CN219366498U - Threaded connection assembly and assembly with same - Google Patents

Abstract

The application relates to a threaded connection subassembly and have its assembly component, threaded connection subassembly includes: the threaded connecting piece is arranged on the first side of the device to be assembled, and the device to be assembled is provided with an assembly hole for the threaded connecting piece to penetrate through; the locating piece is arranged on the second side of the device to be assembled, a threaded hole matched with the threaded connecting piece is formed in the locating piece, a circumferential limiting structure and a translational limiting structure are arranged between the device to be assembled and the locating piece, and at least one of the circumferential limiting structure and the translational limiting structure is arranged between the bottom of the device to be assembled and the locating piece. The threaded connection assembly can reduce the phenomenon that the threaded connection piece or the positioning piece drives the device to be assembled to follow or translate in the assembling process, and meanwhile, at least one of the circumferential limiting structure and the translational limiting structure is arranged at the bottom of the device to be assembled, so that the influence of the top functional area of the device to be assembled can be reduced.

Description

Threaded connection assembly and assembly with same

Technical Field

The application relates to the technical field of tools, in particular to a threaded connection assembly and an assembly with the threaded connection assembly.

Background

This section provides merely background information related to the present disclosure and is not necessarily prior art.

Part mechanical part and electrical part are assembled to the main structure through threaded connection spare, and the main structure generally can be provided with and carry out screw-thread fit's setting element with threaded connection spare, because threaded connection spare and setting element have assembly efficiency height and locking characteristic good advantage, threaded connection spare and setting element are used in each technical field widely. For example, taking the technical field of automobile manufacturing as an example, parts in an automobile lamp are usually connected by adopting a screw matched with a screw column, and parts in the automobile lamp are connected by adopting the screw matched with the screw column, so that the basic use requirement can be met, but in the actual use condition, along with the development of parts, an assembly space, the screw and the screw column towards a miniaturized direction and the limitation of a mold structure and an injection molding process, the screw column cannot be provided with a limit structure adapting to the assembly space, and under the condition of no limit structure, the matching precision of the screw and the screw column is greatly reduced, so that the screw is extremely easy to be deviated and inclined, and the following rotation condition of the parts is generated in the assembly process.

Disclosure of Invention

The purpose of this application is at least to solve the technical problem that current threaded connection subassembly can't compromise to wait to adorn fitting function district and location district, and this purpose is realized through following technical scheme:

a first aspect of the present application provides a threaded connection assembly comprising: the threaded connecting piece is arranged on the first side of the device to be assembled, and the device to be assembled is provided with an assembly hole for the threaded connecting piece to penetrate through; the locating piece is arranged on the second side of the device to be assembled, a threaded hole matched with the threaded connecting piece is formed in the locating piece, a circumferential limiting structure and a translational limiting structure are arranged between the device to be assembled and the locating piece, and at least one of the circumferential limiting structure and the translational limiting structure is arranged between the bottom of the device to be assembled and the locating piece.

It can be understood by those skilled in the art that the purpose of assembling the threaded connection piece, the device to be assembled and the positioning piece is to achieve the purpose of fastening the device to be assembled through the matching of the threaded connection piece and the positioning piece, after the threaded connection piece and the positioning piece are tightly attached to the device to be assembled, friction force is generated between the threaded connection piece and the positioning piece and the device to be assembled, or the assembly hole of the device to be assembled is provided with internal threads, and in order to reduce the phenomena that the threaded connection piece or the positioning piece drives the device to be assembled to generate follow-up rotation and translation through friction force or threaded matching in the rotating process, the embodiment of the application proposes that a circumferential limit structure and a translation limit structure are arranged between the device to be assembled and the positioning piece, meanwhile, the threaded connection piece is arranged to be a rotating piece, the positioning piece is arranged to be a fixed piece, the device to be assembled is limited to generate follow-up rotation and translation phenomena along with the threaded connection piece through the limit structure, and the phenomenon that the device to be assembled is displaced or a functional area is reduced because of the follow-up rotation and translation phenomena are generated.

Further, a functional area is generally arranged on the top of the device to be assembled, taking the device to be assembled as an integrated circuit board as an example, and functional devices such as a circuit, a capacitor, a resistor or a storage unit are generally arranged on the top of the integrated circuit board, but in the embodiment of the application, at least one of a circumferential limit structure and a translational limit structure is arranged at the bottom of the device to be assembled, so as to reduce the influence of the circumferential limit structure and the translational limit structure on the functional area of the device to be assembled, and improve the utilization rate of the functional area of the device to be assembled; meanwhile, the structural difficulty and the manufacturing process difficulty of the circumferential limiting structure and the translational limiting structure are considered, the other one of the circumferential limiting structure and the translational limiting structure can be not arranged at the bottom of the device to be assembled, and the other one of the circumferential limiting structure and the translational limiting structure can be reasonably arranged according to the functional area of the device to be assembled, and the distribution of the structures belongs to the protection scope of the embodiment of the application.

In some embodiments, the circumferential spacing structure includes a spacing groove and a spacing rib, the spacing groove is disposed at the periphery of the assembly hole, and the spacing rib is disposed at the top of the positioning member and is located at the periphery of the threaded hole.

In some embodiments, the spacing rib is set flush with the top of the locating piece, the spacing groove is set in communication with the assembly hole, and the height of the spacing rib is set to be consistent with the depth of the spacing groove.

In some embodiments, the translational limiting structure comprises a collar structure matched with the top contour of the positioning piece, the collar structure is arranged at the bottom of the device to be assembled and surrounds the periphery of the assembly hole, and the device to be assembled is sleeved to the top of the positioning piece through the collar structure.

In some embodiments, the top outer wall of the retainer is configured as an outer tapered surface structure with an outer diameter gradually increasing along the assembly direction, and the inner wall of the collar structure is configured as an inner tapered surface structure with an inner diameter gradually decreasing along the assembly direction.

In some embodiments, the translational limiting structure comprises a collar structure matched with the top profile of the positioning piece, the piece to be assembled is sleeved on the top of the positioning piece through the collar structure, the circumferential limiting structure comprises a limiting groove arranged at the bottom of the piece to be assembled and a limiting rib arranged at the top of the positioning piece, and the limiting groove and the limiting rib are in clearance fit.

In some embodiments, the circumferential spacing structure includes a spacing groove and a spacing rib, the spacing rib is disposed at the bottom of the device to be assembled and is located at the periphery of the assembly hole, and the spacing groove is disposed at the top of the positioning member and is located at the periphery of the threaded hole.

In some embodiments, the spacing groove is configured to communicate with the threaded bore, and the height of the spacing rib is configured to be less than the depth of the spacing groove.

In some embodiments, the translational limiting structure comprises a collar structure matched with the top profile of the positioning piece, the piece to be assembled is sleeved on the top of the positioning piece through the collar structure, the circumferential limiting structure comprises a limiting rib arranged at the bottom of the piece to be assembled and a limiting groove arranged at the top of the positioning piece, and the limiting groove and the limiting rib are in clearance fit.

In some embodiments, the translational limiting structure comprises a collar structure matched with the top contour of the positioning piece, the piece to be mounted is sleeved on the top of the positioning piece through the collar structure, and the circumferential limiting structure comprises a notch arranged on the side wall of the collar structure and a protrusion arranged on the side wall of the positioning piece and matched with the notch.

In some embodiments, the member to be mounted comprises a circuit board, the threaded connection comprises a screw for fastening the circuit board, and the positioning member comprises a screw post for mating with the screw to assemble the circuit board.

A second aspect of the present application provides a fitting assembly comprising: the circuit board is provided with an assembly hole; according to the threaded connection assembly of the first aspect of the application, the threaded connection assembly comprises threaded connection pieces and positioning pieces distributed on two sides of the circuit board.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the application. Also, like reference numerals are used to designate like parts throughout the figures. In the drawings:

fig. 1 is a schematic structural view of a device to be assembled according to a first embodiment of the present application;

fig. 2 is a schematic structural view of a positioning member according to a first embodiment of the present application;

FIG. 3 is a schematic structural view of a fitting assembly according to a first embodiment of the present application;

FIG. 4 is a top view of the mounting assembly of FIG. 3;

FIG. 5 is a cross-sectional view taken along A-A of the mounting assembly of FIG. 4;

fig. 6 is a schematic structural view of a device to be assembled according to a second embodiment of the present application;

fig. 7 is a schematic structural view of a positioning member according to a second embodiment of the present application;

FIG. 8 is a schematic structural view of a mounting assembly according to a second embodiment of the present application;

FIG. 9 is a top view of the mounting assembly of FIG. 8;

FIG. 10 is a B-B cross-sectional view of the mounting assembly of FIG. 9;

fig. 11 is a schematic structural view of a device to be assembled according to a third embodiment of the present application;

fig. 12 is a cross-sectional view of a fitting assembly of a third embodiment of the present application.

Wherein, the reference numerals are as follows:

100. assembling the assembly; 101. a first limit groove; 102. the second limit groove; 103. the first limit rib; 104. the second limit rib; 105. a first collar structure; 106. a second collar structure; 107. a notch; 108. a protrusion;

10. a device to be assembled; 11. a fitting hole;

20. a positioning piece; 21. and (3) a threaded hole.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, the description of the threaded connection assembly and the assembly according to the present application by the assembly in the vehicle lamp is only a preferred embodiment, and is not limited to the protection scope of the threaded connection assembly and the assembly, for example, the assembly according to the present application may also be other components in the vehicle, such as a control board or an ECU board, and such adjustment also belongs to the protection scope of the threaded connection assembly and the assembly according to the present application.

