CN110440813B - Shock attenuation type vehicle navigation with dust removal function - Google Patents
Shock attenuation type vehicle navigation with dust removal function Download PDFInfo
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- CN110440813B CN110440813B CN201910746590.5A CN201910746590A CN110440813B CN 110440813 B CN110440813 B CN 110440813B CN 201910746590 A CN201910746590 A CN 201910746590A CN 110440813 B CN110440813 B CN 110440813B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C21/00—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00
- G01C21/26—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network
- G01C21/265—Navigation; Navigational instruments not provided for in groups G01C1/00 - G01C19/00 specially adapted for navigation in a road network constructional aspects of navigation devices, e.g. housings, mountings, displays
Abstract
The invention relates to a shock-absorbing vehicle-mounted navigation system with a dust removal function, which comprises a navigation device, wherein the navigation device comprises a main body, a display screen, a cleaning mechanism, two mounting seats, two suckers and two shock absorption mechanisms, each shock absorption mechanism comprises an air bag, a shock absorption rod and two shock absorption assemblies, each shock absorption assembly comprises a connecting rod, a shock absorption block and a first spring, each cleaning mechanism comprises a fixing box, a fixing block, a sliding block, a hinge block, a driving assembly, an expansion bracket, a lifting plate, a cleaning strip and a connecting assembly, the shock-absorbing vehicle-mounted navigation system with the dust removal function achieves the shock absorption function through the shock absorption mechanisms, avoids the influence of overlarge shock on the normal work of the navigation device, and can clean the display screen through the cleaning mechanisms, and avoids the influence of dust on the display screen and the display effect of the display screen.
Description
Technical Field
The invention relates to the field of GPS (global positioning system) related equipment, in particular to a shock-absorption type vehicle-mounted navigation system with a dust removal function.
Background
A Car Navigation system (Car Navigation) is a driving assistance device that can help a user to accurately locate a current position, calculate a route according to a given destination, and guide the user to travel to the destination by two ways, i.e., map display and voice prompt.
Current vehicle automatic navigator generally installs in the car, can make vehicle automatic navigator take place great vibrations when the vehicle goes to increased the probability that vehicle automatic navigator damaged, not only so current vehicle automatic navigator's display screen generally exposes outside, lead to the dust to adhere to on the display screen easily, thereby influenced the display effect of display screen, greatly reduced vehicle automatic navigator's practicality.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: in order to overcome the defects of the prior art, the shock-absorbing type vehicle-mounted navigation system with the dust removing function is provided.
The technical scheme adopted by the invention for solving the technical problems is as follows: a shock absorption type vehicle-mounted navigation system with a dust removal function comprises a navigation device, wherein the navigation device comprises a main body, a display screen, a cleaning mechanism, two mounting seats, two suckers and two shock absorption mechanisms, the display screen is fixed on the main body, a PLC is arranged in the main body, the display screen is electrically connected with the PLC, the cleaning mechanism is arranged above the main body, the two mounting seats are respectively arranged at two sides below the main body, the two suckers are respectively fixed below the two mounting seats, the shock absorption mechanisms correspond to the mounting seats one to one, and the shock absorption mechanisms are arranged inside the mounting seats;
the damping mechanism comprises an air bag, a damping rod and two damping components, the air bag is fixed above the mounting seat and is abutted against the lower part of the main body, the air bag is annular in shape, an opening is formed above the mounting seat, one end of the damping rod is fixedly connected with the lower part of the main body, the other end of the damping rod penetrates through an annular hole and the opening of the air bag and is arranged in the mounting seat, and the two damping components are respectively arranged on two sides of the damping rod;
the damping assembly comprises a connecting rod, a damping block and a first spring, two ends of the connecting rod are respectively hinged with the damping block and one end of the damping rod, which is far away from the main body, and two ends of the first spring are respectively connected with the bottom in the mounting seat and the lower part of the damping block;
clean mechanism is including fixed box, fixed block, slider, articulated piece, drive assembly, expansion bracket, lifter plate, clean strip and coupling assembling, the top in the main part is fixed to fixed box, fixed block and drive assembly all set up the top in fixed box, the both sides of the one end of expansion bracket are connected with fixed block and drive assembly respectively, the both sides of the other end of expansion bracket are articulated with articulated piece and slider respectively, the one end at the lifter plate is fixed to articulated piece, be equipped with the slide on the other end of lifter plate, be equipped with the spout on the slide, the slider sets up the inside at the spout, the slider matches with the spout, slider and spout sliding connection, clean strip passes through one side that coupling assembling set up being close to the main part at the lifter plate.
Preferably, in order to extend and retract the telescopic frame, the driving assembly comprises a moving block, a second spring and a handle, a strip-shaped opening is formed in the upper portion of the fixed box, one end of the handle is fixedly connected with the upper portion of the moving block, the other end of the handle penetrates through the strip-shaped opening to be arranged above the fixed box, two ends of the second spring are respectively connected with the inner wall of the fixed box and one side, far away from the fixed block, of the moving block, and one side, far away from the fixed block, of one end, far away from the lifting plate, of the telescopic frame is hinged to the moving block.
Preferably, in order to limit the moving direction of the moving block, the driving assembly further comprises a guide rod, the guide rod is horizontally arranged inside the fixed box, one end of the guide rod is fixedly connected with the inner wall of the fixed box, a small hole is formed in the moving block, the guide rod penetrates through the small hole, the guide rod is matched with the small hole, and the moving block is slidably connected with the guide rod.
Preferably, the aperture is square in shape to avoid rotation of the movable mass when it is moved.
Preferably, in order to avoid the moving block from being separated from the guide rod, the driving assembly further comprises a limiting plate, and one end of the guide rod, which is far away from the inner wall of the fixed box, is fixedly connected with the limiting plate.
As preferred, in order to promote clean effect, coupling assembling includes support and two third springs, the cross-section of support is the U-shaped, be equipped with two round holes on the lifter plate, two round holes and clean strip fixed connection are passed respectively to the both ends of support, and two third springs set up respectively at the both ends of support, the both ends of third spring are connected with the one side and the clean strip that are close to clean strip of lifter plate respectively, the third spring is in compression state.
Preferably, in order to avoid the sliding block from being separated from the sliding groove, the sliding groove is a dovetail groove.
Preferably, in order to limit the moving direction of the damping block, the damping assembly further comprises a limiting rod, two ends of the limiting rod are fixedly connected with the top and the bottom in the mounting seat respectively, a through hole is formed in the damping block, the limiting rod penetrates through the through hole, and the damping block is connected with the limiting rod in a sliding mode.
As preferred, in order to avoid the snubber block to take place to rotate when removing, be fixed with the stopper on the fenestrate inner wall of snubber block, be equipped with the recess on the gag lever post, the stopper sets up the inside at the recess, stopper and recess sliding connection.
Preferably, in order to enable the limiting block to move smoothly in the groove, a notch is formed in one side, away from the inner wall of the through hole, of the limiting block, a ball is arranged in the notch and matched with the notch, the center of the ball is arranged inside the notch, and the ball abuts against the inner wall of the groove.
The shock absorption type vehicle-mounted navigation system with the dust removal function has the advantages that the shock absorption function is realized through the shock absorption mechanism, the influence on the normal work of the navigation device due to overlarge shock is avoided, compared with the existing shock absorption mechanism, the shock absorption mechanism is good in shock absorption effect and high in practicability, the display screen can be cleaned through the cleaning mechanism, the influence on the display effect of the display screen due to the fact that dust covers the display screen is avoided, compared with the existing cleaning mechanism, the cleaning mechanism is better in cleaning effect, and cleaning convenience is improved.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic structural diagram of a shock-absorbing type vehicle-mounted navigation system with a dust removing function according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is a schematic structural diagram of a connecting assembly of the shock-absorbing type vehicle navigation system with dust removing function according to the present invention;
FIG. 4 is a schematic view of a connection structure of a shock absorption block and a stop lever of the shock absorption type vehicle navigation system with dust removal function of the present invention;
in the figure: 1. the cleaning device comprises a main body, a display screen, a mounting seat, a sucker, a gas bag, a damping rod, a connecting rod, a damping block, a first spring, a limiting rod, a limiting block, a ball, a fixing box, a handle, a moving block, a second spring, a fixing block, a telescopic frame, a hinging block, a sliding rail, a lifting plate, a cleaning strip, a support, a third spring, a guide rod and a limiting plate, wherein the main body comprises 2 parts of the display screen, 3 parts of the mounting seat, 4 parts of the sucker, 5 parts of the gas bag, 6 parts of the damping rod, 7 parts of the connecting rod, 8 parts of the damping block, 9 parts of the first spring, 10 parts.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1, the shock-absorbing type vehicle-mounted navigation system with the dust removal function comprises a navigation device, wherein the navigation device comprises a main body 1, a display screen 2, a cleaning mechanism, two mounting seats 3, two suckers 4 and two shock-absorbing mechanisms, the display screen 2 is fixed on the main body 1, the main body 1 is internally provided with a PLC, the display screen 2 is electrically connected with the PLC, the cleaning mechanism is arranged above the main body 1, the two mounting seats 3 are respectively arranged at two sides below the main body 1, the two suckers 4 are respectively fixed below the two mounting seats 3, the shock-absorbing mechanisms correspond to the mounting seats 3 one by one, and the shock-absorbing mechanisms are arranged inside the mounting seats 3;
a PLC, i.e., a programmable logic controller, which employs a programmable memory for storing therein a program, executing instructions for user-oriented operations such as logic operation, sequence control, timing, counting, and arithmetic operation, and controlling various types of machines or production processes through digital or analog input/output, is essentially a computer dedicated for industrial control, has a hardware structure substantially the same as that of a microcomputer, and is generally used for data processing and instruction reception and output for realizing central control.
