Portable adjustable large-torque dismounting device

Abstract

The invention belongs to the field of flight test system assembly, and discloses a portable adjustable large-torque dismounting device which comprises a bottom plate, a screwing handle and a fixed connecting assembly, and positioning holes are formed in two side plate bodies of the bottom plate; a connecting column is arranged at one end of the screwing handle; the connecting columns are perpendicular to the screwing handles and are assembled in the corresponding positioning holes, so that the screwing handles are parallel to the bottom plate and are fixed on a rotating plane around the central axes of the positioning holes; the connecting column can move by a preset distance in the direction away from the bottom plate along the positioning hole, so that the screwing handle can rotate around the center axis of the positioning hole. A plurality of fixing through grooves are formed in the middle of the bottom plate, and the fixing connecting assemblies are arranged in the corresponding fixing through grooves in a penetrating mode and fixed at any position. According to the dismounting device, reliable dismounting of thread equipment with different diameters can be achieved, the screwing handle of the dismounting device can be folded inwards, and carrying is convenient.

Description

Technical Field

[0001] The present application belongs to the technical field of flight test system assembly, and more specifically, to a portable adjustable high-torque disassembly device. Background Art

[0002] As an important part of the flight test system, in order to ensure that the internal printed circuit board can work normally after being impacted, the connection strength between the cover and the stand-alone body must be considered when designing the external structure. Compared with the commonly used method of fixing the cover to the stand-alone body with standard screws, by setting external threads on the circumference of the side wall of the cover, and setting internal threads at the position where the stand-alone equipment installs the cover, and connecting the external threads with the internal threads, the installation of the entire cover can be more reliable, and the installation location has better impact resistance. However, in the actual disassembly and assembly process, since the diameters of the external threads and the internal threads are based on the size of the cover, the diameters are generally very large and the weight is also heavy, so the manual installation of the cover is poor in operability and easy to cause matching errors. As a result, it is difficult to achieve reliable installation of the threaded connection between the cover and the stand-alone equipment, and installation jams and inadequate matching often occur.

[0003] Moreover, covers of different sizes are usually provided with threaded holes at different positions to assist external disassembly devices in disassembling and assembling the covers. Existing disassembly and assembly tools cannot adjust the fixed connection position to achieve the disassembly and assembly of covers of different diameters. Moreover, most disassembly and assembly tools have poor flexibility and are difficult to adjust the torque. When encountering a large-diameter cover, the torque is difficult to meet the disassembly and assembly requirements, and may also cause surface damage to parts to a certain extent. In addition, conventional high-torque disassembly and assembly tools are difficult to carry and difficult to adapt to the disassembly and assembly of covers of different sizes on different stand-alone equipment, and their use scenarios are limited. Therefore, there is a need for an adjustable high-torque portable disassembly device that can protect parts while saving time and effort to assemble large-diameter threaded covers. Summary of the invention

[0004] In view of the defects of the prior art, the purpose of the present application is to provide a portable adjustable large torque disassembly device, which aims to solve the problem of difficulty in assembly and disassembly of large diameter threads when assembling the upper cover of a single device.

[0005] To achieve the above-mentioned purpose, the present application provides a portable adjustable large-torque disassembly device, including: a base plate, a screwing handle and a fixed connection assembly, wherein positioning holes are provided on the two side plates of the base plate; a connecting column is provided at one end of the screwing handle, and the connecting column is perpendicular to the screwing handle and is assembled in the corresponding positioning hole, so that the screwing handle is parallel to the base plate and fixed; the connecting column can move a preset distance along the positioning hole in the direction away from the base plate, so that the screwing handle can rotate around the central axis of the positioning hole; a plurality of fixed through grooves are opened in the middle of the base plate, and the fixed connection assembly is passed through the corresponding fixed through grooves and fixed at any position.

[0006] Through the above technical scheme conceived by the present application, compared with the prior art, since the screw handle of the disassembly device can be rotated relative to the base plate to be expanded or retracted, the disassembly device can be expanded or retracted, which is convenient for carrying; and the fixed connection component can change its position arbitrarily in the fixed through groove of the base plate, so that the disassembly device can be applied to the disassembly and assembly scenarios of external cover bodies of any diameter.

