CN218935072U - Homodromous variable speed transmission coupling - Google Patents
Homodromous variable speed transmission coupling Download PDFInfo
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- CN218935072U CN218935072U CN202320098851.9U CN202320098851U CN218935072U CN 218935072 U CN218935072 U CN 218935072U CN 202320098851 U CN202320098851 U CN 202320098851U CN 218935072 U CN218935072 U CN 218935072U
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- connecting shaft
- shaft body
- fixed ring
- threaded rod
- homodromous
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Abstract
The utility model discloses a homodromous variable-speed transmission coupler, which belongs to the technical field of couplers and comprises a first connecting shaft body, a second connecting shaft body and a fixed ring, wherein the first connecting shaft body and the second connecting shaft body are matched with each other, the fixed ring is arranged between the first connecting shaft body and the second connecting shaft body, two ends of the fixed ring are symmetrically provided with first knobs, the two first knobs are rotationally connected with the fixed ring, two driving chambers are symmetrically formed in the fixed ring, a main bevel gear and two driven bevel gears meshed with the two ends of the main bevel gear are symmetrically formed in each driving chamber, two movable grooves are symmetrically formed at the two ends of the outer wall of the fixed ring, the side wall of each movable groove is rotationally connected with a first threaded rod, each first threaded rod is sleeved with a storage seat in a threaded manner, the two ends of the first connecting shaft body and the two ends of the second connecting shaft body are rotationally connected with second knobs, and each second threaded rod is coaxially connected with each second threaded rod. The same-direction variable speed transmission coupling almost does not have the phenomenon of asynchronous rotation.
Description
Technical Field
The utility model belongs to the technical field of couplings, and particularly relates to a homodromous variable transmission coupling.
Background
The coupler is a device for connecting two shafts or connecting the shafts and a rotary member, and rotating together in the process of transmitting motion and power, and not disengaging under normal conditions. Sometimes also used as a safety device for preventing the connected parts from bearing excessive load, and playing an overload protection role.
In carrying out the present utility model, the inventors have found that at least the following problems exist in this technology: the existing coupler is not tight enough in connection after two shafts to be connected or the shaft body and a rotating member are installed, so that the phenomenon that the rotation of the two shaft bodies is asynchronous can occur.
Therefore, we propose a homodromous variable transmission coupling to solve the above problems.
Disclosure of Invention
The utility model aims to solve the problem that in the prior art, the rotation of two shaft bodies possibly becomes asynchronous due to the fact that the connection of the two shaft bodies to be connected or the shaft bodies and a rotating member is not tight enough in the existing shaft coupling.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the homodromous variable transmission coupler comprises a first connecting shaft body, a second connecting shaft body and a fixed ring, wherein the first connecting shaft body and the second connecting shaft body are matched with each other, the fixed ring is arranged between the first connecting shaft body and the second connecting shaft body, two ends of the fixed ring are symmetrically provided with first knobs, the two first knobs are rotationally connected with the fixed ring, two driving chambers are symmetrically formed in the fixed ring, and each driving chamber is internally provided with a main bevel gear and two auxiliary bevel gears meshed with two ends of the main bevel gear;
two movable grooves are symmetrically formed at two ends of the outer wall of the fixed ring, each movable groove is connected with a first threaded rod in a rotating mode, each first threaded rod is provided with a storage seat in a threaded mode, two ends of the first connecting shaft body and two ends of the second connecting shaft body are connected with second knobs in a rotating mode, each second knob is connected with a second threaded rod in a coaxial mode, and each second threaded rod is provided with a fixed cylinder in a threaded mode.
Preferably, a vertical support shaft is rotatably connected to one side wall of the two driving chambers, which is far away from each other, and the two vertical support shafts are rotatably connected with the first knob; thereby driving the two vertical support shafts to operate by rotating the two first knobs.
Preferably, the main bevel gears in the two driving chambers are respectively and fixedly sleeved on two vertical support shafts, both ends of the vertical support shafts are rotationally connected with the inner wall of the driving chamber, the auxiliary bevel gears at both ends of the main bevel gears are respectively and fixedly sleeved on two horizontal support shafts, and the two horizontal support shafts are respectively and rotationally connected with both side walls of the driving chamber; the operation of the main bevel gear can drive the two auxiliary bevel gears to operate.
Preferably, the object placing seat is provided with jacks penetrating through two ends of the object placing seat along the vertical direction; the side wall of the object placing seat is attached to the inner wall of the movable groove, so that the object placing seat can slide stably along the inner wall of the movable groove.
Preferably, the two sides of the first connecting shaft body, which are close to one side wall of the fixed ring, and the two sides of the second connecting shaft body, which are close to one side wall of the fixed ring, are respectively provided with a matching groove; the second threaded rod matched with the second knob is rotationally connected to the inner wall of the matching groove, and the second threaded rod can be driven to operate by rotating the second knob.
Preferably, the fixed cylinder on each second threaded rod slides along the vertical direction, and the fixed cylinder is matched and spliced with the jack on the object placing seat; through the cooperation of fixed section of thick bamboo and jack, can fix the thing seat of putting for put thing seat and first connector or second connector and be connected as an organic wholely.
In summary, the technical effects and advantages of the present utility model are:
the same-direction variable speed transmission coupler can drive the main bevel gear to run by rotating the first knob, so that the two secondary bevel gears run along with the main bevel gear and drive the two U-shaped object placing seats to be mutually far away and respectively inserted into the two limiting grooves, the first connecting shaft body and the second connecting shaft body can be connected with the fixed ring into a whole, the first connecting shaft body and the second connecting shaft body can synchronously rotate, and the phenomenon of asynchronous rotation hardly occurs;
the same-direction variable-speed transmission coupling can enable the fixed cylinder to be inserted into the insertion hole on the object placing seat by rotating the second knob, so that the object placing seat cannot be separated from the first connecting shaft body or the second connecting shaft body, and the stability of connection between the fixed ring and the first connecting shaft body and the second connecting shaft body is ensured.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic illustration of a first configuration of the present utility model taken along line A-A of FIG. 1;
FIG. 3 is an enlarged view of the structure of FIG. 2B in accordance with the present utility model;
FIG. 4 is an enlarged view of the structure of FIG. 2 at C in accordance with the present utility model;
FIG. 5 is a schematic illustration of a second configuration of the present utility model taken along line A-A of FIG. 1;
FIG. 6 is an enlarged view of the structure shown in FIG. 5D in accordance with the present utility model;
fig. 7 is a schematic view of a structure of a storage seat according to the present utility model.
In the figure: 1. a first coupling body; 2. a second coupling; 3. a fixing ring; 4. a first knob; 5. a driving chamber; 6. a vertical support shaft; 7. a main bevel gear; 8. a transverse support shaft; 9. a slave bevel gear; 10. a movable groove; 11. a first threaded rod; 12. a storage seat; 13. a jack; 14. a second knob; 15. a mating groove; 16. a second threaded rod; 17. and fixing the cylinder.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Referring to fig. 1, a homodromous variable transmission coupling comprises a first coupling body 1, a second coupling body 2 and a fixing ring 3, wherein the first coupling body 1 and the second coupling body 2 are matched with each other, the fixing ring 3 is arranged between the first coupling body 1 and the second coupling body 2, one coupling body is respectively inserted into the first coupling body 1 and the second coupling body 2, and the two coupling bodies are in homodromous variable transmission.
Referring to fig. 2-3, first knobs 4 are symmetrically arranged at two ends of the fixed ring 3, two first knobs 4 are rotationally connected with the fixed ring 3, two driving chambers 5 are symmetrically formed in the fixed ring 3, one side wall of each driving chamber 5, which is far away from each other, is rotationally connected with a vertical support shaft 6, and the two vertical support shafts 6 are rotationally connected with the first knobs 4, so that the two vertical support shafts 6 are driven to operate by rotating the two first knobs 4, a main bevel gear 7 and two secondary bevel gears 9 meshed with two ends of the main bevel gear 7 are respectively arranged in each driving chamber 5, the main bevel gears 7 in the two driving chambers 5 are respectively fixedly sleeved on the two vertical support shafts 6, two ends of each vertical support shaft 6 are rotationally connected with the inner wall of the driving chamber 5, the secondary bevel gears 9 at two ends of the main bevel gear 7 are respectively fixedly sleeved on the two horizontal support shafts 8, and the two horizontal support shafts 8 are respectively rotationally connected with two side walls of the driving chamber 5, and the two secondary bevel gears 9 can be driven to operate by the operation of the main bevel gears 7.
Referring to fig. 4-7, two movable grooves 10 are symmetrically formed at two ends of the outer wall of the fixed ring 3, a first threaded rod 11 is rotatably connected to the side wall of each movable groove 10, a U-shaped object placing seat 12 is sleeved on each first threaded rod 11 in a threaded manner, insertion holes 13 penetrating through two ends of the first threaded rod are drilled in the object placing seat 12 in the vertical direction, the side wall of the object placing seat 12 is attached to the inner wall of the movable groove 10, the object placing seat 12 can smoothly slide along the inner wall of the movable groove 10, and second knobs 14 are rotatably connected to two ends of the first connecting shaft body 1 and two ends of the second connecting shaft body 2;
two sides of a side wall of the first connecting shaft body 1, which is close to the fixed ring 3, and two sides of a side wall of the second connecting shaft body 2, which is close to the fixed ring 3, are respectively provided with a matching groove 15, one matching groove 15 is matched with one second knob 14, each second knob 14 is coaxially connected with a second threaded rod 16, the second threaded rods 16 matched with the second knob 14 are rotationally connected to the inner wall of the matching groove 15, the second threaded rods 16 can be driven to rotate by rotating the second knob 14, each second threaded rod 16 is sleeved with a fixed cylinder 17 in a threaded manner, the fixed cylinder 17 on each second threaded rod 16 slides along the vertical direction, and the fixed cylinder 17 is matched and inserted with an insertion hole 13 on the object placing seat 12; the fixing barrel 17 is matched with the jack 13, so that the object placing seat 12 can be fixed, and the object placing seat 12 is connected with the first connecting shaft body 1 or the second connecting shaft body 2 into a whole.
Working principle: firstly, two shaft bodies to be connected (one shaft body can be replaced by a rotating member) are respectively inserted into a first connecting shaft body 1 and a second connecting shaft body 2, the two shaft bodies are in contact with each other in a fixed ring 3, then, two first rotary knobs 4 are rotated to drive two vertical support shafts 6 and main bevel gears 7 on the two vertical support shafts 6 to operate, slave bevel gears 9 at two ends of each main bevel gear 7 are driven to operate along with the horizontal support shafts 8, so that four first threaded rods 11 can operate synchronously, and four object placing seats 12 are driven to slide towards a direction far away from the center of the fixed ring 3, so that the four object placing seats 12 are respectively inserted into four matching grooves 15;
the four second knobs 14 are respectively rotated to drive the four second threaded rods 16 to operate, so that the four fixed cylinders 17 are respectively inserted into the insertion holes 13 on the four object placing seats 12 to fix the four object placing seats 12, and therefore the first connecting shaft body 1, the fixed ring 3 and the second connecting shaft body 2 are connected into a whole with the fixed ring 3 and cannot be separated, the phenomenon of asynchronous rotation hardly occurs, and meanwhile, the two shaft bodies can be driven in the same direction.
The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.
Claims (6)
1. The homodromous variable-speed transmission coupler comprises a first connecting shaft body (1) and a second connecting shaft body (2) which are matched with each other and a fixed ring (3) arranged between the first connecting shaft body (1) and the second connecting shaft body (2), wherein two ends of the fixed ring (3) are symmetrically provided with first knobs (4), two first knobs (4) are rotationally connected with the fixed ring (3), two driving chambers (5) are symmetrically formed in the fixed ring (3), and a main bevel gear (7) and two secondary bevel gears (9) meshed with two ends of the main bevel gear (7) are arranged in each driving chamber (5);
two movable grooves (10) are symmetrically formed at two ends of the outer wall of the fixed ring (3), each movable groove (10) is connected with a first threaded rod (11) in a rotating mode, each first threaded rod (11) is provided with a storage seat (12) in a threaded mode, two ends of the first connecting shaft body (1) and two ends of the second connecting shaft body (2) are connected with second rotary knobs (14) in a rotating mode, each second rotary knob (14) is connected with a second threaded rod (16) in a coaxial mode, and each second threaded rod (16) is provided with a fixed cylinder (17) in a threaded mode.
2. A homodromous variable transmission coupling according to claim 1, characterized in that a vertical support shaft (6) is rotatably connected to one side wall of the two driving chambers (5) away from each other, and that both vertical support shafts (6) are rotatably connected to the first knob (4).
3. The homodromous variable transmission coupling according to claim 2, wherein main bevel gears (7) in the two driving chambers (5) are respectively and fixedly sleeved on two vertical supporting shafts (6), two ends of each vertical supporting shaft (6) are rotationally connected with the inner wall of the driving chamber (5), secondary bevel gears (9) at two ends of each main bevel gear (7) are respectively and fixedly sleeved on two transverse supporting shafts (8), and the two transverse supporting shafts (8) are respectively and rotationally connected with two side walls of the driving chamber (5).
4. A homodromous variable transmission coupling according to claim 1, characterized in that the storage base (12) is provided with insertion holes (13) penetrating through both ends thereof in the vertical direction.
5. The homodromous variable transmission coupling according to claim 4, wherein the first connecting shaft body (1) is provided with matching grooves (15) on both sides of a side wall close to the fixed ring (3) and both sides of a side wall close to the fixed ring (3) of the second connecting shaft body (2).
6. A homodromous variable transmission coupling according to claim 5, characterized in that the fixed cylinders (17) on each second threaded rod (16) slide along the vertical direction, and the fixed cylinders (17) are in fit connection with the insertion holes (13) on the object placing base (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098851.9U CN218935072U (en) | 2023-02-02 | 2023-02-02 | Homodromous variable speed transmission coupling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320098851.9U CN218935072U (en) | 2023-02-02 | 2023-02-02 | Homodromous variable speed transmission coupling |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218935072U true CN218935072U (en) | 2023-04-28 |
Family
ID=86068397
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320098851.9U Active CN218935072U (en) | 2023-02-02 | 2023-02-02 | Homodromous variable speed transmission coupling |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218935072U (en) |
-
2023
- 2023-02-02 CN CN202320098851.9U patent/CN218935072U/en active Active
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