CN219121275U

CN219121275U - Bearing outer ring inner diameter detector

Info

Publication number: CN219121275U
Application number: CN202222912383.2U
Authority: CN
Inventors: 吴兴国; 罗洪昌; 熊永华
Original assignee: Ningbo Hejia Bearing Co ltd
Current assignee: Ningbo Hejia Bearing Co ltd
Priority date: 2022-11-02
Filing date: 2022-11-02
Publication date: 2023-06-02
Anticipated expiration: 2032-11-02

Abstract

The utility model relates to the technical field of bearing detection and discloses a bearing outer ring inner diameter detector which comprises a wire sleeve, wherein a mounting frame is arranged at the upper end of the wire sleeve, a screw rod is arranged at the inner side of the mounting frame, a wire sleeve is screwed at the outer side of the screw rod, a movable detection head is inserted at the side part of the wire sleeve in a sliding manner, a fixed detection head is arranged at the side part of the mounting frame, a limit rod is arranged at the outer side of the mounting frame, and a detection sheet is arranged at the side part of the movable detection head; the fixed detection head and the movable detection head are inserted into the outer ring of the bearing, the movable detection head moves downwards, the movable detection head moves left and right when the limit rod avoids screwing the movable detection head until the wire sleeve is difficult to continue screwing, the scale mark data corresponding to the detection piece is the inner diameter of the outer ring of the bearing, the problems that a caliper is difficult to keep vertical to the bearing as far as possible, the fixed end and the movable end of the caliper are tightly attached to the inner wall of the outer ring of the bearing, the caliper is difficult to ensure to be positioned on the inner diameter of the outer ring of the bearing, and errors occur in detection results easily are caused.

Description

Bearing outer ring inner diameter detector

Technical Field

The utility model relates to the technical field of bearing detection, in particular to a bearing outer ring inner diameter detector.

Background

The bearing is an important part in modern mechanical equipment, and has the main functions of supporting a mechanical rotating body, reducing friction coefficient in the motion process and guaranteeing the rotation precision, the bearing generally consists of an outer ring, a retainer and an inner ring, the outer ring and the inner ring are annular, the retainer is arranged between the outer ring and the inner ring, and when the bearing is used, a bearing detector is required to detect and measure some data such as the roundness, the diameter of the inner ring and the outer ring of the bearing so as to judge whether the bearing accords with the use standard.

At present, an instrument for detecting the inner diameter of the outer ring of the bearing is a vernier caliper, a handheld caliper and a handheld bearing, wherein the upper side of the fixed end of the caliper is tightly attached to the inner wall of the outer ring of the bearing, then the thumb is used for outwards poking the movable end, so that the movable end is far away from the fixed end and tightly attached to the inner wall of the outer ring of the bearing, and then the vernier connected with the movable end is read to correspond to the scale data on the caliper body; therefore, the existing requirements are not met, and a bearing outer ring inner diameter detector is provided.

Disclosure of Invention

The utility model provides a bearing outer ring inner diameter detector, which has the beneficial effects that the problems that in the background technology, a handheld vernier caliper is difficult to keep the caliper vertical to a bearing, the fixed end and the movable end of the caliper are both tightly attached to the inner wall of the bearing outer ring, the fixed end and the movable end of the caliper are difficult to ensure to be positioned on the inner diameter of the bearing outer ring, and errors are easy to occur in detection results are solved.

