CN219502985U - Venturi ejector with adjustable nozzle - Google Patents
Venturi ejector with adjustable nozzle Download PDFInfo
- Publication number
- CN219502985U CN219502985U CN202320361129.XU CN202320361129U CN219502985U CN 219502985 U CN219502985 U CN 219502985U CN 202320361129 U CN202320361129 U CN 202320361129U CN 219502985 U CN219502985 U CN 219502985U
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- nozzle
- conical
- positioning block
- cylinder body
- blocking block
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Abstract
The utility model belongs to the technical field of venturi ejectors, and discloses a venturi ejector with an adjustable nozzle, which comprises a cylinder body and the nozzle arranged on the cylinder body, wherein the nozzle is arranged at the top of the cylinder body in an penetrating way and is integrally formed with the cylinder body, a conical blocking block is arranged in the nozzle and close to the ejection end part of the nozzle, and an adjusting device capable of driving the conical blocking block to lift is arranged in the cylinder body. According to the scheme, the design of integrally forming the nozzle and the cylinder body is kept, the tightness of the ejector is guaranteed, the conical blocking block is additionally arranged in the nozzle, the conical blocking block lifting adjusting device can be driven, the gap between the conical blocking block and the nozzle jacket is adjusted by changing the position of the conical blocking block, the airflow speed in the nozzle is changed by changing the flow passage area of the nozzle injection, and the size of the negative pressure area around the nozzle and the size of the negative pressure degree are changed.
Description
Technical Field
The utility model relates to the technical field of venturi ejectors, in particular to a venturi ejector with an adjustable nozzle.
Background
The venturi injector adopts venturi tube, and uses fan or Roots blower, and can be used for conveying material to place except 100 m by means of pipeline under the pressure of about 0.5 bar. The working principle is as follows: the venturi ejector adopts positive pressure air generated by a blower to generate suction when flowing through the ejector, sucks materials above the ejector, and enables the materials to convey powder, particles and bulk materials in a positive pressure pneumatic conveying system.
At present, most nozzles of venturi ejectors are integrally arranged on an ejector cylinder body, and the ejectors have good sealing performance, but cannot adjust the jet air flow and the jet air flow speed of the nozzles; also partly detachable nozzle type venturi injectors, such as the one disclosed in CN213590828U with adjustable nozzle, which can be more different in size and flow rate according to the requirements, but have poor sealing effect, which affects the use effect of the venturi injector.
Disclosure of Invention
In view of the problems in the prior art, an object of the present utility model is to provide a nozzle-adjustable venturi injector.
In order to solve the problems, the utility model adopts the following technical scheme.
The utility model provides a venturi sprayer with adjustable nozzle, includes the barrel and sets up the nozzle on the barrel, the nozzle alternates the top that sets up at the barrel and with barrel integrated into one piece, in the nozzle and be close to its injection tip and be provided with the toper shutoff piece, install the adjusting device that can drive toper shutoff piece and go up and down in the barrel.
As a further description of the above technical solution: the adjusting device comprises a positioning block, the positioning block is fixedly arranged in the nozzle, a threaded rod and a limiting rod are arranged on the positioning block in an inserted mode, the bottom ends of the threaded rod and the limiting rod are fixedly connected with the top of the conical blocking block, and a driving assembly for driving the threaded rod to lift on the positioning block is arranged in the nozzle.
As a further description of the above technical solution: the driving assembly comprises a rotating thread sleeve which is inserted on the positioning block through a bearing, the threaded rod is in threaded connection with the thread sleeve, a conical transmission gear fixedly connected with the threaded rod is sleeved on the outer side of the thread sleeve, a conical driving gear is meshed with the bottom of the conical transmission gear, a rotating shaft is fixedly connected to the left side of the conical driving gear, a sealing ring is connected to the rotating shaft in a rotating mode, the sealing ring is fixedly installed on the left side wall of the nozzle, and the left end of the rotating shaft extends to the outer side of the nozzle.
As a further description of the above technical solution: the right side of the conical driving gear is reserved with the distance from the left sides of the positioning block and the conical blocking block, and the positioning block is detachably arranged in the nozzle through two groups of mounting assemblies.
As a further description of the above technical solution: the two groups of installation components comprise installation blocks, the two groups of installation blocks are respectively and fixedly installed on the front and rear sides of the inner wall close to the air inlet of the nozzle, the two installation blocks are fixedly provided with connecting rods through bolts, and the two connecting rods are respectively and fixedly connected with the front side and the rear side of the positioning block.
As a further description of the above technical solution: the top of threaded rod and gag lever post is all fixedly connected with stopper.
