Integrated screw joint device for overlapping and connecting three parts
By using an integrated screw connection device, the three components can be connected simultaneously using transition bolts, which solves the problems of space waste and processing burden in traditional connection methods and achieves higher integration and production efficiency.
Patent Information
- Application Number
- CN202520053858.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-10
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-01-10
AI Technical Summary
In the existing technology, when the three components are stacked and connected, the number of housing slots and mounting platforms is too large, resulting in wasted space, increased processing burden and increased production costs, and is not conducive to the rational layout of electronic components and equipment optimization.
An integrated screw connection device is adopted, in which the studs of the first component and the studs of the third component are placed in the strip groove of the second component through transition bolts. The transition bolts are used to connect to the mounting platform, so that the second component can be connected to the first and third components at the same time, reducing the number of strip grooves and mounting platforms.
It significantly reduces the space occupied by the second component, simplifies processing and production costs, improves production efficiency, and facilitates rational layout and overall optimization.
Smart Images
Figure CN223810030U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a threaded connection device for three components, in particular to an integrated threaded connection device for the stacked connection of three components. BACKGROUND
[0002] In some devices, there are situations of stacked connection between three components, for example, as shown in a kind of electronic equipment, including cabinet and filter, filter includes filter shell 2 and filter cover plate 1, filter cover plate 1 is installed on the top of filter shell 2, filter shell 2 is placed in cabinet and is installed on the top of cabinet bottom plate 3, filter cover plate 1, filter shell 2 and cabinet bottom plate 3 these three components form vertical stacked connection structure. Figure 1 As shown in
[0003] And Figure 1 And Figure 2 In order to facilitate the connection of filter cover plate 1, filter shell 2 and cabinet bottom plate 3, the conventional connection mode is as follows: the lower surface of filter cover plate 1 is provided with a plurality of downward protruding cover plate studs 11, the lower end of cover plate stud is provided with cover plate screw hole 12, the outer wall of filter shell 2 is provided with a plurality of vertical and transverse section "U"-shaped shell grooves 23, the middle section (may also be upper section or lower section) of shell groove 23 is provided with shell mounting table 22, shell mounting table 22 is provided with vertical shell through hole 21, the upper surface of cabinet bottom plate 3 is provided with a plurality of upward protruding cabinet studs 31, the upper end of cabinet stud 31 is provided with cabinet screw hole 32; as shown in Figure 3 When connecting filter cover plate 1 and filter shell 2, the lower section of cover plate stud 11 is placed in the upper section of corresponding shell groove 23, the lower end of cover plate stud 11 is in contact with the upper surface of shell mounting table 22, then screw 4 is passed through shell through hole 21 from bottom to top and is connected with cover plate screw hole 12, so that the threaded connection between filter cover plate 1 and filter shell 2 is realized; as shown in Figure 4 When connecting cabinet bottom plate 3 and filter shell 2, the upper section of cabinet stud 31 is placed in the lower section of corresponding shell groove 23, the upper end of cabinet stud 31 is in contact with the lower surface of shell mounting table 22, then screw 4 is passed through shell through hole 21 from top to bottom and is connected with cabinet screw hole 32, so that the threaded connection between cabinet bottom plate 3 and filter shell 2 is realized.
[0004] The traditional connection mode has the following defects: the same shell groove 23 of the filter shell 2 and the shell mounting table 22 in the shell groove 23 cannot be used for connecting with the filter cover plate 1 and the case bottom plate 3 at the same time, so the number of the shell groove 23 and the shell mounting table 22 on the filter shell 2 is the sum of the number of the cover plate stud 11 on the filter cover plate 1 and the number of the case stud 31 on the case bottom plate 3, which causes the filter shell 2 to need a large amount of space for connecting with the filter cover plate 1 and the case bottom plate 3, thereby reducing the space for installing electronic components in the filter shell 2, being not conducive to the reasonable layout of the electronic components and the overall optimization of the filter, and increasing the processing burden and production cost of the shell groove 23 and the shell mounting table 22, and reducing the production efficiency. Practical new type content
[0005] The utility model discloses a higher integrated degree's integrated screwing device for three components superimposed connection is provided to solve the above -mentioned problem.
[0006] The utility model discloses a higher integrated degree's integrated screwing device for three components superimposed connection is provided to solve the above -mentioned problem.
