CN208749781U - Fastening assembly and build-up member with it - Google Patents

Abstract

The utility model discloses a kind of fastening assembly and with its build-up member, the fastening assembly includes: pedestal, nut, the pedestal has accommodating chamber, the through-hole being connected with the accommodating chamber and positioning region, the nut has threaded hole, the nut is extending at least partially into the accommodating chamber and is entirely located in the same side of the bottom wall of the accommodating chamber, the threaded hole is oppositely arranged with the through-hole, the positioning region limits the nut in the outside of the nut, has between the positioning region and the side wall of the nut and adjusts gap.Thus, it can not only make assembly between fastening assembly and screw rod, disassembly simpler, conveniently, and the leakproofness between the component connected by fastening assembly can be improved, it is convenient that the tightening state of fastening assembly is observed, more importantly can misplace to avoid between screw rod and the threaded hole of nut, Assembly Interference is avoided, to keep the connection of nut and screw rod stronger, reliable, Joint failure is prevented.

Description

Fastening assembly and build-up member with it

Technical field

The utility model relates to nut technical fields, in particular to a kind of fastening assembly and with its assembly Component.

Background technique

In the related technology, it in machinery field, when being attached design to a certain component, needs now to be passed through positioning pin Positioning, and after positioning thread mill drilling or welded nut to be formed as the mounting hole of the component.

But not only first positioning post-processing increases manufacturing cost, reduces production efficiency, error is big, yield rate is lower, And component after processing is completed Assembly Interference may occur between threaded fastener in assembly, it is difficult to install, or even go out Now assemble failure phenomenon.

Utility model content

The utility model aims to solve at least one of the technical problems existing in the prior art.For this purpose, the utility model mentions A kind of fastening assembly out, radial missing can be absorbed in the fastening assembly, with convenient for assembly.

The utility model also proposes a kind of build-up member with above-mentioned fastening assembly.

Fastening assembly according to the utility model first aspect embodiment includes: pedestal, nut, and the pedestal, which has, to be accommodated Chamber, the through-hole being connected with the accommodating chamber and positioning region, the nut have threaded hole, and the nut is extending at least partially into The accommodating chamber is interior and is entirely located in the same side of the bottom wall of the accommodating chamber, and the threaded hole is oppositely arranged with the through-hole, The positioning region limits the nut in the outside of the nut, has between the positioning region and the side wall of the nut and adjusts Internode gap.

It, can be by the relative position of adjusting nut and pedestal, with logical according to the fastening assembly of the utility model embodiment It crosses nut and absorbs radial missing, so that nut and screw rod be made to be located on same axis, and pedestal and nut is made to be located at the same side, It can not only make assembly between fastening assembly and screw rod and disassembly simpler, conveniently, and can be improved through fastening group Leakproofness between the component of part connection, it is convenient that the tightening state of fastening assembly is observed, it is even more important that can to keep away Exempt to misplace between screw rod and the threaded hole of nut, avoid Assembly Interference, thus make the connection of nut and screw rod it is stronger, can It leans on, prevents Joint failure.

Some embodiments according to the present utility model, the pedestal include: bottom plate and two side guard plates, the through-hole shape At on the bottom plate, two side guard plates are connect in the two sides of the bottom plate with the bottom plate respectively, two side shields Plate surrounds the nut jointly.

Further, two side guard plates all have positioning half bore, and it is described fixed that two positioning half bore collectively form Position portion, the nut include nut body and the defining flange for being connected to the nut body, and the defining flange is located at described In accommodating chamber, the nut body is located in two positioning half bore.

Further, the diameter of two positioning half bore is less than the diameter of the defining flange.

In some embodiments, the side guard plate includes side plate and the positioning plate that connect with the side plate, the side plate It is vertically connected at the bottom plate, the positioning plate is parallel to the bottom plate, and each positioning plate is opposite with another positioning plate Side have the positioning half bore.

