JP4914985B2 - Hinge mechanism and lidded instrument - Google Patents

Description

  The present invention relates to a hinge mechanism including a facing portion provided on a main body side and a facing portion provided on a lid side rotatable with respect to the main body, and a device with a lid.

  When the lid connected to the main body via the hinge mechanism is moved from the closed position toward the open position, there is a risk that the lid will vigorously collide with a member that keeps the lid in the open position and noise may be generated. Patent Documents 1 and 2 disclose speed adjusting means for preventing the lid from strikingly colliding with a member that holds the lid in the open position.

  In the speed adjusting means disclosed in Patent Document 1, a bulging portion is provided on an arc-shaped lid arm attached to a lid (lid). The bulging part is formed in an arc shape centered on a pin that connects the lid to the main body (instrument panel) side, and a leaf spring provided on an arm guide that guides the lid arm can be joined to the bulging part It is. When the lid approaches the maximum opening position, the leaf spring rides on the bulging portion, and the opening speed of the lid decreases. This prevents a collision between the stopper provided on the arm and the arm guide.

In the speed adjusting means disclosed in Patent Document 2, a cam projection is provided at the base end portion of the lid (the portion of the lid near the hinge shaft), and a leaf spring is provided on the main body (luggage floor lower) side. Yes. When the lid is in the closed position, the cam protrusion does not contact the leaf spring, and when the lid rotates from the closed position to the maximum open position, the cam protrusion contacts the leaf spring. When the lid approaches the maximum open position, the cam projection is strongly pressed against the leaf spring. Thereby, when the lid approaches the maximum opening position, the opening speed of the lid is reduced.
JP 2000-6727 A JP 2003-341433 A

However, both of Patent Documents 1 and 2 require a new part constituting the speed adjusting means.
An object of the present invention is to make it possible to brake a lid at a desired rotational position of the lid without using new parts.

The present invention is directed to a hinge mechanism in which a lid is connected to a main body via a hinge mechanism so as to be rotatable about a virtual connection axis, and the invention of claim 1 is a first mechanism provided on the main body side. 1 opposing part and the 2nd opposing part provided in the said lid | cover side, The said 1st opposing part and the said 2nd opposing part have an end surface which mutually opposes, Between a pair of said end surfaces The opposing state is a braking state in which the lid is braked by contacting each other, or a non-braking state in which the lid is not braked, and the opposing state between the pair of end surfaces is the With the rotation of the lid around the virtual connection axis, the state is shifted from one state between the braking state and the non-braking state to the other state, and after the lid is separated from the closed position, lid, to thus being moved by its own weight toward the maximum open position side from the closed position side .

If the facing state between the pair of end faces is in the non-braking state when the lid is on the closed position side, the lid rotates from the closed position side to the maximum open position side about the virtual connection axis. Braking can be applied on the way. On the contrary, when the lid is on the maximum open position side, if the opposing state between the pair of end faces is in the non-braking state, the lid is located from the maximum open position side to the closed position side about the virtual connection axis. Braking can be applied on the way to the rotation. Such braking is obtained by appropriately setting the shape of a pair of opposed end faces without using new parts. Further, the lid can be braked without requiring an external force such as pressing by the hand.

  In a preferred example, the facing state between the pair of end surfaces is in a non-braking state when the lid is in the closed position, and the facing state between the pair of end surfaces is the maximum opening from the closed position. During the rotation to the position, the non-braking state shifts to the braking state.

Such a configuration is suitable when the lid rotates by its own weight from the closed position side to the maximum open position side.
In a preferred example, the end surface on the first facing portion side rises from the first facing portion side to the second facing portion side as the lid moves in the direction in which the lid rotates from the closed position to the maximum open position. The end surface on the second facing portion side has a slope and descends from the first facing portion side toward the second facing portion side as the lid moves in the direction in which the lid rotates from the closed position to the maximum open position. The pair of slopes contact each other while the lid is rotated from the closed position to the maximum open position.

When the lid further rotates in the same direction after the pair of slopes come into contact with each other, the pressure contact between the pair of slopes increases, and the lid is braked. The joining of a pair of slopes is advantageous for preventing wear.
In a preferred example, the pair of slopes contact at a position where the lid is rotated at most 90 ° from the closed position to the maximum open position.

Such a configuration is suitable when the lid in the closed position is in a suspended state and the lid rotates more than 90 ° from the closed position to reach the maximum open position.
In a preferred example, the end surface on the first facing portion side has a top plane that is perpendicular to the virtual connection axis and that extends to the end of the slope of the end surface on the first facing portion side, and is on the second facing portion side. Has a bottom plane that is perpendicular to the imaginary coupling axis and that is continuous with the start of the slope of the end surface on the second facing portion side, and when the lid is in the maximum open position, the end surface on the first facing portion side The top plane and the top surface on the second facing portion side are in surface contact.

