Automobile combination switch

Abstract

The utility model relates to an automobile combination switch, which comprises a switch body and a handle shell, a first mounting seat, a second mounting seat and a third mounting seat which are sequentially stacked are fixedly arranged in the handle shell, a first knob is rotatably arranged on the first mounting seat, a first elastic contact piece is fixedly arranged on the first knob, and a second elastic contact piece is fixedly arranged on the third mounting seat. A first contact circuit board abutting against the first elastic contact piece is fixedly arranged on the second installation base, a window located on one side of the first rotary knob is formed in the handle shell, a shifting part extending out of the window is formed on the first rotary knob, a second rotary knob is rotationally arranged on the second installation base, and a second elastic contact piece is fixedly arranged on the second rotary knob. A second contact circuit board abutting against the second elastic contact piece is fixedly arranged on the third installation base, the second rotary knob is sleeved with a rotary knob shell, and the first contact circuit board, the second contact circuit board and the third contact circuit board are integrated on a flexible circuit board. The automobile combination switch is high in integration level, easy to assemble and more compact in structure.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile switches, in particular to an automobile combination switch. Background Art

[0002] An automobile combination switch is usually installed on the steering column of an automobile, and is composed of two or more switches for controlling the lights, signals, and control electrical appliances of the automobile. In the prior art, an automobile combination switch generally consists of a switch body and a handle movably arranged on the switch body. In order to meet the control requirements of multiple switches arranged on the handle, the handle is generally provided with multiple contact circuit boards, which are connected to the control circuit board in the switch body through a wiring harness. However, with the continuous increase in the demand for the integration of automobile combination switches, the structure in the prior art has the problem of complex wiring and difficulty in assembly when achieving a higher integration of automobile combination switches.

[0003] In view of the above problems, the present invention makes improvements. Utility Model Content

[0004] The utility model provides an automobile combination switch, which solves the above problems existing in the prior art during use.

[0005] The technical solution of the utility model is achieved in this way:

[0006] A combination switch for an automobile comprises a switch body and a handle housing, wherein a first mounting seat is fixedly arranged in the handle housing, a second mounting seat is fixedly arranged on the first mounting seat, a third mounting seat is fixedly arranged on the second mounting seat, a first knob is rotatably arranged on the first mounting seat, a first elastic contact piece is fixedly arranged on the first knob, a first contact circuit board that contacts the first elastic contact piece is fixedly arranged on the second mounting seat, a window is opened on the handle housing and is located on one side of the first knob, a toggle portion extending out of the window is formed on the first knob, a second knob is rotatably arranged on the second mounting seat, a second elastic contact piece is fixedly arranged on the second knob, a second contact circuit board that contacts the second elastic contact piece is fixedly arranged on the third mounting seat, a knob housing located at an end of the handle housing and covering the third mounting seat is provided on the outer sleeve of the second knob, the first contact circuit board, the second contact circuit board and the third contact circuit board are integrated on a flexible circuit board, and the flexible circuit board is connected to a control circuit board arranged in the switch body.

[0007] Preferably, an elastic tube made of rubber material and in a truncated cone shape is fixedly provided on the third mounting seat, a moving contact is provided on the top wall of the elastic tube, a third contact circuit board integrated on the flexible circuit board and opposite to the moving contact is fixedly provided on the third mounting seat, a button is slidably provided in the knob housing, one end of the button is in contact with the elastic tube, and the other end extends out of the knob housing.

[0008] Preferably, there are four moving contacts, and the top wall of the elastic cylinder is recessed inward to form two inverted truncated cone-shaped secondary compression cylinders, wherein two of the moving contacts are respectively arranged on the two secondary compression cylinders and are closer to the third contact circuit board than the other two moving contacts, and a plate to be abutted is provided on the elastic cylinder, and two limiting rods are formed on the abutment plate and extend into the two secondary compression cylinders respectively, and the end of the button abuts against the abutment plate.

[0009] Preferably, two windows are symmetrically arranged on the handle housing, and two toggle parts are symmetrically arranged on the first knob.

[0010] Preferably, a first support rod is formed on the first mounting seat, a first hole cavity is opened on the first knob, a first spring and a first steel ball are sequentially arranged in the first hole cavity, a first wavy limiting protrusion is formed on the first mounting seat, the first knob is passed through the first support rod, and the first steel ball abuts against the first limiting protrusion under the action of the first spring.

