CN216261555U

CN216261555U - Pneumatic rotary centrifugal nozzle

Info

Publication number: CN216261555U
Application number: CN202122832500.XU
Authority: CN
Inventors: 吴晓培
Original assignee: Xingtai Yanerxin Machinery Manufacturing Factory
Current assignee: Xingtai Yanerxin Machinery Manufacturing Factory
Priority date: 2021-11-18
Filing date: 2021-11-18
Publication date: 2022-04-12
Anticipated expiration: 2031-11-18

Abstract

The utility model provides a pneumatic rotary centrifugal sprayer, and relates to the technical field of rotary sprayers. This pneumatic rotatory centrifugal spray head includes: an outer sleeve; the outer sleeve is provided with: a lumen; an air inlet and an air outlet; the two air holes are communicated with the tube cavity; the rotating pipe is pivoted in the pipe cavity; the fan blades are arranged on the outer wall of the rotating pipe; the rotating head is fixed on the rotating pipe; the inner feeding pipe is fixed on the outer sleeve and is arranged in the rotating pipe and the rotating head; wherein, the air current through two gas pockets can promote the fan blade and drive rotatory pipe and rotating head rotation. The pneumatic rotary centrifugal sprayer solves the technical problem that the existing rotary sprayer realizes rotary spraying in a mechanical transmission mode, and has complex structure and heavy weight to influence use.

Description

Pneumatic rotary centrifugal nozzle

Technical Field

The utility model relates to the technical field of rotary nozzles, in particular to a pneumatic rotary centrifugal nozzle.

Background

The rotary spray head is a key component in the mortar spraying machine, and the mortar spraying machine can spray a layer of mortar on the inner peripheral walls of the well pipe and the pipeline through the rotary spray head, so that the performances of moisture resistance, corrosion resistance, weathering resistance and the like of the well wall and the pipe wall are improved.

The existing rotary spray head realizes rotary spraying in a mechanical transmission mode, and has the defects of complex structure and heavy weight to influence use.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a pneumatic rotary centrifugal sprayer, which solves the technical problems that the existing rotary sprayer realizes rotary spraying in a mechanical transmission mode, and the structure is complex and the use is affected due to heavy weight.

The utility model discloses the scheme:

the utility model provides a pneumatic rotary centrifugal nozzle, comprising: an outer sleeve; the outer sleeve is provided with: a lumen; an air inlet and an air outlet; the two air holes are communicated with the tube cavity; a rotating tube pivotally connected within the lumen; the fan blades are arranged on the outer wall of the rotating pipe; a rotary head secured to the rotary tube; an inner feed tube fixed to the outer sleeve and disposed within the swivel tube and the swivel head; the fan blade can be pushed by the airflow through the two air holes to drive the rotating pipe and the rotating head to rotate.

Further, the outer tube is equipped with near the one end of feeding: an annular portion; the one end fixedly connected with of the ejection of compact of outer tube: a flange ring; the both ends of rotatory pipe are equipped with respectively: a connecting portion; the connecting part is respectively pivoted to the annular part and the flange ring through a bearing.

Further, the cross section of the tube cavity is oval.

Furthermore, the air inlet hole and the air outlet hole are arranged on the end wall of one end, close to the feeding end, of the outer sleeve at intervals, and the two holes extend inwards and are communicated with the tube cavity.

Further, the outer peripheral wall of the rotating pipe is axially provided with: the strip-shaped grooves are arranged around the peripheral wall at intervals; the fan blades are respectively connected with the strip-shaped grooves in a sliding mode.

Further, the rotary head includes: the connecting ring is sleeved and fixed at the end part of the rotating pipe; a top cover; the centrifugal sheet is arranged between the connecting ring and the top cover at intervals.

Further, the part of interior inlet pipe near the feed end fixedly connected with: the annular sleeve is fixedly connected to one end, close to the feeding, of the outer sleeve, and the annular sleeve is provided with an air inlet hole and an air outlet hole which correspond to the air inlet hole and the air outlet hole; the air inlet of the annular sleeve is connected with: an air inlet pipe.

Further, the inner feeding pipe is provided with a material inlet pipe and a material outlet pipe, wherein the material inlet pipe is close to the peripheral wall of the material outlet end: and the discharge hole is arranged around the peripheral wall of the inner feeding pipe.