[0007] Furthermore, the bottom plate includes a rotating plate body, a connecting plate body and a second plate body, the opposite ends of the rotating plate body and the second plate body are respectively provided with first pin holes, the two ends of the connecting plate body are provided with second pin holes, the first pin holes are matched with the corresponding second pin holes and connected by a pin shaft, so that the rotating plate body and the second plate body are turned and folded in opposite directions within a range of 90 degrees. The purpose of this setting is to make the disassembly device realize a stable flat plate structure when unfolded, and a smaller volume after folding for easy carrying.

[0008] Furthermore, the width of the two ends of the bottom plate is greater than the width of the middle thereof. The purpose of this arrangement is to save processing costs, reduce the volume of the disassembly device, and reduce its weight.

[0009] Furthermore, the plurality of fixing through grooves are arranged radially from the center of the bottom plate to the periphery. The purpose of this arrangement is to enable the plurality of bolts to be arranged on circular tracks of different diameters to adapt to threaded holes on the external cover body of different diameters.

[0010] Furthermore, the positioning hole is a polygonal prism hole, the connecting column includes a coaxial polygonal prism and a cylindrical column connected at the ends, the polygonal prism is connected to the end of the screwing handle, and its outer diameter matches the inner diameter of the polygonal prism hole, and the outer diameter of the cylindrical column is smaller than the inner diameter of the polygonal prism hole. The purpose of this arrangement is to enable the screwing handle to achieve the movable and fixed functions on the rotating plane by simply moving up and down.

[0011] Furthermore, the screwing handle further comprises a limiting nut, a threaded hole is provided inside the end of the cylinder away from the polygonal column, and the limiting nut is aligned with the threaded hole and connected by bolts to limit the connecting column in the positioning hole. The purpose of this setting is to prevent the screwing handle from being separated from the bottom plate and to avoid loss.

[0012] Furthermore, the screwing handle includes a first rod body and a second rod body, wherein a telescopic hole is provided inside the first rod body; the second rod body is provided with the connecting column at one end, and the other end thereof is inserted into the telescopic hole, and the second rod body can be fixed at any depth in the telescopic hole. The purpose of this setting is to adjust the length of the screwing handle and the rotation torque to cope with the disassembly and assembly scenarios of covers of different diameters.

[0013] Furthermore, the screwing handle further comprises an adjusting sleeve, a long buckle and an elastic member, wherein:

[0014] The outer wall of the first rod body is provided with two circles of first convex rings on the circumference, and a slot is provided on the inner wall of the sleeve end along the axial direction; the bottom surface of the slot is provided with pairs of first through holes arranged in a row along the axial direction; a slide bar is passed through the first through hole, and the length of the slide bar is greater than the depth of the first through hole; the long strip buckle is assembled in the slot, and its two ends are respectively aligned with the corresponding first through holes, and a circle of second convex rings is provided in the middle, and a third protrusion is also provided on the end of the long strip buckle close to the connecting column; the second convex ring is connected to the second rod body, and the long strip buckle can be turned around the connection between the two as the center;

[0015] A plurality of length adjustment grooves are provided on the circumference of the outer wall of the second rod body; the adjustment sleeve is sleeved on the outer body of the first rod body, one end of which is limited between two circles of first convex rings, and a first limit seat is provided on the circumference of the inner wall of the other end, and a pair of trapezoidal grooves are provided on the circumference of the middle inner wall; the inclined surfaces of the pair of trapezoidal grooves are arranged opposite to each other, and the minimum distance between the inclined surfaces is the same as the length of the long strip buckle; the elastic member is sleeved on the second rod body and located in the adjustment sleeve, one end of which abuts on the first limit seat, and the other end abuts on the sleeve end of the first rod body;

[0016] When the adjusting sleeve moves axially, the inclined surface of the trapezoidal groove can push the sliding rod on the corresponding side to slide radially, thereby pushing the long buckle to flip until the third protrusion is locked in the length adjustment groove and fixed. The purpose of this setting is to realize the easy extension and contraction of the screw handle through the ingenious cooperation of various parts, and provide reliable connection and fixation between the two rod bodies.

