A portable level stand with full adjustment

Abstract

The present invention discloses a fully adjustable portable level stand, comprising a top plate, an optical axis, a bottom adjustment member, and a level mounting base. The top plate is located at one end of the optical axis, the bottom adjustment member is located at the other end of the optical axis, the optical axis passes through the level mounting base, the top plate, the bottom adjustment member, and the level mounting base are all detachably connected to the optical axis, the optical axis is formed by a plurality of connecting rods interconnected, locking sliders are provided on the upper and lower sides of the level mounting base, the locking sliders are both located on the optical axis, the top plate is provided with a through hole for screw fixing, and a slot for hanging the level stand. The present invention adopts the above-mentioned fully adjustable portable level stand, which is small in size and convenient to carry, detachable for easy storage, and can be fully adjusted in angle. There is no need to readjust the position when moving the level stand, and the level stand is easy to use.

Description

Technical Field

[0001] The invention relates to the technical field of decoration tools, in particular to an all-round adjustable portable level stand. Background Art

[0002] A spirit level is a commonly used measuring tool for measuring small angles. It is usually used to measure inclination angles, flatness and straightness relative to the horizontal position, as well as the horizontal and vertical positions of equipment installations. It is used in industries such as machinery, instrument manufacturing, construction and interior decoration, especially in the interior decoration industry. Carpenters usually use spirit levels to level the ceiling when hanging it, making the ceiling neat and beautiful. Carpenters use spirit levels to find the horizontal position of the ceiling and install ceiling brackets at the position where the spirit level is leveled. There is no need to draw lines on the interior walls for leveling. It is easy to use and efficient.

[0003] To adapt a spirit level to various environments during interior decoration, it is typically mounted on a level stand, which allows for adjustment of the level's position. Existing level stands are bulky, unwieldy, and difficult to carry. They can hinder on-site construction when placed at the worksite. Their length can easily damage the level's accuracy in windy conditions or during collisions. Relocating the level requires re-adjustment, which is time-consuming and labor-intensive. Furthermore, the level cannot be adjusted for a variety of angles, including vertical height, left-right swing angle, and pitch angle. Summary of the Invention

[0004] The purpose of the present invention is to provide a portable level stand with full range of adjustment, which is small in size and convenient to carry, can be disassembled for easy storage, can be fully adjusted in angle, does not need to be readjusted when moving to a new location, and is easy to use.

[0005] To achieve the above-mentioned object, the present invention provides a fully adjustable portable level stand, comprising a top plate, an optical axis, a bottom adjustment member and a level mounting seat, wherein the top plate is located at one end of the optical axis, the bottom adjustment member is located at the other end of the optical axis, the optical axis passes through the level mounting seat, the top plate, the bottom adjustment member and the level mounting seat are all detachably connected to the optical axis, the optical axis is formed by interconnecting a plurality of connecting rods, locking sliders are provided on the upper and lower sides of the level mounting seat, the locking sliders are both located on the optical axis, the top plate is provided with a through hole for screw fixing and a slot for hanging the level stand;

[0006] The level mounting seat includes a mounting sleeve, a baffle, a slider, an extension arm and a support seat. The mounting sleeve is mounted on the optical axis. A linear bearing is provided inside the mounting sleeve. The mounting sleeve is mounted on the optical axis through the linear bearing. An elastic retaining ring is provided between the linear bearing and the mounting sleeve. A bolt hole is provided on the side of the mounting sleeve for fixing with a bolt.

[0007] Preferably, the baffle is located on one side of the mounting sleeve and is integrally arranged with the mounting sleeve, and the upper and lower ends of the baffle are provided with an arc-shaped protrusion perpendicular to the baffle, and the center of the arc-shaped protrusion is provided with two bolt holes, and the baffle is provided with a slide groove along the axial direction, and the slider is located in the slide groove, and the baffle is provided with a screw rod 1 for fixing the slider, and the screw rod 1 passes through the slider and the baffle, and the side of the slider close to the slide groove is provided with a through hole 1 for the screw rod 1 to pass through, and the bolt hole 2 cooperates with the screw rod 1, and one end of the screw rod is provided with a limiting ring, and the other end is provided with a nut 1.

