CN218258117U - Support expansion sleeve and electronic power-assisted brake system - Google Patents
Support expansion sleeve and electronic power-assisted brake system Download PDFInfo
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- CN218258117U CN218258117U CN202222742081.5U CN202222742081U CN218258117U CN 218258117 U CN218258117 U CN 218258117U CN 202222742081 U CN202222742081 U CN 202222742081U CN 218258117 U CN218258117 U CN 218258117U
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Abstract
The utility model relates to the technical field of automobile braking, in particular to a support expansion sleeve and an electronic power-assisted brake system, wherein the support expansion sleeve comprises a first support sleeve which is sleeved on a mandril; the second support sleeve is sleeved on the first support sleeve, and the first support sleeve and the second support sleeve are arranged at intervals; the deformation connecting piece is arranged between the first supporting sleeve and the second supporting sleeve, one end of the deformation connecting piece is connected with the first supporting sleeve, and the other end of the deformation connecting piece is connected with the second supporting sleeve. The utility model discloses damping when can promote push rod and ejector pin striking is felt and buffering effect to promote the travelling comfort of stepping on brake pedal soon.
Description
Technical Field
The utility model relates to an automobile brake technical field especially relates to a support inflation cover and electron helping hand braking system.
Background
When the electric automobile is tried to be driven, if the push rod and the ejector rod (piston) of the power-assisted braking system are decoupled, when the brake pedal is quickly stepped on, the feeling of the brake pedal when the push rod is driven by the brake pedal to collide with the ejector rod is very steep, the pedal force can be changed violently, and the comfort of the pedal for trial driving of a client is influenced.
At present, in a general decoupling type brake-assisted braking system, rubber is added to a contact part of a push rod and an ejector rod to serve as a buffer piece, so that the impact of the push rod and the ejector rod is buffered. The rubber material is greatly influenced by temperature, particularly in extremely cold areas in winter or tropical areas in summer, the rubber buffering performance difference is very large, the rubber thickness cannot be too thick, if the rubber thickness is too thick, after a durability test, the rubber can be deformed or damaged, and if the rubber thickness is too thin, the buffering performance is limited, so that the pedal feeling experience of a customer in test driving is influenced.
Therefore, a supporting expansion sleeve and an electronic power-assisted brake system are needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a support inflation cover and electron helping hand braking system can promote damping sense and buffering effect when push rod and ejector pin striking to promote the travelling comfort of stepping on brake pedal soon.
To achieve the purpose, the utility model adopts the following technical proposal:
a support expansion sleeve, comprising:
the first supporting sleeve is sleeved on the ejector rod;
the second support sleeve is sleeved on the first support sleeve, and the first support sleeve and the second support sleeve are arranged at intervals;
a deformation connecting piece, which is arranged between the first supporting sleeve and the second supporting sleeve, one end of the deformation connecting piece is connected with the first supporting sleeve, the other end of the deformation connecting piece is connected with the second supporting sleeve,
the support expansion sleeve is configured to: when the second support sleeve is impacted by the push rod, the second support sleeve moves towards the first support sleeve, so that the deformation connecting piece generates elastic deformation to play a buffering role.
Further, first supporting sleeve includes first supporting disk and first connecting portion, the one end setting of first connecting portion is in on the first supporting disk, first connecting portion extend along the length direction of ejector pin, the one end of deformation connecting piece with first connecting portion is kept away from the one end of first supporting disk is connected.
Further, a plurality of the first connection portions are provided at intervals in a circumferential direction of the first support tray.
Further, the first support disc and the first connecting portion are of an integrated structure.
Furthermore, the second support sleeve comprises a second support disc and a second connecting portion, one end of the second connecting portion is arranged on the second support disc, the second connecting portion extends along the length direction of the ejector rod, and one end of the deformation connecting piece is connected with one end, far away from the second support disc, of the second connecting portion.
Further, a plurality of the second connecting portions are provided at intervals in a circumferential direction of the second support disk.
Furthermore, the second supporting disc and the second connecting portion are of an integrated structure.
Furthermore, the deformation connecting piece comprises an adapter part and an inclined part which are connected with each other, one end of the adapter part is connected with the first connecting part, and one end of the inclined part is connected with the second connecting part.
Furthermore, the switching part is L-shaped and comprises a first part and a second part which are connected with each other, the first part is connected with the first connecting part, and the second part is connected with the inclined part.
An electronic power-assisted brake system comprises the support expansion sleeve.
The utility model has the advantages that:
the utility model provides a support inflation cover, first support ways are established on the ejector pin, and the second supports the ways and establishes on first support ways, and first support ways supports set interval setting with the second, and first support ways and second support ways are connected through the deformation connecting piece. After the second supporting sleeve is impacted by the push rod, the second supporting sleeve moves towards the first supporting sleeve, so that the deformation connecting piece generates elastic deformation to absorb impact force and plays a role in buffering. Through the mode, the damping sense and the buffering effect when the push rod collides with the ejector rod can be improved, so that the comfort of quickly stepping on the brake pedal is improved.
