CN112360866A - Anti-loose combined bolt - Google Patents
Anti-loose combined bolt Download PDFInfo
- Publication number
- CN112360866A CN112360866A CN202011244339.8A CN202011244339A CN112360866A CN 112360866 A CN112360866 A CN 112360866A CN 202011244339 A CN202011244339 A CN 202011244339A CN 112360866 A CN112360866 A CN 112360866A
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- limiting
- bolt
- pawl
- rod
- wall
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- 238000003780 insertion Methods 0.000 claims description 18
- 230000037431 insertion Effects 0.000 claims description 18
- 230000008878 coupling Effects 0.000 claims description 14
- 238000010168 coupling process Methods 0.000 claims description 14
- 238000005859 coupling reaction Methods 0.000 claims description 14
- 230000007246 mechanism Effects 0.000 claims description 7
- 230000000994 depressogenic effect Effects 0.000 claims description 6
- 230000000712 assembly Effects 0.000 claims description 2
- 238000000429 assembly Methods 0.000 claims description 2
- 238000010276 construction Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
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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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/32—Locking by means of a pawl or pawl-like tongue
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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
- F16B39/00—Locking of screws, bolts or nuts
- F16B39/22—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening
- F16B39/28—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt
- F16B39/38—Locking of screws, bolts or nuts in which the locking takes place during screwing down or tightening by special members on, or shape of, the nut or bolt with a second part of the screw-thread which may be resiliently mounted
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The application discloses locking combination formula bolt that takes off, including bolt, double-screw bolt, nut, spacing post, screwed pipe, spacing dish, spliced eye, spacing sleeve pipe, ratchet, pawl, chute, limiting plate, spring, spliced pole, go up depression bar, cushion, encloser, spacing apron, pull pole, last horizontal pole, sheer pole, mounting, fixed orifices. The application has the advantages that: the utility model provides a can realize auto-lock and anti-drop's combination formula bolt structure, the double-screw bolt and the screwed pipe through mutual threaded connection realize treating the fixed article fixed, simultaneously because the screw thread rotation on double-screw bolt and screwed pipe surface is opposite, can realize anti-drop's purpose.
Description
Technical Field
The application relates to a bolt, in particular to an anti-loosening combined bolt.
Background
The bolt is a cylindrical threaded fastener fitted with a nut. A fastener consisting of a head part and a screw (a cylinder with external threads) needs to be matched with a nut and is used for fastening and connecting two parts with through holes. This form of connection is known as a bolted connection. If the nut is unscrewed from the bolt, the two parts can be separated, so that the bolt connection belongs to detachable connection.
However, in the fixing structure using the bolt, when the fixed member and the object receive external force or need to vibrate, the bolt often rotates slightly due to vibration, so that the bolt loosens, and a great potential safety hazard exists.
Disclosure of Invention
A combination anti-loosening bolt, comprising: the device comprises a stud, a nut, a limiting column, a threaded pipe, a limiting disc, a limiting clamping component, a limiting component, an auxiliary mounting mechanism and a fixing piece; wherein, the top rigid coupling of double-screw bolt has the nut of disc type structure, the top rigid coupling of nut has the spacing post that is used for the construction bolt, spacing post is hexagonal prism structure, the screwed pipe cup joints on the surface of double-screw bolt, and the length of double-screw bolt is greater than spacing sheathed tube length, the external screw thread has all been seted up to the surface of double-screw bolt and screwed pipe, and the rotation direction of the external screw thread on double-screw bolt and screwed pipe surface is opposite, set up the internal thread on the inner wall of screwed pipe, the internal thread on the screwed pipe inner wall and the external screw thread that the double-screw bolt surface was seted up intermesh, set up the fixed orifices on the mounting, the fixed orifices comprises the lower connecting hole interconnect that the last connecting hole that the pipe diameter is great and the pipe diameter is less, the one side that the last connecting hole is close to the mounting surface sets up, the internal thread has all been seted, the inner wall of the lower connecting hole is in threaded connection with the surface of the stud, and a limiting disc in lap joint with the surface of the fixing piece is fixedly sleeved on the outer surface of the threaded pipe.
