Lighter, cast casing and hinge mounting structure thereof and method
Technical field
The present invention relates to lighter, particularly relate to a kind of lighter cast shell hinge mounting structure, and relate to the installation method that is used for this lighter cast shell hinge mounting structure.The invention still further relates to the lighter casing and the lighter that adopt this lighter cast shell hinge mounting structure.
Background technology
Lighter is a fire-taking device commonly used in people's daily life, also often is selected to the article as courtesy present in commercial affairs and human communication.In recent years, in the industry the structure of many parts of lighter is constantly being carried out improving and perfect,, satisfying people the serviceability of lighter and the pursuit of exquisite class to promote the quality of lighter.
Common lighter comprises shell and movement.Shell comprises loam cake and lower cover, and with the hinge that loam cake and lower cover couple together, is used for movement is contained in wherein, plays the effect of protection movement, and loam cake pivots by the relative loam cake of hinge in use, exposes movement, the operation of striking sparks.Movement is the unit of getting fire of lighter.
According to the manufacturing process difference of lighter casing, lighter casing is divided into stretching shell and cast casing.Cast casing can form complicated planform owing to have favorable rigidity, can save cost, has therefore obtained increasing application.
Under the situation of stretching shell, hinge is to be welded on the upper and lower cover with spot-welding technology, and under the cast casing situation, different because of sheathing material with hinge material, can not finish the connection of upper and lower covers with the technology of spot welding.Therefore, now generally all use following dual mode to finish the combination of upper and lower covers:
A:, in the hinge slot of the upper and lower covers of shell, fix with glue again with the hinge intercalation with the method for intercalation.
Referring to Fig. 1, be depicted as the schematic diagram of the hinge mounting structure of this lighter cast shell of the prior art.Wherein, Fig. 1 (a) and (b) master of being respectively loam cake 1 and lower cover 2 looks cutaway view.Fig. 1 (c), (d) are respectively the front view and the right view of hinge 3, and as can be seen, hinge 3 comprises upper hinge portion 31 and following hinge portion 32, link together pivotly by pivot between the upper and lower hinge portion 31 and 32.Master when Fig. 1 (e) is connected through the hinge together for upper and lower cover looks cutaway view, and Fig. 1 (f) is the sectional structure enlarged diagram along l-I line among Fig. 1 (e), shows the syndeton of upper hinge portion 31 and loam cake 1.Wherein, be used on loam cake 1 inner surface to install on the sidewall of hinge and form hinge slot 11, upper hinge portion 31 is inserted into 11 li of cover hinge slots.The both sides of slot are formed with hook portion 12 respectively, upper hinge portion 31 is remained in the hinge slot 11, and fix with glue.Fig. 1 (g) is the sectional structure enlarged diagram along II-II line among Fig. 1 (e), show down the syndeton of hinge portion 32 and lower cover 2, wherein, be used on lower cover 2 inner surfaces to install on the sidewall of hinge and form hinge slot 21, following hinge portion 32 is inserted into 11 li of cover hinge slots, fixedly mounts in the mode identical with the syndeton of loam cake 1 with the upper hinge portion 31 shown in Fig. 1 (f).
Therefore in this hinge mounting structure, hinge directly injects in the hinge slot of upper and lower cover, and the surface of hinge is into horizontal linear with the contact-making surface of upper and lower intercalation, is easy to hinge is inserted slot but also is easy to just upper and lower covers be drawn back.Fix even add glue, but along with the prolongation of time or fall to produce vibration (dried glue is come off) on the ground, also still be easy to produce the problem that to draw back (unstable properties) between hinge and the upper and lower cover, shown in Fig. 1 (h).
B: when the casting upper and lower covers, directly hinge is cast out.Connect upper and lower covers with pin then.
Referring to Fig. 2, be depicted as the schematic diagram of the hinge mounting structure of this lighter cast shell of the prior art.
