CN221120420U

CN221120420U - Novel high efficiency fan dish of easily installing

Info

Publication number: CN221120420U
Application number: CN202322476142.2U
Authority: CN
Inventors: 陆俊杰; 施曾城; 孙扬; 申嘉伟
Original assignee: Shanghai Nuoyu Testing Technology Co ltd
Current assignee: Shanghai Nuoyu Testing Technology Co ltd
Priority date: 2023-09-12
Filing date: 2023-09-12
Publication date: 2024-06-11
Anticipated expiration: 2033-09-12

Abstract

The utility model discloses a novel high-efficiency fan disc easy to install, which is characterized by comprising an air path disc, wherein an impeller with a circular structure is embedded in the air path disc, an exhaust hole is arranged in the center of the impeller, the exhaust hole is connected with an exhaust pipe through a rotary joint, and the bottom of the exhaust pipe is connected with a fan blade; the circumference evenly distributed of impeller has a plurality of groups to sweep the recess, the both sides of impeller are equipped with air inlet unit and air outlet unit respectively, air inlet unit and air outlet unit are corresponding with sweeping the recess, air inlet unit external air inlet end, air outlet unit passes through the pipe connection blast pipe. The utility model can be used for constructing the fan disc in extremely short time and adapting to corresponding instruments; the pressure requirement on the air source is very low, but the purging efficiency of the whole system is greatly superior to that of the traditional fan disc, the operation is more convenient, the working efficiency is greatly improved, and the risk of air leakage is reduced.

Description

Novel high efficiency fan dish of easily installing

Technical Field

The utility model relates to the technical field of blowing and installing of a fan disc and an impeller, in particular to a novel high-efficiency fan disc easy to install.

Background

The conventional fan tray is not an integral body, and each part is independently designed, and sometimes the fan blades cannot be accurately fixed on the casing due to slight deviation of the size, so that time is wasted and the success rate of one-time installation is not high. Even if the fan disc is successfully installed at the time, the phenomenon that the fan blades are separated from the impeller can occur under the long-time high temperature, and the purging effect is lost.

Secondly, the cost of the traditional fan disc is higher, the middle impeller is printed in a 3D mode, the connecting block between the fan blade and the impeller is required to be designed and designed independently, and the related cost is higher. Such situations often occur in actual installation sites, greatly delaying the operation of the entire instrument.

Disclosure of utility model

The utility model aims to provide the high-efficiency fan disc which can ensure the uniformity of heat transfer in a purged cavity, is not easy to twist off, has high durability and practicability, and is low in overall cost and easy to install.

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

The novel high-efficiency fan disc easy to install is characterized by comprising an air path disc, wherein an impeller with a circular structure is embedded in the air path disc, an exhaust hole is formed in the center of the impeller, the exhaust hole is connected with an exhaust pipe through a rotary joint, and the bottom of the exhaust pipe is connected with fan blades; the circumference evenly distributed of impeller has a plurality of groups to sweep the recess, the both sides of impeller are equipped with air inlet unit and air outlet unit respectively, air inlet unit and air outlet unit are corresponding with sweeping the recess, air inlet unit external air inlet end, air outlet unit passes through the pipe connection blast pipe.

Preferably, the air inlet device is embedded in the air path disc and comprises an air inlet pipe, the air inlet pipe corresponds to the purging groove on one side of the impeller, the top of the air inlet pipe is connected with an air inlet embedded on the air path disc through a pipeline, and the air inlet is externally connected with an air inlet end.

Preferably, the opening end of the air inlet pipe adopts a beveling structure, and the beveling structure of the opening end corresponds to the purging groove on one side of the impeller.

Preferably, the air outlet device comprises an air channel block fixedly arranged at the top of the air channel disc, an air channel pipe is arranged in the air channel block, one end of the air channel pipe is connected with an exhaust pipe in the center exhaust hole of the impeller through a pipeline, the other end of the air channel pipe is connected with an air outlet pipe through a pipeline, and the air outlet pipe corresponds to a purging groove at the other side of the impeller.

Preferably, the opening end of the air outlet pipe adopts a beveling structure, and the beveling structure of the opening end corresponds to the purging groove on the other side of the impeller.

Preferably, the air channel block is fastened on the top of the air channel disc through bolts.

Preferably, the impeller adopts a ring structure, an exhaust hole is arranged in the ring structure, and the exhaust hole is connected with the inner wall of the ring structure of the impeller through a bracket.

Preferably, the bottom section of the exhaust pipe is provided with four exhaust ports, and the exhaust ports are positioned above the fan blades.

Preferably, the fan blade adopts a plurality of fan blades of L-shaped structures, the fan blades of the L-shaped structures comprise horizontal sections and vertical sections, and the horizontal sections of the L-shaped structures are uniformly dispersed and arranged by taking the exhaust pipe as the center.

Preferably, one end of the vertical section of the L-shaped structure, which is close to the fan blade, adopts a chamfer structure.

