Dustproof sealing structure of powerful knife handle

Abstract

The utility model is suitable for the technical field of powerful knife handles, and provides a powerful knife handle dustproof sealing structure which comprises a sealing cap, the sealing cap is connected to the powerful knife handle in a threaded mode, an eccentric ring is fixedly connected in the sealing cap and can be connected with a collet in a clamping mode so that a knife bar can be fixed conveniently, and containing spaces are formed in the top and the interior of the sealing cap so that the collet and the knife bar can be installed conveniently. A sealing gasket playing a dustproof role is connected to the top of the sealing cap in a clamped mode, the sealing gasket plays a dustproof role, scrap iron and the like are prevented from entering the inner wall of the cutter handle in the machining process, and pollution to the collet chuck can be avoided, and the end, away from the top of the sealing cap, of the sealing gasket abuts against an auxiliary gasket. The auxiliary gasket is fixedly connected with a plurality of abutting pieces driving the sealing gasket to be tightly attached to the sealing cap, and the abutting pieces can improve the sealing effect of the sealing gasket.

Description

TECHNICAL FIELD

[0001] The utility model relates to strong force tool shank technical field especially relates to a strong force tool shank dustproof sealing structure. BACKGROUND

[0002] The tool shank is equipped with a middle hole inner cavity, a collet is arranged in the conical inner cavity of the front end of the tool shank, is fixed through a nut, is rotated through a tool to the nut, makes the collet open or close, and the tool is clamped, but when the tool works, a large amount of chippings and other impurities will enter the tool shank through the gap between the collet and the nut, is difficult to clean and affects the service life of the tool shank.

[0003] The utility model discloses a side pressure type strong force clamping tool shank, including: tool head assembly, concentric sleeve, tool rod and side fixed screw, tool head assembly has mounting hole and the side fixed screw hole that communicates mounting hole, concentric sleeve is connected in mounting hole, and concentric sleeve and mounting hole are interference fit, and concentric sleeve has concentric hole, and concentric sleeve has deformation piece, tool rod one end is connected in concentric hole, and tool rod and concentric hole clearance fit, side fixed screw is connected in side fixed screw hole, and side fixed screw is resisted in deformation piece, makes deformation piece press tightly fixed tool rod, the end of the above-mentioned tool shank cannot effectively protect iron filings and other impurities, and chippings are easy to enter the tool shank, affect use.

[0004] From the above, it is obvious that the prior art has inconvenience and defects in actual use, so it is necessary to improve. UTILITY MODEL CONTENTS

[0005] In view of the above-mentioned defects, the utility model discloses a strong force tool shank dustproof sealing structure, which can prevent dust and chippings, prevent iron filings and other impurities from entering the inner wall of the tool shank during processing, and pollute the collet.

[0006] In order to achieve the above-mentioned purpose, the utility model provides a strong force tool shank dustproof sealing structure, which comprises a sealing cap, the top and the inside of the sealing cap are provided with accommodating spaces, the top of the sealing cap is clamped with a sealing gasket for dust prevention, one end of the sealing gasket away from the top of the sealing cap is abutted with a secondary gasket, and a plurality of abutting pieces for tightly abutting the sealing gasket and the sealing cap are fixedly connected to the secondary gasket.

[0007] According to the strong force tool shank dustproof sealing structure, the top of the sealing cap is provided with a clamping groove, a plurality of limiting pins are fixedly connected to the inner wall of the clamping groove, and threads are arranged on the inner wall of the sealing cap.

[0008] According to the powerful dustproof sealing structure of the present invention, a boss is engaged in the slot, the boss is fixed to the sealing gasket, and a plurality of limiting grooves matching the limiting pins are fixed to the outer circle of the boss.

[0009] According to the powerful dustproof sealing structure of the present invention, the secondary gasket is provided with a limiting ring, and a sealing ring is snapped into the limiting ring. The two sides of the sealing ring abut against the sealing gasket and the secondary gasket respectively.

[0010] According to the powerful dustproof sealing structure of the knife handle of this utility model, the abutting member is a spring piece, one end of the spring piece is fixed to the auxiliary gasket, and the movable end of the spring piece abuts against the sealing gasket.

