CN216143137U - Transmission structure with clutch function and transmission device - Google Patents
Transmission structure with clutch function and transmission device Download PDFInfo
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- CN216143137U CN216143137U CN202121645834.XU CN202121645834U CN216143137U CN 216143137 U CN216143137 U CN 216143137U CN 202121645834 U CN202121645834 U CN 202121645834U CN 216143137 U CN216143137 U CN 216143137U
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- 230000002035 prolonged effect Effects 0.000 abstract description 8
- 238000005553 drilling Methods 0.000 description 8
- 230000004048 modification Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
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- 239000010959 steel Substances 0.000 description 2
- 229910001369 Brass Inorganic materials 0.000 description 1
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Abstract
The utility model provides a transmission structure with a clutch function and a transmission device, wherein the transmission structure comprises a locking part, a butterfly spring part, a first gear and a function shaft, a blocking table is arranged on the function shaft, the first gear, the butterfly spring part and the locking part are sequentially sleeved on the function shaft, the locking part can extrude the butterfly spring part to press one side of the first gear to enable the other side of the first gear to be contacted and abutted with the blocking table, the preset resistance of the first gear relative to the butterfly spring part during rotation can be adjusted by operating the locking part, when the external force applied to the first gear is smaller than or equal to the preset resistance, the first gear is in a transmission state and rotates together with the function shaft, when the external force applied to the first gear is larger than the preset resistance, the first gear is in a clutch state and rotates relative to the function shaft, a transmission part enters the clutch state when the torque force is larger than the friction force, the service life of the equipment is prolonged, the structure is simple, and the cost is low.
Description
Technical Field
The utility model relates to the technical field of mechanical structures, in particular to a transmission structure with a clutch function and a transmission device.
Background
With the development of the domestic building demolition industry, engineering design and rapid development of real estate projects, the decoration exquisite is a popular pursuit, a plurality of decoration mechanisms are benefited, and the improvement of the wall drilling technology is very slow. Higher requirements are put forward on the practicability, durability and safety of the wall drilling machine, and the requirements on products are higher and higher. However, the existing wall drilling machine does not have a clutch function during operation, and cannot stop rotating continuously when meeting large resistance in the wall drilling process, so that equipment is often damaged, and the service life of a product is influenced.
Patent document CN204386466U discloses a movable bass wall drilling machine, which includes a drill bit seat for mounting a drill bit, a control device connected to the root of the drill bit seat and driving the drill bit to run, an overhanging movable bracket supporting the control device, and a telescopic movable steel frame for erecting the overhanging movable bracket; pulleys are arranged at the bottom of the telescopic movable steel frame; the root of the drill bit seat close to the control device is sequentially provided with a cooling device and a silencing device, and the cooling device is connected with the control device; the drilling machine also comprises a display connected with the control device and used for displaying the position of the wall corresponding to the operation of the drill bit, but the design does not have a clutch function and is easy to damage equipment.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects in the prior art, the utility model aims to provide a transmission structure with a clutch function and a transmission device.
The utility model provides a transmission structure with a clutch function, which comprises a locking piece, a butterfly spring piece, a first gear and a function shaft, wherein the locking piece is arranged on the transmission shaft;
the function shaft is provided with a blocking table, the first gear, the butterfly-shaped spring part and the locking part are sequentially sleeved on the function shaft, and the locking part can extrude the butterfly-shaped spring part to press one side of the first gear so that the other side of the first gear is in contact with and abuts against the blocking table;
the tightness degree between the butterfly spring part and the first gear can be adjusted by operating the locking part, so that the first gear has preset resistance when rotating relative to the butterfly spring part;
the first gear comprises a transmission state and a clutch state, when the external force applied to the first gear is smaller than or equal to the preset resistance, the first gear is in the transmission state and rotates together with the function shaft, and when the external force applied to the first gear is larger than the preset resistance, the first gear is in the clutch state and rotates relative to the function shaft.
