KR20230127528A - Bonding structure of knob type switch - Google Patents

Abstract

In the knob-type switch coupling structure according to the present invention, a pivot is formed inside a case, a knob is coupled to the case, and a substrate outputs a control signal by operating the knob. After one side of (PCB) is inserted into the fitting pivot of the case, it is rotated around the fitting pivot and coupled to the case.

Description

Knob type switch bonding structure {Bonding structure of knob type switch}

The present invention relates to a knob-type switch coupling structure, and more particularly, by simplifying and minimizing the structure of a knob-type switch, it is possible to improve the management of each part, assemblability and productivity of the corresponding product, and to minimize the defect rate. it was made to

In particular, the present invention adopts a coupling structure of a simple coupling method by fitting rather than an assembly structure using screws, etc., thereby eliminating the hassle and increase in time required by the process according to the fastening process using screws or bolts. It relates to a knob-type switch coupling structure capable of optimizing a manufacturing process and an assembly process.

In general, a switch is used by a user to turn on/off a function of a specific device or to adjust an operation level, and is widely applied and used to products such as various facilities, devices, and instruments in various fields. there is.

Even in the case of vehicles, as various electronic control systems are mounted, these switches are applied for the convenience of driver's operation, and one example of switches having various structures that have been used so far is a knob-type switch, and these knobs Type switches can be mainly classified into rotary type, sliding type and button type according to the method of operation.

For example, a paddle shift switch for operating a manual gear configured in an automatic transmission vehicle is a knob-type switch.

In addition to this, various types of large and small knob-type switches such as power window switches and multi-function switches are widely used.

Republic of Korea Patent Publication No. 10-2019-0018277 'paddle shift switch unit for vehicles' (hereinafter referred to as 'prior art 1'), which is the prior art document, makes it easy to separate and replace the knob.

However, in the case of the prior art 1, it is composed of a housing, a board, a switch, a body, a holder, a shaft, a movable part (knob), etc., and the coupling structure is very complicated, and as a result, the assemblability is lowered and the defect rate is increased. There is a problem with being able to.

In addition, the following prior art document, Republic of Korea Patent Registration No. 10-1618549 'paddle shift switch assembly of a vehicle' (hereinafter referred to as 'prior art 2'), prevents wear of the contactor to improve the durability of the product. that made it possible

However, even in the case of Prior Art 2, it is composed of a case, body, board, contactor, knob, balance panel, etc., and its coupling structure is very complicated like Prior Art 1, and as a result, assemblability is reduced like in Prior Art 1. There is a problem that the defect rate may increase.

Republic of Korea Patent Publication No. 10-2019-0018277 'Vehicle Paddle Shift Switch Unit' Republic of Korea Patent Registration No. 10-1618549 'Paddle Shift Switch Assembly of Vehicle'

In order to solve the above problems, the present invention simplifies the structure of the knob-type switch and minimizes the structure, thereby improving the management of each part, assembling and productivity of the corresponding product, and minimizing the defect rate. The purpose is to provide a bonding structure.

On the other hand, in the case of the prior art discussed above, in the case of the fastening method of each component, the prior art 1 is configured to use a bolt, and the prior art 2 is configured to use a screw, and in this way, each fastening process is performed using a bolt or a screw. When going through, there is a problem that the required time of the work is increased and the workability is also cumbersome.

Therefore, the present invention adopts a simple coupling method by fitting rather than an assembly structure using screws, etc., thereby eliminating the hassle and increase in time required by the process according to the fastening process using screws or bolts. It is an object of the present invention to provide a knob-type switch coupling structure capable of optimizing a manufacturing process and an assembly process.

In addition, the object of the present invention is to provide a knob-type switch combination structure that can minimize the total number of parts by integrating a case and a cover through simplification of the configuration, and through which the manufacturing and management of parts can be easily performed. there is.

In order to achieve the above object, in the knob-type switch coupling structure according to the present invention, a pivot is formed inside a case, a knob is coupled to the case, and the knob After one side of the board (PCB) for outputting a control signal by manipulation is inserted into the fitting pivot of the case, it is rotated around the fitting pivot and coupled to the case.

In addition, in the case, at least one crush rib is configured at a position corresponding to at least a part of the edge of the other side of the substrate based on the fitting pivot, and the substrate is fitted after being inserted into the fitting pivot It can be coupled to be supported by the crush rib by rotating around the pivot.

In addition, the crush rib, the lower support for supporting the lower surface of the substrate; It may include; and a separation prevention unit for preventing separation of the substrate.

In addition, the separation prevention unit may be formed with an induction inclined surface for inducing coupling of the substrate.

In addition, at least one fastening hole may be formed in a central portion of the substrate, and at least one support hook into which the fastening hole is inserted and supported may be formed in the case.

In addition, the case, based on the fitting pivot, at least one support jaw may be configured at a position corresponding to at least a portion of the edge of the other side of the substrate.

In addition, the knob may include a knob pivot coupled to the case and axial rotation.

In addition, in the knob, a shaft hole may be formed in the knob pivot, and a shaft protrusion may be formed in the case to fit into the shaft hole in an interference fitting manner.

In addition, in the knob pivot, a coupling guide groove for inducing insertion of the shaft protrusion may be formed in one direction in the shaft hole.

In addition, the coupling guide groove may be formed inclined in one direction from the shaft hole.

By means of the above solution, the present invention has the advantage of simplifying and minimizing the structure of the knob-type switch, thereby improving the management of each part, assemblability and productivity of the corresponding product, and minimizing the defect rate.

As described above, the conventional knob-type switch including the prior art is mostly composed of 6 to 7 parts, but the present invention reduces the composition to 3 to 4 parts, thereby improving the manufacturing precision of the parts and improving tolerance management. It has the advantage of greatly improving the ease and quality of the finished product.

In particular, the present invention can minimize the total number of parts by integrating the case and the cover through simplification of the configuration, and through this, there is an advantage that the manufacturing and management of the parts can be easily performed.

Accordingly, the present invention has the effect of minimizing facility construction costs through minimization of manufacturing facilities, improving efficiency of operation and maintenance of manufacturing facilities, and minimizing costs.

In addition, the present invention adopts a coupling structure of a simple coupling method by fitting rather than an assembly structure using bolts or screws as in the prior art, thereby reducing the hassle and complexity of the process according to the fastening process using screws or bolts It has the advantage of being able to exclude an increase in the required time.

Through this, the present invention has the advantage of simplifying the coupling structure and supporting structure of the knob-type switch, and improving the ease of operation and productivity of the product by optimizing the manufacturing process and assembly process of the product.

Therefore, it is possible to improve reliability and competitiveness in electronic switch fields, small switch fields, vehicle switches fields, as well as similar or related fields.

1 is a configuration diagram showing an embodiment of a knob-type switch coupling structure according to the present invention.
Figure 2 is a partial cross-sectional view showing a state in which Figure 1 is coupled.
FIG. 3 is a view for explaining the case shown in FIG. 1 .
4 and 5 are views showing another embodiment of FIG. 1 .
6 is a view showing an embodiment of the coupling relationship of each component on the 'a-a' line cross section shown in FIG.
FIG. 7 is a view showing another embodiment of FIG. 6 .
FIG. 8 is a view illustrating embodiments of the knob pivot shown in FIG. 6 .

Examples of the knob-type switch coupling structure according to the present invention can be applied in various ways, and hereinafter, the most preferred embodiment will be described with reference to the accompanying drawings.

1 is a configuration diagram showing an embodiment of a knob-type switch coupling structure according to the present invention, and FIG. 2 is a partial cross-sectional view showing a coupled state of FIG. 1 .

Referring to FIG. 1 , the knob-type switch A includes a case 100 , a knob 200 and a PCB 300 .

First, a fitting pivot (Pivot, 110) is formed inside the case 100 at a position biased in one direction (left direction in FIG. 1).

Next, the knob 200 is coupled to the case 100 so as to enable hinge rotation in one direction (left direction in FIG. 1 ).

And, the substrate 300 outputting the control signal by manipulation of the knob 200 is coupled to the inside of the case 100 in an interference fitting manner.

In particular, in the present invention, the substrate 300, one side (left side in FIG. 1) is inserted into the fitting pivot 110 of the case 100 as shown in FIG. 1, and then rotates around the fitting pivot 110. As shown in 2, it is coupled to the case 100.

As a result, according to the present invention, the state of the substrate 300 can be stably maintained while firmly coupling the substrate 300 without using bolts or screws, and the coupling process can also proceed quickly.

In FIG. 1, non-explained numeral '310' denotes a rubber cap, and '210' denotes a pusher, and the pusher 210 is moved to a rubber cap by operating the knob 200 (boxed arrow in FIG. 2). When the cap 310 is pressed, an electronic device (not shown) or the like configured on the board 300 senses this, and it can sense that the user is manipulating the knob-type switch A.

FIG. 3 is a view for explaining the case shown in FIG. 1 .

Referring to FIG. 3 , at least one crush rib 120 may be configured inside the case 100 .

The crush rib 120 may be configured at a position corresponding to at least a part of the edge of the other side of the substrate 300 in a state in which the substrate 300 is coupled as shown in FIG. 2 with respect to the fitting pivot 110. there is.

Accordingly, as shown in FIG. 1, the substrate 300 is inserted into the fitting pivot 110 in an oblique direction, and then rotates around the fitting pivot 110 so as to be supported by the crush rib 120 as shown in FIG. 2. It can be.

On the other hand, as shown in the enlarged portion in (a) of FIG. 3, the fitting pivot 110 is formed with an upper fitting guide part 111 and a lower fitting guide part 112 so as to induce the substrate 300 to be fitted in an oblique direction. It can be, the inner side of the substrate 300 in a horizontal state can be inserted into the fitting groove 113 that can be supported can be formed.

In addition, as shown in (b) of Figure 3, the crush rib 120, as shown in Figure 2, the lower support portion 121 formed in the form of a step to support the lower surface of the substrate 300 in a coupled state, and the substrate ( 300) may be formed with a separation prevention unit 122 preventing separation in an upward direction.

At this time, the guide slope 123 may be formed on the top of the separation prevention unit 122 so as to incline inward, and the guide slope 123 serves to guide the substrate 300 to be coupled to the correct position in the process of being coupled. can do.

4 and 5 are views showing another embodiment of FIG. 1 .

Referring to FIG. 4 , at least one fastening hole 301 may be formed in a central portion of the substrate 300 .

And, as shown in FIG. 5 , the case 100 may be formed with at least one support hook 130 into which the fastening hole 301 is inserted and supported.

At this time, an inclined surface (not marked) may be formed on the upper portion of the support hook 130 to guide the fastening hole 301 to be easily inserted.

Then, based on the fitting pivot 110, at least one support jaw 140 may be configured at a position corresponding to at least a portion of the edge of the other side of the substrate 300.

On the other hand, as shown in FIGS. 1 to 3, when the crush rib 120 is applied, the coupled state can be maintained even if the structure of the fastening hole 301 and the support hook 130 is not applied, but the knob-type switch In the process of manufacturing (A) or using it as a product, when deformation (bending) occurs in the substrate 300 due to external force, for example, while the substrate 300 is bent in the width direction, the crush rib 120 ) may occur.

Therefore, when the structure of the fastening hole 301 and the support hook 130 shown in FIGS. 4 and 5 is applied, the central portion of the substrate 300 is supported, so that the bending of the substrate 300 can be prevented in advance. And, it is possible to prevent the substrate 300 from being separated from the crush rib 120.

Therefore, the structure of the crush rib 120 examined through FIGS. 1 to 3, the support hook 130 and the support jaw 140 examined through FIGS. 4 and 5 can be formed independently as shown in each drawing. However, it is not limited thereto, and of course, the support hook 130 alone, or the support hook 130 and the support jaw 140 can be configured together with the crush rib 120 according to the request of those skilled in the art, It goes without saying that the location and number can also be variously applied.

FIG. 6 is a view showing one embodiment of the coupling relationship of each component on the 'a-a' cross section shown in FIG. 2, and FIG. 7 is a view showing another embodiment of FIG.

Referring to FIG. 6 , a knob pivot 220 rotatably coupled to the case 100 may be formed on the knob 200 .

Further, a shaft hole 221 may be formed in the knob pivot 220 , and a shaft protrusion 151 may be formed in the case 100 to fit into the shaft hole 221 in an interference fit manner.