[0017] Furthermore, the slide bar is an oblique cylinder, and the oblique surface end of the oblique cylinder is located at one end close to the adjusting sleeve and can slide in cooperation with the oblique surface of the corresponding side trapezoidal groove. The purpose of this arrangement is to make the cooperation between the slide bar and the adjusting sleeve more reliable.

[0018] Furthermore, the fixed connection assembly includes a bolt and a pair of nuts, wherein the bolt is inserted into the fixed through slot, and the pair of nuts are respectively screwed on both ends of the bolt to limit it in the fixed through slot. The purpose of this arrangement is to achieve high adaptability and reliable connection between the entire disassembly device and the external cover to be disassembled through a simple connection method.

[0019] Furthermore, the fixed connection assembly also includes a suction cup, which is installed at the end of the nut away from the screwing handle. The design purpose is to solve the connection problem between the disassembly device and the cover to be disassembled when there is no connection threaded hole on the device to be disassembled. The suction cup is used to absorb and fix on the external device to be disassembled to achieve a reliable connection.

[0020] In general, the above technical solutions conceived by this application have the following technical advantages compared with the prior art:

[0021] 1. When the connecting column on the screwing handle designed in the present application is fully assembled in the positioning hole, the screwing handle is parallel to the base plate and fixed, so that the base plate is rotated by screwing the handle on the rotating plane, thereby driving the external threaded device to rotate; when the connecting column moves a preset distance outside the positioning hole, that is, partially disengaged, the screwing handle can be rotated around the central axis of the positioning hole to the inside or outside of the base plate, thereby realizing the function of shrinking or expanding the disassembly device; the fixed connection assembly of the present application can be moved freely in the fixed through groove on the base plate to match the threaded holes on the cover body of different diameters, so as to realize labor-saving disassembly and assembly of threaded structures of different diameters; after use, the screwing handle can be lifted up and rotated to retract the screwing handle, thereby reducing storage space and being easy to carry.

[0022] 2. The bottom plate of the disassembly device of the present application is composed of a rotating plate body, a connecting plate body and a second plate body connected in sequence, and the connection points are all fixed pin connections, so that the size of the bottom plate can be enlarged or reduced by folding the plate body, which is easy to carry, and the flipping angle is limited to ensure the structural stability of the entire bottom plate after unfolding; in addition, the pin connection of the plate bodies can also avoid the loss of parts such as the plate body during subsequent use.

[0023] 3. The screwing handle of the present application realizes the extension function of the screwing end through two telescopic rods that are integrally mounted, thereby increasing the rotational torque of the disassembly device, making it more labor-saving when disassembling large-diameter threaded stand-alone equipment.

[0024] 4. The bolts in the fixed connection assembly of the present application are limited to any position in the fixed through groove on the base plate by nuts, and one end of the bolt can be connected with the threaded hole on the external cover body to be removed of different diameters. The base plate is driven to rotate around its normal by the screwing handles symmetrically arranged at both ends of the base plate in the same direction, and then the fixed connection assembly drives the cover body to be removed and other equipment to rotate, thereby realizing labor-saving disassembly of covers of different diameters. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a schematic diagram of the structure of a portable adjustable large torque disassembly device provided in Example 1 of the present application;

[0026] Figure 2It is a schematic diagram of the structure explosion of the portable adjustable large torque disassembly device provided in Example 1 of the present application;

[0027] Figure 3 This is a schematic diagram of the structure of the twist handle provided in Example 1 of the present application;

[0028] Figure 4 It is a schematic diagram of the structure of a portable adjustable large torque disassembly device provided in Example 2 of the present application;

[0029] Figure 5 It is a partial structural schematic diagram of a portable adjustable large torque disassembly device provided in Example 2 of the present application;

[0030] Figure 6 This is a schematic diagram of the structure of the portable adjustable large torque disassembly device provided in Example 2 of the present application after folding;

[0031] Figure 7 is a schematic diagram of the structure of the screw handle provided in Example 3 of the present application when it is retracted to the shortest position;

[0032] Figure 8 This is a schematic diagram of the exploded structure of the twist handle provided in Example 3 of the present application;

[0033] Fig. 9 This is a schematic diagram of the long buckle structure provided in Example 3 of the present application;

[0034] Fig.10 is a schematic diagram of the first rod structure provided in Example 3;

[0035] Fig.11 is a schematic diagram of the active state structure of the twisting handle provided in Example 3;

[0036] Fig.12 This is a schematic diagram of the fixed state structure of the screw handle provided in Example 3.

