Back mirror
Technical field
The present invention relates to vehicle body fittings field, more particularly, relate to a kind of back mirror.
Background technology
The situation at back mirror reflection automobile rear, make driver indirectly can see the situation at driving side and rear clearly when not affecting front view, it plays a part " second eye ", expands the field range of driver.Purposes is different, and mirror surface structure also can be different.General rear-vision mirror face mainly contains two kinds, and one is plane mirror, as the term suggests minute surface is flat, state with term is exactly " surface curvature radius R is infinitely great ", this is the same with general home-use mirror, can obtain the reflection identical with visual size, and this plane mirror is conventional does inside rear-view mirror.Another kind is convex mirror, and minute surface is shape spherically, has the radius of curvature varied in size, and its reflection is less than visual, but field range is large, and as the effect of camera " wide-angle lens ", this convex mirror is conventional does outside rear-view mirror and lower back mirror.
Existing back mirror comprises mount pad, mirror handle, light deflector, is directly arranged on mount pad by light deflector by mirror handle, and light deflector can be finely tuned at mirror handle, and adjusting angle is little, can not meet and regulate needs on a large scale, use inconvenience.
Summary of the invention
For the above-mentioned defect of prior art, technical matters to be solved by this invention be to provide a kind of can the back mirror of wide-angle, arbitrarily amplitude adjusted.
For achieving the above object, the invention provides following technical scheme: a kind of back mirror, comprise mount pad, mirror handle and be arranged on the light deflector on mirror handle top, described back mirror also comprises middleware, described middleware is installed on mount pad by the first axis of rotation, described mirror handle end is installed on middleware by the second axis of rotation, and described first rotating shaft is mutually vertical with the second rotating shaft.
Further be set to, one end of described first rotating shaft and the second rotating shaft is hexagonal nut and the other end is equipped with hexagonal groove.
Further be set to, described light deflector is rotated by eccentric wheel and is installed on mirror handle top, the cavity being communicated with its top and end is provided with in described mirror handle, the position that described cavity corresponds to top and end is equipped with packed-piston, and the packed-piston of described top and end is butted on described eccentric wheel and described middleware respectively mutually.
Further be set to, the cavity volume with two openings is provided with in described middleware, two described openings are equipped with the second packed-piston, and one of them described second packed-piston correspondence is butted on the packed-piston on described mirror handle top mutually and another the second packed-piston correspondence is butted on mount pad mutually.
Further be set to, described mount pad is provided with the detent corresponding to described second packed-piston.
Further be set to, described light deflector and mirror handle are when same straight line, and described eccentric radius maximum is butted on described packed-piston mutually, and described light deflector is vertical with mirror handle when bending, and the minimum place of described eccentric radius corresponds to described packed-piston.
Further be set to, described cavity or described cavity volume or be describedly filled with hydraulic oil in the two.
The present invention has following advantage: by increasing middleware, described middleware is installed on mount pad by the first axis of rotation, described mirror handle end is installed on middleware by the second axis of rotation, described first rotating shaft is mutually vertical with the second rotating shaft, make to realize universal adjustment between mirror handle and mount pad, adjusting angle is large, described light deflector is rotated by eccentric wheel and is installed on mirror handle top in addition, the cavity being communicated with its top and end is provided with in described mirror handle, the position that described cavity corresponds to top and end is equipped with packed-piston, the packed-piston of described top and end is butted on described eccentric wheel and described middleware respectively mutually, the cavity volume with two openings is provided with in described middleware, two described openings are equipped with the second packed-piston, one of them described second packed-piston correspondence is butted on the packed-piston on described mirror handle top mutually and another the second packed-piston correspondence is butted on mount pad mutually, fixing more convenient after making adjustment, do not need to use accessory appliances.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of back mirror of the present invention;
Fig. 2 is the enlarged diagram in the A portion of Fig. 1;
Fig. 3 is the back view schematic diagram that the present invention improves further;
Fig. 4 is the schematic diagram that in the preferred embodiments of the present invention, the second packed-piston is fixed on mount pad by detent;
Fig. 5 is the schematic diagram in the preferred embodiments of the present invention, mount pad being offered detent.
In figure: 1, mount pad; 2, light deflector; 3, mirror handle; 4, middleware; 31, the second rotating shaft; 41, the first rotating shaft; 32, packed-piston; 42, the second packed-piston; 6, the 3rd rotating shaft; 7, eccentric wheel.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described.Obviously, described embodiment is for implementing better embodiment of the present invention, and described description is to illustrate for the purpose of rule of the present invention, and is not used to limit scope of the present invention.Protection scope of the present invention should be as the criterion with the claim person of defining, and based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under the prerequisite not making creative work, all belongs to the scope of protection of the invention.
Shown in Fig. 3, embodiment is described further.
A kind of back mirror disclosed by the invention, comprise mount pad 1, mirror handle 3 and be arranged on the light deflector 2 on mirror handle 3 top, described back mirror also comprises middleware 4, described middleware 4 is rotated by the first rotating shaft 41 and is installed on mount pad 1, described mirror handle 3 end is rotated by the second rotating shaft 31 and is installed on middleware 4, and described first rotating shaft 41 is mutually vertical with the second rotating shaft 31.By increasing middleware 4, described middleware 4 is rotated by the first rotating shaft 41 and is installed on mount pad 1, described mirror handle 3 end is rotated by the second rotating shaft 31 and is installed on middleware 4, described first rotating shaft 41 is mutually vertical with the installation site of the second rotating shaft 31, make to realize universal adjustment between mirror handle 3 and mount pad 1, adjusting angle is large.
Further be set to, one end of described first rotating shaft 41 and the second rotating shaft 31 is hexagonal nut and the other end is equipped with hexagonal groove; Described middleware 4, described mirror handle 3 end and described mount pad 1 are provided with corresponding through hole, and each assembly is coordinated installation through described through hole by described first rotating shaft 41 and the second rotating shaft 31.When this is arranged so that fixing, can be rotated hexagonal nut or hexagonal groove by instrument, thus reach the object of stationary positioned.In addition, in other preferred embodiments, (each device has two to contact end face to the end face that described middleware 4 touches with described mirror handle 3 joining distal ends, namely have at most 4 end faces herein), described mount pad 1 and described middleware 4 contact end face (in the same manner as, each device has two to contact end face, namely have at most 4 end faces herein) on be also provided with adjustable positioning groove, for substantially suitable in angle, carry out fine motion adjustment time control single range of regulation exactly.Wherein, described adjustable positioning groove is preferably the radial concavo-convex groove evenly arranged on annular end face; On each end face positioning groove arrange interval can identical also can be different.Except for controlling except amount trimmed, when adjusting complete being fixed, the positioning grooves of two contact end faces intermesh, each assembly also can be made to combine more tight, avoid touching because of inertia or wiping waiting change door mirror angle.
Further be set to, described light deflector 2 is rotated by eccentric wheel 7 around the 3rd rotating shaft 6 thus realizes rotation and is installed on mirror handle 3 top, the cavity being communicated with its top and end is provided with in described mirror handle 3, the position that described cavity corresponds to top and end is equipped with packed-piston 32, and the packed-piston 32 of described top and end is butted on described eccentric wheel 7 and described middleware 4 respectively mutually.This technical scheme utilizes rotation light deflector 2 to drive eccentric wheel 7 fixing corresponding thereto to rotate, thus crush seal piston 32 drives the packed-piston 32 of the other end move and be butted on middleware 4 tightly mutually, and mirror handle 3 is fixed relative to middleware 4.This fixing means is simple and convenient, does not need accessory appliances.
Further be set to, the cavity volume with two openings is provided with in described middleware 4, two described openings are equipped with the second packed-piston 42, and one of them described second packed-piston 42 correspondence is butted on the packed-piston 32 on described mirror handle 3 top mutually and another the second packed-piston 42 correspondence is butted on mount pad 1 mutually.This technical scheme utilizes rotation light deflector 2 to be with movable eccentric wheel 7 to rotate, thus crush seal piston 32 drives the packed-piston 32 of the other end to move and the second packed-piston 42 be butted on tightly mutually on middleware 4 moves, another second packed-piston 42 on middleware 4 is forced to move and be butted on mount pad 1 tightly mutually, while making mirror handle 3 fixing relative to middleware 4, middleware 4 is also fixed relative to mount pad.Disposablely fix mirror handle 3 and middleware 4, this fixing means is simple and convenient, does not need accessory appliances.
Further as shown in Figure 4,5, described mount pad 1 is provided with the detent corresponding to described second packed-piston 42.Make fixing more firm between mount pad 1 of the second packed-piston 42, can not slippage.
Described light deflector 2 and mirror handle 3 are when same straight line, and described eccentric wheel 7 radius maximum is butted on described packed-piston 32 mutually, and described light deflector 2 is vertical with mirror handle 3 when bending, and the minimum place of described eccentric wheel 7 radius is corresponding to described packed-piston 32.This technical scheme makes to regulate hommization more, when needing the angle regulating light deflector 2, light deflector 2 is pulled folding vertical with mirror handle 3, this is that the minimum place of eccentric wheel 7 radius corresponds to described packed-piston 32, packed-piston 32 is not compacted, have the space of movement outward, make to loosen between mirror handle 3 and middleware 4, same principle also makes to loosen between middleware 4 and mount pad.
Relative to prior art, the invention provides one can freely regulated back mirror, by increasing middleware, adopts two mutual vertical rotation axle connection seats and mirror handle, make to realize universal adjustment between mirror handle and mount pad, adjusting angle be large, amplitude-controllable.
Above-mentioned explanation illustrate and describes some preferred embodiments of the present invention, but as previously mentioned, be to be understood that the present invention is not limited to the form disclosed by this paper, should not regard the eliminating to other embodiments as, and can be used for other combinations various, amendment and environment, and can in invention contemplated scope described herein, changed by the technology of above-mentioned instruction or association area or knowledge.And the change that those skilled in the art carry out and change do not depart from the spirit and scope of the present invention, then all should in the protection domain of claims of the present invention.