It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," and "having" are inclusive and therefore specify the presence of stated features, elements, and/or components, but do not preclude the presence or addition of one or more other features, elements, components, and/or groups thereof.

Although the terms first, second, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. In addition, in the description of the present application, unless explicitly stated and limited otherwise, the terms "disposed" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the terms in this application will be understood by those skilled in the art as the case may be.

For ease of description, spatially relative terms, such as "side," "circumferential," "translation," "perimeter," "top," "bottom," "outer," "side," and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the mechanism in use or operation in addition to the orientation depicted in the figures. For example, if the mechanism in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" may include both upper and lower orientations. The mechanism may be otherwise oriented (rotated 90 degrees or in other directions) and the spatial relative relationship descriptors used herein interpreted accordingly.

It should be noted that, the "threaded connection piece" in the embodiment of the present application refers to a generic term of a connection piece with threads, including a screw, a stud, a bolt, and the like, and is not limited to a threaded connection piece with a certain characteristic structure, and the "positioning piece" refers to an internal threaded structure for being matched with the "threaded connection piece" to fasten a device to be assembled, including a positioning column and a positioning block that are matched with the screw, and the inside of the positioning column and the positioning block is provided with threaded holes matched with the screw; the device to be assembled refers to an assembly hole which is assembled to the positioning piece, and is internally provided with the assembly hole matched with the threaded connecting piece and the positioning piece, and the threaded connecting piece such as a screw sequentially passes through the assembly hole and the positioning piece so as to achieve the aim of assembling the assembly hole to the positioning piece.

Taking the technical field of automobile manufacturing as an example, parts in an automobile lamp are usually connected by adopting a screw matched with a screw column, and the parts in the automobile lamp are connected by adopting the screw matched with the screw column, so that the basic use requirement can be met, but in practical situations, along with the development of parts, assembly space, screws and screw columns in a miniaturized direction and the limitation of a mold structure and an injection molding process, the screw column often cannot be provided with a proper limit structure, and under the condition without the limit structure, the matching precision of the screws and the screw column is greatly reduced, so that the screws are extremely easy to deviate and skew, and the follow-up rotation condition of the parts is generated in the assembly process.

In order to solve the unable requirement of considering waiting to assemble the device to function district and locating area of current threaded connection subassembly, the embodiment of this application provides a threaded connection subassembly, sets up the limit structure between waiting to assemble device and the setting element through rational distribution, reduces limit structure and waits to assemble the influence of the function district of device, has improved threaded connection subassembly's application scope.

As shown in fig. 1 to 12, the threaded connection assembly provided in the embodiment of the first aspect of the present application includes a threaded connection member and a positioning member 20, the threaded connection member is disposed on a first side of the device 10 to be assembled, the device 10 to be assembled is provided with an assembly hole 11 through which the threaded connection member passes, the positioning member 20 is disposed on a second side of the device 10 to be assembled, the positioning member 20 is provided with a threaded hole 21 engaged with the threaded connection member, and at least one of a circumferential limit structure and a translational limit structure is disposed between a bottom of the device 10 to be assembled and the positioning member 20.

In this embodiment, taking a threaded connecting piece as an example, the device to be assembled 10 is provided with an assembly hole 11, the positioning piece 20 is provided with a threaded hole 21, when the device to be assembled 10 and the positioning piece 20 are assembled, the assembly hole 11 of the device to be assembled 10 is aligned with the threaded hole 21 of the positioning piece 20, and then the screw sequentially passes through the assembly hole 11 of the device to be assembled 10 and the threaded hole 21 of the positioning piece 20 until the nut of the screw is pressed against the device to be assembled 10, at this time, the screw is matched with the positioning piece 20 through the nut to achieve the aim of limiting the device to be assembled 10 axially along the axial direction of the screw, and meanwhile, the screw is matched with the thread of the positioning piece 20 to achieve the aim of limiting the device to be assembled 10 circumferentially and along the translational direction.

As will be appreciated by those skilled in the art, in order to achieve the purpose of fastening the device 10 to be assembled by matching the screw with the positioning member 20, friction force is generated between the screw and the positioning member 20 and the device 10 to be assembled after the screw and the positioning member 20 are tightly attached to the device 10 to be assembled, or the assembly hole 11 of the device 10 to be assembled is provided with internal threads, in order to reduce the phenomena of 'heel rotation' and 'translation' of the device 10 to be assembled by the friction force or the threaded matching of the screw or the positioning member 20 during rotation, the embodiments of the present application propose to set a circumferential limit structure and a translational limit structure between the device 10 to be assembled and the positioning member 20, and simultaneously set the screw as a rotating member and set the positioning member 20 as a fixing member, and the positioning member 20 limits the device 10 to be assembled to undergo 'heel rotation' and 'translation' phenomena along with the screw by the circumferential limit structure and the translational limit structure, thereby reducing the phenomena of 'heel rotation' and 'translation' structural shift or functional area shift of the device 10 to be assembled.

