CN206797380U - A kind of brake chamber assembly - Google Patents
A kind of brake chamber assembly Download PDFInfo
- Publication number
- CN206797380U CN206797380U CN201720555688.9U CN201720555688U CN206797380U CN 206797380 U CN206797380 U CN 206797380U CN 201720555688 U CN201720555688 U CN 201720555688U CN 206797380 U CN206797380 U CN 206797380U
- Authority
- CN
- China
- Prior art keywords
- push rod
- diaphragm
- spring
- positive stop
- lug boss
- 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
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Abstract
The utility model discloses a kind of brake chamber assembly, including lid, housing, diaphragm, spring, push rod and push rod disk, the push rod card is to the side of second cavity formed with the first positive stop lug boss, the housing is towards the side of second cavity formed with the second positive stop lug boss, one end of the spring is fixed by first positive stop lug boss, and the other end of the spring is fixed by second positive stop lug boss；The circumferential of the push rod disk extends to the diaphragm direction and abutted with the diaphragm.Compared with prior art, the utility model is by setting the first positive stop lug boss and the second positive stop lug boss, the both ends of spring are positioned and fixed, the play of spring can be entirely limited, improve the stability of spring, the circumferential of the push rod disk extends to the diaphragm direction and contradicted with the diaphragm, push rod disk and diaphragm good fit, the same stabilization for improving air chamber power output.
Description
Technical field
A kind of brake structure is the utility model is related to, particularly a kind of brake chamber assembly.
Background technology
Brake chamber is also referred to as wheel cylinder, its act on be by the pressure transition of compressed air be make brake cam rotate machinery
Power, realize braking maneuver.
Brake chamber common in the art is diaphragm brake chamber, such as Fig. 1 diaphragm type brakings of the prior art
Shown in air chamber partial sectional view, include spring 01, housing 02, lid 03, diaphragm 04, push rod 05 and push rod disk 06, push rod disk
06 is fixed on the side of push rod 05, and housing 02 and lid 03 are fixed to be fixed in accommodating chamber formed with accommodating chamber, diaphragm 04, and one
Side is connected with brake valve escape pipe, and opposite side abuts push rod disk 06, and the opposite side of push rod 05 connects workpiece (such as adjustment arm),
Spring 01 is placed on push rod 05, and during work, the compressed air that service brake air chamber is passed through is acted on diaphragm 04, the stress of diaphragm 04
Deform, drive push rod 05 to move, push rod 05 is connected with adjustment arm and then implements braking, problems with so be present：(1) it is existing
The spring 01 for having brake chamber is directly placed on push rod 02 and placed, and both ends are rocked, easily caused without fixation, the both ends of spring 01
Power output is unstable, influences braking effect；(2) between existing between the circumference of the push rod disk 06 of existing brake chamber and diaphragm 04
Gap, when brake chamber works, diaphragm is equally understood surrounding and rocked to be superimposed together with the rocking of spring, and increases the unstable shadow of thrust
Ring.
Reference picture 2 and the side view that Fig. 3, Fig. 2 are diaphragm brake chamber in the prior art, Fig. 3 are film in the prior art
The front view of type brake pneumatic chamber, existing brake chamber lid 03 and housing 02 be urgent be by lid 03 and housing 02 to after good,
Fixed using the additional bolt 08 of clip 07, because single clip 07 is fixed, cause air chamber external diameter big, it is necessary to which bigger installation is empty
Between；Bolt 08 easily loosens, and causes brake chamber gas leakage.
Utility model content
The purpose of this utility model is to provide a kind of brake chamber assembly, to solve technical problem of the prior art, carries
The stability of high spring, while improve the stability of brake chamber power output.
The utility model provides a kind of brake chamber assembly, including lid, housing, diaphragm, spring, push rod and push rod
Disk, wherein：
The lid connects to form receiving cavity with the housing seal；
The diaphragm is located in the receiving cavity and surrounding is fixed, and the first chamber is formed between the diaphragm and lid
Body, first cavity are connected with brake valve escape pipe, and the second cavity, second cavity are formed between the diaphragm and housing
Communicated with air；
The push rod disk is located in second cavity, and side and the diaphragm of the push rod disk contradict, the push rod
The opposite side of disk is fixedly connected with the push rod, and the other end of the push rod extends to be used for and outside work department outside the housing
Part connects；
The spring housing is on the push rod；
The push rod card is to the side of second cavity formed with the first positive stop lug boss, and the housing is towards described
The side of two cavitys is fixed formed with the second positive stop lug boss, one end of the spring by first positive stop lug boss, the spring
The other end fixed by second positive stop lug boss；
The circumferential of the push rod disk extends to the diaphragm direction and abutted with the diaphragm.
