CN112576597A - High-strength ball joint bolt - Google Patents
High-strength ball joint bolt Download PDFInfo
- Publication number
- CN112576597A CN112576597A CN201910933136.0A CN201910933136A CN112576597A CN 112576597 A CN112576597 A CN 112576597A CN 201910933136 A CN201910933136 A CN 201910933136A CN 112576597 A CN112576597 A CN 112576597A
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- Prior art keywords
- turnover
- gasket
- bolt
- head
- strength ball
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- 230000007306 turnover Effects 0.000 claims abstract description 83
- 239000000428 dust Substances 0.000 claims description 14
- 230000013011 mating Effects 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 24
- 238000011900 installation process Methods 0.000 abstract description 6
- 229910000831 Steel Inorganic materials 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 239000010959 steel Substances 0.000 description 3
- 230000006978 adaptation Effects 0.000 description 2
- 238000005034 decoration Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 206010034719 Personality change Diseases 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 238000004088 simulation Methods 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
- F16B35/04—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws with specially-shaped head or shaft in order to fix the bolt on or in an object
- F16B35/041—Specially-shaped shafts
- F16B35/048—Specially-shaped necks
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B33/00—Features common to bolt and nut
- F16B33/004—Sealing; Insulation
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Pivots And Pivotal Connections (AREA)
Abstract
The invention provides a high-strength ball joint bolt. The turnover gasket, the turnover matching body and the sleeve with special structures are designed, and the inclined surface of the sleeve is matched with the inclined surface of the gasket, so that the turnover gasket can be turned over correctly in work, and the mounting failure is avoided; the turnover type gasket and the turnover matching body are connected into a whole through the raised heads and the grooves, the structure is compact, the fastener can realize quick and accurate unilateral fixed connection through the turnover motion of the turnover type gaskets, and the problem of bolt installation failure under certain special working conditions is solved; the turnover type gasket is connected with the turnover matching body before installation, the installation process of the gasket is omitted, after installation is completed, the inner end face of the head of the round head bolt is simultaneously contacted with a plurality of turnover type gaskets in a flat cushion shape, and the turnover type gasket is stressed in multiple circumferential directions, is uniform in stress, good in mechanical property and capable of bearing large bearing capacity.
Description
Technical Field
The invention relates to the technical field of bolt structures, in particular to a high-strength ball joint bolt.
Background
A cylindrical threaded fastener matched with a nut and used as a mechanical part is a fastener consisting of a head part and a screw rod, needs to be matched with the nut and is used for fastening and connecting two parts with through holes. The bolt is widely applied to various industries, but the requirement on the strength of the bolt in different industries, such as the fields of aerospace, petroleum exploration and the like, is higher, but the bolt in the current market hardly completely meets the requirement of various industries, and moreover, the mode of manufacturing the high-strength bolt is generally the turning molding, so that the strength is often difficult to ensure, unsafe phenomena such as turning around, rod part fracture and the like are generated in use sometimes, and the damage to industrial production is great.
When the high-strength ball head loose joint bolt is used, the square neck is embedded into the groove of the connected piece, the height of the protruding surface is reduced, then the screw is screwed down from the reverse side, the connecting piece with the structure has the anti-skidding and stabilizing effect, is not easy to loosen during vibration, and is widely applied to the field of automobile accessories.
The connecting and fastening method has simple structure, convenient operation and good bearing capacity, but is only suitable for the open-section components, and the common bolt and nut connecting and fastening method cannot be used in some special occasions, such as connecting and fastening the closed-section components or the components which are inconvenient to operate on the other side. Such as: in steel pipe structures and steel pipe concrete structures, beam column connection nodes cannot be fastened and installed by the common bolt-nut connection fastening method because steel pipe columns are closed sections and cannot be operated on two sides and can only be connected and installed on one side. At present, no corresponding unilateral bolt product exists in the domestic market, and related published patents weaken too much bolt rods or reduce too few stress points of bolt heads; although similar products appear in foreign markets, the products are difficult to apply large pretension force to bolts in the installation stage so as to form friction type bolt connection joints, the comprehensive mechanical property of the load bearing is not ideal, and the application of the product in building structure earthquake-resistant design is greatly limited.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides the technical problem to be solved, and the high-strength ball joint bolt is simple and reliable in installation process, convenient to disassemble, reusable, good in mechanical property and capable of bearing large bearing capacity.
