CN103161862B - Damping element and electronic device - Google Patents

Abstract

An electronic device includes a housing, a vibration source and a vibration-damping element. The vibration source is accommodated in the shell and provided with a combining part, and the combining part is provided with a first surface and a second surface which are opposite and a combining hole which is communicated with the first surface and the second surface. The shock-absorbing element is arranged between the vibration source and the shell and comprises a columnar body and a first bump unit. The columnar body is arranged on the shell and penetrates through the combining hole, and comprises a first disc part, a second disc part and a necking part connected with the first disc part and the second disc part, the first disc part and the second disc part are respectively provided with an annular inner end face, the necking part is provided with an outer peripheral face, and the annular inner end face and the outer peripheral face jointly define a groove for the columnar body to be clamped on the combining part. The first lug unit is convexly arranged on the annular inner end surface and is abutted against the first surface and the second surface of the combining part.

Description

Damping elements and electronics

technical field

The invention relates to a shock absorbing element, in particular to a shock absorbing element suitable for suppressing vibration transmission generated by electronic components. The invention also relates to an electronic device with the shock absorbing element.

Background technique

Electronic components such as speakers and fans of general electronic devices are prone to vibration when they are in motion. In the past, the fixed structures of these electronic components were equipped with shock absorbing elements. The shock absorbing elements were used to absorb the electronic components such as speakers and fans when they were in motion The generated vibration prevents the generated vibration from being transmitted to other components and affects the operation of other components. At the same time, it can also reduce the noise generated by the vibration, such as disclosed in Taiwan's new patent No. M352229 "shock absorbing structure". The new patent No. M352229 discloses a shock-absorbing pad in the shape of an "I", which can be used to reduce the transmission of vibration generated by the fan to other components. The inventor of the present case thought that if a new shock-absorbing element can be developed, which can further suppress the vibration generated by the electronic component from being transmitted to other components, it will be able to more effectively prevent other components from being disturbed by the vibration.

Contents of the invention

The object of the present invention is to provide a shock absorbing element with better shock absorbing effect.

Another object of the present invention is to provide an electronic device having a shock-absorbing element with better shock-absorbing effect.

The shock absorbing element of the present invention is suitable for an electronic device, the electronic device includes a casing, and a vibration source accommodated in the casing, the vibration source has a joint portion, and the joint portion has an opposite first surface With a second surface and a combination hole communicating the first surface and the second surface, the damping element is arranged between the vibration source and the casing and includes a columnar body and a first protrusion unit. The columnar body is arranged on the housing and penetrates through the coupling hole. The columnar body includes a first plate portion, a second plate portion, and a constricted portion connecting the first plate portion and the second plate portion , the first disc portion and the second disc portion respectively have an annular inner end surface, the constricted portion has an outer peripheral surface, and the annular inner end surfaces and the outer peripheral surface jointly define a The groove of the junction. The first bump unit protrudes from the ring-shaped inner end surfaces and abuts against the first surface and the second surface of the joint portion.

Preferably, the casing includes a first casing portion, and a first coupling column protruding from the first casing portion, the first coupling column includes a column body, a column body connected to the column body and the The base between the first shell parts, and a plurality of spacer rings are arranged on the base and connected to the plate parts of the first shell part, and the plate parts extend along the radial direction of the column body. The main body has an inner peripheral surface, and the inner peripheral surface defines a perforation that runs through the first disc part, the second disc part and the constriction part and is used for the column body of the first coupling column to pass through, and the second disc part It also has an annular outer end surface opposite to its annular inner end surface, and the shock absorbing element also includes a protruding ring protruding from the annular outer end surface of the second plate portion. The abutting surface of the ring-shaped outer end surface of the disc portion, the protruding ring abuts against the abutting surfaces of the plate portions.

Preferably, the shock absorbing element further includes a second protrusion unit protruding from the inner peripheral surface of the columnar body, and the protrusion unit abuts against the column body of the first coupling column.