Preferably, the device further comprises a second gear, the second gear is tightly sleeved on the functional shaft, and the blocking table is located between the first gear and the second gear, wherein the first gear is a power input end, and the second gear is a power output end; or the first gear is a power output end, and the second gear is a power input end.
Preferably, a first friction plate and a second friction plate are respectively arranged on two sides of the first gear, wherein the first friction plate is arranged between the first gear and the butterfly spring part, and the second friction plate is arranged between the first gear and the blocking table.
Preferably, the function shaft is provided with a first diameter shaft, the first gear is sleeved on the first diameter shaft, the first diameter shaft is circumferentially provided with an external spline, and the first diameter shaft is sleeved with a first spline gasket and a second spline gasket in a matching manner;
the first spline gasket is arranged between the butterfly spring part and the first friction plate, and the second spline gasket is arranged between the second friction plate and the blocking table.
Preferably, a first protective gasket is arranged between the locking piece and the butterfly spring piece; and/or
And a second protective gasket is arranged between the second spline gasket and the blocking table.
Preferably, still include the second diameter axle, retaining member, butterfly spring part suit are in proper order on the second diameter axle, second diameter axle and first diameter axle body coupling, and wherein, first diameter is greater than the second diameter.
Preferably, a first bearing and a second bearing are respectively sleeved at two ends of the functional shaft, and the locking member and the second gear are both arranged between the first bearing and the second bearing; or
The function axle is equipped with third bearing and/or fourth bearing on the cover, third bearing, fourth bearing all set up between first gear and block the platform.
Preferably, the functional shaft has a loading position thereon, the loading position being configured to enable detachable fitting of one functional part having a specific function and, when directed to a different work environment, the functional part to be manually exchanged for another functional part of a different function and fitted to the loading position to match the work characteristics of the work environment.
Preferably, the number of the butterfly spring elements is one or more.
The utility model provides a transmission device, which comprises one or more transmission structures with clutch functions and one or more power mechanisms;
one power mechanism can drive one transmission structure to rotate or drive a plurality of transmission structures to rotate so as to drive the functional shaft to rotate to realize a specific function.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the utility model, the butterfly spring is matched with the gear, so that the transmission part enters a clutch state when the torsion is greater than the friction force, the service life of equipment is prolonged, the structure is simple, and the cost is low.
2. The torsion force of the transmission structure during the separation can be changed by adjusting the degree of the locking piece for extruding the belleville spring, and the transmission structure is ingenious in design and high in practicability.
3. According to the utility model, the protective gasket, the spline gasket and the friction plate are arranged, so that the gear and the butterfly spring part are protected in a clutch state and a transmission state, and the service life of the equipment is greatly prolonged.
4. The transmission device can be designed into various products, and the characteristics of the products are changed by changing the number of the motors, the structure of the transmission gear and other accessories when the transmission device is used, so that the torsion, the durability and the stability of the products are improved, and the service life of equipment is prolonged.
Drawings
Other features, objects and advantages of the utility model will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:
FIG. 1 is an exploded view of the structure of example 2 of the present invention;
FIG. 2 is a schematic structural view of example 1 of the present invention;
FIG. 3 is an exploded view of the structure of example 1 of the present invention;
fig. 4 is a schematic structural view of a transmission device according to embodiment 1 of the present invention.
The figures show that:
first bearing 1 and second bearing 13
The first protection pad 3 blocks the table 15
Second Belleville spring 5 second diametric shaft 17
First spline shim 6 output shaft 18
Third bearing 19 of first friction plate 7
Second spline washer 10 fourth Belleville spring 22
Second protective pad 11 fifth Belleville spring 23
Detailed Description
The present invention will be described in detail with reference to specific examples. The following examples will assist those skilled in the art in further understanding the utility model, but are not intended to limit the utility model in any way. It should be noted that it would be obvious to those skilled in the art that various changes and modifications can be made without departing from the spirit of the utility model. All falling within the scope of the present invention.
Basic embodiment:
the utility model provides a transmission structure with a clutch function, which comprises a locking piece, a butterfly spring piece, a first gear 8 and a function shaft 12, wherein a blocking table 15 is arranged on the function shaft 12, the first gear 8, the butterfly spring piece and the locking piece are sequentially sleeved on the function shaft 12, the locking piece can extrude the butterfly spring piece to press one side of the first gear 8 so that the other side of the first gear 8 is in contact and abutted with the blocking table 15, the first gear 8 comprises a transmission state and a clutch state, the tightness degree between the butterfly spring piece and the first gear 8 can be adjusted by operating the locking piece to further change the friction force between the first gear 8 and parts connected with two sides, the first gear 8 comprises a transmission state and a clutch state, the first gear 8 has preset resistance when rotating relative to the butterfly spring piece, and the preset resistance can be adjusted manually by operating the locking piece under different operation environments so as to meet the operation requirements.
Further, when the external force applied to the first gear 8 is smaller than or equal to the preset resistance, the first gear 8 is in a transmission state and rotates together with the functional shaft 12, and when the external force applied to the first gear 8 is larger than the preset resistance, the first gear 8 is in a clutch state and the first gear 8 rotates relative to the functional shaft 12.
In practical application, the transmission structure of the present invention can be applied to various scenarios, for example, the functional shaft 12 is used as a motor shaft, and the first gear 8 is used as a transmission gear for driving other components to move, so that a dual-function design of clutch and transmission can be realized on the motor shaft, the motor can be effectively protected, and the service life of the motor can be prolonged.
Further, the functional shaft 12 of the present invention can be used alone as the output shaft 18, in addition to the design for the motor shaft, and the loading features achieve the functional attributes of the output end of the device.
Further, the function shaft 12 has a loading position thereon configured to enable detachable fitting of one function part having a specific function and to enable manual exchange of the function part for another function part having a different function when directed to a different working environment and to be fitted to the loading position to thereby match the working characteristics of the working environment. For example, the functional shaft 12 may be designed as an output shaft 18 of a drilling machine or a wall cutter, a loading end 24 capable of mounting a drill bit or a cutter is provided at the end of the functional shaft 12, and the loading end 24 may be a threaded structure or other detachable connecting structure, so that the drill bit or the cutter and other tools can be detached and replaced as required at any time.
The functional shaft 12 of the present invention may be provided not only in the structure of an output shaft but also in the structure as an intermediate gear transmission, achieving the function of an intermediate transmission.
In practical application, the number of the butterfly spring elements can be set to be one or multiple, and the butterfly spring elements are flexibly set according to practical products so as to meet the requirements of the practical products.
When the friction plate is used specifically, in order to prolong the service life of the equipment, a first friction plate 7 and a second friction plate 9 are respectively arranged on two sides of the first gear 8, wherein the first friction plate 7 is arranged between the first gear 8 and the butterfly spring part, the second friction plate 9 is arranged between the first gear 8 and the blocking table 15, on one hand, friction force can be increased through the two friction plates, on the other hand, the friction plates can be frequently replaced as wearing parts, damage to other parts is reduced, and the service life of the equipment is prolonged.
The utility model also provides a transmission device, which comprises one or more transmission structures with clutch functions and one or more power mechanisms, wherein one power mechanism can drive one transmission structure to rotate or drive a plurality of transmission structures to rotate.
In practical application, the number of the transmission structures with the clutch function and the number of the power mechanisms in the transmission device can be flexibly set, for example, two transmission structures of one power mechanism are provided, and for example, the number of the power mechanisms and the number of the transmission structures are the same and the power mechanisms and the transmission structures synchronously work during working, so that more stable and larger torque output is realized.
The transmission device can be designed into various products, the power mechanism preferably selects a motor, such as a wall cutter, a drilling machine or a low-power product of other electric tools, and when the transmission device is used, the current situation that a single motor drives a single-row gear structure in an original tool is changed by changing the number of the motors, the transmission gear structure and other accessories, so that the torsion, the durability and the stability of the product are improved, and the service life of the equipment is prolonged.
