CN222272043U - A spring installation connection structure in a plunger-type brake master cylinder - Google Patents
A spring installation connection structure in a plunger-type brake master cylinder Download PDFInfo
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- CN222272043U CN222272043U CN202421158129.0U CN202421158129U CN222272043U CN 222272043 U CN222272043 U CN 222272043U CN 202421158129 U CN202421158129 U CN 202421158129U CN 222272043 U CN222272043 U CN 222272043U
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- spring
- piston rod
- spring seat
- seat sleeve
- master cylinder
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- 238000009434 installation Methods 0.000 title claims abstract description 9
- 101150038956 cup-4 gene Proteins 0.000 description 2
- 239000010985 leather Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- Transmission Of Braking Force In Braking Systems (AREA)
- Springs (AREA)
Abstract
The utility model provides a spring installation connection structure in a plunger type brake master cylinder, which comprises a piston rod and a spring, wherein one end of the piston rod is provided with a first connection groove, the spring installation connection structure also comprises a spring seat sleeve, the spring seat sleeve is provided with a second connection groove, two ends of the spring are respectively connected in the first connection groove and the second connection groove, the spring seat sleeve stretches into the first connection groove and forms sliding fit with the piston rod, the inner side wall of the first connection groove is provided with a first protruding barb, the outer side wall of the spring seat sleeve is provided with a second protruding barb, and the second protruding barb and the first protruding barb are matched to limit the spring seat sleeve from being separated from the first connection groove. One end of the spring is directly connected with the piston rod, the other end of the spring is connected with the spring seat sleeve, and meanwhile the spring seat sleeve is in sliding connection with the piston rod, so that the original function can be realized by only two parts, and the structure is simple.
Description
Technical Field
The utility model relates to a brake master cylinder assembly in the technical field of automobile brake systems, in particular to a spring installation connecting structure in a plunger type brake master cylinder.
Background
Referring to fig. 1, a conventional plunger type brake master cylinder for automobile braking is shown, and its components mainly comprise a main cylinder body 1, a first piston rod 2, a second piston rod 3, a leather cup 4, etc. The first piston rod 2 and the second piston rod 3 are arranged in the main cylinder body 1, and a leather cup 4 is arranged between the first piston rod 2 and the second piston rod 3 and the side wall of the main cylinder body 1. In the axial direction of the piston rod, springs 5 are provided between the first piston rod 2 and the main cylinder 1, and between the first piston rod 2 and the second piston rod 3, respectively.
In the above technical solution, two ends of the spring 5 are respectively connected through the spring seats 6, and two spring seats 6 are connected through the guide rod 7, and four parts (including two spring seats 6, one guide rod 5 and one spring 5) are needed in the above structure. The device has the problems of multiple parts and complex structure.
Disclosure of utility model
Aiming at the problems pointed out in the background art, the utility model provides a spring installation connecting structure in a plunger type brake master cylinder, so as to solve the technical problems.
The technical scheme of the utility model is realized as follows:
The utility model provides a spring mounting connection structure in plunger type brake master cylinder, includes piston rod and spring, the one end of piston rod be equipped with first spread groove, still include the spring seat cover, the spring seat cover on be equipped with the second spread groove, the both ends of spring are connected respectively in first spread groove and second spread groove, the spring seat cover stretches into in the first spread groove and forms sliding fit with the piston rod, be equipped with convex first barb on the inside wall of first spread groove, the lateral wall of spring seat cover on be equipped with convex second barb, second barb and first barb cooperation can restrict the spring seat cover and deviate from first spread groove.
The utility model is further characterized in that a plurality of breaking grooves are formed in the side wall of the second connecting groove, and the breaking grooves are arranged at intervals in the circumferential direction of the spring seat sleeve.
The utility model is further arranged that the bottom of the first connecting groove is provided with a convex connecting seat.
The utility model is further arranged that the bottom of the second connecting groove is provided with a through hole.
The utility model further provides a master cylinder body, wherein the master cylinder body is internally provided with two piston rods, the two piston rods are respectively a first piston rod and a second piston rod, the first piston rod is positioned at the inner side of the second piston rod, the first connecting grooves of the first piston rod and the second piston rod are respectively connected with the springs and the spring seat sleeves, one spring seat sleeve is propped against the inner wall of the master cylinder body, and the other spring seat sleeve is propped against the first piston rod.
By adopting the technical scheme, the utility model has the beneficial effects that:
According to the spring installation connection structure in the plunger type brake master cylinder, one end of the spring is directly connected with the piston rod, the other end of the spring is connected with the spring seat sleeve, and meanwhile the spring seat sleeve is in sliding connection with the piston rod, so that the original function can be realized through only two parts, and the structure is simple.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained according to these drawings without inventive faculty for a person skilled in the art.
Fig. 1 is a schematic diagram of a prior art structure.
