CN203835511U - Variable air pressure type silencer provided with fastening device - Google Patents
Variable air pressure type silencer provided with fastening device Download PDFInfo
- Publication number
- CN203835511U CN203835511U CN201420236265.7U CN201420236265U CN203835511U CN 203835511 U CN203835511 U CN 203835511U CN 201420236265 U CN201420236265 U CN 201420236265U CN 203835511 U CN203835511 U CN 203835511U
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- air pressure
- ring
- fixed
- silencer
- securing means
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Abstract
The utility model discloses a variable air pressure type silencer provided with a fastening device and belongs to the technical field of silencers of loaders. The silencer comprises a silencer shell body, a silencing pipe installed in the silencer shell body and an air inlet pipe extending into the silencer shell body, wherein the silencing pipe and the air inlet pipe are communicated through an expansion area, an air valve directly communicated with the silencing pipe is arranged on the cylindrical surface of the air inlet pipe, an upper loop and a lower loop are arranged on the outer surface of the silencer shell body, and a base provided with an installation hole is fixed on the lower loop. The silencer has the advantages that due to the arrangement of the air valve, the silencer is prevented from being damaged due to overhigh interior air pressure, the service life of the silencer is prolonged, and the size of the silencer can be reduced so that installation can be facilitated; the upper loop and the lower loop of the fastening device play a role in fastening after being tightened through bolts, assembly, disassembly and maintenance are facilitated, the problem of inconvenient assembly, disassembly and maintenance of a traditional silencer fixing method is solved, and the fastening device is convenient to replace when local damage occurs.
Description
Technical field
The utility model relates to a kind of loader baffler, relates in particular to a kind of variable air pressure baffler that carries securing means.
Background technique
Traditional loader baffler air pressure inside is unadjustable, and when engine speed is higher, baffler air pressure inside is higher, easily damages; Baffler fastening means is that it is directly welded on support, brings many difficulty to handling maintenance, and if break down, be difficult for changing.
Summary of the invention
The purpose of this utility model is to provide a kind of simple in structure, variable air pressure baffler that carries securing means of being convenient to handling, maintenance, changing.
The purpose of this utility model is achieved in that a kind of variable air pressure baffler that carries securing means, comprises muffler shell, and the right-hand member of muffler shell has inlet hole, left end is connected with outlet pipe; The extended area of the hush pipe being communicated with outlet pipe, the suction tude being communicated with inlet hole and connection hush pipe and suction tude is installed in described muffler shell inside;
On described suction tude cylndrical surface, be provided with the air valve being directly communicated with described hush pipe; Described air valve comprises that being arranged symmetrically with bearing and one side of being fixed in suction tude is hinged on the air valve cover plate on bearing; On described bearing, spring is installed, is fixedly connected with the reply baffle plate that air valve cover plate is pressed to suction tude cylndrical surface between two springs, described spring is preset with one and will replys baffle plate and press to the elastic force of air valve cover plate;
On described muffler shell external surface, be provided with and embrace ring and lower an armful ring, described upper armful encircle and lower armful encircle two ends and interconnect, be fixed on muffler shell; On lower armful of described ring, be fixed with the base that has mounting hole.
It is further: described extended area is comprised of two parallel-plates that are radially fixed in muffler shell, and the parallel-plate on the right, extended area is provided with perforate; Described suction tude left end is connected into extended area, right-hand member is connected with inlet hole; Described hush pipe left end through extended area be connected with outlet pipe, inlet hole on the right of hush pipe is communicated with the perforate on extended area.
Described hush pipe is provided with two, is arranged symmetrically with up and down.
On described bearing, be fixed with axle, described spring is on axle, and spring one end is fixed on bearing, the other end is fixedly connected with reply baffle plate.
Described air valve cover plate both sides are provided with sealing baffle, and sealing baffle is fixed in suction tude.
Described upper armful ring is connected by pin with lower armful of ring one end, and the other end is bolted to connection.
Described upper armful ring and lower armful encircle on the bolt of one end and are wound with fastening spring.
On described base, be fixed with and the lower armful of support that ring is fixing, described support has two, is arranged symmetrically with.
Described lower armful of ring and support welding are fixed.
Described support and base are welded and fixed.
Air valve is welded in baffler suction tude, and when suction tude internal air pressure is low, under the elastic force effect of gravity and spring, air valve is closed, and air-flow enters in extended area by suction tude, then enters hush pipe; When suction tude internal air pressure is high, air valve is opened, and an air-flow part enters extended area by suction tude, and a part directly enters hush pipe by air valve.
The utility model novel structure, the design of air valve can prevent that baffler from damaging because air pressure inside is too high, has extended the working life of baffler, and can dwindle the volume of baffler, is convenient to install; Upper and lower armful of ring of securing means plays fastening effect by bolt tightening, is easy to handling maintenance, solved the handling inconvenient maintenance that conventional muffler means of fixation is brought, if local damage occurs securing means, is also convenient to change.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is left view in Fig. 1;
Fig. 3 is air valve structure schematic diagram.
In figure: 1, outlet pipe; 2, extended area; 21, parallel-plate; 3, hush pipe; 4, air valve; 41, bearing; 42, air valve cover plate; 43, spring; 44, reply baffle plate; 45, axle; 46, sealing baffle; 5, suction tude; 6, the upper ring of embracing; 7, lower armful of ring; 8, support; 9, base; 10, muffler shell; 11, inlet hole.
Embodiment
Be below a specific embodiment of the present utility model, now by reference to the accompanying drawings the utility model be described further.
As depicted in figs. 1 and 2, a kind of variable air pressure baffler that carries securing means, the right-hand member of muffler shell 10 has inlet hole 11, left end is connected with outlet pipe 1, and muffler shell 10 inside are provided with extended area 2 and axial arranged hush pipe 3, suction tude 5; Extended area 2 is comprised of two parallel-plates 21 that are radially fixed in muffler shell 10, the parallel-plate 21 on 2 the right, extended area is provided with perforate, suction tude 5 left ends are connected into extended area 2, right-hand member is connected with inlet hole 11, hush pipe 3 left ends through extended area 2 be connected with outlet pipe 1, the inlet hole on hush pipe 3 the right is communicated with the perforate on extended area 2, gas in suction tude 5 is through behind extended area 2, and the perforate from extended area 2 enters hush pipe 3; On suction tude 5 cylndrical surface, be provided with the air valve 4 being directly communicated with hush pipe 3; Upper armful of ring 6 and lower armful of ring 7 two ends interconnect, are fixed on muffler shell 10, the upper ring 6 of embracing is connected by pin with lower armful of ring 7 one end, the other end be bolted to connection and bolt on be wound with fastening spring, lower armful of ring 7 is welded and fixed with support 8 upper ends, support 8 is comprised of the many groups of thin plates that are arranged symmetrically with, support 8 lower ends and base 9 are welded and fixed, and on base 9, have mounting hole;
As shown in Figure 3, air valve 4 comprises bearing 41, air valve cover plate 42, spring 43 and replys baffle plate 44; Bearing 41 has two, be arranged symmetrically with and be fixed in suction tude 5, air valve cover plate 42 tops are hinged between two bearings 41, bearing 41 inner sides are fixed with axle 45 relatively, spring 43 is on axle 45, spring 43 one end are fixed on bearing 41, the other end is fixedly connected with reply baffle plate 44, reply baffle plate 44 and be pressed on air valve cover plate 42 upper surfaces, air valve cover plate 42 is abutted against on the cylndrical surface of suction tude 5, spring 43 is preset with one and will replys baffle plate 44 and press to the elastic force of air valve cover plate 42, on air valve cover plate 42 both sides, be provided with sealing baffle 46, sealing baffle 46 is fixed in suction tude 5
Air valve 4 is welded in suction tude 5, and when suction tude 5 internal air pressures are when low, under the elastic force effect of gravity and spring 43, air valve 4 is closed, and air-flow enters in extended area 2 by suction tude 5, then enters hush pipe 3 by the perforate on the parallel-plate 21 on 2 the right, extended area; When suction tude 5 internal air pressures are when high, air valve 4 is backed down by air pressure, an air-flow part enters extended area 2 by suction tude 5, a part directly enters hush pipe 3 by air valve 4, air valve 4 can prevent that baffler from damaging because air pressure inside is too high, extended the working life of baffler, and can dwindle the volume of baffler, be convenient to install.
