CN221067942U - Vehicle-mounted display - Google Patents

Abstract

The utility model provides a vehicle-mounted display, which comprises a shell, a liquid crystal screen and a control module, wherein the shell comprises a bottom shell and a face shell, the face shell is connected with the bottom shell to form a mounting cavity, the liquid crystal screen and the control module are electrically connected and are respectively arranged in the mounting cavity, and the face shell is provided with a yielding port corresponding to the display screen.

Description

Vehicle-mounted display

Technical Field

The utility model relates to the technical field of displays, in particular to a vehicle-mounted display with a selectable installation mode.

Background

The vehicle-mounted display is generally arranged on a vehicle center console so that a user can conveniently display parameter information of the vehicle through operation control, play audio and video after being connected with a terminal and the like.

In the prior art, a display carried by a vehicle is generally directly installed on a center console in an embedded mode, and the installation mode is not selective for users, and has the problems of high installation and disassembly difficulty, difficulty in replacing displays with different specifications and the like.

Disclosure of utility model

In view of this, it is necessary to provide an in-vehicle display that can be selectively installed according to the user's needs to meet the installation needs of the customer.

The utility model provides a vehicle-mounted display, which comprises a display main body, wherein the display main body comprises a shell, a liquid crystal screen and a control module, the shell comprises a bottom shell and a surface shell, the surface shell is connected with the bottom shell to form a mounting cavity, the liquid crystal screen and the control module are electrically connected and are respectively arranged in the mounting cavity, the surface shell is provided with a yielding port corresponding to the liquid crystal screen, one side of the bottom shell, which is far away from the surface shell, is provided with a connecting groove, the connecting groove can be connected with a bracket, the bracket is supported on a central console, the side surface of the surface shell is provided with a plurality of limiting grooves, the limiting grooves can be connected with the mounting shell, and the mounting shell is embedded on the central console.

Further, the mounting shell is provided with a mounting groove, and the display is arranged in the mounting groove, wherein an adaptive limiting protrusion is arranged on the inner side of the mounting groove corresponding to each limiting groove.

Furthermore, the mounting shell is provided with a yielding hole corresponding to each limiting protrusion, and each limiting protrusion is elastically connected in the yielding hole through at least one connecting arm.

Further, the bottom shell comprises a convex part and a plane part, the convex part is located at the middle position of the plane part, the convex part is provided with a first radiating hole, an outer radiating hole and an electric connection interface, the bottom shell is provided with an installation groove corresponding to the inner side of the convex part, the control module is arranged in the installation groove, the installation shell is provided with a plurality of first elastic limiting arms corresponding to the convex part, and a plurality of second elastic limiting arms and a plurality of second radiating holes corresponding to the plane part.

Further, a plurality of first fixing holes are further formed in the mounting shell, and the plurality of first fixing holes are used for being matched with the fixing piece to enable the mounting shell to be mounted on the center console.

Further, the bottom shell comprises a main shell and a limiting pressing plate, wherein the main shell is provided with a connecting groove, a limiting groove is formed in the limiting pressing plate, and the connecting groove is formed in the connecting groove by covering the limiting pressing plate.

Furthermore, a step surface is arranged in the connecting groove, and the limiting pressing plate is covered on the step surface.

Further, the support includes base, bracing piece and connector, the bracing piece is located the connector with between the base, wherein, be equipped with a plurality of second fixed orifices on the base, a plurality of the second fixed orifices are used for cooperating the mounting will the base is fixed on the well accuse mesa, the connector is kept away from the one end detachably of bracing piece is located in the spread groove.

Further, the connector comprises a limiting plate, a connecting rod, a first locking piece and an angle adjusting piece, one end of the connecting rod is connected with the angle adjusting piece, the other end of the connecting rod is connected with the limiting plate, the first locking piece is in threaded connection with the angle adjusting piece and the limiting plate, the connecting plate is arranged in the connecting groove, and the first locking piece is pressed on the limiting pressing plate.

