CN219549305U - Perforated limit bolt - Google Patents
Perforated limit bolt Download PDFInfo
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- CN219549305U CN219549305U CN202320505775.9U CN202320505775U CN219549305U CN 219549305 U CN219549305 U CN 219549305U CN 202320505775 U CN202320505775 U CN 202320505775U CN 219549305 U CN219549305 U CN 219549305U
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- threaded rod
- limit
- section
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Abstract
The utility model relates to the technical field of bolts and discloses a perforated limit bolt which comprises a threaded rod, wherein the threaded rod is provided with a penetrating section penetrating through non-circular through holes of two components, and the outer end of the penetrating section is provided with an end head abutting on the components; the threaded rod is provided with a connecting section, and the periphery of the connecting section is provided with external threads matched with the nut; the periphery of the penetrating section is provided with a limiting structure for limiting the threaded rod to rotate relative to the non-circular through hole; the threaded rod is internally provided with a through hole for the connecting piece to pass through, the through hole extends outwards to penetrate through the connecting section, and the through hole extends inwards to penetrate through the penetrating section and the end head; the limiting structure can limit the rotation between the penetrating section and the non-circular through hole, the clamping between the end head and the nut is utilized to fixedly connect the two components in the overlapped mode, when the components are required to be connected with the external structure, the connecting piece can directly penetrate through the through hole, the components are connected with the external structure through the connecting piece, the structural functions of the perforated limiting bolt are diversified, and various requirements are met.
Description
Technical Field
The utility model relates to the technical field of bolts, in particular to a perforated limit bolt.
Background
The bolt belongs to mechanical parts, and is matched with the nut to be used as a fastener. The bolt is various in type and shape, and different types are selected according to different practical applications.
In practical application, two components that coincide and arrange are fixed connection often with the bolt, pass in two components with the bolt, the end butt of bolt is on the component, utilizes nut and bolt cooperation, with fixed connection between two components for fixed coincide is in the same place between two components, and the bolt wears to establish in two components, forms the junction site.
In the prior art, when two components fixedly connected by bolts need to be connected with an external structure, at this time, as the bolts are arranged on the connecting positions, the connecting structures are arranged at other positions of the components, so that the components and the external structure can be connected, and the existing bolts have the defect of single structural function.
Disclosure of Invention
The utility model aims to provide a perforated limit bolt and aims to solve the problem of single structural function of the bolt in the prior art.
The utility model is realized in such a way that the perforating limit bolt is penetrated in the non-circular through holes of the two components which are arranged in a superposition way and comprises a threaded rod, wherein the threaded rod is provided with a penetrating section penetrated in the non-circular through holes of the two components, and the outer end of the penetrating section is provided with an end head which is abutted on the components; the threaded rod is provided with a connecting section extending out of the non-circular through hole, the connecting section is butted at the inner end of the penetrating section, and the periphery of the connecting section is provided with external threads matched with the nut;
the periphery of the penetrating section is provided with a limiting structure for limiting the threaded rod to rotate relative to the non-circular through hole; the threaded rod is internally provided with a through hole for the connecting piece to pass through, the through hole is arranged along the axial extension of the threaded rod, the through hole extends outwards to penetrate through the connecting section, and the through hole extends inwards to penetrate through the penetrating section and the end head.
Further, the periphery of the penetrating section protrudes outwards to form the limiting structure.
Further, the limit structure comprises a limit boss formed on the periphery of the penetrating section, and the inner side wall of the outer Zhou Yufei round through hole of the limit boss is abutted to limit the threaded rod to rotate relative to the non-round through hole.
Further, the outer peripheral surface of the limiting boss is abutted against the inner side wall of the non-circular through hole in a fit mode.
Further, the non-circular through hole is a hexagonal non-circular through hole, the periphery of the limiting boss is provided with a peripheral side wall, the peripheral side wall is enclosed to form a hexagonal shape, and the peripheral side wall surface of the limiting boss is attached to and abutted against the inner side wall of the hexagonal non-circular through hole.
Further, the limiting boss is arranged in the non-circular through hole of one component in a penetrating mode and extends into the non-circular through hole of the other component, and the thickness of the limiting boss is smaller than the thickness of the two non-circular through holes in an aligned and overlapped mode.
Further, the outer end of the connecting section extends to the outside of the non-circular through hole and extends outwards, and the inner end of the connecting section extends to the inside of the non-circular through hole.
