CN211343930U

CN211343930U - Gear with long service life

Info

Publication number: CN211343930U
Application number: CN201921997829.8U
Authority: CN
Inventors: 黄英毅
Original assignee: Fujian Nan'an Gear Box Co ltd
Current assignee: Fujian Nan'an Gear Box Co ltd
Priority date: 2019-11-19
Filing date: 2019-11-19
Publication date: 2020-08-25
Anticipated expiration: 2029-11-19

Abstract

The utility model discloses a gear with long service life, a through hole is arranged at the middle position of an inner gear disc, the inner gear disc is provided with a screw hole, the edge of the outer gear disc is provided with a clamping groove, the clamping groove is a groove hole structure with a rectangular section, the lower side of the outer gear disc, which is provided with the clamping groove, is provided with a fixing hole which penetrates through the two side walls of the outer gear disc to be opened, the clamping groove is clamped with the tooth head, the inner gear disc is designed into a structure of an upper ring body and a lower ring body, the design is convenient for the inner gear disk to penetrate through the screw holes through the bolts to be screwed with the screw holes on the outer gear disk, the outer gear disc and the inner gear disc are fixed together by the design, the traditional gear is designed into a plurality of structures, this design is convenient for change after certain structure damages in the gear, and then great reduction the required cost of traditional gear change.

Description

Gear with long service life

Technical Field

The utility model relates to the field of mechanical equipment, especially, relate to a long service life's gear.

Background

The gear wheels enable the teeth on the rim to continuously engage the mechanical elements that transmit motion and power. Gears are toothed mechanical parts that can mesh with one another, and the use of gears in transmissions has long emerged. At the end of the 19 th century, the principle of generating the cutting method and the successive appearance of special machine tools and cutters for cutting teeth by using the principle pay attention to the running stability of gears along with the development of production.

The gear can also be divided into a cylindrical gear, a bevel gear, a non-circular gear, a gear head and a worm and worm wheel according to the shape of the gear; according to the shape of the tooth trace, the gear is divided into a straight gear, a helical gear, a herringbone gear and a curve gear; the gear is divided into an external gear and an internal gear according to the surface where the gear teeth are located; according to the manufacturing method, the gear can be divided into a cast gear, a cut gear, a rolled gear, a sintered gear and the like, and the gear heads are distributed on the common gear, but the traditional gear needs to be replaced after a certain gear head is damaged, so that the problem of inconvenient replacement exists, and a new structure is needed to solve the problem.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: the gear with the long service life is provided for solving the problem that the traditional gear needs to be replaced after a certain tooth head is damaged and is inconvenient to replace.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a long service life's gear, includes outer toothed disc, the through-hole has been seted up to outer toothed disc's intermediate position, and the inside meshing of through-hole has inner gear dish, the mounting hole has been seted up to inner gear dish's intermediate position, the screw has been seted up on the inner gear dish, the draw-in groove has been seted up to outer toothed disc's marginal position, the draw-in groove is the slotted hole structure of rectangle for the cross-section, the lower side position that the draw-in groove was seted up to outer toothed disc has seted up the fixed orifices, the fixed orifices runs through the both sides wall of outer toothed disc and sets up, draw-in groove and tooth head looks joint, the overhead spacing hole of having seted up of tooth.

As a further description of the above technical solution: the inner gear dish includes the ring body, it is the annular structure to go up the ring body, the upside terminal surface of going up the ring body is laminated with the lower terminal surface of ring body down mutually, go up the axis coincidence mutually of ring body and lower ring body, the side position at last ring body is seted up to the screw, go up ring body and lower ring body and outer gear dish looks joint, the screw passes via the bolt and closes with the screw on the outer gear dish is changeed soon.

As a further description of the above technical solution: the screw is provided with four, and four screws arrange about the axis isogonism of internal gear dish, the screw runs through the both sides wall of internal gear dish.

As a further description of the above technical solution: offer the draw-in groove on the external gear dish and be provided with a plurality ofly, the equidistance is arranged between a plurality of draw-in grooves, the tooth head is provided with a plurality ofly, and the equidistance is arranged between a plurality of tooth heads.

As a further description of the above technical solution: the limiting hole arranged on the gear head penetrates through the fixing hole arranged on the outer gear disc through a bolt to be screwed, and the gear head is meshed with the adjacent gear.

As a further description of the above technical solution: the thickness of the upper ring body is the same as that of the lower ring body, and the sum of the thickness of the upper ring body and that of the lower ring body is the same as that of the outer gear disc.

To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:

1. through the structure of being the last ring body with lower ring body with the design of internal gear dish, this design is convenient for pass the screw through the bolt with the internal gear dish and closes with the screw on the external gear dish soon, realizes fixing external gear dish and internal gear dish together each other through this design, is traditional gear design into a plurality of structure, and this design is convenient for change after certain structural damage in the gear, and then great reduction traditional gear change required cost.

2. In addition, the outer gear disc is fixed together with the clamping groove through the tooth heads, the tooth head is fixed, the limiting holes in the tooth heads penetrate through the bolts to be fixed with the outer gear disc, the tooth heads are fixed through the design, the tooth heads are convenient to replace after being damaged, and the problem that the whole gear is required to be replaced after a certain tooth head is damaged in the traditional gear is solved through the design.

Drawings

Fig. 1 is a schematic view of a gear structure with a long service life provided by the present invention;

fig. 2 is a schematic structural view of an inner gear plate in a gear with a long service life provided by the present invention;

fig. 3 is a schematic view of the distribution of the fixing holes in the gear with long service life provided by the present invention.

Illustration of the drawings:

1. a tooth head; 2. a limiting hole; 3. an outer gear plate; 4. an inner gear plate; 5. a screw hole; 6. a card slot; 7. a fixing hole; 41. an upper ring body; 42. a lower ring body.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a long service life's gear, including outer toothed disc 3, the through-hole has been seted up to outer toothed disc 3's intermediate position, and the inside meshing of through-hole has inner gear dish 4, the mounting hole has been seted up to inner gear dish 4's intermediate position, screw 5 has been seted up on the inner gear dish 4, draw-in groove 6 has been seted up to outer toothed disc 3's border position, draw-in groove 6 is the slotted hole structure of rectangle for the cross-section, outer toothed disc 3 sets up the downside position of draw-in groove 6 and has seted up fixed hole 7, be convenient for fix outer toothed disc 3 and inner gear dish 4 together through the interpolation of screw 5, prevent relative rotation from appearing between the two, fixed hole 7 runs through the both sides wall of outer toothed disc 3 and sets up, draw-in groove 6 and tooth head 1 looks joint, spacing hole 2 has.

Specifically, as shown in fig. 2, the internal gear disk 4 includes an upper ring body 41, the upper ring body 41 is a circular ring structure, the upper side end surface of the upper ring body 41 is attached to the lower end surface of the lower ring body 42, the central axes of the upper ring body 41 and the lower ring body 42 are coincident, the screw holes 5 are formed in the side surface position of the upper ring body 41, the upper ring body 41 and the lower ring body 42 are clamped with the external gear disk 3, the screw holes 5 penetrate through the screw holes 5 on the external gear disk 3 via bolts and are screwed together, the internal gear disk 4 is designed to be a structure of the upper ring body 41 and the lower ring body 42, the design is convenient for the inner gear disk 4 to pass through the screw holes 5 by bolts to be screwed with the screw holes 5 on the outer gear disk 3, the outer gear disc 3 and the inner gear disc 4 are fixed together by the design, the traditional gear is designed into a plurality of structures, this design is convenient for change after certain structure damages in the gear, and then great reduction the required cost of traditional gear change.

Specifically, as shown in fig. 2, four screw holes 5 are provided, and the four screw holes 5 are arranged at equal angles with respect to the central axis of the inner gear plate 4, the screw holes 5 penetrate through two side walls of the inner gear plate 4, and the outer gear plate 3 and the inner gear plate 4 are fixed together by the addition of the screw holes 5, so that relative rotation between the two is prevented.

Specifically, as shown in fig. 3, the clamping grooves 6 formed in the outer gear plate 3 are arranged at equal intervals among the clamping grooves 6, the tooth heads 1 are arranged at equal intervals among the tooth heads 1, and the clamping grooves 6 and the tooth heads 1 are matched with each other to fix the tooth heads 1.

Specifically, as shown in fig. 1, set up spacing hole 2 on the tooth head 1 and pass and set up the fixed orifices 7 on outer gear plate 3 and close mutually via the bolt, tooth head 1 meshes with adjacent gear mutually, it is together fixed with draw-in groove 6 through tooth head 1 on the outer gear plate 3, this design plays the fixed to tooth head 1 position, and spacing hole 2 on the tooth head 1 passes with outer gear plate 3 mutually through the bolt and fixes, this design realizes fixing to a plurality of tooth head 1 position, be convenient for change after certain tooth head 1 damages, this design has solved traditional gear and has needed the whole gear to change after certain tooth head 1 damages the problem.