[0037] In all the drawings, the same reference numerals are used to represent the same elements or structures, wherein: 1-bottom plate, 11-positioning hole, 12-fixing through groove, 13-first plate body, 14-connecting plate body, 141-second pin hole, 142-first flange, 142a-arc groove, 15-second plate body, 16-first pin hole, 17-second flange; 2-screw handle, 21-connecting column, 211-polygonal column, 212-cylinder, 2 12a-threaded hole, 22-limiting nut, 23-first rod body, 231-telescopic hole, 232-slot, 233-first convex ring, 234-first through hole, 235-slide rod, 24-second rod body, 241-length adjustment groove, 25-adjusting sleeve, 251-first limiting seat, 252-trapezoidal groove, 26-long buckle, 261-third protrusion, 27-elastic member; 3-bolt, 4-nut, 5-suction cup. DETAILED DESCRIPTION

[0038] In order to make the purpose, technical solution and advantages of the present application more clearly understood, the present application is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application and are not used to limit the present application.

[0039] Example 1

[0040] This embodiment provides a portable adjustable large torque disassembly device, such as Figure 1-2 As shown, the disassembly device includes: a base plate 1, a screwing handle 2 and a fixed connection component, and positioning holes 11 are arranged on the periphery of both sides of the base plate 1; a connecting column 21 is arranged at one end of the screwing handle 2, and the central axis of the connecting column 21 is perpendicular to the screwing handle, and the connecting column 21 is assembled in the corresponding positioning hole 11, so that the screwing handle 2 is parallel to the base plate 1 and fixed; the connecting column 21 can move a preset distance along the positioning hole 11 in the direction away from the base plate 1, so that the screwing handle 2 can rotate around the central axis of the positioning hole 11.

[0041] Specifically, the connecting column 21 is assembled in the corresponding positioning hole 11 and fixed on the rotation plane of the central axis of the positioning hole 11, that is, the screwing handle 2 cannot rotate around the central axis of the positioning hole 11; when the connecting column 21 moves from the positioning hole 11 in the direction away from the bottom plate 1 by a preset distance, even if the connecting column 21 is partially disengaged from the positioning hole 11, the screwing handle 2 can rotate around the central axis of the positioning hole 11, so as to realize the retraction and deployment of the screwing handle 2. When the connecting column 21 is rotated to make the movable ends of the screwing handle 2 both outside the bottom plate 1, it is completely assembled in the positioning hole, so that the screwing handle 2 can be fixed on the rotation plane around the central axis of the positioning hole 11. At this time, a pair of screwing handles 2 and the bottom plate 1 form a large torque disassembly device, which is in a working state and can be used to connect with the external cover to be disassembled and assembled and screwed for disassembly.

[0042] The middle of the bottom plate 1 is provided with a plurality of fixed through slots 12, and the fixed connection components can be inserted into the corresponding fixed through slots 12 and fixed at any position to connect with the external equipment to be disassembled and assembled of the corresponding size. Specifically, the plurality of fixed through slots 12 are arranged radially from the center of the bottom plate to the surroundings, and the two fixed through slots 12 are not connected to each other, so as to avoid the position of the fixed connection components being uncontrollable in the active state.

[0043] In this embodiment, the widths of the two ends of the bottom plate 1 are greater than the width of the middle thereof, and the edges of the circumferential side walls of the bottom plate 1 have no sharp corners, and the circumferential edges have a smooth transition.

[0044] In this embodiment, the positioning hole 11 is a polygonal hole, and the connecting column 21 includes a polygonal column 211 and a cylinder 212 that are coaxial and connected at the ends. The polygonal column 211 is connected to the end of the screw handle 2, and its outer diameter matches the inner diameter of the polygonal hole, and the outer diameter of the cylinder 212 is smaller than the inner diameter of the polygonal hole.

