CN203856584U - High-stability exhaust brake valve - Google Patents
High-stability exhaust brake valve Download PDFInfo
- Publication number
- CN203856584U CN203856584U CN201420149846.7U CN201420149846U CN203856584U CN 203856584 U CN203856584 U CN 203856584U CN 201420149846 U CN201420149846 U CN 201420149846U CN 203856584 U CN203856584 U CN 203856584U
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- valve
- arc plate
- supporting base
- cylinder
- high stability
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Abstract
The utility model relates to a high-stability exhaust brake valve, which solves the problems of poor stability and the like of the existing exhaust brake valve. The high-stability exhaust brake valve comprises a cylindrical valve body, wherein a valve sheet is arranged in the valve body; a valve rod which penetrates out of the valve body is fixed to the valve sheet; a support seat is arranged on the valve body; an air cylinder is arranged on the support seat; a piston rod of the air cylinder is connected with the valve rod through a transmission mechanism; the valve rod is sleeved by a reset spring; a groove is formed in the support seat; one end of the air cylinder is connected with the support seat; a first arc-shaped plate and a second arc-shaped plate are arranged on the support seat; the first arc-shaped plate and the second arc-shaped plate are enclosed to form a semicircular body; a locking hole is formed in the end part of the first arc-shaped plate; an adjustment hole corresponding to the locking hole is formed in the second arc-shaped hole; the locking hole is fixedly connected with the interior of the adjustment hole through a locking bolt. The high-stability exhaust brake valve has the advantages that the structure is simple, the strength is high, the air cylinder is connected firmly, the stability is high, shaking is difficult to produce, the brake effect is good, and the high-stability exhaust brake valve is applicable to the installation of air cylinders of different sizes.
Description
Technical field
The utility model belongs to auto parts and components equipment technical field, especially relates to a kind of high stability exhaust braking valve.
Background technique
Exhaust braking valve is an auxiliary brake, is the necessary complement of running break.Thereby exhaust braking valve is made an air compressor by motor and is used and produce braking moment to automobile generation decelerating effect.Generally be arranged in outlet pipe, in the time that needs slow down, throttle down reaches braking effect to block exhaust passage.It mainly uses the automobile travelling on the automobile travelling at mine or mountain highway or the avenue of being everlasting traffic conditions complexity.Its effect is not use or using less under the condition of Service Brake, car speed reduced or keeps stable, but can not be by vehicle emergency stop.Exhaust braking valve is mainly used in diesel-oil vehicle, because engine compression ratio is larger, and as air compressor, its deceleration successful.The power of existing exhaust braking valve mostly is air cylinder driven, thus cylinder be connected to exhaust braking valve side drive valve opening and closing, but this this structure exists: complex structure, cylinder connects firm not, the problems such as cylinder easily produces and rocks, poor for applicability, and cylinder dimensions narrow limitation is large.
The problem existing in order to solve prior art, people have carried out long-term exploration, have proposed solution miscellaneous.For example, Chinese patent literature discloses a kind of exhaust braking valve [application number: 201220515018.1], comprise tubular valve body, in valve body, be provided with the valve block being rotationally connected with valve body, on valve block, be fixed with the valve rod that passes valve body, on described valve body, be fixed with supporting base, it is characterized in that, described supporting base is provided with cylinder, one end and the supporting base of cylinder are hinged, the piston rod of cylinder is connected with valve rod by curved arm rod mechanism, and the both sides of described supporting base are respectively equipped with the anti-edge that can limit cylinder amplitude of fluctuation.
The cylinder that such scheme has solved existing exhaust braking valve to a certain extent easily produces the problem of swing, but this scheme still exists: structural strength is low, and cylinder connects firm not, poor for applicability, the problem that cylinder dimensions narrow limitation is large.
Summary of the invention
The purpose of this utility model is for the problems referred to above, provides a kind of simple and reasonable, be connected firmly, and the high stability exhaust braking valve that difficult generation is rocked.