Further, the method also comprises the following steps: and the flange cover is fixedly connected with the flange ring and the outer sleeve through fasteners.

Has the advantages that:

the utility model provides a pneumatic rotary centrifugal nozzle, wherein a rotary pipe is sleeved on an inner feeding pipe, an outer sleeve is sleeved on the rotary pipe, the inner feeding pipe is fixedly connected with the outer sleeve, and the rotary pipe is pivoted with the outer sleeve, so that the rotary pipe and a rotary head fixedly connected with the rotary pipe can rotate relative to the inner feeding pipe and the outer sleeve; the outer sleeve is provided with an air inlet and an air outlet which are communicated with the tube cavity, and the outer wall of the rotating tube is provided with a fan blade; therefore, the air flow passing through the two air holes can push the fan blade to drive the rotating pipe and the rotating head to rotate.

Therefore, compared with the prior art, the rotary centrifugal nozzle can realize the rotation of the nozzle in a pneumatic mode, and has simple structure and convenient use.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.

Fig. 1 is a schematic structural diagram of a pneumatic rotary centrifugal nozzle provided in this embodiment;

fig. 2 is a schematic structural view of a disassembled part of the pneumatic rotary centrifugal nozzle provided in this embodiment;

fig. 3 is a schematic structural diagram of an outer sleeve of the pneumatic rotary centrifugal nozzle according to this embodiment, where the outer sleeve in fig. 2 is a schematic structural diagram of another view angle.

Icon:

100-outer sleeve; 110-a lumen; 120-an air intake; 130-vent hole; 140-a ring-shaped portion;

200-rotating the tube; 210-a connecting portion; 211-a limiting groove; 220-a strip-shaped groove;

300-fan blades;

400-rotating the head; 410-a connecting ring; 420-a top cover; 430-centrifugal plate;

500-inner feed pipe; 510-a discharge hole;

600-a flange ring;

700-an annular sleeve;

800-air inlet pipe;

900-flange cover.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings or orientations or positional relationships that the products of the present invention are conventionally placed in use, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the description refers must have a specific orientation, be constructed in a specific orientation, and be operated, and thus should not be construed as limiting the present invention.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and the like are to be construed broadly and include, for example, fixed connections, detachable connections, or integral connections; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Some embodiments of the utility model are described in detail below with reference to the accompanying drawings. The embodiments described below and the features of the embodiments can be combined with each other without conflict.

The present embodiment provides a pneumatic rotary centrifugal nozzle, as shown in fig. 1 to 3, including: an outer sleeve 100; the outer sleeve 100 is provided with: a lumen 110; an intake hole 120 and an exhaust hole 130; the two air holes are communicated with the tube cavity 110; a rotating tube 200, the rotating tube 200 being pivoted in the lumen 110; the fan blade 300 is arranged on the outer wall of the rotating pipe 200; a spin head 400, the spin head 400 being fixed to the spin tube 200; an inner feed pipe 500, the inner feed pipe 500 being fixed to the outer sleeve 100 and disposed inside the spin tube 200 and the spin head 400; wherein, the airflow passing through the two air holes can push the fan blade 300 to drive the rotary pipe 200 and the rotary head 400 to rotate.

Specifically, the rotary tube 200 is sleeved outside the inner feed tube 500, the outer sleeve 100 is sleeved outside the rotary tube 200, the inner feed tube 500 is fixedly connected with the outer sleeve 100, and the rotary tube 200 is pivoted with the outer sleeve 100, so that the rotary tube 200 and the rotary head 400 fixedly connected with the rotary tube 200 can rotate relative to the inner feed tube 500 and the outer sleeve 100; moreover, the outer sleeve 100 is provided with an air inlet 120 and an air outlet 130 communicated with the tube cavity 110, and the outer wall of the rotary tube 200 is provided with a fan blade 300; therefore, the airflow passing through the two air holes can push the fan blade 300 to drive the rotary pipe 200 and the rotary head 400 to rotate.

In this embodiment, the end of the outer sleeve 100 near the feeding is provided with: an annular portion 140; the outer sleeve 100 is fixedly connected to the end close to the discharge: a flange ring 600; both ends of the rotary pipe 200 are respectively provided with: a connecting portion 210; the connecting portion 210 is pivotally connected to the annular portion 140 and the flange ring 600 by a bearing, respectively.

