CN216867452U

CN216867452U - Detachable gear

Info

Publication number: CN216867452U
Application number: CN202220652643.4U
Authority: CN
Inventors: 姜斌
Original assignee: Qingdao Hengfeng Machinery Co ltd
Current assignee: Qingdao Hengfeng Machinery Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-07-01
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a detachable gear, and particularly relates to the technical field of gears. Set up a set of interior spacing spout through the inner wall at the pivot roller and be used for accomodating positioning fixture block, when the inside of installing the pivot into the detachable gear, because reset spring's elasticity that resets drives positioning fixture block and pops out the card and go into in the installation card hole, and slide in the installation slide simultaneously, reuse power rotates the axis of rotation and makes positioning fixture block card go into the inside of spacing draw-in groove and fix a position, thereby accomplish the installation to the axis of rotation, and is easy and simple to handle, because spacing draw-in groove inner wall sets up to the sloping inner wall and laminates mutually with the sloping cross-section of positioning fixture block surface during follow-up change, thereby make things convenient for the unblock to dismantle.

Description

Detachable gear

Technical Field

The utility model relates to the technical field of gears, in particular to a detachable gear.

Background

The gear is a mechanical element with a rim on which the gear is continuously meshed to transmit motion and power, the gear is applied in transmission for a long time, at the end of the 19 th century, the principle of generating a gear cutting method and the successive appearance of a special machine tool and a cutter for cutting the gear by using the principle are realized, and the running stability of the gear is emphasized along with the development of production.

Gears can be classified according to tooth profile, gear profile, tooth trace shape, surface on which the gear teeth are located, manufacturing method, and the like; the tooth profile of the gear comprises a tooth profile curve, a pressure angle, a tooth height and deflection; involute gears are relatively easy to manufacture, so that in the gears used in modern times, involute gears are the absolute majority, while cycloid gears and circular arc gears are less used.

In the aspect of pressure angle, the bearing capacity of the small pressure angle gear is smaller; on the other hand, the high-pressure angle gear has a high bearing capacity, but the load of the bearing is increased when the transmission torque is the same, and therefore, the high-pressure angle gear is used only in special cases, but the tooth heights of the gear are standardized, and the gear generally adopts a standard tooth height, so that the advantages of the modified gear are many, and the gear is distributed in various mechanical devices.

In addition, the gear can also be divided into a cylindrical gear, a bevel gear, a non-circular gear, a rack and a worm and worm wheel according to the shape of the gear; the gear is divided into a straight gear, a helical gear, a herringbone gear and a curve gear according to the shape of a tooth trace; the gear is divided into an external gear and an internal gear according to the surface where the gear teeth are located; they can be classified into cast gears, cut gears, rolled gears, sintered gears, etc. according to the manufacturing method.

The gears in the prior art have the following problems:

a rotating shaft in the existing gear generally needs to be connected with an external transmission mechanism for use, the rotating shaft is easily abraded after long-time use, and the whole gear is complex to replace; to this end, we propose a detachable gear for solving the above problems.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a detachable gear that solves the problems set forth above in the background.

In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a can dismantle gear, includes can dismantle the gear, the both ends symmetrical welding of dismantling the gear has the enhancement guard ring, can dismantle the inside joint of gear has installs the pivot roller, the inside central point of pivot roller puts the department and rotates and install the axis of rotation, the both ends of axis of rotation are integrative structure symmetrical welding and have the pivot output, the outer wall of pivot roller is equipped with self-locking mechanism.

Preferably, the central position department of the inside of detachable gear has seted up the installation card hole, detachable gear's inner wall is equipped with the abrasionproof and decreases the coating.

Preferably, the inner wall of the detachable gear is provided with an installation slide way, and the inside of the installation slide way is provided with a limiting clamping groove for positioning.

Preferably, spacing draw-in groove is provided with a plurality of, and the annular distribution of equidistance is to the spacing draw-in groove of a plurality of, the inside of spacing draw-in groove is equipped with oblique form inner wall.

Preferably, self-locking mechanism includes the location fixture block, interior spacing spout has been seted up to the surface of pivot roller, interior spacing spout is provided with a plurality of, and spacing spout is the annular distribution of equidistance in a plurality of, location fixture block and interior spacing spout looks adaptation.

Preferably, the inside fixedly connected with reset spring of interior spacing spout, the one end and the location fixture block fixed connection of interior spacing spout inner wall are kept away from to reset spring, the surface symmetry of location fixture block is equipped with the oblique form cross-section, the both sides central point department symmetry fixed mounting of location fixture block has spacing limit piece.

Compared with the prior art, the utility model has the beneficial effects that:

according to the utility model, the inner wall of the rotating shaft roller is provided with the group of inner limiting sliding grooves for accommodating the positioning fixture blocks, when the rotating shaft is installed in the detachable gear, the positioning fixture blocks are driven to pop out and be clamped in the installation fixture holes by the reset elasticity of the reset spring and slide in the installation slide ways, the rotating shaft is rotated by force, so that the positioning fixture blocks are clamped in the inner parts of the limiting clamping grooves for positioning, and thus, the installation of the rotating shaft is completed, the operation is simple and convenient, the detachment and replacement are convenient, and during subsequent replacement, the inner walls of the limiting clamping grooves are arranged to be the inclined inner walls and are attached to the inclined cross sections of the outer surfaces of the positioning fixture blocks, so that the detachment and unlocking are convenient.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.

Fig. 1 is a front view of a detachable gear of the present invention.

Fig. 2 is a schematic structural view of the detachable gear of the present invention.

Fig. 3 is an exploded view of the inventive roller.

