Multipurpose variable-angle hand saw

Abstract

The utility model discloses a multipurpose variable-angle handsaw, which relates to the technical field of handsaws and comprises a handle, and an adjusting component is arranged at one end of the handle. The adjusting assembly comprises a mounting plate, a rotating disc, a fixing gear ring, a lead screw, a limiting rod, a fixing plate and a fixing rack, the mounting plate is fixedly mounted at one end of the handle, the rotating disc is rotatably mounted on one side of the mounting plate, the fixing gear ring is fixedly mounted at one end of the rotating disc, and the lead screw is fixedly mounted on the fixing plate. The lead screw and the limiting rod are installed on the installation plate in a sliding mode, the fixing plate is fixedly installed at one end corresponding to the lead screw and the limiting rod, and the fixing rack is fixedly installed on one side of the fixing plate. According to the technical scheme, by arranging the adjusting assembly, the angle between the handle and the saw blade can be adjusted by rotating the rotating disc, when the hand saw is used, the angle between the handle and the saw blade can be finely adjusted according to personal using habits, and the using comfort of the hand saw is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of hand saws, in particular to a multi-purpose variable-angle hand saw. Background Art

[0002] A hand saw is a manual tool for cutting and is one of the commonly used tools for carpenters on construction sites. It consists of a frame bow and a saw blade. According to the scope of application, it can be divided into woodworking saws, garden saws, carving saws, etc., and is usually used to process wooden objects such as wood boards. The saw blade of a hand saw today is fixed to the frame bow by bolts, rivets, etc., and the angle between the saw blade and the handle is fixed, which cannot adapt well to the usage habits of different people and affects the comfort of use. Utility Model Content

[0003] The technical problem to be solved by the present invention is to overcome the deficiencies of the prior art and provide a multi-purpose variable angle hand saw to solve the problem that the prior art cannot adapt well to the usage habits of different people and affects the comfort of use.

[0004] In view of this, the utility model provides a multi-purpose variable angle hand saw, comprising a handle, one end of which is provided with an adjustment assembly;

[0005] The adjustment assembly includes a mounting plate, a rotating disk, a fixed gear ring, a screw rod, a limit rod, a fixed plate and a fixed rack. The mounting plate is fixedly mounted on one end of the handle, the rotating disk is rotatably mounted on one side of the mounting plate, the fixed gear ring is fixedly mounted on one end of the rotating disk, the screw rod and the limit rod are slidably mounted on the mounting plate, the fixed plate is fixedly mounted on one end corresponding to the screw rod and the limit rod, and the fixed rack is fixedly mounted on one side of the fixed plate.

[0006] Optionally, four movable holes are opened on one side of the mounting plate, and the movable holes are evenly located at four corners of the mounting plate.

[0007] Optionally, the screw rod and the limiting rod are symmetrically distributed on the mounting plate.

[0008] Optionally, a first nut is threadedly connected to an outer wall of the screw rod, and the first nut and the fixing plate are respectively located on both sides of the mounting plate.

[0009] Optionally, a rotation groove is opened on one side of the mounting plate, and the rotating disk is rotatably mounted on the wall of the rotation groove.

[0010] Optionally, the fixed gear ring is located at the edge of one end of the rotating disk, and the fixed rack is engaged with the fixed gear ring.

[0011] Optionally, a mounting frame is fixedly mounted on one end of the rotating disk, a plurality of first mounting holes are opened on one side of the mounting frame, and a saw blade is provided on the inner wall of the mounting frame.

[0012] Optionally, a fixing pad is provided on the inner wall of the mounting frame, and the fixing pad is located between the inner wall of the mounting frame and the saw blade.

[0013] Optionally, a second mounting hole is opened on one side of the fixing pad, and a third mounting hole is opened on one side of the saw blade, and the positions of the first mounting hole, the second mounting hole and the third mounting hole correspond to each other.

[0014] Optionally, a bolt is provided on the inner wall of the first mounting hole on the mounting frame, the bolt passes through the first mounting hole, the second mounting hole and the outer wall of one end of the third mounting hole and is threadedly connected to a second nut, and a fixing tube is provided on the outer wall of the bolt.

[0015] It can be seen from the above technical solutions that the embodiments of the present invention have the following advantages:

[0016] 1. The utility model is a multi-purpose variable angle hand saw. By setting an adjustment component, the angle between the handle and the saw blade can be adjusted by rotating the rotating disk. When using the hand saw, the angle between the handle and the saw blade can be fine-tuned according to personal usage habits, thereby increasing the comfort of using the hand saw.

[0017] 2. The utility model is a multi-purpose variable angle hand saw. By setting a fixing pad to fill between the mounting frame and the saw blade, and a fixing tube to fill between the bolt and the first mounting hole, the second mounting hole, and the third mounting hole, the connection between the saw blade and the mounting frame is more stable.

[0018] These features and advantages of the present invention will be disclosed in detail in the following specific embodiments and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present invention will be further described below with reference to the accompanying drawings:

[0020] Figure 1 This is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is the installation diagram of the saw blade of the utility model;

[0022] Figure 3 This is the installation diagram of the screw rod and the limit rod of the utility model;

[0023] Figure 4 This is a cross-sectional view of the mounting plate of the utility model.

[0024] Explanation of the accompanying drawings: 1. Handle; 2. Mounting plate; 3. Rotating disk; 4. Fixed gear ring; 5. Moving hole; 6. Screw rod; 7. First nut; 8. Fixed plate; 9. Fixed rack; 10. Limiting rod; 11. Mounting frame; 12. Fixed pad; 13. Fixed cylinder; 14. Bolt; 15. Second nut; 16. Saw blade. DETAILED DESCRIPTION

[0025] The following is an explanation and description of the technical solutions of the embodiments of the present invention in conjunction with the drawings of the embodiments of the present invention, but the following embodiments are only preferred embodiments of the present invention and are not exhaustive. Based on the embodiments in the embodiments, other embodiments obtained by those skilled in the art without creative work are all within the scope of protection of the present invention.

[0026] A multi-purpose variable angle hand saw according to an embodiment of the present invention will be described in detail below with reference to the accompanying drawings.

[0027] Example 1

[0028] For easier understanding, see Figures 1 to 4 The utility model provides an embodiment of a multi-purpose variable-angle hand saw, comprising a handle 1, one end of which is provided with an adjustment assembly; the adjustment assembly comprises a mounting plate 2, a rotating disk 3, a fixed gear ring 4, a screw rod 6, a limit rod 10, a fixed plate 8 and a fixed rack 9, the mounting plate 2 is fixedly mounted on one end of the handle 1, the rotating disk 3 is rotatably mounted on one side of the mounting plate 2, the fixed gear ring 4 is fixedly mounted on one end of the rotating disk 3, the screw rod 6 and the limit rod 10 are slidably mounted on the mounting plate 2, the fixed plate 8 is fixedly mounted on one end of the corresponding screw rod 6 and the limit rod 10, and the fixed rack 9 is fixedly mounted on one side of the fixed plate 8.

[0029] It should be noted that, by setting an adjustment component, the angle between the handle 1 and the saw blade 16 can be adjusted by rotating the rotating disk 3. When using the hand saw, the angle between the handle 1 and the saw blade 16 can be fine-tuned according to personal usage habits, thereby increasing the comfort of using the hand saw; by setting the screw rod 6 and the first nut 7, the fixed plate 8 can be driven to move, by setting the rotating disk 3, the mounting frame 11 can be driven to rotate, by setting the fixed rack 9 and the fixed gear ring 4, the rotating disk 3 can be fixed, and by setting the mounting frame 11, the saw blade 16 can be installed.

[0030] In some embodiments, as Figure 3 As shown, four movable holes 5 are opened on one side of the mounting plate 2, and the movable holes 5 are evenly located at the four corners of the mounting plate 2. The screw rod 6 and the limit rod 10 are symmetrically distributed on the upper and lower parts of the mounting plate 2. The outer wall of the screw rod 6 is threadedly connected with a first nut 7, and the first nut 7 and the fixing plate 8 are respectively located on both sides of the mounting plate 2.

[0031] It should be noted that, by screwing the first nut 7, the first nut 7 is rotated on the screw rod 6, and the first nut 7 is pressed on one side of the mounting plate 2, the screw rod 6 can be moved in the movable hole 5, so that the screw rod 6 drives the fixed plate 8 to move. By setting the limit rod 10, the fixed plate 8 is limited when the fixed plate 8 moves, so that the fixed plate 8 does not rotate.

[0032] In some embodiments, as Figure 3 As shown, a rotating groove is opened on one side of the mounting plate 2, and the rotating disk 3 is rotatably mounted on the wall of the rotating groove. The fixed gear ring 4 is located at the edge of one end of the rotating disk 3, and the fixed rack 9 is engaged with the fixed gear ring 4.

[0033] It should be noted that, when the fixed plate 8 moves close to the rotating disk 3 , the fixed rack 9 on the fixed plate 8 can be clamped on the fixed gear ring 4 to fix the rotating disk 3 .

[0034] Example 2

[0035] In some embodiments, as Figure 2 As shown, a mounting frame 11 is fixedly mounted at one end of the rotating disk 3, a plurality of first mounting holes are provided on one side of the mounting frame 11, a saw blade 16 is provided on the inner wall of the mounting frame 11, a fixing pad 12 is provided on the inner wall of the mounting frame 11, the fixing pad 12 is located between the inner wall of the mounting frame 11 and the saw blade 16, a second mounting hole is provided on one side of the fixing pad 12, a third mounting hole is provided on one side of the saw blade 16, the positions of the first mounting hole, the second mounting hole and the third mounting hole correspond to each other, a bolt 14 is provided on the inner wall of the first mounting hole on the mounting frame 11, the bolt 14 passes through the outer wall of one end of the first mounting hole, the second mounting hole and the third mounting hole and is threadedly connected to a second nut 15, and a fixing cylinder 13 is provided on the outer wall of the bolt 14.

[0036] It should be noted that the fixing pad 12 can be a U-shaped rubber pad, and the fixing tube 13 can be a rubber tube. By setting the fixing pad 12 to fill between the mounting frame 11 and the saw blade 16, and the fixing tube 13 to fill between the bolt 14 and the first mounting hole, the second mounting hole, and the third mounting hole, the connection between the saw blade 16 and the mounting frame 11 is more stable.

[0037] In this embodiment, the saw blade 16 is designed to be detachable, and saw blades 16 of different sizes can be replaced according to usage, so that the hand saw can be used in more scenarios.

[0038] Working principle: When using a hand saw, the fixing pad 12 is inserted into the inner wall of the mounting frame 11, the saw blade 16 is inserted into the fixing pad 12, the fixing tube 13 is inserted into the first mounting hole, the second mounting hole and the third mounting hole, and then the bolt 14 is inserted into the fixing tube, and the second nut 15 is screwed on to fix the saw blade, and the rotating disk 3 is rotated to adjust the angle between the handle 1 and the saw blade 16, and then the first nut 7 is screwed to make the first nut 7 rotate on the screw rod 6. The first nut 7 is pressed on one side of the mounting plate 2, which can make the screw rod 6 move in the moving hole 5, so that the screw rod 6 drives the fixed plate 8 to move, and the fixed plate 8 moves close to the rotating disk 3. The fixed rack 9 on the fixed plate 8 is stuck on the fixed gear ring 4 to fix the rotating disk 3.

[0039] As described above, the above embodiments are only used to illustrate the technical solutions of the present application, rather than to limit them. Although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the above embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present application.

Claims

1. A multi-purpose variable angle hand saw, characterized by: It comprises a handle (1), one end of which is provided with an adjustment component; The adjustment assembly comprises a mounting plate (2), a rotating disk (3), a fixed gear ring (4), a screw rod (6), a limiting rod (10), a fixed plate (8) and a fixed rack (9), wherein the mounting plate (2) is fixedly mounted on one end of the handle (1), the rotating disk (3) is rotatably mounted on one side of the mounting plate (2), the fixed gear ring (4) is fixedly mounted on one end of the rotating disk (3), the screw rod (6) and the limiting rod (10) are slidably mounted on the mounting plate (2), the fixed plate (8) is fixedly mounted on one end corresponding to the screw rod (6) and the limiting rod (10), and the fixed rack (9) is fixedly mounted on one side of the fixed plate (8).

2. The multi-purpose variable angle hand saw according to claim 1, characterized in that: Four movable holes (5) are provided on one side of the mounting plate (2), and the movable holes (5) are evenly located at the four corners of the mounting plate (2).

3. The multi-purpose variable angle hand saw according to claim 1, characterized in that: The screw rod (6) and the limiting rod (10) are respectively symmetrically distributed on the mounting plate (2) in the upper and lower parts.

4. The multi-purpose variable angle hand saw according to claim 1, characterized in that: The outer wall of the screw rod (6) is threadedly connected to a first nut (7), and the first nut (7) and the fixing plate (8) are respectively located on both sides of the mounting plate (2).

5. The multi-purpose variable angle hand saw according to claim 1, characterized in that: A rotation groove is provided on one side of the mounting plate (2), and the rotating disk (3) is rotatably mounted on the wall of the rotation groove.

6. The multi-purpose variable angle hand saw according to claim 1, characterized in that: The fixed gear ring (4) is located at the edge of one end of the rotating disk (3), and the fixed rack (9) is meshed with the fixed gear ring (4).

7. The multi-purpose variable angle hand saw according to claim 1, characterized in that: A mounting frame (11) is fixedly mounted on one end of the rotating disk (3), a plurality of first mounting holes are opened on one side of the mounting frame (11), and a saw blade (16) is arranged on the inner wall of the mounting frame (11).

8. The multi-purpose variable angle hand saw according to claim 7, characterized in that: A fixing pad (12) is provided on the inner wall of the installation frame (11), and the fixing pad (12) is located between the inner wall of the installation frame (11) and the saw blade (16).

9. The multi-purpose variable angle hand saw according to claim 8, characterized in that: A second mounting hole is provided on one side of the fixing pad (12), and a third mounting hole is provided on one side of the saw blade (16), wherein the first mounting hole, the second mounting hole and the third mounting hole are positioned correspondingly.

10. The multi-purpose variable angle hand saw according to claim 9, characterized in that: A bolt (14) is provided on the inner wall of the first mounting hole on the mounting frame (11); the bolt (14) passes through the outer wall of the first mounting hole, the second mounting hole and the third mounting hole and is threadedly connected to a second nut (15); and a fixing cylinder (13) is provided on the outer wall of the bolt (14).

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