CN104175094B - Cylinder-pressing head is used in a kind of master cylinder assembling - Google Patents
Cylinder-pressing head is used in a kind of master cylinder assembling Download PDFInfo
- Publication number
- CN104175094B CN104175094B CN201410345140.2A CN201410345140A CN104175094B CN 104175094 B CN104175094 B CN 104175094B CN 201410345140 A CN201410345140 A CN 201410345140A CN 104175094 B CN104175094 B CN 104175094B
- Authority
- CN
- China
- Prior art keywords
- reverse taper
- taper hole
- hold
- compression leg
- main body
- 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
Links
- 230000006835 compression Effects 0.000 claims abstract description 32
- 238000007906 compression Methods 0.000 claims abstract description 32
- 238000005096 rolling process Methods 0.000 claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 239000010720 hydraulic oil Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
- B23P19/00—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes
- B23P19/02—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same
- B23P19/027—Machines for simply fitting together or separating metal parts or objects, or metal and non-metal parts, whether or not involving some deformation; Tools or devices therefor so far as not provided for in other classes for connecting objects by press fit or for detaching same using hydraulic or pneumatic means
Abstract
The present invention relates to a kind of master cylinder assembling cylinder-pressing head, including hold-down head main body, hold-down head main body upper surface central authorities are provided with screwed hole, hold-down head main body lower surface central authorities are provided with reverse taper hole, and hold-down head lower body part is provided with enlarging groove, and reverse taper hole communicates with enlarging groove, the upper bottom surface of reverse taper hole is furnished with rolling element, being connected with compression leg in reverse taper hole, compression leg is positioned at the part of reverse taper hole and is provided with great Jing district, and the diameter in the great Jing district of compression leg is more than the diameter at reverse taper hole aperture.The present invention uses the form rotated on the rolling element that compression leg can be arranged in hold-down head main body, greatly reduce and rotate the required moment applied of compression leg, make when end cap is pressed to plunger hole by the axle of cylinder, available hand rotates the end cap being pressed on compression leg lower end in time, make end cap in time and the screw-internal thread fit of plunger hole end, substantially increase the efficiency that end cap is installed, significantly reduce the cooperation installation difficulty of end cap.
Description
Technical field
The present invention relates to a kind of auto parts and components assembly equipment, cylinder-pressing head is used in a kind of master cylinder assembling.
Background technology
Master cylinder is the device that the changes mechanical energy that driver touches on the brake becomes in brake system of car hydraulic energy, after driver's brake pedal, hydraulic fluid pressure in master cylinder raises, then piston movement, the final purpose realizing utilizing frictional force to brake will be promoted among hydraulic oil transmission to each brake cylinder.nullThe plug portion of master cylinder is mainly provided with the stage clip of plunger return、Plunger and for by stage clip、Plunger is fixed on the end cap in plunger hole，Wherein the top of end cap is hexa-prism，The upper surface central authorities of end cap are provided with circular trough，The bottom of end cap is provided with the external screw thread coordinated with the master cylinder pump housing，During assembling，First the master cylinder pump housing is fixed，Then the stage clip that the cylinder of hold-down head will be positioned in the plunger hole of master cylinder in advance it is cased with axle head、In plunger and end cap press-in plunger hole，With fork spanner, end cap is screwed in plunger hole again，During end cap being compressed downwards with cylinder，Hold-down head withstands in the circular trough of end cap upper surface，End cap or the pump housing is damaged by pressure in order to prevent cylinder from stretching out excessively，Typically require limit and make cylinder-pressing，Limit rotary end cover，End cap is made to screw in time in plunger hole，End cap is screwed the most again with fork spanner，But owing to the frictional force between end cap and hold-down head is big，Rotary end cover difficulty，Must be by instruments such as fork spanners，It is difficult to ensure that the timely rotary end cover when end cap enters plunger hole thus.