For achieving the above object, the utility model has adopted following technical proposal: this high stability exhaust braking valve, comprise tubular valve body, in valve body, be provided with the valve block being rotationally connected with valve body, on valve block, be fixed with the valve rod that passes valve body, on described valve body, be provided with supporting base by fixed structure, described supporting base is provided with cylinder, the piston rod of described cylinder is by being connected with valve rod by the circumferential driving mechanism rotating of actuate valve stem, on described valve rod, cover has Returnning spring, it is characterized in that, described supporting base is provided with the groove matching with cylinder outer side surface, described cylinder one end is connected with supporting base, on supporting base, be provided with and lay respectively at groove both sides and the first arc plate being oppositely arranged and the second arc plate, the first described arc plate and the second arc plate all extend to supporting base outside, and the first described arc plate surrounds and forms the semiround body circumferentially contacting with cylinder with the second arc plate, the first described arc plate end is provided with locking aperture, the second described arc plate is provided with the adjustment hole corresponding and elongated with locking aperture, in described locking aperture and adjustment hole, be fixedly linked by lock(ing) bolt.Cylinder in this structure is arranged in groove and by semiround body, cylinder is fixed in groove, thereby the size that adjustment hole and locking aperture can change semiround body in addition adapts to the cylinder of different sizes.
In above-mentioned high stability exhaust braking valve, described groove is caved inward and is formed by supporting base, and described bottom portion of groove has arc shaped surface.
In above-mentioned high stability exhaust braking valve, the second described arc plate end is positioned at the top of the first arc plate end, and the second described arc plate end is upwards bent to form arm-tie.Be convenient to cylinder is held tightly and fixed by lock(ing) bolt.
In above-mentioned high stability exhaust braking valve, described the first arc plate, the second arc plate and supporting base are connected as a single entity structure.
In above-mentioned high stability exhaust braking valve, described fixed structure comprises some mounting holes that are arranged on supporting base, described valve body is provided with some matching holes that match with mounting hole, and described mounting hole is fixedly linked by construction bolt and matching hole.
In above-mentioned high stability exhaust braking valve, described supporting base is provided with some limited posts that are positioned at groove ends and lean with cylinder end.Prevent that cylinder from moving axially along groove.
In above-mentioned high stability exhaust braking valve, described valve block is in the form of annular discs, and described valve block is provided with some circular depression that arrange and formed through extruding by valve block that are circumferentially uniformly distributed.Valve block is played to buffer function, increase the area of contact of valve block and gas, strengthen braking effect.
In above-mentioned high stability exhaust braking valve, described driving mechanism comprises the connecting rod that one end is connected with valve rod, and the other end and the push rod of described connecting rod are hinged, and described push rod and the piston rod of cylinder are connected.
In above-mentioned high stability exhaust braking valve, described Returnning spring one end is arranged on and is plugged in the positioning hole that is arranged on supporting base, and the other end acts on connecting rod.
Compared with prior art, the advantage of this high stability exhaust braking valve is: simple in structure, intensity is high, and cylinder is connected firmly, and stability is strong, and difficult generation is rocked, and can adapt to the installation of different size cylinder, good braking effect.
Brief description of the drawings
The structural representation that Fig. 1 provides for the utility model.
The supporting plate structure schematic diagram that Fig. 2 provides for the utility model.
In figure, valve body 1, valve block 2, circular depression 21, valve rod 3, supporting base 4, groove 41, arc shaped surface 411, the first arc plate 42, locking aperture 421, the second arc plate 43, adjustment hole 431, arm-tie 432, semiround body 44, lock(ing) bolt 45, mounting hole 46, matching hole 47, construction bolt 48, limited post 49, positioning hole 49a, cylinder 5, piston rod 51, driving mechanism 6, connecting rod 61, push rod 62, Returnning spring 7.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in more detail.
