Round handle chisel

By incorporating multiple chisel heads and a convenient locking mechanism within the rotating barrel of the round-handled chisel, the problem of work delays caused by carrying multiple chisels is solved, enabling convenient switching of chisel heads and quick installation of the equipment, thereby improving construction efficiency.

CN223617657UActive Publication Date: 2025-12-02YUEQING FURONG TOOLS CO LTD
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Patent Information

Application Number
CN202423090188.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-16
Publication Date
2025-12-02
Estimated Expiration
2034-12-16

AI Technical Summary

Technical Problem

The existing round-handled chisels have a variety of different chisel heads, requiring multiple chisels to be carried. This can easily lead to the loss of a chisel, thus delaying the work progress.

Method used

A round-handled chisel was designed. By setting multiple chisel heads inside a rotating barrel, the chisel heads can be slid and fixed using a rotating buckle and a rotating groove. Combined with a convenient locking mechanism, the chisel can be quickly installed on the equipment.

Benefits of technology

It enables convenient switching between appropriate chisels for different usage scenarios, avoiding work delays caused by carrying multiple chisels or forgetting a chisel, and improving construction efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of round handle chisels, and discloses a round handle chisel which comprises a chisel handle, a rotating barrel is slidably connected to the upper end of the outer wall of the chisel handle, a fixing groove is formed in the bottom of the inner side of the rotating barrel, fixing rods are fixedly connected to the left side and the right side of the upper end of the chisel handle, and two rotating grooves are formed in the inner wall of the rotating barrel at equal intervals. Rotating buckles are slidably connected to the inner sides of the two rotating grooves, chisel heads are fixedly connected to the tail ends of the multiple rotating buckles, two lifting grooves are formed in the left side of the inner wall of the rotating barrel at equal intervals, and a convenient clamping mechanism is installed at the lower end of the chisel handle and used for rapid installation of the chisel and equipment. According to the chisel, the proper chisel head slides to the position of the protrusion in the rotary barrel through the matching of the rotary buckle and the rotary groove, then the chisel head is pushed through the chisel handle to enable the rotary buckle to slide into the lifting groove, and then the fixing rod is clamped in the fixing groove, so that the effect of avoiding carrying a plurality of chisels in each work is achieved.
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Description

Technical Field

[0001] This utility model relates to the field of round-handled chisels, and more particularly to round-handled chisels. Background Technology

[0002] A round-handled chisel is a hand tool primarily used for cutting, carving, and chiseling various materials. It is characterized by a round handle for easy gripping and application of force, while the cutting edge is used to directly work on the material being processed.

[0003] A search revealed Chinese patent publication number CN106737434A, which discloses a chisel for construction sites. The chisel includes a first inclined surface, a second inclined surface slightly smaller than the first, and a side surface connected to the second inclined surface. A pointed blade is located on the first inclined surface, and an anti-slip sleeve is provided on the side surface, covering both the first and second inclined surfaces. The anti-slip sleeve is covered with elastic plastic with friction lines. An insertion port is located at the top of both the first and second inclined surfaces, and a chisel head is located at the top of each port. The chisel head connects to the insertion port on both the first and second inclined surfaces. In actual use, the second... The slope is slightly smaller than the first slope, forming a gradient. When using the chisel, it will not stick tightly to the object, making it easier to chisel a second time. The elastic plastic on the anti-slip sleeve increases its safety. The chisel head has threads, which can be rotated to insert the chisel. The tip has a blade sheath, which can be put on the chisel when not in use, increasing its safety and preventing scratches to the hand. Existing round-handled chisels have a variety of different chisel heads, and users have to carry multiple round-handled chisels each time to deal with different usage scenarios. This is not only inconvenient to carry, but also easy to miss a chisel, which will delay the work progress. Utility Model Content

[0004] To overcome the above shortcomings, this utility model provides a round-handled chisel, which aims to improve the problem in the prior art where the round-handled chisel has a variety of different chisel heads, requiring multiple chisels to be carried each time, and the loss of a chisel can delay the work progress.

[0005] To achieve the above objectives, the present invention adopts the following technical solution: a round-handled chisel, including a chisel handle, a rotating barrel slidably connected to the upper end of the outer wall of the chisel handle, a fixing groove being provided at the bottom inner side of the rotating barrel, fixing rods being fixedly connected to the left and right sides of the upper end of the chisel handle, two rotating grooves being equidistantly provided on the inner wall of the rotating barrel, rotating buckles being slidably connected to the inner sides of the two rotating grooves, chisel heads being fixedly connected to the ends of the multiple rotating buckles, two lifting grooves being equidistantly provided on the left side of the inner wall of the rotating barrel, and a convenient locking mechanism being installed at the lower end of the chisel handle, the convenient locking mechanism being used for quick installation of the chisel and the equipment.

[0006] The above technical solution involves fixing various chisels inside a rotating drum. A suitable chisel can be selected based on the application scenario. The chisel is then moved within the rotating drum, where it slides through a rotating groove via a locking mechanism. The chisel slides to a protruding position within the drum, and the handle is then pushed upwards into the drum. The rotated chisel is then propelled by the handle, and the locking mechanism, fixed outside the chisel, slides into a lifting groove. Once the locking mechanism is pushed deep into the lifting groove, the handle is rotated to lock the fixing rod into the groove.

[0007] As a further description of the above technical solution:

[0008] The convenient locking mechanism includes a button slot located on the left side of the middle part of the chisel handle. A slide key is slidably connected to the inner side of the button slot. The lower end of the chisel handle has locking slots on both the left and right sides. A buckle is slidably connected to the inner side of each of the two locking slots. A spring is fixedly connected to the adjacent side of each of the two buckles. A control rope is fixedly connected to the middle of the adjacent side of each of the two buckles. The end of the control rope is fixedly connected to the slide key.

[0009] The above technical solution involves directly inserting the round-handled chisel into the connection hole of the installation equipment. At this time, the two clips on the chisel handle will be squeezed into the slots. When the chisel handle is inserted into the corresponding position, the clips will be popped out by the spring, thus locking the chisel handle in the installation equipment. Then, when the round-handled chisel is finished using, push the sliding key in the key slot. When the sliding key is pushed, it will drive the two clips to retract into the slots through the control rope, and then the round-handled chisel can be pulled out.

[0010] As a further description of the above technical solution:

[0011] The top of the chisel head has a circular groove, and an arc buckle is fixedly connected to the middle of the circular groove.

[0012] With the above technical solution: when encountering nails during construction, the round groove on the chisel head can be used in conjunction with the arc-shaped clip to pry them off.

[0013] As a further description of the above technical solution:

[0014] The lower end of the inner wall of the rotating drum is provided with a sliding groove, and the top of the chisel handle is fixedly connected to a fixing plate.

[0015] The above technical solution involves a fixing plate that works in conjunction with a sliding groove to stabilize the chisel handle and prevent it from slipping out prematurely.

[0016] As a further description of the above technical solution:

[0017] The outer wall of the rotating drum is equipped with an anti-slip sleeve, and screws are threaded to the upper and lower ends of the right side of the anti-slip sleeve.

[0018] The above technical solution involves using screws to fix the anti-slip sleeve to the outside of the rotating drum, preventing the round-handled chisel from slipping off.

[0019] As a further description of the above technical solution:

[0020] A handle is fixedly connected to the front side of the rotating drum, and the outer wall of the handle is provided with anti-slip texture.

[0021] The above technical solution improves the grip stability of the round-handled chisel by combining the handle with the outer anti-slip texture.

[0022] As a further description of the above technical solution:

[0023] A connecting rod is fixedly connected to the lower rear side of the rotating drum, and a hanging ring is fixedly connected to the end of the connecting rod.

[0024] The above technical solution involves connecting a rod to a hanging ring, which can be used to hang a round-handled chisel.

[0025] As a further description of the above technical solution:

[0026] The bottom of the outer wall of the chisel handle is provided with grooves on both the front and back sides, and magnets are fixedly connected to the inner sides of both grooves.

[0027] The above technical solution allows for easy installation of a round-handled chisel by fixing the magnet through a groove.

[0028] This utility model has the following beneficial effects:

[0029] 1. In this utility model, a suitable chisel head is slid into the protruding position inside the rotating barrel through the rotating groove with the rotating buckle. Then, the chisel head is pushed by the chisel handle to make the rotating buckle slide into the lifting groove, and then the fixing rod is locked in the fixing groove. This achieves the effect of avoiding having to carry multiple chisels every time you work, and also avoids the problem of delaying the work progress due to missing a chisel.

[0030] 2. In this utility model, when the round-handled chisel is inserted into the connection hole of the installation equipment, the buckle will be squeezed into the slot. When the chisel handle is inserted into the corresponding position, the buckle will be popped out by the spring, pushing the sliding key in the key slot to drive the two buckles to retract into the slot through the control rope and then pull them out, thereby achieving the convenient installation effect of the round-handled chisel. Attached Figure Description

[0031] Figure 1 This is a perspective view of the round-handled chisel proposed in this utility model;

[0032] Figure 2 This is a side view of the round-handled chisel proposed in this utility model;

[0033] Figure 3This is a partial structural cross-sectional view of the round-handled chisel proposed in this utility model;

[0034] Figure 4 The round-handled chisel proposed in this utility model Figure 3 Enlarged view of point A in the middle;

[0035] Figure 5 This is an exploded view of the convenient locking mechanism of the round-handled chisel proposed in this utility model.

[0036] Legend:

[0037] 1. Chisel handle; 2. Convenient locking mechanism; 201. Button groove; 202. Slot; 203. Buckle; 204. Spring; 205. Control rope; 206. Slide key; 3. Rotating barrel; 4. Fixing groove; 5. Fixing rod; 6. Rotating groove; 7. Turning buckle; 8. Chisel head; 9. Lifting groove; 10. Circular groove; 11. Arc buckle; 12. Slide groove; 13. Fixing plate; 14. Anti-slip sleeve; 15. Screw; 16. Handle; 17. Anti-slip texture; 18. Connecting rod; 19. Hanging ring; 20. Groove; 21. Magnet. Detailed Implementation

[0038] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0039] Reference Figure 3 and Figure 4 This utility model provides an embodiment of a round-handled chisel, including a chisel handle 1. A rotating barrel 3 is slidably connected to the upper end of the outer wall of the chisel handle 1. A fixing groove 4 is provided on the bottom inner side of the rotating barrel 3. Fixing rods 5 are fixedly connected to the left and right sides of the upper end of the chisel handle 1. The fixing groove 4 at the bottom of the rotating barrel 3 is used to fix the fixing rods 5 on the chisel handle 1. Two rotating grooves 6 are equidistantly provided on the inner wall of the rotating barrel 3. Rotary buckles 7 are slidably connected to the inner side of each of the two rotating grooves 6. Chisel heads 8 are fixedly connected to the ends of the multiple rotating buckles 7. The rotating buckles 7 on the chisel head 8 slide within the rotating grooves 6 inside the rotating barrel 3. The inner wall of the rotating barrel 3... Two lifting slots 9 are equidistantly provided on the left side. The lifting slots 9 inside the rotating drum 3 are used to slide up and down with the rotating buckle 7 on the chisel head 8. The lower end of the chisel handle 1 is equipped with a convenient locking mechanism 2, which is used for quick installation of the chisel and the equipment. The top of the chisel head 8 is provided with a circular groove 10, and the middle of the circular groove 10 is fixedly connected with an arc buckle 11. The circular groove 10 on the chisel head 8, together with the arc buckle 11, is used to pry out nails on the construction site. The lower end of the inner wall of the rotating drum 3 is provided with a sliding groove 12. The top of the chisel handle 1 is fixedly connected with a fixing plate 13, which, together with the sliding groove 12, fixes the chisel handle 1.

