KR102663865B1 - Electric locking plier - Google Patents

Abstract

Electric locking pliers are disclosed. A body forming a receiving space within the electric locking according to one aspect of the present invention; First and second jaws provided at one end of the body to engage or spread apart; A driving unit provided in the receiving space inside the body and providing a rotational driving force to engage or open the first jaw and the second jaw; When the first jaw and the second jaw are in the engaged locked state, a manual release unit provided so that the user can manually unlock the first jaw and the second jaw.

Description

Electric locking pliers

The present invention relates to electric locking pliers, and more specifically, to electric locking pliers that can fully automatically pick up and secure an object.

As a type of tool, pliers are used. These pliers are usually in the shape of an Equipped to perform.

However, in order to maintain the state of holding the object, the worker's hands are necessary, and because of this, the worker cannot move from the position where the pliers held the object, which causes inconvenience in work.

On the other hand, in order to solve this problem, locking pliers have been proposed in which the pliers maintain the grip on the object.

These locking pliers are provided so that after the user bites the jaws of the pliers into an object using the grip strength of his or her hand, the jaws are maintained in a clamped state by a separate fixing mechanism.

However, these tools still depend on the user's grip strength for holding or holding an object, so when the elderly or workers have low physical strength, the power to hold or hold an object may decrease, and when unlocking the pliers, the user's grip strength may decrease. There was a problem that the work was inconvenient because it required complicated manipulation.

The present invention is intended to solve the above problems, and the object of the present invention is to provide electric locking pliers that are more convenient to work with.

The problems of the present invention are not limited to the problems mentioned above, and other problems not mentioned will be clearly understood by those skilled in the art from the description below.

According to one aspect of the present invention, a body forming a receiving space therein; First and second jaws provided at one end of the body to engage or spread apart; A driving unit provided in the receiving space inside the body to provide a driving force to engage or open the first jaw and the second jaw; When the first jaw and the second jaw are in a locked state, the electric locking pliers include a manual release unit that allows the user to manually unlock the first jaw and the second jaw. provided.

The first jaw is fixed to one end of the body, and the second jaw may be hinged to one end of the body so as to be rotatable so as to engage or spread apart the first jaw.

The driving unit includes a motor provided in a receiving space inside the body; a screw that is rotated in a forward and reverse direction by the motor, extends in the longitudinal direction of the body, and has a thread formed on an outer peripheral surface; a sliding block engaged with the thread of the screw and moving along the longitudinal direction of the screw as the screw rotates; It may include a battery located inside the body and providing power to the motor.

A reducer that transmits the rotational force of the motor to the screw may be further provided.

It may further include a manipulation unit provided on the body to allow the user to control the operation of the motor.

The manual release unit is formed with a sliding slit in which the other end of the link is movably coupled to the sliding block, and the sliding slit includes a locking section in which the other end of the link moves with the sliding block, and the other end of the link is connected to the sliding block. It is formed to include a release section that moves independently of the sliding block, and the locking section and the release section are formed to communicate with each other so that the other end of the link coupled to the sliding slit can move between the locking section and the release section. It is possible.

The release section may be arranged parallel to the moving direction of the sliding block, and the locking section may extend in a direction intersecting the release section.

When the other end of the link is located in the locking section, it may further include a release button provided to push the other end of the link from the locking section to the release section.

The release button may be provided to protrude to the outside of the body so that the user can press it.

The release button may be provided to press the other end of the link in a direction parallel to the extension direction of the locking section.

It may further include a return spring that elastically presses the other end of the link toward the locking section.

It may further include a pressing part that presses the release button from the locking section to the release section by a user's manipulation.

A first inclined surface is formed on a surface opposite to the surface in contact with the other end of the link of the release button, and the pressing part includes a pressure latch having a second slope corresponding to the first slope at one end; a spring that elastically presses the pressure latch; a pressing surface pressed by the sliding module so that the pressing latch is pressed in a direction in which the spring is compressed by the movement of the sliding module; It may include a hook that fixes the pressure latch when the spring is compressed and releases the pressure latch by a user's manipulation.

According to the above configuration, the electric locking pliers according to the present invention can fix or release the gripping object using the power of the motor rather than the user's grip strength, and a locking function that maintains the fixation of the object is basically provided, so the grip strength Even weak users have the advantage of ease of use.

Additionally, reliability can be improved because the lock can be manually unlocked even when the battery is discharged or the motor is broken.

The effects of the present invention are not limited to the effects described above, and should be understood to include all effects that can be inferred from the configuration of the invention described in the detailed description or claims of the present invention.

Figure 1 is a diagram showing the external appearance of electric locking pliers according to an embodiment of the present invention.
Figure 2 is a diagram showing when the electric locking pliers according to an embodiment of the present invention grip an object.
Figure 3 is a diagram illustrating when the electric locking pliers according to an embodiment of the present invention release the grip on an object.
Figure 4 is a view showing the internal components of the electric locking pliers according to an embodiment of the present invention as seen from the top.
Figure 5 is a diagram showing a pressure latch pressing the release button when manually releasing the grip of the electric locking pliers according to an embodiment of the present invention.
Figure 6 is a view showing how, when manually releasing the grip of the electric locking pliers according to an embodiment of the present invention, the link enters the release section of the sliding slit, the pressure applied to the rotating jaw is released, and the rotating jaw opens. am.
Figure 7 is a diagram showing the internal components of the electric locking pliers according to an embodiment of the present invention when the link is located in the locking section.
Figure 8 is a diagram showing the internal components of the electric locking pliers when the pressure latch presses the release button according to an embodiment of the present invention.
Figure 9 is a diagram showing a state in which the link of the electric locking pliers according to an embodiment of the present invention enters the release section by the release button.
Figure 10 is a diagram showing when the electric locking pliers grip an object according to another embodiment of the present invention.
Figure 11 is a diagram showing a state in which the release button is pressed when manually releasing the grip of the electric locking pliers according to another embodiment of the present invention.
Figure 12 is a diagram showing how when manually releasing the grip of the electric locking pliers according to another embodiment of the present invention, the link enters the release section of the sliding slit, the pressure applied to the rotating jaw is released, and the rotating jaw opens. .

Hereinafter, with reference to the attached drawings, embodiments of the present invention will be described in detail so that those skilled in the art can easily implement the present invention. The present invention may be implemented in many different forms and is not limited to the embodiments described herein. In order to clearly explain the present invention, parts not related to the description have been omitted in the drawings, and identical or similar components are given the same reference numerals throughout the specification.

The words and terms used in this specification and claims are not to be construed as limited in their usual or dictionary meanings, but according to the principle that the inventor can define terms and concepts in order to explain his or her invention in the best way. It must be interpreted with meaning and concepts consistent with technical ideas.

Therefore, the embodiments described in this specification and the configuration shown in the drawings correspond to a preferred embodiment of the present invention, and do not represent the entire technical idea of the present invention, so the configuration may be replaced by various alternatives at the time of filing of the present invention. There may be equivalents and variations.

In this specification, terms such as “comprise” or “have” are intended to describe the presence of features, numbers, steps, operations, components, parts, or combinations thereof described in the specification, but are not intended to describe the presence of one or more other features. It should be understood that it does not exclude in advance the possibility of the existence or addition of elements, numbers, steps, operations, components, parts, or combinations thereof.

A component being “in front,” “rear,” “above,” or “below” another component means that it is in direct contact with the other component, unless there are special circumstances. This includes not only those placed at the “bottom” but also cases where another component is placed in the middle. In addition, the fact that a component is "connected" to another component includes not only being directly connected to each other, but also indirectly connected to each other, unless there are special circumstances.

Hereinafter, an electric locking plier according to an embodiment of the present invention will be described with reference to the drawings.

The electric locking pliers 100 according to this embodiment are as shown in FIGS. 1 to 3, and include a body 110, a driving unit 130, a manual release unit 160, a first jaw 120, and a second jaw. (122), may include.

The body 110 forms an accommodating space inside which components to be described later are accommodated, and can be formed in a shape and size that is easy for an operator to grip.

In this embodiment, the body 110 is described as an example of being formed in a longitudinal direction on one side, but it is not necessarily limited thereto.

The first jaw 120 and the second jaw 122 may be provided at one side of the body 110. The first jaw 120 and the second jaw 122 may engage with each other to grip and fix the object, or may be separated from each other to release the fixation of the object. In this embodiment, the first jaw 120 is It is provided to be fixed to one side of the body 110, and the second jaw 122 is coupled to one side of the body 110 with a hinge 124 that can be rotated to engage or open the first jaw 120. You can.

A plurality of sawtooth teeth may be formed on surfaces of the first jaw 120 and the second jaw 122 to more reliably grip the object.

