CN208563049U - A kind of pitch cylinder - Google Patents
A kind of pitch cylinder Download PDFInfo
- Publication number
- CN208563049U CN208563049U CN201820917175.2U CN201820917175U CN208563049U CN 208563049 U CN208563049 U CN 208563049U CN 201820917175 U CN201820917175 U CN 201820917175U CN 208563049 U CN208563049 U CN 208563049U
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- China
- Prior art keywords
- plug
- flange
- nozzle carrier
- bearing bracket
- piston
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Abstract
The utility model discloses a kind of pitch cylinders, including cylinder body, cylinder body one end is connected with drive end bearing bracket, accommodating cavity is equipped in cylinder body, cylinder body is equipped with air inlet, piston and piston rod are equipped in accommodating cavity, drive end bearing bracket has been connected through a screw thread nozzle carrier, nozzle carrier side wall is equipped with liquid asphalt import, nozzle carrier is connected with first flange and second flange, second flange is set to outside nozzle carrier by thread bush, first flange is connect with second flange, and it is protruded into nozzle carrier at the top of first flange, first flange is equipped with through-hole, the first plug is equipped in nozzle carrier, second plug and hanging platform, second plug is equipped with installation cavity, first plug is fixedly connected with the second plug, the first plug other end is matched with through-hole, hanging platform is movably set in installation cavity, piston rod is fixedly connected with hanging platform, second plug is equipped with stop edge, first plug , between the second plug and nozzle carrier be formed with flow clearance.The utility model has the characteristics that simple and reasonable, process and assemble is easy.
Description
Technical field
The utility model relates to pneumatic element technical field, in particular to a kind of pitch cylinder.
Background technique
The pavement constructions such as pitch sprinkling car, synchronous chip sealer maintenance of equipment construction sprinkling emulsified asphalt, rubber asphalt etc., all
Equipped with Asphalt-distributing spray head device.Existing Asphalt-distributing spray head device largely uses spray head cylinder to realize, spray head cylinder is hot drip
When green transfer pipeline connects, general to be fixed by welding rigid connection, which results in spray head cylinders and heated bitumen transfer pipeline
Between when leaking, dismounting and change is inconvenient, leads to replacement cost height.
Furthermore the sprinkling and closing of pitch are realized in the outlet of pitch by the cooperation sealing of the conical surface, existing mode be
The tailpiece of the piston rod of nozzle cylinder is made convex sealing cone and cooperates with the recessed sealing cone on nozzle carrier to realize opening for asphalt outlet
It opens and closes.The concentricity requirement for the screw thread and the piston rod conical surface that this structure is connected to cylinder block and nozzle carrier is very high, simultaneously
Screw thread and its conical surface on nozzle carrier also have very high concentricity requirement, the especially conical surface of the screw thread in cylinder block and piston rod
Concentricity it is difficult to ensure that, cause the nozzle of each flusher on pitch sprinkling car to have different degrees of pitch leakage.
Summary of the invention
In view of the deficiencies of the prior art and defect, a kind of pitch cylinder is provided, there is simple and reasonable, process and assemble
Easy feature.
To achieve the above object, the utility model provides following technical scheme.
A kind of pitch cylinder, including cylinder body, cylinder body one end are connected with drive end bearing bracket, are equipped with accommodating cavity in cylinder body, on cylinder body
Equipped with the air inlet being connected to accommodating cavity, it is equipped with piston and piston rod in accommodating cavity, piston rod is fixedly connected with the piston, drive end bearing bracket
It is connected through a screw thread nozzle carrier, nozzle carrier side wall is equipped with liquid asphalt import, and nozzle carrier is connected far from one end of drive end bearing bracket
There are first flange and second flange, second flange is set to outside nozzle carrier by thread bush, and first flange passes through screw and the second method
Orchid is fixedly connected, and protrudes into nozzle carrier at the top of first flange, first flange be equipped with axially through through-hole, set in nozzle carrier
There are the first plug, the second plug and hanging platform, the second plug is equipped with installation cavity, and first plug one end is protruded into installation cavity, and with
Second plug is fixedly connected, and the first plug other end is pierced by installation cavity and matches with through-hole, and hanging platform is movably set in installation cavity,
Piston rod is protruded into installation cavity across drive end bearing bracket and is fixedly connected with hanging platform, and the second plug is equipped with the stop edge cooperated with hanging platform,
Flow clearance is each formed between first plug and nozzle carrier, between the second plug and nozzle carrier.
Further, bolt is additionally provided in nozzle carrier, the first plug side wall is equipped with the first mounting hole, the second plug side wall
It is equipped with the second mounting hole, bolt passes through the second mounting hole and protrudes into the first mounting hole to consolidate the first plug and the second plug
Fixed connection.
Further, the first plug be pierced by installation cavity one end it is tapered, the first plug protrudes into through-hole to seal through-hole
It is stifled.
Further, reset spring is equipped between piston and cylinder body.
Further, cylinder body is equipped with the gas outlet being connected to accommodating cavity, and piston is between air inlet and gas outlet.
Further, fast twist-on head is separately installed at air inlet and air outlet.
Further, it is equipped with sealing ring between first flange and nozzle carrier, sealing ring is equipped between drive end bearing bracket and valve body, it is living
It is equipped with sealing ring between stopper rod and drive end bearing bracket, is equipped with sealing ring between piston and accommodating cavity wall.
Further, the end of second flange and the end of drive end bearing bracket are respectively equipped with sealing ring.
The utility model has the following beneficial effects: the cylinder of the utility model, when assembly, first nozzle carrier and drive end bearing bracket are passed through
It is threadedly coupled, then nozzle carrier is made to pass through heated bitumen transfer pipeline, one end that nozzle carrier passes through heated bitumen transfer pipeline passes through screw thread
It is connected with second flange, so that heated bitumen transfer pipeline is between drive end bearing bracket and second flange, it at this time can be by cylinder and heat
It being connected between tar transportation pipeline, process and assemble is easy, and maintenance easy to disassemble, when the assembly is complete, and when cylinder operation, heat
Pitch in tar transportation pipeline enters in nozzle carrier through the liquid asphalt import on nozzle carrier, and it is stifled that first is equipped in nozzle carrier
Head, the second plug and hanging platform, hanging platform are fixedly connected with piston rod, and gas is through in air inlet accommodating cavity, the gas in accommodating cavity is pushed away
Piston moves up, and piston driving piston rod moves up, piston rod drive hanging platform move up, in hanging platform moving process with
The stop edge of second plug offsets, thus drive the second plug move up, the second plug move up drive the first plug with
Through-hole separation, through-hole is in the open state at this time, and the liquid asphalt in nozzle carrier is sprayed out of through-hole through flow clearance, thus complete
Asphaltogenic sprinkling is avoided piston rod and is directly rigidly connected with the first plug, reduced by setting hanging platform and the second plug
The requirement of installation accuracy, so that easier for installation.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the utility model.
Fig. 2 is partial enlarged view at A in Fig. 1 of the utility model.
In figure, 1. cylinder bodies；2. drive end bearing bracket；3. accommodating cavity；4. air inlet；5. piston；6. piston rod；7. nozzle carrier；8. liquid
Body pitch import；9. first flange；10. second flange；11. through-hole；12. the first plug；13. the second plug；14. hanging platform；15.
Installation cavity；16. stop edge；17. flow clearance；18. bolt；19. reset spring；20. gas outlet；21. fast twist-on head.
Specific embodiment
The utility model is further illustrated in conjunction with attached drawing.
Drive end bearing bracket 2, front end are connected with referring to Fig. 1, a kind of pitch cylinder shown in Fig. 2, including cylinder body 1,1 one end of cylinder body
Be equipped with sealing ring between lid 2 and cylinder body 1, to guarantee that leakproofness is good, be equipped with accommodating cavity 3 in cylinder body 1, cylinder body 1 be equipped with
The air inlet 4 that accommodating cavity 3 is connected to is equipped with fast twist-on head 21 at air inlet 4 and keeps away so that air inlet 4 be blocked when not in use
Exempt from introduced contaminants to enter in accommodating cavity 3, piston 5 and piston rod 6 are equipped in accommodating cavity 3, is equipped with and resets between piston 5 and cylinder body 1
Spring 19,19 one end of reset spring, which is supported, is set to 1 inner wall of cylinder body, and 19 other end of reset spring, which supports, is set to piston 5, piston rod 6 and living
Plug 5 is fixedly connected, and sealing ring is equipped between 3 inner wall of piston 5 and accommodating cavity, thus guarantee that leakproofness is good, piston rod 6 and front end
Sealing ring is equipped between lid 2, to guarantee that leakproofness is good, drive end bearing bracket 2 has been connected through a screw thread nozzle carrier 7, convenient for disassembly and assembly, spray
7 side wall of mouth seat is equipped with liquid asphalt import 8, and 7 bottom of nozzle carrier passes through heated bitumen transfer pipeline, and nozzle carrier 7 is far from drive end bearing bracket 2
One end be connected with first flange 9 and second flange 10, i.e., 7 bottom of nozzle carrier passes through heated bitumen transfer pipeline and is connected to the first method
Orchid 9 and second flange 10, second flange 10 is set to outside nozzle carrier 7 by thread bush, so that heated bitumen transfer pipeline is located at front end
Between lid 2 and second flange 10, the end of second flange 10 and the end of drive end bearing bracket 2 are respectively equipped with sealing ring, so that the second method
It is sealed by a seal ring respectively between orchid 10 and heated bitumen transfer pipeline, between drive end bearing bracket 2 and heated bitumen transfer pipeline, from
And guarantee that leakproofness is good, it is not likely to produce leakage, first flange 9 is fixedly connected by screw with second flange 10, and the first method
The top of orchid 9 is protruded into nozzle carrier 7, and sealing ring, to guarantee that leakproofness is good, first are equipped between first flange 9 and nozzle carrier 7
Flange 9 be equipped with axially through through-hole 11.
The first plug 12, the second plug 13, bolt 18 and hanging platform 14 are equipped in nozzle carrier 7, the second plug 13 is equipped with peace
It behave affectedly 15,12 one end of the first plug is protruded into installation cavity 15, and is fixedly connected with the second plug 13, is set on 12 side wall of the first plug
There is the first mounting hole, 13 side wall of the second plug is equipped with the second mounting hole, and bolt 18 passes through the second mounting hole and protrudes into the first installation
To which the first plug 12 to be fixedly connected with the second plug 13 in hole, 12 other end of the first plug is pierced by installation cavity 15 and through-hole 11
It matching, one end that the first plug 12 is pierced by installation cavity 15 is tapered, and the first plug 12 protrudes into through-hole 11 to be cooperated with through-hole 11,
To control the opening and closing of through-hole 11.
Hanging platform 14 is movably set in installation cavity 15, and piston rod 6 passes through drive end bearing bracket 2 and protrudes into installation cavity 15 to be consolidated with hanging platform 14
Fixed connection, the second plug 13 are equipped with the stop edge 16 cooperated with hanging platform 14, and hanging platform 14 is located at stop edge 16 and the first plug 12
Between, flow clearance 17 is each formed between the first plug 12 and nozzle carrier 7, between the second plug 13 and nozzle carrier 7.
Nozzle carrier 7 and drive end bearing bracket 2 when assembly, are first connected through a screw thread, then make nozzle carrier 7 by the cylinder of the utility model
Across heated bitumen transfer pipeline, one end that nozzle carrier 7 passes through heated bitumen transfer pipeline has been connected through a screw thread second flange 10, makes
Heated bitumen transfer pipeline positioned at drive end bearing bracket 2 and second flange 10 between, at this time can by cylinder and heated bitumen transfer pipeline it
Between connect, process and assemble is easy, and maintenance easy to disassemble, when the assembly is complete, when cylinder operation, in heated bitumen transfer pipeline
Pitch enter in nozzle carrier 7 through the liquid asphalt import 8 on nozzle carrier 7, it is stifled that the first plug 12, second is equipped in nozzle carrier 7
First 13 and hanging platform 14, hanging platform 14 be fixedly connected with piston rod 6, gas is through in 4 accommodating cavity 3 of air inlet, the gas in accommodating cavity 3 is pushed away
5 compression reseting spring 19 of piston moves up, and piston 5 drives piston rod 6 to move up, and piston rod 6 drives hanging platform 14 upward
It is mobile, it offsets in 14 moving process of hanging platform with the stop edge 16 of the second plug 13, so that the second plug 13 is driven to move up, the
Two plugs 13, which move up, drives the first plug 12 to separate with through-hole 11, and through-hole 11 is in the open state at this time, in nozzle carrier 7
Liquid asphalt is sprayed out of through-hole 11 through flow clearance 17, thus complete asphaltogenic sprinkling, when air inlet 4 stops air inlet, piston 5
It is resetted under the action of reset spring 19, to drive piston rod 6 mobile, piston rod 6 pushes the first plug 12 mobile when mobile
To through-hole 11, so that through-hole 11 be blocked, by setting hanging platform 14 and the second plug 13, piston rod 6 is avoided directly with the
The rigid connection of one plug 12, reduces the requirement of installation accuracy, so that easier for installation.
Further, cylinder body 1 is equipped with the gas outlet 20 being connected to accommodating cavity 3, is equipped with fast twist-on head at gas outlet 20
21, so that gas outlet 20 be blocked when not in use, introduced contaminants is avoided to enter in accommodating cavity 3, piston 5 be located at air inlet 4 with
Between gas outlet 20, when needing to block through-hole 11, air inlet 4 stops air inlet, and air inlet is opened in gas outlet 20, and gas push is living
Plug 5 is mobile, to drive piston rod 6 mobile, piston rod 6 pushes the first plug 12 to be moved at through-hole 11 when mobile, thus will
Through-hole 11 blocks.
The above description is only a preferred embodiment of the present invention, therefore all according to described in the utility model patent application range
The equivalent change or modification done of structure, feature and principle, be included in the scope of the utility model patent application.
Claims (8)
1. a kind of pitch cylinder, including cylinder body (1), cylinder body (1) one end is connected with drive end bearing bracket (2), and accommodating is equipped in cylinder body (1)
Chamber (3), cylinder body (1) are equipped with the air inlet (4) being connected to accommodating cavity (3), are equipped with piston (5) and piston rod in accommodating cavity (3)
(6), piston rod (6) is fixedly connected with piston (5), it is characterised in that: drive end bearing bracket (2) has been connected through a screw thread nozzle carrier (7), spray
Mouth seat (7) side wall is equipped with liquid asphalt import (8), and nozzle carrier (7) is connected with first flange far from the one end of drive end bearing bracket (2)
(9) with second flange (10), second flange (10) by thread bush be set to nozzle carrier (7) outside, first flange (9) by screw with
Second flange (10) is fixedly connected, and is protruded into nozzle carrier (7) at the top of first flange (9), and first flange (9) is equipped with axial pass through
Logical through-hole (11), nozzle carrier (7) is interior to be equipped with the first plug (12), the second plug (13) and hanging platform (14), the second plug (13)
It being equipped with installation cavity (15), the first plug (12) one end is protruded into installation cavity (15), and is fixedly connected with the second plug (13), the
One plug (12) other end is pierced by installation cavity (15) and matches with through-hole (11), and hanging platform (14) is movably set in installation cavity (15)
Interior, piston rod (6) is protruded into installation cavity (15) across drive end bearing bracket (2) and is fixedly connected with hanging platform (14), and the second plug is set on (13)
There is the stop edge (16) with hanging platform (14) cooperation, between the first plug (12) and nozzle carrier (7), the second plug (13) and nozzle carrier
(7) flow clearance (17) are each formed between.
2. a kind of pitch cylinder according to claim 1, it is characterised in that: bolt (18) are additionally provided in nozzle carrier (7),
First plug (12) side wall is equipped with the first mounting hole, and the second plug (13) side wall is equipped with the second mounting hole, and bolt (18) is worn
The second mounting hole is crossed to protrude into the first mounting hole to which the first plug (12) to be fixedly connected with the second plug (13).
3. a kind of pitch cylinder according to claim 1, it is characterised in that: the first plug (12) is pierced by installation cavity (15)
One end it is tapered, the first plug (12) protrudes into through-hole (11) to block through-hole (11).
4. a kind of pitch cylinder according to claim 1, it is characterised in that: it is equipped between piston (5) and cylinder body (1) multiple
Position spring (19).
5. a kind of pitch cylinder according to claim 1, it is characterised in that: cylinder body (1) is equipped with accommodating cavity (3) even
Logical gas outlet (20), piston (5) are located between air inlet (4) and gas outlet (20).
6. a kind of pitch cylinder according to claim 5, it is characterised in that: air inlet (4) and gas outlet (20) punishment
Fast twist-on head (21) is not installed.
7. a kind of pitch cylinder according to claim 1, it is characterised in that: between first flange (9) and nozzle carrier (7)
Equipped with sealing ring, it is equipped with sealing ring between drive end bearing bracket (2) and valve body, sealing ring is equipped between piston rod (6) and drive end bearing bracket (2),
Sealing ring is equipped between piston (5) and accommodating cavity (3) inner wall.
8. a kind of pitch cylinder according to claim 1, it is characterised in that: the end of second flange (10) and drive end bearing bracket
(2) end is respectively equipped with sealing ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917175.2U CN208563049U (en) | 2018-06-14 | 2018-06-14 | A kind of pitch cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917175.2U CN208563049U (en) | 2018-06-14 | 2018-06-14 | A kind of pitch cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208563049U true CN208563049U (en) | 2019-03-01 |
Family
ID=65486760
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820917175.2U Active CN208563049U (en) | 2018-06-14 | 2018-06-14 | A kind of pitch cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208563049U (en) |
-
2018
- 2018-06-14 CN CN201820917175.2U patent/CN208563049U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |