CN220396275U - Bearing frame with dustproof function - Google Patents

Abstract

A bearing seat with a dustproof function belongs to the technical field of bearing seats; the anti-dust device comprises a base, wherein a shell is arranged on the base, a supporting plate and rib plates are fixed between the shell and the base, a dust cover is arranged at the front end of the shell, end covers are symmetrically arranged at the rear end of the shell and the dust cover, dust-proof pieces are arranged in 2 end covers, a roller bearing is arranged in the shell, a spring and a shock pad are arranged between the shell and the roller bearing, the inner wall of the shell and the shock pad are respectively fixed at two ends of the spring, and the shock pad is propped against the roller bearing; the utility model achieves the effect of dust prevention through the dustproof piece arranged at the rear end of the shell and the dustproof cover, and achieves the effects of shock absorption and noise reduction through arranging a plurality of springs and shock pads in the shell for counteracting the shock generated by the rotation of the bearing.

Description

Bearing frame with dustproof function

Technical Field

The utility model belongs to the technical field of bearing seats, and particularly relates to a bearing seat with a dustproof function.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing the friction coefficient in the motion process and ensuring the rotation precision of the mechanical rotating body, and can be divided into two main types of rolling bearings and sliding bearings according to the difference of the friction properties of moving elements, wherein the rolling bearings are standardized and serialized, but compared with the sliding bearings, the rolling bearings are larger in radial dimension, larger in vibration and higher in cost, and generally consist of four parts of an outer ring, an inner ring, rolling bodies and a retainer, and the rolling bearings are divided into two main types of ball bearings and roller bearings according to the shape of the rolling bodies, and when the bearings are used, bearing seats are generally needed to be matched for supporting the bearings.

The bearing frame can increase the coefficient of friction when the bearing rotates because of inside dust entering in a period of use, and the bearing probably can excessively wear, and then leads to bearing life to reduce the pivot can lead to the bearing to produce vibrations and produce the noise in the bearing at a high speed rotation in the bearing simultaneously to influence the stability of bearing frame.

Disclosure of Invention

The utility model mainly solves the technical problems in the prior art and provides the bearing seat with the dustproof function.

The technical problems of the utility model are mainly solved by the following technical proposal: the utility model provides a bearing frame with dustproof function, includes the base, be equipped with the shell on the base, be fixed with backup pad and floor between shell and the base, the shield is installed to the front end of shell, and the symmetry is equipped with the end cover on the rear end of shell and the shield, all is equipped with the dust keeper in 2 end covers, installs roller bearing in the shell, is equipped with spring and shock pad between shell and the roller bearing, and shell inner wall and shock pad are fixed respectively at the both ends of spring, and the shock pad supports on roller bearing.

Preferably, the dust-proof member is a ring-shaped double-lip sealing strip, and the double-lip sealing strip is made of fluororubber or polytetrafluoroethylene.

Preferably, the roller bearing comprises a bearing inner ring, a bearing outer ring and balls, wherein a plurality of balls are embedded and installed between the bearing outer ring and the bearing inner ring, and the shock pad is abutted on the bearing outer ring.

Preferably, a positioning groove is formed in the front end face of the shell, and a positioning block inserted into the positioning groove is arranged on the cover plate of the dust cover.

Preferably, 8 springs and shock pads are arranged in the shell in an annular array, and the 8 shock pads are propped against the roller bearing.

Preferably, a bolt is connected between the dust cover and the shell in a threaded manner.

The utility model has the beneficial effects that:

according to the utility model, the dustproof cover is arranged at the front end of the shell, and the end covers with the double-lip sealing strips fixed inside are arranged at the rear ends of the dustproof cover and the shell, so that dust in the bearing seat can be reduced during use, the friction coefficient increased due to the dust in the bearing rotation is avoided, and the service life of the bearing is prolonged.

According to the utility model, 8 springs are arranged in the shell in the annular array, and the damping pads propped against the roller bearing are fixed on the 8 springs, so that the damping and noise reduction effects can be realized when the roller bearing rotates, and the stability of the bearing seat is improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic cross-sectional view of the present utility model;

FIG. 3 is a schematic cross-sectional view of another embodiment of the present utility model;

FIG. 4 is an enlarged schematic view at A in FIG. 3;

fig. 5 is an enlarged schematic view at B in fig. 3.

In the figure: 1. a base; 2. a housing; 3. a support plate; 4. rib plates; 5. a dust cover; 6. an end cap; 7. a dust-proof member; 8. a roller bearing; 9. a spring; 10. a shock pad; 11. a bearing inner ring; 12. a bearing outer ring; 13. a ball; 14. a positioning groove; 15. a positioning block; 16. and (5) a bolt.

Detailed Description

The technical scheme of the utility model is further specifically described below through examples and with reference to the accompanying drawings.

Examples: the utility model provides a bearing frame with dustproof function, as shown in fig. 1-5 (the dotted line rectangle shows as the pivot profile in fig. 3), which comprises a base 1, be equipped with shell 2 on the base 1, be fixed with backup pad 3 and floor 4 between shell 2 and the base 1, backup pad 3 and floor 4 are the cross-type and fix between shell 2 and base 1, shield 5 is installed to the front end of shell 2, be close to front end department annular array on the surface of shell 2 has 3 bolts 16, shield 5 passes through 3 bolts 16 to be fixed at the front end of shell 2, positioning groove 14 has still been seted up on the front end of shell 2, be equipped with locating piece 15 on the apron of shield 5, the locating piece 15 grafting on shield 5 is in the positioning groove 14 on shell 2 during the installation, be convenient for shield 5 corresponds with the screw on shell 2, make things convenient for bolt 16 quick to fix shield 5, install roller bearing 8 in shell 2, roller bearing 8 includes bearing inner race 11, bearing 12 and ball 13, the embedding between bearing 12 and the bearing inner race 11 installs a plurality of balls 13, the inner wall of shell 2 is located and is equipped with the bearing 8 and is equipped with the bearing housing 8 and is equipped with the bearing 8 and is high-speed-absorbing pad that is equal to be used for 10, when the shock absorbing pad is fixed on the face 10, the equal to the face is high-absorbing pad is fixed.

The rear end of the shell 2 and the dust cover 5 are symmetrically provided with end covers 6, dust-proof pieces 7 are respectively arranged in the 2 end covers 6, the dust-proof pieces 7 are annular double-lip sealing strips, the double-lip sealing strips are made of fluororubber or polytetrafluoroethylene, the fluororubber and the polytetrafluoroethylene can enable the bearing seat to be applied to an environment with the temperature of up to 200 ℃, and when the bearing seat is used, lubricating grease is introduced between the double lips of the double-lip sealing strips, so that the dust-proof performance can be further improved.

The principle of the utility model is as follows:

during the use, place roller bearing 8 between 8 shock pad 10 in shell 2, then with locating piece 15 alignment constant head tank 14 of shield 5 in with its tip of inserting in shell 2 support the bearing, locating piece 15 peg graft in constant head tank 14, then fix the back with shield 5 through 3 bolts 16, introduce lubricating grease between the double lips of double-lip sealing strip, also can further reduce the coefficient of friction of double-lip sealing strip and pivot when improving the leakproofness, and then reached the bearing frame and have dustproof and shock attenuation noise reduction's effect when using.

Finally, it should be noted that the above embodiments are merely representative examples of the present utility model. Obviously, the utility model is not limited to the above-described embodiments, but many variations are possible. Any simple modification, equivalent variation and modification of the above embodiments according to the technical substance of the present utility model should be considered to be within the scope of the present utility model.

Claims (6)

1. Bearing frame with dustproof function, including base (1), its characterized in that: be equipped with shell (2) on base (1), be fixed with backup pad (3) and floor (4) between shell (2) and base (1), shield (5) are installed to the front end of shell (2), the symmetry is equipped with end cover (6) on the rear end of shell (2) and shield (5), all be equipped with dust keeper (7) in 2 end covers (6), install roller bearing (8) in shell (2), be equipped with spring (9) and shock pad (10) between shell (2) and roller bearing (8), the both ends of spring (9) are fixed shell (2) inner wall and shock pad (10) respectively, shock pad (10) support on roller bearing (8).

2. A bearing housing with dust protection as claimed in claim 1, wherein: the dustproof piece (7) is an annular double-lip sealing strip, and the double-lip sealing strip is made of fluororubber or polytetrafluoroethylene.

3. A bearing housing with dust protection as claimed in claim 1, wherein: the roller bearing (8) comprises a bearing inner ring (11), a bearing outer ring (12) and balls (13), wherein a plurality of balls (13) are embedded and installed between the bearing outer ring (12) and the bearing inner ring (11), and the shock pad (10) is abutted against the bearing outer ring (12).

4. A bearing housing with dust protection as claimed in claim 1, wherein: a positioning groove (14) is formed in the front end face of the shell (2), and a positioning block (15) inserted into the positioning groove (14) is arranged on the cover plate of the dust cover (5).

5. A bearing housing with dust protection as claimed in claim 1, wherein: the shell (2) is internally provided with 8 springs (9) and shock pads (10) in an annular array, and the 8 shock pads (10) are propped against the roller bearing (8).

6. A bearing housing with dust protection as claimed in claim 1, wherein: a bolt (16) is connected between the dust cover (5) and the shell (2) in a threaded manner.