This shock attenuation type vehicle navigation with dust removal function passes through damper, has realized the absorbing function, avoids vibrations too big, influences navigation head's normal work, through clean mechanism, can carry out cleaning to display screen 2, avoids the dust to cover on display screen 2, influences display screen 2's display effect.
As shown in fig. 1, the shock absorption mechanism comprises an air bag 5, a shock absorption rod 6 and two shock absorption components, wherein the air bag 5 is fixed above the mounting seat 3, the air bag 5 abuts against the lower part of the main body 1, the air bag 5 is annular, an opening is arranged above the mounting seat 3, one end of the shock absorption rod 6 is fixedly connected with the lower part of the main body 1, the other end of the shock absorption rod 6 penetrates through an annular hole and an opening of the air bag 5 and is arranged inside the mounting seat 3, and the two shock absorption components are respectively arranged at two sides of the shock absorption rod 6;
the damping assembly comprises a connecting rod 7, a damping block 8 and a first spring 9, two ends of the connecting rod 7 are respectively hinged with the damping block 8 and one end of the damping rod 6, which is far away from the main body 1, and two ends of the first spring 9 are respectively connected with the bottom in the mounting seat 3 and the lower part of the damping block 8;
when main part 1 takes place vibrations, when shock attenuation pole 6 moves down, drive snubber block 8 through connecting rod 7 and move down, compress first spring 9 simultaneously, first spring 9 is for resumeing the normal position, gives snubber block 8 an ascending power, gives snubber rod 6 an ascending buffer power through connecting rod 7 to the realization is given main part 1 absorbing function.
As shown in fig. 1-2, the cleaning mechanism includes a fixed box 13, a fixed block 17, a sliding block 20, a hinge block 19, a driving assembly, a telescopic frame 18, a lifting plate 22, a cleaning strip 23 and a connecting assembly, the fixed box 13 is fixed above the main body 1, the fixed block 17 and the driving component are both arranged at the top in the fixed box 13, two sides of one end of the telescopic frame 18 are respectively connected with the fixed block 17 and the driving component, two sides of the other end of the telescopic frame 18 are respectively hinged with the hinge block 19 and the sliding block 20, the hinged block 19 is fixed at one end of a lifting plate 22, a slideway 21 is arranged at the other end of the lifting plate 22, a sliding groove is arranged on the sliding way 21, the sliding block 20 is arranged inside the sliding groove, the sliding block 20 is matched with the sliding groove, the slider 20 is connected with the sliding groove in a sliding mode, and the cleaning strip 23 is arranged on one side, close to the main body 1, of the lifting plate 22 through a connecting assembly.
When carrying out cleaning, the people is for making drive assembly work for the expansion bracket 18 extends, drives lifter plate 22 and moves down, drives clean strip 23 through coupling assembling and removes, makes clean strip 23 carry out cleaning to display screen 2, avoids the dust to cover on display screen 2, influences the display effect of display screen 2.
Preferably, in order to extend and retract the telescopic frame 18, the driving assembly comprises a moving block 15, a second spring 16 and a handle 14, a strip-shaped opening is formed above the fixed box 13, one end of the handle 14 is fixedly connected with the upper side of the moving block 15, the other end of the handle 14 penetrates through the strip-shaped opening to be arranged above the fixed box 13, two ends of the second spring 16 are respectively connected with the inner wall of the fixed box 13 and one side, far away from the fixed block 17, of the moving block 15, and one side, far away from the fixed block 17, of one end, far away from the lifting plate 22, of the telescopic frame 18 is hinged to the moving block 15.