Further, spacing joint subassembly includes limit sleeve, ratchet, pawl, limiting plate and spring, limit sleeve cup joints on nut bottom lateral wall, limit sleeve sets up with the double-screw bolt is concentric, the ratchet has a plurality of, and a plurality of ratchet is annular array and distributes on limit sleeve's inside wall, the pawl rotates to be connected on screwed pipe top outer wall, and the quantity of pawl more than two, also is annular array and distributes on the screwed pipe outer wall, pawl and ratchet overlap joint.
Further, the pawl is crescent structure, and two lateral walls of pawl are bellying and depressed part respectively, the pawl passes through depressed part and ratchet overlap joint, the one end of rigid coupling spring on the depressed part, the other end rigid coupling of spring to the outer wall of screwed pipe, one side of bellying is provided with the limiting plate, the limiting plate rigid coupling is at the screwed pipe outer wall.
Furthermore, the limiting plate is bonded with a rubber plate, the limiting plate is in lap joint with the protruding part of the pawl through the rubber plate, and the surface of the pawl is provided with an inclined groove.
Furthermore, the number of the limiting assemblies is consistent with that of the pawls, each limiting assembly comprises an insertion rod, an upper pressing rod and a cushion block, the insertion rods are inserted into the limiting discs through insertion holes, and the insertion holes are distributed along the radial direction of the limiting discs.
Furthermore, the bottom of the tail end of the inserting hole is fixedly connected with a cushion block, an upper pressure rod is inserted into the top of the cushion block, the bottom end of the upper pressure rod is inserted into the limiting disc and extends into the inserting hole, the upper pressure rod is located at the bottom of the pawl, and each upper pressure rod corresponds to the inclined groove on each pawl one to one.
Further, supplementary installation mechanism includes outer housing, spacing apron, pull pole, last horizontal pole and sheer pole, the outer housing is formed by two body rigid couplings that distribute along vertical direction, and sliding connection has spacing apron on the body inner wall that is located the top, set up the spacing chamber that can with spacing post joint on the lateral wall of spacing apron bottom, the rigid coupling of top end face center department of spacing apron has the pull pole, the pull pole top runs through outer housing top lateral wall and extends to the outer housing outside, the top rigid coupling of pull pole rather than the vertically last horizontal pole, the sheer pole that the horizontal direction set up is followed to the surface rigid coupling of outer housing.
Furthermore, the surface of the outer housing is inserted with an insertion rod to form a through hole, and the insertion rod is sequentially inserted with the outer housing and the limiting disc.
Furthermore, the inserting end part of the inserting rod is of an inclined plane structure.
Furthermore, the chute is arranged at the bottom end of the surface of the protruding part of the pawl, and the chute and the inner wall of the lap joint of the upper pressure rod are obliquely arranged from bottom to top towards one side of the upper pressure rod.
The application has the advantages that: the utility model provides a can realize auto-lock and anti-drop's combination formula bolt structure.
Drawings
In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art that other drawings can be obtained according to the drawings without inventive exercise.
FIG. 1 is a perspective view of a combination bolt according to an embodiment of the present application;
FIG. 2 is a schematic sectional view of the embodiment of FIG. 1;
FIG. 3 is a schematic view of a stud to threaded pipe connection according to the embodiment of FIG. 1;
FIG. 4 is an enlarged view of a portion of the embodiment shown in FIG. 2;
FIG. 5 is a schematic top view of the spacing clip assembly of the embodiment of FIG. 1;
FIG. 6 is a side view of the spacing clip assembly of the embodiment of FIG. 1;
FIG. 7 is a schematic perspective view of the embodiment of FIG. 1 showing a stud, nut, and stop collar;
FIG. 8 is a schematic perspective view of the threaded pipe and the limiting plate in the embodiment of FIG. 1;
FIG. 9 is a perspective view of the pawl of the embodiment of FIG. 1;
fig. 10 is a schematic structural view of a positional relationship between the fixing member and the fixing hole according to the embodiment shown in fig. 1.
