CN212295518U

CN212295518U - Novel putty knife handle with rotary screwdriver head

Info

Publication number: CN212295518U
Application number: CN202020684337.XU
Authority: CN
Inventors: 黎逸韬
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-28
Filing date: 2020-04-28
Publication date: 2021-01-05
Anticipated expiration: 2030-04-28

Abstract

The utility model relates to the technical field of putty knives, in particular to a novel putty knife handle with a rotary screwdriver head, which is characterized in that a fixed part fixedly connected with a putty knife blade and a movable part connected with a screwdriver head are arranged, the movable part is hinged with the fixed part, and the screwdriver head is added on the basis of the putty knife; through setting up the spacing portion with fixed part fixed connection, the movable part has first laminating plane and the second laminating plane of being connected through connecting, spacing portion has can follow the elasticity of contradicting with first laminating plane and becoming to contradict with second laminating plane, the movable part is in first stop position when spacing portion contradicts with first laminating plane, the movable part is in the second stop position when the second laminating plane of spacing portion and movable part is contradicted, the elastic connection of spacing portion can be at the movable part rotation inhibit movement when at first, this kind of structure is more convenient than free rotation's screwdriver head use, the inconvenient problem of use that leads to is rotated at will to screwdriver head in the traditional structure has been solved.

Description

Novel putty knife handle with rotary screwdriver head

Technical Field

The utility model relates to a putty knife technical field especially relates to a novel rotatory putty knife handle of criticizing head in area.

Background

The putty knife is also called a scraper, is summarized in a paint auxiliary tool, is simple and convenient to use, can be used in various modes of scraping, shoveling, coating and filling, and is widely used in the field of building construction and life.

The putty knife generally comprises blade and handle, and the putty knife handle generally has the mounting groove of restriction blade motion, and the afterbody of blade generally is provided with spacing post, and this spacing post can be the spacing post of cuboid, and this mounting groove can be with the mounting groove of cuboid adaptation. During installation, the limiting column is inserted into the installation groove to limit the rotation direction, the tail part of the blade is directly glued, or a limiting ring is sleeved on the tail part of the blade and glued on the handle to limit the axial movement;

the putty knife handle can also be provided with a hinged screwdriver head, but the screwdriver head can rotate freely in the using process. The putty knife handle of this construction has the following problems:

(1) the screwdriver head and the putty knife handle can rotate freely, and when the screwdriver head is stressed, the screwdriver head is very easy to rotate with the putty knife handle, so that the screwdriver is inconvenient to use.

(2) Because the blade of putty knife is atred for a long time in the use, the handle of this kind of structure adopts the adhesive connection mode such as gluing, leads to the problem that blade and handle of a knife break away from in the axial direction of spacing post easily, causes the fault rate height.

(3) The function is single, if meet in the use and need strike when need drive the object such as wall foreign matter, need prepare the instrument in addition, influence work efficiency.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a novel rotatory putty knife handle of criticizing head in area that has the screwdriver head free rotation of preventing, convenient to use, the function characteristics more abundant.

A novel putty knife handle with a rotary screwdriver bit comprises:

the fixing part is fixedly connected with the putty knife blade;

the movable part is hinged with the fixed part and provided with a first attaching plane and a second attaching plane, the first attaching plane and the second attaching plane are connected through a connecting surface, and the connecting surface is provided with a middle position; the movable part is connected with a screwdriver head;

the limiting part is fixedly connected with the fixing part and has elasticity which can be changed from the shape of abutting against the first attaching plane to the shape of abutting against the second attaching plane; when the limiting part is in a first state of abutting against the first attaching plane, the movable part is in a first stop position, and when the limiting part is in a second state of abutting against the second attaching plane, the movable part is in a second stop position;

when the movable part is positioned between the first stop position and the middle position, the limiting part is abutted against the movable part and enables the movable part to rotate from the middle position to the first stop position through elastic acting force, and when the movable part is positioned between the middle position and the second stop position, the limiting part is abutted against the movable part and enables the movable part to rotate from the middle position to the second stop position through elastic acting force.

