CN103112446A - Braking brake pump - Google Patents
Braking brake pump Download PDFInfo
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- CN103112446A CN103112446A CN2013100442229A CN201310044222A CN103112446A CN 103112446 A CN103112446 A CN 103112446A CN 2013100442229 A CN2013100442229 A CN 2013100442229A CN 201310044222 A CN201310044222 A CN 201310044222A CN 103112446 A CN103112446 A CN 103112446A
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Abstract
The invention relates to the technical field of auto spare parts, in particular to a braking brake pump which is used for a braking system of an automobile. Compared with the prior art, the braking brake pump comprises a first piston body, a second piston body, a first valve body and a second valve body. The first piston body is provided with a piston rod, a piston and a piston cylinder. The second piston body is provided with a second piston. The first valve body is arranged between the first piston body and the second piston body and is used as the piston rod of the second piston body. A first piston outer shell and a second piston outer shell are respectively arranged on the first piston body and the second piston body. The second piston outer shell is used as the piston cylinder of the second piston body. The braking brake pump achieves braking through up-and-down motion of the two piston bodies and has the advantages of being simple in structure, safe in using, low in processing cost, good in use effect, stable in structure, not prone to damaging and the like.
Description
Technical field
The present invention relates to the vehicular spare parts technical field, particularly a kind of for the drag pump on automobile brake system.
Background technology
Present carrier etc. all needs to use master cylinder, master cylinder is connected with trampling to pull with the brake clamp of automobile, drive the action of master cylinder by trampling the action of pulling, the action of master cylinder promotes the action of brake clamp, brake clamp compresses to carry out braking action to Friction disk and the brake disc that is located on wheel hub, the quality of master cylinder directly impact brake effect and on the impact of wheel hub, and the parts that overweight most in master cylinder are piston undoubtedly.Drag pump of the prior art all adopts the connecting rod braking, connecting rod pushing piston up-and-down movement in pump, and notice air pressure produces braking effect, but adopts the piston structure of this structure complicated, and high to part processing precision, causes manufacturing cost high.
Summary of the invention
Be to solve the prior art existing defective of drag pump and problem, a kind of simple in structure, drag pump that result of use is good is provided.
the present invention is that the technical scheme that its technical matters of solution adopts is: drag pump of the present invention comprises the first piston body, the second piston body and the first valve body and the second valve body, the first piston body is provided with piston rod, piston and piston barrel, the second piston body is provided with the second piston, be the first valve body between first piston body and the second piston body, the first valve body serves as the piston rod of the second piston body, be respectively equipped with first piston shell and the second piston shell at described first piston body and the second piston body, described the second piston shell serves as the piston barrel of the second piston body.
Connect a upper cover in described first piston body upper end, be provided with a screw rod in upper cover, at the stopper rod upper end of first piston body surface cover one piston bush, described screw top is on piston bush.
Described the first valve body is arranged on first piston body lower end, it comprise valve and valve seat and be arranged on valve and valve seat between retracing spring, the described piston barrel that heads on the first piston body in the valve upper end, described valve seat is pressed in the upper end of the second piston of the second piston body.
Described the second valve body also comprise valve and valve seat and be arranged on valve and valve seat between retracing spring, described valve upper end heads on the second piston lower surface of the second piston body, described valve seat is limited to the tail end of the second piston shell by a jump ring, end at valve seat is provided with relief hole, and at relief hole top plug one blowdown valve.
Described first piston body and the first valve body all are arranged in the first piston shell, be provided with the turnover connection for bbreather pipe on the first piston shell, described the second piston body and the second valve body all are arranged in the second piston shell, are provided with the turnover connection for bbreather pipe on the second piston shell.
The invention has the beneficial effects as follows: compared with prior art, drag pump of the present invention adopts the up-and-down movement of two piston bodies to realize braking, simple in structure, use safety that its great advantage is, tooling cost is low, has result of use good, Stability Analysis of Structures, the advantage such as not fragile.
Description of drawings
Below in conjunction with the drawings and specific embodiments, drag pump of the present invention is described further.
Fig. 1 is drag pump structure schematic diagram of the present invention.