The utility model provides the following technical scheme: the utility model provides a bearing inner diameter detector, includes the base, the base upside is provided with the silk sleeve pipe, silk sleeve pipe upper end is provided with the installing frame, the installing frame inboard is provided with the lead screw, the outside spiro union of lead screw has the silk cover, silk cover lateral part slip is inserted and is equipped with the slider, the movable detection head is installed to the slider lateral part, silk cover lateral part is provided with the spout, fixed detection head is installed to installing frame lateral part, the installing frame outside is provided with the gag lever post, the gag lever post sets up to a plurality of, the detection piece is installed to movable detection head lateral part.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: bolts are installed on the side parts of the base.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: the vertical frame is arranged on the upper side of the base, the wire sleeve is inserted into the inner side of the vertical frame, the screw rod is screwed into the wire sleeve, the motor is arranged on the inner side of the vertical frame, and an output shaft of the motor is in transmission connection with the screw rod.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: the installation plate is installed to silk sleeve pipe upper end, the installing frame with the mounting plate is connected.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: the cross section of the installation frame is square, openings are formed in four side faces of the installation frame, and one part of the wire sleeve protrudes through the openings in the side parts of the installation frame.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: limiting blocks are arranged on the side portions of the sliding blocks, and the number of the limiting blocks is set to be a plurality.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: the sliding groove is matched with the sliding block and the limiting block for use, and the sliding groove ring is arranged on one circle of the wire sleeve.

As an alternative scheme of the bearing outer ring inner diameter detector, the utility model comprises the following steps: the movable detection head and the side part of the fixed detection head are provided with balls, the number of the balls is a plurality, and the movable detection head and the balls on the fixed detection head are arranged in a back-to-back mode.

The utility model has the following beneficial effects:

1. this bearing outer lane internal diameter detector inserts fixed detection head and activity detection head in the outer lane of bearing for the bearing hangs on fixed detection head, twists the silk cover, and the slider slides in the spout, makes the activity detection head that is connected with the slider move slowly downwards, and through the setting of gag lever post, when avoiding twisting the silk cover, the activity detection head moves about and influences the detection, until the silk cover is difficult to continue to twist, the activity detection head is supported promptly and is pressed at the inner wall summit of bearing outer lane, the scale mark data that the detection piece corresponds is the internal diameter size of this bearing outer lane at this moment, it is difficult to keep slide caliper to keep vertical as far as possible, slide caliper's stiff end and moving end all paste on the inner wall of bearing outer lane, but be difficult to ensure that slide caliper stiff end and moving end are in the inner diameter of bearing outer lane, cause the problem that the testing result appears the error easily.

2. This bearing inner diameter detector drives the lead screw rotation through the motor, and the lead screw is rotatory in wire sleeve inboard for wire sleeve slides from top to bottom in upright frame inboard, is convenient for adjust wire sleeve's height that stretches out, thereby is convenient for adjust the height of installing the frame.

3. This bearing outer lane internal diameter detector, through the setting of ball for the inner wall mutual contact of ball and bearing outer lane, the ball rolls on activity detection head and fixed detection head, reduces frictional force, makes activity detection head and fixed detection head be in on the internal diameter of bearing outer lane as far as possible, and frictional force is great when solving activity detection head and fixed detection head and bearing outer lane's inner wall contact, easily causes the problem of influence to the testing result.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

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

Fig. 3 is a right-side view of a partial structure of the present utility model.

Fig. 4 is an enlarged schematic view of the structure of the present utility model at a.

In the figure: 110. a base; 111. a bolt; 120. a wire sleeve; 121. a vertical frame; 122. a screw rod; 123. a motor; 130. a mounting frame; 131. a mounting plate; 140. a screw rod; 150. a silk sleeve; 160. a slide block; 161. a limiting block; 170. a movable detection head; 180. a chute; 190. fixing a detection head; 191. a ball; 210. a limit rod; 220. and (3) detecting the sheet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The embodiment aims to facilitate solving the problem that a handheld vernier caliper is difficult to keep the caliper vertical to a bearing, the fixed end and the movable end of the caliper are tightly attached to the inner wall of the bearing outer ring, but the fixed end and the movable end of the caliper are difficult to ensure to be positioned on the inner diameter of the bearing outer ring, and errors occur in detection results easily, refer to fig. 1, 2, 3 and 4, and the bearing outer ring inner diameter detector comprises a base 110, two mounting screw holes are formed in the side part of the base 110, bolts 111 are screwed into the mounting screw holes, the base 110 is conveniently fixed on a workbench, the bolts 111 are conveniently taken out when the fixing is not needed, a wire sleeve 120 is arranged on the upper side of the base 110, a mounting frame 130 is arranged at the upper end of the wire sleeve 120, a screw rod 140 is arranged at the inner side of the mounting frame 130, fine threads are arranged at the outer side of the screw rod 140, the outer side of the screw rod 140 is provided with threads, the effect of increasing friction force is achieved, the cross section of the mounting frame 130 is conveniently screwed into a square, the mounting frame 130 is hollow, four sides of the mounting frame 130 are respectively provided with openings, and one part of the wire sleeve 150 protrudes out of the opening 130.