The meaning of the reference symbols in the figures: a bolt 100; a stud 101; a nut 102; a stopper post 102 a; a threaded pipe 103; a limiting disc 104; a plug hole 104 a; a limit sleeve 105; a ratchet 106; a pawl 107; a chute 107 a; a limit plate 107 b; a spring 107 c; a plug-in rod 108; an upper pressure lever 109; a cushion block 110; an outer casing 111; a limit cover plate 112; a pull rod 112 a; an upper cross bar 113; a lower cross bar 114; a fixing member 115; and a fixing hole 116.
Detailed Description
In order to make the purpose, features and advantages of the present application more obvious and understandable, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the embodiments described below are only a part of the embodiments of the present application, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
The technical scheme of the application is further explained by the specific implementation mode in combination with the attached drawings.
In the description of the present application, it is to be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing the present application and simplifying the description, and do not indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present application.
Referring to fig. 1 to 10, a loose prevention sectional bolt 100 includes: the device comprises a stud 101, a nut 102, a limiting column 102a, a threaded pipe 103, a limiting disc 104, a limiting clamping component, a limiting component, an auxiliary mounting mechanism and a fixing piece 115;
wherein, the top of the stud 101 is fixedly connected with a nut 102 with a disc-shaped structure, the top of the nut 102 is fixedly connected with a limit post 102a for installing the bolt 100, the limit post 102a is in a hexagonal prism structure, the limit fixing between a limit cover plate 112 and the limit post 102a is realized in the horizontal direction by the clamping between the limit post 102a and the limit cavity of the hexagonal prism structure, the threaded pipe 103 is sleeved on the surface of the stud 101, the length of the stud 101 is greater than that of the limit sleeve 105, namely, the stud 101 protrudes and is in threaded connection with the surface of the bottom of the threaded pipe 103 and the lower connecting hole, the fixing is realized, the outer surfaces of the stud 101 and the threaded pipe 103 are both provided with external threads, the rotating directions of the external threads on the surfaces of the stud 101 and the threaded pipe 103 are opposite, the inner wall of the threaded pipe 103 is provided with internal threads, the internal threads on the inner wall of the threaded pipe 103 are meshed with, the fixing hole 116 is formed by connecting an upper connecting hole with a larger pipe diameter and a lower connecting hole with a smaller pipe diameter, the upper connecting hole is arranged at one side close to the surface of the fixing piece 115, internal threads are arranged on the inner surfaces of the upper connecting hole and the lower connecting hole, the inner wall of the upper connecting hole is in threaded connection with the surface of the threaded pipe 103, the inner wall of the lower connecting hole is in threaded connection with the surface of the stud 101, a limiting disc 104 lapped with the surface of the fixing piece 115 is fixedly sleeved on the outer surface of the threaded pipe 103, when the object is fixed through the bolt 100, the object to be fixed is firstly placed on the fixing piece 115, the threaded pipe 103 penetrates through the object to be fixed and then is aligned to the upper connecting hole, the threaded pipe 103 is rotated in the forward direction, and the threaded pipe 103 is screwed into the upper connecting hole by utilizing the threaded engagement between the threaded pipe 103 and the upper connecting hole until the, the method comprises the steps that an object to be fixed is tightly pressed on a fixing piece 115 through a limiting disc 104 to achieve pre-fixing, then the end portion of a stud 101 is aligned with a threaded pipe 103, the stud 101 is screwed into an inner cavity of the threaded pipe 103 until the stud 101 is screwed into a lower connecting hole in a reverse direction, a nut 102 at the top end of the stud 101 is tightly abutted to the side wall of the top of the threaded pipe 103 to achieve fixing of the object, the threaded pipe 103 and the stud 101 are respectively in threaded connection with the upper connecting hole and the lower connecting hole, and the thread screwing directions of the surfaces of the threaded pipe 103 and the stud 101 are opposite, so that the situation that the bolt 100 falls off due to vibration between the object to be fixed and the fixing piece 115 can be avoided, when the stud 101 is screwed, the threaded pipe 103 is controlled not to rotate any more, the threaded.
As shown in fig. 5 and 6, in order to solve the problem that in practical use, the threaded pipe 103 and the stud 101 rotate due to vibration, so as to cause looseness, the present application proposes an expansion scheme, in which a limit clamping assembly is additionally arranged between the threaded pipe 103 and the stud 101, the limit clamping assembly includes a limit sleeve 105, ratchets 106, pawls 107, limit plates 107b and springs 107c, the limit sleeve 105 is sleeved on a side wall at the bottom of the nut 102, the limit sleeve 105 and the stud 101 are concentrically arranged, the ratchets 106 are provided with a plurality of ratchets 106, the plurality of ratchets 106 are distributed on an inner side wall of the limit sleeve 105 in an annular array, the pawls 107 are rotatably connected to an outer wall at the top of the threaded pipe 103, the number of the pawls 107 is more than two, the pawls 107 are also distributed on an outer wall of the threaded pipe 103 in an annular array, the pawls 107 are overlapped with the ratchets 106, and the pawls 107 can only rotate unidirectionally, even though the stud 101 and the threaded tube 103 form an integral structure.
Since in this application, the ratchet teeth 106 are distributed on the inner wall of the limiting sleeve 105 in an annular array, an auxiliary structure needs to be added to the clamping between the pawl 107 and the ratchet teeth 106, the pawl 107 is in a crescent structure, two side walls of the pawl 107 are respectively a convex portion and a concave portion, and the pawl 107 is overlapped with the ratchet teeth 106 through the concave portion.
Specifically, one end of a spring 107c is fixedly connected to the concave portion, the other end of the spring 107c is fixedly connected to the outer wall of the threaded pipe 103, a limiting plate 107b is arranged on one side of the convex portion, the limiting plate 107b is fixedly connected to the outer wall of the threaded pipe 103, and the limiting range of the pawl 107 is limited by the limiting plate 107b to achieve limiting.
As an extension scheme of this application, the bonding is connected with the rubber slab on limiting plate 107b, and limiting plate 107b passes through the bellying overlap joint of rubber slab with pawl 107, and chute 107a has been seted up on pawl 107 surface, utilizes the rubber slab to play the cushioning effect, avoids because the frequent vibration of external world, harms the connection structure on pawl 107 and screwed pipe 103 surface.
In the process of fixedly and sequentially installing the threaded pipe 103 and the stud 101, the stud 101 enters the threaded pipe 103 and the lower connecting hole from top to bottom, in order to avoid the blocking caused by the pawl 107 in the process of moving the stud 101 downwards, a limiting component is additionally arranged in the application so as to solve the problems, the number of the limiting components is consistent with that of the pawl 107, the limiting component comprises an insertion rod 108, an upper pressing rod 109 and a cushion block 110, the insertion rod 108 is inserted into the limiting disc 104 through an insertion hole 104a, and the insertion hole 104a is distributed along the radial direction of the limiting disc 104.
In addition, a cushion block 110 is fixedly connected to the bottom of the tail end of the inserting hole 104a, an upper pressure rod 109 is inserted into the top of the cushion block 110, the cushion block 110 is arranged on one side of the upper pressure rod 109, a gap is formed between the upper pressure rod 109 and the bottom of the inserting hole 104a, the upper pressure rod 109 can be conveniently ejected out, an elastic rope is connected between the bottom end of the upper pressure rod 109 and the cushion block 110, the bottom end of the upper pressure rod 109 is inserted into the limiting disc 104 and extends into the inserting hole 104a, the upper pressure rod 109 is located at the bottom of the pawl 107, and each upper pressure rod 109 corresponds to.
Inserting the plugging rod 108 on the limiting component into the plugging hole 104a, when the plugging rod 108 is inserted into the plugging hole 104a, the end of the plugging rod 108 jacks up the upper pressure rod 109 positioned at the tail end of the plugging hole 104a, the upper pressure rod 109 moves upwards until the upper pressure rod is abutted into the inclined groove 107a on the pawl 107, the pawl 107 is abutted to one side, at the moment, the spring 107c is compressed, so that the spring rotates towards one side away from the limiting plate 107b, when the stud 101 moves downwards, the pawl 107 cannot collide with the ratchet 106, when the nut 102 is about to abut against the top of the threaded pipe 103, the plugging rod 108 is drawn out from the bottom end of the upper pressure rod 109, the lower pressure rod falls under the pulling of the elastic rope, the pawl 107 resets under the pulling of the elastic force of the spring 107c, then, the stud 101 continues to rotate, so that the nut 102 at the top of the stud 103 abuts against the top of the threaded pipe 103, the top of the threaded pipe, the plugging end of the plugging rod 108 is an inclined structure, and the upper pressure rod 109 is conveniently jacked up through the inclined structure.
During screwing into the stud 101, the threaded pipe 103 must be fixed without rotation therewith, in order to solve the problem of how to make the threaded pipe 103 immobile, the application provides an expansion scheme, an auxiliary mounting mechanism is additionally arranged, the auxiliary mounting mechanism comprises an outer casing 111, a limiting cover plate 112, a pulling rod 112a, an upper transverse rod 113 and a lower transverse rod 114, the outer casing 111 is formed by fixedly connecting two pipe bodies distributed along the vertical direction, the inner wall of the pipe body positioned above the outer casing is connected with the limiting cover plate 112 in a sliding manner, a limiting cavity which can be clamped with a limiting column 102a is formed in the side wall of the bottom end of the limiting cover plate 112, the pulling rod 112a is fixedly connected to the center of the top end face of the limiting cover plate 112, the top end of the pulling rod 112a penetrates through the side wall of the top end of the outer casing 111 and extends to the outside of the outer casing 111, the top end of the pulling rod 112 a; the surface of the outer housing 111 is inserted with an insertion rod 108 to form a through hole, and the insertion rod 108 is inserted with the outer housing 111 and the limiting disc 104 in sequence.
When the stud 101 is screwed in, the stud 101 is aligned to the top of the threaded pipe 103, then after a part of the stud 101 is screwed in, the outer housing 111 is sleeved on the stud 101, so that the limiting cavity on the limiting cover plate 112 is clamped on the limiting column 102a on the nut 102, then the inserting rod 108 is inserted through the through hole and the inserting hole 104a in sequence, at this time, the outer housing 111 and the limiting disc 104 on the surface of the threaded pipe 103 are fixed by the inserting rod 108, namely, the threaded pipe 103 is fixed, then the lower cross rod 114 is fixed by one hand and does not move, then the upper cross rod 113 is rotated by the other hand, so that the upper cross rod 113 rotates by taking the drawing rod 112a as the center of a circle, the limiting cover plate 112 is driven to rotate, the stud 101 is driven to rotate, the stud 103 is screwed in the threaded pipe 103, meanwhile, the threaded pipe 103 cannot rotate.
In order to facilitate the upper pressing rod 109 to jack the pawl 107, as a preferable scheme, the inclined groove 107a is opened at the bottom end of the surface of the convex part of the pawl 107, and the inner wall of the overlapped part of the inclined groove 107a and the upper pressing rod 109 is inclined from bottom to top towards one side of the upper pressing rod 109, so as to facilitate the jacking of the upper pressing rod 109.
It will be evident to those skilled in the art that the present application is not limited to the details of the foregoing illustrative embodiments, and that the present application 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 application being indicated by the appended claims rather than by the foregoing description, and all changes which 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.
The above embodiments are only used to illustrate the technical solutions of the present application, and not to limit the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions in the embodiments of the present application.
Claims (10)
1. The utility model provides an anti-loosening combined bolt which characterized in that: the anti-loosening combined bolt comprises: the device comprises a stud, a nut, a limiting column, a threaded pipe, a limiting disc, a limiting clamping component, a limiting component, an auxiliary mounting mechanism and a fixing piece;
wherein, the top rigid coupling of double-screw bolt has the nut of disc type structure, the top rigid coupling of nut has the spacing post that is used for the construction bolt, spacing post is hexagonal prism structure, the screwed pipe cup joints on the surface of bolt, and the length of bolt is greater than spacing sheathed tube length, the surface of double-screw bolt and screwed pipe has all seted up the external screw thread, and the rotation direction of the external screw thread on double-screw bolt and screwed pipe surface is opposite, set up the internal thread on the inner wall of screwed pipe, the internal thread on the screwed pipe inner wall and the external screw thread that the double-screw bolt surface was seted up intermesh, set up the fixed orifices on the mounting, the fixed orifices comprises the upper connecting hole that the pipe diameter is great and the lower connecting hole interconnect that the pipe diameter is less, the upper connecting hole is close to the one side setting on mounting surface, the inner surface of upper connecting hole and lower connecting hole all is seted up the internal, the inner wall of the lower connecting hole is in threaded connection with the surface of the stud, and a limiting disc in lap joint with the surface of the fixing piece is fixedly sleeved on the outer surface of the threaded pipe.
2. The anti-loosening combination bolt as defined in claim 1, wherein: spacing joint subassembly includes limit sleeve, ratchet, pawl, limiting plate and spring, limit sleeve cup joints on nut bottom lateral wall, limit sleeve sets up with the double-screw bolt is concentric, the ratchet has a plurality of, and a plurality of ratchet is annular array and distributes on limit sleeve's inside wall, the pawl rotates to be connected on screwed pipe top outer wall, and the quantity of pawl more than two, also is annular array and distributes on the screwed pipe outer wall, pawl and ratchet overlap joint.
3. The anti-loosening combination bolt as defined in claim 2, wherein: the pawl is crescent structure, and two lateral walls of pawl are bellying and depressed part respectively, the pawl passes through depressed part and ratchet overlap joint, the one end of rigid coupling spring on the depressed part, the other end rigid coupling of spring to the outer wall of screwed pipe, one side of bellying is provided with the limiting plate, the limiting plate rigid coupling is at the screwed pipe outer wall.
4. The anti-loosening combination bolt as defined in claim 3, wherein: the limiting plate is bonded with a rubber plate, the limiting plate is in lap joint with the protruding portion of the pawl through the rubber plate, and the surface of the pawl is provided with an inclined groove.
5. The anti-loosening combination bolt as defined in claim 1, wherein: the number of the limiting assemblies is consistent with that of the pawls, each limiting assembly comprises an insertion rod, an upper pressing rod and a cushion block, the insertion rods are inserted into the limiting discs through insertion holes, and the insertion holes are distributed along the radial direction of the limiting discs.
6. The anti-loosening combination bolt according to claim 5, wherein: the bottom of the tail end of the inserting hole is fixedly connected with a cushion block, an upper pressure rod is inserted into the top of the cushion block, the bottom end of the upper pressure rod is inserted into the limiting disc and extends into the inserting hole, the upper pressure rod is located at the bottom of the pawl, and each upper pressure rod corresponds to the inclined groove in each pawl one to one.
7. The anti-loosening combination bolt according to claim 5, wherein: the inserting end part of the inserting rod is of an inclined plane structure.
8. The anti-loosening combination bolt as defined in claim 1, wherein: the auxiliary mounting mechanism comprises an outer housing, a limiting cover plate, a drawing rod, an upper transverse rod and a lower transverse rod, the outer housing is formed by two pipe bodies fixedly connected in a vertical direction, the pipe bodies are located on the inner wall of the pipe body above the outer housing and connected with the limiting cover plate in a sliding mode, a limiting cavity capable of being connected with a limiting column in a clamping mode is formed in the side wall of the bottom end of the limiting cover plate, the drawing rod is fixedly connected to the center of the top end face of the limiting cover plate, the top end of the drawing rod penetrates through the side wall of the top end of the outer housing and extends to the outside of the outer housing, the top end of the drawing rod is fixedly connected with.
9. The anti-loosening combination bolt as defined in claim 1, wherein: the surface of the outer housing is inserted with an insertion rod to form a through hole, and the insertion rod is sequentially inserted with the outer housing and the limiting disc.
10. The anti-loosening combination bolt as defined in claim 1, wherein: the chute is arranged at the bottom end of the surface of the protruding part of the pawl, and the chute and the inner wall of the lap joint of the upper pressure rod are obliquely arranged from bottom to top towards one side of the upper pressure rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244339.8A CN112360866A (en) | 2020-11-10 | 2020-11-10 | Anti-loose combined bolt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011244339.8A CN112360866A (en) | 2020-11-10 | 2020-11-10 | Anti-loose combined bolt |
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| Publication Number | Publication Date |
|---|---|
| CN112360866A true CN112360866A (en) | 2021-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011244339.8A Withdrawn CN112360866A (en) | 2020-11-10 | 2020-11-10 | Anti-loose combined bolt |
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| CN (1) | CN112360866A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738367A (en) * | 2022-04-14 | 2022-07-12 | 合肥屹坤精工科技有限公司 | Be used for accurate fastener anti-disengaging structure of server equipment |
| CN115306978A (en) * | 2022-10-11 | 2022-11-08 | 江苏鸿承机电设备有限公司 | Spring antidetonation gallows based on direction is adjusted |
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| CN108757689A (en) * | 2018-08-15 | 2018-11-06 | 海盐宏茂五金制品有限公司 | A kind of high ferro guardrail anti-theft nut |
| CN109356917A (en) * | 2018-10-24 | 2019-02-19 | 杨仁卫 | A kind of novel installation mechanism of metope |
| CN209430576U (en) * | 2018-12-28 | 2019-09-24 | 王卫国 | A kind of allosome reducing derotation bolt fastening component of never becoming loose |
| CN211573972U (en) * | 2020-01-19 | 2020-09-25 | 上海众新五金有限公司 | Bolt of convenient screw-up formula |
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| CN104454917A (en) * | 2013-09-23 | 2015-03-25 | 波音公司 | Systems and methods for use in covering a portion of a fastener protruding from a surface |
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| CN105889286A (en) * | 2016-07-01 | 2016-08-24 | 国网辽宁省电力有限公司盘锦供电公司 | Anti-theft and anti-vibration screw thread pair structure |
| CN108119523A (en) * | 2016-11-29 | 2018-06-05 | 谢益碧 | A kind of anti-theft nut |
| CN206503857U (en) * | 2017-02-16 | 2017-09-19 | 北京长城华冠汽车技术开发有限公司 | One kind brake slice mounting structure |
| CN108757689A (en) * | 2018-08-15 | 2018-11-06 | 海盐宏茂五金制品有限公司 | A kind of high ferro guardrail anti-theft nut |
| CN109356917A (en) * | 2018-10-24 | 2019-02-19 | 杨仁卫 | A kind of novel installation mechanism of metope |
| CN209430576U (en) * | 2018-12-28 | 2019-09-24 | 王卫国 | A kind of allosome reducing derotation bolt fastening component of never becoming loose |
| CN211573972U (en) * | 2020-01-19 | 2020-09-25 | 上海众新五金有限公司 | Bolt of convenient screw-up formula |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114738367A (en) * | 2022-04-14 | 2022-07-12 | 合肥屹坤精工科技有限公司 | Be used for accurate fastener anti-disengaging structure of server equipment |
| CN114738367B (en) * | 2022-04-14 | 2024-04-12 | 合肥屹坤精工科技有限公司 | Be used for accurate fastener anticreep structure of server equipment |
| CN115306978A (en) * | 2022-10-11 | 2022-11-08 | 江苏鸿承机电设备有限公司 | Spring antidetonation gallows based on direction is adjusted |
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Application publication date: 20210212 |