In order to solve the technical problem, the invention is solved by the following technical scheme:
the invention provides a high-strength ball head loose joint bolt, which comprises a bolt head with a hemispherical round head end, a screw rod, a turnover type gasket component, a sleeve and a gasket, wherein the screw rod is arranged at one end of the bolt head and is coaxial with the bolt head, the turnover type gasket component is sequentially sleeved on the bolt head along the axial direction of the bolt head, the turnover type gasket component comprises a turnover matching body and a plurality of turnover type gaskets, the turnover type gaskets are uniformly distributed on the turnover matching body along the circumferential direction of the turnover matching body and are in rotating connection with the turnover matching body, the turnover type gaskets are matched with the sleeve, a tenon is arranged at the joint of the bolt head and the screw rod, short and thin tooth bodies which are uniformly distributed on the circumference of a column body part close to the lower part of the tenon are arranged on the circumference of the column body, the short and thin tooth bodies protrude out of the outer circumference of the column body, the length, the bolt head, the square neck and the rod part of the screw rod are of an integrated structure formed by cold heading; the lower end of the bolt head extends outwards to form a protruding block, a dust cover is clamped on the protruding block, and one end of the dust cover abuts against a shaft shoulder formed by the protruding block and the lower end of the bolt head.
In the high-strength ball-end loose joint bolt, the section of the thin and short tooth bodies is a triangular sharp tooth, 18-26 thin and short tooth bodies are arranged on the outer circumferential surface of the column part of the fixing bolt, the height of the tooth bodies is not more than 0.5mm, and the angle between adjacent tooth surfaces of adjacent tooth bodies is selected to be 60-75 degrees.
Foretell high strength's bulb loose joint bolt, the head end of convertible gasket is equipped with the gasket inclined plane, and the tail end rotates with the upset cooperation body to be connected, telescopic tip is equipped with the sleeve inclined plane with gasket inclined plane looks adaptation.
Foretell high strength's bulb loose joint bolt, evenly set up a plurality of gasket activity grooves with convertible gasket looks adaptation along circumference on the upset cooperation body, the tail end of convertible gasket is located the gasket activity inslot.
According to the high-strength ball head loose joint bolt, the tail end of the turnover type gasket is provided with the gasket cambered surface matched with the gasket movable groove.
According to the high-strength ball head loose joint bolt, the raised heads are arranged on two sides of the tail end of the turnover type gasket, the grooves matched with the raised heads are formed in the gasket movable grooves, and the raised heads and the grooves are in interference fit.
According to the high-strength ball-end loose joint bolt, the fastener is used for fixing the connecting piece, the connecting piece mounting hole is formed in the connecting piece, and the diameters of the bolt head and the overturning matching body are smaller than the inner diameter of the connecting piece mounting hole.
In the high-strength ball joint bolt, the outer diameter of the sleeve is smaller than or equal to the inner diameter of the mounting hole of the connecting piece.
In the high-strength ball joint bolt, the framework is arranged in one end, abutted against the shaft shoulder, of the dust cover, and the opposite end of the framework is abutted against the outer wall of the screw rod through the arranged clamping ring.
In the high-strength ball joint bolt, the inner wall of the dust cover, which is abutted against the screw rod, is provided with anti-skid lines.