Specifically, the circumferential limiting structure arranged between the device to be assembled 10 and the positioning piece 20 is used for limiting the device to be assembled 10 from following rotation in the assembly process, and the translational limiting structure is used for limiting the device to be assembled 10 from translating in the assembly process, so that the phenomenon that the screw, the device to be assembled 10 and the positioning piece 20 are not coaxial due to the translation of the device to be assembled 10 is reduced, and the phenomenon that the screw is biased and skewed in the assembly process is reduced.

In addition, a functional area is provided on the top of the component to be assembled 10, taking the component to be assembled 10 as an integrated circuit board for example, the top of the integrated circuit board is generally provided with functional elements such as a circuit, a capacitor, a resistor or a storage unit, etc., while in the embodiment of the application, at least one of a circumferential limit structure and a translational limit structure is provided on the bottom of the component to be assembled 10, so as to reduce the influence of the circumferential limit structure and the translational limit structure on the functional area of the component to be assembled 10 and improve the utilization rate of the functional area of the component to be assembled 10; meanwhile, considering the structural difficulty of the circumferential limit structure and the translational limit structure and the manufacturing process difficulty, the other one of the circumferential limit structure and the translational limit structure may not be disposed at the bottom of the device 10 to be assembled, and may be reasonably disposed according to the functional area of the device 10 to be assembled, and the distribution of these structures all belongs to the protection scope of the embodiments of the present application.

It should be noted that, the embodiment of the present application does not limit the specific structure of the circumferential limit structure and the translational limit structure, because the types of the circumferential limit structure and the translational limit structure are more, for example, the circumferential limit structure may be set to be a structure such as a limit rib, a limit groove, a limit pin, etc., and the translational limit structure may be set to be a complete clamping sleeve distributed along the circumferential direction or three clamping rings distributed at intervals along the circumferential direction, and these structures may all achieve the effects of circumferential limit and translational limit of the device 10 to be assembled and the positioning member 20, so these structures of the circumferential limit structure and the translational limit structure all belong to the protection scope of the embodiment of the present application.

Preferred embodiments of the circumferential limit structure and the translational limit structure of the embodiments of the present application are described below.

As shown in fig. 1 to 5, in some embodiments, the circumferential limit structure includes a limit groove (first limit groove 101) and a limit rib (first limit rib 103), the limit groove (first limit groove 101) is disposed at the periphery of the assembly hole 11, and the limit rib (first limit rib 103) is disposed at the top of the positioning member 20 and is located at the periphery of the threaded hole 21.

In this embodiment, the structure of spacing muscle includes rectangle structure, trapezium structure or arc structure, and the spacing groove sets up to rectangular channel, dovetail groove or the arc wall that corresponds with spacing muscle, in order to reduce the stress concentration between spacing muscle and the spacing groove, and the structure of spacing muscle is the arc muscle preferably, and the spacing groove sets up to the arc wall that corresponds with the arc muscle.

The spacing rib and the spacing groove are all set to extend along the radial direction, and no circumferential movable space exists between the spacing rib and the spacing groove, so that after the spacing rib of the positioning piece 20 is inserted into the spacing groove of the to-be-assembled device 10, the relative rotation between the positioning piece 20 and the to-be-assembled device 10 along the circumferential direction can be limited through the cooperation of the spacing rib and the spacing groove, thereby achieving the circumferential spacing purpose of the to-be-assembled device 10.

Further, the threaded connection piece, the device to be assembled 10 and the positioning piece 20 are small-sized components, in order to reduce the assembly difficulty of the threaded connection piece, the device to be assembled 10 and the positioning piece 20, the preliminary positioning of the device to be assembled 10 and the positioning piece 20 is important, the matching process of the limiting ribs and the limiting grooves provided by the embodiment of the application is synchronous with the alignment process of the assembly holes 11 of the device to be assembled 10 and the threaded holes 21 of the positioning piece 20, that is, after the matching of the limiting ribs and the limiting grooves is completed, the assembly holes 11 of the device to be assembled 10 and the threaded holes 21 of the positioning piece 20 are aligned with each other, so that the alignment difficulty of the assembly holes 11 of the device to be assembled 10 and the threaded holes 21 of the positioning piece 20 can be reduced, the preliminary positioning of the device to be assembled 10 and the positioning piece 20 can be achieved through the matching of the limiting ribs and the limiting grooves, and the deviation phenomenon can be reduced.

In some embodiments, the spacing rib (first spacing rib 103) is disposed flush with the top of the positioning member 20, the spacing groove (first spacing groove 101) is disposed in communication with the assembly hole 11, and the height of the spacing rib (first spacing rib 103) is disposed to be consistent with the depth of the spacing groove (first spacing groove 101).

