CN220015775U - Dustproof coupling mechanism and press riveting nut - Google Patents
Dustproof coupling mechanism and press riveting nut Download PDFInfo
- Publication number
- CN220015775U CN220015775U CN202321314270.0U CN202321314270U CN220015775U CN 220015775 U CN220015775 U CN 220015775U CN 202321314270 U CN202321314270 U CN 202321314270U CN 220015775 U CN220015775 U CN 220015775U
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- mounting groove
- connecting hole
- flat pad
- flat
- nut
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- 230000007246 mechanism Effects 0.000 title claims abstract description 20
- 230000008878 coupling Effects 0.000 title description 3
- 238000010168 coupling process Methods 0.000 title description 3
- 238000005859 coupling reaction Methods 0.000 title description 3
- 239000000463 material Substances 0.000 claims abstract description 23
- 239000000428 dust Substances 0.000 claims description 10
- 229910000975 Carbon steel Inorganic materials 0.000 claims description 3
- 239000010962 carbon steel Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 6
- 238000001125 extrusion Methods 0.000 abstract description 2
- 238000009434 installation Methods 0.000 description 12
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 230000000903 blocking effect Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 238000010079 rubber tapping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
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- Connection Of Plates (AREA)
Abstract
The embodiment of the utility model provides a dustproof connecting mechanism and a press riveting nut, which comprise: a sheet material; the press riveting nut is attached to the side wall of the plate, a connecting hole is formed in the press riveting nut, a step part is arranged on the inner wall, close to the plate, of the connecting hole, the step part extends along the circumferential direction of the inner wall of the connecting hole to form a mounting groove, and a flat pad disc is mounted in the mounting groove; the mounting groove is close to the end side extrusion of panel and forms the deformation portion, and the deformation portion is contradicted with flat pad dish. In one embodiment, the sheet material is riveted by a clinch nut. The press riveting nut is provided with a connecting hole, and a step part is arranged in the connecting hole. Specifically, the stepped portion in the connecting hole is provided near one side close to the plate material. According to the utility model, one end of the rivet nut is provided with the connecting hole, the connecting hole is internally provided with the mounting groove through the step part, the flat pad disc is mounted in the mounting groove, and the flat pad disc seals the connecting hole, so that a good dustproof effect is realized.
Description
Technical Field
The specification belongs to the technical field of riveting, and especially relates to a dustproof connecting mechanism and a press riveting nut.
Background
In the prior art, the plates are fastened and connected by means of riveting nuts. In general, during the process of connecting the clinch nuts, a large amount of metal scraps and some dust enter the connecting mechanism due to the low tightness of the connecting holes. And the safety of the press riveting nut when the plates are connected is greatly reduced.
In one case, the internal threads of the prior art clinch blind nuts require space for tapping and do not allow for longer complete threads at lower nut heights.
In view of the above problems, no effective solution has been proposed at present.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is presented for the convenience of understanding by those skilled in the art. The above-described solutions are not considered to be known to the person skilled in the art simply because they are set forth in the background of the utility model section.
Disclosure of Invention
The present specification aims to provide a dustproof connecting mechanism and a press riveting nut, so as to solve the above problems.
The dustproof coupling mechanism that this specification provided includes:
a sheet material;
the riveting nut is attached to the side wall of the plate, a connecting hole is formed in the riveting nut, a step part is arranged on the connecting hole close to the inner wall of the plate, the step part extends along the circumferential direction of the inner wall of the connecting hole to form a mounting groove, and a flat pad disc is mounted in the mounting groove;
the mounting groove is close to the end side of the plate and is extruded to form a deformation part, and the deformation part is in contact with the flat pad disc.
Preferably, the deformation portion has a contact surface facing the mounting groove, and the flat pad is pressed toward the edge of the deformation portion to form a slope, and the slope is in close contact with the contact surface.
Preferably, the diameter of the flat pad is larger than the inner diameter of the connection hole, and the diameter of the flat pad is smaller than the inner diameter of the installation groove.
Preferably, the ratio of the thickness of the flat pad disc to the groove depth of the mounting groove is 0.9-1.
Preferably, the flat pad is made of carbon steel, stainless steel or plastic.
Preferably, the central axis of the flat pad coincides with the axis of the mounting groove.