To further illustrate the transmission structure of the present invention, the following description will be made with reference to specific embodiments.
Example 1:
the embodiment provides a transmission structure with a clutch function, as shown in fig. 2 and fig. 3, the transmission structure comprises a locking member, a butterfly spring member, a first gear 8, a second gear 14 and a function shaft 12, the function shaft 12 is sequentially sleeved with the second gear 14, the first gear 8, the butterfly spring member and the locking member, the function shaft 12 is provided with a blocking platform 15, and the blocking platform 15 is located between the first gear 8 and the second gear 14, wherein the locking member can extrude the butterfly spring member and press one side of the second gear 14 to enable the other side of the second gear 14 to be abutted against the blocking platform 15, the pressing force between the butterfly spring member and the second gear 14 can be adjusted by operating the locking member to further adjust the friction force between the butterfly spring member and the second gear 14, the second gear 14 comprises a transmission state and a clutch state, when the transmission state is achieved, the function shaft 12 and the second gear 14 rotate simultaneously, when in the clutched state, the second gear 14 rotates relative to the functional shaft 12.
Further, the second gear 14 and the function shaft 12 are matched through a flat key and cannot rotate relatively, the blocking table 15 and the function shaft 12 are integrally formed, and the function shaft 12 is provided with a first diameter shaft, wherein the diameter of the blocking table 15 is larger than that of the first diameter shaft 16.
Specifically, the first diameter shaft 16 is circumferentially provided with external splines, that is, the first diameter shaft 16 is circumferentially and uniformly provided with a plurality of tooth grooves parallel to the axial direction, the first diameter shaft 16 is sleeved with a first spline gasket 6 and a second spline gasket 10 in a matching manner, the first spline gasket 6 is arranged between a butterfly spring part and a first friction plate 7, the second spline gasket 10 is arranged between a second friction plate 9 and a blocking table 15, the first spline gasket 6 and the second spline gasket 10 are sleeved on the first diameter shaft 16 in a matching manner and always rotate with the first diameter shaft 16, a first protection gasket 3 is arranged between the locking part and the butterfly spring part, and a second protection gasket 11 is arranged between the second spline gasket 10 and the blocking table 15, so that in actual use, friction force is increased by matching the protection gaskets with the spline gaskets and the friction plates, and the function of protecting the gear and the butterfly spring part in the clutch state and the transmission state is achieved, and the service life of the equipment is greatly prolonged.
Specifically, the both ends of function axle 12 are overlapped respectively and are equipped with first bearing 1, second bearing 13, retaining member, second gear 14 all set up between first bearing 1 and second bearing 13, and first bearing 1, second bearing 13 are used for providing the support when rotating for function axle 12.
The diameter of the first gear 8 is larger than that of the second gear 14, and the first gear 8 and the second gear 14 are both helical gears, and the first gear 8 is a power input end and the second gear 14 is a power output end, or the first gear 8 and the second gear 14 are power input ends.
The butterfly-shaped spring parts are two in the embodiment, the butterfly-shaped spring parts are respectively a first butterfly spring 4 and a second butterfly spring 5, and a first friction plate 7 and a second friction plate 9 are made of brass.
In this embodiment, still include second diametric axis 17, retaining member, butterfly spring part suit are in proper order on second diametric axis 17, and second diametric axis 17 and first diametric axis 16 body coupling, and wherein, first diameter is greater than the second diameter.
The embodiment provides a transmission device, as shown in fig. 4, a first gear 8 is a power input end, a second gear 14 is a power output end, the power mechanism adopts a motor, the number of the motors is 2, the number of the transmission structures with the clutch function is 2, two motors synchronously rotate to drive two transmission structures to synchronously rotate to drive an output shaft 18 to rotate, the motors can drive the first gear 8 to drive the second gear 14 to rotate when rotating, the second gears 14 in the two transmission structures simultaneously drive the output shaft 18 to rotate to realize transmission, and the specific functions of the equipment are realized.