The utility model provides an electron helping hand braking system, include as above support inflation cover, damping sense and buffering effect when can promote push rod and ejector pin striking to promote the travelling comfort of stepping on brake pedal soon.
Drawings
FIG. 1 is a schematic view of a perspective of a support expansion shell of the present invention;
fig. 2 is a schematic view of another perspective of the present invention for supporting an expansion shell.
In the figure:
1. a first support sleeve; 11. a first support tray; 12. a first connection portion; 2. a second support sleeve; 21. a second support disc; 22. a second connecting portion; 3. a deformation connector; 31. a first part; 32. a second section; 33. an inclined portion.
Detailed Description
The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the invention and are not limiting of the invention. It should be further noted that, for the convenience of description, only some but not all of the elements relevant to the present invention are shown in the drawings.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection or a removable connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the present disclosure, unless expressly stated or limited otherwise, the first feature "on" or "under" the second feature may comprise direct contact between the first and second features, or may comprise contact between the first and second features not directly. Also, the first feature "on," "above" and "over" the second feature may include the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature includes the first feature being directly under and obliquely below the second feature, or simply meaning that the first feature is at a lesser elevation than the second feature.
When the electric automobile is tried to be driven, if the push rod and the ejector rod (piston) of the power-assisted braking system are decoupled, when the brake pedal is quickly stepped on, the feeling of the brake pedal when the push rod is driven by the brake pedal to collide with the ejector rod is very steep, the pedal force can be changed violently, and the comfort of the pedal for trial driving of a client is influenced.
In order to solve the problem, damping sense and buffering effect when can promote push rod and ejector pin striking to promote the travelling comfort of stepping on brake pedal soon, as shown in fig. 1-2, the utility model provides a support inflation cover. The supporting expansion sleeve comprises a first supporting sleeve 1, a second supporting sleeve 2 and a deformation connecting piece 3.
Wherein, the first supporting sleeve 1 is sleeved on the mandril; the second supporting sleeve 2 is sleeved on the first supporting sleeve 1, and the first supporting sleeve 1 and the second supporting sleeve 2 are arranged at intervals; warp connecting piece 3 and set up and support between cover 2 at first supporting sleeve 1 and second, warp the one end and the first supporting sleeve 1 of connecting piece 3 and be connected, warp the other end and the second of connecting piece 3 and support cover 2 and be connected, support the expansion sleeve and be configured into: after the second support sleeve 2 is impacted by the push rod, the second support sleeve 2 moves towards the first support sleeve 1, so that the deformation connecting piece 3 generates elastic deformation to absorb impact force, the buffer effect is achieved, and the comfort of quickly stepping on the brake pedal is improved.
Further, first supporting sleeve 1 includes first supporting disk 11 and first connecting portion 12, and the one end of first connecting portion 12 is fixed to be set up on first supporting disk 11, and first connecting portion 12 extends along the length direction of ejector pin, and the one end of deformation connecting piece 3 is connected with the one end that first connecting portion 12 kept away from first supporting disk 11. By adopting the structure, the first supporting sleeve 1 is simple in structure and convenient to manufacture.
Further, a plurality of first connecting portions 12 are provided at intervals in the circumferential direction of the first support tray 11. By arranging the plurality of first connecting parts 12, on one hand, the first supporting sleeve 1 can be ensured to be stably sleeved on the ejector rod; on the other hand, the first support sleeve 1 can be ensured to be light in weight, and the light-weight design is realized. Meanwhile, the use of materials can be saved. In other embodiments, the first connection portion 12 may also be a cylinder structure, which is not limited herein.
Further, the first support plate 11 and the first connection portion 12 are of an integrated structure. In particular, the first supporting sleeve 1 can be manufactured by sheet metal technology. The first connecting portion 12 and the first supporting plate 11 are convenient to manufacture while ensuring the connecting strength.
Further, the second support sleeve 2 includes a second support disc 21 and a second connecting portion 22, one end of the second connecting portion 22 is disposed on the second support disc 21, the second connecting portion 22 extends along the length direction of the top bar, and one end of the deformation connector 3 is connected to one end of the second connecting portion 22 away from the second support disc 21. By adopting the structure, the second support sleeve 2 is simple in structure and convenient to manufacture.
Further, a plurality of second connection portions 22 are provided at intervals in the circumferential direction of the second support disc 21. By arranging the plurality of second connecting parts 22, on one hand, the second supporting sleeve 2 can be ensured to be stably sleeved on the first supporting sleeve 1; on the other hand, the second support sleeve 2 can be guaranteed to be light in weight, and the light-weight design is achieved. In this embodiment, the first connecting portions 12, the second connecting portions 22 and the deformation connecting members 3 are disposed in a one-to-one correspondence, and the above structure is adopted, so that the deformation connecting members 3 are pushed to deform after the second supporting disk 21 is subjected to the impact force. Meanwhile, the use of materials can be saved. In other embodiments, the second connecting portion 22 may also be a cylindrical structure, which is not limited herein.
