CN210715827U - Driving device and fastening and connecting mechanism thereof - Google Patents

Abstract

The utility model belongs to the technical field of the structure fastening connection, especially, relate to a drive arrangement and fastening connection mechanism thereof. The fastening connection mechanism comprises a base and a plurality of fasteners, the base is fixedly connected with the second connecting piece and can be accommodated in the shell in a matching manner, and a plurality of base connection holes which correspond to the shell connection holes one to one are formed in the side part of the base; the first connecting end of each fastener penetrates through the shell connecting hole and is connected with the base connecting hole in an interference fit mode, and the second connecting end of each fastener is connected into the corresponding shell connecting hole. When connecting first connecting piece and second connecting piece, earlier with base and second connecting piece fixed connection, accept the base again to the shell of first connecting piece in, at last with the first connecting end of fastener impress in the base connecting hole can, through the mode of directly impressing alright realization first connecting piece and the quick fastening connection of second connecting piece, the operation of impressing need not with the help of other instruments, easy operation is high-efficient, and is little to the requirement of operation space.

Description

Driving device and fastening and connecting mechanism thereof

Technical Field

The utility model belongs to the technical field of the structure fastening connection, especially, relate to a drive arrangement and fastening connection mechanism thereof.

Background

In the field of mechanical transmissions, it is often necessary to securely connect two or more structures, for example, in a planetary drive system, it is often necessary to securely connect a drive member to a gearbox. In the prior art, the structure with the connecting hole is fastened and connected by generally adopting a bolt and nut fastening or screw locking mode, the common connection mode can meet common use occasions, but the operation needs to be carried out by means of tools such as a screwdriver during connection, the connection process has high requirements on operation space, the connection operation is relatively complex, the connection efficiency is low, and certain limitation is realized.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a drive arrangement and fastening connection mechanism thereof aims at solving the technical problem that the complex operation is connected to the mode of adopting bolt and nut fastening or screw locking among the prior art and needs great operating space.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a fastening connection mechanism, is applicable to fastening connection first connecting piece and second connecting piece, and first connecting piece includes the shell, has seted up the shell connecting hole on the lateral wall of shell, includes:

the base is fixedly connected with the second connecting piece and can be accommodated in the shell in a matching manner, and a plurality of base connecting holes which correspond to the shell connecting holes one to one are formed in the side part of the base;

and each fastener is provided with a first connecting end and a second connecting end which are arranged oppositely, the first connecting end penetrates through the shell connecting hole and is connected with the base connecting hole in an interference fit manner, and the second connecting end is connected in the shell connecting hole.

Furthermore, the fastener includes pole portion, and first link and second link are the both ends that the pole portion is relative respectively, and protruding the stretching is provided with a plurality of butt archs on the outer wall of first link, and each butt protruding homoenergetic adaptation is supported tightly in the base connecting hole.

Furthermore, the abutting protrusions are annular protrusions annularly arranged on the rod part, and the annular protrusions are sequentially arranged on the outer wall surface of the first connecting end along the length direction of the rod part.

Furthermore, the annular protrusion is an annular convex rib, and the edge angle of the annular convex rib is an acute angle, a right angle or an obtuse angle.

Further, the fastener still includes the head that is connected to the second link end and sets up with the pole portion is perpendicular, and the head is used for with the marginal adaptation butt of the drill way of shell connecting hole towards the bottom surface of pole portion.

Furthermore, the base connecting hole is a blind hole and/or a through hole.

Furthermore, a plurality of base connecting holes are uniformly wound on the side part of the base.

Furthermore, the fastening connection mechanism also comprises a plurality of connecting pieces, and the base is provided with an upper surface and a lower surface which are oppositely arranged; the base is also provided with a plurality of connecting through holes penetrating through the upper surface and the lower surface, one end of each connecting piece penetrates through the corresponding connecting through hole and is connected with the second connecting piece, and the other end of each connecting piece is contained in the corresponding connecting through hole.

Furthermore, each connecting through hole comprises a large-aperture section and a small-aperture section, a supporting boss is formed at the transition position of the large-aperture section to the small-aperture section, and the end part of each connecting piece is respectively contained in the corresponding large-aperture section and is abutted against the corresponding supporting boss.

