CN102374248A - Multiple torsion spring - Google Patents

Abstract

The invention relates to a multiple torsion spring formed by combining at least one elastic body possessing a spiral body. The multiple torsion spring is small in thickness and strong in elastic force, and can operate the spiral bodies separately, so that the durability of the multiple torsion spring is improved. The multiple torsion spring of the invention comprises at least one line-shaped elastic bodies of which one ends are wound with the other ends crosswise, and in which circular spiral bodies are arranged between one ends an the other ends. The diameters of the spiral bodies of the elastic bodies are different with each other, the elastic bodies have a same circle center, and of which one ends are combined with the other ends separately.

Description

Multiple torque spring

Technical field

The present invention relates to a kind of multiple torque spring, relate in particular on a kind of mobile communication terminal that is installed in slide type, make it can on the open and close direction, carry out automatic or semi-automatic slip, and have the multiple torque spring of elastic force.

Background technique

Along with the accelerated development of mobile communication terminal, the terminal with various functions and design is thrown in widely on market, and the mobile communication terminal of slide type is widely used recently.

The terminal of this slide type is in the main body that is provided with button and be provided with between the slide mass of liquid crystal panel spring assembly is installed, and makes above-mentioned slide mass slide up and down and to open or closed along main body by the elastic force of spring assembly.

In addition, along with functions such as multi-media that mobile communication terminal possessed, image, radio and television strengthen day by day, also more and more to the requirement of display screen size in the mobile communication terminal.

Recently for mobile communication terminal is developed to miniaturization, with the thickness that reduces spring assembly as the emphasis of dealing with problems.

Fig. 1 is the structural drawing of spring assembly of technology in the past.

Shown in Fig. 1; The spring assembly of technology was by possessing the 1st curved part 31a, 33a in the past; And be connected the 1st curved part 31a, 33a is last; And the wire 31,33 of comparing the asymmetric serpentine shape of the 2nd more crooked curved part 31b, 33b with the 1st curved part 31a, 33a constitutes, and above-mentioned wire 31,33 is formed by a pair of interosculating.

But; The spring assembly of technology comprised the 1st curved part 31a, 33a and the 2nd curved part 31b, 33b in the past, and the curvature that it possessed is lower, caused its elasticity to reduce; And, exist because of problems such as strong impact are easily deformable because of single layer structure makes its poor durability.

Summary of the invention

The objective of the invention is to solve above-mentioned existing in prior technology problem; Has the multiple torque spring that spirochetal elastomer combines through providing by at least more than one; Reduce its thickness and increase its elastic force; And each heliconid of difference actuating, thus not only be easy to the adjustment dynamics, but also can improve durability.

It is following that the present invention solves the problems of the technologies described above the technological scheme of being taked: a kind of multiple torque spring is provided; Said multiple torque spring comprises: the elastomer of linear shape; A said elastomeric end and the other end intersect winding up and down, and have round-shaped heliconid between a said end and the said the other end; Reach said elastomer and formed by at least more than one, said each elastomeric spirochetal radius has nothing in common with each other, and has the same center of circle, and a said elastomeric end and the other end mutually combine respectively.

Said elastomer comprises: the 1st spring: an end and the other end intersect winding up and down, and have the 1st round-shaped heliconid between a said end and the said the other end; The 2nd spring: an end and the other end intersect winding up and down, and have less than said the 1st heliconid radius between a said end and the said the other end and be the 2nd round-shaped heliconid; The 3rd spring: an end and the other end intersect winding up and down, and have less than said the 2nd heliconid radius between a said end and the said the other end and be the 3rd round-shaped heliconid; Said the 1st heliconid, said the 2nd heliconid and said the 3rd heliconid form concentric circle on same plane, and are spaced apart.

One end of said the 3rd spring and the other end intersect up and down and twine more than 2 times, and have less than said the 3rd heliconid radius in the said the 3rd spirochetal inside and be the 4th round-shaped heliconid.

On the said the 1st a spirochetal end and the other end, along extending to form the 1st connecting end and the 2nd connecting end in the other direction; On the said the 2nd a spirochetal end and the other end, along extending to form the 3rd connecting end and the 4th connecting end in the other direction; On the said the 3rd a spirochetal end and the other end, along extending to form the 5th connecting end and the 6th connecting end in the other direction; Said the 1st connecting end, said the 3rd connecting end and the 5th connecting end and said the 1st heliconid, the 2nd heliconid and the 3rd a spirochetal end are positioned on the same plane; Said the 2nd connecting end, said the 4th connecting end and the 6th connecting end and said the 1st heliconid, the 2nd heliconid and the 3rd spirochetal the other end are positioned on the same plane; End at said the 1st connecting end of the said the 1st a spirochetal extreme direction, said the 3rd connecting end and said the 5th connecting end is spaced from each other setting, and along with extending to the said the other end, each said connecting end the closer to; End at said the 2nd connecting end of the said the 1st spirochetal the other end direction, said the 4th connecting end and said the 6th connecting end is spaced from each other setting, and along with extending to the said the other end, each said connecting end the closer to.