Further, the second support plate 21 and the second connection portion 22 are of an integrated structure. In particular, the second support sleeve 2 can be manufactured by sheet metal technology. The manufacture is convenient while the connection strength of the second connecting part 22 and the second supporting disk 21 is ensured.
Further, the deformation connector 3 includes an adapter portion and an inclined portion 33 connected to each other, one end of the adapter portion is connected to the first connection portion 12, and one end of the inclined portion 33 is connected to the second connection portion 22. When the second support disc 21 is impacted, the second connecting part 22 is pushed to move, so that a force is exerted on the inclined part 33, and the inclined part 33 and the transition part deform to realize buffering.
Further, the adapter portion is L-shaped and includes a first portion 31 and a second portion 32 connected to each other, the first portion 31 is connected to the first connection portion 12, and the second portion 32 is connected to the inclined portion 33. With the above arrangement, the deformed connecting member 3 is easily connected to the first connecting portion 12 and the second connecting portion 22.
This embodiment still provides an electron helping hand braking system, including above support expansion sleeve, damping when can promote push rod and ejector pin striking is felt and buffering effect to promote the travelling comfort of stepping on brake pedal soon.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not intended to limit the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. Support inflation cover, its characterized in that includes:
the first supporting sleeve (1), the said first supporting sleeve (1) is fitted over the knockout pin;
the second supporting sleeve (2) is sleeved on the first supporting sleeve (1), and the first supporting sleeve (1) and the second supporting sleeve (2) are arranged at intervals;
the deformation connecting piece (3) is arranged between the first supporting sleeve (1) and the second supporting sleeve (2), one end of the deformation connecting piece (3) is connected with the first supporting sleeve (1), the other end of the deformation connecting piece (3) is connected with the second supporting sleeve (2),
the support expansion shells are configured to: when the second support sleeve (2) is impacted by a push rod, the second support sleeve (2) moves towards the first support sleeve (1), so that the deformation connecting piece (3) generates elastic deformation to play a role in buffering.
2. The supporting expansion sleeve according to claim 1, wherein the first supporting sleeve (1) comprises a first supporting disk (11) and a first connecting portion (12), one end of the first connecting portion (12) is arranged on the first supporting disk (11), the first connecting portion (12) extends along the length direction of the top rod, and one end of the deformation connecting piece (3) is connected with one end of the first connecting portion (12) far away from the first supporting disk (11).
3. A supporting expansion shell according to claim 2, characterized in that a plurality of said first connection portions (12) are provided at intervals along the circumferential direction of said first supporting disc (11).
4. A supporting expansion shell according to claim 2, characterised in that said first supporting disk (11) and first connecting portion (12) are of a unitary construction.
5. Support expansion shell according to claim 2, characterized in that the second support shell (2) comprises a second support disc (21) and a second connection (22), the second connection (22) being provided at one end on the second support disc (21), the second connection (22) extending in the length direction of the head rod, the deformation connection (3) being connected at one end with the second connection (22) at the end remote from the second support disc (21).
6. A supporting expansion shell according to claim 5, characterised in that a plurality of said second connecting portions (22) are provided at intervals along the circumference of said second supporting disk (21).
7. Support expansion shell according to claim 5, characterized in that said second support disc (21) and said second connection portion (22) are of a unitary structure.
8. A supporting expansion shell according to claim 5, characterised in that said deformation connector (3) comprises an adapter part and an inclined part (33) connected to each other, one end of said adapter part being connected to said first connection part (12) and one end of said inclined part (33) being connected to said second connection part (22).
9. Support expansion shell according to claim 8, wherein said transition portion is L-shaped and comprises a first portion (31) and a second portion (32) connected to each other, said first portion (31) being connected to said first connection portion (12) and said second portion (32) being connected to said inclined portion (33).
10. An electronic power assisted brake system comprising a supporting expansion shell according to any of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222742081.5U CN218258117U (en) | 2022-10-18 | 2022-10-18 | Support expansion sleeve and electronic power-assisted brake system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222742081.5U CN218258117U (en) | 2022-10-18 | 2022-10-18 | Support expansion sleeve and electronic power-assisted brake system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218258117U true CN218258117U (en) | 2023-01-10 |
Family
ID=84751723
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222742081.5U Active CN218258117U (en) | 2022-10-18 | 2022-10-18 | Support expansion sleeve and electronic power-assisted brake system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218258117U (en) |
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2022
- 2022-10-18 CN CN202222742081.5U patent/CN218258117U/en active Active
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