The utility model has the advantages that: the utility model discloses a fastening connection mechanism, it is when being used for fastening connection first connecting piece and second connecting piece, earlier with base and second connecting piece fixed connection, accept the base again to the shell of first connecting piece in, and make the shell connecting hole one-to-one on the base connecting hole on the base lateral part and the shell lateral wall, it is connected to the first link and the interference of base connecting hole to make the fastener to correspond each fastener afterwards to impress, the second link is then connected outside the base connecting hole in, at this moment, the unable relative base of shell of first connecting piece rotates, the base also can't be deviate from in the shell, thus, can realize the fastening connection of first connecting piece and second connecting piece. In addition, only the first connecting end of the fastener is pressed into the base connecting hole in the connecting process, the first connecting piece and the second connecting piece can be quickly fastened and connected in a direct pressing mode, pressing operation does not need other tools, operation is simple and efficient, and the requirement on the operation space is low.

The utility model discloses another technical scheme is: the utility model provides a driving device, includes driving piece, driving medium and foretell fastening connection mechanism, and the driving medium is including the shell that can the adaptation accept the base, set up on the lateral wall of shell with the shell connecting hole of each base connecting hole one-to-one, the first link of each fastener interference connection respectively in the base connecting hole that corresponds, the second link of each fastener is connected respectively in the shell connecting hole that corresponds, the driving piece is towards the power take off end and the base fixed connection of driving medium.

The utility model discloses a driving device, owing to used foretell fastening connection mechanism, it is connected through this fastening connection mechanism with driving piece and driving medium, adopts the mode of the fastener of directly impressing alright realize the quick fastening connection between driving piece and the driving medium, and the operation of impressing need not with the help of other instruments, and easy operation is high-efficient, and is little to the requirement in operation space.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a first schematic structural diagram of a fastening connection mechanism provided in an embodiment of the present invention;

fig. 2 is a schematic structural diagram ii of a fastening connection mechanism provided in the embodiment of the present invention;

fig. 3 is an exploded schematic view of a fastening connection mechanism provided in an embodiment of the present invention;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 1;

FIG. 5 is a cross-sectional view taken along line B-B of FIG. 1;

fig. 6 is a schematic structural diagram of a fastener of the fastening mechanism according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a driving device according to an embodiment of the present invention;

fig. 8 is an exploded schematic view of the structure shown in fig. 7.

Wherein, in the figures, the respective reference numerals:

10-fastening connecting mechanism 11-base 12-fastening piece

13-connecting piece 100-transmission piece 101-shell

102-housing connection hole 111-base connection hole 112-connection through hole

113-connecting shaft hole 114-weight reduction groove 121-first connecting end

122-second connection end 123-rod part 124-abutting projection

125-head 200-driving piece 201-power output shaft

1121-large aperture section 1122-small aperture section 1123-stop boss.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to fig. 1 to 8 are exemplary and intended to be used for explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "length", "width", "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 merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

As shown in fig. 1 to 8, an embodiment of the present invention provides a fastening mechanism 10, which is suitable for fastening a first connecting member and a second connecting member, for example, a transmission member 100 (first connecting member) and a driving member 200 (second connecting member) of a transmission assembly. Specifically, as shown in fig. 7 and 8, the first connecting member includes a housing 101, and a housing connecting hole 102 is opened on a side wall of the housing 101. Specifically, as shown in fig. 1, 4, 6 and 7, the fastening mechanism 10 includes a base 11 and a plurality of fasteners 12, wherein the base 11 is used for being fixedly connected with a second connecting member and can be accommodated in a housing 101 of the first connecting member in a fitting manner, a side portion of the base 11 is disposed opposite to a side wall of the housing 101, and a plurality of base connecting holes 111 corresponding to the housing connecting holes 102 in a one-to-one manner are formed in the side portion of the base 11; each fastener 12 has a first connecting end 121 and a second connecting end 122 which are oppositely arranged, the first connecting end 121 passes through the housing connecting hole 102 and is connected with the base connecting hole 111 in an interference fit manner, and the second connecting end 122 is connected in the housing connecting hole 102. As shown in fig. 7 and 8, when the fastening mechanism 10 of the present embodiment is used for connection, the first connecting member may further include another structure mounted on the housing 101, and the fastening mechanism 10 fastens the housing 101 of the first connecting member and the second connecting member, so as to fasten the first connecting member and the second connecting member.