  When the lid is in the maximum open position, a pair of opposing top planes are in pressure contact. In this state, even when the lid vibrates, the pressure contact state between the pair of opposing top planes is not released.

In a preferred example, the pair of top planes contact at a position where the lid is rotated at least 90 ° from the closed position toward the maximum open position.
Such a configuration is suitable when the lid in the closed position is in a suspended state and the lid rotates more than 90 ° from the closed position to reach the maximum open position.

  In a preferred example, one of the first facing portion and the second facing portion is one, and the other is two so as to sandwich the one facing portion, and one of the one facing portion side. The facing state between the end surface of the two and the end surfaces on the two facing portions facing the end surface is either a braking state in which the lid is brought into contact with each other to brake the lid or a non-braking state in which the lid is not braked. The opposite state of the other end surface on the one opposing portion side and the end surface on the two opposing portion sides facing this end surface is a braking state in which the lid is braked by contacting each other. And a non-braking state in which the lid is not braked, and the pair of end faces on the one opposing portion side are in the middle between the pair of end faces and are perpendicular to the virtual connecting axis. A mirror-symmetric shape with respect to the plane, and a pair of end faces on the one opposing portion side A pair of end faces toward is a mirror-symmetrical shape with respect to the virtual plane.

In such a mirror-symmetric configuration, a braking force having a necessary magnitude can be obtained by dividing the braking force into a plurality of opposing end faces.
The invention of claim 8 is mounted on an automobile, the lid is a lid with instruments connected to the body via a hinge mechanism, the lid, the hinge mechanism according to any one of claims 1 to 7 It is connected to the main body via

  In a state where the lid is braked, the lid does not rattle against the main body even if the device with the lid vibrates. Such an instrument with a lid is suitable as an instrument with a lid to be mounted on an automobile that easily vibrates.

  The present invention has an excellent effect that the lid can be braked at a desired rotational position of the lid without using a new part.

A first embodiment in which the present invention is embodied in an outlet installed in an automobile will be described below with reference to FIGS.
As shown in FIG. 1A, the outlet 11 includes, for example, a mounting cover 12 attached to the instrument panel, a main body 13 that is fitted and coupled to the mounting cover 12, and a lid 14 that is connected to the main body 13. And. The mounting cover 12, the main body 13, and the lid 14 are made of synthetic resin, and the main body 13 has a pair of connecting metal terminals (not shown) built therein.

  As shown in FIG. 1B, a cylindrical facing portion 15 is integrally formed at the lower front portion of the main body 13, and a pair of cylindrical facing portions 16 and 17 are integrally formed on the back side of the lid 14. ing. A metal connecting shaft 18 passes through the cylinder of the facing part 15 as the first facing part on the main body 13 side and the cylinders of the facing parts 16 and 17 as the second facing part on the lid 14 side. The connecting shaft 18 is press-fitted into the cylinder of the facing portion 15 on the main body 13 side and is fastened, and is loosely fitted in the cylinders of the facing portions 16 and 17 on the lid 14 side. The lid 14 is rotatable with respect to the connecting shaft 18 and the main body 13 about the connecting shaft 18. The facing portions 15, 16, 17 and the connecting shaft 18 constitute a hinge mechanism that connects the lid 14 to the main body 13.

  A pair of plug insertion openings 131 are provided on the front surface of the main body 13. When the pair of metal terminals on the plug side are inserted into the pair of plug insertion openings 131, the pair of metal terminals are electrically connected to the pair of connection metal terminals on the main body 13 side. A hook 121 is provided on the front upper portion of the attachment cover 12, and a hook 141 is provided on the back side of the lid 14. The hook 121 and the hook 141 can be latched and unlatched, and when the hook 121 and the hook 141 are latched, the lid 14 is closed in the vertical state shown in FIG. It is in. When the lid 14 is in the closed position, the pair of plug insertion openings 131 are covered with the lid 14.

  When the lid 14 is at the position indicated by the chain line in FIG. 2B, the lower end 142 of the lid 14 is in contact with the lower surface 132 of the main body 13. In a state where the lower end 142 of the lid 14 is in contact with the lower surface 132 of the main body 13, the lid 14 does not further rotate in the direction away from the closed position. The lid 14 indicated by a chain line in FIG. 2B is in a maximum open position farthest from the closed position.

