CN211145296U

CN211145296U - Combined cylindrical gear

Info

Publication number: CN211145296U
Application number: CN201921960043.9U
Authority: CN
Inventors: 蒋荣坤
Original assignee: Changzhou City Gleason Qianjin Gear Co ltd
Current assignee: Changzhou City Gleason Qianjin Gear Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-07-31
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to the technical field of gears, in particular to a combined cylindrical gear, which comprises a long shaft, a first gear, a second gear, a fixed sleeve and a limit sleeve, wherein the first gear, the second gear, the fixed sleeve and the limit sleeve are all provided with shaft holes matched with the long shaft, and the first gear, the second gear, the fixed sleeve and the limit sleeve are all arranged on the long shaft through the shaft holes, when the combined cylindrical gear is used, the first gear limits the axial displacement of the first gear by a first fixing mechanism and the fixed sleeve at two ends, the axial displacement of the second gear is respectively limited by the limit sleeve and a second fixing mechanism at two ends of the second gear, the radial displacement of the first gear and the second gear is limited by the matching of a slide block and a chute of the long shaft, thus, the distance between the first gear and the second gear can be conveniently adjusted through the combined installation, thereby reducing the error between the mating gears of the transmission gears.

Description

Combined cylindrical gear

Technical Field

The utility model belongs to the technical field of the gear technique and specifically relates to a combined cylindrical gear is related to.

Background

The washing machine is widely used in our life, a motor drives a transmission gear in the running process of the washing machine, so that power is transmitted to an execution part of the washing machine, the existing transmission gear is composed of a main body and two gear teeth arranged on a shaft body, the transmission gear is integrally formed, the distance between the two gear teeth is fixed, and the two gear teeth on the transmission gear and a matched mounting gear are staggered with each other due to factors such as machining errors, mounting errors and the like in actual processing, so that the transmission gear and the matched gear are unstable in running, and equipment cannot run normally in serious cases.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: in order to solve the problem, a combined cylindrical gear is provided.

The utility model provides a technical scheme that its technical problem adopted is: a combined cylindrical gear comprises a long shaft, a first gear, a second gear, a fixing sleeve and a limiting sleeve, wherein the first gear, the second gear, the fixing sleeve and the limiting sleeve are all provided with shaft holes matched with the long shaft, the first gear, the second gear, the fixing sleeve and the limiting sleeve are all installed on the long shaft through the shaft holes, the peripheral surface of the long shaft is provided with a sliding groove along the axial direction of the long shaft, the first gear, the second gear, the fixing sleeve and the limiting block are all provided with sliding blocks, the sliding blocks are matched with the sliding grooves, the sliding blocks are all arranged in the sliding grooves in a sliding manner, the fixing sleeve is fixedly arranged at one end of the long shaft, one end of the first gear is abutted against the fixing sleeve, the other end of the first gear is provided with a first fixing mechanism for fixing the first gear on the long shaft, and a tensioning mechanism for tensioning the first gear is arranged between the fixing sleeve and the first gear, the limiting sleeve is fixed on the long shaft, the first gear is located between the limiting sleeve and the fixing sleeve, one end of the second gear is provided with a second fixing mechanism used for fixing the second gear on the long shaft, and the limiting sleeve is located between the second gear and the first gear.

The utility model discloses a first gear passes through the first fixed establishment of one end and the fixed cover restriction first gear of the first gear other end axial displacement at the major axis, second gear both ends have restricted the axial displacement of second gear on the major axis through stop collar and second fixed establishment respectively simultaneously, the slider on the first gear and the slider of second gear all just also restrict the radial displacement of first gear and second gear with the spout cooperation of major axis simultaneously, installation through the combination formula can conveniently adjust the interval between first gear and the second gear like this, thereby reduced the error between drive gear's the cooperation gear, the equipment operation is guaranteed reliable and stable.

In order to realize the tensioning to first gear, furtherly, straining device includes the tensioning cover, tensioning cover threaded connection is in on the fixed cover outer peripheral face, first gear is close to the draw-in groove has been seted up to the one end of fixed cover, the outer peripheral face of tensioning cover with the contact surface of draw-in groove is the inclined plane, the inclined plane by fixed cover is the slope setting downwards gradually to first gear. The tensioning sleeve connected to the fixing sleeve through threads is matched with the clamping groove of the first gear, and the first gear is tensioned under the action of the inclined surface due to the fact that the contact surface between the tensioning sleeve and the clamping groove is an inclined surface.

In order to guarantee that the tensioning sleeve tensioning is reliable and stable, furtherly, threaded connection has the adapter sleeve on the fixed cover, the adapter sleeve supports and establishes the tensioning sleeve is kept away from the one end of first gear. The tensioning sleeve is supported by the fastening sleeve, so that the tensioning of the tensioning sleeve is stable and reliable.

In order to ensure the stability and reliability of the second gear, furthermore, a groove is formed in the contact surface of the limiting sleeve and the second gear, a top plate is arranged in the groove in a sliding mode, a spring is arranged between the groove and the top plate, and one end of the top plate abuts against one end of the second gear. One end of the second gear is supported and arranged through the top plate in the groove at one end of the limiting sleeve, so that pretightening force is arranged at one end of the second gear, and the limitation stability and reliability of the second gear are guaranteed.

In order to fix the first gear on the long shaft quickly, the first fixing mechanism is a locking screw, a first threaded hole is formed in the first gear along the first gear, one end of the locking screw is in threaded connection with the first threaded hole, and the other end of the locking screw abuts against the long shaft. One end of the payment screw is in threaded connection with the first gear, and the other end of the payment screw abuts against the long shaft, so that the first gear is fixed on the long shaft.

In order to quickly fix the second gear on the long shaft, the second fixing mechanism is also a locking screw, a second threaded hole is formed in the second gear along the second gear, one end of the locking screw is in threaded connection with the second threaded hole, and the other end of the locking screw abuts against the long shaft. One end of the payment screw is in threaded connection with the second gear, and the other end of the payment screw abuts against the long shaft, so that the second gear is fixed on the long shaft.

The utility model has the advantages that: when the combined cylindrical gear of the utility model is used, the axial displacement of the first gear on the long shaft is limited by the first gear through the first fixing mechanism at one end and the fixing sleeve at the other end of the first gear, and the axial displacement of the second gear on the long shaft is limited by the limiting sleeve and the second fixing mechanism at the two ends of the second gear respectively, and the radial displacement of the first gear and the second gear is also limited by the matching of the slide block on the first gear and the slide block of the second gear with the chute of the long shaft, thus the distance between the first gear and the second gear can be conveniently adjusted by the combined installation, thereby reducing the error between the matched gears of the transmission gear, ensuring the stable and reliable operation of the equipment, avoiding the existing transmission gear comprising a main body and two gear teeth arranged on the shaft body, and the transmission gear is formed integrally, the distance between the two gear teeth is fixed, and because factors such as machining error and installation error lead to staggering each other between two wheel teeth and the complex installation gear on the drive gear in real processing, make like this and move unstably between drive gear and the complex gear, lead to the unable normal operating's of equipment problem when serious.

Drawings

The present invention will be further explained with reference to the drawings and examples.

Fig. 1 is a front view of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1;

FIG. 3 is an enlarged view of a portion B of FIG. 1;

fig. 4 is a right side view of the first gear of the present invention.

In the figure: 1. major axis, 101, spout, 2, first gear, 201, draw-in groove, 3, second gear, 4, fixed cover, 5, stop collar, 501, recess, 6, slider, 7, tensioning cover, 8, adapter sleeve, 9, roof, 10, spring, 11, locking screw.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

Examples

As shown in fig. 1-4, a combined cylindrical gear comprises a long shaft 1, a first gear 2, a second gear 3, a fixed sleeve 4 and a limit sleeve 5, wherein the first gear 2, the second gear 3, the fixed sleeve 4 and the limit sleeve 5 are all provided with shaft holes matched with the long shaft 1, the first gear 2, the second gear 3, the fixed sleeve 4 and the limit sleeve 5 are all installed on the long shaft 1 through the shaft holes, a sliding groove 101 is formed on the outer peripheral surface of the long shaft 1 along the axial direction of the long shaft, sliding blocks 6 are arranged on the first gear 2, the second gear 3, the fixed sleeve 4 and the limit block, the sliding blocks 6 are matched with the sliding groove 101, the sliding blocks 6 are all slidably arranged in the sliding groove 101, the fixed sleeve 4 is fixedly arranged at one end of the long shaft 1, one end of the first gear 2 is abutted against the fixed sleeve 4, the other end of the first gear 2 is provided with a first fixing mechanism for fixing the long shaft on the long shaft 1, fixed cover 4 with be provided with between the first gear 2 and be used for the tensioning straining device of tensioning first gear 2, stop collar 5 is fixed on major axis 1, first gear 2 is located stop collar 5 with between the fixed cover 4, the one end of second gear 3 is provided with and is used for fixing it the second fixed establishment on major axis 1, stop collar 5 is located second gear 3 is located between first gear 2.

Straining device includes tensioning sleeve 7, tensioning sleeve 7 threaded connection be in on the fixed 4 outer peripheral faces, first gear 2 is close to draw-in groove 201 has been seted up to the one end of fixed cover 4, tensioning sleeve 7 the outer peripheral face with the contact surface of draw-in groove 201 is the inclined plane, the inclined plane by fixed cover 4 sets up for the downward sloping gradually to first gear 2.

The fixed sleeve 4 is connected with a fastening sleeve 8 through threads, and the fastening sleeve 8 is abutted to one end, far away from the first gear 2, of the tensioning sleeve 7.

A groove 501 is formed in the contact surface of the limiting sleeve 5 and the second gear 3, a top plate 9 is arranged in the groove 501 in a sliding mode, a spring 10 is arranged between the groove 501 and the top plate 9, and one end of the top plate 9 abuts against one end of the second gear 3.

The first fixing mechanism is a locking screw 11, a first threaded hole is formed in the first gear 2 along the first fixing mechanism, one end of the locking screw 11 is connected to the first threaded hole in a threaded mode, and the other end of the locking screw 11 abuts against the long shaft 1.

The second fixing mechanism is also a locking screw 11, a second threaded hole is formed in the second gear 3 along the second gear, one end of the locking screw 11 is connected to the second threaded hole in a threaded mode, and the other end of the locking screw 11 abuts against the long shaft 1.

When the combined cylindrical gear is used, firstly, the mounting distance between the first gear 2 and the second gear 3 is selected according to mounting requirements, the fixing sleeve 4 is fixed at one end of the long shaft 1 through a payment screw, meanwhile, the sliding block 6 of the fixing sleeve 4 is enabled to be in the sliding groove 101 of the long shaft 1, then the tensioning sleeve 7 and the fastening sleeve 8 are sequentially connected onto the fixing sleeve 4 in a threaded manner, then, the first gear 2 is mounted on the long shaft 1, the sliding block 6 of the first gear 2 is enabled to be positioned in the sliding groove 101, one end of the first gear 2 is abutted against the fixing sleeve 4, the first gear 2 is fixed on the long shaft 1 through the payment screw, then, the tensioning sleeve 7 is rotated, the tensioning sleeve 7 is enabled to be in contact with the clamping groove 201 and tension the first gear 2, then, the fastening sleeve 8 is rotated and abutted against one end of the tensioning sleeve 7, then, the position for mounting the limiting sleeve 5 to a required position determines the distance between the first gear 2 and the second gear 3, therefore, the position of the position-limiting sleeve 5 is ensured to be accurate, the sliding block 6 of the position-limiting sleeve 5 is also positioned in the sliding groove 101, and finally the second gear 3 is installed, the second gear 3 is fixed on the long shaft 1 through the locking screw 11, one end of the second gear 3 is connected with the sliding block 6 of the second gear 3 is also positioned in the sliding groove 101, and the installation of the first gear 2 and the second gear 3 is completed.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A combined cylindrical gear is characterized in that: comprises a long shaft (1), a first gear (2), a second gear (3), a fixed sleeve (4) and a limit sleeve (5), wherein the first gear (2), the second gear (3), the fixed sleeve (4) and the limit sleeve (5) are all provided with shaft holes matched with the long shaft (1), the first gear (2), the second gear (3), the fixed sleeve (4) and the limit sleeve (5) are all installed on the long shaft (1) through the shaft holes, a sliding groove (101) is formed in the outer peripheral surface of the long shaft (1) along the axial direction of the long shaft, sliding blocks (6) are arranged on the first gear (2), the second gear (3), the fixed sleeve (4) and a limit block, the sliding blocks (6) are matched with the sliding groove (101), the sliding blocks (6) are all arranged in the sliding groove (101), the fixed sleeve (4) is fixedly arranged at one end of the long shaft (1), the one end of first gear (2) is supported to be established on fixed cover (4), first gear (2) other end is provided with and is used for fixing it first fixed establishment on major axis (1), fixed cover (4) with be provided with between first gear (2) and be used for the tensioning the straining device of first gear (2), stop collar (5) are fixed on major axis (1), first gear (2) are located stop collar (5) with between fixed cover (4), the one end of second gear (3) is provided with and is used for fixing it second fixed establishment on major axis (1), stop collar (5) are located second gear (3) are located between first gear (2).

2. The combination cylindrical gear of claim 1, wherein: straining device includes tensioning cover (7), tensioning cover (7) threaded connection is in on the outer peripheral face of fixed cover (4), first gear (2) are close to draw-in groove (201) have been seted up to the one end of fixed cover (4), the outer peripheral face of tensioning cover (7) with the contact surface of draw-in groove (201) is the inclined plane, the inclined plane by fixed cover (4) are the slope setting downwards gradually to first gear (2).

3. The combination cylindrical gear of claim 2, wherein: fixed cover (4) are gone up threaded connection and are had adapter sleeve (8), adapter sleeve (8) are supported and are established tensioning cover (7) are kept away from the one end of first gear (2).

4. The combination cylindrical gear of claim 3, wherein: a groove (501) is formed in the contact surface of the limiting sleeve (5) and the second gear (3), a top plate (9) is arranged in the groove (501) in a sliding mode, a spring (10) is arranged between the groove (501) and the top plate (9), and one end of the top plate (9) abuts against one end of the second gear (3).

5. The combination cylindrical gear according to any one of claims 1 to 4, wherein: the first fixing mechanism is a locking screw (11), a first threaded hole is formed in the first gear (2) along the first gear, one end of the locking screw (11) is in threaded connection with the first threaded hole, and the other end of the locking screw (11) abuts against the long shaft (1).

6. The combination cylindrical gear according to any one of claims 1 to 4, wherein: the second fixing mechanism is also a locking screw (11), a second threaded hole is formed in the second gear (3) along the second gear, one end of the locking screw (11) is in threaded connection with the second threaded hole, and the other end of the locking screw (11) abuts against the long shaft (1).