CN1075788A - Flashlight - Google Patents

Abstract

The present invention is a kind of flashlight, and it comprises a shell that is used to hold bulb, battery and switch, and above-mentioned bulb, battery and switch constitute the workpiece of flashlight together.Described shell is strong, whole parts that constitute, and the part of its close at least bulb is transparent or translucent.Lid be contained in shell above.Described lid also is the parts that integral body constitutes, and has the soft zone that can push, so that contact and start cased switch.Whole flashlight assembles according to the mode of waterproof.

Description

Flashlight

The present invention relates to a kind of flashlight, relate to a kind of waterproof flashlight or rather.

Under the wet weather situation, the out using flashlight often is necessary.Thereby people advise providing a kind of waterproof flashlight always.Yet in view of the difficulty of the flashlight of producing a kind of complete waterproof, the price of this flashlight is quite expensive.

The present invention will provide a kind of simple in structure, thus low-cost waterproof flashlight.

According to flashlight provided by the invention, it comprises the shell and the lid that is installed on the shell that are used to hold bulb, battery and switch.Above-mentioned bulb, battery and switch constitute the workpiece of flashlight together, and described shell is a strong integrated member, and the part of its close at least bulb is transparent or translucent.Described lid also is an integrated member, and has the soft zone that can push, so that contact and start cased switch.Whole flashlight is a waterproof.

Described lid is best for good and all to be installed on the shell.

Usually, utilize the supersonic welding connection technology that described lid is installed on the shell.

Favourable scheme is that described shell is made by transparent plastic material.

Described lid is best to be made by the soft plastic material.

The switch that torch wound packages of the present invention is used to prevent to comprise is in the enclosure in addition opened by mistake the device that opens.

The above-mentioned device that prevents that switch from being opened by mistake to be opened includes one and is covering the parts of formation, these parts are used for the described part of lid is at least remained on the preposition, so that described switch only could be opened when pressure is applied to the soft zone of described lid partly.

The outer surface of described lid can be three-dimensional embossing pattern.

In order more easily to understand the present invention, so that further understand feature of the present invention, present invention is described by example below in conjunction with accompanying drawing.

Fig. 1 shows the decomposition diagram according to the critical piece of flashlight of the present invention.

Fig. 2 is the cutaway view of the flashlight shell of Fig. 1, and it shows the optional feature that is positioned at the flashlight original position;

Fig. 3 is the phantom of flashlight, and it shows the shell of flashlight and the annexation between the lid;

Fig. 4 is the cutaway view of a complete flashlight that assembles.

Referring to accompanying drawing 1, according to flashlight of the present invention, it comprises that a shell 1 that holds battery 2, bulb 3, electric contact piece 4,5 and 6 and one are designed for and is installed in above the shell 1 and makes its airtight lid 7.

Shell 1 is an integrally formed strong plastic components, it is contemplated that this shell will make with the transparent plastic material injection moulding.Shell 1 is box structure substantially, and it has a base 8, and this base 8 has the vertical wall 9 that extends around it.In plane, shell 1 is rectangular substantially, and it has two relative parallel side walls 9, vertically extending end wall 10 and the second arc end wall 11 between two side 9. Wall 9,10 and 11 has a top edge 12, is used for placing covering 7.

As mentioned above, shell 1 is used to place battery 2, bulb 3 and electric contact piece 4,5 and 6.For this purpose, the inside of this shell defines two arcuate slots 13 that be arranged side by side, extend beyond about 2/3 length of shell from end wall 10.Each groove 13 all is made into the size of the battery that can hold common size.Two grooves 13 are separated by midfeather 14, and an end and the end wall 10 of midfeather 14 separate a bit, and the interval between end wall 10 and the midfeather 14 that groove 13 is separated is used to hold electric contact piece 6.This contact chip is made of the elastic sheet metal of a bending.Contact chip 6 is crooked in such a way, promptly this contact chip has a centre 15 that is contained in tightly between end wall 10 and the wall 14, with two side members of protruding forward 16, sideway stance is used for the just refined of the battery that is contained in a groove 13 and the negative pole or its shell that are contained in the battery in another groove 13 are coupled together.

End face away from the wall 10 of shell utilizes a vertical wall 17 that two grooves 13 are blocked, and wall 17 extends between two relative walls 9 of shell 1.The top edge of wall 17 is in identical height with the top edge 12 of each wall of shell 1.The upper area of wall 17 is provided with four recesses 18, and they extend downwards from the top edge of this wall, and two recesses wherein and the end face of each groove 13 are provided with in line, make the top of wall 17 present the castle shape.

Another vertical wall 19 extends between two walls 9 of shell 1, be positioned at arc end wall 11 spaced positions from each other on.Wall 19 is provided with a circular hole 20 with certain size, is used to hold the part of the glass bulb of bulb 3, as clearly visible in accompanying drawing 2.As wall 17, wall 19 extends to the height of top edge 12 of each wall of shell 1.Two other walls 21 are loaded into shell 1, and they extend parallel to each other between wall 17 and wall 19.The aspect ratio wall 17,19 of wall 21 is low, and separates enough distances are arranged, so that support the main body of bulb 3, makes the part of the ripple shell of bulb enter circular hole 20.