Specifically, the annular portion 140 and the outer sleeve 100 are integrally formed, and the inner peripheral wall of the annular portion 140 is press-fitted with bearings, and meanwhile, the flange ring 600 is also press-fitted with bearings, and the connecting portions 210 at the two ends of the rotating pipe 200 are pivotally mounted on the two bearings to realize pivotal connection; preferably, the outer diameter of the connecting portion 210 at the two ends of the rotating tube 200 is smaller than the outer diameter of the middle portion of the rotating tube 200, so that the rotating tube 200 is conveniently pivoted and axially limited, and the friction force applied to the two ends of the fan blade 300 is reduced to facilitate sliding.

In this embodiment, the cross-section of the lumen 110 is elliptical.

Specifically, the cross section of the lumen 110 is elliptical, which provides a structural basis for the fan blade 300 to slide out under centrifugal force or slide in under the supporting force of the lumen wall.

In this embodiment, the air inlet hole 120 and the air outlet hole 130 are spaced apart from the end wall of the outer sleeve 100 near the end of the feed material, and extend inwardly to communicate with the tube cavity 110.

Specifically, two air holes are arranged at intervals at the end part of the outer sleeve 100 close to one end of the feeding material, and extend axially inwards from the end wall and then extend radially inwards to be communicated with the tube cavity 110; compared with the structure of the side wall, the structure of the two air holes with the openings arranged on the end wall is convenient for the air inlet pipe 800 to be axially arranged, and the space around the spray head is not occupied.

In this embodiment, the outer circumferential wall of the rotary pipe 200 is provided with: the strip-shaped grooves 220, the strip-shaped grooves 220 are arranged around the peripheral wall at intervals; the fan blades 300 are respectively connected to the strip-shaped grooves 220 in a sliding manner.

Specifically, the fan blade 300 continuously slides out of the strip-shaped groove in the process of rotating along with the rotating pipe 200, wherein the fan blade 300 gradually rotates from the narrow part of the elliptical pipe cavity 110 to the wide part (namely, gradually rotates from the intersection point of the elliptical short axis and the ellipse to the intersection point of the elliptical long axis and the ellipse; the outlet of the external air inlet 120 is arranged between the wide part and the narrow part), the fan blade 300 gradually and radially slides out of the strip-shaped groove 220 to abut against the cavity wall under the action of centrifugal force, then the fan blade 300 gradually slides into the strip-shaped groove 220 under the action of the supporting force of the cavity wall in the process of gradually rotating from the wide part to the narrow part, and meanwhile, the part, which is exposed out of the strip-shaped groove 220, of the fan blade 300 is pushed by airflow in the process so as to drive the rotating pipe 200 to rotate; wherein, the lumen 110 can make the rotating tube 200 rotate faster by adopting an elliptical design; in addition, the number of the strip-shaped grooves 220 and the number of the wind vanes 300 are the same and are preferably 4.

In this embodiment, the spin head 400 includes: a connection ring 410, wherein the connection ring 410 is sleeved and fixed at the end of the rotary pipe 200; a top cover 420; the centrifugal plate 430, the centrifugal plate 430 is installed between the connection ring 410 and the top cover 420 at intervals.

Specifically, the peripheral wall of the connecting portion 210 of the rotating tube 200 close to the discharge port is provided with a plurality of limiting grooves 211 in a surrounding manner, and the connecting ring 410 is fixed in the limiting grooves 211 in a sleeved manner by radially arranged fasteners; two ends of the centrifugal sheet 430 are respectively inserted into the connecting ring 410 and the top cover; the centrifugal plates 430 are arranged at intervals around the inner feeding pipe 500, and the mortar is uniformly sprayed out through the gaps between the centrifugal plates 430.

In this embodiment, the portion of inner feeding pipe 500 near the feed end is fixedly connected with: the annular sleeve 700, the annular sleeve 700 is fixedly connected to one end of the outer sleeve 100 close to the feeding, and the annular sleeve 700 is provided with an air inlet hole and an air outlet hole corresponding to the air inlet hole 120 and the air outlet hole 130; the air inlet of the annular sleeve 700 is connected with: an intake pipe 800.