As shown in Figure 1-2, this high stability exhaust braking valve, comprise tubular valve body 1, in valve body 1, be provided with the valve block 2 being rotationally connected with valve body 1, on valve block 2, be fixed with the valve rod 3 that passes valve body 1, on described valve body 1, be provided with supporting base 4 by fixed structure, supporting base 4 is provided with cylinder 5, the piston rod 51 of cylinder 5 is by being connected with valve rod 3 by the circumferential driving mechanism 6 rotating of actuate valve stem 3, on valve rod 3, cover has Returnning spring 7, supporting base 4 is provided with the groove 41 matching with cylinder 5 outer side surfaces, cylinder 5 one end are connected with supporting base 4, on supporting base 4, be provided with and lay respectively at groove 41 both sides and the first arc plate 42 being oppositely arranged and the second arc plate 43, the first arc plate 42 and the second arc plate 43 all extend to supporting base 4 outsides, and the first arc plate 42 surrounds and forms the semiround body 44 circumferentially contacting with cylinder 5 with the second arc plate 43, the first arc plate 42 ends are provided with locking aperture 421, the second arc plate 43 is provided with the adjustment hole 431 corresponding and elongated with locking aperture 421, locking aperture 421 is fixedly linked by lock(ing) bolt 45 with adjustment hole 431 is interior, cylinder 5 in this structure is arranged in groove 41 and by semiround body 44, cylinder 5 is fixed in groove 41, thereby the size that adjustment hole 431 and locking aperture 421 can change semiround body 44 in addition adapts to the cylinder 5 of different sizes.
Groove 41 in the present embodiment is caved inward and is formed by supporting base 4, and groove 41 bottoms have arc shaped surface 411.For the ease of cylinder 5 being held tightly and being passed through lock(ing) bolt 45 and fix, the second arc plate 43 ends are positioned at the top of the first arc plate 42 ends, and the second arc plate 43 ends are upwards bent to form arm-tie 432.Preferably, the first arc plate 42, the second arc plate 43 are connected as a single entity structure with supporting base 4.
Further, fixed structure comprises some mounting holes 46 that are arranged on supporting base 4, and valve body 1 is provided with some matching holes 47 that match with mounting hole 46, and mounting hole 46 is fixedly linked by construction bolt 48 and matching hole 47.Supporting base 4 is provided with some limited posts 49 that are positioned at groove 41 ends and lean with cylinder 5 ends, prevents that cylinder 5 from moving axially along groove 41.The valve block 2 is here in the form of annular discs, and valve block 2 be provided with some be circumferentially uniformly distributed arrange and by valve block 2 through the circular depression 21 that form of extruding, valve block 2 is played to buffer function, increase the area of contact of valve block 2 and gas, enhancing braking effect.Driving mechanism 6 comprises the connecting rod 61 that one end is connected with valve rod 3, and the other end of connecting rod 61 and push rod 62 are hinged, and push rod 62 is connected with the piston rod 51 of cylinder 5.Returnning spring 7 one end are arranged on and are plugged in the positioning hole 49a that is arranged on supporting base 4, and the other end acts on connecting rod 61.
Specific embodiment described herein is only to the explanation for example of the utility model spirit.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.
Although more used the terms such as valve body 1, valve block 2, circular depression 21, valve rod 3, supporting base 4, groove 41, arc shaped surface 411, the first arc plate 42, locking aperture 421, the second arc plate 43, adjustment hole 431, arm-tie 432, semiround body 44, lock(ing) bolt 45, mounting hole 46, matching hole 47, construction bolt 48, limited post 49, positioning hole 49a, cylinder 5, piston rod 51, driving mechanism 6, connecting rod 61, push rod 62, Returnning spring 7 herein, do not got rid of the possibility that uses other term.Use these terms to be only used to describe more easily and explain essence of the present utility model; They are construed to any additional restriction is all contrary with the utility model spirit.