In practical applications, since the torque forces transmitted to the 2 second gears 14 when the output shaft 18 rotates are not necessarily exactly the same, there are cases where two transmission structures are simultaneously engaged and there are cases where one is transmitting the other.
The transmission device with the double motors matched with the double transmission structure greatly increases the torsion and the stability of the rotation of the output shaft 18, improves the torsion, the durability and the stability of the product, and prolongs the service life of equipment.
Example 2:
this embodiment is a modification of embodiment 1.
The embodiment provides a transmission structure with a clutch function, wherein the second gear 14 is omitted in the embodiment, the transmission structure is applied to an output shaft of a device, as shown in fig. 1, before use, according to the power of a motor, the pressure between the butterfly spring part and the first gear 8 can be adjusted by operating the locking part, so as to adjust the preset resistance when the first gear 8 rotates, and it is ensured that when the torque force of the output shaft exceeds the preset resistance when the device works, the transmission state can be timely switched to the clutch state, so that the first gear 8 rotates relative to the functional shaft 12, and the motor is protected.
The retaining member in this embodiment adopts lock nut 2, installs on functional shaft 12 through screw-thread fit, and the butterfly spring part adopts belleville spring and includes three, is third belleville spring 21, fourth belleville spring 22, fifth belleville spring 23 respectively and all sets up between lock nut 2 and first gear 8.
The cover is equipped with third bearing 19 and/or fourth bearing 20 on the function axle 12 in this embodiment, third bearing 19, fourth bearing 20 all set up first gear 8 and block between the platform 15, and third bearing 19, fourth bearing 20 all are used for the installation of output shaft, provide a stable support environment for the work of output shaft.
The end of the functional shaft 12 is provided with a loading end 24, and the loading end 24 is provided with an external thread for mounting functional components, such as drills, wall cutters, etc.
The working principle of the utility model is as follows:
before using, thereby through the operation retaining member can adjust the frictional force that butterfly spring part received to the extrusion force of first gear 8, when the frictional force that driven torsion is less than or equal to first gear 8 both sides when rotating, first gear 8 can be driven by function axle 12 and rotate or first gear 8 can drive function axle 12 and rotate, and then get into transmission state, when driven torsion is greater than the frictional force that first gear 8 both sides received when rotating, take place relative rotation between first gear 8 and the function axle 12, and then clutching state.
In the description of the present application, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience in describing the present application and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present application.
The foregoing description of specific embodiments of the present invention has been presented. It is to be understood that the present invention is not limited to the specific embodiments described above, and that various changes or modifications may be made by one skilled in the art within the scope of the appended claims without departing from the spirit of the utility model. The embodiments and features of the embodiments of the present application may be combined with each other arbitrarily without conflict.
Claims (10)
1. A transmission structure with a clutch function is characterized by comprising a locking piece, a butterfly spring piece, a first gear (8) and a function shaft (12);
a blocking table (15) is arranged on the function shaft (12), the first gear (8), the butterfly-shaped spring part and the locking part are sequentially sleeved on the function shaft (12), and the locking part can extrude the butterfly-shaped spring part to press one side of the first gear (8) so that the other side of the first gear (8) is in contact with and abuts against the blocking table (15);
the tightness degree between the butterfly spring part and the first gear (8) can be adjusted through operating the locking part, the first gear (8) comprises a transmission state and a clutch state, the first gear (8) rotates together with the function shaft (12) when the first gear (8) is in the transmission state, and the first gear (8) rotates relative to the function shaft (12) when the first gear (8) is in the clutch state.
2. Transmission with clutching function according to claim 1, characterized in that it further comprises a second gear (14), said second gear (14) being tightly fitted over said function shaft (12) and said blocking table (15) being located between the first gear (8) and the second gear (14), wherein:
the first gear (8) is a power input end, and the second gear (14) is a power output end; or
The first gear (8) is a power output end, and the second gear (14) is a power input end.
