CN213116451U

CN213116451U - Natural gas intake device of gas engine precombustion chamber

Info

Publication number: CN213116451U
Application number: CN202021490040.6U
Authority: CN
Inventors: 吴葵
Original assignee: Individual
Current assignee: URUMQI LONGSHENGDA ENVIRONMENTAL PROTECTION TECHNOLOGY CO LTD
Priority date: 2020-07-25
Filing date: 2020-07-25
Publication date: 2021-05-04
Anticipated expiration: 2030-07-25

Abstract

The utility model discloses a natural gas air inlet unit of gas engine antechamber, including gas outlet, the air inlet of seting up both ends around the body, the intercommunication has the tesla valve between gas outlet and the air inlet, fixed mounting has two sets of dead levers on the lateral wall of body, and equal fixed mounting has a mounting panel, two on two sets of dead levers all be equipped with a plurality of connection screws on the mounting panel, all install a plurality of inseparable mechanisms on air inlet and the gas outlet, the symmetry is equipped with two spouts on the lateral wall of body, and two spouts all with the air inlet intercommunication, two equal sliding connection has the piece of opening and shutting in the spout. Has the advantages that: the utility model discloses can effectively avoid the ignition gas backward flow, improve the device's security, and need not external governing valve and can carry out the regulation operation of natural gas flow, it is comparatively convenient to operate to can improve the compactness that body and external natural gas line are connected, reduced the possibility that natural gas leaked to cause the incident.

Description

Natural gas intake device of gas engine precombustion chamber

Technical Field

The utility model relates to a gas engine technical field especially relates to a natural gas air inlet unit of gas engine precombustor.

Background

The working principle of the gas engine is that a mixture of natural gas and air is fed into a cylinder, the natural gas is fed into a cylinder cover pre-combustion chamber and is ignited by a spark plug, and thus the mixture of natural gas and air in the cylinder is ignited. The gas engine using natural gas as main fuel can overcome the defect of high NOx and PM emission of the diesel engine, and the engine can almost run without smoke in the whole working process, thereby having good development prospect.

The natural gas air inlet device of the same way can all be set up alone to current precombustion chamber to the better intake and the effect of igniting of guaranteeing the natural gas, present air inlet device is mostly single body, when admitting air, can't avoid igniting the gas backward flow, has certain danger, and when the air input of need to the natural gas is controlled, needs external governing valve, and the operation has certain inconvenient part.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problems existing in the prior art and providing a natural gas intake device of a gas engine precombustion chamber.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a natural gas air inlet unit of gas engine antechamber, is including seting up gas outlet, the air inlet at both ends around the body, the intercommunication has the tesla valve between gas outlet and the air inlet, fixed mounting has two sets of dead levers on the lateral wall of body, and equal fixed mounting has a mounting panel on two sets of dead levers, two all be equipped with a plurality of connection screws on the mounting panel, all install a plurality of inseparable mechanisms on air inlet and the gas outlet, the symmetry is equipped with two spouts on the lateral wall of body, and two spouts all with the air inlet intercommunication, two equal sliding connection has the piece of opening and closing in the spout, install two on the body and correspond an opening and closing matched with adjustment mechanism.

In the natural gas air inlet unit of foretell gas engine precombustion chamber, inseparable mechanism is including flexible groove, flexible groove is seted up on the lateral wall of air inlet, and flexible inslot fixed mounting has the spring, the one end fixed mounting that flexible groove was kept away from to the spring has the arc clamp splice, be equipped with the through-hole on the lateral wall of body, and through-hole and flexible groove intercommunication, sliding connection has the connecting rod in the through-hole, and the one end and the arc clamp splice fixed connection of connecting rod, fixed mounting has the sealing washer with connecting rod matched with in the through-hole.

In the natural gas inlet device of the gas engine precombustion chamber, a rubber layer is fixedly mounted at one end, away from the connecting rod, of the arc-shaped clamping block, the arc length of the rubber layer is larger than or equal to that of the arc-shaped clamping block, and a pull ring is fixedly mounted at one end, away from the arc-shaped clamping block, of the connecting rod.

In the natural gas air inlet unit of foretell gas engine precombustion chamber, adjustment mechanism is including adjusting the seat, adjust seat fixed mounting on the body, the piece that opens and shuts passes the spout and extends to the outer one end fixed mounting of body has the fixed block, and fixed mounting has the fixed plate on the lateral wall of fixed block, be equipped with on the regulation seat with fixed plate matched with perpendicular groove, and erect the inslot internal rotation and be connected with adjusting screw, adjusting screw and fixed plate threaded connection.

In the natural gas inlet device of the gas engine precombustion chamber, the tube body is fixedly provided with the positioning seat symmetrical to the adjusting seat, the positioning seat is provided with the positioning groove, and one end of the fixing block, which is far away from the fixing plate, is fixedly provided with the positioning rod matched with the positioning groove.

Compared with the prior art, the utility model discloses the advantage lies in:

1: the use of the Tesla valve can ensure that natural gas can only flow from the air inlet to the air outlet and enter the pre-combustion chamber, the problem of backflow of the ignition gas can be effectively avoided, the safety of the device is improved, the Tesla valve can realize one-way conduction of air flow without inputting energy, and the production and use cost is relatively low.

2: through the cooperation of a plurality of inseparable mechanisms, can follow the inside zonulae occludens who realizes its and external natural gas line of body, improve the compactness that the two is connected to a certain extent, avoided the safety problem that natural gas leakage leads to.

3: through the cooperation of opening and closing piece and adjustment mechanism, be convenient for adjust the opening size of air inlet to can realize the regulation operation to natural gas flow, need not external governing valve and operate, improve the convenience of operation.

To sum up, the utility model discloses can effectively avoid the ignition gas backward flow, improve the device's security, and need not external governing valve and can carry out the regulation operation of natural gas flow, it is comparatively convenient to operate to can improve the compactness that body and external natural gas line are connected, reduced the possibility that natural gas leaked to cause the incident.

Drawings

Fig. 1 is a schematic structural diagram of a natural gas intake device of a gas engine prechamber according to the present invention;

FIG. 2 is an enlarged view of the structure of part A in FIG. 1;

fig. 3 is an enlarged schematic view of a portion B in fig. 2.

In the figure: the device comprises a pipe body 1, an air outlet 2, an air inlet 3, a Tesla valve 4, a fixing rod 5, a mounting plate 6, a connecting screw hole 7, a telescopic groove 8, a spring 9, an arc-shaped clamping block 10, a connecting rod 11, a through hole 12, a sealing ring 13, a sliding groove 14, a starting and closing piece 15, a fixing block 16, an adjusting seat 17, a vertical groove 18, a fixing plate 19, an adjusting screw rod 20 and a positioning seat 21.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the natural gas intake device of the gas engine precombustion chamber comprises an air outlet 2 and an air inlet 3 which are arranged at the front end and the rear end of a tube body 1, wherein a tesla valve 4 is communicated between the air outlet 2 and the air inlet 3;

the above is noteworthy:

1. the Tesla valve 4 is a one-way conduction airflow valve, no movable part is arranged in the Tesla valve, and the airflow one-way conduction can be realized without inputting energy, the use of the Tesla valve 4 can effectively ensure that natural gas can only enter the pre-combustion chamber from the air outlet 2 through the Tesla valve 4 from the air inlet 3, the problem of backflow of ignition gas can be effectively avoided, and the safety of the device is improved.

2. Fixed mounting has two sets of dead levers 5 on the lateral wall of body 1, and equal fixed mounting has mounting panel 6 on two sets of dead levers 5, all is equipped with a plurality of connection screw 7 on two mounting panels 6, through mounting panel 6 and a plurality of cooperation of connecting screw 7, is convenient for realize the fixed between body 1 and the gas engine.

3. All install a plurality of inseparable mechanisms on air inlet 3 and the gas outlet 2, inseparable mechanism is including flexible groove 8, flexible groove 8 is seted up on the lateral wall of air inlet 3, and fixed mounting has spring 9 in flexible groove 8, the one end fixed mounting that flexible groove 8 was kept away from to spring 9 has arc clamp splice 10, be equipped with through-hole 12 on the lateral wall of body 1, and through-hole 12 and flexible 8 intercommunication in groove, sliding connection has connecting rod 11 in the through-hole 12, and the one end and the arc clamp splice 10 fixed connection of connecting rod 11, fixed mounting has and connecting rod 11 matched with sealing washer 13 in the through-hole 12, through the spring action of spring 9, can apply the power of keeping away from body 1 lateral wall to arc clamp splice 10, thereby through the cooperation of a plurality of arc clamp splices 10, can ensure the compactness of being connected between air inlet.

4. The cooperation of connecting rod 11 and through-hole 12 is convenient for when carrying out the installation between body 1 and the external natural gas line, earlier make arc clamp splice 10 overcome spring 9's elasticity and be close to in the flexible groove 8 to ensure going on smoothly of being connected the operation between external natural gas line and the body 1, connecting rod 11 keeps away from the one end fixed mounting of arc clamp splice 10 and has the pull ring, and the design of sealing washer 13 can avoid the natural gas to spill over the problem that leads to the leakage in following through-hole 12.

5. One end fixed mounting that connecting rod 11 was kept away from to arc clamp splice 10 has the rubber layer, and the arc length more than or equal to arc clamp splice 10 on rubber layer, the design on rubber layer, can play certain guard action to external natural gas line, and the rubber layer has certain elasticity, when external natural gas line aperture is great, a plurality of arc clamp splices 10 and probably there is certain clearance between it, mutual extrusion produces deformation between a plurality of rubber layers this moment, can fill the clearance, ensure that body 1 is inseparable with external natural gas line is connected.

The side wall of the pipe body 1 is symmetrically provided with two sliding chutes 14, the two sliding chutes 14 are communicated with the air inlet 3, the two sliding chutes 14 are connected with opening and closing pieces 15 in a sliding manner, and the pipe body 1 is provided with two adjusting mechanisms matched with the corresponding opening and closing pieces 15;

the above is noteworthy:

1. the opening size of the air inlet 3 can be controlled by adjusting the distance between the two opening and closing pieces 15, so that the flow of natural gas can be correspondingly adjusted, the flow adjusting operation is realized without an external adjusting valve, and the convenience of operation is improved.

2. Adjustment mechanism is including adjusting seat 17, adjust seat 17 fixed mounting on body 1, the one end fixed mounting that opening and shutting piece 15 passed spout 14 and extends to body 1 outside has fixed block 16, and fixed mounting has fixed plate 19 on the lateral wall of fixed block 16, be equipped with on the regulation seat 17 with fixed plate 19 matched with perpendicular groove 18, and perpendicular 18 internal rotations in groove are connected with adjusting screw 20, adjusting screw 20 and 19 threaded connection of fixed plate, when rotating adjusting screw 20, can drive fixed plate 19 and reciprocate in perpendicular 18 inslots, thereby can adjust two intervals of opening and shutting piece 15, accomplish the natural gas flow control operation, the operation mode is simple and convenient.

3. A positioning seat 21 symmetrical to the adjusting seat 17 is fixedly installed on the tube body 1, a positioning groove is formed in the positioning seat 21, a positioning rod matched with the positioning groove is fixedly installed at one end, away from the fixing plate 19, of the fixing block 16, and the moving direction and distance of the opening and closing piece 15 can be limited through the matching of the positioning groove and the positioning rod.

Claims

1. A natural gas inlet device of a gas engine precombustion chamber comprises an air outlet (2) and an air inlet (3) which are arranged at the front end and the rear end of a tube body (1), it is characterized in that a Tesla valve (4) is communicated between the air outlet (2) and the air inlet (3), two groups of fixing rods (5) are fixedly arranged on the side wall of the tube body (1), mounting plates (6) are fixedly arranged on the two groups of fixing rods (5), a plurality of connecting screw holes (7) are arranged on the two mounting plates (6), a plurality of tightening mechanisms are respectively arranged on the air inlet (3) and the air outlet (2), two sliding chutes (14) are symmetrically arranged on the side wall of the tube body (1), the two chutes (14) are communicated with the air inlet (3), the two chutes (14) are connected with opening and closing pieces (15) in a sliding way, two adjusting mechanisms matched with the corresponding opening and closing pieces (15) are installed on the pipe body (1).

2. The natural gas intake device of a gas engine precombustor, according to claim 1, characterized in that, the tightening mechanism comprises a telescopic slot (8), the telescopic slot (8) is opened on the side wall of the air intake (3), and a spring (9) is fixedly installed in the telescopic slot (8), one end of the spring (9) far away from the telescopic slot (8) is fixedly installed with an arc-shaped clamping block (10), the side wall of the tube body (1) is provided with a through hole (12), and the through hole (12) is communicated with the telescopic slot (8), the through hole (12) is internally and slidably connected with a connecting rod (11), and one end of the connecting rod (11) is fixedly connected with the arc-shaped clamping block (10), and a sealing ring (13) matched with the connecting rod (11) is fixedly installed in the through hole (12).

3. The natural gas intake device of the gas engine prechamber as recited in claim 2, characterized in that a rubber layer is fixedly mounted on the end of the arc-shaped clamping block (10) away from the connecting rod (11), the arc length of the rubber layer is greater than or equal to the arc length of the arc-shaped clamping block (10), and a pull ring is fixedly mounted on the end of the connecting rod (11) away from the arc-shaped clamping block (10).

4. The natural gas intake device of a gas engine precombustor according to claim 1, characterized in that the adjusting mechanism comprises an adjusting seat (17), the adjusting seat (17) is fixedly mounted on the tube body (1), the opening and closing member (15) passes through the sliding groove (14) and extends to one end outside the tube body (1) and is fixedly mounted with a fixed block (16), a fixed plate (19) is fixedly mounted on the side wall of the fixed block (16), a vertical groove (18) matched with the fixed plate (19) is formed in the adjusting seat (17), an adjusting screw (20) is rotatably connected in the vertical groove (18), and the adjusting screw (20) is in threaded connection with the fixed plate (19).

5. The natural gas intake device for the precombustion chamber of the gas engine as claimed in claim 4, wherein the tube body (1) is fixedly provided with a positioning seat (21) symmetrical to the adjusting seat (17), the positioning seat (21) is provided with a positioning slot, and one end of the fixing block (16) far away from the fixing plate (19) is fixedly provided with a positioning rod matched with the positioning slot.