CN213510921U - Detachable spray pipe - Google Patents
Detachable spray pipe Download PDFInfo
- Publication number
- CN213510921U CN213510921U CN202022021872.XU CN202022021872U CN213510921U CN 213510921 U CN213510921 U CN 213510921U CN 202022021872 U CN202022021872 U CN 202022021872U CN 213510921 U CN213510921 U CN 213510921U
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- spray tube
- end cover
- threaded rod
- flange seat
- connecting bolt
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Abstract
The utility model discloses a removable spray tube, its technical scheme is: including steam conduit, steam conduit one side is equipped with the spray tube, inside spray tube one side extended to steam conduit, spray tube opposite side top was equipped with first threaded rod, spray tube opposite side bottom was equipped with the second threaded rod, the spray tube outside is equipped with the flange seat, the screw hole was all seted up with the bottom inner wall to flange seat top inner wall, flange seat one side is equipped with the end cover, the equal fixed connection of end cover one side is sealed fills up, inside end cover one side extended to the flange seat, end cover opposite side top and bottom all were equipped with connecting bolt, and a removable spray tube beneficial effect is: the utility model discloses a link together end cover and flange seat with connecting bolt, then stretch into the spray tube in the steam conduit, the accessible is dismantled connecting bolt and the end cover and is unpack apart, takes out the spray tube to be convenient for the change and the maintenance of spray tube, practiced thrift the resource.
Description
Technical Field
The utility model relates to a removable spray tube field, concretely relates to removable spray tube.
Background
The nozzle is an important part of the rocket engine and refers to a device for accelerating airflow by changing the geometric shape of the inner wall of a pipe section. The pipelines used for reducing and increasing the pressure and the speed of airflow are called spray pipes, and the spray pipes commonly used for thermal power generation are of two types: one is a convergent nozzle and the other is a convergent-divergent nozzle, or a laval nozzle. In the rocket engine, the flow of the fuel gas is controlled by the size of the throat area of the spray pipe, so that the fuel gas in the combustion chamber keeps a preset pressure, and the normal combustion of the fuel charge is ensured; the propellant combustion products are expanded and accelerated through the spray pipe, and the heat energy of the propellant combustion products is fully converted into the kinetic energy of the fuel gas, so that the engine obtains propulsion power-thrust; the thrust magnitude and direction are adjusted and controlled through the spray pipe in the missile engine. The jet pipe is an outlet of high-temperature and high-pressure fuel gas in the combustion chamber, is an important part for energy conversion of the rocket engine, and directly influences the performance of the engine. The basic functions of the nozzle are two: the mass flow rate of the fuel gas is controlled through the size of the throat of the spray pipe so as to achieve the purpose of controlling the pressure intensity of the fuel gas in the combustion chamber; secondly, the Laval nozzle (composed of a convergent section, a throat part and an expansion section) with the cross section shape converging first and then expanding is adopted, so that the flow of the fuel gas can be accelerated from subsonic velocity to supersonic velocity, and the fuel gas is sprayed out at high speed to generate reaction thrust. Thrust vector control can also be achieved by using the nozzle in order to control the flight direction and attitude of the aircraft. For small and medium-sized rockets, simpler conical spray pipes are mostly adopted, and for large rockets which have long working time, high thrust and high mass flow rate and adopt high-performance propellants, special spray pipes (such as double circular arcs, parabolas and the like) are generally used.
The prior art has the following defects: current spray tube is welded connection, and the nozzle of inconvenient maintenance spray tube when the nozzle damages, needs to change whole spray tube to increased the cost of maintenance in later stage, caused the waste to the resource.
Therefore, the invention is necessary to invent a detachable spray pipe.
SUMMERY OF THE UTILITY MODEL
Therefore, the utility model provides a detachable spray pipe, which is characterized in that an end cover is connected with a flange seat by a connecting bolt, and a sealing gasket is arranged in the middle to prevent the medium from leaking; during the spray tube stretched into steam conduit, the accessible was dismantled connecting bolt and end cover and is unpacked apart, took out the spray tube to solve the current inconvenient problem of overhauing the nozzle of spray tube.
In order to achieve the above object, the present invention provides the following technical solutions: a detachable spray pipe comprises a steam pipeline.
Preferably, steam conduit one side is equipped with the spray tube, spray tube one side extends to inside the steam conduit, spray tube opposite side top is equipped with first threaded rod, spray tube opposite side bottom is equipped with the second threaded rod, the spray tube outside is equipped with the flange seat, the screw hole is all seted up with the bottom inner wall to flange seat top inner wall, flange seat one side is equipped with the end cover, the equal fixed connection of end cover one side is sealed to be filled up, inside the flange seat extends to end cover one side, end cover opposite side top and bottom all are equipped with connecting bolt, connecting bolt one end runs through the end cover and extends to inside the flange seat.
Preferably, the connecting bolt is in threaded connection with the end cover, and the connecting bolt is in threaded connection with the flange seat.
Preferably, the bottom of the first threaded rod extends into the spray pipe, and the bottom of the first threaded rod is connected with the interior of the spray pipe through threads.
Preferably, the top of the second threaded rod extends into the spray pipe, and the top of the second threaded rod is connected with the interior of the spray pipe through threads.
Preferably, the top of the first threaded rod extends into the threaded hole, and the top of the first threaded rod is in threaded connection with the inside of the threaded hole.
Preferably, the bottom of the second threaded rod extends into the threaded hole, and the bottom of the second threaded rod is in threaded connection with the inside of the threaded hole.
The utility model has the advantages that:
1. the utility model discloses a link together end cover and flange seat with connecting bolt, then stretch into the spray tube in the steam conduit, the accessible is dismantled connecting bolt and the end cover and is unpack apart, takes out the spray tube to be convenient for the change and the maintenance of spray tube, practiced thrift the resource.
2. The utility model discloses an install sealed the pad additional in end cover one side to prevent the outer hourglass of medium effectively.
Drawings
Fig. 1 is a cross-sectional view provided by the present invention;
in the figure: the steam pipeline comprises a steam pipeline 1, a spray pipe 2, a first threaded rod 3, a second threaded rod 4, a flange seat 5, a threaded hole 6, an end cover 7, a sealing gasket 8 and a connecting bolt 9.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.
furthermore, a spray pipe 2 is arranged on one side of the steam pipeline 1, one side of the spray pipe 2 extends into the steam pipeline 1, a first threaded rod 3 is arranged on the top of the other side of the spray pipe 2, a second threaded rod 4 is arranged at the bottom of the other side of the spray pipe 2, a flange seat 5 is arranged outside the spray pipe 2, threaded holes 6 are formed in the inner wall of the top and the inner wall of the bottom of the flange seat 5, an end cover 7 is arranged on one side of the flange seat 5, a sealing gasket 8 is fixedly connected to one side of the end cover 7, one side of the end cover 7 extends into the flange seat 5, connecting bolts 9 are arranged at the top end and the bottom end of the other side of the end cover 7, one end of each connecting bolt 9 penetrates through the end cover 7 and extends into the flange seat 5, specifically, the spray pipe 2 is made of an anti-corrosion, the connecting bolt 9 has the function of connecting the end cover 7 and the flange seat 5;
further, the connecting bolt 9 is connected with the end cover 7 through a thread, the connecting bolt 9 is connected with the flange seat 5 through a thread, and specifically, the connecting bolt 9 is connected with the flange seat 5 through a thread, so that the connecting bolt and the flange seat are convenient to disassemble;
further, the bottom of the first threaded rod 3 extends into the spray pipe 2, the bottom of the first threaded rod 3 is in threaded connection with the interior of the spray pipe 2, and specifically, the bottom of the first threaded rod 3 is in threaded connection with the interior of the spray pipe 2, so that the first threaded rod and the spray pipe are convenient to disassemble;
further, the top of the second threaded rod 4 extends into the spray pipe 2, the top of the second threaded rod 4 is in threaded connection with the interior of the spray pipe 2, and specifically, the top of the second threaded rod 4 is in threaded connection with the interior of the spray pipe 2, so that the two are convenient to disassemble;
further, the top of the first threaded rod 3 extends into the threaded hole 6, the top of the first threaded rod 3 is connected with the inside of the threaded hole 6 through threads, and particularly, the top of the first threaded rod 3 is connected with the inside of the threaded hole 6 through threads, so that the first threaded rod and the threaded hole are convenient to disassemble;
further, the bottom of the second threaded rod 4 extends into the threaded hole 6, the bottom of the second threaded rod 4 is in threaded connection with the inside of the threaded hole 6, and specifically, the bottom of the second threaded rod 4 is in threaded connection with the inside of the threaded hole 6, so that the second threaded rod and the threaded hole are convenient to detach.