The novel putty knife handle with the rotary screwdriver head can be additionally applied to a base for applying the putty knife by arranging a fixed part fixedly connected with the putty knife blade and a movable part connected with the screwdriver head, and the movable part is hinged with the fixed part; the movable part is provided with a first attaching plane and a second attaching plane which are connected through a connecting surface, and the limiting part has elasticity which can be changed from the state of being abutted against the first attaching plane to the state of being abutted against the second attaching plane, so that the movable part and the fixed part are elastically connected through the limiting part, when the limiting part is abutted against the first attaching plane of the movable part, the movable part connected with the screwdriver bit is positioned at a first stop position, and when the limiting part is abutted against the second attaching plane of the movable part, the movable part connected with the screwdriver bit is positioned at a second stop position, and the structure can realize two stop positions of the screwdriver bit; the connecting surface is provided with a middle position, when the movable part is positioned between the first stop position and the middle position, the limiting part is abutted with the movable part and enables the movable part to rotate from the middle position to the first stop position through elastic acting force, when the movable part is positioned between the middle position and the second stop position, the limiting part is abutted with the movable part and enables the movable part to rotate from the middle position to the second stop position through elastic acting force, therefore, when the screwdriver bit is used, the limiting part can inhibit the rotation between the first stop position and the middle position when the movable part is positioned between the first stop position and the middle position through the reaction force of the screwdriver bit on the movable part, and simultaneously, after the screwdriver bit is used, when the movable part is rotated between the middle position and the first stop position, the limiting part can push the rotation between the middle position and the first stop position, the screwdriver head with the structure is very convenient to use, is more convenient to use than a freely-rotating screwdriver head, and solves the problem that the screwdriver head is inconvenient to use due to random rotation in the traditional putty knife with the screwdriver head.

Further preferably, the connection surface is a cylindrical surface, the limiting portion has a contact plane, the connection surface is a cylindrical surface, and the limiting portion has a contact plane;

the contact plane is in contact with the cylindrical surface, and when the included angle between the contact plane and the first attaching plane and the included angle between the contact plane and the second attaching plane are equal, the contact position between the contact plane and the cylindrical surface is a middle position;

when the contact plane is in a first state of abutting against the first attaching plane, the movable part is in a first stop position;

when the contact plane is in a second state of abutting against the second attaching plane, the movable part is in a second stop position.

Through the setting of cylinders such as elliptic cylinder, straight cylinder face, make and connect the face and have a intermediate position, and when crossing this intermediate position, the movable part can rotate along this cylinder, and convenient laborsaving, and prevent the screwdriver head from rotating at will.

Further preferably, the limiting part is a spring piece, one end of the spring piece is fixed on the fixed part, and the other end of the spring piece is abutted against the movable part.

The spring piece is arranged so that one end of the spring piece can elastically deform with the fixed part as a fulcrum and the other end of the spring piece.

Further preferably, the spring plate has a square-shaped tail portion, and the fixing portion has a first square-shaped groove adapted to the shape of the tail portion of the spring plate;

the spring piece is also provided with a head part which is integrally connected with the tail part, the head part is a strip-shaped head part, and the contact plane is arranged on the head part.

The first square groove on the fixing part is matched with the square tail part of the spring piece, so that the tail part of the spring piece cannot rotate and translate, and the head part is set to be strip-shaped and can increase the elastic deformation amount compared with other shapes such as a plate. The integrally connected head and tail reduce the probability of failure during split type setting.

Further preferably, the movable portion is further provided with a head receiving cavity for receiving the strip-shaped head from the first state to the second state.

The elastic deformation of the strip-shaped head can be accommodated by arranging the head accommodating cavity.

Further preferably, the movable portion further comprises a boss, the screwdriver bit is arranged on one side of a hinge point of the movable portion and the fixed portion, and the boss is arranged on the opposite side of one side of the screwdriver bit, which is centered on the hinge point of the movable portion and the fixed portion.

The movable part is provided with a boss which is arranged on the opposite side of one side of the screwdriver head with the hinge point of the movable part and the fixed part as the center, and the boss can be pressed by fingers on the opposite side to enable the movable part to rotate from a first stop position to a second stop position.

Further preferably, the movable portion further comprises a knocking stage, and the knocking stage is arranged on the opposite side of one side of the screwdriver bit, which is centered on a hinge point of the movable portion and the fixed portion.

Set up on the movable part and strike the platform, should strike the platform and set up the opposite side of using this screwdriver head one side of this movable part and fixed part pin joint as the center, can switch the screwdriver head and strike the platform and use, can select to use screwdriver head or strike one of the platform, because the existence of spring leaf, when using to strike the platform, should strike the platform and can not rotate at will.

Further preferably, the fixing portion is further provided with a second square groove, and the second square groove is matched with the tail portion of the putty knife blade in shape.