  As shown in FIGS. 1B and 2B, one end surface 19 of the facing portion 15 on the main body 13 side and an end surface 20 on the inner side of the facing portion 16 on the lid 14 face each other so as to be able to come into contact with and separate from each other. is doing. The other end surface 21 of the facing portion 15 on the main body 13 side and the end surface 22 on the inner side of the facing portion 17 on the lid 14 side are opposed to each other so as to be able to contact and separate.

  As shown in FIG. 3A, one end surface 19 of the facing portion 15 includes a bottom plane 191 that is a plane perpendicular to the central axis 181 of the connecting shaft 18, a slope 192 that continues to the bottom plane 191, The top plane 193 is a plane perpendicular to the axis 181 and is continuous with the inclined surface 192. The top plane 193 is located closer to the end surface 20 of the facing portion 16 than the bottom plane 191. The inclination of the inclined surface 192 is an inclination that rises from the facing portion 15 side toward the facing portion 16 side as the lid 14 moves in the direction of rotation from the closed position to the maximum open position. The bottom plane 191 is continuous with the start end 192 s of the slope 192, and the top plane 193 is continuous with the end 192 e of the slope 192. A line passing through the central axis 181 on the inclined surface 192 on the facing portion 15 side is a straight line perpendicular to the central axis 181 as a virtual connection axis.

  The end surface 20 of the facing portion 16 includes a bottom plane 201 that is a plane perpendicular to the central axis 181, a slope 202 that is continuous with the bottom plane 201, and a plane that is perpendicular to the central axis 181 and is continuous with the slope 202. And a plane 203. The top plane 203 is located closer to the end surface 19 of the facing portion 15 than the bottom plane 201. The inclination of the inclined surface 202 is an inclination that falls from the facing portion 15 side toward the facing portion 16 side as the lid 14 moves in the direction of rotation from the closed position to the maximum open position. The bottom plane 201 is continuous with the start end 202 s of the slope 202, and the top plane 203 is continuous with the end 202 e of the slope 202. A line passing through the central axis 181 on the slope 202 on the facing portion 16 side is a straight line perpendicular to the central axis 181.

  The other end surface 21 of the facing portion 15 includes a bottom plane 211 that is a plane perpendicular to the central axis 181, a slope 212 that continues to the bottom plane 211, and a plane that is perpendicular to the central axis 181 and is on the slope 212. It consists of a continuous top plane 213. The top plane 213 is located closer to the end surface 22 of the facing portion 17 than the bottom plane 211. The inclination of the slope 212 is an inclination that rises from the facing portion 15 side toward the facing portion 17 side as the lid 14 moves in the direction of rotation from the closed position to the maximum open position. The bottom plane 211 is continuous with the start end 212 s of the slope 212, and the top plane 213 is continuous with the end 212 e of the slope 212. The end surface 21 and the end surface 19 have a mirror-symmetric shape with respect to a virtual plane that is intermediate between the end surfaces 19 and 21 and is perpendicular to the central axis 181 of the connecting shaft 18.

  The end surface 22 of the facing portion 17 includes a bottom plane 221 that is a plane perpendicular to the central axis 181, a slope 222 that is continuous with the bottom plane 221, and a plane that is perpendicular to the central axis 181 and is continuous with the slope 222. And a plane 223. The top plane 223 is located closer to the end surface 21 of the facing portion 15 than the bottom plane 221. The inclination of the inclined surface 222 is an inclination that falls from the facing portion 15 side toward the facing portion 17 side as the lid 14 moves in the direction of rotation from the closed position to the maximum open position. The bottom plane 221 continues to the start end 222 s of the slope 222, and the top plane 223 continues to the end 222 e of the slope 222. The end face 22 and the end face 20 have a mirror-symmetric shape with respect to a virtual plane that is intermediate between the end faces 20 and 22 and is perpendicular to the central axis 181 of the connecting shaft 18.

  FIG. 4A shows an opposing state between the end face 19 and the end face 20 when the lid 14 is in the closed position shown in FIGS. 1A and 2A, and between the end face 21 and the end face 22. The opposite state is shown. When the lid 14 is in the closed position, the end surface 19 and the end surface 20 are in a non-pressure contact state, and the end surface 21 and the end surface 22 are in a non-pressure contact state. That is, when the lid 14 is in the closed position, the facing state between the end surface 19 and the end surface 20 and the facing state between the end surface 21 and the end surface 22 are in a non-braking state in which the lid 14 is not braked. When the lid 14 in the closed position is rotated about the connecting shaft 18 in the direction away from the closed position, the hooked state between the hook 121 and the hook 141 is released. When the hooked state between the hook 121 and the hook 141 is released, the lid 14 is rotated and lowered by its own weight.