Further, the end head is provided with an outer abutting surface which is arranged outwards and abuts against a connecting piece penetrating through the through hole, the outer abutting surface is arranged in a ring shape and surrounds the periphery of the through hole; the outer abutting surface is provided with a concave-convex structure.
Further, the diameter of the through hole is gradually reduced in the direction from outside to inside of the threaded rod.
Further, the tip has an inner abutment surface disposed inwardly and abutting against the member, the inner abutment surface being disposed annularly around the outer periphery of the through hole; the middle part of the inner abutting surface is recessed outwards to form an annular groove, the annular groove is arranged around the periphery of the through hole, and an annular opening is formed on the inner abutting surface;
the bottom of the annular groove is outwards recessed away from the through hole to form an outer expansion annular groove, the outer expansion annular groove is circumferentially arranged around the annular groove, a plurality of continuous non-circular through holes are arranged in the end head, the continuous non-circular through holes are circumferentially arranged around the annular groove, the inner ends of the continuous non-circular through holes are communicated with the outer expansion groove, and the outer ends of the continuous non-circular through holes penetrate through the inner abutting surface to form a communication opening; the annular groove, the outer expanding annular groove and the continuous non-circular through hole are mutually communicated to form an annular cavity;
the annular cavity is filled with an integrated elastic ring, and the elastic ring extends out of the annular opening and the communication opening respectively; when the inner abutment surface is pressed against the member, the elastic ring is pressed to elastically deform toward the inside of the annular cavity. .
Compared with the prior art ， According to the perforated limit bolt provided by the utility model, the penetrating section is utilized to penetrate through the non-circular through holes of the two components, the limit structure can limit the rotation between the penetrating section and the non-circular through holes, the nut is arranged on the connecting section, the two superposed components are fixedly connected by utilizing the clamping between the end head and the nut, when the components need to be connected with an external structure, the connecting piece can directly penetrate through the through holes, the components are connected with the external structure by utilizing the connecting piece, other connecting structures do not need to be arranged on the components, the structural functions of the perforated limit bolt are diversified, and various requirements are met.
Drawings
FIG. 1 is a schematic cross-sectional view of a perforated limit bolt provided by the present utility model;
fig. 2 is a schematic view, partially in section, of the interior of a tip provided by the present utility model.
Detailed Description
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
The implementation of the present utility model will be described in detail below with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present utility model, it should be understood that, if there is an azimuth or positional relationship indicated by terms such as "upper", "lower", "left", "right", etc., based on the azimuth or positional relationship shown in the drawings, it is only for convenience of describing the present utility model and simplifying the description, but it is not indicated or implied that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus terms describing the positional relationship in the drawings are merely illustrative and should not be construed as limitations of the present patent, and specific meanings of the terms described above may be understood by those skilled in the art according to specific circumstances.
Referring to fig. 1-2, a preferred embodiment of the present utility model is provided.
The perforating limit bolt is penetrated in the non-circular through holes of the two components which are arranged in a superposition way and comprises a threaded rod, the threaded rod is provided with a penetrating section 104 penetrated in the non-circular through holes of the two components, and the outer end of the penetrating section 104 is provided with an end 105 which is abutted on the components; the threaded rod is provided with a connecting section 102 extending out of the non-circular through hole, the connecting section 102 is butted at the inner end of the penetrating section 104, and the outer periphery of the connecting section 102 is provided with an external thread 103 matched with the nut.
A limiting structure is arranged on the periphery of the penetrating section 104, and the limiting structure limits the threaded rod to rotate relative to the non-circular through hole; the threaded rod is provided with a through hole 101 for the connecting piece to pass through, the through hole 101 is arranged along the axial extension of the threaded rod, the through hole 101 extends outwards to penetrate through the connecting section 102, and the through hole 101 extends inwards to penetrate through the penetrating section 104 and the end 105.
In practical application, the component can be two plates, and after the plates coincide, utilize perforation limit bolt to fix two plates together, form overall structure, when overall structure need be connected with other structures, then can utilize the connecting piece to pass through hole 101, be connected overall structure and other structures fixed, perforation limit bolt's arrangement can not influence the position arrangement of connecting piece.