At this time, the shaft protrusion 151 may be formed on the separately configured shaft plate 150 as shown in FIG. 6 or formed on the inner wall surface of the case 100 as shown in FIG. 7 .

For example, the structure shown in FIG. 6 may be applied to a knob type switch A having a relatively large size. As another example, the structure shown in FIG. 7 may be applied to a knob-type switch A having a relatively small size.

In addition, it goes without saying that an optimal structure may be selected according to the manipulation method of the knob-type switch A, the field of application, and the request of those skilled in the art.

FIG. 8 is a view illustrating embodiments of the knob pivot shown in FIG. 6 .

Referring to FIG. 8 , a coupling guide groove 222 for inducing insertion of the shaft protrusion 151 may be formed in the knob pivot 220 .

The coupling guide groove 222 may be formed in one direction (a downward direction in FIG. 8 ) in the shaft hole 221 .

As a result, the shaft protrusion 151 is inserted into the coupling guide groove 222 during the coupling process, and then moves along the coupling guide groove 222 to the position where the shaft hole 221 is formed, so that it can be easily fitted into the shaft hole 221. .

At this time, in order to allow the shaft protrusion 151 to more easily enter the coupling guide groove 222, the coupling guide groove 2220 is directed from the shaft hole 221 to one side as shown in (b) of FIG. 8, it may be formed to be inclined in a downward direction).

In the above, the knob-type switch coupling structure according to the present invention has been described. It will be understood that the technical configuration of the present invention can be implemented in other specific forms without changing the technical spirit or essential features of the present invention by those skilled in the art to which the present invention belongs.

Therefore, the embodiments described above are illustrative in all respects and should be understood as non-limiting ones.

A: knob type switch
100: case
110: fitting pivot (Pivot) 111: upper fitting guide
112: lower fitting guide 113: fitting groove
120: crush rib 121: lower support
122: departure prevention unit 123: induction slope
130: support hook 140: support jaw
150: axis plate 151: axis projection
200: Knob
210: Pusher 220: Knob Pivot
221: shaft hole 222: coupling guide groove
300: board (PCB)
301: fastening groove 310: rubber cap

Claims (10)

A pivot is formed inside the case,
A knob is coupled to the case,
After one side of the board (PCB) for outputting a control signal by the operation of the knob is inserted into the fitting pivot of the case, the knob-type switch coupling structure is coupled to the case by rotating around the fitting pivot.
According to claim 1,
The case is
Based on the fitting pivot, at least one crush rib is configured at a position corresponding to at least a part of the edge of the other side of the substrate,
the substrate,
Knob-type switch coupling structure, characterized in that coupled to be supported by the crush rib by rotating around the fitting pivot after being inserted into the fitting pivot.
According to claim 2,
The crush ribs,
a lower support portion supporting a lower surface of the substrate; and
Knob-type switch coupling structure comprising a; separation prevention unit for preventing separation of the substrate.
According to claim 3,
The departure prevention unit,
Knob-type switch coupling structure, characterized in that formed; induced inclined surface for inducing the coupling of the substrate.
According to any one of claims 1 to 4,
the substrate,
At least one fastening hole is formed in the central portion,
The case is
A knob-type switch coupling structure, characterized in that at least one support hook is formed in which the fastening hole is inserted and supported.
According to claim 5,
The case is
Knob-type switch coupling structure, characterized in that at least one support step is configured at a position corresponding to at least a part of the other side edge of the substrate based on the fitting pivot.
According to claim 1,
The knob,
A knob-type switch coupling structure characterized in that a knob pivot coupled to the case and pivoting is possible.
According to claim 7,
The knob,
A shaft hole is formed in the knob pivot,
The case is
Knob-type switch coupling structure, characterized in that the shaft projection is formed to be fitted in the shaft hole in an interference fit method.
According to claim 8,
The knob pivot,
A knob-type switch coupling structure, characterized in that the coupling guide groove for inducing the insertion of the shaft protrusion is formed in one direction from the shaft hole.
According to claim 9,
The coupling guide groove,
Knob-type switch coupling structure, characterized in that formed inclined in one direction from the shaft hole.

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