The fastening mechanism 10 of the embodiment of the present invention is used for fastening a first connecting member and a second connecting member, such as connecting a driving member 100 and a driving member 200, by first fixedly connecting a base 11 with the second connecting member, such as by using bolts or screws to fixedly connect a fastening member 12 with the end of the second connecting member for fixedly connecting with the first connecting member, and the connection operation can be performed in any space, after connection, the base 11 is received in a housing 101 of the first connecting member, and the base connecting holes 111 on the side portion of the base 11 correspond to the housing connecting holes 102 on the side wall of the housing 101, and then each fastening member 12 is pressed in correspondingly until the first connecting end 121 of the fastening member 12 is in interference connection with the base connecting holes 111, and the second connecting end 122 is connected in the base connecting holes 111, at this time, the housing 101 of the first connecting member cannot rotate relative to the base 11, the base 11 cannot be disengaged from the casing 101, so that the first connecting member and the second connecting member can be firmly connected. In addition, in the connection process, the first connection end 121 of the fastener 12 is only required to be pressed into the base connection hole 111, the first connection piece and the second connection piece can be quickly fastened and connected in a direct pressing mode, other tools are not required for pressing operation, operation is simple and efficient, and the requirement on the operation space is low.

It can be understood that, in the embodiment, as shown in fig. 6 to 8, a plurality of housing connection holes 102 are formed on a side wall of the housing 101 of the first connection member, and the formed positions of the housing connection holes 102 are in one-to-one correspondence with the base connection holes 111 for inserting the fastening members 12, and are used for preventing the housing 101 of the first connection member from rotating relative to the base 11 (i.e., the second connection member) after connection, while ensuring that the size of the housing connection hole 102 is larger than that of the first connection end 121, the size of the housing connection hole 102 only needs to be slightly larger than that of the second connection end 122 of the fastening member 12, so that the first connection end 121 can be ensured to cross the housing connection hole 102, and the housing 101 can be prevented from rotating.

In another embodiment of the present invention, as shown in fig. 3, 4 and 6, the fastening member 12 includes a rod portion 123, the first connecting end 121 and the second connecting end 122 are two opposite ends of the rod portion 123, the outer wall surface of the first connecting end 121 protrudes and is provided with a plurality of abutting protrusions 124, and each abutting protrusion 124 can be adapted to abut against the base connecting hole 111. When the operation is performed, the operator holds the fastener 12 and makes the rod portion 123 of the fastener traverse the housing connection hole 102, and then applies a force to press the first connection end 121 of the rod portion 123 into the base connection hole 111, at this time, the abutment protrusions 124 on the outer wall surface of the first connection end 121 press the hole wall of the base connection hole 111, so that the first connection end 121 of the fastener 12 is connected into the base connection hole 111 in an interference manner. Thus, the interference fit connection of the first connecting end 121 of the fastener 12 and the base connecting hole 111 is realized by arranging the abutting protrusion 124, and the friction force generated when the first connecting end 121 is pressed into the base connecting hole 111 can be reduced, so that the pressing operation of the fastener 12 is more labor-saving, and the connection operation is quicker and more convenient.

Preferably, in this embodiment, as shown in fig. 6, the abutting protrusions 124 are annular protrusions annularly arranged on the rod portion 123, and each of the annular protrusions is sequentially arranged on the outer wall surface of the first connecting end 121 along the length direction of the rod portion 123, so that when the first connecting end 121 of the fastener 12 is connected to the base connecting hole 111, the outer periphery of each of the annular protrusions is simultaneously pressed against the hole wall of the base connecting hole 111, and each of the abutting protrusions 124 is uniformly stressed, thereby further improving the reliability and stability of the connection.

Preferably, in the present embodiment, as shown in fig. 6, the annular protrusion is an annular rib, the abutting protrusion 124 is configured as an annular rib, and when the first connection end 121 of the fastening member 12 is pressed into the base connection hole 111, the ridge line of the annular rib is in pressing contact with the hole wall of the base connection hole 111, so that the friction force between the abutting protrusion 124 and the hole wall of the base connection hole 111 during the pressing process can be further reduced, and the pressing force required during the pressing process can be further reduced. In the present embodiment, the edge angle of the annular rib may be an acute angle, a right angle or an obtuse angle.

In another embodiment of the present invention, as shown in fig. 4 and 6, the fastening member 12 further includes a head 125 connected to the second connecting end 122 and disposed perpendicular to the rod portion 123, and the bottom surface of the head 125 facing the rod portion 123 is used for abutting against the hole edge of the housing connecting hole 102, so as to better prevent the housing 101 from coming off, and further improve the connection stability between the housing 101 of the first connecting member and the base 11.

In another embodiment of the present invention, as shown in fig. 3 and 4, the base connection hole 111 is a blind hole and/or a through hole, which has a simple hole structure and is easy to form a hole. In some embodiments, the base connection hole 111 is preferably a blind hole, so that the pressing depth of the first connection end 121 of the fastener 12 in the base connection hole 111 can be better determined, and in particular, when the end surface of the first connection end 121 is pressed to be against the bottom wall of the blind hole, the fastener 12 is connected in place.

In another embodiment of the present invention, as shown in fig. 1 to 3, a plurality of base connection holes 111 are uniformly wound on the side portion of the base 11 facing the side wall of the housing 101, and correspondingly, the housing connection holes 102 are uniformly wound on the side wall of the housing 101, as shown in fig. 7 and 8, so as to improve the stability and reliability of the fastening connection.

In another embodiment of the present invention, as shown in fig. 2, 3 and 5, the fastening mechanism 10 further comprises a plurality of connecting members 13, and the base 11 has an upper surface and a lower surface which are oppositely arranged; the base 11 is further provided with a plurality of connecting through holes 112 penetrating through the upper surface and the lower surface, one end of each connecting member 13 penetrates through the corresponding connecting through hole 112 and is connected with the second connecting member, and the other end of each connecting member 13 is accommodated in the corresponding connecting through hole 112, for example, the connecting member 13 may be a fastening bolt or a screw, when in connection, a threaded end of the bolt or the screw is connected and fixed with an end portion of the second connecting member facing the first connecting member, and a nut of the bolt or the screw is accommodated in the connecting through hole 112. Thus, when the first connecting piece and the second connecting piece are fastened and connected, the base 11 is firstly connected and fixed on the second connecting piece, for example, the base is fixed on the end part of the second connecting piece, which faces the first connecting piece and is fastened and connected with the shell 101 of the first connecting piece, the connection operation is simple, the operation of the connection and the fixation can be carried out at any time and in any space, and the operation is not limited by space.

Further, in the present embodiment, as shown in fig. 5, each of the connection through holes 112 includes a large-diameter section 1121 and a small-diameter section 1122, a stop boss 1123 is formed at a transition position of the large-diameter section 1121 to the small-diameter section 1122, an end portion of each connection member 13, such as a nut of a bolt or a screw, is respectively accommodated in the corresponding large-diameter section 1121 and abuts against the corresponding stop boss 1123, and an end portion of the connection member 13 is accommodated in the base 11, so that an internal space of the housing 101 of the first connection member is not additionally occupied, and an influence of the base 11 on the first connection member is reduced.

It will be appreciated that in some embodiments, as shown in fig. 2 and 8, in order to adapt the connection relationship between the first connecting member and the second connecting member, other holes or grooves may also be adapted on the base 11, for example, when the first connecting member is the transmission member 100 and the second connecting member is the driving member 200, since the driving member 200 is in driving connection with the transmission member 100 through the power output shaft 201 thereof, the base 11 may also be adapted to open the connecting shaft hole 113 for the power output shaft 201 of the driving member 200 to pass through, so as to ensure the normal driving connection between the driving member 200 and the transmission member 100. Further, as shown in fig. 2, the base 11 may be further provided with a plurality of lightening grooves 114 or lightening holes (not shown) at positions away from the base connecting holes 111, the connecting through holes 112 and the connecting shaft holes 113, so as to lighten the weight of the base 11 and the overall weight of the fastening mechanism 10 of the embodiment.

The embodiment of the utility model provides a drive arrangement is still provided, as shown in fig. 7 and 8, including driving piece 200, driving piece 100 and foretell fastening coupling mechanism 10, driving piece 100 is including the shell 101 that can the adaptation accept base 11, set up the shell connecting hole 102 with each base connecting hole 111 one-to-one on the lateral wall of shell 101, the first link 121 of each fastener 12 interference connection respectively in the base connecting hole 111 that corresponds, the second link 122 of each fastener 12 is connected respectively in the shell connecting hole 102 that corresponds, driving piece 200 is towards driving piece 100's power take off end and base 11 fixed connection.

The utility model discloses drive arrangement, owing to used foretell fastening coupling mechanism 10, it is connected through this fastening coupling mechanism 10 with driving piece 200 and driving medium 100, adopts the mode of the fastener 12 of directly impressing alright realize the quick fastening connection between driving piece 200 and the driving medium 100, and the operation of impressing need not with the help of other instruments, and easy operation is high-efficient, and is little to the requirement of operation space.

