Horn hairspring structure

Abstract

The utility model discloses a horn hairspring structure which comprises two ground wire connecting blocks, a ball hairspring and a carbon brush hairspring, each ground wire connecting block comprises two connection ends, and one connection end of each ground wire connecting block abuts against a spline shaft; the ball balance spring comprises two first connecting ends, and one first connecting end of the ball balance spring abuts against a bottom gasket of the steering wheel. The carbon brush hairspring comprises two second connecting ends, and one second connecting end of the carbon brush hairspring abuts against the bottom gasket. Compared with the prior art, the horn hairspring structure has the advantages that the ground wire connecting block is conducted with the in-vehicle shaft while rotation of a steering wheel and horn sounding are not affected.

Description

Technical Field

[0001] The utility model relates to the technical field of automobile driving, in particular to a speaker hairspring structure. Background Art

[0002] When driving a car, you need to turn the steering wheel and press the horn button on the steering wheel to make the car honk. In this process, the ground connection is particularly important.

[0003] In the prior art, some manufacturers connected the ground wire of the horn spring to a bracket on a plate of the steering gear fixing rod. Since the bracket is connected to the steering gear column, but there is no conduction between the steering gear column and the shaft inside the vehicle, it cannot be connected to the original vehicle body, so it cannot serve as a ground wire, resulting in the horn not sounding.

[0004] Therefore, how to provide a horn spring structure that can achieve the technical effect of connecting the ground wire to the car body without affecting the rotation of the steering wheel and the honking of the horn is a technical problem that technical personnel in this field urgently need to solve. Utility Model Content

[0005] In view of the problems existing in the prior art, the technical problem to be solved by the present invention is to provide a horn spring structure, which enables the connection between the ground wire and the vehicle body without affecting the rotation of the steering wheel and the honking of the horn.

[0006] To achieve the above-mentioned purpose, the utility model provides a horn hairspring structure, which includes: a fixed cover plate, which is a stepped circular columnar structure; two ground wire blocks, which are adjacently fixed on the fixed cover plate, each of which includes two connection ends, and one connection end of each ground wire block is against the spline shaft; a ball hairspring, which is fixed on the fixed cover plate, and includes two first connection ends, and one first connection end of the ball hairspring is against the bottom gasket of the steering wheel; a carbon brush hairspring, which is fixed on the fixed cover plate, and includes two second connection ends, and the carbon brush hairspring is against the The ball spring is symmetrically arranged with the center of the fixed cover plate as the center of symmetry, and a second connection end of the carbon brush spring is against the bottom gasket; a fixing rod, the fixing rod is located at the center of the spline shaft, the outer wall of one end of the fixing rod is threadedly connected to the inner wall of the spline shaft, and the other end of the fixing rod is fixedly connected to the fixed interface of the steering wheel; a switch structure, the switch structure includes a first switch connection module and a second switch connection module; the first switch connection module is fixed at the receiving interface of the steering wheel, and the first switch connection module is connected to the bottom gasket; the second switch connection module is located at the fixed interface, and the other end of the fixing rod is in contact with the second switch connection module.

[0007] In the first aspect, the first switch connection module includes: a first gasket, the first gasket is fixed at the receiving interface, the first gasket is located above the bottom gasket, and the first gasket is connected to the bottom gasket through a first conductive member; a first pin, one end of the first pin is fixed on the first gasket; wherein, the bottom gasket is a circular ring structure, and the inner diameter of the bottom gasket is adapted to the outer diameter of the fixing rod; the first gasket, the bottom gasket, the first pin and the fixing rod are all made of conductive materials, and the first conductive member is made of a conductive material with external insulation.

[0008] In the first aspect, the second switch connection module includes: a second gasket, the second gasket is located in the middle of the first gasket, and the second gasket does not contact the first gasket; the other end of the fixing rod is in contact with the second gasket; and a second pin, one end of the second pin is fixed to the second gasket; wherein the second gasket and the second pin are both made of conductive material.