Set up the square groove of second on the fixed part, through the installation of the square groove of second putty knife blade that has square afterbody, this square groove of second can also be replaced with the groove of other shapes to the adaptation has the putty knife blade of different shapes afterbody.

Further preferably, the movable part is further provided with a screwdriver head mounting groove, a magnet is fixedly connected in the screwdriver head mounting groove, and the movable part is detachably connected with a screwdriver head through magnetic attraction.

The screwdriver head mounting groove is formed in the movable part, and the magnet is arranged in the screwdriver head mounting groove, so that the screwdriver head with ferromagnetism can be detachably connected with the movable part through magnetic attraction.

Preferably, the novel putty knife handle with the rotary screwdriver head further comprises a copper pipe, the fixed part and the movable part are sequentially sleeved on the copper pipe to realize hinging, and two end faces of the copper pipe are provided with annular bulges which limit the fixed part and the movable part on the copper pipe;

the fixing part is also provided with a screwdriver head accommodating cavity;

the fixing part is a split type fixing part connected with the upper shell and the lower shell.

The fixed part and the movable part are sequentially sleeved on the copper pipe to realize hinging, and the fixed part and the movable part are limited on the copper pipe by arranging annular bulges on two end surfaces of the copper pipe; the screwdriver head accommodating cavity is formed in the fixing portion to accommodate the fixing portion, so that the movable portion can be arranged in the screwdriver head accommodating cavity when being located at the first position, the screwdriver head can be rotated out, and the screwdriver head is not required to be installed before use. The fixing part is arranged to be a split type fixing part combined by the upper shell and the lower shell, so that the installation of the putty knife blade is more convenient.

Compared with the prior art, the novel putty knife handle with the rotary screwdriver bit is provided with the fixed part fixedly connected with the putty knife blade and the movable part connected with the screwdriver bit, and the movable part is hinged with the fixed part, so that the novel putty knife handle with the rotary screwdriver bit can be applied to the base of the application of a putty knife by increasing the application of the screwdriver bit; the movable part is provided with a first attaching plane and a second attaching plane which are connected through a connecting surface, and the limiting part has elasticity which can be changed from the state of being abutted against the first attaching plane to the state of being abutted against the second attaching plane, so that the movable part and the fixed part are elastically connected through the limiting part, when the limiting part is abutted against the first attaching plane of the movable part, the movable part connected with the screwdriver bit is positioned at a first stop position, and when the limiting part is abutted against the second attaching plane of the movable part, the movable part connected with the screwdriver bit is positioned at a second stop position, and the structure can realize two stop positions of the screwdriver bit; the connecting surface is provided with a middle position, when the movable part is positioned between the first stop position and the middle position, the limiting part is abutted with the movable part and enables the movable part to rotate from the middle position to the first stop position through elastic acting force, when the movable part is positioned between the middle position and the second stop position, the limiting part is abutted with the movable part and enables the movable part to rotate from the middle position to the second stop position through elastic acting force, therefore, when the screwdriver bit is used, the limiting part can inhibit the rotation between the first stop position and the middle position when the movable part is positioned between the first stop position and the middle position through the reaction force of the screwdriver bit on the movable part, and simultaneously, after the screwdriver bit is used, when the movable part is rotated between the middle position and the first stop position, the limiting part can push the rotation between the middle position and the first stop position, the screwdriver head with the structure is very convenient to use, is more convenient to use than a freely-rotating screwdriver head, and solves the problem that the screwdriver head is inconvenient to use due to random rotation in the traditional putty knife with the screwdriver head. The utility model discloses a novel rotatory putty knife handle of criticizing head in area has and prevents the screwdriver head free rotation, convenient to use, characteristics that the function is abundanter.

For a better understanding and an implementation, the present invention is described in detail below with reference to the accompanying drawings.

Drawings

FIG. 1 is a three-dimensional exploded view of the handle of the novel putty knife with a rotary bit of the present invention;

FIG. 2 is a three-dimensional structural view of a fixing portion;

FIG. 3 is a schematic view of the movable section in a first stop position;

FIG. 4 is a schematic view of the movable section in a second stop position;

FIG. 5 is a schematic structural view of the position restricting portion in the first state;

FIG. 6 is a schematic structural view of the stopper portion in a second state;

fig. 7 is a schematic view of the structure of the head receiving cavity.

Detailed Description

The terms of orientation of up, down, left, right, front, back, top, bottom, and the like, referred to or may be referred to in this specification, are defined relative to their configuration, and are relative concepts. Therefore, it may be changed according to different positions and different use states. Therefore, these and other directional terms should not be construed as limiting terms.