Claims (10)
1. a variable air pressure baffler that carries securing means, comprises muffler shell (10), and the right-hand member of muffler shell (10) has inlet hole (11), left end is connected with outlet pipe (1); The extended area (2) of the hush pipe (3) being communicated with outlet pipe (1), the suction tude (5) being communicated with inlet hole (11) and connection hush pipe (3) and suction tude (5) is installed in described muffler shell (10) inside;
It is characterized in that:
On described suction tude (5) cylndrical surface, be provided with the air valve (4) being directly communicated with described hush pipe (3); Described air valve (4) comprises that being arranged symmetrically with bearing (41) and one side of being fixed in suction tude (5) is hinged on the air valve cover plate (42) on bearing (41); Spring (43) is installed on described bearing (41), between two springs (43), be fixedly connected with the reply baffle plate (44) that air valve cover plate (42) is pressed to suction tude (5) cylndrical surface, described spring (43) is preset with one will reply the elastic force that baffle plate (44) presses to air valve cover plate (42);
On described muffler shell (10) outer surface, be provided with and embrace ring (6) and a lower armful of ring (7), described upper armful encircle (6) and lower armful of ring (7) two ends interconnect, are fixed on muffler shell (10); On described lower armful of ring (7), be fixed with the base (9) that has mounting hole.
2. a kind of variable air pressure baffler that carries securing means according to claim 1, it is characterized in that: described extended area (2) are comprised of two parallel-plates (21) that are radially fixed in muffler shell (10), the parallel-plate (21) on extended area (2) the right is provided with perforate; Described suction tude (5) left end is connected into extended area (2), right-hand member is connected with inlet hole (11); Described hush pipe (3) left end through extended area (2) be connected with outlet pipe (1), inlet hole on the right of hush pipe (3) is communicated with the perforate on extended area (2).
3. a kind of variable air pressure baffler that carries securing means according to claim 2, is characterized in that: described hush pipe (3) is provided with two, is arranged symmetrically with up and down.
4. a kind of variable air pressure baffler that carries securing means according to claim 1, it is characterized in that: on described bearing (41), be fixed with axle (45), described spring (43) is on axle (45), and spring (43) one end is fixed on bearing (41), the other end is fixedly connected with reply baffle plate (44).
5. a kind of variable air pressure baffler that carries securing means according to claim 1, is characterized in that: described air valve cover plate (42) both sides are provided with sealing baffle (46), and sealing baffle (46) is fixed in suction tude (5).
6. a kind of variable air pressure baffler that carries securing means according to claim 1, is characterized in that: described upper armful ring (6) is connected by pin with lower armful of ring (7) one end, and the other end is bolted to connection.
7. a kind of variable air pressure baffler that carries securing means according to claim 6, is characterized in that: on the bolt of described upper armful ring (6) and lower armful of ring (7) one end, be wound with fastening spring.
8. a kind of variable air pressure baffler that carries securing means according to claim 1, is characterized in that: on described base (9), be fixed with the support (8) fixing with lower armful of ring (7), described support (8) has two, is arranged symmetrically with.
9. a kind of variable air pressure baffler that carries securing means according to claim 8, is characterized in that: described lower armful of ring (7) is welded and fixed with support (8).
10. a kind of variable air pressure baffler that carries securing means according to claim 8, is characterized in that: described support (8) is welded and fixed with base (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236265.7U CN203835511U (en) | 2014-05-09 | 2014-05-09 | Variable air pressure type silencer provided with fastening device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420236265.7U CN203835511U (en) | 2014-05-09 | 2014-05-09 | Variable air pressure type silencer provided with fastening device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203835511U true CN203835511U (en) | 2014-09-17 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420236265.7U Active CN203835511U (en) | 2014-05-09 | 2014-05-09 | Variable air pressure type silencer provided with fastening device |
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| Country | Link |
|---|---|
| CN (1) | CN203835511U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593599A (en) * | 2015-10-14 | 2017-04-26 | 友信工业株式会社 | Exhaust valve for muffler and muffler including the same |
-
2014
- 2014-05-09 CN CN201420236265.7U patent/CN203835511U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106593599A (en) * | 2015-10-14 | 2017-04-26 | 友信工业株式会社 | Exhaust valve for muffler and muffler including the same |
| CN106593599B (en) * | 2015-10-14 | 2019-04-16 | 友信工业株式会社 | Exhaust valve for muffler and the muffler including the exhaust valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |