CN114951820A

CN114951820A - Multifunctional mini saw

Info

Publication number: CN114951820A
Application number: CN202210379977.3A
Authority: CN
Inventors: 谢明礼
Original assignee: Ningbo Tianhe Electric Tools Co ltd
Current assignee: Ningbo Tianhe Electric Tools Co ltd
Priority date: 2022-04-12
Filing date: 2022-04-12
Publication date: 2022-08-30
Anticipated expiration: 2042-04-12
Also published as: CN114951820B

Abstract

The invention discloses a multifunctional mini saw, which comprises a mini saw body, wherein the mini saw body consists of a handle body, a power mechanism, a saw blade, an outer protection shell, a movable protection cover and a base body, is arranged in the handle body and is used for controlling a micro-motion unit of the power mechanism; a control assembly mounted on the handle body; the limiting groove body is arranged on the base body and is used for being in sliding connection with the movable protective cover; set up on outer protection casing, a regulation and control subassembly for adjusting saw bit depth of cut, this multi-functional mini saw, touch the button on the fine motion unit through control assembly, make power unit drive the saw bit carry out work, and make the activity protection casing carry out directional action in outer protection casing under the effect of ending the position board, and make the depth of cut of saw bit can carry out appropriate amount through regulation and control subassembly and adjust, and make the activity protection casing can prevent the card pause phenomenon from appearing when carrying out directional action in spacing cell body and outer protection casing under the effect of driving piece.

Description

Multifunctional mini saw

Technical Field

The invention relates to the technical field of mini saws, in particular to a multifunctional mini saw.

Background

The mini saw of hand-held type includes bottom plate, guard shield, motor assembly, saw bit, controls organism, handle, switch, and the bottom plate passes through the torsional spring and controls the organism articulated, and the switch setting is equipped with the unblock button that can remove about on the switch on the handle, is equipped with spacing step on the bottom plate, and the guard shield is fixed on the bottom plate, is used for protecting the saw bit. Because the application range is wider than that of the traditional electric circular saw, the electric circular saw can be used for vertically and downwardly deeply cutting and linearly cutting, has multiple functions, and is accepted by consumers.

Mini saw is an improvement to electric circular saw, compare more small and exquisite with traditional electric circular saw, facilitate the use, present mini saw includes the casing usually, the motor of setting in the casing reaches the saw bit of being connected with motor drive through drive mechanism, present mini saw need carry out the regulation of the different degree of depth according to being cut the object in the in-service use process, thereby can realize carrying out the design of different shapes to the object, however the degree of depth regulation structure of current mini saw is comparatively complicated, need carry out a lot of and adjust just can realize adjusting the degree of depth cutting to the object, thereby make the work load that makes the dismouting great on the one hand, on the other hand carries out the degree of depth adjustment in-process, complicated degree of depth adjustment mechanism easily influences staff's work efficiency, for this, we propose a multi-functional mini saw.

Disclosure of Invention

The present invention is directed to a multifunctional mini saw, which solves the above problems.

In order to achieve the purpose, the invention provides the following technical scheme: a multifunctional mini saw comprises a mini saw body, wherein the mini saw body consists of a handle body, a power mechanism, a saw blade, an outer protection shell, a movable protection cover and a base body, is arranged in the handle body and is used for controlling a micro-motion unit of the power mechanism; the control component is arranged on the handle body and is used for enabling the power mechanism to drive the saw blade to work by touching the button on the micro-motion unit; the limiting groove body is arranged on the base body and is used for being in sliding connection with the movable protective cover; set up on outer protection casing for carry out the regulation and control subassembly adjusted to saw bit depth of cut, so that make power unit drive the saw bit and carry out work under the effect of control subassembly, and the regulation and control subassembly is convenient for the staff to adjust the depth of cut of saw bit.