  When the lid 14 is rotated by its own weight and descends, the inclined surfaces 192 and 212 on the end surfaces 19 and 21 side and the inclined surfaces 202 and 222 on the end surfaces 20 and 22 side come into surface contact. FIG. 4A shows the facing state between the end surface 19 and the end surface 20 and the facing state between the end surface 21 and the end surface 22, and the slopes 192 and 212 on the end surfaces 19 and 21 side and the end surfaces 20 and 22 side. The slopes 202 and 222 are in contact with each other. In the example shown in FIG. 4A, the lid 14 is in a position rotated about 60 ° from the closed position about the connecting shaft 18. In the present embodiment, the inclined surfaces 192 and 212 on the end surfaces 19 and 21 side and the inclined surfaces 202 and 222 on the end surfaces 20 and 22 side are rotated by about 60 ° about the connecting shaft 18 from the closed position. The contact starts from the position.

  When the lid 14 further rotates in the same direction after the slopes 192 and 212 on the main body 13 side and the slopes 202 and 222 on the lid 14 side contact, the portions of the slopes 192, 212, 202, and 222 are elastically compressed and the slope 192 is compressed. , 212 and the slopes 202, 222 gradually increase, and the lid is braked. Therefore, the rotation speed of the lid 14 is reduced before the lower end 142 of the lid 14 contacts the lower surface 132 of the main body 13. The facing state between the end surfaces 19 and 20 and the facing state between the end surfaces 21 and 22 shift from the non-braking state to the braking state while the lid 14 is rotated from the closed position to the maximum open position.

  When the lid 14 further rotates, the top planes 193 and 213 on the end surfaces 19 and 21 side and the top planes 203 and 223 on the end surfaces 20 and 22 side start to contact each other. In the present embodiment, when the lid 14 is rotated about 100 ° from the closed position, the top planes 193, 213 and the top planes 203, 223 start to contact each other, and the lid 14 is brought into contact with the top planes 193, 213 by the dead weight. It rotates to the position where 203,223 contacts.

  FIG. 5A shows a facing state between the end surface 19 and the end surface 20 and a facing state between the end surface 21 and the end surface 22 when the lid 14 is further rotated from the state of FIG. . In this state, the top planes 193, 213, 203, and 223 are elastically compressed, and the top planes 193 and 213 and the top planes 203 and 223 are in pressure contact. That is, the facing state between the end surface 19 and the end surface 20 and the facing state between the end surface 21 and the end surface 22 are in a braking state in which the lid 14 is braked. The lid 14 shown in FIG. 5 (a) is in the maximum open position farthest from the closed position.

  H1, H2, H3, H4, H5, and H6 shown in FIGS. 3 (b), 4 (b), and 5 (b) are developed views of the inner peripheral surfaces of both end portions of the facing portion 15. FIG. F1, F3, and F5 are development views of the inner peripheral surface of the end portion on the end surface 20 side of the facing portion 16, and F2, F4, and F6 are development views of the outer peripheral surface of the end portion on the end surface 22 side of the facing portion 17. Indicates. In the following, H1, H2, H3, H4, H5, H6, F1, F2, F3, F4, F5, and F6 are developed surfaces H1, H2, H3, H4, H5, H6, F1, F2, F3, F4. Described as F5 and F6.

  191 in the development surfaces H1, H3, and H5 represents the bottom plane 191 of the end surface 19, and 211 in the development surfaces H2, H4, and H6 represents the bottom plane 211 of the end surface 21. 192 in the development surfaces H1, H3, and H5 represents the slope 192 of the end surface 19, and 212 in the development surfaces H2, H4, and H6 represents the slope 212 of the end surface 21. 193 in the development surfaces H1, H3, and H5 represents the top plane 193 of the end surface 19, and 213 in the development surfaces H2, H4, and H6 represents the top plane 213 of the end surface 21.

  201 in the development surfaces F1, F3, and F5 represents the bottom plane 201 of the end surface 20, and 221 in the development surfaces F2, F4, and F6 represents the bottom plane 221 of the end surface 22. 202 in the development surfaces F1, F3, and F5 represents the slope 202 of the end surface 20, and 222 in the development surfaces F2, F4, and F6 represents the slope 222 of the end surface 22. 203 in the development surfaces F1, F3, and F5 represents the top plane 203 of the end surface 20, and 223 in the development surfaces F2, F4, and F6 represents the top plane 223 of the end surface 22.

