CN111664113B

CN111664113B - Environment-friendly centrifugal blower body sealing device

Info

Publication number: CN111664113B
Application number: CN202010561302.1A
Authority: CN
Inventors: 宋大山
Original assignee: Nanjing Qianlihang Measurement And Control Technology Co ltd
Current assignee: Nanjing Qianlihang Measurement And Control Technology Co ltd
Priority date: 2020-06-18
Filing date: 2020-06-18
Publication date: 2022-06-10
Anticipated expiration: 2040-06-18
Also published as: CN111664113A

Abstract

The invention provides a sealing device for an environment-friendly centrifugal blower body. Environmental protection centrifugal blower organism sealing device is including sealed axle sleeve ware and propulsion adapter sleeve, sealed axle sleeve ware includes the pressure disk cover, the siphunculus, screwed pipe and axle sleeve ring, fixed mounting has the siphunculus of intercommunication each other on the pressure disk cover, and the top fixed mounting of siphunculus has the screwed pipe, the top fixed mounting of screwed pipe has the axle sleeve ring, a propulsion adapter sleeve for improving the sealed effect of axis of rotation promotes a tub elastic connection through elastic connector and screw thread, and elastic connector includes powerful spring and rotation go-between, the equal fixed mounting in both ends of powerful spring has the rotation go-between, and two rotation go-between insert respectively and establish and connect the intracavity and rotate with the rotation connection chamber and be connected the connection and be connected. The sealing device for the body of the environment-friendly centrifugal blower has the advantage of being used for sealing the rotating shaft of the centering blower.

Description

Environment-friendly centrifugal blower body sealing device

Technical Field

The invention relates to the technical field of blower equipment, in particular to a sealing device for an environment-friendly centrifugal blower body.

Background

The centrifugal blower is a driven fluid machine which increases the pressure of gas and discharges the gas by means of input mechanical energy. Centrifugal blowers are widely used for ventilation, dust removal and cooling of factories, mines, tunnels, cooling towers, vehicles, ships and buildings; ventilation and draught of boilers and industrial furnaces; cooling and ventilation in air conditioning equipment and household appliances; drying and selecting grains; wind tunnel wind source and air cushion boat inflation and propulsion.

In the normal working process of the centrifugal blower, when the gas sucked into the blower flows in each stage of flow channel bodies of the blower, the meaningless loss of the gas flow in the blower due to poor sealing property is avoided to the maximum extent. The accurate shaft sleeve sealing design can improve the working efficiency of the fan and reduce the waste of energy. The sealed design that adopts ordinary tongue and groove bayonet socket of the axle sleeve that uses in the existing market, it is sealed to need to use unnecessary 2 screws to fasten the axle sleeve respectively at the split both ends in the casing, the installation with dismantle inconveniently, use the in-process of screw fastening, because deviation and installation misoperation that product manufacture produced, arouse easily that the sealed circularity of axle sleeve warp, assembly gap can not obtain effective control, unfavorable consequences such as concentricity tolerance increase, all can the direct influence sealed effect of axle sleeve.

Therefore, it is necessary to provide an environmental protection centrifugal blower body sealing device to solve the above technical problems.

Disclosure of Invention

The invention solves the technical problem of providing the sealing device for the body of the environment-friendly centrifugal blower for sealing the rotating shaft of the centrifugal blower.

In order to solve the technical problem, the invention provides an environmental protection centrifugal blower body sealing device, which comprises: the sealing shaft sleeve device comprises a pressure plate sleeve, through pipes, threaded pipes and a shaft sleeve ring, wherein the through pipes which are communicated with one another are fixedly installed on the pressure plate sleeve, the threaded pipes are fixedly installed at the tops of the through pipes, and the shaft sleeve ring is fixedly installed at the tops of the threaded pipes; the propulsion adapter sleeve is used for improving the sealing effect of the rotating shaft and is elastically connected with the thread propulsion pipe through the elastic connector.

Preferably, the elastic connector comprises a strong spring and a rotary connecting ring, the rotary connecting ring is fixedly mounted at two ends of the strong spring, the two rotary connecting rings are respectively inserted into a rotary connecting cavity formed by the propulsion fastening sleeve and the thread propulsion pipe and are rotatably connected with the rotary connecting cavity, and therefore the thread propulsion pipe and the rotary connecting cavity can not be twisted when the fastening sleeve is pushed.

Preferably, the threaded push tube and the threaded tube are matched to each other.

Preferably, a conical rubber ring is fixedly sleeved at the joint of the pressing disc sleeve and the through pipe.

Preferably, the outer wall of the propelling fastening sleeve close to the bottom is fixedly embedded with the sealing connecting ring, and the conical rubber ring is correspondingly in elastic contact with the sealing connecting ring, so that the sealing effect is enhanced.

Preferably, the top of the shaft sleeve ring is provided with a chamfer groove, so that the sleeve connection of the fastening sleeve is facilitated.

Compared with the related art, the sealing device for the body of the environment-friendly centrifugal blower provided by the invention has the following beneficial effects:

the invention provides an environment-friendly centrifugal blower body sealing device, wherein a pushing fastening sleeve and a thread pushing pipe are sleeved on a threaded pipe, the thread pushing pipe is rotated to slide along the threaded pipe, so that the pushing fastening sleeve is pushed to be in contact with a through pipe, a strong spring is compressed, the hidden danger of sealing failure caused by vibration of a centrifugal blower is eliminated due to the fact that the pushing fastening sleeve is pushed by the strong spring in a structural mode, and the sealing effect and the long-term effect of sealing are guaranteed.

Drawings

FIG. 1 is a schematic structural view of a preferred embodiment of a sealing device for an environmentally friendly centrifugal blower body according to the present invention;

FIG. 2 is a schematic structural view of the seal cartridge shown in FIG. 1;

FIG. 3 is a schematic view showing a connection structure of the advancing fastening sleeve and the threaded advancing pipe shown in FIG. 1;

fig. 4 is a schematic structural view of the elastic connector shown in fig. 3.

Reference numbers in the figures: 1. the sealing shaft sleeve device comprises a sealing shaft sleeve device body 11, a pressure plate sleeve, 12, a through pipe, 13, a threaded pipe, 14, a shaft sleeve ring, 2, a pushing fastening sleeve, 3, a threaded pushing pipe, 4, an elastic connector, 41, a strong spring, 42, a rotating connecting ring, 5, a conical rubber ring, 6, a sealing connecting ring, 7, a chamfer groove, 8 and a rotating shaft.

Detailed Description

The invention is further described below with reference to the drawings and the embodiments.

Please refer to fig. 1, fig. 2, fig. 3 and fig. 4 in combination, wherein fig. 1 is a schematic structural diagram of a sealing device for an environmentally friendly centrifugal blower body according to a preferred embodiment of the present invention; FIG. 2 is a schematic structural view of the seal cartridge shown in FIG. 1; FIG. 3 is a schematic view showing a connection structure of the advancing fastening sleeve and the threaded advancing pipe shown in FIG. 1; fig. 4 is a schematic structural view of the elastic connector shown in fig. 3. Environmental protection centrifugal blower organism sealing device includes: a sealing shaft sleeve device 1 and a pushing fastening sleeve 2.

In the specific implementation process, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, the sealing shaft sleeve device 1 includes a pressure plate sleeve 11, a through pipe 12, a threaded pipe 13 and a shaft sleeve ring 14, the pressure plate sleeve 11 is fixedly provided with the through pipe 12 which is communicated with each other, the top of the through pipe 12 is fixedly provided with the threaded pipe 13, the top of the threaded pipe 13 is fixedly provided with the shaft sleeve ring 14, the propulsion adapter sleeve 2 for improving the sealing effect of the rotating shaft is elastically connected with the threaded propulsion pipe 3 through the elastic connector 4, the elastic connector 4 includes a strong spring 41 and a rotation adapter ring 42, two ends of the strong spring 41 are fixedly provided with the rotation adapter ring 42, and the two rotation adapter rings 42 are respectively inserted into the rotation connection cavities formed in the propulsion adapter sleeve 2 and the threaded propulsion pipe 3 and are rotatably connected with the rotation connection cavities.

