JP2009281513A - Shock absorbing structure and display device having the same - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a shock absorbing structure and a display device capable of reducing the transmission of vibration generated by a loudspeaker to a support via a shaft part from a shock absorbing body. <P>SOLUTION: The shock absorbing body 5 having a hole 5a fitted in the shaft part 23 of the support having the shaft part 23 and arranged between an installation object part 32 of the loudspeaker 3 and the shaft part 23, is divided into a first divided body 51 and a second divided body 52 separately arranged in the shaft length direction of the shaft part 23, and a noncontact recessed part 7 for reducing the mutual contact area is arranged between the hole 5a of the first divided body 51 ad the second divided body 52 and the shaft part 23, and is constituted so as to sandwich the installation object part 32 between outer peripheral parts of the first divided body 51 and the second divided body 52, to thereby reduce the transmission of the vibration transmitted to the shock absorbing body 5 from the installation object part 32 to the shaft part 23 from the shock absorbing body 5. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a buffer structure for buffering vibration generated by a device or vibration received by the device, and a display device capable of buffering vibration of a speaker by the buffer structure.

As a buffer structure for buffering vibrations generated by devices such as speakers and vibrations received by the devices, a plurality of shaft portions are provided inside the cabinet that covers the rear side of the display device body having a display surface on the front side. A hole to be fitted so that the peripheral surfaces come into contact with each other and a rubber shock absorber having an annular groove on the outer periphery thereof are held in the shaft portion, and a mounted portion to be closely fitted into the annular groove of the shock absorber is provided. Provided in the speaker, the speaker is supported by the buffer body by fitting the mounted portion into the annular groove, and the buffer body is fixed to the shaft portion by screwing a male screw to the shaft portion ( For example, see Patent Document 1).
JP 2004-187271 A

  By the way, the buffer only buffers the vibration of the device supported by the buffer, and the unbuffered vibration is transmitted from the buffer to the member holding the buffer. FIG. 11 is an explanatory diagram of the buffer structure described in Patent Document 1. FIG. In the buffer structure B, the peripheral surface of the shaft portion 100 and the peripheral surface of the hole 102 in the buffer body 101 are in full contact with each other. 103 is transmitted to the annular groove 105 of the buffer body 101 from the peripheral surface of the insertion hole 104 and both edges of the insertion hole 104, and transmitted to the shaft portion 100 from the entire peripheral surface of the hole 102 in the buffer body 101. Therefore, the vibration transmitted to the buffer body 101 is easily transmitted from the buffer body 101 to the shaft portion 100. Therefore, depending on the volume of the speaker (particularly low sound), the vibration transmitted to the buffer body 101 is transmitted from the shaft portion 100 to the cabinet 106, the cabinet 106 slightly vibrates, and the abnormal noise due to the minute vibration of the cabinet 106. (Hibbling noise) will occur, and improvement measures have been requested.

  The present invention has been made in view of such circumstances, and the main object is to have a hole that is fitted so that the peripheral surfaces come into contact with the shaft portion of the support body having the shaft portion, A non-contact area between the peripheral surface of the hole and the peripheral surface of the shaft portion in the buffer body disposed between the shaft portion and supporting the object to be supported by the support is reduced. A buffer structure that can reduce the vibration generated by the support from the buffer body to the support body through the shaft section by providing a contact recess and reducing the contact area with the shaft section of the buffer body. And providing a display device.

  The shock-absorbing structure according to the present invention has a hole that is fitted so that the peripheral surfaces are in contact with the shaft portion of the support body having the shaft portion, and is arranged between the supported object and the shaft portion, and In a buffer structure including a buffer for supporting a supported object on the support, at least one of the peripheral surface of the shaft portion and the peripheral surface of the hole has a non-contact concave portion that reduces a contact area with the other. It is characterized by.

  According to the present invention, since the contact area between the peripheral surface of the shaft portion and the peripheral surface of the hole in the buffer body is reduced, vibration transmitted from the buffer body to the shaft portion can be reduced, and the supported object can be reduced. Vibration can be reduced.

