Microminiature sensor assembly based on automobile safety
By designing ultra-small sensor components of hollow tubes and cylindrical blocks and using multiple connecting components for detachable connection, the problem of poor sensor installation stability is solved, achieving higher installation stability and convenient disassembly and assembly process.
Patent Information
- Application Number
- CN202510153781.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-12
- Publication Date
- 2025-04-15
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
Existing ultra-small collision sensors are poorly stable when installed, making it difficult to ensure a firm fixation.
An ultra-small sensor assembly including a hollow tube and a cylindrical block is designed, and triple fixation of the sensor is achieved through the first, second and third connecting components.
It improves the installation stability of ultra-small sensors, and is easy to disassemble and assemble, improving the convenience of use.
Smart Images

Figure CN119821291A_ABST
Abstract
Description
Technical Field
[0001] The invention relates to the technical field of automobile safety, in particular to an ultra-small sensor component based on automobile safety. Background Art
[0002] The ultra-small collision sensor is a small and highly sensitive sensor, mainly used to detect small collisions or impacts. It is usually used as a control signal input device in the airbag system. Its function is that when a car collides, the ultra-small collision sensor detects the intensity signal of the car collision and inputs the signal into the airbag computer. The airbag computer determines whether to detonate the inflatable element to inflate the airbag based on the signal of the collision sensor.
[0003] However, currently, when the ultra-small collision sensor is fixed, usually only one method is used to fix the ultra-small collision sensor, which may result in poor installation stability. Therefore, an ultra-small sensor assembly based on automobile safety is invented. Summary of the invention
[0004] In view of the above and / or existing problems in an existing ultra-small sensor assembly based on automobile safety, the present invention is proposed.
[0005] Therefore, an object of the present invention is to provide an ultra-small sensor assembly based on automobile safety, which can solve the above-mentioned existing problems.
[0006] To solve the above technical problems, according to one aspect of the present invention, the present invention provides the following technical solutions:
[0007] A subminiature sensor assembly based on automobile safety comprises an object to be installed and an subminiature sensor, wherein a hollow tube is fixedly installed on one side of the subminiature sensor, a cylindrical block is fixedly installed on one side of the object to be installed, and the cylindrical block is inserted into the hollow tube, the bottom ends of the hollow tube and the cylindrical block are detachably connected together through a first connecting assembly, the middle ends of the hollow tube and the cylindrical block are detachably connected together through a second connecting assembly, and the top ends of the hollow tube and the cylindrical block are detachably connected together through a third connecting assembly.
[0008] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the first connecting assembly includes:
[0009] Storage grooves, both sides of the bottom end of the cylindrical block are provided with storage grooves;
[0010] Positioning holes are provided on both sides of the bottom end of the hollow tube.
[0011] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the first connecting assembly further includes:
[0012] A fixing plate, wherein the fixing plate is fixedly installed in the positioning hole;
[0013] A sliding rod, the sliding rod being slidably connected to the fixed plate;
[0014] A positioning block is fixedly mounted on one end of the slide bar and inserted into the positioning hole, and a top end of the positioning block is set as an inclined surface.
[0015] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the first connecting assembly further includes:
[0016] A limit plate, the limit plate is fixedly mounted on the other end of the slide bar;
[0017] The spring is sleeved on the slide rod, and two ends of the spring are respectively fixedly connected to the fixing plate and the limiting plate.
[0018] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the second connecting assembly includes:
[0019] First side plates, two sets of first side plates are fixedly installed on both sides of the middle of the hollow tube;
[0020] a first rotating shaft, the first rotating shaft being rotatably connected to the first side plate via a bearing;
[0021] A movable rod, wherein the movable rod is fixedly installed between the two sets of first rotating shafts;
[0022] A torsion spring is sleeved on the first rotating shaft, and two ends of the torsion spring are respectively fixedly connected to the first side plate and the movable rod.