[0007] A kind of integrated screwing device for three components superimposed connection, including first component, second component, third component and connecting bolt, the second component is equipped with strip-shaped groove, the middle section of the strip-shaped groove is equipped with mounting table, the mounting table is equipped with mounting table through-hole, the axial direction of the mounting table through-hole is same with the length direction of the strip-shaped groove, the first component is equipped with first stud, the first stud is equipped with first screw hole in overhanging end, the third component is equipped with second stud, the second stud is equipped with second screw hole in overhanging end, the integrated screwing device for three components superimposed connection further includes transition bolt, the transition bolt is equipped with bolt center through-hole that is axially through, the first stud is placed in the strip-shaped groove and is located one side of the mounting table and is in close contact, the bolt of the transition bolt in the strip-shaped groove passes through the mounting table through-hole and is placed in the first screw hole and is in threaded connection, the nut of the transition bolt is located the other side of the mounting table and is in close contact, the end of the first screw hole away from the mounting table is axially through to the corresponding surface of the first component and is opened, the second stud is placed in the strip-shaped groove and is in close contact with the nut of the transition bolt, the bolt of the connecting bolt is sequentially through the first screw hole away from the mounting table and the bolt center through-hole and is connected with the second screw hole.
[0008] As preferred, in order to facilitate the installation of the connecting bolt on the first component, the middle section of the first screw hole is provided with a circular annular boss, the circular annular boss separates the first screw hole into two sections, and the hole wall of the section away from the mounting table is not threaded, the center through hole of the circular annular boss has a diameter larger than the outer diameter of the shank of the connecting bolt and smaller than the outer diameter of the nut of the connecting bolt, the shank of the connecting bolt passes through the center through hole of the circular annular boss, and the nut of the connecting bolt is in close contact with the circular annular boss.
[0009] As preferred, in order to improve the strength, the mounting table is integrally formed with the groove wall of the strip-shaped groove.
[0010] The utility model discloses the beneficial effect lies in:
[0011] The utility model discloses a transition bolt with a center through hole is added, so that the first shank of the first component and the second shank of the third component can be placed in the strip-shaped groove of the second component, the first shank is connected with the mounting table of the second component through the transition bolt, and the second shank is connected with the mounting table through the connecting bolt, so that the function that the same strip-shaped groove of the second component and the mounting table in the strip-shaped groove are connected with the first component and the second component simultaneously is realized, the number of the strip-shaped groove and the mounting table on the second component is reduced significantly, the other application space of the second component is increased, the reasonable layout and overall optimization of the second component are favorable, the structure is simplified simultaneously, the machining burden and production cost of machining the strip-shaped groove and the mounting table are reduced, and the production efficiency is improved. ACCURATE DRAWINGS
[0012] Figure 1 It is a three-dimensional structure schematic diagram before the electronic equipment assembly.
[0013] Figure 2 It is the local section structure schematic diagram before the filter cover plate, the filter shell and the case bottom plate are connected. Figure 1 The local section structure schematic diagram after the filter cover plate and the filter shell are connected.
[0014] Figure 3 It is the local section structure schematic diagram after the filter cover plate and the filter shell are connected. Figure 1 The local section structure schematic diagram after the case bottom plate and the filter shell are connected.
[0015] Figure 4 It is the local section structure schematic diagram after the case bottom plate and the filter shell are connected. Figure 1 The local section structure schematic diagram after the case bottom plate and the filter shell are connected.
[0016] Figure 5 It is the local section structure schematic diagram before the integrated screw connection device for the superposition connection of three components is assembled.
[0017] Figure 6It is partial sectional structure schematic diagram of integrated screw connection device for three components superimposed connection after assembly of the utility model. DETAILED DESCRIPTION
[0018] The utility model is further described below in combination with drawings:
[0019] As Figure 5 and Figure 6 The utility model discloses integrated screw connection device for three components superimposed connection includes first component 6, second component 7, third component 9, connecting bolt 5 and transition bolt 8, be equipped with strip-shaped recess 73 on second component 7, and the middle section (here, the middle section is not the middle part, is the part between both ends) of strip-shaped recess 73 is equipped with installation platform 71, and installation platform through-hole 72 is equipped on installation platform 71, and the axial direction of installation platform through-hole 72 is same with the length direction of strip-shaped recess 73, and first stud 63 is equipped on first component 6, and the overhanging end of first stud 63 is equipped with first screw hole 64, and second stud 92 is equipped on third component 9, and the overhanging end of second stud 92 is equipped with second screw hole 91, and transition bolt 8 is equipped with bolt center through-hole 81 that axially penetrates, and first stud 63 is placed in strip-shaped recess 73 and is located one side of installation platform 71 and is closely contacted, and the stud of transition bolt 8 in strip-shaped recess 73 passes through installation platform through-hole 72 and is placed in first screw hole 64 and is connected in screw thread, and the nut 82 of transition bolt 8 is located the other side of installation platform 71 and is closely contacted, and the end of first screw hole 64 away from installation platform 71 is axially penetrated to the corresponding surface of first component 6 and is opened, and second stud 92 is placed in strip-shaped recess 73 and is closely contacted with the nut 82 of transition bolt 8, and the stud of connecting bolt 5 passes through the segment of first screw hole 64 away from installation platform 71 and bolt center through-hole 81 in proper order and is connected with second screw hole 91.
