A combination switch
By integrating the speaker contacts into the interior of the electric forklift combination switch to prevent them from rotating with the steering wheel, the serious wear of the speaker contacts in the prior art is solved, and higher durability and lower failure rate are achieved.
Patent Information
- Application Number
- CN202011191133.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- Filing Date
- 2020-10-30
- Publication Date
- 2025-05-09
- Estimated Expiration
- 2040-10-30
AI Technical Summary
The horn contacts of existing electric forklift combination switches rotate with the steering wheel, resulting in the conductive column and the conductive plate always in press-fit contact, which is severely worn and has a high failure rate.
Integrate the speaker contacts into the combination switch to prevent them from rotating with the steering wheel, and improve installation accuracy through multiple limit structures.
It effectively avoids excessive wear of the speaker contacts, reduces the failure rate, and improves the handling and structural durability of the combined switch.
Smart Images

Figure CN112201554B_ABST
Abstract
Description
Technical Field
[0001] The invention belongs to the technical field of vehicle switches, and in particular relates to a combination switch for an electric forklift. Background Art
[0002] In recent years, with the development of new energy, electric forklifts have developed rapidly. At present, electric forklifts often use combination switches, which are used to control the forward / reverse, light and horn of the electric forklift. The combination switch is assembled from multiple control components, each of which controls different parts, and each control component can be replaced separately.
[0003] The existing forklift combination switch is generally installed on the steering column under the steering wheel to facilitate the driver's operation. The installation structure is relatively complex and the accuracy is poor. The horn operating structure (such as the horn cover) rotates with the rotation of the steering wheel. The existing horn contacts are generally installed under the horn cover, which rotates with the rotation of the steering wheel. The connection line of the horn contact needs to be introduced into the conductive disk below through the conductive column. The conductive column will rotate with the rotation of the steering wheel, and the conductive disk is fixed on the column, which will make the conductive column and the conductive disk always in press-fit contact. When the steering wheel rotates, the conductive column and the conductive disk have relative movement and severe wear. Usually, oil and grease are applied between the conductive column and the conductive disk to reduce wear, but it still cannot solve the wear problem caused by structural defects, resulting in a high failure rate. Summary of the invention
[0004] In view of this, it is necessary for the present invention to provide a combination switch, which integrates multiple switch components into the same housing after assembly, effectively reduces the space area occupied by the switch components, and highly integrates to realize the control of multiple switches in a small area, with good controllability. The horn contact is integrated into the interior of the combination switch so that it does not rotate with the steering wheel, avoiding excessive wear and reducing the failure rate. At the same time, the push-type horn switch and the handle horn switch are integrated, and both methods can turn on the horn, which is convenient for the staff to operate, so as to solve the above problems.
[0005] In order to achieve the above object, the present invention first provides a combination switch, the combination switch comprises a housing, a horn control assembly respectively fixedly connected to the housing, a travel control assembly integrated with a handle horn switch, a light control assembly and a steering angle acquisition assembly, the upper end surface of the housing is provided with a mounting groove, a horn sheet and a first elastic member are sequentially fixed on the peripheral end surface of the groove opening of the mounting groove, the horn control assembly is fixed in the mounting groove and contacts the first elastic member;
[0006] The speaker control assembly comprises a cover, a conductive ring, a conductive ring seat and a contact base, wherein the cover is fixedly connected to the conductive ring seat, the conductive ring is fixedly connected to a side of the conductive ring seat away from the cover, the conductive ring seat is connected to the contact base, and the conductive ring seat can move up and down along the contact base and can be tilted;
[0007] The contact base is arranged in the mounting groove, and a speaker column and a second elastic member are provided on a surface of the contact base close to the conductive ring seat, the end of the second elastic member away from the contact base contacts and presses the conductive ring, a gap is left between the speaker column and the conductive ring, and the end of the speaker column away from the conductive ring contacts the first elastic member.
