CN211867627U

CN211867627U - Novel quick detach screwdriver structure

Info

Publication number: CN211867627U
Application number: CN202020355794.4U
Authority: CN
Inventors: 葛文兵
Original assignee: Ningbo Hongyi Plastic Technology Co ltd
Current assignee: Ningbo Hongyi Plastic Technology Co ltd
Priority date: 2020-03-19
Filing date: 2020-03-19
Publication date: 2020-11-06
Anticipated expiration: 2030-03-19

Abstract

The utility model discloses a novel quick detach screwdriver structure, include the cutter arbor and inlay the tool bit of locating the cutter arbor head, the tool bit overcoat has the fixing base, and the notch has been seted up to the fixing base inner wall, and the notch bottom surface is the inclined plane, has installed the steel ball of having connected the release ring in the notch, and the steel ball is connected with the tool bit contact, thereby the release ring removes the length direction removal locking or the release tool bit that will drive the steel ball along the notch bottom surface. A new locking assembly is designed to act on the surface of the tool bit, so that the tool bit can be locked and detached.

Description

Novel quick detach screwdriver structure

Technical Field

The utility model relates to a extracting tool especially relates to a novel quick detach screwdriver structure.

Background

The screwdriver (the screwdriver used in daily life) is widely used for disassembling and assembling various workpieces, and a plurality of combined screwdrivers are available at present for facilitating the disassembling and assembling requirements of workpieces with different sizes. The user can use the method conveniently, and waste of resources is avoided. It is now common to provide a screwdriver with a plurality of different types and sizes of bits.

In order to realize the replaceable function of the screwdriver head, the traditional structure design is that a groove is formed in the surface of the screwdriver head, and then a locking device is arranged on the screwdriver to act on the groove so as to lock the screwdriver head on the screwdriver. When replacement is required, the locking means is withdrawn from the channel and the screwdriver bit can be removed from the screwdriver. That is to say, the screwdriver bits adapted to the screwdriver in the above manner are further processed to form the groove structure so as to realize the installation of the screwdriver bits. This undoubtedly increases the production cost of the product.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that a novel quick detach screwdriver structure is provided, designed new locking Assembly and acted on the tool bit surface, realized the locking and the dismantlement of tool bit.

The utility model provides a technical scheme that above-mentioned technical problem adopted does: the utility model provides a novel quick detach screwdriver structure, includes the cutter arbor and inlays the tool bit of locating the cutter arbor head, tool bit overcoat have a fixing base, the fixing base inner wall seted up the notch, the notch bottom surface be the inclined plane, the notch in install the steel ball of having connected the release ring, steel ball and tool bit contact be connected, thereby the release ring removes the length direction removal locking or the release tool bit that will drive the steel ball along the notch bottom surface.

The utility model discloses further preferred scheme: the cutter arbor head be provided with the appearance groove that holds the tool bit afterbody, the groove wall of holding seted up waist shape hole, the fixing base cover locate the cutter arbor outside and correspond with waist shape hole.

The utility model discloses further preferred scheme: the notch is opposite to the waist-shaped hole, the steel ball arranged in the notch is positioned in the waist-shaped hole, and the peripheral surface of the steel ball passes through the waist-shaped hole to be in contact connection with the outer wall of the cutter head.

The utility model discloses further preferred scheme: the release ring is sleeved outside the fixed seat and the head of the cutter bar and can axially move relative to the cutter bar.

The utility model discloses further preferred scheme: the steel ball is connected with a retainer, the retainer is positioned in the release ring, and the retainer moves along the axial direction of the cutter head to drive the steel ball to move along the length direction of the bottom surface of the notch.

The spring piece is arranged between the release ring and the cutter bar, one end of the spring piece is arranged on the cutter bar, the other end of the spring piece is abutted against the retainer, and the spring piece is in a compression state and applies force to the retainer to move towards the head of the cutter head.

The utility model discloses further preferred scheme: the retainer is connected with the release ring, and the release ring moves to drive the retainer to move synchronously.

The utility model discloses further preferred scheme: the retainer is connected with the release ring through a first connecting piece, and the first connecting piece is of an open annular structure.

The utility model discloses further preferred scheme: the two ends of the first connecting piece are clamped into the release ring, and the periphery of the first connecting piece is embedded into the wall surface of the release ring.