The high-strength ball joint bolt is provided with the turnover type gasket, the turnover matching body and the sleeve which are of special structures, and the inclined surface of the sleeve is matched with the inclined surface of the gasket, so that the turnover type gasket can be turned over correctly in work, and the mounting failure is avoided; the turnover gasket and the turnover matching body are connected into a whole through the raised heads and the grooves, the structure is compact, the fastener can realize quick and accurate unilateral fixed connection through the turnover motion of a plurality of turnover gaskets, the problem of bolt installation failure under certain special working conditions is solved, the installation process is simple and reliable, the disassembly is convenient, the repeated use is realized, the mechanical property is good, and the large bearing capacity can be borne; the turnover type gasket is connected with the turnover matching body before installation, compared with the common gasket, the installation process of the common gasket is omitted, and after installation is finished, the inner end face of the round-head bolt head is simultaneously contacted with a plurality of turnover type gaskets in a flat cushion shape, so that the turnover type gasket is stressed in a circumferential direction at multiple points, is uniformly stressed, has good mechanical property and can bear large bearing capacity; the whole structure is simple and compact, the processing cost is low, the installation and the assembly are convenient, the gasket installation in advance is not needed, the auxiliary of an extra installation tool is not needed, the installation device is easy to use in the actual operation, and the installation efficiency can be greatly improved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following will discuss the drawings required to be used in the embodiments or the technical solutions in the prior art, it is obvious that the technical solutions described in the figures are only some embodiments of the present invention, and for those skilled in the art, other embodiments and drawings thereof can be obtained according to the embodiments shown in the drawings without creative efforts.
FIG. 1 is a schematic structural view of a high strength ball stud of the present invention.
Detailed Description
The technical solutions of the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is to be understood that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments described herein without the need for inventive work, are within the scope of the present invention.
The embodiment of the invention provides a target orbital motion simulation device which can accurately simulate the orbital motion attitude change of a target.
Referring to fig. 1, the invention provides a high-strength ball head loose joint bolt, which comprises a bolt head 3 with a hemispherical round head end, a screw 2 arranged at one end of the bolt head 3 and coaxial with the bolt head 3, and further comprises a turnover type gasket component, a sleeve and a gasket which are sequentially sleeved on the bolt head 3 along the axial direction of the bolt head 3, wherein the turnover type gasket component comprises a turnover matching body and a plurality of turnover type gaskets which are uniformly distributed on the turnover matching body along the circumferential direction of the turnover matching body and are rotationally connected with the turnover matching body, the turnover type gaskets are matched with the sleeve, a tenon 4 is arranged at the joint of the bolt head 3 and the screw 2, thin and short tooth bodies 5 uniformly distributed on the circumference of the cylinder part close to the lower part of the tenon 4 are arranged on the circumference of the cylinder part, the thin and short tooth bodies 5 protrude out of the outer circumference of the cylinder part, and the length direction of the thin, an inner screw hole is formed in the center of the other end of the bolt head 3, and the bolt head 3, the square neck 1 and the rod part of the screw rod 2 are of an integrated structure formed by cold heading; the lower end of the bolt head 3 extends outwards to form a protruding block 6, a dust cover 7 is clamped on the protruding block 6, and one end of the dust cover 7 abuts against a shaft shoulder formed by the protruding block 6 and the lower end of the bolt head 3. The dust cover 7 is for covering the opening of the bolt head 3 to prevent dust from entering into the bolt head 3.
Further, in a preferred embodiment of the high-strength ball joint bolt of the present invention, a skeleton is disposed inside one end of the dust cover 7 abutting against the shaft shoulder, and the opposite end abuts against the outer wall of the screw rod 2 through a collar.
Further, in a preferred embodiment of the high-strength ball joint bolt of the present invention, the inner wall of the dust cover 7 abutting against the screw 2 is provided with anti-slip lines.
Further, in a preferred embodiment of the high-strength ball-end loose joint bolt of the present invention, the section of the short and thin tooth body 5 is a triangular sharp tooth, 18-26 of the short and thin tooth bodies 5 are arranged on the outer circumferential surface of the cylindrical portion of the screw 2, the height of the tooth body is not more than 0.5mm, and the angle between adjacent tooth surfaces of adjacent tooth bodies is selected to be 60-75 degrees.
Further, in a preferred embodiment of the high-strength ball joint bolt of the present invention, the head end of the turnover type gasket is provided with a gasket slope, the tail end of the turnover type gasket is rotatably connected to the turnover fitting body, and the end of the sleeve is provided with a sleeve slope adapted to the gasket slope.
Further, in a preferred embodiment of the high-strength ball stud according to the present invention, the flip mating body is uniformly provided with a plurality of gasket moving grooves adapted to the flip gasket along a circumferential direction, and a tail end of the flip gasket is located in the gasket moving grooves.
