CN211231326U

CN211231326U - Novel motor gear

Info

Publication number: CN211231326U
Application number: CN201921673322.7U
Authority: CN
Inventors: 蔡玲民; 唐修晨; 谢亮
Original assignee: Xuzhou Ruilian Gear Co ltd
Current assignee: Xuzhou Ruilian Gear Co ltd
Priority date: 2019-10-09
Filing date: 2019-10-09
Publication date: 2020-08-11
Anticipated expiration: 2029-10-09

Abstract

The utility model relates to the technical field of motor gears, and discloses a novel motor gear, which comprises a big helical gear, wherein the left side of the big helical gear is fixedly connected with a small straight gear, the left side of the small straight gear is fixedly connected with a connecting shaft, the outer side of one end of the connecting shaft, which is close to the small straight gear, is provided with an involute lace groove, the novel motor gear is provided with a limit block and a strip-shaped tooth, a connecting rod and the connecting shaft are inserted into an internal groove in a motor shaft, the connecting rod is propped against the limit block, the strip-shaped tooth is clamped with the involute lace groove, so that the motor shaft is preliminarily fixed with the connecting shaft, a spring groove at the outer part of the connecting rod is aligned with a positioning groove at the inner side of the motor shaft, when the motor rotates, the elastic buckle enters the positioning groove through the action of centrifugal force, so that the elastic buckle is more stable, when the, the gear of different specifications is convenient for staff to inspect or change.

Description

Novel motor gear

Technical Field

The utility model relates to a motor gear technical field specifically is a novel motor 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.

In order to meet the needs of daily life of people, a plurality of gear motors are arranged on the market, the performance of the gear motors is better than that of common motors, but gears on the existing gear motors are generally fixed on a motor shaft and are inconvenient to disassemble, and after the gears are abraded, the gears are easy to shake left and right on the motor shaft, so that the motors cannot normally run, and the novel motor gear is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a novel motor gear possesses and dismantles advantages such as convenient stable firm, has solved about the gear and has rocked and inconvenient dismantlement problem.

(II) technical scheme

For the purpose of realizing above-mentioned simple to operate stable firm, the utility model provides a following technical scheme: a novel motor gear comprises a large helical gear, wherein a small straight gear is fixedly connected to the left side of the large helical gear, a connecting shaft is fixedly connected to the left side of the small straight gear, an involute lace groove is formed in the outer side of one end, close to the small straight gear, of the connecting shaft, a connecting rod is fixedly connected to the left side of the connecting shaft, spring grooves which are symmetrically distributed up and down are formed in the outer side of the connecting rod, elastic buckles are fixedly connected to the inner portions of the spring grooves, rectangular grooves are symmetrically formed in the left side of the connecting rod, a shaft sleeve which is located outside the connecting shaft is fixedly connected to the left side of the small straight gear, a motor shaft which is located between the shaft sleeve and the connecting shaft and extends to the left side of the shaft sleeve is movably connected to the left side of the small straight gear, an internally-arranged groove is formed in the motor shaft, and fixed mounting has to be located two grip block between the stopper, the grip block peg graft into the rectangular channel in, the constant head tank has all been seted up to the inslot opposite side in built-in groove, the inslot lateral wall in built-in groove is and encircles the bar tooth that fixedly connected with is located the connecting axle outside, bar tooth and the joint of involute lace groove.

Preferably, spring groove quantity is no less than six and be the symmetric distribution, homonymy the spring groove is the equidistance and distributes, the constant head tank is the same with spring groove quantity, just the constant head tank aligns with spring groove.

Preferably, the number of the clamping plates is two and the clamping plates are symmetrically distributed, and the shape of the clamping plates is the same as that of the grooves of the rectangular grooves.

Preferably, the elastic buckle comprises a spring and a pressing block, the spring is fixedly connected to the bottom wall of the groove of the spring groove, and the other end of the spring is connected with the pressing block.

Preferably, the length and width of the spring groove are the same as those of the positioning groove, and the height of the elastic buckle is equal to the depth of the spring groove but greater than that of the positioning groove.

Preferably, the connecting shaft and the connecting rod are designed integrally, the built-in groove in the motor shaft is of a boss shape, and the built-in groove is matched with the connecting shaft and the connecting rod in shape.