The utility model discloses further preferred scheme: the fixing seat is connected with the cutter bar in a clamping mode through a second connecting piece, and the second connecting piece is of an open annular structure.

Compared with the prior art, the utility model has the advantages of need not to process out the slot on the tool bit (screwdriver bit promptly, also is called batch head), but realize locking and the release to the tool bit through mutually supporting of fixing base and steel ball. The cutter head is sleeved outside the fixed seat, the inner wall of the fixed seat is provided with a notch, and the bottom surface of the notch is an inclined plane. The inclined plane is matched with the steel ball to realize wedge-shaped clamping to the cutter head. The release ring moves to drive the steel ball to move along the length direction of the bottom surface of the notch, and the steel ball moves to one end to lock the cutter head under the action of the bottom surface of the notch so as to fix the cutter head; the steel ball moves to the other end, so that enough space is reserved for the cutter head to apply force, the cutter head is released, and the cutter head can be detached and replaced at the moment. The utility model discloses a new locking Assembly acts on the tool bit surface, realizes the locking and the dismantlement of tool bit.

Drawings

The present invention will be described in further detail below with reference to the drawings and preferred embodiments, but those skilled in the art will appreciate that the drawings are only drawn for the purpose of explaining the preferred embodiments, and therefore should not be taken as limiting the scope of the present invention. Furthermore, unless specifically stated otherwise, the drawings are merely schematic representations based on conceptual representations of elements or structures depicted and may contain exaggerated displays and are not necessarily drawn to scale.

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a cross-sectional view of the present invention;

fig. 3 is a schematic view of the exploded structure of the present invention.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings.

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 to 3: the utility model provides a novel quick detach screwdriver structure, includes cutter arbor 1 and inlays the tool bit 2 of locating cutter arbor 1 head, and 2 overcoat of tool bit have fixing base 3, and notch 4 has been seted up to 3 inner walls of fixing base, and 4 bottom surfaces of notch are the inclined plane, install the steel ball 6 of having connected release ring 5 in the notch 4, and steel ball 6 is connected with tool bit 2 contact, thereby release ring 5 removes the length direction removal that will drive steel ball 6 along the 4 bottom surfaces of notch and locks or release tool bit 2.

The head of the cutter bar 1 is provided with a containing groove 7 for containing the tail part of the cutter head 2, the wall surface of the containing groove 7 is provided with a waist-shaped hole 8, and the fixing seat 3 is sleeved outside the cutter bar 1 and corresponds to the waist-shaped hole 8. The notch 4 is opposite to the waist-shaped hole 8, the steel ball 6 arranged in the notch 4 is positioned in the waist-shaped hole 8, and the peripheral surface of the steel ball 6 penetrates through the waist-shaped hole 8 to be in contact connection with the outer wall of the cutter head 2.

The utility model discloses the setting is held groove 7 and is used for installing tool bit 2, ensures that radial removal can not take place after the installation of tool bit 2. The slotted hole 8 is used for installing the steel ball 6, the steel ball 6 moves in the slotted hole 8, and the inner side of the steel ball 6 penetrates through the slotted hole 8 to act on the surface of the cutter head 2. The fixing seat 3 is arranged outside the waist-shaped hole, the fixing seat 3 acts on the steel ball 6, and the wedge-shaped clamping is realized by matching the steel ball 6.

The release ring 5 is sleeved outside the fixed seat 3 and the head of the cutter bar 1, and the release ring 5 can axially move relative to the cutter bar 1. Set up release ring 5 and be convenient for user operation, the user can be through the position that removes release ring 5 to simple quick realization tool bit 2's assembly and dismantlement realize the quick detach. And the structure of the release ring 5 wraps up other internal parts, so the utility model has the advantages of simple and elegant appearance.

The steel ball 6 is connected with a retainer 9, the retainer 9 is positioned in the release ring 5, and the retainer 9 moves along the axial direction of the cutter head 2 to drive the steel ball 6 to move along the length direction of the bottom surface of the notch 4. The utility model discloses a set up holder 9 and go to drive the removal of steel ball 6, and holder 9's structure and relation of connection will inject holder 9 and can be driven by release ring 5 to only follow axial displacement.

