CN220651867U

CN220651867U - CAN bus control switch

Info

Publication number: CN220651867U
Application number: CN202322315994.3U
Authority: CN
Inventors: 徐红东
Original assignee: Shaanxi Yugao Electronic Technology Co ltd
Current assignee: Shaanxi Yugao Electronic Technology Co ltd
Priority date: 2023-08-28
Filing date: 2023-08-28
Publication date: 2024-03-22
Anticipated expiration: 2033-08-28

Abstract

The utility model discloses a CAN bus control switch, which comprises a main body mechanism for sending an execution instruction to a CAN bus instrument or a CAN bus module or other ECU in a bus mode, wherein a protection component for protecting local parts of the main body mechanism is arranged on the main body mechanism; the protection component comprises a key film which is arranged at the top of the main body mechanism and used for shielding, and a connecting piece used for positioning is arranged between the edge of the key film and the top of the main body mechanism; through add the protective component on main part mechanism, utilize the button membrane can play the shielding effect to the gap of frame lid and button cap, effectively prevent that foreign matter such as dust or water from getting into or infiltration casing's inner chamber through the button groove on the frame lid, play waterproof, dustproof and anti-pollution's advantage, utilize the connecting piece can play the linking effect with button membrane and frame lid simultaneously for the button membrane can be fixed at the top of frame lid steadily, it is more convenient to use.

Description

CAN bus control switch

Technical Field

The utility model relates to the technical field of CAN bus switches, in particular to a CAN bus control switch.

Background

The CAN bus switch is widely applied to the automobile manufacturing industry, is one of the parts, and plays a great role in the running of the automobile.

The patent document with the prior bulletin number of CN215266028U discloses a bus switch with multiple feedback, which comprises an upper key frame cover, a rear shell, a key cap, a symbol sheet, a key column and a PCB main board, wherein a plurality of key grooves are formed in the upper surface of the upper key frame cover, locking blocks are fixedly connected to the left side and the right side of the rear shell, an adapter is fixedly connected to the bottom of the PCB main board, the key cap is positioned at the top of the symbol sheet, the symbol sheet is positioned at the top of the key column, and the key column is positioned at the top of the PCB main board. Through fixedly connected with adapter in PCB mainboard bottom, make bus switch and encoder be connected through the adapter, set up the function of different buttons through the encoder, compare traditional bus switch, do not need to preset in advance, use more nimble, reduced manufacturing cost.

Although the bus switch with multiple feedback CAN solve the corresponding technical problems, in the use process, foreign matters such as dust or water CAN enter or permeate into the inner cavity of the rear shell through the key groove, so that certain influence is caused on electric elements in the rear shell, the service life of the CAN bus control switch is shortened, and therefore, the CAN bus control switch is provided.

Disclosure of Invention

The utility model aims to provide a CAN bus control switch for solving the problems set forth in the background art.

In order to achieve the above purpose, the main technical scheme adopted by the utility model comprises the following steps:

CAN bus control switch, comprising:

the main body mechanism is used for sending an execution instruction to the CAN bus instrument or the CAN bus module or other ECU in a bus mode, and a protection assembly used for protecting local parts of the main body mechanism is arranged on the main body mechanism;

the protection assembly comprises a key film which is arranged at the top of the main body mechanism and used for shielding, and a connecting piece used for positioning is arranged between the edge of the key film and the top of the main body mechanism;

the connecting piece comprises an edge strip fixedly connected to the edge of the key film, a groove is formed in the bottom of the edge strip, and a convex strip capable of being clamped to the inner cavity of the groove is arranged at the top of the main body mechanism.

As the preferable technical scheme, main part mechanism includes casing, frame lid and button cap, the button cap is installed on the button post of casing inner chamber, set up the button groove with button cap looks adaptation on the frame lid, button cap swing joint is in the button inslot.

As the preferable technical scheme, both sides of casing all fixedly connected with fastener, the draw-in groove with fastener looks adaptation is seted up to the bottom of frame lid.

As an optimized technical scheme, the key film is integrally formed with a plurality of bulges, and each bulge corresponds to one key on the key cap.

As the preferable technical scheme, the cross sections of the grooves and the raised strips are round, and the diameter of the raised strips is larger than the opening size of the grooves.

As a preferable technical scheme, one corner of the edge strip is integrally formed with a pinching edge.

As an optimal technical scheme, the key film and the protrusions are made of composite materials of silica gel and TPU.

As an optimal technical scheme, the edge strips and the raised strips are made of silica gel materials.

The utility model has at least the following beneficial effects:

the waterproof and dustproof key has the beneficial effects that the protective component is additionally arranged on the main body mechanism, the key film can be used for shielding the gap between the frame cover and the key cap, so that foreign matters such as dust or water can be effectively prevented from entering or penetrating into the inner cavity of the shell through the key groove on the frame cover, the waterproof, dustproof and pollution-proof advantages are achieved, meanwhile, the key film and the frame cover can be connected through the connecting piece, the key film can be stably fixed at the top of the frame cover, and the waterproof and dustproof key is more convenient to use.

Drawings

FIG. 1 is a schematic diagram of a CAN bus control switch in a schematic view;

FIG. 2 is a schematic diagram of a CAN bus control switch of the utility model;

FIG. 3 is a schematic perspective cutaway view of a connection structure of a key membrane and a connecting piece in the CAN bus control switch of the utility model;

fig. 4 is an enlarged schematic diagram of the structure of the point a in the CAN bus control switch of the present utility model.