In this embodiment, after the positioning member 20 and the device to be assembled 10 are assembled, the top of the limit rib is flush with the top surface of the device to be assembled 10, when the threaded connection member such as a screw fastens the device to be assembled 10, a part of the nut of the screw contacts with the top of the limit rib and applies a pre-tightening force to the top of the limit rib, and the purpose of dispersing the pre-tightening force between the screw and the device to be assembled 10 and the purpose of dispersing the friction force and the clamping force between the device to be assembled 10 and the positioning member 20 are achieved through the mutual contact action among the threaded connection member, the device to be assembled 10 and the limit rib.

As shown in fig. 1 to 12, in some embodiments, the translational limiting structure includes a collar structure (first collar structure 105) that matches the top contour of the positioning member 20, and the collar structure (first collar structure 105) is disposed at the bottom of the device to be assembled 10 and surrounds the periphery of the assembly hole 11, and the device to be assembled 10 is sleeved to the top of the positioning member 20 through the collar structure.

In this embodiment, the collar structure is disposed at the bottom of the device to be assembled 10 to form a structure similar to a cap body, the device to be assembled 10 is fastened at the top of the positioning member 20 through the collar structure, and because the collar structure is disposed to be distributed along the circumferential direction of the positioning member 20, the collar structure can limit the translation of the positioning member 20 along the circumferential 360 ° direction, and meanwhile, through the cooperation of the collar structure and the bottom of the device to be assembled 10 and the top of the positioning member 20, the phenomenon that the device to be assembled 10 is eccentrically and rotationally driven can be reduced.

Specifically, the top profile of the positioning member 20 includes a circular shape, an elliptical shape, a polygonal shape, and an irregular shape, and the collar structure is provided as a circular ring structure, an elliptical ring structure, a polygonal ring structure, and an irregular ring structure that are fitted with the top profile of the positioning member 20.

In some embodiments, the top outer wall of the retainer 20 is configured as an outer tapered surface structure with an outer diameter gradually increasing in the assembly direction, and the inner wall of the collar structure is configured as an inner tapered surface structure with an inner diameter gradually decreasing in the assembly direction.

In this embodiment, as will be understood by those skilled in the art, since the collar structure is required to perform "translational limiting" on the positioning member 20, the collar structure and the top of the positioning member 20 are set to be in transition fit or interference fit to be optimal, however, the assembly difficulty between the collar structure and the top of the positioning member 20 should also be considered, and based on this consideration, other embodiments of the present application propose to set the side wall of the positioning member 20 to be an outer conical surface structure with gradually increased outer diameter along the assembly direction, and set the inner wall of the collar structure to be an inner conical surface structure with gradually reduced inner diameter along the assembly direction, and the assembly difficulty and the limiting effect between the to-be-assembled adaptor 10 and the positioning member 20 are considered by the inner conical surface structure of the collar structure being matched with the outer conical surface structure of the positioning member 20.

In other embodiments of the present application, the translational limiting structure includes a collar protrusion disposed at the bottom of the device to be assembled 10 and located at the periphery of the assembly hole 11, and the top of the positioning member 20 is provided with a ring groove matched with the collar protrusion, and the device to be assembled 10 is inserted into the ring groove of the positioning member 20 through the collar protrusion.

In this embodiment, the ring groove forms a structure similar to a slot on the top of the positioning piece 20, the collar protrusion forms a structure similar to an insert block on the bottom of the to-be-assembled device 10, and during the process of assembling the to-be-assembled device 10 and the positioning piece 20, the collar protrusion of the to-be-assembled device 10 is inserted into the ring groove of the positioning piece 20, so that the preliminary positioning of the to-be-assembled device 10 and the positioning piece 20 can be completed, the preliminary alignment of the assembly hole 11 of the to-be-assembled device 10 and the threaded hole 21 of the positioning piece 20 is completed, then the alignment of the assembly hole 11 of the to-be-assembled device 10 and the threaded hole 21 of the positioning piece 20 is finely adjusted, and finally the assembly alignment between the to-be-assembled device 10 and the positioning piece 20 before the screw fastening is completed.

Further, in order to reduce the assembly degree of difficulty of the protruding and annular of lantern ring, reduce the protruding and annular of lantern ring and appear the phenomenon of fixing a position, other embodiments of this application propose to set up the protruding a plurality of arc structures that are distributed along circumference interval, insert in the annular through a plurality of arc structures of interval distribution to this reduces the locating surface between protruding and the annular of lantern ring, so that reduce the protruding and annular of lantern ring and appear the phenomenon of fixing a position between.

As shown in fig. 1 to 5, in some embodiments, the translational stop structure includes a collar structure (first collar structure 105) that matches the top profile of the positioning member 20, the device 10 to be assembled is sleeved to the top of the positioning member 20 by the collar structure (first collar structure 105), the circumferential stop structure includes a stop groove (first stop groove 101) provided at the bottom of the device 10 to be assembled, and a stop rib (first stop rib 103) provided at the top of the positioning member 20, and the stop groove (first stop groove 101) and the stop rib (first stop rib 103) are set to be in clearance fit.

In this embodiment, in the process of assembling the device 10 to be assembled and the positioning piece 20, the collar structure of the device 10 to be assembled is sleeved on the top of the positioning piece 20, and meanwhile, the limit rib on the top of the positioning piece 20 is inserted into the limit groove of the device 10 to be assembled, and after the top of the limit rib is flush with the top of the device 10 to be assembled, the device 10 to be assembled and the positioning piece 20 complete assembly, the collar structure performs "translational limit" on the device 10 to be assembled, and the limit rib performs "circumferential limit" on the device 10 to be assembled. Meanwhile, the limit groove (the first limit groove 101) and the limit rib (the first limit rib 103) are arranged to be in clearance fit, so that the phenomenon that the fit between the limit rib (the first limit rib 103) and the limit groove (the first limit groove 101) and the lantern ring structure are over-positioned can be reduced.

Further, through setting up translation limit structure and circumference limit structure into two types of cooperation structures to with translation limit structure and circumference limit structure set up in different space dimension, can reduce translation limit structure and circumference limit structure and take place the positioning phenomenon, improve the cooperation stability between waiting to assemble device 10 and setting element 20.

As shown in fig. 6 to 10, in some embodiments, the circumferential limit structure includes a limit groove (second limit groove 102) and a limit rib (second limit rib 104), the limit rib (second limit rib 104) is disposed at the bottom of the device 10 to be assembled and located at the periphery of the assembly hole 11, and the limit groove (second limit groove 102) is disposed at the top of the positioning member 20 and located at the periphery of the threaded hole 21.

In this embodiment, the limiting ribs are disposed at the bottom of the device 10 to be assembled, so that the peripheral limiting structure does not affect the functional area at the top of the device 10 to be assembled, and the utilization rate of the functional area of the device 10 to be assembled is improved.

Specifically, the limiting groove forms a structure similar to a slot at the top of the positioning piece 20, the limiting rib forms a structure similar to an inserting block at the bottom of the to-be-assembled device 10, no circumferential movable space exists between the limiting rib and the limiting groove, and the limiting rib of the to-be-assembled device 10 is inserted into the slot of the positioning piece 20 in the process of assembling the to-be-assembled device 10 and the positioning piece 20, so that circumferential limiting of the to-be-assembled device 10 can be completed.

Further, the preliminary positioning of the device 10 to be assembled and the positioning piece 20 can be completed, the preliminary alignment of the assembly hole 11 of the device 10 to be assembled and the threaded hole 21 of the positioning piece 20 is completed, then the alignment of the assembly hole 11 of the device 10 to be assembled and the threaded hole 21 of the positioning piece 20 is finely adjusted, and finally the assembly alignment between the device 10 to be assembled and the positioning piece 20 before the screw fastening is completed.

In some embodiments, the limit groove (second limit groove 102) is provided in communication with the threaded hole 21, and the height of the limit rib (second limit rib 104) is set smaller than the depth of the limit groove (second limit groove 102).

In this embodiment, since the limit groove is configured to communicate with the threaded hole 21, after the positioning member 20 and the device to be assembled 10 are assembled, when the threaded connection member such as a screw fastens the device to be assembled 10, the threaded connection member such as a screw contacts with the side wall of the limit rib and applies a pre-tightening force to the side wall of the limit rib, and the purpose of dispersing the pre-tightening force between the screw and the device to be assembled 10 and the purpose of dispersing the friction force and the clamping force between the device to be assembled 10 and the positioning member 20 are achieved through the contact effect among the threaded connection member, the device to be assembled 10 and the limit rib.

Meanwhile, the height of the limiting ribs is set to be smaller than the depth of the limiting grooves, so that the phenomenon that gaps are generated between the bottom of the device 10 to be assembled and the top of the positioning piece 20 due to the fact that the height of the limiting ribs is higher can be reduced.

As shown in fig. 6 to 10, in some embodiments, the translational stop structure includes a collar structure (first collar structure 105) that matches the top profile of the positioning member 20, the device 10 to be assembled is sleeved to the top of the positioning member 20 by the collar structure (first collar structure 105), the circumferential stop structure includes a stop rib (second stop rib 104) disposed at the bottom of the device 10 to be assembled, and a stop groove (second stop groove 102) disposed at the top of the positioning member 20, and the stop groove (second stop groove 102) and the stop rib (second stop rib 104) are disposed as a clearance fit.

In this embodiment, in the process of assembling the device 10 to be assembled and the positioning piece 20, the collar structure of the device 10 to be assembled is sleeved on the top of the positioning piece 20, and meanwhile, the limit rib at the bottom of the device 10 to be assembled is inserted into the limit groove at the top of the positioning piece 20, and after the limit rib reaches the groove bottom of the limit groove, the device 10 to be assembled and the positioning piece 20 complete assembly, the collar structure performs "translational limit" on the device 10 to be assembled, and the limit rib performs "circumferential limit" on the device 10 to be assembled. Meanwhile, the limit groove (the second limit groove 102) and the limit rib (the second limit rib 104) are arranged to be in clearance fit, so that the phenomenon that the fit of the limit rib (the second limit rib 104) and the limit groove (the second limit groove 102) and the lantern ring structure are over-positioned can be reduced.

As shown in fig. 11, in some embodiments, the translational limiting structure includes a collar structure (second collar structure 106) that mates with the top profile of the positioning member 20, the device 10 to be assembled is sleeved to the top of the positioning member 20 by the collar structure (second collar structure 106), the circumferential limiting structure includes a notch 107 provided in a sidewall of the collar structure (second collar structure 106), and a protrusion 108 provided in a sidewall of the positioning member 20 and mated with the notch 107.

In this embodiment, the translational limiting structure and the circumferential limiting structure are not located at the top of the device 10 to be assembled, so that the influence of the functional area at the top of the device 10 to be assembled is reduced, meanwhile, the translational limiting structure is integrated in the circumferential limiting structure, the structural transformation of the device 10 to be assembled by the translational limiting structure can be reduced, and the risk of damaging the device 10 to be assembled in the process of setting the translational limiting structure and the circumferential limiting structure is reduced.

Specifically, taking the to-be-mounted adaptor 10 as an integrated circuit board as an example, the translation limiting structure is a plastic collar or an aluminum alloy collar connected to the integrated circuit board through an injection molding process or a welding process, then a notch 107 is formed in the side wall of the plastic collar or the aluminum alloy collar through a cutting process or a stamping process, a protrusion 108 matched with the notch 107 is formed in the side wall of the positioning piece 20, the translation limiting fit is formed between the inner wall of the plastic collar or the aluminum alloy collar and the outer wall of the positioning piece 20, and the circumferential limiting fit is formed between the notch 107 of the plastic collar or the aluminum alloy collar and the protrusion of the outer wall of the positioning piece 20.

As shown in fig. 1-12, in some embodiments, the device to be assembled 10 includes a circuit board, the threaded connection includes a screw that secures the circuit board, and the positioning member 20 includes a screw post that mates with the screw to assemble the circuit board.

In this embodiment, the top of the circuit board is generally provided with functional elements such as a circuit, a capacitor, a resistor or a memory unit, and in the embodiment of the present application, at least one of the circumferential limit structure and the translational limit structure is disposed at the bottom of the device 10 to be assembled, so as to reduce the influence of the circumferential limit structure and the translational limit structure on the functional area of the device 10 to be assembled, and improve the utilization rate of the functional area of the device 10 to be assembled; meanwhile, considering the structural difficulty of the circumferential limit structure and the translational limit structure and the manufacturing process difficulty, the other one of the circumferential limit structure and the translational limit structure may not be disposed at the bottom of the device 10 to be assembled, may specifically be disposed to penetrate through the top of the device 10 to be assembled, may be disposed reasonably according to the functional area of the device 10 to be assembled, and the distribution of these structures all belongs to the protection scope of the embodiments of the present application.

The second aspect of the present application provides a fitting assembly 100, the fitting assembly 100 comprising a circuit board provided with a fitting hole 11 and a threaded connection assembly according to the first aspect of the present application, the threaded connection assembly comprising a threaded connection and a positioning member 20 provided on both sides of the circuit board.

In this embodiment, taking the technical field of automobile manufacturing as an example, the parts in the automobile lamp are usually connected by adopting the screw to be matched with the screw column, and the assembly 100 provided by the embodiment of the application is beneficial to the development of the parts, the assembly space and the threaded connection assembly in the automobile lamp towards the miniaturized direction, reduces the limitation of the mold structure and the injection molding process on the threaded connection assembly and the assembly 100, improves the assembly precision of the threaded connection assembly and the assembly 100, and reduces the phenomena of deviation, skew, rotation and shift of assembly.

In addition, the second aspect of the present application provides a fitting assembly 100 having all the technical effects of the threaded connection assembly of the first aspect of the present application, which is not described herein, and in addition, the vehicle is preferably a smart driving vehicle, and the fitting assembly 100 is preferably a lamp part provided in the smart driving vehicle.

Examples

Under the condition that the structure allows, the top of the locating piece can be provided with a limiting groove, the depth of the limiting groove is set to be 2mm, the width of the limiting groove is set to be 1.5mm, the notch chamfer of the limiting groove is set to be 0.3mm multiplied by 70 degrees, the thickness of a device to be assembled is set to be 2mm, a gap of single side 0.05mm is reserved between the limiting rib of the device to be assembled and the limiting groove of the locating piece, the device to be assembled and the locating piece complete circumferential positioning through the limiting rib and the limiting groove, meanwhile, the device to be assembled is matched with the top of the locating piece through the protrusion of the lantern ring to complete translational positioning, and the fastener is used for axially positioning the device to be assembled, so that the purpose of fastening the device to be assembled to the locating piece is achieved, and meanwhile, the occupied space of an excessive locating structure between the device to be assembled and the locating piece can be reduced.