[0008] Further, the mounting slot has a flange around its notch, the speaker is fixedly mounted on the end face of the flange away from the housing, and the first elastic member is fixedly mounted on the end face of the speaker away from the flange. Further, the conductive ring seat includes a first annular end face, a first buckle is provided on a face of the first annular end face away from the contact base, and the cover is fixedly connected to the conductive ring seat via the first buckle;
[0009] A support for supporting the conductive ring is provided on a side of the conductive ring seat facing away from the cover, a first inner wall and a first outer wall are vertically extended along the edge of the first annular end face, the conductive ring is arranged between the first inner wall and the first outer wall, a second buckle is provided at the end of the first inner wall away from the first annular end face, a first boss is provided on a side of the first inner wall facing the first outer wall, and the first boss is arranged between adjacent second buckles.
[0010] Furthermore, the contact base includes a second annular end face, a first notch is formed on the second annular end face, and the first boss is inserted into the first notch; the second annular end face has a second inner wall and a second outer wall extending vertically along its edge, and a limiting guide groove is provided on the second inner wall, and the limiting guide groove cooperates with the second buckle, so that the conductive ring seat can move in the contact base without rotating.
[0011] Furthermore, a first through hole and a second through hole are formed on the second annular end surface, the speaker column is disposed in the first through hole, and the second elastic member is disposed in the second through hole.
[0012] Furthermore, the first through hole is a stepped hole, and the second through hole is a blind hole.
[0013] Furthermore, a third buckle and a second notch are provided at the end of the second inner wall away from the conductive ring seat, and a buckle groove cooperating with the third buckle and a second boss cooperating with the second notch are respectively provided in the mounting groove, so that the second inner wall is inserted into the mounting groove to fix the contact base to the shell.
[0014] Furthermore, the combination switch also includes a driving control component, a lighting control component and a steering angle acquisition component integrated with a handle horn switch, and the driving control component, the lighting control component and the steering angle acquisition component are respectively fixedly connected to the shell, wherein the handle horn switch is arranged at the end of the driving control component away from the shell.
[0015] Furthermore, the handle horn switch comprises a horn button, a mounting seat and a handle, the inner side surface of the horn button is provided with a third boss, the third boss is sequentially sleeved with a moving contact piece and a third elastic member, and one end of the third elastic member presses the moving contact piece against the inner side surface of the horn button;
[0016] A first static contact piece and a second static contact piece are installed in the mounting seat, and the first static contact piece and the second static contact piece are connected in parallel with the speaker column. A cylindrical platform is provided between the first static contact piece and the second static contact piece, and the mounting seat is sleeved in a cover and fixedly connected to the speaker button. The end of the third elastic member away from the moving contact piece is sleeved on the cylindrical platform and supports the bottom surface of the mounting seat.
[0017] Furthermore, the inner surface of the cover is provided with a fourth boss and a first limiting groove, and the side surface of the cover may be provided with a third through hole;
[0018] The outer surface of the mounting seat is provided with a second limiting groove and a fifth boss, and the side of the mounting seat is provided with a fourth through hole, the fourth boss is adapted to the second limiting groove, and the first limiting groove is adapted to the fifth boss. After the mounting seat is inserted into the cover and limited in position, a pin shaft is inserted into the third through hole and the fourth through hole to fix the cover, the cover, the mounting seat and the handle are fixedly connected.
[0019] Furthermore, a third limiting groove extends vertically on the edge of the horn button, and a sixth boss is provided on the inner surface of the mounting seat. The sixth boss is adapted to the third limiting groove to fix the horn button to the mounting seat.
[0020] Compared with the prior art, the combination switch of the present invention not only effectively reduces the space occupied by the switch components by assembling the switch components and integrating them into the same housing, but also effectively realizes the centralized control of the small areas of each switch component through high integration, so that the controllability is better and the use is more convenient. The horn control module is easy to operate and has high structural durability. The driving control module is provided with a horn button switch, which is connected in parallel with the horn switch on the horn control module. The driving control module, the lighting control module and the horn control module are all independent modules and can be replaced separately for easy maintenance. Among them, a gap is provided between the horn column and the conductive ring of the push-type horn switch, so that the horn column and the conductive ring are in a separated state, and are in a conducting state only when there is an external force pressing together, thereby avoiding the traditional conductive column and the conductive disk always being in a pressed contact friction state, and solving the problem of easy wear and high failure rate. In addition, the combination switch is matched with a variety of limit structures, and has high installation accuracy. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 It is a schematic diagram of the explosion structure of a combination switch in a preferred embodiment of the present invention;
[0022] Figure 2 for Figure 1 An exploded schematic diagram of the middle housing 10 and the speaker control assembly 20;
[0023] Figure 3 for Figure 2 A cross-sectional schematic diagram of the middle housing 10 and the speaker control assembly 20 after being assembled;
[0024] Figure 4 for Figure 2 A schematic diagram of the three-dimensional structure of the middle conductive ring seat 203 from an upper perspective;
[0025] Figure 5 for Figure 2 A schematic diagram of the three-dimensional structure of the middle conductive ring seat 203 from a bottom perspective;
[0026] Figure 6 for Figure 2 A schematic structural diagram of the conductive ring 202;
[0027] Figure 7 for Figure 2 A schematic structural diagram of the middle contact base 204;
[0028] Figure 8 This is a schematic diagram of the structure of a handle horn switch 60 in a preferred embodiment of the present invention;
[0029] Fig. 9 for Figure 8 An exploded view of the middle handle horn switch 60;
[0030] Fig.10 for Figure 8 A cross-sectional schematic diagram of the middle handle horn switch 60;
[0031] Fig.11 for Fig. 9 A schematic structural diagram of the combination of the middle speaker button 601 and the moving contact piece 604;
[0032] Fig.12 for Fig. 9 A schematic diagram of the structure of the middle cover 608;
[0033] Fig.13 for Fig. 9 A schematic structural diagram of the middle mounting seat 602;
[0034] Fig.14 and Fig.15 The figure is a schematic diagram of the combined structure of a combination switch and a steering wheel in a preferred embodiment of the present invention.
[0035] In the figure: housing 10, mounting groove 101, flange 102, speaker plate 103, first elastic member 104;
[0036] Speaker control assembly 20, cover 201, conductive ring 202, conductive ring seat 203, first annular end face 2031, first buckle 2032, support platform 2033, first inner wall 2034, first outer wall 2035, second buckle 2036, first boss 2037, contact base 204, second annular end face 2041, first notch 2042, first through hole 2043, second through hole 2044, second inner wall 2045, second outer wall 2046, limiting guide slot 2047, third buckle 2048, second notch 2049, speaker column 205, second elastic member 206;
[0037] Travel control assembly 30;
[0038] Lighting control assembly 40;
[0039] Steering angle acquisition component 50;
[0040] Handle horn switch 60, horn button 601, third boss 6011, third limiting groove 6012, mounting seat 602, first static contact piece mounting seat 6021, second static contact piece mounting seat 6022, cylindrical table 6023, second limiting groove 6024, fifth boss 6025, sixth boss 6026, fourth through hole 6027, handle 603, moving contact piece 604, third elastic member 605, first static contact piece 606, second static contact piece 607, cover 608, fourth boss 6081, first limiting groove 6082, third through hole 6083, pin shaft 609.
[0041] Steering wheel assembly 70, steering wheel body 701, speaker cover 702, push rod pressure cover 703, speaker push rod 704, return spring 705;
[0042] Steering column 80. DETAILED DESCRIPTION
[0043] The combination switch provided by the present invention will be further described in detail below with reference to the accompanying drawings of the specification.
[0044] It should be noted that when a component is referred to as being "fixed to", "disposed on", or "installed on" another component, it can be directly on the other component or indirectly on the other component. However, when an element is referred to as being "connected to" or "connected to" another element, it can be directly connected to the other element or indirectly connected to the other element. In addition, connection generally refers to the use for fixing, and the fixing here can be any conventional fixing method in the art, such as "threaded connection", "riveting", "welding", etc.
[0045] It should be understood that the directions or positional relationships indicated by terms such as "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside" and "outside" are based on the directions or positional relationships shown in the drawings of the specification, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific direction, be constructed or operate in a specific direction, and therefore should not be understood as limiting the present invention.
