CN209727248U - A kind of encapsulated scale pan structure - Google Patents
A kind of encapsulated scale pan structure Download PDFInfo
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- CN209727248U CN209727248U CN201920673806.5U CN201920673806U CN209727248U CN 209727248 U CN209727248 U CN 209727248U CN 201920673806 U CN201920673806 U CN 201920673806U CN 209727248 U CN209727248 U CN 209727248U
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- scale pan
- ebonite
- flexible glue
- encapsulated
- glue
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Abstract
The utility model relates to a kind of encapsulated scale pan structures, belong to measuring weighing instrument technical field.The utility model devises location structure on the ebonite scale pan, for the adhesion reliability for guaranteeing ebonite and flexible glue, devises the back-off structure of a circle round platform hole；When quadric injection mould, the glue-feeder of flexible glue design be in rear mold avoided by the through-hole of ebonite scale pan bottom surface into glue setting preceding mould can be the problem of appearance leaves mouth of a river trace.Not only appearance has texture to the scale pan of the utility model, but also surface texturisation is soft, increases the use comfort of product.
Description
Technical field
The utility model relates to a kind of scale structure, especially a kind of encapsulated scale pan structure concretely relates to one kind
The package assembly that flexible glue packet ebonite is realized using injection molding manner, belongs to measuring weighing instrument technical field.
Background technique
As shown in Figure 1, the scale pan of existing flexible glue packet ebonite, is generally glued the flexible glue scale pan and the ebonite scale pan using double-sided adhesive
Patch is got up, and is had the following deficiencies: using the product of this design
1. uniquely relying on adhered by double sided plaster, bubble is had between flexible glue and ebonite, the scale pan face of flexible glue can stick out, and influence
It is beautiful；
2. more time-consumings, more costs when assembling；
3. if two kinds of scales pan can fall off separation wash with water for a long time；
Therefore, a scale pan that flexible glue packet ebonite is realized with injection molding manner is now designed.
Utility model content
The purpose of this utility model is in view of the above shortcomings of the prior art, to provide a kind of encapsulated scale pan structure, this is practical
Novel elder generation's injection molding goes out the scale pan of ebonite, then the ebonite scale pan is put into the mold of flexible glue injection molding, and injection molding flexible glue TPE is realized
Flexible glue packet ebonite uses secondary injection molding technique, and by the structure of the improvement flexible glue scale pan and the ebonite scale pan, by direct
The mode of injection molding realizes flexible glue packet ebonite, ultimately forms the encapsulated scale pan structure.
The technical solution of the utility model is as follows:
A kind of encapsulated scale pan structure, characterized in that it is made of the ebonite scale pan of the flexible glue scale pan on top and lower part, it is described hard
The glue scale pan is being equipped with a circle ebonite positive stop lug boss with flexible glue scale pan lap-joint, and ebonite scale pan bottom surface is at least provided with ebonite at 2
Limited post；Several up-small and down-big round platform holes are additionally provided on the ebonite scale pan, the flexible glue scale pan extends to the round platform hole
It is interior, form back-off structure.
Preferably, the thickness of the flexible glue scale pan is less than or equal to 2mm.
Preferably, the ebonite limited post is boss column.
Preferably, the ebonite scale pan is circle, and the round platform hole is uniformly distributed at 3/4 radius of the ebonite scale pan, and
A circle is surrounded on the ebonite scale pan.
Preferably, the bottom diameter of the round platform hole and top diameter ratio thereon are 1.3-1.5；The height of the round platform hole with
Top diameter is than control within 1.5 thereon.
Preferably, the bottom of the round platform hole is diameter 1.45mm, and pushing up diameter thereon is 1.1mm, height 1.5mm.
Preferably, the flexible glue glue-feeder of the flexible glue scale pan is equipped at the bottom center of the ebonite scale pan.
Preferably, the flexible glue glue-feeder is the through-hole of diameter 7mm.
Preferably, the ebonite scale pan radius of circle is 60mm, and the central angle between two neighboring round platform hole is 30 °, this is hard
The sectorial area that central angle is 30 ° on the glue scale pan is separated into two parts by the line of two neighboring round platform hole, the two-part face
Product is than being 0.86:1.
