Dual venturi tube for combustion device
By designing a dual venturi tube for combustion devices, the combination of the intake mechanism and the position adjustment rod is used to achieve independent adjustment of gas and water flow, solving the problem that the gas and water flow speed cannot be adjusted separately in the prior art, and improving the use effect of the combustion device.
Patent Information
- Application Number
- CN202421758357.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-07-24
- Publication Date
- 2025-05-23
- Estimated Expiration
- 2034-07-24
AI Technical Summary
When used in gas engines, the speed of gas and water flow cannot be adjusted separately, resulting in a reduced use effect.
A dual venturi tube for combustion device is designed, through the air inlet mechanism, the air is entered into the sealed connection box through the connecting pipe, increasing the gas pressure, and the gas pressure inside the first venturi tube and the second venturi tube is individually adjusted through the coordination of the position adjustment rod and the sealing stop.
The independent adjustment of gas and water flow is achieved, the use effect of the combustion device is improved, and the boosting effect is enhanced by optimizing the design of the air intake mechanism.
Smart Images
Figure CN222895136U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of venturi tubes, in particular to a double venturi tube for a combustion device. Background Art
[0002] The venturi is a fluid control device, which usually consists of a long and thin cylindrical pipe and two sections with different cross-sectional areas. The fluid enters the venturi through the section with a larger cross-sectional area, and the velocity gradually increases in the pipe. When the fluid passes through the section with a smaller cross-sectional area, the velocity reaches the maximum value.
[0003] Venturi tubes are also used in gas engines. Venturi tubes can adjust the speed of gas and water flow. However, during use, the existing double Venturi tubes can only adjust the gas and water simultaneously, and cannot adjust the water flow or gas separately according to the specific needs of the user, thereby reducing its use effect.
[0004] To this end, we propose a double venturi for a combustion device. Utility Model Content
[0005] The utility model mainly solves the technical problems existing in the above-mentioned prior art and provides a double venturi tube for a combustion device.
[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a double venturi tube for a combustion device, comprising a first venturi tube and a second venturi tube, the first venturi tube is located in front of the second venturi tube, the upper outer walls of the first venturi tube and the second venturi tube are both sealedly connected with a pressurized air pipe, the upper side walls of the two groups of pressurized air pipes are both sealedly connected with sealed connection boxes, the interiors of the two groups of sealed connection boxes are mutually connected with the interiors of the pressurized air pipes on the same side, the upper side walls of the two groups of sealed connection boxes are provided with connecting pipes, the connecting pipes are concave, and an air intake mechanism capable of controlling the size of the gas is provided on the connecting pipes, and the two groups of vertical ends of the connecting pipes are sealed with the same side The upper side wall of the sealing connection box is sealed and connected, and the interior of the connecting pipe is interconnected with the interior of the two groups of sealing connection boxes. The interiors of the two groups of sealing connection boxes are movably installed with sealing blocks in a sealing manner. The two groups of sealing blocks are adapted to the interiors of the two groups of first air inlet holes. Position adjustment rods are rotatably installed on the walls away from the two groups of sealing blocks. Threaded grooves are provided on the outer walls of the two groups of position adjustment rods. The rear position adjustment rod is threadedly connected to the rear wall of the sealing connection box on the same side, and the front position adjustment rod is threadedly connected to the front wall of the sealing connection box on the same side. Adjustment knobs are fixedly installed on the walls away from the two groups of position adjustment rods to facilitate their rotation.
[0007] Preferably, the air intake mechanism includes an air intake pipe, which is sealingly connected to the upper wall of the connecting pipe, the interior of the air intake pipe and the interior of the connecting pipe are interconnected, and a rotatable connecting ring is provided on the outer wall of the air intake pipe, and threaded grooves are provided on the inner wall of the connecting ring and the outer wall of the air intake pipe.
[0008] Preferably, the outer wall of the air intake duct and the inner wall of the connecting swivel are threadedly connected together, a fixed adjustment rod is fixedly installed on the upper wall of the connecting swivel, and the outer wall of the fixed adjustment rod is a conical surface that increases sequentially from top to bottom.
[0009] Preferably, a connecting sleeve is fixedly mounted on the upper side wall of the connecting swivel, and the inner wall of the connecting sleeve is a conical surface that increases from top to bottom, and the taper of the inner wall of the connecting sleeve is the same as the taper of the outer wall of the fixed adjusting rod.
[0010] Preferably, an air intake connecting pipe is fixedly mounted on the upper side wall of the connecting sleeve, a second air intake hole is opened on the upper side wall of the air intake connecting pipe, and the inner wall of the second air intake hole is a conical surface that decreases from top to bottom.
[0011] Preferably, the upper side wall of the air intake duct is provided with a first air intake hole penetrating the upper side wall thereof, and a plurality of first air intake holes are provided, and the plurality of first air intake holes are evenly distributed.
[0012] Preferably, a plurality of the second air inlet holes are provided, and the plurality of second air inlet holes are evenly distributed on the upper side wall surface of the air inlet connecting pipe.
[0013] Beneficial Effects
[0014] The utility model provides a double venturi tube for a combustion device, which has the following beneficial effects:
[0015] 1. A combustion device uses a double venturi. During use, the utility model discharges air into the interior of two sets of sealed connection boxes through the air intake mechanism through the connecting pipe, and finally enters the interior of the first venturi and the second venturi to increase the pressure. The air intake mechanism can change the pressure of the gas entering the first venturi and the second venturi at the same time. In addition, one set of adjustment knobs can be rotated, and the position adjustment rod starts to rotate. According to the different rotation directions of the position adjustment rod, the sealing block can be moved forward or backward, so that the size of the sealing block to the gas entering the sealed connection box can be changed, and the size of the internal pressure of the first venturi and the second venturi can be changed separately. The user can operate according to specific needs to improve the use effect.
[0016] 2. A combustion device uses a double venturi. During use of the utility model, the connecting ring is rotated in the forward direction, and the connecting ring moves downward along the outer wall of the intake pipe, and the connecting sleeve moves downward with the intake connecting pipe. Since the inner wall of the connecting sleeve is a conical surface that increases from top to bottom, and the outer wall of the fixed adjusting rod is a conical surface that increases from top to bottom, the gap between the fixed adjusting rod and the connecting sleeve can be reduced, and the amount of air entering can be reduced. In addition, since the inner wall of the connecting pipe is a conical surface that decreases from top to bottom, the pressure of the gas inside the intake connecting pipe can be increased, thereby improving the supercharging effect. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 A three-dimensional diagram of the utility model as a whole;
[0018] Figure 2 It is a three-dimensional diagram of the first venturi tube of the utility model;
[0019] Figure 3 for Figure 2 A magnified view of location A;
[0020] Figure 4 It is a three-dimensional diagram of the air intake duct of the utility model.
[0021] Legend: 1. First venturi tube; 2. Sealing connection box; 3. Connecting pipe; 4. Adjusting knob; 5. Sealing block; 6. Position adjusting rod; 7. Inlet pipe; 8. Connecting swivel; 9. Fixed adjusting rod; 10. First air inlet hole; 11. Connecting sleeve; 12. Inlet connecting pipe; 13. Second air inlet hole; 14. Second venturi tube. DETAILED DESCRIPTION
[0022] Embodiment 1: A double venturi tube for a combustion device, such as Figure 1 , Figure 2 and Figure 3As shown, it includes a first venturi tube 1 and a second venturi tube 14, the first venturi tube 1 is located in front of the second venturi tube 14, the upper outer walls of the first venturi tube 1 and the second venturi tube 14 are both sealed and connected with a pressurized air pipe, the upper side walls of the two groups of pressurized air pipes are both sealed and connected with a sealed connection box 2, the interiors of the two groups of sealed connection boxes 2 are mutually connected with the interiors of the pressurized air pipes on the same side, the upper side walls of the two groups of sealed connection boxes 2 are provided with a connecting pipe 3, the connecting pipe 3 is concave, and an intake mechanism capable of controlling the size of the gas is provided on the connecting pipe 3, the two groups of vertical ends of the connecting pipe 3 are both sealed and connected with the upper side wall of the sealed connection box 2 on the same side, and the connecting pipe The interior of the channel 3 is interconnected with the interior of the two groups of sealed connection boxes 2, and the interiors of the two groups of sealed connection boxes 2 are movably installed with sealing blocks 5 in a sealing manner. The two groups of sealing blocks 5 are mutually adapted to the interiors of the two groups of first air inlet holes 10, and the walls of the two groups of sealing blocks 5 that are far away from each other are rotatably installed with position adjustment rods 6, and the outer walls of the two groups of position adjustment rods 6 are provided with threaded grooves, the rear side position adjustment rod 6 is threadedly connected to the rear side wall of the sealed connection box 2 on the same side, and the front side position adjustment rod 6 is threadedly connected to the front side wall of the sealed connection box 2 on the same side, and the walls of the two groups of position adjustment rods 6 that are far away from each other are fixedly installed with adjustment knobs 4 for facilitating their rotation.