  FIG. 3B shows a facing state between the end surfaces 19 and 20 and a facing state between the end surfaces 21 and 22 corresponding to FIG. The facing state between the end surface 19 and the end surface 20 is a non-braking state in which the lid 14 is not braked, and the facing state between the end surface 21 and the end surface 22 is a non-braking state in which the lid 14 is not braked. is there. FIG. 4B shows the facing state between the end surfaces 19 and 20 and the facing state between the end surfaces 21 and 22 corresponding to FIG. 4A, and the slope 192 and the slope 202 are in pressure contact with each other. And the slope 222 are in pressure contact with each other. FIG. 5B shows a facing state between the end surfaces 19 and 20 and a facing state between the end surfaces 21 and 22 corresponding to FIG. 5A, and the top plane 193 and the top plane 203 are in pressure contact with each other. The top plane 213 and the top plane 223 are in pressure contact.

In the first embodiment, the following effects can be obtained.
(1) Before the lower end 142 of the lid 14 comes into contact with the lower surface 132 of the main body 13, the lid 14 is braked and the rotational speed of the lid 14 is reduced, so the lower end 142 of the lid 14 and the lower surface 132 of the main body 13 are reduced. Generation of noise due to collision with The braking of the lid 14 is obtained by appropriately setting the shape of the opposing end surfaces 19 and 20 and the shape of the opposing end surfaces 21 and 22, and does not require a new part for applying braking.

  (2) When the lid 14 is rotated and lowered by its own weight, the lid 14 is braked during the lowering. A configuration in which braking is performed so as to oppose the weight of the lid 14 that is lowered by its own weight is suitable for preventing the lid 14 that is lowered by its own weight from colliding with the main body 13 with the same force.

  (3) The structure in which braking is applied by contact between the slopes 192 and 212 on the main body 13 side and the slopes 202 and 222 on the lid 14 side is between the end faces 19 and 21 on the main body 13 side and the end faces 20 and 22 on the lid 14 side. This is suitable for smooth braking by gradually increasing the pressure contact force.

  (4) Contact between the inclined surfaces 192 and 212 and the inclined surfaces 202 and 222 is surface contact. The slopes 192, 202, 212, and 222 that come into surface contact and brake the lid 14 are advantageous in preventing wear.

  (5) The pressure contact force when the top planes 193 and 213 on the main body 13 side and the top planes 203 and 223 on the lid 14 side are in pressure contact is the slopes 192 and 212 on the main body 13 side and the slope 202 on the lid 14 side. It is larger than the pressing force when 222 is in pressure contact. The top planes 193, 213, 203, and 223 that provide a large pressure contact force are preferable for holding the lid 14 in the open position.

  (6) When the top planes 193 and 213 on the main body 13 side and the top planes 203 and 223 on the lid 14 side are in pressure contact, the lid 14 vibrates and the rotation position of the lid 14 should change. In this case, the lid 14 does not move to the closed position side, and the pressure contact state between the opposing top planes 193 and 213 and the top planes 203 and 223 is not released.

  (7) In order to insert the plug into the outlet 11, the lid 14 is preferably at a position rotated at least 90 ° from the closed position toward the maximum open position. In the present embodiment, the lid 14 descends by its own weight to a position rotated about 100 ° from the closed position to the maximum open position. The configuration in which the lid 14 is rotated by its own weight to the position rotated 90 ° from the closed position to the maximum open position is such that the lid 14 in the closed position is in the vertical state, and the lid 14 is fully opened from the closed position side. This is suitable for a structure that rotates by its own weight to the position side.

  (8) In the configuration in which the end surfaces 19 and 21 of the facing portion 15 have a mirror-symmetric shape and the end surfaces 20 and 22 of the facing portions 16 and 17 have a mirror-symmetric shape, between the facing end surfaces 19 and 20 The facing state and the facing state between the facing end faces 21 and 22 are the same state. In a device with a small lid such as the outlet 11, the areas of the opposed end surfaces 19 and 20 and the opposed end surfaces 21 and 22 cannot be increased. However, by adopting such a mirror-symmetric configuration, a pair of opposed end surfaces. The braking force of a required magnitude can be obtained by dividing the braking force into 19 and 20 and the pair of end faces 21 and 22. A configuration in which the braking force is divided and distributed is also advantageous in preventing wear.

  (9) In the state where the lid 14 is braked, the lid 14 will not rattle against the main body 13 even if the outlet 11 vibrates. Such an outlet 11 is suitable as a device with a lid to be mounted on an automobile that easily vibrates.

