Cover plate switching mechanism
Technical field
The invention belongs to switching mechanism technical field, particularly relate to a kind of cover plate switching mechanism.
Background technology
At present, the inside and outside decorative cover plate switching mechanism of the vehicles such as existing tractor typically uses hook locking type switching mechanism, it includes installation base plate, bearing pin installing plate, latch hook and cover plate, the side of installation base plate arranges rotary shaft, cover plate is installed in rotary shaft realization by crimp and rotates, being provided with bearing pin installing plate by securing member on opposite side on installation base plate, latch hook is by hinge on bearing pin installing plate, and latch hook has the operating portion stretching out installation base plate;It is provided for the boss of locking on cover plate, is used for mounting latch hook, when latch hook rotates to the lug boss position on cover plate, tangle the boss of cover plate, it is achieved the locking to cover plate.
But, above-mentioned hook locking type switching mechanism easily causes boss to break off relations with vehicle vibration, causes the inefficacy of locking;Further, owing to the operating portion of latch hook is overhanging, driver's medicated clothing etc. easily it is suspended to.
Summary of the invention
The technical problem to be solved is: provide a kind of cover plate switching mechanism, easily causes boss to break off relations with vehicle vibration solving existing hook locking type switching mechanism, and owing to the operating portion of latch hook is overhanging, is easily suspended to the technical problem of driver's medicated clothing.
For solving above-mentioned technical problem, the technical scheme is that cover plate switching mechanism, including installation base plate and cover plate, in definition mechanism, the first side and the second side are the both sides on above-below direction, the direction being perpendicular to above-below direction is left and right directions, and the left and right of described installation base plate the first side is respectively arranged at two ends with rotary shaft, and the two ends, left and right of described cover plate the first side offer slotted hole respectively, described slotted hole is vertically extending, and the constraint of each described rotary shaft is installed in the described slotted hole of correspondence;A track plates it is slidably fitted with in left-right direction on described installation base plate the second side, and be rotatablely equipped with on the second side of described installation base plate and deflect away from the switch thumb wheel that described installation base plate is arranged, described track plates is provided with the tooth bar matched with described switch thumb wheel, and the direction of described tooth bar extends in left-right direction;On described cover plate, the surface near described installation base plate is provided with boss, described track plates is provided with the track matched with described boss, described track has draw-in groove section and opening, in off position, the constraint of described boss is installed in described draw-in groove section, in open mode, described boss can be deviate from from described opening.
Improving as one, the dismountable installation clamp that is provided with in described installation base plate the second side, described track plates is slidably mounted on described installation clamp, and described switch thumb wheel rotates and is installed on described installation clamp.
As further improving, it is respectively provided on two sides with, on described installation clamp, the C-shaped channel extended in left-right direction up and down, the both sides up and down of described track plates are respectively inserted in described C-shaped channel, described installation clamp is provided with the opening extended in left-right direction, and described switch thumb wheel deflects away from described installation base plate from described opening part and arranges.
Improving as one, described boss is T-shaped boss, and described draw-in groove section includes the T-shaped draw-in groove in left and right and the T-shaped draw-in groove of tilted upward being connected in turn, and the T-shaped draw-in groove of described tilted upward connects described opening away from one end of the T-shaped draw-in groove in described left and right.
After have employed technique scheme, the invention has the beneficial effects as follows:
Owing to cover plate switching mechanism includes installation base plate and cover plate, described installation base plate be respectively arranged at two ends with rotary shaft, the two ends of described cover plate offer slotted hole respectively, the constraint of each described rotary shaft is installed in the described slotted hole of correspondence, thus cover plate both can rotate around rotary shaft, can move along the vertical direction again;Owing to have also been devised track plates and switch thumb wheel, track plates devises tooth bar and track, on the cover board devise boss, thus when rotating switch thumb wheel, switch thumb wheel and tooth bar are meshed, thus drive track plates to move in left-right direction, because in off position, boss constraint is installed in described draw-in groove section, and then cover plate is driven to move along installation base plate above-below direction, when boss moves to opening, just can deviate from from opening, thus open cover plate, when reversing plug thumb wheel, just boss can be made to enter draw-in groove section, thus realize the locking of mechanism.The cover plate switching mechanism that the present invention provides, simple in construction, reliability is high, can effectively prevent shaking the cover plate locking caused and lose efficacy, and will not be suspended to the medicated clothing etc. of driver.
Due to the dismountable installation clamp that is provided with in described installation base plate the second side, described track plates is slidably mounted on described installation clamp, and described switch thumb wheel rotates and is installed on described installation clamp, facilitates manufacture and installs.
Owing to being respectively provided on two sides with C-shaped channel up and down on described installation clamp, the both sides up and down of described track plates are respectively inserted in described C-shaped channel, are guided track plates by C-shaped channel, simple in construction.
Accompanying drawing explanation
Fig. 1 is the structural representation of embodiment of the present invention closed mode;
Fig. 2 is the structural representation of embodiment of the present invention opening;
Fig. 3 is the axonometric chart installing clamp;
Fig. 4 is the axonometric chart of track plates;
Fig. 5 is the axonometric chart at another visual angle of Fig. 4;
Fig. 6 is the axonometric chart of cover plate;
Fig. 7 is the axonometric chart of installation base plate;
In figure: 1, installation base plate, 11, rotary shaft, 2, cover plate, 21, slotted hole, 22, boss, 3, track plates, 31, tooth bar, 32, track, 321, draw-in groove section, 3211, the T-shaped draw-in groove in left and right, 3212, the T-shaped draw-in groove of tilted upward, 322, opening, 4, switch thumb wheel, 41, bearing pin, 5, clamp is installed, 51, C-shaped channel, 52, opening, 6, screw.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, the present invention is further elaborated.Should be appreciated that specific embodiment described herein, only in order to explain the present invention, is not intended to limit the present invention.
As Fig. 1 to Fig. 7 jointly shown in, a kind of cover plate switching mechanism, including installation base plate 1 and cover plate 2, in definition mechanism, the first side and the second side are the both sides on above-below direction, the direction being perpendicular to above-below direction is left and right directions, and the left and right of installation base plate 1 first side is respectively arranged at two ends with rotary shaft 11, and the two ends, left and right of cover plate 2 first side offer slotted hole 21 respectively, slotted hole 21 is vertically extending, and the constraint of each rotary shaft 11 is installed in the slotted hole 21 of correspondence;Installation base plate 1 second is slidably fitted with a track plates 3 on side in left-right direction, and on the second side of installation base plate 1, it is rotatablely equipped with the switch thumb wheel 4 deflecting away from installation base plate 1 setting, track plates 3 is provided with and switchs the tooth bar 31 that thumb wheel 4 matches, and the direction of tooth bar 31 extends in left-right direction;On cover plate 2, the surface near installation base plate 1 is provided with boss 22, and track plates 3 is provided with the track 32 matched with boss 22, and track 32 has draw-in groove section 321 and opening 322, in off position, boss 22 constraint is installed in draw-in groove section 321, and in open mode, boss 22 can be deviate from from opening 322.
Manufacture for convenience and install, installation base plate 1 second side is provided with installation clamp 5 by securing member is dismountable, and securing member is preferably screw 6, naturally it is also possible to for other securing members, track plates 3 is slidably mounted on installation clamp 5, and switch thumb wheel 4 is rotated by bearing pin 41 and is installed on installation clamp 5.
Install and be respectively provided on two sides with the C-shaped channel 51 extended in left-right direction up and down on clamp 5, the both sides up and down of track plates 3 are respectively inserted in C-shaped channel 51, installing clamp 5 and be provided with the opening 52 extended in left-right direction, switch thumb wheel 4 deflects away from installation base plate 1 at opening 52 and arranges.
In the present embodiment, boss 22 is T-shaped boss, draw-in groove section 321 includes the T-shaped draw-in groove in left and right 3211 and the T-shaped draw-in groove of tilted upward 3212 being connected in turn, the T-shaped draw-in groove of tilted upward 3212 connects opening 322 away from one end of the T-shaped draw-in groove in left and right 3211, by C-shaped channel 51, track plates 3 is guided, simple in construction.
Its work process is as follows:
As shown in Figure 1, during original state, T-shaped boss is positioned at the T-shaped draw-in groove in left and right 3211, now, switch thumb wheel 4 is positioned at the right side of track plates 3 upper rack 31, now mechanism is closed, when toggle switch thumb wheel 4 counterclockwise, owing to switch thumb wheel 4 and tooth bar 31 are meshed, thus drive track plates 3 to move to the right in clamp 5 is installed, owing to boss 22 constraint is installed in draw-in groove section 321, and then drive cover plate 2 to move down along installation base plate 1, when boss 22 moves to opening 322, just can deviate from from opening 322, as shown in Figure 2, now cover plate 2 can rotate along rotary shaft 11, thus open cover plate 2;Otherwise, when toggle switch thumb wheel 4 clockwise, cover plate 2 moves upward, and makes boss 22 enter draw-in groove section 321, thus realizes locking.
The cover plate switching mechanism that the embodiment of the present invention provides, simple in construction, reliability is high, can effectively prevent shaking the cover plate locking caused and lose efficacy, and will not be suspended to the medicated clothing etc. of driver.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all any amendment, equivalent and improvement etc. made within the spirit and principles in the present invention, should be included within the scope of the present invention.