CN217515152U - Electronic brake system with guide block anti-disengaging structure - Google Patents
Electronic brake system with guide block anti-disengaging structure Download PDFInfo
- Publication number
- CN217515152U CN217515152U CN202221640494.6U CN202221640494U CN217515152U CN 217515152 U CN217515152 U CN 217515152U CN 202221640494 U CN202221640494 U CN 202221640494U CN 217515152 U CN217515152 U CN 217515152U
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- Prior art keywords
- guide block
- lead screw
- bulge loop
- guide
- groove
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- 238000006073 displacement reaction Methods 0.000 claims description 6
- 210000001503 joint Anatomy 0.000 claims description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000003044 adaptive effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
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Abstract
The utility model discloses an electron braking system with guide block anti-disengaging structure, its technical scheme main points are: the utility model provides an electron braking system with guide block anti-disengaging structure, includes shell, gear motor, lead screw assembly, top pushes away briquetting, oilcan master cylinder, lead screw assembly includes lead screw, screw nut, lead screw integrated into one piece has the bulge loop, the bulge loop lateral wall is the slope setting, just the bulge loop is less than deviating from screw nut one end area towards screw nut's one end area, the bulge loop is connected with the guide block, the bell mouth that matches with the bulge loop lateral wall is seted up to the guide block, bell mouth and bulge loop lateral wall interference fit, the guide block with be provided with the guide structure who makes the lead screw axis remove between the shell. The utility model discloses reach the guide block and effectively be fixed in the lead screw to avoid the guide block to drop and produce the trouble.
Description
Technical Field
The utility model relates to an automobile brake system field especially involves an electron braking system with guide block anti-disengaging structure.
Background
With the technical progress, many existing automobiles are provided with an electronic brake system, namely, a screw rod assembly is driven to move through a speed reducing motor, and oil in an oil pot main cylinder is pressed into a brake oil way to realize a brake function.
As shown in fig. 1, the conventional electronic braking system mainly includes a housing, a speed reduction motor, a screw assembly, and a pushing press block. The guide block is installed on a lead screw of the lead screw assembly, and the lead screw is guided by the guide block, and due to the lead screw machining process, the lead screw cannot be integrally machined with the guide block, so that the guide block and the lead screw are required to be in interference fit.
Therefore, there is a need for an improved structure that overcomes the above-mentioned deficiencies.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an electron braking system with guide block anti-disengaging structure reaches the guide block and effectively is fixed in the lead screw to avoid the guide block to drop and produce the trouble.
The above technical purpose of the utility model is realized with following technical scheme: the utility model provides an electron braking system with guide block anti-disengaging structure, includes shell, gear motor, lead screw assembly, top pushing pressing block, oilcan master cylinder, the lead screw assembly includes lead screw, screw nut, lead screw integrated into one piece has the bulge loop, the bulge loop lateral wall is the slope setting, just the bulge loop is less than and deviates from screw nut one end area towards screw nut's one end area, the bulge loop is connected with the guide block, the guide block sets up the bell mouth that matches with the bulge loop lateral wall, bell mouth and bulge loop lateral wall interference fit, the guide block with be provided with the guide structure who makes the lead screw axis remove between the shell.
The utility model discloses a further set up to: the guide structure comprises a guide groove arranged on the inner wall of the shell and a sliding block arranged on the guide block and connected with the guide groove in a sliding mode, and the length direction of the guide groove is parallel to the axial direction of the lead screw.
The utility model discloses a further set up to: the top pushes away the briquetting and sets up the top and pushes away the groove that supplies the lead screw tip to penetrate, top pushes away the tank bottom surface and is provided with the arc cavity, the lead screw tip be provided with laminate in the butt structure of arc cavity.
The utility model discloses a further set up to: the butt structure is set on the groove of the end of the screw and the ball set between the groove and the bottom of the pushing groove, the surface of the ball is jointed on the arc concave cavity and the surface of the groove.
The utility model discloses a further set up to: the butt joint structure is a spherical lug integrally formed at the end part of the screw rod, and the spherical lug is attached to the arc-shaped concave cavity.
The utility model discloses a further set up to: when the abutting structure abuts against the arc-shaped concave cavity, a gap is reserved between the pushing pressing block and the guide block.
The utility model discloses a further set up to: the inner cavity of the shell is provided with a sensor used for sensing the moving displacement of the lead screw, and the sensor is fixed on the inner wall of the shell.
To sum up, the utility model discloses following beneficial effect has:
1. through bell mouth and bulge loop lateral wall interference fit, reach the guide block and effectively be fixed in the lead screw, in addition in the use, when the guide block touched lead screw nut tip, promote the guide block towards pushing away the extrusion of briquetting direction, reach the bell mouth and further closely extrude with the bulge loop lateral wall to ensure that the guide block does not drop, reduce electron braking system trouble.