When cleaning, the moving block 15 is driven to move towards the direction close to the fixed block 17 through the handle 14, and the second spring 16 is stretched simultaneously, so that the expansion bracket 18 extends to drive the lifting plate 22 to move downwards, so that the cleaning strip 23 cleans the display screen 2, and the dust is prevented from covering the display screen 2 and affecting the display effect of the display screen 2.
Preferably, in order to limit the moving direction of the moving block 15, the driving assembly further includes a guide rod 26, the guide rod 26 is horizontally disposed inside the fixed box 13, one end of the guide rod 26 is fixedly connected with the inner wall of the fixed box 13, a small hole is disposed on the moving block 15, the guide rod 26 passes through the small hole, the guide rod 26 is matched with the small hole, and the moving block 15 is slidably connected with the guide rod 26.
By providing the guide bar 26, the moving direction of the moving block 15 is restricted, and the stability of the moving block 15 during movement is improved.
Preferably, the apertures are square in shape to avoid rotation of the moving mass 15 when it is moved.
By setting the small hole as a square hole, the moving block 15 is prevented from rotating when moving, and therefore stability of the moving block 15 when moving is improved.
Preferably, in order to prevent the moving block 15 from being disengaged from the guide rod 26, the driving assembly further includes a limit plate 27, and one end of the guide rod 26, which is far away from the inner wall of the fixed box 13, is fixedly connected with the limit plate 27.
By arranging the limit plate 27, the moving distance of the moving block 15 on the guide rod 26 is limited, and the phenomenon that the moving block 15 is separated from the guide rod 26 to influence the work of the cleaning mechanism is avoided.
As shown in fig. 3, the connecting assembly includes a support 24 and two third springs 25, the cross-section of the support 24 is U-shaped, two round holes are formed in the lifting plate 22, two ends of the support 24 respectively penetrate through the two round holes and the cleaning strip 23, the two third springs 25 are respectively arranged at two ends of the support 24, two ends of each third spring 25 are respectively connected with one side, close to the cleaning strip 23, of the lifting plate 22 and the cleaning strip 23, and the third springs 25 are in a compressed state.
Because the third spring 25 is in a compressed state, the cleaning strip 23 is driven to move towards the direction close to the display screen 2 by the restoring force of the third spring 25, so that the cleaning strip 23 is firmly abutted against the display screen 2, and the cleaning effect of the cleaning strip 23 is improved.
Preferably, the sliding groove is a dovetail groove to prevent the sliding block 20 from being separated from the sliding groove.
By arranging the sliding groove as a dovetail groove, the sliding block 20 is prevented from being separated from the sliding groove to influence the expansion and contraction of the expansion bracket 18.
As shown in fig. 4, the damping assembly further includes a limiting rod 10, two ends of the limiting rod 10 are respectively fixedly connected with the top and the bottom of the mounting base 3, a through hole is formed in the damping block 8, the limiting rod 10 penetrates through the through hole, and the damping block 8 is slidably connected with the limiting rod 10.
Through setting up gag lever post 10, restricted the moving direction of shock attenuation pole 6, stability when having improved snubber block 8 and removing.
Preferably, in order to avoid the rotation of the damping block 8 during the movement, a limiting block 11 is fixed on the inner wall of the through hole of the damping block 8, a groove is formed in the limiting rod 10, the limiting block 11 is arranged inside the groove, and the limiting block 11 is connected with the groove in a sliding manner.
When the snubber block 8 moves on the stop lever 10, drive the stopper 11 to move in the recess, limited the moving direction of the snubber block 8, still take place to rotate when having avoided the snubber block 8 to move, improved the stability when the snubber block 8 moves.
Preferably, in order to make the stopper 11 move smoothly in the groove, a notch is formed in one side of the stopper 11 away from the inner wall of the through hole, a ball 12 is arranged in the notch, the ball 12 is matched with the notch, the center of the ball 12 is arranged inside the notch, and the ball 12 abuts against the inner wall of the groove.
When the limiting block 11 moves in the groove, the friction force between the limiting block 11 and the groove is reduced by arranging the balls 12, so that the limiting block 11 moves smoothly in the groove.