The master that Fig. 2 (a) and (b) are respectively loam cake 1 and lower cover 2 looks cutaway view.Therefrom as can be seen, be formed with upper hinge portion 31 and following hinge portion 32 on loam cake 1 and the lower cover 2 respectively.Fig. 2 (c), (d) be respectively upper hinge portion 31 and play hinge portion 32 along P to inboard zoomed-in view, show the connecting portion that has complementation between upper and lower hinge portion 31 and 32.Fig. 2 (e) shows the pivot 33 that is used to connect upper and lower hinge portion 31 and 32, and by this pivot 33, upper and lower cover 1 and 2 is hinged, shown in Fig. 2 (f).
Though this mode has solved the problem of drawing back easily between the upper and lower cover, but because in cast casing, the founding materials particularly intensity and the toughness of kirsite is not enough, when lighter often uses, loam cake 1 this action of will opening repeatedly, close, in the course of time, this cycling becomes can produce fatigue, causes the fracture of shell upper and lower cover upper hinge junction easily.Therefore, this mode still can not satisfy the requirement of using well, and the hinge surface difficulty of processing of this mode is also very big.
Summary of the invention
The objective of the invention is to the deficiency that exists at prior art, a kind of hinge mounting structure of new lighter cast shell is provided, hinge can be connected on the upper and lower cover reliably, be not easy between the upper and lower cover to come off thereby make.
For achieving the above object, according to an aspect of the present invention, provide a kind of lighter cast shell hinge mounting structure, shell forms for casting, and comprising: loam cake is formed with the cover hinge slot; Lower cover is formed with cover hinge slot down; Hinge, comprise the first hinge portion and the second hinge portion that can be pivoted relative to each other, the first hinge portion inserts goes up in the cover hinge slot, the second hinge portion inserts cover hinge slot down, it is characterized in that, form towards riveting portion between in the first hinge portion and the second hinge portion one of at least and in corresponding loam cake and the lower cover at least one,, prevent relative slip between hinge portion and the hinge slot by fixedly connected towards riveting portion.
According to a further aspect in the invention, provide a kind of lighter cast shell hinge mounting structure, shell forms for casting, and comprising: loam cake is formed with the cover hinge slot; Lower cover is formed with cover hinge slot down; Hinge, comprise the first hinge portion and the second hinge portion that can be pivoted relative to each other, the first hinge portion inserts goes up in the cover hinge slot, the second hinge portion inserts cover hinge slot down, it is characterized in that, form concavo-convex fit structure between in the first hinge portion and the second hinge portion one of at least and in corresponding loam cake and the lower cover at least one, fixedly connected by this concavo-convex fit structure, prevent relative slip between hinge portion and the hinge slot.
According to a further aspect in the invention, provide a kind of lighter cast shell, comprised above-described lighter cast shell hinge mounting structure.
According to a further aspect in the invention, provide a kind of lighter, comprised above-described lighter cast shell hinge mounting structure.
According to a further aspect in the invention, provide a kind of lighter cast shell hinge installation method, shell comprises loam cake for casting forms, and is formed with the cover hinge slot; Lower cover is formed with cover hinge slot down; And hinge, comprising the first hinge portion and the second hinge portion that can be pivoted relative to each other, described method comprises: the first hinge portion is inserted go up cover hinge slot (11); The second hinge portion is inserted cover hinge slot down, it is characterized in that, also comprise: towards the riveting first hinge portion, between the first hinge portion and described loam cake, form, thereby fixedly connected hinge portion and described hinge slot prevent to slide relatively between the two towards riveting portion; And towards the riveting second hinge portion, between the second hinge portion and lower cover, form towards riveting portion, by fixedly connected, prevent relative slip between hinge portion and the hinge slot towards riveting portion.
The invention has the beneficial effects as follows,, hinge can be connected on the upper and lower cover reliably, make to be not easy between the upper and lower cover to come off, thereby serve as the quality of lighter by fixedly connected effect towards riveting portion.