Brake chamber assembly as described above, these, it is preferred to, first positive stop lug boss and/or the second limit convex
Platform is circular step, is connected on the inside of the end face of the spring.
Brake chamber assembly as described above, these, it is preferred to, the lid and the housing are fixed by riveting.
Brake chamber assembly as described above, these, it is preferred to, first positive stop lug boss, second limit convex
The axial line of platform, the push rod disk and the push rod overlaps.
Compared with prior art, the utility model is by setting the first positive stop lug boss and the second positive stop lug boss, to spring
Both ends are positioned and fixed, and can be entirely limited the play of spring, improve the stability of spring, the circumference of the push rod disk
Extend to the diaphragm direction and contradicted with the diaphragm, push rod disk and diaphragm good fit, same improves air chamber output
The stabilization of power.
Brief description of the drawings
Fig. 1 is diaphragm brake chamber partial sectional view of the prior art；
Fig. 2 is the side view of diaphragm brake chamber in the prior art；
Fig. 3 is the front view of diaphragm brake chamber in the prior art；
Fig. 4 is structural representation of the present utility model；
Fig. 5 is sectional view of the present utility model.
Description of reference numerals：1- lids, 2- housings, 3- diaphragms, 4- springs, 5- push rods, 6- push rod disks, the cavitys of 7- first,
The cavitys of 8- second, 9- brake valve escape pipes, the positive stop lug boss of 10- first, the positive stop lug boss of 11- second；
01- springs, 02- housings, 03- lids, 04- diaphragms, 05- push rods, 06- push rod disks, 07- clips, 08- bolts.
Embodiment
Embodiment of the present utility model is described below in detail, the example of the embodiment is shown in the drawings, wherein from beginning
Same or similar element is represented to same or similar label eventually or there is the element of same or like function.Below by ginseng
The embodiment for examining accompanying drawing description is exemplary, is only used for explaining the utility model, and can not be construed to of the present utility model
Limitation.
Embodiment of the present utility model：As shown in Figure 4 and Figure 5, the utility model provides a kind of brake chamber assembly, including
Lid 1, housing 2, diaphragm 3, spring 4, push rod 5 and push rod disk 6, wherein：
The lid 1 and the housing 2 are tightly connected and form receiving cavity, diaphragm 3, spring 4, push rod 5 and push rod disk 6
It is respectively positioned in this receiving cavity.
The diaphragm 3 is located in the receiving cavity and surrounding is fixed, and in the present embodiment, the diaphragm 3 is folder cloth
Layer rubber diaphragm, the edge of diaphragm 3 is clamped between the flange of the housing 2 and lid 1.Shape between the diaphragm 3 and lid 1
Into the first cavity 7, first cavity 7 is connected with brake valve escape pipe 9, and the second cavity is formed between the diaphragm 3 and housing 2
8, second cavity 8 communicates with air.
The push rod disk 6 is located in second cavity 8, and the side of the push rod disk 6 contradicts with the diaphragm 3, described
The opposite side of push rod disk 6 is fixedly connected with the push rod 5, the other end of the push rod 5 extend be used for outside the housing 2 with it is outer
Portion's workpiece (such as adjustment arm) connection.
The spring 4 is sheathed on the push rod 5, and between the housing 2 and the push rod disk 6, the spring 4 is given
Give 6 one active forces towards the return of diaphragm 3 of push rod disk.
The push rod disk 6 towards the side of second cavity 8 formed with the first positive stop lug boss 10, the housing 2 towards
The side of second cavity 8 is formed with the second positive stop lug boss 11, in the present embodiment, the first positive stop lug boss 10 and the second limit convex
Platform 11 is ring-type, and offers the groove penetrated for push rod 5.
One end of the spring 4 is fixed by first positive stop lug boss 10, and the other end of the spring 4 is limited by described second
Position boss 11 is fixed, and the effect of the first positive stop lug boss 10 and the second positive stop lug boss 11 is that spring 4 is positioned and fixed, can be with
The play of spring 4 is entirely limited, improves the stability of spring 4.
The push rod disk 6 is disc structure, the push rod disk 6 it is circumferential extend to the direction of diaphragm 3 and with it is described
Diaphragm 3 abuts, there is provided 3 one active forces towards the inwall of lid 1 of diaphragm so that the circumference of diaphragm 3 is closely attached on the lid
The inwall of body 1, gap is not present between the circumference and diaphragm 3 of such push rod disk 6, when brake chamber works, diaphragm 3 will not surrounding
Rock, influence the stabilization of brake force.
