Pin coupling with transmission sleeve
By setting repulsive magnets and connecting elastic pins to the transmission sleeve on the coupling disc, the problem of elastic pin distortion caused by excessive spacing between coupling discs is solved, thereby improving the stability and efficiency of power transmission.
Patent Information
- Application Number
- CN202422812512.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-19
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-11-19
AI Technical Summary
In existing pin couplings, when the distance between the two coupling discs is too large, the degree of twisting of the elastic pins increases dramatically, affecting the power transmission efficiency.
Repulsive magnets are placed on the coupling disc, and the first and second elastic pins are connected by a transmission sleeve to prevent them from shifting. The power transmission is maintained by the thrust of the magnets.
It effectively prevents the elastic pin from shifting, maintains the stability of power transmission, and avoids transmission failure caused by excessive spacing.
Smart Images
Figure CN223609149U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the coupling technical field, concretely relates to a pin coupling with transmission sleeve. BACKGROUND
[0002] The pin coupling is used to connect the output shaft of one device with the input shaft of another device, so as to realize power transmission.
[0003] In the related art, the pin coupling generally uses a complete elastic pin to pass through the through holes of two coupling discs, so as to realize power transmission; however, if the distance between the two coupling discs is large, the complete elastic pin will be sharply twisted, thereby affecting transmission.
[0004] Therefore, how to avoid the elastic pin from being sharply twisted due to the large distance between the two coupling discs is a technical problem to be solved by the person skilled in the art.
[0005] It should be noted that the above information disclosed in the background section is only used to understand the background of the present application, and therefore, the above description is not considered as the information of the prior art. CONTENT OF THE UTILITY MODEL
[0006] The embodiments of the present disclosure at least provide a pin coupling with transmission sleeve.
[0007] In the first aspect, the embodiments of the present disclosure provide a pin coupling with transmission sleeve, which comprises: a first coupling disc, a side wall of an output end of the first coupling disc is provided with a plurality of first limiting grooves, and a first elastic pin is arranged in each first limiting groove; a second coupling disc, a side wall of an input end of the second coupling disc is provided with a plurality of second limiting grooves, and a second elastic pin is arranged in each second limiting groove; and a transmission sleeve, two ends of the transmission sleeve are respectively covered with the first elastic pin and the second elastic pin; wherein the opposite surfaces of the first elastic pin and the second elastic pin are respectively provided with repelling first magnets and second magnets.
[0008] In an optional embodiment, the inner wall of the transmission sleeve is provided with a plurality of third limiting grooves; the two ends of each third limiting groove are respectively arranged in position with the first limiting grooves and the second limiting grooves to form an elastic pin mounting position.
[0009] In an optional embodiment, the two end faces of the transmission sleeve are respectively connected with limiting rings to block the elastic pin mounting position.
[0010] In an alternative embodiment, the output end of the first coupling disc is provided with a first annular boss, and the first limiting slot is formed in the first annular boss; the input end of the second coupling disc is provided with a second annular boss, and the second limiting slot is formed in the second annular boss; and the first annular boss and the second annular boss are left with an adaptive gap.
[0011] In an alternative embodiment, the number of the first limiting slots is the same as that of the third limiting slots; and the number of the second limiting slots is the same as that of the third limiting slots.
[0012] In an alternative embodiment, the diameter of the first annular boss and the diameter of the second annular boss are the same as the inner diameter of the transmission sleeve.
[0013] In an alternative embodiment, a connecting through hole is formed in the axial center of the first coupling disc and the second coupling disc, and a key groove is formed in the inner wall of the connecting through hole.
[0014] In an alternative embodiment, a locking hole is formed in the side wall of the first coupling disc and the second coupling disc; and the locking hole is in communication with the connecting through hole.
[0015] The beneficial effects of the present utility model are as follows: the column pin coupling device with a transmission sleeve is provided with a first elastic column pin and a second elastic column pin on the first coupling disc and the second coupling disc respectively, and the power transmission between the first elastic column pin and the second elastic column pin is realized through the transmission sleeve; in order to avoid the displacement of the first elastic column pin and the second elastic column pin, repelling magnets are arranged on the opposite surfaces of the first elastic column pin and the second elastic column pin, so as to exert a pushing force when the elastic column pin is displaced, and prevent most of the elastic column pins from extending into the gap and causing the power transmission to fail.