[0011] Preferably, a second support rod is formed on the second mounting seat, a support tube is formed on the third mounting seat, the support tube is sleeved on the second support rod, a second hole cavity is opened on the second knob, a second spring and a second steel ball are sequentially arranged in the second hole cavity, a second wavy limiting protrusion is formed on the second mounting seat, the second knob is passed through the support tube, and the second steel ball abuts against the second limiting protrusion under the action of the second spring.

[0012] To sum up, the beneficial effects of the utility model are: the first knob is rotated by the toggle part to drive the first elastic contact piece to rotate and cooperate with the contacts of the first contact circuit board to realize multiple controls on the vehicle lights, and the second knob is rotated by the knob housing to drive the second elastic contact piece to rotate and cooperate with the contacts of the second contact circuit board to realize multiple controls on the vehicle front wiper, so that the combination switch has a high degree of integration, and the first knob and the second knob are very easy to operate and have a good operating feel, which is convenient for blind operation during the movement of the vehicle, and the installation structure of the first knob and the second knob is arranged by stacking the first mounting seat, the second mounting seat and the third mounting seat in sequence, and the structure of integrating the first contact circuit board and the second contact circuit board on the flexible circuit board makes the combination switch easier to assemble, and makes the internal structure of the combination switch more compact, and makes the appearance of the combination switch more compact. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is an explosion diagram of the utility model;

[0016] Figure 3 for Figure 2 The enlarged schematic diagram of point A in the middle;

[0017] Figure 4 for Figure 2 The enlarged schematic diagram of point B in the middle;

[0018] Figure 5 It is an explosion schematic diagram of another viewing angle of the utility model;

[0019] Figure 6 for Figure 5 The enlarged schematic diagram of the center C;

[0020] Figure 7 for Figure 5 The enlarged schematic diagram of point D in the middle;

[0021] Figure 8 It is a structural schematic diagram of the flexible circuit board in the utility model.

[0022] In the figure: 1. switch body; 11. control circuit board; 2. handle shell; 21. first mounting seat; 211. first support rod; 212. first limiting protrusion; 22. second mounting seat; 221. second support rod; 222. second limiting protrusion; 23. third mounting seat; 231. supporting cylinder; 24. window; 3. first knob; 31. first elastic contact piece; 32. toggle part; 33. first cavity; 34. first steel ball; 4. second knob; 41. second elastic contact piece; 42. second cavity; 43. second steel ball; 5. knob shell; 6. flexible circuit board; 61. first contact circuit board; 62. second contact circuit board; 63. third contact circuit board; 7. elastic cylinder; 71. moving contact; 72. secondary compression cylinder; 8. button; 9. contact plate; 91. limiting rod. DETAILED DESCRIPTION

[0023] The following will be combined with the attached embodiment of the utility model Figure 1-8 , clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of them. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] As shown in the figure, a car combination switch includes a switch body 1 and a handle housing 2, wherein a first mounting seat 21 is fixedly arranged in the handle housing 2, a second mounting seat 22 is fixedly arranged on the first mounting seat 21, a third mounting seat 23 is fixedly arranged on the second mounting seat 22, a first knob 3 is rotatably arranged on the first mounting seat 21, a first elastic contact piece 31 is fixedly arranged on the first knob 3, a first contact circuit board 61 that contacts the first elastic contact piece 31 is fixedly arranged on the second mounting seat 22, a window 24 located on one side of the first knob 3 is opened on the handle housing 2, a toggle portion 32 extending out of the window 24 is formed on the first knob 3, a second knob 4 is rotatably arranged on the second mounting seat 22, a second elastic contact piece 31 is fixedly arranged on the second mounting seat 22, The third mounting seat 23 is provided with a second contact circuit board 62 which contacts with the second elastic contact piece 41, and the second knob 4 is provided with a knob shell 5 which is located at the end of the handle shell 2 and covers the third mounting seat 23. The first contact circuit board 61, the second contact circuit board 62 and the third contact circuit board 63 are integrated on the flexible circuit board 6, and the flexible circuit board 6 is connected to the control circuit board 11 arranged in the switch body 1. In the above structure, the first elastic contact piece 31 is driven to rotate by the toggle part 32 to cooperate with the contact of the first contact circuit board 61 to realize multiple controls on the vehicle lights, and the second elastic contact piece 41 is driven to rotate by the knob shell to cooperate with the contact of the second contact circuit board 62 to realize multiple controls on the front wiper of the vehicle.

