CN220698413U - Manual chain grinder - Google Patents

Abstract

The utility model provides a manual chain grinder, which comprises two handle blocks and is characterized in that a limiting chain grinding structure for grinding a chain is arranged on the two handle blocks; and the handle block and the limiting mill chain structure are provided with a quick assembly disassembly structure for fixing the limiting mill chain structure. When the chain is polished, the chain can be polished without detaching the chain, so that the chain can be polished quickly, and the operation is simple and convenient.

Description

Manual chain grinder

Technical Field

The utility model relates to the technical field of garden tools, in particular to a manual chain grinder.

Background

Logging is the first process of forest logging, also known as logging. Commonly used for felling is a chain type electric saw, the chain of which becomes dull after a period of use, and the chain needs to be polished.

However, when the chain of the existing electric saw needs to be polished, a worker generally needs to detach the chain on the electric saw and then fix the chain on equipment for polishing the chain, so that the chain can be polished, the chain polishing is very troublesome, the chain polishing efficiency is low, the equipment for polishing the chain is expensive, and the polishing cost is too high; in addition, when the worker dismounts the chain, the worker is easily injured by contacting the chain.

Therefore, how to polish the chain rapidly and how to improve the chain polishing efficiency are technical problems to be solved at present.

Disclosure of Invention

The utility model aims to provide a manual chain grinder, which solves the problem that the chain of the conventional electric saw needs to be disassembled and assembled when being ground in the background art, and is very troublesome.

In order to achieve the above purpose, the utility model provides a manual chain grinder, which comprises two handle blocks, and is characterized in that the two handle blocks are provided with a limiting chain grinding structure for grinding a chain; and the handle block and the limiting mill chain structure are provided with a quick assembly disassembly structure for fixing the limiting mill chain structure.

Optionally, the handle block includes a mounting portion and a handle portion; the mounting part is used for mounting the limiting abrasive chain structure; the handle part is used for supporting hands of workers; the quick assembly disassembly structure sets up on installation department and spacing mill chain structure.

Optionally, a groove is formed in the mounting part, and a rectangular mounting frame, a round mounting frame and a trapezoid mounting frame are arranged in the groove; the rectangular mounting frame is positioned at the center of the groove; the outer wall of the circular mounting frame is connected with the inner wall of the groove and the outer wall of the rectangular mounting frame; the trapezoid mounting frame is close to the side walls at two ends of the groove; the limiting abrasive chain structure is arranged in the groove; the mounting part is provided with a matching hole for avoiding the quick assembly disassembly structure.

Optionally, the number of the round mounting frames and the trapezoid mounting frames is two, and the mounting positions are all centrally symmetrical about the center point of the rectangular mounting frame; connecting ribs connected with the inner walls of the grooves are arranged on the rectangular mounting frame and the trapezoid mounting frame; the connecting ribs on the trapezoid mounting frame are provided with avoiding holes which are used for avoiding the quick assembly disassembly structure and are communicated with the matching holes.

Optionally, the spacing mill chain structure includes the spacing file of installing in the rectangle installing frame, installs the cutting edge file in circular installing frame and installs the spacing draw runner in trapezoidal installing frame, is equipped with the spacing hole corresponding with quick assembly disassembly structure on this spacing draw runner.

Optionally, the limiting file is a flat file, and the cutting edge file is a round file; the cross section of the limiting slide bar is isosceles trapezoid.

Optionally, the orthographic projection of the limiting file and the cutting edge file on the longitudinal section of the limiting file is provided with an overlapping part, and the height of the overlapping part is not less than 0.2 millimeter and not more than 2 millimeters.

Optionally, the orthographic projection of the cutting edge file on the top surface of the limiting slide bar is provided with a part overlapped with the top surface of the limiting slide bar, and the height of the part is not less than 0.2 millimeter and not more than 2 millimeters.

Optionally, the quick assembly disassembly structure comprises a mounting groove arranged on the mounting part, an inserting hole arranged on the mounting part and communicated with the mounting groove, a limiting plate movably arranged in the mounting groove, a control plate arranged in the inserting hole, a limiting pin arranged in the limiting hole, a sealing plate arranged at the orifice of the mounting groove and a spring movably arranged in the mounting groove, wherein two ends of the spring are respectively contacted with the sealing plate and the limiting plate; the limiting pin corresponds to the matching hole and the avoiding hole.

Optionally, an arc guide surface is arranged at one end of the limiting plate far away from the spring, and a through hole communicated with the limiting pin is further formed in the limiting plate; the bottom of the control plate is provided with a conical insertion surface, and one side of the control plate facing the limiting plate is provided with a clamping groove corresponding to the limiting plate; the avoidance hole is communicated with the outside of the mounting part; the jack is perpendicular to the slotting direction of the mounting groove in the direction of the jack, and the jack is positioned at the tail end of the mounting groove.

Compared with the prior art, the utility model provides a manual chain grinder, which has the following beneficial effects:

this manual chain grinder, through the setting of spacing chain structure of grinding, when grinding the chain to the chain of electric saw, need not dismantle the chain of electric saw, this chain grinder can be directly handed to the staff, grind the chain through spacing chain structure, and can carry out ascending spacing when polishing, limit the position of chain grinder, ensure that the staff can directly polish the chain, need not dismantle the chain, just can polish the chain, thereby improve and make and polish fast to the chain, easy operation is convenient, need not purchase expensive equipment of polishing, reduce the cost of polishing, and avoided the workman to be injured when dismantling the chain, protect the workman.

The utility model discloses a limiting mill chain structure, wherein need the setting of special explanation, this application through quick assembly disassembly structure can carry out quick dismantlement and installation to limiting mill chain structure, and the staff of being convenient for changes limiting mill chain structure for this mill chain ware can carry out used repeatedly.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

FIG. 2 is a schematic view of the handle block mounting portion of the present utility model.

Fig. 3 is a schematic view of the quick release structure of the present utility model.

Fig. 4 is an enlarged view of a portion of fig. 3 a of the present utility model.

Fig. 5 is a partial enlarged view of the present utility model at B in fig. 3.

Fig. 6 is a schematic structural view of the limiting plate of the present utility model.

Fig. 7 is a schematic structural view of the control board of the present utility model.

FIG. 8 is a schematic dimensional view of the cutting edge file and limiting file, limiting slide of the present utility model.

Fig. 9 is a state diagram of the use of the present utility model.

The marks in the figure are as follows: 1. a handle block; 11. a mounting part; 111. a mating hole; 12. a handle portion; 13. a groove; 131. a rectangular mounting frame; 132. a circular mounting frame; 133. a trapezoidal mounting frame; 135. a connecting rib; 136. avoidance holes; 2. limiting abrasive chain structure; 21. a limiting file; 22. cutting edge file; 23. a limit slide bar; 231. a limiting hole; 3. a quick assembly disassembly structure; 31. a mounting groove; 32. a jack; 33. a limiting plate; 331. a circular arc guide surface; 332. a through hole; 34. a control board; 341. conical insertion surface; 342. a clamping groove; 35. a limiting pin; 36. sealing plate; 37. and (3) a spring.

Detailed Description

The following detailed description is made with reference to the accompanying drawings and detailed description. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly generalized by those skilled in the art without departing from the spirit of the utility model and, therefore, the present utility model is not limited to the specific embodiments disclosed below.

The manual chain grinder can be suitable for occasions such as grinding a chain of a power saw, can be used for other similar application scenes, and is described in detail below.

Referring to fig. 1-9, there is shown a schematic structural view of one embodiment of a manual chain sharpener of the present utility model. The manual chain grinder comprises two handle blocks 1, wherein a limiting chain grinding structure 2 for grinding a chain is arranged on the two handle blocks 1; the handle block 1 and the limit grinding chain structure 2 are provided with a quick dismounting structure 3 for fixing the limit grinding chain structure 2.

According to the chain polishing device, when the chain needs to be polished, the chain does not need to be disassembled, and the chain can be polished directly by the electric saw, so that the trouble of the staff for disassembling the chain is avoided; through the arrangement of the limiting chain grinding structure 2, when a worker grinds the chain, the position of the manual chain grinder is limited, so that the situation that the chain is ground and damaged due to the fact that the position or the angle of the manual chain grinder is not opposite in the manual chain grinding process by the worker is avoided; through the setting of quick assembly disassembly structure 3 for can dismantle spacing mill chain structure 2, prevent that spacing mill chain structure 2 from taking place to break away from with handle piece 1 at the in-process that the workman polished to the chain, avoid because of spacing mill chain structure 2 and handle piece 1 break away from the circumstances that causes the staff to be injured and take place, thereby provide the guarantee to staff's safety, and use for a long time at spacing mill chain structure 2, after the effect of polishing worsened, can dismantle old spacing mill chain structure 2, install new spacing mill chain structure 2 again, thereby make this mill chain ware can carry out used repeatedly.

Referring to fig. 2 and 3, in the present utility model, a handle block 1 includes a mounting portion 11 and a handle portion 12; the mounting part 11 is used for mounting the limit grinding chain structure 2; the handle part 12 is used for supporting the hand of a worker, and the direction of the movement of the chain grinder can be set on the handle part 12; the quick assembly disassembly structure 3 is arranged on the mounting part 11 and the limit grinding chain structure 2; according to the utility model, through the arrangement of the mounting part 11, mounting positions are provided for the limiting abrasive chain structure 2 and the quick assembly disassembly structure 3; by providing the handle portion 12, a handle position is provided for the worker, which is convenient for the worker to push the chain grinder to polish the chain.

Referring to fig. 2 and 3, in the present utility model, a groove 13 is formed on a mounting portion 11, and a rectangular mounting frame 131, a circular mounting frame 132 and a trapezoid mounting frame 133 are formed in the groove 13; wherein the rectangular mounting frame 131 is located at the center position of the recess 13; the outer wall of the circular mounting frame 132 is connected with the inner wall of the groove 13 and the outer wall of the rectangular mounting frame 131; the trapezoidal mounting frames 133 are adjacent to the side walls of the two ends of the groove 13; the limiting abrasive chain structure 2 is arranged in the groove 13; the mounting part 11 is provided with a matching hole 111 for avoiding the quick assembly disassembly structure 3; the rectangular mounting frame 131, the round mounting frame 132 and the trapezoid mounting frame 133 are arranged on the mounting part 11, so that mounting positions are provided for the limiting mill chain structure 2, and the mounting positions of the limiting mill chain structure 2 are limited; through the setting of mating holes 111, dodge quick assembly disassembly structure 3, make quick assembly disassembly structure 3 can fix spacing mill chain structure 2.

Referring to fig. 2 to 5, in the present utility model, the number of the circular mounting frames 132 and the trapezoidal mounting frames 133 is two, and the mounting positions are all center-symmetrical with respect to the center point of the rectangular mounting frame 131; the rectangular mounting frame 131 and the trapezoid mounting frame 133 are provided with connecting ribs 135 connected with the inner wall of the groove 13; the connecting ribs 135 of the trapezoid mounting frame 133 are provided with avoiding holes 136 for avoiding the quick assembly-and-disassembly structure 3 and communicating with the fitting holes 111. The circular mounting frame 132 and the trapezoid mounting frame 133 are centrally symmetrical about the center point of the rectangular mounting frame 131, and the blades on the chain of the electric saw are left and right blades, so that the chain is polished by arranging the two circular mounting frames 132, and the positions of the chain grinder are limited by arranging the two trapezoid mounting frames 133; the positions of the rectangular mounting frame 131 and the trapezoidal mounting frame 133 are supported by the arrangement of the connection ribs 135.

Referring to fig. 1, in the present utility model, a limit abrasive chain structure 2 includes a limit file 21 installed in a rectangular installation frame 131, a cutting edge file 22 installed in a circular installation frame 132, and a limit slide bar 23 installed in a trapezoid installation frame 133, wherein the limit slide bar 23 is provided with a limit hole 231 corresponding to a quick assembly disassembly structure 3; wherein the limiting file 21 is a flat file; the cutting edge file 22 is a round file; the cross section of the limit sliding bar 23 is isosceles trapezoid; according to the utility model, through the arrangement of the limiting file 21, the front end of the blade can be polished while the chain grinder is limited, so that the front end of the blade and the blade edge are simultaneously lowered, and the front end of the blade shields the blade after the blade edge of the blade is lowered after the chain is polished, therefore, the polished blade can be cut by the mode of simultaneously polishing the front end of the blade and the blade edge, and the front end of the blade is not shielded; through the arrangement of the limiting slide bar 23, the position of the chain grinder is limited, and the limiting slide bar 23 is arranged to be isosceles trapezoid in a matched manner, so that the limiting slide bar 23 can be in parallel contact with the back of a blade, and therefore, when a worker polishes a chain, the worker can limit the chain grinder conveniently, and the chain is polished conveniently; by setting the limiting hole 231, the quick assembly disassembly structure 3 can be avoided.

Referring to fig. 8, in the present utility model, the orthographic projection of the limiting file 21 and the cutting edge file 22 on the longitudinal section of the limiting file 21 has a superposition portion, the height of the superposition portion is a, the value range of a is not less than 0.2 mm and not more than 2 mm, the size of the superposition portion is limited, the front end of the blade can be polished by the cutting edge file 22 when the cutting edge of the blade is polished, the front end of the blade is ensured not to shade the cutting edge, and the polished cutting edge can be continuously felled; the orthographic projection of the cutting edge file 22 on the top surface of the limit slide bar 23 is provided with a part overlapped with the top surface of the limit slide bar, the height of the part is b, the value range of b is not less than 0.2 millimeter and not more than 2 millimeters, and the limit slide bar 23 is also contacted with the back of a knife after the limit file 21 and the cutting edge file 22 are contacted with the knife blade by limiting the size of the overlapped part.

Referring to fig. 1, 3-7, in the present utility model, the quick assembly disassembly structure 3 includes a mounting groove 31 provided on a mounting portion 11, an insertion hole 32 provided on the mounting portion 11 and communicating with the mounting groove 31, a limiting plate 33 movably installed in the mounting groove 31, a control plate 34 installed in the insertion hole 32, a limiting pin 35 installed in the limiting hole 231, a sealing plate 36 installed at an orifice of the mounting groove 31, and a spring 37 movably installed in the mounting groove 31, both ends of the spring 37 being respectively in contact with the sealing plate 36 and the limiting plate 33; the stopper pin 35 corresponds to the fitting hole 111 and the escape hole 136. The utility model provides conditions for the installation of the limiting plate 33 through the arrangement of the installation groove 31; providing conditions for the installation of the control board 34 by the arrangement of the jack 32; the position of the limit slide bar 23 is limited by the arrangement of the limit pin 35; the movement of the limiting plate 33 is controlled through the arrangement of the spring 37, and a power source for the movement of the limiting plate 33 is provided; by providing the sealing plate 36, the position of the spring 37 is defined, and the spring 37 is prevented from sliding out of the mounting groove 31.

Referring to fig. 3-7, in the present utility model, an arc guiding surface 331 is provided on one end of the limiting plate 33 away from the spring 37, and a through hole 332 communicating with the limiting pin 35 is further provided on the limiting plate 33; the bottom of the control plate 34 is provided with a conical inserting surface 341, and one side of the control plate 34 facing the limiting plate 33 is provided with a clamping groove 342 corresponding to the limiting plate 33; the escape hole 136 communicates with the outside of the mounting portion 11; the jack 32 is positioned at the tail end of the mounting groove 31, and the direction of the opening of the jack 32 is perpendicular to the direction of the opening of the mounting groove 31; according to the utility model, through the arrangement of the arc guide surface 331 and the matching of the conical insertion surface 341, after the control board 34 is inserted, the limit board 33 is pushed to move towards the direction of the spring 37, and the spring 37 is extruded; through the setting of draw-in groove 342, the connection to limiting plate 33 and control panel 34 is spacing, and circular arc guide surface 331 is gone up in the cooperation for can extract control panel 34 through external force, after control panel 34 pulls out, spring 37 promotes limiting plate 33, makes through-hole 332 on the limiting plate 33 be linked together with spacing hole 231, and locating pin 35 can follow dodge the hole 136 roll-off, cancels the spacing to spacing draw-out 23.

Referring to fig. 1-9, the novel use process comprises the following steps:

placing the cutting edge file 22 in the limiting grinding chain structure 2 at the cutting edge of the chain, enabling the limiting file 21 to be in contact with the top of the front end of the blade of the chain, enabling the limiting slide bar 23 to be in contact with the back of the blade, and enabling a worker to push the chain grinder along a specified direction; and after the cutting edge of the blade is polished, polishing the cutting edge of the next blade by the same method.

When the chain grinder is used for a long time and the limiting file 21 and the cutting edge file 22 in the limiting chain grinder structure need to be replaced, the specific operation is as follows:

the staff pulls out the control panel 34 from the jack 32, in the pulling-out process, the arc guide surface 331 continuously moves along with the groove surface of the clamping groove 342, the spring 37 is continuously compressed until the limiting plate 33 is separated from the clamping groove 342, then the control panel 34 is completely pulled out of the jack 32, at the moment, the limiting plate 33 is not limited by the extrusion of the control panel 34 any more, the spring 37 pushes the control panel 34 to move, the through hole 332 is communicated with the matching hole 111, the avoiding hole 136 and the limiting hole 231, at the moment, the limiting pin 35 can slide out of the through hole 332, limiting of the limiting slide bar 23 is canceled, at the moment, the two handle blocks 1 can be separated from the limiting abrasive chain structure 2, and at the moment, replacement is completed; after the replacement is completed, the limiting pin 35 is inserted into the limiting hole 231 of the limiting slide bar 23, and then the control board 34 is inserted into the jack 32.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims (10)

1. The manual chain grinder comprises two handle blocks (1), and is characterized in that a limiting chain grinding structure (2) for grinding a chain is arranged on the two handle blocks (1); the handle block (1) and the limiting mill chain structure (2) are provided with a quick assembly disassembly structure (3) for fixing the limiting mill chain structure (2).

2. The manual chain sharpener according to claim 1, wherein the handle block (1) includes a mounting portion (11) and a handle portion (12); the mounting part (11) is used for mounting the limiting abrasive chain structure (2); the handle part (12) is used for supporting the hands of a worker; the quick assembly disassembly structure (3) is arranged on the installation part (11).

3. The manual chain grinder according to claim 2, wherein the mounting portion (11) is provided with a groove (13), and a rectangular mounting frame (131), a circular mounting frame (132) and a trapezoid mounting frame (133) are arranged in the groove (13); the rectangular mounting frame (131) is positioned at the center of the groove (13); the outer wall of the circular mounting frame (132) is connected with the inner wall of the groove (13) and the outer wall of the rectangular mounting frame (131); the trapezoid mounting frames (133) are close to the side walls at two ends of the groove (13); the limiting abrasive chain structure (2) is arranged in the groove (13); the mounting part (11) is provided with a matching hole (111) for avoiding the quick assembly disassembly structure (3).

4. A manual chain sharpener according to claim 3, wherein the number of circular mounting frames (132) and trapezoidal mounting frames (133) is two, and the mounting positions are each centrally symmetrical about a center point of the rectangular mounting frame (131); connecting ribs (135) connected with the inner wall of the groove (13) are arranged on the rectangular mounting frame (131) and the trapezoid mounting frame (133); and an avoidance hole (136) which is used for avoiding the quick assembly disassembly structure (3) and is communicated with the matching hole (111) is arranged on the connecting rib (135) on the trapezoid mounting frame (133).

5. A manual chain sharpener according to claim 3, characterized in that the limit chain sharpening structure (2) comprises a limit file (21) mounted in a rectangular mounting frame (131), a cutting edge file (22) mounted in a circular mounting frame (132) and a limit slide bar (23) mounted in a trapezoid mounting frame (133), the limit slide bar (23) being provided with a limit hole (231) providing a limit basis with the quick detachable structure (3) and corresponding to the mating hole (111).

6. The manual chain sharpener according to claim 5, wherein the limit files (21) are flat files; the cutting edge file (22) is a round file; the cross section of the limiting slide bar (23) is isosceles trapezoid.

7. The manual chain sharpener according to claim 6, wherein the orthographic projection of the limiting file (21) and the cutting edge file (22) on the longitudinal section of the limiting file (21) has an overlapping portion, the height of which is not less than 0.2 mm and not more than 2 mm.

8. The manual chain sharpener according to claim 6, wherein the orthographic projection of the cutting edge file (22) on the top surface of the limit slide (23) has a portion overlapping with the top surface of the limit slide, the height of the portion being not less than 0.2 mm and not more than 2 mm.

9. The manual chain grinder according to any one of claims 1 to 5, wherein the quick-release structure (3) includes a mounting groove (31) provided on the mounting portion (11), an insertion hole (32) provided on the mounting portion (11) in communication with the mounting groove (31), a stopper plate (33) movably mounted in the mounting groove (31), a control plate (34) mounted in the insertion hole (32), a stopper pin (35) mounted in the stopper hole (231), a sealing plate (36) mounted at an orifice of the mounting groove (31), and a spring (37) movably mounted in the mounting groove (31), both ends of the spring (37) being in contact with the sealing plate (36) and the stopper plate (33), respectively; the limiting pin (35) corresponds to the matching hole (111) and the avoiding hole (136).

10. The manual chain grinder according to claim 9, wherein an arc guide surface (331) is provided at an end of the limiting plate (33) away from the spring (37), and a through hole (332) communicating with the limiting pin (35) is further provided on the limiting plate (33); the bottom of the control plate (34) is provided with a conical inserting surface (341), and one side of the control plate (34) facing the limiting plate (33) is provided with a clamping groove (342) corresponding to the limiting plate (33); the avoidance hole (136) is communicated with the outside of the mounting part (11); the insertion holes (32) are positioned at the tail ends of the mounting grooves (31), and the opening directions of the insertion holes (32) are perpendicular to the opening directions of the mounting grooves (31).