WO2021012604A1

WO2021012604A1 - Arcuate multifunctional saw bench

Info

Publication number: WO2021012604A1
Application number: PCT/CN2019/127529
Authority: WO
Inventors: 盛晶; 何占丰; 王荣民; 李宝; 荆彦鹏; 黄永平; 潘鹏; 邱向军
Original assignee: 金华市亚虎工具有限公司
Priority date: 2019-07-23
Filing date: 2019-12-23
Publication date: 2021-01-28
Also published as: CN110434814A

Abstract

An arcuate multifunctional saw bench, comprising a bench surface mechanism and leg frames, each leg frame comprising leg rods (4), each leg rod (4) being provided with an extension arm mechanism used for securing a wooden board; the extension arm mechanism comprises a first extension arm (1), a second extension arm (2), and a fixing base (3), the first extension arm (1) being rotatably hinged to the leg rod (4), a movable connection being formed between the second extension arm (2) and the first extension arm (1) by means of a telescopic sliding rail (21) and an adjusting fastening member (22), and the fixing base (3) being connected to the upper end of the second extension arm (2); the fixing base (3) has a platform (31) for providing horizontal support, a pressing plate (32) being disposed above the platform (31), and a clamping space being formed between the platform (31) and the pressing plate (32). A new workbench fitting large boards is formed by means of the addition of the extension arm, the material of the bench surface of the saw bench being integrally formed and lightweight, and a screw base can be matched and connected to secure a miter saw.

Description

Arc-shaped multifunctional saw stool

Technical field

The invention belongs to a woodworking saw stool, and specifically relates to an arc-shaped multifunctional saw stool.

Background technique

The basic function of woodworking saw stool is to support wood. In order to meet users' more requirements for the functions of the saw stool, the technicians of this unit have made structural improvements to the saw stool structure and expanded functions. For example, the stool surface structure of the saw stool is improved so that the saw stool has the function of supporting the oblique saw; diagonal braces are added to support large plates to form a new workbench.

In order to facilitate portability and reduce storage space, the foot bar of the saw stool is set to be foldable, specifically, the foot bar is turned and folded close to the stool surface. In order to stabilize the folded state of the foot bar, a locking mechanism is added.

Summary of the invention

The present invention mainly aims at the problem of function expansion of the saw stool, and invents an arc-shaped multifunctional saw stool with additional extension arms to provide a larger range of support space and form a new worktable with large panels; the stool surface profile of the saw stool One-piece molding and light weight, the side shape of the stool surface profile can be matched and connected with the screw seat, and the miter saw is fixed on the screw seat; a locking mechanism is added under the stool surface, and when the foot rod is folded, the latch of the locking mechanism Insert the lower end of the foot to prevent the foot from turning down.

The above technical problems of the present invention are implemented through the following technical solutions: an arc-shaped multifunctional saw stool, comprising a stool surface mechanism and a tripod, the tripod includes a foot rod supporting the stool surface mechanism, and is characterized in that: The foot rod is provided with an extension arm mechanism for fixing the wooden board.

The extension arm mechanism includes a first extension arm located below, a second extension arm located above, and a fixing seat at the top end. The lower end of the first extension arm is pivotally hinged with the foot bar, and the second extension arm is connected to the first extension. The arms are movably connected by telescopic slide rails and adjusting fasteners, and the fixing seat is connected to the upper end of the second extension arm.

The fixing seat has a platform for providing horizontal support, and a pressing plate is arranged above the platform, and a clamping space is formed between the platform and the pressing plate.

Preferably, the edge of the pressure plate facing the stool surface mechanism has a saw-tooth-like clamping jaw extending downward, and at the same time, the plate surface of the pressure plate has hollow fastening holes; the platform of the fixing seat and the pressure plate are separated from the side The plates are connected to form a U-shaped piece and the open end faces the stool surface mechanism; both ends of the platform have coupling plates extending vertically downward, and the lower ends of the two coupling plates are correspondingly connected to the side walls of the second extension arm. The connecting plate can be directly fixed to the second extension arm, or can be movably hinged to the second extension arm. Because of the clamping claws, when the wood board is installed on the fixed seat, the wood board and the pressing plate are basically not in contact, which reduces the friction during installation and facilitates the adjustment of the wood board position; at the same time, the thickness of the wood board can float within a certain range.

Preferably, the wall surface of the second extension arm is provided with an axially extending hollow telescopic slide rail, the telescopic slide rail is connected with adjusting fasteners, and at the same time, the first extension arm is provided with an adjusting channel near the upper end. Hole, the adjusting fastener is connected to the adjusting through hole after passing through the telescopic slide rail.

The four extension arm mechanisms provide four horizontal support points. The square plank is clamped on the fixing base and can be fixed with screws or other fasteners if necessary. The screws are driven into the plank from the fastening holes of the fixing base; the extension arm mechanism can Telescopic, provide different specifications of support range, adapt to support different specifications of square wood.

Preferably, the upper part of the foot rod is provided with an extension arm locking member for locking the extension arm, the extension arm locking member is configured as a bent strip or a bent short rod, and the extension arm locking member includes The hinge part of the foot rod pivoted through the rotation axis, the inclined transition part inclined downward and expanded relative to the hinge part and the foot rod, and the locking part parallel to the hinge part, the locking part and the side wall of the foot rod form a distance The locking portion is provided with a relatively convex handle that facilitates the application of external force. The extension arm locking member is located on the upper part of the foot bar. When locking, the locking part is pressed against the upper end of the second extension arm; when it is loosened, the handle is rotated to make the locking part separate from the second extension arm, eliminating the need for the second extension arm. The compression of the extension arm.

Preferably, the first extension arm and the second extension arm are both set in a half-pipe shape matching the shape of the side wall of the foot bar, and the first extension arm and the second extension arm can cover the outer side wall of the foot bar; The foot rod is in the shape of a half tube, and the cross-section is U-shaped or semi-circular; the lower end side wall of the first extension arm has two parallel hinged plates protruding downwards, and the hinged plates are provided with through holes. A pin is connected in the hole, and the pin is correspondingly connected to the lower side wall of the foot rod. After the extension arm mechanism is unfolded, the extension arm mechanism is inclined and supported relative to the foot bar.

Preferably, the stool surface mechanism includes a stool surface profile, and stool surface end plates connected to both ends of the stool surface profile; the stool surface profile is set to be hollow with an open bottom surface, and its cross section is a long waist shape, and the stool surface profile includes The stool panel on the top surface, the front side panel curved in a semicircular arc shape on the front side, and the rear side panel curved in a semicircular arc shape on the rear side; the lower bottom edge of the front side panel has a fold extending vertically upward The bottom edge of the rear side plate has a folded edge extending vertically upward.

The curved surface formed by the front side plate and the back side plate of the stool surface profile can match the shape of the clamping groove and the clamping block of the screw seat to form a clamping connection.

Preferably, the two ends of the stool surface profile are connected to the foot rod mounting seat, the foot rod mounting seat includes two mounting plates vertically fixed on the lower surface of the stool panel, the mounting plate has a shaft hole and the shaft hole is connected to the first Rotating shaft, a section of rotating shaft sleeve is vertically hinged on the first rotating shaft, and the end of the rotating shaft sleeve is hinged to two foot rods at the same time through the second rotating shaft. The opening faces of the two foot rods are opposite, and the angle between the two foot rods is zero. The side wall of the rod is stacked inside and outside, and the side wall of the foot rod at the hinged part covers the side wall of the rotating shaft sleeve; the lower edges of the two mounting plates have limit plates extending obliquely downwards and expanding relatively outward. When the foot rods are in the unfolding support, the side walls of the two foot rods can respectively collide with the corresponding limit plates, thereby controlling the bifurcation angle of the foot rods.

Preferably, the lower ends of the two limit plates each have a bottom plate extending horizontally outward, and the outer ends of the two bottom plates each have a reinforcing plate extending obliquely upwards. The upper edges of the two reinforcing plates are respectively connected with the corresponding front side plate and the rear side plate. The side plates conflict; the lower surfaces of the two bottom plates are connected with a section of columnar foot pads. When the foot bar is folded, it can be completely stored under the stool panel, and the bottom plate is convex relative to the stool surface. When the folded saw stool is placed stably, the bottom plate contacts the ground; in order to prevent the bottom plate from being worn, it is fixed under the bottom plate Foot pads.

