CN213808552U - Shockproof claw-shaped tooth-type coupling - Google Patents
Shockproof claw-shaped tooth-type coupling Download PDFInfo
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- CN213808552U CN213808552U CN202022688341.6U CN202022688341U CN213808552U CN 213808552 U CN213808552 U CN 213808552U CN 202022688341 U CN202022688341 U CN 202022688341U CN 213808552 U CN213808552 U CN 213808552U
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Abstract
The utility model relates to a claw shape tooth-like shaft coupling takes precautions against earthquakes, including two connecting transmission shafts respectively and can mutually support the shaft coupling spare and set up the elastic element between the shaft coupling spare, elastic element includes the central part, radially sets up in the radial cooperation portion of central part and connects the top cooperation portion of adjacent radial cooperation portion, forms the cooperation groove of shaft coupling spare end tooth between the radial cooperation portion. The elastic element is connected with the top end matching part between the radial matching parts except the radial matching parts, when the two coupling parts are matched, the radial matching parts are positioned between the end teeth of the two coupling parts, the coupling parts play a role in shock resistance when transmitting torque, the top end matching parts are positioned between the top ends of the end teeth of the coupling parts and the bottoms of the grooves between the end teeth of the other coupling part, and the shock resistance effect is played when the axial displacement of the two coupling parts is compensated.
Description
Technical Field
The utility model relates to a shaft coupling especially relates to a claw shape tooth-like shaft coupling takes precautions against earthquakes.
Background
The coupling refers to connecting two shafts or a shaft and a rotating part to rotate together in the process of transmitting motion and power. Depending on the operating conditions, the coupling may need to be flexible and cushioned.
The rigid coupling has the advantages of simple structure, lower manufacturing cost, convenient assembly, disassembly and maintenance, and capability of ensuring that two shafts have higher centering property and larger transmission torque, but does not have buffering property and the capability of compensating relative displacement of two axes, and the two shafts are required to be strictly centered.
The flexible coupling has the capacity of compensating the relative displacement of two axes, and the flexible coupling with the elastic element also has the functions of buffering and damping, but the flexible coupling with the elastic element is only provided with the elastic element additionally arranged at the two matched tooth surface parts, and the elastic element is not arranged at the matched tooth top end position, so that the tooth top end surface is easy to collide and vibrate during axial compensation.
Disclosure of Invention
The utility model provides a claw shape tooth-like shaft coupling takes precautions against earthquakes sets up an elastic element between two complex shaft couplings, and elastic element and shaft coupling tooth face cooperation outside, still with shaft coupling tooth top terminal surface cooperation, play the cushioning effect in the time of the transmission moment of torsion, also play the cushioning effect simultaneously in axial displacement compensation.
The utility model discloses a concrete technical scheme does: the utility model provides a claw shape tooth-like shaft coupling takes precautions against earthquakes, includes that two connect the transmission shaft respectively and can mutually support shaft coupling spare and set up the elastic element between shaft coupling spare, and elastic element includes central part, radially sets up in the radial cooperation portion of central part and connects the top cooperation portion of adjacent radial cooperation portion, forms the cooperation groove of shaft coupling spare end tooth between the radial cooperation portion.
The elastic element is connected with the top end matching part between the radial matching parts except the radial matching parts, when the two coupling parts are matched, the radial matching parts are positioned between the end teeth of the two coupling parts, the coupling parts play a role in shock resistance when transmitting torque, the top end matching parts are positioned between the top ends of the end teeth of the coupling parts and the bottoms of the grooves between the end teeth of the other coupling part, and the shock resistance effect is played when the axial displacement of the two coupling parts is compensated.
Further preferably, the tip end fitting portion connects the radial fitting portions and closes one end of the fitting groove.
Preferably, the shape of the matching groove is matched with the shape of the broken tooth of the coupling member, the top matching part is connected with the side part of the radial matching part, two top matching parts of the same radial matching part are positioned at two ends of the radial matching part, and the top matching parts on the elastic element are arranged in a left-right mode.
Further preferably, the inter-tooth grooves between the end teeth of the coupling member are the engagement positions of the radial engagement portions of the elastic elements, the bottoms of the inter-tooth grooves are recessed, and the two sides of the inter-tooth grooves are raised to form shoulder pads.
Further preferably, the shape of the outer side surface of the top end matching part is matched with the shape of the bottom of the interdental slot, the middle bulge of the top end matching part corresponds to the concave position of the interdental slot, and two sides of the top end matching part are matched with the shoulder pad.
Preferably, the outer sides of two adjacent radial matching parts of the elastic element are arc surfaces of the same circle, the opposite surfaces of two adjacent coupling end teeth are arc surfaces of the same circle, and the diameter of the circle between the coupling end teeth is equal to the diameter of the circle outside the radial matching parts of the elastic element.
The utility model has the advantages that: the elastic element is connected with the top end matching part between the radial matching parts except the radial matching parts, when the two coupling parts are matched, the radial matching parts are positioned between the end teeth of the two coupling parts, the coupling parts play a role in shock resistance when transmitting torque, the top end matching parts are positioned between the top ends of the end teeth of the coupling parts and the bottoms of the grooves between the end teeth of the other coupling part, and the shock resistance effect is played when the axial displacement of the two coupling parts is compensated.
Drawings
Fig. 1 is a schematic end view of a coupling member according to the present invention;
FIG. 2 is a cross-sectional view A-A of the coupling member of FIG. 1 in accordance with the present invention;
fig. 3 is a schematic structural diagram of an elastic element according to the present invention;
fig. 4 is a cross-sectional view B-B of the elastic member shown in fig. 3 according to the present invention;
fig. 5 is a partial side view of the elastic member of fig. 3 according to the present invention;
in the figure: 1. the coupling piece 2, the end teeth 3, the shoulder pads 4, the concave recesses 5, the tooth space grooves 6, the elastic elements 7, the radial matching parts 8, the top matching parts 9, the central parts 10 and the matching grooves.
Detailed Description
The invention will be further described with reference to specific embodiments and with reference to the accompanying drawings.
Example (b):
as shown in fig. 1, 2, 3, 4 and 5, a shock-proof claw coupling comprises two coupling members 1 which are respectively connected to drive shafts and can be engaged with each other, and an elastic member 6 disposed between the coupling members.
The coupling piece comprises a cylinder and end teeth 2 positioned on the axial end face of the cylinder, and a through hole is formed in the axis of the cylinder. The end tooth is 3, and 3 end teeth are central symmetry and distribute. The end teeth of the coupling are provided with inter-tooth grooves 5, and the side surfaces of the end teeth at the two sides of the inter-tooth grooves are arc surfaces of the same circle. The bottom of the groove between the teeth is concave 4, and the two sides of the groove between the teeth are raised to form a shoulder pad 3.
The elastic element comprises a central part 9, radial matching parts 7 arranged on the central part in the radial direction and top end matching parts 8 connecting the adjacent radial matching parts, and matching grooves 10 of the end teeth of the coupling are formed between the radial matching parts. The top end matching part is connected with the radial matching part and closes one end of the matching groove. The shape of the matching groove is matched with the shape of broken teeth of the coupling part, the top matching part is connected with the side part of the radial matching part, two top matching parts of the same radial matching part are positioned at two ends of the radial matching part, and the top matching parts on the elastic element are arranged in a left-right mode. The surface shape of the outer side of the top end matching part is matched with the shape of the bottom of the inter-tooth groove, the middle bulge of the top end matching part corresponds to the concave position of the inter-tooth groove, and two sides of the top end matching part are matched with the shoulder pad. The outer sides of two adjacent radial matching parts of the elastic element are arc surfaces of the same circle, the opposite surfaces of two adjacent coupling end teeth are arc surfaces of the same circle, and the diameter of the circle between the coupling end teeth is equal to that of the circle on the outer side of the radial matching part of the elastic element.
When the two coupling parts are matched, the radial matching part is positioned between the end teeth of the two coupling parts, the top matching part is positioned between the top ends of the end teeth of the coupling parts and the bottoms of the grooves between the teeth of the end teeth of the other coupling part, the two coupling parts play a role in shock resistance when torque is transmitted, and play a role in shock resistance when the axial displacement of the two coupling parts is compensated.
The above, only be the utility model discloses a preferred embodiment, it is not right the utility model discloses do any restriction, all according to the utility model discloses the technical entity all still belongs to any simple modification, change and equivalent transformation of doing above embodiment the utility model discloses technical scheme's protection scope.
Claims (6)
1. The utility model provides a claw shape tooth-like shaft coupling takes precautions against earthquakes which characterized in that includes two shaft coupling spare that connect the transmission shaft respectively and can mutually support and sets up the elastic element between the shaft coupling spare, and elastic element includes central part, radially sets up in the radial cooperation portion of central part and connects the top cooperation portion of adjacent radial cooperation portion, forms the cooperation groove of shaft coupling spare end tooth between the radial cooperation portion.
2. The anti-rattle claw coupling according to claim 1, wherein the top end engagement portion is connected to the radial engagement portion and closes one end of the engagement groove.
3. A vibration-proof claw coupling according to claim 1 or 2, wherein the shape of the engagement groove is adapted to the shape of the broken teeth of the coupling member, the top end engagement portion is connected to the side edge portion of the radial engagement portion, two top end engagement portions of the same radial engagement portion are located at both end positions of the radial engagement portion, and the top end engagement portions on the elastic member are arranged in a left-right manner.
4. The anti-rattle claw coupling according to claim 1, wherein the inter-tooth grooves between the end teeth of the coupling member are the engagement positions of the radial engagement portions of the elastic members, the bottom of the inter-tooth grooves are recessed, and both sides of the inter-tooth grooves are raised to form shoulder pads.
5. The anti-rattle claw coupling according to claim 4, wherein the outer side surface of the tip engaging portion is shaped to fit the bottom of the inter-tooth space, the center protrusion of the tip engaging portion corresponds to the position of the depression of the inter-tooth space, and both sides of the tip engaging portion engage with the shoulder pads.
6. A vibration-proof claw coupling according to claim 1, 2, 4 or 5, wherein the outer sides of adjacent radial engaging portions of the elastic member are circular arc surfaces of the same circle, the opposite surfaces of end teeth of adjacent coupling members are circular arc surfaces of the same circle, and the diameter of the circle between the end teeth of the coupling members is equal to the diameter of the circle outside the radial engaging portions of the elastic member.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688341.6U CN213808552U (en) | 2020-11-19 | 2020-11-19 | Shockproof claw-shaped tooth-type coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022688341.6U CN213808552U (en) | 2020-11-19 | 2020-11-19 | Shockproof claw-shaped tooth-type coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213808552U true CN213808552U (en) | 2021-07-27 |
Family
ID=76936124
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022688341.6U Active CN213808552U (en) | 2020-11-19 | 2020-11-19 | Shockproof claw-shaped tooth-type coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213808552U (en) |
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2020
- 2020-11-19 CN CN202022688341.6U patent/CN213808552U/en active Active
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