[0045] Specifically, the positioning hole 11 in this embodiment is a quadrangular prism hole, the corresponding polygonal prism 211 is a quadrangular prism, the diameter of the cylinder 212 is equal to the width of the bottom surface of the quadrangular prism, the polygonal prism 211 is directly connected to the end of the screw handle, and the two are perpendicular to each other, and the cylinder 212 is connected to the polygonal prism 211. When the polygonal prism 211 is pulled out of the quadrangular prism hole upward, the screw handle can rotate around the central axis of the quadrangular prism hole. In other embodiments, the polygonal prism 211 can also be a triangular prism, a pentagonal prism, a hexagonal prism, etc., and the corresponding positioning hole 11 also corresponds to the shape of the polygonal prism 211.

[0046] In this embodiment, the screwing handle 2 also includes a limiting nut 22, the outer diameter of the limiting nut 22 is larger than the diameter of the positioning hole 11, and a threaded hole 212a is provided inside the end of the cylinder 212 away from the polygonal column 211. The limiting nut 22 is aligned with the threaded hole 212a and connected by bolts to limit the connecting column 21 in the positioning hole 11.

[0047] In this embodiment, Figure 3 As shown, the screwing handle 2 includes a first rod body 23 and a second rod body 24, and a telescopic hole 231 is opened inside the first rod body 23; a connecting column 21 is provided at one end of the second rod body 24, and the other end thereof is passed through the telescopic hole 231, and the second rod body 24 can be fixed at any depth in the telescopic hole 231.

[0048] Specifically, the telescopic hole 231 is a through hole with an internal thread on the inner wall, and the second rod body 24 is provided with an external thread on the outer wall. The other end of the second rod body 24 is passed through the telescopic hole 231, so that the internal thread and the external thread are matched and connected, so that the connection length between the first rod body 23 and the second rod body 24 can be adjusted arbitrarily.

[0049] In this embodiment, the fixed connection assembly includes a bolt 3 and a pair of nuts 4. The outer diameter of the bolt 3 is smaller than the width of the fixed through slot 12, and it can be inserted into the fixed through slot 12; the nuts 4 are respectively screwed on both ends of the bolt 3 to limit the bolt 3 in the fixed through slot 12.

[0050] Specifically, the length of the bolt 3 is much greater than the thickness of the plate 1, so that it has sufficient length to be tightly connected to an external cover to be removed and other equipment, and when the two nuts 4 are screwed close to each other, the bolt 3 can be fixed, and when the two nuts 4 are screwed away from each other, the bolt 3 can slide in the fixed groove 12.

[0051] In this embodiment, the fixed connection component also includes a suction cup 5, which is installed at the end of the nut 4 away from the screw handle 2, and is used to be adsorbed and fixed on the external device to be disassembled, so as to adapt to the situation when there is no connecting threaded hole on the external device such as the cover to be disassembled.

[0052] Example 2

[0053] The difference between this embodiment and embodiment 1 is that Figure 4 and 5 As shown, in this embodiment, the base plate 1 includes a first plate body 13, a connecting plate body 14 and a second plate body 15. The first plate body 13 and the second plate body 15 are respectively provided with first pin holes 16 at opposite ends, and the connecting plate body 14 is provided with second pin holes 141 at both end portions. The first pin holes 16 and the corresponding second pin holes 141 are connected by pin shafts, so that the first plate body 13 and the second plate body 15 are flipped and folded relative to the connecting plate body 14 in opposite directions within a range of 90°.

[0054] Specifically, the first plate 11 and the second plate 15 have the same shape, thickness, and material, the widths of the interconnected ends of the first plate 11, the second plate 15, and the connecting plate 14 are the same, and the first plate 13 and the second plate 15 can be flipped and folded in opposite directions around the pin axis.