In the shock absorber structure according to the present invention, the shock absorber includes a first split body and a second split body that are spaced apart in the axial length direction of the shaft portion, and the first split body and the second split body. It is preferable that the supported object is arranged between the split bodies.
In the present invention, since the entire circumference around the shaft portion can be made into a non-contact recess, vibration transmitted from the buffer to the shaft portion can be further reduced, and the fine vibration of the supported object can be further reduced. it can.

In the buffer structure according to the present invention, it is preferable that the buffer body has a connection portion that integrally connects the first split body and the second split body within the non-contact recess.
In the present invention, since the first split body and the second split body can be formed integrally, the relative displacement between the first split body and the second split body can be prevented, and the first split The assembly workability of the body and the second split body can be improved.

Further, in the buffer structure according to the present invention, the hole of the buffer body has a larger diameter than the shaft portion, and at least one of the buffer body and the support body is in a direction orthogonal to the axis of the shaft portion with the other. It is preferable to have a configuration having a restricting portion for restricting the relative movement of.
In this invention, since the position shift with respect to the axial part of a buffer can be prevented, a buffer can be correctly arrange | positioned to an optimal site | part and a non-contact recessed part can be ensured.

Further, in the buffer structure according to the present invention, the holes of the first split body and the second split body have a larger diameter than the shaft portion, and the support body is in the direction perpendicular to the axis of the shaft portion of the first split body. A second restricting portion for restricting movement of the second split body, and the supported object includes a third restricting portion for restricting movement of the second split body in the direction perpendicular to the axis. Is preferred.
In this invention, since it is possible to prevent displacement of the first split body and the second split shaft relative to the shaft portion, the first split body and the second split body can be accurately arranged at the optimum site, A non-contact recessed part can be ensured.

Further, the display device according to the present invention includes a display unit having a display surface on the front side, a cabinet that covers the rear side of the display unit, and that constitutes the support, and is disposed in the cabinet, and the supported object And a buffer structure according to the above-described invention for buffering vibration of the speaker.
In this invention, since the contact area between the peripheral surface of the shaft portion and the peripheral surface of the hole in the buffer body is reduced, vibration transmitted from the buffer body to the shaft portion can be reduced, and the cabinet can be vibrated slightly. Can be reduced.

  According to the present invention, since the contact area between the peripheral surface of the shaft portion and the peripheral surface of the hole in the buffer body is reduced, vibration transmitted from the buffer body to the shaft portion can be reduced, and fine vibration of the supported object can be reduced. Can be reduced.

Hereinafter, the present invention will be described in detail with reference to the drawings illustrating embodiments thereof.
Embodiment 1
FIG. 1 is a perspective view showing a configuration of a display device according to the present invention, FIG. 2 is a longitudinal side view with a part omitted showing the configuration of the display device, and FIG. 3 is a front view showing the configuration of a speaker.

  The display device shown in the figure has a display surface 1a for displaying a television image on the front side, a display unit 1 having a substantially rectangular parallelepiped shape, a cabinet 2 covering the peripheral edge and the rear side of the display unit 1, and the cabinet 2 A thin type comprising two speakers 3 arranged on both sides in the lateral direction below the display unit 1, a buffer structure A for supporting the speakers 3 to the cabinet 2, and a stand 4 for supporting the display unit 1 in an upright state. LCD TV. In addition, the display part 1 and the cabinet 2 comprise the support body which supports the speaker 3 as a to-be-supported body.

  The display unit 1 includes a liquid crystal display panel 11 having a display surface 1a on the front side, and an optical sheet 12, a light source 13, and a television board such as a power supply board disposed on the rear side of the display panel 11. The light source 13 includes a plurality of lamps and a case that accommodates and supports the lamps.

  The cabinet 2 is made of a synthetic resin having a cabinet front part 21 that covers the outer periphery of the display panel 11 and the front side of the speaker 3, and a cabinet rear part 22 that covers the rear side of the light source 13 and the speaker 3. The peripheral portions of the front segment 21 and the cabinet rear segment 22 are attached to the case of the light source 13 by a plurality of male screws.