Specifically, as shown in fig. 2, the thickness of the upper ring 41 is the same as that of the lower ring 42, and the sum of the thickness of the upper ring 41 and that of the lower ring 42 is the same as that of the outer gear disk 3, which facilitates fixing the inner gear disk 4 and the outer gear disk 3 together.

The working principle is as follows: when in use, the gear head 1 is fixed at the upper side position of the clamping groove 6, then the gear head 1 sequentially passes through the limiting hole 2 and the fixing hole 7 through bolts, so that the gear head 1 is conveniently fixed at the outer side position of the outer gear disc 3, then the screw holes 5 on the upper ring body 41 and the lower ring body 42 are fixedly connected with the outer gear disc 3 through bolts, and then the gear can be used, in the process, the inner gear disc 4 is designed into the structure of the upper ring body 41 and the lower ring body 42, the inner gear disc 4 is conveniently screwed with the screw holes 5 on the outer gear disc 3 through the bolts passing through the screw holes 5, the outer gear disc 3 and the inner gear disc 4 are mutually fixed through the design, the traditional gear is designed into a plurality of structures, the design is convenient to replace the damaged certain structure in the gear, so that the cost required by replacing the traditional gear is greatly reduced, the gear head 1 and the clamping groove 6 are fixed together on the outer gear disc 3, this design plays the fixed to the tooth head 1 position, and spacing hole 2 on the tooth head 1 passes via the bolt and fixes mutually with outer gear plate 3, and this design realizes the fixed to a plurality of tooth head 1 position, is convenient for change after certain tooth head 1 damages, and this design has solved traditional gear and has needed the whole gear to change after certain tooth head 1 damages the problem.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A gear with long service life comprises an outer gear disc (3) and is characterized in that a through hole is arranged in the middle of the outer gear disc (3), an inner gear disc (4) is engaged in the through hole, a mounting hole is arranged at the middle position of the inner gear disc (4), the inner gear disc (4) is provided with a screw hole (5), the edge position of the outer gear disc (3) is provided with a clamping groove (6), the clamping groove (6) is a slotted hole structure with a rectangular section, a fixing hole (7) is arranged at the lower side of the outer gear disc (3) where the clamping groove (6) is arranged, the fixing holes (7) penetrate through the two side walls of the outer gear disc (3) to be opened, draw-in groove (6) and tooth head (1) looks joint, spacing hole (2) have been seted up on tooth head (1), and just spacing hole (2) run through the both sides wall of tooth head (1) and set up.

2. The gear with the long service life according to claim 1, characterized in that the inner gear plate (4) comprises an upper ring body (41), the upper ring body (41) is of a circular ring structure, the upper side end face of the upper ring body (41) is attached to the lower end face of the lower ring body (42), the central axes of the upper ring body (41) and the lower ring body (42) are overlapped, the screw holes (5) are formed in the side positions of the upper ring body (41), the upper ring body (41) and the lower ring body (42) are clamped with the outer gear plate (3), and the screw holes (5) penetrate through the screw holes (5) in the outer gear plate (3) via bolts and are screwed with the screw holes (5).

3. A gear wheel having a long service life according to claim 1, characterised in that four screw holes (5) are provided, and the four screw holes (5) are arranged at equal angles with respect to the central axis of the inner gear wheel (4), and the screw holes (5) penetrate through both side walls of the inner gear wheel (4).

4. A gear wheel having a long service life according to claim 1, characterised in that there are a plurality of slots (6) provided in the outer gear wheel (3), the slots (6) being arranged equidistantly, the tooth heads (1) being provided in plurality and the tooth heads (1) being arranged equidistantly.

5. A gear wheel with a long service life according to claim 1, characterised in that the limiting hole (2) provided in the tooth head (1) is screwed via a bolt through a fixing hole (7) provided in the outer gear disc (3), said tooth head (1) engaging with an adjacent gear wheel.

6. A gear wheel having a long service life according to claim 2, characterised in that the thickness of the upper ring (41) is the same as the thickness of the lower ring (42), and the sum of the thickness of the upper ring (41) and the thickness of the lower ring (42) is the same as the thickness of the outer gear disc (3).