CN218266328U

CN218266328U - Mechanical sealing structure in rotor pump

Info

Publication number: CN218266328U
Application number: CN202222467801.1U
Authority: CN
Inventors: 程先涛
Original assignee: Ningbo Ooming Machinery Co ltd
Current assignee: Ningbo Ooming Machinery Co ltd
Priority date: 2022-09-17
Filing date: 2022-09-17
Publication date: 2023-01-10
Anticipated expiration: 2032-09-17

Abstract

The utility model relates to a mechanical seal technical field just discloses a mechanical seal structure in impeller pump, which comprises an axis body, the limiting plate is installed in the left side of axis body, the left side cover of axis body is equipped with supports the cover, support the right side of cover and install fixed cover, the seal cover is installed on the right side of fixed cover. The utility model discloses a sealed cover alternates in the inside of supporting the cutting ferrule, and install in the inside of thread groove through fixing bolt, can make between seal cover and the fixed cover remain stable, and effect through the sealing ring, can seal the processing to the junction of axis body and fixed cover, can support the sealing ring through supporting spring, make the sealing ring remain stable in the inside of fixed cover, and through damping ring and supporting spring's combined action, can absorb the vibration energy that the axis body produced, can clear up vibration energy, thereby can reduce the influence of the vibrations that the axis body produced to whole impeller pump.

Description

Mechanical sealing structure in rotor pump

Technical Field

The utility model relates to a mechanical seal technical field especially relates to a mechanical seal structure in impeller pump.

Background

The mechanical seal is a device for preventing fluid leakage, which is formed by at least one pair of end faces perpendicular to the rotation axis, and the end faces are kept in fit and relatively slide under the action of fluid pressure and the elastic force (or magnetic force) of a compensation mechanism and the cooperation of an auxiliary seal.

The inside mechanical seal mechanism who uses of impeller pump is used for sealing the axis body, prevents that the gap between the pump body and the axis body from appearing leaking, and current impeller pump seal structure is comparatively inconvenient when the installation to the vibrations problem that appears when the axis body high-speed rotation can't be solved to current impeller pump seal structure, and the mechanical seal structure in the impeller pump is proposed to above circumstances and is solved the above-mentioned problem of proposing.

SUMMERY OF THE UTILITY MODEL

The purpose of the utility model is to solve the shortcoming that exists among the prior art, if: the existing sealing structure of the rotor pump is inconvenient to install, and the existing sealing structure of the rotor pump can not solve the problem of vibration when the shaft body rotates at a high speed, so that the mechanical sealing structure in the rotor pump is provided.

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

the utility model provides a mechanical seal structure in impeller pump, includes the axis body, the limiting plate is installed in the left side of axis body, the left side cover of axis body is equipped with supports the cover, support the right side of cover and install fixed cover, the seal cover is installed on the right side of fixed cover, the support cutting ferrule is installed in the outside of fixed cover, the left side activity of seal cover alternates in the inside of supporting the cutting ferrule, support the left inner wall of cover and install quiet ring, the left side and the limiting plate contact of quiet ring, the rotating ring mechanism is installed in the left side of limiting plate, support the left side of cover inner chamber and install solid fixed ring, the thread groove has all been seted up to the upper and lower both sides of fixed cover, the support ring is all installed to the upper and lower both sides of support cutting ferrule, fixing bolt is all installed to the inside of support ring, fixing bolt's one end passes seal cover and the inside at the thread groove respectively.

Preferably, the rotating ring mechanism is including installing the mount at supporting the cover inside, the mid-mounting of mount has the movable sleeve, the movable sleeve is installed in the outside of axis body, the right side movable mounting of mount has the rotating ring, the connecting block of longitudinal symmetry is installed in the left side of rotating ring, movable sliding ring is installed in the left side of connecting block, the gag lever post is installed to the equal screw thread in upper and lower both sides of supporting the cover, the one end of gag lever post is the activity respectively and alternates in movable sliding ring's inside.

Preferably, the surface of the fixed sleeve is provided with evenly distributed limiting grooves, the inner side of the seal sleeve is provided with limiting blocks corresponding to the limiting grooves, and the limiting blocks are movably inserted into the limiting grooves respectively.

Preferably, a sealing ring is installed on the left inner wall of the sealing sleeve, and the sealing ring is sleeved on the outer side of the shaft body.

Preferably, a damping ring is installed on the right inner wall of the sealing sleeve, a supporting spring is installed on the left side of the damping ring, and the left side of the supporting spring is in contact with the sealing ring.

Preferably, the fixing ring is internally provided with heat dissipation holes which are uniformly distributed.