[0046] This embodiment discloses a combination switch for an electric forklift. Figure 1 As shown in the figure, the combination switch includes a housing 10, a horn control component 20, a driving control component 30, a light control component 40 and a steering angle acquisition component 50, wherein the horn control component 20, the driving control component 30 and the light control component 40 are used to control the horn, driving and light of the electric forklift respectively, and the steering angle acquisition component 50 has the function of acquiring the steering wheel angle. Please continue to refer to Figure 1 In this embodiment, the horn control component 20 is arranged on the upper end surface of the shell 10, the driving control component 30 and the light control component 40 are respectively arranged on the opposite sides of the shell 10, and the steering angle acquisition component 50 is arranged on the lower end surface of the horn control component 20. Specifically, the horn control component 20 is fixedly connected to the shell 10 in the form of fasteners, and the driving control component 30, the light control component 40 and the steering angle acquisition component 50 are respectively fixedly connected to the shell 10 by screws. In this embodiment, each component is an independent component, so that it can be replaced separately, which is convenient for maintenance.
[0047] For further information, see Figure 2The upper end surface of the housing 10 is provided with a mounting groove 101, and a flange 102 is provided along the circumference of the groove of the mounting groove 101. A speaker plate 103 is fixedly provided on the end surface of the flange 102 away from the housing 10, and a first elastic member 104 is fixedly provided on the end surface of the speaker plate 103 away from the flange 102, so that the speaker control assembly 20 is installed in the mounting groove 101 and contacts the first elastic member 104. Specifically, the speaker plate 103 and the first elastic member 104 are fixed in a conventional manner in the art, such as screws, etc., which will not be described in detail here. In addition, the first elastic member 104 here refers to a commonly used elastic part in the art. In this embodiment, a spring is used. Please refer to FIG. Figure 3 and Figure 2 , one end of the first elastic member 104 contacts the speaker plate 103, and the end of the first elastic member 104 away from the speaker plate 103 contacts the speaker control assembly 20. It can be understood that the number and arrangement of the speaker plate 103 and the first elastic member 104 can be adjusted as needed. In this embodiment, the speaker plate 103 and the first elastic member 104 are both provided with two.
[0048] Further, such as Figure 2 and Figure 3 As shown in FIG. 1 , the speaker control assembly 20 includes a cover 201, a conductive ring 202, a conductive ring seat 203 and a contact base 204. The cover 201 is a pressure cover for pressing the speaker control assembly 20. The cover 201 is fixedly connected to the conductive ring seat 203 in the form of a lock. Specifically, as shown in FIG. Figure 4 and Figure 5 As shown in , the conductive ring seat 203 includes a first annular end face 2031, and a first buckle 2032 is provided on a side of the first annular end face 2031 on which the cover 201 is installed. The first buckle 2032 is used to fix the cover 201 and the conductive ring seat 203 and fasten them. In this embodiment, the first buckles 2032 are arranged at equal intervals along the first annular end face 2031. The first annular end face 2031 vertically extends with a first inner wall 2034 and a first outer wall 2035 along its edge. The end of the first inner wall 2034 away from the first annular end face 2031 is provided with a second buckle 2036, and a first boss 2037 is provided on a side of the first inner wall 2034 facing the first outer wall 2035. The first boss 2037 is arranged between adjacent second buckles 2036. For further information, please continue to refer to Figure 2 and Figure 3 The conductive ring 202 is disposed on the side of the first annular end face 2031 away from the cover 201. A support 2033 is disposed on the side of the first annular end face 2031 away from the cover 201. The support 2033 is used to fix the conductive ring 202 to the first annular end face 2031. The conductive ring 202 is disposed between the first inner wall 2034 and the first outer wall 2035. The structure of the conductive ring 202 is as follows: Figure 6As shown in , the shape of the notch of the inner ring is adapted to the second buckle 2036 and the first boss 2037 .
