Foldable portable mini hacksaw

Abstract

The utility model discloses a foldable portable mini hacksaw, which relates to the field of manufacturing of mechanical tools and comprises a saw frame, a bearing barrel is inserted into a lower opening of the saw frame, two sides of the bearing barrel are provided with clamping grooves, handles are inserted into two sides of the saw frame, opposite ends of the two handles are fixedly connected with baffles, and the baffles are fixedly connected with the clamping grooves. The opposite ends of the two baffles are fixedly connected with abutting blocks, the sizes of the abutting blocks are matched with the sizes of the clamping grooves, and the opposite faces of the two baffles are fixedly connected with a set of first springs. According to the steel saw, the containing barrel is arranged, after the steel saw is used, a saw blade can be detached and placed in the containing barrel, the situation that the saw blade is exposed to the outside, people touch the saw blade by mistake and hurt the body is avoided, saw blades of different lengths can be placed in the barrel, and when the steel saw is used under different conditions, the saw blade can be placed in the containing barrel according to scenes. Replacing the saw blade.

Description

Technical Field

[0001] The utility model relates to the field of mechanical tool manufacturing, in particular to a foldable portable mini hacksaw. Background Art

[0002] A hacksaw consists of a saw frame and a saw blade. The saw blade is installed on the saw frame when in use. Generally, the saw blade is installed with the tooth tip facing forward. However, if you find that the teeth are easy to adze during use, install it with the tooth tip facing you. This can relieve the adze and extend the service life of the saw blade. After using the hacksaw, the saw blade should be removed or the tension nut should be loosened. This can prevent the saw frame from deforming, thereby extending the service life of the saw frame. At present, the saw frame of the hacksaw is relatively large after use, which is inconvenient to carry. The saw teeth are also easy to accidentally touch and hurt people. There is an urgent need for a foldable mini hacksaw.

[0003] After searching, the applicant found that a Chinese patent disclosed "a foldable portable mini hacksaw" with a publication (announcement) number of "CN217913190U". The patent mainly provides a connection plate, an L-shaped mounting seat, a reserved groove and a movable plate. When the hacksaw is used, the movable plate is folded to the right inside the reserved groove, so that the movable plate can be stored in the reserved groove, thereby reducing the space occupied by the hacksaw and making it convenient to carry the hacksaw outside.

[0004] The device in the above patent can be folded to a certain extent after the hacksaw is used, especially the saw frame can be folded, but the saw blade still needs to be placed separately, resulting in the risk of accidental touch by the staff during carrying, causing harm to personnel. Utility Model Content

[0005] The purpose of the utility model is to provide a foldable portable mini hacksaw to solve the problem of the device in the above patent proposed in the above background technology. After the hacksaw is used, it can be folded to a certain extent, especially the saw frame can be folded, but the saw blade still needs to be placed separately, resulting in the risk of accidental touch by the staff during carrying, causing harm to the personnel.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a foldable and portable mini hacksaw, comprising a saw frame, a receiving barrel is inserted into the lower opening of the saw frame, and slots are provided on both sides of the receiving barrel, and handles are inserted into both sides of the saw frame, and baffles are fixedly connected to the opposite ends of the two handles, and interference blocks are fixedly connected to the opposite ends of the two baffles, and the size of the interference blocks is adapted to the size of the slots, and a group of first springs are fixedly connected to the opposite sides of the two baffles, and the ends of the two groups of first springs away from the baffles are fixedly connected to the inner wall of the saw frame.

[0007] Preferably, a bending rod is rotatably connected to a notch at one end of the saw frame, and a semicircular gear is fixedly connected to an end of the bending rod close to the saw frame.

[0008] Preferably, a slide groove is provided on the top surface of the saw frame, a push plate is slidably connected to the inside of the slide groove, a third spring is fixedly connected to one side of the push plate, and one end of the third spring away from the push plate is fixedly connected to the inner wall of the slide groove.

[0009] Preferably, a side of the push plate away from the third spring is fixedly connected with a sector-shaped toothed plate, and teeth on one side of the sector-shaped toothed plate are matched with one side of the semicircular gear.

[0010] Preferably, an L-shaped support rod is slidably connected inside the bending rod, and a top surface of the L-shaped support rod is provided with a plurality of circular grooves.

[0011] Preferably, a movable plate is provided on the top surface of the bending rod, a pull ring is fixedly connected to the top surface of the movable plate, a group of second springs are fixedly connected to the bottom surface of the movable plate, an insertion rod is fixedly connected to the bottom surface of the movable plate, and the insertion rod passes through the top surface of the bending rod and is inserted into the inside of the circular groove.

[0012] Preferably, a fixing plate is fixedly connected to the bottom end of the saw frame, and a positioning plate is provided on the opposite side of the fixing plate and the L-shaped support rod, and one side of the two positioning plates is fixedly connected to a fixing rod, a rack is provided between the two fixing rods, and the two fixing rods are inserted into the circular holes at both ends of the rack.

[0013] Preferably, an adjusting bolt is provided on the opposite side of the L-shaped support rod and the fixed plate, and the interiors of the two adjusting bolts are threadedly connected with screw rods, the two screw rods respectively penetrate the L-shaped support rod and the fixed plate, and the end away from the adjusting bolt is threadedly connected to the positioning plate, and a handle is fixedly connected to one end of the saw frame.

[0014] Technical effects and advantages of the utility model:

[0015] 1. The utility model provides a receiving barrel. After using the hacksaw, the saw blade can be removed and placed in the receiving barrel to prevent the saw blade from being exposed to the outside and causing accidental touch by personnel, resulting in physical injury. Secondly, saw blades of different lengths can be placed in the barrel. When faced with different usage situations, the saw blade can be replaced according to the scene.

[0016] 2. The utility model provides the cooperation of the handle, the baffle, the resistance block and the first spring. When the receiving barrel needs to be removed, the handle only needs to be pulled to drive the baffle so that the resistance block is separated from the receiving barrel, and the receiving barrel can be taken out, thereby facilitating the removal of the saw blade. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1It is a three-dimensional structural schematic diagram of the utility model.

[0018] Figure 2 It is a schematic diagram of the rotating plate structure of the utility model.

[0019] Figure 3 It is a schematic diagram of the structure of the handle part of the utility model.

[0020] Figure 4 It is a schematic diagram of the structure of the holding barrel of the utility model.

[0021] Figure 5 It is a schematic diagram of the front cross-sectional structure of the saw frame of the utility model.

[0022] In the figure: 1. saw frame; 2. supporting barrel; 3. handle; 4. baffle; 5. first spring; 6. resistance block; 7. slot; 8. slide; 9. push plate; 10. semicircular gear; 11. bending rod; 13. L-shaped support rod; 14. circular groove; 15. adjusting bolt; 16. screw rod; 17. fixing rod; 18. positioning plate; 19. rack; 20. fixing plate; 21. movable plate; 22. pull ring; 23. second spring; 24. fan-shaped tooth plate; 25. third spring; 26. handle. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] The utility model provides Figure 1-5 A foldable portable mini hacksaw is shown, comprising a saw frame 1, a receiving barrel 2 is inserted into the lower opening of the saw frame 1, and slots 7 are provided on both sides of the receiving barrel 2, handles 3 are inserted into both sides of the saw frame 1, and baffles 4 are fixedly connected to the opposite ends of the two handles 3, and a resistance block 6 is fixedly connected to the opposite ends of the two baffles 4, and the size of the resistance block 6 is adapted to the size of the slot 7, and a group of first springs 5 ​​is fixedly connected to the opposite sides of the two baffles 4, and the ends of the two groups of first springs 5 ​​away from the baffles 4 are fixedly connected to the inner wall of the saw frame 1.

[0025] like Figure 1As shown, a bending rod 11 is rotatably connected to a notch at one end of the saw frame 1, a semicircular gear 10 is fixedly connected to the end of the bending rod 11 close to the saw frame 1, an L-shaped support rod 13 is slidably connected inside the bending rod 11, and a plurality of circular grooves 14 are provided on the top surface of the L-shaped support rod 13, and the length of the L-shaped support rod 13 can be adjusted through the plurality of circular grooves 14, and then fixed.

[0026] like Figure 1 As shown, a fixing plate 20 is fixedly connected to the bottom end of the saw frame 1, and a positioning plate 18 is provided on the opposite side of the fixing plate 20 and the L-shaped support rod 13. A fixing rod 17 is fixedly connected to one side of the two positioning plates 18, and a rack 19 is provided between the two fixing rods 17. The two fixing rods 17 are inserted into the circular holes at both ends of the rack 19, thereby fastening and tightening the rack 19.

[0027] like Figure 1 As shown, an adjusting bolt 15 is provided on the opposite side of the L-shaped support rod 13 and the fixed plate 20, and the interiors of the two adjusting bolts 15 are threadedly connected with screws 16, and the two screws 16 respectively penetrate the L-shaped support rod 13 and the fixed plate 20, and the end away from the adjusting bolt 15 is threadedly connected to the positioning plate 18, and a handle 26 is fixedly connected to one end of the saw frame 1, which facilitates the use and carrying of the hacksaw.

[0028] like Figure 5 As shown, a slide groove 8 is provided on the top surface of the saw frame 1, a push plate 9 is slidably connected inside the slide groove 8, a third spring 25 is fixedly connected to one side of the push plate 9, and one end of the third spring 25 away from the push plate 9 is fixedly connected to the inner wall of the slide groove 8.

[0029] like Figure 1 and Figure 2 As shown, a movable plate 21 is provided on the top surface of the bending rod 11, a pull ring 22 is fixedly connected to the top surface of the movable plate 21, a group of second springs 23 is fixedly connected to the bottom surface of the movable plate 21, an insertion rod is fixedly connected to the bottom surface of the movable plate 21, and the insertion rod passes through the top surface of the bending rod 11 and is inserted into the inside of the circular groove 14.

[0030] like Figure 1 and Figure 5 As shown, a side of the push plate 9 away from the third spring 25 is fixedly connected with a sector tooth plate 24 , and teeth on one side of the sector tooth plate 24 match with a side of the semicircular gear 10 , so that the angle of the semicircular gear 10 can be fixed by the sector tooth plate 24 .

[0031] Working principle of the utility model: when the utility model is in use, first take out the receiving barrel 2, take out the appropriate rack 19 according to the use scenario, first pull the two handles 3, and drive the baffle 4 to move through the movement of the handles 3, and drive the abutment block 6 to move through the movement of the baffle 4, so that the two abutment blocks 6 are separated from the card slot 7, take out the receiving barrel 2, and then take out racks 19 of different lengths from the receiving barrel 2, and then install the rack 19, first install the circular hole at one end of the rack 19 in the fixed rod 17 on one side of the fixed plate 20, and then adjust the length of the L-shaped support rod 13, first pull the pull ring 22 so that the pull ring 22 drives the moving plate 21 to move, and drive the plug rod under the moving plate 21 to separate from the circular groove 14 through the moving plate 21, and then adjust the length of the L-shaped support rod 13, and finally install the circular hole at the other end of the rack 19 in another fixed rod 17, and finally adjust the tightness of the rack 19 by screwing the adjusting bolt 15, and then it can be used;

[0032] When the bending rod 11 is folded after use, first pull the pull ring 22 to retract the L-shaped support rod 13 into the inside of the bending rod 11, then push the push plate 9 to separate the fan-shaped tooth plate 24 from the semicircular gear 10, and then fold the bending rod 11 downward, finally release the push plate 9 to fix the folding angle, and the folding is completed. The utility model highlights the innovative structure and does not elaborate on the prior art.

[0033] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A foldable portable mini hacksaw, comprising a saw frame (1), characterized in that: A receiving barrel (2) is inserted into the lower opening of the saw frame (1), and slots (7) are provided on both sides of the receiving barrel (2). Handles (3) are inserted into both sides of the saw frame (1), and baffles (4) are fixedly connected to the opposite ends of the two handles (3). A resistance block (6) is fixedly connected to the opposite ends of the two baffles (4), and the size of the resistance block (6) is matched with the size of the slot (7). A group of first springs (5) are fixedly connected to the opposite sides of the two baffles (4), and the ends of the two groups of the first springs (5) away from the baffles (4) are fixedly connected to the inner wall of the saw frame (1).

2. A foldable portable mini hacksaw according to claim 1, characterized in that: A bending rod (11) is rotatably connected to a notch at one end of the saw frame (1), and a semicircular gear (10) is fixedly connected to one end of the bending rod (11) close to the saw frame (1).

3. The foldable portable mini hacksaw according to claim 1, characterized in that: The top surface of the saw frame (1) is provided with a slide groove (8), the interior of the slide groove (8) is slidably connected to a push plate (9), one side of the push plate (9) is fixedly connected to a third spring (25), and one end of the third spring (25) away from the push plate (9) is fixedly connected to the inner wall of the slide groove (8).

4. The foldable portable mini hacksaw according to claim 3, characterized in that: A side of the push plate (9) away from the third spring (25) is fixedly connected to a sector-shaped toothed plate (24), and teeth on one side of the sector-shaped toothed plate (24) are matched with one side of the semicircular gear (10).

5. The foldable portable mini hacksaw according to claim 2, characterized in that: An L-shaped support rod (13) is slidably connected inside the bending rod (11), and a plurality of circular grooves (14) are formed on the top surface of the L-shaped support rod (13).

6. The foldable portable mini hacksaw according to claim 2, characterized in that: The top surface of the bending rod (11) is provided with a movable plate (21), the top surface of the movable plate (21) is fixedly connected to a pull ring (22), the bottom surface of the movable plate (21) is fixedly connected to a group of second springs (23), the bottom surface of the movable plate (21) is fixedly connected to an insertion rod, and the insertion rod passes through the top surface of the bending rod (11) and is inserted into the inside of the circular groove (14).

7. The foldable portable mini hacksaw according to claim 1, characterized in that: A fixing plate (20) is fixedly connected to the bottom end of the saw frame (1), and a positioning plate (18) is provided on one side of the fixing plate (20) and the L-shaped support rod (13). One side of the two positioning plates (18) is fixedly connected to a fixing rod (17), and a rack (19) is provided between the two fixing rods (17). The two fixing rods (17) are inserted into the circular holes at both ends of the rack (19).

8. The foldable portable mini hacksaw according to claim 5, characterized in that: The L-shaped support rod (13) and the fixed plate (20) are each provided with an adjusting bolt (15) on the opposite side thereof. The interiors of the two adjusting bolts (15) are both threadedly connected with screw rods (16). The two screw rods (16) respectively penetrate the L-shaped support rod (13) and the fixed plate (20), and one end thereof away from the adjusting bolt (15) is threadedly connected with the positioning plate (18). A handle (26) is fixedly connected to one end of the saw frame (1).

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