Further, the angle adjusting piece includes first adjusting piece, second adjusting piece and second locking piece, first adjusting piece with the second adjusting piece sets up relatively and is formed with first connecting portion and second connecting portion, wherein, first connecting portion is including locating first end flank of tooth on the first adjusting piece and locating second end flank of tooth on the second adjusting piece, the connecting rod corresponds first connecting portion are equipped with the third connecting portion of looks adaptation, third connecting portion include with the third end flank of tooth looks adaptation of first end flank of tooth and with the fourth end flank of tooth looks adaptation of second end flank of tooth, second connecting portion include spacing chamber and locate spacing chamber medial surface's ring gear, the bracing piece corresponds second connecting portion is equipped with the fourth connecting portion of looks adaptation, fourth connecting portion for locating spacing intracavity and with the gear of ring gear looks adaptation, the second locking piece passes in proper order first adjusting piece, third connecting portion with second connecting portion will be connected to the bracing piece.

Compared with the prior art, the utility model has the beneficial effects that: according to the utility model, the connecting groove is formed in one side, far away from the surface shell, of the bottom shell, so that the connecting groove can be connected with the bracket, the bracket is supported on the center console, the display can be directly mounted on the center console, the plurality of limiting grooves are formed in the side surface of the surface shell, the mounting shell is connected with the mounting shell through the plurality of limiting grooves, and then the mounting shell is embedded on the center console, so that the display can be mounted in a manner of being embedded on the center console.

Drawings

FIG. 1 is a schematic diagram of an embodiment of an embedded mount of the present utility model.

Fig. 2 is a schematic view of an embodiment of the bracket mounting of the present utility model.

FIG. 3 is another angular schematic view of an embodiment of the embedded mount of the present utility model.

Fig. 4 is a schematic view of an embodiment of the mounting case of the present utility model.

Fig. 5 is another angular schematic view of an embodiment of the mounting case of the present utility model.

Fig. 6 is a schematic view showing a main body embodiment of the present utility model.

Fig. 7 is an exploded view showing a specific embodiment of the body of the present utility model.

Fig. 8 is another angular exploded view showing a body embodiment of the present utility model.

Fig. 9 is a schematic view of an embodiment of the stent of the present utility model.

Fig. 10 is an exploded view of an embodiment of the stent of the present utility model.

Fig. 11 is an exploded view of an embodiment of the connector of the present utility model.

Fig. 12 is a schematic view of an embodiment of the first and second adjustment members of the present utility model.

Fig. 13 is another angular schematic view of an embodiment of the first and second adjustment members of the present utility model.

Reference numerals illustrate:

The display 100, the display main body 10, the housing 20, the bottom case 21, the limit click protrusion 211, the connection groove 212, the protrusion 213, the flat portion 214, the mounting groove 215, the main case 216, the connection groove 2161, the step face 2162, the lock hole 2163, the limit pressing plate 217, the limit groove 2171, the face case 22, the relief opening 221, the limit click groove 222, the limit groove 223, the first heat dissipation hole 24, the outer release hole 25, the power connection interface 26, the liquid crystal panel 30, the control module 40, the control circuit board 41, the speaker 42, the bracket 50, the base 51, the second fixing hole 511, the support bar 52, the fourth connection portion 521, the connection head 53, the limit plate 531, the limit protrusion 5311, the connection bar 532, the third connection portion 5321, the third end tooth face 53211, the first lock member 533, the angle adjusting member 534, the first adjusting member 5341, the first end tooth face 53411, the second adjusting member 5342, the second end tooth face 53421, the second lock member 5343, the first connection portion 5344, the second connection portion 5345, the relief cavity 53451, the ring gear 53452, the inner gear housing 61, the mounting arm 61, the first heat dissipation arm 66, the first elastic arm 67, the elastic arm fixing hole 68, the second heat dissipation hole 67, the first elastic arm fixing hole 64, the third connection hole 53, the third connection arm 53, the elastic arm 53, and the third connection arm attachment arm 53.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to fall within the scope of the utility model. It is to be understood that the drawings are designed solely for the purposes of illustration and not as a definition of the limits of the utility model. The connection relationships shown in the drawings are for convenience of clarity of description only and are not limiting on the manner of connection.