[0023] During use of the utility model, the air is discharged into the interior of the two groups of sealed connection boxes 2 through the air intake mechanism through the connecting pipe 3, and finally enters the interior of the first venturi tube 1 and the second venturi tube 14 to increase the pressure. The air intake mechanism can change the pressure of the gas entering the first venturi tube 1 and the second venturi tube 14 at the same time. In addition, one of the groups of adjustment knobs 4 can be rotated, and the position adjustment rod 6 starts to rotate. According to the different rotation directions of the position adjustment rod 6, the sealing block 5 can be moved forward or backward, so that the size of the gas entering the sealed connection box 2 by the sealing block 5 can be changed, and the size of the internal pressure of the first venturi tube 1 and the second venturi tube 14 can be changed separately. The user can operate according to specific needs.
[0024] Embodiment 2: Based on Embodiment 1, Figure 2 and Figure 4 As shown, the air intake mechanism includes an air intake pipe 7, which is sealed and connected to the upper wall of the connecting pipe 3. The interior of the air intake pipe 7 and the interior of the connecting pipe 3 are interconnected. A rotatable connecting ring 8 is provided on the outer wall of the air intake pipe 7, and threaded grooves are provided on the inner wall of the connecting ring 8 and the outer wall of the air intake pipe 7.
[0025] The outer wall of the air inlet pipe 7 and the inner wall of the connecting swivel 8 are threadedly connected together. A fixed adjustment rod 9 is fixedly installed on the upper wall of the connecting swivel 8. The outer wall of the fixed adjustment rod 9 is a conical surface that increases from top to bottom.
[0026] A connecting sleeve 11 is fixedly mounted on the upper wall of the connecting swivel 8 . The inner wall of the connecting sleeve 11 is a tapered surface that increases from top to bottom. The taper of the inner wall of the connecting sleeve 11 is the same as the taper of the outer wall of the fixed adjusting rod 9 .
[0027] An air intake connecting pipe 12 is fixedly mounted on the upper wall of the connecting sleeve 11 . A second air intake hole 13 is formed on the upper wall of the connecting sleeve 11 . The inner wall of the second air intake hole 13 is a tapered surface that decreases from top to bottom.
[0028] The upper wall surface of the air intake duct 7 is provided with a first air intake hole 10 penetrating the upper wall surface thereof. There are a plurality of first air intake holes 10 , and the plurality of first air intake holes 10 are evenly distributed.
[0029] A plurality of second air inlet holes 13 are provided, and the plurality of second air inlet holes 13 are evenly distributed on the upper side wall surface of the air inlet connecting pipe 12 .
[0030] During use of the utility model, by rotating the connecting ring 8 in the forward direction, the connecting ring 8 will move downward along the outer wall of the intake pipe 7, and the connecting sleeve 11 will move downward with the intake connecting pipe 12. Since the inner wall of the connecting sleeve 11 is a conical surface that increases from top to bottom, and the outer wall of the fixed adjusting rod 9 is a conical surface that increases from top to bottom, the gap between the fixed adjusting rod 9 and the connecting sleeve 11 can be reduced, and the amount of air entering can be reduced. In addition, since the inner wall of the connecting pipe 3 is a conical surface that decreases from top to bottom, the pressure of the gas inside the intake connecting pipe 12 can be increased.
