CN213711413U - Sealing device for high-pressure vertical long-axis pump - Google Patents

Sealing device for high-pressure vertical long-axis pump Download PDF

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Publication number
CN213711413U
CN213711413U CN202022658149.2U CN202022658149U CN213711413U CN 213711413 U CN213711413 U CN 213711413U CN 202022658149 U CN202022658149 U CN 202022658149U CN 213711413 U CN213711413 U CN 213711413U
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China
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static ring
ring
ring sleeve
wear
sealing device
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CN202022658149.2U
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戴恒国
戴艾艾
范春田
徐家敏
单美丽
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Nanjing Huanya Pump Co ltd
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Nanjing Huanya Pump Co ltd
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Abstract

The utility model discloses a sealing device for vertical major axis pump of high pressure, including pump case, rotating ring and axis body, the central point of pump case puts the department and is provided with quiet ring structure, the central point of quiet ring structure puts the department and runs through there is the axis body, the inside of quiet ring structure is provided with wear-resisting structure, the top of quiet ring structure is provided with the rotating ring, the inside of rotating ring is provided with seal structure, seal structure includes gasbag, gas tube and sealing plug, the top of rotating ring is fixed with the spring, the top of spring is fixed with the go-between. The utility model discloses an at the internally mounted of rotating ring an annular gasbag, be connected with the gas tube in one side of gasbag, during the use, with the rotating ring tight install on the axis body, accessible gas tube aerifys the gasbag after that, gasbag after the gas impact can live the axis body parcel, multiplicable its sealed effect to this sealing device's leakproofness has been strengthened.