Claims (9)
1. a high stability exhaust braking valve, comprise tubular valve body (1), in valve body (1), be provided with the valve block (2) being rotationally connected with valve body (1), on valve block (2), be fixed with the valve rod (3) that passes valve body (1), described valve body (1) is upper is provided with supporting base (4) by fixed structure, described supporting base (4) is provided with cylinder (5), the piston rod (51) of described cylinder (5) is by being connected with valve rod (3) by the circumferential driving mechanism (6) rotating of actuate valve stem (3), the upper cover of described valve rod (3) has Returnning spring (7), it is characterized in that, described supporting base (4) is provided with the groove (41) matching with cylinder (5) outer side surface, described cylinder (5) one end is connected with supporting base (4), on supporting base (4), be provided with the first arc plate (42) and the second arc plate (43) that lay respectively at groove (41) both sides and be oppositely arranged, described the first arc plate (42) all extends to supporting base (4) outside with the second arc plate (43), and described the first arc plate (42) surrounds and forms the semiround body (44) circumferentially contacting with cylinder (5) with the second arc plate (43), described the first arc plate (42) end is provided with locking aperture (421), described the second arc plate (43) is provided with the adjustment hole (431) corresponding and elongated with locking aperture (421), described locking aperture (421) is fixedly linked by lock(ing) bolt (45) with adjustment hole (431) is interior.
2. high stability exhaust braking valve according to claim 1, is characterized in that, described groove (41) is caved inward and formed by supporting base (4), and described groove (41) bottom has arc shaped surface (411).
3. high stability exhaust braking valve according to claim 2, it is characterized in that, described the second arc plate (43) end is positioned at the top of the first arc plate (42) end, and described the second arc plate (43) end is upwards bent to form arm-tie (432).
4. high stability exhaust braking valve according to claim 3, is characterized in that, described the first arc plate (42), the second arc plate (43) are connected as a single entity structure with supporting base (4).
5. according to the high stability exhaust braking valve described in claim 1 or 2 or 3 or 4, it is characterized in that, described fixed structure comprises some mounting holes (46) that are arranged on supporting base (4), described valve body (1) is provided with some matching holes (47) that match with mounting hole (46), and described mounting hole (46) is fixedly linked by construction bolt (48) and matching hole (47).
6. high stability exhaust braking valve according to claim 5, is characterized in that, described supporting base (4) is provided with some limited posts (49) that are positioned at groove (41) end and lean with cylinder (5) end.
7. high stability exhaust braking valve according to claim 1, it is characterized in that, described valve block (2) is in the form of annular discs, and described valve block (2) is provided with some circular depression (21) that arrange and formed through extruding by valve block (2) that are circumferentially uniformly distributed.
8. according to the high stability exhaust braking valve described in claim 1 or 2 or 3 or 4, it is characterized in that, described driving mechanism (6) comprises the connecting rod (61) that one end is connected with valve rod (3), the other end and the push rod (62) of described connecting rod (61) are hinged, and described push rod (62) is connected with the piston rod (51) of cylinder (5).
9. high stability exhaust braking valve according to claim 8, is characterized in that, described Returnning spring (7) one end is arranged on and is plugged in the positioning hole (49a) that is arranged on supporting base (4), and the other end acts on connecting rod (61).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149846.7U CN203856584U (en) | 2014-03-30 | 2014-03-30 | High-stability exhaust brake valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420149846.7U CN203856584U (en) | 2014-03-30 | 2014-03-30 | High-stability exhaust brake valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203856584U true CN203856584U (en) | 2014-10-01 |
Family
ID=51606441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420149846.7U Expired - Fee Related CN203856584U (en) | 2014-03-30 | 2014-03-30 | High-stability exhaust brake valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203856584U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089449A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Exhaust braking |
-
2014
- 2014-03-30 CN CN201420149846.7U patent/CN203856584U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106089449A (en) * | 2016-07-29 | 2016-11-09 | 中国北方发动机研究所(天津) | Exhaust braking |
| CN106089449B (en) * | 2016-07-29 | 2019-04-05 | 中国北方发动机研究所(天津) | Exhaust braking |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20141001 Termination date: 20150330 |
|
| EXPY | Termination of patent right or utility model |