[0011] According to the powerful dustproof sealing structure of the tool handle of this utility model, the outer edge of the auxiliary gasket abuts against the eccentric ring, and the eccentric ring is fixed inside the sealing cap.

[0012] This utility model provides a powerful dustproof sealing structure for a tool holder, comprising: a sealing cap, which is screwed onto the powerful tool holder; an eccentric ring is fixed inside the sealing cap to engage a collet, thereby facilitating the fixation of the tool holder; the top and interior of the sealing cap are provided with receiving spaces to facilitate the installation of the collet and the tool holder; a dustproof sealing gasket is engaged at the top of the sealing cap, which prevents iron filings and other materials from entering the inner wall of the tool holder during machining and contaminating the collet; a secondary gasket is abutted at the end of the sealing gasket away from the top of the sealing cap, and several abutting members are fixed on the secondary gasket to drive the sealing gasket to fit tightly against the sealing cap, thereby improving the sealing effect of the sealing gasket;

[0013] The beneficial effects of this utility model are as follows: the sealing gasket can prevent dust and chips, and the spring piece fixed on the auxiliary gasket can drive the protrusion on the sealing gasket to fit tightly against the slot, thereby improving the sealing effect and preventing iron filings and other materials from entering the inner wall of the tool holder during the machining process and causing contamination to the collet. Attached Figure Description

[0014] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0015] Figure 2 This is an exploded view of this utility model;

[0016] Figure 3 This is a utility model Figure 2 A magnified view of part A in the diagram;

[0017] In the diagram, 1-sealing cap, 11-slot, 13-eccentric ring, 12-limiting pin, 2-sealing gasket, 21-boss, 23-limiting groove, 3-secondary gasket, 31-spring, 32-limiting ring, 4-sealing ring. Detailed Implementation

[0018] In order to make the purpose, technical scheme and advantages of the utility model clearer, the utility model will be described in further detail below in combination with the drawings and examples, and it should be understood that the specific examples described herein are only used to explain the utility model and not to limit the utility model.

[0019] Referring to Figures 1 to 3 The utility model provides a dustproof sealing structure of strong tool shank, this dustproof sealing structure of strong tool shank includes: sealing cap 1, sealing cap 1 is screwed on strong tool shank, eccentric ring 13 is fixedly connected in sealing cap 1, can be clamped sleeve clamp, to facilitate the fixation of tool bar, the top and inside of sealing cap 1 are equipped with accommodating space, and it is convenient for sleeve clamp and tool bar installation, the top of sealing cap 1 is clamped with dustproof sealing washer 2, dustproof sealing washer 2 plays dustproof effect, avoids the iron filings in the machining process to enter the inner wall of tool shank, and sleeve clamp can be contaminated, the one end of dustproof sealing washer 2 away from the top of sealing cap 1 is abutted with vice washer 3, a plurality of abutting members that make dustproof sealing washer 2 and sealing cap 1 close are fixedly connected on vice washer 3, and the abutting member can improve the sealing effect of dustproof sealing washer 2.

[0020] Referring to Figures 1 to 3 Preferably, the top of the sealing cap 1 of the utility model is provided with a clamping groove 11, a plurality of limiting pins 12 are fixedly connected on the inner wall of the clamping groove 11, and threads are provided on the inner wall of the sealing cap 1, so as to facilitate the screwing of the sealing cap 1 on the tool shank.

[0021] Referring to Figures 1 to 3 In addition, the clamping groove 11 of the utility model is clamped with a boss 21, the boss 21 is fixedly connected to the dustproof sealing washer 2, and a plurality of limiting grooves 23 matched with the limiting pins 12 are fixedly connected to the outer circle of the boss 21 to ensure the stable sealing of the dustproof sealing washer 2.

[0022] Referring to Figures 1 to 3 Further, the vice washer 3 of the utility model is provided with a limiting ring 32, a sealing ring 4 is clamped in the limiting ring 32, the two sides of the sealing ring 4 are respectively abutted to the dustproof sealing washer 2 and the vice washer 3, and the limiting ring 32 can limit the displacement of the sealing ring 4 to improve the sealing effect.

