CN209055871U - A kind of more gear adjusting buttons of potentiometer - Google Patents

Abstract

The utility model discloses a kind of more gear adjusting buttons of potentiometer, including rotary stall body, knob base, pcb board, potentiometer, the top of pcb board is provided with knob base, the bottom end of pcb board is provided with potentiometer, the bottom of rotary stall body covers on knob base, rotary stall physical efficiency is rotated around the axis of knob base, the bottom of rotary stall body is provided with the bolt extended straight down, first through hole is provided through on pcb board, bolt passes through first through hole and the adjusting shaft of potentiometer connects, and potentiometer and pcb board are electrically connected.That the purpose of this utility model is to provide a kind of degree of regulation is higher, more save space, assembling is simpler, the more gear adjusting buttons of the lower potentiometer of cost.

Description

A kind of more gear adjusting buttons of potentiometer

Technical field

The utility model relates to technical field of automobile accessories, in particular to a kind of more gear adjusting buttons of potentiometer.

Background technique

Now with the continuous development of automobile industry, the especially continuous development of passenger car and commercial vehicle in recent years, automobile Production firm and consumer made higher requirement the appearance and interior trim of automobile, especially for the sophistication of interior trim. The most of use of air-conditioning panel knob is controlled using potentiometer in automobile interior decoration at present, using gear drive, is set on knob Driving gear is counted, designs driven gear on potentiometer, rotational potentiometer is rotated using gear, is controlled by control current or voltage Air-conditioning processed.There are movement clearance and friction, rotational angles to be also easy to produce large error for gear transmission chain, causes degree of regulation low, and Components are more, and occupied space is larger, lead to higher cost.

Utility model content

The purpose of this utility model is to provide a kind of pressure sensors, to solve rotation mentioned above in the background art Angle is also easy to produce large error, and degree of regulation is low, the big problem of occupied space.

To achieve the above object, the utility model provides the following technical solutions: a kind of more gear adjusting buttons of potentiometer, packet Rotary stall body, knob base, pcb board, potentiometer are included, the top of the pcb board is provided with the knob base, the pcb board Bottom end is provided with potentiometer, and the bottom of the rotary stall body covers on the knob base, and the rotary stall physical efficiency is around the knob base The axis rotation of seat, the bottom of the rotary stall body is provided with the bolt extended straight down, and the is provided through on the pcb board One through-hole, the bolt pass through the first through hole and connect with the adjusting shaft of the potentiometer, the potentiometer and the PCB Plate is electrically connected.

Preferably, the knob base is connected by screw to the pcb board.

Preferably, the upper end of the rotary stall body is equipped with shell.

Preferably, the top of the shell is provided through mounting hole, and knob cap holder is inserted into the mounting hole, institute The top for stating knob cap holder is provided with knob cap.

Preferably, indicator light is provided on the wall surface of the shell.

Preferably, ecto-entad is disposed with the second through-hole, third through-hole, the rotation on the side wall of the knob base Shelves body bottom interior wall on along the circumferential direction on be provided with wave groove, second through-hole, the equal horizontal direction of the third through-hole Setting, second through-hole extend to the outer wall of the knob base, and second through-hole extends to the interior of the knob base Wall, the diameter of second through-hole are greater than the diameter of the third through-hole, are provided with spring, shift finger one in second through-hole End extends in the third through-hole across the spring, and the shift finger other end is stuck in the wave groove.

Compared with prior art, the utility model has the beneficial effects that a kind of the utility model potentiometer multi gear position is adjusted Button, including rotary stall body, knob base, pcb board, potentiometer, the top of pcb board are provided with knob base, and the bottom end of pcb board is set It is equipped with potentiometer, the bottom of rotary stall body covers on knob base, and rotary stall physical efficiency is rotated around the axis of knob base, the bottom of rotary stall body Portion is provided with the bolt extended straight down, and first through hole is provided through on pcb board, and bolt passes through first through hole and potentiometer The connection of adjusting shaft, potentiometer and pcb board are electrically connected.When automobile needs to adjust air-conditioning, rotary stall body, rotary stall can be manually rotated Body is rotated around knob base, drives bolt rotation, and bolt drives the adjusting shaft rotation of potentiometer, changes size of current, come Change the electric current on pcb board, the adjusting of the parameters such as Lai Shixian air-conditioner temperature, wind speed.Due to directly being driven by the rotation of rotary stall body The rotation of the adjusting shaft of electrokinetic potential device realizes the nonpolarity adjusting of gear, reduces intermediate transmission chain, so that potentiometer The rotation angle for adjusting shaft is more accurate, improves degree of regulation, and driving member is few, and adjustment member is arranged in knob Portion also saves space, so that packaging technology is simpler, reduces cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model.

Fig. 2 is the partial enlarged view in the utility model at A.

Fig. 3 is the scheme of installation of the utility model.

Fig. 4 is the structural schematic diagram of wave groove in the utility model

In figure: 1- knob cap；2- knob cap holder；3- shell；4- rotary stall body；5- knob base；6- spring；7- gear Pin；8-PCB plate；9- potentiometer；10- bolt；11- first through hole；The second through-hole of 12-；13- third through-hole；15- wave groove.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

As shown in Figs 1-4, the utility model provides a kind of more gear adjusting buttons of potentiometer, including rotary stall body 4, knob Pedestal 5, pcb board 8, potentiometer 9, the top of the pcb board 8 are provided with the knob base 5, the bottom end setting of the pcb board 8 There is potentiometer 9, the bottom of the rotary stall body 4 covers on the knob base 5, and the rotary stall body 4 can be around the knob base 5 Axis rotation, the bottom of the rotary stall body 4 is provided with the bolt 10 extended straight down, and the is provided through on the pcb board 8 One through-hole 11, the bolt 10 pass through the first through hole 11 and connect with the adjusting shaft of the potentiometer 9, the potentiometer 9 It is electrically connected with the pcb board 8.

The working principle and technical effect of above-mentioned technical proposal: when automobile needs to adjust air-conditioning, it can be manually rotated rotary stall body 4, rotary stall body 4 is rotated around knob base 5, and bolt 10 is driven to rotate, and bolt 10 drives the adjusting shaft rotation of potentiometer 9, is changed Time-dependent current size, to change the electric current on pcb board 8, the adjusting of the parameters such as Lai Shixian air-conditioner temperature, wind speed.Due to passing through rotary stall The rotation of body 4 directly drives the rotation of the adjusting shaft of potentiometer 9, realizes the nonpolarity adjusting of gear, reduces centre Transmission chain improves degree of regulation so that the rotation angle that potentiometer 9 adjusts shaft is more accurate, and driving member is few, and adjusts Component is arranged inside knob, also saves space, so that packaging technology is simpler, reduces cost.

Preferably, the knob base 5 is connected by screw to the pcb board 8, and the disassembly of knob base 5 is facilitated to install.

Preferably, the upper end of the rotary stall body 4 is equipped with shell 3, and shell can play the role of protecting rotary stall body, prevents ash The entrance of dirt, improves service life.

Preferably, the top of the shell 3 is provided through mounting hole, and knob cap holder 2 inserts in the mounting hole, The top of the knob cap holder 2 is provided with knob cap 1, and knob cap holder 2 plays the role of supporting knob cap 1, knob cap 1 Top end surface is smooth, for stamping some adjusting temperature, the mark of wind speed.

Preferably, it is provided with indicator light on the wall surface of the shell 3, is provided with battery on the inner wall of shell 3, for finger Show that lamp provides electric energy, indicator light is used to identify the angle of rotation.