[0040] Specifically, various chisel heads 8 are fixed inside the rotating drum 3. When using a round-handled chisel, a suitable chisel head 8 can be selected according to the usage scenario. The suitable chisel head 8 is moved inside the rotating drum 3. At this time, the chisel head 8 will slide inside the rotating drum 3 through the rotating buckle 7 and the rotating groove 6 inside the rotating drum 3. The chisel head 8 is slid to the protruding position inside the rotating drum 3. Then, the chisel handle 1 is pushed upward into the rotating drum 3. At this time, the rotated chisel head 8 will be pushed by the chisel handle 1, and the rotating buckle 7 fixed outside the chisel head 8 will slide into the lifting groove 9. When the rotating buckle 7 is pushed to the depth of the lifting groove 9, the chisel handle 1 is rotated to lock the fixing rod 5 into the fixing groove 4. This achieves the effect of avoiding the need to carry multiple chisels for each work. When encountering nails during construction, the round groove 10 on the chisel head 8 can be used with the round buckle 11 to pry them off. The fixing piece 13 and the sliding groove 12 are used to fix the chisel handle 1 to prevent it from sliding out prematurely.

[0041] Reference Figure 3 and Figure 5 The convenient locking mechanism 2 includes a button groove 201, which is located on the left side of the middle part of the chisel handle 1. A sliding key 206 is slidably connected to the inner side of the button groove 201. The sliding key 206 slides in the button groove 201. The lower end of the chisel handle 1 has a slot 202 on both the left and right sides. A buckle 203 is slidably connected to the inner side of each slot 202. The slot 202 is used for the sliding of the buckle 203. A spring 204 is fixedly connected to the adjacent side of each of the two buckles 203. The spring 204 is used to pop the buckle 203 outward. A control rope 205 is fixedly connected to the middle of the adjacent side of each of the two buckles 203. The control rope 205 works with the sliding key 206 to pull the buckle 203. The end of the control rope 205 is fixedly connected to the sliding key 206. The bottom of the outer wall of the chisel handle 1 has a groove 20 on both the front and back sides. A magnet 21 is fixedly connected to the inner side of each of the two grooves 20. The magnet 21 can be used for temporary and convenient installation of the round handle chisel.

[0042] Specifically, after adjusting the chisel head 8 suitable for the on-site environment, the round shank chisel can be installed onto an electric drill or impact drill through the tail of the chisel handle 1. The round shank chisel is directly inserted into the connection hole of the installation equipment. At this time, the two clips 203 on the chisel handle 1 will be squeezed into the slot 202. When the chisel handle 1 is inserted into the corresponding position, the clips 203 will be popped out by the spring 204 to lock the chisel handle 1 in the installation equipment. Then, when the round shank chisel is finished using, push the slide key 206 in the key slot 201. When the slide key 206 is pushed, it will drive the two clips 203 to retract into the slot 202 through the control rope 205. Then the round shank chisel can be pulled out, thus achieving the convenient installation effect of the round shank chisel. The magnet 21 inside the fixing groove 20 can be used for temporary convenient installation of the round shank chisel.

[0043] Reference Figure 1and Figure 2 The outer wall of the rotating drum 3 is equipped with an anti-slip sleeve 14. The upper and lower ends of the right side of the anti-slip sleeve 14 are threaded with screws 15. The anti-slip sleeve 14 can provide an anti-slip effect for the round shank chisel. The front side of the rotating drum 3 is fixedly connected to a handle 16. The outer wall of the handle 16 is provided with anti-slip texture 17. The handle 16 can better stabilize the round shank chisel. The lower rear end of the rotating drum 3 is fixedly connected to a connecting rod 18. The end of the connecting rod 18 is fixedly connected to a hanging ring 19. The round shank chisel can be hung up through the hanging ring 19.

[0044] Specifically, the anti-slip sleeve 14, which is fixed to the outside of the rotating drum 3 by screws 15, can prevent the round-handled chisel from slipping when carried. The handle 16, in conjunction with its outer anti-slip texture 17, can provide a more stable grip on the round-handled chisel. The hanging ring 19, which is connected to the rotating drum 3 by the connecting rod 18, can be used to hang the round-handled chisel.

[0045] Working principle: Various chisel heads 8 are fixed inside the rotating drum 3. When using a round-handled chisel, the appropriate chisel head 8 can be selected according to the usage scenario. The appropriate chisel head 8 is moved inside the rotating drum 3. At this time, the chisel head 8 will slide inside the rotating drum 3 through the rotating buckle 7 and the rotating groove 6 inside the rotating drum 3, sliding the chisel head 8 to the protruding position inside the rotating drum 3. Then, the chisel handle 1 is pushed upward into the rotating drum 3. At this time, the rotated chisel head 8 will be pushed by the chisel handle 1, and the rotating buckle 7 fixed outside the chisel head 8 will slide into the lifting groove 9. When the rotating buckle 7 is pushed to the depth of the lifting groove 9, the chisel handle 1 is rotated to lock the fixing rod 5 into the fixing groove 4. This achieves the effect of avoiding the need to carry multiple chisels for each work, and also avoids the problem of delaying the work progress due to the loss of a chisel.

[0046] After adjusting the chisel head 8 to suit the field environment, the round shank chisel can be installed onto an electric drill or impact drill through the tail of the chisel handle 1. The round shank chisel is directly inserted into the connection hole of the installation equipment. At this time, the two clips 203 on the chisel handle 1 will be squeezed into the slots 202. When the chisel handle 1 is inserted into the corresponding position, the clips 203 will be popped out by the spring 204 to lock the chisel handle 1 into the installation equipment. Then, when the round shank chisel is finished using, push the slide key 206 in the key slot 201. When the slide key 206 is pushed, it will drive the two clips 203 to retract into the slots 202 through the control rope 205. Then the round shank chisel can be pulled out, thus achieving the convenient installation effect of the round shank chisel.

[0047] Finally, it should be noted that the above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Although the present utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A round-handled chisel, comprising a chisel handle (1), characterized in that: The upper end of the outer wall of the chisel handle (1) is slidably connected to a rotating barrel (3). A fixed groove (4) is provided at the bottom of the inner side of the rotating barrel (3). A fixed rod (5) is fixedly connected to the left and right sides of the upper end of the chisel handle (1). Two rotating grooves (6) are equidistantly provided on the inner wall of the rotating barrel (3). A rotating buckle (7) is slidably connected to the inner side of the two rotating grooves (6). A chisel head (8) is fixedly connected to the end of the multiple rotating buckles (7). Two lifting grooves (9) are equidistantly provided on the left side of the inner wall of the rotating barrel (3). A convenient locking mechanism (2) is installed at the lower end of the chisel handle (1). The convenient locking mechanism (2) is used for quick installation of the chisel and the equipment.

2. The round-shank chisel according to claim 1, characterized in that: The convenient locking mechanism (2) includes a button groove (201), which is located on the left side of the middle part of the chisel handle (1). A slide key (206) is slidably connected to the inner side of the button groove (201). The lower end of the chisel handle (1) has slots (202) on both the left and right sides. A buckle (203) is slidably connected to the inner side of each of the two slots (202). A spring (204) is fixedly connected to the adjacent side of each of the two buckles (203). A control rope (205) is fixedly connected to the middle of the adjacent side of each of the two buckles (203). The end of the control rope (205) is fixedly connected to the slide key (206).

3. The round-shank chisel according to claim 1, characterized in that: The top of the chisel (8) is provided with a circular groove (10), and a circular arc buckle (11) is fixedly connected to the middle of the circular groove (10).

4. The round-shank chisel according to claim 1, characterized in that: The inner wall of the rotating drum (3) is provided with a groove (12), and the top of the chisel handle (1) is fixedly connected to a fixing piece (13).

5. The round-shank chisel according to claim 1, characterized in that: The outer wall of the rotating drum (3) is fitted with an anti-slip sleeve (14), and screws (15) are threaded to the upper and lower ends of the right side of the anti-slip sleeve (14).

6. The round-shank chisel according to claim 1, characterized in that: A handle (16) is fixedly connected to the front side of the rotating drum (3), and the outer wall of the handle (16) is provided with anti-slip texture (17).

7. The round-shank chisel according to claim 1, characterized in that: A connecting rod (18) is fixedly connected to the lower rear side of the rotating drum (3), and a hanging ring (19) is fixedly connected to the end of the connecting rod (18).

8. The round-shank chisel according to claim 1, characterized in that: The bottom of the outer wall of the chisel handle (1) is provided with grooves (20) on both the front and back sides, and magnets (21) are fixedly connected to the inner sides of the two grooves (20).

Citation Information

Patent Citations

  • Chisel for construction site

    CN106737434A