CN222696169U

CN222696169U - Telescopic cutting tool

Info

Publication number: CN222696169U
Application number: CN202420921006.1U
Authority: CN
Inventors: 肖红全
Original assignee: Yangzhou Ruisida Machinery Manufacturing Co ltd
Current assignee: Yangzhou Ruisida Machinery Manufacturing Co ltd
Priority date: 2024-04-29
Filing date: 2024-04-29
Publication date: 2025-04-01
Anticipated expiration: 2034-04-29

Abstract

The utility model belongs to the technical field of cutting tools, and particularly relates to a telescopic cutting tool which comprises a fixed base, wherein a fixed block is fixedly arranged on the outer side of the fixed base, a turntable is rotatably arranged between the inner sides of the fixed base, a graduated scale is arranged above the turntable through a moving assembly, the moving distance of a sliding block is adjusted according to the length of a radius, after the sliding block moves to a specified position, a first control handle is controlled to drive a first screw rod to rotate, the first screw rod is abutted to the top of the turntable after rotating, the sliding block is not easy to slide, the height of a blade can be controlled after the sliding block is fixed, a second control handle is controlled to drive a second screw rod to rotate, the second screw rod can drive a clamping block to move after rotating, and the clamping block is enabled to fix the blade.

Description

Telescopic cutting tool

Technical Field

The utility model relates to the technical field of cutting tools, in particular to a telescopic cutting tool.

Background

At present, teaching aids such as universal ruler and compass used in class are single in function, can only be used individually, and sometimes a plurality of classes are needed, so that the teaching aids are inconvenient to carry and easy to lose, for example, round paper sheets are needed when manual production is completed, the round paper sheets can be completed by using compasses and scissors respectively, and the cut circles are not standard, so that teaching tasks are not conveniently and rapidly completed by teachers by fully utilizing class time;

The publication No. CN201033448Y discloses a telescopic cutting tool, which comprises a bracket and compasses, and is characterized in that the bracket consists of a vertical rod and a cross rod, wherein one end of the cross rod is sleeved on the upper part of the vertical rod and can do circular motion around the vertical rod, the other end of the cross rod is sleeved with a downward pipe, the compasses are fixed in the pipe, an iron ruler parallel to the cross rod is also penetrated on the pipe wall of the pipe, a round-cutting knife capable of moving left and right along the iron ruler is sleeved on the iron ruler, and the bottom of the vertical rod of the bracket is not provided with a fixed disc;

When the device is used, a person is required to rotate through the cooperation of two hands when the circular knife is rotated, and the length of the blade is difficult to adjust when the device is used for cutting, so that the device is difficult to cut a plurality of papers, and the device draws circles through the compasses, and the blade and the compasses are easy to interfere with each other, so that a telescopic cutting tool is provided.

Disclosure of utility model

The utility model aims to provide a telescopic cutting tool, which solves the existing problems.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

A telescopic cutting tool comprises a fixed base, a rotary table, a moving assembly and a control assembly, wherein a fixed block is fixedly arranged on the outer side of the fixed base, the rotary table is rotatably arranged between the inner sides of the fixed base, the moving assembly is arranged on the rotary table, and the control assembly is arranged on the fixed base and the fixed block.

As a further improvement of the scheme, the moving assembly comprises a sliding block, a mounting plate, a first screw rod, a first control handle, a fixing sleeve, a second screw rod, a second control handle and a clamping block, wherein the sliding block is slidably mounted between the inner sides of the rotating disc, the mounting plate is fixedly mounted at the top of the sliding block, the first screw rod is threadedly mounted between the inner sides of the mounting plate, the first control handle is fixedly mounted at the top of the first screw rod, the fixing sleeve is fixedly mounted at the top of the sliding block, the second screw rod is threadedly mounted between the inner sides of the fixing sleeve, the second control handle is fixedly mounted at the rear side of the second screw rod, the clamping block is rotatably mounted at the outer side of the other end of the second screw rod, and the clamping block is slidably mounted between the inner sides of the fixing sleeve.

As a further improvement of the above scheme, the control assembly comprises a rotating shaft, a transmission gear and a knob, wherein the rotating shaft is rotatably arranged between the inner sides of the fixed blocks, the transmission gear is fixedly arranged on the outer side of the rotating shaft, and the knob is fixedly arranged on the top of the rotating shaft.

As a further improvement of the scheme, a rotating groove is formed in the top of the fixed base, and the turntable is rotatably arranged between the inner sides of the rotating groove.

As a further improvement of the scheme, the top of the rotating groove is provided with a limiting chute, the bottom of the rotating disc is fixedly provided with a limiting block, and the limiting block is slidably arranged between the inner sides of the limiting chute.