2. The sliding block slides in the guide groove, so that the rotation of the lead screw is effectively limited, and the moving direction of the lead screw is ensured to be consistent with the axial direction of the lead screw.
3. Through the ball laminating in arc cavity and recess surface, reach the adaptation effect to make things convenient for the lead screw to promote to push away and push away the briquetting translation, ensure to push away effectively and push away the briquetting and remove, leave the clearance through pushing away between briquetting and the guide block in addition, avoid the guide block to be pushed away the briquetting and touch and drop.
4. The structure effectively reduces parts, and when the balls are arranged between the pushing pressing block and the end part of the screw rod, the balls are easy to miss in the maintenance process or not matched, and the like, so that the normal use of the whole electronic brake system is influenced; this problem can be effectively avoided in this scheme.
Drawings
FIG. 1 is a cross-sectional view of the prior art;
FIG. 2 is a schematic structural view of embodiment 1;
FIG. 3 is a first sectional view of embodiment 1;
FIG. 4 is a sectional view II of embodiment 1;
FIG. 5 is a sectional view of embodiment 2.
Names of the corresponding components indicated by the numbers in the drawings: 1. a housing; 2. a reduction motor; 3. a lead screw assembly; 4. a lead screw; 5. a lead screw nut; 6. pushing and pressing blocks; 7. an oil can master cylinder; 8. a convex ring; 9. a guide block; 10. a tapered hole; 11. a guide groove; 12. a slider; 13. a pushing groove; 14. an arc-shaped concave cavity; 15. a groove; 16. a ball bearing; 17. a spherical bump; 18. a sensor.
Detailed Description
In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention will be further described with reference to the drawings and the specific embodiments.
Example 1: as shown in fig. 2 to 4, the utility model provides an electron braking system with guide block anti-disengaging structure, including shell 1, gear motor 2, lead screw assembly 3, top pushing briquetting 6, oilcan main cylinder 7, lead screw assembly 3 includes lead screw 4, screw nut 5 to gear motor 2 drive screw nut 5 rotates, reaches the flexible removal of drive screw 4. There is bulge loop 8 at 4 lateral wall integrated into one piece of lead screw, 8 lateral walls of bulge loop are the slope setting, and bulge loop 8 is the setting of round platform form promptly, just 8 bulge loops are less than towards 5 one end areas of lead screw nut and deviate from 5 one end areas of lead screw nut, and bulge loop 8 is connected with guide block 9, and guide block 9 sets up the bell mouth 10 that matches with 8 lateral walls of bulge loop, bell mouth 10 and 8 lateral walls interference fit of bulge loop. Through bell mouth 10 and 8 lateral walls interference fit of bulge loop, reach guide block 9 and effectively be fixed in lead screw 4, in addition in the use, when guide block 9 touched 5 tip of screw nut, promote guide block 9 and push away the extrusion of briquetting 6 directions towards the top, reach bell mouth 10 and 8 lateral walls of bulge loop and further closely extrude to ensure that guide block 9 does not drop, reduce electronic braking system trouble.
A guide structure for moving the axis of the lead screw 4 is arranged between the guide block 9 and the shell 1. The guide structure comprises a guide groove 11 arranged on the inner wall of the shell 1 and a sliding block 12 arranged on the guide block 9 and connected with the guide groove 11 in a sliding mode, and the length direction of the guide groove 11 is parallel to the axial direction of the lead screw 4. The sliding block 12 slides in the guide groove 11, so that the rotation of the lead screw 4 is effectively limited, and the moving direction of the lead screw 4 is ensured to be consistent with the axial direction of the lead screw 4.
The pushing pressing block 6 is provided with a pushing groove 13 for the end part of the screw rod 4 to penetrate, an arc-shaped concave cavity 14 is formed in the bottom surface of the pushing groove 13, the arc-shaped concave cavity 14 is located in the center of the bottom surface of the pushing groove 13, and the end part of the screw rod 4 is provided with a butt joint structure attached to the arc-shaped concave cavity 14. The abutting structure comprises a groove 15 arranged at the end part of the lead screw 4 and a ball 16 arranged between the groove 15 and the bottom surface of the pushing groove 13, and the surface of the ball 16 is attached to the surfaces of the arc-shaped concave cavity 14 and the groove 15. And when the ball 16 butts against the arc-shaped concave cavity 14, a gap is reserved between the pushing pressing block 6 and the guide block 9. The ball 16 is attached to the surfaces of the arc-shaped concave cavity 14 and the groove 15, so that the adaptive effect is achieved, the screw 4 is convenient to push the pushing pressing block 6 to move horizontally, the pushing pressing block 6 can be effectively pushed to move, and in addition, a gap is reserved between the pushing pressing block 6 and the guide block 9, so that the guide block 9 is prevented from falling off due to the fact that the guide block is touched by the pushing pressing block 6.