Description

Sealing device for high-pressure vertical long-axis pump
Technical Field
The utility model relates to a sealing device technical field specifically is a vertical long axis pump of high pressure sealing device for pump.
Background
The vertical long shaft pump, belong to one kind of centrifugal pump, in the perspective of the centrifugal pump, namely improve on the performance of the submerged pump, make its performance greatly higher than the submerged pump, the stationarity in operation is stronger, the sealing means, generally install in the junction of axle and pump casing, make the junction seal;
the traditional sealing device has poor sealing effect sometimes after being installed, so the traditional sealing device needs to be improved to be more convenient to use.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a vertical long axis pump sealing device of high pressure to propose the not good problem of traditional sealing device seal effect in solving above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a sealing device for vertical major axis pump of high pressure, includes pump case, rotating ring and axis body, the central point of pump case puts the department and is provided with quiet ring structure, the central point of quiet ring structure puts the department and runs through there is the axis body, the inside of quiet ring structure is provided with wear-resisting structure, the top of quiet ring structure is provided with the rotating ring, the inside of rotating ring is provided with seal structure, seal structure includes gasbag, gas tube and sealing plug, the gasbag sets up in the inside of rotating ring, one side of gasbag is provided with the gas tube, one side of gas tube extends to one side of rotating ring, one side of gas tube is provided with the sealing plug, the top of rotating ring is fixed with the spring, the top of spring is fixed with the go-between.
Preferably, wear-resisting structure includes wear-resisting shell, first strengthening rib and second strengthening rib, wear-resisting shell sets up in the top of quiet ring structure, the inside of wear-resisting shell is provided with first strengthening rib, one side of first strengthening rib is provided with the second strengthening rib.
Preferably, first strengthening rib and second strengthening rib all are provided with a plurality of, a plurality of in the inside of wear-resisting shell first strengthening rib is equidistant with the second strengthening rib and distributes.
Preferably, the movable ring and the connecting ring are parallel to each other, and the movable ring and the connecting ring form an elastic connection through a spring.
Preferably, the stationary ring structure comprises a first stationary ring sleeve, a sealing washer and a second stationary ring sleeve, the first stationary ring sleeve is arranged at the top end of the pump shell, the second stationary ring sleeve is arranged at the bottom end of the first stationary ring sleeve, and the sealing washers are arranged at the bottom end of the first stationary ring sleeve and the top end of the second stationary ring sleeve.
Preferably, the first static ring sleeve is internally provided with internal threads, the surface of the second static ring sleeve is provided with external threads, and the first static ring sleeve is connected with the second static ring sleeve through the threads.
Compared with the prior art, the beneficial effects of the utility model are that: the sealing device for the high-pressure vertical long-axis pump not only enhances the sealing performance of the sealing device and enhances the durability of the sealing device, but also realizes the convenience in mounting the sealing device;
(1) the annular air bag is arranged in the movable ring, the inflation tube is connected to one side of the air bag, when the sealing device is used, the movable ring is tightly arranged on the shaft body, then the air bag is inflated through the inflation tube, the shaft body is wrapped by the inflated air bag, the sealing effect of the sealing device can be improved, and the sealing performance of the sealing device is enhanced;
(2) the wear-resistant shell is embedded at the position where the first static ring sleeve is contacted with the dynamic ring, the surface of the wear-resistant shell is smooth, the first reinforcing ribs and the second reinforcing ribs which are uniformly distributed in the wear-resistant shell can enhance the overall strength of the wear-resistant shell, the wear-resistant shell can not be damaged easily, and the durability of the sealing device is enhanced;
(3) when the sealing device is installed, a user firstly sleeves the first static ring sleeve at the shaft hole on one side of the pump shell, then sleeves the second static ring sleeve at the shaft hole on the other side of the pump shell, then rotates the first static ring sleeve and the second static ring sleeve to enable the first static ring sleeve and the second static ring sleeve to be tightly fixed at two sides of the pump shell through threads, sealing gaskets are arranged at the joint of the first static ring sleeve and the second static ring sleeve and the pump shell, the sealing performance of the joint can be guaranteed, and the convenience in installation of the sealing device is realized.
Drawings
Fig. 1 is a schematic front view of a cross-sectional structure of the present invention;
fig. 2 is a schematic bottom view of the present invention;
fig. 3 is a schematic view of the enlarged structure of a part a in fig. 1 according to the present invention;
