CN215988553U - Special-shaped waterproof pressing knob switch with display function - Google Patents

Abstract

The utility model relates to a special-shaped waterproof pressing knob switch with a display function, which comprises a waterproof base, a cover plate, a special-shaped rotating assembly, a special-shaped pressing assembly, a screen assembly, an elastic assembly and a plug-in circuit board, wherein the waterproof base is provided with a waterproof groove; the special-shaped pressing assembly is arranged in the special-shaped rotating assembly in a vertically sliding mode and can rotate along with the special-shaped rotating assembly, a sliding block in the special-shaped pressing assembly is matched with a groove formed in the encoder in a partition mode through ribs, the ribs and the groove in the upper section and the lower section are vertically matched, and the ribs and the groove in the middle section are in inclined matching; through the structure, the push knob switch has the advantages of good operation hand feeling and simple manufacturing and assembling process.

Description

Special-shaped waterproof pressing knob switch with display function

Technical Field

The utility model relates to the field of control switches, in particular to a special-shaped waterproof push knob switch with a display function.

Background

With the continuous updating of scientific technology, people have higher and higher pursuit of appearance and aesthetic, and electronic products are updated and iterated rapidly, wherein control switches in various shapes need to be used. Most of circular rotary switches in the prior art are commonly used switch control products, and are applied to products such as treadmills, rowing machines, household appliances, smart homes, automobile air conditioner controllers and the like. The signal is transmitted to the circuit board by rotating the knob or pressing a key in the knob, so that the functions of adjusting, opening or closing the position and the direction of the equipment and the like are realized. The special-shaped press knob switch has the advantages that the number of internal parts is large, the whole structure is complex, the installation and the processing are inconvenient, the production cost is high, meanwhile, the pressing structure with the screen part in the middle often has an obvious shaking phenomenon, the control stability is influenced, and the use experience of a user is reduced.

For example, patent application No. CN201811174609.5 provides a control knob that includes a mounting seat; the first shell is arranged on the mounting seat and can rotate relative to the mounting seat; the first control assembly is connected with the first shell and sends out an instruction through the motion state of the first shell; the first screen is arranged on the mounting seat, electrically connected with the first control assembly, provided with an avoiding hole on the first shell, located in the avoiding hole and used for displaying data. And the application number is "CN 201220193573.7" patent provides a knob subassembly, it includes knob overcoat and knob support, set up the revolute pair between knob overcoat and knob support, be provided with a key cap in the knob overcoat, be equipped with axial slip pair between key cap and the knob support, be equipped with between the outer circumference of cylinder body in the key cap and interior circle enclosure and be on a parallel with axial direction muscle and guide way to realize the fixed connection of circumference, be on a parallel with the axial on the outer circumference of excircle enclosure and be provided with the spacing muscle of more than three numbers, the outside of the radial cross section of spacing muscle is the circular arc, the circular arc is tangent with the interior circle axial plane of knob overcoat.

In the above technical scheme, the following disadvantages exist: the outward appearance is single, the knob part is various, the structure is complicated and not waterproof, and processing cost is high, difficult dismouting, and wherein all rely on the longer vertical muscle strip of length and the longer vertical groove of length to cooperate, and button part can push down rocking of structure in the middle of the control that can not be fine, adopts the spring to provide for the middle screen part can push down the structure and feel simultaneously, experiences relatively poorly. This kind of structure is not carrying out under the prerequisite of structural change, if will reduce rocking of knob, and the precision that requires the mould man-hour is high, improvement product manufacturing cost that can be very big, and above-mentioned knob structure is too complicated, is unfavorable for installation processing.

SUMMERY OF THE UTILITY MODEL

In order to overcome the defects in the prior art, the utility model provides the special-shaped waterproof pressing knob switch with the display function, which is simple in structure, wide in application scene, easy to assemble and disassemble, capable of greatly reducing the shaking of the knob, greatly reducing the production cost and bringing good use experience to customers. The technical scheme of the utility model is as follows:

the utility model discloses a special-shaped waterproof pressing knob switch with a display function, which comprises a waterproof base, a cover plate, a special-shaped rotating assembly, a special-shaped pressing assembly, a screen assembly, an elastic assembly, a plug-in circuit board and an encoder, wherein the encoder is rotatably arranged on the plug-in circuit board;

the plug-in circuit board is assembled in the waterproof base, the cover plate is assembled at the bottom of the waterproof base, and the screen assembly is electrically connected with the plug-in circuit board; the special-shaped rotating assembly is rotatably arranged on the plug-in circuit board, the special-shaped pressing assembly is arranged in the special-shaped rotating assembly, and the special-shaped pressing assembly can slide up and down in the special-shaped rotating assembly and can also synchronously rotate along with the rotation of the special-shaped rotating assembly;

the special-shaped pressing assembly comprises a special-shaped key, a special-shaped key seat and a sliding block; the special-shaped rotating assembly comprises a special-shaped knob and a knob bracket; the special-shaped key is fixedly arranged on the special-shaped key seat, the sliding block is arranged at the lower end of the special-shaped key seat, the screen assembly is arranged between the special-shaped key seat and the sliding block, the special-shaped key seat is in up-and-down sliding fit in the knob support through a buckle and a sliding table, the lower end of the elastic assembly is assembled on the plug-in circuit board, the upper end of the elastic assembly is matched with the lower end of the sliding block, and the sliding block and the special-shaped key seat are always in contact with each other in a laminating manner and can slide relative to each other through the elasticity of the elastic assembly; the special-shaped knob is fixedly arranged outside the knob bracket, and the encoder is fixedly assembled inside the knob bracket;

the periphery of the lower end of the sliding block is matched with grooves formed in the inner hole wall of the encoder in a subsection mode through ribs which are uniformly arranged, the grooves in the upper section of the subsection and the lower section of the subsection, which are formed on the sliding block, are vertically matched with the grooves in the encoder), and the ribs in the middle section of the subsection are matched with the grooves in the encoder in an inclined mode.

Furthermore, the special-shaped key is fixedly connected to the special-shaped key seat through 3M glue, the screen assembly is arranged in a groove in the upper end of the sliding block, the lower end face of the screen assembly is bonded with the upper end face of the foam, and the lower end face of the foam is bonded with the upper end face of the groove of the sliding block; the plug-in circuit board is assembled in the waterproof base through a buckle.

Furthermore, the cross sections of the sliding block and the knob support are both of a T-shaped hollow structure, and a circle of circular ring is arranged on the lower plane of the special-shaped key seat and is attached to the outer peripheral surface of the sliding block in a friction mode.

Further, the lower end of the knob support is provided with a boss at the matching position with the special-shaped knob, the upper end of the knob support is matched with the inner face of the special-shaped knob through a set triangular rib, the upper end of the knob support is matched with a rib arranged on the special-shaped knob through a set hole, and the lower end of the knob support is fastened on an encoder on the plug-in circuit board through a buckle.

Furthermore, the rib on the slider in the upper segment section and the groove on the encoder on the plug-in board are in vertical precise fit, both are not in die drawing, the fit clearance is 0.05mm, the rib on the slider in the middle segment section and the groove on the encoder on the plug-in board are in inclined fit, both are in die drawing, the fit clearance is 0.3mm, the rib on the slider in the lower segment section and the groove on the encoder on the plug-in board are in vertical precise fit, both are not in die drawing, and the fit clearance is 0.05 mm.

Furthermore, the lower end of the sliding block is provided with a plurality of small planes, the lower end of the elastic component is assembled and connected onto the plug-in circuit board through a taper structure, the upper end of the elastic component is provided with a plurality of bowl-shaped structures, and the bowl-shaped structures are matched with the end faces of the small planes arranged at the lower end of the sliding block.

Furthermore, water outlets are distributed on the knob support, and a circle of water retaining ribs are arranged at the lower end of each water outlet along the water outlets; the waterproof structure is characterized in that a circle of built-in ribs are arranged at the upper end of the waterproof seat, the built-in ribs are assembled inside the waterproof ribs, and the built-in ribs and the waterproof ribs are in clearance fit to form a waterproof structure.

In addition, as an alternative, the shaped knob is not tightly mounted outside the knob bracket, but is tightly mounted on the shaped key holder so as to be movable up and down together with the pressing assembly.

Compared with the prior art, the special-shaped waterproof pressing knob switch with the display function has the advantages that the structure is simple, attractive, compact and reasonable, the dismounting and the mounting are convenient, the operation is easy, and the up-and-down movement and the rotation movement are realized by arranging the special-shaped keys in the rotating bracket to slide; the pressing component adopts the matching of the sectional ribs and the sectional grooves to control the shaking of the pressing structure of the screen part in the middle, thereby greatly reducing the precision of the product to the manufacturing die and further reducing the product cost; meanwhile, the elastic component is adopted, the structure can be pressed down to provide hand feeling for the screen part in the middle, and the use experience of a user is greatly improved.

Drawings

FIG. 1 is a schematic view of the whole structure of the push knob switch;

FIG. 2 is an exploded view of the push button switch;

FIG. 3 is a cross-sectional view of the push knob switch construction;

fig. 4 is a schematic diagram of a matching structure among the special-shaped key base, the slider and the rotating bracket in the push knob switch.

Fig. 5 is a sectional view of the fitting structure of the rotary bracket and the waterproof seat in the push knob switch.

Fig. 6 is a schematic view of the special-shaped key seat in the push button switch.

Fig. 7 is a schematic view of a rotary bracket in the push knob switch.

Fig. 8 is a schematic view of the waterproof seat of the push knob switch.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to the accompanying drawings and examples. It should be noted that the implementations not shown or described in the drawings are in a form known to those of ordinary skill in the art.

Example 1

As shown in fig. 1 to 5, the special-shaped waterproof push button switch with a display function of the utility model comprises a waterproof base 10, a cover plate 11, a special-shaped rotating component, a special-shaped push component, a screen component 3, an elastic component 9, a plug-in circuit board 12 and an encoder 12-1 arranged on the plug-in circuit board 12.

The plug-in circuit board 12 is assembled in the waterproof base 10 through 4 buckles, an encoder 12-1, a connector, a capacitance resistor and other electronic components are rotatably arranged on the plug-in circuit board 12, and the screen assembly 3 is electrically connected with the plug-in circuit board 12. The special-shaped rotating assembly is rotatably arranged on the plug-in circuit board 12, the special-shaped pressing assembly is arranged in the special-shaped rotating assembly, and the special-shaped pressing assembly can slide up and down in the special-shaped rotating assembly and can rotate synchronously along with the rotation of the special-shaped rotating assembly.

The special-shaped pressing component comprises a special-shaped key 1, a special-shaped key seat 5 and a sliding block 6; the special-shaped rotating assembly comprises a special-shaped knob 7 and a knob bracket 8. The special-shaped key 1 is adhered to the special-shaped key seat 5 through 3M glue 2, the sliding block 6 is arranged at the lower end of the special-shaped key seat 5, the screen assembly 3 is arranged in a groove at the upper end of the sliding block 6, the lower end face of the screen assembly 3 is adhered to the upper end face of the foam 4 through glue, and the lower end face of the foam 4 is adhered to the upper end face of the groove of the sliding block 6 through glue; the special-shaped key base 5 is vertically and slidably matched in the knob support 8 through a buckle and a sliding table, and specifically, the special-shaped key base 5 is slidably assembled in the knob support 8 through 3 buckles and 6 sliding grooves; set up the laminating of round smooth muscle and 6 up end ring grooves of slider below the dysmorphism key base 5, dysmorphism key base 5 and 6 frictional motion of slider during the rotation. The special-shaped knob 7 is tightly installed outside the knob support 8, the encoder 12-1 is tightly assembled inside the knob support 8, specifically, the special-shaped knob 7 is in interference fit with a triangular rib on the knob support 8 and is assembled with a rib on the special-shaped knob 7 and a buckle of the knob support 8, and the special-shaped knob 7 is tightly matched and connected with the encoder 12-1 through the knob support 8; from this, through rotating special-shaped knob 7, and then drive knob support 8 and rotate, knob support 8 drives the encoder on the plug-in components circuit board 12 and rotates, and the chip identification signal on the plug-in components circuit board 12 is with corresponding signal output on screen subassembly 3 again. Specifically, the cross sections of the sliding block 6 and the knob support 8 are both of a T-shaped hollow structure, and a circle of circular ring 8-1 is arranged on the knob support 8 and is attached to the outer peripheral surface of the sliding block 6 to perform friction motion.

The lower end of the elastic component 9 is assembled on the plug-in circuit board 12, the upper end of the elastic component 9 is matched with the lower end of the sliding block 6, and the sliding block 6 and the special-shaped key seat 5 are always attached and contacted and can slide mutually through the elasticity of the elastic component 9; specifically, 6 lower extremes of slider evenly are provided with 2 facets, and the elasticity subassembly 9 lower extreme is assembled the downthehole that corresponds on plug-in components circuit board 12 through 2 department's taper structures to ensure that elasticity subassembly 9 does not deviate from, and elasticity subassembly 9 upper end is provided with 2 department bowl form structures simultaneously, and these 2 department bowl form structures cooperate with the terminal surface of 2 facets that the 6 lower extremes of slider set up respectively, when the terminal surface that receives 2 facets that the 6 lower extremes of slider set up extrudees, the bowl form structure on the elasticity subassembly 9 takes place to warp and can produce the restoring force.

In addition, the periphery of the lower end of the sliding block 6 is matched with a groove arranged on the inner hole wall of the encoder 12-1 in a sectional manner through uniformly arranged ribs, the ribs on the sliding block 6 in the upper section and the lower section of the section are vertically matched with the groove on the encoder 12-1, and the ribs on the sliding block 6 in the middle section are obliquely matched with the groove on the encoder 12-1; specifically, 4 ribs are uniformly arranged on the periphery of the lower end of the sliding block 6, grooves matched with the ribs are correspondingly arranged on the inner hole wall of the encoder 12-1, the matching of the ribs and the grooves is sectional matching, the upper section is divided into an upper section, a middle section and a lower section, ribs on the sliding block 6 in the upper section are vertically and precisely matched with grooves on the encoder 12-1 on the plug-in circuit board 12, the ribs and the grooves are not in die drawing, the fit clearance is 0.05mm, the ribs and the grooves on the encoder 12-1 on the plug-in circuit board 12 in the middle section are in inclined fit, the ribs and the grooves are in die drawing, the fit clearance is 0.3mm, the ribs and the grooves on the encoder 12-1 on the sliding block 6 and the plug-in circuit board 12 in the lower section are vertically and precisely matched, the ribs and the grooves are not in die drawing, the fit clearance is 0.05mm, and therefore the sliding block 8 can slide up and down along the inner hole wall of the encoder 12-1. The height of each section, the gap between each section and the inclination of the middle section can be expanded and set differently according to the actual structural size of the knob switch. Therefore, the special-shaped key 1 is pressed, the special-shaped key base 5, the screen assembly 3 and the sliding block 6 are driven to move downwards along the inner hole of the encoder 12-1 through the special-shaped key 1, the 2-position small plane arranged at the lower end of the sliding block 6 extrudes the 2-position bowl-shaped structure at the upper end of the elastic assembly 9 through the end face, the 2-position bowl-shaped structure on the elastic assembly 9 moves downwards, and the bowl-shaped structure deforms at the moment; subsequently, the 2 small planes arranged at the lower end of the sliding block 6 are subjected to restoring force generated by the 2 bowl-shaped structures on the elastic component 9, and under the action of the restoring force, the sliding block 6 drives the screen component 3, the special-shaped key seat 5 and the special-shaped key 1 to move upwards together until the 2 bowl-shaped structures on the elastic component 9 restore to the initial state.

In order to realize the waterproof function, a water outlet 8-2 is further distributed on the knob support, and a circle of water retaining ribs 8-3 are arranged at the lower end of the water outlet along the water outlet; the upper end of the waterproof seat 10 is provided with a circle of built-in ribs 10-1, the built-in ribs 10-1 are assembled inside the waterproof ribs 8-3, and the built-in ribs and the waterproof ribs are in clearance fit to form a waterproof structure.

The working process of the utility model is as follows:

the special-shaped knob 7 is rotated, the knob support 8 is driven to rotate through the special-shaped knob 7, then the knob support 8 drives the encoder 12-1 on the plug-in circuit board 12 to rotate, the chip on the plug-in circuit board 12 identifies signals, and then the corresponding signals are output to the screen assembly 3.

Pressing the special-shaped key 1, driving the special-shaped key seat 5, the screen component 3 and the sliding block 6 to move downwards along an inner hole of the encoder 12-1 through the special-shaped key 1, extruding the bowl-shaped structure at the position 2 at the upper end of the elastic component 9 by the small plane at the position 2 arranged at the lower end of the sliding block 6, and moving the bowl-shaped structure at the position 2 at the upper end of the elastic component 9 downwards to generate deformation so as to be in contact conduction with a corresponding golden finger on the plug-in circuit board 12, identifying and conducting a chip on the plug-in circuit board 12, and outputting a corresponding signal to the screen component 3; when the special-shaped key 1 is released, the elastic component 9 jacks up the sliding block 6, the screen component 3, the special-shaped key seat 5 and the special-shaped key 1 to reset.

Example 2

In the scheme, the special-shaped knob 7 is not tightly installed outside the knob support 8, but is tightly installed on the special-shaped key seat 5, so that the special-shaped knob and the pressing component can move up and down together. Other structures and working processes are the same as or very similar to those of embodiment 1, and are not described herein again.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, but rather as the subject matter of any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention.

Claims (8)

1. The utility model provides a waterproof function of showing in dysmorphism presses knob switch which characterized in that: the device comprises a waterproof base (10), a cover plate (11), a special-shaped rotating assembly, a special-shaped pressing assembly, a screen assembly (3), an elastic assembly (9), a plug-in circuit board (12) and an encoder (12-1) which is rotatably arranged on the plug-in circuit board (12);

the plug-in circuit board (12) is assembled in the waterproof base (10), the cover plate (11) is assembled at the bottom of the waterproof base (10), and the screen assembly (3) is electrically connected with the plug-in circuit board (12); the special-shaped rotating assembly is rotatably arranged on the plug-in circuit board (12), the special-shaped pressing assembly is arranged in the special-shaped rotating assembly, and the special-shaped pressing assembly can slide up and down in the special-shaped rotating assembly and can synchronously rotate along with the rotation of the special-shaped rotating assembly;

the special-shaped pressing assembly comprises a special-shaped key (1), a special-shaped key seat (5) and a sliding block (6); the special-shaped rotating assembly comprises a special-shaped knob (7) and a knob bracket (8); the special-shaped key (1) is fixedly arranged on the special-shaped key seat (5), the sliding block (6) is arranged at the lower end of the special-shaped key seat (5), the screen component (3) is arranged between the special-shaped key seat (5) and the sliding block (6), the special-shaped key seat (5) is in up-and-down sliding fit in the knob support (8) through a buckle and a sliding table, the lower end of the elastic component (9) is assembled on the plug-in circuit board (12), the upper end of the elastic component (9) is matched with the lower end of the sliding block (6), and the sliding block (6) and the special-shaped key seat (5) are always in contact with each other and can slide mutually through the elasticity of the elastic component (9); the special-shaped knob (7) is fixedly arranged outside the knob bracket (8), and the encoder (12-1) is fixedly assembled inside the knob bracket (8);

the periphery of the lower end of the sliding block (6) is matched with a groove formed in the inner hole wall of the encoder (12-1) in a subsection mode through ribs which are uniformly arranged, the ribs on the sliding block (6) in the upper section and the lower section of the section are vertically matched with the groove in the encoder (12-1), and the ribs on the sliding block (6) in the middle section are obliquely matched with the groove in the encoder (12-1).

2. The shaped waterproof push button switch with display function according to claim 1, wherein: the special-shaped key (1) is fixedly bonded on the special-shaped key seat (5) through 3M glue (2), the screen assembly (3) is arranged in a groove at the upper end of the sliding block (6), the lower end face of the screen assembly (3) is bonded with the upper end face of the foam (4), and the lower end face of the foam (4) is bonded with the upper end face of the groove of the sliding block (6); the plug-in circuit board (12) is assembled in the waterproof base (10) through a buckle.

3. The shaped waterproof push button switch with display function according to claim 1, wherein: the cross sections of the sliding block (6) and the knob support (8) are both of a T-shaped hollow structure, and a circle of circular ring (5-1) is arranged on the lower plane of the special-shaped key seat (5) and is attached to the peripheral surface of the sliding block (6) in a friction mode.

4. The shaped waterproof push button switch with display function according to claim 3, wherein: the special-shaped knob is characterized in that a boss is arranged at the matching position of the lower end of the knob support (8) and the special-shaped knob (7), the upper end of the knob support is matched with the inner surface of the special-shaped knob (7) through a set triangular rib, the upper end of the knob support (8) is matched with a rib arranged on the special-shaped knob (7) through a set hole, and the lower end of the knob support (8) is fastened on an encoder (12-1) on a plug-in circuit board (12) through a buckle.

5. The shaped waterproof push button switch with display function according to claim 1, wherein: the rib on the slider (6) and the groove on the encoder (12-1) on the plug-in board circuit board (12) are vertically and precisely matched, the rib and the groove are not subjected to die drawing, the matching gap is 0.05mm, the rib on the slider (6) and the groove on the encoder (12-1) on the plug-in board circuit board (12) are obliquely matched, the rib and the groove are subjected to die drawing, the matching gap is 0.3mm, the rib on the slider (6) and the groove on the encoder (12-1) on the plug-in board circuit board (12) are vertically and precisely matched, the rib and the groove are not subjected to die drawing, and the matching gap is 0.05 mm.

6. The shaped waterproof push button switch with display function according to claim 1, wherein: the lower end of the sliding block (6) is provided with a plurality of small planes, the lower end of the elastic component (9) is assembled and connected to the plug-in circuit board (12) through a taper structure, the upper end of the elastic component (9) is provided with a plurality of bowl-shaped structures, and the bowl-shaped structures are matched with the end faces of the small planes arranged at the lower end of the sliding block (6).

7. The shaped waterproof push button switch with display function according to claim 1, wherein: a water outlet (8-1) is distributed on the knob bracket (8), and a circle of water retaining ribs (8-2) are arranged along the water outlet at the lower end of the water outlet; the waterproof structure is characterized in that a circle of built-in ribs (10-1) are arranged at the upper end of the waterproof base (10), the built-in ribs (10-1) are assembled inside the water retaining ribs (8-2), and the built-in ribs and the water retaining ribs are in clearance fit to form a waterproof structure.

8. The shaped waterproof push button switch with display function according to claim 1, wherein: as an alternative, the special-shaped knob (7) is not fixedly arranged outside the knob bracket (8), but is fixedly arranged on the special-shaped key seat (5) so as to move up and down together with the pressing component.

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