The utility model discloses a use as follows: use the utility model discloses inside inserting steam conduit 1 with spray tube 2 during the time, then screw into flange seat 5 inside tops and spray tube 2 with first threaded rod 3 inside, screw into flange seat 5 inside bottom and spray tube 2 with second threaded rod 4 again inside to let first threaded rod 3 and second threaded rod 4 be connected between flange seat 5 and the spray tube 2, link together end cover 7 and flange seat 5 through connecting bolt 9 again, seal up 8 and prevent that the medium from leaking outward in the middle design.
The above description is only a preferred embodiment of the present invention, and any person skilled in the art may modify the present invention or modify it into an equivalent technical solution by using the technical solutions described above. Therefore, any simple modifications or equivalent replacements made according to the technical solution of the present invention belong to the scope of the claimed invention as far as possible.
Claims (6)
1. A removable spray tube, includes steam conduit (1), its characterized in that: steam conduit (1) one side is equipped with spray tube (2), spray tube (2) one side extends to inside steam conduit (1), spray tube (2) opposite side top is equipped with first threaded rod (3), spray tube (2) opposite side bottom is equipped with second threaded rod (4), spray tube (2) outside is equipped with flange seat (5), screw hole (6) are all seted up with the bottom inner wall to flange seat (5) top inner wall, flange seat (5) one side is equipped with end cover (7), the equal fixed connection of end cover (7) one side fills up (8), end cover (7) one side extends to inside flange seat (5), end cover (7) opposite side top and bottom all are equipped with connecting bolt (9), connecting bolt (9) one end runs through end cover (7) and extends to inside flange seat (5).
2. A removable spout according to claim 1, wherein: the connecting bolt (9) is in threaded connection with the end cover (7), and the connecting bolt (9) is in threaded connection with the flange seat (5).
3. A removable spout according to claim 1, wherein: the bottom of the first threaded rod (3) extends into the spray pipe (2), and the bottom of the first threaded rod (3) is connected with the interior of the spray pipe (2) through threads.
4. A removable spout according to claim 1, wherein: the top of the second threaded rod (4) extends into the spray pipe (2), and the top of the second threaded rod (4) is connected with the interior of the spray pipe (2) through threads.
5. A removable spout according to claim 1, wherein: the top of the first threaded rod (3) extends into the threaded hole (6), and the top of the first threaded rod (3) is connected with the inside of the threaded hole (6) through threads.
6. A removable spout according to claim 1, wherein: the bottom of the second threaded rod (4) extends into the threaded hole (6), and the bottom of the second threaded rod (4) is connected with the inside of the threaded hole (6) through threads.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022021872.XU CN213510921U (en) | 2020-09-16 | 2020-09-16 | Detachable spray pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022021872.XU CN213510921U (en) | 2020-09-16 | 2020-09-16 | Detachable spray pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213510921U true CN213510921U (en) | 2021-06-22 |
Family
ID=76447171
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022021872.XU Active CN213510921U (en) | 2020-09-16 | 2020-09-16 | Detachable spray pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213510921U (en) |
-
2020
- 2020-09-16 CN CN202022021872.XU patent/CN213510921U/en active Active
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