CN211175133U - Novel brake wheel cylinder structure - Google Patents
Novel brake wheel cylinder structure Download PDFInfo
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- CN211175133U CN211175133U CN201921471269.2U CN201921471269U CN211175133U CN 211175133 U CN211175133 U CN 211175133U CN 201921471269 U CN201921471269 U CN 201921471269U CN 211175133 U CN211175133 U CN 211175133U
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Abstract
The utility model discloses a novel stopper wheel cylinder structure. The top of the cylinder body is provided with an air vent and an oil inlet, through holes are symmetrically formed in two ends of the cylinder body to form an inner cavity, two piston assemblies are symmetrically arranged in the inner cavity and are connected through a spring, and each piston assembly comprises a leather cup, a piston and a shield; the leather cups are arranged in the annular grooves of the two pistons, the leather cups are provided with annular leather cup grooves, the springs are connected between the two pistons, the inner end surface and the outer circumferential edge of the two pistons are provided with a plurality of piston pressure buildup grooves, and the piston pressure buildup grooves enable the inner cavity space between the two pistons to be communicated with the leather cup grooves. The utility model relates to an outer circumference equipartition design of face is built to piston has and builds the indent, is favorable to brake fluid to get into the cylinder body after evenly flowing into the leather bowl inslot rapidly like this, rapidly builds pressure in the cylinder body.
Description
Technical Field
The utility model relates to a car wheel cylinder structure especially provides a novel stopper wheel cylinder structure.
Background
Generally speaking, in general brake design, the pressure building hole of reserving on the piston pressure building face in the wheel cylinder is circular, and the position is located the piston pressure building face in the middle of, and symmetrical arrangement is 2 ~ 4, and hole diameter is about 2mm, and such design can get into the leather bowl groove through the aperture after brake fluid gets into the cylinder body, and speed is slower, and impurity blocks up the aperture easily.
Therefore, it is necessary to design a new wheel cylinder, which ensures that the pressure build-up of the wheel cylinder is normal, even and rapid.
SUMMERY OF THE UTILITY MODEL
To the problem that exists among the prior art, the utility model aims at designing out a novel wheel cylinder, realize that the wheel cylinder is even and build the pressure fast.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model mainly comprises a cylinder body, a spring and a piston assembly; the top of the cylinder body is provided with an air vent and an oil inlet, through holes are symmetrically formed in two ends of the cylinder body to form an inner cavity, two piston assemblies are symmetrically arranged in the inner cavity and are connected through a spring, and each piston assembly comprises a leather cup, a piston and a shield; two pistons of the two piston assemblies are arranged in an inner cavity of a cylinder body, annular grooves are formed in the outer peripheral surfaces of the inner ends of the two pistons, leather cups are arranged in the annular grooves, the pistons are connected with the inner wall of the inner cavity of the cylinder body in a sealing mode through the leather cups, annular leather cup grooves are formed in the inner end surface, close to the center of the cylinder body, of each leather cup, the centers of the inner end surfaces of the two pistons are arranged into cone frustum structures, springs are connected between the cone frustum structures of the two pistons, a plurality of piston pressure buildup grooves are formed in the outer peripheral edges of the inner end surfaces of the two pistons, and the piston pressure buildup grooves enable the inner cavity; the outer end faces of the two pistons are connected with screw blocks through threads, and the screw blocks are connected with the outer port of the cylinder body through the protective cover and form elastic fixed connection.
The air release hole is provided with an air release screw, the air release screw is provided with an air release screw cover, and air in the inner cavity of the cylinder body is released when brake fluid is added through the air release screw.
The piston pressure build-up groove is a notch groove formed in the edge of the inner end face of the piston and is arc-shaped or square.
The number of the piston pressure buildup grooves is not less than two, and the piston pressure buildup grooves are uniformly distributed on the circumference.
The protective cover is of an annular dome structure, the outer peripheral surface of the screw block is fixedly connected with the inner side portion of the protective cover, and the outer side portion of the protective cover is clamped into an inner groove formed in the periphery of the through hole of the cylinder body, so that the screw block is elastically connected with the outer port of the cylinder body through the protective cover.
The utility model has the advantages that:
the utility model relates to an outer circumference equipartition design of face is built to piston has and builds the indent, is favorable to brake fluid to get into the cylinder body after evenly flowing into the leather bowl inslot rapidly like this, rapidly builds pressure in the cylinder body.
The utility model has the advantages of as follows: 1. the design is reasonable, and the structure is simple; 2. the pressure build-up is uniform and rapid.
Drawings
Fig. 1 is an exploded view of the appearance of the wheel cylinder assembly according to the present invention.
Fig. 2 is an external view of the wheel cylinder assembly according to the present invention.
Fig. 3 is a sectional view of the installation of the present invention.
Fig. 4 is a schematic view of the piston groove of the present invention.
Fig. 5 is a schematic diagram of the pressure build-up of the wheel cylinder of the present invention.
In the figure: 1. the device comprises a cylinder body, 2, a spring, 3, a leather cup, 4, a piston, 5, a shield, 6, a deflation screw, 7 and a deflation screw cover.
Detailed Description
The invention is further described with reference to the accompanying drawings and the description of the embodiments, the installation and the use thereof.
As shown in fig. 1 and 2, the piston mainly comprises a cylinder 1, a spring 2 and a piston assembly; the top of the cylinder body 1 is provided with an air release hole and an oil inlet hole, brake fluid is injected from the oil inlet hole, the original air in the inner cavity is discharged from the air release hole, an air release screw 6 is installed at the air release hole, an air release screw cover 7 is installed on the air release screw 6 for packaging, and air in the inner cavity of the cylinder body 1 is released when the brake fluid is added through the air release screw 6.
Through holes are symmetrically formed in the two ends of the cylinder body 1 to form an inner cavity, the two piston assemblies are symmetrically arranged in the inner cavity, and the two piston assemblies are connected through the spring 2.
As shown in fig. 3 and 4, each piston assembly includes a cup 3, a piston 4, and a shield 5; two pistons 4 of the two piston assemblies are arranged in an inner cavity of a cylinder body 1, the outer peripheral surfaces of inner end parts of the two pistons 4 close to the center of the cylinder body 1 are respectively provided with an annular groove, a leather cup 3 is arranged in the annular groove, the pistons 4 are connected with the inner wall of the inner cavity of the cylinder body 1 in a sealing manner through the leather cup 3, the outer end surface of the leather cup 3 far away from the center of the cylinder body 1 is in close contact with the wall of the annular groove, the inner end surface of the leather cup 3 close to the center of the cylinder body 1 is provided with an annular leather cup groove, the centers of inner end surfaces of the two pistons 4 close to the center of the cylinder body 1 are provided with conical frustum structures, a spring 2 is connected between the conical frustum structures of the two pistons 4, the inner end surfaces of the two pistons 4 close to the center of the cylinder body 1 are used as piston pressure buildup surfaces, the outer peripheral edges are; the outer end faces of the two pistons 4 are connected with screw blocks through threads, the screw blocks are connected with the outer end opening of the cylinder body 1 through the protective cover 5 to form elastic fixed connection, and the screw blocks are connected with an external contact element of the brake.
The utility model relates to an outer circumference equipartition design of face is built to piston has and builds the indent, is favorable to brake fluid to get into the cylinder body after evenly flowing into the leather bowl inslot rapidly like this, rapidly builds pressure in the cylinder body.
In specific implementation, the piston pressure building groove is a notch groove formed in the edge of the inner end face of the piston 4 and is arc-shaped or square. The number of the piston pressure build-up grooves is not less than two, and the piston pressure build-up grooves are evenly distributed on the circumference.
As shown in fig. 3, the protective cover 5 is in an annular dome structure, the outer peripheral surface of the screw block is fixedly connected with the inner side part of the protective cover 5, and the outer side part of the protective cover 5 is clamped into an inner groove formed on the outer wall around the through hole of the cylinder body 1, so that the screw block is elastically connected with the outer port of the cylinder body 1 through the protective cover 5.
As shown in fig. 5, the leather cup 3 is firstly fixed in the annular groove of the piston 4, the spring 2 is installed in the cone frustum structure of one piston 4, then the piston is pressed into the cylinder 1 from one side of the cylinder 1, the other piston 4 is pressed into the cylinder 1 from the other side of the cylinder 1 after the same assembly treatment, then the protective cover 5 is installed on the outer side of the cylinder 1 and is installed with the piston 4 and the cylinder 1 in a matching way, finally the air release screw 6 is screwed on, and the air release screw cover 7 is installed on the air release screw.
The wheel cylinder can be installed on the brake, and when the brake worked, brake fluid got into cylinder body 1 inner chamber through the inlet port on the cylinder body 1, got into the inner chamber of cylinder body 1 after the piston build-up pressure groove through piston 4 rapidly got into the leather cup groove, made the leather cup open and hug closely the cylinder body 1 inner wall and realize sealing, as shown in fig. 4, brake fluid continued to increase, hydraulic pressure promoted piston 4 outwards to strut, piston 4 promoted the external contact spare of brake and realized its function.
Claims (5)
1. A novel brake wheel cylinder structure is characterized in that: mainly comprises a cylinder body (1), a spring (2) and a piston assembly; the top of the cylinder body (1) is provided with an air vent and an oil inlet, two ends of the cylinder body (1) are symmetrically provided with through holes to form an inner cavity, two piston assemblies are symmetrically arranged in the inner cavity and are connected through a spring (2), and each piston assembly comprises a leather cup (3), a piston (4) and a shield (5); two pistons (4) of the two piston assemblies are arranged in an inner cavity of a cylinder body (1), annular grooves are formed in the peripheral surfaces of inner ends of the two pistons (4), leather cups (3) are arranged in the annular grooves, the pistons (4) are connected with the inner wall of the inner cavity of the cylinder body (1) in a sealing mode through the leather cups (3), annular leather cup grooves are formed in inner end surfaces, close to the center of the cylinder body (1), of the leather cups (3), the centers of the inner end surfaces of the two pistons (4) are arranged to be in a cone frustum structure, springs (2) are connected between the cone frustum structures of the two pistons (4), a plurality of piston pressure building grooves are formed in the outer peripheral edges of the inner end surfaces of the two pistons (4), and the piston pressure building grooves enable the inner cavity space between the two pistons (4); the outer end faces of the two pistons (4) are connected with screw blocks through threads, and the screw blocks are connected with the outer end opening of the cylinder body (1) through the protective cover (5) to form elastic fixed connection.
2. The novel brake wheel cylinder structure according to claim 1, characterized in that: bleeder hole department install bleeder screw (6), install bleeder screw cover (7) on bleeder screw (6), deflate the air of cylinder body (1) inner chamber when brake fluid adds through bleeder screw (6).
3. The novel brake wheel cylinder structure according to claim 1, characterized in that: the piston pressure build-up groove is a notch groove formed in the edge of the inner end face of the piston (4) and is arc-shaped or square.
4. The novel brake wheel cylinder structure according to claim 1, characterized in that: the number of the piston pressure buildup grooves is not less than two, and the piston pressure buildup grooves are uniformly distributed on the circumference.
5. The novel brake wheel cylinder structure according to claim 1, characterized in that: the protective cover (5) is of an annular dome structure, the outer peripheral surface of the screw block is fixedly connected with the inner side portion of the protective cover (5), and the outer side portion of the protective cover (5) is clamped into an inner groove formed in the peripheral outer wall of the through hole of the cylinder body (1), so that the screw block is elastically connected with the outer port of the cylinder body (1) through the protective cover (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471269.2U CN211175133U (en) | 2019-09-05 | 2019-09-05 | Novel brake wheel cylinder structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921471269.2U CN211175133U (en) | 2019-09-05 | 2019-09-05 | Novel brake wheel cylinder structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211175133U true CN211175133U (en) | 2020-08-04 |
Family
ID=71807660
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921471269.2U Active CN211175133U (en) | 2019-09-05 | 2019-09-05 | Novel brake wheel cylinder structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211175133U (en) |
-
2019
- 2019-09-05 CN CN201921471269.2U patent/CN211175133U/en active Active
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