Compared with the prior art, the utility model has the following beneficial effects:

The utility model is applied to a purging system of a positive pressure explosion-proof gas chromatograph:

1) The impeller and the fan blade of the device are made of aviation aluminum, have high strength, are lighter and more convenient, are resistant to high temperature and are not easy to deform, and compared with the traditional stainless steel and iron products, the impeller and the fan blade are not easy to twist off, and have high durability and practicability;

2) The device adopts a mode of tightly connecting the custom screw and the bearing up and down, is provided with the rubber sleeve, and performs insulation sealing treatment at key positions, so that the safety and the air tightness of the device are ensured, and the heat transfer uniformity in the purged cavity can be ensured;

3) Compared with the traditional fan disc, the whole device needs 0.5-1 mpa of purge gas, the purge gas can achieve the purge effect only by 0.001mpa, and the purge performance of the whole device is superior to that of other fan discs;

4) The whole device is small in size, can be manufactured in advance as a component, and is lower in overall cost than a traditional 3D printing fan disc.

Drawings

FIG. 1 is a perspective schematic view of a novel high efficiency fan tray for easy installation;

FIG. 2 is a schematic diagram of a perspective structure of a novel high-efficiency fan tray with easy installation according to the present utility model;

FIG. 3 is a schematic view of a novel easy-to-install impeller of a high efficiency fan tray according to the present utility model;

fig. 4 is a schematic perspective view of a novel high-efficiency fan tray easy to install according to the present utility model.

The numbers in the figure are as follows:

1. An air path disc; 2. an impeller; 3. a fan blade; 4. the air path block; 5. a bracket; 6. purging the groove; 7. an exhaust hole; 8. a rotary joint; 9. an exhaust pipe; 10. the gas path pipe; 11. an air outlet pipe; 12. an air inlet pipe; 13. an air inlet; 14. and an air outlet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

As shown in fig. 1 to 4, the utility model provides a novel high-efficiency fan disc easy to install, which comprises an air path disc 1, wherein an impeller 2 with a circular structure is embedded in the air path disc 1, an exhaust hole 7 is arranged in the center of the impeller 2, the exhaust hole 7 is connected with an exhaust pipe 9 through a rotary joint 8, and the bottom of the exhaust pipe 9 is connected with a fan blade 3; the circumference evenly distributed of impeller 2 has a plurality of groups to sweep recess 6, the both sides of impeller 2 are equipped with air inlet unit and air outlet unit respectively, air inlet unit embeds in gas circuit dish 1, including intake pipe 12, intake pipe 12 is corresponding with the recess that sweeps of impeller 2 one side, the top of intake pipe 12 is through the air inlet 13 of pipeline connection embedding on gas circuit dish 1, air inlet 13 external air inlet end. The air outlet device comprises an air channel block 4 fixedly arranged at the top of the air channel disc 1, an air channel pipe 10 is arranged in the air channel block 4, one end of the air channel pipe 10 is connected with an exhaust pipe 9 in the central exhaust hole 7 of the impeller 2 through a pipeline, the other end of the air channel pipe 10 is connected with an air outlet pipe 11 through a pipeline, and the air outlet pipe 11 corresponds to a purging groove on the other side of the impeller 2. The purging effect required by the experiment can be realized by only small pressure in the direction of the gas paths of the gas inlet device and the gas outlet device.

Further, in order to increase the intake air to the purge groove 6, the present utility model adopts a chamfer structure at the open end of the intake pipe 12, which corresponds to the purge groove on the side of the impeller 2.

Furthermore, the utility model is tightly connected with the machine shell through the screw in an adapting way, and no glue is needed to be applied, so that the follow-up falling off caused by high temperature is prevented.

Further, in order to increase the air inlet to the air outlet pipe 11, the utility model adopts a beveling structure at the opening end of the air outlet pipe 11, and the beveling structure of the opening end corresponds to the purging groove at the other side of the impeller 2, so that a great amount of air generated by the impeller 2 after rotation can enter the air outlet pipe 11.

Further, the air channel block 4 provided by the utility model is fastened on the top of the air channel plate 1 through bolts.

Further, the impeller 2 provided by the utility model adopts a circular ring structure, the circular ring structure is internally provided with the exhaust holes 7, and the exhaust holes 7 are connected with the inner wall of the circular ring structure of the impeller 2 through the bracket 5.

Further, the bottom section of the exhaust pipe 9 is provided with a plurality of exhaust ports 14, and the exhaust ports 14 are positioned above the fan blades 3. Under the premise of meeting the rotary purging requirement of the fan blade, purging gas can be timely discharged through the exhaust port 14, and the safety of the whole pipeline is ensured.

Furthermore, the impeller 2 and the fan blade 3 are made of hollow aluminum 7075, and the hollow aluminum 7075 is light in weight, does not deform and is resistant to high temperature.

