CN218564160U - Vacuum generator - Google Patents

Abstract

The utility model discloses a vacuum generator, which comprises a connecting pipe, a mounting seat and an air intake pipe. The bottom of the mounting seat is provided with a threaded connection part, and the top of the mounting seat is recessed with a fixing hole for installing and fixing the connecting pipe. It is located on the side wall of the mounting base and can be rotated relative to the mounting base to realize air intake in different directions. There is a communication structure inside the mounting base, and the air intake pipe, the fixing hole and the threaded connection part are all connected to the communication structure. Therefore, when the utility model is actually used, the air intake pipe can be rotated according to needs to adjust different air intake directions. In addition, since the connecting pipe is installed and fixed in the external environment through the mounting base, the maintenance cost can also be effectively reduced.

Description

a vacuum generator

technical field

The utility model relates to the technical field of adsorption devices, in particular to a vacuum generator.

Background technique

As we all know, the vacuum generator is a new, efficient, clean, economical and small vacuum component that uses a positive pressure air source to generate negative pressure.

Existing vacuum components generally include an integrally formed connecting pipe, the air inlet and outlet of the connecting pipe are fixed, so if the installation space is insufficient or the position of the original air inlet is replaced by other If the device is blocked, it needs to be replaced with a vacuum generator of another structure. In addition, in actual use, the position where the connecting pipe is used to connect with an external device is prone to damage. At this time, the entire connecting pipe needs to be replaced, which increases the maintenance cost.

Therefore, there is an urgent need for a vacuum generator with an adjustable air inlet position to solve the above problems.

Utility model content

The utility model provides a vacuum generator aiming at the current technical deficiencies.

The technical scheme that the utility model adopts for realizing the above object is:

A vacuum generator, comprising a connecting pipe, a mounting seat and an air intake pipe, the bottom of the mounting seat is provided with a threaded connection part, and the top of the mounting seat is recessed with a fixing hole for the connecting pipe to be installed and fixed. The air intake pipe is installed on the side wall of the mounting base and can be rotated relative to the mounting base to realize air intake in different directions. A communication structure is opened in the mounting base. The connection parts are all in communication with the communication structure.

As a further improvement, the outer wall of the mounting seat is further provided with a screwing portion for screwing.

As a further improvement, the screw part is located between the fixing hole and the air intake pipe in the vertical direction.

As a further improvement, the cross section of the screw part is a regular hexahedron.

As a further improvement, several convex lines are provided on the outer wall of the connecting pipe, and the convex lines are arranged along the vertical direction.

As a further improvement, the plurality of protrusions are symmetrically arranged about the axis of the connecting pipe.

As a further improvement, the air intake pipe includes a horizontal portion arranged in the horizontal direction and a vertical portion arranged in the vertical direction, one end of the horizontal portion is in contact with the mounting base, and the other end of the horizontal portion is in contact with the mounting base. The vertical part is connected.

As a further improvement, the bottom end of the vertical part is provided with a butt joint, and the diameter of the butt joint is smaller than the diameter of the vertical part.

As a further improvement, an annular groove is recessed on the outer side wall of the abutting portion.

As a further improvement, the top of the inner wall of the fixing hole is provided with an annular inclined surface, and the annular inclined surface is inclined from top to bottom toward the center of the fixing hole.

Beneficial effects of the utility model: The vacuum generator of the utility model includes a connecting pipe, a mounting seat and an air intake pipe, the bottom of the mounting seat is provided with a threaded connection part, and the top of the mounting seat is recessed with a fixing hole for the connecting pipe to be installed and fixed. The air inlet pipe is installed on the side wall of the mounting seat and can be rotated relative to the mounting seat to realize air intake in different directions. A connecting structure is provided in the mounting seat, and the air inlet pipe, the fixing hole and the threaded connection part are all connected with the connecting structure. Therefore, when the utility model is actually used, the intake pipe can be rotated according to needs to adjust different intake directions. In addition, since the connecting pipe is installed and fixed in the external environment through the mounting base, the maintenance cost can also be effectively reduced.

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the vacuum generator of the present utility model;

Fig. 2 is a three-dimensional structural diagram of the vacuum generator of the present invention after the connecting pipe is removed.

Detailed ways

The following descriptions are only preferred embodiments of the present utility model, and therefore do not limit the protection scope of the present invention.

Please refer to Fig. 1 and Fig. 2, the vacuum generator 100 of the present utility model comprises connecting pipe 10, mounting base 20 and intake pipe 30, the bottom of mounting base 20 is provided with threaded connection part 21, and the top of mounting base 20 is recessed for The connecting pipe 10 is installed with a fixing hole 20a for fixing. The air intake pipe 30 is installed on the side wall of the mounting seat 20 and can be rotated relative to the mounting seat 20 to realize air intake in different directions. The connecting structure 20b is provided in the mounting seat 20. , the fixing hole 20a and the threaded connection portion 21 are all in communication with the communication structure 20b. Specifically, the outer wall of the mounting seat 20 is also provided with a screwing portion 22 for screwing. More specifically, the screw portion 22 is located between the fixing hole 20 a and the intake pipe 30 in the vertical direction. For example, the cross section of the screwing portion 22 is a regular hexahedron, but not limited thereto. The screwing part 22 can facilitate the operator to install the mounting base 20 stably in the external environment.

Please refer to FIG. 1 , a plurality of raised lines 11 are provided on the outer wall of the connecting pipe 10 , and the raised lines 11 are arranged along the vertical direction. The raised strip 11 structure can increase heat dissipation at the connecting pipe 10 . Preferably, several convex lines 11 are arranged symmetrically with respect to the axis of the connecting pipe 10 .

Please refer to FIG. 1 and FIG. 2 , the intake pipe 30 includes a horizontal portion 31 arranged in the horizontal direction and a vertical portion 32 arranged in the vertical direction, one end of the horizontal portion 31 is connected to the mounting base 20 , and the other end of the horizontal portion 31 It is in contact with the vertical portion 32 .

It is worth noting that the bottom end of the vertical portion 32 is provided with a docking portion 33 , the diameter of the docking portion 33 is smaller than that of the vertical portion 32 , and an annular groove 33 a is recessed on the outer sidewall of the docking portion 33 . In addition, the top of the inner wall of the fixing hole 20a is provided with an annular inclined surface 23, and the annular inclined surface 23 is arranged in an inclined manner from top to bottom toward the center of the fixing hole 20a. The setting of the annular inclined surface 23 is convenient The installation of the connecting pipe 10 by the operator.

Beneficial effects of the utility model: the vacuum generator 100 of the utility model includes a connecting pipe 10, a mounting seat 20 and an air intake pipe 30, the bottom of the mounting seat 20 is provided with a threaded connection part 21, and the top of the mounting seat 20 is recessed for connection. The pipe 10 is installed with a fixing hole 20a for fixing, and the air inlet pipe 30 is installed on the side wall of the mounting seat 20 and can rotate relative to the mounting seat 20 to realize air intake in different directions. The connecting structure 20b is provided in the mounting seat 20, and the air intake pipe 30, Both the fixing hole 20a and the threaded connection portion 21 communicate with the communication structure 20b. Therefore, in the actual use of the utility model, the air intake pipe 30 can be rotated according to the needs to adjust different air intake directions. In addition, since the connecting pipe 10 is installed and fixed in the external environment through the mounting base 20, the maintenance cost can also be effectively reduced. .

The utility model is not limited to the above-mentioned embodiments, and other vacuum generators obtained by adopting the same or similar structures or devices as the above-mentioned embodiments of the utility model are within the scope of protection of the utility model.

Claims (10)

1. A vacuum generator, characterized by: including connecting pipe, mount pad and intake pipe, the bottom of mount pad is provided with threaded connection portion, the sunken confession in top of mount pad the fixed orifices of fixed usefulness of connecting pipe installation, the intake pipe install in the lateral wall of mount pad can be relative the mount pad rotates and admits air in order to realize towards the equidirectional, open the open structure in the mount pad, the intake pipe the fixed orifices and threaded connection portion all with the open structure is linked together.

2. The vacuum generator of claim 1, wherein: the outer side wall of the mounting seat is further provided with a screwing part convenient for screwing.

3. The vacuum generator of claim 2, wherein: the screwing part is located between the fixing hole and the air inlet pipe in the vertical direction.

4. The vacuum generator of claim 3, wherein: the cross section of the screwing part is a regular hexahedron.

5. The vacuum generator of claim 1, wherein: a plurality of convex strips are arranged on the outer side wall of the connecting pipe, and the convex strips are arranged along the vertical direction.

6. The vacuum generator of claim 5, wherein: the raised strips are arranged in a central symmetry mode through the axis of the connecting pipe.

7. The vacuum generator of claim 1, wherein: the air inlet pipe comprises a horizontal part and a vertical part, the horizontal part is arranged in the horizontal direction, the vertical part is arranged in the vertical direction, one end of the horizontal part is connected with the mounting seat, and the other end of the horizontal part is connected with the vertical part.

8. The vacuum generator of claim 7, wherein: the bottom end of the vertical portion is provided with an abutting portion, and the diameter of the abutting portion is smaller than that of the vertical portion.

9. The vacuum generator of claim 8, wherein: the outer side wall of the butt joint part is sunken with an annular groove.

10. The vacuum generator of claim 1, wherein: the top of the inside wall of fixed orifices is provided with an annular inclined plane, annular inclined plane is personally submitted from top to bottom and is close to the central direction slope ground of fixed orifices arranges.

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