  The cabinet front body 21 has a ring plate portion 21a and a rectangular tube portion 21b extending rearward from the periphery of the ring plate portion 21a, and a speaker for supporting the speaker 3 below the ring plate portion 21a. A support portion 21c is provided.

  The speaker support portion 21 c is integrally provided with a plurality of cylindrical shaft portions 23 extending rearward so as to correspond to the outer peripheral portion of the speaker 3. The speaker support portion 21c is provided with a plurality of sound emission holes for outputting sound to the outside.

  A plurality of ribs 23a protrude from the base portion of the shaft portion 23 in the circumferential direction, and the end surfaces of the ribs 23a serve as receiving portions 23b.

  The cabinet rear body 22 has a deep dish shape.

  The speaker 3 holds the sound source for low sound, the sound source for middle / high sound, and the sound sources side by side, and the low sound generated by one sound source and the medium / high sound generated by the other sound source. And a holding case 31 having a sound output part that discharges the sound forward, and a peripheral part of the holding case 31 is supported by the shaft part 23 of the cabinet front body 21 by the buffer structure A. A plurality of attached portions 32 are integrally provided on the peripheral portion of the holding case 31. The attached portion 32 has a plate shape, and an insertion hole 33 having a diameter larger than that of the shaft portion 23 is formed in the attached portion 32.

  FIG. 4 is an enlarged cross-sectional view showing the buffer structure. The shock absorber structure A includes a shaft portion 23 of the cabinet front part 21, a rubber shock absorber 5 having a hole 5 a into which the shaft portion 23 is fitted, and a male screw 6 that fixes the shock absorber 5 to the shaft portion 23. With.

  The shock absorber 5 has a first split body 51 and a second split body 52 that are spaced apart in the axial length direction of the shaft portion 23, and the first split body 51 and the second split body 52 around the shaft portion 23. Between them, an annular non-contact concave portion 7 that reduces the contact area with the shaft portion 23 is provided.

  The first part 51 and the second part 52 have a disc shape having a hole 5 a having substantially the same diameter as the shaft part 23, and the attachment part 32 is provided between the outer peripheral parts of the first part 51 and the second part 52. Is attached, and the attached portion 32 is attached between the first split body 51 and the second split body 52 by screwing the male screw 6 into the shaft portion 23.

  The display device configured as described above is made of synthetic resin on the shaft portion 23 protruding from the speaker support portion 21c of the cabinet front segment 21 after the cabinet front segment 21 is attached to the display unit 1. The washer 8 and the first segment 51 are inserted and supported, and the shaft portion 23 is inserted into the insertion hole 33 of the attached portion 32 of the speaker 3, and then the second segment 52 and the washer 9 are inserted into the shaft portion 23. The speaker 3 can be elastically attached by screwing the male screw 6 made of a tapping screw into the hole of the shaft portion 23 in a state where the shaft 3 is supported by the shaft portion 23.

  FIG. 5 is a front view showing the configuration of the speaker mounting portion. The speaker 3 is attached to the cabinet front body 21 by a buffer structure disposed at four locations separated vertically and horizontally. The existing buffer structure B shown in FIG. 10 is arranged at the upper two places, and the buffer structure A according to the present invention shown in FIG. 4 is arranged at the lower two places. With such a configuration, the speaker 3 is suspended and supported by the two buffer structures B on the upper side, the positional deviation of the speaker 3 can be prevented, and the assembling workability of the speaker 3 can be improved. Further, the buffer structure A at the two lower positions can enhance the buffer effect of the buffer structure A, can reduce the slight vibration of the cabinet 2 due to the vibration generated by the speaker 3, and eliminate the generation of abnormal noise. be able to.

  Thus, in the buffer structure A for attaching the speaker 3, the buffer body 5 is divided into the first split body 51 and the second split body 52, and the holding case 31 is disposed between the outer peripheral portions of the first split body 51 and the second split body 52. The non-contact recessed part 7 is provided between the 1st division 51 and the 2nd division 52 around the axial part 23, and the contact area with the axial part 23 surrounding surface of the buffer body 5 is attached. Since the vibration generated by the speaker 3 is reduced, as shown by the arrows in FIG. 4, the first split 51 and the second split 52 are passed through the outer periphery of the first split 51 and the second split 52 from the attached portion 32. Since there is no vibration transmission from the non-contact recess 7 between the first body 51 and the second body 52 to the shaft portion 23 from the peripheral surface of the second body 52, the shaft from the buffer 5 The vibration transmitted to the part 23 can be reduced, and the fine vibration of the cabinet 2 including the cabinet front body 21 can be reduced.

Embodiment 2
FIG. 6 is a longitudinal sectional view showing another configuration of the buffer structure A. The buffer structure A is formed by integrally connecting the inner peripheral portions of the first split body 51 and the second split body 52 by a connecting portion 53 in the non-contact recess 7.

  The first body 51 and the second body 52 are spaced apart in the axial length direction of the shaft portion 23 by the length of the non-contact recess 7, and between the outer peripheral portions of the first body 51 and the second body 52. It is comprised so that the to-be-attached part 32 may be attached.

  The connecting portion 53 has a relatively thin cylindrical shape and connects the inner peripheral portions of the first split body 51 and the second split portion 52, and the outer peripheral surface of the connecting portion 53 and the insertion hole in the attached portion 32. A non-contact concave portion 7 is arranged between the peripheral surface of 33. Further, the connecting portion 53 is formed relatively thin so that there is almost no vibration transmission from the connecting portion 53 to the shaft portion 23.

  The attached portion 32 is provided with a slit for opening one side of the insertion hole 33 to the outside, and the connecting portion 53 of the shock absorber 5 can be inserted into the insertion hole 33 from the slit.

  In the display device including the buffer structure A, the connecting portion 53 of the buffer body 5 is inserted into the insertion hole 33 of the mounted portion 32 of the speaker 3, and the buffer body 5 is held in the mounted portion 32 in advance. And after the cabinet front part 21 is attached to the display part 1, the synthetic resin washer 8 and the buffer 5 are inserted and supported by the shaft part 23 protruding from the speaker support part 21c of the cabinet front part 21. Then, after supporting the buffer body 5 and the speaker 3 on the shaft portion 23, the washer 9 is fitted into the shaft portion 23, and the male screw 6 made of a tapping screw is screwed into the hole of the shaft portion 23, thereby Can be installed elastically.

The vibration generated by the speaker 3 passes through the outer periphery of the first split body 51 and the second split body 52 from the attached portion 32 as shown by arrows in FIG. Since the vibration is transmitted from the peripheral surface to the shaft portion 23 and hardly transmitted from the connecting portion 53 to the shaft portion 23, the vibration transmitted from the buffer 5 to the shaft portion 23 can be reduced, and the cabinet including the cabinet front part 21. 2 fine vibrations can be reduced.
Since other configurations and operations are the same as those of the first embodiment, the same components are denoted by the same reference numerals, and detailed description thereof and description of operations and effects are omitted.

Embodiment 3
FIG. 7 is a longitudinal sectional view showing another configuration of the buffer structure A. In this buffer structure A, instead of connecting the inner peripheral portions of the first split body 51 and the second split body 52 by the connecting portion 53, a midway between the inner and outer peripheral surfaces of the first split body 51 and the second split body 52. The parts are integrally connected by a connecting portion 54 to form one part.
Since other configurations and operations are the same as those of the first and second embodiments, the same components are denoted by the same reference numerals, and the detailed description and description of the operations and effects are omitted.

Embodiment 4
FIG. 8 is a longitudinal sectional view showing another configuration of the buffer structure A. In this buffer structure A, the hole 5a into which the shaft portion 23 is fitted and the hole 5a of the buffer body 5 having the annular groove 5b on the outer peripheral portion have a larger diameter than the shaft portion 23, and the peripheral surface of the shaft portion 23 and the buffer body 5 A non-contact concave portion 7 is provided between the first and second holes 5a, and the buffer body 5 is restricted to the receiving portion 23b of the shaft portion 23 in the radial direction of the shaft portion 23. The restriction part 20 is provided.