A clinch nut comprising:
a connection hole;
a step part is arranged near one end of the inner wall of the connecting hole, the step part extends along the circumferential direction of the inner wall of the connecting hole to form a mounting groove, and a flat pad disc is arranged in the mounting groove;
the end side of the mounting groove extends towards the opposite direction of the position where the flat pad disc is located to form a deformation part, and the deformation part deforms towards the direction where the central axis of the connecting hole is located and is used for abutting against the flat pad disc.
Preferably, the cross section of the variable part is trapezoid, and the width of the trapezoid close to the mounting groove is larger than the width of the trapezoid far away from the mounting groove.
Preferably, the diameter of the flat pad is larger than the inner diameter of the connection hole, and the diameter of the flat pad is smaller than the inner diameter of the installation groove.
Preferably, the ratio of the thickness of the flat pad disc to the groove depth of the mounting groove is 0.9-1.
Compared with the prior art, the utility model has the beneficial effects that:
1. according to the utility model, one end of the rivet nut is provided with the connecting hole, the connecting hole is internally provided with the mounting groove through the step part, the flat pad disc is mounted in the mounting groove, and the flat pad disc seals the connecting hole, so that a good dustproof effect is realized.
2. According to the nut connecting device, the flat washer can prevent bolts matched with the press riveting nuts from penetrating, so that a longer nut connecting length is achieved.
3. According to the utility model, the thickness of the flat pad disc and the groove depth ratio of the mounting groove are set to be 0.9-1, so that the flat pad disc not only has good sealing performance, but also is more stable in matching of the bolt and the thread.
4. According to the utility model, the section of the deformation part is trapezoidal, and the width of the trapezoid close to the mounting groove is larger than that of the trapezoid far away from the mounting groove, so that the deformation part is more firm in structure in use, and the situation of fracture in the deformation process is avoided.
Drawings
In order to more clearly illustrate the embodiments of the present description or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some of the embodiments described in the present description, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Fig. 1 is a diagram showing a structure before riveting of a dust-proof connection mechanism and a clinch nut according to an embodiment of the present disclosure;
FIG. 2 is a diagram showing a structure after riveting of a dust-proof connection mechanism and a clinch nut according to an embodiment of the present disclosure;
FIG. 3 is a press-riveting nut block diagram of a dust-proof connection mechanism and press-riveting nut provided in an embodiment of the present disclosure;
fig. 4 is a view showing a structure of a dust-proof connection mechanism and a clinch nut according to an embodiment of the present disclosure.
In the figure: 1. a sheet material; 2. riveting a nut; 21. a connection hole; 211. a step portion; 212. a mounting groove; 213. a variable part; 22. a flat pallet.
Detailed Description
In order to make the technical solutions in the present specification better understood by those skilled in the art, the technical solutions in the embodiments of the present specification will be clearly and completely described below with reference to the drawings in the embodiments of the present specification, and it is obvious that the described embodiments are only some embodiments of the present specification, not all embodiments. All other embodiments, which can be made by one of ordinary skill in the art without undue burden from the present disclosure, are intended to be within the scope of the present disclosure.
In the description of the present utility model, it should be noted that the directions or positional relationships indicated by the terms "upper", "middle", "lower", "inner", "outer", "front", "rear", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the apparatus or component to be referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present utility model. The terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art. Hereinafter, an embodiment of the present utility model will be described in terms of its overall structure.
Referring to fig. 1 to 4, an embodiment of the present utility model provides a dust-proof connection mechanism, including:
a plate 1;
the press riveting nut 2 is attached to the side wall of the plate 1, the press riveting nut 2 is provided with a connecting hole 21, the connecting hole 21 is close to the inner wall of the plate 1 and is provided with a step part 211, the step part 211 extends along the circumferential direction of the inner wall of the connecting hole 21 to form an installation groove 212, and a flat pad 22 is installed in the installation groove 212;
the mounting groove 212 is pressed near the end side of the plate material 1 to form a deformation portion 213, and the deformation portion 213 collides with the flat pad 22.
In one embodiment, the sheet material 1 is riveted by means of a rivet nut 2. The clinch nut 2 is provided with a connecting hole 21, and a stepped portion 211 is provided in the connecting hole 21. Specifically, the stepped portion 211 in the connection hole 21 is provided near one side close to the plate material 1. The stepped portion 211 extends along the axial direction of the inner wall of the connection hole 21, and thus a mounting groove 212 whose axis coincides with the axis of the connection hole 21 can be formed. That is, the cross section of the mounting groove 212 is coaxial with the cross section of the connection hole 21.