A spring part 12 is arranged between the release ring 5 and the cutter bar 1, one end of the spring part 12 is arranged on the cutter bar 1, the other end of the spring part 12 is propped against the retainer 9, and the spring part 12 is in a compression state and applies force to the retainer 9 to move towards the head part of the cutter head 2. The retainer 9 is connected with the release ring 5, and the release ring 5 moves to drive the retainer 9 to move synchronously. The spring part is used for applying force to the release ring 5 and the steel ball 6, and the steel ball 6 is stably and reliably clamped. The spring part has the function of resetting, and after the release ring 5, the retainer 9 and the steel ball 6 move, the spring part drives the spring part to reset to the initial position.

The holder 9 is connected to the release ring 5 by a first connecting member 10, and the first connecting member 10 is an open ring structure. The utility model discloses in adopt first connecting piece 10 to connect holder 9 and release ring 5. Of course, the engineer in the field can adjust the structure of the first connecting member 10 according to the function as long as the connection of the retainer 9 with the release ring 5 can be achieved.

Both ends of the first connecting member 10 are engaged with the release ring 5, and the outer circumference of the first connecting member 10 is fitted into the wall surface of the release ring 5. For the structural arrangement of the present invention, the structure of the first connecting member 10 is preferred.

The fixing seat 3 is connected with the cutter bar 1 in a clamping mode through a second connecting piece 11, and the second connecting piece 11 is of an open annular structure. The utility model discloses in adopt second connecting piece 11 to connect fixing base 3 and cutter arbor 1. Of course, engineers in the art can adjust the structure of the second connecting member 11 according to the function, as long as the connection between the fixing base 3 and the knife bar 1 can be achieved.

The utility model provides a the angle inclination of 4 bottom surfaces of notch is 1 degree to 12 degrees, does the utility model discloses technical scheme's preferred.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above is to the utility model discloses going on the detailed introduction, having used specific individual example to right in this paper the utility model discloses a principle and implementation mode have been elucidated, and the explanation of above embodiment only is used for helping understanding the utility model discloses and core thought. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a novel quick detach screwdriver structure, includes the cutter arbor and inlays the tool bit of locating the cutter arbor head, its characterized in that the tool bit overcoat have a fixing base, the fixing base inner wall seted up the notch, the notch bottom surface be the inclined plane, the notch in install the steel ball that has connected the release ring, steel ball and tool bit contact be connected, thereby the release ring removes the length direction who will drive the steel ball along the notch bottom surface and removes locking or release tool bit.

2. The novel quick-release screwdriver structure as claimed in claim 1, wherein the head of the screwdriver rod is provided with a slot for accommodating the tail of the screwdriver head, the wall of the slot is provided with a slotted hole, and the fixing seat is sleeved outside the screwdriver rod and corresponds to the slotted hole.

3. The quick-release screwdriver structure as claimed in claim 2, wherein the slot is opposite to the slotted hole, the steel ball installed in the slot is located in the slotted hole, and the outer peripheral surface of the steel ball passes through the slotted hole to be in contact connection with the outer wall of the screwdriver head.

4. The quick release screwdriver as claimed in claim 1, wherein the release ring is sleeved on the holder and the head of the screwdriver rod, and the release ring is axially movable relative to the screwdriver rod.

5. The quick release screwdriver structure as claimed in claim 1, wherein the steel ball is connected to a retainer, the retainer is located in the release ring, and the axial movement of the retainer along the screwdriver head drives the steel ball to move along the length direction of the bottom surface of the slot.

6. The quick release screwdriver structure as claimed in claim 5, wherein a spring element is disposed between the release ring and the screwdriver rod, one end of the spring element is mounted on the screwdriver rod, the other end of the spring element abuts against the holder, and the spring element is in a compressed state and applies a force to the holder to move towards the head of the screwdriver bit.

7. The quick release screwdriver as claimed in claim 5, wherein the retainer is connected to a release ring, and the release ring moves to move the retainer synchronously.

8. The quick release screwdriver as claimed in claim 7, wherein the retainer is connected to the release ring via a first connecting member, the first connecting member being an open ring structure.

9. The structure of claim 8, wherein the two ends of the first connecting member are engaged with the release ring, and the outer circumference of the first connecting member is engaged with the wall surface of the release ring.

10. The quick-release screwdriver structure as claimed in claim 1, wherein the fixing base is clamped to the screwdriver rod by a second connecting member, and the second connecting member is an open ring structure.