The implementations described in the exemplary embodiments below are not intended to represent all implementations consistent with the present disclosure. Rather, they are merely examples of methods consistent with certain aspects of the present disclosure, as detailed in the appended claims.

The terminology used in the present disclosure is for the purpose of describing particular embodiments only and is not intended to be limiting of the disclosure. As used in this disclosure and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. It should also be understood that the term "and/or" as used herein refers to and encompasses any and all possible combinations of one or more of the associated listed items.

As shown in fig. 1, fig. 1 is a three-dimensional explosion diagram of the handle of the novel putty knife with a rotary bit of the present invention.

The utility model discloses a novel rotatory putty knife handle of criticizing head in area, include:

the fixing part 1 is fixedly connected with the putty knife blade. This fixed part 1 is the split type fixed part 1 that upper housing 14 and lower casing 15 are connected, sets up fixed part 1 to split type fixed part 1 as upper housing 14 and lower casing 15 combination to can carry out the thread tightening through like screw 5, make the installation of putty knife blade more convenient. When a single screw 5 is used for fixing, corresponding bulges and grooves can be respectively arranged on the upper shell 14 and the lower shell 15, the relative rotation of the upper shell 14 and the lower shell 15 is limited by the matching of the bulges and the grooves, and finally the screws 5 are used for fixing; more than two screws 5 may also be used to fix the upper housing 14 and the lower housing 15 in a manner that limits relative rotation and translation.

The movable part 2 is hinged with the fixed part 1, and the movable part 2 is connected with a screwdriver head 24; through setting up fixed part 1 with putty knife blade fixed connection to and the movable part 2 of being connected with screwdriver head 24, this movable part 2 is articulated with fixed part 1, makes novel rotatory putty knife handle of criticizing head in area increase screwdriver head 24's application on the basis of using the putty knife.

A limiting part 3, wherein the limiting part 3 is fixedly connected with the fixing part 1, and the limiting part 3 has elasticity which can be changed from the shape of abutting against the first attaching plane 21 to the shape of abutting against the second attaching plane 22; the limiting part 3 is a spring piece, one end of the spring piece is fixed on the fixed part 1, and the other end of the spring piece is abutted against the movable part 2. The spring piece is arranged so that one end of the spring piece can elastically deform with the fixed part 1 as a fulcrum and the other end of the spring piece. The spring plate has a square tail portion 32, and a head portion integrally connected to the tail portion 32, the head portion being a bar-shaped head portion on which the contact flat surface 31 is provided. The first square groove 11 on the fixing part 1 is matched with the square tail part 32 of the spring piece, so that the tail part 32 of the spring piece cannot rotate and translate, and the head part with the strip shape can increase the elastic deformation amount compared with other shapes such as a plate. The integrally connected head and tail portions 32 reduce the probability of failure in a split arrangement.

Connection of the fixed part 1 and the movable part 2:

the novel putty knife handle with the rotary screwdriver bit further comprises a copper pipe 4, the fixed part 1 and the movable part 2 are sequentially sleeved on the copper pipe 4 to realize hinging, and two end faces of the copper pipe 4 are provided with annular bulges which limit the fixed part 1 and the movable part 2 on the copper pipe 4; the fixed part 1 and the movable part 2 are sequentially sleeved on the copper pipe 4 to realize hinging, and the fixed part 1 and the movable part 2 are limited on the copper pipe 4 by arranging annular bulges on two end surfaces of the copper pipe 4; the fixed part 1 and the movable part 2 are provided with through holes matched with the outer diameter of the copper pipe 4, and are sleeved through the through holes.

The connection of the movable part 2 and the limiting part 3:

the specific positional relationship of the movable portion 2 and the stopper portion 3, as well as the first stop position, the second stop position, and the intermediate position 231 of the movable portion 2, and the first state and the second state of the stopper portion 3 can be seen in fig. 3 to 6.

Installation of the limiting part 3:

the fixing part 1 is provided with a first square groove 11 which is matched with the shape of the tail part 32 of the spring piece, and a second square groove 12 which is matched with the shape of the tail part 32 of the putty knife blade; the first square groove 11 may be replaced by other grooves having a triangular shape, an oval shape, or the like, and may be used to fix the tail portion 32 of the stopper portion 3.

