JP2000118516A - Electric heating sealer - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a light electric heating sealer having a safety device which is capable of controlling the heating of the electric sealer and preventing the heating caused by mistaken touch. SOLUTION: An electric heating sealer is used to seal two synthetic resin materials or other opening, and comprises a base 10, a heating unit 40, a pressing part and a safety device. An electric heating wire 42 in the heating unit 40 is heated when the unit is heated, and synthetic resins or other opening are sealed by the heat. The safety device controls the heating of the heating unit 40, prevents the unit from being heated caused by the mistaken touch, and improves the safety and practicability.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

[0001] The present invention relates to an electric heat sealer with a safety device.

[0002]

2. Description of the Related Art US Pat.
AC and DC electric heat sealer (EL-ECTRIC)
SEALER ENERGIZABLE BY IN
TERN-AL BATTERY SET OR EX
TERNAL AC ADAPT-ER) is disclosed. This electric heat sealer can seal plastic bags and other things.

[0003]

SUMMARY OF THE INVENTION An object of the present invention is to provide a light-weight and practical electric heat sealer by attaching a safety device to prevent the electric heat sealer from being heated by erroneous touch.

[0004]

To solve the above problems, the present invention has the following features. The electric heat sealer of the present invention controls the heating of the heating unit by installing a safety device, or prevents the heating unit from being heated by a mistaken start,
It is characterized by enhancing safety and practicality. The electric heat sealer of the present invention is characterized in that it can be an AC electric heat sealer, a DC electric heat sealer, or an AC / DC electric heat sealer. The quantity electrothermal sealer of the present invention, the heating unit is installed on the pressing member,
It is characterized by the fact that it is not heated and the safety is further improved by starting by mistake. The electric heat sealer of the present invention is characterized by mainly comprising a base, a heating unit, a pressing member and a safety device. The heating unit is composed of a heat insulating base, a heating wire and a pair of movable contacts.In the middle of the heat insulating base, there is a protrusion, and after the heating wire is installed on the protrusion,
It is fixed by the movable contacts on both sides of the protruding portion, and a heat insulating cover is put on the heating wire on the fixing. The number of heating wires may be one or more, and there is no particular limitation. The heat insulating base is 2 degrees Celsius
Any material can be used as long as it can withstand a high temperature of 00 degrees or more. For example, ceramics, electric wood, heat-resistant plastic, and the like may be used. One end of the pressing member is a base,
Since it is hinged and comes into contact with the base when the pressing member is pressed down, a heat-sealing plastic bag is sandwiched between the plastic bags and heat-sealing is performed.
The safety device is characterized by controlling the heating of the heating wire or preventing the heating wire of the heating unit from being heated by mistake. The safety device has an insulating cover,
The insulating cover is hinged to the outside of the base, and is located at a position corresponding to the heating unit. If the user lifts the insulating cover and places it between the thermal insulator of the pressing member and the protrusion of the heating unit, the heating wire cannot be heated even if the user accidentally comes into contact with the pressing member. It is characterized in that when it is used again, it can be used by opening the insulating cover. This safety device is a trigger type safety device, which is located at the front end of the base, is composed of a knob member, an insulating cut-off piece, and a rotating shaft. When the user does not use the electric heat sealer, the trigger type safety device is provided. If the heating unit is set so as not to be able to conduct electricity through contact, it is protected from starting heating by mistaken touch or pressing, and safety is enhanced. Also, the safety device may be a safety switch, a push switch or a replacement terminal, and of course, it is also possible to use all safety switches, a push switch and a replacement terminal at the same time,
It is mentioned here that a plurality of safety switches and a plurality of push switches can be used in one electric heat sealer. In addition, a cover is installed on the push switch,
The touch switch can be prevented from being erroneously touched. Depending on the layout design of the switch and the electric wire circuit, it is possible to know whether the current is flowing or not, control the heating of the heating wire,
The heating unit is protected from abnormal heating of the heating wire.