[0023] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the second connection assembly further includes:
[0024] An extrusion rod, wherein the extrusion rod is fixedly mounted on one end of the movable rod, a positioning block is provided at one end of the movable rod, and one end of the movable rod is in contact with the positioning block;
[0025] A telescopic rod, the telescopic rod being fixedly mounted on the other end of the movable rod;
[0026] A connecting plate, the connecting plate being fixedly mounted on one end of the telescopic rod;
[0027] A second side plate, with the second side plates being fixedly mounted on both ends of one side of the connecting plate;
[0028] A second rotating shaft is rotatably connected between the two sets of second side plates through a bearing.
[0029] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the second connection assembly further includes:
[0030] A positioning rod, the positioning rod is fixedly mounted on the second rotating shaft and is slidably connected to the side wall of the hollow tube, and one side of the bottom of the positioning rod is set as an inclined surface;
[0031] Positioning grooves are provided on both sides of the top of the cylindrical block, and one end of the positioning rod is inserted into the positioning groove.
[0032] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the third connecting assembly includes:
[0033] A first arc-shaped plate, wherein a plurality of first arc-shaped plates are fixedly mounted in a circular arrangement at the top end of the inner cavity of the hollow tube;
[0034] A column, wherein the column is fixedly mounted on the top of the cylindrical block;
[0035] Second arc plates: a plurality of second arc plates are fixedly mounted on the outer surface of the column in a circular arrangement; the second arc plates pass through the space between the two groups of first arc plates and move to the top of the first arc plates, and contact the first arc plates after rotation.
[0036] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the third connecting assembly further includes:
[0037] An annular plate, wherein the annular plate is fixedly mounted on the bottom of the ultra-small sensor, and an inner cavity of the annular plate is provided with a hollow tube;
[0038] The inner surface of the annular plate is arranged in an annular shape and fixedly mounted with two groups of square plates.
[0039] As a preferred solution of the ultra-small sensor assembly based on automobile safety described in the present invention, the third connecting assembly further includes:
[0040] A rotating plate, wherein the rotating plate is fixedly mounted on the side wall of the hollow tube;
[0041] The rubber plate is fixedly mounted on one end of the rotating plate and is located between the two groups of square plates.
[0042] Compared with existing technologies:
[0043] By setting the first connecting component, the second connecting component and the third connecting component to connect the hollow tube and the cylindrical block, the ultra-small sensor can be triple-fixed when it is installed, thereby improving the installation stability of the ultra-small sensor; in addition, the first connecting component, the second connecting component and the third connecting component can also facilitate personnel to disassemble and assemble the ultra-small sensor, thereby improving convenience. BRIEF DESCRIPTION OF THE DRAWINGS
[0044] Figure 1 It is a front view schematic diagram of the structure of the present invention;
[0045] Figure 2 For the present invention Figure 1 A schematic diagram of the structure enlargement in the middle;
[0046] Figure 3 is a side view schematic diagram of a second connecting assembly of the present invention;
[0047] Figure 4 It is a top view schematic diagram of the column and the second curved plate of the present invention;
[0048] Figure 5 It is a top view schematic diagram of the hollow tube and the first curved plate of the present invention;
[0049] Figure 6 It is a schematic top view of the local structure of the third connecting assembly of the present invention;
[0050] Figure 7 For the present invention Figure 6 Enlarged schematic diagram of the structure at point B in the middle.
[0051] In the figure: the installed object 10, the ultra-small sensor 20, the hollow tube 30, the cylindrical block 31, the storage groove 40, the positioning hole 41, the fixing plate 42, the sliding rod 43, the positioning block 44, the limit plate 45, the spring 46, the first side plate 50, the first rotating shaft 51, the movable rod 52, the torsion spring 53, the extrusion rod 54, the telescopic rod 55, the connecting plate 56, the second side plate 57, the second rotating shaft 58, the positioning rod 59, the positioning groove 591, the first arc plate 60, the column 61, the second arc plate 62, the annular plate 63, the square plate 64, the rotating plate 65, and the rubber plate 66. DETAILED DESCRIPTION
[0052] In order to make the objectives, technical solutions and advantages of the present invention more clear, the embodiments of the present invention will be further described in detail below with reference to the accompanying drawings.