The utility model scale pan is made of two kinds of materials, and one is the thermoplastic TPE flexible glue scales pan, and another kind is plastics
The polycarbonate PC ebonite scale pan, the scale pan of two kinds of materials are combined together by way of quadric injection mould, first injection-moulded plastic PC
The scale pan, then the PC scale pan is put into the mold of TPE and is molded.
The utility model devised on the ebonite scale pan location structure (be in die face before i.e. a circle ebonite positive stop lug boss, after
At least two BOSS column on mould)；For the adhesion reliability for guaranteeing ebonite and flexible glue, the back-off structure of a circle round platform hole is devised；
To avoid shrink problem, the thickness design of flexible glue TPE requires to be less than or equal to 2mm；When quadric injection mould, the glue-feeder of flexible glue is designed
It is the through-hole by ebonite scale pan bottom surface into glue in rear mold, avoids and preceding mould is set can leave mouth of a river trace in appearance
Problem.
The scale pan of the utility model is made of two kinds of material injection moldings of flexible glue TPE and hard plastic, and not only appearance has texture, and
And surface texturisation is soft, increases the use comfort of product.Part makes two kinds of materials using the form of back-off, formerly injection molding modeling
After the glue scale pan, then it is molded the mode of the TPE scale pan, in conjunction with even closer, avoided bad using heaving for adhered by double sided plaster.Flexible glue
Glue-feeder designs in rear mold, and the center location of the ebonite scale pan is made into the through-hole of diameter 7mm, from rear mold when being molded convenient for flexible glue
Into glue, avoiding in appearance has the problem of mouth of a river trace.
Detailed description of the invention
Fig. 1 is the connection schematic diagram of the flexible glue scale pan and the ebonite scale pan in background technique；
Fig. 2 is the flexible glue scale pan and ebonite scale pan lap-joint schematic diagram in the utility model；
Fig. 3 is ebonite scale pan schematic bottom view in the utility model；
Fig. 4 is back-off structure schematic diagram in the utility model；
Fig. 5 is back-off structure schematic diagram in the prior art；
Fig. 6 is the distribution schematic diagram of round platform hole in the utility model；
Fig. 7 is the bottom surface partial enlarged view of the ebonite scale pan in the utility model；
In figure: the 1 flexible glue scale pan, the 2 ebonite scales pan, 3 ebonite positive stop lug boss, 4 ebonite limited posts, 5 round platform holes, 6 flexible glues are into glue
Mouthful.
Specific embodiment
As shown in Fig. 2, the plastics scale pan of the utility model is divided into two kinds of material compositions, one is thermoplastic cement TPE flexible glues
The scale pan 1, another kind are the plastic injection piece ebonite scales pan 2.First injection molding goes out the ebonite scale pan 2, then the ebonite scale pan 2 is put into note
It moulds and is molded in the mold of TPE, realize flexible glue packet ebonite.
In order to ensure smoothly completing for quadric injection mould, it must have structure to limit to the ebonite scale pan in a mold, prevent
The ebonite scale pan is run in the mold cavity of injection molding TPE.As shown in Figure 2 and Figure 3, appended drawing reference 3 is exactly that the round ebonite scale pan exposes
The coil structures (ebonite positive stop lug boss 3) come, push down the ebonite scale pan convenient for making structure on preceding mould, limit the position of its horizontal direction
It moves.As shown in Figure 2 and Figure 3, appended drawing reference 4, are analogous to the structure (ebonite limited post 4) of BOSS column, an ebonite scale pan up to
This structure at rare 2, it is therefore an objective to limit the displacement of the vertical direction displacement and direction of rotation of the ebonite scale pan.Can so it guarantee
When quadric injection mould, the position of the ebonite scale pan be it is fixed, when such quadric injection mould TPE glue, ebonite part in type chamber just will not be by
In injection pressure effect and run, cause to be molded bad.
When the very thin thickness of flexible glue TPE, it may occur that serious shrink problem is verified through research, and the thickness of flexible glue TPE is wanted
Reach 2mm, is just not in shrink phenomenon.
As shown in figure 4, the reliability of the adhesion in order to guarantee flexible glue and ebonite, devises falling for a circle taper in structure
The mode of button (round platform hole 5 is set on the ebonite scale pan).The structure (as shown in Figure 5) of the mode difference figure routine of this back-off, Fig. 5
Such back-off mode the problem of easily causing shrink.As shown in figure 4, the upside diameter of the round platform hole of back-off is 1.1mm, bottom surface is straight
Diameter is 1.45mm, and the ratio of lower diameter and upper diameter will be controlled in 1.3-1.5, and the height in hole is 1.5mm, and the ratio of upside diameter is wanted
Control is within 1.5.
As shown in fig. 6, ebonite scale pan radius 60mm, the round platform hole of this back-off is designed at the radius apart from the center of circle 3/4, is
In order to guarantee the area ratio for being buckled to position control in 1:1(± 0.15).
As shown in fig. 6, ebonite scale pan radius of circle is 60mm, the central angle between two neighboring round platform hole is 30 °, ebonite scale
Sectorial area by boundary of round platform hole is divided into two parts, i.e. net region and black region part at this on disk, can calculate net
The area in lattice region is the mm of 416 π/32, the area of the black region of entity filling is the mm of 484 π/322, area ratio 0.86:1,
It may insure the uniform force of round platform hole inner side and outer side.
As shown in Figure 6, Figure 7, when appended drawing reference 6 is quadric injection mould, the glue-feeder position of TPE flexible glue.
This flexible glue glue-feeder must design behind ebonite part, preferably center location.If according to conventional design preceding
Mould can leave the trace at the mouth of a river in the outer surface of flexible glue in this way, influence beauty；The position of ebonite part here needs to be made into through-hole
Structure, convenient for flexible glue from the rear through herein into glue.It avoids to see the problem of face leaves mouth of a river trace outside in this way.
Claims (9)
1. a kind of encapsulated scale pan structure, characterized in that be made of the ebonite scale pan (2) of the flexible glue scale pan (1) on top and lower part, institute
It states the ebonite scale pan and is being equipped with circle ebonite positive stop lug boss (3) with flexible glue scale pan lap-joint, ebonite scale pan bottom surface is at least provided with 2
Locate ebonite limited post (4)；Several up-small and down-big round platform holes (5) are additionally provided on the ebonite scale pan, the flexible glue scale pan extends
In to the round platform hole, back-off structure is formed.
2. a kind of encapsulated scale pan structure according to claim 1, characterized in that the thickness of the flexible glue scale pan is less than or waits
In 2mm.
3. a kind of encapsulated scale pan structure according to claim 1, characterized in that the ebonite limited post is boss column.
4. a kind of encapsulated scale pan structure according to claim 1, characterized in that the ebonite scale pan is circle, the circle
Platform hole is uniformly distributed at 3/4 radius of the ebonite scale pan, and a circle is surrounded on the ebonite scale pan.
5. a kind of encapsulated scale pan structure according to claim 4, characterized in that the bottom diameter of the round platform hole with thereon
Top diameter ratio is 1.3-1.5；The height of the round platform hole is with top diameter thereon than controlling within 1.5.
6. a kind of encapsulated scale pan structure according to claim 5, characterized in that the bottom of the round platform hole is diameter
1.45mm, pushing up diameter thereon is 1.1mm, height 1.5mm.
7. a kind of encapsulated scale pan structure according to claim 1, characterized in that set at the bottom center of the ebonite scale pan
There is the flexible glue glue-feeder (6) of the flexible glue scale pan.
8. a kind of encapsulated scale pan structure according to claim 7, characterized in that the flexible glue glue-feeder is diameter 7mm's
Through-hole.
9. a kind of encapsulated scale pan structure according to claim 4, characterized in that the ebonite scale pan radius of circle is 60mm,
Central angle between two neighboring round platform hole is 30 °, and the sectorial area that central angle is 30 ° on the ebonite scale pan is by two neighboring circle
The line in platform hole is separated into two parts, which is 0.86:1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673806.5U CN209727248U (en) | 2019-05-13 | 2019-05-13 | A kind of encapsulated scale pan structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920673806.5U CN209727248U (en) | 2019-05-13 | 2019-05-13 | A kind of encapsulated scale pan structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209727248U true CN209727248U (en) | 2019-12-03 |
Family
ID=68673254
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920673806.5U Active CN209727248U (en) | 2019-05-13 | 2019-05-13 | A kind of encapsulated scale pan structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209727248U (en) |
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2019
- 2019-05-13 CN CN201920673806.5U patent/CN209727248U/en active Active
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