[0016] Other features and advantages of the present utility model will be set forth in the subsequent description, and become apparent from the description, or be learned through implementation of the present utility model. The purposes and other advantages of the present utility model are realized and obtained through the structures specifically indicated in the description, claims and drawings.
[0017] In order to make the above purposes, features and advantages of the present utility model more obvious and easy to understand, the preferred embodiments are described in detail below, and the drawings are used for reference. BRIEF DESCRIPTION OF DRAWINGS
[0018] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the following will briefly introduce the drawings needed to be used in the specific embodiments or the prior art description, obviously, the drawings described in the following are some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.
[0019] Figure 1 A structure schematic view of a first coupling disc and a second coupling disc is provided for the embodiment of the present application.
[0020] Figure 2 A sectional structure schematic view of a pin coupling with a transmission sleeve is provided for the embodiment of the present application.
[0021] Figure 3 A structure schematic view of an elastic pin mounting position is provided for the embodiment of the present application.
[0022] Figure 4 A structure schematic view of a connecting through hole is provided for the embodiment of the present application.
[0023] In the drawings:
[0024] The first coupling disc 1, the output end 11, the first limiting groove 12, the first elastic pin 13, the first annular boss 14, the adaptive gap 15, the connecting through hole 16, the key groove 17, and the locking hole 18.
[0025] The second coupling disc 2, the input end 21, the second limiting groove 22, the second elastic pin 23, and the second annular boss 24.
[0026] The transmission sleeve 3, the third limiting groove 31, the elastic pin mounting position 32, and the limiting ring 33.
[0027] The first magnet 41 and the second magnet 42. DETAILED DESCRIPTION
[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the present application will be described clearly and completely in combination with the drawings, obviously, the described embodiments are some embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.
[0029] It should be noted that like numerals and letters refer to like items throughout the several views, and once an item is defined in one view, it should not require further defining and explaining in subsequent views. Moreover, in the drawings, the thickness of components can be exaggerated or reduced for the sake of effective presentation of technical contents.
[0030] Some embodiments of the present application will be described in detail with reference to the drawings. The following embodiments and features of the embodiments can be combined with each other in the case of no conflict.
[0031] As shown in Figure 1 , Figure 2 , at least one embodiment provides a pin coupling with a transmission sleeve, which comprises: a first coupling disc 1, a side wall of an output end 11 of which is provided with a plurality of first limiting grooves 12, and a first elastic pin 13 is arranged in each first limiting groove 12; a second coupling disc 2, a side wall of an input end 21 of which is provided with a plurality of second limiting grooves 22, and a second elastic pin 23 is arranged in each second limiting groove 22; and a transmission sleeve 3, both ends of which cover the first elastic pin 13 and the second elastic pin 23 respectively; wherein, a first magnet 41 and a second magnet 42 repelling each other are arranged on opposite surfaces of the first elastic pin 13 and the second elastic pin 23 respectively.
[0032] In the present embodiment, when the distance between the first coupling disc 1 and the second coupling disc 2 is large, segmented elastic pins are used, that is, the first elastic pin 13 and the second elastic pin 23 are arranged on the first coupling disc 1 and the second coupling disc 2 respectively, and the power transmission between the first elastic pin 13 and the second elastic pin 23 is realized through the transmission sleeve 3; in order to avoid displacement of the first elastic pin 13 and the second elastic pin 23, repelling magnets are arranged on opposite surfaces of the first elastic pin 13 and the second elastic pin 23 to exert a pushing force when the elastic pins are displaced, so as to prevent most of the elastic pins from extending into the gap and causing power transmission failure.
[0033] As shown in Figure 3 , in some embodiments, a plurality of third limiting grooves 31 are arranged on the inner wall of the transmission sleeve 3; the two ends of each third limiting groove 31 are arranged in position with the first limiting groove 12 and the second limiting groove 22 respectively to form an elastic pin mounting position 32.
[0034] In the present embodiment, when the first coupling disc 1 rotates, the first elastic pin 13 is driven to rotate by the first limiting groove 12, thereby driving the transmission sleeve 3 to rotate; the rotation of the transmission sleeve 3 drives the second elastic pin 23 to rotate, thereby driving the second coupling disc 2 to rotate.
[0035] As shown in Figure 2 , in some embodiments, a limiting ring 33 is connected to each end face of the transmission sleeve 3 to plug the elastic pin mounting position 32.
