Adjustable handle for an electric circular saw and electric circular saw
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- ZHEJIANG YAT ELECTRICAL APPLIANCE CO LTD
- Filing Date
- 2022-12-09
- Publication Date
- 2026-07-07
AI Technical Summary
The auxiliary handle of existing circular saws is integrated with the machine housing and cannot be adjusted, resulting in an uncomfortable grip at different cutting depths and angles and a poor user experience.
An adjustable handle for an electric circular saw was designed. The height and angle of the handle can be adjusted by setting a height adjustment structure between the housing and the support and an angle adjustment structure between the support and the handle.
It improves user comfort and operating experience, meets the adjustment effect for different cutting needs, and avoids spatial interference between adjustment structures.
Smart Images

Figure CN116038821B_ABST
Abstract
Description
Technical Field
[0001] This invention relates to an adjustable handle for an electric circular saw and the electric circular saw itself. Background Technology
[0002] Electric circular saws are a common woodworking tool, characterized by safety, reliability, and high efficiency. The auxiliary handle is an important component for assisting in cutting. However, the auxiliary handle of existing electric circular saws is generally integrated with the machine housing, and its height cannot be adjusted or rotated. When the user adjusts the cutting depth and angle, the position of the auxiliary handle changes passively and cannot be adjusted independently, resulting in an uncomfortable grip and a poor user experience. Summary of the Invention
[0003] The purpose of this invention is to solve the technical problem that the auxiliary handle cannot be adjusted due to its integral design with the machine housing. The invention proposes an adjustable handle for an electric circular saw, which effectively adjusts the height and angle of the handle through a height adjustment structure and an angle adjustment structure, allowing users to adjust the handle according to their needs and improving user comfort.
[0004] To solve the above-mentioned technical problems, the present invention is achieved through the following technical solution: an adjustable handle for an electric circular saw, comprising a housing, a handle, and a bracket, one end of the bracket being mounted on the housing, the other end of the bracket being mounted on the handle, a height adjustment structure being provided between the housing and the bracket, and an angle adjustment structure being provided between the bracket and the handle.
[0005] Preferably, the height adjustment structure includes a first button and a first spring, one end of the first button is disposed on the housing, the other end of the first button is disposed on the bracket, and the first spring is disposed between the housing and the first button.
[0006] Preferably, the first button is provided with a first positioning rib, and the bracket is provided with a positioning groove that cooperates with the first positioning rib. The first button is fixed on the bracket by the cooperation of the first positioning rib and the positioning groove. The first button is provided with a second positioning rib, and the housing is provided with a third positioning rib. The second positioning rib and the third positioning rib cooperate to fix the first button on the housing.
[0007] Preferably, the first button has a groove that abuts against the first spring.
[0008] Preferably, the angle adjustment structure includes a top rod, a second button, a second spring, and a third spring. The bottom end of the top rod is disposed within the bracket. The second button is slidably connected to the handle. The second spring is disposed between the second button and the handle. The top end of the top rod passes through the bracket and is connected to the second button. The third spring is disposed between the top rod and the bracket.
[0009] Preferably, a fixing structure is provided between the bracket and the handle, the fixing structure including a first fixing rib and a second fixing rib that cooperate with each other.
[0010] Preferably, both the first fixing rib and the second fixing rib are serrated fixing ribs.
[0011] Preferably, the second button is provided with a limiting groove for the top rod to move up and down, the inner side wall of the limiting groove is provided with a step, and the top end of the top rod is provided with a protrusion that abuts against the step.
[0012] Preferably, the front end of the second button is provided with a fixing shaft for fixing the second spring, and the fixing shaft and the second button are an integral structure.
[0013] In addition, the present invention also discloses an electric circular saw, including a body and a handle disposed on the body, wherein the handle is an adjustable handle of the electric circular saw described above.
[0014] In summary, the advantages of this invention are as follows: The handle is connected to the housing via a bracket. Due to the height adjustment structure between the housing and the bracket, and the angle adjustment structure between the bracket and the handle, when the circular saw requires different cutting depths and angles, the handle position can be adjusted using these two structures respectively. This facilitates gripping and improves user comfort, significantly enhancing the user experience. Furthermore, since the height and angle adjustment structures are located between the housing and the bracket, and between the bracket and the handle, respectively, the two adjustment structures are independent and do not interfere with each other spatially during adjustment, greatly improving the adjustment effect. Individual adjustment can be achieved to meet different cutting needs, significantly improving the handle's adjustment efficiency. Attached Figure Description
[0015] The present invention will be further described below with reference to the accompanying drawings:
[0016] Figure 1 This is a schematic diagram of the adjustable handle of an electric circular saw according to the present invention;
[0017] Figure 2 This is a schematic diagram of the structure for mounting the bracket and housing in this invention;
[0018] Figure 3 This is a schematic diagram of the structure for mounting the bracket and handle in this invention;
[0019] Figure 4 This is a schematic diagram of the structure of the first button in this invention;
[0020] Figure 5 This is a schematic diagram of the support structure in this invention;
[0021] Figure 6 This is a schematic diagram of the handle structure in this invention;
[0022] Figure 7 This is a schematic diagram of the structure of the left shell in this invention.
[0023] Figure label:
[0024] 1. Housing, 11. Left housing, 12. Right housing, 13. Third positioning rib, 2. Handle, 21. Left handle, 22. Right handle, 3. Bracket, 31. Left frame, 32. Right frame, 33. Positioning groove, 4. Height adjustment structure, 41. First button, 411. First positioning rib, 412. Second positioning rib, 413. Groove, 42. First spring, 5. Angle adjustment structure, 51. Top rod, 52. Second button, 521. Limiting groove, 522. Fixed shaft, 53. Second spring, 54. Third spring, 6. Fixing structure, 61. First fixing rib, 62. Second fixing rib. Detailed Implementation
[0025] Example 1
[0026] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 and Figure 7 As shown, an adjustable handle for an electric circular saw includes a housing 1, a handle 2, and a bracket 3. In this embodiment, the housing 1 includes a left housing 11 and a right housing 12, the handle 2 includes a left handle 21 and a right handle 22, and the bracket 3 includes a left frame 31 and a right frame 32. One end of the bracket 3 is mounted on the housing 1, and the other end of the bracket 1 is mounted on the handle 2. A height adjustment structure 4 is provided between the housing 1 and the bracket 3, and an angle adjustment structure 5 is provided between the bracket 3 and the handle 2.
[0027] The handle is connected to the housing via a bracket. Due to the height adjustment structure between the housing and the bracket, and the angle adjustment structure between the bracket and the handle, the handle position can be adjusted separately to achieve different cutting depths and angles. This facilitates gripping and improves user comfort, significantly enhancing the user experience. Furthermore, since the height and angle adjustment structures are located independently between the housing and the bracket, and between the bracket and the handle, respectively, they do not interfere with each other during adjustment, greatly improving the adjustment effect. Individual adjustments can be made to meet different cutting needs, significantly enhancing the handle's adjustability.
[0028] The height adjustment structure 4 includes a first button 41 and a first spring 42. One end of the first button 41 is mounted on the housing, and the other end is mounted on the bracket. The first spring 42 is positioned between the housing and the first button 41. The first button 41 has a first positioning rib 411, and the bracket has a positioning groove 33 that mates with the first positioning rib 411. The first button 41 is fixed to the bracket by the first positioning rib 411 and the positioning groove 33. The first button 41 has a second positioning rib 412, and the housing has a third positioning rib 13. The second positioning rib 412 and the third positioning rib 13 interlock to fix the first button 41 to the housing. In this embodiment, both the second and third positioning ribs are rectangular. During installation, the first button 41 is passed through the left and right frames and the first positioning rib 411 mates with the positioning groove 33. The first button 41 is fixed to the bracket by the combination of the first spring 42, one end of which is fixedly connected to the right housing, and the other end presses against the first button 41. The first button 41 is pressed onto the left housing. The first button 41 is fixed to the housing by the cross cooperation of the second positioning rib 412 and the third positioning rib 13, thus forming the height adjustment structure 4. At this time, the first button 41 is locked to the housing. In the free state, the first spring 42 presses the first button 41 and the housing together, and the first button 41 and the bracket cannot rotate. When the first button 41 is pressed, the first spring is compressed by the force of the first button 41. The second positioning rib 412 on the first button 41 is disengaged from the third positioning rib 13 on the housing. The bracket can drive the first button 41 to rotate. When the adjustment is to a comfortable position, the first button 41 is released and the first button 41 returns to its original position under the elastic force of the first spring 42. At this time, the first button 41 and the housing are locked together. The first button 41 is provided with a groove 413 that abuts against the first spring 42, which can increase the contact area between the first spring 42 and the first button 41, improve the fixing quality of the first spring 42, and enable the first spring 42 to be compressed smoothly.
[0029] The angle adjustment structure 5 includes a top rod 51, a second button 52, a second spring 53, and a third spring 54. The bottom end of the top rod 51 is located inside the bracket. The second button 52 is slidably connected to the handle 2. The second spring 53 is located between the second button 52 and the handle 2. The top end of the top rod 51 passes through the bracket and is connected to the second button 52. The third spring 54 is located between the top rod 51 and the bracket. A fixing structure 6 is provided between the bracket and the handle 2. The fixing structure 6 includes a first fixing rib 61 and a second fixing rib 62 that cooperate with each other. The fixing structure 6 enables a tight fit between the bracket and the handle 2, improving the fixing quality of the bracket and the handle 2. In specific installation, the bottom end of the top rod 51 is installed between the left and right frames through the third spring 54, and the top end of the top rod 51 is connected to the second button 52. The bracket and handle 2 are connected by the cooperation of the first fixing rib 61 and the second fixing rib 62. The second button 52 is positioned on the handle 2 by the second spring 53, thus forming the angle adjustment structure 5. In use, when the second button 52 is in the free state, the second spring 53 presses against the second button 52. At this time, there is no gap between the push rod 51, the second button 52 and the handle 2. The push rod 51 cannot move up and down, and the bracket and handle 2 cannot rotate. When the second button 52 is pressed, the second button 52 compresses the second spring 53. Sufficient gap is reserved between the push rod 51, the second button 52 and the handle 2. At this time, the push rod 51 can move up and down, and the bracket and handle 2 can rotate. When adjusted to a comfortable position for the operator, the second button 52 is released, and the second button 52 returns to its original position under the elastic force of the second spring 53.
[0030] The first fixing rib 61 and the second fixing rib 62 are both sawtooth fixing ribs. The sawtooth fixing ribs can improve the connection quality of the first fixing rib 61 and the second fixing rib 62. In this embodiment, the first fixing rib 61 is set on the bracket and the second fixing rib 62 is set on the handle 2. Alternatively, the first fixing rib 61 can be set on the handle 2 and the second fixing rib 62 can be set on the bracket to meet different installation requirements. The second button 52 is provided with a limiting groove 521 for the push rod 51 to move up and down. The inner side wall of the limiting groove 521 is provided with a step, and the top end of the push rod 51 is provided with a boss that abuts against the step. When the second button 52 is in the free state, the second button 52, under the action of the third spring 54, achieves the action through the cooperation of the step and the boss, so that there is no gap between the push rod 51, the second button 52 and the handle 2, and the push rod 51 cannot move up and down. When the second button 52 is pressed, the second button 52 compresses the second spring 53. At this time, the limiting groove 521 provides a sufficient gap between the second button 52, the push rod 51 and the handle 2, so that the push rod 51 can move up and down. The whole operation is simple, the installation is convenient, and it can effectively limit the amount of up and down movement of the push rod 51. The front end of the second button 52 is provided with a fixing shaft 522 for fixing the second spring 53, and the fixing shaft 522 and the second button 52 are an integral structure. The setting of the fixing shaft 522 can realize the second spring 53 being stably installed on the second button 52. Furthermore, setting the fixing shaft 522 and the second button 52 as an integral structure can simplify the installation process between the fixing shaft 522 and the second button 52 and improve the connection strength between the fixing shaft 522 and the second button 52.
[0031] Example 2
[0032] This embodiment also discloses an electric circular saw, including a body and a handle disposed on the body, wherein the handle is an adjustable handle of the electric circular saw described in Embodiment 1.
[0033] The above description is only a specific embodiment of the present invention, but the technical features of the present invention are not limited thereto. Any changes or modifications made by those skilled in the art within the scope of the present invention are covered by the patent scope of the present invention.
Claims
1. An adjustable handle for an electric circular saw, comprising a housing and a handle, characterized in that: It also includes a bracket, one end of which is mounted on the housing, and the other end of which is mounted on the handle. A height adjustment structure is provided between the housing and the bracket, and an angle adjustment structure is provided between the bracket and the handle. The height adjustment structure includes a first button and a first spring. One end of the first button is mounted on the housing, and the other end of the first button is mounted on the bracket. The first spring is located between the housing and the first button. The first button has a first positioning rib, and the bracket has a positioning groove that cooperates with the first positioning rib. The first button is fixed to the bracket through the cooperation of the first positioning rib and the positioning groove. The angle adjustment structure includes a push rod, a second button, a second spring, and a third spring. The bottom end of the push rod is located inside the bracket. The second button is slidably connected to the handle. The second spring is located between the second button and the handle. The top end of the push rod passes through the bracket and is connected to the second button. The third spring is located between the push rod and the bracket.
2. The adjustable handle of an electric circular saw according to claim 1, characterized in that: The first button has a groove that abuts against the first spring.
3. The adjustable handle of an electric circular saw according to claim 1, characterized in that: A fixing structure is provided between the bracket and the handle, and the fixing structure includes a first fixing rib and a second fixing rib that cooperate with each other.
4. The adjustable handle of an electric circular saw according to claim 3, characterized in that: Both the first fixing rib and the second fixing rib are sawtooth-shaped fixing ribs.
5. The adjustable handle of an electric circular saw according to claim 3, characterized in that: The second button is provided with a limiting groove for the top rod to move up and down. The inner side wall of the limiting groove is provided with a step, and the top of the top rod is provided with a boss that abuts against the step.
6. The adjustable handle of an electric circular saw according to claim 3, characterized in that: The front end of the second button is provided with a fixing shaft for fixing the second spring, and the fixing shaft and the second button are an integral structure.
7. An electric circular saw, comprising a body and a handle disposed on the body, characterized in that: The handle is an adjustable handle of the electric circular saw according to any one of claims 1-6.