Next, a second embodiment shown in development views in FIGS. 6A, 6B, and 6C will be described. The same reference numerals are used for the same components as those in the first embodiment.
In the second embodiment, the end surfaces 20A and 22A on the facing portions 16 and 17 side are composed of bottom planes 201 and 221 and top planes 203 and 223, respectively. FIG. 6A shows a facing state between the end surfaces 20A and 19 and a facing state between the end surfaces 22A and 21 when the lid 14 is in the closed position. When the lid 14 rotates from the closed position toward the maximum open position, the angles 205 and 225 formed by the steps 204 and 224 between the top planes 203 and 223 and the bottom planes 201 and 221 and the top planes 203 and 223 face each other The brake is applied by contacting the inclined surfaces 192 and 212 on the side of the parts 16 and 17. FIG. 6B shows a facing state between the end surfaces 20A and 19 and a facing state between the end surfaces 22A and 21 when the corners 205 and 225 start to contact the inclined surfaces 192 and 212. FIG. FIG. 6C shows the facing state between the end surfaces 20A, 19 and the end surfaces 22A, 21 when the top planes 193, 213 on the facing portion 15 side and the top planes 203, 223 on the facing portions 16, 17 side are in pressure contact. The opposite state is shown.

Also in the second embodiment, the same effects as the items (1), (2), (5), (6), (8), and (9) in the first embodiment can be obtained.
Next, a third embodiment shown in development in FIGS. 7A, 7B, and 7C will be described. The same reference numerals are used for the same components as those in the first embodiment.

  In 3rd Embodiment, the end surface 19B by the side of the opposing part 15 is comprised from the bottom plane 191B, a pair of slope 196,197, and the top plane 193B, and the end surface 21B by the side of the opposing part 15 is the bottom plane 211B. It consists of a pair of slopes 216, 217 and a top plane 213B. The end surface 20B on the facing portion 16 side includes a bottom plane 201B, a pair of slopes 207 and 208, and a top plane 203B. The end surface 22B on the facing portion 16 side has a bottom plane 221B and a pair of slopes 227 and 228. It consists of a top plane 223B.

  FIG. 7A shows a facing state between the end surfaces 19B and 20B and a facing state between the end surfaces 21B and 22B when the lid 14 is in the closed position. In this state, the top planes 193B and 213B on the facing portion 15 side and the top planes 203B and 223B on the facing portions 16 and 17 side are in pressure contact, and the lid 14 is braked. When the lid 14 rotates from the closed position toward the maximum open position, the slope 196 and the slope 207 come into pressure contact with each other, and the slope 216 and the slope 227 come into pressure contact with each other. When the lid 14 is further rotated toward the maximum open position, the end surfaces 19B and 20B are not pressed against each other, and the end surfaces 19B and 22B are not pressed against each other and the end surfaces 21B and 22B are not pressed against each other. Transition to the non-braking state.

  When the lid 14 further rotates, the opposing state of the end surfaces 19B and 20B shifts to a braking state in which the inclined surface 197 and the inclined surface 205 are in pressure contact with each other and the inclined surface 217 and the inclined surface 228 are in pressure contact as shown in FIG. To do. When the lid 14 approaches the maximum open position, the top planes 193B and 213B on the facing portion 15 side and the top planes 203B and 223B on the facing portions 16 and 17 side are in pressure contact with each other. FIG. 5 (c) shows the facing state between the end surfaces 19B and 20B and the end surfaces 21B and 22B when the top planes 193B and 213B on the facing portion 15 side and the top planes 203B and 223B on the facing portions 16 and 17 side are in pressure contact with each other. The opposite state is shown.

When the lid 14 approaches the vicinity of the maximum open position, the lid 14 is braked, and when the lid 14 approaches the closed position, the lid 14 is also braked.
Also in the third embodiment, the same effects as the items (1), (2), (5), (6), (8), and (9) in the first embodiment can be obtained. Even when the lid 14 in the open position is returned to the closed position, the rotational speed of the lid 14 is reduced, so that the lid 14 does not collide with the main body 13.

Next, a fourth embodiment shown in development in FIGS. 8A, 8B, and 8C will be described. The same reference numerals are used for the same components as those in the third embodiment.
In the fourth embodiment, the end surface 19C on the facing portion 15 side is composed of a bottom flat surface 191C and a convex curved surface 198, and the end surface 21C on the facing portion 15 side is composed of a bottom flat surface 211C and a convex curved surface 218. ing. The convex curved surface 198 has a shape that descends after reaching the top when rising to the convex curved surface 198, and the convex curved surface 218 has a shape that descends after reaching the top when rising to the convex curved surface 218.

  The end surface 20C on the facing portion 16 side includes a bottom plane 201C, a slope 205, a top plane 203C, and a convex curved surface 206. The end surface 22C on the facing portion 17 side has a bottom plane 221C, a slope 228, and a top plane 223C. It is composed of a convex curved surface 226. The convex curved surface 206 has a shape that descends after reaching the top as it rises from the bottom plane 201C side to the convex curved surface 206, and the convex curved surface 226 reaches the top when it rises from the bottom plane 221C side to the convex curved surface 226. It is a shape that descends after reaching.