[0009] In the first aspect, the switch structure further includes two pressing assemblies, the two pressing assemblies are fixed on the second gasket, and the two pressing assemblies are symmetrically arranged with the meridian of the fixed rod as the symmetry axis. In the first aspect, each pressing assembly includes: a first conductive piece, the first conductive piece includes a first guide piece, two spring sleeves and two first connecting posts; the two spring sleeves are located at both ends of one end face of the first guide piece, and one end of the two spring sleeves is fixedly connected to one end face of the first guide piece; the two first connecting posts are located between the two spring sleeves, and one end of the two first connecting posts is fixedly connected to one end face of the first guide piece; a second conductive piece, the second conductive piece includes a second guide piece, two spring fixing seats and two second connecting posts; the two spring fixing seats are located at both ends of one end face of the second guide piece, and one end of the two spring fixing seats is fixedly connected to the second guide piece. One end face is fixedly connected, and the two spring fixing seats are distributed correspondingly to the two spring sleeve columns; the two second connecting columns are located between the two spring fixing seats, and one end of the two second connecting columns is fixedly connected to an end face of the second guide piece, and the two second connecting columns are distributed correspondingly to the two first connecting columns; two springs, one end of each spring is fixedly connected to the other end of a corresponding spring fixing seat, and the other end of each spring is sleeved on a corresponding spring sleeve column; wherein, the first guide piece, the two first connecting columns, the second guide pieces, and the two second connecting columns are all made of conductive materials; the two spring sleeve columns and the two spring fixing seats are all made of insulating materials.

[0010] In the first aspect, each of the pressing components further includes: two fixing columns, the two fixing columns are arranged at intervals on the second gasket, one end of each fixing column is fixedly connected to the second gasket, and the other ends of the other end surface of the first guide piece are respectively fixedly connected to the other ends of the two fixing columns; a pressing column, one end of the pressing column is fixedly connected to the other end surface of the second guide piece; wherein, the first conductive piece further includes a first connecting pin, one end of the first connecting pin is fixedly connected to the first guide piece; the second conductive piece further includes a second connecting pin, one end of the second connecting pin is fixedly connected to the second guide piece; the two fixing columns and the pressing column are both made of insulating materials; the first connecting pin and the second connecting pin are both made of conductive materials.

[0011] In the first aspect, the other end of the first connecting pin of one pressing component is respectively connected to the other end of the first plug and the other end of the second connecting pin of another pressing component by a wire; the other end of the first connecting pin of another pressing component is respectively connected to the other end of the second plug (9022) and the other end of the second connecting pin of one pressing component by a wire.

[0012] In the first aspect, the fixed cover plate includes: a first step fixing plate, the first step fixing plate is a circular ring structure, and the two ground wire blocks are fixed on the first step fixing plate; a second step fixing plate, the second step fixing plate is a circular ring structure, and the ball spring and the carbon brush spring are both fixed on the second step fixing plate; a bottom fixing plate, the bottom fixing plate is a circular ring structure, and the inner diameter of the bottom fixing plate is smaller than the outer diameter of the spline shaft; wherein the outer diameters of the first step fixing plate, the second step fixing plate, and the bottom fixing plate are the same, the inner diameter of the first step fixing plate is larger than the inner diameter of the second step fixing plate, and the inner diameter of the second step fixing plate is larger than the inner diameter of the bottom fixing plate; the spline shaft is made of conductive material.

[0013] In the first aspect, the supporting shells of the ball spring and the carbon brush spring are both made of insulating materials, a first connection end of the ball spring is a ball, and the other first connection end of the ball spring is connected to one end of a first wire; a second connection end of the carbon brush spring is a carbon brush, and the other second connection end of the carbon brush spring is connected to one end of a second wire; the other end of the first wire is connected to the other end of the second wire, and is connected to the original vehicle controller through a third wire.

[0014] In the first aspect, the supporting shells of the two ground wire blocks are made of insulating material, and one connecting end of each ground wire block is a ball; the other connecting end of each ground wire block is connected to one end of the fourth wire, and the other connecting end of the other ground wire block is connected to one end of the fifth wire, the other end of the fourth wire is connected to the other end of the fifth wire, and is connected to the original vehicle controller through the sixth wire.

[0015] Beneficial effects:

[0016] The utility model provides a horn hairspring structure, which is used at the steering wheel of a car, so that the ground wire connection block is connected to the inner shaft of the car through the spline shaft without affecting the rotation of the steering wheel. Since the inner shaft of the car is directly connected to the car body, the ground wire connection block has the function of a ground wire; in addition, in the utility model, one connection end of the ground wire connection block is abutted against the spline shaft, and the spline shaft is connected to one end of the fixed rod, so that one connection end of the ground wire connection block is connected to the fixed rod, and the other end of the fixed rod is connected to the second switch connection module, so that the ground wire connection block is connected to the second switch connection module; a first connection end of the ball hairspring and a second connection end of the carbon brush hairspring are abutted against the bottom gasket, and the bottom gasket is connected to the first switch connection module, so that the ball hairspring and the carbon brush hairspring are connected to the first switch connection module, so that the connection end of the ground wire connection block. A first connection end of the ball spring and a second connection end of the carbon brush spring are both led to the steering wheel; the switch structure also includes two pressing components, which are electrically connected to the first switch connection module through the first connection pin of the pressing component, and the second connection pin is electrically connected to the second switch connection module, so that the ball spring and the carbon brush spring are connected to the first connection pin, and the ground connection block is connected to the second connection pin; at the same time, the other connection end of the ground connection block is connected to the original vehicle controller, the other first connection end of the ball spring and the other second connection end of the carbon brush spring are connected to the original vehicle controller, so that the other connection end of the ground connection block is connected to the original vehicle controller. The through end and the other first connecting end of the ball spring and the other second connecting end of the carbon brush spring are connected in the original car controller; by pressing the pressing component downward, the first connecting pin and the second connecting pin are connected, so that the switch structure, the ball spring, the carbon brush spring, the two ground wire blocks, and the original car controller form a complete conductive circuit. When the pressing component is pressed, the horn signal is received through the ball spring and the carbon brush spring, and the signal is transmitted to the original car controller, thereby controlling the car horn to sound; in the utility model, a carbon brush spring is used, and the carbon brush directly contacts the bottom gasket, making the received signal more reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of this specification or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0018] Figure 1 This is a partial structural diagram of the speaker hairspring structure of the utility model;

[0019] Figure 2 This is a partial structural diagram of the speaker hairspring structure of the utility model;

[0020] Figure 3 It is a structural diagram of the pressing assembly of the present utility model;

[0021] Figure 4 This is a schematic diagram of the installation structure of the hairspring and ground wire connection block of the speaker hairspring structure of the utility model;

[0022] Figure 5 It is a schematic diagram of the conduction of the speaker hairspring structure of the present invention.

[0023] Reference numerals:

[0024] 1. Fixed cover plate; 101. First step fixed plate; 102. Second step fixed plate; 103. Bottom fixed plate;

[0025] 2. Ground wire connection block;

[0026] 3. Spline shaft;

[0027] 4. Ball spring;

[0028] 5. Steering wheel;

[0029] 6. Bottom gasket;

[0030] 7. Carbon brush hairspring;

[0031] 8. Fixing rod;

[0032] 9. Switch structure; 901. First switch connection module; 9011. First gasket; 9012. First latch; 902. Second switch connection module; 9021. Second gasket; 9022. Second latch; 903. Pressing assembly; 9031. First conducting piece; 90311. First guide piece; 90312. Spring sleeve; 90313. First connecting post; 90314. First connecting pin; 9032. Second conducting piece; 90321. Second guide piece; 90322. Spring fixing seat; 90323. Second connecting post; 90324. Second connecting pin; 9033. Spring; 9034. Fixing post; 9035. Pressing post;

[0033] 10. Original car controller. DETAILED DESCRIPTION

[0034] The following will be combined with the drawings in the embodiments of this specification to clearly and completely describe the technical solutions in the embodiments of this specification. Obviously, the embodiments described are only part of the embodiments of this specification, not all of the embodiments. Based on the embodiments in this specification, all other embodiments obtained by ordinary technicians in this field are within the scope of protection of this utility model.

[0035] Example 1

[0036] like Figures 1 to 5As shown, the first embodiment provides a horn hairspring structure, which includes: a fixed cover plate 1, which is a stepped circular columnar structure; two ground wire blocks 2, which are adjacently fixed on the fixed cover plate 1, and each of the ground wire blocks 2 includes two connection ends, and one connection end of each ground wire block is against the spline shaft 3; a ball hairspring 4, which is fixed on the fixed cover plate 1, and the ball hairspring 4 includes two first connection ends, and one first connection end of the ball hairspring 4 is against the bottom gasket 6 of the steering wheel 5; a carbon brush hairspring 7, which is fixed on the fixed cover plate 1, and the carbon brush hairspring 7 includes two second connection ends, and the carbon brush hairspring 7 and the ball hairspring 4 are fixed with the fixed cover plate 1. The center of the circle of the cover plate 1 is symmetrically arranged, and a second connection end of the carbon brush spring 7 is against the bottom gasket 6; the fixing rod 8, the fixing rod 8 is located at the center of the spline shaft 3, and the outer wall of one end of the fixing rod 8 is threadedly connected to the inner wall of the spline shaft 3, and the other end of the fixing rod 8 is fixedly connected to the fixed interface of the steering wheel 5; the switch structure 9, the switch structure 9 includes a first switch connection module 901 and a second switch connection module 902; the first switch connection module 901 is fixed at the receiving interface of the steering wheel 5, and the first switch connection module 901 is connected to the bottom gasket 6; the second switch connection module 902 is located at the fixed interface, and the other end of the fixing rod 8 is in contact with the second switch connection module 902.