When main part 1 takes place vibrations, when shock attenuation pole 6 moves down, drive snubber block 8 through connecting rod 7 and move down, compress first spring 9 simultaneously, first spring 9 is for resumeing the normal position, gives snubber block 8 an ascending power, gives snubber rod 6 an ascending buffer power through connecting rod 7 to the realization is given main part 1 absorbing function. When carrying out cleaning, artificially drive the movable block 15 through handle 14 and remove to the direction that is close to fixed block 17, tensile second spring 16 simultaneously for expansion bracket 18 extends, drives lifter plate 22 and moves down, drives clean strip 23 through coupling assembling and removes, makes clean strip 23 carry out cleaning to display screen 2, avoids the dust to cover on display screen 2, influences the display effect of display screen 2.
Compared with the prior art, this shock attenuation type vehicle navigation with dust removal function passes through damper, the absorbing function has been realized, avoid shaking too big, influence navigation head's normal work, compare with current damper, this damper shock attenuation is effectual, the practicality is high, through clean mechanism, can carry out cleaning to display screen 2, avoid the dust to cover on display screen 2, influence the display effect of display screen 2, compare with current clean mechanism, this clean mechanism clean effect is better, clean convenience has been improved.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The shock-absorbing vehicle-mounted navigation system with the dust removal function is characterized by comprising a navigation device, wherein the navigation device comprises a main body (1), a display screen (2), a cleaning mechanism, two installation bases (3), two suckers (4) and two shock absorption mechanisms, the display screen (2) is fixed on the main body (1), the main body (1) is internally provided with a PLC, the display screen (2) is electrically connected with the PLC, the cleaning mechanism is arranged above the main body (1), the two installation bases (3) are respectively arranged at two sides below the main body (1), the two suckers (4) are respectively fixed below the two installation bases (3), the shock absorption mechanisms correspond to the installation bases (3) one to one, and the shock absorption mechanisms are arranged inside the installation bases (3);
the damping mechanism comprises an air bag (5), a damping rod (6) and two damping components, the air bag (5) is fixed above the mounting seat (3), the air bag (5) is abutted against the lower part of the main body (1), the air bag (5) is annular, an opening is formed above the mounting seat (3), one end of the damping rod (6) is fixedly connected with the lower part of the main body (1), the other end of the damping rod (6) penetrates through a ring hole and an opening of the air bag (5) and is arranged in the mounting seat (3), and the two damping components are respectively arranged on two sides of the damping rod (6);
the damping assembly comprises a connecting rod (7), a damping block (8) and a first spring (9), two ends of the connecting rod (7) are respectively hinged with the damping block (8) and one end, far away from the main body (1), of the damping rod (6), and two ends of the first spring (9) are respectively connected with the bottom in the mounting seat (3) and the lower part of the damping block (8);
the cleaning mechanism comprises a fixed box (13), a fixed block (17), a sliding block (20), an articulated block (19), a driving assembly, an expansion bracket (18), a lifting plate (22), a cleaning strip (23) and a connecting assembly, wherein the fixed box (13) is fixed above the main body (1), the fixed block (17) and the driving assembly are arranged at the top of the fixed box (13), two sides of one end of the expansion bracket (18) are respectively connected with the fixed block (17) and the driving assembly, two sides of the other end of the expansion bracket (18) are respectively articulated with the articulated block (19) and the sliding block (20), the articulated block (19) is fixed at one end of the lifting plate (22), a slide way (21) is arranged at the other end of the lifting plate (22), a sliding groove is arranged on the slide way (21), the sliding block (20) is arranged inside the sliding groove, and the sliding block (20) is matched with the sliding groove, the sliding block (20) is in sliding connection with the sliding groove, and the cleaning strip (23) is arranged on one side, close to the main body (1), of the lifting plate (22) through a connecting assembly;
the driving assembly comprises a moving block (15), a second spring (16) and a handle (14), a strip-shaped opening is formed in the upper portion of the fixed box (13), one end of the handle (14) is fixedly connected with the upper portion of the moving block (15), the other end of the handle (14) penetrates through the strip-shaped opening to be arranged above the fixed box (13), two ends of the second spring (16) are respectively connected with the inner wall of the fixed box (13) and one side, far away from the fixed block (17), of the moving block (15), and one side, far away from the fixed block (17), of one end, far away from the lifting plate (22), of the telescopic frame (18) is hinged to the moving block (15);
the driving assembly further comprises a guide rod (26), the guide rod (26) is horizontally arranged inside the fixed box (13), one end of the guide rod (26) is fixedly connected with the inner wall of the fixed box (13), a small hole is formed in the moving block (15), the guide rod (26) penetrates through the small hole, the guide rod (26) is matched with the small hole, and the moving block (15) is connected with the guide rod (26) in a sliding mode.