Description of drawings
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail.By these descriptions, can more be expressly understood purpose of the present invention, advantage and feature.Accompanying drawing constitutes the part of specification, and with specification, is used for explaining principle of the present invention.In described embodiment, identical feature provides identical title and label, and it is repeated in this description omission.Among the figure:
Fig. 1 is the schematic diagram of the hinge mounting structure of a kind of lighter cast shell of the prior art, and wherein the hinge intercalation and is fixed with glue in the upper and lower cover hinge slot of shell;
Fig. 2 is the schematic diagram of the hinge mounting structure of another kind of lighter cast shell of the prior art, wherein directly hinge is cast out when the casting upper and lower cover, and then connects upper and lower cover with pin;
Figure 3 shows that schematic diagram according to the hinge mounting structure of the lighter cast shell of the first embodiment of the present invention, wherein hinge comprises the lid jet-bedding, hinge jet-bedding and the hook portion jet-bedding that overlap the location each other that is formed at respectively on upper and lower cover, hinge and the hook portion by being fixedly connected on the upper and lower cover towards the riveting point towards the riveting point;
Fig. 4 is the schematic diagram of the hinge mounting structure of lighter cast shell according to a second embodiment of the present invention;
Fig. 5 is the schematic diagram of hinge mounting structure of the lighter cast shell of a third embodiment in accordance with the invention;
Fig. 6 is the schematic diagram of hinge mounting structure of the lighter cast shell of a fourth embodiment in accordance with the invention.
Description of reference numerals:
1 loam cake, 11 hinge slots, 12 hook portions
13 blocks
2 lower covers, 21 hinge slots, 22 hook portions
3 hinges, 31 upper hinge portions, 311 blocks
32 times hinge portion 33 trunnions
A is towards the A1 of riveting portion lid jet-bedding A2 hinge jet-bedding
A3 hook portion jet-bedding A4 lid cast recess A5 breach
The specific embodiment
Below in conjunction with accompanying drawing the specific embodiment of the present invention is described in further detail.
First embodiment
Figure 3 shows that the schematic diagram of the hinge mounting structure of lighter cast shell according to an embodiment of the invention.
Wherein, Fig. 3 (a) and (b) master of being respectively loam cake 1 and lower cover 2 looks cutaway view.Fig. 3 (c), (d) are respectively the front view and the right view of hinge 3, and as can be seen, loam cake 1 and lower cover 2 link together by hinge 3.Hinge 3 comprises upper hinge portion 31 and following hinge portion 32, links together pivotly by pivot between the upper and lower hinge portion 31 and 32.
Master when Fig. 3 (e) is connected through the hinge together for upper and lower cover looks cutaway view, and Fig. 3 (f) is the sectional structure enlarged diagram along I-I line among Fig. 3 (e), shows the syndeton of upper hinge portion 31 and loam cake 1.Wherein, be used on loam cake 1 inner surface to install on the sidewall of hinge and form hinge slot 11, upper hinge portion 31 is inserted into 11 li of cover hinge slots.The both sides of slot are formed with relative hook portion 12 respectively, and upper hinge portion 31 is remained in the hinge slot 11.Fig. 3 (g) is the sectional structure enlarged diagram of II-II line in Fig. 3 (e), fixedly mounts in the mode identical with the syndeton shown in Fig. 1 (f) between following hinge portion 32 and the lower cover 2.
After in the hinge slot 11 and 21 that upper hinge portion 31 and following hinge portion 32 is embedded loam cake 1 and lower cover 2 respectively, carry out operating towards riveting.Fig. 3 (h) is depicted as the hinge mounting structure assembling of lighter cast shell the time to carry out towards the structural representation of riveting operation, Fig. 3 (i) be depicted as along P among Fig. 3 (h) to the inner side view of lighter casing.Therefrom as can be seen, carry out towards riveting at the position, joint portion of hinge portion 31,32 and upper and lower cover 1,2 up and down from lighter cast shell inside, forms a plurality of towards the A of riveting portion.The relative hook portion 12 and 22 of hinge slot 11 on the upper and lower cover 1 and 2 and 21 both sides is respectively the continuous hook portion that extends in parallel.Be positioned on the hook portion 12 and 22 of upper and lower cover 1,2 position that overlaps with upper and lower hinge portion 31,32 towards the A of riveting portion.By these fixedly connected towards the A of riveting portion, like this, the contact-making surface of hinge and slot no longer is a horizontal plane, but irregular wavy, therefore be difficult for upper and lower covers is separated, thereby can prevent to state relative slip between hinge portion 31,32 and the described hinge slot 11,21.
Though upper hinge portion 31 has been shown among Fig. 3 (h) and (i) fixedlys connected with lower cover 2 with described loam cake 1 towards the A of riveting portion by a plurality of respectively with following hinge portion 32, but can know, as long as can guarantee enough bonding strengths, also can have only one respectively towards the A of riveting portion between upper hinge portion 31 and the loam cake 1 or between following hinge portion 32 and the lower cover 2, perhaps as required, also can only be provided with towards the A of riveting portion, and (or between upper hinge portion 31 and loam cake 1) fixed with traditional glue connected mode between following hinge portion 32 and lower cover 2 at (or only down between hinge portion 32 and lower cover 2) between upper hinge portion 31 and the loam cake 1.
Carrying out after the riveting operation, hinge 3 is fixed together with upper and lower cover 1 and 2, shown in Fig. 3 (j).Simultaneously, Fig. 3 (k) shows among Fig. 3 (j) and comprises towards the sectional structure enlarged diagram of the Q portion of riveting point A.
Can see in conjunction with Fig. 3 (i) with (k), in the present embodiment, be positioned on the guiding hook portion 12,22 towards the A of riveting portion, comprise the lid jet-bedding A1 that is formed on loam cake 1 or the lower cover 2, be formed at the hinge jet-bedding A2 in the described hinge portion 31,32 and be formed at hook portion jet-bedding A3 on the guiding hook portion 12,22.Hook portion jet-bedding A3 overlaps the location each other with corresponding hinge jet-bedding A2 and lid jet-bedding A1, like this, just forms concavo-convex cooperation location structure between jet-bedding A1, A2 and A3, thereby prevent that effectively hinge portion 31 and 32 is drawn out from loam cake 1 and lower cover 2.
Can see from Fig. 3 (i), be point-like towards the A of riveting portion, and promptly lid jet-bedding A1, hinge jet-bedding A2 should be point-like respectively mutually with hook portion jet-bedding A3.Selectively, should also can be strip towards the A of riveting portion, promptly lid jet-bedding A1, hinge jet-bedding A2 should be strip respectively mutually with hook portion jet-bedding A3.
Can see that from Fig. 3 (i) the hinge slot 11 on the upper and lower cover 1 and 2 is respectively the continuous hook portion that extends in parallel with the relative hook portion 12 and 22 of 21 both sides.Selectively, this hook portion 12,22 also can be discontinuous structure, promptly along parallel direction a plurality of independently hook portions is set respectively at hinge slot 11 and 21 both sides.
Second embodiment
Lighter cast shell hinge mounting structure according to second embodiment of the invention has been shown among Fig. 4.Wherein, be, be not arranged on the both sides of hinge slot 11 and 21 towards riveting point A, and be arranged on hinge slot 11 and 21 centre position longitudinally, shown in Fig. 4 (i) along the hook portion 12 and 22 of upper and lower cover 1 and 2 with the first embodiment difference.
Carrying out after the riveting operation, hinge 3 is fixed together with upper and lower cover 1 and 2, shown in Fig. 4 (j).Simultaneously, Fig. 4 (k) shows among Fig. 4 (j) and comprises towards the sectional structure enlarged diagram of the Q portion of riveting point A.
From Fig. 4 (k), can see, in the present embodiment, comprise the lid jet-bedding A1 that is formed on loam cake 1 or the lower cover 2 and be formed at hinge jet-bedding A2 in the described hinge portion 31,32 towards the A of riveting portion.Hinge jet-bedding A2 overlaps the location each other with corresponding lid jet-bedding A1, like this, just forms concavo-convex cooperation location structure between jet-bedding A1 and A2, thereby prevent that effectively hinge portion 31 and 32 is drawn out from loam cake 1 and lower cover 2.
