Corrosion-resistant cleaning pump bearing

Abstract

The corrosion-resistant cleaning pump bearing comprises a bearing body, an extension sleeve and a sealing protection assembly, the extension sleeve is arranged on the outer side of an inner ring of the bearing body, and the end, away from the bearing body, of the extension sleeve is provided with a hanging part used for assisting in drawing and disassembling of the bearing body; the sealing protection assembly is used for preventing water stains from making contact with a sealing ring of the bearing body and comprises a protection cover arranged on the outer side of the extension sleeve, an isolation part used for isolating the water stains is arranged at the bottom of the outer side of the protection cover, and a connecting part used for fixing the isolation part is arranged at the joint of the isolation part and the protection cover. The outer extension sleeve is arranged on the outer side of the inner ring of the bearing body, the sealing protection assembly is arranged on the outer side of the outer extension sleeve, and the sealing ring of the bearing body is protected and isolated through the isolation part locked by the connecting part at the bottom of the protection cover in the sealing protection assembly, so that leaked water spots conveyed by a cleaning pump are prevented from contacting and corroding the sealing ring of the bearing body; therefore, the service life of the sealing ring of the bearing body is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to bearing technical field, especially in a kind of corrosion-resistant cleaning pump bearing. BACKGROUND

[0002] Cleaning pump is widely applied in multiple industries such as chemical industry, pharmacy, food processing and sewage treatment, and its bearing as key component is crucial to the stable operation and long life of pump;

[0003] However, in practical application, the bearing of cleaning pump often faces corrosion problem, especially the sealing ring part of bearing body, which seriously affects the service life of bearing and the overall performance of cleaning pump, because the outer side of sealing ring is in contact with the delivery fluid leaked from cleaning pump for a long time, long time contact can corrode the sealing ring of bearing body, leading to the decline of sealing effect, and even causing bearing damage;

[0004] Therefore, in order to prolong the service time of sealing ring of bearing body, a corrosion-resistant cleaning pump bearing is proposed. SUMMARY

[0005] The utility model aims at providing a kind of corrosion-resistant cleaning pump bearing to solve the problems raised in the above background.

[0006] To achieve the above object, the utility model provides the following technical scheme: a kind of corrosion-resistant cleaning pump bearing, comprising:

[0007] Bearing body, the bearing body is used for the location of pump shaft;

[0008] Outer extension sleeve, the outer extension sleeve is set to the outer side of bearing body inner circle, and the outer extension sleeve is provided with hanging part for assisting bearing body drawing disassembly at one end away from bearing body;

[0009] Sealing protection component, the sealing protection component is used to prevent water stain from contacting the sealing ring of bearing body, and the sealing protection component includes cover that is set to the outer side of outer extension sleeve, the outer side bottom of cover is provided with isolation part for isolating water stain, and the connecting portion for fixing isolation part is provided at the connecting portion of isolation part and cover.

[0010] Preferably, the isolation part includes sealing ring, and the sealing ring is set to the bottom of cover.

[0011] Preferably, the connecting portion includes positioning ring, and the positioning ring is set to the bottom of cover, and the bottom of positioning ring is connected to the top of sealing ring by insertion;

[0012] Reinforcing member, the reinforcing member is set to the insertion place of positioning ring and sealing ring, and the reinforcing member is used for the auxiliary fixation of sealing ring.

[0013] Preferably, the reinforcing member includes a reinforcing protrusion disposed on the inner wall of the positioning ring, and the reinforcing protrusion is used to increase the friction between the positioning ring and the sealing ring.

[0014] Preferably, the top of the sealing ring is provided with an annular groove, which is used for the positioning ring to interlock with the reinforcing protrusion.

[0015] Preferably, a groove is provided at the bottom outer side of the sealing ring, which is used to assist in the hand-held disassembly of the sealing ring.

[0016] Preferably, the attachment part includes a pull ring, which is sleeved on the outside of the outer sleeve and is used to engage and fix the caliper.

[0017] Preferably, the pull ring has a friction groove circumferentially formed on the side near the bearing body, the friction groove being used to increase the friction force on the surface of the pull ring.

[0018] The technical effects and advantages of this utility model are as follows:

[0019] This invention provides an outer sleeve on the outer side of the inner ring of the bearing body, and a sealing protection component on the outer side of the outer sleeve. The sealing protection component uses the isolation part locked by the bottom connection part of the cover to protect and isolate the sealing ring of the bearing body, preventing water stains leaking from the cleaning pump from entering from the outside of the pump body and contacting and corroding the sealing ring of the bearing body, thereby extending the service life of the sealing ring of the bearing body. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the overall structure of this utility model.

[0021] Figure 2 This is a side view of the entire utility model.

[0022] Figure 3 This is a cross-sectional view of the entire utility model.

[0023] Figure 4 This utility model Figure 3 Enlarged view of the structure at point A in the middle.

[0024] In the diagram: 1. Bearing body; 2. Outer sleeve; 3. Protective cover; 301. Locating ring; 3011. Reinforcing protrusion; 4. Sealing ring; 401. Annular groove; 402. Groove; 5. Pull-out ring. Detailed Implementation

[0025] The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only 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 skilled in the art without creative labor fall within the scope of the present utility model.

[0026] The present utility model provides Figures 1-4 As shown in

[0027] Embodiment one, a kind of corrosion-resistant cleaning pump bearing, comprising: bearing body 1, outer extension sleeve 2 and sealing protection component;

[0028] Specifically, bearing body 1 is used for the location of pump shaft, outer extension sleeve 2 is arranged at the outer side of the inner ring of bearing body 1, and the end of outer extension sleeve 2 away from bearing body 1 is provided with a hanging part for assisting bearing body 1 to be pulled out and disassembled, and the sealing protection component is used for preventing water from contacting the sealing ring of bearing body 1;

[0029] It should be noted that outer extension sleeve 2 is welded and fixed with the inner ring of bearing body 1 close to the outer side of pump shell, so that the sealing protection component prevents water on the outer side of pump shell from contacting bearing body 1;

[0030] Specifically, the sealing protection component comprises a cover 3 arranged on the outer side of outer extension sleeve 2, and the outer side bottom of cover 3 is provided with an isolation part for isolating water, and the connection part for fixing the isolation part is arranged at the connection part of the isolation part and cover 3;

[0031] It should be noted that cover 3 is welded and fixed with outer extension sleeve 2, and the isolation part comprises a sealing ring 4 arranged at the bottom of cover 3, and the material of sealing ring 4 is nitrile rubber;

[0032] Specifically, the connection part comprises a positioning ring 301 and a reinforcing part;

[0033] It should be noted that the positioning ring 301 is arranged at the bottom of cover 3, the bottom of positioning ring 301 is connected to the top of sealing ring 4 in a penetrating manner, and the reinforcing part is arranged at the penetrating part of positioning ring 301 and sealing ring 4;

[0034] Specifically, the reinforcing part is used for auxiliary fixing of sealing ring 4, positioning ring 301 is welded and fixed with cover 3, and the reinforcing part comprises a reinforcing protrusion 3011 arranged on the inner wall of positioning ring 301;

[0035] It should be noted that the reinforcing protrusion 3011 increases the friction force between positioning ring 301 and sealing ring 4 by increasing the contact area, and the top of sealing ring 4 is provided with an annular clamping groove 401 for the penetration of positioning ring 301 and reinforcing protrusion 3011,

[0036] Specifically, the outer bottom of the sealing ring 4 is provided with a cutting groove 402, which is used to assist the hand-held disassembly of the sealing ring 4, and the cutting groove 402 facilitates the user to pinch and take the sealing ring 4 for replacement after the sealing ring 4 is damaged.

[0037] Embodiment two, a hanging part applied to the corrosion-resistant cleaning pump bearing in embodiment one;

[0038] Specifically, the hanging part includes a pull ring 5, which is sleeved on the outer side of the outer extension sleeve 2, and the pull ring 5 is provided with a friction groove around the side close to the bearing body 1.

[0039] It should be noted that the pull ring 5 is used to pull the clamping and fixation of the clamp, and the friction groove is used to increase the friction force of the surface of the pull ring 5.

[0040] In actual use, the outer extension sleeve 2 is arranged on the outer side of the inner ring of the bearing body 1, the sealing protection assembly is arranged on the outer side of the outer extension sleeve 2, the sealing ring 4 locked by the bottom positioning ring 301 of the cover 3 in the sealing protection assembly is used to protect and isolate the sealing ring of the bearing body 1, so as to avoid the water leakage from the pump body outside entering the sealing ring of the bearing body 1 to contact and corrode the sealing ring, thereby prolonging the use time of the sealing ring of the bearing body 1.

[0041] Finally, it should be pointed out that: the above only describes the preferred embodiments of the present application, and is not used to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A corrosion resistant clean pump bearing characterized by, The utility model relates to a bearing body (1) for the limiting of pump shafts, an extension sleeve (2) arranged outside the inner ring of the bearing body (1), a hanging part arranged at the end of the extension sleeve (2) away from the bearing body (1) for assisting in pulling and dismounting the bearing body (1), a sealing protection assembly for preventing water from contacting the sealing ring of the bearing body (1), the sealing protection assembly comprising a cover (3) arranged outside the extension sleeve (2), the outer bottom of the cover (3) being provided with an isolation part for isolating water, and the connection part for fixing the isolation part being arranged at the connection of the isolation part and the cover (3). The isolation part comprises a sealing ring (4) arranged at the bottom of the cover (3). The connection part comprises a positioning ring (301) arranged at the bottom of the cover (3), the bottom of the positioning ring (301) being inserted into the top of the sealing ring (4), and a reinforcing part arranged at the insertion part of the positioning ring (301) and the sealing ring (4) for assisting in fixing the sealing ring (4). The reinforcing part comprises reinforcing protrusions (3011) arranged on the inner wall of the positioning ring (301) for increasing the friction between the positioning ring (301) and the sealing ring (4).

2. A corrosion resistant clean pump bearing according to claim 1, wherein, The top of the sealing ring (4) is provided with an annular clamping groove (401) for the insertion of the positioning ring (301) and the reinforcing protrusions (3011).

3. A corrosion resistant clean pump bearing according to claim 2, wherein, The outer bottom of the sealing ring (4) is provided with a cutting groove (402) for assisting in manually dismounting the sealing ring (4). The hanging part comprises a pulling ring (5) sleeved outside the extension sleeve (2), the pulling ring (5) being used for the clamping and fixing of a pulling clamp. The side of the pulling ring (5) close to the bearing body (1) is surrounded by a friction groove for increasing the friction of the surface of the pulling ring (5).

4. A corrosion resistant clean pump bearing according to claim 3, wherein, ​ 5. A corrosion resistant clean pump bearing according to claim 4, wherein, ​ 6. A corrosion resistant clean pump bearing according to claim 5, wherein, ​ 7. A corrosion resistant clean pump bearing as defined in claim 1 wherein, ​ 8. A corrosion resistant clean pump bearing according to claim 7, wherein, ​

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