Further, in a preferred embodiment of the high-strength ball-end loose joint bolt of the present invention, a gasket arc surface adapted to the gasket moving groove is disposed at the tail end of the flip-type gasket.
Further, in a preferred embodiment of the high-strength ball-end loose joint bolt of the present invention, raised heads are disposed on both sides of the tail end of the turnover type gasket, a groove adapted to the raised head is disposed in the gasket movable groove, and the raised head and the groove are in interference fit.
Further, in a preferred embodiment of the high-strength ball-end loose joint bolt of the present invention, the fastener is used for fixing a connecting member, a connecting member mounting hole is formed in the connecting member, and the diameters of the bolt head 3 and the flip-fit body are both smaller than the inner diameter of the connecting member mounting hole.
Further, in a preferred embodiment of the high strength ball stud of the present invention, the outer diameter of the sleeve is less than or equal to the inner diameter of the attachment hole of the attachment.
The bolt head 3 includes the button head bolt pole and sets up the button head bolt head in button head bolt pole one end, and the fitting surface between this button head bolt head and the upset cooperation body is the plane.
Before installation, the raised heads of all the turnover gaskets are placed in the grooves of the turnover matching bodies to form the turnover gasket assembly. The sleeve slopes can interact with the gasket slopes to guide each rollover gasket to rollover synchronously. Before installation, the turnover type gasket assembly and the sleeve are sleeved on a round-head bolt rod of the round-head bolt 2 and penetrate through one side of the connecting piece installation hole together with the round-head bolt head to the other side; then, the sleeve is abutted, the round-head bolt rod is pulled back, the inclined surface of the sleeve extrudes the inclined surface of the turnover type gasket to guide the turnover type gasket to be turned over integrally, and the outer diameter of the turnover type gasket assembly after turning over is larger than the aperture of the mounting hole of the connecting piece; and continuously pulling back the round-head bolt rod to enable each turnover type gasket to be tightly pressed between the turnover matching body and the inner wall of the connecting piece, and finally fastening the nut and the gasket to finish installation. The turnover type gasket can rotate on the turnover matching body through the matching between the raised head and the groove, and the cambered surface of the gasket can ensure that the turnover type gasket rotates smoothly without obstacles.
The high-strength ball joint bolt is provided with the turnover type gasket, the turnover matching body and the sleeve which are of special structures, and the inclined surface of the sleeve is matched with the inclined surface of the gasket, so that the turnover type gasket can be turned over correctly in work, and the mounting failure is avoided; the turnover gasket and the turnover matching body are connected into a whole through the raised heads and the grooves, the structure is compact, the fastener can realize quick and accurate unilateral fixed connection through the turnover motion of a plurality of turnover gaskets, the problem of bolt installation failure under certain special working conditions is solved, the installation process is simple and reliable, the disassembly is convenient, the repeated use is realized, the mechanical property is good, and the large bearing capacity can be borne; the turnover type gasket is connected with the turnover matching body before installation, compared with the common gasket, the installation process of the common gasket is omitted, and after installation is finished, the inner end face of the round-head bolt head is simultaneously contacted with a plurality of turnover type gaskets in a flat cushion shape, so that the turnover type gasket is stressed in a circumferential direction at multiple points, is uniformly stressed, has good mechanical property and can bear large bearing capacity; the whole structure is simple and compact, the processing cost is low, the installation and the assembly are convenient, the gasket installation treatment in advance is not needed, the auxiliary of an extra installation tool is not needed, the installation device is easy to use in the actual operation, and the installation efficiency can be greatly improved.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the technical principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive. The scope of the invention is indicated by the appended claims, rather than the foregoing description, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (10)
1. A high-strength ball head loose joint bolt comprises a bolt head (3) with a hemispherical round head end, a screw (2) and a square neck (1), wherein the screw (2) and the square neck (1) are arranged at one end of the bolt head (3) and are coaxial with the bolt head (3), the high-strength ball head loose joint bolt is characterized by further comprising a turnover type gasket component, a sleeve and a gasket which are sequentially sleeved on the bolt head (3) along the axial direction of the bolt head (3), the turnover type gasket component comprises a turnover matching body and a plurality of turnover type gaskets which are uniformly distributed on the turnover matching body along the circumferential direction of the turnover matching body and are rotatably connected with the turnover matching body, the turnover type gaskets are matched with the sleeve, a tenon (4) is arranged at the joint of the bolt head (3) and the screw (2), fine and short tooth bodies (5) with uniformly distributed circumferential direction are arranged on the outer circumferential surface of a column body part close to the lower side of, the length direction of the thin and short tooth bodies is consistent with the axial direction of the screw rod (2), an inner screw hole is formed in the center of the other end of the bolt head (3), and the bolt head (3), the square neck (1) and the rod part of the screw rod (2) are of a cold heading integrated structure; the bolt head (3) lower extreme outwards extends and forms protruding piece (6), the joint has dust cover (7) on protruding piece (6), the one end butt of dust cover (7) in protruding piece (6) with the shaft shoulder department that the bolt head (3) lower extreme formed.
2. A high-strength ball stud according to claim 1, wherein said slender shank (5) is a triangular-shaped pointed tooth in cross section, said slender shank (5) has a total of 18 to 26 teeth on the outer circumferential surface of the cylindrical portion of the shank (2), the shank height is not greater than 0.5mm, and the angle between adjacent tooth flanks of adjacent shanks is selected to be between 60 and 75 degrees.
3. The high-strength ball joint bolt according to claim 1, wherein the head end of said flip-type washer has a washer bevel, the tail end of said flip-type washer is rotatably connected to the flip-type mating body, and the end of said sleeve has a sleeve bevel matching with the washer bevel.
4. The high-strength ball joint bolt according to claim 3, wherein a plurality of gasket moving grooves matched with the turnover gasket are uniformly formed in the turnover fitting body along the circumferential direction, and the tail end of the turnover gasket is located in the gasket moving grooves.
5. The high-strength ball joint bolt according to claim 4, wherein the tail end of the turnover washer is provided with a washer arc surface matched with the washer moving groove.
6. The high-strength ball joint bolt according to claim 5, wherein raised heads are arranged on both sides of the tail end of the turnover type gasket, grooves matched with the raised heads are formed in the movable grooves of the turnover type gasket, and the raised heads and the grooves are in interference fit.
7. A high strength ball stud according to claim 1 wherein the fastener is used to secure a connector having a connector mounting hole, the diameter of the head (3) and the diameter of the upset mating body are both smaller than the inner diameter of the connector mounting hole.
8. A high strength ball stud according to claim 7, wherein the external diameter of said sleeve is less than or equal to the internal diameter of the attachment mounting hole.
9. A high strength ball stud according to claim 1 wherein the dust boot (7) is internally provided with a skeleton at one end in abutment with the shoulder and is in abutment with the outer wall of the screw (2) at its opposite end by means of a collar provided.
10. A high-strength ball joint bolt according to claim 9, wherein the inner wall of the dust cover (7) abutting against the screw (2) is provided with anti-slip lines.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933136.0A CN112576597A (en) | 2019-09-29 | 2019-09-29 | High-strength ball joint bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910933136.0A CN112576597A (en) | 2019-09-29 | 2019-09-29 | High-strength ball joint bolt |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112576597A true CN112576597A (en) | 2021-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910933136.0A Pending CN112576597A (en) | 2019-09-29 | 2019-09-29 | High-strength ball joint bolt |
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| Country | Link |
|---|---|
| CN (1) | CN112576597A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478061A (en) * | 2021-07-09 | 2021-10-08 | 杭州职业技术学院 | New energy automobile's projection welding bolt mounting structure |
-
2019
- 2019-09-29 CN CN201910933136.0A patent/CN112576597A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113478061A (en) * | 2021-07-09 | 2021-10-08 | 杭州职业技术学院 | New energy automobile's projection welding bolt mounting structure |
| CN113478061B (en) * | 2021-07-09 | 2023-02-03 | 杭州职业技术学院 | Bolt mounting structure of new energy automobile |
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Application publication date: 20210330 |