Fig. 2 is a schematic structural view of the present utility model.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
The utility model is illustrated below with reference to fig. 1-2:
Embodiment 1A spring mounting connection structure in plunger type brake master cylinder, still include master cylinder 1, be equipped with two piston rods in the master cylinder 1, two piston rods are first piston rod 2 and second piston rod 3 respectively, and first piston rod 2 is located the inboard of second piston rod 3, and the inner of first piston rod 2 and second piston rod 3 is equipped with first spread groove 11 respectively, is equipped with spring 5 in the first spread groove 11. The above is the prior art, and the following is an improved technical scheme of the application:
The spring seat sleeve 12 is cylindrical, the spring seat sleeve 12 is provided with two spring seat sleeves 12, the two spring seat sleeves 12 are respectively arranged on the inner sides of the first piston rod 2 and the second piston rod 3, a second connecting groove 13 which faces the opening of the first connecting groove 11 is formed in the spring seat sleeve 12, a through hole 18 is formed in the bottom of the second connecting groove 13, one spring seat sleeve 12 is propped against the inner wall of the main cylinder body 1, the other spring seat sleeve 12 is propped against the first piston rod 2, two ends of the spring 5 are respectively connected in the first connecting groove 11 and the second connecting groove 13, a protruding connecting seat 17 is arranged at the bottom of the first connecting groove 11 (the connecting seat 17 is cylindrical, the diameter of the connecting seat 17 is equal to the inner diameter of the spring 5), the spring 5 is connected with the connecting seat 17, the spring seat sleeve 12 stretches into the corresponding first connecting groove 11 and forms sliding fit with the inner side wall of the first connecting groove 11, a protruding first barb 14 is formed in the inner side wall of the first connecting groove 11, a protruding second barb 15 is formed in the outer side wall of the spring seat sleeve 12, and the protruding barb 14 is matched with the first barb 14 to limit the spring seat sleeve 12 from falling out of the first connecting groove 11.
The side wall of the second connecting groove 13 is provided with a plurality of breaking grooves 16, the breaking grooves 16 are arranged at intervals in the circumferential direction of the spring seat cover 12, the breaking grooves 16 penetrate through the inner side and the outer side of the second connecting groove 13 and are arranged at the open ends, so that when the spring seat cover 12 enters the first connecting groove 11, the open ends of the spring seat cover 12 can be deformed in a converging manner inwards, the diameter of the open ends of the spring seat cover 12 is reduced, the spring seat cover 12 can pass through the first barbs 14 and enter the second connecting groove 13, the spring seat cover 12 is deformed again after entering the second connecting groove 13, and the first barbs 14 are matched with the second barbs 15 to form a structure for limiting the spring seat cover 12 from falling out of the first connecting groove 11.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to enable any modification, equivalent replacement, improvement or the like to be made within the spirit and principles of the utility model.
Claims (5)
1. The spring installation connection structure in the plunger type brake master cylinder comprises a piston rod and a spring (5), wherein one end of the piston rod is provided with a first connection groove (11), and the structure is characterized by further comprising a spring seat sleeve (12), a second connection groove (13) is formed in the spring seat sleeve (12), two ends of the spring (5) are respectively connected in the first connection groove (11) and the second connection groove (13), the spring seat sleeve (12) stretches into the first connection groove (11) and forms sliding fit with the piston rod, a first protruding barb (14) is arranged on the inner side wall of the first connection groove (11), a second protruding barb (15) is arranged on the outer side wall of the spring seat sleeve (12), and the second barb (15) and the first barb (14) are matched to limit the spring seat sleeve (12) from being separated from the first connection groove (11).
2. The spring mounting and connecting structure in a plunger type brake master cylinder according to claim 1, wherein a plurality of breaking grooves (16) are formed in the side wall of the second connecting groove (13), and the breaking grooves (16) are formed in a plurality of at intervals in the circumferential direction of the spring seat cover (12).
3. The spring mounting and connecting structure in a plunger type brake master cylinder according to claim 1, wherein the bottom of the first connecting groove (11) is provided with a protruding connecting seat (17).
4. The spring mounting and connecting structure in a plunger type brake master cylinder according to claim 1, wherein the bottom of the second connecting groove (13) is provided with a through hole (18).
5. The spring installation connection structure in a plunger type brake master cylinder according to claim 1 is characterized by further comprising a main cylinder body (1), wherein two piston rods are arranged in the main cylinder body (1), the two piston rods are a first piston rod (2) and a second piston rod (3) respectively, the first piston rod (2) is located on the inner side of the second piston rod (3), the first connecting groove (11) of the first piston rod (2) and the second piston rod (3) is respectively connected with the spring (5) and the spring seat sleeve (12), one spring seat sleeve (12) is propped against the inner wall of the main cylinder body (1), and the other spring seat sleeve (12) is propped against the first piston rod (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421158129.0U CN222272043U (en) | 2024-05-25 | 2024-05-25 | A spring installation connection structure in a plunger-type brake master cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202421158129.0U CN222272043U (en) | 2024-05-25 | 2024-05-25 | A spring installation connection structure in a plunger-type brake master cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN222272043U true CN222272043U (en) | 2024-12-31 |
Family
ID=93949494
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202421158129.0U Active CN222272043U (en) | 2024-05-25 | 2024-05-25 | A spring installation connection structure in a plunger-type brake master cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN222272043U (en) |
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2024
- 2024-05-25 CN CN202421158129.0U patent/CN222272043U/en active Active
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