Operation principle of the present utility model is：The inflation of first cavity 7 makes diaphragm 3 promote supporting disk movement until limit on the right-right-hand limit position
Put, in the process, spring 4 accumulates elastic deformation, and utilizes power caused by elastic deformation will when the first cavity 7 stops inflating
Supporting disk is pushed into limit on the left position.
Spring 4 is fixed in order to preferably position, prevents its play, the first positive stop lug boss 10 and the second positive stop lug boss 11
Can be by the way of spacing to progress on the outside of the end face of spring 4 or spacing using being carried out on the inside of the end face to spring 4
Mode, in the present embodiment, the positive stop lug boss 11 of the first positive stop lug boss 10 and/or second is circular step, can be connected in institute
On the inside of the end face for stating spring 4.
As the optimal technical scheme of the present embodiment, the lid 1 and the housing 2 are fixed by riveting, it is not necessary to again
With locked clip device, riveting technique has good anti-loosing effect, and directly eliminates the bolt of outer end, formed objects diaphragm 3
Air chamber, external diameter reduces obvious, can effectively solve the space Layout Problem of the smaller vehicle of wheelspan.
In order to keep the active force of push rod 5 and spring 4 stable, the thrust of diaphragm 3 and the reply of spring 4 are at utmost utilized
Power, first positive stop lug boss 10, second positive stop lug boss 11, the axial line of the push rod disk 6 and the push rod 5 overlap.
Construction, feature and action effect of the present utility model is described in detail according to the embodiment shown in schema above, with
Upper described is only preferred embodiment of the present utility model, but the utility model is to limit practical range shown in drawing, it is every according to
According to the made change of conception of the present utility model, or the equivalent embodiment of equivalent variations is revised as, still without departing from specification and figure
, all should be in the scope of protection of the utility model when showing covered spirit.
Claims (4)
1. a kind of brake chamber assembly, including lid (1), housing (2), diaphragm (3), spring (4), push rod (5) and push rod disk
(6), wherein：
The lid (1) and the housing (2), which are tightly connected, forms receiving cavity；
The diaphragm (3) is located in the receiving cavity and surrounding is fixed, and is formed between the diaphragm (3) and lid (1)
First cavity (7), first cavity (7) connect with brake valve escape pipe (9), are formed between the diaphragm (3) and housing (2)
Second cavity (8), second cavity (8) communicate with air；
The push rod disk (6) is located in second cavity (8), and side and the diaphragm (3) of the push rod disk (6) contradict,
The opposite side of the push rod disk (6) is fixedly connected with the push rod (5), and the other end of the push rod (5) extends the housing
(2) it is used to be connected with outside workpiece outside；
The spring (4) is sheathed on the push rod (5)；
It is characterized in that：
The push rod disk (6) is towards the side of second cavity (8) formed with the first positive stop lug boss (10), the housing (2)
Limited towards the side of second cavity (8) formed with the second positive stop lug boss (11), one end of the spring (4) by described first
Position boss (10) is fixed, and the other end of the spring (4) is fixed by second positive stop lug boss (11)；
The circumferential of the push rod disk (6) extends to the diaphragm (3) direction and abutted with the diaphragm (3).
2. brake chamber assembly according to claim 1, it is characterised in that：First positive stop lug boss (10) and/or
Two positive stop lug boss (11) are circular step, are connected on the inside of the end face of the spring (4).
3. brake chamber assembly according to claim 1, it is characterised in that：The lid (1) and the housing (2) pass through
Riveting is fixed.
4. brake chamber assembly according to claim 1, it is characterised in that：First positive stop lug boss (10), described
The axial line of two positive stop lug boss (11), the push rod disk (6) and the push rod (5) overlaps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555688.9U CN206797380U (en) | 2017-05-18 | 2017-05-18 | A kind of brake chamber assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720555688.9U CN206797380U (en) | 2017-05-18 | 2017-05-18 | A kind of brake chamber assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206797380U true CN206797380U (en) | 2017-12-26 |
Family
ID=60740147
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720555688.9U Expired - Fee Related CN206797380U (en) | 2017-05-18 | 2017-05-18 | A kind of brake chamber assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206797380U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830046A (en) * | 2021-10-29 | 2021-12-24 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
-
2017
- 2017-05-18 CN CN201720555688.9U patent/CN206797380U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113830046A (en) * | 2021-10-29 | 2021-12-24 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
| CN113830046B (en) * | 2021-10-29 | 2022-06-21 | 福州大学 | Efficient braking system based on heavy-duty truck and working method thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20171226 Termination date: 20200518 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |