Depth adjusting and locking device of electric planer
The electric planer depth adjustment and locking device with positioning rod and locking block structure solves the problem of inaccurate depth adjustment in traditional electric planers, achieves consistency and stability of planing depth, and improves machining accuracy and efficiency.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HUBEI HENGRAN CONSTRUCTION GROUP CO LTD
- Filing Date
- 2025-05-22
- Publication Date
- 2026-04-24
AI Technical Summary
Traditional electric planer depth adjustment relies on manual knobs and human judgment, making it difficult to guarantee the consistency and accuracy of planing depth.
The system employs a positioning rod and locking block structure, combined with a scale and locking components, to achieve intuitive depth adjustment and secondary locking, reducing human error and improving the stability and accuracy of adjustment.
Intuitive depth adjustment and secondary locking ensure consistency and accuracy of planing depth, reducing scrap rate and improving construction efficiency.
Smart Images

Figure CN224158538U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of depth adjustment of electric planers, and more particularly to a depth adjustment locking device for electric planers. Background Technology
[0002] In the wood processing industry, the electric planer is a key handheld tool in the woodworking field. Its core function is to achieve precise planing of the wood surface through high-speed rotating planer blades. It is widely used in furniture manufacturing, building decoration and wood art creation.
[0003] Traditional electric planer depth adjustment typically uses a simple manual knob adjustment method. During adjustment, the knob often needs to be turned repeatedly, and the depth adjustment mainly relies on manual judgment. However, the experience level of different operators varies, and even the same operator may have different judgment results under different working conditions. As a result, it is difficult to ensure the consistency and accuracy of the planing depth in actual processing. Therefore, a depth adjustment locking device for electric planers is proposed to solve the above problems. Utility Model Content
[0004] To overcome the above shortcomings, this utility model provides a depth adjustment locking device for electric planers, which aims to improve the problem in the prior art that "the depth adjustment of traditional electric planers is mostly done by manual knob, which requires repeated turning of the knob during adjustment, and usually relies on manual judgment, making it difficult to ensure the consistency and accuracy of the planing depth in actual processing".
[0005] To achieve the above objectives, the present invention adopts the following technical solution: a depth adjustment and locking device for an electric planer, comprising a body, a base plate at the bottom left of the body, an adjustment assembly on the base plate and the left side of the body, the adjustment assembly including an adjustment rod, the adjustment rod passing through and slidably connected to the left side of the body, the adjustment rod being fixedly connected to the top of the base plate, connecting plates fixedly connected to the front and rear sides of the top of the adjustment rod, positioning rods fixedly connected to the outer sides of the two sets of connecting plates, a scale on the right side of the positioning rod, multiple sets of slots evenly formed on the right side of the left side of the body near the adjustment rod, positioning grooves formed on the front and rear outer sides of the left side of the body near the adjustment rod, the positioning rods being inserted into the inner walls of the positioning grooves, a locking block passing through and slidably connected to the middle right side of the adjustment rod, a sliding plate fixedly connected to the left side of the locking block, the sliding plate being elastically connected to the adjustment rod by a return spring, a pressing rod passing through and slidably connected to the top right side of the adjustment rod, a pressing groove formed at the top of the locking block, the left side of the inner wall of the pressing groove being inclined, and the pressing rod being inserted into the inner wall of the pressing groove.
[0006] As a further description of the above technical solution:
[0007] The adjusting rod has a groove in the middle, the sliding plate is slidably connected to the inner wall of the groove, the return spring is set in the inner wall of the groove, the pressing rod is fixedly connected to the top of the pressing rod, and the locking block is locked in the inner wall of the locking groove.
[0008] As a further description of the above technical solution:
[0009] Both the positioning rod and the positioning groove are two sets of dovetail rectangular symmetrical fixed connections.
[0010] As a further description of the above technical solution:
[0011] The top and bottom right sides of the card block are both sloped.
[0012] As a further description of the above technical solution:
[0013] The top of the adjusting rod is provided with a locking component, which includes a limiting block, a threaded rod, and a guide rod. The threaded rod is fixedly connected to the bottom end of the guide rod, and the guide rod passes through and is rotatably connected to the top of the adjusting rod.
[0014] As a further description of the above technical solution:
[0015] The middle part of the adjusting rod is located above the first slide groove, and the limiting block is vertically slidably connected to the inner wall of the second slide groove.
[0016] As a further description of the above technical solution:
[0017] The threaded rod passes through and is threadedly connected to the top of the limiting block, and a turntable is fixedly connected to the top of the guide rod.
[0018] As a further description of the above technical solution:
[0019] The limiting block is U-shaped and is located on the left side of the slide plate, outside the return spring.
[0020] This utility model has the following beneficial effects:
[0021] 1. In this utility model, the scale on the right side of the positioning rod provides a convenient and intuitive reference for depth adjustment, avoiding errors caused by manual depth judgment. At the same time, pressing down on the pressing rod releases the limit of the adjustment rod. At this time, the locking block and the slot can be used to quickly adjust and lock the depth without continuous turning, thus improving the consistency and accuracy of depth adjustment.
[0022] 2. In this utility model, the reliability of locking is improved by the secondary locking of the limiting block. During the operation of the electric planer, even if it is subjected to strong vibration and external impact, the adjusting rod and the base plate can remain stable and will not be displaced, which will cause changes in the planing depth. When planing a large amount of wood materials in building decoration, it can ensure that the planing depth is always consistent, reduce the scrap rate, and improve construction efficiency. Attached Figure Description
[0023] Figure 1 This is a three-dimensional structural diagram of the overall device in this utility model;
[0024] Figure 2 This is a three-dimensional cross-sectional view of the machine body, slot, and positioning slot in this utility model, and a three-dimensional structural disassembly diagram of the base plate and adjusting rod from the machine body.
[0025] Figure 3 This is a three-dimensional cross-sectional view of the adjusting rod, connecting plate, and positioning rod in this utility model;
[0026] Figure 4 This is a three-dimensional cross-sectional view of the adjusting rod, connecting plate, locking block, and positioning rod in this utility model, as well as a three-dimensional disassembled schematic diagram of the limiting block, locking block, and pressing rod.
[0027] Legend:
[0028] 1. Body; 2. Base plate; 3. Adjustment assembly; 4. Locking assembly; 31. Adjustment rod; 32. Positioning rod; 33. Connecting plate; 34. Positioning groove; 35. Slot; 36. Slot block; 37. Pressing block; 38. Pressing rod; 39. Slide plate; 310. Pressing groove; 311. Return spring; 312. Slide groove one; 41. Turntable; 42. Guide rod; 43. Limiting block; 44. Threaded rod; 45. Slide groove two. Detailed Implementation
[0029] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. 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.
[0030] Reference Figure 1 , Figure 2 and Figure 4This utility model provides an embodiment of a depth adjustment and locking device for an electric planer, comprising a body 1. The body 1 serves as the core load-bearing component of the electric planer, integrating key components such as the power system and transmission mechanism to provide stable support for the planer's operation. A base plate 2 is located at the bottom left side of the body 1, directly contacting the surface of the wood to be processed. Its levelness and stability directly affect the planing accuracy. The two are connected by an adjustment component 3, allowing the base plate 2 to be adjusted vertically according to processing requirements. The base plate 2 is located at the bottom left side of the body 1, and the adjustment component 3 is located between the base plate 2 and the left side of the body 1. Section component 3 includes an adjusting rod 31, which is the core transmission component for realizing the vertical lifting and lowering of the base plate 2. By moving the adjusting rod 31 up and down, the base plate 2, which is fixedly connected to it, moves synchronously, thereby changing the planing depth of the electric planer. Its surface is provided with high-precision scale lines, which cooperate with the scale on the right side of the positioning rod 32 to provide the operator with an intuitive reference for depth adjustment. The adjusting rod 31 passes through and is slidably connected to the left side of the machine body 1. The adjusting rod 31 is fixedly connected to the top of the base plate 2. The front and rear sides of the top of the adjusting rod 31 are fixedly connected to connecting plates 33, which drive and cooperate with two sets of positioning rods 32 to make the adjusting rod 31 move stably.
[0031] Furthermore, positioning rods 32 are fixedly connected to the outer sides of both sets of connecting plates 33 to increase the stability of adjustment. A scale is provided on the right side of the positioning rods 32, providing a visual reference for depth adjustment. Multiple sets of slots 35 are evenly distributed on the left side of the machine body 1 near the right side of the adjusting rod 31. Positioning grooves 34 are provided on the front and rear outer sides of the left side of the machine body 1, with the positioning rods 32 inserted into the inner walls of the positioning grooves 34. A locking block 36 is slidably connected through the middle right side of the adjusting rod 31. The locking block 36 engages with the slots 35 to limit the adjusting rod 31 and the base plate 2. A supporting locking block 36 is fixedly connected to the left side of the locking block 36, working in conjunction with a return spring 311 to quickly reset the locking block 36 and limit the adjusting rod 31. The sliding plate 39 and the adjusting rod 31 are elastically connected by a return spring 311. The adjusting rod 31 has a pressing rod 38 that passes through and slides near the top right side. The pressing rod 38 can press the inclined surface of the pressing groove 310 to move the locking block 36 inward and slide it out of the locking groove 35 to release the limitation of the adjusting rod 31. The top of the locking block 36 has a pressing groove 310. The left side of the inner wall of the pressing groove 310 is inclined. The pressing rod 38 is inserted into the inner wall of the pressing groove 310. Because the left side of the inner wall of the pressing groove 310 is inclined, the bottom end of the pressing rod 38 presses the inclined surface of the pressing groove 310 to move the locking block 36 inward and slide it out of the locking groove 35 to release the limitation of the adjusting rod 31. At this time, the adjusting rod 31 and the base plate 2 can be adjusted.
[0032] Reference Figure 2 , Figure 3 and Figure 4The middle part of the adjusting rod 31 is provided with a slide groove 312 to provide space for the sliding plate 39 and the return spring 311 to move. The sliding plate 39 is slidably connected to the inner wall of the slide groove 312. The return spring 311 is provided on the inner wall of the slide groove 312. The top of the pressing rod 38 is fixedly connected to a pressing block 37 that drives the pressing rod 38 to move downward. The locking block 36 is locked in the inner wall of the locking groove 35. The positioning rod 32 and the positioning groove 34 are both set in two sets of dovetail rectangular symmetrical fixed connections. The stability of movement can be increased by the setting of two sets of dovetail rectangular symmetrical fixed connections of the positioning rod 32 and the positioning groove 34. The top and bottom of the right side of the locking block 36 are both set with slopes. The slope setting can facilitate locking into the locking groove 35.
[0033] Reference Figure 1 , Figure 3 and Figure 4 The top of the adjusting rod 31 is provided with a locking component 4. The locking component 4 includes a limiting block 43 that limits and locks the slide plate 39 so that it cannot move inward, a threaded rod 44, and a guide rod 42. The threaded rod 44 is fixedly connected to the bottom end of the guide rod 42, and the guide rod 42 passes through and is rotatably connected to the top of the adjusting rod 31. A second slide groove 45 is opened in the middle of the adjusting rod 31 above the first slide groove 312. The limiting block 43 is vertically slidably connected to the inner wall of the second slide groove 45, and the threaded rod 44 passes through and is threadedly connected to the top of the limiting block 43. The end can drive the limiting block 43 to move downward through the threaded connection. The top of the guide rod 42 is fixedly connected to the turntable 41 that drives the guide rod 42 to rotate. The limiting block 43 is U-shaped and is located on the left side of the slide plate 39 outside the return spring 311. The U-shaped limiting block 43 can move downward and lock onto the left side of the slide plate 39, preventing it from moving inward and thus preventing the locking block 36 from moving. At this time, the locking block 36 and the adjusting rod 31 can be limited, thereby locking the base plate 2.
[0034] Working principle: When adjusting the planing depth of the electric planer, pressing the pressing block 37 moves the pressing rod 38 downward. The bottom end of the pressing rod 38 presses against the inclined surface on the left side of the inner wall of the pressing groove 310. The inclined surface pushes the locking block 36 to the left, disengaging it from the groove 35 and releasing the lock on the adjusting rod 31. At this time, the connecting plate 33 can be pulled up and down to move the adjusting rod 31, causing the base plate 2 fixedly connected to it to rise and fall synchronously. The high-precision scale line on the surface of the adjusting rod 31 cooperates with the scale on the right side of the positioning rod 32, allowing the operator to intuitively obtain the current adjustment depth and achieve precise adjustment.
[0035] After adjusting to the desired depth, release the pressing block 37. Under the action of the return spring 311, the locking block 36 moves to the right, and its right inclined surface contacts the edge of the slot 35 and slides smoothly into the slot 35, initially locking the adjusting rod 31. Then, the operator rotates the turntable 41, driving the guide rod 42 and the threaded rod 44 to rotate. Since the threaded rod 44 is threadedly connected to the limiting block 43, as the threaded rod 44 rotates, the limiting block 43 moves downward along the slide groove 45. The U-shaped limiting block 43 fits on the left side of the slide plate 39, abutting the slide plate 39 and restricting its movement to the left, thereby forming a secondary lock on the locking block 36, ensuring that the adjusting rod 31 and the base plate 2 remain stable during the planing process and will not be displaced due to external forces such as vibration.
[0036] If the depth needs to be adjusted again, first rotate the turntable 41 in the opposite direction to move the limit block 43 upward and release the restriction on the slide plate 39. Then, press the pressing block 37 again to push the locking block 36 to the left to disengage from the locking slot 35, and the depth of the adjusting rod 31 and the base plate 2 can be readjusted.
[0037] 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 depth adjustment locking device for an electric planer, comprising a body (1), characterized in that: The bottom left end of the body (1) is provided with a base plate (2), and the base plate (2) and the left side of the body (1) are provided with an adjustment component (3). The adjustment assembly (3) includes an adjustment rod (31), which is slidably connected to the left side of the body (1). The adjustment rod (31) is fixedly connected to the top of the base plate (2). Connecting plates (33) are fixedly connected to the front and rear sides of the top of the adjustment rod (31). Positioning rods (32) are fixedly connected to the outer sides of the two sets of connecting plates (33). A scale is provided on the right side of the positioning rod (32). Multiple sets of slots (35) are evenly opened on the right side of the left side of the body (1) near the adjustment rod (31). A scale is provided on the front and rear outer sides of the left side of the body (1) near the adjustment rod (31). The positioning groove (34) is in which the positioning rod (32) is inserted into the inner wall of the positioning groove (34). The adjusting rod (31) is slidably connected to the middle right side of the adjusting rod (31). The sliding plate (39) is fixedly connected to the left side of the sliding plate (36). The sliding plate (39) and the adjusting rod (31) are elastically connected by a return spring (311). The adjusting rod (31) is slidably connected to the top right side of the adjusting rod (31). The top of the sliding plate (36) is provided with a pressing groove (310). The left side of the inner wall of the pressing groove (310) is inclined. The pressing rod (38) is inserted into the inner wall of the pressing groove (310).
2. The depth adjustment and locking device for an electric planer according to claim 1, characterized in that: The adjusting rod (31) has a sliding groove (312) in the middle, the sliding plate (39) is slidably connected to the inner wall of the sliding groove (312), the reset spring (311) is set on the inner wall of the sliding groove (312), the pressing rod (38) has a pressing block (37) fixedly connected to the top, and the locking block (36) is locked in the inner wall of the locking groove (35).
3. The depth adjustment and locking device for an electric planer according to claim 1, characterized in that: The positioning rod (32) and the positioning groove (34) are both set up as two sets of dovetail rectangular symmetrical fixed connections.
4. The depth adjustment and locking device for an electric planer according to claim 1, characterized in that: The top and bottom of the right side of the card block (36) are both sloped.
5. The depth adjustment and locking device for an electric planer according to claim 1, characterized in that: The top of the adjusting rod (31) is provided with a locking component (4), which includes a limiting block (43), a threaded rod (44) and a guide rod (42). The threaded rod (44) is fixedly connected to the bottom end of the guide rod (42), and the guide rod (42) passes through and is rotatably connected to the top of the adjusting rod (31).
6. The depth adjustment and locking device for an electric planer according to claim 5, characterized in that: The middle part of the adjusting rod (31) is located above the first slide groove (312) and a second slide groove (45) is provided. The limiting block (43) is vertically slidably connected to the inner wall of the second slide groove (45).
7. The depth adjustment and locking device for an electric planer according to claim 6, characterized in that: The threaded rod (44) passes through and is threadedly connected to the top of the limiting block (43), and the top of the guide rod (42) is fixedly connected to the turntable (41).
8. The depth adjustment and locking device for an electric planer according to claim 7, characterized in that: The limiting block (43) is U-shaped and is located on the left side of the slide plate (39) outside the return spring (311).