CN201890221U - Braking master pump assembly - Google Patents

Braking master pump assembly Download PDF

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Publication number
CN201890221U
CN201890221U CN201020594331XU CN201020594331U CN201890221U CN 201890221 U CN201890221 U CN 201890221U CN 201020594331X U CN201020594331X U CN 201020594331XU CN 201020594331 U CN201020594331 U CN 201020594331U CN 201890221 U CN201890221 U CN 201890221U
Authority
CN
China
Prior art keywords
cylinder body
piston
pump assembly
utility
model
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201020594331XU
Other languages
Chinese (zh)
Inventor
夏坤财
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Wuhu Hengkun Auto Parts Co Ltd
Original Assignee
Wuhu Hengkun Auto Parts Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Wuhu Hengkun Auto Parts Co Ltd filed Critical Wuhu Hengkun Auto Parts Co Ltd
Priority to CN201020594331XU priority Critical patent/CN201890221U/en
Application granted granted Critical
Publication of CN201890221U publication Critical patent/CN201890221U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a braking master pump assembly comprising a cylinder body, wherein a left piston and a right piston are arranged in a working cavity of the cylinder body in a sliding fit way, the inner sides of the left piston and the right piston are respectively connected with a leather cup, the inner sides of the leather cups are provided with opposite spring seats, a spring is cushioned between the spring seats, and the side wall of the cylinder body is provided with an oil inlet and an air outlet. In the braking master pump assembly disclosed by the utility model, the processing process of the pistons is simple, the performance is good, the strength is high, clearances between every two parts in the working cavity of the cylinder body are easy to match, and the sealing property is good. Meanwhile, the production cost is low, and the service life is long.

Description

The master brake cylinder assembly
Technical field:
The utility model relates generally to a kind of automobile brake field, relates in particular to a kind of master brake cylinder assembly.
Technical background:
Hydraulic braking master cylinder adopts braking liquid as working medium, utilize the incompressibility of liquid to produce braking and drive force, make the brake component action, reach the purpose of automobile brake, general master brake cylinder is realized by piston motion, and piston is wanted additional central control cock structure and locating dowel pin under normal reciprocating situation, therefore piston structure design, complex manufacturing, become to produce cost higher, and the overall performance of piston is low, intensity is also lower, simultaneously because the part in the master cylinder body running chamber increases, and the cumulative errors between each part are difficult to control, often cause in the cylinder body epitrochoidal chamber gap between each part too big or cooperation is too tight, thereby cause overall performance to descend, can not satisfy practical requirement.
The utility model content:
The purpose of this utility model is in order to remedy the deficiency of prior art, a kind of master brake cylinder assembly is provided, solved piston processing technology complexity, performance is low, intensity is low, the gap in the cylinder body epitrochoidal chamber between each part is not easy to cooperate problems such as poor sealing.
The utility model is achieved through the following technical solutions:
A kind of master brake cylinder assembly includes cylinder body, is sliding combined with left and right piston in the epitrochoidal chamber of described cylinder body, the inboard of left and right piston is connected with leather cup respectively, the inboard of leather cup is provided with relative spring perch, is equipped with spring between the spring perch, and the sidewall of cylinder body has oil inlet, air extractor duct.
The two ends, the left and right sides of described cylinder body are separately installed with guard shield.
The utility model has the advantages that:
The utility model adopts leather cup to match with inboard wall of cylinder block, and the piston processing technology is simple, performance good, intensity is high, and the gap in the cylinder body epitrochoidal chamber between each part cooperates easily, good airproof performance, and productive costs is low simultaneously, long service life.
Description of drawings:
Fig. 1 is the utility model structural representation.
Fig. 2 is the utility model left view.
The specific embodiment:
Referring to accompanying drawing, a kind of master brake cylinder assembly, include cylinder body 1, be sliding combined with left and right piston 2,3 in the epitrochoidal chamber of cylinder body 1, the inboard of left and right piston is connected with leather cup 4 respectively, and the inboard of leather cup 4 is provided with relative spring perch 5, is equipped with spring 6 between the spring perch, the sidewall of cylinder body has oil inlet 7, air extractor duct 8, and the two ends, the left and right sides of cylinder body are separately installed with guard shield 9.

Claims (2)

1. master brake cylinder assembly, include cylinder body, be sliding combined with left and right piston in the epitrochoidal chamber of described cylinder body, it is characterized in that: the inboard of left and right piston is connected with leather cup respectively, the inboard of leather cup is provided with relative spring perch, be equipped with spring between the spring perch, the sidewall of cylinder body has oil inlet, air extractor duct.
2. according to claim 1 master brake cylinder assembly, it is characterized in that: the two ends, the left and right sides of described cylinder body are separately installed with guard shield.
CN201020594331XU 2010-11-03 2010-11-03 Braking master pump assembly Expired - Fee Related CN201890221U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201020594331XU CN201890221U (en) 2010-11-03 2010-11-03 Braking master pump assembly

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201020594331XU CN201890221U (en) 2010-11-03 2010-11-03 Braking master pump assembly

Publications (1)

Publication Number Publication Date
CN201890221U true CN201890221U (en) 2011-07-06

Family

ID=44219696

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201020594331XU Expired - Fee Related CN201890221U (en) 2010-11-03 2010-11-03 Braking master pump assembly

Country Status (1)

Country Link
CN (1) CN201890221U (en)

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Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20110706

Termination date: 20111103