[0049] Furthermore, the structure of the contact base 204 is as follows: Figure 7 As shown in , the contact base 204 includes a second annular end face 2041, on which a first notch 2042, a first through hole 2043 and a second through hole 2044 are provided, wherein the first boss 2037 is adapted to pass through the first notch 2042 to form a limit; further, the first through hole 2043 is a stepped hole, and a speaker column 205 is installed in the first through hole 2043. Figure 2 and Figure 3 The lower end of the speaker column 205 contacts the first elastic member 104, and the upper end of the speaker column 205 is used to contact the conductive ring 202; the second through hole 2044 is a blind hole, and a second elastic member 206 is inserted into the second through hole 2044. The upper end of the second elastic member 206 contacts the conductive ring 202, pressing the conductive ring 202 tightly into the conductive ring seat 203. For further information, please continue to refer to Figure 7 The second annular end surface 2041 has a second inner wall 2045 and a second outer wall 2046 extending vertically along its edge. Specifically, a limiting guide slot 2047 is provided on the second inner wall 2045. The limiting guide slot 2047 is matched with the second buckle 2036, so that the conductive ring seat 203 can move up and down in the contact base 204 and ensure that the conductive ring seat 203 does not rotate in the contact base 204. Specifically, as Figure 3 As shown in the figure, the conductive ring seat 203 and the contact base 204 are installed by cooperating the second buckle 2036 and the limiting guide slot 2047, the first boss 2037 and the first notch 2042. The second elastic member 206 presses the conductive ring 202 to tighten it, and a gap is left between the speaker column 205 and the conductive ring 202. At the same time, a gap is also left between the first outer wall 2035 of the conductive ring seat 203 and the second outer wall 2046 of the contact base 204, so that the conductive ring seat 203 can be tilted at a small angle around the contact base 204. Furthermore, the end of the second inner wall 2045 away from the second annular end face 2041 is provided with a third buckle 2048 and a second notch 2049, and the inner surface of the mounting groove 101 is provided with a buckle groove (not shown) matched with the third buckle 2048 and a second boss (not shown) matched with the second notch 2049, so that the second inner wall 2045 is inserted into the mounting groove 101, and the through-hole lock buckle and the limiter match are realized to fix the contact base 204. After fixing Figure 3 As shown in FIG. 1 , the lower end of the second outer wall 2046 of the contact base 204 is in contact with the upper end of the flange 102 .
[0050] Further, please combine Figure 1 and Figure 8A handle horn switch 60 is provided at the end of the travel control assembly 30 away from the housing 10. Specifically, the structure of the handle horn switch 60 is as follows: Fig. 9 As shown in , it includes a horn button 601, a mounting seat 602 and a handle 603. A first static contact piece 606 and a second static contact piece 607 are installed in the mounting seat 602. After the mounting seat 602 is set in a set cover 608, one end of the mounting seat 602 is connected to the horn button 601, and a moving contact piece 604 and a third elastic member 605 are connected between the mounting seat 602 and the horn button 601. For details, please refer to Fig.11 The inner side of the speaker button 601 is provided with a third boss 6011, the movable contact piece 604 is sleeved on the third boss 6011, and the third elastic member 605 is also sleeved on the third boss 6011. The end of the third elastic member 605 presses the movable contact piece 604 against the inner surface of the speaker button 601. It should be noted that the second elastic member 206 and the third elastic member 605 are both springs; for further information, please refer to Fig.13 The mounting seat 602 is provided with a first stationary contact piece mounting seat 6021 for mounting the first stationary contact piece 606 and a second stationary contact piece mounting seat 6022 for mounting the second stationary contact piece 607. A cylindrical platform 6023 is provided between the first stationary contact piece mounting seat 6021 and the second stationary contact piece mounting seat 6022. The end of the third elastic member 605 away from the third boss 6011 is sleeved on the cylindrical platform 6023 and supports the bottom surface of the mounting seat 602. For further information, please continue Fig.13 A second limiting groove 6024 and a fifth boss 6025 are provided on the outer surface of the mounting seat 602, a fourth through hole 6027 is provided on the side of the mounting seat 602, a sixth boss 6026 is provided on the inner surface of the mounting seat 602, and a fourth boss 6081 and a first limiting groove 6082 are provided on the inner surface of the cover 608. Fig.12 As shown, a third through hole 6083 is provided on the side of the cover 608, and the fourth boss 6081 is adapted to the second limiting groove 6024, and the first limiting groove 6082 is adapted to the fifth boss 6025, so as to realize the assembly of the mounting seat 602 and the cover 608, and after the mounting seat 602 is inserted into the cover 608, the cover 608, the mounting seat 602 and the handle 603 are fixedly connected by inserting the pin 609 in the third through hole 6083 and the fourth through hole 6027; further, a third limiting groove 6012 is vertically extended from the edge of the horn button 601, and the third limiting groove 6012 is adapted to the sixth boss 6026, so that the horn button 601 and the mounting seat 602 are fixedly connected. After the connection, as shown in FIG. Fig.10 As shown in .