In the figure: 1. a detachable gear; 2. reinforcing the protective ring; 3. a shaft rotating roller; 4. a rotating shaft; 5. installing a clamping hole; 6. a limiting clamping groove; 7. a sloped inner wall; 8. an anti-wear coating; 9. a rotating shaft output end; 10. an inner limiting chute; 11. a return spring; 12. positioning a fixture block; 13. a cross section of a diagonal shape; 14. a limit edge block; 15. and (4) installing a slideway.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example (b): as shown in fig. 1-3, the utility model provides a detachable gear, which comprises a detachable gear 1, wherein reinforcing protection rings 2 are symmetrically welded at two ends of the detachable gear 1, the detachable gear is high in structural strength and good in integrity, a rotating shaft roller 3 is clamped and installed inside the detachable gear 1, a rotating shaft 4 is rotatably installed at the central position inside the rotating shaft roller 3, two ends of the rotating shaft 4 are symmetrically welded with rotating shaft output ends 9 in an integrated structure, and a self-locking mechanism is arranged on the outer wall of the rotating shaft roller 3, so that positioning and installation can be conveniently completed.

Furthermore, the central position department of the inside of detachable gear 1 has seted up installation card hole 5, and the inner wall of detachable gear 1 is equipped with abrasionproof and decreases coating 8, can protect the outer wall of countershaft roller 3, has the abrasionproof and decreases the effect.

Further, can dismantle the inner wall of gear 1 and seted up installation slide 15, the spacing draw-in groove 6 that is used for the location is seted up to installation slide 15's inside, and spacing draw-in groove 6 is provided with a plurality of, and the spacing draw-in groove 6 of a plurality of is the cyclic annular distribution of equidistance, and the inside of spacing draw-in groove 6 is equipped with oblique form inner wall 7, has fine positioning action, convenient loading and unloading.

Further, self-locking mechanism includes positioning fixture block 12, and interior spacing spout 10 has been seted up to the surface of pivot roller 3, and interior spacing spout 10 is provided with a plurality of, and spacing spout 10 is the cyclic annular distribution of equidistance in a plurality of, and positioning fixture block 12 and interior spacing spout 10 looks adaptation are conveniently matchd and are installed, and structural integrity is good, connects reliably.

Further, the inside fixedly connected with reset spring 11 of interior spacing spout 10, reset spring 11 keep away from the one end and the location fixture block 12 fixed connection of interior spacing spout 10 inner wall, and the surface symmetry of location fixture block 12 is equipped with oblique form cross-section 13, and the both sides central point department symmetry fixed mounting of location fixture block 12 has spacing limit block 14, has limiting displacement, avoids location fixture block 12 to pop out owing to elasticity and drops.

The working principle is as follows: when the detachable gear is used, the rotating shaft roller 3 is clamped into the mounting clamp hole 5, the positioning fixture block 12 is driven to retract into the inner limiting chute 10 by the telescopic elasticity of the reset spring 11, when the detachable gear 1 is mounted, the positioning fixture block 12 is driven to pop out by the telescopic elasticity of the reset spring 11, the limiting edge block 14 has a good limiting effect to prevent falling off, sliding is assisted in the mounting chute 15, when the limiting clamp groove 6 is encountered, the limiting force is lost to drive the positioning fixture block 12 to pop out and clamp into the limiting clamp groove 6 to complete positioning mounting, the rotating shaft output end 9 outside the rotating shaft 4 is conveniently connected with an external transmission machine for use, when the detachable gear needs to be replaced after long-time use, the rotating shaft 4 can be extruded by forceful rotation, and the inclined cross section 13 of the outer wall of the positioning fixture block 12 is attached to the inclined inner wall 7, so that the detachable gear is convenient to rotate and break away from unlocking, thereby the disassembly is completed, and the inner wall is designed into the anti-abrasion coating 8 to have good anti-abrasion performance.

It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the utility model. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A detachable gear comprising a detachable gear (1), characterized in that: can dismantle the both ends symmetrical welding of gear (1) has and strengthen guard ring (2), the inside joint of detachable gear (1) has and installs pivot roller (3), the inside central point department of putting of pivot roller (3) rotates and installs axis of rotation (4), the both ends of axis of rotation (4) are a body structure symmetrical welding and have pivot output (9), the outer wall of pivot roller (3) is equipped with self-locking mechanism.

2. A detachable gear according to claim 1, wherein the detachable gear (1) has a central mounting hole (5) formed therein, and the inner wall of the detachable gear (1) has an anti-wear coating (8).

3. A dismountable gear according to claim 1, wherein the inner wall of the dismountable gear (1) is provided with a mounting slideway (15), and the mounting slideway (15) is internally provided with a limiting clamping groove (6) for positioning.

4. A dismountable gear according to claim 3, wherein there are several limiting slots (6), and several limiting slots (6) are distributed in an equidistant ring shape, and the inside of the limiting slots (6) is provided with an inclined inner wall (7).

5. A detachable gear according to claim 1, wherein the self-locking mechanism includes a positioning block (12), the outer surface of the spindle roller (3) is provided with a plurality of inner limiting sliding grooves (10), the plurality of inner limiting sliding grooves (10) are distributed in an equidistant ring shape, and the positioning block (12) is matched with the inner limiting sliding grooves (10).

6. A detachable gear according to claim 5, wherein a return spring (11) is fixedly connected inside the inner limiting sliding groove (10), one end of the return spring (11) away from the inner wall of the inner limiting sliding groove (10) is fixedly connected with a positioning fixture block (12), the outer surface of the positioning fixture block (12) is symmetrically provided with inclined cross sections (13), and the central positions of the two sides of the positioning fixture block (12) are symmetrically and fixedly provided with limiting edge blocks (14).