CN214577846U

CN214577846U - Self-cooling high-pressure fan for cooling bearing position of pump cover by adopting air inlet

Info

Publication number: CN214577846U
Application number: CN202120674734.3U
Authority: CN
Inventors: 蒙萌蕊; 刘飞安
Original assignee: Dongguan Airhank Electromechanical Technology Co ltd
Current assignee: Dongguan Airhank Electromechanical Technology Co ltd
Priority date: 2021-04-02
Filing date: 2021-04-02
Publication date: 2021-11-02
Anticipated expiration: 2031-04-02

Abstract

The utility model discloses an adopt air intake to carry out refrigerated self-cooling high pressure positive blower to pump cover bearing position, which comprises a pump cover, a bearing, the impeller, the pump body and motor, the pump cover includes pump cover body and outside shrouding, the bearing passes through the bearing mount pad to be installed in the installation concave position that the rear end of pump cover body set up, the preceding terminal surface of pump cover body is equipped with the surrounding type air inlet duct of the mounted position of bearing in the surrounding, the rear end face that the air-out end of surrounding type air inlet duct runs through the pump cover body is in order to form the air outlet, outside shrouding is installed at the front end of pump cover body and is covered and establish on surrounding type air inlet duct, set up the air intake of the air inlet end of intercommunication surrounding type air inlet duct on the outside shrouding. The utility model discloses a preceding terminal surface of pump cover is equipped with the surrounding type air inlet duct of the mounted position of bearing in the surrounding, and the surrounding type air inlet duct can constantly inhale outside air when the impeller rotates to cool off the bearing mounted position of pump cover, effectively protect the bearing, prevent the overheated damage of bearing, prolonged the life of bearing greatly.

Description

Self-cooling high-pressure fan for cooling bearing position of pump cover by adopting air inlet

Technical Field

The utility model relates to a technical field of fan, more specifically say so, relate to an adopt the air intake to carry out refrigerated self-cooling high pressure positive blower to pump cap bearing position.

Background

The high pressure fan is also called high pressure blower, is a ventilation device for driving the gas circulation, has the advantages of high pressure, double functions of blowing and air suction and the like, and is widely applied to various industries. The high pressure positive blower all needs set up the bearing in the inboard of pump cover so that the bearing with firm motor output shaft. However, the high pressure positive blower on the market at present can not cool the bearing position of pump cover, and the bearing can constantly generate heat along with the operation of motor (the high temperature that compressed gas produced can lead to the temperature rise of bearing to uprise promptly), and the bearing is very easy to damage for a long time at high temperature state work, has shortened life greatly, and frequent change bearing can increase use cost. Therefore, it is necessary to provide a high-pressure fan capable of cooling the bearing attachment portion of the pump cover.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned defect among the prior art, provide an adopt the air intake to carry out refrigerated self-cooling high pressure positive blower to pump cover bearing position.

To achieve the above object, the present invention provides a self-cooling high pressure fan using an air inlet to cool a bearing position of a pump cover, comprising a pump cover, a bearing, an impeller, a pump body and a motor, wherein the motor is located at the rear end of the pump body, the pump cover is installed at the front end of the pump body, the pump cover comprises a pump cover body and an external sealing plate, the bearing is installed in an installation concave position arranged at the rear end of the pump cover body through a bearing installation seat, the tail end of an output shaft of the motor penetrates through the pump body and is inserted into an inner hole of the bearing, the impeller is fixedly installed on the output shaft of the motor and is located between the pump cover and the pump body, the front end surface of the pump cover body is provided with a surrounding air inlet duct surrounding the installation position of the bearing, the air outlet end of the surrounding air inlet duct penetrates through the rear end surface of the pump cover body to form an air outlet, the external sealing plate is installed at the front end of the pump cover body and covers the surrounding air inlet duct, and the external sealing plate is provided with an air inlet communicated with the air inlet end of the surrounding air inlet duct.

In a preferred embodiment, the outer sealing plate is attached to the front end of the pump cover body by fixing screws.

