CN220581311U - Automatic tooth case of ox horn fan - Google Patents
Automatic tooth case of ox horn fan Download PDFInfo
- Publication number
- CN220581311U CN220581311U CN202320658410.XU CN202320658410U CN220581311U CN 220581311 U CN220581311 U CN 220581311U CN 202320658410 U CN202320658410 U CN 202320658410U CN 220581311 U CN220581311 U CN 220581311U
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- worm
- cavity
- case
- upper cover
- driven gear
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- 238000003780 insertion Methods 0.000 claims description 3
- 230000037431 insertion Effects 0.000 claims description 3
- 210000000078 claw Anatomy 0.000 claims description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003990 capacitor Substances 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000010030 laminating Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000017105 transposition Effects 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
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Abstract
The utility model discloses an automatic gearbox of a ox horn fan, which comprises a shell, a worm wheel, a driven gear and a crank rod, wherein the worm wheel is arranged on the shell; the shell comprises a case and an upper cover; the machine case is the upper end opening, and the middle part is equipped with the cavity, and the bottom is equipped with the casing of post chamber. The front side of the case is provided with a shaft hole, and an output shaft of the motor penetrates through the shaft hole and is meshed with the driven gear to drive; the other side of the case is also provided with a shaft seat, and the shaft seat and the shaft hole are coaxially arranged. The left side and the right side of the inside of the case are respectively provided with an inserting cavity for installing a worm; the worm is horizontally arranged, and the left end and the right end of the worm are respectively arranged in the inserting cavity; the driven gear is sleeved on the worm; the worm wheel is arranged on one side of the worm and is connected with the worm in a meshed mode. The automatic gearbox of the ox horn fan has simple and reasonable structural design, so that the worm assembly is very convenient to assemble, and the assembly efficiency of products is improved; and the strength of the upper cover of the shell is increased.
Description
Technical Field
The utility model relates to the technical field of fan oscillating parts, in particular to an automatic ox horn fan tooth case.
Background
Industrial fans are widely used in a large space as an industrial machine for ventilation of the space, but the industrial fans in the prior art are basically ceiling-type non-movable large fans and vertical-type movable large fans. The traditional industrial electric fan capable of shaking the head has two types of shaking modes: one is that the upper end of the tooth box shell presses the pull type; the other is that the bottom nut of the tooth box shell is disassembled and assembled for transposition.
In the prior art, the worm in the gearbox shell (the head shaking part) of the industrial fan transversely penetrates through the shell, and the left and right through holes on the shell are plugged with end covers, so that the assembly is inconvenient and the product assembly efficiency is affected; meanwhile, the number of accessories is not few, and the cost and the assembly efficiency are increased.
Therefore, the automatic gearbox of the ox horn fan has the advantages that the structural design is optimized, and the assembly of the worm assembly are very convenient; and the strength of the upper cover of the shell is increased.
Disclosure of Invention
The utility model aims to provide the ox horn fan automatic tooth box, which has simple and reasonable structural design, so that the worm assembly is very convenient to assemble, and the assembly efficiency of products is accelerated; and the strength of the upper cover of the shell is increased.
In order to solve the technical problems, the technical scheme of the utility model is as follows:
an automatic gearbox of a ox horn fan comprises a shell, a worm wheel, a driven gear and a crank rod;
the shell comprises a case and an upper cover; the case is a shell with an opening at the upper end, a cavity in the middle and a column cavity at the bottom; the upper cover is fixedly arranged at the opening of the upper end of the case through a screw;
the top of the upper cover is provided with a semi-cylindrical concave cavity for inserting a motor rotating shaft, and the outer wall of the rotating shaft is provided with spiral teeth meshed with a driven gear.
The front side of the case is provided with a shaft hole, and an output shaft of the motor penetrates through the shaft hole and is meshed with the driven gear to drive; the other side of the case is also provided with a shaft seat, and the shaft seat and the shaft hole are coaxially arranged.
The left side and the right side of the inside of the case are respectively provided with an inserting cavity for installing a worm;
the worm is horizontally arranged, and the left end and the right end of the worm are respectively arranged in the inserting cavity;
the driven gear is sleeved on the worm; the outer wall of the worm is provided with spiral teeth;
the worm wheel is arranged on one side of the worm and is connected with the worm in a meshed mode.
The crank rod is vertically arranged, penetrates through the column cavity at the bottom of the case, is sleeved with a worm wheel at the upper end, and is provided with a swing rod at the bottom end.
Preferably, the upper cover bottom is equipped with the arch chamber, and the laminating of arch chamber is gone up with the axle bed for upper cover and quick-witted case's faying face, spacing face have more, have increased structural strength, joint strength compared the upper cover of straightness among the prior art.
Briefly described its working principle: the motor rotating shaft drives the driven gear to rotate, the driven gear drives the worm to rotate, the worm drives the worm wheel, and the worm wheel drives the crank rod to rotate. When the industrial fan is required to shake the head, the swing rod at the bottom of the crank rod is connected with the fan upright post (frame body), the crank rod which is required to rotate is fixed and influenced by the reaction force, the case is further pushed to rotate, and the fan fixedly arranged on the case also rotates, so that the fan shake function is realized.
The utility model has the beneficial effects that:
after the worm is sleeved with the driven gear, the driven gear is placed into the insertion cavity of the case from the top, so that the assembly is very convenient and quick, and the assembly efficiency and the production efficiency of products are improved;
the structural strength of the upper cover is increased, and the connection strength of the upper cover and the case is increased.
Drawings
FIG. 1 is a schematic diagram of an automatic ox horn fan tooth case according to the present utility model;
FIG. 2 is a front view of an automated dental box of a ox horn fan in accordance with the present utility model;
FIG. 3 is a schematic view of an automatic ox horn fan tooth case according to the present utility model (with the cover omitted);
FIG. 4 is a schematic view of an alternative view of an automated dental box for ox horn fans according to the present utility model (with the top cover omitted);
FIG. 5 is a top view of the upper cover of an automatic ox horn fan dental box of the present utility model;
fig. 6 is a rear view of the upper cover of an automatic ox horn fan dental box of the present utility model.
Detailed Description
The following describes the embodiments of the present utility model further with reference to the drawings. The description of these embodiments is provided to assist understanding of the present utility model, but is not intended to limit the present utility model. In addition, the technical features of the embodiments of the present utility model described below may be combined with each other as long as they do not collide with each other.
As shown in fig. 1-6, an automatic gearbox of a ox horn fan comprises a shell, a worm 2, a worm wheel 3, a driven gear 4 and a crank rod 5;
the shell comprises a case 11 and an upper cover 12; the case 11 is a shell with an opening at the upper end, a cavity in the middle and a column cavity 113 at the bottom; the upper cover 12 is fixedly arranged at the upper end opening of the case 11 through a screw;
the top of the upper cover 12 is provided with a semi-cylindrical concave cavity 121 for inserting a motor rotating shaft, and the outer wall of the rotating shaft is provided with spiral teeth 21 meshed with the driven gear 4.
The front side of the case 11 is provided with a shaft hole 111, and an output shaft of the motor passes through the shaft hole 111 to be meshed with the driven gear 4 so as to drive the driven gear 4 to drive; the other side of the case 11 is also provided with an axle seat 112, and the axle seat 112 and the axle hole 111 are coaxially arranged.
The left side and the right side of the inside of the case 11 are respectively provided with an inserting cavity 6 for installing the worm 2;
the worm 2 is horizontally arranged, and the left end and the right end of the worm are respectively arranged in the inserting cavity 6;
the driven gear 4 is sleeved on the worm 2; the outer wall of the worm 2 is provided with spiral teeth 21;
the worm wheel 3 is arranged on one side of the worm 2 and is connected with the worm 2 in a meshed manner.
The crank rod 5 is vertically arranged, penetrates through the column cavity 113 at the bottom of the case 11, is sleeved with the worm wheel 3 at the upper end, and is provided with the swing rod 51 at the bottom end.
Preferably, a limiting presser foot 122 is arranged at the bottom of the upper cover 12 to limit the vertical displacement of the worm 2, and an arc-shaped concave cavity is arranged at the bottom of the limiting presser foot 122; the limit presser foot 122 is inserted into the insertion cavity 6, and the arc-shaped concave cavity of the limit presser foot is attached to the outer wall of the worm 2.
Preferably, the bottom of the upper cover 12 is provided with an arch cavity 123, and the arch cavity 123 is attached to the shaft seat 112, so that the attaching surface and the limiting surface of the upper cover 12 and the chassis 11 are more, and compared with the flat upper cover 12 in the prior art, the structural strength and the connection strength are improved.
Preferably, a limiting cavity is arranged in the case 11 and is used for limiting the horizontal displacement of the driven gear 4, so that the driven gear can only rotate around the axis of the worm 2. The bottom edge of the driven gear 4 is arranged in the limiting cavity.
Preferably, the top of the upper cover 12 is provided with a clearance groove 124 for allowing a screw to pass through and give way when the chassis 11 is connected with a fan component (the ox horn fan tooth case in the prior art has the fixing screw installed inside the chassis, which results in inconvenient installation).
Preferably, the top of the upper cover 12 is provided with a plug-in card seat 7, so that other electronic components (such as a capacitor) can be conveniently fixed on the upper cover 12, and meanwhile, the upper cover is also convenient to detach. The middle part of the plug-in card seat 7 is a trapezoid plug-in cavity 71, and the bottom of the trapezoid plug-in cavity 71 is provided with an upward-inclined elastic claw 72.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, but the present utility model is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the utility model, and still fall within the scope of the utility model.
Claims (7)
1. An automatic tooth case of ox horn fan which characterized in that: comprises a shell, a worm wheel, a driven gear and a crank rod;
the shell comprises a case and an upper cover; the case is a shell with an opening at the upper end, a cavity in the middle and a column cavity at the bottom; the upper cover is fixedly arranged at the opening of the upper end of the case through a screw;
the front side of the case is provided with a shaft hole;
the left side and the right side of the inside of the case are respectively provided with an inserting cavity for installing a worm;
the worm is horizontally arranged, and the left end and the right end of the worm are respectively arranged in the inserting cavity;
the driven gear is sleeved on the worm; the outer wall of the worm is provided with spiral teeth;
the worm wheel is arranged on one side of the worm and is connected with the worm in a meshed manner;
the crank rod is vertically arranged, penetrates through the column cavity at the bottom of the case, is sleeved with a worm wheel at the upper end, and is provided with a swing rod at the bottom end.
2. The ox horn fan automatic tooth case according to claim 1, wherein: the bottom of the upper cover is provided with a limiting presser foot, and the bottom of the limiting presser foot is provided with an arc-shaped concave cavity; the limiting presser foot is inserted into the insertion cavity, and the arc-shaped concave cavity of the limiting presser foot is attached to the outer wall of the worm.
3. The ox horn fan automatic tooth case according to claim 2, wherein: the top of the upper cover is provided with a semi-cylindrical concave cavity; the other side of the case is also provided with a shaft seat, and the shaft seat and the shaft hole are coaxially arranged.
4. A ox horn fan automatic dental box according to any one of claims 1-3, wherein: the bottom of the upper cover is provided with an arch cavity, and the arch cavity is attached to the shaft seat.
5. The ox horn fan automatic tooth case of claim 4, wherein: and a limiting cavity is arranged in the case, and the bottom edge of the driven gear is arranged in the limiting cavity.
6. The ox horn fan automatic tooth case of claim 5, wherein: the top of the upper cover is provided with a plug-in clamping seat; the middle part of the plug-in card seat is a trapezoid plug-in cavity, and the bottom of the trapezoid plug-in cavity is provided with an upward-inclined elastic claw.
7. The ox horn fan automatic tooth case of claim 6, wherein: the top of the upper cover is provided with a clearance groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658410.XU CN220581311U (en) | 2023-03-30 | 2023-03-30 | Automatic tooth case of ox horn fan |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320658410.XU CN220581311U (en) | 2023-03-30 | 2023-03-30 | Automatic tooth case of ox horn fan |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220581311U true CN220581311U (en) | 2024-03-12 |
Family
ID=90107974
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320658410.XU Active CN220581311U (en) | 2023-03-30 | 2023-03-30 | Automatic tooth case of ox horn fan |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220581311U (en) |
-
2023
- 2023-03-30 CN CN202320658410.XU patent/CN220581311U/en active Active
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