fig. 4 is a schematic view of the front view cross-sectional structure of the stationary ring structure of the present invention.
In the figure: 1. a pump housing; 2. a wear resistant structure; 201. a wear-resistant shell; 202. a first reinforcing rib; 203. a second reinforcing rib; 3. a moving ring; 4. a connecting ring; 5. a shaft body; 6. a spring; 7. a sealing structure; 701. an air bag; 702. an inflation tube; 703. a sealing plug; 8. a stationary ring structure; 801. a first non-loop sleeve; 802. a sealing gasket; 803. a second non-loop sleeve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: a sealing device for a high-pressure vertical long-axis pump comprises a pump shell 1, a moving ring 3 and a shaft body 5, wherein a static ring structure 8 is arranged at the center of the pump shell 1, the static ring structure 8 comprises a first static ring sleeve 801, a sealing washer 802 and a second static ring sleeve 803, the first static ring sleeve 801 is arranged at the top end of the pump shell 1, the second static ring sleeve 803 is arranged at the bottom end of the first static ring sleeve 801, the sealing washers 802 are arranged at the bottom end of the first static ring sleeve 801 and the top end of the second static ring sleeve 803, internal threads are arranged in the first static ring sleeve 801, external threads are arranged on the surface of the second static ring sleeve 803, and the first static ring sleeve 801 is connected with the second static ring sleeve 803 through threads;
specifically, as shown in fig. 1 and 4, when the structure is used, the first static ring sleeve 801 is firstly sleeved at the shaft hole on one side of the pump shell 1, then the second static ring sleeve 803 is sleeved at the shaft hole on the other side, and then the first static ring sleeve 801 and the second static ring sleeve 803 are rotated to be tightly fixed at two sides of the pump shell 1 through threads, and the joint of the first static ring sleeve 801 and the second static ring sleeve 803 and the pump shell 1 is provided with the sealing gasket 802, so that the sealing performance of the joint can be ensured;
a shaft body 5 penetrates through the center of the static ring structure 8, a wear-resistant structure 2 is arranged inside the static ring structure 8, the wear-resistant structure 2 comprises a wear-resistant shell 201, a first reinforcing rib 202 and a second reinforcing rib 203, the wear-resistant shell 201 is arranged at the top end of the static ring structure 8, the first reinforcing rib 202 is arranged inside the wear-resistant shell 201, the second reinforcing rib 203 is arranged on one side of the first reinforcing rib 202, a plurality of first reinforcing ribs 202 and second reinforcing ribs 203 are arranged inside the wear-resistant shell 201, and the first reinforcing ribs 202 and the second reinforcing ribs 203 are distributed at equal intervals;
specifically, as shown in fig. 1 and 3, when the structure is used, a layer of wear-resistant shell 201 is embedded at a position where the first static ring sleeve 801 is in contact with the dynamic ring 3, the surface of the wear-resistant shell 201 is smooth, and the first reinforcing ribs 202 and the second reinforcing ribs 203 which are uniformly distributed in the wear-resistant shell 201 can enhance the overall strength of the wear-resistant shell 201, so that the wear-resistant shell 201 can not be damaged easily, and therefore when the dynamic ring 3 rotates on the surface of the first static ring sleeve 801, the first static ring sleeve 801 can not be easily worn due to the existence of the wear-resistant shell 201, and the first static ring sleeve 801 is more durable;
the top end of the static ring structure 8 is provided with a movable ring 3, the interior of the movable ring 3 is provided with a sealing structure 7, the sealing structure 7 comprises an air bag 701, an inflation tube 702 and a sealing plug 703, the air bag 701 is arranged in the movable ring 3, one side of the air bag 701 is provided with the inflation tube 702, one side of the inflation tube 702 extends to one side of the movable ring 3, one side of the inflation tube 702 is provided with the sealing plug 703, the top end of the movable ring 3 is fixed with a spring 6, the top end of the spring 6 is fixed with a connecting ring 4, the movable ring 3 and the connecting ring 4 are parallel to each other, and the movable ring 3 and the connecting;
specifically, as shown in fig. 1 and 3, when the structure is used, an annular air bag 701 is installed inside the rotating ring 3, an inflation tube 702 is connected to one side of the air bag 701, when the structure is used, the air bag 701 is inflated through the inflation tube 702, and the inflated air bag 701 wraps the shaft body 5, so that the sealing effect of the structure can be improved.
The working principle is as follows: when the pump is used, firstly, a user firstly sleeves the first static ring sleeve 801 at the shaft hole on one side of the pump shell 1, then sleeves the second static ring sleeve 803 at the shaft hole on the other side, then rotates the first static ring sleeve 801 and the second static ring sleeve 803 to enable the static ring sleeves to be tightly fixed on two sides of the pump shell 1 through threads, and sealing gaskets 802 are arranged at the joint parts of the first static ring sleeve 801 and the second static ring sleeve 803 and the pump shell 1, so that the sealing performance of the joint parts can be ensured;