[0008] Preferably, the side of the slider away from the slide groove is provided with a groove corresponding to the extension arm, and the extension arm is fixed in the groove by bolt 2, and both side surfaces of the groove are provided with bolt hole 3 for bolt 2 to fix the extension arm, and the end of the extension arm located in the groove is provided with through hole 2, and the end of the extension arm located in the groove is designed with an arc, and the bottom of the groove is provided with screw rod 2 passing through through hole 2, and one end of screw rod 2 is provided with nut 2, and the middle of the extension arm is provided with a strip through groove, and the support seat is located in the strip through groove, and the end of the extension arm away from the slider is provided with screw rod 3, and screw rod 3 passes through the strip through groove and the support seat, and the side wall of the strip through groove is provided with through hole 2 corresponding to screw rod 3, and one end of screw rod 3 is provided with nut 3.

[0009] Preferably, the support seat is cylindrical, including an upper cylinder and a lower cylinder, the upper part of the upper cylinder is provided with a fixing part for fixing the spirit level, the bottom of the upper cylinder is provided with a plug-in part, the lower cylinder is provided with a slot corresponding to the plug-in part, the lower cylinder is provided with a slot hole for the groove walls on both sides of the strip-shaped through groove to pass through, and four bolt holes for the three bolts to pass through are symmetrically provided on the side surface of the lower cylinder, the upper part of the plug-in part is provided with three through holes corresponding to the four bolt holes, and the bottom is provided with four through holes for the three screw rods to pass through.

[0010] Preferably, the top plate includes a horizontal plate and a vertical plate, and the horizontal plate and the vertical plate are both provided with mutually symmetrical through holes, a triangular slot is provided in the middle of the back of the vertical plate, and a raised portion is provided on the front, and a mounting hole corresponding to the optical axis is provided in the center of the raised portion, and the raised portion is integrally formed with the vertical plate.

[0011] Preferably, one end of the connecting rod is provided with a thread, and the other end thereof is provided with a thread groove corresponding to the thread along the axial direction.

[0012] Preferably, the bottom adjustment member is in an inverted L-shape, including a vertical portion and a horizontal portion, the horizontal portion is provided with a strip-shaped slot along the axial direction, the horizontal portion is provided with a mounting hole 2 corresponding to the optical axis, the slot passes through the mounting hole 2, and the mounting hole 2 is located at one end of the slot, the side of the horizontal portion is provided with a bolt hole 5 that passes through the horizontal portion and the slot, the vertical portion is provided with a screw rod 4 that passes through the vertical portion, the end of the screw rod 4 away from the optical axis is provided with a nut 4, and the end close to the optical axis is provided with a washer.

[0013] Preferably, the locking slider includes a fixing ring and a fixing rod, the fixing ring is sleeved on the optical axis, one end of the fixing rod is provided with a thread, and the other end thereof is provided with a nut five, and the side surface of the fixing ring is provided with a threaded through hole corresponding to the thread of the fixing rod.

[0014] Preferably, a battery box is installed on the optical axis, and the battery box is detachably installed on the optical axis. Batteries are installed in the battery box, and the batteries are used to power the level.

[0015] Therefore, the present invention adopts the above-mentioned all-round adjustable portable level stand, which is small in size and easy to carry, can be disassembled for easy storage, can adjust the angle in all directions, does not need to readjust the position when moving to a new location, and is easy to use.