The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end forms round-shaped through solder bond.

Each is formed the other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end by round-shaped; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the through hole of above-below direction at the central part of said connected element.

The other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end is with respect to an end, and vertically complications form; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the button hole of opening in the side of said connected element.

The other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end is compared with an end; The width of its compre sion molding is big and thickness is little; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the button hole of opening in the side of said connected element.

The beneficial effect of multiple torque spring of the present invention is specific as follows.

Have spirochetal elastomer by at least more than one and constitute, each elastomeric heliconid has different radiuses, and is positioned on the concentric circle; Make the length of wire rod be in the longest state; But its thickness is contracted to minimum, and this just makes the spring attenuation, can increase its elasticity again.

Said the 1st heliconid, said the 2nd heliconid and said the 3rd heliconid form concentric circle and are spaced apart on same plane; At heliconid in compression or when upholding; Can prevent it interferes each other; And each heliconid of difference actuating, not only be easy to the adjustment dynamics, but also can improve durability.

The said the 3rd spirochetal inside has less than the 3rd heliconid radius, and is the 4th round-shaped heliconid, under the situation that the thickness of spring does not become, utilizes its volume inside, makes the length lengthening of wire rod and increases its elasticity.

The mutual laterally spaced setting of one end of one end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end; And extend to the other end more; Its more each other near, this just can dwindle the size of spring, simultaneously in compression or when upholding; Can make external force reach heliconid equably, be convenient to it and move.

The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end forms circular and solder bond respectively; When compression or extension, can make its external force load reach heliconid equably.

The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end is provided with the said connected element with through hole, and rivet capable of using etc. are installed on the mobile communication terminal expediently.

The other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end with respect to an end in vertical direction complications form, this makes said connected element difficult drop-off on said elastomer.

Be provided with the button hole of opening in the side of said connected element, make said spring be easy to be fixed on the mobile communication terminal.

The width that the other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end is attend institute's compre sion molding is big slightly; Its thinner thickness, thus can prevent that said connected element is easy to come off.

Description of drawings

Fig. 1 is the structural drawing of spring assembly of technology in the past;

Fig. 2 is the stereogram of the multiple torque spring of embodiment of the present invention 1;

Fig. 3 is the exploded perspective view of the multiple torque spring of embodiment of the present invention 1;

Fig. 4 a is the planimetric map of the multiple torque spring of embodiment of the present invention 1;

Fig. 4 b is the sectional view of the multiple torque spring of embodiment of the present invention 1;

Fig. 5 a is that the multiple torque spring of embodiment of the present invention 1 is installed in the operating process figure one on the mobile communication terminal;

Fig. 5 b is that the multiple torque spring of embodiment of the present invention 1 is installed in the operating process figure two on the mobile communication terminal;

Fig. 5 c is that the multiple torque spring of embodiment of the present invention 1 is installed in the operating process figure three on the mobile communication terminal;

Fig. 6 is the stereogram of the multiple torque spring of embodiment of the present invention 2;

Fig. 7 a is the planimetric map of the 3rd spring of embodiment of the present invention 2;

Fig. 7 b is the sectional view of the 3rd spring of embodiment of the present invention 2;

Fig. 8 a is the planimetric map of the multiple torque spring of embodiment of the present invention 3;

Fig. 8 b is the sectional view of the multiple torque spring of embodiment of the present invention 3;

Fig. 9 a is the planimetric map of the multiple torque spring of embodiment of the present invention 4;

Fig. 9 b is the sectional view of the multiple torque spring of embodiment of the present invention 4;

Figure 10 a is the planimetric map of the multiple torque spring of embodiment of the present invention 5;

Figure 10 b is the sectional view of the multiple torque spring of embodiment of the present invention 5.

Embodiment

Below in conjunction with accompanying drawing principle of the present invention and characteristic are described, institute gives an actual example and only is used to explain the present invention, is not to be used to limit scope of the present invention.