In the dustproof connecting mechanism, the side wall of the plate 1 is attached to the side wall of the press-riveting nut 2. In a general arrangement, the mounting groove 212 and the connection hole 21 are provided to penetrate. This structure makes it easy for dust or scraps to enter the inside of the connection hole 21 and the connection portion of the installation groove 212 and the plate material 1. At the same time, the person skilled in the art will rivet by means of the cooperation of the screw bolt with the screw thread in the connecting hole 21. It will be appreciated that the bolts will pass through the connecting holes 21 to contact the sheet material 1 and thereby affect the riveting of the sheet material 1. That is, the bolts should be kept short in length to ensure that the sheet material 1 is not damaged during riveting.
In view of the above problems, the inventors of the present utility model set a block between the connection hole 21 and the plate material 1 by installing the flat saucer 22 in the installation groove 212.
With the above structure, when the connecting structure is used, the flat pad 22 can prevent dust, metal scraps and other impurities from entering the connecting position of the press rivet nut 2. Meanwhile, when the bolt is connected with the clinch nut 2, the flat washer 22 blocks the bolt from passing through the connection hole 21.
The mounting groove 212 is provided with a deformation portion 213 formed by extrusion deformation near the end of the plate material 1. The deformation 213 may be pressed by the plate 1 when contacting the plate 1. After the pressing, the deformation portion 213 is deformed toward the center axis of the connecting hole 21. After the deformation is completed, the deformation portion 213 is tightly attached to the flat pad 22 toward the side wall of the mounting groove 212. The abutment of the deformation 213 against the flat pallet 22 may allow the relative position of the flat pallet 22 to be fixed. The structure greatly enhances the stability of the connecting mechanism and obviously improves the dustproof effect.
In the process that the deformation portion 213 is pressed to be deformed, as shown in fig. 2, it is preferable that the deformation portion 213 has a contact surface facing the installation groove 212, and the flat pad 22 is pressed toward the edge of the deformation portion 213 to form a slope, and the slope is in close contact with the contact surface. That is, the deformation portion 213 is provided in a slope with a contact portion with the flat pad 22. The flat pallet 22 is restrained by the inclined structure, so that the surface material of the flat pallet 22 is not damaged, and the deformation part 213 is more stable in deformation.
As described above, in the present embodiment, the flat pad 22 is provided in the mounting groove 212, and the flat pad is fixed by the deformation portion 213. Specifically, the deformation portion 213 is restrained by the inclined surface with respect to the flat pallet 22. This structure makes it possible for the connecting structure to achieve stable riveting while maintaining a good dust-proof effect and for the bolt and the connecting hole 21 to maintain a long threaded connection length.
Preferably, the diameter of the flat washer 22 is larger than the inner diameter of the connection hole 21, and the diameter of the flat washer 22 is smaller than the inner diameter of the installation groove 212. As can be seen from fig. 1 and 2, the flat pallet 22 is mounted in the mounting groove 212, i.e., the diameter of the flat pallet 22 is smaller than the inner diameter of the mounting groove 212. Meanwhile, the flat pad 22 needs to prevent dust from the connection hole 21, that is, the diameter of the flat pad 22 is larger than the inner diameter of the connection hole 21.
In actual operation by those skilled in the art, it is preferable that the ratio of the thickness of flat pad 22 to the groove depth of mounting groove 212 is 0.9 to 1. In other embodiments of the present utility model, the diameter of flat pad 22 is greater than the inner diameter of attachment hole 21, and the diameter of flat pad 22 is less than the inner diameter of mounting groove 212. In order to allow the flat pad 22 to achieve a good dust-proof effect while blocking the bolts, the ratio of the thickness of the flat pad 22 to the groove depth of the mounting groove 212 is set to 0.9 to 1 in the present embodiment. It is to be noted that, when the ratio of the thickness of the flat washer 22 to the groove depth of the mounting groove 212 is set to 1, the side wall of the flat washer 22 facing the plate material 1 and the portion where the clinch nut 2 contacts the plate material 1 are in the same plane.