Further, the bottom plate has in the longitudinal direction positioned at the mounting hole of the two sides of the through-hole, each described The both ends that the length direction along the bottom plate of positioning plate extends are equipped with evacuation recess, and the mounting hole is located at along axial projection In the evacuation recess of the same side of two positioning plates.

Further, from one end far from the nut to one end close to the nut, the width of the evacuation recess It is gradually reduced after first constant.

Optionally, the diameter of the through-hole is greater than the diameter of the threaded hole, and the diameter of the defining flange of the nut is big In the diameter of the positioning half bore.

One end towards the through-hole of some embodiments according to the present utility model, the threaded hole has guide part, The guide part is chamfering.

Build-up member according to the utility model second aspect embodiment includes: the first connector, the second connector, screw rod And such as above-mentioned fastening assembly as described in the examples, the pedestal of the fastening assembly are fixedly connected with first connector, The screw rod sequentially passes through second connector, first connector, the pedestal to be spirally connected with the nut.

The additional aspect and advantage of the utility model will be set forth in part in the description, partially will be from following description In become obvious, or recognized by the practice of the utility model.

Detailed description of the invention

The above-mentioned and/or additional aspect and advantage of the utility model from the description of the embodiment in conjunction with the following figures will Become obvious and be readily appreciated that, in which:

Fig. 1 is the schematic diagram according to the fastening assembly of the utility model embodiment；

Fig. 2 is the cross-sectional view according to the fastening assembly of the utility model embodiment, the first connector and the second connector.

Appended drawing reference:

Fastening assembly 100, the first connector 200, the second connector 300, screw rod 400,

Pedestal 10, bottom plate 11, side guard plate 12, side plate 121, positioning plate 122, nut 20, guide part 21, defining flange 22, Nut body 23,

Accommodating chamber a, bottom wall a1, through-hole b, mounting hole c, threaded hole d, evacuation recess e position half bore f.

Specific embodiment

The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning Same or similar unit or unit with the same or similar functions are indicated to same or similar label eventually.Below by ginseng The embodiment for examining attached drawing description is exemplary, and is only used for explaining the utility model, and should not be understood as to the utility model Limitation.

Below with reference to Fig. 1 to Fig. 2 description according to the fastening assembly 100 of the utility model embodiment.

As shown in Figure 1, including: pedestal 10, nut according to the fastening assembly 100 of the utility model first aspect embodiment 20, pedestal 10 has accommodating chamber a, the through-hole b being connected with accommodating chamber a and positioning region, and nut 20 has threaded hole d, nut 20 are extending at least partially into accommodating chamber a and are entirely located in the same side of the bottom wall a1 of accommodating chamber a, and threaded hole d is opposite with through-hole b to be set It sets, positioning region limits nut 20 in the outside of nut 20, has between positioning region and the side wall of nut 20 and adjusts gap.

It is understood that 20 opposite base 10 of nut can move on edge in accommodating chamber a perpendicular to axially direction, and Motion profile, which is located at, to be adjusted in the limited range of gap.

According to the fastening assembly 100 of the utility model embodiment, the opposite position of adjusting nut 20 and pedestal 10 can be passed through It sets, to absorb radial missing by nut 20, so that nut 20 and screw rod 400 be made to be located on same axis, and makes pedestal 10 Be located at the same side with nut 20, can not only make assembly between fastening assembly 100 and screw rod 400 and disassembly it is simpler, It is convenient, and the leakproofness between the component connected by fastening assembly 100 can be improved, the convenient fastening to fastening assembly 100 State is observed, it is even more important that can be misplaced to avoid between screw rod 400 and the threaded hole d of nut 20, be avoided assembly dry It relates to, to keep nut 20 and the connection of screw rod 400 stronger, reliable, prevents Joint failure.

It should be noted that nut 20 is located at the side that pedestal 10 has accommodating chamber a, to make nut 20 by pedestal 10 It is spaced apart with connecting component, and pedestal 10 and the area of the fit area of connecting component are bigger, to not only can effectively mention The leakproofness of high fastening assembly 100, and the fastening situation of nut 20 can be directly observed, make the fastening to fastening assembly 100 The observation of state is more convenient.

As depicted in figs. 1 and 2, pedestal 10 includes: that bottom plate 11 and two side guard plates 12, through-hole b are formed in bottom plate 11 On, two side guard plates 12 are connect in the two sides of bottom plate 11 with bottom plate 11 respectively, and two side guard plates 12 surround nut 20 jointly.

Specifically, the top of bottom plate 11 is oppositely arranged, there are two side guard plates 12, and the side guard plate 12 being oppositely arranged is at least Part is located at the top of nut 20.As a result, by two side guard plates 12 of setting tentatively to be limited to nut 20, so that nut Between 20 and screw rod 400 tightening operation it is simpler, to realize the Fast Installation of fastening assembly 100.

It should be noted that the surface opposite with nut 20 of bottom plate 11 is formed as the bottom wall a1 of accommodating chamber a, and side guard plate 12 can limit the motion profile of nut 20.

Further, two side guard plates 12 all have positioning half bore f, two positioning half bore f and collectively form positioning region, nut 20 include nut body 23 and the defining flange 22 for being connected to nut body 23, and defining flange 22 is located in accommodating chamber a, nut Ontology 23 is located in two positioning half bore f, and the diameter of two positioning half bore f is less than the diameter of defining flange 22.

Cooperated as a result, by positioning region and defining flange 22 to be limited to nut 20, can not only reduce nut 20 So that the installation of fastening assembly 100 is simpler, conveniently, and nut 20 and spiral shell can be improved in shaking in accommodating chamber a Installation accuracy between bar 400, and prevent nut 20 from deviating from accommodating chamber a, it is steady with the structure for effectively improving fastening assembly 100 It is qualitative.

In some embodiments, side guard plate 12 includes side plate 121 and the positioning plate 122 connecting with side plate 121, side plate 121 are vertically connected at bottom plate 11, and positioning plate 122 is parallel to bottom plate 11, and each positioning plate 122 is opposite with another positioning plate 122 Side have positioning half bore f.

In this way, not only make the structural strength of pedestal 10 higher, but also the side plate 121 that opposed bottom 11 upwardly extends, and The positioning plate 122 that one end is connected to side plate 121 and extends towards, keeps the structure of pedestal 10 more reasonable, can make pedestal 10 Space hold is smaller, to make each surface of pedestal 10 be all formed as smooth under the premise of limiting to nut 20 Plane so that the connection of pedestal 10 and peripheral parts and easier for installation.

Further, bottom plate 11 has in the longitudinal direction positioned at the mounting hole c of the two sides of through-hole b, each positioning plate The both ends that 122 length direction along bottom plate 11 extends are equipped with evacuation recess e, and mounting hole c, which is located at two along axial projection, to be determined In the evacuation recess e of the same side of position plate 122, and from one end far from nut 20 to one end close to nut 20, evacuation recess e Width it is first constant after be gradually reduced.

Pedestal 10 can be connect by mounting hole c with peripheral parts as a result, and can be to avoid pedestal 10 and peripheral parts When connection, positioning plate 122 and fastener are interfered, so that the connection between pedestal 10 and peripheral parts is more convenient.

In addition, the design of evacuation recess e is more reasonable, while being effectively reduced the weight of pedestal 10, make pedestal 10 structure is more stable.

As shown in Figure 1, defining flange 22 is located at the lower part of nut 20, the diameter of two positioning half bore f is greater than nut 20 The diameter of the outer wall on top.

That is, the top of nut 20 can stretch out positioning plate 122, and positioning plate 122 is stretched out on the top of nut 20 Afterwards, defining flange 22 only supports below positioning plate 122 with 122 phase of positioning plate, to prevent nut 20 from deviating from pedestal 10, thus into one Step ground improves positioning plate 122 and defining flange 22 to the limit effect of nut 20, and nut 20 can at least partly stretch out positioning Plate 122 makes easier for installation between fastening assembly 100 and screw rod 400.