[0016] The technical solution of the present invention is further described in detail below through the accompanying drawings and embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the overall structure of an embodiment of a fully adjustable portable level stand of the present invention;

[0018] Figure 2 It is a schematic diagram of a level mounting base in a fully adjustable portable level stand of the present invention;

[0019] Figure 3 This is a schematic diagram of a bottom adjustment member in a fully adjustable portable level stand according to the present invention;

[0020] Figure 4 It is a schematic diagram of a top plate in a fully adjustable portable level stand of the present invention;

[0021] Figure 5 It is a schematic diagram of the lower cylinder in the omnidirectional adjustable portable level stand of the present invention;

[0022] Figure 6 It is a schematic diagram of the upper cylinder in the omnidirectional adjustable portable level stand of the present invention;

[0023] Figure 7 This is a schematic diagram of a connecting rod in a fully adjustable portable level stand of the present invention;

[0024] Figure 8 It is a schematic diagram of a fixed ring in a fully adjustable portable level stand of the present invention.

[0025] Reference numerals

[0026] 1. Mounting sleeve; 2. Baffle; 3. Arc-shaped convex; 4. Groove; 5. Extension groove; 6. Strip-shaped through groove; 7. Support seat; 8. Vertical part; 9. Horizontal part; 10. Mounting hole 2; 11. Slot; 12. Through hole 1; 13. Horizontal plate; 14. Protrusion; 15. Mounting hole 1; 16. Slot; 17. Vertical plate; 18. Slot; 19. Lower cylinder; 20. Slot; 21. Upper cylinder; 22. Connecting part; 23. Top plate; 24. Optical axis; 25. Level mounting seat; 26. Bottom adjustment part; 27. Screw rod 1; 28. Screw rod 2; 29. Screw rod 3; 30. Bolt 1; 31. Bolt 3; 32. Connecting rod; 33. Screw rod 4; 34. Washer; 35. Limiting ring; 36. Fixing ring. DETAILED DESCRIPTION

[0027] The technical solution of the present invention is further described below with reference to the accompanying drawings and embodiments.

[0028] Unless otherwise defined, the technical or scientific terms used in the present invention shall have the usual meanings understood by persons of ordinary skill in the field to which the present invention belongs. The words "first", "second" and similar terms used in the present invention do not indicate any order, quantity or importance, but are only used to distinguish different components. Words such as "include" or "comprise" mean that the elements or objects preceding the word include the elements or objects listed after the word and their equivalents, without excluding other elements or objects. Words such as "connect" or "connected" are not limited to physical or mechanical connections, but may include electrical connections, whether direct or indirect. "Up", "down", "left", "right" and the like are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may also change accordingly.

[0029] As shown in the figure, a fully adjustable portable level stand includes a top plate 23, an optical axis 24, a bottom adjustment piece 26 and a level mounting seat 25. The top plate 23 can be fixed to the roof or wall. The optical axis 24 supports the top plate 23, the bottom adjustment piece 26, the level mounting seat 25 and other auxiliary parts. The bottom adjustment piece 26 is used to adjust the distance between the optical axis 24 and the wall. The level mounting seat 25 is used to fix the level and adjust the level in all directions, so that the level can be adjusted in the up and down height, left and right swing angle, and front and back pitch angle in the fine-tuning direction, which is convenient to use.

[0030] The top plate 23 is located at one end of the optical axis 24, and the bottom adjustment member 26 is located at the other end of the optical axis 24. The optical axis 24 extends through the level mounting base 25. The top plate 23, the bottom adjustment member 26, and the level mounting base 25 are all detachably connected to the optical axis 24, and the length of the optical axis 24 is adjustable. The optical axis 24 is formed by a plurality of interconnected connecting rods 32. The connecting rods 32 have threads at one end and thread grooves corresponding to the threads at the other end. Adjacent connecting rods 32 are connected together by the threads and thread grooves, and the length of the optical axis 24 can be extended or shortened as needed. If the level bracket is no longer needed, the multiple connecting rods 32 on the optical axis 24 can be removed, and the top plate 23, the bottom adjustment member, and the level mounting base 25 can be detached from the optical axis 24 at the same time, making it convenient to carry and store.