[0036] In the embodiment, the first elastic pin 13 and the second elastic pin 23 are respectively inserted into the corresponding elastic pin installation position 32, and then connected with the transmission sleeve 3 through the limiting ring 33 to lock the limiting ring 33 in the elastic pin installation position 32.
[0037] In some embodiments, the output end 11 of the first coupling disc 1 is provided with a first annular boss 14, and the first limiting slot 12 is arranged on the first annular boss 14; the input end 21 of the second coupling disc 2 is provided with a second annular boss 24, and the second limiting slot 22 is arranged on the second annular boss 24; and the first annular boss 14 and the second annular boss 24 are left with an adaptive gap 15.
[0038] In the embodiment, the length of the first elastic pin 13 and the length of the second elastic pin 23 are greater than 1.5 times the width of the adaptive gap 15.
[0039] In some embodiments, the number of the first limiting slot 12 is the same as the number of the third limiting slot 31; and the number of the second limiting slot 22 is the same as the number of the third limiting slot 31.
[0040] In some embodiments, the diameter of the first annular boss 14 and the diameter of the second annular boss 24 are the same as the inner diameter of the transmission sleeve 3.
[0041] In some embodiments, the shaft center of the first coupling disc 1 and the shaft center of the second coupling disc 2 are both provided with a connecting through hole 16, and the inner wall of the connecting through hole 16 is provided with a key groove 17.
[0042] As shown in the figure, in the embodiment, the connecting through hole 16 is used for inserting the input shaft or the output shaft; the input shaft or the output shaft is provided with a flat key, and the transmission is realized through the cooperation of the flat key and the key groove 17. Figure 4
[0043] In some embodiments, the side wall of the first coupling disc 1 and the side wall of the second coupling disc 2 are both provided with a locking hole 18; and the locking hole 18 is communicated with the connecting through hole 16.
[0044] In the embodiment, a nut is screwed in the locking hole 18, and the axial movement of the first coupling disc 1 and the second coupling disc 2 is prevented through locking.
[0045] In summary, the pin coupling with the transmission sleeve is provided with the first elastic pin 13 and the second elastic pin 23 on the first coupling disc 1 and the second coupling disc 2 respectively, and the power transmission between the first elastic pin 13 and the second elastic pin 23 is realized through the transmission sleeve 3; in order to avoid the displacement of the first elastic pin 13 and the second elastic pin 23, repelling magnets are arranged on the opposite surfaces of the first elastic pin 13 and the second elastic pin 23 to apply a pushing force when the elastic pin is displaced, preventing most of the elastic pins from extending into the gap and causing the power transmission to fail.
[0046] In this document, when a first component is referred to as being "on" a second component, it can be directly on the second component or intervening components can be present. In contrast, when a component is referred to as being "directly on" another component, there are no intervening components present. Other words used to describe the relationship between elements should be interpreted in a like fashion (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0047] In this document, when a first component is referred to as being "on" a second component, it can be directly on the second component or intervening components can be present. In contrast, when a component is referred to as being "directly on" another component, there are no intervening components present. Other words used to describe the relationship between elements should be interpreted in a like fashion (e.g., "between" versus "directly between," "adjacent" versus "directly adjacent," etc.). As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.
[0048] As used herein, such as in the phrase "at least one of," the conjunctive term "and" is used in the sense of the disjunctive term "or." For example, the phrase "a, b, and c at least one of" should be interpreted to include only a, only b, only c, both a and b, both a and c, both b and c, or all of a, b, and c.
[0049] The terminology used herein is for the purpose of describing particular example configurations only and is not intended to be limiting. As used herein, the singular articles "a," "an," and "the" can be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order
[0050] As used herein, the phrases “in an embodiment,” “according to an embodiment,” “in some embodiments,” and the like generally mean the particular feature, structure, or characteristic following the phrase can be included in at least one embodiment of the present disclosure. Thus, features, structures, or characteristics can be included in more than one embodiment of the present disclosure, and the phrases “in an embodiment” and the like cannot only specify a single embodiment. As used herein, the terms “example,” “exemplary,” and the like are used as example, instance, or illustration. Any implementation, aspect, or design described herein as “example” or “exemplary” is not necessarily to be construed as preferred or advantageous over other implementations, aspects, or designs.
