CN202979528U

CN202979528U - Waterproof shell

Info

Publication number: CN202979528U
Application number: CN 201220620088
Authority: CN
Inventors: 顾海兵; 王立军
Original assignee: ZTE Corp
Current assignee: ZTE Corp
Priority date: 2012-11-21
Filing date: 2012-11-21
Publication date: 2013-06-05
Anticipated expiration: 2022-11-21
Also published as: WO2014079240A1

Abstract

The utility model provides a waterproof shell, comprising a front shell and a rear shell. The front shell comprises a front wall and an upper side wall, while the rear shell comprises a rear wall arranged corresponding to the front wall and a lower side wall attached to the upper side wall. The waterproof shell further comprises a sealing ring which is tightly attached to the upper side wall and the lower side wall so as to seal the junction place of the upper side wall and the lower side wall. The sealing ring seals the junction place of the upper side wall and the lower side by virtue of being tightly attached to the upper side wall and the lower side wall so that the waterproof property of the waterproof shell has relatively low requirement on the precision of the front shell, the rear shell, and the rubber ring, and thus the low production efficiency is increased and the production cost is reduced.

Description

Waterproof case

Technical field

The utility model relates to waterproof case, relates in particular to a kind of waterproof case of the electronic installation as mobile phone etc.

Background technology

On present market, traditional personal hand-held electronic equipment such as mobile phone or camera, is liked by the consumer more after it has water resistance.The housing of these electronic equipments generally includes fore shell and back cover at present, a rubber ring is normally placed in the realization of its water-proof function between front and rear casing, when assembling, rubber ring is pressed together between front and rear casing, thereby rubber ring is subjected to the front and rear casing extruding to make the inner space of housing fully with outside isolated, to play the effect of sealing.Yet this waterproof construction is high to manufacturing and the assembly precision requirement of shell and rubber ring, causes complete machine production efficiency low, and cost is high.

The utility model content

In view of this, be necessary the waterproof case that provides a kind of production efficiency high.

The utility model is real provides a kind of waterproof case, comprises fore shell and back cover, and this fore shell comprises antetheca and upper side wall, and this back cover comprises the rear wall that is oppositely arranged with this antetheca and the lower wall of fitting with this upper side wall.This waterproof case also comprises sealing ring, and the sealing circle fits tightly to this upper side wall and the lower wall outside to seal the joint of this upper side wall and lower wall.

Preferably, the sealing circle has elasticity and is in the state of being stretched.

Preferably, this upper side wall and lower wall are extended and respectively and have certain spacing between the edge of this antetheca and rear wall, to form storage tank, the sealing circle is contained in this storage tank from this antetheca and rear wall are vertical respectively.

Preferably, this upper side wall and lower wall offer at least one first groove along the bearing of trend of this storage tank respectively, and the sealing circle also comprises a plurality of the first projections that are contained in respectively in the first corresponding groove.

Preferably, this waterproof case also comprises at least one fixture, and this at least one fixture surrounds the sealing circle, so that the sealing circle is folded between this fixture and this upper side wall and this lower wall.

Preferably, this waterproof case comprise two roughly take the shape of the letter U and mutually the card and fixture.

Preferably, this antetheca and rear wall offer the second groove along the bearing of trend of this storage tank respectively, and this at least one fixture is outward extended with towards the surface of this antetheca and rear wall the second projection that is fastened in this second groove.

Preferably, the sealing circle is made by elastomeric material.

Preferably, the sealing circle is made by foam glue.

With respect to existing technology, sealing ring in the utility model is the joint that, lower wall supreme by the fitting tightly outside seals this top and bottom sidewall, and therefore, its water resistance is lower to the required precision of fore shell, back cover and rubber ring, thereby it is low to enhance productivity, and reduces production costs.

Description of drawings

Fig. 1 is the structural representation of the waterproof case of the utility model the first execution mode.

Fig. 2 is the decomposing schematic representation of the waterproof case of Fig. 1.

Fig. 3 is the part cross-sectional schematic of the waterproof case of Fig. 1.

Fig. 4 is the decomposing schematic representation of the waterproof case of the utility model the second execution mode.

Fig. 5 is the part cross-sectional schematic of the waterproof case of Fig. 4.

Fig. 6 is the floor map of fixture of the waterproof case of another execution mode of the utility model.

Fig. 7 is the part cross-sectional schematic of the waterproof case of the another execution mode of the utility model.

The realization of the utility model purpose, functional characteristics and advantage are described further with reference to accompanying drawing in connection with embodiment.

Embodiment

Should be appreciated that specific embodiment described herein only in order to explaining the utility model, and be not used in restriction the utility model.

Waterproof case of the present utility model can be the shell of the electronic installations such as mobile phone, camera, in following execution mode, introduces this waterproof case as an example of mobile phone example.Please refer to Fig. 1 to Fig. 3, the waterproof case 100 of the utility model the first execution mode comprises fore shell 10, back cover 20 and sealing ring 30.Fore shell 10 comprises antetheca 12 and from the vertically extending upper side wall 14 of antetheca 12.Have certain spacing between the edge of upper side wall 14 and antetheca 12, and upper side wall 14 has the first surface 16 towards back cover.Back cover 20 comprises rear wall 22 and from the vertically extending lower wall 24 of rear wall 22.Also have certain spacing between the edge of lower wall 24 and rear wall 22, and have towards fore shell 10 and the second surface 26 corresponding with first surface 16.Fore shell 10 and back cover 20 are by offering buckle structure (not shown) thereon or realizing interfixing by screw, and so, fore shell 10 and back cover 20 are bonded to each other towards each other first surface 16 and second surface 26 places at upper side wall 14 and lower wall 24.At this moment, the common storage tank 102 that forms of antetheca 12, rear wall 22, upper side wall 14 and lower wall 24.Sealing ring 30 is contained in storage tank 102, fits tightly with upper side wall 14 and lower wall 24 outside towards the space outerpace of shell 100, and such as adhesive is realized fitting tightly, thus the joint of sealing upper side wall 14 and lower wall 24.The joints that seal this top and bottom sidewall to upper side wall 14 and lower wall 24 by fitting tightly due to sealing ring 30, therefore, its water resistance is lower to the required precision of fore shell 10, back cover 20 and rubber ring 30, thereby it is low to enhance productivity, and reduces production costs.