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

(1) The utility model discloses an axis body alternates in the inside that supports the cover, make limiting plate and quiet ring contact, and construct the suit at the outside of axis body through the rotating ring, and make the right side and the limiting plate contact of rotating ring mechanism, can make and take place relative slip between axis body and the rotating ring mechanism, alternate in the upper and lower both sides that support the cover through the gag lever post, the one end that makes the gag lever post alternates respectively in the inside of activity sliding ring, can make the mount and support and keep relatively fixed between the cover, and through loose ring and limiting plate contact, can make the loose ring rotate along with the limiting plate, install in the inside that supports the cover through solid fixed ring, can play spacing effect to mount and limiting plate, prevent that the limiting plate from shifting out from the inside that supports the cover.

(2) The utility model discloses a sealed cover alternates in the inside of supporting the cutting ferrule, and install in the inside of thread groove through fixing bolt, can make between seal cover and the fixed cover remain stable, and effect through the sealing ring, can seal the processing to the junction of axis body and fixed cover, can support the sealing ring through supporting spring, make the sealing ring remain stable in the inside of fixed cover, and through damping ring and supporting spring's combined action, can absorb the vibration energy that the axis body produced, can clear up vibration energy, thereby can reduce the influence of the vibrations that the axis body produced to whole impeller pump.

Drawings

FIG. 1 is a schematic view of the overall internal structure of the present invention;

FIG. 2 is an enlarged schematic view of the structure of the present invention at A in FIG. 1;

fig. 3 is a schematic structural diagram of a first embodiment of the present invention;

fig. 4 is a schematic structural diagram of a second embodiment of the present invention.

In the figure: 1. a shaft body; 2. a fixing ring; 3. heat dissipation holes; 4. a support sleeve; 5. fixing a sleeve; 6. a rotating ring mechanism; 61. a fixed mount; 62. a movable sleeve; 63. a movable ring; 64. connecting blocks; 65. a movable slip ring; 66. a limiting rod; 7. a limiting plate; 8. a stationary ring; 9. a seal ring; 10. a support spring; 11. sealing sleeves; 12. a damping ring; 13. a support ring; 14. fixing the bolt; 15. a thread groove; 16. supporting the ferrule; 17. a limiting groove; 18. and a limiting block.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-4, a mechanical seal structure in a rotor pump comprises a shaft body 1, a limit plate 7 is installed on the left side of the shaft body 1, a support sleeve 4 is sleeved on the left side of the shaft body 1, a fixed sleeve 5 is installed on the right side of the support sleeve 4, a seal sleeve 11 is installed on the right side of the fixed sleeve 5, a support sleeve 16 is installed on the outer side of the fixed sleeve 5, the left side of the seal sleeve 11 is movably inserted in the support sleeve 16, a stationary ring 8 is installed on the left inner wall of the support sleeve 4, the left side of the stationary ring 8 is in contact with the limit plate 7, a movable ring mechanism 6 is installed on the left side of the limit plate 7, a fixed ring 2 is installed on the left side of the inner cavity of the support sleeve 4 in a threaded manner, heat dissipation holes 3 are uniformly distributed in the fixed ring 2, thread grooves 15 are formed in the upper and lower sides of the fixed sleeve 5, support rings 13 are installed on the upper and lower sides of the support sleeve 16, fixing bolts 14 are installed in the support rings 13, one end of the fixing bolts 14 respectively penetrates through the seal sleeve 11 and are installed in the thread grooves 15, the sealing sleeve 11 is inserted into the supporting clamping sleeve 16 and is arranged in the threaded groove 15 through the fixing bolt 14, so that the sealing sleeve 11 and the fixing sleeve 5 can be kept stable, the sealing ring 9 is arranged on the left inner wall of the sealing sleeve 11, the sealing ring 9 is sleeved on the outer side of the shaft body 1, the damping ring 12 is arranged on the right inner wall of the sealing sleeve 11, the supporting spring 10 is arranged on the left side of the damping ring 12, the left side of the supporting spring 10 is in contact with the sealing ring 9, the sealing ring 9 can be supported by the supporting spring 10, so that the sealing ring 9 is kept stable inside the fixing sleeve 5, and through the combined action of damping ring 12 and supporting spring 10, can absorb the vibration energy that axis body 1 produced, can dispel the vibration energy to can reduce the influence of the vibrations that axis body 1 produced to whole impeller pump.

The first embodiment is as follows:

as shown in fig. 3, the movable ring mechanism 6 includes a fixed frame 61 installed inside the support sleeve 4, a movable sleeve 62 is installed in the middle of the fixed frame 61, the movable sleeve 62 is installed outside the shaft body 1, a movable ring 63 is movably installed on the right side of the fixed frame 61, vertically symmetrical connecting blocks 64 are installed on the left side of the movable ring 63, a movable slip ring 65 is installed on the left side of the connecting block 64, a limiting rod 66 is installed on the upper side and the lower side of the support sleeve 4 in a threaded manner, one end of the limiting rod 66 is movably inserted into the movable slip ring 65, the upper end and the lower end of the limiting rod 66 are inserted into the upper side and the lower side of the support sleeve 4, the fixed frame 61 and the support sleeve 4 are kept relatively fixed, the movable ring 63 is in contact with the limiting plate 7, the movable ring 63 can rotate along with the limiting plate 7, the movable ring is installed inside the support sleeve 4 through the fixed ring 2, the fixed frame 61 and the limiting plate 7 can be used for limiting, and the limiting plate 7 is prevented from moving out of the limiting plate 7 from the support sleeve 4.