In a preferred embodiment, a gasket is arranged between the bearing mounting seat and the pump cover body.

In a preferred embodiment, a first seal ring is provided between the bearing mount and the impeller.

In a preferred embodiment, a second sealing ring is arranged between the external sealing plate and the surrounding air inlet duct, and the second sealing ring is mounted in a sealing ring mounting groove formed in the front end surface of the pump cover body.

In a preferred embodiment, a baffle is disposed between the pump body and the impeller.

As a preferred embodiment, an oil seal is arranged between the motor and the pump body, and the oil seal is sleeved on an output shaft of the motor.

In a preferred embodiment, the impeller is fixedly connected with the output shaft of the motor through a key pin, and the key pin is located in a first groove formed in the output shaft of the motor and a second groove formed in the inner wall of a central hole of the impeller.

Compared with the prior art, the beneficial effects of the utility model reside in that:

the utility model has the advantages of simple structure, novelty, reasonable in design, the preceding terminal surface of pump cover is equipped with the surrounding type air inlet duct of the mounted position of bearing in the surrounding, and the surrounding type air inlet duct can constantly inhale outside air when the impeller rotates to cool off the bearing mounted position of pump cover, effectively protected the bearing, prevent the overheated damage of bearing, prolonged the life of bearing greatly.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be 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 for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic structural view of a self-cooling high-pressure blower that cools a pump cover bearing position by using an air inlet according to an embodiment of the present invention;

fig. 2 is an exploded view of a self-cooling high-pressure blower that cools a bearing position of a pump cover using an air inlet according to an embodiment of the present invention;

fig. 3 is an exploded view of a pump cover of a self-cooling high-pressure blower according to an embodiment of the present invention, in which an air inlet is used to cool a bearing position of the pump cover;

fig. 4 is the embodiment of the utility model provides an adopt the air intake to carry out the inboard schematic structure of the pump cover body of refrigerated self-cooling high pressure positive blower to pump cover bearing position.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying 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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1 to 4, an embodiment of the present invention provides a self-cooling high-pressure blower that cools a bearing position of a pump cover by using an air inlet, including components such as the pump cover 1, a bearing 2, an impeller 3, a pump body 4, and a motor 5, and the structure of each component and the operation principle thereof will be described below.

The motor 5 is located the rear end of the pump body 4, the pump cover 1 is installed at the front end of the pump body 4, the pump cover 1 comprises a pump cover body 11 and an external sealing plate 12, the bearing 2 is installed in an installation concave position 13 arranged at the rear end of the pump cover body 11 through a bearing installation seat 21, the tail end of an output shaft of the motor 5 penetrates through the pump body 4 and then is inserted into an inner hole of the bearing 2, the impeller 3 is fixedly installed on the output shaft of the motor 5 and located between the pump cover 1 and the pump body 4, a surrounding type air inlet duct 14 surrounding the installation position of the bearing 2 is arranged on the front end face of the pump cover body 11, the air outlet end of the surrounding type air inlet duct 14 penetrates through the rear end face of the pump cover body 11 to form an air outlet 15, the external sealing plate 12 is installed at the front end of the pump cover body 11 and covers the surrounding type air inlet duct 14, and an air inlet 16 communicated with the air inlet end of the surrounding type air inlet duct 14 is formed in the external sealing plate 12.

Preferably, a second sealing ring 20 can be arranged between the external sealing plate 12 and the surrounding type air inlet duct 14, the second sealing ring 20 is installed in a sealing ring installation groove formed in the front end surface of the pump cover body 11, and the second sealing ring 20 can seal the external sealing plate 12 and the surrounding type air inlet duct 14, so that external air is prevented from leaking out of gaps after entering the surrounding type air inlet duct, and the heat dissipation efficiency of the surrounding type air inlet duct is ensured.

Preferably, the outer closure plate 12 is attached to the front end of the pump cap body 11 by fixing screws 17.

To prevent collision between the pump cover and the bearing attachment base 21, a gasket 18 is provided between the bearing attachment base 21 and the pump cover body 11.

In order to enhance the sealing between the bearing mount 21 and the impeller 3, a first seal ring 19 may be provided between the bearing mount 21 and the impeller 3.

To prevent the impeller 3 from colliding with the pump body 4 during rotation, a baffle 22 may be provided between the pump body 4 and the impeller 3.

In order to prevent oil leakage between the motor 5 and the pump body 4, an oil seal 23 may be disposed between the motor 5 and the pump body 4, and the oil seal 23 is sleeved on the output shaft of the motor 5.

In specific implementation, the impeller 3 may be fixedly connected to the output shaft of the motor 5 through the key pin 31, and the key pin 31 is located in a first groove 51 formed on the output shaft of the motor 5 and a second groove formed on the inner wall of the central hole of the impeller 3.

During operation, the motor drives the impeller to rotate, the surrounding air inlet duct can continuously suck external air, and the external air can take away heat emitted by the bearing mounting part of the pump cover when passing through the surrounding air inlet duct, so that the mounting part of the bearing is cooled, and the temperature of the bearing is reduced.

To sum up, the utility model has the advantages of simple structure, the novelty, reasonable in design, the preceding terminal surface of pump cover is equipped with the surrounding type air inlet duct of the mounted position of bearing in the surrounding, and the surrounding type air inlet duct can constantly inhale outside air when the impeller rotates to cool off the bearing mounted position of pump cover, effectively protected the bearing, prevent the overheated damage of bearing, prolonged the life of bearing greatly.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides an adopt air intake to carry out refrigerated self-cooling high pressure positive blower to pump cap bearing position, includes pump cover (1), bearing (2), impeller (3), the pump body (4) and motor (5), motor (5) are located the rear end of the pump body (4), the front end at the pump body (4) is installed in pump cover (1), pump cover (1) is including pump cover body (11) and outside shrouding (12), install in installation concave position (13) that the rear end of pump cover body (11) set up through bearing mount pad (21) bearing (2), plant in the hole of bearing (2) after the output shaft end of motor (5) passes pump body (4), impeller (3) fixed mounting just is located between pump cover (1) and the pump body (4) on the output shaft of motor (5), its characterized in that: the utility model discloses a pump cover for the pump cover of motor vehicle, including pump cover body (11), the preceding terminal surface of pump cover body (11) is equipped with surrounding type air inlet duct (14) around the mounted position of bearing (2), the rear end face that the air-out end of surrounding type air inlet duct (14) runs through pump cover body (11) is in order to form air outlet (15), outside shrouding (12) are installed and are covered and establish on surrounding type air inlet duct (14) at the front end of pump cover body (11), air intake (16) of the air inlet end of intercommunication surrounding type air inlet duct (14) are seted up on outside shrouding (12).

2. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: and the external sealing plate (12) is arranged at the front end of the pump cover body (11) through a fixing screw (17).

3. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: and a gasket (18) is arranged between the bearing mounting seat (21) and the pump cover body (11).

4. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: a first sealing ring (19) is arranged between the bearing mounting seat (21) and the impeller (3).

5. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: and a second sealing ring (20) is arranged between the external sealing plate (12) and the surrounding air inlet duct (14), and the second sealing ring (20) is arranged in a sealing ring mounting groove formed in the front end face of the pump cover body (11).

6. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: a baffle plate (22) is arranged between the pump body (4) and the impeller (3).

7. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: an oil seal (23) is arranged between the motor (5) and the pump body (4), and the oil seal (23) is sleeved on an output shaft of the motor (5).

8. The self-cooling high-pressure fan for cooling a bearing position of a pump cover by using an air inlet according to claim 1, wherein: the impeller (3) is fixedly connected with an output shaft of the motor (5) through a key pin (31), and the key pin (31) is positioned in a first groove (51) formed in the output shaft of the motor (5) and a second groove formed in the inner wall of a central hole of the impeller (3).