The perforation limit bolt provided by the above, utilize to wear to establish section 104 and pass the non-round through-hole of two components, and limit structure can restrict to wear to establish and rotate between section 104 and the non-round through-hole, set up the nut on linkage segment 102, utilize the centre gripping between end 105 and the nut, with two superimposed component fixed connection, when the component needs to be connected with external structure, the connecting piece then can directly pass through-hole 101, utilize the connecting piece to be connected component and external structure, no longer need set up other connection structure on the component, perforation limit bolt's structural function is diversified, satisfy various demands.
In this embodiment, the outer portion Zhou Chaowai of the penetrating segment 104 protrudes to form the above-mentioned limiting structure, and by providing the protruding limiting structure, the forming of the limiting structure is facilitated.
The limit structure comprises a limit boss formed on the periphery of the penetrating section 104, the inner side wall of the outer Zhou Yufei round through hole of the limit boss is abutted, and the threaded rod is limited to rotate relative to the non-round through hole.
Specifically, the outer peripheral surface of the limiting boss is abutted against the inner side wall of the non-circular through hole in a fitting manner, and therefore the rotation of the screw relative to the non-circular through hole is limited under the abutting engagement of the inner side wall of the outer Zhou Yufei circular through hole of the limiting boss.
As a preferred embodiment, the non-circular through hole is a hexagonal non-circular through hole, the periphery of the limiting boss is provided with a peripheral side wall, the peripheral side wall is enclosed to form a hexagonal shape, and the peripheral side wall surface of the limiting boss is attached to and abutted against the inner side wall of the hexagonal non-circular through hole. Of course, according to actual needs, the non-circular through holes can also be polygonal non-circular through holes, and are not limited to hexagonal non-circular through holes.
The limiting boss is arranged in the non-circular through hole of one component in a penetrating way and extends into the non-circular through hole of the other component, and the thickness of the limiting boss is smaller than the thickness of the alignment superposition of the two non-circular through holes. Thus, the limiting boss is placed in the two non-circular through holes, so that the nut and the end 105 can not be affected to clamp and fix the two overlapped components in opposite directions.
The outer end of the connection section 102 extends out of the non-circular through hole, extends outwards and is arranged, and the inner end of the connection section 102 extends into the non-circular through hole. Thus, when the nut is mated with the connector segment 102, the connector segment 102 may have a length sufficient for the nut to be threaded in to press the nut against the member.
The tip 105 has an outer abutment surface 107 disposed outwardly and abutting against a connector passing through the through hole 101, the outer abutment surface 107 being disposed in a ring shape, surrounding the outer periphery of the through hole 101; the outer abutment surface 107 is provided with a concave-convex structure. In this way, when the connector is inserted into the through hole 101, when the connector needs to abut on the outer abutment surface 107, the frictional force of abutment between the two can be increased, so that the connection is more stable.
The diameter of the through hole 101 is gradually reduced from the outside to the inside of the threaded rod, so that the centering and positioning of the connecting piece are facilitated in the process that the connecting piece passes through the through hole 101.
In this embodiment, the tip 105 has an inner abutment surface 106 disposed inwardly and abutting against the member, the inner abutment surface 106 being disposed in a ring shape, surrounding the outer periphery of the through hole 101; the middle portion of the inner abutment surface 106 is recessed outward to form an annular groove 201, the annular groove 201 is disposed around the outer periphery of the through hole 101, and the annular groove 201 forms an annular opening on the inner abutment surface 106.
The bottom of the annular groove 201 is outwards recessed away from the through hole 101 to form an external expansion annular groove 202, the external expansion annular groove 202 is circumferentially arranged around the annular groove 201, a plurality of continuous non-circular through holes 203 are formed in the end head 105, the plurality of continuous non-circular through holes 203 are circumferentially arranged around the annular groove 201, the inner ends of the continuous non-circular through holes 203 are communicated with the external expansion groove, and the outer ends of the continuous non-circular through holes 203 penetrate through the inner abutting surface 106 to form a communication opening; the annular groove 201, the outer expanding annular groove 202 and the continuous non-circular through hole 203 are communicated with each other to form an annular cavity.
The annular cavity is filled with an integrated elastic ring, and the elastic ring extends out of the annular opening and the communication opening respectively; when the inner abutment surface 106 is pressed against the member, the resilient ring is pressed to resiliently deform towards the interior of the annular cavity.