Preferably, the number of the involute type lace grooves is not less than twenty and is distributed annularly, and the number of the strip-shaped teeth is consistent with that of the involute type lace grooves and corresponds to the involute type lace grooves one by one.

(III) advantageous effects

Compared with the prior art, the utility model provides a novel motor gear possesses following beneficial effect:

this novel motor gear, in the use, through being provided with stopper and bar tooth, the staff inserts connecting rod and connecting axle in the built-in groove of motor shaft, the connecting rod supports the stopper, it inserts to make the grip block correspond the rectangular channel, and bar tooth and the type of gradually opening lace groove joint, make motor shaft and connecting axle tentatively fixed, the outside cover of motor shaft has the axle sleeve further to make can not become flexible between the two, when tentatively fixing, the outside spring groove of connecting rod aligns with the inboard constant head tank of motor shaft, when the motor rotates, through the effect of centrifugal force make in the elastic buckle gets into the constant head tank, make it more firm, automatic withdrawal of elastic buckle when the motor stall, at this moment the staff can be with some power alright take out the gear a little, make things convenient for the staff inspection or change the gear of different specifications.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a left side view of the present invention;

fig. 3 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1 big helical gear, 2 little spur gears, 3 connecting axles, 4 involute type lace grooves, 5 connecting rods, 6 spring grooves, 7 elastic buckles, 8 rectangular grooves, 9 shaft sleeves, 10 motor shafts, 11 built-in grooves, 12 limiting blocks, 13 clamping plates, 14 positioning grooves and 15 strip-shaped teeth.

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

Referring to fig. 1-3, a novel motor gear comprises a large helical gear 1, a small spur gear 2 is fixedly connected to the left side of the large helical gear 1, a connecting shaft 3 is fixedly connected to the left side of the small spur gear 2, an involute-shaped spline groove 4 is formed in the outer side of one end, close to the small spur gear 2, of the connecting shaft 3, a connecting rod 5 is fixedly connected to the left side of the connecting shaft 3, the connecting shaft 3 and the connecting rod 5 are integrally designed, a built-in groove 11 in a motor shaft 10 is boss-shaped, the built-in groove 11 is matched with the connecting shaft 3 and the connecting rod 5 in shape, spring grooves 6 are symmetrically distributed up and down on the outer side of the connecting rod 5, the number of the spring grooves 6 is not less than six, the spring grooves 6 are symmetrically distributed on the same side, the positioning grooves 14 are the same as the number of the spring grooves 6, the positioning grooves 14 are aligned with, the height of the elastic buckle 7 is equal to the depth of the spring groove 6, but is greater than the depth of the positioning groove 14, the elastic buckle 7 is fixedly connected inside the spring groove 6, the elastic buckle 7 comprises a spring and a pressing block, the spring is fixedly connected to the bottom wall of the spring groove 6, the other end of the spring is connected with the pressing block, the left side of the connecting rod 5 is symmetrically provided with a rectangular groove 8, the left side of the small spur gear 2 is fixedly connected with a shaft sleeve 9 positioned outside the connecting shaft 3, the left side of the small spur gear 2 is movably connected with a motor shaft 10 positioned between the shaft sleeve 9 and the connecting shaft 3, one end of the motor shaft 10 extends to the left side of the shaft sleeve 9, the inside of the motor shaft 10 is provided with an internal groove 11, the left side wall of the internal groove 11 is fixedly provided with two limiting blocks 12, and is fixedly provided with two clamping plates 13 positioned between the two limiting blocks 12, the number of the clamping plates 13, in rectangular channel 8 was pegged graft into to grip block 13, constant head tank 14 had all been seted up to the inslot opposite side of built-in groove 11, and the inslot lateral wall of built-in groove 11 is and encircles fixedly connected with bar tooth 15 that is located the outside of connecting axle 3, bar tooth 15 and the 4 joints in type of gradually opening lace groove, and twenty and be the annular distribution are no less than to the quantity in type of gradually opening lace groove 4, and the quantity of bar tooth 15 is unanimous and the one-to-one with the quantity in type of gradually opening lace groove 4.