Summary of the invention
The technical problem to be solved is to provide a kind of master cylinder assembling cylinder-pressing head of a kind of simple operation, detection efficiency height, simple structure, flexible adjustment.
The technical problem to be solved realizes by the following technical solutions:
Cylinder-pressing head is used in a kind of master cylinder assembling, including hold-down head main body, described hold-down head main body is cylindrical, hold-down head main body upper surface central authorities are provided with screwed hole, hold-down head is fixed on the axle head of compression cylinder by this screwed hole in use, described hold-down head main body lower surface central authorities are provided with reverse taper hole, hold-down head lower body part is provided with enlarging groove, the diameter of described reverse taper hole is gradually increased from down to up, reverse taper hole communicates with enlarging groove, the upper bottom surface of reverse taper hole is furnished with rolling element, it is connected with compression leg in described reverse taper hole, described compression leg can rotate on the rolling element that reverse taper hole upper bottom surface is furnished with, compression leg is positioned at the part of reverse taper hole and is provided with the great Jing district preventing compression leg from naturally deviating from, the diameter in the great Jing district of compression leg is more than the diameter at reverse taper hole aperture.
Described rolling element is steel ball or cylinder.
Described enlarging groove is one or more, and when enlarging groove is multiple, enlarging groove is generally evenly distributed in hold-down head lower body part, when hold-down head bulk hardness is relatively big or be positioned at the hold-down head main body outside reverse taper hole thicker time, multiple enlarging groove should be set.
The upper bottom surface of described enlarging groove is that the stress concentration phenomenon that U-shaped, U-shaped structure can make enlarging groove produce at enlarging groove upper bottom surface when moment is expanded alleviates to minimum.
The invention has the beneficial effects as follows: the present invention uses the structure that hold-down head main body separates with compression leg so that the compression leg being often worn out is replaceable after damage；The form rotated on the rolling element that employing compression leg can be arranged in hold-down head main body, greatly reduce and rotate the required moment applied of compression leg, make when end cap is pressed to plunger hole by the axle of cylinder, available hand rotates the end cap being pressed on compression leg lower end in time, make end cap in time and the screw-internal thread fit of plunger hole end, substantially increase the efficiency that end cap is installed, significantly reduce the cooperation installation difficulty of end cap；Use the compression leg being provided with great Jing district, it is ensured that compression leg will not be deviate from after the axle of cylinder is mentioned in reverse taper hole；The enlarging groove communicated with reverse taper hole is set in hold-down head main body lower end so that the aperture of reverse taper hole has elasticity, it is ensured that compression leg can be by the aperture of reverse taper hole when user's positive force.
Accompanying drawing explanation
With embodiment, invention is further illustrated below in conjunction with the accompanying drawings.
Fig. 1 is the three-dimensional structure diagram of the present invention；
Fig. 2 is the front view of the present invention；
Fig. 3 is the Fig. 2 sectional view along A-A.
Detailed description of the invention
For the technological means making this name realize, creation characteristic, reach purpose and be easy to understand with effect, below the present invention is expanded on further.
nullAs shown in Figure 1 to Figure 3，Cylinder-pressing head is used in a kind of master cylinder assembling，Including hold-down head main body 1，Described hold-down head main body 1 is cylindrical，Hold-down head main body 1 upper surface central authorities are provided with screwed hole 101，Hold-down head is fixed on the axle head of compression cylinder by this screwed hole 101 in use，Hold-down head main body 1 lower surface central authorities are provided with reverse taper hole 103，Hold-down head main body 1 bottom is provided with enlarging groove 102，The diameter of described reverse taper hole 103 is gradually increased from down to up，Reverse taper hole 103 communicates with enlarging groove 102，The upper bottom surface of reverse taper hole 103 is furnished with rolling element 3，It is connected with compression leg 2 in described reverse taper hole 103，Described compression leg 2 can rotate on the rolling element 3 that reverse taper hole 103 upper bottom surface is furnished with，Compression leg 2 is positioned at the part of reverse taper hole 103 and is provided with the great Jing district 201 preventing compression leg 2 from the most naturally deviating from，The diameter in the great Jing district 201 of compression leg 2 is more than the diameter at reverse taper hole 103 aperture，When or extracting in reverse taper hole 103 in forcing compression leg 2 is pressed into reverse taper hole 103，Enlarging groove 102 moment is expanded，The diameter moment of reverse taper hole 103 lower end increases，Make the great Jing district 201 of compression leg 2 by enlarging groove 102.