The specific embodiment
As shown in Figure 1, drag pump of the present invention comprises upper cover body 10, first piston body 20, the second piston body 30, the first valve body 40 and the second valve body 50, upper cover body 10 is arranged on first piston body 20 upper ends, the first valve body 40 is connecting first piston body 20 and the second piston body 30, the second valve bodies 50 and is being arranged at the second piston body 30 lower ends.
As shown in Figure 1, upper cover body 10 comprises a upper cover 11, establishes a screw rod 12 in upper cover 11, screw rod 12 overcoat one rubber coatings 13, screw rod 12 upper surfaces connection brake pedal plate (not shown) are after stepping on brake pedal plate, be in brake process, screw rod 12 moves downward.
As shown in Figure 1, first piston body 20 is arranged in first piston shell 21, upper cover 11 is connected cooperation with first piston shell 21, first piston body 20 includes piston rod 22, piston 23 and piston barrel 24, piston barrel 24 is enclosed within the interior cavity of first piston shell 21,23 times side pressures of piston, one spring 25, piston 23 is enclosed within on piston rod 22, piston rod 22 upper end cover one piston bush 26, the screw rod 12 of upper cover body 10 withstands on piston bush 26, and pressing piston rod 22 to move downward, be provided with turnover connection for bbreather pipe 27 on first piston shell 21.
As shown in Figure 1, the first valve body 40 also is arranged in first piston shell 21, the first valve body 40 comprise valve 41 and valve seat 42 and be arranged on valve 41 and valve seat 42 between retracing spring 43, valve 41 upper ends head on the piston barrel 24 of first piston body 20, and valve seat 42 matches with the second piston body 30.
as shown in Figure 1, the second piston body 30 is arranged in the second piston shell 31, the second piston body 30 comprises second piston 32, the second piston 32 adopts an integral design, the second piston 32 is enclosed within the second piston shell 31 inner chambers, the second piston shell 31 has served as the second piston barrel in fact to be used, the second piston 32 upper ends head on the valve seat 42 of the first valve body 40, whole the first valve body 40 has served as the second piston rod in fact to be used, whole the first valve body 40 is promoting the second piston 32 and is carrying out up-and-down movement, also be provided with turnover connection for bbreather pipe 33 on the second piston shell 31.
As shown in Figure 1, the second valve body 50 also is arranged in the second piston shell 31, the second valve body 50 also comprise valve 51 and valve seat 52 and be arranged on valve 51 and valve seat 52 between retracing spring 53, valve 51 upper ends of the second valve body 50 head on the second piston 32 lower surfaces of the second piston body 30, valve seat 52 is limited to the tail end of the second piston shell 31 by a jump ring 53, end at valve seat 52 is provided with relief hole 54, and at relief hole 54 top plug one blowdown valves 55.
As shown in Figure 1, upper cover 11 captive joints first piston shell 21, and first piston shell 21 captive joint the second piston shell 31.The piston rod 22 that screw rod 12 in upper cover 11 heads on first piston body 20 moves downward, 20 of first piston bodies are promoting the first valve body 40 actions, the first valve body 40 is connecting first piston body 20 and the second piston body 30, the piston rod that the first valve body 40 is serving as the second piston body 30 uses, the piston barrel that the second piston shell 31 is serving as the second piston body 30 uses, and the second piston body 30 carries out piston movement under the promotion of the first valve body 40.In the piston movement up and down of first piston body 20 and the second piston body 30, the turnover connection for bbreather pipe 33 on the turnover connection for bbreather pipe 27 on first piston shell 21 and the second piston shell 31 passes in and out gas, thereby reaches the effect of brake.
By as can be known above-mentioned, drag pump of the present invention adopts the up-and-down movement of two piston bodies to realize braking, and that its great advantage is is simple in structure, use safety, and tooling cost is low, has result of use good, Stability Analysis of Structures, the advantage such as not fragile.
According to embodiments of the invention describing the present invention property and nonrestrictive description, but should be understood that in the situation that do not break away from relevant protection domain defined by the claims, those skilled in the art can make change and/or revise.