The slider 160 is inserted in the sliding of silk cover 150 lateral part, slider 160 sets up to the spheroid, and stopper 161 is installed to slider 160 lateral part, and slider 160 and stopper 161 are an organic whole piece, and the quantity of stopper 161 sets up to two altogether from top to bottom, prevents that slider 160 from rotating in the upper and lower direction, and movable detection head 170 is installed to slider 160 lateral part, and silk cover 150 lateral part is provided with spout 180, and spout 180 cooperates with slider 160 and stopper 161 to use, and spout 180 encircles silk cover 150 a week setting for slider 160 and stopper 161 can rotate around the outside of silk cover 150.

The fixed detection head 190 is installed to the mounting frame 130 lateral part, the center of activity detection head 170 and fixed detection head 190 is in a vertical line, and activity detection head 170 and fixed detection head 190 are comparatively tiny, be convenient for insert it in the bearing outer lane, the mounting frame 130 outside is provided with gag lever post 210, gag lever post 210 sets up two, and two gag lever posts 210 press close to respectively in the front and back both sides of activity detection head 170, the activity detection head 170 left and right sides removes when avoiding twisting wire cover 150, the detection piece 220 is installed to activity detection head 170 lateral part, the upper edge of detection piece 220 is provided with the cutting edge, and the cutting edge of detection piece 220 is in a horizontal line with the summit of ball 191 of activity detection head 170 downside, the mounting frame 130 lateral part is provided with the scale mark, the scale mark is from small to big from top to bottom on mounting frame 130, and "0" scale and the summit of fixed detection head 190 upside ball 191 are in a horizontal line, be convenient for carry out the reading to the testing result.

In this embodiment: the fixed detection head 190 and the movable detection head 170 are inserted into the outer ring of the bearing, so that the bearing is hung on the fixed detection head 190, the wire sleeve 150 is screwed, the sliding block 160 slides in the sliding groove 180, the movable detection head 170 connected with the sliding block 160 moves downwards slowly, and through the arrangement of the limiting rod 210, the problem that the detection result is easy to be error because the wire sleeve 150 is difficult to continue screwing due to the fact that the movable detection head 170 moves left and right when the wire sleeve 150 is screwed is avoided, the movable detection head 170 is abutted against the top of the inner wall of the outer ring of the bearing, at the moment, scale mark data corresponding to the detection piece 220 is the inner diameter of the outer ring of the bearing, the problem that a handheld vernier caliper is difficult to keep the caliper perpendicular to the bearing as far as possible, and the fixed end and the movable end of the caliper are all attached to the inner wall of the outer ring of the bearing, but the fixed end and the movable end of the caliper are difficult to be ensured to be located on the inner diameter of the outer ring of the bearing is easy to cause.

Example 2

The present embodiment is intended to facilitate the problem of inconvenient adjustment of the height of the mounting frame 130, and is an improvement made on the basis of embodiment 1, specifically, referring to fig. 1 and 2, a vertical frame 121 is installed at the central position of the upper side of the base 110, a wire sleeve 120 is inserted inside the vertical frame 121, a screw rod 122 is screwed into the wire sleeve 120, a motor 123 is installed inside the vertical frame 121, an output shaft of the motor 123 is in transmission connection with the screw rod 122, a mounting plate 131 is installed at the upper end of the wire sleeve 120, the wire sleeve 120 is connected with the central position of the lower side of the mounting plate, and the mounting frame 130 is connected with the central position of the upper side of the mounting plate 131.