Through adopting above-mentioned technical scheme, make the carousel comparatively stable at pivoted in-process, and make the carousel be difficult for breaking away from unable adjustment base's inboard through the stopper.

As a further improvement of the scheme, a graduated scale is arranged at the top of the rotary table, a sliding groove is formed in the top of the rotary table, and the shape of the sliding block is the same as that of the sliding groove.

Through adopting above-mentioned technical scheme, the scale is convenient for make staff control sliding block remove, and the sliding tray makes the sliding block comparatively stable in the removal in-process.

As a further improvement of the scheme, tooth grooves are formed in the periphery of the outer side of the rotary table, and the transmission gears are meshed with the adjacent tooth grooves.

As a further improvement of the scheme, one side of the mounting plate and one side of the fixing sleeve are provided with threaded holes, and the first screw rod and the second screw rod are installed between the inner sides of the threaded holes in a threaded mode.

Through adopting above-mentioned technical scheme, make first lead screw and second lead screw can cooperate with the screw thread after rotating to make first lead screw and second lead screw can remove.

Compared with the prior art, the utility model has the beneficial effects that:

(1) According to the telescopic cutting tool, the graduated scale is arranged above the turntable through the arranged moving assembly, the moving distance of the sliding block is adjusted according to the length of the radius, after the sliding block moves to the appointed position, the first control handle is controlled to drive the first screw rod to rotate, so that the first screw rod is abutted against the top of the turntable after rotating, the sliding block is not easy to slide, the height of the blade can be controlled after the sliding block is fixed, the second control handle is controlled to drive the second screw rod to rotate, the second screw rod can drive the clamping block to move after rotating, and the clamping block is used for fixing the blade;

(2) According to the telescopic cutting tool, the control knob drives the rotating shaft to rotate after the angle and the length of the blade are adjusted through the control assembly, so that the rotating shaft can drive the transmission gear to rotate after rotating, the transmission gear can drive the rotary table to rotate through the cooperation of the tooth grooves after rotating, the rotary table can drive the blade to move, and therefore personnel can conveniently control the device and are not easy to be cut by the blade.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic perspective view of a retractable cutting tool according to the present utility model;

FIG. 2 is a schematic view of a retractable cutting tool according to the present utility model;

FIG. 3 is a schematic view of a retractable cutting tool according to the present utility model;

FIG. 4 is a schematic view of the portion A in FIG. 3;

Fig. 5 is a schematic perspective view of a portion of a retractable cutting tool according to the present utility model.

The device comprises a fixed base, a fixed block, a rotary table, a sliding block, a 5, a mounting plate, a 6, a first screw rod, a 7, a first control handle, an 8, a fixed sleeve, a 9, a second screw rod, a 10, a second control handle, a 11, a clamping block, a 12, a rotary shaft, a 13, a transmission gear, a14 and a knob.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-5, a retractable cutting tool comprises a fixed base 1, a fixed block 2 fixedly arranged on the outer side of the fixed base 1, a rotary table 3 rotatably arranged between the inner sides of the fixed base 1, a moving assembly arranged on the rotary table 3, and a control assembly arranged on the fixed base 1 and the fixed block 2.

In this embodiment, the moving assembly includes slider 4, mounting panel 5, first lead screw 6, first control handle 7, fixed sleeve 8, second lead screw 9, second control handle 10 and grip block 11, slider 4 slidable mounting is between the inboard of carousel 3, mounting panel 5 fixed mounting is at the top of slider 4, first lead screw 6 threaded mounting is between the inboard of mounting panel 5, first control handle 7 fixed mounting is at the top of first lead screw 6, fixed sleeve 8 fixed mounting is at the top of slider 4, second lead screw 9 threaded mounting is between the inboard of fixed sleeve 8, second control handle 10 fixed mounting is at the rear side of second lead screw 9, grip block 11 rotation is installed in the other end outside of second lead screw 9, grip block 11 slidable mounting is between the inboard of fixed sleeve 8.

In this embodiment, the control assembly includes a rotation shaft 12, a transmission gear 13 and a knob 14, the rotation shaft 12 is rotatably installed between the inner sides of the fixed blocks 2, the transmission gear 13 is fixedly installed at the outer side of the rotation shaft 12, and the knob 14 is fixedly installed at the top of the rotation shaft 12.

In this embodiment, a rotating groove is formed in the top of the fixed base 1, and the turntable 3 is rotatably mounted between the inner sides of the rotating groove.

In this embodiment, the top of the rotation groove is provided with a limiting chute, the bottom of the turntable 3 is fixedly provided with a limiting block, and the limiting block is slidably arranged between the inner sides of the limiting chute.