The flat pad 22 is mounted in the mounting groove 212, and one side wall of the flat pad 22 is in contact with the stepped portion 211. When the groove depth ratio of the thickness of the flat pad 22 to the mounting groove 212 is set to 1, the other side wall of the flat pad 22 is in contact with the plate material 1. Preferably, flat pad 22 is made of carbon steel, stainless steel or plastic.
In actual installation, it is preferable that the central axis of flat pad 22 coincides with the axis of mounting slot 212. The platen 22 is fixed in relative position by the deformation portion 213. In the present embodiment, the central axis of the flat pad 22 coincides with the axis of the mounting groove 212. And thus the area where the deformation portion 213 is combined with the flat pad 22 is everywhere identical. And further, the deformation portion 213 can apply a uniform force to the flat pallet 22, greatly improving the stability of installation of the flat pallet 22.
The embodiment of the specification also provides a press riveting nut, which comprises:
a connection hole 21;
a step part 211 is arranged near one end of the inner wall of the connecting hole 21, the step part 211 extends along the circumferential direction of the inner wall of the connecting hole 21 to form a mounting groove 212, and a flat pallet 22 is arranged in the mounting groove 212;
the end of the mounting groove 212 extends toward the opposite direction of the position of the flat pallet 22 to form a deformation portion 213, and the deformation portion 213 is deformed toward the direction of the central axis of the connection hole 21 for abutting against the flat pallet 22.
The clinch nut 2 provided in this embodiment includes a connection hole 21. In actual operation by a person skilled in the art, the clinch nut 2 is engaged with a bolt by providing threads in the connection block 21 to clinch the sheet material 1.
A step 211 is provided at one end of the inner wall of the connection block 21, and the step 211 extends along the axial direction of the inner wall of the connection hole 21, so that a mounting groove 212 whose axis coincides with the axis of the connection hole 21 can be formed. That is, the cross section of the mounting groove 212 is coaxial with the cross section of the connection hole 21.
In the present embodiment, a flat pallet 22 is provided in the mounting groove 212. The flat pad 22 is provided to seal the connection hole 21. That is, the flat pad 22 can prevent dust and metal scraps from entering the connecting hole, so that the connecting effectiveness of the press riveting nut 2 is greatly improved. Meanwhile, when the bolt is connected with the press-riveting nut 2, the flat pad 22 can block the bolt from penetrating through the connecting hole 21, so that the combination length of the threads in the connecting hole 21 is obviously increased.
In the clinch nut 2 of the present embodiment, the deformation 213 is formed by extending in the opposite direction to the position of the flat washer 22 at the end side of the mounting groove 212. As shown in fig. 1, the deformation portion 213 may be deformed by the action of the plate material 1 or other external forces. Specifically, the deformation portion 213 is deformed toward the middle axis of the connection hole 21 until the deformation portion 213 can abut the flat pad 22.
With the above structure, the setting of the variable portion 213 can fix the relative position of the platen 22. That is, the provision of the deformation portion 213 greatly improves the stability of the clinch nut 2 in use.
Preferably, the cross section of the variation 213 is trapezoidal, and the width of the trapezoid near the mounting groove 212 is greater than the width of the trapezoid far from the mounting groove 212. According to fig. 1, the cross section of the variable portion 213 at the end side is provided in a trapezoid, and the width of the trapezoid near the mounting groove 212 is larger than the width of the trapezoid far from the mounting groove 212. That is, the width of the ends of the variation is smaller than the width of the connection with the mounting groove 212.
By virtue of the above structure, in the process of deforming the deformation portion 213 toward the central axis of the connection hole 21, the stability of the connection portion between the deformation portion 213 and the installation groove 212 is stronger. In general, the connection between the variable portion 213 and the mounting groove 212 is particularly susceptible to breakage or fracture when the external moment is applied to start the deformation. With the above structure, the width of the connection part between the variable part 213 and the mounting groove 212 is larger, so that the connection part between the variable part 213 and the mounting groove 212 can be kept from being damaged in the deformation process, and the feasibility of processing and manufacturing is realized.
Preferably, the diameter of the flat washer 22 is larger than the inner diameter of the connection hole 21, and the diameter of the flat washer 22 is smaller than the inner diameter of the installation groove 212. As can be seen from fig. 1 and 2, the flat pallet 22 is mounted in the mounting groove 212, i.e., the diameter of the flat pallet 22 is smaller than the inner diameter of the mounting groove 212. Meanwhile, the flat pad 22 needs to prevent dust from the connection hole 21, that is, the diameter of the flat pad 22 is larger than the inner diameter of the connection hole 21.