Preferably, the control assembly comprises a key body, a key control button, a key partition plate, a partition plate spring and a stress piece, wherein the key body is arranged on the handle body, and the output end of the key body is arranged below the micro-motion unit; the button control button is arranged at one end of the button body, a fixing pin for rotationally connecting with the handle body is arranged on the button control button, and a convex block is arranged on the button control button; the key partition plate is arranged in the handle body and is in sliding connection with the handle body, a groove used for being matched with the convex block is formed in the key partition plate, and the partition plate spring is arranged on the key body and is connected with the key partition plate; the stressed part is arranged inside the handle body and used for enabling the movable protective cover to perform limiting actions in the outer protective shell and the limiting groove body through the acting force of the key partition plate, so that the key control button is pressed to enable the key body to be pressed and contacted with the micro-motion unit, and the power mechanism drives the saw blade to rotate.

Preferably, the atress piece is including setting up in the inside position plate that ends of handle body, and end and be provided with on the position plate and be used for rotating the rotation post of being connected with the handle body, just be provided with the draw-in groove on the outer protection casing, wherein end position plate one end and set up inside the draw-in groove, wherein end position plate one end and be provided with and be used for carrying out the spring body of being connected with handle body inner wall to make the button baffle act on and end the position plate, thereby carry out directional spacing action on spacing cell body and in the outer protection casing to the activity protection casing.

Preferably, the inner area of the clamping groove is larger than the area of the end part of the stop plate, so that one end of the stop plate can move in the clamping groove.

Preferably, the regulation and control subassembly is including setting up the spout on outer protection casing, and be provided with the scale cell body on the outer protection casing, wherein be provided with the baffle group that is used for carrying out sliding connection rather than on the spout, just be provided with the joint piece on the baffle group, and be provided with on the activity safety cover and be used for carrying out the locating part controlled the saw bit degree of depth through joint piece position to pressing baffle group that messenger it carries out directional motion in the spout, and make baffle group move the mark value on the scale cell body according to the cutting depth.

Preferably, the locating part is including setting up the stopper on the activity protection casing, wherein the joint piece is in on the motion trail of stopper, and activity protection casing bottom is installed and is used for carrying out sliding connection's spacer pin with spacing cell body, wherein end board one end is in outside and protects the casing inside and be used for spacing the activity protection casing action to make the motion of activity protection casing can be injectd under the effect of locating part

Preferably, be provided with circular spacing seat on the base body, just rotate between outer protective housing tip and the circular spacing seat and be connected, wherein handle body and outer protective housing carry out fixed connection, power unit sets up inside the handle body and its output is connected with the saw bit, wherein movable protection casing is connected with the handle body and is in outside protective housing inside to the in-process that pushes down that makes, outer protective housing rotates along the centre of a circle of circular spacing seat.

Preferably, the inner part of the outer protection shell is provided with a driving piece for providing auxiliary pushing action for the action of the movable protection cover, so that the phenomenon that the movable protection cover is blocked during movement in the actual use process is avoided.

Preferably, the driving part comprises an annular gear row, a connecting part, a gear body, a transmission gear, a cylinder, a circular plate body, a force application block and a stress block, wherein the annular gear row is arranged in the outer protection shell and is fixedly connected with the base body through the connecting part; the gear body is arranged on the power mechanism and is rotationally connected with the power mechanism; the transmission gear is arranged in the outer protection shell and is connected with the outer protection shell through the cylinder body, and the transmission gear is rotationally connected with the cylinder body, wherein the transmission gear is respectively meshed with the annular gear row and the gear body; the circular plate body is arranged on the gear body, and the force application block is arranged on the surface of the circular plate body; the stress block is arranged on the movable protective cover and is positioned on the motion path of the force application block so that the annular gear row can move directionally along with the outer protective shell, the annular gear row is meshed with the transmission gear and enables the gear body to rotate, the circular plate body is driven to rotate synchronously, and the force application block acts on the stress block to apply directional action to the movable protective cover.

Preferably, the center of the circular gear row coincides with the center of the circular limiting seat, so that the circular gear row performs directional motion by taking the circular limiting seat as the center of the circle.

Compared with the prior art, the invention has the beneficial effects that:

1. according to the invention, the control assembly touches the button on the micro-motion unit, so that the power mechanism drives the saw blade to work, the movable protective cover performs directional action in the outer protective shell under the action of the stop plate, the cutting depth of the saw blade can be properly adjusted through the regulating and controlling assembly, and the clamping phenomenon can be prevented when the movable protective cover performs directional action in the limiting groove body and the outer protective shell under the action of the driving piece, so that the defects of complex depth regulating structure, high cost and the like in the prior art are overcome through the scheme.

2. The mini saw is provided with the driving piece, so that after the mini saw body is used for a period of time, the movable protective cover is easy to clamp in the moving process, a worker can push the movable protective cover to perform directional action only by increasing the downward pressure, and when the clamp in the mini saw body occurs, the driving piece gives acting force to the movable protective cover to perform directional action in the outer protective shell and the limiting groove.

3. The invention is provided with the stop plate, and the movable protective cover can perform directional limiting action in the outer protective shell through the stop plate so as to perform limiting action on the movement direction of the movable protective cover.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural diagram of a control assembly according to the present invention;

FIG. 3 is a schematic view of the structure of the present invention;

FIG. 4 is a schematic view of the handle body structure according to the present invention;

FIG. 5 is a partial sectional view of the handle body according to the present invention;

FIG. 6 is a schematic view of the stress-bearing member of the present invention;

FIG. 7 is a schematic structural view of a regulating member according to the present invention;

FIG. 8 is a schematic view of a position limiting member according to the present invention;

FIG. 9 is a schematic view of the driving member of the present invention;

FIG. 10 is a partial schematic view of the driving member of the present invention;

FIG. 11 is a partial schematic view of the present invention;

FIG. 12 is a force analysis diagram of the clamping structure of the movable shield of the present invention.

In the figure: 1-mini saw body; 2-a handle body; 3, a power mechanism; 4-saw blade; 5-an outer protective shell; 6-movable protective cover; 7-a base body; 8-a micro-motion unit; 9-a control assembly; 10-a limiting groove body; 11-a regulatory component; 12-a limit piece; 13-a circular limiting seat; 14-a drive member; 91-key body; 92-key control button; 93-key separator; 94-a diaphragm spring; 95-a force-bearing member; 96-a fixation pin; 97-bump; 98-a groove; 111-a chute; 112-a scale groove body; 113-a baffle group; 114-a clamping block; 121-a limiting block; 122-a spacing pin; 141-annular row of teeth; 142-a connector; 143-a gear body; 144-a drive gear; 145-column; 146-a circular plate body; 147-a force application block; 148-force bearing block; 951-a stop plate; 952-a rotating column; 953-card slot; 954-spring body.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-12, the present invention provides a technical solution: the invention relates to a multifunctional mini saw, which solves the problems that the depth adjusting structure of the existing mini saw is complex, and the depth adjusting cutting of an object can be realized only by adjusting for many times, so that the assembling and disassembling workload is large on the one hand, and the complex depth adjusting mechanism is easy to influence the working efficiency of workers in the depth adjusting process on the other hand, and the scheme is correspondingly improved aiming at the problems, and comprises a mini saw body 1, wherein the mini saw body 1 is composed of a handle body 2, a power mechanism 3, a saw blade 4, an outer protection shell 5, a movable protection cover 6 and a base body 7, other parts of components are the prior art, the scheme is not described much, wherein the power mechanism 3 is arranged in the handle body 2, the output end of the power mechanism is fixedly connected with the saw blade 4, so as to drive the saw blade 4 to rotate, and the outer protection shell 5 is fixedly connected with the handle body 2, the movable protective cover 6 is connected with the handle body 2 and is positioned inside the outer protective shell 5, wherein the saw blade 4 is arranged inside the outer protective shell 5, the circular limiting seat 13 is arranged on the base, the end part of the outer protective shell 5 is rotatably connected with the circular limiting seat 13, the base body 7 is provided with a strip-shaped groove for enabling the saw blade 4 to descend, so that the saw blade 4 can cut an object along the strip-shaped groove, the handle body 2 is internally provided with a micro-motion unit 8 for controlling the power mechanism 3, and the micro-motion unit 8 is provided with a control button; a control component 9 which is used for enabling the power mechanism 3 to drive the saw blade 4 to work by touching a button on the micro-motion unit 8 is arranged on the handle body 2; the operator touches a control button on the micro-motion unit 8 through the control component 9, so that the power mechanism 3 works, and a limit groove body 10 used for being in sliding connection with the movable protective cover 6 is arranged on the base body 7; and a regulating and controlling assembly 11 for regulating the cutting depth of the saw blade 4 is arranged on the outer protective shell 5.