[0020] As preferred, in order to facilitate the installation of connecting bolt 5 on first component 6, the middle section of first screw hole 64 is equipped with circular annular boss 61, which separates first screw hole 64 into two segments, and the hole wall of the segment away from installation platform 71 has no thread. The hole diameter of the center through-hole 62 of circular annular boss 61 is greater than the outer diameter of the stud of connecting bolt 5 and less than the outer diameter of the nut of connecting bolt 5. The stud of connecting bolt 5 passes through the center through-hole 62 of circular annular boss 61, and the nut of connecting bolt 5 is in close contact with circular annular boss 61. In order to improve the strength, the groove wall of installation platform 71 is integrally formed with strip-shaped recess 73.
[0021] As Figure 5 and Figure 6As shown, when connecting, the first stud 63 of the first component 6, the transition bolt 8 and the second stud 92 of the third component 9 are all arranged in the strip-shaped groove 73 of the second component 7, the first stud 63 is arranged on one side of the mounting table 71, the nut 82 of the transition bolt 8 and the second stud 92 are arranged on the other side of the mounting table 71, the stud of the transition bolt 8 is connected with the first threaded hole 64 of the first stud 63 after passing through the mounting table through hole 72, thereby realizing the screw connection between the first component 6 and the second component 7, the stud of the connecting bolt 5 is connected with the second threaded hole 91 of the second stud 92 after passing through the central through hole 62 of the annular boss 61 and the bolt central through hole 81 in turn, that is, the screw connection between the first component 6, the second component 7 and the third component 9 is completed, the same strip-shaped groove 73 and the mounting table 71 of the second component 7 realize the connection with the first component 6 and the third component 9 at the same time, thereby significantly reducing the number of the strip-shaped grooves 73 and the mounting tables 71 on the second component 7, increasing the other application space of the second component 7, facilitating the reasonable layout and overall optimization of the second component 7, simultaneously simplifying the structure, reducing the machining burden and production cost of machining the strip-shaped grooves 73 and the mounting tables 71, and improving the production efficiency.
[0022] In practical application, the first component 6, the second component 7 and the third component 9 can be respectively Figure 1 the filter cover plate 1, the filter shell 2 and the case bottom plate 3 in the filter assembly 1000, and can also be other components, which are specifically determined according to actual needs.
[0023] The above embodiments are only preferred embodiments of the present application, and are not a limitation on the technical scheme of the present application, and any technical scheme realized on the basis of the above embodiments without creative labor should be considered to fall within the protection scope of the patent of the present application.
Claims
1. An integrated screw-connection device for stacking three components, comprising a first component, a second component, a third component, and a connecting bolt, wherein the second component has a strip-shaped groove, a mounting platform is provided in the middle section of the strip-shaped groove, the mounting platform has a mounting platform through hole, the axial direction of the mounting platform through hole is the same as the length direction of the strip-shaped groove, the first component has a first stud, the suspended end of the first stud has a first screw hole, and the third component has a second stud, the suspended end of the second stud has a second screw hole, characterized in that: The integrated screwing device for three-component stack connection further comprises a transition bolt provided with an axial through bolt center through hole, the first stud is placed in the strip-shaped groove and located at one side of the mounting table and in close contact, the stud of the transition bolt placed in the strip-shaped groove passes through the mounting table through hole and is placed in the first screw hole and is screwed, the nut of the transition bolt is located at the other side of the mounting table and in close contact, the end of the first screw hole away from the mounting table is axially through to the corresponding surface of the first component and is open, the second stud is placed in the strip-shaped groove and in close contact with the nut of the transition bolt, the stud of the connecting bolt is sequentially connected with the second screw hole after passing through the first screw hole away from the mounting table and the bolt center through hole.
2. The integrated bolting device for three-component stack-up connection of claim 1, wherein: The middle section of the first screw hole is provided with a circular annular boss, which separates the first screw hole into two sections and the wall of the section away from the mounting table is not threaded, the center through hole of the circular annular boss has a hole diameter larger than the outer diameter of the stud of the connecting bolt and smaller than the outer diameter of the nut of the connecting bolt, the stud of the connecting bolt passes through the center through hole of the circular annular boss, and the nut of the connecting bolt is in close contact with the circular annular boss.
3. The integrated screw connection for three component stack-up according to claim 1 or 2, characterized in that: The mounting table is integrally formed with the groove wall of the strip-shaped groove.