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of an electric heat sealer according to the present invention will be described below with reference to the drawings. First, FIG. 1 to FIG. 4 show a first embodiment of the present invention, which is an electric heat sealer exclusively for a DC type, including a 10, a spring support 11, a pressing member 20, a battery housing 30, and a heating unit 40. . The base 10 has a space inside which serves as a battery accommodating section 30. The battery accommodating section 30 is the same as the conventional type,
There are a front support part 31 and a rear support part 32, and a left front contact piece 33, a right front contact piece 34, and a rear contact piece 35 are separately provided in the front support part 31 and the rear support part 32, respectively. Thus, the battery (not shown) is placed between the front support 31 and the rear support 32 and supplies a DC current. In addition, the left fixed contact 331 and the right fixed contact 341 separately extend (or are electrically connected) to the left front contact piece 33 and the right front contact piece 34, respectively. The spring support portion 11 is provided between the flat portions (left and right fixed contacts) 331 and 341 at positions aligned with the front support portion 31. The heating unit 40 is installed inside the base 10, and has a structure including a heat insulating base 41, a heating wire 42, a pair of movable contacts 43, a heat insulating cover 44, and a compression spring 45. The center of the heat insulating base 41 is
The heating wire is provided on the projecting portion 411 and is fixedly provided by the movable contacts 43 on both sides of the heat insulating base 41. The heat insulating cover 44 is formed so as to cover the protruding portion 411 and the heating wire 42, and is made of a Teflon mesh or a material containing a similar material, and has a glossy surface. Protect heating wire.
A fixing hole 412 is provided below the bottom of the protruding portion 411 of this embodiment, and the fixing hole 412 and the spring support portion 11 are located at opposing positions so that both ends of the compression spring 45 can be stored. The compression spring 45 is arranged between the heat insulating base 41 and the spring support 11. Therefore, the heating unit 40 moves up and down on the base 10 using the compression of the compression spring 45. The pressing member 20 includes a thermal insulator 21, a thermal insulating cover 22, and a pair of ears 23. The projections 2 are provided inside the ears 23, respectively.
The projections 231 are provided with projection insertion holes 12 at the corresponding positions of the base 10, respectively, so that the projections 231 are hinged thereto, and the pressing member 20 is moved up and down as to the base 10. . This thermal insulator 21 is provided at the end opposite to the ear 23. The position corresponds to the position of the protrusion 411 (when the pressing member is pressed downward). In order to maintain this glossy surface and protect the thermal insulator 21, the present invention uses the thermal insulator 21 as a heat insulating cover 44.
And is covered with a heat insulating cover 22 made of the same material as the above.
In addition, in the present invention, by keeping the pressing member 20 at the “upward position” except during use, electricity is prevented from passing unless the user intentionally presses the pressing member 20. Between the members 20, there is an elastic piece 2 having a return habit.
4 is attached. Further, the insulating cover 14 is provided outside the base 14 and at a position corresponding to the heating unit 40. When the electric heat sealer of the present invention is not used, the user pulls up the insulating cover 14,
The insulating cover 14 is located between the thermal insulator 21 and the protruding portion 411 to prevent heating caused by erroneous touching of the pressing member. Further, when using the present invention, the insulating cover 14 may be opened. The lid device 50 of the present invention is a lid portion of the base 10, and the lid device 50 is divided into a front lid 51, a battery housing lid 52, and a rear lid 53. It covers the rear end of the storage section 30 and the base 10. Among them, a slot 511 is formed in the front lid 51, and the projection 411 is inserted into the slot 511. Further, in the present invention, the magnetic piece 13 having a magnetic force is fixed to the bottom surface of the base 10, and the electric heat sealer is attracted to the surface of the metal object by the magnetic force of the magnetic piece 13 and can be fixed. Therefore, the present invention can be attached to the side of the refrigerator in the kitchen, which is convenient for storage.