  The attached portion 32 is fitted into the annular groove 5 b of the buffer body 5, and the attached portion 32 is restricted from moving in the radial direction of the shaft portion 23.

  The 1st control part 20 controls that the buffer 5 moves to the radial direction of this axial part 23 with respect to the axial part 23, maintains the non-contact recessed part 7, and comprises the receiving part 23b. It is formed by providing a recess for receiving a part of the buffer body 5 on the shaft side of the plurality of ribs 23a.

  As described above, in the display device including the buffer structure A, after the cabinet front part 21 is attached to the display unit 1, the annular groove 5 b portion of the buffer body 5 is inserted into the insertion hole 33 of the attached part 32 of the speaker 3. Then, the buffer body 5 is held by the attached portion 32. The washer 5 is inserted into the shaft portion 23 projecting from the speaker support portion 21c of the cabinet front body 21, and the washer 5 is supported by the first restricting portion 20 in a state where the washer 5 is supported. 9 is inserted into the shaft portion 23, and the male screw 6 made of a tapping screw is screwed into the hole of the shaft portion 23, so that the buffer body 5 is attached between the receiving portion 23b and the washer 9, and the speaker 3 is made elastic. Can be installed on.

  In this way, the buffer structure A for mounting the speaker 3 has the non-contact recess 7 between the peripheral surface of the shaft portion 23 and the hole 5 a of the buffer body 5, so that the hole 5 a of the buffer body 5 contacts the shaft portion 23. Can be eliminated.

The vibration generated by the speaker 3 is transmitted from the mounted portion 32 to the shaft portion 23 via the buffer body 5 and the receiving portion 23b of the rib 23a as shown by an arrow in FIG. 8, and from the mounted portion 32 to the buffer body. 5 and the washer 9 and transmitted to the shaft portion 23, and no vibration is transmitted from the hole 5a of the buffer body 5 to the shaft portion 23. Therefore, vibration transmitted from the buffer body 5 to the shaft portion 23 can be reduced, and Fine vibrations of the cabinet 2 including the body 21 can be reduced.
Since other configurations and operations are the same as those in the first to third embodiments, the same components are denoted by the same reference numerals, and detailed descriptions and descriptions of the operations and effects are omitted.

Embodiment 5
FIG. 9 is a longitudinal sectional view showing another configuration of the buffer structure A. The buffer structure A is provided with a second restricting portion 24 for restricting the movement of the first split body 51 having a hole 5 a having a diameter larger than that of the shaft portion 23 at the receiving portion 23 b of the shaft portion 23. A third restricting portion 34 for restricting the movement of the second split body 52 having the large-diameter hole 5 a is provided in the mounted portion 32, and the first split portion 51 and the second split portion 52 around the shaft portion 23 are provided. A non-contact recess 7 is provided therebetween, and a second non-contact recess 7 a is provided between the peripheral surface of the shaft portion 23 and the holes 5 a of the first split body 51 and the second split body 52.

  The first body 51 and the second body 52 are spaced apart in the axial length direction of the shaft portion 23 by the length of the non-contact recess 7, and between the outer peripheral portions of the first body 51 and the second body 52. It is comprised so that the to-be-attached part 32 may be attached.

  The second and third restricting portions 24 and 34 restrict the first split body 51 and the second split body 52 from moving in the radial direction of the shaft portion 23 with respect to the shaft portion 23, and the second non-contact. The second restricting portion 24 maintains the recess 7a, and the second restricting portion 24 is provided with a recess that receives a part of the first split body 51 on the shaft portion side of the plurality of ribs 23a constituting the receiving portion 23b. Is formed. The third restricting portion 34 is formed by providing a recess for receiving a part of the second split body 52 around the insertion hole 33 on one surface of the attached portion 32.