Specifically, the inner feeding pipe 500 is fixedly connected to the end of the outer casing 100 through the annular sleeve 700, and meanwhile, the air inlet pipe 800 preset on the annular sleeve 700 facilitates quick connection with the air supply pipeline.

In this embodiment, the inner feeding pipe 500 is provided with, near the peripheral wall of the discharging end: a discharge hole 510, the discharge hole 510 being provided around the peripheral wall of the inner feed pipe 500.

Specifically, the discharge holes 510 are uniformly arranged around the peripheral wall of the inner feeding pipe 500 near the outlet, and are used for matching with the rotating head 400 to uniformly spray mortar.

In this embodiment, the method further includes: and the flange cover 900, wherein the flange cover 900 is fixedly connected with the flange ring 600 and the outer sleeve 100 through fasteners.

Specifically, the flange cover 900, the flange ring 600 and the outer sleeve 100 are detachably and fixedly connected together by a fastener, so as to facilitate installation of the rotary pipe 200.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the utility model has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.

Claims

1. A pneumatically rotated centrifugal spray head, comprising:

an outer sleeve (100); the outer sleeve (100) is provided with:

a lumen (110);

inlet hole (120)

And an exhaust hole (130); the two air holes are communicated with the tube cavity (110);

a rotating tube (200), the rotating tube (200) being pivoted within the lumen (110);

the fan blade (300), the said fan blade (300) is set up in the outer wall of the said rotary pipe (200);

a swivel head (400), the swivel head (400) being fixed to the swivel tube (200);

an inner feed tube (500), the inner feed tube (500) being fixed to the outer sleeve (100) and disposed within the rotary tube (200) and the rotary head (400);

the fan blade (300) can be pushed by the airflow passing through the two air holes to drive the rotating pipe (200) and the rotating head (400) to rotate.

2. Pneumatic rotary centrifugal sprayer according to claim 1, characterized in that the end of the outer sleeve (100) close to the feed is provided with:

an annular portion (140); one end of the outer sleeve (100) close to the discharging is fixedly connected with:

a flange ring (600); the two ends of the rotating pipe (200) are respectively provided with:

a connecting portion (210); the connecting portion (210) is pivotally connected to the annular portion (140) and the flange ring (600) by bearings, respectively.

3. A pneumatic rotary centrifuge sprayer according to claim 1 or 2, wherein said tube chamber (110) has an oval cross-section.

4. A pneumatic rotary centrifuge sprayer according to claim 1 or 2, wherein said air inlet (120) and said air outlet (130) are spaced apart from the end wall of said outer sleeve (100) near the end where the feed is located, and both holes extend inwardly and communicate with said chamber (110).

5. Pneumatic rotary centrifugal sprayer according to claim 3, characterized in that said peripheral wall of said rotating tube (200) is axially provided with:

the strip-shaped grooves (220), the strip-shaped grooves (220) are arranged around the peripheral wall at intervals; the fan blades (300) are respectively connected to the strip-shaped grooves (220) in a sliding mode.

6. Pneumatic rotary centrifugal sprayer according to any one of claims 1, 2, 5, characterized in that said rotary head (400) comprises:

the connecting ring (410), the connecting ring (410) is fixed on the end of the rotating pipe (200) in a sleeving manner;

a top cover (420);

the centrifugal sheet (430), the centrifugal sheet (430) is installed between the connecting ring (410) and the top cover (420) at intervals.

7. Pneumatic rotary centrifugal sprayer according to claim 4, characterized in that the inner feed pipe (500) is fixedly connected to the feed end in a position close to the feed end:

the annular sleeve (700) is fixedly connected to one end, close to the feeding, of the outer sleeve (100), and the annular sleeve (700) is provided with an air inlet hole and an air outlet hole which correspond to the air inlet hole (120) and the air outlet hole (130); the air inlet of the annular sleeve (700) is connected with:

an intake pipe (800).

8. Pneumatic rotary centrifugal sprayer according to claim 6, characterized in that the peripheral wall of the inner feed pipe (500) close to the discharge end is provided with:

a discharge aperture (510), the discharge aperture (510) disposed around a peripheral wall of the inner feed tube (500).

9. The pneumatic rotary centrifugal sprayer of claim 2, further comprising:

a flange cover (900), the flange cover (900) being fixedly connected with the flange ring (600) and the outer sleeve (100) by fasteners.