CN207500347U

CN207500347U - A kind of water-sealed bearing

Info

Publication number: CN207500347U
Application number: CN201721306815.8U
Authority: CN
Inventors: 陈云邦
Original assignee: Taizhou Zhongyou Bearing Co Ltd
Current assignee: Taizhou Zhongyou Bearing Co Ltd
Priority date: 2017-10-11
Filing date: 2017-10-11
Publication date: 2018-06-15
Anticipated expiration: 2027-10-11

Abstract

The utility model is related to the technical fields of bearing, a kind of specific water-sealed bearing, including inner ring, outer ring and the sealing ring being located between inner ring and outer ring, the interior ring outer wall is equipped with the first closure gasket groove, the inner ring of the sealing ring is equipped with the first waterproof layer, the second waterproof layer, third waterproof layer and anti-oil reservoir successively, and the deformation slot that liquidates is equipped between first waterproof layer and anti-oil reservoir.The utility model of simple structure and strong practicability.

Description

A kind of water-sealed bearing

Technical field

The utility model is related to the technical field of bearing, specially a kind of water-sealed bearing.

Background technology

Bearing is a kind of important spare part in contemporary mechanical equipment.Its major function is the mechanical rotary body of support, is reduced Friction coefficient in its motion process, and ensure its rotating accuracy.

Existing water-sealed bearing is suitable for common environment in the market, for non-underwater rugged environment, such as leaching completely It ducks in drink, does not need to the sealing of high leakproofness, although on the contrary, water-sealed bearing currently on the market can reach certain anti- Water effect is usually all to realize sealing using the conflict between two sealing elements being fixed on inside and outside circle, still, if It encountering in the case of having pressure, water easily enters Bearing inner from the conflict gap between two sealing elements on inside and outside circle, And then damage bearing.

Invention content

In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of waterproof effect under high pressure more Good bearing.

To achieve the above object, the utility model provides following technical solution：A kind of water-sealed bearing, including inner ring, outside The sealing ring between inner ring and outer ring is enclosed and is located at, the interior ring outer wall is equipped with the first closure gasket groove, the sealing ring Inner ring is equipped with the first waterproof layer and anti-oil reservoir successively, and the deformation slot that liquidates is equipped between first waterproof layer and anti-oil reservoir.

Further, it is equipped with the second waterproof layer between first waterproof layer and the deformation slot that liquidates.

Further, described liquidate is equipped with third waterproof layer between deformation slot and the second waterproof layer.

Further, the inner wall of the outer ring is equipped with the second closure gasket groove, and the outer ring of sealing ring is equipped with and the second sealing ring The positioning region of slot adaptation, positioning region are interference fitted with the second closure gasket groove.

Further, first closure gasket groove includes the first ring-side wall and the second ring-side wall, second waterproof layer It contradicts and connects with the second ring-side wall, the third waterproof layer and the second ring-side wall are contradicted and connected.

Further, first waterproof layer and the first ring-side wall, which contradict, connects.

Further, first waterproof layer includes the first anchor ring, and the first anchor ring is bonded with the first ring-side wall.

Further, second waterproof layer includes the second anchor ring, and the second anchor ring is bonded with the second ring-side wall, and described the Three waterproof layers include third anchor ring, and third anchor ring is bonded with the second ring-side wall.

Further, the anti-oil reservoir is contradicted with interior ring outer wall and is connected.

Further, the anti-oil reservoir includes the 4th anchor ring, and the 4th anchor ring is bonded with interior ring outer wall.

Compare the deficiencies in the prior art, advantageous effect caused by technical solution provided by the utility model：As strong F When acting on the first waterproof layer, the d points on the first anchor ring are moved to D points toward the first ring-side wall direction, therefore so that the first ring Face is bonded compacter with the first ring-side wall, and F is bigger, the lamination of the first waterproof it is tighter, c points on the second anchor ring are toward the second ring Sidewall direction is moved to C points, therefore so that the second anchor ring is bonded compacter with the second ring-side wall, and F is bigger, the second waterproof What is be laminated is tighter；Likewise, the b points on third anchor ring are moved to B points toward the second ring-side wall direction, therefore so that third anchor ring Be bonded with the second ring side compacter, F is bigger, the lamination of third waterproof it is tighter；Meanwhile the design of slot is deformed because liquidating, When strong F is acted on the first waterproof layer, the U-shaped shape in section for the deformation slot that liquidates, U-type groove deformation, a points on the 4th anchor ring are past Interior ring outer wall direction is moved to A points, and anti-oil reservoir pulls downward on, automatic to feed, to reduce the degree that the deformation flute profile that liquidates becomes, because This so that the 4th anchor ring is bonded compacter with interior ring outer wall, and F is bigger, grease proofing lamination it is tighter.Ambient pressure F is bigger, prevents Water effect is better.