  As described above, the display device having the buffer structure A includes the shaft portion 23 protruding from the speaker support portion 21c of the cabinet front body 21 after the cabinet front body 21 is attached to the display unit 1. The first part 51 is inserted into the first part 51, the first part 51 is supported by the second restricting part 24, and the shaft part 23 is inserted into the insertion hole 33 of the attached part 32 in the speaker 3. The body 52 and the washer 9 are fitted into the shaft portion 23, and the male screw 6 made of a tapping screw is screwed into the hole of the shaft portion 23 in a state where the second divided body 52 is supported by the third restricting portion 34. The first segment 51, the mounted portion 32, and the second segment 52 are attached between the receiving portion 23b and the washer 9, and the speaker 3 can be elastically attached.

  Thus, the buffer structure A for attaching the speaker 3 has the non-contact recess 7 between the first split body 51 and the second split body 52 around the shaft portion 23, and the peripheral surface of the shaft portion 23 and the first split body. 51 and the second non-contact recess 7 a between the second split body 52 and the hole 5 a of the second split body 52, it is possible to prevent the hole 5 a of the buffer body 5 from contacting the shaft portion 23.

The vibration generated by the speaker 3 is transmitted from the mounted portion 32 to the shaft portion 23 through the first split body 51 and the receiving portion 23b of the rib 23a as indicated by an arrow in FIG. Since the vibration is transmitted from the hole 5a of the buffer 5 to the shaft 23 through the second split member 52 and the washer 9, there is no vibration transmitted from the buffer 5 to the shaft 23. Moreover, the fine vibration of the cabinet 2 including the cabinet front body 21 can be reduced.
Since other configurations and operations are the same as those of the first to fourth embodiments, the same components are denoted by the same reference numerals, and the detailed description and description of the operations and effects are omitted.

Embodiment 6
FIG. 10 is a longitudinal sectional view of the shaft portion in the direction perpendicular to the axis showing another configuration of the buffer structure A. FIG. In this buffer structure A, instead of making the hole 5a of the buffer body 5 larger in diameter than the shaft portion 23, a flat surface 23c is provided on the peripheral surface of the shaft portion 23, and the flat surface 23c and the peripheral surface of the hole 5a are provided. The gap is a non-contact recess 7.
Since other configurations and operations are the same as those in the first to fifth embodiments, the same components are denoted by the same reference numerals, and detailed description thereof and description of the operations and effects are omitted.

  In the above-described embodiment, the buffer structure A for buffering the vibration generated by the speaker 3 as the supported object has been described. In addition, the buffer structure A according to the present invention is, for example, the case of the display unit 1. The vibration generated by the cooling fan mounted on the rear surface can be buffered, and the target of the supported object is not particularly limited.

  In the embodiment described above, the non-contact recesses 7 and 7a are formed by forming the hole 5a of the buffer body 5 with a larger diameter than the shaft portion 23 or by providing a flat surface 23c on the peripheral surface of the shaft portion 23. In addition, the non-contact recesses 7 and 7a may be formed by making the cross-sectional shape of the hole 5a of the shock absorber 5 non-circular such as an ellipse or a polygon, or the shaft portion 23. The non-contact recesses 7 and 7a may be formed by making the cross-sectional shape of the non-circular shape such as an ellipse or a polygon.

  Moreover, in Embodiment 4 demonstrated above, although the 1st control part 20 was provided in the rib 23a of the cabinet front part 21, the 1st control part 20 is the receiving part 23b side of the buffer body 5 in addition. For example, an annular convex portion that contacts the opposite side of the shaft portion 23 of the rib 23 a is provided at the end so that the buffer 5 is restricted from moving in the radial direction of the shaft portion 23 with respect to the shaft portion 23. Also good.

  Moreover, in Embodiment 5 demonstrated above, although the 2nd control part 24 was provided in the rib 23a of the cabinet front body 21, and the 3rd control part 34 was provided in the to-be-attached part 32, other than 2nd The restricting portion 24 is provided with, for example, an annular convex portion that contacts the opposite side of the rib 23 a to the shaft portion 23 of the first split body 51, and the first split 51 has a diameter of the shaft portion 23 with respect to the shaft portion 23. The third restricting portion 34 may be provided with a convex portion that comes into contact with the outer peripheral portion of the attached portion 32, for example. The bisection 52 may be restricted from moving in the radial direction of the shaft portion 23 with respect to the shaft portion 23.

  Moreover, the buffer structure A according to the present invention may be used for a device other than the display device in addition to being used for the display device.

  Moreover, in embodiment described above, as the buffer structure of the speaker to which the upper side and the lower side are attached, the buffer structure B is disposed at the two upper positions and the buffer structure A is disposed at the two lower positions. The buffer structure A may be disposed on the upper side and the lower side. In this case, for example, the buffer structure A shown in FIG. 10 is arranged on the upper side so that the non-contact recess 7 is in the horizontal position, and the buffer structure A shown in FIG. It may be arranged to be. Moreover, it is good also as a combination structure of Embodiment 1-6.

  The display device according to the present invention may be a liquid crystal display device such as a liquid crystal television, or a display device such as a plasma display device or an EL display.

It is a perspective view which shows the structure of the display apparatus which concerns on this invention. It is the vertical side view which abbreviate | omitted one part which shows the structure of the display apparatus which concerns on this invention. It is a front view which shows the structure of the speaker of the display apparatus which concerns on this invention. It is an expanded sectional view showing a buffer structure concerning the present invention. It is a front view which shows the structure of the attaching part of the speaker of the display apparatus which concerns on this invention. It is a longitudinal cross-sectional view which shows the other structure of the buffer structure which concerns on this invention. It is a longitudinal cross-sectional view which shows the other structure of the buffer structure which concerns on this invention. It is a longitudinal cross-sectional view which shows the other structure of the buffer structure which concerns on this invention. It is a longitudinal cross-sectional view which shows the other structure of the buffer structure which concerns on this invention. It is a longitudinal cross-sectional view of the axial direction of the axial part which shows the other structure of the buffer structure which concerns on this invention. It is explanatory drawing of the buffer structure described in patent document 1. FIG.

Explanation of symbols

A Buffer structure 1 Display 2 Cabinet (support)
23 Shaft portion 20 First restriction portion 24 Second restriction portion 34 Third restriction portion 3 Speaker (supported object)
DESCRIPTION OF SYMBOLS 5 Buffer 5a Hole 51 1st division 52 2nd division 53 Connection part 7 Non-contact recessed part 7a 2nd non-contact recessed part

Claims (6)

  The support body having a shaft portion has a hole that is fitted into the shaft portion so that the peripheral surfaces are in contact with each other, and is arranged between the support object and the shaft portion so that the support object is placed on the support body. A buffer structure including a buffer body to support, wherein at least one of a peripheral surface of the shaft portion and a peripheral surface of the hole has a non-contact recess for reducing a contact area with the other.   The shock absorber has a first split body and a second split section that are spaced apart in the axial length direction of the shaft portion, and the supported object is disposed between the first split body and the second split body. The buffer structure according to claim 1.   The buffer structure according to claim 2, wherein the buffer body includes a connecting portion that integrally connects the first split body and the second split body within the non-contact recess.   The hole of the shock absorber has a larger diameter than the shaft portion, and at least one of the shock absorber and the support has a restricting portion that restricts relative movement of the shaft portion in the direction perpendicular to the axis with respect to the other. The buffer structure according to claim 1 or 3.   The holes of the first and second halves are larger in diameter than the shaft portion, and the support body is a second restriction that restricts the movement of the shaft portion in the direction perpendicular to the axis of the shaft. The buffer structure according to claim 2, further comprising a third restricting part that restricts movement of the second part in the direction perpendicular to the axis of the shaft part.   A display unit having a display surface on the front side, a cabinet that covers the rear side of the display unit and forms the support, a speaker that is arranged in the cabinet and forms the supported object, and vibration of the speaker A display device comprising: the buffer structure according to any one of claims 1 to 5.

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