Installing the putty knife blade:

a second square groove 12, the fixing part 1 is further provided with a second square groove 12, and the second square groove 12 is matched with the tail part 32 of the putty knife blade in shape. A second square groove 12 is arranged on the fixing part 1, and a putty knife blade with a square tail part 32 is installed through the second square groove 12; the second square groove 12 can also be replaced with a groove of other shape to accommodate putty knife blades having a tail 32 of a different shape. The putty knife blade is generally a blade with a head part and a tail part which are mounting parts with different shapes, and the head part and the tail part are generally integrally connected or welded.

The connection of the screwdriver head 24 and the magnet 29 with the screwdriver head mounting groove 28:

the screwdriver head mounting groove 28, this movable part 2 still set up screwdriver head mounting groove 28, and fixedly connected with magnet 29 in this screwdriver head mounting groove 28, this movable part 2 can dismantle through magnetic attraction and be connected with screwdriver head 24. By arranging the screwdriver bit mounting groove 28 on the movable part 2 and arranging the magnet 29 inside, the screwdriver bit 24 with ferromagnetism can be detachably connected with the movable part 2 through magnetic attraction.

Screwdriver head 24 has a built-in structure:

the screwdriver head holds the chamber 13, and this fixed part 1 still has the screwdriver head and holds the chamber 13, holds the chamber 13 and holds fixed part 1 through setting up the screwdriver head on fixed part 1, can set up screwdriver head 24 when making the movable part 2 be in the primary importance in this screwdriver head holds the chamber 13, with screwdriver head 24 rotatory come out can, need not carry out the installation of screwdriver head 24 before the use. The receiving cavity may be open in shape to facilitate the unscrewing of screwdriver bit 24.

As shown in fig. 2, fig. 2 is a three-dimensional structural view of the fixing portion.

Set up fixed part 1 as the split type fixed part 1 of upper casing 14 and lower casing 15 combination, it is more convenient to make the installation of putty knife blade, upper casing 14 can set up the arch, lower casing 15 can set up the recess, this relative rotation of upper casing 14 and lower casing 15 through the restriction of arch and recess, install with screw 5 as shown in fig. 1 simultaneously, make upper casing 14 and lower casing 15 fixed connection, at this moment, upper casing 14 and lower casing 15 form one can be as shown in fig. 2 the middle part opening that holds movable part 2.

As shown in fig. 3 and 4, fig. 3 is a schematic structural view of the movable portion in the first stop position, and fig. 4 is a schematic structural view of the movable portion in the second stop position.

The movable part 2 has two stop positions, a first stop position and a second stop position.

When the screwdriver head 24 is not used in idle, the movable part 2 is at the first stop position as shown in fig. 3, the boss 26 and the knocking table 27 are exposed, and the screwdriver head 24 is hidden in the opening of the fixed part 1 formed by the upper shell 14 and the lower shell 15;

when the screwdriver head 24 needs to be used, the boss 26 is dialed by fingers, so that the movable part 2 rotates to the position shown in fig. 4, at the moment, the screwdriver head 24 is exposed, and the boss 26 and the knocking table 27 are idle.

When the screwdriver head 24 needs to be reset to be idle, any position of the movable part 2 is dialed by fingers, and the screwdriver head 24 is hidden in an opening of the fixing part 1 formed by the upper shell 14 and the lower shell 15, and particularly can be hidden in the screwdriver head accommodating cavity 13.

When the movable part 2 is at the first stop position, the limiting part 3 is in a first state as shown in fig. 5; when the movable portion 2 is at the second stop position, the stopper portion 3 is in the second state as shown in fig. 6.

As shown in fig. 5 to 6, fig. 5 is a schematic structural view of the stopper portion in the first state, and fig. 6 is a schematic structural view of the stopper portion in the second state.

As can be seen from fig. 5:

a movable part 2, the movable part 2 having a first attaching plane 21 and a second attaching plane 22, the first attaching plane 21 and the second attaching plane 22 being connected by a connecting surface 23, the connecting surface 23 having a middle position 231; the connecting surface 23 is a cylindrical surface, the limiting portion 3 has a contact plane 31, the contact plane 31 is in contact with the cylindrical surface, and when an included angle between the contact plane 31 and the first attaching plane 21 and an included angle between the contact plane 31 and the second attaching plane 21 are equal, a contact position between the contact plane 31 and the cylindrical surface is a middle position 231; through the setting of the cylindrical surfaces such as the elliptic cylindrical surface and the straight cylindrical surface, the connecting surface 23 has a middle position 231, and when crossing the middle position 231, the movable part 2 can rotate along the cylindrical surface, which is convenient and labor-saving, and prevents the screwdriver head 24 from rotating randomly. Where the cylinder is a right cylinder, the middle position 231 is the middle point of the cylinder as shown in fig. 5. In addition, when the cylindrical surface is an elliptic cylindrical surface, the intermediate position 231 changes according to the shape of the ellipse, and in this case, the intermediate position 231 is specifically: when the included angle between the contact plane 31 and the first attaching plane 21 and the included angle between the contact plane 31 and the second attaching plane 21 are equal, the contact position between the contact plane 31 and the cylindrical surface is at an interference position.