Mode of execution 1

Fig. 2 is the stereogram of the multiple torque spring of embodiment of the present invention 1; Fig. 3 is the exploded perspective view of the multiple torque spring of embodiment of the present invention 1; Fig. 4 a is the planimetric map of the multiple torque spring of embodiment of the present invention 1; Fig. 4 b is the sectional view of the A-A part of Fig. 4 a; Fig. 5 is that the multiple torque spring of embodiment of the present invention 1 is installed in the operating process figure on the mobile communication terminal.

Shown in Fig. 2 to Fig. 5, the multiple torque spring of embodiment of the present invention 1 comprises at least more than one elastomer 100.

Said elastomer 100 is to be that tetragonal line style forms by the cross section.

As above, said elastomer 100 is to be processed by the wire rod of thin wire and so on.

Further, said elastomer 100 is line styles that the cross section can be different shapes such as triangle, circle or pentagon.

In addition, an end of said elastomer 100 and the other end intersect winding up and down, and have round-shaped heliconid between an end and the other end.

Further, said elastomer 100 is made up of the 1st spring the 110, the 2nd spring 120 and the 3rd spring 130.

Shown in Fig. 3 and Fig. 4, said the 1st spring 110 is that the cross section is tetragonal line style, and one of which end and the other end intersect up and down and twine 1 time, and has the 1st round-shaped heliconid 111 between an end and the other end.

As above, the overlapped winding of the right ends of said the 1st spring 110, and in be formed centrally the 1st heliconid 111 of ring-type.

The inside of said the 1st heliconid 111 is the sky toroidal, and one of which end and the other end a bit intersect up and down at certain and build up 2 layers.

In addition, on the end and the other end of said the 1st heliconid 111, along extending to form the 1st connecting end 115 and the 2nd connecting end 116 in the other direction.Extend to the 1st connecting end 115, extend to the 2nd connecting end 116, the bearing of trend at said the 1st heliconid 111 two ends is opposite.

One end of one end of said the 1st connecting end 115 and said the 1st heliconid 111, promptly integrally formed below the left side, and forming projection with said the 1st heliconid 111 direction more and more far away.

And said the 1st connecting end 115 tilts to the central point direction of said the 1st heliconid 111.

Shown in Fig. 3, said the 1st connecting end 115 with said the 1st heliconid 111 direction more and more far away, just the left side tilts toward lower direction.

And the other end of said the 1st connecting end 115 promptly twines the circle that forms less than said the 1st heliconid 111 radiuses on the left-hand end.

One end of said the 2nd connecting end 116 and the other end of said the 1st heliconid 111, promptly integrally formed above the right side, and with the opposite direction of said the 1st connecting end 115, promptly form projection at right direction.

And said the 2nd connecting end 116 tilts to the central point direction of said the 1st heliconid 111.

Shown in Fig. 3, said the 2nd connecting end 116 with said the 1st heliconid 111 direction more and more far away, just the right side tilts toward lower direction.

And, twine the circle that forms less than said the 1st heliconid 111 radiuses on the right-hand end of said the 2nd connecting end 116.

To this, said the 2nd connecting end 116 and said the 1st connecting end 115 are to be that the center is symmetrical with said the 1st heliconid 111.

Shown in Fig. 3 and Fig. 4, said the 2nd spring 120 is that the cross section is dimetric line style, and one of which end and the other end intersect up and down and twine 1 time, and has the 2nd round-shaped heliconid 121 between an end and the other end.

The inside of said the 2nd heliconid 121 is the idle loop shape, and one of which end and the other end a bit intersect up and down at certain and build up 2 layers.

Said the 2nd heliconid 121 is positioned at the inside of said the 1st heliconid 111, and its radius is less than the radius of said the 1st heliconid 111, on same plane, forms concentric circle with said the 1st heliconid 111 and is spaced apart.

In addition, on the end and the other end of said the 2nd heliconid 121, along extending to form the 3rd connecting end 125 and the 4th connecting end 126 in the other direction.Extend to the 3rd connecting end 125, extend to the 4th connecting end 126 on the other end, the bearing of trend at said the 2nd heliconid 121 two ends is opposite.

One end of one end of said the 3rd connecting end 125 and said the 2nd heliconid 121, promptly integrally formed below the left side, and with an end of said the 1st connecting end 115 on same plane and be spaced apart.

And, the other end of said the 3rd connecting end 125 with said the 2nd heliconid 121 direction more and more far away, promptly form projection, and tilt to the left-hand end direction of said the 1st connecting end 115 in the left side.

In addition, said the 3rd connecting end 125 more past left directions extend, and are just more and more nearer with said the 1st connecting end 115.

In addition; The other end of said the 3rd connecting end 125; Promptly twine to form circle, and encase the left-hand end of the 1st connecting end 115 greater than the left-hand end radius of the 1st connecting end 115 in left-hand end, and with the left-hand end solder bond of said the 1st connecting end 115.

