Push type knob
Technical Field
The utility model relates to a knob, in particular to a push-type knob.
Background
The knob is a manual element for manual rotation. The common knob in the market has a bidirectional rotation function, and is simple in structure and low in price. There is a knob which can be rotated bi-directionally and has a pressing function, but such a knob tends to be complicated in mechanical structure, troublesome in production and expensive. In order to overcome this current situation, it is necessary to design a knob that greatly reduces manufacturing costs and structural complexity, and that exhibits higher economy and practicality.
Disclosure of utility model
The utility model provides a push-type knob, which solves the problems of complex mechanical structure, troublesome production and high cost of the existing knob with bidirectional rotation and push-type functions.
The technical scheme of the utility model is realized as follows:
The utility model provides a push type knob, including the knob base, the inside hollow chamber that holds of knob base, hold the intracavity and be provided with the circuit board that reciprocates, push switch is installed to the bottom of circuit board, be provided with a plurality of elastic components between the interior bottom of circuit board and holding the chamber, the knob hole that accesss to holding the chamber has been seted up to the upper surface of knob base, the knob hole endotheca is equipped with rotatable and the knob that reciprocates, upwards cavity slotted hole has been seted up to the bottom of knob, be provided with the ring gear in the cavity slotted hole, install the encoder on the circuit board, install in the pivot of encoder with ring gear complex gear.
Preferably, the outer circumferential surface of the knob is provided with a limiting device for limiting the upper limit of the knob.
Preferably, the limiting device is a limiting ring, the limiting ring is sleeved on the outer circumferential surface of the knob, and the limiting ring is positioned below the knob hole.
Preferably, the outer circumferential surface of the knob is fixedly sleeved with a toothed ring, the upper surface of the toothed ring is provided with a circle of wavy grooves, the inner top surface of the accommodating cavity is fixedly provided with a V-shaped elastic latch matched with the grooves, and the tip of the V-shaped elastic latch is an arc-shaped end.
Preferably, the knob base comprises a lower base, the upper surface of the lower base is a concave accommodating cavity, a base panel is fixed on the upper surface of the lower base, and the knob hole is formed in the base panel.
Preferably, a plurality of screw hole columns are fixed on the lower base, a plurality of screw holes corresponding to the screw hole columns are formed in the base panel, and the lower base is fixedly connected with the base panel through screws.
Preferably, the elastic piece is a spring, a plurality of limit posts are fixed at the inner bottom of the lower base, the spring is sleeved outside the limit posts, limit post holes corresponding to the limit posts are formed in the circuit board, the diameter of each limit post hole is smaller than that of the spring, and the limit posts are sleeved in the limit post holes.
Preferably, the side of lower base has seted up a plurality of elastic sheet grooves, and the elastic sheet inslot is fixed with the elastic sheet, is provided with inwards protruding stopper on the inside wall of elastic sheet, and the stopper is used for limiting the upper limit of circuit board.
Preferably, the limiting block is a right triangle or a right trapezoid.
Preferably, the knob comprises a knob tube and a knob cover, wherein the knob cover is detachably arranged on the upper end face of the knob tube, and the hollow slotted hole is positioned in the knob tube.
The utility model has the beneficial effects of simple structure, simple production and low cost, has flexible bidirectional rotation and pressing operation functions, ensures the product performance, greatly reduces the manufacturing cost and the structural complexity, and reflects higher economy and practicability.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a perspective view of example 1;
FIG. 2 is a perspective view of embodiment 1 at another angle;
FIG. 3 is a perspective view of example 1 with the knob cover and base panel removed;
FIG. 4 is a top view of embodiment 1 with the knob cover and base panel removed;
FIG. 5 is a front view of embodiment 1 with the knob cover and base panel removed;
FIG. 6 is a perspective view of the knob of example 1;
FIG. 7 is a front view of the V-shaped elastic latch of embodiment 1;
fig. 8 is a perspective view of the circuit board in embodiment 1;
fig. 9 is a perspective view of the lower chassis of embodiment 1.
The reference numbers in the drawing are 1-knob base, 2-knob, 5-circuit board, 6-press switch, 11-lower base, 12-holding cavity, 13-base panel, 14-knob hole, 15-screw hole column, 16-limit column, 17-spring, 18-elastic sheet groove, 19-elastic sheet, 21-knob tube, 22-knob cover, 23-inner gear ring, 31-toothed ring, 32-V-shaped elastic latch, 33-groove, 34-arc end, 51-limit column hole, 52-encoder, 53-gear, 151-screw and 191-limit block.