Example two:

as shown in fig. 4, the surface of the fixing sleeve 5 is provided with uniformly distributed limiting grooves 17, the inner side of the sealing sleeve 11 is provided with limiting blocks 18 corresponding to the limiting grooves 17, the limiting blocks 18 are respectively movably inserted into the limiting grooves 17, and the limiting blocks 18 are respectively inserted into the limiting grooves 17, so that the sealing sleeve 11 is conveniently installed on the outer side of the fixing sleeve 5, the sealing sleeve 11 can correspond to holes in the supporting sleeve 16, and the fixing sleeve 5 and the sealing sleeve 11 are conveniently fixed.

The utility model discloses in, the user uses the device, alternate axis body 1 in the inside of supporting cover 4, make limiting plate 7 and quiet ring 8 contact, and construct 6 suit in the outside of axis body 1 through the rotating ring, and make the right side and the limiting plate 7 contact of rotating ring mechanism 6, alternate in the upper and lower both sides of supporting cover 4 through gag lever post 66, the one end that makes gag lever post 66 alternates in the inside of activity sliding ring 65 respectively, can make mount 61 and support and keep relatively fixed between the cover 4, gu fixed ring 2 installs in the inside of supporting cover 4, can play spacing effect to mount 61 and limiting plate 7, seal cover 11 alternates in the inside of supporting cutting ferrule 16, and install the inside at thread groove 15 through fixing bolt 14, supporting spring 10 can support sealing ring 9, make sealing ring 9 remain stable in the inside of fixed cover 5, and through damping ring 12 and supporting spring 10's combined action, can absorb the vibration energy that axis body 1 produced, can clear up vibration energy.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Claims

1. The utility model provides a mechanical seal structure in impeller pump, includes axis body (1), its characterized in that, limiting plate (7) are installed in the left side of axis body (1), the left side cover of axis body (1) is equipped with and supports cover (4), support the right side of cover (4) and install fixed cover (5), seal cover (11) are installed on the right side of fixed cover (5), support cutting ferrule (16) are installed in the outside of fixed cover (5), the left side activity of seal cover (11) alternates in the inside of supporting cutting ferrule (16), support cover (4) left side inner wall and install quiet ring (8), the left side and limiting plate (7) contact of quiet ring (8), movable ring mechanism (6) are installed in the left side of limiting plate (7), the left side of supporting cover (4) inner chamber is installed the screw thread and is installed solid fixed ring (2), thread groove (15) have all been seted up to the upper and lower both sides of fixed cover (5), support ring (13) are all installed to the upper and lower both sides of supporting ring (8), fixing ring (13) have all installed fixing bolt (14) inside, fixing bolt (14) pass the screw thread and install inside at sealing ferrule (15) respectively.

2. The mechanical seal structure in the rotor pump is characterized in that the movable ring mechanism (6) comprises a fixed frame (61) installed inside a support sleeve (4), a movable sleeve (62) is installed in the middle of the fixed frame (61), the movable sleeve (62) is installed on the outer side of a shaft body (1), a movable ring (63) is movably installed on the right side of the fixed frame (61), vertically symmetrical connecting blocks (64) are installed on the left side of the movable ring (63), a movable sliding ring (65) is installed on the left side of the connecting blocks (64), limiting rods (66) are installed on the upper side and the lower side of the support sleeve (4) in a threaded mode, and one ends of the limiting rods (66) are movably inserted into the movable sliding ring (65) respectively.

3. The mechanical seal structure in the rotor pump according to claim 1, wherein the surface of the fixed sleeve (5) is provided with evenly distributed limiting grooves (17), the inner side of the sealing sleeve (11) is provided with limiting blocks (18) corresponding to the limiting grooves (17), and the limiting blocks (18) are respectively and movably inserted in the limiting grooves (17).

4. The mechanical seal structure in the rotor pump is characterized in that a seal ring (9) is installed on the left inner wall of the seal sleeve (11), and the seal ring (9) is sleeved on the outer side of the shaft body (1).

5. A mechanical seal structure in a rotor pump, according to claim 4, characterized in that the right inner wall of the sealing sleeve (11) is installed with a damping ring (12), the left side of the damping ring (12) is installed with a supporting spring (10), and the left side of the supporting spring (10) is contacted with the sealing ring (9).

6. The mechanical seal structure in the rotor pump according to claim 1, wherein the inner portion of the fixing ring (2) is provided with uniformly distributed heat dissipation holes (3).