CN219994181U - Double-half inner ring deep groove ball bearing convenient to detect - Google Patents

Abstract

The utility model discloses a double-half inner ring deep groove ball bearing convenient to detect, which comprises an outer ring and an inner ring, wherein a contact ring used for being in contact with the output end of external sensing equipment is arranged on one side of the inner peripheral wall of the outer ring, a connecting piece used for fixing the contact ring on the outer ring is arranged on the outer ring, contact protrusions are circumferentially distributed on the outer wall of the contact ring, the radial section of each contact protrusion is in an arc shape, and a matching piece used for concentrating compressive stress of the contact ring is arranged on the inner peripheral wall of the outer ring corresponding to the position of the contact ring. The utility model solves the problem that a bearing which can be matched with a pressure sensor and has a certain compression stress concentration at the contact position with the output end of the sensor is lacking in the prior art.

Description

Double-half inner ring deep groove ball bearing convenient to detect

Technical Field

The utility model relates to the technical field of bearings, in particular to a double-half inner ring deep groove ball bearing convenient to detect.

Background

With the rapid development of the mechanical industry, the bearing is used as a connecting part for rotation and support, and the demand for the bearing is increasing. Under the continuous development of new energy, the requirement of a demanding party on the high bearing performance of the bearing is higher and the effective space utilization rate of the bearing and matched components in a limited space range is higher, for example, the arrangement of the pressure sensor in an automobile brake system is carried out, the bearing matched with the pressure sensor is required to be produced by a supplier, the requirements on bearing stress concentration and high-sensitivity conduction are higher and higher, and the bearing matched with the pressure sensor and provided with a certain stress concentration at the contact position with the output end of the sensor is lacking in the prior art.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a double-half inner ring deep groove ball bearing convenient to detect, which aims to solve the problem that a bearing which can be matched with a pressure sensor and has a certain compression stress concentration at a position contacted with the output end of the sensor is lacking in the prior art.

In order to achieve the above purpose, the utility model provides a double-half inner ring deep groove ball bearing convenient to detect, which comprises an outer ring and an inner ring, wherein one side of the inner peripheral wall of the outer ring is provided with a contact ring used for contacting with the output end of external sensing equipment, the outer ring is provided with a connecting piece used for fixing the contact ring on the outer ring, the outer wall of the contact ring is annularly provided with contact protrusions, the radial section of each contact protrusion is in an arc shape, and the inner peripheral wall of the outer ring is provided with a matching piece which is used for concentrating the compressive stress of the contact ring corresponding to the position of the contact ring.

The technical scheme is beneficial in that: in the technology, the contact ring is detachably arranged on the outer ring through the connecting piece, and the outer wall of the contact ring can be directly contacted with the output end of the external pressure sensor when the bearing is arranged in the external tool, so that the external pressure sensor can perform high-sensitivity feedback and generate pressure data received by the outer ring, the conduction force is improved, meanwhile, the force concentration and the force conduction are improved through the cooperation of the cooperation piece and the contact ring, and the detection accuracy of the external sensor is improved; the thickness of the contact ring in the technology can be thicker and better according to production requirements, so that stress concentration and data acquisition are improved, and meanwhile, the contact ring is detachably connected through the connecting piece, so that the contact rings with different sizes or different types can be replaced according to actual use requirements and operation conditions, and the application range is improved; the bearing inner ring is two double half inner rings, is in two-point contact, has a certain contact angle, improves the axial and radial bearing capacity of the bearing and ensures that the bearing has small axial movement.

The utility model further provides that: the matching piece comprises a matching ring arranged on the inner peripheral wall of the outer ring, and the outer wall of the matching ring is in contact with the inner wall of the contact ring.

The technical scheme is beneficial in that: the outer wall of the matching ring is in contact with the inner wall of the contact ring in the technology, so that the outer ring is limited by the matching ring when being subjected to pressure, meanwhile, the matching ring can further conduct the moment from the outer ring, and the matching ring can correctly apply the moment to the contact ring according to the force application direction, so that the detection accuracy of an external sensor is ensured.

The utility model further provides that: a stress ring is arranged between the outer wall of the matching ring and the inner wall of the contact ring, and the stress ring is made of elastic materials.

The technical scheme is beneficial in that: the setting of atress circle can effective conduction moment, and the atress circle is made by elastic material simultaneously for moment pressurized can not be too big between contact ring and the cooperation ring to lead to cooperation ring or contact ring to damage, and its elasticity of this atress circle can be changed according to actual operating mode or sensing precision requirement, if changes into semi-hard or full hard material.

The utility model further provides that: the contact ring outer wall extends towards the outer lane lateral wall on, a plurality of first trompils have been seted up to the hoop along the go-between axis direction on the go-between, correspond every first trompil position on the outer lane lateral wall and all be provided with the second trompil, every equal threaded connection has the connecting rod on the second trompil, every the connecting rod all sets up with the first trompil screw-thread fit that corresponds respectively.

The technical scheme is beneficial in that: when the contact ring is required to be installed, the connecting rod is in threaded connection with the corresponding first opening and the corresponding second opening, so that the connecting ring is connected with the side wall of the outer ring, the contact ring is fixed between the outer ring and the inner ring, the contact ring can be stably detected by the pressure sensor when the contact ring is subjected to the torque transmitted by the outer ring, the stability of the contact ring on the outer ring in the detection process is improved, and meanwhile, the dismounting mode is convenient for an operator to dismount the bearing.

The utility model further provides that: a rolling cavity is formed between the outer ring and the inner ring, and a plurality of oil injection holes communicated with the rolling cavity are circumferentially distributed on the inner ring.

The technical scheme is beneficial in that: the oil filling hole is convenient for the outside lubricating grease to smoothly enter the bearing for oil supplementing operation.

The utility model further provides that: the contact ring is characterized in that a limiting ring is arranged on the inner peripheral wall of the contact ring, the limiting ring is made of a shape memory alloy material, the limiting ring is provided with a first shape at a first temperature, the limiting ring is provided with a second shape at a second temperature, the limiting ring bends under the first shape, a limiting surface used for being in contact with the outer wall of the output end of external sensing equipment is formed between the outer wall of the limiting ring and the outer wall of the contact ring, and the axis of the limiting ring is aligned with the axis of the contact ring under the second shape.

The technical scheme is beneficial in that: in the technology, the limiting ring is made of the shape memory alloy material, the temperature of the whole body of the bearing can be gradually increased in operation, the temperature of the bearing can reach more than 35 ℃, the shape memory alloy can be deformed at more than 35 ℃, so that the temperature of the shape memory alloy is more than 35 ℃ and is the first temperature, at the moment, the deformation and bending of the limiting ring enable the limiting surface to be in contact with the outer wall of the output end of the external sensing device, and therefore the output end of the external sensing device cannot be separated from the contact ring to cause detection failure when the bearing runs at a high speed; and when the bearing stops running, the temperature can gradually drop to below 35 degrees, and this temperature range is the second temperature this moment, and the spacing ring deformation makes its axis and contact ring axis align the setting under the second temperature range, and then makes things convenient for operating personnel to align and dismouting, with this dismouting efficiency that improves the bearing avoids producing the interference to external frock when the bearing is not moving.

Drawings

FIG. 1 is a sectional view of the present utility model in use;

fig. 2 is a cross-sectional view of the present utility model in an unused state.

Detailed Description

The utility model provides a conveniently-detected double-half inner ring 2 deep groove ball bearing, which comprises an outer ring 1 and an inner ring 2, wherein one side of the inner peripheral wall of the outer ring 1 is provided with a contact ring 3 used for contacting with the output end of external sensing equipment, the outer ring 1 is provided with a connecting piece used for fixing the contact ring 3 on the outer ring 1, the outer wall of the contact ring 3 is annularly provided with contact protrusions, the radial sections of the contact protrusions are arranged in an arc shape, the inner peripheral wall of the outer ring 1 is provided with a matching piece used for concentrating compressive stress of the contact ring 3 at a position corresponding to the contact ring 3, the matching piece comprises a matching ring 11 arranged on the inner peripheral wall of the outer ring 1, the outer wall of the matching ring 11 is in contact with the inner wall of the contact ring 3, a stress ring 12 is arranged between the outer wall of the matching ring 11 and the inner wall of the contact ring 3, the stress ring 12 is made of an elastic material, the outer wall of the contact ring 3 extends towards the side wall of the outer ring 1, a plurality of first holes 321 are annularly arranged on the connecting ring 32 along the axial direction of the connecting ring 32, a second hole 13 is arranged on the side wall of the outer ring 1 corresponding to each first hole 321, a connecting rod 4 is connected with each second hole 13 in a threaded manner, each connecting rod 4 is arranged in a threaded manner with the corresponding first hole 321, a rolling cavity is formed between the outer ring 1 and the inner ring 2, a plurality of oil holes 21 communicated with the rolling cavity are annularly arranged on the inner ring 2, a limiting ring 5 is arranged on the inner peripheral wall of the contact ring 3, the limiting ring 5 is made of a shape memory alloy material, the limiting ring 5 has a first shape at a first temperature, the limiting ring 5 has a second shape at a second temperature, the limiting ring 5 is bent under the first state, a limiting surface used for being in contact with the outer wall of the output end of the external sensing equipment is formed between the outer wall of the limiting ring 5 and the outer wall of the contact ring 3, and the axis of the limiting ring 5 is aligned with the axis of the contact ring 3 under the second state.

While the basic principles and main features of the present utility model and advantages of the present utility model have been shown and described, it will be understood by those skilled in the art that the present utility model is not limited by the foregoing embodiments, which are described in the foregoing specification merely illustrate the principles of the present utility model, and various changes and modifications may be made therein without departing from the spirit and scope of the utility model, which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a two half inner circle deep groove ball bearings convenient to detect which characterized in that: the outer ring is provided with a connecting piece for fixing the contact ring on the outer ring, contact bulges are circumferentially distributed on the outer wall of the contact ring, the radial sections of the contact bulges are arranged in an arc shape, and matching pieces for enabling the contact ring to be stressed concentratedly are arranged at positions corresponding to the contact ring on the inner peripheral wall of the outer ring.

2. The conveniently detected double half inner ring deep groove ball bearing according to claim 1, wherein: the matching piece comprises a matching ring arranged on the inner peripheral wall of the outer ring, and the outer wall of the matching ring is in contact with the inner wall of the contact ring.

3. The conveniently detected double half inner ring deep groove ball bearing according to claim 2, wherein: a stress ring is arranged between the outer wall of the matching ring and the inner wall of the contact ring, and the stress ring is made of elastic materials.

4. The conveniently detected double half inner ring deep groove ball bearing according to claim 1, wherein: the contact ring outer wall extends towards the outer lane lateral wall on, a plurality of first trompils have been seted up to the hoop along the go-between axis direction on the go-between, correspond every first trompil position on the outer lane lateral wall and all be provided with the second trompil, every equal threaded connection has the connecting rod on the second trompil, every the connecting rod all sets up with the first trompil screw-thread fit that corresponds respectively.

5. The conveniently detected double half inner ring deep groove ball bearing according to claim 1, wherein: a rolling cavity is formed between the outer ring and the inner ring, and a plurality of oil injection holes communicated with the rolling cavity are circumferentially distributed on the inner ring.

6. The conveniently detected double half inner ring deep groove ball bearing according to claim 1, wherein: the contact ring is characterized in that a limiting ring is arranged on the inner peripheral wall of the contact ring, the limiting ring is made of a shape memory alloy material, the limiting ring is provided with a first shape at a first temperature, the limiting ring is provided with a second shape at a second temperature, the limiting ring bends under the first shape, a limiting surface used for being in contact with the outer wall of the output end of external sensing equipment is formed between the outer wall of the limiting ring and the outer wall of the contact ring, and the axis of the limiting ring is aligned with the axis of the contact ring under the second shape.