[0037] The present invention provides a horn spring structure, which is used at the steering wheel 5 of the vehicle, so that the ground wire connection block 2 is connected to the vehicle inner shaft through the spline shaft 3 without affecting the rotation of the steering wheel 5. Since the vehicle inner shaft is directly connected to the vehicle body, the ground wire connection block 2 has the function of a ground wire; in addition, in the present invention, one connection end of the ground wire connection block 2 is abutted against the spline shaft 3, and the spline shaft 3 is connected to one end of the fixed rod 8, so that one connection end of the ground wire connection block 2 is connected to the fixed rod 8, and the other end of the fixed rod 8 is connected to the second switch connection module 902, so that the ground wire connection block 2 is connected to the second switch connection module 902; a first connection end of the ball spring 4 and a second connection end of the carbon brush spring 7 are abutted against the bottom gasket 6, and the bottom gasket 6 is connected to the first switch connection module 901, so that the ball spring 4 and the carbon brush spring 7 are connected to the first switch connection module 901, so that the connection end of the ground wire connection block 2. A first connection end of the ball spring 4 and a second connection end of the carbon brush spring 7 are both led to the steering wheel 5; the switch structure 9 also includes two pressing components 903, which are electrically connected to the first switch connection module 901 through the first connection pin 90314 of the pressing component 903, and the second connection pin 90324 is electrically connected to the second switch connection module 902, so that the ball spring 4 and the carbon brush spring 7 are conductively connected to the first connection pin 90314, and the ground connection block 2 is conductively connected to the second connection pin 90324; at the same time, the other connection end of the ground connection block 2 is connected to the original vehicle controller 10, and the other first connection end of the ball spring 4 and the other second connection end of the carbon brush spring 7 are connected to the original vehicle controller 10, so that the ground connection The other connection end of block 2 is connected to the other first connection end of the ball spring 4 and the other second connection end of the carbon brush spring 7 in the original vehicle controller 10; by pressing the pressing component 903 downward, the first connecting pin 90314 and the second connecting pin 90324 are connected, so that the switch structure 9, the ball spring 4, the carbon brush spring 7, the two ground connection blocks 2, and the original vehicle controller 10 form a complete conductive circuit. When the pressing component 903 is pressed, the horn signal is received through the ball spring 4 and the carbon brush spring 7, and the signal is transmitted to the original vehicle controller 10, thereby controlling the car horn to sound; in the utility model, a carbon brush spring 7 is used, and the carbon brush directly contacts the bottom gasket 6, so that the received signal is more reliable.

[0038] In some possible implementations, the first switch connection module 901 includes: a first gasket 9011, the first gasket 9011 is fixed at the receiving interface, the first gasket 9011 is located above the bottom gasket 6, and the first gasket 9011 is connected to the bottom gasket 6 through a first conductive member; a first pin 9012, one end of the first pin 9012 is fixed on the first gasket 9011; wherein, the bottom gasket 6 is a circular ring structure, and the inner diameter of the bottom gasket 6 is adapted to the outer diameter of the fixing rod 8; the first gasket 9011, the bottom gasket 6, the first pin 9012 and the fixing rod 8 are all made of conductive materials, and the first conductive member is made of an externally insulated conductive material.

[0039] Specifically, the first gasket 9011 is connected to the bottom gasket 6, and a first pin 9012 is fixed on the first gasket 9011. Since the ball end and the carbon brush end of the ball spring 4 and the carbon brush spring 7 are against the bottom gasket 6, the ball spring 4 and the carbon brush spring 7 are both connected to the first pin 9012.

[0040] In some possible implementations, the second switch connection module 902 includes: a second gasket 9021, which is located in the middle of the first gasket 9011 and does not contact the first gasket 9011; the other end of the fixing rod 8 is in contact with the second gasket 9021; a second pin 9022, one end of the second pin 9022 is fixed on the second gasket 9021; wherein the second gasket 9021 and the second pin 9022 are both made of conductive materials.

[0041] Specifically, the second gasket 9021 is connected to the fixed rod 8, the second pin 9022 is fixed on the second gasket 9021, the fixed rod 8 is connected to the spline shaft 3, and the ball ends of the two grounding blocks 2 are against the spline shaft 3, so that the two grounding blocks 2 are connected to the second pin 9022.

[0042] In some possible implementations, the switch structure 9 further includes two pressing assemblies 903, the two pressing assemblies 903 being fixed on the second gasket 9021, and the two pressing assemblies 903 being symmetrically arranged with the meridian of the fixing rod 8 as the axis of symmetry; each pressing assembly 903 includes: a first conductive piece 9031, the first conductive piece 9031 including a first guide piece 90311, two spring sleeve columns 90312 and two first connecting columns 90313; the two spring sleeve columns 90312 are located at one end of the first guide piece 90311, and the first connecting column 90313 is provided at the bottom of the second gasket 9021. At both ends of the surface, one end of the two spring sleeve columns 90312 is fixedly connected to one end face of the first guide piece 90311; the two first connecting columns 90313 are located between the two spring sleeve columns 90312, and one end of the two first connecting columns 90313 is fixedly connected to one end face of the first guide piece 90311; the second conductive piece 9032, the second conductive piece 9032 includes a second guide piece 90321, two spring fixing seats 90322 and two second connecting columns 90323; the two spring fixing seats 90322 are located between the At both ends of one end surface of the second guide piece 90321, one end of the two spring fixing seats 90322 is fixedly connected to one end surface of the second guide piece 90321, and the two spring fixing seats 90322 are distributed correspondingly to the two spring sleeve columns 90312; the two second connecting columns 90323 are located between the two spring fixing seats 90322, one end of the two second connecting columns 90323 is fixedly connected to one end surface of the second guide piece 90321, and the two second connecting columns 90323 are distributed correspondingly to the two first connecting columns 903 13 corresponding distribution; two springs 9033, one end of each spring 9033 is fixedly connected to the other end of a corresponding spring fixing seat 90322, and the other end of each spring 9033 is sleeved on a corresponding spring sleeve column 90312; wherein, the first guide piece 90311, the two first connecting columns 90313, the second guide piece 90321, and the two second connecting columns 90323 are all made of conductive materials; the two spring sleeve columns 90312 and the two spring fixing seats 90322 are all made of insulating materials.

[0043] Specifically, the first conductive piece 9031 is located below the second conductive piece 9032. The first guide piece 90311 is used to fix the spring sleeve column 90312, the first connecting column 90313 and the first connecting pin 90314. The spring sleeve column 90312 is used to set the spring 9033 on the periphery to fix the spring position. The first connecting pin 90314 is used to electrically connect with the first plug 9012. The second guide piece 90321 is used to fix the spring fixing seat 90322, the second connecting column 90323 and the second connecting pin 90324. The spring fixing seat 90322 is fixed to the second connecting column 90323 and the second connecting pin 90324. 0322 Since the spring 9033 is fixed, the position of the spring fixing seat 90322 is opposite to the position of the spring sleeve column 90312, so that the spring 9033 can be vertically compressed and rebounded; the positions of the first connecting column 90313 and the second connecting column 90323 are opposite. When the spring fixing seat 90322 compresses the spring 9033 toward the spring sleeve column 90312, the first connecting column 90313 contacts the second connecting column 90323, so that the speaker hairspring structure circuit is turned on. It can be seen that the switch structure 9 plays the role of a switch for turning on the speaker hairspring structure circuit.

[0044] In some possible implementations, each of the pressing components 903 further includes: two fixing posts 9034, the two fixing posts 9034 being spaced apart and arranged on the second gasket 9021, one end of each fixing post 9034 being fixedly connected to the second gasket 9021, and the other ends of the other end surface of the first guide piece 90311 being fixedly connected to the other ends of the two fixing posts 9034; a pressing post 9035, one end of the pressing post 9035 being fixedly connected to the other end surface of the second guide piece 90321 wherein, the first conductive piece 9031 further comprises a first connecting pin 90314, one end of which is fixedly connected to the first conductive piece 90311; the second conductive piece 9032 further comprises a second connecting pin 90324, one end of which is fixedly connected to the second conductive piece 90321; the two fixing posts 9034 and the pressing post 9035 are both made of insulating materials; the first connecting pin 90314 and the second connecting pin 90324 are both made of conductive materials.

[0045] Specifically, the fixing column 8 plays a role of spatial support and insulation, so that the first guide piece 90312 and the second gasket 9021 are insulated; the pressing column 9035 plays a role of spatial support, and is used to press the second guide piece 90322 to connect the first connecting column 90313 and the second connecting column 90323.

[0046] In some possible implementations, the other end of the first connecting pin 90314 of one pressing component 903 is respectively connected to the other end of the first plug 9012 and the other end of the second connecting pin 90324 of another pressing component 903 by a wire; the other end of the first connecting pin 90314 of another pressing component 903 is respectively connected to the other end of the second plug 9022 and the other end of the second connecting pin 90324 of one pressing component 903 by a wire.

[0047] Specifically, the first connecting pin 90314 of a pressing component 903 is respectively connected to the first plug 9012 and the second connecting pin 90324 of another pressing component 903, so that the first plug 9012 is conductively connected to the second connecting pin 90324 of another pressing component 903; the first connecting pin 90314 of another pressing component 903 is respectively connected to the second plug 9022 and the second connecting pin 90324 of a pressing component 903, so that the second plug 9022 is conductively connected to the second connecting pin 90324 of a pressing component 903. When the pressing column 9035 is pressed, the first connecting pin 90314 of each pressing component 903 is conductively connected to the second connecting pin 90324, so that the first plug 9012 and the second plug 9022 are conductively connected, thereby making the speaker hairspring structure circuit conductive.

[0048] In some possible implementations, the fixed cover plate 1 includes: a first step fixing plate 101, the first step fixing plate 101 is a circular ring structure, and the two ground wire blocks 2 are fixed on the first step fixing plate 101; a second step fixing plate 102, the second step fixing plate 102 is a circular ring structure, and the ball spring 4 and the carbon brush spring 7 are both fixed on the second step fixing plate 102; a bottom fixing plate 103, the bottom fixing plate 103 is a circular ring structure, and the inner diameter of the bottom fixing plate 103 is smaller than the outer diameter of the spline shaft 3; wherein the outer diameters of the first step fixing plate 101, the second step fixing plate 102, and the bottom fixing plate 103 are the same, the inner diameter of the first step fixing plate 101 is larger than the inner diameter of the second step fixing plate 102, and the inner diameter of the second step fixing plate 102 is larger than the inner diameter of the bottom fixing plate 103; the spline shaft 3 is made of conductive material.

[0049] Specifically, the two ground wire blocks 2 are fixed on the first step fixing plate 101, and the support and fixing shells of the two ground wire blocks 2 are made of plastic insulating materials, so that the two ground wire blocks 2 are fixed on the first step fixing plate 101 but are not conductive with the first step fixing plate 101; the ball spring 4 and the carbon brush spring 7 are symmetrically fixed on the second step fixing plate 102 with the radial line of the second step fixing plate 102 as the symmetry axis, and the support and fixing shells of the ball spring 4 and the carbon brush spring 7 are made of plastic insulating materials, so that there is no conductivity between the ball spring 4 and the carbon brush spring 7 and the second step fixing plate 102; the spline shaft 3 is located at the center of the bottom fixing plate 103, and is conductive with the bottom fixing plate 103, and at the same time the spline shaft 3 is conductive with the inner shaft of the vehicle, so that the two ground wire blocks 2 act as ground wires.

[0050] In some possible implementations, the supporting shells of the ball spring 4 and the carbon brush spring 7 are both made of insulating material, a first connecting end of the ball spring 4 is a ball, and the other first connecting end of the ball spring 4 is connected to one end of the first wire; a second connecting end of the carbon brush spring 7 is a carbon brush, and the other second connecting end of the carbon brush spring 7 is connected to one end of the second wire; the other end of the first wire is connected to the other end of the second wire, and is connected to the original vehicle controller 10 through a third wire; the supporting shells of the two ground wire blocks 2 are made of insulating material, and one connecting end of each ground wire block 2 is a ball; the other connecting end of each ground wire block 2 is connected to one end of the fourth wire, the other connecting end of the other ground wire block 2 is connected to one end of the fifth wire, the other end of the fourth wire is connected to the other end of the fifth wire, and is connected to the original vehicle controller 10 through a sixth wire.

[0051] Specifically, the abutting end of the ball spring 4 and the bottom gasket 6 is a ball, and the other first connecting end of the ball spring 4 is connected to one end of the first wire; the abutting end of the carbon brush spring 7 and the bottom gasket 6 is a carbon brush, and the other second connecting end of the carbon brush spring 7 is connected to one end of the second wire, the ball spring 4 and the carbon brush spring 7 are connected in parallel, and are connected to the original vehicle controller 10 through a third wire. The life of the ball spring 4 is not high but the cost is low, and the life of the carbon brush spring 7 is relatively long and the reliability is better, but the cost is relatively high. Connecting a ball spring 4 and a carbon brush spring 7 in parallel avoids a significant increase in cost while improving the life of the hairspring; the supporting shell of the ground wire block 2 is used to support and fix the ground wire block 2, so that there is no conduction between the connected end of the ground wire block 2 and the first step fixing plate 101; the abutting end of each ground wire block 2 and the spline shaft 3 is a ball, which avoids the use of carbon brushes here to cause carbon powder to fall into the motor under the spline shaft 3, thereby affecting The life of the horn motor is prolonged. After the two ground wire blocks 2 are connected in parallel, they are connected to the original vehicle controller 10 through the sixth wire, so that the ball spring 4 and the carbon brush spring 7 are connected in parallel and then connected to the two parallel ground wire blocks 2 in the original vehicle controller 10. In the present utility model, it can be seen that the horn spring structure of the present utility model as a whole is a conducting circuit forming a closed loop. The switch structure 9 respectively connects one end of the parallel ball spring 4 and the carbon brush spring 7, and one end of the two parallel ground wire blocks 2, and the original vehicle controller 10 connects the other end of the parallel ball spring 4 and the carbon brush spring 7, and the other end of the two parallel ground wire blocks 2. The two ground wire blocks 2 here not only play the role of a conducting circuit, but also directly connect to the original vehicle body through the spline shaft 3 and the inner shaft of the vehicle, playing the role of a ground wire. Press the switch structure 9, the ball spring 4 and the carbon brush spring 7 receive the horn signal, and transmit it to the original vehicle controller 10, and the original vehicle controller controls the horn to sound.