Described rolling element 3 is steel ball or cylinder.
Described enlarging groove 102 is one or more, and enlarging groove 102 is generally evenly distributed in hold-down head main body 1 bottom for enlarging groove 102 time multiple, when hold-down head main body 1 hardness is relatively big or be positioned at the hold-down head main body 1 outside reverse taper hole 103 thicker time, multiple enlarging groove 102 should be set.
The upper bottom surface of described enlarging groove 102 is that the stress concentration phenomenon that U-shaped, U-shaped structure can make enlarging groove 102 produce at enlarging groove 102 upper bottom surface when moment is expanded alleviates to minimum.
In use, the upper end of hold-down head main body is tightened on the cylinder axle head for plunger is pressed into plunger hole, then by the circular trough of the lower end set terminal cap upper surface of compression leg, start cylinder, the axle making cylinder compresses downwards, simultaneously when the plunger hole nose end of the lower end in contact master cylinder of end cap, can use hand rotary end cover in time, the mode making end cap be threaded connection with the plunger hole nose end of master cylinder is preliminarily mated and is connected, and then uses fork spanner to be torqued-up on plunger hole by end cap.
The general principle of the present invention, principal character and advantages of the present invention have more than been shown and described.Skilled person will appreciate that of the industry; the present invention is not restricted to the described embodiments; the principle of the simply present invention described in above-described embodiment and specification; without departing from the spirit and scope of the present invention; the present invention also has various changes and modifications, and these changes and improvements both fall within claimed invention.Claimed scope is defined by appending claims and equivalent thereof.
Claims (4)
1. master cylinder assembling uses a cylinder-pressing head, including hold-down head main body (1), it is characterised in that:
Described hold-down head main body (1) upper surface central authorities are provided with screwed hole (101), hold-down head main body (1) lower surface
Central authorities are provided with reverse taper hole (103), and described hold-down head main body (1) bottom is provided with enlarging groove (102), described
Reverse taper hole (103) communicates with enlarging groove (102), and the upper bottom surface of reverse taper hole (103) is furnished with rolling element
(3), being connected with compression leg (2) in reverse taper hole (103), described compression leg (2) is positioned at reverse taper hole (103)
Interior part is provided with great Jing district (201), and the diameter in the great Jing district (201) of compression leg (2) is more than reverse taper hole
(103) diameter at aperture.
A kind of master cylinder assembling cylinder-pressing head the most according to claim 1, it is characterised in that:
Described rolling element (3) is steel ball or cylinder.
A kind of master cylinder assembling cylinder-pressing head the most according to claim 1, it is characterised in that:
Described enlarging groove (102) is one or more, and when enlarging groove (102) is multiple, enlarging groove (102) is
It is evenly distributed on hold-down head main body (1) bottom.