In this embodiment: the motor 123 drives the screw rod 122 to rotate, and the screw rod 122 rotates on the inner side of the screw sleeve 120, so that the screw sleeve 120 slides up and down on the inner side of the vertical frame 121, the extending height of the screw sleeve 120 is convenient to adjust, and the height of the mounting frame 130 is convenient to adjust.

Example 3

The embodiment is intended to facilitate solving the problem that the friction force is large and the detection result is easily affected when the movable detection head 170 and the fixed detection head 190 are in contact with the inner wall of the bearing outer ring, the embodiment is an improvement made on the basis of embodiment 1, specifically, please refer to fig. 1, 2 and 4, the side parts of the movable detection head 170 and the fixed detection head 190 are provided with grooves, balls 191 are arranged in the grooves, the balls 191 are arranged as balls, the volume of the balls 191 is greater than one half of that of the balls are positioned in the grooves, the balls 191 can freely rotate in the grooves and cannot be separated from the grooves, the number of the balls 191 is a plurality, and the balls 191 on the movable detection head 170 and the fixed detection head 190 are arranged in a back manner, so that the balls 191 are in contact with the inner wall of the bearing outer ring, and the contact friction is reduced.

In this embodiment: through the setting of ball 191 for ball 191 and the inner wall of bearing outer lane contact each other, ball 191 rolls on movable detection head 170 and fixed detection head 190, reduces frictional force, makes movable detection head 170 and fixed detection head 190 be in on the internal diameter of bearing outer lane as far as possible, and frictional force is great when solving movable detection head 170 and fixed detection head 190 and the inner wall of bearing outer lane contact, easily causes the problem of influence to the testing result.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims

1. The utility model provides a bearing inner diameter detector, includes base (110), its characterized in that: the utility model discloses a movable detection head, including base (110), screw sleeve (120), mounting frame (130) inboard is provided with lead screw (140), lead screw (140) outside spiro union has silk cover (150), silk cover (150) lateral part slides and inserts and be equipped with slider (160), activity detection head (170) are installed to slider (160) lateral part, silk cover (150) lateral part is provided with spout (180), fixed detection head (190) are installed to mounting frame (130) lateral part, mounting frame (130) outside is provided with gag lever post (210), gag lever post (210) set up to a plurality of, detection piece (220) are installed to activity detection head (170) lateral part.

2. The bearing outer race inner diameter detector of claim 1, wherein: bolts (111) are arranged on the side parts of the base (110).

3. The bearing outer race inner diameter detector of claim 1, wherein: the utility model discloses a stand, including base (110), screw sleeve (120), stand frame (121) are installed to base (110) upside, screw sleeve (120) are inserted and are established stand frame (121) inboard, screw (122) are connected to screw sleeve (120) internal thread, stand frame (121) inboard installs motor (123), the output shaft of motor (123) with screw (122) transmission is connected.

4. The bearing outer race inner diameter detector of claim 1, wherein: the upper end of the wire sleeve (120) is provided with a mounting plate (131), and the mounting frame (130) is connected with the mounting plate (131).

5. The bearing outer race inner diameter detector of claim 1, wherein: the cross section of the mounting frame (130) is square, openings are formed in four side faces of the mounting frame (130), and a part of the wire sleeve (150) protrudes through the openings in the side parts of the mounting frame (130).

6. The bearing outer race inner diameter detector of claim 1, wherein: limiting blocks (161) are arranged on the side portions of the sliding blocks (160), and the number of the limiting blocks (161) is set to be a plurality.

7. The bearing outer race inner diameter detector of claim 1, wherein: the sliding groove (180) is matched with the sliding block (160) and the limiting block (161) for use, and the sliding groove (180) is arranged around the wire sleeve (150) in a circle.

8. The bearing outer race inner diameter detector of claim 1, wherein: the movable detection head (170) and the side part of the fixed detection head (190) are provided with balls (191), the number of the balls (191) is a plurality, and the movable detection head (170) and the balls (191) on the fixed detection head (190) are arranged in a back-to-back mode.