After the inner abutting surface 106 abuts against the surface of the member, the elastic deformation of the elastic ring is utilized to make the connection between the nut and the connecting section 102 more stable, the nut is pressed against the member more stably, and the elastic ring forms two annular elastic abutting joints at the annular opening and the communication opening, so that the sealing effect is also better.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The perforating limit bolt is characterized by being arranged in non-circular through holes of two components in overlapping mode in a penetrating mode and comprising a threaded rod, wherein the threaded rod is provided with a penetrating section which is arranged in the non-circular through holes of the two components in a penetrating mode, and the outer end of the penetrating section is provided with an end head which is abutted to the components; the threaded rod is provided with a connecting section extending out of the non-circular through hole, the connecting section is butted at the inner end of the penetrating section, and the periphery of the connecting section is provided with external threads matched with the nut;
the periphery of the penetrating section is provided with a limiting structure for limiting the threaded rod to rotate relative to the non-circular through hole; the threaded rod is internally provided with a through hole for the connecting piece to pass through, the through hole is arranged along the axial extension of the threaded rod, the through hole extends outwards to penetrate through the connecting section, and the through hole extends inwards to penetrate through the penetrating section and the end head.
2. The perforated limit bolt of claim 1, wherein the periphery of the pass-through section protrudes outwardly forming the limit structure.
3. The perforated limit bolt of claim 2, wherein the limit structure comprises a limit boss formed on the periphery of the penetrating segment, and wherein an inner sidewall of an outer Zhou Yufei circular through hole of the limit boss abuts against and limits rotation of the threaded rod relative to the non-circular through hole.
4. The perforated limit bolt of claim 3, wherein the outer circumferential surface of the limit boss is abutted against the inner side wall of the non-circular through hole.
5. The perforated limit bolt of claim 4, wherein the non-circular through hole is a hexagonal non-circular through hole, the periphery of the limit boss is provided with a peripheral side wall, the peripheral side wall is enclosed to form a hexagonal shape, and the peripheral side wall surface of the limit boss is abutted against the inner side wall of the hexagonal non-circular through hole.
6. The perforated limit bolt of claim 3, wherein the limit boss is inserted into the non-circular through hole of one member and extends into the non-circular through hole of the other member, and the thickness of the limit boss is smaller than the thickness of the aligned overlapping of the two non-circular through holes.
7. The perforated stop bolt of any of claims 1-6, wherein an outer end of the connecting section extends out of the non-circular through hole, an outer end of the connecting section extends outwardly into the non-circular through hole, and an inner end of the connecting section extends into the non-circular through hole.
8. The piercing stop bolt of any one of claims 1-6, wherein the head has an outer abutment surface disposed outwardly and abutting a connector passing through the through-hole, the outer abutment surface being disposed annularly around the periphery of the through-hole; the outer abutting surface is provided with a concave-convex structure.
9. The piercing stop bolt according to any one of claims 1-6, wherein the diameter of the through-hole is tapered in an outside-in direction of the threaded rod.
10. The perforated limit bolt of any of claims 1 to 6, wherein the head has an inner abutment surface disposed inwardly and abutting against a member, the inner abutment surface being disposed annularly around the periphery of the through hole; the middle part of the inner abutting surface is recessed outwards to form an annular groove, the annular groove is arranged around the periphery of the through hole, and an annular opening is formed on the inner abutting surface;
the bottom of the annular groove is outwards recessed away from the through hole to form an outer expansion annular groove, the outer expansion annular groove is circumferentially arranged around the annular groove, a plurality of continuous non-circular through holes are arranged in the end head, the continuous non-circular through holes are circumferentially arranged around the annular groove, the inner ends of the continuous non-circular through holes are communicated with the outer expansion groove, and the outer ends of the continuous non-circular through holes penetrate through the inner abutting surface to form a communication opening; the annular groove, the outer expanding annular groove and the continuous non-circular through hole are mutually communicated to form an annular cavity;
the annular cavity is filled with an integrated elastic ring, and the elastic ring extends out of the annular opening and the communication opening respectively; when the inner abutment surface is pressed against the member, the elastic ring is pressed to elastically deform toward the inside of the annular cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505775.9U CN219549305U (en) | 2023-03-09 | 2023-03-09 | Perforated limit bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320505775.9U CN219549305U (en) | 2023-03-09 | 2023-03-09 | Perforated limit bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219549305U true CN219549305U (en) | 2023-08-18 |
Family
ID=87729146
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320505775.9U Active CN219549305U (en) | 2023-03-09 | 2023-03-09 | Perforated limit bolt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219549305U (en) |
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2023
- 2023-03-09 CN CN202320505775.9U patent/CN219549305U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |