CN217022471U - Automobile brake piston convenient to disassemble and assemble - Google Patents
Automobile brake piston convenient to disassemble and assemble Download PDFInfo
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- CN217022471U CN217022471U CN202220844113.XU CN202220844113U CN217022471U CN 217022471 U CN217022471 U CN 217022471U CN 202220844113 U CN202220844113 U CN 202220844113U CN 217022471 U CN217022471 U CN 217022471U
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Abstract
An automobile brake piston convenient to disassemble and assemble comprises a piston body, wherein a metal hoop is sleeved outside the piston body, the surface of the metal hoop is provided with a limiting groove A and a limiting groove B, the circumference of the middle position of the surface of the metal hoop is provided with elliptical anti-skidding grooves at equal intervals, a metal lining is arranged in the piston body, the inner surface of the metal lining is arranged in a frosted surface manner, the metal hoop is sleeved outside the piston body, a limiting groove A, an oval anti-slip groove and a limiting groove B are formed in the surface of the metal hoop, a metal lining is arranged inside the piston body, when a maintenance worker detaches the piston body relative to an automobile brake disc, a thumb is pressed on the surface of the metal hoop, and a forefinger and a middle finger are inserted into the surface of the metal lining inside the piston body, so that the friction force between the fingers and the piston body is effectively increased, the fingers are not prone to sideslip when being pulled, and detaching efficiency is improved; the arrangement of the arc-shaped chamfer surface has the effect of auxiliary guiding when in plugging, and the assembly efficiency is improved.
Description
Technical Field
The utility model relates to the technical field of automobile accessories, in particular to an automobile brake piston convenient to disassemble and assemble.
Background
An automobile accessory is a product that constitutes each unit of an automobile as a whole and serves the automobile. Automobile parts are in a wide variety, and nowadays, automobiles are more and more in brands and types. The automobile can be divided into a passenger car and a commercial car, wherein the passenger car refers to a vehicle with less than nine seats (including a driver seat) and a main purpose of carrying passengers. In particular, passenger cars are further classified into basic passenger cars, i.e., cars, MPV models, SUV models, and other vehicle models such as pickup trucks and the like. The automobile brake piston is a part installed in an automobile brake, and is manually operated by maintenance personnel when being assembled and disassembled.
Because the automobile brake piston is a cylindrical part and has small volume, when a maintenance worker dismantles the automobile brake piston, the friction force between the fingers and the piston is small, the produced traction force is relatively small, the fingers easily sideslip, and the disassembly efficiency is influenced.
In order to solve the problems, the application provides an automobile brake piston convenient to disassemble and assemble.
SUMMERY OF THE UTILITY MODEL
Objects of the utility model
In order to solve the technical problems in the background art, the utility model provides an automobile brake piston convenient to disassemble and assemble, wherein a metal hoop ring is sleeved outside a piston body, a limiting groove A, an elliptical anti-skidding groove and a limiting groove B are arranged on the surface of the metal hoop ring, a metal lining is arranged inside the piston body, when a maintenance worker disassembles the piston body relative to an automobile brake disc, a thumb is pressed on the surface of the metal hoop ring, and a forefinger and a middle finger are inserted on the surface of the metal lining inside the piston body, so that the friction force between the fingers and the piston body is effectively increased, the fingers are not easy to sideslip when the automobile brake piston is pulled, and the disassembly efficiency is improved; the arrangement of the arc-shaped chamfer surface has the effect of auxiliary guiding when in plug-in connection, and the assembly efficiency is improved.
(II) technical scheme
In order to solve the problems, the utility model provides an automobile brake piston convenient to disassemble and assemble, which comprises a piston body, wherein a metal hoop ring is sleeved outside the piston body, the surface of the metal hoop ring is provided with a limiting groove A and a limiting groove B, elliptical anti-skidding grooves are equidistantly arranged on the circumference of the middle position of the surface of the metal hoop ring, a metal lining is arranged inside the piston body, the inner surface of the metal lining is arranged in a frosted surface mode, the metal hoop ring is sleeved outside the piston body, the surface of the metal hoop ring is provided with the limiting groove A, the elliptical anti-skidding grooves and the limiting groove B, the metal lining is arranged inside the piston body, when a maintenance worker disassembles the piston body relative to an automobile brake disc, the thumb is pressed on the surface of the metal hoop ring, the index finger and the middle finger are inserted on the surface of the metal lining inside the piston body, so that the friction force between the fingers and the piston body is effectively increased, when the tractor is pulled, the tractor is not easy to sideslip, and the disassembly efficiency is improved.
Preferably, the inserting end of the piston body is provided with an arc-shaped chamfer surface, the arc-shaped chamfer surface is in a circular ring shape, the end face of the piston body is held by a maintenance worker due to the arrangement of the arc-shaped chamfer surface, when the piston body is inserted into the brake disc relatively, the diameter of the arc-shaped chamfer surface is smaller than that of an assembling groove of the brake disc, the arc-shaped chamfer surface is in a streamline arrangement, and the piston body has an auxiliary guiding effect and improves assembling efficiency when the piston body is inserted into the brake disc relatively.
Preferably, the oval anti-slip groove is located between the limiting groove A and the limiting groove B, the limiting groove A and the limiting groove B have an auxiliary limiting effect, and the oval anti-slip groove increases friction between the finger and the metal hoop.
Preferably, the open end position fixed connection metal of piston body keeps off the ring, and the metal keeps off ring and piston body fixed connection, the metal keeps off the outside position that the ring is located the metal inside lining, and the metal keeps off ring terminal surface and metal inside lining fixed connection, and the metal inside lining is installed inside the piston body, and the metal keeps off the ring and is supplementary spacing and support to the metal inside lining, and the metal inside lining inner surface sets up for the frosting, has fine frictional force, is difficult for sideslipping.
Preferably, the inner surface of the piston body is provided with an assembly boss, and the assembly boss is used for combined connection between the piston body and an external assembly part.
The technical scheme of the utility model has the following beneficial technical effects:
1. according to the utility model, the metal hoop is sleeved outside the piston body, the surface of the metal hoop is provided with the limiting groove A, the oval anti-skidding groove and the limiting groove B, the metal lining is arranged inside the piston body, when a maintenance worker unloads the piston body relative to an automobile brake disc, the thumb is pressed on the surface of the metal hoop, and the forefinger and the middle finger are inserted into the surface of the metal lining inside the piston body, so that the friction force between the fingers and the piston body is effectively increased, the fingers are not easy to sideslip during traction, and the unloading efficiency is improved.
2. The insertion end of the piston body is provided with the arc-shaped chamfer surface, the arc-shaped chamfer surface is arranged in a circular ring shape, the arc-shaped chamfer surface is arranged, a maintenance worker holds the end surface of the piston body, when the piston body is inserted in a brake disc relative to the brake disc, the diameter of the arc-shaped chamfer surface is smaller than that of an assembly groove of the brake disc, the arc-shaped chamfer surface is arranged in a streamline shape, and the insertion end has an auxiliary guiding effect and improves the assembly efficiency.
Drawings
Fig. 1 is a schematic view of an overall structure of an automobile brake piston convenient to disassemble and assemble according to the present invention.
Fig. 2 is a schematic view of a piston body bottom structure of an automobile brake piston convenient to disassemble and assemble according to the present invention.
Fig. 3 is a schematic diagram of an internal structure of a piston body of an automobile brake piston convenient to disassemble and assemble according to the present invention.
Fig. 4 is a schematic structural diagram of a metal hoop of an automobile brake piston convenient to disassemble and assemble according to the utility model.
Reference numerals: 1. a piston body; 101. an arc-shaped chamfer surface; 2. a metal ferrule; 201. a limiting groove A; 202. an elliptical anti-slip groove; 203. a limiting groove B; 3. a metal liner; 4. a metal baffle ring.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail with reference to the accompanying drawings in combination with the embodiments. It is to be understood that these descriptions are only illustrative and are not intended to limit the scope of the present invention. Moreover, in the following description, descriptions of well-known structures and techniques are omitted so as to not unnecessarily obscure the concepts of the present invention.
As shown in fig. 1-4, the automobile brake piston convenient to disassemble and assemble provided by the utility model comprises a piston body 1, wherein a metal hoop 2 is sleeved outside the piston body 1, a limiting groove a201 and a limiting groove B203 are arranged on the surface of the metal hoop 2, elliptical anti-slip grooves 202 are arranged on the middle position circumference of the surface of the metal hoop 2 at equal intervals, a metal lining 3 is arranged inside the piston body 1, and the inner surface of the metal lining 3 is provided with a frosted surface.
It should be noted that, metal hoop 2 has been cup jointed at 1 outside of piston body, 2 surfaces of metal hoop are provided with spacing recess A201, oval-shaped antiskid groove 202 and spacing recess B203, 1 inside metal inside lining 3 that is provided with of piston body, maintenance person is when dismantling piston body 1 relative to the automobile brake disc, the thumb pressfitting is on 2 surfaces of metal hoop, forefinger and middle finger peg graft on 3 surfaces of the inside metal inside lining of piston body 1, the frictional force between effectual increase finger and piston body 1, when pulling, be difficult for sideslipping, improve and dismantle efficiency.
In an alternative embodiment, the insertion end of the piston body 1 is provided with an arc-shaped chamfer surface 101, and the arc-shaped chamfer surface 101 is arranged in a circular ring shape.
It should be noted that, due to the arrangement of the arc-shaped chamfer surface 101, a maintenance worker holds the end surface of the piston body 1, when the piston body 1 is inserted into the brake disc relatively, the diameter of the arc-shaped chamfer surface 101 is smaller than that of the assembling groove of the brake disc, and the arc-shaped chamfer surface 101 is arranged in a streamline manner, so that the effect of auxiliary guiding is achieved when the piston body is inserted into the brake disc, and the assembling efficiency is improved.
In an alternative embodiment, the oval-shaped anti-slip groove 202 is located between the limiting groove A201 and the limiting groove B203.
It should be noted that the limiting grooves a201 and B203 have an auxiliary limiting effect, and the elliptical anti-slip groove 202 increases the friction force between the finger and the metal hoop 2.
In an alternative embodiment, the open end of the piston body 1 is fixedly connected with the metal retaining ring 4, the metal retaining ring 4 is fixedly connected with the piston body 1, the metal retaining ring 4 is located at an outer side position of the metal inner liner 3, and an end face of the metal retaining ring 4 is fixedly connected with the metal inner liner 3.
It should be noted that, inside the piston body 1 was installed to metal inside lining 3, and metal keeps off ring 4 and assists spacing and support metal inside lining 3, and 3 internal surfaces of metal inside lining are the frosting setting, have fine frictional force, are difficult for sideslipping.
In an alternative embodiment the inner surface of the piston body 1 is provided with an assembly boss.
It should be noted that the assembly boss is provided for the combined connection between the piston body 1 and the outer fitting.
According to the utility model, the metal hoop ring 2 is sleeved outside the piston body 1, the surface of the metal hoop ring 2 is provided with a limiting groove A201, an elliptical anti-skidding groove 202 and a limiting groove B203, the inside of the piston body 1 is provided with a metal lining 3, when a maintenance worker detaches the piston body 1 relative to an automobile brake disc, a thumb is pressed on the surface of the metal hoop ring 2, and a forefinger and a middle finger are inserted on the surface of the metal lining 3 inside the piston body 1, so that the friction force between the fingers and the piston body 1 is effectively increased, and the fingers are not easy to sideslip when being pulled, so that the detaching efficiency is improved; due to the arrangement of the arc-shaped chamfer surface 101, a maintenance worker holds the end face of the piston body 1, when the piston body 1 is inserted into a brake disc relatively, the diameter of the arc-shaped chamfer surface 101 is smaller than the diameter of an assembly groove of the brake disc, the arc-shaped chamfer surface 101 is arranged in a streamline mode, and when the piston body is inserted into the brake disc, the effect of auxiliary guiding is achieved, and the assembly efficiency is improved.
It is to be understood that the above-described embodiments of the present invention are merely illustrative of or explaining the principles of the utility model and are not to be construed as limiting the utility model. Therefore, any modification, equivalent replacement, improvement and the like made without departing from the spirit and scope of the present invention should be included in the protection scope of the present invention. Further, it is intended that the appended claims cover all such variations and modifications as fall within the scope and boundaries of the appended claims or the equivalents of such scope and boundaries.
Claims (6)
1. The utility model provides an automobile brake piston convenient to dismouting, its characterized in that includes piston body (1), metal hoop (2) have been cup jointed to piston body (1) outside, metal hoop (2) surface is provided with spacing recess A (201) and spacing recess B (203), metal hoop (2) surface intermediate position circumference equidistance is provided with oval type antiskid groove (202), piston body (1) inside is provided with metal inside lining (3), metal inside lining (3) internal surface is the frosting setting.
2. The automobile brake piston convenient to disassemble and assemble as claimed in claim 1, wherein the insertion end of the piston body (1) is provided with an arc-shaped chamfer surface (101), and the arc-shaped chamfer surface (101) is arranged in a circular ring shape.
3. The automobile brake piston convenient to disassemble and assemble according to claim 1, wherein the oval-shaped anti-slip groove (202) is positioned between the limiting groove A (201) and the limiting groove B (203).
4. The automobile brake piston convenient to disassemble and assemble according to claim 1, wherein the open end of the piston body (1) is fixedly connected with a metal retaining ring (4), and the metal retaining ring (4) is fixedly connected with the piston body (1).
5. The automobile brake piston convenient to disassemble and assemble as claimed in claim 4, wherein the metal baffle ring (4) is located at the outer side position of the metal lining (3), and the end face of the metal baffle ring (4) is fixedly connected with the metal lining (3).
6. The automotive brake piston convenient to disassemble and assemble as claimed in claim 1, is characterized in that the inner surface of the piston body (1) is provided with an assembling boss.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844113.XU CN217022471U (en) | 2022-04-12 | 2022-04-12 | Automobile brake piston convenient to disassemble and assemble |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220844113.XU CN217022471U (en) | 2022-04-12 | 2022-04-12 | Automobile brake piston convenient to disassemble and assemble |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217022471U true CN217022471U (en) | 2022-07-22 |
Family
ID=82417424
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220844113.XU Active CN217022471U (en) | 2022-04-12 | 2022-04-12 | Automobile brake piston convenient to disassemble and assemble |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217022471U (en) |
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2022
- 2022-04-12 CN CN202220844113.XU patent/CN217022471U/en active Active
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