In actual operation by those skilled in the art, it is preferable that the ratio of the thickness of flat pad 22 to the groove depth of mounting groove 212 is 0.9 to 1. In order to allow the flat pad 22 to achieve a good dust-proof effect while blocking the bolts, the ratio of the thickness of the flat pad 22 to the groove depth of the mounting groove 212 is set to 0.9 to 1 in the present embodiment. It is to be noted that, when the ratio of the thickness of the flat washer 22 to the groove depth of the mounting groove 212 is set to 1, the side wall of the flat washer 22 facing the plate material 1 and the portion where the clinch nut 2 contacts the plate material 1 are in the same plane.
Although various embodiments are described in this disclosure, the present utility model is not limited to the specific embodiments described in the industry standard or examples, and some industry standard or embodiments modified in light of the above description may be used to achieve the same, equivalent or similar embodiments or the same or a different embodiment may be implemented in different forms. Examples of data acquisition, processing, output, judgment, etc. using these modifications or variations are still within the scope of alternative embodiments of the present utility model.
Although the present utility model has been described by way of examples, one of ordinary skill in the art will recognize that there are many variations and modifications of the present utility model without departing from the spirit of the utility model, and it is intended that the appended embodiments encompass such variations and modifications without departing from the utility model.
Claims (10)
1. A dust-proof connection mechanism, comprising:
a sheet material;
the riveting nut is attached to the side wall of the plate, a connecting hole is formed in the riveting nut, a step part is arranged on the connecting hole close to the inner wall of the plate, the step part extends along the circumferential direction of the inner wall of the connecting hole to form a mounting groove, and a flat pad disc is mounted in the mounting groove;
the mounting groove is close to the end side of the plate and is extruded to form a deformation part, and the deformation part is in contact with the flat pad disc.
2. The dust attachment mechanism of claim 1, wherein the profile section has a contact surface facing the mounting groove, and the flat washer is pressed toward an edge of the profile section to form a bevel, the bevel being in close contact with the contact surface.
3. The dust attachment mechanism of claim 1, wherein the diameter of the flat washer is greater than the inner diameter of the attachment aperture and the diameter of the flat washer is less than the inner diameter of the mounting slot.
4. The dust-proof connection mechanism according to claim 1, wherein a groove depth ratio of the thickness of the flat pad disc to the mounting groove is 0.9 to 1.
5. The dust attachment mechanism of claim 1, wherein the flat pad is made of carbon steel, stainless steel or plastic.
6. The dust attachment mechanism of claim 1, wherein a central axis of the flat pad disk coincides with an axis of the mounting slot.
7. A clinch nut, comprising:
a connection hole;
a step part is arranged near one end of the inner wall of the connecting hole, the step part extends along the circumferential direction of the inner wall of the connecting hole to form a mounting groove, and a flat pad disc is arranged in the mounting groove;
the end side of the mounting groove extends towards the opposite direction of the position where the flat pad disc is located to form a deformation part, and the deformation part deforms towards the direction where the central axis of the connecting hole is located and is used for abutting against the flat pad disc.
8. The clinch nut of claim 7, wherein the profile of the variation is trapezoidal in cross section, and the width of the trapezoid proximate the mounting groove is greater than the width of the trapezoid distal the mounting groove.
9. The clinch nut of claim 7, wherein the diameter of the flat washer is greater than the inner diameter of the attachment aperture and the diameter of the flat washer is less than the inner diameter of the mounting groove.
10. The clinch nut of claim 7, wherein a groove depth ratio of the flat washer to the mounting groove is from 0.9 to 1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321314270.0U CN220015775U (en) | 2023-05-29 | 2023-05-29 | Dustproof coupling mechanism and press riveting nut |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321314270.0U CN220015775U (en) | 2023-05-29 | 2023-05-29 | Dustproof coupling mechanism and press riveting nut |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220015775U true CN220015775U (en) | 2023-11-14 |
Family
ID=88679347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321314270.0U Active CN220015775U (en) | 2023-05-29 | 2023-05-29 | Dustproof coupling mechanism and press riveting nut |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220015775U (en) |
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2023
- 2023-05-29 CN CN202321314270.0U patent/CN220015775U/en active Active
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