Further, the fan blade 3 provided by the utility model adopts a plurality of L-shaped fan blades, each of the plurality of L-shaped fan blades comprises a horizontal section and a vertical section, the horizontal sections of the L-shaped structure are uniformly and dispersedly arranged by taking the exhaust pipe 9 as a center, and one end of the vertical section of the L-shaped structure, which is close to the fan blade 3, adopts a beveling structure. The fan blade with the L-shaped structure can sweep a larger area, is high-temperature resistant, is lighter in material and can not fall off in the follow-up process.

The working principle of the utility model is as follows:

The purge gas source of the air inlet end continuously enters the air inlet pipe 12 through the air inlet 13, the air inlet pipe 12 blows purge gas into the purge grooves 6 of the impeller 2, the continuous purge gas passes through the purge grooves 6 on the circumference of the impeller 2, the impeller 2 rotates, and the exhaust pipe 9 connected with the center of the impeller 2 through the rotary joint 8 drives the fan blades 3 to rotate together.

The purge gas generated by the rotation of the impeller 2 is collected through the air outlet pipe 11 at the other side of the impeller 2, the gas entering the air outlet pipe 11 enters the air channel pipe 10 in the air channel block 4 at the top of the air channel disc 1 through a pipeline, the air channel pipe 10 enters the exhaust pipe 9 through a pipeline, and finally the purge gas can be discharged from the bottom section of the exhaust pipe 9 through the exhaust ports 14 (four outlets), so that the positive pressure of the whole cavity is ensured, and the safety of the whole pipeline is further ensured.

The utility model can be directly arranged on the shell, can be used for building the fan disc in extremely short time and is suitable for corresponding instruments; the fan disc is tightly connected with the fan blade through the air passage block and the impeller, and can be installed in half an hour, and the pressure requirement on an air source is very low, but the purging efficiency of the whole system is greatly superior to that of the traditional fan disc, the operation is more convenient, the working efficiency is greatly improved, and the risk of air leakage is reduced.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The novel high-efficiency fan disc easy to install is characterized by comprising an air path disc (1), wherein an impeller (2) with a circular structure is embedded in the air path disc (1), an exhaust hole (7) is formed in the center of the impeller (2), the exhaust hole (7) is connected with an exhaust pipe (9) through a rotary joint (8), and the bottom of the exhaust pipe (9) is connected with fan blades (3); the circumference evenly distributed of impeller (2) has a plurality of groups to sweep recess (6), the both sides of impeller (2) are equipped with air inlet unit and air outlet unit respectively, air inlet unit and air outlet unit are corresponding with sweeping recess (6), air inlet unit external air inlet end, air outlet unit passes through way union coupling blast pipe (9).

2. The novel high-efficiency fan disc easy to install according to claim 1, wherein the air inlet device is embedded in the air path disc (1) and comprises an air inlet pipe (12), the air inlet pipe (12) corresponds to a blowing groove on one side of the impeller (2), the top of the air inlet pipe (12) is connected with an air inlet (13) embedded in the air path disc (1) through a pipeline, and the air inlet (13) is externally connected with an air inlet end.

3. A new and easy to install high efficiency fan disc according to claim 2, characterized in that the open end of the inlet pipe (12) is of a bevelled configuration corresponding to the purge groove on one side of the impeller (2).

4. The novel high-efficiency fan disc easy to install according to claim 1, wherein the air outlet device comprises an air passage block (4) fixedly arranged at the top of the air passage disc (1), an air passage pipe (10) is arranged in the air passage block (4), one end of the air passage pipe (10) is connected with an exhaust pipe (9) in a central exhaust hole (7) of the impeller (2) through a pipeline, the other end of the air passage pipe (10) is connected with an air outlet pipe (11) through a pipeline, and the air outlet pipe (11) corresponds to a purging groove on the other side of the impeller (2).

5. A new type of easy to install high efficiency fan disc according to claim 4, characterized in that the open end of the outlet duct (11) is of a bevelled configuration corresponding to the purge groove on the other side of the impeller (2).

6. A new easy to install high efficiency fan tray according to claim 4, wherein the air passage block (4) is fastened to the top of the air passage tray (1) by bolts.

7. The novel high-efficiency fan disc easy to install according to claim 1, wherein the impeller (2) adopts a circular ring structure, an exhaust hole (7) is arranged in the circular ring structure, and the exhaust hole (7) is connected with the inner wall of the circular ring structure of the impeller (2) through the bracket (5).

8. A new easy to install high efficiency fan disc according to claim 1, characterized in that the bottom section of the exhaust duct (9) is provided with at least one exhaust opening (14), said exhaust opening (14) being located above the fan blades (3).

9. The novel high-efficiency fan disc easy to install according to claim 1, wherein the fan blades (3) are a plurality of L-shaped fan blades, the plurality of L-shaped fan blades comprise horizontal sections and vertical sections, and the horizontal sections of the L-shaped structure are uniformly distributed and arranged by taking the exhaust pipe (9) as a center.

10. A new easy to install high efficiency fan tray according to claim 9, wherein the vertical section of the L-shaped structure is beveled at the end near the fan blades (3).