[0052] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art based on the concepts of the present invention through logical analysis, reasoning, or limited experimentation based on the existing technology should be within the scope of protection defined by the claims.

Claims

1. A speaker hairspring structure, characterized in that: The horn hairspring structure includes: A fixed cover plate (1), wherein the fixed cover plate (1) is a stepped circular columnar structure; Two grounding wire blocks (2), the two grounding wire blocks (2) being fixed adjacently on the fixed cover plate (1), each grounding wire block (2) comprising two connection ends, one connection end of each grounding wire block being in contact with the spline shaft (3); a ball spring (4), the ball spring (4) being fixed on the fixed cover plate (1), the ball spring (4) comprising two first connection ends, one first connection end of the ball spring (4) being in contact with a bottom gasket (6) of the steering wheel (5); A carbon brush hairspring (7), wherein the carbon brush hairspring (7) is fixed on the fixed cover plate (1), and the carbon brush hairspring (7) includes two second connection ends. The carbon brush hairspring (7) and the ball hairspring (4) are symmetrically arranged with the center of the fixed cover plate (1) as the symmetry center, and one second connection end of the carbon brush hairspring (7) abuts against the bottom gasket (6); A fixing rod (8), the fixing rod (8) being located at the center of the spline shaft (3), the outer wall of one end of the fixing rod (8) being threadedly connected to the inner wall of the spline shaft (3), and the other end of the fixing rod (8) being fixedly connected to the fixing interface of the steering wheel (5); A switch structure (9), comprising a first switch connection module (901) and a second switch connection module (902); the first switch connection module (901) is fixed at a receiving interface of the steering wheel (5), and the first switch connection module (901) is connected to the bottom gasket (6); the second switch connection module (902) is located at the fixing interface, and the other end of the fixing rod (8) is in contact with and connected to the second switch connection module (902).

2. A speaker hairspring structure according to claim 1, characterized in that: The first switch connection module (901) comprises: a first gasket (9011), the first gasket (9011) being fixed at the receiving interface, the first gasket (9011) being located above the bottom gasket (6), and the first gasket (9011) being connected to the bottom gasket (6) via a first conductive member; a first latch (9012), one end of the first latch (9012) being fixed on the first gasket (9011); The bottom gasket (6) is in a circular ring structure, and the inner diameter of the bottom gasket (6) is adapted to the outer diameter of the fixing rod (8); the first gasket (9011), the bottom gasket (6), the first latch (9012) and the fixing rod (8) are all made of conductive materials, and the first conductive member is made of an externally insulated conductive material.

3. A speaker hairspring structure according to claim 2, characterized in that: The second switch connection module (902) includes: a second gasket (9021), the second gasket (9021) being located in the middle of the first gasket (9011), the second gasket (9021) not being in contact with the first gasket (9011); the other end of the fixing rod (8) being in contact and connected with the second gasket (9021); a second latch (9022), one end of the second latch (9022) being fixed on the second gasket (9021); Wherein, the second gasket (9021) and the second pin (9022) are both made of conductive materials.

4. The speaker hairspring structure according to claim 3, wherein: The switch structure (9) further comprises two pressing assemblies (903), the two pressing assemblies (903) being fixed on the second gasket (9021), and the two pressing assemblies (903) being symmetrically arranged with the warp of the fixing rod (8) as the axis of symmetry.

