CN101797984A

CN101797984A - Sealing device of film bags

Info

Publication number: CN101797984A
Application number: CN200910264925A
Authority: CN
Inventors: 汪爱民
Original assignee: Individual
Current assignee: Individual
Priority date: 2009-12-09
Filing date: 2009-12-09
Publication date: 2010-08-11

Abstract

The invention relates to a sealing device of film bags, belonging to the technical field of packaging appliances. The sealing device comprises a base, a bottom cover plate, a heat sealing mechanism and a box cover and is characterized in that heat sealing mechanism comprises a thermal insulation matrix, an electric heating plate, a pair of electric conduction contact pins and a compression spring; the center at the bottom of the thermal insulation matrix is provided with a compression spring seat hole, and two ends of the thermal insulation matrix are respectively provided with an electric conduction contact pin jack; the lower end of the compression spring is placed in a compression spring hole, and the upper end is positioned in the compression seat hole; the electric heating plate is laid on the upper surface of the thermal insulation matrix; the pair of electric conduction contact pins are respectively inserted in the electric conduction contact jacks; and the upper end of each electric conduction contact pin is electrically connected with the electric heating plate, and the lower ends of the electric conduction contact pins correspond to a first electrode plate and a second electrode plate. The technical scheme is beneficial to processing and assembling and has the advantage of convenient application.

Description

Sealing device of film bags

Technical field

The invention belongs to technical field of packaging appliances, be specifically related to a kind of sealing device of film bags.

Background technology

Sealing device of film bags can be seen in Chinese patent literature in a large number, comparatively representative type promptly belong to mini (mini type) or claim the pocket category as document A). capper and document B that Granted publication CN2216964Y recommends). electrothermic type capper and document C that Granted publication CN2330497Y introduces). the electric sealing machine that Granted publication CN1218860C discloses with safety gate.Aforementioned documents A) adopts the sack encapsulation of main driven gear or opposite each other and intermeshing profile of tooth heating plate to bag film, this patent scheme has strong point simple in structure, but, when sealing bag film, main driven gear or profile of tooth heating plate opposite each other undermine edge sealing easily, cause seal bad because tooth can make fragile film pierce through.Aforementioned documents C) is improvement to U.S. Patent application US5142123, the technical contribution of this patent is to avoid the electrothermal mechanism false touch by setting up safety-valve, that is to say and prevent from do not sealing heating part and the contacted improper heating situation appearance of protuberance (Instructions Page 3 the reciprocal the 10th walks to the 4th page of the 9th row) under the situation, but structure is comparatively complicated.Aforementioned documents B) that the technical scheme that provides has is simple in structure, AC/DC and portable strong point.But the loosely organized compactness of losing is its shortcoming, and for example lid mechanism is by loam cake, battery case lid and three component set-ups of bonnet (6-8 is capable for Instructions Page 3), so cause the number of molds increase and the assembling link that are used for the process cartridge lid mechanism to increase.And for example, the heat sealing machine structure constitutes (specification sheets Fig. 1 of Instructions Page 2 the 17th every trade and this patent) by thermal insulation base portion, heating wire, an opposite side fixed plate, thermal insulation emulsion sheet and compression spring, thereby has a complicated trend, also as, from economy and practicality and safety perspective consideration, the assembly relation between integral structure and each parts etc. still has improved necessity.

Summary of the invention

Task of the present invention is to provide a kind of and helps to simplify heat sealing machine structure and lid and use and embody the sealing device of film bags that integral structure is terse, processing is easy to assembly and safe in utilization.