It is noted that when one component is considered to be "connected" to another component, it may be directly connected to the other component, or intervening components may also be present. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. It should also be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless otherwise specifically defined and limited; either mechanically or electrically, or by communication between two components. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model.

It should also be noted that, in the description of the present utility model, the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or element to be referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

Referring to fig. 1-7, the present utility model provides a vehicle-mounted display 100, the display 100 includes a display main body 10, the display main body 10 includes a housing 20, a liquid crystal screen 30, and a control module 40, the housing 20 includes a bottom shell 21 and a face shell 22, the face shell 22 is connected with the bottom shell 21 to form a mounting cavity (not shown), the liquid crystal screen 30 and the control module 40 are electrically connected and respectively disposed in the mounting cavity, wherein the face shell 22 is provided with a yielding port 221 corresponding to the liquid crystal screen, and the liquid crystal screen 30 is located at the yielding port 221 to facilitate a user to perform a touch operation and display to the user.

In one embodiment, the face shell 22 is detachably connected with the bottom shell 21 by means of a locking screw.

In another embodiment, the surface shell 22 and the bottom shell 21 are detachably connected in a plugging manner.

Specifically, the surface shell 22 or the bottom shell 21 may be provided with a plurality of limiting slots 222, and the bottom shell 21 or the surface shell 22 may be provided with an adaptive limiting clip protrusion 211 corresponding to each limiting slot 222, and the limiting clip protrusion 211 is disposed in the limiting slot 222 to enable the surface shell 22 and the bottom shell 21 to be clamped together.

Further, a connection groove 212 is provided at a side of the bottom case 21 remote from the face case 22, the connection groove 212 may be connected to a stand 50, and the stand 50 is supported on a center console, so that the display 100 may be mounted in a manner of being supported on the hollow table.

The side of the face shell 22 is further provided with a plurality of limit grooves 223, a plurality of limit grooves 223 can be connected with the mounting shell 60, and the mounting shell 60 is embedded on the center console, so that the display 100 can also be mounted on the center console by the mounting shell 60 in an embedded manner.

That is, compared with the prior art, the display 100 provided by the present application has at least two mounting modes, wherein one mounting mode is supported on the center console by the bracket 50, and the other mounting mode is embedded on the center console by the mounting shell 60, so that the display 100 can be mounted in a corresponding mounting mode according to the requirement of the user, and the user can select.

Further, the mounting case 60 may also be provided with the connection groove 212, so that the display 100 may be directly connected to the stand 50 through the mounting case 60 and mounted on the center console through the stand 50.

Further, besides the fact that the user can select different installation modes when the user installs the display device initially, after the user completes installation, the user can change the installation modes according to requirements, and therefore the requirements that the user switches different installation modes to experience different display positions are met.

Further, the mounting case 60 has a mounting groove 61, and the display 100 is disposed in the mounting groove 61, where an adaptive limit protrusion 62 is disposed on an inner side of the mounting groove 61 corresponding to each limit groove 223.

In a specific embodiment, two limiting grooves 223 are respectively disposed on opposite sides of the housing 20, and four limiting protrusions 62 are correspondingly disposed on the inner side of the mounting groove 61.

Further, the mounting case 60 is provided with a relief hole 63 corresponding to each of the limiting protrusions 62, and each of the limiting protrusions 62 is elastically connected to the relief hole 63 by at least one connecting arm 64.

In one embodiment, each of the limiting projections 62 is resiliently coupled to the mounting housing 60 by a coupling arm 64.

In another embodiment, each of the limiting projections 62 is elastically coupled to the mounting case 60 by two of the coupling arms 64.

The provision of the resilient arms allows the spacing projections 62 to be more easily controlled so that they are more efficient both when the housing 20 is installed in the mounting housing 60 and when the housing 20 is removed from the mounting housing 60.

Referring to fig. 8-13 in combination with fig. 2, the bottom case 21 includes a protruding portion 213 and a planar portion 214, the protruding portion 213 is located at a middle position of the planar portion 214, a mounting groove 215 is formed on an inner side of the bottom case 21 corresponding to the protruding portion 213, and the control module 40 is disposed in the mounting groove 215.

The convex portion 213 is disposed, and the control module 40 is disposed in the mounting groove 215 corresponding to the convex portion 213, so as to increase the surface area of the bottom shell 21, so that heat generated when the control module 40 works can be dissipated more efficiently.

Further, the control module 40 includes a control circuit board 41 and a speaker 42, the protruding portion 213 is provided with a first heat dissipation hole 24, an outer discharge hole 25 and an electrical connection port 26, the outer discharge hole 25 is corresponding to the speaker 42, the electrical connection port 26 is electrically connected with the control circuit board 41, so that the electrical connection port 26 is connected with a power supply, and in addition, the heat dissipation efficiency can be further increased by setting the first heat dissipation hole 24, so that the service life of the control module 40 is prolonged.

Further, the mounting case 60 is provided with a plurality of first elastic limiting arms 65 corresponding to the protruding portions 213, and a plurality of second elastic limiting arms 66 and a plurality of second heat dissipating holes 67 corresponding to the planar portion 214.

Specifically, by providing the plurality of first elastic limiting arms 65 corresponding to the protruding portions 213 and providing the plurality of second elastic limiting arms 66 corresponding to the planar portions 214, and by the cooperation of the limiting protrusions 62 elastically connected by the connecting arms 64, the display main body 10 is not attached to the inner surface of the mounting groove 61 when being mounted in the mounting case 60, so that heat emitted by the display main body 10 during operation can be smoothly emitted, and stable mounting of the display main body 10 with different thickness specifications and/or different length and width specifications can be adapted, thereby improving adaptability of the mounting case 60.

Further, the mounting shell 60 is further provided with a plurality of first fixing holes 68, and the plurality of first fixing holes 68 are used for being matched with a fixing piece to mount the mounting shell 60 on the center console.

Specifically, the plurality of first fixing holes 68 are respectively spaced apart from each other, wherein the first fixing holes 68 may be circular holes; or may be an adjustable waist-shaped aperture to facilitate adjustment when the mounting housing 60 is mounted on the center console.

In one embodiment, the bottom case 21 includes a main case 216 and a limiting pressing plate 217, wherein the main case 216 is provided with a connecting groove 2161, the limiting pressing plate 217 is provided with a limiting groove 2171, and the limiting pressing plate 217 covers the connecting groove 2161 to form the connecting groove 212.

Wherein the limit groove 2171 has a width at least partially smaller than that of the coupling groove 2161, so that the coupling groove 212 can be in limit connection with the bracket 50.

Further, a step surface 2162 is disposed in the connecting recess 2161, and the limit pressing plate 217 is covered on the step surface 2162.

Preferably, the limiting pressing plate 217 is disposed on the step surface 2162 in a covering manner, and does not protrude from the surface of the main housing 216.

Specifically, the step surface 2162 is provided with a plurality of locking holes 2163, and the limit pressing plate 217 is respectively locked in the corresponding locking holes 2163 by a plurality of fixing members (not shown), so as to be detachably mounted on the step surface 2162.

Further, the stand 50 includes a base 51, a support rod 52, and a connector 53, where the support rod 52 is disposed between the connector S and the base 51, the connector 53 is used to connect with the display main body 10, and the base 51 is used to mount the display main body 10 on the center console.

Further, the base 51 is provided with a plurality of second fixing holes 511, the second fixing holes 511 are used for being matched with a fixing piece to fix the base 51 on the central control table, and one end of the connecting head 53 away from the supporting rod 52 is detachably arranged in the connecting groove 212, so that the connecting head 53 is connected with the display main body 10.

Further, the connector 53 includes a limiting plate 531, a connecting rod 532, a first locking member 533 and an angle adjusting member 534, one end of the connecting rod 532 is connected with the angle adjusting member 534, the other end of the connecting rod 532 is connected with the limiting plate 531, the first locking member 533 is in threaded connection with the connecting rod 532 and located between the angle adjusting member 534 and the limiting plate 531, wherein the connecting plate is disposed in the connecting slot 212, and the first locking member 533 is pressed on the limiting pressing plate 217.

