CN202071826U - Improved structure of output ejector pin of vacuum booster - Google Patents
Improved structure of output ejector pin of vacuum booster Download PDFInfo
- Publication number
- CN202071826U CN202071826U CN2011201825963U CN201120182596U CN202071826U CN 202071826 U CN202071826 U CN 202071826U CN 2011201825963 U CN2011201825963 U CN 2011201825963U CN 201120182596 U CN201120182596 U CN 201120182596U CN 202071826 U CN202071826 U CN 202071826U
- Authority
- CN
- China
- Prior art keywords
- push rod
- ejector pin
- base
- joint pin
- improved structure
- 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 - Lifetime
Links
Images
Landscapes
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
Abstract
The utility model discloses an improved structure of an output ejector pin of a vacuum booster. The improved structure comprises an ejector pin base and the ejector pin, wherein, a connecting column extends upwards at the center of the ejector pin base; an internal thread hole is formed at the top of the connecting column; external threads are formed on the circumferential wall of the lower part of the ejector pin; and the lower part of the ejector pin is in threaded connection with the connecting column of the ejector pin base and fixed with the connecting column of the ejector pin base. As the lower part of the ejector pin of the improved structure is in threaded connection with the connecting column of the ejector pin base and fixed with the connecting column of the ejector pin base in a riveting manner, the ejector pin is firmly connected with the ejector pin base and has low probability of looseness. The improved structure is formed by only two parts, so that the structure is relatively simple.
Description
Technical field
The utility model relates to a kind of engine fittings, particularly relates to a kind of improvement structure of vacuum booster output push rod.
Background technology
As shown in Figure 1, in driving engine, output push rod 91 general rigging positions are positioned at the middle part of servo-unit, and its push rod base 913 is inconsistent with reaction plate 92, top nest 931 free-running fits of its push rod 911 ends and first piston assembly 93.Usually, when assembling output push rod 91,, there is certain dimension limit, can't determines the length of output push rod 91 in advance, therefore need carry out pre-assy at every turn, confirm the length of output push rod 91 because each parts are adding man-hour.As shown in Figure 2, the output push rod of commonly using 91 is made of push rod 911, nut 912 and push rod base 913.Describedly decide to convex with on the push rod base 913 a threaded joint pin 9131, at first nut 912 is screwed in the assigned address of push rod 911, again push rod 911 is screwed in the joint pin 9131 together with nut 912, by the length that mutually leans determine output push rod 911 of nut 912 with joint pin 9131 end faces.Adopt said structure, when servo-unit is worked, output push rod 94(is with reference to shown in Figure 1) moving back and forth causes the loosening of nut, then make output push rod 94 tops loosening, the length of its output push rod 91 changes, elongated or the locking of backlash in the braking procedure may be caused, braking failure can be caused when serious.
The utility model content
The purpose of this utility model is to provide a kind of improvement structure of simple in structure, the vacuum booster output push rod that is connected firmly.
For achieving the above object, technical solution of the present utility model is:
The utility model is a kind of improvement structure of vacuum booster output push rod, and it is made up of push rod base and push rod; The central authorities of described push rod base extend upward a joint pin, offer an internal thread hole on this joint pin top; Have outside thread on the lower circumference wall of described push rod, the bottom of described push rod is screwed onto on the push rod base joint pin and is fixed together.
The bottom of described push rod is fixed together by riveted mode and push rod base joint pin.
After adopting such scheme, because the bottom of push rod described in the utility model is screwed onto on the push rod base joint pin and by the riveted mode push rod base joint pin and push rod bottom are fixed together, the push rod base is connected very firm with push rod, is difficult for loosening.Again, the utility model has only two parts to form, and structure is comparatively simple.
Below in conjunction with the drawings and specific embodiments the utility model is further described.
Description of drawings
Fig. 1 is that the output push rod is at in-engine scheme of installation;
Fig. 2 is a three-dimensional exploded view of commonly using the output push rod;
Fig. 3 is the three-dimensional exploded view of the utility model output push rod.