The position-limiting part 3 comprises a head part with a contact plane 31 and a tail part 32 fixedly connected with the fixing part 1, and the head part and the tail part 32 are integrally connected.

As can be seen from fig. 5 and 6, the stopper portion 3 has two limit states, i.e., a first state and a second state.

When the screwdriver head 24 is not used, the position-limiting portion 3 is in the first state as shown in fig. 5, the contact plane 31 of the position-limiting portion 3 is abutted against the first attaching plane 21, and at this time, the position corresponding to the movable portion 2 is the first stop position;

when the screwdriver head 24 is used, the position-limiting part 3 is in the second state as shown in fig. 6, the contact plane 31 of the position-limiting part 3 is abutted against the second attaching plane 22, and at this time, the position corresponding to the movable part 2 is the second stop position;

when the screwdriver head 24 is rotated, i.e. the screwdriver head 24 is between the first stop position and the second stop position, two situations are identified:

in the first situation, when the movable portion 2 is located between the first stop position and the middle position 231, the limiting portion 3 abuts against the movable portion 2 and makes the movable portion 2 rotate from the middle position 231 to the first stop position by the elastic force;

in the second case: when the movable portion 2 is located between the middle position 231 and the second stop position, the limiting portion 3 abuts against the movable portion 2 and makes the movable portion 2 rotate from the middle position 231 to the second stop position by the elastic force.

The working principle is as follows: by arranging the limiting part 3 fixedly connected with the fixing part 1, the movable part 2 is provided with a first attaching plane 21 and a second attaching plane 22, the first attaching plane 21 is connected with the second attaching plane 22 through a connecting surface 23, the limiting part 3 has elasticity which can be changed from the shape of being abutted against the first attaching plane 21 to the shape of being abutted against the second attaching plane 22, the movable part 2 is elastically connected with the fixing part 1 through the limiting part 3, the movable part 2 connected with the screwdriver bits 24 is located at a first stop position when the limiting part 3 is abutted against the first attaching plane 21 of the movable part 2, and the movable part 2 connected with the screwdriver bits 24 is located at a second stop position when the limiting part 3 is abutted against the second attaching plane 22 of the movable part 2, so that two stop positions of the screwdriver bits 24 can be realized by the structure; the connecting surface 23 has a middle position 231, when the movable portion 2 is located between the first stop position and the middle position 231, the position-limiting portion 3 abuts against the movable portion 2 and causes the movable portion 2 to rotate from the middle position 231 to the first stop position by elastic force, when the movable portion 2 is located between the middle position 231 and the second stop position, the position-limiting portion 3 abuts against the movable portion 2 and causes the movable portion 2 to rotate from the middle position 231 to the second stop position by elastic force, therefore, when the screwdriver head 24 is used, when the movable portion 2 is located between the first stop position and the middle position 231 by reaction force of the screwdriver head 24 to the movable portion 2, the position-limiting portion 3 can restrain the rotation between the first stop position and the middle position 231, and, when the movable portion 2 is rotated between the middle position 231 and the first stop position after the screwdriver head 24 is used, the limiting part 3 can push the rotation between the middle position 231 and the first stop position, and the use is very convenient.