One end of said the 4th connecting end 126 and the other end of said the 1st heliconid 111, promptly integrally formed above the right side, and with an end of said the 3rd connecting end 125 on same plane and be spaced apart.

And the other end of said the 4th connecting end 126 is forming projection with said the 2nd heliconid 121 direction more and more far away, and tilts to the right-hand end direction of said the 2nd connecting end 116.

In addition, said the 4th connecting end 126 direction of turning right is more extended, and is just more and more nearer with said the 2nd connecting end 116.

And; The other end of said the 4th connecting end 126; Promptly twine to form circle, and encase the right-hand end of the 2nd connecting end 116 greater than the right-hand end radius of the 2nd connecting end 116 in left-hand end, and with the right-hand end solder bond of said the 2nd connecting end 116.

Shown in Fig. 3 and Fig. 4, said the 3rd spring 130 is that the cross section is dimetric line style, and one of which end and the other end intersect up and down and twine 1 time, and has the 3rd round-shaped heliconid 131 between an end and the other end.

The inside of said the 3rd heliconid 131 is the idle loop shape, and one of which end and the other end a bit intersect up and down at certain and build up 2 layers.

Said the 3rd heliconid 131 is positioned at the inside of said the 2nd heliconid 121, and its radius is less than the radius of said the 2nd heliconid 121, on same plane, forms concentric circle with said the 2nd heliconid 121 and is spaced apart.

In addition, on the end and the other end of said the 3rd heliconid 131, along extending to form the 5th connecting end 135 and the 6th connecting end 136 in the other direction.Extend to the 5th connecting end 135, extend to the 6th connecting end 136 on the other end, the bearing of trend at said the 3rd heliconid 131 two ends is opposite.

One end of one end of said the 5th connecting end 135 and said the 2nd heliconid 121, promptly integrally formed below the left side, and with an end of said the 3rd connecting end 125 on same plane and be spaced apart.

And, the other end of said the 5th connecting end 135 with said the 3rd heliconid 131 direction more and more far away, promptly form projection, and tilt to the left-hand end direction of said the 3rd connecting end 125 in the left side.

In addition, said the 5th connecting end 135 more past left directions extend, and are just more and more nearer with said the 3rd connecting end 125.

And the left-hand end of said the 5th connecting end 135 is twined the circle that forms greater than the left-hand end radius of the 3rd connecting end 125, and encases the left-hand end of the 3rd connecting end 125, and with the left-hand end solder bond of said the 3rd connecting end 125.

One end of said the 6th connecting end 136 and the other end of said the 3rd heliconid 121, promptly integrally formed above the right side, and with an end of said the 4th connecting end 126 on same plane and be spaced apart.

And the other end of said the 6th connecting end 136 is forming projection with said the 3rd heliconid 131 direction more and more far away, and tilts to the right-hand end direction of said the 4th connecting end 126.

In addition, said the 6th connecting end 136 direction of turning right is more extended, and is just more and more nearer with said the 4th connecting end 126.

And; The other end of said the 6th connecting end 136; Promptly twine to form circle, and encase the right-hand end of the 4th connecting end 126 greater than the right-hand end radius of the 4th connecting end 126 at right-hand end, and with the right-hand end solder bond of said the 4th connecting end 126.

Yet; The other end of said the 1st connecting end 115, said the 2nd connecting end 116, said the 3rd connecting end 125, said the 4th connecting end 126, said the 5th connecting end 135 and said the 6th connecting end 136 is with respect to an end; Vertically form warpage, but also forging forming.

To this; Said the 1st heliconid 111, said the 2nd heliconid 121 and said the 3rd heliconid 131 form concentric circle and are spaced apart on same plane; Make heliconid when compression or extension, prevent mutual interference, and each heliconid is moved respectively; Not only be easy to the adjustment dynamics, and can improve durability.

In addition; The mutual laterally spaced setting of one end of one end of said the 1st connecting end 115, said the 3rd connecting end 125 and said the 5th connecting end 135 and said the 2nd connecting end 116, said the 4th connecting end 126 and said the 6th connecting end 136, and extending to the other end more, make its more and more near and combine; This just can dwindle the size of spring; And shunk and when expanding, stress reaches heliconid equably, make its action smooth and easy flexibly.

In addition; The other end of the other end of said the 1st connecting end 115, said the 3rd connecting end 125 and said the 5th connecting end 135 and said the 2nd connecting end 116, said the 4th connecting end 126 and said the 6th connecting end 136 forms circular and solder bond respectively; When being shunk and expand; Make load reach heliconid equably, when making spring be fixed to mobile communication terminal, can improve combination force.