In this embodiment, a scale is arranged on the top of the turntable 3, a sliding groove is formed in the top of the turntable 3, and the shape of the sliding block 4 is the same as that of the sliding groove.

In this embodiment, a tooth slot is formed on the outer circumference of the turntable 3, and the transmission gear 13 is meshed with an adjacent tooth slot.

In this embodiment, a threaded hole is provided on one side of the mounting plate 5 and the fixing sleeve 8, and the first screw rod 6 and the second screw rod 9 are mounted between the inner sides of the threaded holes in a threaded manner.

The embodiment of the application has the implementation principle that a graduated scale is arranged above the rotary table 3, the moving distance of the sliding block 4 is adjusted according to the length of the radius, after the sliding block moves to a designated position, the first control handle 7 is controlled to drive the first screw rod 6 to rotate, so that the first screw rod 6 is abutted against the top of the rotary table 3 after rotating, the sliding block 4 is not easy to slide, the height of a blade can be controlled after the sliding block 4 is fixed, the second control handle 10 is controlled to drive the second screw rod 9 to rotate, the second screw rod 9 can drive the clamping block 11 to move after rotating, the clamping block 11 is fixed for the blade, after the angle and the length of the blade are adjusted, the control knob 14 can drive the rotating shaft 12 to rotate, the transmission gear 13 can be driven to rotate after rotating, the transmission gear 13 can drive the rotary table 3 to rotate through the cooperation of tooth grooves, the rotary table 3 can drive the blade to move, and the blade can be controlled conveniently and not easily cut by the blade.

In the description of the present specification, the descriptions of the terms "one embodiment," "example," "specific example," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present utility model. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiments or examples. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The utility model provides a retractable cutting tool as described in detail above. The principles and embodiments of the present utility model have been described herein with reference to specific examples, which are intended to be merely illustrative of the methods of the present utility model and their core ideas. It should be noted that it will be apparent to those skilled in the art that various modifications and adaptations of the utility model can be made without departing from the principles of the utility model and these modifications and adaptations are intended to be within the scope of the utility model as defined in the following claims.

Claims

1. A retractable cutting tool, comprising:

The fixed base (1) drives the outer side of the fixed base (1) to be fixedly provided with a fixed block (2), and a turntable (3) is rotatably arranged between the inner sides of the fixed base (1);

The movable assembly comprises a sliding block (4), a mounting plate (5), a first screw rod (6), a first control handle (7), a fixed sleeve (8), a second screw rod (9), a second control handle (10) and a clamping block (11), wherein the sliding block (4) is slidably mounted between the inner sides of the rotating disc (3), the mounting plate (5) is fixedly mounted at the top of the sliding block (4), the first screw rod (6) is threadedly mounted between the inner sides of the mounting plate (5), the first control handle (7) is fixedly mounted at the top of the first screw rod (6), the fixed sleeve (8) is fixedly mounted at the top of the sliding block (4), the second screw rod (9) is threadedly mounted between the inner sides of the fixed sleeve (8), the second control handle (10) is fixedly mounted at the rear side of the second screw rod (9), the clamping block (11) is rotatably mounted at the outer side of the other end of the second screw rod (9), and the clamping block (11) is slidably mounted between the fixed sleeves (8).

The control assembly is arranged on the fixed base (1) and the fixed block (2), and comprises a rotating shaft (12), a transmission gear (13) and a knob (14), wherein the rotating shaft (12) is rotatably arranged between the inner sides of the fixed block (2), the transmission gear (13) is fixedly arranged on the outer side of the rotating shaft (12), and the knob (14) is fixedly arranged on the top of the rotating shaft (12).

2. A retractable cutting tool according to claim 1, wherein the top of the stationary base (1) is provided with a rotating groove, and the turntable (3) is rotatably mounted between the inner sides of the rotating groove.

3. The retractable cutting tool according to claim 1, wherein the top of the rotating groove is provided with a limiting chute, the bottom of the turntable (3) is fixedly provided with a limiting block, and the limiting block is slidably arranged between the inner sides of the limiting chute.

4. The retractable cutting tool according to claim 1, wherein a scale is provided on top of the turntable (3), a sliding groove is provided on top of the turntable (3), and the sliding block (4) has the same shape as the sliding groove.

5. A retractable cutting tool according to claim 1, wherein the outer circumference of the turntable (3) is provided with tooth slots, and the transmission gear (13) is meshed with adjacent tooth slots.

6. A retractable cutting tool according to claim 1, wherein a threaded hole is provided in one side of the mounting plate (5) and the fixing sleeve (8), and the first screw (6) and the second screw (9) are threadedly mounted between the inner sides of the threaded hole.