then, the shaft body 5 is arranged at a central hole of the stationary ring structure 8, the movable ring 3 is clamped from one end of the shaft body 5, the shaft body 5 is arranged at the top of the first stationary ring sleeve 801 and is attached to the first stationary ring sleeve 801, an annular air bag 701 is arranged inside the movable ring 3, one side of the air bag 701 is connected with an air charging pipe 702, when the air charging device is used, the air bag 701 is charged through the air charging pipe 702, and the charged air bag 701 can wrap the shaft body 5, so that the sealing effect of the air charging device can be improved;
finally, the first static ring sleeve 801 and the second static ring sleeve 803 are fixed on the pump casing 1 and are fixed, the movable ring 3 is tightly clamped on the shaft body 5 and can rotate along with the rotation of the shaft body 5, the bottom end of the movable ring 3 is attached to the first static ring sleeve 801, a layer of wear-resistant casing 201 is embedded at the position where the first static ring sleeve 801 is in contact with the movable ring 3, the surface of the wear-resistant casing 201 is smooth, the first reinforcing ribs 202 and the second reinforcing ribs 203 which are uniformly distributed in the wear-resistant casing 201 can enhance the overall strength of the wear-resistant casing 201, the wear-resistant casing 201 can be made, and therefore when the movable ring 3 rotates on the surface of the first static ring sleeve 801, the first static ring sleeve 801 can not be easily damaged by the existence of the wear-resistant casing 201, the wear-resistant casing can be more durable, and the whole using process of the sealing device for the high-pressure vertical long shaft.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. The utility model provides a vertical long axis pump sealing device of high pressure, includes pump case (1), rotating ring (3) and axis body (5), its characterized in that: a static ring structure (8) is arranged at the center of the pump shell (1), a shaft body (5) penetrates through the center of the static ring structure (8), the interior of the static ring structure (8) is provided with a wear-resistant structure (2), the top end of the static ring structure (8) is provided with a dynamic ring (3), a sealing structure (7) is arranged inside the movable ring (3), the sealing structure (7) comprises an air bag (701), an inflation tube (702) and a sealing plug (703), the air bag (701) is arranged inside the movable ring (3), one side of the air bag (701) is provided with an inflation tube (702), one side of the air inflation pipe (702) extends to one side of the movable ring (3), one side of the air inflation pipe (702) is provided with a sealing plug (703), the top end of the movable ring (3) is fixed with a spring (6), and the top end of the spring (6) is fixed with a connecting ring (4).
2. The sealing device for the high-pressure vertical long-axis pump according to claim 1, wherein: wear-resisting structure (2) are including wear-resisting shell (201), first strengthening rib (202) and second strengthening rib (203), wear-resisting shell (201) sets up in the top of quiet ring structure (8), the inside of wear-resisting shell (201) is provided with first strengthening rib (202), one side of first strengthening rib (202) is provided with second strengthening rib (203).
3. The sealing device for the high-pressure vertical long-axis pump according to claim 2, wherein: first strengthening rib (202) and second strengthening rib (203) all are provided with a plurality of, a plurality of in the inside of wear-resisting shell (201) first strengthening rib (202) is equidistant distribution with second strengthening rib (203).
4. The sealing device for the high-pressure vertical long-axis pump according to claim 1, wherein: the movable ring (3) and the connecting ring (4) are parallel to each other, and the movable ring (3) and the connecting ring (4) form elastic connection through a spring (6).
5. The sealing device for the high-pressure vertical long-axis pump according to claim 1, wherein: the static ring structure (8) comprises a first static ring sleeve (801), a sealing washer (802) and a second static ring sleeve (803), the first static ring sleeve (801) is arranged at the top end of the pump shell (1), the second static ring sleeve (803) is arranged at the bottom end of the first static ring sleeve (801), and the sealing washer (802) is arranged at the bottom end of the first static ring sleeve (801) and the top end of the second static ring sleeve (803).
6. The sealing device for the high-pressure vertical long-axis pump according to claim 5, wherein: the inner part of the first static ring sleeve (801) is provided with internal threads, the surface of the second static ring sleeve (803) is provided with external threads, and the first static ring sleeve (801) is connected with the second static ring sleeve (803) through threads.
CN202022658149.2U 2020-11-17 2020-11-17 Sealing device for high-pressure vertical long-axis pump Active CN213711413U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202022658149.2U CN213711413U (en) 2020-11-17 2020-11-17 Sealing device for high-pressure vertical long-axis pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202022658149.2U CN213711413U (en) 2020-11-17 2020-11-17 Sealing device for high-pressure vertical long-axis pump

Publications (1)

Publication Number Publication Date
CN213711413U true CN213711413U (en) 2021-07-16

Family

ID=76806531

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202022658149.2U Active CN213711413U (en) 2020-11-17 2020-11-17 Sealing device for high-pressure vertical long-axis pump

Country Status (1)

Country Link
CN (1) CN213711413U (en)

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