CN215567743U - Precise shape-modifying involute gear - Google Patents

Abstract

The utility model discloses a precise shape-modifying involute gear which comprises a gear disc and a plurality of clamping teeth, wherein the plurality of clamping teeth are arranged outside the gear disc in an annular array at equal intervals; the positioning mechanism comprises two positioning rings, the two positioning rings are respectively positioned on two sides of the gear disc, the clamping block is positioned between the two positioning rings, the outer wall of the clamping block is attached to the inner wall of the clamping groove, and the bottom of the clamping tooth is attached to the outer wall of the gear disc. According to the utility model, the use mode of matching the latch and the gear disc is utilized, and the latch is in sliding clamping connection with the gear disc through the fixture block, so that when the latch is worn, only the damaged latch on the gear disc needs to be replaced, the whole gear does not need to be replaced, and the positioning ring can ensure the mounting stability of the latch.

Description

Precise shape-modifying involute gear

Technical Field

The utility model relates to the field of involute gears, in particular to a precision shape-modifying involute gear.

Background

In order to achieve stable transmission mechanically, the profile line of a gear tooth mostly adopts an involute, wherein the involute refers to an involute of a circle, when a straight line rolls on the circle without sliding, the track of a fixed point motion on the straight line is called the involute of the circle, the circle is called a base circle of the involute, and the straight line is a generating line of the involute.

Involute gear operates steadily when using, but after involute gear uses for a long time, certain wearing and tearing deformation can appear in the involute latch to the loose condition can appear rocking in involute gear uses, just so need you change whole gear at this moment, can not change the latch of the broken position of involute gear to it changes, thereby reduces its practicality.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a precision-modified involute gear to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: a precise shape-trimming involute gear comprises a gear disc and a plurality of clamping teeth, wherein the clamping teeth are arranged on the outer portion of the gear disc in an annular array at equal intervals, clamping blocks are fixedly connected to the bottoms of the clamping teeth, a plurality of clamping grooves are formed in the outer wall of the gear disc in an annular array at equal intervals, the outer wall of each clamping block is in sliding clamping connection with the inner cavity of each clamping groove, and a positioning mechanism is arranged on the outer wall of the gear disc;

the positioning mechanism comprises two positioning circular rings, the two positioning circular rings are respectively positioned on two sides of the gear disc, and the fixture block is positioned between the two positioning circular rings.

Preferably, the outer wall of the clamping block is attached to the inner wall of the clamping groove, and the bottom of the clamping tooth is attached to the outer wall of the gear disc.

Preferably, first connecting hole, one of them have been seted up to one side of fixture block the avris of location ring one side is the sliding interlude of annular array equidistance and has cup jointed a plurality of first positioning bolt, the outer wall of first positioning bolt and the inner chamber sliding socket of first connecting hole cup joint.

Preferably, one end of the outer wall of the first positioning bolt penetrates through the other positioning ring and is sleeved with two first positioning nuts in a threaded manner.

Preferably, the two sides of the clamping block are provided with gaskets, and the gaskets are located between the two positioning circular rings.

Preferably, one side of toothed disc and the middle part of location ring one side all are the annular array equidistance and have seted up a plurality of second connecting holes, one of them one side of location ring is the annular array and is provided with a plurality of second positioning bolt, two second set nuts have been cup jointed to one side screw thread of second positioning bolt outer wall, second set nut is located one side of another location ring wherein.

The utility model has the technical effects and advantages that:

(1) according to the utility model, the use mode of matching the latch and the gear disc is utilized, and the latch is in sliding clamping connection with the gear disc through the fixture block, so that when the latch is worn, only the damaged latch on the gear disc needs to be replaced, the whole gear does not need to be replaced, and the positioning ring can ensure the mounting stability of the latch, thereby improving the practical performance of the latch;

(2) according to the utility model, the arrangement mode of the positioning mechanism is utilized, the positioning mechanism comprises two positioning rings, the positioning rings can limit the positions of the clamping blocks, so that the connection stability of the clamping teeth and the gear disc is ensured, the connection stability of the clamping blocks and the positioning rings can be ensured again by the first positioning bolts, and the connection stability of the positioning rings and the gear disc can be ensured by the second positioning bolts, so that the installation stability of the positioning rings and the gear disc is further improved.

Drawings

FIG. 1 is a schematic front view of the present invention.

FIG. 2 is a schematic side view of the present invention.

FIG. 3 is a schematic view of the internal structure of the side portion of the present invention.

Fig. 4 is a front structural schematic diagram of the gear plate of the present invention.

Fig. 5 is a schematic view of the overall structure of the latch of the present invention.

In the figure: 1. a gear plate; 2. clamping teeth; 3. a clamping block; 4. a card slot; 5. a positioning mechanism; 51. positioning the circular ring; 52. a first positioning bolt; 53. a first connection hole; 54. a first positioning nut; 55. a gasket; 56. a second connection hole; 57. a second positioning bolt; 58. and a second positioning nut.

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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

The utility model provides a precise shape-modifying involute gear as shown in figures 1-5, which comprises a gear disc 1 and a plurality of clamping teeth 2, wherein the clamping teeth 2 are arranged outside the gear disc 1 in an annular array at equal intervals, the gear disc 1 and the clamping teeth 2 can form a gear whole, the bottom of each clamping tooth 2 is fixedly connected with a clamping block 3, the cross sections of the clamping block 3 and the clamping groove 4 are trapezoidal, so that the position of each clamping tooth 2 can be limited, the clamping teeth 2 and the gear disc 1 are kept in a stable state, the outer wall of each clamping block 3 is attached to the inner wall of each clamping groove 4, the bottom of each clamping tooth 2 is attached to the outer wall of the gear disc 1, the stability between each clamping tooth 2 and the gear disc 1 can be further ensured, the clamping teeth 2 and the gear disc 1 are prevented from shaking when the gear works, and the position of each clamping block 3 can be limited again by a first positioning bolt 52 and a first positioning nut 54, guarantee the stability between latch 2 and the toothed disc 1, the outer wall of toothed disc 1 is the annular array equidistance and has seted up a plurality of draw-in grooves 4, and the outer wall of fixture block 3 slides the joint with the inner chamber of draw-in groove 4, and the outer wall of toothed disc 1 is provided with positioning mechanism 5.

The positioning mechanism 5 comprises two positioning circular rings 51, the two positioning circular rings 51 are respectively positioned at two sides of the gear plate 1, and the fixture block 3 is positioned between the two positioning circular rings 51.

First connecting hole 53 has been seted up to one side of fixture block 3, the avris of one of them location ring 51 one side is that the equidistant slip of annular array alternates and has cup jointed a plurality of first positioning bolt 52, the outer wall of first positioning bolt 52 cup joints with the inner chamber slip of first connecting hole 53, the one end of first positioning bolt 52 outer wall is passed wherein another location ring 51 screw thread and has cup jointed two first positioning nuts 54, the stability that first positioning bolt 52 and second positioning bolt 57 are connected can be improved to two first positioning nuts 54 and two second positioning nuts 58, the both sides of fixture block 3 all are provided with gasket 55, gasket 55 is located between two location rings 51.

The middle part of one side of toothed disc 1 and location ring 51 one side all is the annular array equidistance and has seted up a plurality of second connecting holes 56, one of them location ring 51's one side is the annular array and is provided with a plurality of second positioning bolt 57, second positioning bolt 57 can make location ring 51 and toothed disc 1 keep relative stable state, and then improve the stability between latch 2 and toothed disc 1 once more, two second set nut 58 have been cup jointed to one side screw thread of second positioning bolt 57 outer wall, second set nut 58 is located one side of wherein another location ring 51.

The working principle of the utility model is as follows: when the latch 2 is worn, when the latch 2 on the gear plate 1 is replaced, firstly loosening the first positioning nut 54, drawing out the first positioning bolt 52 to separate the first positioning bolt from the positioning ring 51 and the fixture block 3, loosening the second positioning nut 58, drawing out the second positioning bolt 57 from one side of one positioning ring 51 to separate the positioning ring 51 from the gear plate 1, then sliding to damage the fixture block 3 at the bottom of the latch 2 to separate the fixture block 3 from the clamping groove 4, then taking out a new latch 2, sliding and sleeving the fixture block 3 at the bottom of the new latch 2 with the clamping groove 4 on the gear plate 1, then placing the two gaskets 55 on the two sides of the fixture block 3, then placing the two positioning rings 51 on the two sides of the gear plate 1, using the first positioning bolt 52 to penetrate through the first connecting hole 53, using the first positioning nut 54 to fix the position of the new latch 2, using the second positioning bolt 57 and the second positioning nut 58, the positioning ring 51 and the gear plate 1 are fixed together, and the replacement of the latch 2 on the damaged gear plate 1 is completed.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the utility model.

Claims (6)

1. The precise shape-trimming involute gear comprises a gear disc (1) and a plurality of clamping teeth (2), and is characterized in that the clamping teeth (2) are arranged outside the gear disc (1) in an annular array at equal intervals, a clamping block (3) is fixedly connected to the bottom of each clamping tooth (2), a plurality of clamping grooves (4) are formed in the outer wall of the gear disc (1) in an annular array at equal intervals, the outer wall of each clamping block (3) is clamped with the inner cavity of each clamping groove (4) in a sliding mode, and a positioning mechanism (5) is arranged on the outer wall of the gear disc (1);

the positioning mechanism (5) comprises two positioning circular rings (51), the two positioning circular rings (51) are respectively positioned on two sides of the gear disc (1), and the fixture block (3) is positioned between the two positioning circular rings (51).

2. The precision trimming involute gear according to claim 1, wherein the outer wall of the clamping block (3) is attached to the inner wall of the clamping groove (4), and the bottom of the clamping tooth (2) is attached to the outer wall of the gear disc (1).

3. The precise modified involute gear according to claim 1, wherein a first connecting hole (53) is formed in one side of the fixture block (3), a plurality of first positioning bolts (52) are slidably inserted and sleeved in an annular array on the side of one side of the positioning ring (51) at equal intervals, and the outer wall of each first positioning bolt (52) is slidably sleeved with the inner cavity of the corresponding first connecting hole (53).

4. The precision trimming involute gear according to claim 3, wherein one end of the outer wall of the first positioning bolt (52) penetrates through the other positioning ring (51) and is sleeved with two first positioning nuts (54) in a threaded manner.

5. The precision trimming involute gear according to claim 1, wherein the fixture block (3) is provided with a gasket (55) on both sides, and the gasket (55) is located between the two positioning rings (51).

6. The precision-modified involute gear according to claim 1, wherein a plurality of second connecting holes (56) are formed in one side of the gear disc (1) and the middle of one side of each positioning ring (51) in an annular array at equal intervals, one side of each positioning ring (51) is provided with a plurality of second positioning bolts (57) in an annular array, two second positioning nuts (58) are sleeved on one side of the outer wall of each second positioning bolt (57) in a threaded manner, and each second positioning nut (58) is located on one side of another positioning ring (51).

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