Preferably, a locking mechanism is provided at the lower bottom surface of the stool panel facing downward and corresponding to the lower end of the foot rod after being folded horizontally. The locking mechanism includes a horizontally retractable latch, and the retractable end of the latch can extend Into the lower ends of the two leg rods; the locking mechanism includes two parallel fixing plates, the fixing plates are vertically fixed to the lower bottom surface of the stool, the two fixing plates are provided with shaft holes, the bolt is connected to the shaft hole, and the bolt upper ring The spring is sleeved, and the spring is located between the two fixing plates; the rear end of the bolt is connected with a pull ring that is convenient for pulling. Pull the pull ring outwards, and the pin will be separated from the foot bar, and the foot bar can be freely rolled down and unfolded; on the contrary, after the foot bar is turned up and folded, the plug pin is inserted into the lower end of the foot bar after the pull ring is relaxed.

Preferably, in the stool surface end plate, the outer surface of the stool surface end plate at one end is provided with a transverse concave splicing groove, and the outer surface of the stool surface end plate at the other end is provided with a transverse convex splicing groove. Article. Two saw stools or more saw stools are joined together by concave and convex splicing grooves and splicing strips.

In summary, compared with the prior art, the present invention has the following advantages:

The present invention has an extension arm mechanism, which can be combined with a square wooden board to form a new workbench, and the extension arm is retractable, and the specifications of the workbench are variable; the stool surface profile of the present invention is integrally formed and light in weight, and the stool surface profile has a semicircular arc shape The side plate can be matched and clamped with the clamping groove and clamping block of the screw seat, and the miter saw can be fixed on the screw seat; the hollow part of the stool surface profile of the present invention can be used to store the folded tripod, reducing Storage space; the present invention adds a locking mechanism below the stool surface, when the foot rod is folded, the latch of the locking mechanism is inserted into the lower end of the foot rod to prevent the foot rod from turning down and unfolding; the stool surface end plate of the present invention has concave and convex splicing grooves and Splicing strips can be combined and spliced.

Description of the drawings

Figure 1 is a schematic diagram of the structure of the present invention;

Figure 2 is an enlarged view of part A in Figure 1;

Figure 3 is a schematic view of the structure of the present invention with the extension arm mechanism in an unfolded state;

Figure 4 is an enlarged view of part B in Figure 3;

Figure 5 is a cross-sectional view of the stool surface profile of the present invention;

Figure 6 is a bottom view of the present invention;

Figure 7 is a schematic view of the folded state of the present invention;

Figure 8 is the first state of use diagram of the present invention;

Figure 9 is a second use state diagram of the present invention;

Fig. 10 is a diagram of the third use state of the present invention.

The numbers in the figure are: 1. First extension arm; 11. Hinge plate; 2. Second extension arm; 21. Telescopic slide rail; 22. Adjusting fastener; 3. Fixing seat; 31. Platform; 32. Pressure plate; 33. Claw; 34. Fastening hole; 35. Coupling plate; 4. Foot rod; 5. Extension arm locking part; 51. Locking part; 52. Handle part; 6. Stool surface profile; 61. Stool panel 62. Front side plate; 63. Rear side plate; 64. Folding edge; 7. Stool end plate; 71. Splicing groove; 72. Splicing strip; 8. Foot pole mounting seat; 80. Mounting plate; 81. Section A shaft; 82, a second shaft; 83, a rotating shaft sleeve; 84, a limit plate; 85, a bottom plate; 86, a reinforcing plate; 87, a foot pad; 9, a locking mechanism; 91, a latch; 92, a fixing plate.

Detailed ways

The present invention will be further described below in conjunction with the drawings and embodiments.

Example 1:

As shown in Figure 1-7, an arc-shaped multifunctional saw stool includes a stool surface mechanism, a tripod, and an extension arm mechanism; the stool surface mechanism is set as a hollow cylinder with an open bottom surface, and the main body of the stool surface mechanism The stool surface profile 6 is adopted with a long waist in cross section; the stool surface profile 6 is composed of a stool panel 61 on the top surface, a semicircular arc-shaped front side panel 62 on the front side, and a semicircle on the back side. An arc-shaped back side plate 63 is formed.

The lower bottom edge of the front side panel 62 has a folded edge 64 that extends vertically upwards, and the lower bottom edge of the rear side panel 63 has a folded edge 64 that extends vertically upwards; the front side edge of the stool panel 1 is connected to the front side panel 2 The upper bottom edge of the stool panel 1 is connected to the upper bottom edge of the rear side plate 63, and the connection point of the two transitions smoothly; the lower bottom edge of the front side plate 62 There is a folded edge 64 extending vertically upward, and the bottom bottom edge and the folded edge 64 make a smooth transition; the bottom bottom edge of the rear side plate 63 has a folded edge 64 extending vertically upward, and the bottom bottom edge and the folded edge 64 make a smooth transition.