FIGS. 3 and 4 further clarify the principle of operation of the embodiment of the present invention. As shown in FIG. 3, when the electric heat sealer of the present invention is not used, the movable contact 43
Is not in contact with the fixed contacts 331 and 341,
The heating wire 42 has not yet received the DC electricity of the battery, and the insulating cover 14 is located between the thermal insulator 21 and the protruding portion 411 to block the contact. Therefore, the electric heat sealer does not operate, and even if the pressing member 20 makes an erroneous contact, no electricity flows and no heating is performed. Also, as shown in FIG. 4, when the user wants to use the electric heat sealer, the insulating cover 1 is used.
4 is lowered in the forward and downward direction, is separated from the protrusion 411, presses the pressing member 20, and lowers the thermal insulator 21 toward the thermal insulating base 41, whereby the movable contact 43 is moved to the left and right sides. After contacting the fixed contacts 331 and 341, the heating wire 42 and the DC power of the battery are connected, and the electric heating sealer operates.

The following description is of the method of operation of the present invention.
First, an object for closing the mouth, for example, a mouth closing portion of two thermoplastic synthetic resins is placed between the thermal insulator 21 and the protrusion 411. When the pressing member 20 is pressed, the two movable contacts 43 come into contact with the left and right fixed contacts 331 and 341, and the heating wire 42 is connected to the DC power supply of the battery. Heat that can be produced, at this time, the two thermoplastic synthetic resins melt by heat,
Combine. After the operation is completed, when the pressing member is released, the protruding portion 411 is raised by the return behavior of the compression spring 45 and the elastic piece 24. Then, the movable contact 43 is separated from the left and right fixed contacts 331 and 341, the power is turned off, and the supply of heat is stopped.

FIG. 5 shows a second embodiment of the present invention.
This is an electric heat sealer exclusively for alternating current, and its structure and operation are almost the same as those of the first embodiment. The difference is that, in the present invention, the AC current is used. The AC power is supplied from the outside through a power outlet 70, and the fixed contacts 331 on the left and the fixed contacts on the right are respectively supplied by wires 72 and 73. It is connected to the contact 341. Since the electric heat sealer dedicated to the alternating current does not use a battery, there is no need to install a battery accommodating portion in the base 10, so that the space of the base 10 can be somewhat reduced.
In addition, the insulating cover is hingedly connected to the base 10 and is adapted to the position of the heating unit 40,
It becomes a safety device.

FIGS. 6 to 8 show a third embodiment of the present invention, which is an electric heat sealer for both direct current and alternating current. The replacement terminal 90 includes a first conductive piece 91 and a second conductive piece 9.
There is a second and third conductive piece 93, and these conductive pieces are connected to the left front contact piece 3 by electric wires 71, 72 and 73, respectively.
3. The left fixed contact 331 and the right fixed contact 34
Connected to 1. The left front contact piece 33 and the left fixed contact 331 are cut off and the two parts are separated without being connected. The right front contact piece 34 and the right fixed contact 341 are connected to each other and are energized. As shown in FIGS. 7 and 8, the replacement terminal 90 is connected to the AC of the external rectifier.
Before the connection to the adapter 80, the second conductive piece 92 is in a state of being electrically connected to the first conductive piece 91. However, when the replacement terminal 90 is connected to the AC adapter 80 of the external rectifier, the second conductive piece 92 92 and the first conductive piece are turned off. Therefore, even if a battery is installed, no electricity is supplied from the battery, and only a single power source is supplied during use. The safety switch 60 of the present invention connects the second conductive piece 92 and the left-side fixed contact 331 with the electric wire 72,
This is used to control the energization and disconnection of the electric wire 72 and to immediately cut off the power supply of the electric heat sealer. If the safety switch 60 is turned off when not in use, the pressing member 20 may be accidentally dropped down even when the battery or the rectifier AC adapter is connected. However, the electrical circuit remains off and does not operate. The safety switch 60 has a conventional structure and is well known to those who are familiar with these technologies, and therefore, the description thereof is omitted here.

The fourth embodiment is substantially the same as the third embodiment of the present invention, as shown in FIGS. However,
In the present invention, the right fixed contact 341 and the right front contact piece 3
4 is not connected and is in a disconnected state. The first conductive piece 91 is electrically connected to the left front contact piece 33 by a wire 71, and the second conductive piece 92 is
It is electrically connected to the fixed contact 331 on the left side.
The conductive piece is connected to the right fixed contact 341 by the electric wire 73.
The electric wire 74 is electrically connected to the right front contact piece 34 and the right fixed contact 341. The safety switch 61 is installed on the electric wire 74 and controls energization and disconnection of the electric wire 74. The other description is the same as that of the third embodiment, and is omitted here.

FIG. 11 to FIG. 13 show a fifth embodiment of the present invention, in which it is important to mount a base-storage type activation safety device. At the front end of the base 10, the activation type safety device 100 is installed. The trigger-type safety device includes a knob 101, an insulating cut-off piece 102, and a rotating shaft 103. The rotating shaft 103 enters the insertion hole 16 at the front end of the base 10, and the knob 101 extends to the recess 17 above the front end of the base 10. Also, the insulation breaking piece 102
Is V-shaped. When the pressing member 20 is in a normal state, the power supply returns between the base 10 and the pressing member 20 in order to maintain the "upward position" and to prevent the power from being supplied with electricity unless the user intentionally presses it. A spring 15 and a spring cap 151 are provided. Activated safety device 100 of the present invention
In use, as shown in FIGS. 12 and 13, when the user does not use the electric heat sealer, the knob 101 is adjusted, and the insulating cut-off piece 102 is fixed to the fixed contacts 331 on the left and right sides of the base 10. 341 upward. Then, the movable contact 43 of the heating unit 40 is
It is not possible to energize by contacting the fixed contacts 331 and 341 on the left and right sides, so that starting due to erroneous touch or pressing can be avoided and safety is increased. When the electric heat sealer is used, the knob 101 is adjusted, and the insulation cut-off piece 102 is separated from above the fixed contacts 331 and 341 on the left and right sides of the base 10 to be ready for use. The activated safety device of the present invention can be applied to the electric heat sealer of each of the embodiments described above, and has a similar structure (the heating unit moves up and down).
Can be applied to the electric heat sealer.

FIG. 14 to FIG. 16 show a sixth embodiment of the present invention, in which the heating unit is of a fixed type, and the heating unit is an electric heat sealer for direct current which does not move up and down. The heating unit 40 includes a heat insulating base 41, a heating wire 4
2, a pair of movable contacts 43 and a heat insulating cover 44. The assembled heating unit 40 is mounted above the front support 31. At this time, the movable contact 43 on both sides and the left and right fixed contacts 331 and 341 are directly connected. The movable contact 43 and the left and right fixed contacts 3
According to the present invention, the heating unit 40 is pressed through the upper lid 51 to make the contact between the movable contact 43 and the left and right fixed contacts 331 and 341 good. In the present invention, the safety device is a safety switch 7
5 or a push-type switch 76, but both the safety switch 75 and the push-type switch 76 may be used together. When both are used, the heating wire 42 is heated only when the safety switch 75 and the push-type switch 76 are both started. FIG.
As shown in FIGS. 4 to 16, the left front contact piece 33 and the left fixed contact 331 are separated from each other. Therefore, the left front contact piece 33 and the left fixed contact 331 are electrically connected by the electric wire 721. The safety switch 75 is installed on the electric wire 721 and controls energization and cutoff of the electric wire 721.
Similarly, since the right front contact piece 34 and the right fixed contact 341 are also separated, the right front contact piece 3
4 and the fixed contact on the right side are electrically connected, and the pressing switch 76 is installed on the electric wire 731 to control the energization of the electric wire 731. The rear contact piece 35 is divided into two unconnected contact pieces (not shown), and the two contact pieces are connected by an electric wire. A safety switch or a push switch is installed on the electric wire to control the power supply.
The use of the safety switch or the push switch described in the present invention can be used in the first embodiment.
As shown in FIG. 14, there are two heating wires 42. That is,
This means that there can be multiple heating wires. In addition, it is noted here that the cross section is not limited to a circle but may be a polygon, a flat shape, or any other shape.
When operating the present invention, first attach the safety switch 75,
Then, an object whose mouth is to be closed, for example, two thermoplastic synthetic resins, is placed between the thermal insulator 21 and the protrusion 411. When the pressing member 20 is pressed down and the pressing switch 76 is simultaneously pressed with a finger, the heating wire 42 has a calorific value for closing the mouth, and the two thermoplastic synthetic resins are bonded by heat. You. When not used for a while, when the push-type switch 76 is loosened, the heating wire 42 stops heating,
When the use is completed, the safety switch 75 is turned off.

FIG. 17 shows a seventh embodiment of the present invention, in which the electric heat sealer is of a fixed type and is exclusively used for alternating current. Inside the base 10, a front support portion 31 and a power outlet 70 are installed, and the front support portion 31 has a pair of left and right fixed contacts 331 and 341. Also,
Power is supplied from outside through a power outlet 70.
The two electric wires 72 and 73 are separately connected to the left and right fixed contacts 331 and 341 and are energized. The structure and operation of the heating unit 40, the pressing member 20, the safety switch 75, the pressing switch 76, and the like of the present invention will be briefly described below. The safety switch or the push-type switch may be separately mounted, or may be connected to the electric wire 72 or 73 at the same time, and these control the supply of electric power. Also, a plurality of safety switches or push-type switches may be mounted, and only when all the switches are turned on, the safety switch or the push-type switch is activated. The mounting and starting of the switch of the present invention can be performed in the second embodiment.

FIG. 18 shows an eighth embodiment of the present invention, in which a heating unit is a fixed type and is an electric and heat sealer for both AC and DC. A battery housing 30 is provided in the base 10, and a battery is inserted into the battery housing 30. A front support portion 31 and a rear support portion 32 are provided in the battery housing portion 30, and a left front contact piece 33 and a right front contact piece 34 are provided.
Are separately installed on the front support portion 31, and the rear contact piece 35 is installed on the rear support portion 32. Also,
The fixed contact 331 on the left and the fixed contact 341 on the right are
It is installed above the front support 31. As shown in FIG. 18, the replacement terminal 90 is installed in the base 10 and includes a first conductive piece 91, a second conductive piece 92, and a third conductive piece 93. These conductive pieces are respectively electrically connected to the left front contact piece 33, the left fixed contact 331, and the right fixed contact 341 by three electric wires 71, 72, 73, respectively. Before the replacement terminal 90 is connected to the AC adapter 80 of the external rectifier, the second conductive piece 92 is in a state of being electrically connected to the first conductive piece 91, and the replacement terminal 90 is connected to the external rectifier. When connected to the AC adapter 80, the second
The conductive piece 92 is cut off from the first conductive piece 91 and no longer conducts electricity. By utilizing this, it is possible to supply only a single power supply of AC or DC at the same time.
Safety switch and press switch of the present invention (not shown)
Etc. may be either two kinds together or alone,
These are attached to the electric wire 72 to control the power supply.
As for the mounting position of the safety switch 61 of the fourth embodiment, either the safety switch or the pressing switch may be mounted, or the safety switch 61 may be mounted independently. These are then attached to the front contact piece or the connecting line behind the fixed contact. For starting the heating unit, the pressing member, the safety switch, the pressing switch, and the like of the present invention, the above-described sixth and seventh embodiments are referred to.

