CN215110138U - Pressure plate bearing with clamping jaw connecting structure - Google Patents

Abstract

The utility model discloses a clamp plate bearing with jack catch connection structure, including clamp plate and bearing, the clamp plate is including cup jointing the hole with the cooperation of bearing inner race cup joints, be provided with annular first draw-in groove on the outer periphery wall of bearing inner race, the clamp plate then corresponds on cup jointing the interior perisporium in hole and is provided with at least three second draw-in groove, and a jack catch is all installed along cup jointing the interior perisporium circumference equipartition in hole to these second draw-in grooves between every second draw-in groove and the first draw-in groove, constitutes the axial positioning cooperation between bearing inner race and the clamp plate based on these jack catches, the utility model discloses a clamp plate bearing not only connects reliably, simple to operate moreover.

Description

Pressure plate bearing with clamping jaw connecting structure

Technical Field

The utility model relates to a clamp plate bearing with jack catch connection structure.

Background

At present, the big difficult problem of clamp plate bearing unit is exactly the connection cooperation problem of clamp plate and bearing inner race, on the cooperation problem is connected with the bearing to the clamp plate: the main means abroad is welding and riveting and protect with long-term application patent, it is domestic mainly to come snap-fit clamp plate and bearing through the snap ring, the cooperation structure use is connected with the bearing in the conventional internal and external clamp plate and often appears because of bearing unit in the handling or receive the phenomenon that clamp plate and bearing drop under certain vibration operating mode to and the clamp plate bearing unit receives stress concentration to appear in the bearing outer race that the snap ring was used for connecting under great impact load operating mode at work and leads to the broken product that causes of bearing outer race to become invalid in advance. The bearing pressing plate and the bearing connecting mode of the pressing plate structure with the conventional design have strict requirements on production, transportation and use by customers in the using process, so that the original design structure is not suitable for mass production. This requires the optimal design and adjustment of the connection between the bearing pressing plate and the bearing in the pressing plate structure.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a connect reliable, simple to operate's clamp plate bearing.

In order to achieve the above object, the utility model provides a following technical scheme: the pressing plate bearing with the clamping jaw connecting structure comprises a pressing plate and a bearing, wherein the pressing plate comprises a sleeve joint hole matched and sleeved with a bearing outer ring, an annular first clamping groove is formed in the outer circumferential wall of the bearing outer ring, at least three second clamping grooves are correspondingly formed in the inner circumferential wall of the sleeve joint hole of the pressing plate, the second clamping grooves are uniformly distributed along the circumferential direction of the inner circumferential wall of the sleeve joint hole, a clamping jaw is installed between each second clamping groove and the first clamping groove, and the clamping jaws form axial positioning matching between the bearing outer ring and the pressing plate.

Furthermore, the second clamping groove is provided with a first opening on the axial side end face of the pressing plate, a second opening is arranged on the circumferential wall of the inner circle of the pressing plate sleeving hole, the clamping jaw comprises a main body, a first abutting part and a second abutting part, the first abutting part and the main body are integrally connected to one end of the main body, the second abutting part is integrally connected to the other end of the main body, the first abutting part and the main body are respectively accommodated in the first opening and the second opening, and the second abutting part is accommodated in the first clamping groove.

Furthermore, a groove is formed in the axial inner wall of the first clamping groove on one side corresponding to the second abutting portion, and the second abutting portion is of an inverted hook structure matched with the groove in a hooking mode.

Further, the other end of the main body is arc-shaped.

Further, the bearing outer ring is provided with an annular gap, the first clamping groove is arranged on the circumferential wall of the gap, the gap is provided with an annular and smooth abutting end face, and the abutting end face of the gap is matched with the end face of the other axial end of the pressing plate in an abutting mode and is limited.

Further, the groove is an oblique angle groove.

Further, the inclination angle of the inclined angle groove is 75 degrees.

Further, the first abutment is fully seated into the first opening.

The utility model has the advantages that: the clamp plate is connected with the bearing outer ring through the clamping jaws, the clamp plate bearing is simple in structure and convenient to install, normal bearing and operation of the clamp plate bearing can be guaranteed, the clamping jaws are arranged between the first clamping groove and the second clamping groove, interference between the clamp plate bearing and other parts is not prone to occurring, production efficiency can be greatly improved, and cost is saved.

Drawings

FIG. 1 is a schematic diagram of an embodiment of the present invention;

fig. 2 is a partial cross-sectional view of an embodiment of the invention;

FIG. 3 is a structural diagram of a jaw according to an embodiment of the present invention;

fig. 4 is a structural diagram of a second card slot according to an embodiment of the present invention.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

The utility model discloses clamp plate bearing's with jack catch connection structure embodiment is shown in fig. 1-4, including clamp plate 1 and bearing 2, clamp plate 1 is including the hole 11 that cup joints with the cooperation of bearing 2 outer lane, be provided with annular first draw-in groove 31 on the outer perisporium of bearing 2 outer lane, the clamp plate then corresponds on cup jointing the interior perisporium of hole 11 and is provided with three second draw-in groove 32, three second draw-in groove 32 along cup jointing the interior perisporium circumference equipartition of hole 11, in other embodiments, also can set up four or more second draw-in grooves 32 for providing stronger, reliable connection effect, all install a jack catch 4 between every second draw-in groove 32 and the first draw-in groove 31, constitute the axial positioning cooperation between bearing 2 outer lane and the clamp plate 1 based on these jack catches 4, jack catch 4 preferred adoption is made with elastic metal material.