[0025] Specifically, the first knob 3 is rotatably arranged on the first mounting seat 21:

[0026] A first support rod 211 is formed on the first mounting seat 21, and a first hole 33 is opened on the first knob 3. A first spring and a first steel ball 34 are sequentially arranged in the first hole 33. A first wave-shaped first limiting protrusion 212 is formed on the first mounting seat 21. The first knob 3 is passed through the first support rod 211, and the first steel ball 34 abuts against the first limiting protrusion 212 under the action of the first spring. In the above structure, the first knob 3 rotates along the first support rod 211. When the first knob 3 rotates, the first steel ball 34 slides between the recessed parts of the first limiting protrusion 212. The abutment between the first steel ball 34 and the first limiting protrusion 212 makes the rotation of the first knob 3 have a clear sense of paragraphs, so that it is convenient to control the vehicle lights by rotating the first knob 3 through the toggle part 32.

[0027] Specifically, the second knob 4 is rotatably arranged on the second mounting seat 22:

[0028] A second support rod 221 is formed on the second mounting seat 22, and a support tube 231 is formed on the third mounting seat 23. The support tube 231 is sleeved on the second support rod 221. A second cavity 42 is opened on the second knob 4, and a second spring and a second steel ball 43 are sequentially arranged in the second cavity 42. A wavy second limiting protrusion 222 is formed on the second mounting seat 22, and the second knob 4 is penetrated by the support tube 231. The second steel ball 43 abuts against the second limiting protrusion 222 under the action of the second spring. In the above structure, the second knob rotates along the support tube 231. When the second knob 4 rotates, the second steel ball 43 slides between the recessed parts of the second protrusion. The abutment between the second steel ball 43 and the second limiting protrusion 222 makes the rotation of the second knob 4 have a clear sense of paragraphs, so that the front wiper of the vehicle can be controlled by rotating the second knob 4 through the knob housing.

[0029] Specifically, in order to realize more switch functions, an elastic tube 7 made of rubber material and in a truncated cone shape is fixedly arranged on the third mounting seat 23, and a moving contact 71 is arranged on the top wall of the elastic tube 7. A third contact circuit board 63 integrated on the flexible circuit board 6 and opposite to the moving contact 71 is fixedly arranged on the third mounting seat 23. A button 8 is slidably arranged in the knob housing 5, and one end of the button 8 is in contact with the elastic tube 7, and the other end extends out of the knob housing 5. In the above structure, the top wall of the elastic tube 7 is pushed by pressing the button 8 to deform the elastic tube 7. The deformed elastic tube 7 makes the moving contact 71 contact with the contact on the third contact circuit board 63 to realize the control of the rear wiper of the vehicle.

[0030] Furthermore, there are four movable contacts 71, and two inverted truncated cone-shaped secondary compression cylinders 72 are formed inwardly on the top wall of the elastic cylinder 7, wherein two movable contacts 71 are respectively arranged on the two secondary compression cylinders 72 and are closer to the third contact circuit board 63 than the other two movable contacts 71, and a to-be-contacted plate 9 is arranged on the elastic cylinder 7, and two limiting rods 91 are formed on the contact plate 9 and extend into the two secondary compression cylinders 72 respectively, and the end of the button 8 contacts the contact plate 9. In the above structure, Pressing the button 8 causes the elastic tube 7 to deform, so that the two moving contacts 71 closer to the third contact circuit board 63 contact the contacts on the third contact circuit board 63 to control the wiping of the rear wiper of the vehicle. On this basis, continue to press the button 8 to push the top wall of the elastic tube 7 to deform the secondary compression tube 72 and cause the other two moving contacts 71 to contact the contacts on the third contact circuit board 63 to control the spraying of glass water by the rear wiper of the vehicle. After releasing the button 8, the secondary compression tube 72 and the elastic tube 7 recover and the button 8 is reset.

[0031] Furthermore, two windows 24 are symmetrically provided on the handle housing 2, and two toggle parts 32 are symmetrically provided on the first knob 3. By holding the two toggle parts 32 at the same time, it is convenient to toggle the first knob 3, which is more convenient for blind operation of the vehicle light control.