It is important to note that the embodiments described above are not so limited. For example, the positions of the safety switch and the push switch can be freely changed. FIG. 19 shows a detachable heating unit. The components of the heating unit have been described above and will not be described in detail here, but as shown in FIG. 19, the fixed contact 331 on the left side of the base 10 and the right side The fixed contact 341 of
The positioning members 332 and 342 are separately provided. The pair of positioning members have matching holes 333, 3
Each of the movable contacts 43 of the heating unit 40 has a projection rivet 431. The projection rivet 431 is inserted into a pair of mating holes 333,
If it is adjusted to 343, it can be installed as a removable heating unit 40 by the positioning members 332, 342. The heating unit's wires and thermal insulation cover will be damaged if used for a long time, so if the heating unit is detachable, it will be easy to replace it.If the heating unit breaks down, the electric heat sealer must be discarded. The replacement of the heating unit eliminates the need to extend the life of the body and is practical and significant.

FIGS. 20 and 21 show the heating unit 40 installed on the pressing member 20.
Is provided with a pair of pressing metal pieces 25,
0 is electrically connected, and the base 10 has a heating unit 4
The thermal insulator 18 is installed at a position opposite to the position 0, and a pressing switch 19 is installed at the position of the base 10 with respect to the pair of pressing metal pieces 25 of the pressing member 20. When the pressing member is pressed down, the heating unit 40 comes into contact with the thermal insulator 18 of the base 10, and the pressing metal piece 25 of the pressing member 20 presses down the pressing switch 19 to energize. FIG.
The heating unit 40 in the embodiment of FIG. 21 is of the active type (moves up and down). Of course, it is noted here that the heating unit 40 can also be fixed. When the heating unit is installed on the pressing member, various types of electric heat sealers are produced. For example, there is no particular limitation as to the electric heat sealer of alternating current or the electric heat sealer of direct current, or the electric heat sealer for both alternating current and direct current.

[0017]

As described above, the electric heat sealer of the present invention closes the mouth of two synthetic resins or other materials, and mainly comprises a base, a heating unit, a pressing member and a safety device. . When the heating wire in the heating unit starts, it has heat, and the heat closes the mouth of the synthetic resin or the like. The safety device has a feature of controlling the heating of the heating unit or preventing the heating unit from being heated by a wrong start. Thereby, it is effective to enhance safety and practicality.

[Brief description of the drawings]

FIG. 1 is an exploded view of a first embodiment of the present invention.

FIG. 2 is an external instruction view of an assembly structure according to the first embodiment of the present invention.

FIG. 3 is a sectional view of the first embodiment of the present invention before operation.

FIG. 4 is a sectional view of an operation state according to the first embodiment of the present invention.

FIG. 5 is an exploded view of a second embodiment of the present invention.

FIG. 6 is an exploded view of a third embodiment of the present invention.

FIG. 7 is an instruction diagram of an electric wire circuit according to a third embodiment of the present invention.

FIG. 8 is a sectional view showing an exchange terminal according to a third embodiment of the present invention.

FIG. 9 is an exploded view of a fourth embodiment of the present invention.

FIG. 10 is an electric wire circuit diagram according to a fourth embodiment of the present invention.

FIG. 11 is an exploded view of a fifth embodiment of the present invention.

FIG. 12 is a structural diagram of a trigger type safety device according to a fifth embodiment of the present invention.

FIG. 13 is an operation instruction diagram of an activation type safety device according to a fifth embodiment of the present invention.

FIG. 14 is an exploded view of the sixth embodiment of the present invention.

FIG. 15 is an instruction diagram of a push switch according to a sixth embodiment of the present invention.

FIG. 16 is an instruction diagram of a safety switch according to a sixth embodiment of the present invention.

FIG. 17 is an exploded view of the seventh embodiment of the present invention.

FIG. 18 is an exploded view of the eighth embodiment of the present invention.

FIG. 19 is an instruction diagram of the embodiment of removing the heating unit of the present invention.

FIG. 20 is a sectional view showing an example in which the heating unit of the present invention is installed on a pressing member.