Claims (5)
1. drag pump, it is characterized in that, comprise first piston body, the second piston body and the first valve body and the second valve body, the first piston body is provided with piston rod, piston and piston barrel, the second piston body is provided with the second piston, be the first valve body between first piston body and the second piston body, the first valve body serves as the piston rod of the second piston body, be respectively equipped with first piston shell and the second piston shell at described first piston body and the second piston body, described the second piston shell serves as the piston barrel of the second piston body.
2. drag pump according to claim 1, is characterized in that, connects a upper cover in described first piston body upper end, is provided with a screw rod in upper cover, and at the stopper rod upper end of first piston body surface cover one piston bush, described screw top is on piston bush.
3. drag pump according to claim 1 and 2, it is characterized in that, described the first valve body is arranged on first piston body lower end, it comprise valve and valve seat and be arranged on valve and valve seat between retracing spring, the described piston barrel that heads on the first piston body in the valve upper end, described valve seat is pressed in the upper end of the second piston of the second piston body.
4. drag pump according to claim 1, it is characterized in that, described the second valve body also comprise valve and valve seat and be arranged on valve and valve seat between retracing spring, described valve upper end heads on the second piston lower surface of the second piston body, described valve seat is limited to the tail end of the second piston shell by a jump ring, end at valve seat is provided with relief hole, and at relief hole top plug one blowdown valve.
5. drag pump according to claim 1, it is characterized in that, described first piston body and the first valve body all are arranged in the first piston shell, be provided with the turnover connection for bbreather pipe on the first piston shell, described the second piston body and the second valve body all are arranged in the second piston shell, are provided with the turnover connection for bbreather pipe on the second piston shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044222.9A CN103112446B (en) | 2013-02-02 | 2013-02-02 | Drag pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310044222.9A CN103112446B (en) | 2013-02-02 | 2013-02-02 | Drag pump |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103112446A true CN103112446A (en) | 2013-05-22 |
| CN103112446B CN103112446B (en) | 2015-12-09 |
Family
ID=48410851
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310044222.9A Active CN103112446B (en) | 2013-02-02 | 2013-02-02 | Drag pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103112446B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370513A (en) * | 2016-09-14 | 2017-02-01 | 河南平高电气股份有限公司 | Connecting device for detecting torsion |
| CN111674376A (en) * | 2020-07-15 | 2020-09-18 | 漳浦县伟发汽车配件制造有限公司 | Brake master cylinder |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001146156A (en) * | 1999-11-19 | 2001-05-29 | Saitama Kiki Kk | Master cylinder and oil charging method therefor |
| CN2529798Y (en) * | 2002-03-28 | 2003-01-08 | 张应彪 | Dual-chamber overlapped tandem automotive brake general pump |
| CN200951762Y (en) * | 2006-09-22 | 2007-09-26 | 田青锋 | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump |
| CN201745569U (en) * | 2010-05-21 | 2011-02-16 | 王绿阳 | Soft type brake master cylinder |
| CN202279102U (en) * | 2011-10-19 | 2012-06-20 | 周旭斌 | Convenient-to-operate-and-control automobile brake master pump |
-
2013
- 2013-02-02 CN CN201310044222.9A patent/CN103112446B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2001146156A (en) * | 1999-11-19 | 2001-05-29 | Saitama Kiki Kk | Master cylinder and oil charging method therefor |
| CN2529798Y (en) * | 2002-03-28 | 2003-01-08 | 张应彪 | Dual-chamber overlapped tandem automotive brake general pump |
| CN200951762Y (en) * | 2006-09-22 | 2007-09-26 | 田青锋 | Dual cavity parallel type electromagnetic controlling secondary pressurizing automobile brake general pump |
| CN201745569U (en) * | 2010-05-21 | 2011-02-16 | 王绿阳 | Soft type brake master cylinder |
| CN202279102U (en) * | 2011-10-19 | 2012-06-20 | 周旭斌 | Convenient-to-operate-and-control automobile brake master pump |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106370513A (en) * | 2016-09-14 | 2017-02-01 | 河南平高电气股份有限公司 | Connecting device for detecting torsion |
| CN111674376A (en) * | 2020-07-15 | 2020-09-18 | 漳浦县伟发汽车配件制造有限公司 | Brake master cylinder |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103112446B (en) | 2015-12-09 |
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