5. A speaker hairspring structure according to claim 4, characterized in that: Each of the pressing components (903) comprises: A first conducting piece (9031), comprising a first guide piece (90311), two spring sleeve columns (90312) and two first connecting columns (90313); the two spring sleeve columns (90312) are located at both ends of one end face of the first guide piece (90311), and one end of the two spring sleeve columns (90312) is fixedly connected to one end face of the first guide piece (90311); the two first connecting columns (90313) are located between the two spring sleeve columns (90312), and one end of the two first connecting columns (90313) is fixedly connected to one end face of the first guide piece (90311); A second conducting piece (9032), the second conducting piece (9032) comprises a second guide piece (90321), two spring fixing seats (90322) and two second connecting posts (90323); the two spring fixing seats (90322) are located at both ends of one end face of the second guide piece (90321), one end of the two spring fixing seats (90322) is fixedly connected to one end face of the second guide piece (90321), and the two spring fixing seats (90322) are distributed correspondingly to the two spring sleeve posts (90312); the two second connecting posts (90323) are located between the two spring fixing seats (90322), one end of the two second connecting posts (90323) is fixedly connected to one end face of the second guide piece (90321), and the two second connecting posts (90323) are distributed correspondingly to the two first connecting posts (90313); Two springs (9033), one end of each spring (9033) is fixedly connected to the other end of a corresponding spring fixing seat (90322), and the other end of each spring (9033) is sleeved on a corresponding spring sleeve column (90312); Wherein, the first guide piece (90311), the two first connecting pillars (90313), the second guide piece (90321), and the two second connecting pillars (90323) are all made of conductive materials; the two spring sleeve pillars (90312) and the two spring fixing seats (90322) are all made of insulating materials.

6. A speaker hairspring structure according to claim 5, characterized in that: Each of the pressing components (903) further comprises: Two fixing columns (9034), the two fixing columns (9034) are arranged on the second gasket (9021) at intervals, one end of each fixing column (9034) is fixedly connected to the second gasket (9021), and the two ends of the other end surface of the first guide piece (90311) are respectively fixedly connected to the other ends of the two fixing columns (9034); A pressing column (9035), one end of which is fixedly connected to the other end surface of the second guide piece (90321); The first conductive piece (9031) further comprises a first connecting pin (90314), one end of which is fixedly connected to the first conductive piece (90311); the second conductive piece (9032) further comprises a second connecting pin (90324), one end of which is fixedly connected to the second conductive piece (90321); the two fixing posts (9034) and the pressing post (9035) are both made of insulating materials; and the first connecting pin (90314) and the second connecting pin (90324) are both made of conductive materials.

7. The speaker hairspring structure according to claim 6, characterized in that: The other end of the first connecting pin (90314) of one pressing component (903) is respectively connected to the other end of the first latch (9012) and the other end of the second connecting pin (90324) of another pressing component (903) by a wire; the other end of the first connecting pin (90314) of another pressing component (903) is respectively connected to the other end of the second latch (9022) and the other end of the second connecting pin (90324) of one pressing component (903) by a wire.

8. A speaker hairspring structure according to claim 7, characterized in that: The fixed cover plate (1) comprises: A first step fixing plate (101), the first step fixing plate (101) is in a circular ring structure, and the two ground wire connection blocks (2) are fixed on the first step fixing plate (101); a second step fixing plate (102), the second step fixing plate (102) being in a circular ring structure, the ball spring (4) and the carbon brush spring (7) being fixed on the second step fixing plate (102); A bottom fixing plate (103), wherein the bottom fixing plate (103) is in a circular ring structure, and the inner diameter of the bottom fixing plate (103) is smaller than the outer diameter of the spline shaft (3); The outer diameters of the first step fixing plate (101), the second step fixing plate (102), and the bottom fixing plate (103) are the same; the inner diameter of the first step fixing plate (101) is larger than the inner diameter of the second step fixing plate (102); and the inner diameter of the second step fixing plate (102) is larger than the inner diameter of the bottom fixing plate (103); and the spline shaft (3) is made of a conductive material.

9. The speaker hairspring structure according to claim 8, characterized in that: The supporting shells of the ball spring (4) and the carbon brush spring (7) are both made of insulating materials; a first connection end of the ball spring (4) is a ball, and the other first connection end of the ball spring (4) is connected to one end of a first wire; a second connection end of the carbon brush spring (7) is a carbon brush, and the other second connection end of the carbon brush spring (7) is connected to one end of a second wire; the other end of the first wire is connected to the other end of the second wire, and is connected to an original vehicle controller (10) via a third wire.

10. The speaker hairspring structure according to claim 9, characterized in that: The supporting shells of the two grounding wire blocks (2) are made of insulating material, and one connecting end of each grounding wire block (2) is a ball; the other connecting end of each grounding wire block (2) is connected to one end of a fourth wire, the other connecting end of another grounding wire block (2) is connected to one end of a fifth wire, the other end of the fourth wire is connected to the other end of the fifth wire, and is connected to the original vehicle controller (10) via a sixth wire.

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