Description of the drawings

Fig. 1 is the structure diagram of the utility model.

Fig. 2 is the structure diagram of outer ring.

Fig. 3 is the structure diagram of inner ring.

Fig. 4 is the structure diagram of sealing ring stress deformation.

Fig. 5 is the G portions enlarged diagram of Fig. 4.

Specific embodiment

With reference to Fig. 1-Fig. 5, the present invention will be further described.

Embodiment 1

As shown in Figure 1 and Figure 4：A kind of water-sealed bearing including inner ring 1, outer ring 2 and is located between inner ring 1 and outer ring 2 Sealing ring 3,1 outer wall of inner ring are equipped with the first closure gasket groove 11, and the inner ring 1 of the sealing ring 3 is equipped with first successively to be prevented Water layer 34, the second waterproof layer 33, third waterproof layer 32 and anti-oil reservoir 31, set between the third waterproof layer 32 and anti-oil reservoir 31 Liquidate deformation slot 35, the U-shaped shape in section for the deformation slot 35 that liquidates, when it is strong act on liquidate deformation 35 side of slot when, it is another Supply is played the role of in side, to reduce the deformation extent for the deformation slot 35 that liquidates.

When strong F acts on (as shown in Figure 4) on the first waterproof layer 34, d points on the first anchor ring 311 are toward the first ring side 111 direction of wall is moved to D points, therefore so that and the first anchor ring 311 is bonded compacter with the first ring-side wall 111, and F is bigger, and One waterproof layer 34 is pressed tighter, and the c points on the second anchor ring 321 are moved to C points toward 112 direction of the second ring-side wall, therefore so that Second anchor ring 321 is bonded compacter with the second ring-side wall 112, and F is bigger, the second waterproof layer 33 pressure it is tighter；Likewise, B points on third anchor ring 331 are moved to B points toward 112 direction of the second ring-side wall, therefore so that 331 and second ring of third anchor ring Side wall 112 is bonded compacter, and F is bigger, and third waterproof layer 32 is pressed tighter；Meanwhile the design of slot 35 is deformed because liquidating, When strong F acts on (as shown in Figure 4) on the first waterproof layer 34, the U-shaped shape in section for the deformation slot 35 that liquidates, U-type groove deformation, the A points on four anchor rings 341 are moved to A points toward 1 outer wall direction of inner ring, to reduce the degree for deformation 35 deformation of slot that liquidates, therefore, make The 4th anchor ring 341 is bonded compacter with 1 outer wall of inner ring, F is bigger, the anti-pressure of oil reservoir 31 it is tighter, in Fig. 5, dotted line part Divide the part of as sealing ring stress deformation.

According to above-mentioned operation principle, ambient pressure F is bigger, and waterproof effect is better.

Another innovative point of the utility model be the first closure gasket groove 11 structure design and the first waterproof layer 34, The Position Design of second waterproof layer 33, third waterproof layer 32 and anti-oil reservoir 31, because when there are F generations in the external world, the first anchor ring 311 A points, the b points of the second anchor ring 321, the c points of third anchor ring 331 and the 4th anchor ring 341 d points respectively toward the second ring-side wall 112, What the first ring-side wall 111, the first ring-side wall 111 and 1 outer wall of inner ring were close to.

As depicted in figs. 1 and 2：The inner wall of the outer ring 2 is equipped with the second closure gasket groove 21, and the outer of sealing ring 3 is equipped with The positioning region 36 being adapted to the second closure gasket groove, positioning region 36 are interference fitted with the second closure gasket groove 21, on the one hand increase inner ring 1 With the sealing effect of sealing ring 3, the locating effect of inner ring 1 and sealing ring 3 is on the other hand increased.

As shown in Fig. 1, Fig. 3 and Fig. 5：First waterproof layer 34 includes the first anchor ring 311, the first anchor ring 311 and the One ring-side wall 111 is bonded.

Such as Fig. 1, Fig. 3 and Fig. 5 and shown：First closure gasket groove 11 includes the first ring-side wall 111 and the second ring side Wall 112, second waterproof layer 33 include the second anchor ring 321, and the second anchor ring 321 is bonded with the second ring-side wall 112, described Third waterproof layer 32 includes third anchor ring 331, and third anchor ring 331 is bonded with the second ring-side wall 112, second waterproof layer 33 Second anchor ring 321 and the first ring-side wall 111, which contradict, to be connected, 331 and second ring-side wall of third anchor ring of the third waterproof layer 32 112 contradict connection.

As shown in Figure 1 and Figure 5：The anti-oil reservoir 31 includes the 4th anchor ring 341, and the 4th anchor ring 341 is pasted with 1 outer wall of inner ring It closes.

Embodiment 2

The present embodiment is substantially the same manner as Example 1, and uniquely the difference is that, the present embodiment does not have third waterproof layer 32, utilizes Above-mentioned principle, plays that ambient pressure is bigger, and waterproof effect is better by the first waterproof layer 34, the second waterproof layer 33 and anti-oil reservoir 31 Purpose.

Embodiment 3

The present embodiment is substantially the same manner as Example 1, it is unique unlike, the present embodiment is without the second waterproof layer 33 and the Three waterproof layers 32 using above-mentioned principle, play that ambient pressure is bigger, and waterproof effect is got over by the first waterproof layer 34 and anti-oil reservoir 31 Good purpose.

The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field Art personnel carry out common variations and alternatives in the range of technical solutions of the utility model should all be included in the guarantor of the utility model In the range of shield.

Claims

1. a kind of water-sealed bearing, including inner ring, outer ring and the sealing ring being located between inner ring and outer ring, it is characterised in that：It is described Interior ring outer wall be equipped with the first closure gasket groove, the inner ring of the sealing ring is equipped with the first waterproof layer and anti-oil reservoir successively, described The first waterproof layer and anti-oil reservoir between be equipped with liquidate deformation slot.

2. a kind of water-sealed bearing according to claim 1, it is characterised in that：First waterproof layer and the deformation slot that liquidates Between be equipped with the second waterproof layer.

3. a kind of water-sealed bearing according to claim 2, it is characterised in that：Liquidate deformation slot and second waterproof layer Between be equipped with third waterproof layer.

4. a kind of water-sealed bearing according to claim 3, it is characterised in that：The inner wall of the outer ring is equipped with the second sealing Annular groove, the outer ring of sealing ring are equipped with the positioning region being adapted to the second closure gasket groove, and positioning region is interference fitted with the second closure gasket groove.

5. a kind of water-sealed bearing according to claim 3, it is characterised in that：First closure gasket groove includes the first ring Side wall and the second ring-side wall, second waterproof layer and the second ring-side wall, which contradict, to be connected, the third waterproof layer and second Ring-side wall contradicts connection.

6. a kind of water-sealed bearing according to claim 1 or 2, it is characterised in that：First waterproof layer and the first ring side Wall contradicts connection.

7. a kind of water-sealed bearing according to claim 5, it is characterised in that：First waterproof layer includes the first ring Face, the first anchor ring are bonded with the first ring-side wall.

8. a kind of water-sealed bearing according to claim 3, it is characterised in that：Second waterproof layer includes the second ring Face, the second anchor ring are bonded with the second ring-side wall, and the third waterproof layer includes third anchor ring, third anchor ring and the second ring-side wall Fitting.

9. a kind of water-sealed bearing according to claim 1, it is characterised in that：The anti-oil reservoir is contradicted with interior ring outer wall to be connected It connects.

10. a kind of water-sealed bearing according to claim 9, it is characterised in that：The anti-oil reservoir includes the 4th anchor ring, the Four anchor rings are bonded with interior ring outer wall.