In this embodiment, in order to accurately determine the movement displacement of the lead screw 4, the inner cavity of the housing 1 is provided with a sensor 18 for sensing the movement displacement of the lead screw 4, the sensor 18 is a prior art, and can be a displacement sensor and sense the rotation displacement of the transmission gear of the reduction motor 2, and the sensor 18 is fixed on the inner wall of the housing 1.
Example 2, the difference from example 1 is that: as shown in fig. 5, the abutting structure is a spherical protrusion 17 integrally formed at the end of the lead screw 4, and the spherical protrusion 17 is attached to the arc-shaped concave cavity 14. Parts are effectively reduced through the structure, and when the balls 16 are arranged between the pushing pressing block 6 and the end part of the screw rod 4, the balls 16 are easy to be neglected or mismatched in the maintenance process, so that the normal use of the whole electronic brake system is influenced; and this problem can be effectively avoided in this scheme.
In this document, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, only for the sake of clarity of the technical solution and convenience of description, and thus, should not be construed as limiting the present invention.
As used herein, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, including not only those elements listed, but also other elements not expressly listed.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited to the above embodiments, and the above embodiments and descriptions are only illustrative of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention, and all such changes and modifications fall within the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (7)
1. The utility model provides an electron braking system with guide block anti-disengaging structure, includes shell (1), gear motor (2), lead screw assembly (3), top pushes away briquetting (6), oilcan master cylinder (7), lead screw assembly (3) include lead screw (4), screw nut (5), its characterized in that: lead screw (4) integrated into one piece has bulge loop (8), bulge loop (8) lateral wall is the slope setting, just bulge loop (8) are less than towards the one end area of screw nut (5) and deviate from screw nut (5) one end area, bulge loop (8) are connected with guide block (9), bell mouth (10) of matcing with bulge loop (8) lateral wall are seted up in guide block (9), bell mouth (10) and bulge loop (8) lateral wall interference fit, guide block (9) with be provided with the guide structure who makes lead screw (4) axis remove between shell (1).
2. The electronic braking system with the guide block anti-falling structure as claimed in claim 1, wherein: the guide structure comprises a guide groove (11) formed in the inner wall of the shell (1), and a sliding block (12) arranged on the guide block (9) and connected with the guide groove (11) in a sliding mode, and the length direction of the guide groove (11) is parallel to the axial direction of the lead screw (4).
3. The electronic braking system with the guide block anti-falling structure as claimed in claim 1, wherein: the pushing block (6) is provided with a pushing groove (13) for the end part of the screw rod (4) to penetrate, an arc-shaped concave cavity (14) is formed in the bottom surface of the pushing groove (13), and the end part of the screw rod (4) is provided with a butt joint structure which is attached to the arc-shaped concave cavity (14).
4. The electronic braking system with the guide block anti-falling structure as claimed in claim 3, wherein: the abutting structure comprises a groove (15) formed in the end portion of the lead screw (4) and balls (16) arranged between the groove (15) and the bottom surface of the pushing groove (13), and the surfaces of the balls (16) are attached to the surfaces of the arc-shaped concave cavity (14) and the groove (15).
5. The electronic braking system with the guide block anti-falling structure as claimed in claim 3, wherein: the abutting structure is a spherical convex block (17) integrally formed at the end part of the screw rod (4), and the spherical convex block (17) is attached to the arc-shaped concave cavity (14).
6. The electronic braking system with the guide block anti-falling structure as claimed in claim 3, wherein: when the abutting structure abuts against the arc-shaped concave cavity (14), a gap is reserved between the pushing pressing block (6) and the guide block (9).
7. The electronic braking system with the guide block anti-falling structure as claimed in claim 1, wherein: the inner cavity of the shell (1) is provided with a sensor (18) used for sensing the moving displacement of the lead screw (4), and the sensor (18) is fixed on the inner wall of the shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640494.6U CN217515152U (en) | 2022-06-29 | 2022-06-29 | Electronic brake system with guide block anti-disengaging structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221640494.6U CN217515152U (en) | 2022-06-29 | 2022-06-29 | Electronic brake system with guide block anti-disengaging structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217515152U true CN217515152U (en) | 2022-09-30 |
Family
ID=83392967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221640494.6U Expired - Fee Related CN217515152U (en) | 2022-06-29 | 2022-06-29 | Electronic brake system with guide block anti-disengaging structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217515152U (en) |
-
2022
- 2022-06-29 CN CN202221640494.6U patent/CN217515152U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20220930 |