In this embodiment, as shown in fig. 8, a connecting shaft hole 113 for allowing the power output shaft 201 of the driving member 200 to pass through is further formed in the middle portion of the base 11, and the power output shaft 201 of the driving member 200 passes through the connecting shaft hole 113 and then extends into the casing 101 of the transmission member 100, and is in driving connection with the transmission structure in the casing 101, so that the arrangement of the base 11 does not affect the driving member 200 to normally drive the transmission member 100 to transmit power.

In a particular embodiment, the drive device may be a drive device provided with a planetary gear transmission assembly, wherein the drive member 200 corresponds to a motor and the housing 101 of the transmission member 100 corresponds to a gearbox housing, the planetary gear transmission assembly being mounted in the gearbox housing.

In a specific embodiment, the housing connection hole 102 is preferably a counter bore, and after the fastening member 12 is connected, the outer surface of the head 125 of the fastening member 12 is flush with the outer wall surface of the housing 101, i.e. the fastening member 12 does not protrude to the outside of the housing 101, so that the fastening member 12 is entirely accommodated in the housing 101 without occupying additional external space.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (10)

1. The utility model provides a fastening connection mechanism, is applicable to fastening connection first connecting piece and second connecting piece, first connecting piece includes the shell, the shell connecting hole has been seted up on the lateral wall of shell, its characterized in that, fastening connection mechanism includes:

the base is fixedly connected with the second connecting piece and can be accommodated in the shell in a matching manner, and a plurality of base connecting holes which correspond to the shell connecting holes one to one are formed in the side part of the base;

the fastening pieces are provided with a first connecting end and a second connecting end which are arranged oppositely, the first connecting end penetrates through the shell connecting hole and is connected with the base connecting hole in an interference fit mode, and the second connecting end is connected into the shell connecting hole.

2. The fastening connection of claim 1, wherein: the fastener comprises a rod part, the first connecting end and the second connecting end are two opposite end parts of the rod part respectively, a plurality of abutting protrusions are convexly arranged on the outer wall surface of the first connecting end, and each abutting protrusion can be matched and abutted in the base connecting hole.

3. The fastening connection of claim 2, wherein: the abutting protrusions are annular protrusions annularly arranged on the rod portion, and the annular protrusions are sequentially arranged on the outer wall surface of the first connecting end along the length direction of the rod portion.

4. The fastening connection of claim 3, wherein: the annular bulge is an annular convex edge, and the edge angle of the annular convex edge is an acute angle, a right angle or an obtuse angle.

5. The fastening connection of claim 2, wherein: the fastener further comprises a head part which is connected to the second connecting end and is perpendicular to the rod part, and the bottom surface of the head part facing the rod part is used for being in matched butt joint with the hole opening edge of the shell connecting hole.

6. The fastening and connecting mechanism according to any one of claims 1 to 5, wherein: the base connecting hole is a blind hole and/or a through hole.

7. The fastening and connecting mechanism according to any one of claims 1 to 5, wherein: and the plurality of base connecting holes are uniformly wound on the side part of the base.

8. The fastening and connecting mechanism according to any one of claims 1 to 5, wherein: the fastening connection mechanism further comprises a plurality of connecting pieces, the base is provided with an upper surface and a lower surface which are oppositely arranged, the base is further provided with a plurality of connecting through holes which penetrate through the upper surface and the lower surface, one end of each connecting piece penetrates through the corresponding connecting through hole and is connected with the second connecting piece, and the other end of each connecting piece is contained in the corresponding connecting through hole.

9. The fastening attachment mechanism of claim 8, wherein: each connecting through hole comprises a large-aperture section and a small-aperture section, a supporting boss is formed at the transition position of the large-aperture section to the small-aperture section, and the end part of each connecting piece is contained in the corresponding large-aperture section and is abutted against the corresponding supporting boss.

10. A driving device is characterized by comprising a driving part, a driving part and the fastening connection mechanism according to any one of claims 1 to 9, wherein the driving part comprises a shell which can be accommodated in the base in a matching manner, shell connection holes which correspond to the base connection holes one by one are formed in the side wall of the shell, the first connection end of each fastening part is respectively connected into the corresponding base connection hole in an interference manner, the second connection end of each fastening part is respectively connected into the corresponding shell connection hole, and the driving part faces to the power output end of the driving part and is fixedly connected with the base.

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