In conclusion, in the use process of the novel motor gear, the limit block 12 and the strip-shaped teeth 15 are arranged, a worker inserts the connecting rod 5 and the connecting shaft 3 into the built-in groove 11 in the motor shaft 10, the connecting rod 5 props against the limit block 12, so that the clamping plate 13 is inserted corresponding to the rectangular groove 8, the strip-shaped teeth 15 are clamped with the gradually-opened lace grooves 4, so that the motor shaft 10 and the connecting shaft 3 are preliminarily fixed, the shaft sleeve 9 is sleeved outside the motor shaft 10, further, the motor shaft and the connecting shaft cannot loosen, in the initial fixing, the spring groove 6 on the outside of the connecting rod 5 is aligned with the positioning groove 14 on the inside of the motor shaft 10, when the motor rotates, the elastic buckle 7 enters the positioning groove 14 under the action of centrifugal force, so that the motor is more stable, elastic buckle 7 automatic retraction when motor stall, at this moment the staff can with some power alright take out the gear a little, make things convenient for the staff to inspect or change the gear of different specifications.

It is noted that, herein, relational terms such as first and second, and the like may be 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. Also, 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. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

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

Claims

1. A novel motor gear comprises a large helical gear (1), and is characterized in that: the left side of the big helical gear (1) is fixedly connected with a small straight-tooth gear (2), the left side of the small straight-tooth gear (2) is fixedly connected with a connecting shaft (3), the outer side of one end, close to the small straight-tooth gear (2), of the connecting shaft (3) is provided with an involute lace groove (4), the left side of the connecting shaft (3) is fixedly connected with a connecting rod (5), the outer side of the connecting rod (5) is provided with spring grooves (6) which are symmetrically distributed up and down, the inner part of the spring grooves (6) is fixedly connected with an elastic buckle (7), the left side of the connecting rod (5) is symmetrically provided with a rectangular groove (8), the left side of the small straight-tooth gear (2) is fixedly connected with a shaft sleeve (9) which is positioned outside the connecting shaft (3), the left side of the small straight-tooth gear (2) is movably connected with a motor shaft (10) which is positioned between, built-in groove (11) have been seted up to the inside of motor shaft (10), the inslot left side wall fixed mounting of built-in groove (11) has quantity to be two stopper (12), and fixed mounting is located two grip block (13) between stopper (12), in grip block (13) are pegged graft into rectangular channel (8), constant head tank (14) have all been seted up to the inslot offside in built-in groove (11), the inslot lateral wall in built-in groove (11) is and encircles bar tooth (15) that fixedly connected with is located connecting axle (3) outside, bar tooth (15) and gradually open type lace groove (4) joint.

2. The novel motor gear of claim 1, wherein: six and be the symmetric distribution, homonymy are no less than to spring groove (6) quantity spring groove (6) are the equidistance and distribute, constant head tank (14) are the same with spring groove (6) quantity, just constant head tank (14) align with spring groove (6).

3. The novel motor gear of claim 1, wherein: the number of the clamping plates (13) is two and the clamping plates are symmetrically distributed, and the shapes of the clamping plates (13) are the same as those of the grooves of the rectangular grooves (8).

4. The novel motor gear of claim 1, wherein: the elastic buckle (7) comprises a spring and a pressing block, the spring is fixedly connected to the bottom wall of the groove of the spring groove (6), and the other end of the spring is connected with the pressing block.

5. The novel motor gear of claim 1, wherein: the length and width of the spring groove (6) are the same as those of the positioning groove (14), and the height of the elastic buckle (7) is equal to the depth of the spring groove (6) but larger than that of the positioning groove (14).

6. The novel motor gear of claim 1, wherein: the connecting shaft (3) and the connecting rod (5) are designed integrally, the built-in groove (11) in the motor shaft (10) is of a boss shape, and the built-in groove (11) is matched with the shapes of the connecting shaft (3) and the connecting rod (5).

7. The novel motor gear of claim 1, wherein: the number of the involute type lace grooves (4) is not less than twenty and is distributed in an annular shape, and the number of the strip-shaped teeth (15) is consistent with that of the involute type lace grooves (4) and corresponds to the involute type lace grooves one by one.