Be appreciated that in above-mentioned execution mode, storage tank 102 offer the effect of playing positioning seal ring 30.Yet be appreciated that storage tank 102 also can arrange, this moment is when sealing ring being fixed to upper side wall 14 and lower wall 24 also can play the effect of fixed seal ring 30 by adhesive.

Preferably, sealing ring 30 has elasticity and is in the state of being stretched, such as, sealing ring 30 is a rubber ring that is stretched.So, the elastic force that is in the sealing ring 30 of the state of being stretched can further make sealing ring 30 and upper side wall 14 and lower wall 24 fit tightly.Be appreciated that this moment, sealing ring 30 also can arrange adhesive with upper side wall 14 and lower wall 24.Simultaneously, in assembling process, sealing ring 30 directly can be sheathed with on upper side wall 14 and lower wall 24 and get final product, effectively improve production efficiency.Yet, being appreciated that sealing ring can be also the foam glue that affixes to upper side wall 14 and lower wall 24, foam glue can be designed to strip, can reach sealing fully by sticking on foam glue at the place, gap that it is end-to-end during assembling.

Please index map 4 to Fig. 5, the difference of the waterproof case 200 of another execution mode of the utility model and the waterproof case 100 of the first execution mode is, waterproof case 200 also comprises two fixtures 40 that roughly take the shape of the letter U, these two fixtures 40 surround sealing ring 30 and engaging mutually, so that sealing ring 30 is folded between fixture 40 and upper side wall 14 and lower wall 24.So, sealing ring 30 can be effectively protected, also decoration function can be played simultaneously.Yet be appreciated that, fixture 40 also is not limited to two, such as, a fixture is as shown in Figure 6 only arranged, this fixture 50 roughly is and has the square and elastically deformable of section, pull open (shown in dotted line) from this section part during assembling, this fixture 50 also is sheathed with water proof ring with it, then goes out to engage this fixture at section.

Preferably, please index map 7, waterproof case 100 thereon on sidewall 14 and lower wall 14 respectively the bearing of trend along storage tank 102 offer at least one first groove 18, sealing ring 30 also comprises a plurality of the first projections 32 that are contained in respectively in the first corresponding groove 18.So, can effectively strengthen waterproof effect.

Preferably, waterproof case 100 offers the second groove 19 along the bearing of trend of storage tank 12 respectively in its antetheca 12 and rear wall 22, and this fixture 40 is outward extended with card towards the surface of antetheca 12 and rear wall 22 and the second projection 42 of 19 in the second groove.So, can play further the fixedly effect of fixture 40.

The above is only preferred embodiment of the present utility model; not thereby limit the scope of the claims of the present utility model; every equivalent structure or equivalent flow process conversion that utilizes the utility model specification and accompanying drawing content to do; or directly or indirectly be used in other relevant technical fields, all in like manner be included in scope of patent protection of the present utility model.

Claims

1. waterproof case, comprise fore shell and back cover, this fore shell comprises antetheca and upper side wall, this back cover comprises the rear wall that is oppositely arranged with this antetheca and the lower wall of fitting with this upper side wall, it is characterized in that, this waterproof case also comprises sealing ring, and the sealing circle fits tightly the outside to this upper side wall and lower wall to seal the joint of this upper side wall and lower wall.

2. waterproof case as claimed in claim 1, is characterized in that, the sealing circle has elasticity and is in the state of being stretched.

3. waterproof case as claimed in claim 1, it is characterized in that, this upper side wall and lower wall are extended and respectively and have certain spacing between the edge of this antetheca and rear wall, to form storage tank, the sealing circle is contained in this storage tank from this antetheca and rear wall are vertical respectively.

4. waterproof case as claimed in claim 3, is characterized in that, this upper side wall and lower wall offer at least one first groove along the bearing of trend of this storage tank respectively, and the sealing circle also comprises a plurality of the first projections that are contained in respectively in the first corresponding groove.

5. waterproof case as described in claim 2 to 4 any one, it is characterized in that, this waterproof case also comprises at least one fixture, and this at least one fixture surrounds the sealing circle, so that the sealing circle is folded between this fixture and this upper side wall and this lower wall.

6. waterproof case as claimed in claim 5, is characterized in that, this waterproof case comprise two roughly take the shape of the letter U and mutually the card and fixture.

7. waterproof case as claimed in claim 5, it is characterized in that, this antetheca and rear surface surface towards each other offers the second groove along the bearing of trend of this storage tank respectively, and this at least one fixture is outward extended with towards the surface of this antetheca and rear wall the second projection that is fastened in this second groove.

8. waterproof case as claimed in claim 1, is characterized in that, the sealing circle is made by elastomeric material.

9. waterproof case as claimed in claim 8, is characterized in that, the sealing circle is made by foam glue.