Course of action below in conjunction with 1 pair of multiple torque spring of embodiment of the present invention of said structure is described.

Fig. 5 a is the slide mass 92 according to mobile communication terminal, makes the main body 91 of mobile communication terminal present closed phase diagram; Fig. 5 b is half mobile status figure of the slide mass 92 of mobile communication terminal; Fig. 5 c is the slide mass 92 through the slip mobile communication terminal, makes the main body 91 of mobile communication terminal present the phase diagram of opening.

Shown in Fig. 5 a, said elastomer 100 diagonals are arranged on the main body 91 of said mobile communication terminal, and its left-hand end is fixed to the slide mass 92 of said mobile communication terminal, and its right-hand end is fixed on the main body 91 of said mobile communication terminal.

Shown in Fig. 5 b, when the slide mass of said mobile communication terminal 92 was slided to the right side, the left-hand end of the said elastomer 100 that then is connected with the slide mass 92 of said mobile communication terminal was mobile to the right and compress said heliconid.

At this moment, said the 1st heliconid 111, said the 2nd heliconid 121 and said the 3rd heliconid 131 is stressed evenly expands with identical ratio respectively, and mutual noninterference.

Shown in Fig. 5 c; The maximum compression control point of said elastomer 100 (Compression Kneepoint); Be that the left-hand end of said elastomer 100 is when surpassing the vertical line of right-hand end; Because said spirochetal elastic restoring force, the left-hand end of said elastomer 100 are slided to the right automatically, this just causes mobile communication terminal slide mass 92 also to slide automatically.

At this moment, the elastic force of said the 1st heliconid 111, said the 2nd heliconid 121 and said the 3rd heliconid 131 is concentrated to the right ends of said elastomer 100, and the elastic force of said elastomer 100 is increased.

As stated; Had by at least more than one that spirochetal elastomer 100 constitutes, the heliconid of each elastomer 100 has different radiuses and is positioned on the concentric circle, and the length that makes wire rod is in the longest state but makes its thickness be contracted to minimum; This just makes the spring attenuation; Can increase elastic force again, and prevent interfering with each other of each spring, make its action smooth and easy flexibly.

 

Mode of execution 2

Fig. 6 is the stereogram of the multiple torque spring of embodiment of the present invention 2; Fig. 7 a is the planimetric map of the 3rd spring of embodiment of the present invention 2; Fig. 7 b is the sectional view of the B-B part of Fig. 7 a.

The multiple torque spring of embodiment of the present invention 2 comprises at least more than one elastomer 200, and said elastomer 200 is made up of the 1st spring the 210, the 2nd spring 220 and the 3rd spring 230.

And said the 1st spring 210 is formed by the 1st heliconid the 211, the 1st connecting end 215 and the 2nd connecting end 216; Said the 2nd spring 220 is formed by the 2nd heliconid the 221, the 3rd connecting end 225 and the 4th connecting end 226; Said the 4th spring 230 is formed by the 3rd heliconid the 231, the 5th connecting end 235 and the 6th connecting end 236.

Mode of execution 2 of the present invention is compared with mode of execution 1, and except the 3rd spring 230, all the other same contents are disregarded so identical content omits.

Shown in Fig. 6 and Fig. 7; Said the 3rd spring 230 is that the cross section is dimetric line style; And one of which end and the other end intersect up and down and twine 2 times, and have the 3rd round-shaped heliconid 231 and the 4th heliconid 232 between an end and the other end.

According to circumstances, said the 3rd spring 230 can twine more than 2 times, so that form the heliconid more than 2.

The inside of said the 3rd heliconid 231 is the idle loop shape, and one of which end and the other end a bit intersect up and down at certain and build up 2 layers.

Said the 3rd heliconid 231 is positioned at the inside of said the 2nd heliconid 221, and its radius is less than the radius of said the 2nd heliconid 221, on same plane, forms concentric circle with said the 2nd heliconid 221 and is spaced apart.

Said the 4th heliconid 232 is positioned at the inside of said the 3rd heliconid 231, and its radius is less than the radius of said the 3rd heliconid 231.

Shown in Fig. 7 a, said the 4th heliconid 232 is positioned on the inner circumference of said the 3rd heliconid 231.

To this, the inside of said the 3rd heliconid 231 has the 4th round-shaped heliconid 232 less than the 3rd heliconid 231 radiuses, under the situation that the thickness of spring does not become, utilizes its volume inside, makes the length lengthening of wire rod and increases elastic force.