Of course, the present invention is not limited to this, and it may be possible for both the first jaw 120 and the second jaw 122 to be rotated so as to engage or spread apart.

The driving part 130 is provided in the receiving space inside the body 110 and can provide a rotational driving force to engage or spread the first jaw 120 and the second jaw 122. The driving part 130 may include a motor 131, a screw 132, a sliding block 140, and a link 150.

The motor 131 is provided in the accommodation space and rotated in the forward or reverse direction by the user's manipulation.

The surface of the body 110 may be provided with a manipulation unit 114 consisting of buttons that control the rotation of the motor 131.

In addition, components such as a battery 134 and a controller that provide power to the motor 131 may be provided in the accommodation space of the body 110. At this time, the battery 134 may be a secondary battery that can be charged and discharged. Of course, it is not limited to this and may be a battery rather than a secondary battery.

The screw 132 is rotated in the forward and reverse directions by the motor 131, extends in the longitudinal direction of the body 110, and may have threads formed on the outer peripheral surface.

Additionally, a reducer 136 may be provided between the motor 131 and the screw 132 to adjust the rotational force of the motor 131 to appropriate torque and speed.

Meanwhile, the sliding block 140 may be engaged with the thread of the screw 132 and moved along the longitudinal direction of the screw 132 as the screw 132 rotates.

In addition, the link 150 has one end coupled to a hinge 124 at a point spaced apart from the point where the body 110 and the hinge 124 of the second jaw 122 are coupled, and the other end to the sliding block 140. ) can be coupled to the hinge 124.

Therefore, as shown in FIGS. 2 and 3, the sliding block 140 can move forward or backward according to the forward or reverse rotation of the motor 131, and the sliding block 140 can move forward or backward according to the forward or backward rotation of the motor 131. The second jaw (122) is rotated around the point where the hinge (124) is coupled to the body (110) and engages with the first jaw (120) to grip the object that is the object to be gripped or to hold the object from the first jaw (120). It can open and release the grip on the object.

In addition, while the second jaw 122 is holding an object, the locked state can be automatically maintained without any separate manipulation.

Meanwhile, when the second jaw 122 is in a locked state holding the first jaw 120 or an object, a manual release is provided so that the user can manually unlock the second jaw 122. Unit 160 may be provided.

That is, when a situation such as the motor 131 breaks down or the battery 134 is completely exhausted occurs in a locked state in which the second jaw 122 is engaged with the first jaw 120, the motor 131 A manual release unit 160 is provided so that the second jaw 122 can be unlocked manually rather than by force.

The manual release unit 160 may include a sliding slit 142, a release button 170, a return spring 174, and a pressing unit 180.

The sliding slit 142 may be coupled to the sliding block 140 so that the other end of the link 150 can rotate and move.

The sliding slit 142 has a locking section 144 in which the other end of the link 150 moves together with the sliding block 140, and a release section in which the other end of the link 150 moves separately from the sliding block 140. It may include a section 148.

That is, when the other end of the link 150 is located in the locking section 144, the link 150 and the sliding block 140 move together, and the other end of the link 150 moves in the release section ( When positioned at 148), the link 150 and the sliding block 140 can move separately.

In addition, the locking section 144 and the release section 148 are configured so that the other end of the link 150 coupled to the sliding slit 142 can move between the locking section 144 and the release section 148. They can be formed to communicate with each other.

Meanwhile, the release section 148 may be extended parallel to the moving direction of the sliding block 140, and the locking section 144 may be extended in a direction intersecting the release section 148.

That is, when engaging or opening the second jaw 122 using the motor 131, the other end of the link 150 is located in the locking section 144, and the user, not the driver of the motor 131, is positioned in the locking section 144. When the second jaw 122 is opened manually, the other end of the link 150 is located in the release section 148.

Meanwhile, the release button 170 moves the other end of the link 150 from the locking section 144 to the release section 148 when the other end of the link 150 is located in the locking section 144. It may be provided to be pushed into.

Accordingly, the release button 170 may be provided to press the other end of the link 150 in a direction parallel to the extension direction of the locking section 144 of the sliding slit 142.

In this embodiment, the locking section 144 extends in the vertical direction and may be formed to communicate with the release section 148 at the bottom of the locking section 144.

Accordingly, when the release button 170 presses the other end of the link 150 downward, the other end of the link 150 located in the locking section 144 enters the release section 148.

Additionally, a return spring 174 may be provided to elastically press the other end of the link 150 toward the locking section 144.

The other end of the link 150 is constantly pressed toward the locking section 144 by the return spring 174.

That is, even when the link 150 is located in the release section 148, the sliding block 140 moves and the other end of the link 150 communicates with the release section 148 and the locking section 144. When located at the specified point, the other end of the link 150 may enter the locking section 144 by the return spring 174.

Meanwhile, the pressing unit 180 may be provided to press the release button 170 from the locking section 144 to the release section 148 by a user's manipulation.

The pressing part 180 may include a pressing latch 181, a spring 189, a pressing surface 185, and a hook 190.

Meanwhile, a first inclined inclined surface 172 may be formed on the surface opposite to the surface of the release button 170 in contact with the other end of the link 150. At this time, the first inclined surface 172 may be inclined to become higher toward the second jaw 122.

Meanwhile, the pressure latch 181 may have a second inclined surface 183 formed at an end facing the release button 170, corresponding to the first inclined surface 172.

At this time, the second inclined surface 183 may be inclined so that its thickness increases in a direction away from the second jaw 122.

A spring 189 is provided at the rear of the pressure latch 181 to elastically press the pressure latch 181.

And, on the side of the pressure latch 181, there is a pressure surface 185 that is pressed by the sliding module so that the pressure latch 181 is pressed in the direction in which the spring 189 is compressed by the movement of the sliding module. A protrusion may be formed.

Additionally, the hook 190 fixes the pressure latch 181 when the spring 189 is compressed, and may be provided to release the pressure latch 181 through a user's manipulation. The hook 190 may be provided so that the user can press it on the side of the body 110, etc.

A locking protrusion 187 that catches the hook 190 may be formed on a side of the pressure latch 181.

Therefore, when the sliding block 140 moves backward, the pressing surface 185 comes into contact with the sliding block 140 moving backward, so that the pressure latch 181 can also move backward, and the spring 189 is compressed. It can be fixed by the hook 190.

When using the electric locking pliers, when manually unlocking the second jaw 122 due to discharge of the battery 134 or failure of the motor 131, the user must press the button on the hook 190. When the pressure latch 181 is released by pressing , as shown in FIG. 8, the pressure latch 181 moves forward due to the elasticity of the spring 189 and the second inclined surface 183 of the pressure latch 181 moves forward. ) meets the first inclined surface 172 of the release button 170, and the release button 170 can be pressed downward by the first inclined surface 172 and the second inclined surface 183.

As the release button 170 is pressed downward, the other end of the link 150 is also pressed downward, and the other end of the link 150 pressed by the release button 170 comes down from the locking section 144 and enters the release section. It can be moved to (148).

The other end of the link 150 moved to the release section 148 can move freely within the release section 148 as shown in FIG. 9, so that the locked state of the second jaw 122 can be released. there is.

In the above-described embodiment, the pressing part 180 is provided to press the release button 170 when unlocking the second jaw 122, but according to another embodiment of the present invention, manual release is performed. The composition of wealth may be different.

Compared to the above-described embodiment, the electric locking pliers according to the present embodiment have a different configuration of the manual release part, so in the description of the electric locking pliers according to the present embodiment, the same components as the above-described embodiment have the same names and drawing numbers. will be given and only the parts that differ will be explained.

As shown in FIG. 10, the manual release unit 260 of the electric locking plier according to this embodiment is operated by the user manually when the first jaw 120 and the second jaw 122 are in a locked state. As a component provided to unlock the first jaw 120 and the second jaw 122, it may include a sliding slit 142 and a release button 270.

The sliding slit 142 may include a locking section 144 and a release section 148 so that the other end of the link 150 is rotatably and movably coupled to the sliding block 140.

The locking section 144 is a section in which the other end of the link 150 moves together with the sliding block 140, and the release section 148 is a section in which the other end of the link 150 moves together with the sliding block 140. It is a section that moves separately.

The locking section 144 and the release section 148 are formed to communicate with each other, the release section 148 is arranged to extend parallel to the moving direction of the sliding block 140, and the locking section 144 is It may be arranged to extend in a direction perpendicular to the release section 148.

Meanwhile, the release button 270 moves the other end of the link 150 from the locking section 144 to the release section 148 when the other end of the link 150 is located in the locking section 144. It may be provided to press the other end of the link 150 in a direction parallel to the extension direction of the locking section 144 of the sliding slit 142.