Specifically, the limiting portion 3 abuts against the first attaching plane 21, the cylindrical surface, and the second attaching plane 22 of the movable portion 2 through the contact plane 31 of the head. Wherein, when the contact plane 31 is in a first state of abutting against the first attaching plane 21, the movable portion 2 is in a first stop position; when the contact plane 31 is in the second state abutting against the second contact plane 22, the movable portion 2 is in the second stop position. When the contact plane 31 is separated from the first attaching plane 21 and the second attaching plane 22, the movable portion 2 is in a rotating state, specifically, when the contact plane 31 is separated from the first attaching plane 21 and the second attaching plane 22 and a tangent of the cylindrical surface is parallel to the contact plane 31, an intersection point of the tangent and the cylindrical surface is a middle position 231, and when an abutting point of the contact plane 31 and the cylindrical surface is between the first stopping position and the middle position 231, the contact plane 31 abuts against the cylindrical surface and the movable portion 2 rotates from the middle position 231 to the first stopping position by an elastic force; when the contact point of the contact plane 31 and the cylindrical surface is between the middle position 231 and the second stop position, the contact plane 31 and the cylindrical surface contact each other and the movable portion 2 rotates from the middle position 231 to the second stop position by the elastic force. In this embodiment, the included angle between the first attaching plane 21 and the second attaching plane 22 may be between 0 and 90 degrees, preferably, the included angle may be between 70 and 90 degrees, the cylindrical surface may be a straight cylindrical surface, and the spring plate may be a metal spring plate, such as a steel plate with elasticity. In another embodiment, the cylindrical surface may be an elliptical cylindrical surface or other curved surface having an arc shape.

As can be seen from fig. 5 and 6, the movable part 2 further comprises a boss 26 and a striking table 27.

A boss 26, the movable part 2 further comprises a boss 26, the screwdriver head 24 is arranged at one side of a hinge point of the movable part 2 and the fixed part 1, and the boss 26 is arranged at the opposite side of one side of the screwdriver head 24 which takes the hinge point of the movable part 2 and the fixed part 1 as a center. A boss 26 is provided on the movable part 2, and the boss 26 is provided on the opposite side of the screwdriver head 24 side centered on the hinge point of the movable part 2 and the fixed part 1, and the boss 26 can be pressed with a finger on the opposite side to rotate the movable part 2 as from the first stop position to the second stop position.

A knocking stage 27, the movable part 2 further comprising a knocking stage 27, the knocking stage 27 being disposed at an opposite side of one side of the screwdriver bit 24 centered on a hinge point of the movable part 2 with the fixed part 1. The knocking table 27 is arranged on the movable part 2, the knocking table 27 is arranged on the opposite side of one side of the screwdriver head 24 which takes the hinge point of the movable part 2 and the fixed part 1 as the center, the screwdriver head 24 and the knocking table 27 can be switched to be used, one of the screwdriver head 24 and the knocking table 27 can be selected to be used, and due to the existence of the spring piece, when the knocking table 27 is used, the knocking table 27 cannot rotate randomly, and rotates or does not move under the elastic action of the limiting part 3.

Fig. 7 is a schematic view showing the structure of the head accommodating cavity, as shown in fig. 7.

A head receiving cavity 25, the mobile part 2 being further provided with a head receiving cavity 25 for receiving the stick head from the first state to the second state. The elastic deformation of the strip-shaped head can be accommodated by providing the head accommodating cavity 25. Wherein, when the novel rotatory putty knife handle hand of criticizing head in area was placed horizontally, the level of boss 26 and strike platform 27 was less than the level of spacing portion 3 to in the accommodation space of increase head accommodation cavity 25, make accommodation space can hold and get into this spacing portion 3's that the second state produced elastic deformation head from first state. The tail 32 of the spring piece is provided with a first through hole, the fixing part 1 is also provided with a second through hole matched with the through hole, and the spring piece is positioned through fixing columns matched with the first through hole and the second through hole. The second through hole and the fixing post can also be replaced by a projection on the fixing part 1.

In addition, the screwdriver bits 24 can be installed by the structural connection shown in fig. 7, the magnet 29 is fixed in the screwdriver bit mounting groove 28, and the ferromagnetic screwdriver bits 24 can be detachably installed in the screwdriver bit mounting groove 28 by magnetic attraction, wherein the screwdriver bits 24 can also be installed in the screwdriver bit mounting groove 28 by other connection methods such as threaded connection, clamping connection, bonding connection, welding connection, etc.