Task of the present invention is finished like this, a kind of sealing device of film bags, comprise a pedestal, the bottom side of the length direction of this pedestal has a battery cavities, one end of the upside of pedestal have an electrode panel seat and be positioned at the parallel to each other of electrode panel seat rear portion and communicate with described battery cavities first, the second battery lead plate chamber, the first battery lead plate chamber interpolation embedding, first battery lead plate, and the second battery lead plate chamber interpolation embedding, second battery lead plate, and, first, an end separately of second battery lead plate is corresponding to described battery cavities, and the other end separately is hung on the described electrode panel seat, middle part at the length direction of electrode panel seat offers a compression spring hole, the other end of the upside of pedestal has a pin base and is positioned at the third electrode plate chamber that communicates with described battery cavities at pin base rear portion, third electrode plate chamber interpolation embedding third electrode plate, this third electrode plate and described first, second battery lead plate is corresponding; One bottom plate is inserted the bottom side be embedded in pedestal, and is corresponding with battery cavities and battery cavities sealed; One heat sealing machine structure, floating ground are arranged on the described electrode panel seat and with described first, second battery lead plate and match; One lid is fixed with described pedestal, offers one at an end of this lid and is used for the electric heating plate hole that probes into for described heat sealing machine structure, and the other end is provided with torsion spring folder; One pressure arm, one end of this pressure arm and towards under a side have a briquetting seat chamber, dispose a briquetting seat on the briquetting seat chamber, be installed with a position and the corresponding thermal insulation briquetting of described electric heating plate hole on the briquetting seat, the other end of pressure arm is hinged with described lid and contact with described torsion spring folder, be characterised in that: described heat sealing machine structure comprises a thermal insulation matrix, electric hot plate, a pair of conductive haptic element and a compression spring, the middle position of the bottom of thermal insulation matrix offers a compression spring seat hole, two ends respectively offer a conduction haptic element jack, the lower end of compression spring is placed in the described compression spring hole, and the upper end is arranged in compression spring seat hole, the be laid in upper surface of thermal insulation matrix of electric hot plate, the pair of conductive haptic element is plugged on respectively in the described conduction haptic element jack, each conducts electricity the upper end of haptic element and is electrically connected each lower end and described first with described electric hot plate, second battery lead plate is corresponding.

In a specific embodiment of the present invention, one end of described first battery lead plate is bent with one first battery contact feet, the other end is bent with one first hook plate, and the first battery contact feet is arranged in described battery cavities, and first hook plate is hung on an end of described electrode panel seat; One end of described second battery lead plate is bent with one second battery contact feet, and the other end is bent with one second hook plate, and the second battery contact feet is arranged in described battery cavities, and second hook plate is hung on the other end of described electrode panel seat; Described third electrode plate has the 3rd, the 4th battery contact feet at the lateral buckling towards described first, second battery lead plate, three, the 4th battery contact feet is arranged in battery cavities, wherein, the 3rd battery contact feet is corresponding with the described first battery contact feet, and the 4th battery contact feet is corresponding with the described second battery contact feet.

In another specific embodiment of the present invention, the polarity of electrode of described the first, the 4th battery contact feet is identical, and the polarity of electrode of described second, third battery contact feet is identical, and the polarity of electrode of the first, the 4th battery contact feet is opposite with the polarity of electrode of second, third battery contact feet.

In another specific embodiment of the present invention, one end of bottom plate has at least one preceding plug tenon, and the other end has extended a back plug tenon, and be equipped with a battery towards the middle part of the length direction of described battery cavities one side at bottom plate and separate prominent bar, one end of the bottom of described pedestal and corresponding to described first, the below of second battery lead plate respectively is concaved with preceding plug tenon groove, the other end of the bottom of pedestal is concaved with a guiding tongue containing cavity, described pin base has plug tenon chamber, a back, plug tenon and the inserting mutually of preceding plug tenon groove before described, described back plug tenon is inserted in the plug tenon chamber, back, also be extended with a guiding tongue on the plug tenon of back, this guiding tongue is corresponding in the described guiding tongue containing cavity.

In another specific embodiment of the present invention, be installed with a plate electromagnet on the basal surface of described bottom plate.

Also have in the specific embodiment of the present invention, the vertical sectional shape of described thermal insulation matrix is convex shape, and described electric hot plate is for adopting the web plate of heating wire braiding, and the surface of described thermal insulation briquetting is provided with the thermal insulation emulsion sheet.

More of the present invention and in specific embodiment, one end of the upper surface of described lid is concaved with a torsion spring chamber, respectively has torsion spring folder pivot seat on the corresponding cavity wall in torsion spring chamber, the middle part of described torsion spring folder contacts with described pressure arm, and the two ends of torsion spring folder are nested with on corresponding torsion spring pin pivot seat, and a pair of positioning pin of torsion spring folder is kept out on the inwall of lid.

In of the present invention and then specific embodiment, described lid respectively offers an axis pin base with the corresponding both sides of the end that described pressure arm is hinged, and correspondence two inboards of described pressure arm respectively are extended with a bearing pin head, and the bearing pin head matches with axis pin base.

Of the present invention again more and in specific embodiment, described lid head lamp brush guard pivot is provided with a retaining clip, this retaining clip is corresponding to the top of described electric heating plate hole.

Technical scheme provided by the invention has been owing to carried out appropriate design to heat sealing machine structure and lid, thereby integrally-built terseness, reasonableness are improved, and not only helps processing and assembling, and uses and more become convenient.

Description of drawings

Fig. 1 is a specific embodiment constructional drawing of the present invention.

Fig. 2 is the cutaway view of Fig. 1.

The specific embodiment

For the inspector that the makes Patent Office especially public can be expressly understood technical spirit of the present invention and beneficial effect more, the applicant general elaborates in conjunction with the accompanying drawings in the mode of embodiment below, but to the description of embodiment all is not restriction to the present invention program, any according to the present invention's design done only for pro forma but not substantial equivalent transformation all should be considered as technical scheme category of the present invention.

Please be referring to Fig. 1 and Fig. 2, provided a material and be preferably plastics and be preferably the pedestal 1 of shape shown by the shape that mould is produced, the shape of this pedestal 1 is just as the pedestal of the clasp machine in the stationery.Bottom at pedestal 1 constitutes battery cavities 11, the size of battery cavities 11 is advisable with No. 5 dry storage batterys 7 that are enough to hold two feast-brand mark standards, end on the top of pedestal 1 is that graphic left end has an electrode panel seat 12 and has first, second battery lead plate chamber 13,14 that communicates with battery cavities 11, first, second battery lead plate chamber 13,14 is followed in electrode panel seat 12 and is promptly adjoined with electrode panel seat 12, by shown in Figure 1, the rear side that first, second battery lead plate chamber 13,14 is positioned at electrode panel seat 12 promptly is positioned at graphic right side, and first, second battery lead plate chamber 13,14 is parallel to each other.Middle position at the length direction of electrode panel seat 12 offers a compression spring hole 121, first battery lead plate 131 of in the first battery lead plate chamber 13, planting, and in the second battery lead plate chamber 14, plug second battery lead plate 141.One end of first battery lead plate 131 is bent into one first battery contact feet 1311, and the other end is bent into one first hook plate, 1312, the first battery contact feets 1311 and is arranged in battery cavities 11, and first hook plate 1312 is hung on an end of electrode panel seat 12; One end in the second battery lead plate chamber 141 is bent into one second battery contact feet 1411, and the other end is bent into one second hook plate, 1412, the second battery contact feets 1411 and is arranged in battery cavities 11, and second hook plate 1412 is hung on the other end of electrode panel seat 12.The other end on the top of pedestal 1 is that graphic right-hand member constitutes pin base 15 and third electrode plate chamber 16, plant third electrode plate 161 in third electrode plate chamber 16, third electrode plate 161 has the 3rd, the 4th

battery contact feet

1611,1612 parallel to each other towards a lateral buckling of aforesaid first, second battery lead plate 131,141, wherein: the 3rd battery contact feet 1611 is corresponding with the first battery contact feet 1311, and the 4th battery contact feet 1612 is corresponding with the second battery contact feet 1411.In order to form electric power loop, the first, the 3rd

battery contact feet

1311,1611 is corresponding with the positive and negative electrode of the dry storage battery of being illustrated by Fig. 27 respectively, that is to say, the positive pole of dry storage battery 7 contacts with the first battery contact feet 1311, and the negative pole of dry storage battery 7 contacts with the 3rd battery contact feet 1611.Simultaneously, the negative pole of another joint dry storage battery 7 in the two joint dry storage batterys 7 contacts with the second battery contact feet 1411, and the positive pole of this joint dry storage battery 7 contacts with the 4th battery contact feet 1612, thereby forms the loop.The position integral body of above-mentioned positive and negative electrode is exchanged, and then also is feasible.

Continue to see Fig. 1 and Fig. 2, one bottom plate 2 lid fits over the bottom of pedestal 1 and corresponding to battery cavities 11, by 11 sealings of 2 pairs of battery cavities of bottom plate, an end of bottom plate 2 be graphic left end be provided with a pair of before plug tenon 21, and the other end to be graphic right-hand member be extended with one just as cyrtoid back plug tenon 22, and on the plug tenon 22 of back, be extended with a guiding tongue 221.In order to be assigned on the pedestal 1 for bottom plate 2 lid, therefore the left end of the bottom of pedestal 1 and below corresponding to first and second battery lead plate 131,141, provide a pair of before plug tenon groove 17, a pair of before plug tenon 21 be inserted in the preceding plug tenon groove 17.Again, by shown in Figure 2, aforesaid pin base 15 has back plug tenon chamber 151, aforesaid back plug tenon 22 is inserted in this plug tenon chamber, back 151, and the position placed in the middle depression in the bottom of the right-hand member of pedestal 1 has a guiding tongue containing cavity 18, and aforesaid guiding tongue 221 is placed in this guiding tongue containing cavity 18.Show by Fig. 1, be formed with one towards the position placed in the middle of a side of battery cavities 11 at bottom plate 2 and separate prominent bar 23, separate prominent bar 23 by this aforesaid two joint dry storage batterys 7 are separated, avoid producing each other interference.In addition, be fixed with a plate electromagnet 24, just the present invention can be placed (being adsorbed in) such as refrigerator or similarly on the carrier of metal material by plate electromagnet 24 at the basal surface of bottom plate 2.

The structure of preferred heat sealing machine structure 3 provided by the invention is as follows: the below at middle part that a vertical sectional shape is the thermal insulation matrix 31 of convex shape offers a compression spring seat hole 311, two ends respectively offer a conduction haptic element jack 312, upper surface at thermal insulation matrix 31 sets firmly the netted electric hot plate 32 that is woven into by heating wire, in pair of conductive haptic element jack 312, respectively plug and put a conduction haptic element 33, each conducts electricity the upper end of haptic element 33 and is electrically connected with electric hot plate 32, lower end and aforesaid first,

second hook plate

1312,1412 is corresponding, the lower end of one compression spring 34 holds in aforesaid compression spring hole 121, and the upper end probes in the compression spring seat hole 311.Under the effect of compression spring 34, make thermal insulation matrix 31 be in quick condition.

Still see Fig. 1 and Fig. 2, one lid 4 is fixing with pedestal 1, on pedestal 1, be preset with pair of screws seat 19, revolve on each screw base 19 and be furnished with screw 191, on lid 4 and at position, be preset with a pair of lid screw base 45 corresponding to screw base 19, by pair of screws 191 that lid screw base 45 is fixing with screw base 19.End at lid 4 is that graphic left end offers an electric heating plate hole 41, the middle part of aforesaid thermal insulation matrix 31 is corresponding to electric heating plate hole 41, and on the corresponding wall body of left end of lid 4, respectively offer retaining clip axis hole 46, a pair of retaining clip axis hole 46 head lamp brush guard pivots are provided with a retaining clip 6, specifically: respectively have a retaining clip axle 61 on the corresponding inwall at the two ends of retaining clip 6, retaining clip axle 61 matches with retaining clip axis hole 46.The effect of retaining clip 6 is blocking-up (stopping) electric heating plate holes 41, by retaining clip 6 shutoff electric heating plate holes 41, gives as security pressure arm 5 even if connect under non-working condition, also can not act on the thermal insulation matrix 31 of heat sealing machine structure 3, avoids the improper situation of sealing to occur.The other end at lid 4 is that right-hand member offers a torsion spring chamber 43, on the corresponding wall body in torsion spring chamber 43, respectively be extended with a torsion spring pin pivot seat 431, the middle part of one torsion spring folder 42 contacts with the following pressure arm that also will describe 5, the two ends of torsion spring folder 42 are nested with rotationally on torsion spring pin pivot seat 431, and a pair of positioning pin 421 of torsion spring folder 42 is kept out the back side at lid 4.The axis pin base 44 of the corresponding both sides of lid 4 right-hand members is used for articulating with the right-hand member of pressure arm 5, has respectively extended a bearing pin head 52 in correspondence two inboards of the right-hand member of pressure arm 5, and bearing pin head 52 matches with axis pin base 44.The left end of pressure arm 5 is formed with a briquetting seat chamber 51, sets briquetting seat 511 on the briquetting seat chamber 51, sets firmly thermal insulation briquetting 5111 on the briquetting seat 511, and at the surface coverage thermal insulation emulsion sheet 5112 of thermal insulation briquetting 5111.Thermal insulation briquetting 5111 is corresponding to aforesaid electric heating plate hole 41, and is more particularly, corresponding with the middle part of aforesaid thermal insulation matrix 31.

In the time will using the present invention that the sack by bag film illustrated in Figure 28 is sealed, at first aforesaid retaining clip 6 is pulled the state shown in Figure 2 of opening up, when press...withing one's finger down the left end of pressure arm 5, thermal insulation briquetting 5111 is descending through electric heating plate hole 41 compressing thermal insulation matrixes 31, make pair of conductive haptic element 33 and a pair of first, second battery lead plate 131,141 first,

second hook plate

1312,1412 contacts, this moment circuit turn-on, electric hot plate 32 heatings, make the sack fusion of the bag film 8 between electric hot plate 32 and thermal insulation emulsion sheet 5112, in this process, the user needs only mobile bag film 8 or mobile sealing device of film bags of the present invention, can finish and seal.When being in non-working condition following time, retaining clip 6 is pulled to open up corresponding to electric heating plate hole 41 getting final product.

Claims

1. sealing device of film bags, comprise a pedestal (1), the bottom side of the length direction of this pedestal (1) has a battery cavities (11), one end of the upside of pedestal (1) have an electrode panel seat (12) and be positioned at the parallel to each other of electrode panel seat (12) rear portion and communicate with described battery cavities (11) first, the second battery lead plate chamber (13,14), first battery lead plate chamber (13) interpolation embedding first battery lead plate (131), and second battery lead plate chamber (14) interpolation embedding second battery lead plate (141), and, first, second battery lead plate (131,141) a end separately is corresponding to described battery cavities (11), and the other end separately is hung on the described electrode panel seat (12), middle part at the length direction of electrode panel seat (12) offers a compression spring hole (121), the other end of the upside of pedestal (1) has a pin base (15) and is positioned at the third electrode plate chamber (16) that communicates with described battery cavities (11) at pin base (15) rear portion, third electrode plate chamber (16) interpolation embedding third electrode plate (161), this third electrode plate (161) and described first, second battery lead plate (131,141) corresponding; One bottom plate (2) is inserted the bottom side be embedded in pedestal (1), and is corresponding with battery cavities (11) and battery cavities (11) sealed; One heat sealing machine structure (3), floating ground are arranged on described electrode panel seat (12) and upward and with described first, second battery lead plate (131,141) match; One lid (4), fixing with described pedestal (1), offer one at the end of this lid (4) and be used for the electric heating plate hole (41) that probes into for described heat sealing machine structure (3), the other end is provided with torsion spring folder (42); One pressure arm (5), one end of this pressure arm (5) and towards under a side have a briquetting seat chamber (51), dispose a briquetting seat (511) on the briquetting seat chamber (51), be installed with a position and the corresponding thermal insulation briquetting of described electric heating plate hole (41) (5111) on the briquetting seat (511), the other end of pressure arm (5) is hinged with described lid (4) and contact with described torsion spring folder (42), it is characterized in that: described heat sealing machine structure (3) comprises a thermal insulation matrix (31), electric hot plate (32), a pair of conductive haptic element (33) and a compression spring (34), the middle position of the bottom of thermal insulation matrix (31) offers a compression spring seat hole (311), two ends respectively offer a conduction haptic element jack (312), the lower end of compression spring (34) is placed in the described compression spring hole (121), and the upper end is arranged in compression spring seat hole (311), the be laid in upper surface of thermal insulation matrix (31) of electric hot plate (32), pair of conductive haptic element (33) is plugged on respectively in the described conduction haptic element jack (312), each conducts electricity the upper end of haptic element (33) and is electrically connected each lower end and described first with described electric hot plate (32), second battery lead plate (131,141) corresponding.

2. sealing device of film bags according to claim 1, an end that it is characterized in that described first battery lead plate (13) is bent with one first battery contact feet (1311), the other end is bent with one first hook plate (1312), the first battery contact feet (1311) is arranged in described battery cavities (11), and first hook plate (1312) is hung on an end of described electrode panel seat (12); One end of described second battery lead plate (14) is bent with one second battery contact feet (1411), the other end is bent with one second hook plate (1312), the second battery contact feet (1411) is arranged in described battery cavities (11), and second hook plate (1312) is hung on the other end of described electrode panel seat (12); Described third electrode plate (161) has the 3rd, the 4th battery contact feet (1611,1612) at the lateral buckling towards described first, second battery lead plate (131,141), three, the 4th battery contact feet (1611,1612) is arranged in battery cavities (11), wherein, the 3rd battery contact feet (1611) is corresponding with the described first battery contact feet (1311), and the 4th battery contact feet (1612) is corresponding with the described second battery contact feet (1411).

3. sealing device of film bags according to claim 2, the polarity of electrode that it is characterized in that described the first, the 4th battery contact feet (1311,1612) is identical, and the polarity of electrode of described second, third battery contact feet (1411,1611) is identical, and the polarity of electrode of the first, the 4th battery contact feet (1311,1612) is opposite with the polarity of electrode of second, third battery contact feet (1411,1611).

4. sealing device of film bags according to claim 1, an end that it is characterized in that bottom plate (2) has at least one preceding plug tenon (21), and the other end has extended a back plug tenon (22), and be equipped with a battery towards the middle part of the length direction of described battery cavities (11) one sides at bottom plate (2) and separate prominent bar (23), one end of the bottom of described pedestal (1) and corresponding to described first, second battery lead plate (131,141) below respectively is concaved with preceding plug tenon groove (17), the other end of the bottom of pedestal (1) is concaved with a guiding tongue containing cavity (18), described pin base (15) has plug tenon chamber (151), a back, plug tenon (21) and preceding plug tenon groove (17) inserting mutually before described, described back plug tenon (22) is inserted in the plug tenon chamber, back (151), also be extended with a guiding tongue (221) on back plug tenon (22), this guiding tongue (221) is corresponding in the described guiding tongue containing cavity (18).

5. according to claim 1 or 4 described sealing device of film bags, it is characterized in that being installed with a plate electromagnet (24) on the basal surface of described bottom plate (2).

6. sealing device of film bags according to claim 1, the vertical sectional shape that it is characterized in that described thermal insulation matrix (31) is convex shape, described electric hot plate (33) is for adopting the web plate of heating wire braiding, and the surface of described thermal insulation briquetting (5111) is provided with thermal insulation emulsion sheet (5112).

7. sealing device of film bags according to claim 1, an end that it is characterized in that the upper surface of described lid (4) is concaved with a torsion spring chamber (43), respectively has torsion spring folder pivot seat (431) on the corresponding cavity wall in torsion spring chamber (43), the middle part of described torsion spring folder (42) contacts with described pressure arm (5), and the two ends of torsion spring folder (42) are nested with on corresponding torsion spring pin pivot seat (431), and a pair of positioning pin (421) of torsion spring folder (42) is kept out on the inwall of lid (4).

8. sealing device of film bags according to claim 1, the corresponding both sides that it is characterized in that the end that described lid (4) and described pressure arm (5) are hinged respectively offer an axis pin base (44), and correspondence two inboards of described pressure arm (5) respectively are extended with a bearing pin head (52), and bearing pin head (52) matches with axis pin base (44).

9. sealing device of film bags according to claim 1 is characterized in that described lid (4) head lamp brush guard pivot is provided with a retaining clip (6), and this retaining clip (6) is corresponding to the top of described electric heating plate hole (41).