The control assembly 9 in the scheme comprises a key body 91, a key control button 92, a key clapboard 93, a clapboard spring 94 and a stress piece 95,

wherein the key body 91 is arranged on the handle body 2, and the output end of the key body 91 is arranged below the micro-motion unit 8; a key control button 92 is installed at one end of the key body 91, a fixing pin 96 for rotationally connecting with the handle body 2 is installed on the key control button 92, it should be noted that a torsion spring is connected between the fixing pin 96 and the handle body 2, so that the restoring effect is achieved, and a convex block 97 is installed on the key control button 92; the key partition 93 is arranged inside the handle body 2 and is in sliding connection with the handle body, wherein a groove 98 used for being matched with the convex block 97 is arranged on the key partition 93, and the partition spring 94 is arranged on the key body 91 and is connected with the key partition 93; stress 95 sets up inside handle body 2, and is used for making the movable protection cover carry out spacing action in outer protection casing 5 and spacing cell body 10 through the effort of button baffle 93, and it is to be said that all set up trapezoidal piece on button body 91 and the button baffle 93 in this scheme, and initial condition is in the laminating state, and trapezoidal piece on the button baffle 93 hinders pressing of button body 91.

Specifically, the staff dials button control button 92, and protruding piece 97 acts on recess 98 on button baffle 93 this moment, and the trapezoidal piece of installation is the mating state with the trapezoidal piece on the button body 91 on the button baffle 93 this moment, can press button body 91 this moment and make its output touch the button on the little moving unit 8, and button baffle 93 acts on atress piece 95 simultaneously, and baffle spring 94 is in tensile state this moment.

The stress element 95 in this embodiment comprises a stop plate 951 arranged inside the handle body 2, and a rotation column 952 rotatably connected with the handle body 2 is installed on the stop plate 951, the rotation column 952 is installed at the center of the stop plate 951, so that the key separator 93 acts on the stop plate 951 to make it rotate directionally under the action of the rotating column 952, and the outer protective shell 5 is provided with a clamping groove 953, wherein one end of the stop plate 951 is arranged inside the clamping groove 953, it should be noted that the inner area of the clamping groove 953 in the scheme is larger than the area of the end part of the stop plate 951, and the end of the stop plate 951 is used for limiting the movement of the movable protective cover 6 in the outer protective shell 5, wherein one end of the stop plate 951 is connected with a spring body 954 used for connecting with the inner wall of the handle body 2, so that the stop plate 951 returns to the initial state under the action of the spring body 954 after returning to the initial state.

The adjusting and controlling component 11 in the present scheme comprises a sliding chute 111 arranged at one side of the outer protective casing 5, and a scale chute body 112 is arranged on the outer protective casing 5, wherein the chute 111 is provided with a baffle plate group 113 for sliding connection with the chute, and the baffle plate group 113 is fixedly provided with a clamping block 114. it should be noted that the baffle plate group 113 in the scheme is composed of a baffle plate key, a movable baffle plate, a baffle plate fixing pin 96 body and a baffle plate pressing plate, wherein the baffle button is connected with the movable baffle through a baffle fixing pin 96, the baffle pressing plate is arranged on the movable baffle, the clamping block 114 is arranged on the movable baffle, so that a user can push the baffle button to make the baffle group 113 perform directional action on the chute 111, the baffle pressing plate is provided with an arrow head for corresponding to the scale groove body 112, a limiting piece 12 for controlling the depth of the saw blade 4 through the position of the clamping block 114 is arranged on the movable protective cover 6;

the limiting member 12 includes a limiting block 121 fixedly mounted on the movable protective cover 6, wherein the clamping block 114 is located on a movement track of the limiting block 121, so that when the position of the baffle plate set 113 is adjusted, the clamping block 114 is synchronously taken along with the limiting block, and a limiting pin 122 for sliding connection with the limiting groove 10 is mounted at the bottom of the movable protective cover 6, wherein one end of the limiting plate 951 is located inside the outer protective shell 5 and is used for limiting the movement of the movable protective cover 6;

concretely, the button baffle 93 acts on and ends the position board 951, make and end the position board 951 and rotate under the effect of rotation post 952, it extrudees spring body 954 to end the position board 951 this moment, its one end is inside and be in outer protection casing 5 at recess 98 simultaneously, it prescribes a limit to the motion of activity protection casing 6 to end the position board 951 this moment, when the staff need adjust saw bit 4 cutting depth, stir the baffle button, make the baffle clamp plate carry out directional slip in spout 111, and notice the position of the corresponding scale cell body 112 of arrow point on the baffle clamp plate, joint piece 114 also is in this position this moment, and then in-process pushes down, stopper 121 on the activity protection casing 6 moves to joint piece 114 contact position, and end the position board 951 and prescribe a limit to activity protection casing 6 one side, so that the spacer pin 122 on the activity protection casing 6 act in spacing cell body 10

As shown in fig. 12, the diagram is a schematic diagram of a seizure phenomenon occurring in the moving process of the movable protective cover 6, where F1 and F2 are acting forces provided by pressing, F is a resultant force of F1 and F2, and M is a moving direction of the movable protective cover 6 in the limit slot body 10, and the principle diagram can be obtained, at this time, a seizure condition easily occurs at the point of the movable protective cover 6, in order to solve the problem, a driving member 14 for providing an auxiliary pushing action to the movement of the movable protective cover 6 is further provided inside the outer protective housing 5, so that when the movable protective cover 6 is stuck, the movable protective cover 6 is caused to perform a directional movement in the limit slot body 10 under the action of the driving member 14;

the driving member 14 in this embodiment includes an annular gear row 141, a connecting member 142, a gear body 143, a transmission gear 144, a column 145, a circular plate body 146, a force application block 147 and a force application block 148, wherein the annular gear row 141 is disposed inside the outer protection casing 5, and a circle center of the annular gear row 141 coincides with a circle center of the circular limiting seat 13 and is fixedly connected to the base body 7 through the connecting member 142; the gear body 143 is disposed on the power mechanism 3 and is rotatably connected to the power mechanism 3; the transmission gear 144 is arranged inside the outer protective shell 5, and is connected with the outer protective shell 5 through a cylinder 145, and the transmission gear 144 is rotatably connected with the cylinder 145, wherein the transmission gear 144 is respectively engaged with the annular gear row 141 and the gear body 143; the circular plate body 146 is arranged on the gear body 143, and the force application block 147 is mounted on the surface of the circular plate body 146; the force-bearing block 148 is mounted on the movable shield 6 and is in the path of movement of the force-applying block 147.

Specifically, when the outer protection casing 5 descends synchronously along with the handle body 2, the annular gear row 141 moves synchronously along with the outer protection casing, the transmission gear 144 is meshed with the gear body 143 to drive the gear body 143 to rotate, and the gear body 143 is connected with the power mechanism 3 in a rotating mode, so that the circular plate body 146 is driven to rotate anticlockwise, the force application block 147 acts on the force application block 148 to enable the movable protection cover 6 to move directionally on the limiting groove body 10 through the limiting pin 122, and the blocking situation is avoided.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a multi-functional mini saw, includes mini saw body (1), mini saw body (1) comprises handle body (2), power unit (3), saw bit (4), outer protection casing (5), activity protection casing (6) and base body (7), its characterized in that:

a micro-motion unit (8) which is arranged in the handle body (2) and is used for controlling the power mechanism (3);

the control component (9) is arranged on the handle body (2) and is used for enabling the power mechanism (3) to drive the saw blade (4) to work by touching a button on the micro-motion unit (8);

a limiting groove body (10) which is arranged on the base body (7) and is used for being in sliding connection with the movable protective cover (6);

the adjusting and controlling component (11) is arranged on the outer protective shell (5) and is used for adjusting the cutting depth of the saw blade (4).

2. The multifunctional mini saw of claim 1, wherein: the control component (9) comprises a key body (91), a key control button (92), a key clapboard (93), a clapboard spring (94) and a stress piece (95),

the key body (91) is arranged on the handle body (2), and the output end of the key body (91) is arranged below the micro-motion unit (8);

the key control button (92) is arranged at one end of the key body (91), a fixing pin (96) which is used for being rotatably connected with the handle body (2) is arranged on the key control button (92), and a convex block (97) is arranged on the key control button (92);

the key separation plate (93) is arranged in the handle body (2) and is in sliding connection with the handle body, wherein a groove (98) used for being matched with the convex block (97) is formed in the key separation plate (93), and the separation plate spring (94) is arranged on the key body (91) and is connected with the key separation plate (93);

the stress piece (95) is arranged inside the handle body (2) and is used for limiting the movable protective cover in the outer protective shell (5) and the limiting groove body (10) through the acting force of the key partition plate (93).

3. The multifunctional mini saw of claim 2, wherein: atress piece (95) is including setting up in the inside position plate (951) that ends of handle body (2), and end and be provided with on position plate (951) and be used for rotating rotation post (952) of being connected with handle body (2), just be provided with draw-in groove (953) on outer protection casing (5), wherein end position plate (951) one end and set up inside draw-in groove (953), wherein end position plate (951) one end is provided with and is used for spring body (954) be connected with handle body (2) inner wall.

4. The multifunctional mini saw of claim 3, wherein: the inner area of the clamping groove (953) is larger than the area of the end part of the stop plate (951).

5. The multifunctional mini saw of claim 1, wherein: regulation and control subassembly (11) including setting up spout (111) on outer protection casing (5), and be provided with scale groove body (112) on outer protection casing (5), wherein be provided with on spout (111) and be used for carrying out sliding connection's baffle group (113) rather than, just be provided with joint piece (114) on baffle group (113), and be provided with on activity protection casing (6) and be used for carrying out locating part (12) controlled saw bit (4) degree of depth through joint piece (114) position.

6. The multifunctional mini saw as claimed in claim 4 or 5, wherein: the limiting part (12) comprises a limiting block (121) arranged on the movable protective cover (6), wherein the clamping block (114) is located on the motion track of the limiting block (121), a limiting pin (122) used for being connected with the limiting groove body (10) in a sliding mode is installed at the bottom of the movable protective cover (6), and the limiting plate (951) is located at the inner portion of the outer protective shell (5) and used for limiting the motion of the movable protective cover (6).

7. The multifunctional mini saw of claim 1, wherein: be provided with circular spacing seat (13) on base body (7), just rotate between outer protection casing (5) tip and circular spacing seat (13) and be connected, wherein handle body (2) carry out fixed connection with outer protection casing (5), power unit (3) set up and are connected in handle body (2) inside and its output and saw bit (4), wherein movable protection casing (6) are connected and are in outside protection casing (5) inside with handle body (2).

8. The multifunctional mini saw of claim 1, wherein: and a driving piece (14) for providing auxiliary pushing action for the action of the movable protective cover (6) is arranged in the outer protective shell (5).

9. The multi-function mini saw as claimed in claim 8, wherein: the driving piece (14) comprises an annular gear row (141), a connecting piece (142), a gear body (143), a transmission gear (144), a column body (145), a circular plate body (146), a force application block (147) and a force bearing block (148),

the annular gear row (141) is arranged in the outer protection shell (5) and is fixedly connected with the base body (7) through the connecting piece (142);

the gear body (143) is arranged on the power mechanism (3) and is rotationally connected with the power mechanism (3);

the transmission gear (144) is arranged in the outer protective shell (5), is connected with the outer protective shell (5) through the column body (145), is in rotary connection with the column body (145), and is meshed with the annular gear row (141) and the gear body (143) respectively;

the circular plate body (146) is arranged on the gear body (143), and the force application block (147) is arranged on the surface of the circular plate body (146);

the force bearing block (148) is arranged on the movable protective cover (6) and is positioned on the motion path of the force application block (147).

10. The multi-function mini saw as claimed in claim 9, wherein: the circle center of the annular gear row (141) is superposed with the circle center of the circular limiting seat (13).