Preferably, the housing further includes a second housing part, and a second coupling column protruding from the second housing part, and the first disk part also has a ring opposite to its annular inner end surface. Shaped outer end surface, the shock absorbing element also includes a third protrusion unit protruding from the annular outer end surface of the first disk portion, and the second coupling column has a ring-shaped outer end surface facing the first disk portion. The ring-shaped end surface, the third protrusion unit abuts against the ring-shaped end surface of the second coupling post.

Preferably, the first protrusion unit includes a plurality of first protrusions arranged at intervals, and the first protrusions are elongated and extend along the radial direction of the annular inner end surfaces.

Preferably, the second protrusion unit includes a plurality of second protrusions arranged at intervals, and the second protrusions are elongated and extend along the length direction of the inner peripheral surface of the columnar body.

Preferably, the third protrusion unit includes a plurality of third protrusions arranged at intervals, and the third protrusions are elongated and extend along the radial direction of the annular outer end surface of the first disc portion.

Preferably, the shock absorbing element is made of elastic material.

Preferably, the damping element further includes another protruding ring protruding from the annular outer end surface of the first disc portion, and a fourth protrusion unit protruding from the annular outer end surface of the second disc portion The fourth protrusion unit includes a plurality of fourth protrusions arranged at intervals, and the fourth protrusions are elongated and extend along the radial direction of the annular outer end surface of the second disc portion.

The electronic device of the present invention includes a casing, a vibration source, and a shock absorbing element. The vibration source is accommodated in the casing and has a combination portion, the combination portion has a first surface and a second surface opposite to each other, and a combination hole communicating the first surface and the second surface. The damping element is arranged between the vibration source and the housing and includes a column body and a first bump unit. The columnar body is arranged on the casing and passes through the coupling hole, and includes a first disc portion, a second disc portion, and a constricted portion connecting the first disc portion and the second disc portion, the The first disc portion and the second disc portion respectively have an annular inner end surface, the constricted portion has an outer peripheral surface, and the annular inner end surfaces and the outer peripheral surface jointly define a joint portion for the columnar body to engage with. groove. The first bump unit protrudes from the ring-shaped inner end surfaces and abuts against the first surface and the second surface of the joint portion.

The beneficial effect of the present invention is that the contact area between the columnar body and the vibration source can be reduced by means of the first bump unit, the second bump unit, the third bump unit and the protruding ring protruding from the columnar body, thereby suppressing the vibration The vibration generated by the source is transmitted to other electronic components of the electronic device through the shock absorbing element and the casing.

Description of drawings

Fig. 1 is a three-dimensional exploded view of the first preferred embodiment of the electronic device of the present invention;

Fig. 2 is a perspective view of the damping element of the first preferred embodiment;

Fig. 3 is a perspective view of the damping element of the first preferred embodiment at another angle;

Fig. 4 is a perspective view of the first preferred embodiment of the damping element combined with the vibration source;

Fig. 5 is a perspective view of the first preferred embodiment of the shock absorbing element and the vibration source combined with the first housing part;

Fig. 6 is a partial sectional view of the first preferred embodiment, illustrating the connection relationship between the damping element and the first coupling column;

Fig. 7 is a perspective view of the assembled first preferred embodiment;

Fig. 8 is a partial sectional view of the first preferred embodiment, illustrating the connection relationship between the damping element and the second coupling column;

Figure 9 is an end view of a second preferred embodiment of the electronic device of the present invention; and

Fig. 10 is an end view from another angle of the second preferred embodiment.

Detailed ways

The present invention will be described in detail below in conjunction with the accompanying drawings and embodiments.