A kind of master cylinder assembling cylinder-pressing head the most according to claim 1, it is characterised in that:
The upper bottom surface of described enlarging groove (102) is U-shaped.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345140.2A CN104175094B (en) | 2014-07-19 | 2014-07-19 | Cylinder-pressing head is used in a kind of master cylinder assembling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410345140.2A CN104175094B (en) | 2014-07-19 | 2014-07-19 | Cylinder-pressing head is used in a kind of master cylinder assembling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104175094A CN104175094A (en) | 2014-12-03 |
| CN104175094B true CN104175094B (en) | 2016-08-24 |
Family
ID=51956594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410345140.2A Expired - Fee Related CN104175094B (en) | 2014-07-19 | 2014-07-19 | Cylinder-pressing head is used in a kind of master cylinder assembling |
Country Status (1)
| Country | Link |
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| CN (1) | CN104175094B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105364462B (en) * | 2015-12-12 | 2018-06-26 | 芜湖安瑞光电有限公司 | The method installed using lamp rear cover mounting tool to lamp rear cover |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305193A (en) * | 1980-01-11 | 1981-12-15 | Anderson Steven C | Zone control valve removal tool and method |
| DE10342676A1 (en) * | 2003-09-16 | 2005-06-16 | Holger Sprenger | Bearing for shaft in hydraulically operated transmission gear, precisely positioned after partial assembly |
| CN1940333A (en) * | 2005-09-30 | 2007-04-04 | 程岱有限公司 | Pump-adjuster of braker with pressure-releasing valve |
| CN201524892U (en) * | 2009-07-23 | 2010-07-14 | 浙江万向精工有限公司 | Press mounting tooling for sealing cover of energy accumulator |
| CN202861738U (en) * | 2012-08-24 | 2013-04-10 | 北京星航机电设备厂 | Squeezing assembly tool |
| CN103753182A (en) * | 2013-11-25 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Pressure embedding device |
-
2014
- 2014-07-19 CN CN201410345140.2A patent/CN104175094B/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4305193A (en) * | 1980-01-11 | 1981-12-15 | Anderson Steven C | Zone control valve removal tool and method |
| DE10342676A1 (en) * | 2003-09-16 | 2005-06-16 | Holger Sprenger | Bearing for shaft in hydraulically operated transmission gear, precisely positioned after partial assembly |
| CN1940333A (en) * | 2005-09-30 | 2007-04-04 | 程岱有限公司 | Pump-adjuster of braker with pressure-releasing valve |
| CN201524892U (en) * | 2009-07-23 | 2010-07-14 | 浙江万向精工有限公司 | Press mounting tooling for sealing cover of energy accumulator |
| CN202861738U (en) * | 2012-08-24 | 2013-04-10 | 北京星航机电设备厂 | Squeezing assembly tool |
| CN103753182A (en) * | 2013-11-25 | 2014-04-30 | 重庆盾铭电磁阀有限公司 | Pressure embedding device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104175094A (en) | 2014-12-03 |
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Effective date of registration: 20181122 Address after: 233300 Second Business and Residence Building of Huaihe Road Riza Company, Wuhe County, Bengbu City, Anhui Province Patentee after: BENGBU ZHIDA TECHNOLOGY CONSULTING Co.,Ltd. Address before: 241000 5 Yang Tian Road, Jiujiang District Economic Development Zone, Wuhu, Anhui Patentee before: WUHU HENGKUN AUTO PARTS Co.,Ltd. |
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Effective date of registration: 20190816 Address after: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-2705 Patentee after: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. Address before: 233300 Second Business and Residence Building of Huaihe Road Riza Company, Wuhe County, Bengbu City, Anhui Province Patentee before: BENGBU ZHIDA TECHNOLOGY CONSULTING Co.,Ltd. |
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Effective date of registration: 20190929 Address after: 325000 Lingzhan Road 988 Lingkun Street, Oujiangkou Industrial Agglomeration Area, Wenzhou, Zhejiang Province (office use only) Patentee after: Zhejiang Pentium Intelligent Brake System Co.,Ltd. Address before: Ganquan road Shushan District of Hefei City, Anhui Province, 230000 West hillock road to the South Wild Garden commercial office building room B-2705 Patentee before: HEFEI WISDOM DRAGON MACHINERY DESIGN Co.,Ltd. |
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| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160824 Termination date: 20210719 |
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| CF01 | Termination of patent right due to non-payment of annual fee |