As shown in Fig. 2, the diameter of through-hole b is greater than the diameter of threaded hole d, the diameter of the defining flange 22 of nut is greater than positioning The diameter of half bore f.

In this way, nut 20 can be in accommodating chamber a on the one hand when screw rod 400 passes through through-hole b to connect with threaded hole d It is mobile, and keep threaded hole d and screw rod 400 coaxial, and then in above-mentioned connection procedure, the through-hole b greater than threaded hole d can be kept away Exempt from bottom plate 11 to interfere with screw rod 400, cause nut 20 that can not connect with screw rod 400, so that fastening assembly 100 is with higher Job stability.

On the other hand, the diameter of defining flange 22 is made to be greater than the diameter of positioning half bore f, thus two opposite positioning half bore The diameter for the circular hole that f is limited is less than the diameter of defining flange 22, so that nut 20 can be axially toward positioning plate 122 It is mobile, but positioning plate 122 can not be deviate from, to be effectively prevented from the abjection of nut 20.

As shown in Fig. 2, one end towards through-hole b of threaded hole d has guide part 21, guide part 21 is chamfering.Namely It says, in nut 20 towards guide part 21 is provided on one end of through-hole b, so that during the installation process, the pushing and pressing of screw rod 400 are being led To in portion 21, and nut 20 is pushed to move in adjusting interstice coverage, thus realize the quick assembling of screw rod 400 Yu nut 20, Keep the installation between fastening assembly 100 and screw rod 400 simpler, conveniently, assembly efficiency can be improved.

As shown in Fig. 2, including: the first connector 200, according to the build-up member of the utility model second aspect embodiment Fastening assembly 100 in two connectors 300, screw rod 400 and such as above-described embodiment, the pedestal 10 of fastening assembly 100 and first Connector 200 is fixedly connected, screw rod 400 sequentially pass through the second connector 300, the first connector 200, pedestal 10 with nut 20 It is spirally connected.

Specifically, pedestal 10 is fixedly connected with the first connector 200, so that fastening assembly 100 is located at the first connector 200 side, the second connector 300 are located at the other side of the first connector 200, and then screw rod 400 is made to sequentially pass through the second company Fitting 300, the first connector 200 with nut 20 to be spirally connected, to realize the fastening of the first connector 200 and the second connector 300 Connection.

To when the fastening assembly 100 that be fixed on the first connector 200, with the installation through-hole of the second connector 300 it Between there are when radial error, screw rod 400 passes through installation through-hole and is only against on guide part 21, and then pushes nut 20 between adjusting It is moved in gap, so that screw rod 400 is faced with threaded hole d, to realize being spirally connected for the firm part of screw thread and fastening assembly 100.

According to the build-up member of the utility model embodiment, not only fastening assembly 100 can be mounted directly to the first connection On part 200, without carrying out positioning process to the first connector 200, the manufacturing cost of the first connector 200 is reduced, and improve The production efficiency and yield rate of first connector 200, and can prevent from misplacing between threaded hole d and screw rod 400, To avoid Joint failure between screw rod 400 and fastening assembly 100.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", " length ", " width Degree ", " thickness ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside", " suitable The orientation or positional relationship of the instructions such as hour hands ", " counterclockwise ", " axial direction ", " radial direction ", " circumferential direction " is orientation based on the figure Or positional relationship, be merely for convenience of describing the present invention and simplifying the description, rather than the structure of indication or suggestion meaning or Unit must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as the limit to the utility model System.In addition, defining " first ", the feature of " second " can explicitly or implicitly include one or more of the features. In the description of the present invention, unless otherwise indicated, the meaning of " plurality " is two or more.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " illustrative examples ", The description of " example ", " specific example " or " some examples " etc. means specific features described in conjunction with this embodiment or example, knot Structure, material or feature are contained at least one embodiment or example of the utility model.In the present specification, to above-mentioned art The schematic representation of language may not refer to the same embodiment or example.Moreover, description specific features, structure, material or Person's feature can be combined in any suitable manner in any one or more of the embodiments or examples.