The stool panel 61 is provided with a plurality of through holes of different sizes near the two ends, which can be used to install clamps and clamping blocks; the width of the stool panel 61 is slightly larger than the diameter of the front side plate 62 and the rear side plate 63 3 times.

As shown in Fig. 8, when in use, the screw rod seat can be clamped on the stool surface profile 6.

The stool surface profile 6 has stool surface end plates 7 at both ends, one end of the stool surface end plate 7 has a transversely concave splicing groove 71 on its outer side, and the other end has a stool surface end plate 7 on its outer surface. A horizontally convex splicing strip 72; when two saw stools are spliced, the splicing strip 72 of one saw stool can be inserted into the splicing groove 71 of the other saw stool, as shown in FIG. 9.

The foot rod mounting seats 8 are respectively fixed at both ends of the stool surface profile 6, and each foot rod mounting seat 8 is hinged with two foot rods 4; the foot rods 4 are arranged in the shape of a hollow half tube and have a U-shaped cross section.

Specifically, the foot pole mounting seat 8 includes two mounting plates 80 that are vertically fixed to the bottom surface of the stool panel 61. The mounting plate 80 has a shaft hole and a first shaft 81 is connected to the shaft hole. The first shaft 81 is vertically hinged. A section of the rotating shaft sleeve 83, the end of the rotating shaft sleeve 83 is connected to the second rotating shaft 82, and the second rotating shaft 82 is simultaneously hinged with two foot rods 4.

The upper side wall of the foot rod 4 has a through hole and is hinged to the second rotating shaft 82, and the opening faces of the two foot rods 4 are opposite. When the angle between the two foot rods 4 is zero, the side walls of the different foot rods 4 are staggered inside and outside. Stack; In the hinged part of the rotating shaft sleeve 83 and the two foot rods 4, the side wall of the foot shaft 4 covers the side wall of the rotating shaft sleeve 83.

The lower edges of the two mounting plates 80 are provided with a limiting plate 84 extending obliquely downwards and relatively outwardly expanding. When the two leg bars 4 are in the unfolded support, the side walls of the two leg bars 4 can respectively correspond to the corresponding limiting plate 84 conflict.

At the lower ends of the two limiting plates 84 are both a bottom plate 85 extending horizontally outward, and the outer ends of the two bottom plates 85 both have a reinforcing plate 86 extending obliquely upwards. The upper edges of the two reinforcing plates 86 are respectively corresponding to the front side The board 62 and the rear side board 63 conflict; the lower surfaces of the two bottom plates 85 are connected to a section of columnar foot pad 87.

A locking mechanism 9 is installed on the lower bottom surface of the stool panel 61 corresponding to the lower end of the foot bar 4 after being folded horizontally. The locking mechanism 9 includes two parallel fixing plates 92, which are fixed vertically On the lower bottom surface of the stool panel 61, the two fixing plates 92 are provided with shaft holes. The pin 91 is connected in the shaft hole. The front and rear ends of the pin 91 are exposed on the fixing plate 92. The spring is sleeved on the pin 91, and the spring is located in two fixed parts. Between the plates 92; the front end of the pin 91 can extend into the lower end of the two leg rods 4 to form a locking position, and a pull ring 93 is connected to the rear end of the pin 91 for easy pulling.

Each foot pole 4 is provided with an extension arm mechanism for fixing the wood board, the extension arm mechanism mainly includes a first extension arm 1 located below, a second extension arm located above 2 and a fixing seat 3 located at the top.

The first extension arm 1 and the second extension arm 2 are all arranged in a half-pipe shape matching the shape of the side wall of the foot bar 4, and the cross section is U-shaped; the first extension arm 1 and the second extension arm 2 can cover On the outer side wall of the foot rod 4; the lower end side wall of the first extension arm 1 has two parallel hinge plates 11 protruding downward, the hinge plates 11 have through holes, and pins are connected in the through holes, and the pins are connected correspondingly On the lower side wall of the foot bar 4, the first extension arm 1 and the foot bar 4 are pivotally hinged.