[0055] More specifically, Figure 6 As shown, a first flange 142 is provided in the middle of both ends of the connecting plate body 14, and the edge of the first flange 142 is an arc surface, and a second pin hole 141 is opened inside each first flange 142. The side wall of the connecting plate body 14 located on the same side of each first flange 142 is an arc groove 142a, and second flanges 17 are provided on both sides of the ends of the first plate body 11 and the second plate body 15. The edge of the end of the second flange 17 is an arc surface, and a first pin hole 16 is opened therein, and the end of the plate body between the two second flanges 17 also presents an arc groove structure identical to the arc groove 142a; during assembly, the first flange 142 is inserted between the two second flanges 17 for assembly, so that the first pin hole 16 and the second pin hole 141 are aligned and matched, and then the pin shaft is inserted to achieve connection; the circumferential angle of the aforementioned arc groove 142a is set to 90°, so that after each flange is assembled with the corresponding arc groove and rotated to 90° therein, the plate body where each flange is located will contact with the end of the arc groove to limit further rotation.

[0056] In this embodiment, the aforementioned positioning hole 11 is a cylindrical hole, and a positioning groove is axially opened on the upper half of its hole wall. A protrusion is provided on the part of the column of the connecting column 21 close to the end of the screwing handle. When the connecting column 21 is completely located in the positioning hole, the protrusion can be snapped into the positioning groove to fix the connecting column 21 on the rotation plane of its central axis; when the connecting column 21 partially disengages from the positioning hole 11, the protrusion is also disconnected from the positioning groove, so that the lower half of the connecting column 21 can rotate around its central axis in the positioning hole 11, thereby rotating the screwing handle.

[0057] Example 3

[0058] The difference between this embodiment and embodiments 1 and 2 is that the telescopic structure and telescopic principle of the screw handle 2 are different. Figure 7-10 As shown, in this embodiment, the screwing handle 2 further includes an adjusting sleeve 25 , a long buckle 26 and an elastic member 27 .

[0059] The inner wall of the through hole inside the first rod body 23 is not threaded, and two circles of first convex rings 233 are arranged on the circumference of the outer wall thereof, and a clamping groove 232 is arranged axially on the inner wall of the telescopic hole 231 of the sleeve end thereof; pairs of first through holes 234 arranged in a row along the axial direction are arranged on the bottom surface of the clamping groove 232; a sliding rod 235 is passed through the first through hole 234, and the length of the sliding rod 235 is greater than the depth of the first through hole 234; the long strip buckle 26 is assembled in the clamping groove 232, and its two ends are respectively aligned with the corresponding first through holes 234, and a circle of second convex rings 262 is arranged in the middle thereof, close to the connecting rod 234. A third protrusion 261 is provided on one end of the connecting column 21; the second protrusion ring 262 is connected to the second rod body 24, such as connecting the second protrusion rings 262 on a plurality of long strip buckles 26 arranged in an annular shape in sequence through a connecting rope or a similar structure, so that the annular array formed by the long strip buckles 26 is tightly bound to the second rod body 24, even if each second protrusion ring 262 is tightly abutted against the second rod body 24, the position of the long strip buckle 26 relative to the second rod body 24 is fixed and will not move in the slot, but it can still be flipped relative to the second rod body 24 in a lever structure. Specifically, the second protrusion ring 262 can make the long strip buckle 26 flip in the slot 262 in a seesaw-like manner with the second protrusion ring 262 as a fulcrum; and the distance between the pair of first protrusion rings 233 is greater than the distance between the pair of first through holes 234.

[0060] A plurality of length adjustment grooves 241 are provided on the circumference of the outer wall of the second rod body 24; the adjustment sleeve 25 is sleeved on the outside of the first rod body 23, one end of which is limited between the two circles of first convex rings 233 mentioned above, and a first limit seat 251 is provided on the circumference of the inner wall of the other end, and a pair of trapezoidal grooves 252 are provided on the circumference of the middle inner wall; the inclined surfaces of the pair of trapezoidal grooves 252 are arranged opposite to each other, and the minimum distance between the inclined surfaces, that is, the distance between the notches of the trapezoidal grooves is the same as the length of the long strip buckle 26; the elastic member 27 is sleeved on the second rod body 24 and located in the adjustment sleeve 25, one end of which abuts on the first limit seat 251, and the other end abuts on the sleeve end of the first rod body 23.

[0061] Specifically, the elastic member 27 is a stiffness spring, which is always in an extruded state and can provide a certain tensioning force; the length adjustment groove 241 is an annular groove with a V-shaped bottom surface, and the third protrusion 261 is a wedge-shaped protrusion that cooperates with the V-shaped groove.