[0051] In the combined switch of this embodiment, the first static contact piece 606 and the second static contact piece 607 are connected in parallel with the speaker column 205 to form two sets of parallel contacts. Both operation modes can turn on the speaker switch.
[0052] During specific operation, when external force acts on the cover 201, the cover 201 drives the conductive ring seat 203 and the conductive ring 202 to move downward, and the second elastic member 206 is compressed. When the gap between the speaker column 205 and the conductive ring 202 is eliminated, the conductive ring 202 contacts the speaker column 205, and the conductive ring 202 connects the two speaker columns 205; when the external force on the cover 201 continues to act, the cover 201, the conductive ring seat 203, the conductive ring 202, and the speaker column 205 continue to move downward, the first elastic member 104 is compressed, and the speaker column 205 is still connected by the conductive ring 202.
[0053] When the horn button 601 is pressed, the horn button 601 drives the moving contact piece 604 to compress the third elastic member 605. After being pressed down to a certain displacement, the moving contact piece 604 contacts the first stationary contact piece 606 and the second stationary contact piece 607 respectively, and the first stationary contact piece 606 and the second stationary contact piece 607 are turned on.
[0054] In the existing horn structure, the horn pressure plate rotates with the steering wheel, and the conductive part connected to it also rotates with the steering wheel. It is difficult to connect the two horn posts of the horn switch to the conductor. Generally, the conductive post and the conductive plate (conductor) are always in press-fit contact and friction contact, which is easy to wear and lead to high failure rate. In addition, the installation accuracy requirement is also high. Through the improvement of the combination switch in the present invention, please refer to Fig.14 and Fig.15The steering wheel assembly 70 and the combination switch are sequentially mounted on the steering column 80, wherein the steering wheel assembly 70 comprises a steering wheel body 701, the upper end surface of the steering wheel body 701 is provided with a guide hole, a horn cover 702 is mounted on the steering wheel body 701 through the guide hole, the lower part of the horn cover 702 presses the push rod pressure cover 703, the lower end of the push rod pressure cover 703 presses down the horn push rod 704, a return spring 705 is provided between the push rod pressure cover 703 and the end of the steering column 80, and the horn push rod 704 is arranged on the outside of the return spring 705, and the speaker top rod 704 is located on the upper part of the cover 201, corresponding to the speaker column 205. When the speaker cover 702 is pressed, the return spring 705 is in a compressed state, and the speaker top rod 704 moves down accordingly, contacts the cover 201, and continues to press the speaker cover 702, and the cover 201 continues to move down until the conductive ring 202 and the speaker column 205 and the speaker plate 103 are connected; after the speaker cover 702 is released, it is reset under the action of the return spring 705. It can be seen that the speaker plate 103 is installed inside the combination switch and fixed on the steering column 80. During the steering wheel rotation process, the speaker top rod 704, the top rod pressure cover 703, and the speaker cover 702 rotate with the steering wheel, while the speaker column 205 and the speaker plate 103 do not rotate with the steering wheel. There is a gap between the speaker column 205 and the cover 201. When the horn is not pressed, the moving parts and the non-moving parts are in a non-contact state, which completely solves the wear problem of the original combination switch. The combination switch has a compact structure, complete functions, reliable structure and easy operation.
[0055] The technical features of the above-described embodiments may be arbitrarily combined. To make the description concise, not all possible combinations of the technical features in the above-described embodiments are described. However, as long as there is no contradiction in the combination of these technical features, they should be considered to be within the scope of this specification.
[0056] The above-mentioned embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several variations and improvements can be made without departing from the concept of the present invention, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the patent of the present invention shall be subject to the attached claims.