[0032] In the above embodiment, multiple controls on the vehicle's lights are achieved by rotating the first knob 3, multiple controls on the vehicle's front wiper are achieved by rotating the second knob 4, and multiple controls on the vehicle's rear wiper are achieved by pressing the button 8, so that the automobile combination switch has a higher degree of integration and meets people's current demand for higher integration of switches. Moreover, the first knob 3, the second knob 4 and the button 8 are very easy to operate and have a good operating feel, which is convenient for blind operation during the movement of the vehicle. In addition, the installation structure of the first knob 3, the second knob 4 and the button 8 is arranged by stacking the first mounting seat 21, the second mounting seat 22 and the third mounting seat 23 in sequence, and the structure of the first contact circuit board 61, the second contact circuit board 62 and the third contact circuit board 63 are integrated on the flexible circuit board 6, so that the combination switch is easier to assemble, and the internal structure of the combination switch is more compact, and the appearance of the combination switch is more compact.

[0033] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An automobile combination switch, comprising a switch body (1) and a handle housing (2), characterized in that: A first mounting seat (21) is fixedly arranged in the handle housing (2), a second mounting seat (22) is fixedly arranged on the first mounting seat (21), a third mounting seat (23) is fixedly arranged on the second mounting seat (22), a first knob (3) is rotatably arranged on the first mounting seat (21), a first elastic contact piece (31) is fixedly arranged on the first knob (3), a first contact circuit board (61) abutting against the first elastic contact piece (31) is fixedly arranged on the second mounting seat (22), a window (24) is provided on the handle housing (2) and a toggle member extending out of the window (24) is formed on the first knob (3). The switch body (32) is provided with a second knob (4) rotatably mounted on the second mounting seat (22), a second elastic contact sheet (41) is fixedly mounted on the second knob (4), a second contact circuit board (62) abutting against the second elastic contact sheet (41) is fixedly mounted on the third mounting seat (23), the second knob (4) is provided with a knob housing (5) located at an end of the handle housing (2) and covering the third mounting seat (23), the first contact circuit board (61), the second contact circuit board (62) and the third contact circuit board (63) are integrated on a flexible circuit board (6), and the flexible circuit board (6) is connected to a control circuit board (11) arranged in the switch body (1).

2. The automobile combination switch according to claim 1, characterized in that: A truncated cone-shaped elastic tube (7) made of rubber material is fixedly arranged on the third mounting seat (23), a movable contact (71) is arranged on the top wall of the elastic tube (7), a third contact circuit board (63) integrated on the flexible circuit board (6) and opposite to the movable contact (71) is fixedly arranged on the third mounting seat (23), a button (8) is slidably arranged in the knob housing (5), one end of the button (8) abuts against the elastic tube (7), and the other end protrudes out of the knob housing (5).

3. The automobile combination switch according to claim 2, characterized in that: Four movable contacts (71) are provided, and two inverted truncated cone-shaped secondary compression cylinders (72) are formed inwardly on the top wall of the elastic cylinder (7), wherein two movable contacts (71) are respectively provided on the two secondary compression cylinders (72) and are closer to the third contact circuit board (63) than the other two movable contacts (71), and a to-be-contacted plate (9) is provided on the elastic cylinder (7), and two limit rods (91) are formed on the contact plate (9) and extend into the two secondary compression cylinders (72) respectively, and the end of the button (8) contacts the contact plate (9).

4. The automobile combination switch according to claim 1, characterized in that: Two windows (24) are symmetrically arranged on the handle housing (2), and two toggle portions (32) are symmetrically arranged on the first knob (3).

5. The automobile combination switch according to claim 1, characterized in that: A first support rod (211) is formed on the first mounting seat (21), a first hole (33) is formed on the first knob (3), a first spring and a first steel ball (34) are arranged in sequence in the first hole (33), a first wave-shaped first limiting protrusion (212) is formed on the first mounting seat (21), the first knob (3) is passed through the first support rod (211), and the first steel ball (34) abuts against the first limiting protrusion (212) under the action of the first spring.

6. The automobile combination switch according to claim 1, characterized in that: A second support rod (221) is formed on the second mounting seat (22), a support tube (231) is formed on the third mounting seat (23), the support tube (231) is sleeved on the second support rod (221), a second hole (42) is opened on the second knob (4), a second spring and a second steel ball (43) are arranged in sequence in the second hole (42), a second wave-shaped second limiting protrusion (222) is formed on the second mounting seat (22), the second knob (4) is passed through the support tube (231), and the second steel ball (43) abuts against the second limiting protrusion (222) under the action of the second spring.

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