The wall surface of the second extension arm 2 has a hollow telescopic slide rail 21 extending axially. The telescopic slide rail 21 is connected with an adjusting fastener 22. The adjusting fastener 22 specifically uses bolts and nuts with knobs. At the same time, The first extension arm 1 has an adjustment through hole near the upper end, and the adjusting fastener 22 passes through the telescopic slide rail 21 and then connects to the adjustment through hole. The second extension arm 2 is telescopic and adjustable relative to the first extension arm 1 .

A fixing base 3 is connected to the upper end of the second extension arm 2. The fixing base 3 has a platform 31 that provides horizontal support. There is a pressure plate 32 above the platform, and the platform 31 and the pressure plate 32 are connected by side plates to form a U-shaped piece and open The end faces the stool surface profile 6, and a clamping space is formed between the platform 31 and the pressure plate 32; the edge of the pressure plate 32 facing the stool surface profile 6 has a downwardly extending serrated clamping jaw 33, and at the same time, the pressure plate 32 The board has two side-by-side hollow fastening holes 34. When the board needs to be reinforced, screws are driven into the board from the fastening holes 34 for fastening.

As shown in Fig. 10, when in use, the square wood board is fixed on the four fixing seats 3 to form a new platform.

Both ends of the platform 31 have coupling plates 35 extending vertically downwards. The lower ends of the two coupling plates 35 are correspondingly connected to the side walls of the second extension arm 2; if the two are fixedly connected, the coupling plates 35 and the first The second extension arm 2 can be fixed by welding, or through holes are provided on the wall surface of the coupling plate 35 and the second extension arm 2, and then fastened by bolts and nuts; if the two are rotating and hinged, the coupling plate 35 and the second extension arm Pins are connected in corresponding through holes on the wall surface of 2 to form a hinge.

In order to lock the extension arm mechanism, an extension arm locking member 5 is provided on the upper part of the foot bar 2 to lock the extension arm mechanism; the extension arm locking member 5 is configured as a bent strip piece, specifically including a foot bar 4 The hinge part is hinged by the rotation axis, the inclined transition part that is inclined downward and expanded relative to the hinge part and the foot rod 4, and the locking part 51 parallel to the hinge part, the locking part 51 and the side wall of the foot rod 4 A space is formed between them; on one side of the locking portion 51 there is a relatively convex handle 52 that facilitates the application of external force.

As shown in Figure 2, when the extension arm mechanism is in the locked state, the first extension arm 1 and the second extension arm 2 are close to the foot bar 4, and the locking portion 51 of the extension arm locking member 5 is rotated downward and pressed Tighten the upper end of the second extension arm 2; when the extension arm mechanism is unfolded, hold the handle 52 to rotate the locking portion 51 upwards to eliminate the pressing effect of the locking portion 51 on the second extension arm 2.

The specific embodiments described in the text are merely illustrative of the spirit of the present invention. Those skilled in the art to which the present invention pertains can make various modifications or additions to the specific embodiments described or use similar alternatives, but they will not deviate from the spirit of the present invention or exceed the definition of the appended claims. Range.

Claims

An arc-shaped multifunctional saw stool, comprising a stool surface mechanism and a tripod. The tripod includes a foot rod (4) for supporting the stool surface mechanism. The foot rod is characterized in that an extension arm for fixing a wooden board is provided on the foot rod. mechanism;

The extension arm mechanism includes a first extension arm (1) located below, a second extension arm (2) located above, and a fixing seat (3) located at the top end, wherein the lower end of the first extension arm is pivotally hinged with the foot rod , The second extension arm and the first extension arm are movably connected by the telescopic slide rail (21) and the adjusting fastener (22), and the fixing seat is connected to the upper end of the second extension arm;