Preferably, ecto-entad is disposed with the second through-hole 12, third through-hole 13 on the side wall of the knob base 5, In the bottom interior wall of the rotary stall body 4 along the circumferential direction on be provided with wave groove 15, second through-hole 12, the third through-hole 13 is horizontally arranged, and second through-hole 12 extends to the outer wall of the knob base 5, and second through-hole 12 extends to The inner wall of the knob base 5, the diameter of second through-hole 12 are greater than the diameter of the third through-hole 13, second through-hole Spring 6 is provided in 12,7 one end of shift finger passes through the spring 6 and extends in the third through-hole 13,7 other end of shift finger It is stuck in the wave groove 15, the end face of the second through-hole 12 plays the role of limiting shift finger displacement.Air-conditioning knob in order to prevent It has been adjusted that, because of jolting in car running process, lead to the rotation of knob, the application devises gear fixed structure, when turn When dynamic rotary stall body 4 is adjusted, wave groove 15 forces shift finger 7 to be moved to the left, and compressed spring 6, when crossing a wave groove most After high point, under the action of 6 elastic force of spring, shift finger 7 moves right, and is stuck in next groove, so that knob base 5 is not easy It rotates, jolting, shaking the rotation for being not enough to cause knob base 5 in running car, only user can just rotate manually Knob base 5 carries out the adjusting of gear, improves the reliability of adjusting knob.Gear is settable multiple, adjusts wave as needed The quantity of groove, the air-conditioning parameter that just can be carried out multi gear position are adjusted.

In the description of the present invention, it should be understood that term " coaxial ", " bottom ", " one end ", " top ", " in The orientation of the instructions such as portion ", " other end ", "upper", " side ", " top ", "inner", " front ", " center ", " both ends " or position are closed System is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing the present invention and simplifying the description, rather than The device or element of indication or suggestion meaning must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot It is construed as a limitation of the present invention.

In addition, term " first ", " second ", " third ", " the 4th " are used for description purposes only, and should not be understood as instruction or It implies relative importance or implicitly indicates the quantity of indicated technical characteristic, define " first ", " second ", " the as a result, Three ", the feature of " the 4th " can explicitly or implicitly include at least one of the features.

In the present invention unless specifically defined or limited otherwise, term " installation ", " setting ", " connection ", " Gu Calmly ", the terms such as " being screwed on " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral； It can be mechanical connection, be also possible to be electrically connected；It can be directly connected, can also indirectly connected through an intermediary, it can be with It is the interaction relationship of the connection or two elements inside two elements, unless otherwise restricted clearly, for this field For those of ordinary skill, the concrete meaning of above-mentioned term in the present invention can be understood as the case may be.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of more gear adjusting buttons of potentiometer, it is characterised in that: including rotary stall body (4), knob base (5), pcb board (8), The top of potentiometer (9), the pcb board (8) is provided with the knob base (5), and the bottom end of the pcb board (8) is provided with electricity Position device (9), the bottom of the rotary stall body (4) cover on the knob base (5), and the rotary stall body (4) can be around the knob base The axis rotation of seat (5), the bottom of the rotary stall body (4) is provided with the bolt (10) extended straight down, the pcb board (8) On be provided through first through hole (11), the bolt (10) pass through the first through hole (11) and the potentiometer (9) tune Shaft connection is saved, the potentiometer (9) and the pcb board (8) are electrically connected.

2. the more gear adjusting buttons of a kind of potentiometer according to claim 1, it is characterised in that: the knob base (5) It is connected by screw to the pcb board (8).

3. the more gear adjusting buttons of a kind of potentiometer according to claim 1, it is characterised in that: the rotary stall body (4) Upper end is equipped with shell (3).

4. the more gear adjusting buttons of a kind of potentiometer according to claim 3, it is characterised in that: the top of the shell (3) End is provided through mounting hole, and knob cap holder (2) inserts in the mounting hole, and the top of the knob cap holder (2) is set It is equipped with knob cap (1).

5. the more gear adjusting buttons of a kind of potentiometer according to claim 3, it is characterised in that: the wall of the shell (3) Indicator light is provided on face.

6. the more gear adjusting buttons of a kind of potentiometer according to claim 1, it is characterised in that: the knob base (5) Side wall on ecto-entad be disposed with the second through-hole (12), third through-hole (13), in the bottom interior wall of the rotary stall body (4) It being provided on along the circumferential direction wave groove (15), second through-hole (12), the third through-hole (13) are horizontally arranged, Second through-hole (12) extends to the outer wall of the knob base (5), and second through-hole (12) extends to the knob base The inner wall of seat (5), the diameter of second through-hole (12) are greater than the diameter of the third through-hole (13), second through-hole (12) It is inside provided with spring (6), shift finger (7) one end passes through the spring (6) and extends in the third through-hole (13), shift finger (7) other end is stuck in the wave groove (15).