[0023] Referring to Figures 1 to 3 Better, the abutting member of the utility model is provided as a spring piece 31, one end of the spring piece 31 is fixedly connected to the vice washer 3, and the movable end of the spring piece 31 is abutted to the dustproof sealing washer 2; the outer edge of the vice washer 3 is abutted to the eccentric ring 13, the eccentric ring 13 is fixedly connected in the sealing cap 1, and the eccentric ring 13 can facilitate the installation of the sleeve clamp.

[0024] Working principle: the sealing gasket 2 is clamped on the top of the sealing cap 1, the sealing gasket 2 can prevent iron filings generated in the machining process from entering the inside of the tool holder, reduce maintenance time, and improve the service life of the chuck and the tool holder, and the sealing ring 4 is arranged in the limiting ring 32, the sealing ring 4 can increase the sealing effect, and the sub gasket 3 is abutted on the sealing gasket 2, and the plurality of elastic sheets 31 are arranged between the sub gasket 3 and the sealing gasket 2, when the sealing cap 1 is installed and tightened, the elastic sheet 31 is abutted on the sealing gasket 2, drives the sealing gasket 2 to tightly adhere to the top of the sealing cap 1, and improves the sealing effect.

[0025] In conclusion, the utility model provides a kind of strong tool holder dustproof sealing structure, including: sealing cap, sealing cap is screwed in strong tool holder, eccentric ring is fixedly connected in sealing cap, can be clamped chuck, to be convenient for fixed tool bar, the top and inside of the sealing cap are equipped with accommodating space, it is convenient for chuck and tool bar installation;The top of the sealing cap is clamped with the dustproof sealing gasket, and the dustproof sealing gasket plays a dustproof role, avoids the iron filings in the machining process to enter the inner wall of tool holder, and the chuck can be contaminated, the end of the dustproof sealing gasket away from the top of the sealing cap is abutted with sub gasket, and a plurality of abutting members for driving dustproof sealing gasket and sealing cap are fixedly connected on the sub gasket, and the abutting member can improve the sealing effect of dustproof sealing gasket;The utility model has the beneficial effects that: through dustproof sealing gasket, dustproof and dirt prevention effect can be achieved, and through the elastic sheet fixedly connected on the sub gasket, the boss on dustproof sealing gasket can be driven to tightly adhere to the clamping groove, and the sealing effect is improved.

[0026] Of course, the utility model can also have other various embodiments, and those skilled in the art can make various corresponding changes and modifications according to the utility model without departing from the spirit and essence of the utility model, but these corresponding changes and modifications should all belong to the protection scope of the claims attached to the utility model.

Claims

1. A powerful dustproof and sealing structure for knife handles, characterized in that, The utility model relates to a sealing cap for a battery, which comprises: a sealing cap, the top and interior of which are provided with a containing space; the top of the sealing cap is clamped with a sealing gasket for dustproof, the end of the sealing gasket away from the top of the sealing cap is abutted with a secondary gasket, the secondary gasket is fixedly connected with a plurality of abutting pieces for driving the sealing gasket to be close to the sealing cap.

2. The dust seal structure for a powerful tool shank according to claim 1, wherein the top of the sealing cap is provided with a clamping groove, the inner wall of the clamping groove is fixedly connected with a plurality of limiting pins, and the inner wall of the sealing cap is provided with threads.

3. The dust seal structure for a powerful tool shank according to claim 2, wherein the clamping groove is clamped with a boss, the boss is fixedly connected with the sealing gasket, and the outer circle of the boss is fixedly connected with a plurality of limiting grooves matched with the limiting pins.

4. The dust seal structure for a powerful tool shank according to claim 1, wherein the secondary gasket is provided with a limiting ring, the limiting ring is clamped with a sealing ring, and the two sides of the sealing ring are respectively abutted with the sealing gasket and the secondary gasket.

5. The dust seal structure for a powerful tool shank according to Claim 1, wherein the abutting piece is provided as an elastic sheet, one end of the elastic sheet is fixedly connected with the secondary gasket, and the movable end of the elastic sheet is abutted with the sealing gasket.

6. The dust seal structure for a powerful tool holder according to claim 2, wherein the outer edge of the secondary gasket is abutted with an eccentric ring, and the eccentric ring is fixedly connected in the sealing cap.

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