  FIG. 8A shows a facing state between the end surfaces 19C and 20C and a facing state between the end surfaces 21C and 22C when the lid 14 is in the closed position. In this state, the convex curved surfaces 198 and 218 on the facing portion 15 side are in pressure contact with the convex curved surfaces 206 and 226 on the facing portions 16 and 17 side, and the lid 14 is braked. When the lid 14 is rotated from the closed position toward the maximum open position, the convex curved surfaces 198 and 218 pass through the tops of the convex curved surfaces 206 and 226 while being in sliding contact with the convex curved surfaces 206 and 226, and then face the bottom planes 201C and 221C. . In this state, the end surface 19C and the end surface 20C are in a non-pressure contact state, and the end surface 21C and the end surface 22C are in a non-pressure contact state, and the lid 14 is not braked. When the lid 14 further rotates, the convex curved surfaces 198 and 218 come into contact with the inclined surfaces 217 and 227. FIG. 8B shows a state where the convex curved surfaces 198 and 218 are in contact with the inclined surfaces 205 and 225. When the lid 14 approaches the maximum open position, the convex curved surfaces 198 and 218 on the facing portion 15 side and the top flat surfaces 203C and 223C on the facing portions 16 and 17 side come into pressure contact. FIG. 8C shows a facing state between the end surfaces 19C and 20C and a facing state between the end surfaces 21C and 22C when the convex curved surfaces 198 and 218 and the top planes 203C and 223C are pressed against each other.

When the lid 14 approaches the vicinity of the maximum open position, the lid 14 is braked, and when the lid 14 approaches the closed position, the lid 14 is also braked.
Also in the fourth embodiment, the same effect as in the second embodiment can be obtained. When the lid 14 is in the closed position, the convex surfaces 198 and 218 are in pressure contact with the convex curved surfaces 206 and 226 where they pass over the tops of the convex curved surfaces 206 and 226, so that the lid 14 is fully opened from the closed position side. It does not move to the position side. Therefore, the lid 14 can be held in the closed position without the hooks 121 and 141 (see FIG. 2A).

In the present invention, the following embodiments are also possible.
In the first embodiment, the slopes 192, 202, 212, and 222 may be convex curved slopes. In this case, the convex direction of the slope is the direction toward the opposite party.

In the first embodiment, the top planes 193, 203, 213, and 223 may be omitted.
In the first embodiment, the end surface 19 on the main body 13 side and the end surface 20 on the lid 14 side are configured only by a plane perpendicular to the central axis 181, or the end surface 21 on the main body 13 side and the end surface 22 on the lid 14 side May be constituted only by a plane perpendicular to the central axis 181. Even when the end surface 19 and the end surface 20 are configured only by a plane perpendicular to the central axis 181, when the facing state between the end surface 21 on the main body 13 side and the end surface 22 on the lid 14 side is in a braking state, the planar end surface 19, 20 are pressed together. Similarly, even when the end surface 21 and the end surface 22 are configured only by a plane perpendicular to the central axis 181, when the facing state between the end surface 19 on the main body 13 side and the end surface 20 on the lid 14 side is a braking state, The shape end surfaces 21 and 22 are pressed against each other.

  In the first embodiment, if the facing state between the end surfaces 19 and 20 and the facing state between the end surfaces 21 are the same, the shape of the end surface 19 on the main body 13 side and the shape of the end surface 21 are mirror-symmetrical. The shape of the end surface 20 on the lid 14 side and the shape of the end surface 22 may not be mirror-symmetrical.

In the second embodiment, flat or curved chamfers may be provided at the corners 205 and 225.
A plurality of pairs of end surfaces having a combination relationship similar to the combination of the end surface 19 and the end surface 20 may be provided. In this case, it is desirable to provide at least one combination of the end surface 21 and the end surface 22.

  A plurality of pairs of end surfaces having the same combination relationship as the combination of the end surface 21 and the end surface 22 may be provided. In this case, it is desirable to provide at least one combination of the end face 19 and the end face 20.

  ○ Instead of eliminating the connecting shaft 18, a concave portion is provided on one of the main body and the lid, and a convex portion that fits into the concave portion is provided on the other side, so that the lid is rotatable with respect to the main body, and the convex portion is in the concave portion You may employ | adopt the structure fitted so that it might rotate. In this case, the central axis of the convex part and the concave part is a virtual connection axis.

The present invention may be applied to a device with a lid such as a storage box with a lid mounted on an automobile or a luggage floor lower with a lid mounted on an automobile.
The present invention may be applied to a device with a lid (such as an outlet with a lid) attached to a wall or the like in a house.

A 1st embodiment is shown and (a) is a side view of an outlet socket. (B) is a partially broken front view of an outlet. (A) is the sectional view on the AA line of FIG.1 (b). (B) is the BB sectional drawing of Fig.2 (a). (A) is a partial expansion disassembled perspective view. (B) is a development view. (A) is a partial expansion disassembled perspective view. (B) is a development view. (A) is a partial expansion disassembled perspective view. (B) is a development view. The 2nd Embodiment is shown and (a), (b), (c) is an expanded view. A 3rd embodiment is shown and (a), (b), and (c) are development views. The 4th Embodiment is shown, (a), (b), (c) is an expanded view.

Explanation of symbols

  11 ... Outlet as an instrument with a lid. 13 ... Main body. 14 ... lid. 15. Opposing portion as a first opposing portion. 16, 17 ... Opposing portions as second opposing portions. 18: A connecting shaft constituting a hinge mechanism. 181: A central axis as a virtual connection axis. 19-22, 19A, 21A, 19B, 20B, 21B, 22B, 19C, 20C, 21C, 22C ... end face. 191, 201, 211, 221... 192,196,197,202,207,208,212,216,217,222,227,228 ... slopes. 192s, 202s, 212s, 222s... 192e, 202e, 212e, 222e... Termination. 193, 203, 213, 223, 193B, 203B, 213B, 223B, 203C, 223C...

Claims (8)

In the hinge mechanism in which the lid is connected to the main body via the hinge mechanism so as to be rotatable about a virtual connection axis,
A first opposing portion provided on the main body side; and a second opposing portion provided on the lid side, wherein the first opposing portion and the second opposing portion have end faces facing each other. The facing state between the pair of end surfaces is either a braking state in which the lids are brought into contact with each other to brake the lid, or a non-braking state in which the lids are not braked, and the pair of end surfaces The facing state between is shifted from one state of the braking state and the non-braking state to the other state with the rotation of the lid around the virtual connection axis ,
A hinge mechanism in which the lid moves by its own weight from the closed position side to the maximum open position side after the lid leaves the closed position .   The facing state between the pair of end surfaces is in a non-braking state when the lid is in the closed position, and the facing state between the pair of end surfaces rotates the lid from the closed position to the maximum open position. The hinge mechanism according to claim 1, wherein the hinge mechanism shifts from a non-braking state to a braking state on the way.   The end surface on the first facing portion side has a slope that rises from the first facing portion side toward the second facing portion side in the direction in which the lid rotates from the closed position to the maximum open position, The end surface on the second facing portion side has a slope that descends from the first facing portion side toward the second facing portion side as the lid moves in the direction of rotation from the closed position to the maximum open position, The hinge mechanism according to claim 2, wherein the pair of inclined surfaces are in contact with each other while the lid is rotated from the closed position to the maximum open position.   4. The hinge mechanism according to claim 3, wherein the pair of inclined surfaces contact at a position where the lid is rotated at most 90 ° from the closed position toward the maximum open position.   The end surface on the first facing portion side has a top plane that is perpendicular to the virtual connection axis and that extends to the end of the slope of the end surface on the first facing portion side, and the end surface on the second facing portion side is A bottom plane that is perpendicular to the imaginary connecting axis and that is continuous with the starting end of the slope of the end surface on the second facing portion side, and when the lid is in the maximum open position, the top surface on the first facing portion side and the first plane 5. The hinge mechanism according to claim 2, wherein the top surface on the side of the two opposing portions is in surface contact.   The hinge mechanism according to claim 5, wherein the pair of top planes are in contact with each other at a position where the lid is rotated at least 90 ° from a closed position toward a maximum open position. One of the first facing portion and the second facing portion is one, and the other is two so as to sandwich the one facing portion, and one end face on the one facing portion side, The facing state of the two facing portions facing the end surfaces is either a braking state in which the lids are brought into contact with each other to brake the lid or a non-braking state in which the lids are not braked. The opposing state of the other end surface on the one opposing portion side and the end surfaces on the two opposing portion sides facing this end surface are a braking state in which the lid contacts and brakes the lid, and a braking is applied to the lid. The pair of end faces on the one opposing portion side are mirror-symmetrical with respect to a virtual plane perpendicular to the virtual connecting axis and between the pair of end faces. A pair of opposed surfaces facing the pair of end surfaces on the one facing portion side. Surface, the hinge mechanism according to any one of the virtual plane claims 1 to 6 which is mirror-symmetrical shape with respect. In a device with a lid that is mounted on an automobile and the lid is connected to the main body via a hinge mechanism,
The lid according to claim 1 or a lidded instrument is connected to the body via a hinge mechanism according to any one of claims 7.

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