FIG. 21 is an operation instruction diagram when the pressing member is pressed in the embodiment of FIG. 20 of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Base 11 Spring support part 12 Projection insertion hole 13 Magnetic piece 14 Insulation cover 15 Spring 151 Spring cap 16 Insertion hole 17 Depression 18 Heat insulation part 19 Press switch 20 Press member 21 Heat insulator 22 Heat insulation cover 23 Ear part 231 Projection Part 24 elastic piece 25 pressed metal piece 30 battery accommodating part 31 front support part 32 rear support part 33 left front contact piece 331 left fixed contact 332 positioning member 333 matching hole 34 right front contact piece 341 right fixed contact 342 positioning Member 343 Matching hole 35 Back contact piece 40 Heating unit 41 Heat insulating base 411 Projection 412 Fixing hole 42 Heating wire 43 Movable contact 431 Projection rivet 44 Heat insulating cover 45 Compression spring 50 Lid device 51 Front lid 511 Slot 52 Battery storage Back cover 53 back cover 60 safety Switch 61 Safety switch 70 Power outlet 71 Electric wire 72 Electric wire 721 Electric wire 73 Electric wire 731 Electric wire 74 Electric wire 75 Safety switch 76 Press-type switch 78 Light emitting dipole 79 Light emitting dipole 80 AC adapter 90 Replacement terminal 91 First conductive piece 92 Second Conductive piece 93 Third conductive piece 100 Activated safety device 101 Knob member 102 Insulation cutoff piece 103 Rotating shaft

Claims (23)

[Claims] 1. An electric heat sealer mainly comprising a base and a heating unit, a base for supplying power, a heat insulating base fixed to the base by an elastic body so as to be vertically movable and exposing an upper surface, and an upper surface thereof. A heating wire electrically exposed to a power source through a conductive member disposed on the base and a pressing member for pressing the heat insulating base downward, and By exposing the movable contact connected to the heating wire on the outer peripheral surface and exposing the fixed contact connected to the power supply to a portion corresponding to the movable contact on the base side, the heat insulating base is pressed by the pressing member. An electric heat sealer characterized in that an electric heating wire is energized when is pressed downward. 2. An electrothermal sealer according to claim 1, further comprising an insulating cut-off piece which can be inserted or removed from the outside so as to be controllable between said movable contact and said fixed contact. 3. The insulation breaker has a knob and a rotation shaft exposed to the outside, and the insulation breaker can be moved above the fixed contact of the base by operating the knob. The electric heat sealer according to claim 2, characterized in that: 4. The electric heat sealer according to claim 1, wherein said heating wire is covered with a tape-shaped insulating cover. 5. The electric heat sealer according to claim 1, wherein the heating wire is freely covered by a gate-shaped insulating cover hinged outside the base. 6. The electric heat sealer according to claim 1, wherein said power source is a battery housed in a base. 7. The electric heat sealer according to claim 1, wherein the power supply is an external power supply connected to a conductive member in the base. 8. A spring support section is provided in the base, the battery accommodating section is constituted by a front support section and a rear support section, and a pair of front contact pieces and a rear contact piece are formed by a front support section and a rear support section. And a pair of fixed contacts are separately connected to the pair of front contact pieces so as to be able to conduct electricity, and the heat insulating base is installed so as to move up and down in the base, a heating wire, and a pair of movable wires. A contact and a compression spring are attached, a protrusion is provided in the middle of the heat insulating base, the heating wire is set on the protrusion, and then fixed by a movable contact beside the protrusion, and the compression spring is thermally insulated. It is installed between the base and the spring support portion of the base, one end of the pressing member is hingedly connected to the base, and a thermal insulator is installed at the other end, and this thermal insulator is opposed to the protrusion. Position, and when the pressing member is pressed down, the thermal insulator contacts the protrusion Electric sealer according to claim 1, characterized in that. 9. A front support portion, a power outlet and a spring support portion are installed on the base, a pair of fixed contacts are installed on the front support portion, and the power outlet supplies power from outside,
The two electric wires are separately connected to a pair of fixed contacts and energized, and are installed so as to move up and down within the base on the heat insulating base. A heating wire, a pair of movable contacts and a compression spring are attached, A projecting portion is provided in the middle of the insulating base, the heating wire is placed on the projecting portion, and then fixed with a movable contact, the compression spring is placed between an insulating base and a spring supporting portion of the base, One end of the member is hinged to the base, the other end is provided with a thermal insulator, and the thermal insulator is placed at a position corresponding to the projecting portion. The electric heat sealer according to claim 1, wherein the body is brought into contact with the protrusion. 10. A battery accommodating portion and a spring supporting portion are provided on the base, a front supporting portion and a rear supporting portion are formed in the battery accommodating portion, and a left front contact piece and a right front contact piece are separately provided. On the front support, the rear contact piece is installed on the rear support, the left fixed contact and the right fixed contact are installed above the front support, and the heat insulating base is moved up and down in the base. The heating wire, a pair of movable contacts and a compression spring are attached to the heat insulating base, a protrusion is provided in the middle of the heat insulating base, and the heating wire is set on the protrusion. Fixed with a contact, the compression spring is installed between the heat insulating base and the spring support of the base, an exchange terminal is attached to the base, and the exchange terminal enables selective supply of AC or DC current,
One end of the pressing member is hinged to the base, a thermal insulator is installed at the other end, the thermal insulator is installed at a position opposite to the protrusion, and when the pressing member is pressed downward, the thermal insulator is The electric heat sealer according to claim 1, wherein the contacts the protrusions. 11. The replacement terminal includes a first conductive piece, a second conductive piece, and a third conductive piece, and these conductive pieces are separately separated by three electric wires by a left front contact piece and a left fixed piece. The second conductive piece is electrically connected to the first conductive piece while the replacement terminal is not connected to the rectifier AC adapter, and the replacement terminal is connected to the AC of the outer rectifier. The electric heat sealer according to claim 10, wherein the second conductive piece is disconnected from the first conductive piece when connected to the adapter. 12. An electric heat sealer mainly comprising a base and a heating unit, a base for supplying power, a heat insulating base fixed to the base and exposing an upper surface, and a heat insulating base exposed on the upper surface and the base. A heating wire electrically connected to a power supply through a conductive member disposed on the base, and a pressing member for pressing an upper surface of the heat insulating base downward, the heating wire of the heat insulating base and a power supply; An electric heat sealer characterized in that a press switch is provided in the connection path of (1) to control energization. 13. The apparatus according to claim 1, wherein said pressing switch is pressed down by an elastic member provided on said pressing member.
2. The electric heat sealer according to 2. 14. An electric heat sealer according to claim 12, wherein said heating wire is covered with a tape-shaped insulating cover. 15. The electric heat sealer according to claim 12, wherein said electric heating wire can be covered by a gate-shaped insulating cover hinged outside the base. 16. The electric heat sealer according to claim 12, wherein said power source is a battery housed in a base. 17. The electric heat sealer according to claim 12, wherein the power supply is an external power supply connected to a conductive member in the base. 18. An electric heat sealer mainly comprising a base and a heating unit, a base for supplying power, a heat insulating base fixed to the base and exposing an upper surface, and a heat insulating base exposed on the upper surface and the base. A heating wire electrically connected to a power supply through a conductive member disposed on the base, and a pressing member for pressing an upper surface of the heat insulating base downward, the heat insulating base being detachable with a positioning member An electric heat sealer characterized by being installed in a proper state. 19. The electric heat sealer according to claim 18, wherein the positioning member and the heat insulating base are positioned by a projection rivet. 20. The electric heat sealer according to claim 18, wherein said heating wire is covered with a tape-shaped insulating cover. 21. The electric heat sealer according to claim 18, wherein said electric heating wire can be covered by a gate-shaped insulating cover hinged outside the base. 22. The electric heat sealer according to claim 18, wherein said power source is a battery housed in a base. 23. The electric heat sealer according to claim 18, wherein said power supply is an external power supply connected to a conductive member in a base.