[0053] The present invention provides an ultra-small sensor assembly based on automobile safety. Figure 1-Figure 7, including an object to be installed 10 and an ultra-small sensor 20, a hollow tube 30 is fixedly installed on one side of the ultra-small sensor 20, a cylindrical block 31 is fixedly installed on one side of the object to be installed 10, and the cylindrical block 31 is inserted into the hollow tube 30, the bottom ends of the hollow tube 30 and the cylindrical block 31 are detachably connected together through a first connecting component, the middle ends of the hollow tube 30 and the cylindrical block 31 are detachably connected together through a second connecting component, and the top ends of the hollow tube 30 and the cylindrical block 31 are detachably connected together through a third connecting component; wherein the object to be installed 10 includes but is not limited to positions such as inside the left and right fenders of the front of the vehicle body, the center of the front of the vehicle body, and under the left and right headlight brackets.
[0054] The first connecting assembly includes: a receiving groove 40, a positioning hole 41, a fixing plate 42, a sliding rod 43, a positioning block 44, a limiting plate 45, and a spring 46;
[0055] Receiving grooves 40 are provided on both sides of the bottom end of the cylindrical block 31, and positioning holes 41 are provided on both sides of the bottom end of the hollow tube 30. A fixing plate 42 is fixedly installed in the positioning hole 41, a sliding rod 43 is slidably connected to the fixing plate 42, a positioning block 44 is fixedly installed on one end of the sliding rod 43, and the positioning block 44 is inserted in the positioning hole 41, and the top of the positioning block 44 is set as an inclined surface, a limiting plate 45 is fixedly installed on the other end of the sliding rod 43, a spring 46 is sleeved on the sliding rod 43, and the two ends of the spring 46 are respectively fixedly connected to the fixing plate 42 and the limiting plate 45.
[0056] The second connecting assembly includes: a first side plate 50, a first rotating shaft 51, a movable rod 52, a torsion spring 53, an extrusion rod 54, a telescopic rod 55, a connecting plate 56, a second side plate 57, a second rotating shaft 58, a positioning rod 59, and a positioning groove 591;
[0057] Two sets of first side plates 50 are fixedly installed on both sides of the middle of the hollow tube 30, the first rotating shaft 51 is rotatably connected to the first side plates 50 through a bearing, the movable rod 52 is fixedly installed between the two sets of first rotating shafts 51, the torsion spring 53 is sleeved on the first rotating shaft 51, and the two ends of the torsion spring 53 are respectively fixedly connected to the first side plate 50 and the movable rod 52, the extrusion rod 54 is fixedly installed on one end of the movable rod 52, and a positioning block 44 is provided at one end of the movable rod 52, and one end of the movable rod 52 contacts the positioning block 44, and the telescopic rod 55 is fixed. It is installed on the other end of the movable rod 52, and the connecting plate 56 is fixedly installed on one end of the telescopic rod 55. The second side plates 57 are fixedly installed on both ends of one side of the connecting plate 56. The second rotating shaft 58 is rotatably connected between the two groups of second side plates 57 through a bearing. The positioning rod 59 is fixedly installed on the second rotating shaft 58, and the positioning rod 59 is slidably connected to the side wall of the hollow tube 30. One side of the bottom of the positioning rod 59 is set as an inclined surface, and positioning grooves 591 are opened on both sides of the top of the cylindrical block 31, and one end of the positioning rod 59 is inserted into the positioning groove 591.
[0058] The third connecting assembly includes: a first arc plate 60, a column 61, a second arc plate 62, an annular plate 63, a square plate 64, a rotating plate 65, and a rubber plate 66;
[0059] A plurality of first arc plates 60 are fixedly installed in an annular arrangement at the top of the inner cavity of the hollow tube 30, a column 61 is fixedly installed on the top of the cylindrical block 31, and a plurality of second arc plates 62 are fixedly installed in an annular arrangement on the outer surface of the column 61. The second arc plates 62 pass through the space between the two groups of first arc plates 60 and move to the top of the first arc plates 60, and contact the first arc plates 60 after rotation. The annular plate 63 is fixedly installed on the bottom of the ultra-small sensor 20, and the inner cavity of the annular plate 63 is provided with a hollow tube 30. The inner surface of the annular plate 63 is fixedly mounted with two groups of square plates 64 arranged in an annular shape, the rotating plate 65 is fixedly mounted on the side wall of the hollow tube 30, and the rubber plate 66 is fixedly mounted on one end of the rotating plate 65, and the rubber plate 66 is located between the two groups of square plates 64; wherein, when the rubber plate 66 enters between the two groups of square plates 64, or when the rubber plate 66 comes out from between the two groups of square plates 64, a blocking force that can be felt by personnel is generated, so that personnel can judge the position of the second arc plate 62.
[0060] When used, the specific steps are as follows:
[0061] During installation, first align the second curved plate 62 with the space between the two groups of first curved plates 60, then insert the cylindrical block 31 into the hollow tube 30. During this process, the positioning block 44 and the positioning rod 59 are respectively located in the receiving groove 40 and the hollow tube 30 under the action of the inclined surface. At this time, the spring 46 and the torsion spring 53 are deformed, and the second curved plate 62 is moved through the space between the two groups of first curved plates 60 to the top of the first curved plate 60. After being fully inserted, the hollow tube 30 or the cylindrical block 31 can be rotated. During the rotation process, the elastic force of the spring 46 and the torsion spring 53 is used to make the positioning block 44 and the positioning rod 59 respectively inserted into the positioning hole 41 and the positioning groove 591. At this point, the positions of the hollow tube 30 and the cylindrical block 31 can be fixed. At this time, the first curved plate 60 and the second curved plate 62 are in a staggered state.
[0062] During disassembly, the movable rod 52 is first pressed so that the positioning block 44 and the positioning rod 59 are located in the storage groove 40 and the hollow tube 30 respectively. Then, the hollow tube 30 or the cylindrical block 31 is rotated until the second arc plate 62 is aligned with the space between the two groups of first arc plates 60. At this time, the installed object 10 and the ultra-small sensor 20 can be separated to achieve disassembly.
[0063] Although the present invention has been described above with reference to the embodiments, various modifications may be made thereto and parts thereof may be replaced by equivalents without departing from the scope of the present invention. In particular, as long as there is no structural conflict, the various features in the embodiments disclosed in the present invention may be used in combination with each other in any manner, and the fact that these combinations are not exhaustively described in this specification is only for the sake of omitting space and saving resources. Therefore, the present invention is not limited to the specific embodiments disclosed herein, but includes all technical solutions falling within the scope of the claims.
Claims
1. An ultra-small sensor assembly based on automobile safety, comprising an object to be mounted (10) and an ultra-small sensor (20), characterized in that: A hollow tube (30) is fixedly mounted on one side of the ultra-small sensor (20), a cylindrical block (31) is fixedly mounted on one side of the mounted object (10), and the cylindrical block (31) is inserted into the hollow tube (30), the bottom ends of the hollow tube (30) and the cylindrical block (31) are detachably connected together via a first connecting component, the middle ends of the hollow tube (30) and the cylindrical block (31) are detachably connected together via a second connecting component, and the top ends of the hollow tube (30) and the cylindrical block (31) are detachably connected together via a third connecting component.
2. The ultra-small sensor assembly based on automobile safety according to claim 1, characterized in that: The first connection component comprises: A receiving groove (40), wherein both sides of the bottom end of the cylindrical block (31) are provided with a receiving groove (40); Positioning holes (41), positioning holes (41) are provided on both sides of the bottom end of the hollow tube (30).