2. The vehicle navigation system of shock absorber type with dust removal function of claim 1, wherein the shape of the small hole is square.
3. The vehicle navigation system of shock absorption type with dust removing function according to claim 2, wherein the driving assembly further comprises a limit plate (27), and an end of the guide rod (26) away from the inner wall of the stationary box (13) is fixedly connected with the limit plate (27).
4. The vehicle-mounted navigation system with the dust removing function of claim 1, wherein the connecting assembly comprises a bracket (24) and two third springs (25), the bracket (24) is U-shaped in cross section, the lifting plate (22) is provided with two round holes, two ends of the bracket (24) respectively penetrate through the two round holes to be fixedly connected with the cleaning strip (23), the two third springs (25) are respectively arranged at two ends of the bracket (24), two ends of the third springs (25) are respectively connected with the cleaning strip (23) and one side of the lifting plate (22) close to the cleaning strip (23), and the third springs (25) are in a compressed state.
5. The vehicle-mounted navigation system of shock absorption type with dust removing function as claimed in claim 1, wherein said sliding groove is a dovetail groove.
6. The vehicle navigation system of shock absorption type with dust removing function of claim 1, wherein the shock absorption assembly further comprises a limiting rod (10), both ends of the limiting rod (10) are fixedly connected with the top and the bottom of the mounting seat (3), respectively, the shock absorption block (8) is provided with a through hole, the limiting rod (10) passes through the through hole, and the shock absorption block (8) is connected with the limiting rod (10) in a sliding way.
7. The vehicle navigation system of shock absorption type with dust removing function as claimed in claim 6, wherein a stopper (11) is fixed on the inner wall of the through hole of the shock absorption block (8), a groove is provided on the stopper rod (10), the stopper (11) is arranged inside the groove, and the stopper (11) is connected with the groove in a sliding way.
8. The vehicle navigation system of shock absorption type with dust removing function according to claim 7, characterized in that the stopper (11) is provided with a notch at a side away from the inner wall of the through hole, a ball (12) is provided in the notch, the ball (12) is matched with the notch, the center of the ball (12) is provided inside the notch, and the ball (12) abuts against the inner wall of the groove.
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| CN110995972B (en) * | 2019-12-03 | 2021-04-09 | 深圳市玖品空气净化科技有限公司 | Damping type supervisory equipment who has dust removal function based on block chain |
| CN111711505B (en) * | 2020-05-12 | 2021-08-20 | 东台市东源电器有限公司 | Tuning equipment with dust removal function |
| CN114228627A (en) * | 2020-09-09 | 2022-03-25 | 上海博汽智能科技有限公司 | Vehicle-mounted display screen |
| CN114234936A (en) * | 2021-11-30 | 2022-03-25 | 高洁 | Three-dimensional laser scanner for surveying and mapping subsidence area in coal mining area |
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| CN104538055A (en) * | 2014-11-26 | 2015-04-22 | 重庆长野汽车配件有限公司 | Automobile media navigator with automatic screen cleaning function |
| CN106556393A (en) * | 2015-09-25 | 2017-04-05 | 天津厚泽华达科技有限公司 | A kind of shock-proof type automobile navigation instrument |
| CN205983318U (en) * | 2016-07-13 | 2017-02-22 | 天津大月科技有限公司 | Computer display's dustproof, shock mounting |
| CN107963028A (en) * | 2017-11-28 | 2018-04-27 | 深圳市贝优通新能源技术开发有限公司 | A kind of intelligent vehicle-carrying navigation equipment with shockproof function based on Internet of Things |
| CN207867399U (en) * | 2018-03-08 | 2018-09-14 | 河南中博信息技术有限公司 | Multimedia all-in-one machine with antidetonation dust reduction capability |
| CN208109131U (en) * | 2018-03-29 | 2018-11-16 | 宋国丰 | A kind of Multifunctional automobile navigator |
| CN208060717U (en) * | 2018-04-18 | 2018-11-06 | 珠海骏驰科技有限公司 | A kind of GPS on-vehicle terminal devices |
| CN109654411A (en) * | 2019-01-24 | 2019-04-19 | 白木日根 | A kind of LED light of the high reliablity with dedusting function for tunnel |
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