Through with first locking member 533 threaded connection be in on the connecting rod 532, not only make first locking member 533 cooperate limiting plate 531 to press from both sides tightly spacing clamp plate 217 realize support 50 with show main part 10's fixed connection, and to the release of spacing clamp plate 217 realize support 50 with show main part 10's separation, can also be through adjusting first locking member 533 in the position on connecting rod 532 cooperates limiting plate 531 adaptation different thickness the clamping connection of spacing clamp plate 217.

Further, the limiting plate 531 is provided with two limiting protrusions 5311 corresponding to the limiting groove 2171, the two limiting protrusions 5311 are located at two sides of the connecting rod 532 at a certain distance, and when the limiting protrusions 5311 are arranged to enable the limiting plate 531 to clamp the limiting pressing plate 217 with the first locking member 533, the limiting protrusions 5311 can be limited in the limiting groove 2171, so that stability of connection between the limiting plate 531 and the first locking member 533 and the limiting pressing plate 217 is improved.

Further, the angle adjusting member 534 includes a first adjusting member 5341, a second adjusting member 5342 and a second locking member 5343, the first adjusting member 5341 and the second adjusting member 5342 are disposed opposite to each other and formed with a first connection portion 5344 and a second connection portion 5345, wherein the first connection portion 5344 includes a first end tooth surface 53411 provided on the first adjusting member 5341 and a second end tooth surface 53421 provided on the second adjusting member 5342, and a connection space (not shown) between the first end tooth surface 53411 and the second end tooth surface 53421.

The connecting rod 532 is provided with a third connecting portion 5321 corresponding to the first connecting portion 5344, the third connecting portion 5321 includes a third end tooth surface 53211 adapted to the first end tooth surface 53411 and a fourth end tooth surface (not shown) adapted to the second end tooth surface 53421, the third connecting portion 5321 is disposed in the connecting space and is engageable with the first end tooth surface 53411 under the action of the second locking member 5343, and the fourth end tooth surface is engageable with the second end tooth surface 53421.

Further, the second connection portion 5345 includes a limiting cavity 53451 and an inner gear ring 53452 disposed on an inner side surface of the limiting cavity 53451, where the inner gear ring 53452 may be continuous or discontinuous, the support rod 52 is provided with a fourth connection portion 521 corresponding to the second connection portion 5345, and the fourth connection portion 521 is a gear disposed in the limiting cavity 53451 and adapted to the inner gear ring 53452.

The second locking member 5343 connects the connection rod 532 and the support rod 52 through the first adjustment member 5341, the third connection portion 5321, and the second adjustment member 5342 in this order.

Specifically, the connection between the first connection portion 5344 and the third connection portion 5321 may enable the connection rod 532 to perform pitch adjustment with respect to the angle adjustment member 534, that is, enable the display main body 10 to perform pitch adjustment with respect to the base 51, so as to meet a pitch viewing angle requirement of a user, and the connection between the second connection portion 5345 and the fourth connection portion 521 may enable the angle adjustment member 534 to perform radial rotation adjustment with respect to the support rod 52, that is, enable the display main body 10 to perform rotation adjustment in a horizontal direction with respect to the base 51, so as to meet a horizontal rotation viewing angle requirement of a user.

Preferably, the first lock 533 and the second lock 5343 are both hand-screwed locks, so that the user can easily connect the stand 50 with the display main body 10 and adjust the angle of the display main body 10 with respect to the base 51 by hand.

In the description and claims of the present application, the words "comprise/comprising" and the words "have/include" and variations thereof are used to specify the presence of stated features, values, steps, or components, but do not preclude the presence or addition of one or more other features, values, steps, components, or groups thereof.

Some features of the utility model, which are, for clarity of illustration, described in the context of separate embodiments, may also be provided in combination in a single embodiment. Conversely, some features of the utility model, which are, for brevity, described in the context of a single embodiment, may also be provided separately or in any suitable combination in different embodiments.

