Container sealing device suitable for circulating water pump

Abstract

The utility model relates to the technical field of packaging sealing, and discloses a packaging sealing device suitable for a circulating water pump, which comprises a shaft sleeve, a spring box arranged on one side of the shaft sleeve, a transmission mechanism arranged in the spring box, a transmission seat connected with the other end of the transmission mechanism, an elastic element arranged on the outer side of the transmission mechanism, and a movable ring arranged in the transmission seat. A movable ring sealing ring is arranged between the movable ring and the shaft sleeve, a screw hole is formed in the other side of the shaft sleeve, a shell and a static ring gland are arranged on the outer side of the shaft sleeve, a static ring is arranged in the static ring gland, a static ring sealing ring is arranged between the static ring and the static ring gland, and the static ring and the movable ring are in contact sealing. The integrated sealing structure is adopted, traditional packing sealing can be replaced, the leakage amount during water pump operation is greatly reduced, water leaked from the interior of a shell of the circulating water pump can be prevented from entering a bearing box, the service life of a bearing is greatly prolonged, and normal operation of the circulating water pump is guaranteed.

Description

Technical Field

[0001] The utility model relates to the technical field of container sealing, in particular to a container sealing device suitable for a circulating water pump. Background Art

[0002] In chemical production, cooling water is often used as a heat exchanger medium to allow materials to reach the reaction temperature, and circulating water pumps are commonly used in production as equipment for conveying cooling water. The common circulating water pumps are center-split type, which have the advantages of good stability and high efficiency, but fillers are often used as seals during use. After long-term use, the leakage of the fillers increases, and the water ejected from the fillers can easily enter the bearing box, emulsifying the butter in the bearing box, thereby damaging the bearing. Utility Model Content

[0003] The utility model aims to overcome the shortcomings of the prior art and provide a container sealing device suitable for a circulating water pump.

[0004] In order to achieve the above-mentioned purpose, the technical solution of the utility model is: a container sealing device suitable for a circulating water pump, comprising a sleeve, a spring box is arranged on one side of the sleeve, a transmission mechanism is arranged inside the spring box, a transmission seat is connected to the other end of the transmission mechanism, an elastic element is arranged on the outside of the transmission mechanism, a dynamic ring is arranged inside the transmission seat, a dynamic ring sealing ring is arranged between the dynamic ring and the sleeve, a screw hole is arranged on the other side of the sleeve, a shell and a static ring pressure cover are arranged on the outside of the sleeve, the shell and the static ring pressure cover are connected by connecting bolts, two bolt holes are symmetrically arranged on the outside of the static ring pressure cover, a static ring is arranged inside the static ring pressure cover, a static ring sealing ring is arranged between the static ring and the static ring pressure cover, and the static ring is in contact with the dynamic ring and sealed.

[0005] Furthermore, a shaft end sealing ring is provided on the end surface of the shell.

[0006] Furthermore, a sealing ring A and a sealing ring B are provided on the outer arc surface of the shell.

[0007] Furthermore, a sleeve sealing ring A and a sleeve sealing ring B are arranged inside the sleeve.

[0008] Furthermore, a static ring gland sealing ring is provided on the inner side of the static ring gland.

[0009] Furthermore, a drain port is provided on the static ring pressure cover.

[0010] Beneficial effects of the utility model:

[0011] (1) The device of the utility model adopts a container seal structure, which can replace the traditional packing seal, greatly reducing the leakage of the water pump during operation, thereby preventing water leaking from the circulating water pump housing from entering the bearing box, greatly extending the service life of the bearing and ensuring the normal operation of the circulating water pump.

[0012] (2) A shaft end sealing ring is provided on the end face of the housing. During assembly, the shaft end sealing ring contacts the upper and lower mating surfaces in the sealing cavity, which can play a certain sealing role for water leaking from the pump shaft.

[0013] (3) A sealing ring A and a sealing ring B are provided on the outer arc surface of the shell. During operation, when leaked water enters the sealing cavity, the sealing ring A and the sealing ring B provided on the outer arc surface of the shell can prevent the leaked water from leaking outward along the wall of the sealing cavity.

[0014] (4) The shaft sleeve is provided with a shaft sleeve seal ring A and a shaft sleeve seal ring B inside, which has a sealing effect on the water leaking from the water pump and flowing along the axial direction.

[0015] (5) A static ring gland seal is provided on the inner side of the static ring gland. When the device is assembled in the sealing chamber, the static ring gland seal contacts and seals the pump body, and has a certain sealing effect on water leaking along the sealing chamber wall.

[0016] (6) A drain port is provided on the static ring pressure cover. When a small amount of water leaks from the dynamic ring and static ring seals, the leaked water can be discharged in time through the drain port. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a schematic diagram of the structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the utility model;

[0019] Figure 3 It is a left view of the utility model.

[0020] In the figure: 1. Shell; 101. Sealing ring A; 102. Sealing ring B; 2. Bushing; 201. Bushing sealing ring A; 202. Bushing sealing ring B; 203. Screw hole; 3. Spring box; 301. Transmission mechanism; 302. Elastic element; 303. Transmission seat; 4. Moving ring; 401. Moving ring sealing ring; 5. Stationary ring; 501. Stationary ring sealing ring; 6. Stationary ring pressure cover; 601. Stationary ring pressure cover sealing ring; 602. Connecting bolt; 603. Bolt hole; 7. Shaft end sealing ring; 8. Drain port. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; it is obvious that the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments, and all other embodiments obtained by ordinary technicians in this field based on the embodiments of the utility model without making creative work are within the scope of protection of the utility model.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] Example:

[0024] See also Figure 1-3 A container sealing device suitable for a circulating water pump comprises a shaft sleeve 2, a spring box 3 is arranged on one side of the shaft sleeve 2, a transmission mechanism 301 is arranged inside the spring box 3, a transmission seat 303 is connected to the other end of the transmission mechanism 301, an elastic element 302 is arranged on the outside of the transmission mechanism 301, a dynamic ring 4 is arranged inside the transmission seat 303, a dynamic ring sealing ring 401 is arranged between the dynamic ring 4 and the shaft sleeve 2, a screw hole 203 is arranged on the other side of the shaft sleeve 2, a housing 1 and a static ring pressure cover 6 are arranged on the outside of the shaft sleeve 2, the housing 1 and the static ring pressure cover 6 are connected by connecting bolts 602, two bolt holes 603 are symmetrically arranged on the outside of the static ring pressure cover 6, a static ring 5 is arranged inside the static ring pressure cover 6, a static ring sealing ring 601 is arranged between the static ring 5 and the static ring pressure cover 6, and the static ring 5 is in contact with the dynamic ring 4 and sealed.

[0025] See also Figure 2-3 The end face of the housing 1 is provided with a shaft end sealing ring 7. During assembly, the shaft end sealing ring 7 contacts the upper and lower fitting surfaces in the sealing cavity, and can play a certain sealing role for the water leaking from the pump shaft.

[0026] See also Figure 1-2 The outer arc surface of the shell 1 is provided with a sealing ring A101 and a sealing ring B102. During operation, when leaked water enters the sealing cavity, the sealing ring A101 and the sealing ring B102 provided on the outer arc surface of the shell can prevent the leaked water from leaking outward along the sealing cavity wall.

[0027] See also Figure 2A sleeve seal ring A201 and a sleeve seal ring B202 are arranged inside the sleeve 2 to seal the water leaking from the water pump and flowing along the axial direction.

[0028] See also Figure 2-3 A static ring gland seal 601 is provided on the inner side of the static ring gland 6. When the device is assembled in the sealing chamber, the static ring gland seal 601 contacts and seals with the pump body, and has a certain sealing effect on the water leaking along the sealing chamber wall.

[0029] See also Figure 1-2 A drain port 8 is provided on the static ring pressure cover 6. When a small amount of water leaks from the sealing portion between the dynamic ring 4 and the static ring 5, the leaked water can be discharged in time through the drain port 8.

[0030] In the utility model, the device is first pushed into the sealing cavity, and then the device is fixed to the pump body with bolts through the bolt holes 603 on both sides of the static ring gland 6, and then the shaft sleeve 2 is fixed to the pump shaft with screws through the screw holes 203 on the shaft sleeve 2. The utility model adopts a containerized sealing structure, which can replace the traditional packing seal, greatly reducing the leakage of the water pump during operation, thereby preventing water leaking from the circulating water pump casing from entering the bearing box, greatly extending the service life of the bearing, and ensuring the normal operation of the circulating water pump.

[0031] The above is only a preferred specific implementation of the utility model; however, the protection scope of the utility model is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes according to the technical solution and improved ideas of the utility model within the technical scope disclosed by the utility model, which should be included in the protection scope of the utility model.

Claims

1. A container seal device suitable for a circulating water pump, comprising a shaft sleeve, characterized in that: A spring box is provided on one side of the sleeve, a transmission mechanism is provided inside the spring box, a transmission seat is connected to the other end of the transmission mechanism, an elastic element is provided on the outside of the transmission mechanism, a dynamic ring is provided inside the transmission seat, a dynamic ring sealing ring is provided between the dynamic ring and the sleeve, a screw hole is provided on the other side of the sleeve, a shell and a static ring pressure cover are provided on the outside of the sleeve, the shell and the static ring pressure cover are connected by connecting bolts, two bolt holes are symmetrically provided on the outside of the static ring pressure cover, a static ring is provided inside the static ring pressure cover, a static ring sealing ring is provided between the static ring and the static ring pressure cover, and the static ring is in contact and sealed with the dynamic ring.

2. The container sealing device suitable for a circulating water pump according to claim 1, characterized in that: The end surface of the housing is provided with a shaft end sealing ring.

3. The container sealing device suitable for a circulating water pump according to claim 1, characterized in that: The outer arc surface of the shell is provided with a sealing ring A and a sealing ring B.

4. The container sealing device suitable for a circulating water pump according to claim 1, characterized in that: A shaft sleeve sealing ring A and a shaft sleeve sealing ring B are arranged inside the shaft sleeve.

5. The container sealing device suitable for a circulating water pump according to claim 1, characterized in that: A static ring gland sealing ring is arranged on the inner side of the static ring gland.

6. The container sealing device suitable for a circulating water pump according to claim 1, characterized in that: The static ring pressure cover is provided with a liquid discharge port.

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