[0062] like Figure 11-12 As shown, when the aforementioned adjusting sleeve 25 moves axially toward the side away from the connecting column 21, the elastic member 27 is squeezed and deformed and generates elastic force, and the inclined surface of a trapezoidal groove 252 away from the connecting column 21 can push the sliding rod 235 on the corresponding side to slide radially inward, thereby pushing the corresponding side of the long strip buckle 26 to flip radially inward, and then driving the other end of the long strip buckle 26 to flip radially outward, and the third protrusion 234 at this end disengages from the length adjustment groove 241 previously inserted therein. At this time, the second rod body 24 can be pulled to adjust the connection length between it and the first rod body 41, thereby changing the length of the screwing handle.

[0063] When the length of the screwing handle is adjusted to a preset length, the adjusting sleeve 25 can be moved axially toward the side close to the connecting column 21, and the inclined surface of a trapezoidal groove close to the connecting column 21 can push the slide rod 235 on the corresponding side to slide radially inward, thereby pushing the corresponding side of the long strip buckle 26 to flip radially inward, and making the third protrusion 234 at this end snap into the length adjustment groove 241 for fixation; the other end of the long strip buckle 26 away from the connecting column 21 pushes the corresponding slide rod 235 to slide radially outward and gradually enter the corresponding trapezoidal groove 252.

[0064] In this embodiment, the slide bar 235 is an oblique cylinder, and the oblique surface end of the oblique cylinder is located at one end close to the adjustment sleeve 25 and can slide in cooperation with the oblique surface of the corresponding side trapezoidal groove 252 .

[0065] It should be understood that expressions such as "include" and "may include" used in this application indicate the existence of the disclosed functions, operations or constituent elements, and do not limit one or more additional functions, operations and constituent elements. In this application, terms such as "include" and / or "have" may be interpreted as indicating specific characteristics, numbers, operations, constituent elements, components or combinations thereof, but may not be interpreted as excluding the existence or possibility of adding one or more other characteristics, numbers, operations, constituent elements, components or combinations thereof.

[0066] It should be understood that the terms "center", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present application.

[0067] In addition, the terms "first" and "second" are used for descriptive purposes only and should not be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the features. In the description of this application, the meaning of "plurality" is two or more, unless otherwise clearly and specifically defined.

[0068] In this application, unless otherwise clearly specified and limited, the terms "installed", "connected", "connected", "fixed" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0069] It will be easily understood by those skilled in the art that the above description is only a preferred embodiment of the present application and is not intended to limit the present application. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present application shall be included in the scope of protection of the present application.

Claims

1. A portable adjustable high torque disassembly device, characterized in that: include: A base plate (1), a screwing handle (2) and a fixed connection component, wherein positioning holes (11) are arranged on the two side plates of the base plate (1); a connecting column (21) is arranged at one end of the screwing handle (2); the connecting column (21) is perpendicular to the screwing handle (2) and is assembled in the corresponding positioning hole (11) so that the screwing handle (2) is parallel to the base plate (1) and fixed; the connecting column (21) can move a preset distance along the positioning hole (11) in a direction away from the base plate (1) so that the screwing handle (2) can rotate around the central axis of the positioning hole (11); a plurality of fixed through grooves (12) are arranged in the middle of the base plate (1), and the fixed connection component is inserted into the corresponding fixed through grooves (12) and fixed at any position.

2. A portable adjustable high torque disassembly device as claimed in claim 1, characterized in that: The bottom plate (1) comprises a first plate body (13), a connecting plate body (14) and a second plate body (15); first pin holes (16) are respectively arranged at opposite ends of the first plate body (13) and the second plate body (15); second pin holes (141) are arranged at both end portions of the connecting plate body (14); the first pin holes (16) are matched with the corresponding second pin holes (141) and connected by a pin shaft, so that the first plate body (13) and the second plate body (15) can be turned over and folded in opposite directions within a range of 90 degrees.

3. A portable adjustable high torque disassembly device as claimed in claim 1, characterized in that: The width of the two ends of the bottom plate (1) is greater than the width of the middle thereof; preferably, the plurality of fixed through grooves (12) are arranged in a radial pattern from the center of the bottom plate (1) to the surrounding areas.

