Rotary multi-spring mechanical seal

Abstract

The utility model discloses a rotary multi-spring mechanical seal in the technical field of mechanical seals, a movable ring is sleeved on the surface of a shaft sleeve, a clamping ring is fixedly arranged on one side of the movable ring, the clamping ring and a clamping groove are in movable clamping connection, a heat conducting strip is fixedly arranged in an installation groove, and the heat conducting strip is fixedly arranged in the installation groove. One end of the spring and one end of the telescopic rod abut against one side of the heat conducting piece, heat generated between the movable ring and the static ring in the operation period can be transmitted into the mounting groove through the telescopic rod and the spring, and the heat accumulated in the mounting groove can be absorbed by the heat conducting piece. The heat-conducting fins transmit heat absorbed by the heat-conducting fins to the surfaces of the cooling fins through the heat-conducting pipes, so that the effect of dissipating heat in the mechanical seal is achieved, the service life of internal components of the device is prolonged, and the sealing performance of the internal components of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of mechanical seals, and particularly relates to a rotary multi-spring mechanical seal. Background Technique

[0002] The spring rotary mechanical seal is a mechanical seal structure in which elastic elements rotate with the shaft. There are multiple springs in the compensation mechanism, and the characteristics are relatively uniform distribution. In the sealing treatment of liquids such as hydrocarbons and non-hydrocarbons, a rotary multi-spring mechanical seal is generally used for sealing.

[0003] The heat dissipation performance of the existing rotary multi-spring mechanical seal is not good. When the rotary multi-spring mechanical seal is used in a high-speed and high-temperature environment for a long time, the internal parts are in a high-temperature environment for a long time, which easily accelerates the aging and wear of the internal sealing parts, thus affecting the sealing effect of the device. For this reason, we propose a rotary multi-spring mechanical seal. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a rotary multi-spring mechanical seal to solve the problem of poor heat dissipation performance of the existing rotary multi-spring mechanical seal mentioned in the above background technique.

[0005] To achieve the above purpose, the utility model provides the following technical scheme: A rotary multi-spring mechanical seal, including a shaft sleeve and a gland. The surface of the shaft sleeve is provided with a gland. The inside of the gland is provided with installation grooves, and there are multiple installation grooves. The inside of the installation grooves is provided with telescopic rods. The surface of the telescopic rods is provided with springs. The surface of the shaft sleeve is provided with a stationary ring. One side of the stationary ring is provided with clamping holes, and there are multiple clamping holes. The other side of the stationary ring is provided with a clamping groove. The surface of the shaft sleeve is provided with a rotating ring. One side of the rotating ring is provided with a snap ring. One side of the gland is provided with a heat conducting sheet. One side of the heat conducting sheet is provided with a heat conducting pipe. One end of the heat conducting pipe is provided with a heat sink. The surface of the shaft sleeve is provided with a fixing groove, and a sealing ring is arranged inside the fixing groove.

[0006] Preferably, the gland is sleeved and installed on the surface of the shaft sleeve. The inner surface of the gland is fixedly provided with installation grooves. The inside of the installation grooves is fixedly installed with telescopic rods. The surface of the telescopic rods is sleeved and connected with springs.

[0007] Preferably, the stationary ring is sleeved and installed on the surface of the shaft sleeve. One side surface of the stationary ring is fixedly provided with clamping holes. One end of the spring is placed inside the clamping holes. The other side surface of the stationary ring is fixedly provided with a clamping groove.

[0008] Preferably, a moving ring is sleeved on the surface of the bushing. A snap ring is fixedly installed on one side of the moving ring. The snap ring and the clamping groove are movably clamped. A heat conducting sheet is fixedly installed inside the installation groove. One ends of the spring and the telescopic rod are abutted against one side of the heat conducting sheet.

[0009] Preferably, the other side of the heat conducting sheet is fixedly connected to a heat conducting pipe. One end of the heat conducting pipe is fixedly installed with a heat dissipating fin.

[0010] Preferably, a fixing groove is fixedly formed on the surface of the bushing. The fixing groove is arranged inside the moving ring. A sealing ring is clamped and installed inside the fixing groove.

[0011] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0012] During operation, the heat generated between the moving ring and the static ring will be transmitted to the inside of the installation groove through the telescopic rod and the spring. The heat accumulated inside the installation groove will be absorbed by the heat conducting sheet. The heat conducting sheet transfers the heat it absorbs to the surface of the heat dissipating fin through the heat conducting pipe, thereby achieving the effect of removing the heat inside the mechanical seal and prolonging the service life and sealing performance of the internal components of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 is a schematic diagram of the overall structure of the present utility model;

[0014] Figure 2 is a schematic diagram of the overall sectional structure of the present utility model;

[0015] Figure 3 is a schematic diagram of the fixing groove and the sealing ring structure of the present utility model.

[0016] In the figure: 1, bushing; 2, gland; 3, installation groove; 4, telescopic rod; 5, spring; 6, static ring; 7, clamping hole; 8, clamping groove; 9, moving ring; 10, snap ring; 11, heat conducting sheet; 12, heat conducting pipe; 13, heat dissipating fin; 14, fixing groove; 15, sealing ring. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0018] Please refer to Figures 1-3, the present utility model provides a technical solution: a rotary multi-spring mechanical seal, including a shaft sleeve 1 and a gland 2. The surface of the shaft sleeve 1 is provided with the gland 2. The inside of the gland 2 is provided with mounting grooves 3. There are multiple mounting grooves 3. The inside of the mounting grooves 3 is provided with telescopic rods 4. The surface of the telescopic rods 4 is provided with springs 5. The surface of the shaft sleeve 1 is provided with a stationary ring 6. One side of the stationary ring 6 is provided with clamping holes 7. There are multiple clamping holes 7. The other side of the stationary ring 6 is provided with a clamping groove 8. The surface of the shaft sleeve 1 is provided with a rotating ring 9. One side of the rotating ring 9 is provided with a clamping ring 10. One side of the gland 2 is provided with a heat conducting sheet 11. One side of the heat conducting sheet 11 is provided with a heat conducting tube 12. One end of the heat conducting tube 12 is provided with a heat dissipating fin 13. The surface of the shaft sleeve 1 is provided with a fixing groove 14. The inner side of the fixing groove 14 is provided with a sealing ring 15.

[0019] Specifically, the gland 2 is sleeved and installed on the surface of the shaft sleeve 1. The inner surface of the gland 2 is fixedly provided with mounting grooves 3. The inside of the mounting grooves 3 is fixedly installed with telescopic rods 4. The surface of the telescopic rods 4 is sleeved and connected with springs 5. The stationary ring 6 is sleeved and installed on the surface of the shaft sleeve 1. One side surface of the stationary ring 6 is fixedly provided with clamping holes 7. One end of the spring 5 is placed inside the clamping holes 7. The other side surface of the stationary ring 6 is fixedly provided with a clamping groove 8. The rotating ring 9 is sleeved and installed on the surface of the shaft sleeve 1. One side of the rotating ring 9 is fixedly installed with a clamping ring 10. The clamping ring 10 and the clamping groove 8 are movably clamped. The heat conducting sheet 11 is fixedly installed inside the mounting grooves 3. One end of the spring 5, the telescopic rod 4 and one side of the heat conducting sheet 11 are in abutment. The other side of the heat conducting sheet 11 is fixedly connected with the heat conducting tube 12. One end of the heat conducting tube 12 is fixedly installed with a heat dissipating fin 13. The fixing groove 14 is fixedly opened on the surface of the shaft sleeve 1. The fixing groove 14 is arranged inside the rotating ring 9. The sealing ring 15 is clamped and installed inside the fixing groove 14.