While there has been shown and described that the embodiments of the present invention, it will be understood by those skilled in the art that: These embodiments can be carried out with a variety of variations, modification, replacement in the case where not departing from the principles of the present invention and objective And modification, the scope of the utility model are defined by the claims and their equivalents.

Claims (10)

1. a kind of fastening assembly (100) characterized by comprising

Pedestal (10), the pedestal (10) have accommodating chamber (a), the through-hole (b) being connected with the accommodating chamber (a) and positioning Portion；

Nut (20), the nut (20) have threaded hole (d), and the nut (20) is extending at least partially into the accommodating chamber (a) The same side of bottom wall (a1) that is interior and being entirely located in the accommodating chamber (a), the threaded hole (d) is opposite with the through-hole (b) to be set It sets, the positioning region limits the nut (20) in the outside of the nut (20), the positioning region and the nut (20) Side wall between have adjust gap.

2. fastening assembly (100) according to claim 1, which is characterized in that the pedestal (10) includes:

Bottom plate (11), the through-hole (b) are formed on the bottom plate (11)；

Two side guard plates (12), two side guard plates (12) connect in the two sides of the bottom plate (11) and the bottom plate (11) respectively It connects, two side guard plates (12) surround the nut (20) jointly.

3. fastening assembly (100) according to claim 2, which is characterized in that two side guard plates (12) all have fixed Position half bore (f), two positioning half bore (f) collectively form the positioning region, and the nut (20) includes nut body (23) With the defining flange (22) for the side wall for being connected to the nut body (23), the defining flange (22) is located at the accommodating chamber (a) in, the nut body (23) is located in two positioning half bore (f).

4. fastening assembly (100) according to claim 3, which is characterized in that the diameter of two positioning half bore (f) is small Diameter in the defining flange (22).

5. fastening assembly (100) according to claim 3, which is characterized in that the side guard plate (12) includes side plate (121) And the positioning plate (122) being connect with the side plate (121), the side plate (121) is vertically connected at the bottom plate (11), described Positioning plate (122) is parallel to the bottom plate (11), each positioning plate (122) it is opposite with another positioning plate (122) Side has the positioning half bore (f).

6. fastening assembly (100) according to claim 5, which is characterized in that the bottom plate (11) has in length direction The mounting hole (c) of the upper two sides positioned at the through-hole (b), the length along the bottom plate (11) of each positioning plate (122) The both ends that direction extends are equipped with evacuation recess (e), and the mounting hole (c) is located at two positioning plates along axial projection (122) in the evacuation recess (a) of the same side.

7. fastening assembly (100) according to claim 6, which is characterized in that from far from the nut (20) one end to Close to the one end of the nut (20), it is gradually reduced after the width of the evacuation recess (a) is first constant.

8. fastening assembly (100) according to claim 5, which is characterized in that the diameter of the through-hole (b) is greater than the spiral shell The diameter of pit (d), the diameter of the defining flange (22) of the nut (20) are greater than the diameter of positioning half bore (f).

9. fastening assembly (100) according to claim 1, which is characterized in that the threaded hole (d) towards the through-hole (b) one end has guide part (21), and the guide part (21) is chamfering.

10. a kind of build-up member characterized by comprising the first connector (200), the second connector (300), screw rod (400) And fastening assembly (100) as claimed in any one of claims 1-9 wherein, the pedestal (10) of the fastening assembly (100) and institute It states the first connector (200) to be fixedly connected, the screw rod (400) sequentially passes through second connector (300), first company Fitting (200), the pedestal (10) with the nut (20) to be spirally connected.