4. A portable adjustable high torque disassembly device as claimed in claim 1, characterized in that: The positioning hole (11) is a polygonal column-shaped hole, and the connecting column (21) comprises a coaxial polygonal column (211) and a cylinder (212) whose ends are connected. The polygonal column (211) is connected to the end of the screw handle (2), and its outer diameter matches the inner diameter of the polygonal column-shaped hole, and the outer diameter of the cylinder (212) is smaller than the inner diameter of the polygonal column-shaped hole.

5. A portable adjustable high torque disassembly device as claimed in claim 4, characterized in that: The screwing handle (2) further comprises a limiting nut (22); a threaded hole (212a) is provided inside one end of the cylinder (212) away from the polygonal column (211); the limiting nut (22) and the threaded hole (212a) are aligned and matched and then connected by bolts to limit the connection column (21) in the positioning hole (11).

6. A portable adjustable high torque disassembly device as claimed in claim 1, characterized in that: The screwing handle (2) comprises a first rod body (23) and a second rod body (24); a telescopic hole (231) is provided inside the first rod body (23); the connecting column (21) is provided at one end of the second rod body (24), and the other end thereof is passed through the telescopic hole (231); and the second rod body (24) can be fixed at any depth in the telescopic hole (231).

7. A portable adjustable high torque disassembly device as claimed in claim 6, characterized in that: The screwing handle (2) further comprises an adjusting sleeve (25), a long buckle (26) and an elastic member (27), wherein: The outer wall of the first rod body (23) is provided with two circles of first convex rings (233) on the circumference, and the inner wall of the sleeve end is provided with a groove (232) along the axial direction; the bottom surface of the groove (232) is provided with pairs of first through holes (234) arranged in a row along the axial direction; a sliding rod (235) is passed through the first through hole (234), and the length of the sliding rod (235) is greater than the depth of the first through hole (234); the long strip buckle (26) is assembled in the groove (232), and its two ends are respectively aligned with the corresponding first through holes (234), and a circle of second convex rings (262) is provided in the middle, and a third convex block (261) is also provided on one end of the long strip buckle (26) close to the connecting column (21); the second convex ring (262) is connected to the second rod body (24), and the long strip buckle (26) can be turned around the connection between the two as the center; The outer wall of the second rod body (24) is provided with a plurality of length adjustment grooves (241) on its circumference; the adjustment sleeve (25) is sleeved outside the first rod body (23), one end of which is limited between two circles of first convex rings (233), and the other end is provided with a first limit seat (251) on its circumference, and a pair of trapezoidal grooves (252) are provided on the circumference of the inner wall of the middle part; the inclined surfaces of the pair of trapezoidal grooves (252) are arranged opposite to each other, and the minimum distance between the inclined surfaces is the same as the length of the long strip buckle (26); the elastic member (27) is sleeved on the second rod body (24) and located in the adjustment sleeve (25), one end of which abuts against the first limit seat (251), and the other end abuts against the sleeve end of the first rod body (23); When the adjusting sleeve (25) moves axially, the inclined surface of the trapezoidal groove (252) can push the sliding rod (235) on the corresponding side to slide radially, thereby pushing the long strip buckle (26) to flip until the third protrusion (261) is inserted into the length adjustment groove (241) and fixed.

8. A portable adjustable high torque disassembly device as claimed in claim 7, characterized in that: The slide bar (235) is an oblique cylinder, and the oblique surface end of the oblique cylinder is located at one end close to the adjustment sleeve (25), and can slide in cooperation with the oblique surface of the corresponding side trapezoidal groove (252).

9. A portable adjustable high torque disassembly device as claimed in claim 1, characterized in that: The fixed connection assembly comprises a bolt (3) and a pair of nuts (4); the bolt (3) is inserted into a fixed through slot (12); and the pair of nuts (4) are respectively screwed onto two ends of the bolt (3) to restrict the bolt in the fixed through slot (12).

10. A portable adjustable high torque disassembly device as claimed in claim 9, characterized in that: The fixed connection assembly further comprises a suction cup (5), and the suction cup (5) is mounted on an end of the nut (4) facing away from the screwing handle (2).

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