[0020] In this embodiment, when the stationary ring 6 and the rotating ring 9 are in operation, through the multiple springs 5 provided, the overall sealing performance and service life of the device can be improved. The multiple springs 5 can support and cooperate with each other to form a support network, ensuring the stability and sealing performance between the stationary ring 6 and the rotating ring 9. At the same time, through the multiple springs 5, the force between the stationary ring 6 and the rotating ring 9 can also be made more uniform, reducing the vibration of the rotating ring 9 and further increasing the service life of the mechanical seal. The heat generated between the rotating ring 9 and the stationary ring 6 during operation will be transmitted to the inside of the mounting groove 3 through the telescopic rod 4 and the spring 5. The heat accumulated inside the mounting groove 3 will be absorbed by the heat conducting sheet 11. The heat conducting sheet 11 transfers the heat it absorbs to the surface of the heat dissipating fin 13 through the heat conducting tube 12, thereby achieving the effect of dissipating the heat inside the mechanical seal.

[0021] Although embodiments of the present utility model have been shown and described, those of ordinary skill in the art can understand that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present utility model. The scope of the present utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary multi-spring mechanical seal, comprising a sleeve (1) and a gland (2), characterized in that: The surface of the shaft sleeve (1) is provided with a pressure cover (2), the interior of the pressure cover (2) is provided with a mounting groove (3), the mounting groove (3) is provided with a plurality of grooves, the interior of the mounting groove (3) is provided with a telescopic rod (4), the surface of the telescopic rod (4) is provided with a spring (5), the surface of the shaft sleeve (1) is provided with a stationary ring (6), one side of the stationary ring (6) is provided with a clamping hole (7), the clamping hole (7) is provided with a plurality of grooves, the other side of the stationary ring (6) is provided with a clamping groove (8), the surface of the shaft sleeve (1) is provided with a dynamic ring (9), one side of the dynamic ring (9) is provided with a clamping ring (10), one side of the pressure cover (2) is provided with a heat conducting plate (11), one side of the heat conducting plate (11) is provided with a heat conducting pipe (12), one end of the heat conducting pipe (12) is provided with a heat sink (13), the surface of the shaft sleeve (1) is provided with a fixing groove (14), the inner side of the fixing groove (14) is provided with a sealing ring (15).

2. A rotary multi-spring mechanical seal according to claim 1, characterized in that: A pressure cover (2) is sleeved and installed on the surface of the shaft sleeve (1), a mounting groove (3) is fixedly opened on the inner surface of the pressure cover (2), a telescopic rod (4) is fixedly installed inside the mounting groove (3), and a spring (5) is sleeved and connected on the surface of the telescopic rod (4).

3. A rotary multi-spring mechanical seal according to claim 1, characterized in that: A stationary ring (6) is sleeved and installed on the surface of the shaft sleeve (1), a clamping hole (7) is fixedly opened on one side surface of the stationary ring (6), one end of the spring (5) is placed inside the clamping hole (7), and a clamping groove (8) is fixedly opened on the other side surface of the stationary ring (6).

4. A rotary multi-spring mechanical seal according to claim 1, characterized in that: A moving ring (9) is sleeved and installed on the surface of the shaft sleeve (1), a clamping ring (10) is fixedly installed on one side of the moving ring (9), the clamping ring (10) and the clamping groove (8) are movably clamped, a heat conducting plate (11) is fixedly installed inside the installation groove (3), and the spring (5) and one end of the telescopic rod (4) are in abutment with one side of the heat conducting plate (11).

5. A rotary multi-spring mechanical seal according to claim 1, characterized in that: A heat conducting pipe (12) is fixedly connected to the other side of the heat conducting sheet (11), and a heat sink (13) is fixedly mounted on one end of the heat conducting pipe (12).

6. A rotary multi-spring mechanical seal according to claim 1, characterized in that: A fixing groove (14) is fixedly provided on the surface of the shaft sleeve (1), the fixing groove (14) is arranged on the inner side of the moving ring (9), and a sealing ring (15) is clamped and installed on the inner side of the fixing groove (14).

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