3. The ultra-small sensor assembly based on automobile safety according to claim 2, characterized in that: The first connection component also includes: A fixing plate (42), wherein the fixing plate (42) is fixedly installed in the positioning hole (41); A sliding rod (43), wherein the sliding rod (43) is slidably connected to the fixing plate (42); A positioning block (44) is fixedly mounted on one end of the slide bar (43), and the positioning block (44) is inserted into the positioning hole (41), and the top end of the positioning block (44) is set as an inclined surface.
4. The ultra-small sensor assembly based on automobile safety according to claim 3, characterized in that: The first connection component also includes: A limit plate (45), wherein the limit plate (45) is fixedly mounted on the other end of the slide bar (43); A spring (46) is sleeved on the slide bar (43), and two ends of the spring (46) are respectively fixedly connected to the fixed plate (42) and the limit plate (45).
5. The ultra-small sensor assembly based on automobile safety according to claim 1, characterized in that: The second connection component comprises: First side plates (50), two sets of first side plates (50) are fixedly mounted on both sides of the middle of the hollow tube (30); A first rotating shaft (51), the first rotating shaft (51) being rotatably connected to the first side plate (50) via a bearing; A movable rod (52), wherein the movable rod (52) is fixedly installed between the two sets of first rotating shafts (51); A torsion spring (53), wherein the torsion spring (53) is sleeved on the first rotating shaft (51), and two ends of the torsion spring (53) are respectively fixedly connected to the first side plate (50) and the movable rod (52).
6. The ultra-small sensor assembly based on automobile safety according to claim 5, characterized in that: The second connection component also includes: An extrusion rod (54), wherein the extrusion rod (54) is fixedly mounted on one end of the movable rod (52), a positioning block (44) is provided at one end of the movable rod (52), and one end of the movable rod (52) is in contact with the positioning block (44); A telescopic rod (55), wherein the telescopic rod (55) is fixedly mounted on the other end of the movable rod (52); A connecting plate (56), wherein the connecting plate (56) is fixedly mounted on one end of the telescopic rod (55); A second side plate (57), the second side plates (57) being fixedly mounted on both ends of one side of the connecting plate (56); A second rotating shaft (58), wherein the second rotating shaft (58) is rotatably connected between the two sets of second side plates (57) via a bearing.
7. The ultra-small sensor assembly based on automobile safety according to claim 6, characterized in that: The second connection component also includes: A positioning rod (59), wherein the positioning rod (59) is fixedly mounted on the second rotating shaft (58), and the positioning rod (59) is slidably connected to the side wall of the hollow tube (30), and one side of the bottom of the positioning rod (59) is set as an inclined surface; Positioning grooves (591), both sides of the top of the cylindrical block (31) are provided with positioning grooves (591), and one end of the positioning rod (59) is inserted into the positioning groove (591).
8. The ultra-small sensor assembly based on automobile safety according to claim 1, characterized in that: The third connection component comprises: A first arc-shaped plate (60), a plurality of first arc-shaped plates (60) are fixedly mounted in a circular arrangement at the top of the inner cavity of the hollow tube (30); A column (61), wherein the column (61) is fixedly mounted on the top of the cylindrical block (31); A second curved plate (62), a plurality of second curved plates (62) are fixedly mounted in a circular arrangement on the outer surface of the column (61), the second curved plates (62) pass through the space between the two groups of first curved plates (60) and move to the top of the first curved plates (60), and contact the first curved plates (60) after rotation.
9. The ultra-small sensor assembly based on automobile safety according to claim 8, characterized in that: The third connection component also includes: An annular plate (63), the annular plate (63) being fixedly mounted on the bottom of the ultra-small sensor (20), and the inner cavity of the annular plate (63) being provided with a hollow tube (30); A plurality of square plates (64) are arranged in a ring shape and fixedly mounted on the inner surface of the annular plate (63).
10. The ultra-small sensor assembly based on automobile safety according to claim 9, characterized in that: The third connection component also includes: A rotating plate (65), wherein the rotating plate (65) is fixedly mounted on the side wall of the hollow tube (30); A rubber plate (66) is fixedly mounted on one end of the rotating plate (65), and the rubber plate (66) is located between the two sets of square plates (64).