Compared with the prior art, the novel putty knife handle with the rotary screwdriver bit is provided with the fixed part 1 fixedly connected with the putty knife blade and the movable part 2 connected with the screwdriver bit 24, and the movable part 2 is hinged with the fixed part 1, so that the novel putty knife handle with the rotary screwdriver bit can be applied to the base of applying the putty knife and increasing the application of the screwdriver bit 24; by arranging the limiting part 3 fixedly connected with the fixing part 1, the movable part 2 is provided with a first attaching plane 21 and a second attaching plane 22, the first attaching plane 21 is connected with the second attaching plane 22 through a connecting surface 23, the limiting part 3 has elasticity which can be changed from the shape of being abutted against the first attaching plane 21 to the shape of being abutted against the second attaching plane 22, the movable part 2 is elastically connected with the fixing part 1 through the limiting part 3, the movable part 2 connected with the screwdriver bits 24 is located at a first stop position when the limiting part 3 is abutted against the first attaching plane 21 of the movable part 2, and the movable part 2 connected with the screwdriver bits 24 is located at a second stop position when the limiting part 3 is abutted against the second attaching plane 22 of the movable part 2, so that two stop positions of the screwdriver bits 24 can be realized by the structure; the connecting surface 23 has a middle position 231, when the movable portion 2 is located between the first stop position and the middle position 231, the position-limiting portion 3 abuts against the movable portion 2 and causes the movable portion 2 to rotate from the middle position 231 to the first stop position by elastic force, when the movable portion 2 is located between the middle position 231 and the second stop position, the position-limiting portion 3 abuts against the movable portion 2 and causes the movable portion 2 to rotate from the middle position 231 to the second stop position by elastic force, therefore, when the screwdriver head 24 is used, when the movable portion 2 is located between the first stop position and the middle position 231 by reaction force of the screwdriver head 24 to the movable portion 2, the position-limiting portion 3 can restrain the rotation between the first stop position and the middle position 231, and, when the movable portion 2 is rotated between the middle position 231 and the first stop position after the screwdriver head 24 is used, this spacing portion 3 can promote the rotation between intermediate position 231 to the first stop position, and it is very convenient to use, and this kind of structure uses more conveniently than free rotation's screwdriver head 24, has solved the traditional use inconvenient problem of taking screwdriver head 24's among the putty knife screwdriver head 24 random rotation to bring. The utility model discloses a novel rotatory putty knife handle of criticizing head in area has and prevents screwdriver head 24 free rotations, convenient to use, characteristics that the function is abundanter.

The above-mentioned embodiments only represent some embodiments of the present invention, and the description thereof is specific and detailed, but not to be construed as limiting the scope of the present invention. It should be noted that, for those skilled in the art, without departing from the spirit of the present invention, several variations and modifications can be made, which are within the scope of the present invention.

Claims

1. The utility model provides a novel rotatory putty knife handle of criticizing head in area which characterized in that includes:

the fixing part is fixedly connected with the putty knife blade;

2. The novel putty knife handle with a rotary screwdriver bit as in claim 1, wherein the connecting surface is a cylindrical surface and the limiting portion has a contact plane;

3. The novel putty knife handle with a rotary screwdriver bit as in claim 2, wherein the limiting part is a spring piece, one end of the spring piece is fixed on the fixed part, and the other end of the spring piece is abutted against the movable part.

4. A novel putty knife handle with rotary screwdriver bit as in claim 3 wherein the spring plate has a square tail and the retainer portion has a first square groove adapted to the shape of the tail of the spring plate;

5. A novel putty knife handle with a rotating bit as set forth in claims 1-4 characterized in that the moving portion is further provided with a head receiving cavity for receiving the strip shaped head from the first state to the second state.

6. The novel putty knife handle with rotary screwdriver bit as claimed in claim 5 wherein the moving portion further includes a boss, the screwdriver bit is disposed on one side of the hinge point of the moving portion and the fixed portion, the boss is disposed on the opposite side of the screwdriver bit centered on the hinge point of the moving portion and the fixed portion.

7. The novel putty knife handle with rotary screwdriver bit as claimed in claim 6 wherein the moving portion further includes a striking platform disposed on the opposite side of the screwdriver bit from the hinge point of the moving portion and the fixed portion.

8. The handle of claim 7, wherein the fixing portion further comprises a second square groove adapted to the shape of the tail of the putty knife blade.

9. The novel putty knife handle with a rotary screwdriver bit as claimed in claim 8, wherein the movable portion is further provided with a screwdriver bit mounting groove, a magnet is fixedly connected in the screwdriver bit mounting groove, and the movable portion is detachably connected with the screwdriver bit through magnetic attraction.

10. The novel putty knife handle with the rotary screwdriver bit as claimed in claim 9, further comprising a copper pipe, wherein the fixed part and the movable part are sequentially sleeved on the copper pipe to realize hinging, and two end faces of the copper pipe are provided with annular protrusions which limit the fixed part and the movable part on the copper pipe;

the fixing part is also provided with a screwdriver head accommodating cavity;