In addition, on the end and the other end of an end of said the 3rd heliconid 231, along extending to form the 5th connecting end 235 and the 6th connecting end 236 in the other direction.Extend to the 5th connecting end 235, extend to the 6th connecting end 236 on the other end, the bearing of trend at said the 3rd heliconid 231 two ends is opposite.

Said the 5th connecting end 235 and said the 6th connecting end 236 are identical with the 5th connecting end 135 and the 6th connecting end 136 of mode of execution 1, and the Therefore, omited is disregarded.

Mode of execution 3

Fig. 8 a is the planimetric map of the multiple torque spring of embodiment of the present invention 3; Fig. 8 b is the sectional view of the C-C part of Fig. 8 a.

Shown in Fig. 8, the multiple torque spring of mode of execution 3 of the present invention is made up of elastomer 300 and connected element 350.

Said elastomer 300 is made up of the 1st spring the 310, the 2nd spring 320 and the 3rd spring 330.

Said the 1st spring 310 comprises the 1st heliconid the 311, the 1st connecting end 315 and the 2nd connecting end 316; Said the 2nd spring 320 comprises the 2nd heliconid the 321, the 3rd connecting end 325 and the 4th connecting end 326; Said the 3rd spring 330 comprises the 3rd heliconid the 331, the 5th connecting end 335 and the 6th connecting end 336.

The said elastomer 300 of mode of execution 3 of the present invention is compared with mode of execution 1; The other end of said the 1st connecting end 315, said the 3rd connecting end 325 and said the 5th connecting end 335 and said the 2nd connecting end 316, said the 4th connecting end 326 and said the 6th connecting end 336 be solder bond not; And combine by said connected element 350; Because of identical, the Therefore, omited is disregarded for all the other contents.

Shown in Fig. 8 a, the right-hand end of the left-hand end of said the 1st connecting end 315, said the 3rd connecting end 325 and said the 5th connecting end 335 and said the 2nd connecting end 316, said the 4th connecting end 326 and said the 6th connecting end 336 is made up of round-shaped.

And the right-hand end of the left-hand end of said the 1st connecting end 315, said the 3rd connecting end 325 and said the 5th connecting end 335 and said the 2nd connecting end 316, said the 4th connecting end 326 and said the 6th connecting end 336 injection moulding respectively forms said connected element 350.

Shown in Fig. 8; Said connected element 350 is round-shaped; And encase the left-hand end of said the 1st connecting end 315, said the 3rd connecting end 325 and said the 5th connecting end 335 and the right-hand end of said the 2nd connecting end 316, said the 4th connecting end 326 and said the 6th connecting end 336 respectively, it is mutually combined.

And the central part of said connected element 350 is provided with the through hole 351 of above-below direction.

Said through hole 351 is circular, and said elastomer 300 inserts rivet or screw at it when being installed on the mobile communication terminal.

As above; The other end of the other end of said the 1st connecting end 315, said the 3rd connecting end 325 and said the 5th connecting end 335 and said the 2nd connecting end 316, said the 4th connecting end 326 and said the 6th connecting end 336 is provided with the said connected element 350 with through hole 351; Utilize rivet etc., be easy to be mounted on the mobile communication terminal.

Mode of execution 4

Fig. 9 a is the planimetric map of the multiple torque spring of embodiment of the present invention 4; Fig. 9 b is the sectional view of the D-D part of Fig. 9 a.

Shown in Fig. 9, the multiple torque spring of mode of execution 4 of the present invention is made up of elastomer 400 and connected element 450.

Said elastomer 400 is made up of the 1st spring the 410, the 2nd spring 420 and the 3rd spring 430.

And said the 1st spring 410 comprises the 1st heliconid the 411, the 1st connecting end 415 and the 2nd connecting end 416; Said the 2nd spring 420 comprises the 2nd heliconid the 421, the 3rd connecting end 425 and the 4th connecting end 426; Said the 3rd spring 430 comprises the 3rd heliconid the 431, the 5th connecting end 435 and the 6th connecting end 436.

The multiple torque spring of mode of execution 4 of the present invention is compared with mode of execution 1; The other end shape of said connected element 450 and said the 1st connecting end 415, said the 2nd connecting end 416, said the 3rd connecting end 425, said the 4th connecting end 426, said the 5th connecting end 435 and said the 6th connecting end 436 is different; Because of identical, the Therefore, omited is disregarded for all the other contents.

Shown in Fig. 9 a, the other end of the other end of said the 1st connecting end 415, said the 3rd connecting end 425 and said the 5th connecting end 435 and said the 2nd connecting end 416, said the 4th connecting end 426 and said the 6th connecting end 436 forms warpage with respect to an end in Vertical direction.

Shown in Fig. 9 a; The left-hand end of said the 1st connecting end 415, said the 3rd connecting end 425 and said the 5th connecting end 435 forms warpage vertically upward with respect to the left-hand end of said the 1st heliconid 411, said the 2nd heliconid 421 and said the 3rd heliconid 431, and the left-hand end of said the 2nd connecting end 416, said the 4th connecting end 426 and said the 6th connecting end 436 forms warpage vertically upward with respect to the right-hand end of said the 1st heliconid 411, said the 2nd heliconid 421 and said the 3rd heliconid 431.

The right-hand end of the left-hand end of said the 1st connecting end 415, said the 3rd connecting end 425 and said the 5th connecting end 435 and said the 2nd connecting end 416, said the 4th connecting end 426 and said the 6th connecting end 436 injection moulding respectively forms said connected element 450.

Said connected element 450 is tetragonal shape; And encase the left-hand end of said the 1st connecting end 415, said the 3rd connecting end 425 and said the 5th connecting end 435 and the right-hand end of said the 2nd connecting end 416, said the 4th connecting end 426 and said the 6th connecting end 436 respectively, it is mutually combined.

The side direction of said connected element 450 is provided with button hole 451.

The width of the lateral direction of said button hole 451 is less than the width of interior side direction, thereby when 451 li of said button holes insert rivet or screw etc., difficult drop-off.

As above; The other end of said the 1st connecting end 415, said the 2nd connecting end 416, said the 3rd connecting end 425, said the 4th connecting end 426, said the 5th connecting end 435 and said the 6th connecting end 436 forms warpage with respect to an end in Vertical direction, makes said connected element 450 difficult drop-off on said elastomer 400.

In addition, be provided with the button hole 451 of opening, make said spring be easy to be fixed on the mobile communication terminal in the side direction of said connected element 450.

According to circumstances, can use the connected element 450 of mode of execution 3 on the right-hand end of the left-hand end of said the 1st connecting end 415, said the 3rd connecting end 425 and said the 5th connecting end 435 and said the 2nd connecting end 416, said the 4th connecting end 426 and said the 6th connecting end 436.

Mode of execution 5

Figure 10 a is the planimetric map of the multiple torque spring of embodiment of the present invention 5; Figure 10 b is the sectional view of the E-E part of Figure 10 a.

Shown in figure 10, the multiple torque spring of mode of execution 5 of the present invention is made up of elastomer 500 and connected element 550.

Said elastomer 500 is made up of the 1st spring the 510, the 2nd spring 520 and the 3rd spring 530.

Said the 1st spring 510 comprises the 1st heliconid the 511, the 1st connecting end 515 and the 2nd connecting end 516; Said the 2nd spring 520 comprises the 2nd heliconid the 521, the 3rd connecting end 525 and the 4th connecting end 526; Said the 3rd spring 530 comprises the 3rd heliconid the 531, the 5th connecting end 535 and the 6th connecting end 536.

The multiple torque spring of mode of execution 5 of the present invention is compared with mode of execution 1; The other end shape of said connected element 550 and said the 1st connecting end 515, said the 2nd connecting end 516, said the 3rd connecting end 525, said the 4th connecting end 526, said the 5th connecting end 535 and said the 6th connecting end 536 is different; Because of identical, the Therefore, omited is disregarded for all the other contents.

Shown in Figure 10 a; During the other end compre sion molding of said the 1st connecting end 515, said the 2nd connecting end 516, said the 3rd connecting end 525, said the 4th connecting end 526, said the 5th connecting end 535 and said the 6th connecting end 536; Width is greater than the width of an end, and thinner thickness.

As above, the width that compresses of the left-hand end of said the 1st connecting end 515, said the 3rd connecting end 525 and said the 5th connecting end 535 is greater than the left-hand end width of said the 1st heliconid the 511, the 2nd heliconid 521 and said the 3rd heliconid 531; The width that right-hand end compressed of said the 2nd connecting end 516, said the 4th connecting end 526 and said the 6th connecting end 536 is greater than the right-hand end width of said the 1st heliconid 511, said the 2nd heliconid 521 and the 3rd heliconid 531.

As above, be respectively equipped with said connected element 550 on the right-hand end of the left-hand end of said the 1st connecting end 515, said the 3rd connecting end 525 and said the 5th connecting end 535 and said the 2nd connecting end 516, said the 4th connecting end 526 and said the 6th connecting end 536.

In addition, on said connected element 550, be provided with the button hole 551 of opening, make said spring be easy to be fixed on the mobile communication terminal.

Said connected element 550 is identical with the connected element 450 of mode of execution 4, and the Therefore, omited is disregarded.

According to circumstances, can use the connected element 350 of mode of execution 3 on the right-hand end of the left-hand end of said the 1st connecting end 515, said the 3rd connecting end 525 and said the 5th connecting end 535 and said the 2nd connecting end 516, said the 4th connecting end 526 and said the 6th connecting end 536.

As above; The width that the other end of said the 1st connecting end 515, said the 2nd connecting end 516, said the 3rd connecting end 525, said the 4th connecting end 526, said the 5th connecting end 535 and said the 6th connecting end 536 is attend institute's compre sion molding is big slightly; Its thickness attenuation, thus the problem that said connected element 550 is easy to come off prevented.

The above is merely preferred embodiment of the present invention, and is in order to restriction the present invention, not all within spirit of the present invention and principle, any modification of being done, is equal to replacement, improvement etc., all should be included within protection scope of the present invention.

Claims (8)

1. a multiple torque spring is characterized in that, said multiple torque spring comprises: the elastomer of linear shape, a said elastomeric end and the other end intersect winding up and down, and have round-shaped heliconid between a said end and the said the other end; And

Said elastomer is formed by at least more than one, and said each elastomeric spirochetal radius has nothing in common with each other, and has the same center of circle, and a said elastomeric end and the other end mutually combine respectively.

2. according to the described multiple torque spring of claim 1, it is characterized in that said elastomer comprises:

The 1st spring: an end and the other end intersect winding up and down, and have the 1st round-shaped heliconid between a said end and the said the other end;

The 2nd spring: an end and the other end intersect winding up and down, and have less than said the 1st heliconid radius between a said end and the said the other end and be the 2nd round-shaped heliconid;

The 3rd spring: an end and the other end intersect winding up and down, and have less than said the 2nd heliconid radius between a said end and the said the other end and be the 3rd round-shaped heliconid;

Said the 1st heliconid, said the 2nd heliconid and said the 3rd heliconid form concentric circle on same plane, and are spaced apart.

3. according to the described multiple torque spring of claim 2; It is characterized in that; One end of said the 3rd spring and the other end intersect up and down and twine more than 2 times, and have less than said the 3rd heliconid radius in the said the 3rd spirochetal inside and be the 4th round-shaped heliconid.

4. according to claim 2 and 3 described multiple torque springs, it is characterized in that, on the said the 1st a spirochetal end and the other end, along extending to form the 1st connecting end and the 2nd connecting end in the other direction; On the said the 2nd a spirochetal end and the other end, along extending to form the 3rd connecting end and the 4th connecting end in the other direction; On the said the 3rd a spirochetal end and the other end, along extending to form the 5th connecting end and the 6th connecting end in the other direction; Said the 1st connecting end, said the 3rd connecting end and the 5th connecting end and said the 1st heliconid, the 2nd heliconid and the 3rd a spirochetal end are positioned on the same plane; Said the 2nd connecting end, said the 4th connecting end and the 6th connecting end and said the 1st heliconid, the 2nd heliconid and the 3rd spirochetal the other end are positioned on the same plane; End at said the 1st connecting end of the said the 1st a spirochetal extreme direction, said the 3rd connecting end and said the 5th connecting end is spaced from each other setting, and along with extending to the said the other end, each said connecting end the closer to; End at said the 2nd connecting end of the said the 1st spirochetal the other end direction, said the 4th connecting end and said the 6th connecting end is spaced from each other setting, and along with extending to the said the other end, each said connecting end the closer to.

5. multiple torque spring according to claim 4; It is characterized in that the other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end forms round-shaped through solder bond.

6. multiple torque spring according to claim 4; It is characterized in that; Each is formed the other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end by round-shaped; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the through hole of above-below direction at the central part of said connected element.

7. multiple torque spring according to claim 4; It is characterized in that; The other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end is with respect to an end, and vertically complications form; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the button hole of opening in the side of said connected element.

8. multiple torque spring according to claim 4; It is characterized in that; The other end of said the 1st connecting end, said the 2nd connecting end, said the 3rd connecting end, said the 4th connecting end, said the 5th connecting end and said the 6th connecting end is compared with an end; The width of its compre sion molding is big and thickness is little; The other end of the other end of said the 1st connecting end, said the 3rd connecting end and said the 5th connecting end and said the 2nd connecting end, said the 4th connecting end and said the 6th connecting end injection moulding respectively forms connected element, and is provided with the button hole of opening in the side of said connected element.

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