Compared with the prior art, the utility model has the advantages that:
(1) according to the scheme, the design of integrally forming the nozzle and the cylinder body is kept, the tightness of the ejector is guaranteed, the conical blocking block is additionally arranged in the nozzle, the conical blocking block lifting adjusting device can be driven, the gap between the conical blocking block and the nozzle jacket is adjusted by changing the position of the conical blocking block, the airflow speed in the nozzle is changed by changing the flow passage area of the nozzle injection, and the size of the negative pressure area around the nozzle and the size of the negative pressure degree are changed.
(2) According to the scheme, the distance reserved between the conical driving gear and the positioning block as well as between the conical driving gear and the conical blocking block is reserved in structural design, and the installation assembly is matched, so that the installation and the disassembly of the adjusting device are convenient, and the installation process is simplified.
Drawings
FIG. 1 is a schematic diagram of the structure of the present utility model;
FIG. 2 is an enlarged view of the adjustment device of FIG. 1 in accordance with the present utility model;
fig. 3 is a side cross-sectional view of a nozzle in accordance with the present utility model.
The reference numerals in the figures illustrate:
1. a cylinder; 2. a nozzle; 3. a conical block; 4. an adjusting device; 41. a positioning block; 42. a threaded rod; 43. a limit rod; 44. a limiting block; 5. a drive assembly; 51. a thread sleeve; 52. a conical drive gear; 53. a conical drive gear; 54. a rotation shaft; 55. a seal ring; 6. a mounting assembly; 61. a mounting block; 62. and (5) connecting a rod.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model;
example 1
Referring to fig. 1-2, a venturi injector with adjustable nozzle includes a cylinder 1 and a nozzle 2 disposed on the cylinder 1, wherein the nozzle 2 is inserted into the top of the cylinder 1 and integrally formed with the cylinder 1, a conical block 3 is disposed in the nozzle 2 and near the injection end thereof, and an adjusting device 4 capable of driving the conical block 3 to lift is installed in the cylinder 1.
According to the structure, the tightness of the injector is ensured by keeping the design of integrally forming the nozzle 2 and the cylinder body 1, the conical block 3 and the lifting adjusting device 4 capable of driving the conical block 3 are additionally arranged in the nozzle 2, the gap between the conical block 3 and the outer sleeve of the nozzle 2 is adjusted by changing the position of the conical block 3, and then the airflow speed in the nozzle 2 is changed by changing the flow passage area of the injection of the nozzle 2, so that the size of the negative pressure area around the nozzle 2 and the size of the negative pressure are changed.
Specifically, adjusting device 4 includes locating piece 41, and locating piece 41 fixed mounting is provided with threaded rod 42 and gag lever post 43 in the nozzle 2 on the locating piece 41 interlude, and threaded rod 42 and gag lever post 43's bottom all is fixed connection with the top of toper shutoff piece 3, is provided with the drive assembly 5 that drive threaded rod 42 goes up and down on locating piece 41 in the nozzle 2. The driving assembly 5 comprises a rotating thread sleeve 51 which is inserted on the positioning block 41 through a bearing, the threaded rod 42 is in threaded connection with the thread sleeve 51, a conical transmission gear 52 fixedly connected with the threaded sleeve 51 is sleeved on the outer side of the threaded sleeve 51, a conical driving gear 53 is meshed with the bottom of the conical transmission gear 52, a rotating shaft 54 is fixedly connected to the left side of the conical driving gear 53, a sealing ring 55 is rotatably connected to the rotating shaft 54, the sealing ring 55 is fixedly installed on the left side wall of the nozzle 2, and the left end of the rotating shaft 54 extends to the outer side of the nozzle 2.
The adjusting device 4 drives the threaded sleeve 51 to rotate through the transmission of the conical driving gear 53 and the conical transmission gear 52 by rotating the rotating shaft 54 in the driving assembly 5, and simultaneously cooperates with the limit of the limit rod 43 and the limit block 41 to enable the threaded rod 42 to lift and further drive the conical blocking 3 to change in position.
The top ends of the threaded rod 42 and the limiting rod 43 are fixedly connected with a limiting block 44, and the limiting block 44 can prevent the threaded rod 42 and the limiting rod 43 from separating from the positioning block 41, thereby affecting the flow regulation of the nozzle 2.
Example two
Referring to fig. 1-3, in order to facilitate the installation and the disassembly of the adjusting device 4, a distance is reserved between the right side of the conical driving gear 53 and the left side of the positioning block 41 and the conical blocking 3, the conical driving gear 52 and the conical driving gear 53 are in a lap joint engagement state, and the positioning block 41 is detachably installed in the nozzle 2 through two sets of installation components 6.
The two groups of mounting assemblies 6 comprise mounting blocks 61, the two groups of mounting blocks 61 are respectively and fixedly mounted on the front and rear sides of the inner wall close to the air inlet of the nozzle 2, connecting rods 62 are fixedly mounted on the two mounting blocks 61 through bolts, the two connecting rods 62 are respectively and fixedly connected with the front and rear sides of the positioning block 41, after the bolts are disassembled, the positioning block 41 and the parts such as the threaded sleeve 51, the threaded rod 42, the conical blocking block 3 and the like connected with the positioning block 41 can be disassembled from the nozzle 2 through the connecting rods 62, and the rotating shaft 54 and the conical driving gear 53 are disassembled only by taking down the sealing ring 55 from the nozzle;
on the contrary, after the sealing ring 55 is assembled, the conical blocking 3 is inserted into the nozzle 2 through the limiting rod 43, the conical transmission gear 52 is lapped on the conical driving gear 53, the two connecting rods 62 are installed on the installation block 61 through bolts, and the adjusting device 4 is convenient to assemble and disassemble.
The above description is only of the preferred embodiments of the present utility model; the scope of the utility model is not limited in this respect. Any person skilled in the art, within the technical scope of the present disclosure, may apply to the present utility model, and the technical solution and the improvement thereof are all covered by the protection scope of the present utility model.
Claims (6)
1. The utility model provides a venturi sprayer with adjustable nozzle, includes barrel (1) and sets up nozzle (2) on barrel (1), its characterized in that: the spray nozzle (2) is arranged on the top of the cylinder body (1) in an penetrating mode and is integrally formed with the cylinder body (1), a conical blocking block (3) is arranged in the spray nozzle (2) and close to the spray end portion of the spray nozzle, and an adjusting device (4) capable of driving the conical blocking block (3) to lift is arranged in the cylinder body (1).
2. A nozzle-adjustable venturi injector according to claim 1, wherein: the adjusting device (4) comprises a positioning block (41), the positioning block (41) is fixedly arranged in the nozzle (2), a threaded rod (42) and a limiting rod (43) are arranged on the positioning block (41) in an inserted mode, the bottom ends of the threaded rod (42) and the limiting rod (43) are fixedly connected with the top of the conical blocking block (3), and a driving assembly (5) for driving the threaded rod (42) to lift on the positioning block (41) is arranged in the nozzle (2).
3. A nozzle-adjustable venturi injector according to claim 2, wherein: the driving assembly (5) comprises a threaded sleeve (51) which is inserted on a positioning block (41) through a bearing, the threaded rod (42) is in threaded connection with the threaded sleeve (51), a conical transmission gear (52) fixedly connected with the threaded sleeve (51) is sleeved on the outer side of the threaded sleeve, a conical driving gear (53) is meshed with the bottom of the conical transmission gear (52), a rotating shaft (54) is fixedly connected to the left side of the conical driving gear (53), a sealing ring (55) is connected to the rotating shaft (54) in a rotating mode, the sealing ring (55) is fixedly installed on the left side wall of the nozzle (2), and the left end of the rotating shaft (54) extends to the outer side of the nozzle (2).
4. A nozzle-adjustable venturi injector according to claim 3, wherein: the right side of the conical driving gear (53) is reserved with the left sides of the positioning block (41) and the conical blocking block (3), and the positioning block (41) is detachably arranged in the nozzle (2) through two groups of mounting assemblies (6).
5. A nozzle-adjustable venturi injector according to claim 4, wherein: the two groups of installation components (6) comprise installation blocks (61), the two groups of installation blocks (61) are respectively and fixedly installed on the front and the rear of the inner wall close to the air inlet of the nozzle (2), the two installation blocks (61) are fixedly provided with connecting rods (62) through bolts, and the two connecting rods (62) are respectively and fixedly connected with the front side and the rear side of the positioning block (41).
6. A nozzle-adjustable venturi injector according to claim 2, wherein: limiting blocks (44) are fixedly connected to the tops of the threaded rods (42) and the limiting rods (43).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320361129.XU CN219502985U (en) | 2023-03-02 | 2023-03-02 | Venturi ejector with adjustable nozzle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320361129.XU CN219502985U (en) | 2023-03-02 | 2023-03-02 | Venturi ejector with adjustable nozzle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219502985U true CN219502985U (en) | 2023-08-11 |
Family
ID=87526941
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320361129.XU Active CN219502985U (en) | 2023-03-02 | 2023-03-02 | Venturi ejector with adjustable nozzle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219502985U (en) |
-
2023
- 2023-03-02 CN CN202320361129.XU patent/CN219502985U/en active Active
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