[0051] In the description of the embodiments of the present application, unless specifically defined and limited otherwise, the terms “mounting”, “connected”, “connecting” should be interpreted broadly, for example, can be fixed connection, can also be detachable connection, or integrally connected; can be mechanical connection, can also be electrical connection; can be directly connected, can also be indirectly connected through an intermediate medium, can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0052] In the description of the present application, it should be explained that the terms “center”, “upper”, “lower”, “left”, “right”, “vertical”, “horizontal”, “inner”, “outer” and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application. In addition, terms such as “first”, “second” and other numerical terms are used herein without implying a sequence or order, unless the context clearly indicates otherwise. Therefore, the first element, component, region, layer or section discussed above can be referred to as the second element, component, region, layer or section without departing from the teachings of the example embodiments.
[0053] Spatially relative terms, such as “inner”, “outer”, “below”, “below”, “lower”, “above”, “upper” and the like, can be used herein to facilitate description of the relationship of one element or feature to another element or feature as illustrated in the drawings. In addition to the orientation depicted in the drawings, the spatially relative terms can be intended to cover different orientations of the device in use or operation. For example, if the device in the drawing is turned over, the element described as “below” or “under” the other element or feature will be oriented “above” the other element or feature. Therefore, the example term “below” can cover the above and below orientations. The device can be oriented in other ways (rotated 90 degrees or in other orientations), and the spatially relative descriptors used herein are interpreted accordingly.
[0054] In the above discussion, unless otherwise stated, the terms "about", "approximately", "substantially" and the like, when used in describing a numerical value, mean a variation of + / - 10% of the value.
[0055] With the above ideal embodiments according to the present application as the inspiration, through the above description, the relevant staff can definitely make various changes and modifications without deviating from the technical idea of the present application. The technical scope of the present application is not limited to the content in the specification, and must be determined according to the scope of claims.
Claims
1. A pin coupling with a transmission sleeve, characterized in that The utility model relates to a pin coupling with transmission sleeve, which comprises a first coupling disc (1), a second coupling disc (2) and a transmission sleeve (3). The side wall of the output end (11) of the first coupling disc (1) is provided with a plurality of first limiting grooves (12), and the first limiting grooves (12) are provided with first elastic pins (13); The side wall of the input end (21) of the second coupling disc (2) is provided with a plurality of second limiting grooves (22), and the second limiting grooves (22) are provided with second elastic pins (23); and The two ends of the transmission sleeve (3) cover the first elastic pins (13) and the second elastic pins (23) respectively. The opposite surfaces of the first elastic pins (13) and the second elastic pins (23) are respectively provided with repelling first magnets (41) and second magnets (42).
2. The pin coupling with transmission sleeve according to claim 1, wherein the inner wall of the transmission sleeve (3) is provided with a plurality of third limiting grooves (31); the two ends of the third limiting grooves (31) are respectively provided with the first limiting grooves (12) and the second limiting grooves (22) to form elastic pin mounting positions (32).
3. The pin coupling with transmission sleeve according to claim 2, wherein the two end faces of the transmission sleeve (3) are connected with limiting rings (33) to block the elastic pin mounting positions (32).
4. The pin coupling with transmission sleeve according to claim 3, wherein the output end (11) of the first coupling disc (1) is provided with a first annular boss (14), and the first limiting grooves (12) are formed on the first annular boss (14); the input end (21) of the second coupling disc (2) is provided with a second annular boss (24), and the second limiting grooves (22) are formed on the second annular boss (24); an adaptive gap (15) is left between the first annular boss (14) and the second annular boss (24).
5. The pin coupling with transmission sleeve according to claim 4, wherein the number of the first limiting grooves (12) is the same as the number of the third limiting grooves (31); the number of the second limiting grooves (22) is the same as the number of the third limiting grooves (31).
6. The pin coupling with transmission sleeve according to claim 5, wherein the diameter of the first annular boss (14) and the diameter of the second annular boss (24) are the same as the inner diameter of the transmission sleeve (3).
7. The pin coupling with transmission sleeve according to claim 6, wherein the shaft centers of the first coupling disc (1) and the second coupling disc (2) are provided with connecting through holes (16), and the inner walls of the connecting through holes (16) are provided with key grooves (17).
8. The pin coupling with transmission sleeve according to claim 7, wherein the side walls of the first coupling disc (1) and the second coupling disc (2) are provided with locking holes (18); the locking holes (18) are communicated with the connecting through holes (16).