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 be within the scope of the utility model.
Example 1
Referring to fig. 1-9, a push-type knob comprises a knob base 1, a hollow accommodating cavity 12 is arranged in the knob base 1, a circuit board 5 moving up and down is arranged in the accommodating cavity 12, a push switch 6 is arranged at the bottom of the circuit board 5, a plurality of elastic pieces are arranged between the circuit board 5 and the inner bottom of the accommodating cavity 12, a knob hole 14 leading to the accommodating cavity 12 is formed in the upper surface of the knob base 1, a knob 2 capable of rotating and moving up and down is sleeved in the knob hole 14, an upward hollow slotted hole is formed in the bottom of the knob 2, an inner gear ring 23 is arranged in the hollow slotted hole, an encoder 52 is arranged on the circuit board 5, and a gear 53 matched with the inner gear ring is arranged on a rotating shaft of the encoder 52.
Preferably, the outer circumferential surface of the knob 2 is fixedly sleeved with a toothed ring 31, the upper surface of the toothed ring 31 is provided with a circle of wavy grooves 33, the inner top surface of the accommodating cavity 12 is fixedly provided with a V-shaped elastic latch 32 matched with the grooves 33, and the tip of the V-shaped elastic latch 32 is an arc-shaped end 34.
Preferably, the knob base 1 includes a lower base 11, the upper surface of the lower base 11 is a concave accommodating cavity 12, a base panel 13 is fixed on the upper surface of the lower base 11, the knob hole 14 is opened on the base panel 13, and a V-shaped elastic latch 32 is fixed on the lower bottom surface of the base panel 13.
Preferably, a plurality of screw hole columns 15 are fixed on the lower base 11, a plurality of screw holes corresponding to the screw hole columns 15 are formed in the base panel 13, and the lower base 11 and the base panel 13 are fixedly connected through screws 151.
Preferably, the elastic member is a spring 17, a plurality of limiting posts 16 are fixed at the inner bottom of the lower base 11, the spring 17 is sleeved outside the limiting posts 16, limiting post holes 51 corresponding to the limiting posts 16 are formed in the circuit board 5, the diameter of the limiting post holes 51 is smaller than that of the spring 17, and the limiting posts 16 are sleeved in the limiting post holes 51.
Preferably, the side surface of the lower base 11 is provided with a plurality of elastic sheet grooves 18, an elastic sheet 19 is fixed in the elastic sheet grooves 18, and an inward protruding limiting block 191 is arranged on the inner side wall of the elastic sheet 19, and the limiting block 191 is used for limiting the upper limit of the circuit board 5.
Preferably, the limiting block 191 is a right triangle or a right trapezoid.
Preferably, the knob 2 includes a knob tube 21 and a knob cover 22, the knob cover 22 is detachably mounted on the upper end surface of the knob tube 21, and the hollow slot is located in the knob tube 21.
When the rotary knob 2 is required to rotate, the rotary knob 2 drives the annular gear 23 to rotate, the annular gear 23 drives the gear 53 to rotate, the encoder 52 obtains a signal through the rotation angle of the gear 53 and converts the signal into the rotation angle of the rotary knob 2, and clear and discernable order sense is introduced in the rotation process through the cooperation of the toothed ring 31 and the V-shaped elastic latch 32, so that a user can feel more accurate positioning feedback and can enjoy richer and satisfactory control experience and interaction sense. When the knob 2 is to be pressed, the knob 2 directly presses down, the circuit board 5 is driven by the knob 2 to move downwards against the elastic force of the spring 17, so that the pressing switch 6 is contacted with the bottom of the lower base 11, the knob 2 is reset under the elastic force of the spring 17 after the knob 2 is loosened.
The utility model has simple structure, simple production and low cost, has flexible bidirectional rotation and pressing operation functions, ensures the product performance, greatly reduces the manufacturing cost and the structural complexity, and reflects higher economy and practicability.
Example 2
The present embodiment differs from embodiment 1 in that the toothed ring 31 and the V-shaped elastic latch 32 are not employed, but a limiting means for limiting the upper limit of the knob is provided on the outer circumferential surface of the knob 2. The limiting device is a limiting ring, the limiting ring is sleeved on the outer circumferential surface of the knob, the limiting ring is located below the knob hole, the limiting ring is used for limiting the upper position of the knob 2, and the knob 2 is prevented from being separated from the knob hole 14.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.