The second slot 32 is provided with a first opening 321 on one axial end face of the pressure plate 1, a second opening 322 is provided on the inner circumferential wall of the sleeving hole 11 of the pressure plate 1, the first opening 321 is communicated with the second opening 322, the jaw 4 comprises a main body 41, a first abutting part 42 integrally connected to one end of the main body 41, and a second abutting part 43 integrally connected to the other end of the main body 41, the first abutting part 42 and the main body 41 are respectively accommodated in the first opening 321 and the second opening 322, the second abutting part 43 is accommodated in the first slot 31, the first opening 321 has a depth at least larger than that of the first abutting part 42, so that the first abutting part 42 can be completely inserted into the first opening 321, the design can avoid the risk of interference with other parts, and simultaneously ensure that the axial end faces of the pressure plate 1 and the bearing are flush, and improve the product precision, the use and the installation are convenient.

A groove 311 is formed in an axial inner wall of the first slot 31 on one side corresponding to the second abutting portion 43, and the second abutting portion 43 is in an inverted hook structure engaged with the groove 311.

The other end of the main body 41 is arc-shaped, so that the main body can be conveniently guided to be inserted between the first clamping groove 31 and the second clamping groove 32, and the arc-shaped design can play a role in promoting the deformation of the main body in the insertion process.

The bearing 2 outer ring is provided with annular opening 21, first draw-in groove 31 sets up the circumference wall department at opening 21, opening 21 has an annular and smooth butt terminal surface 211, the butt terminal surface 211 of opening 21 is spacing with the cooperation butt of the 1 axial opposite side terminal surface of clamp plate, through first butt portion 42 with butt terminal surface 211 is spacing to the 1 axial both sides terminal surface of clamp plate, realizes that the axial between 1 outer ring of clamp plate and the bearing is spacing.

The groove 311 is an oblique groove, and the angle of inclination of the oblique groove is preferably 75 degrees.

During assembly, the outer ring of the bearing 2 is sleeved in the sleeving hole 11 of the pressing plate 1, then the arc-shaped other end of the main body 41 of the clamping jaw 4 is correspondingly inserted and clamped into the first clamping groove 31 and each second clamping groove 32, the first abutting part 42 of the clamping jaw 4 is placed into the first opening 321, the main body 41 is placed into the second opening 322, and the second abutting part 43 is hooked in the groove 311 by utilizing the elastic deformation capacity of the clamping jaw 4, so that the clamping connection of the clamping jaw 4 and the outer ring of the bearing 2 is realized. The groove 311 adopts an oblique angle groove structure, so that the claw 4 can be effectively prevented from being disengaged from the groove 311. Even if the first catching groove 31 is designed in a ring shape, the second abutting portion 43 of the claw 4 can make a circular motion along the first catching groove 31.

The utility model discloses a clamp plate and bearing pass through the jack catch and realize reliably being connected, no longer need independent riveting technology equipment clamp plate and bearing body, and the direct structural feature through the jack catch part carries out the lock card, can greatly improve production efficiency, practices thrift the cost and facilitates the use installation.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (8)

1. The utility model provides a clamp plate bearing with jack catch connection structure, includes clamp plate and bearing, and the clamp plate is including the hole of cup jointing that cup joints with the cooperation of bearing inner race, its characterized in that: the bearing outer ring is characterized in that an annular first clamping groove is formed in the outer circumferential wall of the bearing outer ring, at least three second clamping grooves are correspondingly formed in the inner circumferential wall of the pressing plate sleeving hole, the second clamping grooves are uniformly distributed along the circumferential direction of the inner circumferential wall of the sleeving hole, a clamping jaw is installed between each second clamping groove and the first clamping groove, and the clamping jaws form axial positioning fit between the bearing outer ring and the pressing plate.

2. The platen bearing with jaw connection according to claim 1, wherein: the second clamping groove is provided with a first opening on the end face of one axial side of the pressing plate, a second opening is arranged on the inner circumferential wall of the pressing plate sleeving hole, the clamping jaw comprises a main body, a first abutting part and a second abutting part, the first abutting part and the main body are integrally connected to one end of the main body, the second abutting part is integrally connected to the other end of the main body, the first abutting part and the main body are respectively accommodated in the first opening and the second opening, and the second abutting part is accommodated in the first clamping groove.

3. The platen bearing with jaw connection according to claim 2, wherein: a groove is formed in the axial inner wall of one side, corresponding to the second abutting portion, of the first clamping groove, and the second abutting portion is of an inverted hook structure matched with the groove in a hooking mode.

4. The platen bearing with jaw connection according to claim 3, wherein: the other end of the main body is arc-shaped.

5. The platen bearing with jaw connection according to claim 3, wherein: the bearing outer ring is provided with an annular gap, the first clamping groove is arranged on the circumferential wall of the gap, the gap is provided with an annular and smooth abutting end face, and the abutting end face of the gap is matched with the end face of the other axial end of the pressing plate in an abutting mode and is limited.

6. The platen bearing with jaw connection according to claim 3, wherein: the groove is an oblique angle groove.

7. The platen bearing with jaw connection according to claim 6, wherein: the inclination angle of the bevel groove is 75 degrees.

8. The platen bearing with jaw connection according to claim 2, wherein: the first abutment is fully seated in the first opening.

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