CN220980254U

CN220980254U - Internal tooth gear

Info

Publication number: CN220980254U
Application number: CN202321791016.XU
Authority: CN
Inventors: 竺永洪
Original assignee: Shengzhou Xinjian Machinery Co ltd
Current assignee: Shengzhou Xinjian Machinery Co ltd
Priority date: 2023-07-10
Filing date: 2023-07-10
Publication date: 2024-05-17
Anticipated expiration: 2033-07-10

Abstract

The utility model relates to the technical field of gears and discloses an internal gear, which comprises an internal gear body and an external gear cylinder, wherein a plurality of internal splines are arranged in the internal gear body at equal intervals, a plurality of external gear keys are arranged on the outer side wall of the external gear cylinder at equal intervals, limiting bosses are arranged in the external gear cylinder, limiting structures are symmetrically arranged on the outer sides of the internal gear body and are used for fixing the internal gear body and the external gear cylinder, the internal gear body and the external gear cylinder can be effectively and quickly assembled or disassembled through the limiting structures, positioning blocks on two sides of the internal gear body are aligned to limiting grooves and then are placed in the limiting bosses, two limiting blocks on the top are pressed down, springs in the limiting blocks deform to generate elastic potential energy, then the internal gear body is rotated clockwise along the limiting grooves until the four limiting blocks reach the limiting holes respectively, the springs restore original shape to release elasticity, the tail ends of the limiting blocks are sprung to the outer sides of the limiting bosses, and the limiting blocks are clamped with the limiting bosses.

Description

Internal tooth gear

Technical Field

The utility model relates to the technical field of gears, in particular to an internal tooth gear.

Background

Gears are a rotating circular machine part with cutting teeth or, in the case of gears or large gears, with interposed teeth, which mesh with another compatible toothed part to transfer the switching torque and speed, gears may also be informally called gears, gear means may change the speed, torque and direction of the power source, different sized gears produce torque variations through their gear ratios, creating mechanical advantage, gears and their gear products are important fundamental components of mechanical equipment, the main transmission components of most mechanical plants are gear transmissions, and therefore can be considered as simple machines, existing gear sets are mostly screw threads or fixed connections, and cannot be quickly disassembled and assembled into internal and external gear cylinders, which is unfavorable for the maintenance of the gear sets by staff, affecting the working efficiency, for which we propose an internal tooth gear.

Disclosure of utility model

(One) solving the technical problems

Aiming at the defects of the prior art, the utility model provides an internal tooth gear which solves the problems.

(II) technical scheme

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an internal tooth gear, includes internal gear body and external gear section of thick bamboo, the inside equidistant a plurality of internal spline that are provided with of internal gear body, the equidistant a plurality of external gear keys that are provided with of external wall of external gear section of thick bamboo, the inside of external gear section of thick bamboo is provided with spacing boss, the outside symmetry of internal gear body is provided with limit structure, and limit structure is used for fixed internal gear body and external gear section of thick bamboo.

Preferably, the limiting grooves are formed in two sides of the top end of the limiting boss, and limiting holes are formed in one side, located in the limiting grooves, of the limiting boss.

Preferably, limit structure is including locating piece, stopper, installation cavity, telescopic link, spring and fixture block, the locating piece is installed to the lateral wall symmetry of internal gear body, and the inside symmetry of locating piece is provided with the installation cavity, the inside fixed mounting in installation cavity has the telescopic link, and the other end fixed mounting of telescopic link has the fixture block, be located the cover between locating piece and the fixture block on the telescopic link and be equipped with the spring, the other end fixed mounting of fixture block has the stopper, and the stopper passes through the fixture block and the locating piece joint that set up, the stopper runs through locating piece and spacing boss and extends in the outside of spacing boss, the stopper passes through the spacing hole and spacing boss joint that set up.

Preferably, the inner gear body and the outer gear shell are both of annular structures.

Preferably, the limiting groove is L-shaped, and the opening directions of the limiting groove are opposite.

Preferably, the limiting block is cylindrical, and the limiting block is matched with the limiting hole.

(III) beneficial effects

Compared with the prior art, the utility model provides the internal tooth gear, which has the following beneficial effects:

1. This internal gear, through setting up limit structure, can effectively install fast or dismantle internal gear body and external gear section of thick bamboo, be convenient for the staff maintains the gear train, when staff installs internal gear body and external gear section of thick bamboo, place the locating piece of internal gear body both sides behind the spacing groove in the inside of spacing boss, two stoppers at top are pressed down, the inside spring of stopper takes place deformation and produces elastic potential energy, afterwards rotate the internal gear body clockwise along the spacing groove, until four stoppers arrive spacing hole department respectively, the spring resumes original state release elasticity, the end bullet of stopper is to spacing boss outside, stopper and spacing boss joint from this, when need dismantle internal gear body and external gear section of thick bamboo, four stoppers can be pressed to the staff, then anticlockwise rotation with the internal gear body, alright take down the internal gear body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of an external gear cartridge of the present utility model;

FIG. 3 is a schematic view of an inner gear body of the present utility model;

FIG. 4 is a schematic cross-sectional view of a positioning block according to the present utility model.

In the figure: 1. an inner gear body; 2. an outer gear drum; 3. an internal spline; 4. an external gear key; 5. a limiting hole; 6. a positioning block; 7. a limiting block; 8. a mounting cavity; 9. a telescopic rod; 10. a spring; 11. a limit groove; 12. a clamping block; 13. and a limit boss.

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.

Referring to fig. 1-4, an internal gear comprises an internal gear body 1 and an external gear barrel 2, wherein a plurality of internal splines 3 are arranged in the internal gear body 1 at equal intervals, a plurality of external gear keys 4 are arranged on the outer side wall of the external gear barrel 2 at equal intervals, limiting bosses 13 are arranged in the external gear barrel 2, limiting structures are symmetrically arranged on the outer side of the internal gear body 1 and used for fixing the internal gear body 1 and the external gear barrel 2, and the internal gear body 1 and the external gear barrel 2 can be effectively and quickly installed or detached through the limiting structures, so that a gear set can be maintained by workers conveniently.

Further, a limiting groove 11 is formed in two sides of the top end of the limiting boss 13, and a limiting hole 5 is formed in one side, located in the limiting groove 11, of the limiting boss 13.

Further, limit structure is including locating piece 6, stopper 7, install the chamber 8, telescopic link 9, spring 10 and fixture block 12, locating piece 6 is installed to the lateral wall symmetry of internal gear body 1, the inside symmetry of locating piece 6 is provided with install the chamber 8, the inside fixed mounting of install the chamber 8 has telescopic link 9, the other end fixed mounting of telescopic link 9 has fixture block 12, the cover is equipped with spring 10 between locating piece 6 and fixture block 12 on the telescopic link 9, the other end fixed mounting of fixture block 12 has stopper 7, and stopper 7 passes through locating piece 6 and spacing boss 13 and extends in the outside of spacing boss 13 through fixture block 12 and locating piece 6 joint that sets up, stopper 7 is through spacing hole 5 and spacing boss 13 joint that sets up, when staff installs internal gear body 1 and external gear section of thick bamboo 2, place the locating piece 6 of internal gear body 1 both sides behind spacing groove 11 in the inside of spacing boss 13, two stopper 7 at the top are pressed down, the inside spring 10 takes place deformation and produces elastic potential energy, afterwards, rotate internal gear body 1 along spacing groove 11 clockwise, four stopper 7 reach spacing hole 5 respectively, spring 7 state release stopper 7 from this, the outside of spacing boss 13 is accomplished to the stopper 13, from this, the elasticity state is released to stopper 13.

Further, the inner gear body 1 and the outer gear barrel 2 are of annular structures, when the inner gear body 1 and the outer gear barrel 2 are required to be disassembled, a worker can press the four limiting blocks 7, then the inner gear body 1 rotates anticlockwise, and the inner gear body 1 can be taken down.

Further, the limiting groove 11 is L-shaped, and the opening directions of the limiting groove 11 are opposite.

Further, the limiting block 7 is arranged in a cylindrical shape, and the limiting block 7 is matched with the limiting hole 5.

Working principle: when staff installs internal gear body 1 and external gear section of thick bamboo 2, place the locating piece 6 of internal gear body 1 both sides in spacing groove 11 back in spacing boss 13's inside, press two stopper 7 at top, the inside spring 10 of stopper 7 takes place deformation and produces elastic potential energy, afterwards rotate internal gear body 1 clockwise along spacing groove 11, until four stopper 7 reach spacing hole 5 department respectively, spring 10 resumes original state release elasticity, the terminal bullet of stopper 7 is to spacing boss 13 outside, stopper 7 and spacing boss 13 joint from this, when gear body 1 and external gear section of thick bamboo 2 need be dismantled, four stopper 7 can be pressed to the staff, then rotate internal gear body 1 anticlockwise, alright take off internal gear body 1, through setting up limit structure, can effectively install or dismantle internal gear body 1 and external gear section of thick bamboo 2 fast, the staff of being convenient for maintains the gear train.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An internal gear, includes internal gear body (1) and external gear section of thick bamboo (2), its characterized in that: the novel internal gear comprises an internal gear body (1), wherein a plurality of internal splines (3) are arranged in the internal gear body (1) at equal intervals, a plurality of external gear keys (4) are arranged on the outer side wall of an external gear barrel (2) at equal intervals, limiting bosses (13) are arranged in the external gear barrel (2), limiting structures are symmetrically arranged on the outer side of the internal gear body (1), and the limiting structures are used for fixing the internal gear body (1) and the external gear barrel (2).

2. An internal gear as set forth in claim 1, wherein: limiting grooves (11) are formed in two sides of the top end of the limiting boss (13), and limiting holes (5) are formed in one side, located in the limiting grooves (11), of the limiting boss (13).

3. An internal gear as set forth in claim 1, wherein: the utility model provides a limit structure is including locating piece (6), stopper (7), installation cavity (8), telescopic link (9), spring (10) and fixture block (12), locating piece (6) are installed to the lateral wall symmetry of internal gear body (1), and the inside symmetry of locating piece (6) is provided with installation cavity (8), the inside fixed mounting of installation cavity (8) has telescopic link (9), and the other end fixed mounting of telescopic link (9) has fixture block (12), be located between locating piece (6) and fixture block (12) on telescopic link (9) and overlap and be equipped with spring (10), the other end fixed mounting of fixture block (12) has stopper (7), and stopper (7) are through fixture block (12) and locating piece (6) joint that sets up, stopper (7) run through locating piece (6) and spacing boss (13) and extend in the outside of spacing boss (13), stopper (7) are through spacing hole (5) and spacing boss (13) joint that set up.

4. An internal gear as set forth in claim 1, wherein: the inner gear body (1) and the outer gear drum (2) are of annular structures.

5. An internal gear as claimed in claim 2, wherein: the limiting groove (11) is L-shaped, and the opening directions of the limiting groove (11) are opposite.

6. An internal gear according to claim 3, wherein: the limiting block (7) is arranged to be cylindrical, and the limiting block (7) is matched with the limiting hole (5).