In addition, the embodiment of the present application only illustrates the structure related to the improvement point of the present application in the threaded connection assembly and the assembly, and does not represent that the threaded connection assembly and the assembly of the present application do not have other structures, for example, the threaded connection assembly further includes a fixing structure for fixing the positioning member, the assembly includes a plurality of threaded connection assemblies for fastening the circuit board, the plurality of threaded connection assemblies are disposed to avoid the functional area of the circuit board, these structures all belong to the protection ranges of the threaded connection assembly and the assembly of the embodiment of the present application, and other structures of the threaded connection assembly and the assembly are not further illustrated herein.

The foregoing is merely a preferred embodiment of the present application, but the scope of the present application is not limited thereto, and any changes or substitutions easily contemplated by those skilled in the art within the technical scope of the present application should be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (12)

1. A threaded connection assembly, the threaded connection assembly comprising:

the threaded connecting piece is arranged on the first side of the device to be assembled, and the device to be assembled is provided with an assembly hole for the threaded connecting piece to penetrate through;

the positioning piece is arranged on the second side of the device to be assembled and is provided with a threaded hole matched with the threaded connecting piece,

the device comprises a positioning piece, a to-be-assembled device and a to-be-assembled device, wherein a circumferential limiting structure and a translational limiting structure are arranged between the to-be-assembled device and the positioning piece, and at least one of the circumferential limiting structure and the translational limiting structure is arranged between the bottom of the to-be-assembled device and the positioning piece.

2. The threaded connection assembly of claim 1, wherein the circumferential spacing structure comprises a spacing groove and a spacing rib, the spacing groove is disposed at the periphery of the assembly hole, and the spacing rib is disposed at the top of the positioning member and is located at the periphery of the threaded hole.

3. The threaded connection assembly of claim 2, wherein the stop rib is disposed flush with the top of the locating member, the stop slot is disposed in communication with the mounting hole, and the height of the stop rib is disposed to be consistent with the depth of the stop slot.

4. The threaded connection assembly of claim 1, wherein the translation limiting structure comprises a collar structure that mates with a top profile of the positioning member, the collar structure being disposed at a bottom of the piece to be assembled and surrounding a periphery of the assembly hole, the piece to be assembled being sleeved to a top of the positioning member by the collar structure.

5. The threaded connection as defined in claim 4, wherein a top outer wall of the positioning member is provided in an outer tapered surface configuration having an outer diameter gradually increasing in a fitting direction, and an inner wall of the collar configuration is provided in an inner tapered surface configuration having an inner diameter gradually decreasing in the fitting direction.

6. The threaded connection assembly of any one of claims 1-5, wherein the translational stop structure comprises a collar structure that mates with a top profile of the positioning member, the component to be assembled is sleeved to the top of the positioning member by the collar structure, the circumferential stop structure comprises a stop slot disposed at the bottom of the component to be assembled, and a stop rib disposed at the top of the positioning member, and the stop slot and the stop rib are disposed in clearance fit.

7. The threaded connection assembly of claim 1, wherein the circumferential spacing structure comprises a spacing groove and a spacing rib, the spacing rib is disposed at the bottom of the component to be assembled and located at the periphery of the assembly hole, and the spacing groove is disposed at the top of the positioning component and located at the periphery of the threaded hole.

8. The threaded connection assembly of claim 7, wherein the limit groove is configured to communicate with the threaded bore and the height of the limit rib is configured to be less than the depth of the limit groove.

9. The threaded connection assembly of any one of claims 1, 4, 5, 7, 8, wherein the translational stop structure comprises a collar structure that mates with a top profile of the positioning member, the component to be assembled is sleeved to the top of the positioning member by the collar structure, the circumferential stop structure comprises a stop rib disposed at the bottom of the component to be assembled, and a stop groove disposed at the top of the positioning member, and the stop groove is disposed in clearance fit with the stop rib.

10. The threaded connection assembly of claim 1, wherein the translation limiting structure comprises a collar structure that mates with a top profile of the positioning member, the member to be installed is sleeved to the top of the positioning member by the collar structure, and the circumferential limiting structure comprises a notch provided in a side wall of the collar structure, and a protrusion provided in a side wall of the positioning member and mated with the notch.

11. The threaded connection assembly of claim 1, wherein the component to be assembled comprises a circuit board, the threaded connection comprises a screw that secures the circuit board, and the positioning member comprises a screw post that mates with the screw to assemble the circuit board.

12. A fitting assembly, the fitting assembly comprising:

the circuit board is provided with an assembly hole;

a threaded connection assembly as defined in any one of claims 1 to 11, comprising threaded connections and locating members distributed on both sides of the circuit board.