CN217713399U - Tooth-type coupling with dustproof function - Google Patents
Tooth-type coupling with dustproof function Download PDFInfo
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- CN217713399U CN217713399U CN202222161022.9U CN202222161022U CN217713399U CN 217713399 U CN217713399 U CN 217713399U CN 202222161022 U CN202222161022 U CN 202222161022U CN 217713399 U CN217713399 U CN 217713399U
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Abstract
The utility model discloses a tooth-type shaft coupling with dustproof function, including interior tooth cover with locate the inside outer tooth axle of interior tooth cover, outer tooth axle mesh with the inner tooth cover mutually, the right-hand member of interior tooth cover set firmly the tooth cover end cover, still include the dust cover, the outer terminal edge of dust cover install on the tooth cover end cover, the dust cover interior terminal edge install on outer tooth is epaxial, the dust cover on seted up the bleeder vent. The dustproof cover is arranged at the end part of the tooth-type coupling, has a sealing dustproof effect on the inner cavity of the tooth-type coupling, and effectively prevents dust in air from entering the lubricating cavity to pollute a lubricating medium, so that the permanent lubricating effect of the lubricating medium is ensured, and the integral service life of the tooth-type coupling is prolonged; the dustproof cover is provided with the air holes, so that air in the cavity of the gear coupling can be exhausted in time, and the air pressure balance and the use safety and stability of the inner cavity are ensured; the structure design is ingenious and reasonable, the manufacture is simple, and the practicability is strong.
Description
Technical Field
The utility model relates to a tooth-type shaft coupling with dustproof function.
Background
The drum-shaped tooth coupling (coupling) is one of the key parts of the transmission, steering and driving systems of subways, light rail trains, high-speed motor train units and the like. As shown in fig. 1, a tooth coupling in the prior art includes an inner gear sleeve 1 and an outer gear shaft 2 disposed inside the inner gear sleeve 1, the outer gear shaft 2 is engaged with the inner gear sleeve 1, a closed lubrication cavity is formed between the inner gear sleeve 1 and the outer gear shaft 2 through a bellows 3, a lubrication medium is filled in the lubrication cavity, a gear sleeve end cover 7 extending radially inward is disposed at an outer end edge of the inner gear sleeve 1, an outer end of the bellows 3 is tightly fixed to an end edge of the gear sleeve end cover 7, an inner end of the bellows 3 is tightly fixed to the outer gear shaft 2 through a compression ring 4 and a compression ring bolt 5, an O-ring 6 is disposed between the inner end edge of the gear sleeve end cover 7 and a flange at the outer end of the bellows 3, a bushing is disposed inside the outer gear shaft 2 in an interference fit manner, and a motor shaft is disposed inside the bushing in an interference fit manner when the motor shaft is used.
In the gear coupling with the structure, the outer side end of the corrugated pipe is clamped on the inner end edge of the gear sleeve end cover by the self clamping force between the flanging and the body, in the working process of the gear coupling, the outer side end flanging of the corrugated pipe and the inner end edge of the gear sleeve end cover have relative rotation under the driving of the external force, and a gap is inevitably generated between the outer side end flanging of the corrugated pipe and the end edge of the gear sleeve end cover, so that dust in the air can enter a lubricating cavity through the gap between the outer side end flanging of the corrugated pipe and the end edge of the gear sleeve end cover to pollute a lubricating medium, the action of the lubricating medium is weakened or even fails after a long time, and the hidden trouble that the use effect or the service life of the gear coupling is influenced exists. The utility model aims at designing a tooth-type shaft coupling to solve foretell technical problem.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects in the prior art and provide a toothed coupling with a dustproof function, wherein the end part of the toothed coupling is provided with a dustproof cover which has a sealing dustproof effect on the inner cavity of the toothed coupling and effectively prevents dust in the air from entering the lubricating cavity to pollute the lubricating medium, thereby ensuring the lasting lubricating effect of the lubricating medium and being beneficial to prolonging the whole service life of the toothed coupling; the dustproof cover is provided with air holes, so that air in the cavity of the gear coupling can be exhausted in time, and the air pressure balance and the use safety and stability of the inner cavity are ensured; the structure design is ingenious and reasonable, the manufacture is simple, and the practicability is strong.
In order to achieve the purpose, the technical scheme of the utility model a tooth type shaft coupling with dustproof function is designed, including interior tooth cover and the inside outer tooth axle of tooth cover in locating, outer tooth axle mesh with the inner tooth cover mutually, the right-hand member of interior tooth cover set firmly the tooth cover end cover, still include the dust cover, the outer edge of dust cover install on tooth cover end cover, the dust cover in the end install on outer tooth axle, the dust cover on seted up the bleeder vent.
The utility model discloses a tooth-type shaft coupling with dustproof function, the tip of tooth-type shaft coupling is provided with the dust cover, and the dust cover has sealed dustproof effect to tooth-type shaft coupling internal cavity, effectively avoids the dust in the air to get into and pollutes the lubricated medium in the lubricated cavity to ensure the lasting lubrication action of lubricated medium, and help prolonging tooth-type shaft coupling's whole life; the dustproof cover is provided with air holes, so that air in the cavity of the gear coupling can be exhausted in time, and the air pressure balance and the use safety and stability of the inner cavity are ensured; the structure design is ingenious and reasonable, the manufacture is simple, and the practicability is strong.
The gear sleeve end cover is characterized in that a first annular mounting groove is formed in the outer side face of the inner end edge of the gear sleeve end cover, a first flanging is arranged on the outer end edge of the dust cover, the first flanging is clamped and mounted in the first annular mounting groove, and the inner end edge of the dust cover is fixedly mounted on the outer end face of the outer gear shaft through a pressing plate assembly. The first flanging at the outer end edge of the dust cover is clamped and installed in the first annular installation groove at the inner end edge of the gear sleeve end cover, and the inner end edge of the dust cover is fixedly installed on the outer end face of the outer gear shaft through the pressing plate assembly, so that the whole dust cover is basically and fixedly arranged at the end part of the gear coupling, abnormal sound is avoided when the dust cover and the gear sleeve end cover or the end face of the outer gear shaft move relatively, and traveling noise is eliminated.
Further preferred technical scheme still, tooth cover end cover inside edge's lateral surface be equipped with first hoop eaves body, the cross section of first hoop eaves body for the opening towards the different U style of calligraphy structure of tooth cover end cover inside edge, first hoop eaves body and tooth cover end cover inside edge's lateral surface constitute first annular mounting groove. First annular mounting groove structural design is ingenious reasonable for first turn-ups joint simple to operate on the dust cover.
According to a further preferable technical scheme, a plurality of first mounting holes are formed in the outer end face of the outer gear shaft at intervals in the circumferential direction, the pressing plate assembly comprises an annular pressing plate, a plurality of second mounting holes corresponding to the first mounting holes are formed in the annular pressing plate at intervals, the annular pressing plate is fixedly connected with the first mounting holes in the outer end face of the outer gear shaft through fixing bolts penetrating through the second mounting holes, a second annular flange body with a 7-shaped cross section is arranged at the outer end edge of the annular pressing plate, a second annular mounting groove is formed by the second annular flange body and the outer end face of the outer gear shaft, a second flanging is arranged at the inner end edge of the dust cover, and the second flanging is tightly mounted in the second annular mounting groove through the pressing plate assembly in a clamping mode. The clamp plate assembly and the second annular mounting groove are ingenious and reasonable in structural design, easy to install and detach and convenient to maintain and replace the dust cover in the later period.
In a further preferred embodiment, the dust cover has a C-shaped cross section, and the convex surface of the dust cover faces the outside of the toothed coupling. The dust cover with the structural design can effectively avoid or reduce the enrichment of dust on the outer side surface of the dust cover, and is beneficial to prolonging the cleaning period of the dust cover; the overall deformation of the dust cover is large, and the overall flexibility of the toothed coupling is ensured.
Further preferably, the dust cover is made of rubber.
Further preferred technical scheme still, interior tooth cover and external tooth axle between form confined lubricated chamber through the bellows, lubricated intracavity is filled with lubricating medium, the right-hand member of interior tooth cover set firmly the tooth cover end cover, the left side end of bellows compress tightly through clamping ring and clamping ring bolt and be fixed in on the external tooth axle, the right side end of bellows pass through the turn-ups centre gripping on the interior end edge of tooth cover end cover, the turn-ups of the inner end edge of tooth cover end cover and bellows right side end between be equipped with O type circle.
The utility model has the advantages and the beneficial effects that:
1. the utility model discloses a tooth-type shaft coupling with dustproof function, the tip of tooth-type shaft coupling is provided with the dust cover, and the dust cover has sealed dustproof effect to tooth-type shaft coupling internal cavity, effectively avoids the dust in the air to get into and pollutes the lubricated medium in the lubricated cavity to ensure the lasting lubrication action of lubricated medium, and help prolonging tooth-type shaft coupling's whole life; the dustproof cover is provided with the air holes, so that air in the cavity of the gear coupling can be exhausted in time, and the air pressure balance and the use safety and stability of the inner cavity are ensured; the structure design is ingenious and reasonable, the manufacture is simple, and the practicability is strong.
2. The first flanging at the outer end edge of the dust cover is clamped and installed in the first annular installation groove at the inner end edge of the gear sleeve end cover, and the inner end edge of the dust cover is fixedly installed on the outer end face of the outer gear shaft through the pressing plate assembly, so that the whole dust cover is basically and fixedly arranged at the end part of the gear coupling, abnormal sound is avoided when the dust cover and the gear sleeve end cover or the end face of the outer gear shaft move relatively, and traveling noise is eliminated.
3. The pressing plate assembly and the second annular mounting groove are ingenious and reasonable in structural design, easy to install and detach and convenient to maintain and replace the dust cover in the later period.
4. The cross section of the dust cover is of a C-shaped structure, and the convex surface side of the dust cover faces the outer side of the gear coupling. The dust cover with the structural design can effectively avoid or reduce the enrichment of dust on the outer side surface of the dust cover, and is beneficial to prolonging the cleaning period of the dust cover; the overall deformation of the dust cover is large, and the overall flexibility of the toothed coupling is ensured.
Drawings
FIG. 1 is a cross-sectional view of a prior art dog clutch;
fig. 2 is a schematic cross-sectional view of a tooth coupling with a dustproof function according to the present invention;
FIG. 3 is one of the enlarged partial views at W in FIG. 2;
fig. 4 is a second enlarged view of a portion W of fig. 2 (with the dust cover hidden).
In the figure: 1. an inner gear sleeve; 2. an outer gear shaft; 3. a bellows; 4. pressing a ring; 5. a ring-pressing bolt; 6. an O-shaped ring; 7. a gear sleeve end cover; 8. a dust cover; 9. an annular pressure plate; 10. fixing the bolt; 7-1, a first annular eaves body; 7-2, a first annular mounting groove; 8-1, first flanging; 8-2, second flanging; 8-3, air holes; 9-1, a second circumferential eaves body; 9-2 and a second annular mounting groove.
Detailed Description
The following description will further describe embodiments of the present invention with reference to the accompanying drawings and examples. The following examples are only for illustrating the technical solutions of the present invention more clearly, and the protection scope of the present invention is not limited thereby.
Examples
As shown in fig. 2-4, the utility model relates to a tooth-type shaft coupling with dustproof function, including interior tooth cover 1 with locate the inside outer gear shaft 2 of interior tooth cover 1, outer gear shaft 2 mesh with interior tooth cover 1 mutually, the right-hand member of interior tooth cover 1 set firmly tooth cover end cover 7, still include dust cover 8, 8 outer terminal edges of dust cover install on tooth cover end cover 7, 8 interior terminal edges of dust cover install on outer tooth shaft 2, dust cover 8 on seted up bleeder vent 8-3.
Preferably, the outer side surface of the inner end edge of the gear sleeve end cover 7 is provided with a first annular mounting groove 7-2, the outer end edge of the dust cover 8 is provided with a first flanging 8-1, the first flanging 8-1 is clamped and mounted in the first annular mounting groove 7-2, and the inner end edge of the dust cover 8 is fixedly mounted on the outer end surface of the outer gear shaft 2 through a pressing plate assembly.
Further preferably, the lateral surface of the inner end edge of the gear sleeve end cover 7 is provided with a first annular eaves body 7-1, the cross section of the first annular eaves body 7-1 is of an abnormal U-shaped structure with an opening facing the inner end edge of the gear sleeve end cover 7, and the first annular eaves body 7-1 and the lateral surface of the inner end edge of the gear sleeve end cover 7 form the first annular mounting groove 7-2.
Further preferably, a plurality of first mounting holes are formed in the outer end face of the outer gear shaft 2 at intervals in the circumferential direction, the pressure plate assembly comprises an annular pressure plate 9, a plurality of second mounting holes corresponding to the first mounting holes are formed in the annular pressure plate 9 at intervals, the annular pressure plate 9 is fixedly connected with the first mounting holes in the outer end face of the outer gear shaft 2 through fixing bolts 10 penetrating through the second mounting holes, a second annular eaves body 9-1 with a 7-shaped cross section is arranged at the outer end edge of the annular pressure plate 9, the second annular eaves body 9-1 and the outer end face of the outer gear shaft 2 form a second annular mounting groove 9-2, a second flanging 8-2 is arranged at the inner end edge of the dust cover 8, and the second flanging 8-2 is tightly clamped and mounted in the second annular mounting groove 9-2 through the pressure plate assembly.
It is further preferred that said dust boot 8 has a C-shaped cross-section and that the convex side of the dust boot 8 is facing the outside of the gear coupling.
More preferably, the dust cover 8 is made of rubber.
Further preferably, interior tooth cover 1 and external gear shaft 2 between form confined lubricated chamber through bellows 3, lubricated intracavity is filled with lubricating medium, the right-hand member of interior tooth cover 1 set firmly tooth cover end cover 7, the left side end of bellows 3 compress tightly through clamping ring 4 and clamping ring bolt 5 and be fixed in on external gear shaft 2, the right side end of bellows 3 through the turn-ups centre gripping on the interior end of tooth cover end cover 7, the turn-ups of the interior end of tooth cover end cover 7 and the right side end of bellows 3 between be equipped with O type circle 6.
Further preferably, the gear sleeve end cover 7 and the inner gear sleeve 1 are integrally formed; or, the gear sleeve end cover 7 and the inner gear sleeve 1 are of a split structure and fixedly connected through a bolt assembly.
The utility model relates to an equipment principle of tooth-type shaft coupling with dustproof function:
the left end of the corrugated pipe 3 is tightly pressed and fixed on the outer gear shaft 2 through a pressure ring 4 and a pressure ring bolt 5, the right end of the corrugated pipe 3 is clamped on the inner end edge of a gear sleeve end cover 7 through a bending flanging, and an O-shaped ring 6 is arranged between the inner end edge of the gear sleeve end cover 7 and the flanging at the right end of the corrugated pipe 3; sleeving the inner gear sleeve 1 on the outer gear shaft 2; the first flanging 8-1 at the outer end edge of the dust cover 8 is clamped and installed in the first annular installation groove 7-2, the fixing bolt 10 is unscrewed, the second flanging 8-2 at the inner end edge of the dust cover 8 is clamped and installed in the second annular installation groove 9-2, and the fixing bolt 10 is screwed down, so that the second flanging 8-2 is tightly clamped and installed in the second annular installation groove 9-2.
The utility model discloses a tooth-type shaft coupling with dustproof function, the tip of tooth-type shaft coupling is provided with the dust cover, and the dust cover has sealed dustproof effect to tooth-type shaft coupling internal cavity, effectively avoids the dust in the air to get into and pollutes the lubricated medium in the lubricated cavity to ensure the lasting lubrication action of lubricated medium, and help prolonging tooth-type shaft coupling's whole life; the dustproof cover is provided with the air holes, so that air in the cavity of the gear coupling can be exhausted in time, and the air pressure balance and the use safety and stability of the inner cavity are ensured; the structural design is ingenious and reasonable, the manufacturing is simple, and the practicability is high.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the technical principle of the present invention, and these improvements and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides a tooth-type shaft coupling with dustproof function, includes interior tooth cover (1) and locates inside outer tooth axle (2) of interior tooth cover (1), outer tooth axle (2) mesh with interior tooth cover (1), the right-hand member of interior tooth cover (1) set firmly tooth cover end cover (7), its characterized in that still includes dust cover (8), dust cover (8) outer terminal edge install on tooth cover end cover (7), dust cover (8) inner terminal edge install on outer tooth axle (2), dust cover (8) on seted up bleeder vent (8-3).
2. A tooth coupling with dust protection as claimed in claim 1, characterized in that the outer side of the inner end edge of the tooth sleeve end cover (7) is provided with a first annular mounting groove (7-2), the outer end edge of the dust cover (8) is provided with a first flange (8-1), the first flange (8-1) is snap-fitted into the first annular mounting groove (7-2), and the inner end edge of the dust cover (8) is fixedly mounted on the outer end surface of the outer tooth shaft (2) through a compression plate assembly.
3. The toothed coupling with a dustproof function according to claim 2, wherein a first circumferential eaves (7-1) is provided on an outer side surface of an inner end edge of the gear cover end cap (7), a cross section of the first circumferential eaves (7-1) has a different U-shaped structure with an opening facing the inner end edge of the gear cover end cap (7), and the first circumferential eaves (7-1) and the outer side surface of the inner end edge of the gear cover end cap (7) form the first annular mounting groove (7-2).
4. A tooth coupling with dust-proof function as claimed in claim 3, characterized in that the outer end face of the external gear shaft (2) is provided with a plurality of first mounting holes at circumferential intervals, the pressure plate assembly comprises an annular pressure plate (9), the annular pressure plate (9) is provided with a plurality of second mounting holes at intervals corresponding to the first mounting holes, the annular pressure plate (9) is fixedly connected with the first mounting holes on the outer end face of the external gear shaft (2) through fixing bolts (10) penetrating through the second mounting holes, the outer end of the annular pressure plate (9) is provided with a second annular flange (9-1) having a 7-shaped cross section, the second annular flange (9-1) and the outer end face of the external gear shaft (2) form a second annular mounting groove (9-2), the inner end of the dust cover (8) is provided with a second flange (8-2), and the second flange (8-2) is mounted in the second annular mounting groove (9-2) through the pressure plate assembly.
5. A toothed coupling with dust protection according to claim 4, characterized in that said dust boot (8) has a C-shaped cross-section and that the convex side of the dust boot (8) faces the outside of the toothed coupling.
6. A toothed shaft coupling with dust protection according to claim 5, characterized in that said dust shield (8) is made of rubber.
7. The toothed coupling with dustproof function according to claim 6, characterized in that a closed lubrication cavity is formed between the inner gear sleeve (1) and the outer gear shaft (2) through a corrugated pipe (3), a lubrication medium is filled in the lubrication cavity, a gear sleeve end cover (7) is fixedly arranged at the right end of the inner gear sleeve (1), the left end of the corrugated pipe (3) is tightly fixed on the outer gear shaft (2) through a compression ring (4) and a compression ring bolt (5), the right end of the corrugated pipe (3) is clamped on the inner end edge of the gear sleeve end cover (7) through a flanging, and an O-shaped ring (6) is arranged between the inner end edge of the gear sleeve end cover (7) and the flanging at the right end of the corrugated pipe (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222161022.9U CN217713399U (en) | 2022-08-17 | 2022-08-17 | Tooth-type coupling with dustproof function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222161022.9U CN217713399U (en) | 2022-08-17 | 2022-08-17 | Tooth-type coupling with dustproof function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217713399U true CN217713399U (en) | 2022-11-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222161022.9U Active CN217713399U (en) | 2022-08-17 | 2022-08-17 | Tooth-type coupling with dustproof function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217713399U (en) |
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2022
- 2022-08-17 CN CN202222161022.9U patent/CN217713399U/en active Active
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