At this time, the release button 270 may be formed to protrude to the outside of the body 110 so that the user can press it. At this time, the part where the release button 270 protrudes may be the top or side of the body 110.

Of course, for watertightness, the release button 270 or the operating unit 114 may be covered with a cover such as rubber or synthetic resin.

Therefore, when using the electric locking pliers, when manually unlocking the second jaw 122 due to discharge of the battery 134 or failure of the motor 131, the user must press the release button ( When 270) is pressed, as shown in FIG. 11, the release button 270 descends and the other end of the link 150 is also pressed downward, and the link 150 pressed by the release button 170 The other end may come down from the locking section 144 and move to the release section 148.

The other end of the link 150 moved to the release section 148 can move freely within the release section 148 as shown in FIG. 12, so that the locked state of the second jaw 122 can be released. there is.

Although the embodiments of the present invention have been described, the spirit of the present invention is not limited to the embodiments presented in this specification, and those skilled in the art who understand the spirit of the present invention can add or change components within the scope of the same spirit. , deletion, addition, etc., other embodiments can be easily proposed, but this will also be said to fall within the scope of the present invention.

100: Electric locking pliers 110: Body
112: Accommodating space 114: Control panel
120: Fixed jaw 122: Rotating jaw
124: hinge 130: motor
132: screw 134: battery
136: reducer 140: sliding block
142: sliding slit 144: locking section
148: Release section 150: Link
160: Manual release structure 170: Release button
172: first slope 174: return spring
180: Pressure part 181: Pressure latch
183: second slope 185: pressure surface
187: Locking jaw 189: Spring
190: hook

Claims (13)

A body forming an accommodating space therein;
First and second jaws provided at one end of the body to engage or spread apart;
A driving unit provided in the receiving space inside the body to provide a driving force to engage or open the first jaw and the second jaw;
a manual release unit provided so that a user can manually unlock the first jaw and the second jaw when the first jaw and the second jaw are in a locked state;
Includes,
The driving unit,
a motor provided in a receiving space inside the body;
a screw that is rotated in a forward and reverse direction by the motor, extends in the longitudinal direction of the body, and has a thread formed on an outer peripheral surface;
a sliding block engaged with the thread of the screw and moving along the longitudinal direction of the screw as the screw rotates;
a link that has one end hinged to a point spaced apart from the point where the second jaw is hinged to the body, and the other end is hinged to the sliding block;
a battery located inside the body and providing power to the motor;
Including,
The manual release part,
A sliding slit is formed in the sliding block to which the other end of the link is movably coupled,
The sliding slit is,
The other end of the link is formed to include a locking section in which the other end of the link moves together with the sliding block, and a release section in which the other end of the link moves separately from the sliding block,
Electric locking pliers, wherein the locking section and the release section are formed to communicate with each other so that the other end of the link coupled to the sliding slit can move between the locking section and the release section. According to paragraph 1,
The first jaw is fixed to one end of the body,
The second jaw is hinged at one side of the body so as to be rotatable so as to engage or spread apart the first jaw. delete According to paragraph 1,
Electric locking pliers further provided with a reducer that transmits the rotational force of the motor to the screw. According to paragraph 1,
Electric locking pliers further comprising a control unit provided on the body to allow a user to control the operation of the motor.
delete According to paragraph 1,
The release section is arranged parallel to the moving direction of the sliding block,
The locking section extends in a direction intersecting the release section. According to paragraph 1,
When the other end of the link is located in the locking section,
Electric locking pliers further comprising a release button provided to push the other end of the link from the locking section to the release section. According to clause 8,
The release button is provided to protrude to the outside of the body so that the user can press it. According to clause 8,
The release button is provided to press the other end of the link in a direction parallel to the extension direction of the locking section. In clause 7,
Electric locking pliers further comprising a return spring that elastically presses the other end of the link toward the locking section. According to clause 10,
Electric locking pliers further comprising a pressing part that presses the release button from the locking section to the release section by a user's operation. According to clause 12,
A first inclined inclined surface is formed on a surface opposite to the surface in contact with the other end of the link of the release button,
The pressurizing part is,
A pressure latch formed at one end with a second inclined surface corresponding to the first inclined surface;
a spring that elastically presses the pressure latch;
a pressing surface pressed by the sliding block so that the pressing latch is pressed in a direction in which the spring is compressed by the movement of the sliding block;
a hook that fixes the pressure latch when the spring is compressed and releases the pressure latch by a user's manipulation;
Including, electric locking pliers.

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