[0031] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.
Claims
1. A double venturi tube for a combustion device, comprising a first venturi tube (1) and a second venturi tube (14), wherein the first venturi tube (1) is located in front of the second venturi tube (14), and the upper outer walls of the first venturi tube (1) and the second venturi tube (14) are both sealedly connected to a pressurized air pipe, characterized in that: The upper side walls of the two groups of boost air pipes are sealed and connected with a sealed connection box (2), the interiors of the two groups of sealed connection boxes (2) are mutually connected with the interiors of the boost air pipes on the same side, the upper side walls of the two groups of sealed connection boxes (2) are provided with a connecting pipe (3), the connecting pipe (3) is concave, and an air intake mechanism capable of controlling the size of the gas is provided on the connecting pipe (3), the two groups of vertical ends of the connecting pipe (3) are sealed and connected with the upper side wall of the sealed connection box (2) on the same side, the interiors of the connecting pipe (3) are mutually connected with the interiors of the two groups of sealed connection boxes (2), and the interiors of the two groups of sealed connection boxes (2) are mutually connected. Both are movably mounted with sealing blocks (5) in a sealing manner, and both groups of sealing blocks (5) are mutually adapted to the inside of the two groups of first air inlet holes (10), and both the wall surfaces of the two groups of sealing blocks (5) are rotatably mounted with position adjustment rods (6), and both the outer walls of the two groups of position adjustment rods (6) are provided with threaded grooves, and the rear side position adjustment rod (6) is threadedly connected to the rear side wall surface of the sealing connection box (2) on the same side, and the front side position adjustment rod (6) is threadedly connected to the front side wall surface of the sealing connection box (2) on the same side, and both the wall surfaces of the two groups of position adjustment rods (6) are fixedly mounted with adjustment knobs for facilitating their rotation.
2. The double venturi for combustion device according to claim 1, characterized in that: The air intake mechanism comprises an air intake pipe (7), the air intake pipe (7) is sealedly connected to the upper wall surface of the connecting pipe (3), the interior of the air intake pipe (7) and the interior of the connecting pipe (3) are mutually connected, the outer wall of the air intake pipe (7) is provided with a rotatable connecting ring (8), and the inner wall of the connecting ring (8) and the outer wall of the air intake pipe (7) are both provided with thread grooves.
3. The double venturi for combustion device according to claim 2, characterized in that: The outer wall of the air intake pipe (7) and the inner wall of the connecting swivel (8) are threadedly connected together, and a fixed adjustment rod (9) is fixedly installed on the upper wall surface of the connecting swivel (8), and the outer wall of the fixed adjustment rod (9) is a conical surface that increases from top to bottom.
4. The double venturi for combustion device according to claim 3, characterized in that: A connecting sleeve (11) is fixedly mounted on the upper side wall of the connecting swivel (8), and the inner wall of the connecting sleeve (11) is a tapered surface that increases from top to bottom, and the taper of the inner wall of the connecting sleeve (11) is the same as the taper of the outer wall of the fixed adjustment rod (9).
5. The double venturi for combustion device according to claim 4, characterized in that: An air intake connecting pipe (12) is fixedly mounted on the upper side wall of the connecting sleeve (11), a second air intake hole (13) is opened on the upper side wall of the air intake connecting pipe (12), and the inner wall of the second air intake hole (13) is a conical surface that decreases from top to bottom.
6. The double venturi for combustion device according to claim 5, characterized in that: The upper side wall of the air intake duct (7) is provided with a first air intake hole (10) penetrating the upper side wall thereof, and a plurality of first air intake holes (10) are provided, and the plurality of first air intake holes (10) are evenly distributed.
7. The double venturi for combustion device according to claim 6, characterized in that: A plurality of the second air inlet holes (13) are provided, and the plurality of second air inlet holes (13) are evenly distributed on the upper side wall surface of the air inlet connecting pipe (12).