3. The transmission structure with clutch function according to claim 1, characterized in that, a first friction plate (7) and a second friction plate (9) are respectively arranged on two sides of the first gear (8), wherein:
the first friction plate (7) is arranged between the first gear (8) and the butterfly spring part, and the second friction plate (9) is arranged between the first gear (8) and the blocking table (15).
4. The transmission structure with the clutch function according to claim 3, characterized in that the function shaft (12) is provided with a first diameter shaft (16), the first gear (8) is sleeved on the first diameter shaft (16), the first diameter shaft (16) is provided with an external spline along the circumferential direction, and the first diameter shaft (16) is sleeved with a first spline gasket (6) and a second spline gasket (10) in a matching manner;
the first spline gasket (6) is arranged between the butterfly spring part and the first friction plate (7), and the second spline gasket (10) is arranged between the second friction plate (9) and the blocking table (15).
5. Transmission structure with clutching function according to claim 4, characterized in that a first protective washer (3) is arranged between the locking element and the butterfly spring element; and/or
And a second protective gasket (11) is arranged between the second spline gasket (10) and the blocking table (15).
6. The transmission structure with clutch function according to claim 4, characterized by further comprising a second diameter shaft (17), wherein the locking member and the butterfly spring member are sequentially sleeved on the second diameter shaft (17), the second diameter shaft (17) is integrally connected with the first diameter shaft (16), and the first diameter is larger than the second diameter.
7. The transmission structure with the clutch function according to claim 1, wherein a first bearing (1) and a second bearing (13) are respectively sleeved at two ends of the functional shaft (12), and the locking member and the second gear (14) are both arranged between the first bearing (1) and the second bearing (13); or
The function shaft (12) is sleeved with a third bearing (19) and/or a fourth bearing (20), and the third bearing (19) and the fourth bearing (20) are arranged between the first gear (8) and the blocking table (15).
8. The transmission structure with clutch function according to claim 2, characterized in that the function shaft (12) has a loading position thereon, which is configured to be able to detachably fit one function part having a specific function and to be able to be manually exchanged for another function part having a different function when aiming at different working environments and to be fitted to the loading position to match the working characteristics of the working environments.
9. The transmission structure with clutch function according to claim 1, wherein the number of butterfly spring elements is one or more.
10. A transmission device, characterized by comprising one or more transmission structures with clutch function as claimed in any one of claims 1 to 9 and one or more power mechanisms;
one power mechanism can drive one transmission structure to rotate or drive a plurality of transmission structures to rotate so as to drive the functional shaft (12) to rotate to realize a specific function.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645834.XU CN216143137U (en) | 2021-07-19 | 2021-07-19 | Transmission structure with clutch function and transmission device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121645834.XU CN216143137U (en) | 2021-07-19 | 2021-07-19 | Transmission structure with clutch function and transmission device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216143137U true CN216143137U (en) | 2022-03-29 |
Family
ID=80802393
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121645834.XU Active CN216143137U (en) | 2021-07-19 | 2021-07-19 | Transmission structure with clutch function and transmission device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216143137U (en) |
-
2021
- 2021-07-19 CN CN202121645834.XU patent/CN216143137U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20240618 Address after: No. 52, Group 9, Mofan Village, Baochang Town, Haimen City, Nantong City, Jiangsu Province, 226100 Patentee after: Jiang Jianwei Country or region after: China Address before: 226100 No. 45-1, group 33, Anjiao village, Haimen street, Haimen City, Nantong City, Jiangsu Province Patentee before: Ding Xiaoling Country or region before: China |
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| TR01 | Transfer of patent right |
Effective date of registration: 20240712 Address after: 201800, Room J187, Building 2, No. 988 Nanxiang Sedatang Road, Jiading District, Shanghai Patentee after: Shanghai Gexiong Electromechanical Equipment Co.,Ltd. Country or region after: China Address before: No. 52, Group 9, Mofan Village, Baochang Town, Haimen City, Nantong City, Jiangsu Province, 226100 Patentee before: Jiang Jianwei Country or region before: China |