The 3rd embodiment
Lighter cast shell hinge mounting structure according to third embodiment of the invention has been shown among Fig. 5.The 3rd embodiment and the second embodiment difference are, described lid jet-bedding A1 is replaced the lid cast recess A4 that is pre-formed in described loam cake 1 or described lower cover 2, as Fig. 5 (k1) with (k2).Describedly be arranged on hinge slot 11 and 21 centre position longitudinally, shown in Fig. 5 (i) towards the A of riveting portion.
Carrying out after the riveting operation, hinge 3 is fixed together with upper and lower cover 1 and 2, shown in Fig. 5 (j).Simultaneously, Fig. 5 (k1) shows the Q portion that comprises among Fig. 4 (j) towards riveting point A at the sectional structure enlarged diagram before riveting, and Fig. 5 (k2) shows the Q portion that comprises among Fig. 4 (j) towards riveting point A at the sectional structure enlarged diagram after riveting.
Can see from Fig. 5 (k1) with (k2), in the present embodiment, comprise the lid cast recess A4 that is formed in advance on loam cake 1 or the lower cover 2 and by be formed at the hinge jet-bedding A2 in the described hinge portion 31,32 towards riveting towards the A of riveting portion.Hinge jet-bedding A2 overlaps the location each other with corresponding lid cast recess A4, like this, just forms concavo-convex cooperation location structure between lid cast recess A4 and hinge jet-bedding A2, thereby prevent that effectively hinge portion 31 and 32 is drawn out from loam cake 1 and lower cover 2.
The 4th embodiment
Lighter cast shell hinge mounting structure according to fourth embodiment of the invention has been shown among Fig. 6.The difference of the 4th embodiment and first embodiment is, the both sides of described hinge portion 31,32 are formed with breach A5 respectively, are positioned at the position corresponding with breach A5 on the guiding hook portion 12,22 towards the A of riveting portion, thereby are locked among the breach A5.
Referring to Fig. 6 (d), show the right view of hinge 3, wherein, the both sides of upper and lower hinge portion 31,32 are formed with a plurality of breach A5 respectively.Referring to Fig. 6 (i), show with Fig. 3 (i) in similarly towards the position of the A of riveting portion, the A of portion is locked among the breach A5 towards riveting backlash riveting.Like this, between the hook portion jet-bedding A3 (not shown) of the A of riveting portion and breach A5, just forming concavo-convex cooperation location structure, thereby preventing that effectively hinge portion 31 and 32 is drawn out from loam cake 1 and lower cover 2.
In above embodiment, all be by towards riveting processing, upper and lower cover body 1 and 2 with upper and lower hinge portion 31 and 32 between the concavo-convex fit structure of formation, thereby hinge portion 31 and 32 is fixedly connected on upper and lower cover body 1 and 2.
Selectively, under situation about allowing, also can carry out punching press to the guiding hook portion 12,22 that the opposing parallel that forms respectively in hinge slot 11,21 both sides is extended is out of shape and forms towards the A of riveting portion, make it to be squeezed in the hinge portion 31,32, thereby hinge portion 31,32 is remained fixed in the hinge slot 11,21 by stiction.
Selectively, if passing through towards riveting processing method in addition, for example cast preformed mode, upper and lower cover body 1 and 2 and upper and lower hinge portion 31 and 32 between form concavo-convex fit structure, can play that so equally also hinge portion 31 and 32 is fixedly connected on effect on upper and lower cover body 1 and 2.This is equally within protection scope of the present invention.
More than lighter cast shell adopts when arbitrary embodiment or the described hinge mounting structure of its equivalent structure, the upper and lower covers that can prevent lighter casing effectively is owing to the relative slip of hinge portion causes drawing back separation, thereby can improve the quality of lighter.
In addition, can further remove the casting block 13 (seeing Fig. 1 (a)) of conventional cast lighter loam cake inside, change bending upper end formation block 311 (seeing Fig. 3 (a)) in lengthening upper hinge portion into.So not only can adjust link stopper 311 (transferring to the left or to the right) and change the tone color of the sound that sends, and can reduce the difficulty when casting loam cake, thereby reduce the number of rejects and seconds rate.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various changes and variation.All any modifications of being done within the spirit and principles in the present invention, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.