Quick-locking lifting structure

Abstract

The utility model provides a quick-locking lifting structure. The quick-locking lifting structure comprises a base, an opening is formed in the base to form a fixing frame used for locking an edge trimmer body, an opening groove is formed in one side of the fixing frame, the two sides of the opening groove extend outwards to form connecting protruding blocks, a screw is movably connected into each connecting protruding block, the head of each screw is rotationally connected with an adjusting wrench, and the adjusting wrench is movably connected with the base. The tail portion of the screw rod penetrates through the connecting protruding block and is detachably connected with the connecting protruding block, the displacement of the screw rod is adjusted by pulling the adjusting wrench, and the distance between the opening grooves is controlled so that locking and loosening of the fixing frame can be achieved. The structure is simple, cost is saved, adjusting precision is high, and locking is convenient and fast.

Description

Technical Field

[0001] This utility model relates to a quick-lock lifting structure. Background Technology

[0002] The edge trimmer is one of the most essential and frequently used tools for all woodworkers. With different cutters, the edge trimmer can be used to create different shapes. Its functions include carving, edge trimming, chamfering, rounding, grooving, and more. Existing electric edge trimmers generally consist of a base and a body. The height of the cutter is adjusted by a lifting mechanism, but the existing adjustment mechanism is cumbersome to operate and has low adjustment accuracy. Utility Model Content

[0003] In view of the defects of existing adjustment structures, the technical problem to be solved by this utility model is to provide a quick-lock lifting structure that is simple to operate and has high adjustment accuracy.

[0004] To achieve the above objectives, according to one aspect of this utility model, the present utility model is implemented through the following technical measures: a quick-lock lifting structure, comprising: a base, wherein the base has an internal opening forming a fixed frame for locking the body of a trimming machine; an opening groove is provided on one side of the fixed frame; connecting protrusions are formed by extending outwards on both sides of the opening groove; a screw is movably connected within the connecting protrusion; an adjusting wrench is rotatably connected to the head of the screw; and the tail of the screw passes through the connecting protrusion and is detachably connected to the connecting protrusion. By adjusting the adjusting wrench, the displacement of the screw is adjusted, and the spacing of the opening groove is controlled to achieve locking and unlocking of the fixed frame.

[0005] Furthermore, the fixing frame is cylindrical, and the connecting protrusion has a screw hole to facilitate screw movement. Near the tail of the screw, there is also a nut hole outside the screw hole, in which a nut is engaged and the nut hole limits the position of the nut.

[0006] Furthermore, the adjusting wrench is an arc-shaped block with reinforcing ribs inside. It has connectors on both the top and bottom sides of one end. The contact surfaces of the connectors, from the side furthest from the adjusting wrench to the side closest to it, are sequentially a first contact surface, a second contact surface, and a third contact surface. An arc-shaped adjusting surface is formed between the first and second contact surfaces, and a chamfer is formed between the second and third contact surfaces to facilitate sliding. A connecting hole is formed on the connector, positioned close to the adjusting surface and away from the third contact surface. The head of the screw is hinged to the connecting hole of the adjusting wrench, and the adjusting wheel rotates around the screw. The tail of the screw has an external thread.

[0007] Furthermore, an adjusting wheel is provided between the connecting protrusions, and the adjusting wheel has a central hole and a gear on its outer ring.

[0008] Furthermore, a washer is provided on the contact side between the connector of the adjusting wrench and the connecting protrusion. The washer is used to adjust the distance and protect the connecting protrusion. The screw passes through the washer, the bolt hole of one connecting protrusion, the adjusting wheel and the bolt hole of another connecting protrusion in sequence. After the screw contacts the nut, the adjusting wrench is rotated, and the adjusting wrench drives the screw to rotate, so that the screw is turned into the nut.