Referring to FIG. 1 is a first preferred embodiment of the electronic device of the present invention. The electronic device 100 includes a casing 1 , a vibration source 2 , and a shock absorbing element 3 . In this embodiment, the electronic device 100 is a display screen, and the vibration source 2 is a speaker. However, the electronic device 100 and its vibration source 2 are not limited to this embodiment, and the vibration source 2 can also be a fan or a hard disk. As an electronic component that generates vibrations, the electronic device 100 may also be a device such as a notebook computer or a desktop computer with a speaker, a fan, or a hard disk.

The housing 1 includes a first housing part 11 , a second housing part 12 , a first coupling post 13 , and a second coupling post 14 . The first casing part 11 and the second casing part 12 are respectively the front frame and the rear casing of the electronic device 100 in this embodiment. The first coupling column 13 protrudes from the inner surface of the first housing portion 11, and includes a tubular column body 131, a base portion 132 connected between the column body 131 and the first housing portion 11, and a plurality of spacers. The plate portion 133 is disposed around the base portion 132 and connected to the inner surface of the first casing portion 11 , and the plate portion 133 extends along the radial direction of the column body 131 . The plate portion 133 has an abutting surface 134 facing away from the inner surface of the first housing portion 11 . The plate portion 133 is used to increase the structural strength of the first coupling column 13 .

The second coupling post 14 protrudes from the inner surface of the second casing portion 12 and is opposite to the first coupling post 13 . The second coupling column 14 is tubular and has an annular end surface 141 facing the first coupling column 13 .

The vibration source 2 is accommodated in the casing 1 and has a joint portion 21. The joint portion 21 is a lug in this embodiment, which has a first surface 211 and a second surface 212 opposite to each other, and a first surface 211 communicating with the first surface. The bonding hole 213 between the surface 211 and the second surface 212 .

Referring to Fig. 2 and Fig. 3, the damping element 3 is used to be arranged between the vibration source 2 and the housing 1 (see Fig. 1) and includes a columnar body 31, a first bump unit 32, and a second bump unit 33 , a third bump unit 34 , a fourth bump unit 35 , a protruding ring 36 , and another protruding ring 37 . The cylindrical body 31 includes a first disc portion 311, a second disc portion 312, and a constriction connecting the first disc portion 311 and the second disc portion 312 and having an outer diameter smaller than that of the first disc portion 311 and the second disc portion 312 Section 313. The first disk portion 311 has an annular inner end surface 314 facing the second disk portion 312 , and an annular outer end surface 315 opposite to the annular inner end surface 314 and facing away from the second disk portion 312 . The second disk portion 312 has an annular inner end surface 316 facing the first disk portion 311 , and an annular outer end surface 317 opposite to the annular inner end surface 316 and facing away from the first disk portion 311 . The constricted portion 313 has an outer peripheral surface 318 . The annular inner end surfaces 314 , 316 and the outer peripheral surface 318 jointly define a groove 303 . The columnar body 31 has an inner peripheral surface 301 defining a through hole 302 passing through the first disc portion 311 , the second disc portion 312 and the constricted portion 313 .

The first protrusion unit 32 protrudes from the annular inner end surfaces 314 , 316 . The first bump unit 32 includes a plurality of first bumps 321 arranged at intervals. The first bumps 321 are elongated and extend along the radial direction of the annular inner end surfaces 314 , 316 . The second protrusion unit 33 protrudes from the inner peripheral surface 301 of the columnar body 31 and extends into the through hole 302 . The second bump unit 33 includes a plurality of second bumps 331 arranged at intervals. The second bumps 331 are elongated and extend along the length direction of the inner peripheral surface 301 of the columnar body 31 . The third protrusion unit 34 protrudes from the annular outer end surface 315 of the first disc portion 311 . The third protrusion unit 34 includes a plurality of third protrusions 341 arranged at intervals. The third protrusions 341 are elongated and extend along the radial direction of the annular outer end surface 315 of the first disc portion 311 . The fourth protrusion unit 35 protrudes from the annular outer end surface 317 of the second disc portion 312 . The fourth protrusion unit 35 includes a plurality of fourth protrusions 351 arranged at intervals. The fourth protrusions 351 are elongated and extend along the radial direction of the annular outer end surface 317 of the second disc portion 312 . The protruding ring 36 protrudes from the annular outer end surface 317 of the second disc portion 312 adjacent to the through hole 302 . The protruding ring 37 protrudes from the annular outer end surface 315 of the first disc portion 311 adjacent to the through hole 302 .

In this embodiment, the shock-absorbing element 3 is integrally made of elastic material, such as rubber or silicone.

Referring to Fig. 1 and Fig. 4, when assembling, the columnar body 31 of the shock absorbing element 3 is first passed through the coupling hole 213 of the coupling portion 21, and the columnar body 31 is engaged with the coupling portion 21 through the groove 303, so that The damping element 3 is combined with the vibration source 2 . Wherein, the first bump unit 32 of the shock absorbing element 3 abuts against the first surface 211 and the second surface 212 of the joint portion 21, thereby reducing the annular inner end surface 314 of the first disk portion 311 and the second disk portion 312, 316 and the contact area of the joint part 21 to achieve the effect of suppressing vibration transmission.

Referring to Fig. 5 and Fig. 6, then, the shock absorbing element 3 and the vibration source 2 are sleeved on the first coupling column 13 with the annular outer end surface 317 facing the first coupling column 13, so that the column body 131 of the first coupling column 13 The through hole 302 is formed in the columnar body 31 . Wherein, the protruding ring 36 of the damping element 3 abuts against the abutting surfaces 134 of the plate portions 133, so as to reduce the contact area between the annular outer end surface 317 of the second disk portion 312 and the first coupling post 13, so as to suppress the vibration transmission. As shown in FIG. 6 , the protruding ring 36 is only in contact with part of the abutting surface 134 and part of the base 132 , which can effectively reduce the contact area between the second disc part 312 and the first coupling post 13 . In addition, the second bumps 331 of the second bump unit 33 of the shock absorbing element 3 are in contact with the outer surface 135 of the column body 131, which can reduce the contact between the inner peripheral surface 301 of the column body 31 of the shock absorbing element 3 and the first bump. The contact area of the outer surface 135 of the column body 131 of the coupling column 13 is used to suppress vibration from being transmitted to the first coupling column 13 and the first housing portion 11 .

Referring to Fig. 7 and Fig. 8, finally, the second coupling post 14 and the second housing part 12 are combined with the first housing part 11 with its annular end surface 141 facing the annular outer end surface 315 of the first disk part 311, And the shock-absorbing element 3 is resisted by the second coupling column 14 to prevent the vibration-absorbing element 3 and the vibration source 2 from moving along the column body 131 of the first coupling column 13 (see FIG. 5 ). Wherein, the third bumps 341 of the third bump unit 34 of the shock absorbing element 3 abut against the annular end surface 141 of the second coupling column 14, which can reduce the contact between the annular outer end surface 315 and the annular end surface 141. area, so as to suppress the vibration from being transmitted to the second coupling column 14 and the second casing part 12 .

Referring to Fig. 2 and Fig. 3, it is added that the protruding ring 37 and the fourth lug unit 35 are used to make the two ends of the shock absorbing element 3 symmetrical to each other, so as to avoid the wrong assembly direction (annular outer end surface 315 faces The first shell part 11, the annular outer end surface 317 faces the second shell part 12 (see FIG. 1 )), so that the shock absorption effect cannot be improved.

Referring to FIG. 9 and FIG. 10 , it is a second preferred embodiment of the electronic device of the present invention. The second embodiment is similar to the first embodiment, except that the annular outer end surface 315 of the first disk portion 311 is only provided with the third protrusion unit 34, and the annular outer end surface 317 of the second disk portion 312 is only provided with the convex ring 36 , that is to say, the shock absorbing element 3 does not include the fourth protrusion unit 35 and the protruding ring 37 as shown in FIGS. 2 and 3 .

To sum up, the electronic device of the present invention reduces the contact area between the vibration source 2 and the shock absorbing element 3 by the first bump unit 32 of the shock absorbing element 3 , and uses the second bump unit 33 and the third bump unit 34 to reduce the contact area between the vibration source 2 and the shock absorbing element 3 . And the convex ring 36 reduces the contact area between the shell 1 and the shock absorbing element 3, thereby suppressing the vibration generated by the vibration source 2 from being transmitted to other electronic components of the electronic device 100 through the shock absorbing element 3 and the shell 1, so the present invention can indeed be achieved the goal of.

Claims (16)

1. A shock-absorbing element, suitable for an electronic device, the electronic device includes a casing, and a vibration source accommodated in the casing, the vibration source has a joint portion, and the joint portion has an opposite first A surface and a second surface, and a joint hole communicating the first surface and the second surface, the shock absorbing element is arranged between the vibration source and the housing; it is characterized in that: the shock absorbing element includes a cylindrical The main body and a first bump unit, the columnar body is arranged on the housing and pierced through the combining hole, the columnar body includes a first plate portion, a second plate portion, and a connecting plate portion and the first plate portion The constricted portion of the second disc portion, the first disc portion and the second disc portion respectively have an annular inner end surface, the constricted portion has an outer peripheral surface, and the annular inner end surface and the outer peripheral surface are jointly defined A groove for the columnar body to be engaged with the joint portion, the first protrusion unit protrudes from the annular inner end surface and abuts against the first surface and the second surface of the joint portion, and the housing includes a the first housing part, and a first coupling column protruding from the first housing part, the first coupling column includes a column body, a base connected between the column body and the first housing part, and a plurality of spacer rings are arranged on the base and connected to the plate portion of the first housing portion, the plate portion extends along the radial direction of the column body, the column body of the shock absorbing element has an inner peripheral surface, the inner The peripheral surface defines a perforation that runs through the first disc part, the second disc part and the constriction part and is used for the column body of the first coupling column to pass through. The second disc part also has a ring-shaped inner The ring-shaped outer end face of the end face, the shock absorbing element also includes a protruding ring protruding from the ring-shaped outer end face of the second disk portion, and the plate portion has a resisting surface facing the ring-shaped outer end face of the second disk portion The protruding ring abuts against the abutting surface of the plate portion. 2. The shock absorbing element according to claim 1, characterized in that: the shock absorbing element further comprises a second protrusion unit protruding from the inner peripheral surface of the cylindrical body, the second protrusion unit abuts against the The column body of the first binding column. 3. The shock absorbing element according to claim 2, wherein the housing further comprises a second housing part, and a second coupling column protruding from the second housing part, the first plate The portion also has an annular outer end surface opposite to its annular inner end surface, the shock absorbing element also includes a third protrusion unit protruding from the annular outer end surface of the first plate portion, and the second coupling column has A ring-shaped end face facing the ring-shaped outer end face of the first disc portion, the third protrusion unit abuts against the ring-shaped end face of the second coupling post. 4. The shock absorbing element according to claim 1, wherein the first bump unit comprises a plurality of first bumps arranged at intervals, and the first bumps are elongated and extend along the ring shape. The radial direction of the inner end surface extends. 5. The shock absorbing element according to claim 2, characterized in that: the second bump unit comprises a plurality of second bumps arranged at intervals, and the second bumps are elongated and run along the cylindrical body. The inner peripheral surface extends in the longitudinal direction. 6. The shock absorbing element according to claim 3, wherein the third protrusion unit comprises a plurality of third protrusions arranged at intervals, and the third protrusions are elongated and extend along the first disk. The radial direction of the annular outer end surface of the part extends. 7. The shock absorbing element according to claim 1, wherein the shock absorbing element is made of elastic material. 8. The shock absorbing element according to claim 3, characterized in that: said shock absorbing element further comprises another protruding ring protruding from the annular outer end surface of the first plate portion, and a protruding ring protruding from the annular outer end surface of the first plate portion. The fourth lug unit on the annular outer end surface of the second disk portion, the fourth lug unit includes a plurality of fourth lugs arranged at intervals, the fourth lugs are elongated and run along the second disk portion The radial direction of the annular outer end surface extends. 9. An electronic device; it is characterized in that: the electronic device comprises: a shell; A vibration source, accommodated in the casing and having a joint portion, the joint portion has a first surface and a second surface opposite to each other, and a joint hole communicating the first surface and the second surface; and A shock absorbing element is arranged between the vibration source and the housing and includes: A columnar body is arranged on the casing and penetrates through the combining hole, and includes a first disc portion, a second disc portion, and a constricted portion connecting the first disc portion and the second disc portion, The first disc portion and the second disc portion respectively have an annular inner end surface, and the constricted portion has an outer peripheral surface, and the annular inner end surface and the outer peripheral surface jointly define a joint for the cylindrical body to be engaged with. grooves in the part; and a first bump unit, protruding from the ring-shaped inner end surface and abutting against the first surface and the second surface of the joint portion, The casing includes a first casing part, and a first coupling column protruding from the first casing part, and the first coupling column includes a column body, a connecting column body and the first casing. The base portion between the parts, and a plurality of spacer rings are arranged on the base portion and connected to the plate portion of the first shell portion, the plate portion extends along the radial direction of the column body, and the column body of the shock absorbing element has an inner Peripheral surface, the inner peripheral surface defines a perforation through the first disc portion, the second disc portion and the constriction portion and for the column body of the first coupling column to pass through, and the second disc portion also has an opposite On the annular outer end surface of the annular inner end surface, the shock absorbing element also includes a protruding ring protruding from the annular outer end surface of the second disk portion, the plate portion has a ring facing the second disk portion The abutment surface of the shape outer end surface, the protruding ring is abutted against the abutment surface of the plate portion. 10. The electronic device according to claim 9, wherein the shock absorbing element further comprises a second protrusion unit protruding from the inner peripheral surface of the cylindrical body, and the second protrusion unit abuts against the first protrusion unit. A column body bound to the column. 11. The electronic device according to claim 10, wherein the housing further comprises a second housing portion, and a second coupling column protruding from the second housing portion, the first plate portion It also has an annular outer end surface opposite to its annular inner end surface. The shock absorbing element also includes a third protrusion unit protruding from the annular outer end surface of the first plate portion. The second coupling column has a Facing the annular end surface of the annular outer end surface of the first disc portion, the third protrusion unit abuts against the annular end surface of the second coupling post. 12. The electronic device according to claim 9, wherein the first bump unit comprises a plurality of first bumps arranged at intervals, and the first bumps are strip-shaped and extend along the ring-shaped inner The radial direction of the end face extends. 13. The electronic device according to claim 10, wherein the second bump unit comprises a plurality of second bumps arranged at intervals, and the second bumps are elongated and run along the inner side of the columnar body. The peripheral surface extends in the longitudinal direction. 14. The electronic device according to claim 11, wherein the third bump unit comprises a plurality of third bumps arranged at intervals, and the third bumps are elongated and extend along the first plate portion. The radial direction of the annular outer end surface extends. 15. The electronic device according to claim 9, wherein the shock absorbing element is made of elastic material. 16. The electronic device according to claim 11, wherein the shock absorbing element further comprises another protruding ring protruding from the annular outer end surface of the first disc, and a protruding ring protruding from the second disc. The fourth bump unit on the annular outer end surface of the part, the fourth bump unit includes a plurality of fourth bumps arranged at intervals, and the fourth bump is in the shape of a strip and along the ring shape of the second disk part. The radial direction of the outer end surface extends.