In the figure: 1. a main body mechanism; 11. a housing; 12. a frame cover; 13. a key cap; 14. a fastener; 2. a protective assembly; 21. a key film; 211. a protrusion; 22. a connecting piece; 221. edge strips; 222. a groove; 223. a convex strip; 23. pinching the edges.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, an embodiment of the present utility model provides a CAN bus control switch, including: the main body mechanism 1 is used for sending execution instructions to the CAN bus instrument or the CAN bus module or other ECU in a bus mode, and the protection assembly 2 is used for protecting local parts of the main body mechanism 1, and the protection assembly 2 is arranged on the top of the main body mechanism 1; the protection component 2 comprises a key film 21 which is arranged at the top of the main body mechanism 1 and used for shielding, and a connecting piece 22 used for positioning is arranged between the edge of the key film 21 and the top of the main body mechanism 1; the connecting piece 22 comprises a side bar 221 fixedly connected to the edge of the key film 21, a groove 222 is formed in the bottom of the side bar 221, and a raised line 223 capable of being clamped into the inner cavity of the groove 222 is formed in the top of the main body mechanism 1.

The main body mechanism 1 comprises a shell 11, a frame cover 12 and a key cap 13, wherein the key cap 13 is arranged on a key column in an inner cavity of the shell 11, a key groove matched with the key cap 13 is formed in the frame cover 12, and the key cap 13 is movably connected in the key groove.

It should be noted that the structure and the working principle of the main body mechanism 1 are the same as those of the prior art, and thus the detailed description thereof will not be provided in this technical scheme.

Wherein, the both sides of casing 11 are all fixedly connected with fastener 14, and the draw-in groove with fastener 14 looks adaptation is seted up to the bottom of frame lid 12, uses through the cooperation of fastener 14 and draw-in groove, realizes the detachable of casing 11 and frame lid 12 and is connected, and the convenience is followed to the inside electrical component of casing 11 and is maintained the maintenance.

Wherein, the key film 21 is integrally formed with a plurality of protrusions 211, each protrusion 211 corresponds to one key on the key cap 13, and the corresponding key can be accommodated by the protrusion 211.

Wherein, the cross section of recess 222 and sand grip 223 is circular, and the diameter of sand grip 223 is greater than the opening size of recess 222, on the basis that has guaranteed the strake 221 and sand grip 223 and be connected the reliability, be convenient for fix and dismantle.

One corner of the edge 221 is integrally formed with a pinching edge 23, and the pinching edge 23 can increase the contact area between the finger and the connecting piece 22, so that the protective component 2 can be lifted for disassembly.

Wherein, the key film 21 and the bulge 211 are made of composite materials of silica gel and TPU, which is more durable, and simultaneously can resist oil stains, and has low cost and wide application range.

The edge strips 221 and the raised strips 223 are made of silica gel material, and have high rebound resilience.

The working principle of the utility model is as follows: through placing key membrane 21 in the top of frame lid 12, and make every button on the key cap 13 place the inner chamber of corresponding protruding 211 one by one, aim at recess 222 with sand grip 223 this moment, and push down, the bottom of strake 221 receives the extrusion on sand grip 223 surface, make strake 221 warp, until sand grip 223 card to the inner chamber of recess 222 completely, strake 221 loses the restraint and resumes to original state, make the bottom laminating of strake 221 in the top of casing 11, and then make key membrane 21 be difficult for droing from the top of frame lid 12, waterproof, dustproof and anti-pollution's effect can be better played.

None of the utility models are related to the same or are capable of being practiced in the prior art. Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

CAN bus control switch, characterized by comprising:

the main body mechanism (1) is used for sending an execution instruction to the CAN bus instrument or the CAN bus module or the ECU in a bus mode, and is provided with a protection assembly (2) for protecting local parts of the main body mechanism;

the protection assembly (2) comprises a key film (21) which is arranged at the top of the main body mechanism (1) and used for shielding, and a connecting piece (22) used for positioning is arranged between the edge of the key film (21) and the top of the main body mechanism (1);

the connecting piece (22) comprises an edge strip (221) fixedly connected to the edge of the key film (21), a groove (222) is formed in the bottom of the edge strip (221), and a raised line (223) capable of being clamped to the inner cavity of the groove (222) is arranged at the top of the main body mechanism (1).
2. The CAN bus control switch of claim 1, wherein: the main body mechanism (1) comprises a shell (11), a frame cover (12) and a key cap (13), wherein the key cap (13) is arranged on a key column in an inner cavity of the shell (11), a key groove matched with the key cap (13) is formed in the frame cover (12), and the key cap (13) is movably connected in the key groove.
3. The CAN bus control switch of claim 2, wherein: both sides of casing (11) are all fixedly connected with fastener (14), the draw-in groove with fastener (14) looks adaptation is seted up to the bottom of frame lid (12).
4. The CAN bus control switch of claim 2, wherein: a plurality of bulges (211) are integrally formed on the key film (21), and each bulge (211) corresponds to one key on the key cap (13) respectively.
5. The CAN bus control switch of claim 1, wherein: the cross sections of the grooves (222) and the raised strips (223) are circular, and the diameter of the raised strips (223) is larger than the opening size of the grooves (222).
6. The CAN bus control switch of claim 1, wherein: one corner of the edge strip (221) is integrally formed with a pinching edge (23).
7. The CAN bus control switch of claim 1, wherein: the key film (21) and the protrusions (211) are made of composite materials of silica gel and TPU.
8. The CAN bus control switch of claim 7, wherein: the edge strips (221) and the raised strips (223) are made of silica gel materials.