At the recess 18 that the top edge of wall 17 forms, be used to hold 6 similar with contact chip, also be the contact chip made from the elastic metallic bending 4 and 5.Contact chip 4 and 5 all has a part identical shaped with contact chip 6, and promptly each contact chip 4,5 all is provided with a recessed mid portion 22 and a pair of lateral parts 23 that protrudes forward.In addition, contact chip 4 is equipped with an arm 24 that protrudes forward on its lateral parts 23, and contact chip 5 is equipped with an arm 25 that upwards also extends forward on its lateral parts 23.Contact chip 4,5 is installed on the wall 17, recessed mid portion 22 be in wall 17 in the face of a side of groove 13, so that the recessed mid portion 22 of each contact chip 4,5 can contact with the negative or positive electrode of battery in being contained in each groove 13.The arm 24 that contact chip 4 protrudes forward extends forward, and when bulb 3 is installed on the wall 21, and the part of its ripple shell is when stretching into circular hole 20, so that be connected with tail end on the base of bulb 3.The end that the elasticity of making contact chip 4 materials is used to keep bulb to be in and makes its ripple shell is positioned at the position of circular hole 20.Being positioned at and the contiguous but discontiguous position of a side of its second tail end of formation of bulb 3 with the free end of upwardly extending arm 25 forward of contact chip 5.The free end of arm 25 can be moved with bulb and be connected, so that constitute a complete circuit and light bulb, just as will be discussed below.

Lid 7 is made by soft relatively plastic material, makes the parts of an integral molded plastic.In plane, this lid is corresponding with the size and dimension of shell 1 certainly.As mentioned above, lid 7 is designed to be installed on the top edge 12 of wall of shell 1, and for this purpose, lid 7 has the little chimb 26 of a downward direction around it.See that as in accompanying drawing 3, knowing the lower limb of the chimb 26 around the top edge 12 of the wall of shell 1 and the lid 7 all has stepped construction, so that the assembling of flashlight.

The assembling of flashlight is according to mode as described above, and battery 2, bulb 3 and contact chip 4,5 and 6 are packed in the shell 1.Then, lid 7 is buckled on the top edge 12 of wall of shell, and carries out ultrasonic bonding in this position.When lid is fixed on the top edge of shell, a zone of the inboard of this lid 7 will just in time be in contact chip 5 on the contiguous position of upright arm 25, see as in accompanying drawing 44, knowing.This zone of lid identifies with label 27 in Fig. 4.

The arm 25 that to make contact chip 5 of exerting pressure on the zone 27 of lid moves with bulb shell and contact, thereby the connection circuit makes bulb 3 luminous.If shell 1 usefulness transparent plastic material is made, the light from bulb 3 will pass shell 1 so.Only being appreciated that needs shell 1 and bulb 3 close parts are made transparent or semitransparent, and the remainder of shell 1 is opaque basically.

The lid 7 of specific embodiment in the accompanying drawings, what its upper surface limited is the zoomorphism of a three-dimensional, however this is optional, can imagine, and the upper surface of this lid 7 also can design the cartoon figure and other can cause those compositions of children's interest.

Downside at lid provides a rib 28, it and battery 2 upward to surface engagement.Rib 28 be positioned at lid peak 29 below, and stride and cover horizontal expansion.It is to assist to prevent flashlight by accidental unlatching that above-mentioned rib is provided, because rib remains on and battery 2 position spaced lid, thereby has guaranteed that flashlight only can be unlocked when local pressure is applied on the zone 27.Zone 27 is soft enough, prepare against and connect pressure, and the arm 25 of mobile contact chip 5 contacts with bulb 3.

The ultrasonic bonding that is appreciated that outer casing upper cover has formed a kind of hermetic seal, so that make flashlight waterproof fully.In interchangeable scheme, also can use other technologies, in the mode of waterproof lid is installed on the shell 1, for example solvent welded or use hotmelt.Certainly, the various improvement that can do described embodiment all do not exceed scope of the present invention.

Claims (9)

1, a kind of flashlight, comprise a shell and a lid that is installed on this shell that holds bulb, battery and switch, described bulb, battery and switch constitute the workpiece of described flashlight together, described shell is a strong integrated member, the part of its close at least bulb is transparent or translucent, described lid also is the parts that an integral body constitutes, and has the soft zone that to push, so that contact also starts cased switch, whole flashlight is a waterproof.

2, according to the flashlight of claim 1, it is characterized in that described lid for good and all be contained in shell above.

3,, it is characterized in that described lid is contained on the shell by the supersonic welding connection technology according to the flashlight of claim 1.

4,, it is characterized in that described shell is to be made by transparent plastic material according to any one flashlight in the claim 1 to 3.

5,, it is characterized in that described lid made by a kind of soft plastic material according to any one flashlight in the claim 1 to 4.

6,, it is characterized in that described flashlight has the device that is used to prevent to be contained in the switch error starting in the described shell according to the flashlight of claim 5.

7, according to the flashlight of claim 6, it is characterized in that described device comprises one at the described parts that cover formation, described switch is used to make a part of covering at least to be in a preposition, so that only just can be activated when pressure is applied to the soft zone of described lid partly.

8, according to any one flashlight in the claim 1 to 7, the outer surface that it is characterized in that described lid is the embossing pattern of a three-dimensional.

9, a kind of substantially as described above, with reference to and flashlight as shown in drawings.

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