[0009] Compared with the prior art, the advantages of this utility model are: simple structure, cost-saving, high adjustment accuracy, and convenient and quick locking. Attached Figure Description

[0010] The accompanying drawings, which form part of this utility model, are used to provide a further understanding of the utility model. The illustrative embodiments of the utility model and their descriptions are used to explain the utility model and do not constitute an undue limitation of the utility model. In the drawings:

[0011] Figure 1 This is a schematic diagram of a quick-lock lifting structure according to the present invention.

[0012] Figure 2 This is an exploded view of a quick-lock lifting structure according to the present invention.

[0013] Figure 3 This is a schematic diagram of the base structure described in this utility model.

[0014] Explanation of reference numerals in the attached drawings: 1. Base; 2. Adjusting wrench; 3. Nut; 4. Fixing frame; 5. Opening slot; 6. Connecting protrusion; 7. Screw; 8. Screw hole; 9. Adjusting wheel; 10. Washer; 11. Reinforcing rib; 12. Third contact surface; 13. Second contact surface; 14. Adjusting surface; 15. First contact surface; 16. Nut hole. Detailed Implementation

[0015] The present invention will be described in detail below with reference to the accompanying drawings and embodiments. It should be noted that, unless otherwise specified, the embodiments and features described in the present application can be combined with each other.

[0016] In the description of this utility model, it should be understood that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", "bottom", "top", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0017] Please refer to Figure 1 , Figure 2 , Figure 3The quick-lock lifting structure includes: a base 1, with an internal opening forming a fixed frame 4 for locking the trimming machine body; an opening slot 5 on one side of the fixed frame 4; connecting protrusions 6 extending outward on both sides of the opening slot 5; a screw 7 movably connected inside the connecting protrusion 6; an adjusting wrench 2 rotatably connected to the head of the screw 7; and the tail of the screw 7 passing through the connecting protrusion 6 and detachably connected to it. By adjusting the wrench 2, the displacement of the screw 7 is adjusted, and the spacing of the opening slot 5 is controlled to achieve locking and unlocking of the fixed frame 4.

[0018] The fixing frame 4 is cylindrical. The connecting protrusion 6 has a screw hole 8 to facilitate the movement of the screw 7. A nut hole 16 is also provided outside the screw hole 8 near the tail of the screw 7. A nut 3 is engaged in the nut hole 16, which limits the position of the nut 3.

[0019] The adjusting wrench 2 is an arc-shaped block with a reinforcing rib 11 inside. It has connecting heads on both the upper and lower sides of one end. The contact surfaces of the connecting heads from the side away from the adjusting wrench 2 to the side closer to the adjusting wrench 2 are, in sequence, a first contact surface 15, a second contact surface 13, and a third contact surface 12. An arc-shaped adjusting surface 14 is formed between the first contact surface 15 and the second contact surface 13. A chamfer is formed between the second contact surface 13 and the third contact surface 12 to facilitate sliding. A connecting hole is formed on the connecting head. The connecting hole is located close to the adjusting surface 14 and away from the third contact surface 12. The head of the screw 7 is hinged to the connecting hole of the adjusting wrench 2. The adjusting wheel 9 rotates around the screw 7. The tail of the screw 7 has an external thread.

[0020] An adjusting wheel 9 is also provided between the connecting protrusions 6. The adjusting wheel 9 has a central hole and a gear on its outer ring.

[0021] The connector of the adjusting wrench 2 is provided with a washer 10 on the contact side with the connecting protrusion 6. The washer 10 is used to adjust the distance and protect the connecting protrusion 6. The screw 7 passes through the washer 10, the bolt hole of one connecting protrusion 6, the adjusting wheel 9 and the bolt hole of another connecting protrusion 6 in sequence. After the screw 7 contacts the nut 3, the adjusting wrench 2 is rotated, and the adjusting wrench 2 drives the screw 7 to rotate, so that the screw 7 rotates into the nut 3.

[0022] When the quick-lock lifting structure of this utility model needs adjustment, the adjusting wrench 2 is pulled outward to bring the adjusting surface 14 close to the pad 10, the locking of the base 1 fixing frame 4 to the trimming machine body is released, and the trimming machine body is moved up and down to adjust to the appropriate position. During the adjustment, the adjusting wheel 9 and the rack of the trimming machine are engaged, which can make the position adjustment more convenient and precise. Rotating the adjusting wrench 2 drives the screw 7 to rotate to the appropriate position, so that the adjusting wrench 2 is engaged with the connecting protrusion 6. Pulling the adjusting wrench 2 presses the adjusting wrench 2 towards the connecting protrusion 6. During the pressing process, the second contact surface 13 of the adjusting wrench 2 begins to contact the pad 10 or the side of the connecting protrusion 6. Next, the third contact surface 12 begins to contact the side of the pad 10 or the connecting protrusion 6. After the concave part of the adjusting wrench 2 contacts the connecting protrusion 6, the locking is completed. Since the distance from the third contact surface 12 to the connecting hole is greater than the distance from the adjusting surface 14 to the connecting hole, during the locking process, the screw 7 will be pulled towards the connecting hole, causing the opening slot 5 of the base 1 fixing frame 4 to become smaller and smaller until it bites the trimming machine body to complete the locking. When locking, the adjusting wrench 2 can also move the convex surface towards the cylindrical fixing frame 4 in the opposite direction. After the first contact surface 15 and the convex surface of the adjusting wrench 2 slide past the outside of the cylindrical fixing hole, the locking is completed.

[0023] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model. Various changes and modifications can be made to this utility model by those skilled in the art. Any modifications, equivalent substitutions, or improvements made within the spirit and principles of this utility model should be included within the protection scope of this utility model.

Claims

1. A quick-lock lifting structure, comprising: A base, the interior of which has an opening forming a fixing frame for locking the body of the trimming machine, is characterized in that an opening groove is formed on one side of the fixing frame, and connecting protrusions are formed on both sides of the opening groove. A screw is movably connected inside the connecting protrusion, and an adjusting wrench is rotatably connected to the head of the screw. The tail of the screw passes through the connecting protrusion and is detachably connected to the connecting protrusion. By moving the adjusting wrench, the displacement of the screw is adjusted, and the spacing of the opening groove is controlled to achieve locking and loosening of the fixing frame.

2. The quick-lock lifting structure according to claim 1, characterized in that: The fixing frame is cylindrical, and a screw hole is opened in the connecting protrusion. A nut hole is also opened outside the screw hole near the tail of the screw. A nut is locked in the nut hole, and the nut hole limits the position of the nut.

3. The quick-lock lifting structure according to claim 2, characterized in that: The adjusting wrench is an arc-shaped block with reinforcing ribs inside. Connecting heads are located on both the top and bottom of one end. The contact surfaces of the connecting heads, from the side furthest from the adjusting wrench to the side closest to it, are sequentially designated as a first contact surface, a second contact surface, and a third contact surface. An arc-shaped adjusting surface is formed between the first and second contact surfaces, and a chamfer is formed between the second and third contact surfaces to facilitate sliding. A connecting hole is formed on the connecting head, positioned close to the adjusting surface and away from the third contact surface. The head of the screw is hinged to the connecting hole of the adjusting wrench, and the adjusting wheel rotates around the screw. The tail of the screw has an external thread.

4. The quick-lock lifting structure according to claim 3, characterized in that: An adjusting wheel is also provided between the connecting protrusions. The adjusting wheel has a central hole and a gear on its outer ring.

5. The quick-lock lifting structure according to claim 4, characterized in that: The connector of the adjusting wrench has a washer on the contact side with the connecting protrusion. The washer is used to adjust the distance and protect the connecting protrusion. The screw passes through the washer, the bolt hole of one connecting protrusion, the adjusting wheel and the bolt hole of another connecting protrusion in sequence. After the screw contacts the nut, the adjusting wrench is rotated, and the adjusting wrench drives the screw to rotate, so that the screw is turned into the nut.

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