[0031] Level mount 25 is equipped with locking sliders on both its upper and lower sides, both of which are positioned on optical axis 24. The locking sliders comprise a retaining ring 36 and a retaining rod. Retaining ring 36 is fitted onto optical axis 24. The retaining rod has threads on one end and a nut 5 on the other. The side of retaining ring 36 has threaded holes corresponding to the threads on the retaining rod. The locking sliders are used to confirm the position of level mount 25 on optical axis 24. When in use, the level mount is often used on more than one work surface and needs to be moved to multiple work surfaces. Each movement requires adjustment of the level mount.

[0032] When the spirit level is working on the current work surface, adjust the position of the spirit level, the spirit level mounting base 25 is located at a certain position of the optical axis 24, and the locking slider slides up and down along the optical axis 24 to the upper and lower sides close to the spirit level mounting base 25. Through the cooperation of the thread on the fixing rod and the threaded hole on the fixing ring 36, tighten the fixing rod, and the fixing rod fixes the fixing ring 36 on the optical axis 24. The locking slider is locked, and the current position of the spirit level mounting base 25 on the optical axis 24 is remembered. When the spirit level is moved to another work surface and the work is completed and then moved back to the current work surface, directly lock the slider back to its original position to avoid moving back and forth to adjust the position, saving time and effort.

[0033] The top plate 23 is provided with both a through hole 12 for screw fixing and a slot 16 for hanging the level stand. The top plate 23 includes a horizontal plate 13 and a vertical plate 17. Both the horizontal plate 13 and the vertical plate 17 are provided with mutually symmetrical through holes 12. A triangular slot 16 is provided in the middle of the back of the vertical plate 17, and a raised portion 14 is provided on the front. A mounting hole 15 corresponding to the optical axis 24 is provided in the center of the raised portion 14. The raised portion 14 and the vertical plate 17 are integrally formed.

[0034] The top plate 23 can be fixed to the wall or ceiling with screws, or screws or clips can be fixed to the wall or ceiling and then locked in the slots 16 to secure the top plate 23. Using the slots 16 for fastening and disassembly is quick and convenient, while using screws for securement is strong and secure. The method of securing the top plate 23 can be selected based on actual needs. The runway-shaped through holes facilitate screws passing through the top plate 23 and driving them into the wall to secure the top plate 23. The triangular slots 16, which are wide at the bottom and narrow at the top, facilitate the clips to be locked in the slots 16 to secure the top plate.

[0035] Level mounting base 25 includes a mounting sleeve 1, a baffle 2, a slider, an extension arm 5, and a support base 7. Mounting sleeve 1 is mounted on optical axis 24 and internally provided with a linear bearing. Mounting sleeve 1 is mounted on optical axis 24 via the linear bearing. An elastic retaining ring is provided between the linear bearing and mounting sleeve 1 to secure the linear bearing within mounting sleeve 1. A bolt hole 1 is provided on the side of mounting sleeve 1 for securing bolt 1 30. The bolt and bolt hole 1 cooperate to secure mounting sleeve 1 to optical axis 24. Mounting sleeve 1 can slide up and down along optical axis 24 to adjust the height of the level. Level mounting base 25 can move around optical axis 24 via the linear bearing.

[0036] The baffle 2 is located on one side of the mounting sleeve 1 and is integrally arranged with the mounting sleeve 1. The upper and lower ends of the baffle 2 are provided with an arc-shaped protrusion 3 perpendicular to the baffle 2. The center of the arc-shaped protrusion 3 is provided with a bolt hole 2. The baffle 2 is provided with a slide groove along the axial direction. The slider is located in the slide groove. The baffle 2 is provided with a screw rod 27 for fixing the slider. The screw rod 27 passes through the slider and the baffle 2. A through hole 1 for the screw rod 27 to pass through is provided on the side of the slider close to the slide groove. The bolt hole 2 cooperates with the screw rod 27. A limiting ring 35 is provided at one end of the screw rod 27, and a nut 1 is provided at the other end.

[0037] Screw rod 1 27 fixes the slider in the slide groove. Screw rod 1 27 passes through the arc-shaped protrusions 3 on both sides of the baffle 2 and passes through the slider. By turning nut 1, screw rod 1 27 drives the slider to move along the slide groove to fine-tune the upper and lower heights of the level meter on the optical axis 24.

[0038] A groove 4 corresponding to the extension arm 5 is provided on the side of the slider away from the slide slot. The extension arm 5 is fixed in the groove 4 by bolt 2. Bolt holes 3 are provided on both side surfaces of the groove 4 for bolt 2 to fix the extension arm 5. A through hole 2 is provided at one end of the extension arm 5 located in the groove 4. A screw rod 28 passing through the through hole 2 is provided at the bottom of the groove 4, and a nut 2 is provided at one end of the screw rod 28.

[0039] Bolt 2 fixes the extension arm 5 in the groove 4 by cooperating with bolt hole 3. Screw rod 28 passes through the bottom of the groove 4 and through the through hole 2 on the extension arm 5. Tightening nut 2 drives screw rod 28 to rotate. The rotation of screw rod 28 causes the extension arm 5 to move closer to or away from the optical axis 24, thereby driving the level to move closer to or away from the optical axis 24, and adjusting the position of the level from the pitch angle. The extension arm 5 has an arc design at one end located in the groove 4. The arc design makes it easier for the extension arm 5 to move closer to or away from the optical axis 24, reducing friction.

[0040] A strip-shaped through-slot 6 is provided in the middle of the extension arm 5, and a support seat 7 is positioned within this strip-shaped through-slot 6. A screw rod 3 29 is provided at the end of the extension arm 5 away from the slider. Screw rod 3 29 extends through the strip-shaped through-slot 6 and the support seat 7. A second through-hole corresponding to screw rod 3 29 is provided on the sidewall of the strip-shaped through-slot 6. A nut 3 is provided at one end of screw rod 3 29. Screw rod 3 29 passes through the extension arm 5 and the support seat 7. Screw rod 3 29 engages with the second through-hole. Turning the nut 3 rotates screw rod 3 29, driving the support seat 7 to move within the strip-shaped through-slot 6. The distance that the support seat 7 moves back and forth within the strip-shaped through-slot 6 can be adjusted, thereby adjusting the back and forth movement of the level.

[0041] The support seat 7 is cylindrical and includes an upper cylinder 21 and a lower cylinder 19. A fixing piece for fixing the spirit level is provided on the upper part of the upper cylinder 21. The spirit level is fixed above the upper cylinder 21 through the fixing piece. A plug-in portion 22 is provided at the bottom of the upper cylinder 21. A slot 20 corresponding to the plug-in portion 22 is provided on the lower cylinder 19. A slot hole 18 is provided on the lower cylinder 19 for the groove walls on both sides of the strip-shaped through groove 6 to pass through. Bolt holes four for bolts three 31 to pass through are symmetrically provided on the side surface of the lower cylinder 19. A through hole three corresponding to the bolt hole four is provided on the upper part of the plug-in portion 22, and a through hole four for the screw rod three 29 to pass through is provided at the bottom.

[0042] Bolt 31 passes through bolt hole 4 and through hole 3 to secure upper and lower cylinders 19. Turning bolt 31 adjusts the left-right swing angle of support base 7, thereby adjusting the left-right swing angle of the level. The connector 22 and slot 20 cooperate to combine upper cylinder 21 and lower cylinder 19 into support base 7. The coordination of the bolt, bolt hole, and screw allows support base 7 to be adjusted forward, backward, left, and right, allowing for full adjustment of the level, making it more convenient to use.

[0043] The bottom adjustment member 26 is in an inverted L-shape, including a vertical portion 8 and a horizontal portion 9. The horizontal portion 9 is provided with a strip-shaped slot 11 along the axial direction. The horizontal portion 9 is provided with a second mounting hole 10 corresponding to the optical axis 24. The slot 11 passes through the second mounting hole 10. The second mounting hole 10 is located at one end of the slot 11. A bolt hole five is provided on the side of the horizontal portion 9, which passes through the horizontal portion 9 and the slot 11. The bolt is screwed into the bolt hole five, and the optical axis 24 is inserted into the second mounting hole 10. The bolt is tightened to fix the optical axis 24 and the bottom adjustment member 26. The provision of the slot 11 expands the applicable range of the bottom adjustment member 26. When the diameter of the optical axis 24 is slightly larger or slightly smaller than the second mounting hole 10, the size of the second mounting hole 10 can be changed by expanding or compressing the slot 11, so that the optical axis 24 and the bottom adjustment member 26 can still be fixed after the bolt is tightened.

[0044] A screw rod 43 is provided through the vertical portion 8. A nut 4 is provided on the end of the screw rod 43 away from the optical axis 24, and a washer 34 is provided on the end closer to the optical axis 24. Turning the nut 4 rotates the screw rod 43, which in turn moves the washer 34 back and forth, adjusting the distance between the optical axis 24 and the wall and leveling the level mount.

[0045] A battery compartment is removably mounted on optical axis 24 and contains batteries that power the level. If the level runs low on power during extended use, the battery can be recharged by connecting it to the optical axis 24 via a wire, replenishing the power and allowing continued use.

[0046] When in use, if it needs to be hung, the spirit level frame can be fixed to the top surface with screws through the through holes 12 on the horizontal plate 13 of the top plate 23. If it needs to be used against the wall, the spirit level frame can be fixed to the wall with screws through the through holes 12 on the vertical plates 17. The clips can also be fixed on the wall and fixed in the slots 16 on the back of the vertical plates to fix the spirit level frame. The position of the screw rod 33 on the bottom adjustment member 26 can be used to adjust the position of the washer 34, adjust the distance between the spirit level frame and the wall, and level the spirit level frame.

[0047] By turning bolt 1 30, the position of the spirit level on the optical axis 24 can be adjusted, so that the height of the spirit level can be adjusted up and down along the optical axis 24; by turning screw 1 27, the spirit level can be fine-tuned in the up and down height directions, so that the use of the spirit level can be more accurate; by turning screw 28, the position of the spirit level can be adjusted from the pitch angle; by turning bolt 3 31, the left and right swing angle of the spirit level can be adjusted; by turning screw 3 29, the forward and backward movement of the spirit level can be adjusted, so that the spirit level can be adjusted in all directions, which is easy to use and accurate in measurement.

[0048] Therefore, the present invention adopts the above-mentioned all-round adjustable portable level stand, which is small in size and easy to carry, can be disassembled for easy storage, can adjust the angle in all directions, does not need to readjust the position when moving to a new location, and is easy to use.

[0049] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention and not to limit it. Although the present invention has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that they can still modify or replace the technical solutions of the present invention with equivalents, and these modifications or equivalent replacements cannot cause the modified technical solutions to deviate from the spirit and scope of the technical solutions of the present invention.

Claims

1. A portable level stand with full range of adjustments, characterized by: It includes a top plate, an optical axis, a bottom adjustment piece and a level mounting seat, the top plate is located at one end of the optical axis, the bottom adjustment piece is located at the other end of the optical axis, the optical axis passes through the level mounting seat, the top plate, the bottom adjustment piece and the level mounting seat are all detachably connected to the optical axis, the optical axis is connected to each other by a plurality of connecting rods, the level mounting seat is provided with locking sliders on the upper and lower sides, the locking sliders are both located on the optical axis, the top plate is provided with a through hole for screw fixing and a slot for hanging the level frame; The level mounting base includes a mounting sleeve, a baffle, a slider, an extension arm and a support base. The mounting sleeve is sleeved on the optical axis. A linear bearing is provided inside the mounting sleeve. The mounting sleeve is sleeved on the optical axis through the linear bearing. An elastic retaining ring is provided between the linear bearing and the mounting sleeve. A bolt hole for fixing with a bolt is provided on the side of the mounting sleeve. The baffle is located on one side of the mounting sleeve and is integrally provided with the mounting sleeve, and the upper and lower ends of the baffle are provided with an arc-shaped convex perpendicular to the baffle, and the center of the arc-shaped convex is provided with a bolt hole 2, the baffle is provided with a slide groove along the axial direction, the slider is located in the slide groove, the baffle is provided with a screw rod 1 for fixing the slider, the screw rod 1 passes through the slider and the baffle, and the side of the slider close to the slide groove is provided with a through hole 1 for the screw rod 1 to pass through, the bolt hole 2 cooperates with the screw rod 1, and one end of the screw rod is provided with a limiting ring, and the other end is provided with a nut 1; The sliding block is provided with a groove corresponding to the extension arm on the side away from the sliding slot, and the extension arm is fixed in the groove by bolt two, and both side surfaces of the groove are provided with bolt holes three for bolt two to fix the extension arm, and one end of the extension arm located in the groove is provided with a through hole two, and the end of the extension arm located in the groove is designed with an arc, and the bottom of the groove is provided with a screw rod two passing through the through hole two, and one end of the screw rod two is provided with a nut two, and the middle of the extension arm is provided with a strip through groove, and the support seat is located in the strip through groove, and the extension arm is provided with a screw rod three at the end away from the sliding block, and the screw rod three passes through the strip through groove and the support seat, and the side wall of the strip through groove is provided with a through hole two corresponding to the screw rod three, and one end of the screw rod three is provided with a nut three; The support seat is cylindrical and includes an upper cylinder and a lower cylinder. The upper part of the upper cylinder is provided with a fixing piece for fixing the level gauge. The bottom of the upper cylinder is provided with a plug-in portion. The lower cylinder is provided with a slot corresponding to the plug-in portion. The lower cylinder is provided with a slot for the groove walls on both sides of the strip-shaped through groove to pass through. Four bolt holes for the three bolts to pass through are symmetrically provided on the side surface of the lower cylinder. The upper part of the plug-in portion is provided with a through hole three corresponding to the four bolt holes, and its bottom is provided with a through hole four for the three screw rods to pass through. The top plate includes a horizontal plate and a vertical plate, each of which is provided with a mutually symmetrical through hole, a triangular slot is provided in the middle of the back of the vertical plate, and a raised portion is provided on the front, and a mounting hole corresponding to the optical axis is provided in the center of the raised portion, and the raised portion is integrally formed with the vertical plate.

2. The omnidirectionally adjustable portable level stand according to claim 1, characterized in that: One end of the connecting rod is provided with a thread, and the other end thereof is internally provided with a thread groove corresponding to the thread along the axial direction.

3. The omnidirectionally adjustable portable level stand according to claim 1, characterized in that: The bottom adjustment member is in an inverted L-shape, including a vertical portion and a horizontal portion. The horizontal portion is provided with a strip-shaped slot along the axial direction. The horizontal portion is provided with a mounting hole 2 corresponding to the optical axis. The slot passes through the mounting hole 2. The mounting hole 2 is located at one end of the slot. The side of the horizontal portion is provided with a bolt hole 5 that passes through the horizontal portion and the slot. The vertical portion is provided with a screw rod 4 that passes through the vertical portion. The end of the screw rod 4 away from the optical axis is provided with a nut 4, and the end close to the optical axis is provided with a washer.

4. The omnidirectionally adjustable portable level stand according to claim 1, characterized in that: The locking slider includes a fixing ring and a fixing rod. The fixing ring is sleeved on the optical axis. One end of the fixing rod is provided with a thread and the other end is provided with a nut five. The side of the fixing ring is provided with a threaded through hole corresponding to the thread of the fixing rod.

5. The omnidirectionally adjustable portable level stand according to claim 1, characterized in that: A battery box is installed on the optical axis. The battery box is detachably installed on the optical axis. Batteries are installed in the battery box. The batteries are used to power the level.

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