Claims
1. A combination switch, comprising a housing, a horn control assembly respectively fixedly connected to the housing, a travel control assembly integrated with a handle horn switch, a light control assembly and a steering angle acquisition assembly, characterized in that: The upper end surface of the housing is provided with a mounting groove, and a speaker plate and a first elastic member are sequentially fixed on the peripheral end surface of the groove opening of the mounting groove, and the speaker control assembly is fixed in the mounting groove and contacts the first elastic member; The speaker control assembly comprises a cover, a conductive ring, a conductive ring seat and a contact base, wherein the cover is fixedly connected to the conductive ring seat, the conductive ring is fixedly connected to a side of the conductive ring seat away from the cover, the conductive ring seat is connected to the contact base, and the conductive ring seat can move up and down along the contact base and can be tilted; The contact base is arranged in the mounting groove, and a speaker column and a second elastic member are arranged on a surface of the contact base close to the conductive ring seat, and an end of the second elastic member away from the contact base contacts and presses the conductive ring, a gap is left between the speaker column and the conductive ring, and an end of the speaker column away from the conductive ring contacts the first elastic member; The handle horn switch has two stationary contact pieces connected in parallel with the horn column.
2. The combination switch according to claim 1, characterized in that: A flange is provided at the periphery of the groove opening of the installation groove, the speaker plate is fixedly arranged on the end surface of the flange away from the shell, and the first elastic member is fixedly arranged on the end surface of the speaker plate away from the flange.
3. The combination switch according to claim 1, characterized in that: The conductive ring seat comprises a first annular end face, a first buckle is provided on a surface of the first annular end face away from the contact base, and the cover is fixedly connected to the conductive ring seat via the first buckle; A support for supporting the conductive ring is provided on a side of the conductive ring seat facing away from the cover, a first inner wall and a first outer wall are vertically extended along the edge of the first annular end face, the conductive ring is arranged between the first inner wall and the first outer wall, a second buckle is provided at the end of the first inner wall away from the first annular end face, a first boss is provided on a side of the first inner wall facing the first outer wall, and the first boss is arranged between adjacent second buckles.
4. The combination switch according to claim 3, characterized in that: The contact base includes a second annular end face, a first notch is formed on the second annular end face, and the first boss is inserted into the first notch; the second annular end face has a second inner wall and a second outer wall vertically extending along its edge, and a limiting guide groove is formed on the second inner wall, and the limiting guide groove cooperates with the second buckle, so that the conductive ring seat can move in the contact base without rotating.
5. The combination switch according to claim 4, characterized in that: The second annular end surface is also provided with a first through hole and a second through hole. The speaker column is arranged in the first through hole, and the second elastic member is arranged in the second through hole.
6. The combination switch according to claim 5, characterized in that: The first through hole is a stepped hole, and the second through hole is a blind hole.
7. The combination switch according to claim 4, characterized in that: A third buckle and a second notch are provided at the end of the second inner wall away from the conductive ring seat, and a buckle slot that cooperates with the third buckle and a second boss that cooperates with the second notch are respectively provided in the installation groove, so that the second inner wall is inserted into the installation groove to fix the contact base to the shell.
8. The combination switch according to claim 1, characterized in that: The handle horn switch comprises a horn button, a mounting seat and a handle, wherein the inner side surface of the horn button is provided with a third boss, and a moving contact piece and a third elastic member are sequentially sleeved on the third boss, and one end of the third elastic member presses the moving contact piece against the inner side surface of the horn button; A first static contact piece and a second static contact piece are installed in the mounting seat, and the first static contact piece and the second static contact piece are connected in parallel with the speaker column. A cylindrical platform is provided between the first static contact piece and the second static contact piece, and the mounting seat is sleeved in a cover and fixedly connected to the speaker button. The end of the third elastic member away from the moving contact piece is sleeved on the cylindrical platform and supports the bottom surface of the mounting seat.
9. The combination switch according to claim 8, characterized in that: The inner surface of the cover is provided with a fourth boss and a first limiting groove, and the side surface of the cover is provided with a third through hole; The outer surface of the mounting seat is provided with a second limiting groove and a fifth boss, and the side of the mounting seat is provided with a fourth through hole, the fourth boss is adapted to the second limiting groove, and the first limiting groove is adapted to the fifth boss. After the mounting seat is inserted into the cover and limited in position, a pin shaft is inserted into the third through hole and the fourth through hole to fix the cover, the cover, the mounting seat and the handle are fixedly connected.
10. The combination switch according to claim 8, characterized in that: A third limiting groove is vertically extended from the edge of the horn button, and a sixth boss is provided on the inner surface of the mounting seat. The sixth boss is adapted to the third limiting groove to fix the horn button to the mounting seat.
Citation Information
Patent Citations
Combination switch
CN213366518U