It should be noted that: inserting the sealing shaft sleeve device 1 from the shaft hole on the output rotating shaft 8 of the centrifugal blower, keeping the rotating shaft 8 inserted in the sealing shaft sleeve device 1 and extending out of the sealing shaft sleeve device 1, sleeving the pushing fastening sleeve 2 and the thread pushing pipe 3 on the thread pipe 13, rotating the thread pushing pipe 3 to slide along the thread pipe 13, thus pushing the pushing fastening sleeve 2 to contact with the through pipe 12 until the thread pushing pipe 3 is fixedly connected with the thread pipe 13 in a thread way, compressing the strong spring 41, because the two rotating connecting rings 42 are respectively inserted in the rotating connecting cavities arranged on the pushing fastening sleeve 2 and the thread pushing pipe 3 and are rotatably connected with the rotating connecting cavities, when the screw pushing pipe 3 pushes the pushing fastening sleeve 2, the strong spring 41 can not be twisted, because the pushing fastening sleeve 2 eliminates the hidden trouble of sealing failure caused by the vibration of the centrifugal blower in the structural form under the pushing of the strong spring 41, the invention also ensures the sealing effect and the long-term effect of sealing, solves the defects of difficult sealing construction and difficult guarantee of the sealing effect and the aesthetic property, and has simple framework, convenient installation and favorable popularization.

Wherein, the screw propulsion pipe 3 is matched with the screw pipe 13, and the top of the shaft sleeve ring 14 is provided with a chamfer groove 7, which is convenient for propulsion of the sleeve joint of the fastening sleeve 2.

Wherein, the fixed tapered rubber circle 5 that has cup jointed of pressure disk cover 11 and siphunculus 12 junction, and the fixed gomphosis of the outer wall that impels adapter sleeve 2 to be close to the bottom has sealed go-between 6, because tapered rubber circle 5 corresponds elastic contact with sealed go-between 6 to sealed effect has also been strengthened.

The working principle of the sealing device for the body of the environment-friendly centrifugal blower provided by the invention is as follows:

the sealing shaft sleeve device 1 is inserted from the shaft hole of the output rotating shaft 8 of the centrifugal blower, the rotating shaft 8 is kept inserted in the sealing shaft sleeve device 1 and extends out of the sealing shaft sleeve device 1, the propulsion fastening sleeve 2 and the thread propulsion pipe 3 are sleeved on the thread pipe 13, the thread propulsion pipe 3 is rotated to slide along the thread pipe 13, the propulsion fastening sleeve 2 is pushed to contact with the through pipe 12 until the thread propulsion pipe 3 is fixedly connected with the thread pipe 13 in a thread way, the strong spring 41 is compressed, as the two rotary connecting rings 42 are respectively inserted in the rotary connecting cavities arranged on the propulsion fastening sleeve 2 and the thread propulsion pipe 3 and are rotatably connected with the rotary connecting cavities, when the thread propulsion fastening sleeve 3 is pushed to propel the fastening sleeve 2, the strong spring 41 can not be twisted, and the hidden trouble of sealing failure caused by vibration of the centrifugal blower is eliminated due to the structural form of the propulsion fastening sleeve 2 under the pushing of the strong spring 41, the sealing effect and the long-term effect of sealing are also ensured.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. The utility model provides an environmental protection centrifugal blower organism sealing device which characterized in that includes: the sealing shaft sleeve device (1) comprises a pressing disc sleeve (11), a through pipe (12), a threaded pipe (13) and a shaft sleeve ring (14), wherein the through pipe (12) which is communicated with one another is fixedly installed on the pressing disc sleeve (11), the threaded pipe (13) is fixedly installed at the top of the through pipe (12), and the shaft sleeve ring (14) is fixedly installed at the top of the threaded pipe (13);

the propelling fastening sleeve (2) is used for improving the sealing effect of the rotating shaft, and the propelling fastening sleeve (2) is elastically connected with the threaded propelling pipe (3) through an elastic connector (4);

the elastic connector (4) comprises a strong spring (41) and a rotating connecting ring (42), wherein the rotating connecting ring (42) is fixedly mounted at each of two ends of the strong spring (41), and the two rotating connecting rings (42) are respectively inserted into a rotating connecting cavity formed by the propelling fastening sleeve (2) and the thread propelling pipe (3) and are rotatably connected with the rotating connecting cavity.

2. The environmentally friendly centrifugal blower housing seal arrangement according to claim 1, wherein the threaded thrust tube (3) and the threaded tube (13) are mated to each other.

3. The environmental protection centrifugal blower body sealing device of claim 1, characterized in that a conical rubber ring (5) is fixedly sleeved at the joint of the pressure plate sleeve (11) and the through pipe (12).

4. The environmentally friendly centrifugal blower body sealing device according to claim 1, wherein the outer wall of the propelling fastening sleeve (2) close to the bottom is fixedly embedded with a sealing connecting ring (6).

5. The environmentally friendly centrifugal blower body sealing device of claim 1, wherein the top of the shaft collar (14) is provided with a chamfer groove (7).