The specific embodiment
As shown in Figure 3, the utility model is a kind of improvement structure of vacuum booster output push rod, and it is made up of push rod base 1 and push rod 2.
The central authorities of described push rod base 1 extend upward a joint pin 11, offer an internal thread hole 12 on these joint pin 11 tops; Has outside thread 21 on the lower circumference wall of described push rod 2.
The bottom of described push rod 2 is screwed onto on push rod base 1 joint pin 11 and by the riveted mode push rod base 1 joint pin 11 is fixed together with push rod 2 bottoms.
Fit of the present utility model:
1, push rod 2 lower external thread 21 is screwed onto the internal thread hole 12 of push rod base 1 joint pin 11;
2, on push rod base 1 joint pin 11 outer circle walls, relatively place, push rod 2 bottoms impacts a riveted point 13.
Emphasis of the present utility model just is: by riveted way push rod base and push rod are fixed together.
The above, it only is the utility model preferred embodiment, the fixed form of push rod base and push rod can have multiple, so can not limit the scope that the utility model is implemented with this, the i.e. equivalence of doing according to the utility model claim and description changes and modifies, and all should still belong in the scope that the utility model patent contains.
Claims (2)
1. the improvement structure of vacuum booster output push rod, it is characterized in that: it is made up of push rod base and push rod; The central authorities of described push rod base extend upward a joint pin, offer an internal thread hole on this joint pin top; Have outside thread on the lower circumference wall of described push rod, the bottom of described push rod is screwed onto on the push rod base joint pin and is fixed together.
2. the improvement structure of vacuum booster output push rod according to claim 1, it is characterized in that: the bottom of described push rod is fixed together by riveted mode and push rod base joint pin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201825963U CN202071826U (en) | 2011-06-01 | 2011-06-01 | Improved structure of output ejector pin of vacuum booster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201825963U CN202071826U (en) | 2011-06-01 | 2011-06-01 | Improved structure of output ejector pin of vacuum booster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202071826U true CN202071826U (en) | 2011-12-14 |
Family
ID=45109934
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201825963U Expired - Lifetime CN202071826U (en) | 2011-06-01 | 2011-06-01 | Improved structure of output ejector pin of vacuum booster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202071826U (en) |
-
2011
- 2011-06-01 CN CN2011201825963U patent/CN202071826U/en not_active Expired - Lifetime
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202125504U (en) | Anti-loosening connecting fastener | |
| CN203186106U (en) | Clutch master cylinder installation structure | |
| CN202071826U (en) | Improved structure of output ejector pin of vacuum booster | |
| CN201326630Y (en) | Unloosening bolt | |
| CN201433999Y (en) | Rivet turning nut with locking performance | |
| CN202463550U (en) | Fixed connection structure of radiator fan and radiator of automobile | |
| CN203302664U (en) | Metal piece regulating leg of cabinet | |
| CN202040189U (en) | Lock nut | |
| CN206190707U (en) | Socket cap connecting screw | |
| CN201952156U (en) | Front-clamping prestressing hydraulic jack | |
| CN201363387Y (en) | Simple type valve system structure of oil damper | |
| KR20080097118A (en) | Combining structure of piston and push rod for clutch master cylinder | |
| CN208498302U (en) | A kind of rivet pressing structure of automobile seat electric Height-adjusting device | |
| CN207761753U (en) | A kind of integration type oil-gas separator | |
| CN205824590U (en) | Thin-walled bracing means | |
| CN202756603U (en) | Plug-in type piston for engineering machinery | |
| CN203962188U (en) | Self-regulating engine piston mechanism | |
| CN204512133U (en) | A kind of Novel patch welded nut on pcb board | |
| CN201866374U (en) | Valve cap for valve body | |
| CN202662886U (en) | Connector for overturned riveting assembly | |
| CN201606382U (en) | Convex bolt | |
| CN202756604U (en) | Piston for engineering machinery | |
| CN216200429U (en) | Structure for fastening piston body and piston rod by multiple bolts | |
| CN203641210U (en) | Double-headed nail | |
| CN202022199U (en) | Steel ball-connected piston assembly for automobile brake master cylinder |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20111214 |