The fixing seat is provided with a platform (31) for providing horizontal support, and a pressing plate (32) is arranged above the platform, and a clamping space is formed between the platform and the pressing plate.
The arc multifunctional saw stool according to claim 1, wherein the edge of the pressure plate facing the stool surface mechanism has a downwardly extending sawtooth-shaped clamping jaw (33), and at the same time, the plate surface of the pressure plate has Hollow fastening holes (34); the platform of the fixing seat and the pressing plate are connected by side plates to form a U-shaped piece and the open end faces the stool surface mechanism; both ends of the platform have vertical downward extensions A connecting plate (35), the lower ends of the two connecting plates are correspondingly connected to the side wall of the second extension arm.
The arc-shaped multifunctional saw stool according to claim 1, wherein the wall surface of the second extension arm is provided with an axially extending hollow telescopic slide rail (21), and the inner connection of the telescopic slide rail is adjusted and tightened. At the same time, an adjusting through hole is provided at a position near the upper end of the first extension arm, and the adjusting fastener is connected to the adjusting through hole after passing through the telescopic sliding rail.
The arc multifunctional saw stool according to claim 3, characterized in that the upper part of the foot rod is provided with an extension arm locking member (5) for locking the extension arm, and the extension arm locking member is arranged to be bent The slats or bent short rods, the extension arm locking part includes a hinge part that is pivotally hinged with the foot rod through a rotating shaft, an inclined transition part that is inclined downward and expanded with respect to the hinge part and the foot rod, and is parallel to the hinge part The locking portion (51) is formed with a distance between the locking portion and the side wall of the foot rod; the locking portion is provided with a relatively convex handle (52) that facilitates the application of external force.
The arc-shaped multifunctional saw stool according to claim 4, wherein the first extension arm and the second extension arm are both set in a half-pipe shape matching the shape of the side wall of the foot bar, and the first extension arm And the second extension arm can cover the outer side wall of the foot bar; the foot bar is in the shape of a half tube, and the cross section is U-shaped or semicircular; the lower end side wall of the first extension arm has a downwardly convex Two parallel hinge plates (11), the hinge plates are provided with through holes, and pins are connected in the through holes, and the pins are correspondingly connected to the lower side wall of the foot rod.
The arc multifunctional saw stool according to claim 5, wherein the stool surface mechanism comprises a stool surface profile (6), and stool surface end plates (7) connected to both ends of the stool surface profile; the stool surface The profile is set to be hollow and the lower bottom surface is open. Its cross section is a long waist. The stool profile includes a stool panel (61) on the top surface, a semi-circular arc curved front panel (62) on the front side, and a back A semicircular arc curved rear side panel (63); the lower bottom edge of the front side panel has a folded edge (64) extending vertically upward, and the lower bottom edge of the rear side panel has a folded edge extending vertically upward side.
The arc-shaped multifunctional saw stool according to claim 6, characterized in that the two ends of the stool surface profile are connected to the foot rod mounting seat (8), and the foot rod mounting seat includes a vertical fixed to the lower surface of the stool panel Two mounting plates (80), the mounting plate has a shaft hole and the first shaft (81) is connected in the shaft hole. A section of rotating shaft sleeve (83) is vertically hinged on the first shaft, and the end of the rotating shaft sleeve passes through the second shaft (82) When two foot rods are hinged at the same time, the opening faces of the two foot rods are opposite, and the angle between the two foot rods is zero degrees, the side walls of different foot rods are stacked inside and outside, and the side wall of the foot rod at the hinged part covers the rotation shaft sleeve Outside the side wall; the lower edges of the two mounting plates have a limit plate (84) extending obliquely downwards and relatively outwardly expanded. When the two foot rods are in the unfolded support, the side walls of the two foot rods can respectively correspond to The limit plate conflicts.
The arc-shaped multifunctional saw stool according to claim 7, characterized in that the lower ends of the two limit plates have a bottom plate (85) that extends horizontally outward, and the outer ends of the two bottom plates have reinforcements that extend obliquely upwards. The upper edges of the two reinforcing plates respectively collide with the corresponding front and rear side plates; the lower surfaces of the two bottom plates are connected with a section of columnar foot pads (87).
The arc-shaped multifunctional saw stool according to claim 7, characterized in that, at the lower bottom surface of the stool panel facing downward and corresponding to the lower end of the foot rod after being folded horizontally, a locking mechanism (9) is provided , The locking mechanism includes a horizontally retractable bolt (91), the telescopic end of the bolt can extend into the lower end of the two foot rods; the locking mechanism includes two parallel fixed plates (92), the fixed plate is vertically fixed to the stool On the lower bottom surface of the surface, the two fixing plates are provided with shaft holes, the bolt is connected to the shaft hole, and the spring is sleeved on the bolt, and the spring is located between the two fixing plates; the rear end of the bolt is connected with a pull ring that is easy to pull .
The arc multifunctional saw stool according to claim 6, characterized in that, the stool surface end plate, one end of the stool surface end plate is provided with a lateral concave splicing groove (71) on the outer side surface, and A horizontally convex splicing strip (72) is arranged on the outer side of the stool surface end plate at one end.