The foregoing description of the preferred embodiment of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims (10)

1. The utility model provides a vehicle-mounted display, its characterized in that, the display includes the display main part, the display main part includes casing, LCD screen and control module, the casing includes drain pan and face-piece, the face-piece with the drain pan is connected and is formed with the installation cavity, LCD screen with control module electric connection and locate respectively in the installation cavity, the face-piece corresponds the LCD screen is equipped with the mouth of stepping down, wherein, the drain pan is kept away from one side of face-piece is equipped with the spread groove, the spread groove can be with leg joint, the support supports on well accuse bench, the side of face-piece is equipped with a plurality of spacing recesses, a plurality of spacing recesses can be connected with the installation shell, the installation shell inlays to be established well accuse bench.

2. The vehicle-mounted display according to claim 1, wherein the mounting shell is provided with a mounting groove, the display is arranged in the mounting groove, and an adaptive limiting protrusion is arranged on the inner side of the mounting groove corresponding to each limiting groove.

3. The vehicle-mounted display of claim 2, wherein the mounting shell is provided with a relief hole corresponding to each of the limiting protrusions, and each of the limiting protrusions is elastically connected in the relief hole through at least one connecting arm.

4. A vehicle-mounted display according to claim 3, wherein the bottom shell comprises a convex portion and a planar portion, the convex portion is located at a middle position of the planar portion, wherein the convex portion is provided with a first heat dissipation hole, an outer discharge hole and an electric connection interface, an installation groove is formed in an inner side of the bottom shell corresponding to the convex portion, the control module is arranged in the installation groove, a plurality of first elastic limiting arms are arranged on the installation shell corresponding to the convex portion, and a plurality of second elastic limiting arms and a plurality of second heat dissipation holes are arranged corresponding to the planar portion.

5. The vehicle-mounted display of claim 4, wherein the mounting housing is further provided with a plurality of first fixing holes, and the plurality of first fixing holes are used for being matched with a fixing piece to mount the mounting housing on the center console.

6. The vehicle-mounted display according to claim 1, wherein the bottom shell comprises a main shell and a limiting pressing plate, wherein the main shell is provided with a connecting groove, the limiting pressing plate is provided with a limiting groove, and the limiting pressing plate is covered on the connecting groove to form the connecting groove.

7. The vehicle-mounted display of claim 6, wherein a step surface is arranged in the connecting groove, and the limit pressing plate cover is arranged on the step surface.

8. The vehicle-mounted display of claim 7, wherein the bracket comprises a base, a supporting rod and a connector, the supporting rod is arranged between the connector and the base, a plurality of second fixing holes are formed in the base and used for being matched with a fixing piece to fix the base on the central control table board, and one end, away from the supporting rod, of the connector is detachably arranged in the connecting groove.

9. The vehicle-mounted display of claim 8, wherein the connector comprises a limiting plate, a connecting rod, a first locking piece and an angle adjusting piece, one end of the connecting rod is connected with the angle adjusting piece, the other end of the connecting rod is connected with the limiting plate, the first locking piece is in threaded connection between the angle adjusting piece and the limiting plate, the connecting plate is arranged in the connecting groove, and the first locking piece is pressed on the limiting pressing plate.

10. The vehicle-mounted display according to claim 9, wherein the angle adjusting member comprises a first adjusting member, a second adjusting member and a second locking member, the first adjusting member and the second adjusting member are oppositely arranged and are provided with a first connecting portion and a second connecting portion, the first connecting portion comprises a first end tooth surface arranged on the first adjusting member and a second end tooth surface arranged on the second adjusting member, the connecting rod is provided with a third connecting portion which is matched with the first connecting portion, the third connecting portion comprises a third end tooth surface which is matched with the first end tooth surface and a fourth end tooth surface which is matched with the second end tooth surface, the second connecting portion comprises a limiting cavity and a ring arranged on the inner side surface of the limiting cavity, the supporting rod is provided with a fourth connecting portion which is matched with the fourth connecting portion, the fourth connecting portion is a gear which is arranged in the limiting cavity and is matched with the ring, and the second locking member penetrates through the first adjusting member, the second adjusting member and the connecting rod sequentially.