Disclosure of Invention
The technical problem to be solved by the invention is to provide a screw assembly with excellent anti-loosening performance.
In order to solve the problems, the invention adopts the following technical scheme:
a screw assembly comprises a screw body and a combined nut, wherein the combined nut comprises a first connecting body, a second connecting body and a third connecting body, screw holes matched with the screw body are formed in the first connecting body, the second connecting body and the third connecting body respectively, a storage groove and a connecting hole communicated with the storage groove are formed in the first connecting body, drying agents are filled in the storage groove, the connecting hole is communicated with the screw holes, an inserting portion and an inserting groove are formed in the first connecting body and the second connecting body respectively, the first connecting body and the second connecting body are detachably connected through the inserting portion and the inserting groove, the storage groove is covered by the second connecting body, the tail end of the second connecting body and the head end of the third connecting body are of matched homodromous and same-taper inclined-surface structures, and convex portions are arranged on the outer surfaces of the first connecting body, the second connecting body and the third connecting body respectively, the first connecting body, the second connecting body and the third connecting body are all arranged in an integrated mode with the protruding parts on the first connecting body, the second connecting body and the third connecting body.
Preferably, a temporary connecting layer is arranged between the tail end of the second connecting body and the head end of the third connecting body, the second connecting body and the third connecting body are detachably connected through the temporary connecting layer, the third connecting body is suspended over the second connecting body through the temporary connecting layer, the second connecting body and the third connecting body are connected through the temporary connecting layer, the workers can be conveniently and preliminarily screwed down, and the situation that the operation is influenced due to the fact that the second connecting body and the third connecting body are separated in the operation process can be avoided.
Preferably, the first connecting body is provided with a flange ring, the first connecting body and the flange ring are arranged in an integrated mode, one side, close to the screw body, of the flange ring is provided with first anti-slip threads, a good anti-loosening effect can be achieved by the aid of the flange plate, the flange plate is designed in an integrated mode, and stability is good.
Preferably, the second connector and the third connector are respectively provided with a first mark groove and a second mark groove, when the second connector and the third connector are connected through the temporary connecting layer, the first mark groove is positioned under the second mark groove, and through the first mark groove and the second mark groove, the independent rotating angle of the third connector can be observed conveniently, the situations of over-looseness and over-tightness can be prevented, a user can conveniently master the working condition, and the use difficulty is reduced.
Preferably, the first connecting body and the inserting portion are arranged in an integrated mode, the connecting hole is in interference fit with the drying agent, the first connecting body and the inserting portion are designed in an integrated mode, integrity is good, and structure is stable.
Preferably, the first connecting body is provided with a feeding port, the feeding port is communicated with the storage tank, the feeding port is in clearance fit with the drying agent, the plug is inserted into the feeding port, and the drying agent can be conveniently added by a worker through the feeding port.
Preferably, the convex parts are provided with more than one second anti-skid lines, the convex parts of the first connecting body, the second connecting body and the third connecting body are distributed in an annular array, and the second anti-skid lines are arranged on the convex parts, so that a worker can conveniently twist the first connecting body, the second connecting body and the third connecting body.
Preferably, the temporary connection layer is provided with more than one, the temporary connection layer is equidistant distribution, the temporary connection layer is paraffin layer or not dry glue layer.
The invention has the beneficial effects that: the structure of the inclined plane is adopted, when the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body are positioned at the same position, no reaction force is generated, but when the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body are not positioned at the same position, the third connecting body generates radial extrusion force under the reaction force of the second connecting body, so that a screw rod or a thread deforms, and the second connecting body and the third connecting body are locked to avoid loosening, thereby realizing self-locking, and simultaneously, air or moisture between the first connecting body, the second connecting body, the third connecting body and a screw body is dried by arranging a drying agent, thereby effectively delaying the corrosion speed of screw teeth, improving the durability, avoiding the situation that the thread is corroded to cause loosening, in addition, a temporary connecting layer is arranged between the tail end of the second connecting body and, the second connector and the third connector can be detachably connected through the temporary connecting layer, the third connector is suspended right above the second connector through the temporary connecting layer, the second connector and the third connector are connected through the temporary connecting layer, workers can be conveniently screwed down preliminarily, and the situation that the second connector and the third connector are separated to influence operation during operation can be avoided. Be provided with the flange ring on the first connector, first connector and flange ring formula as an organic whole set up, and the one side that the flange ring and screw body hug closely is provided with first anti-skidding line, through being provided with the ring flange, can play good locking effect, and the ring flange has adopted the design of integral type simultaneously, and stability is good. Be provided with first mark groove and second mark groove on second connector and the third connector respectively, first mark groove is located the second mark groove under when second connector and third connector connect through the temporary connection layer, through being provided with first mark groove and second mark groove, is convenient for observe the independent pivoted angle of third connector, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode, reduces the use degree of difficulty. The first connecting body and the inserting portion are arranged in an integrated mode, the connecting hole is in interference fit with the drying agent, the first connecting body and the inserting portion are designed in an integrated mode, integrity is good, and structure is stable. Be provided with the dog-house on the first connector, dog-house and hold up tank communicate mutually, dog-house and drier clearance fit, and the dog-house has inserted the stopper, through being provided with the dog-house, can make things convenient for the staff to add the drier. Be provided with the anti-skidding line of second on the bulge, the bulge is provided with more than one, and first connector, second connector and third connector its bulge on separately all are annular array and distribute, through be provided with the anti-skidding line of second on the bulge, can make things convenient for the staff to twist first connector, second connector and third connector. The temporary connection layer is provided with more than one, the temporary connection layer is equidistant distribution, the temporary connection layer is paraffin layer or not dry glue layer.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the embodiments, it should be understood that the terms "middle", "upper", "lower", "top", "right", "left", "above", "back", "middle", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience in describing the present invention, and do not indicate or imply that the referred devices or elements must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.
In the present embodiment, if the connection or fixing manner between the components is not specifically described, the connection or fixing manner may be a conventional manner such as bolt fixing, pin shaft connecting, adhesive fixing, or rivet fixing, which is commonly used in the prior art, and therefore, the detailed description thereof will not be provided in the examples.
Example 1
As shown in fig. 1-4, a screw assembly comprises a screw body 1 and a combined nut, the combined nut includes a first connecting body 2, a second connecting body 3 and a third connecting body 4, each of the first connecting body 2, the second connecting body 3 and the third connecting body 4 is provided with a screw hole (not shown) matching with the screw body 1, the first connecting body 2 is provided with a storage slot 5 and a connecting hole 6 communicating with the storage slot 5, the storage slot 5 is filled with a drying agent 7, the connecting hole 6 is communicated with the screw hole, the first connecting body 2 and the second connecting body 3 are respectively provided with an insertion portion and an insertion slot 5, the first connecting body 1 and the second connecting body 2 are detachably connected with the insertion slot 8 through the insertion portion (not shown), the second connecting body 3 covers the storage slot 5, the tail end of the second connecting body 3 and the head end of the third connecting body 4 are of a slope structure with the same direction and the same taper matched with each other, the first connector 2, the second connector 3 and the third connector 4 are all provided with a convex part 9 on the outer surface, and the first connector 2, the second connector 3 and the third connector 4 are all arranged with the convex parts 9 on the first connector 2, the second connector 3 and the third connector 4 respectively in an integrated manner.
The beneficial effect of this embodiment does: the structure of the inclined plane is adopted, the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body do not generate reaction force when being positioned at the same position, but the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body are not positioned at the same position, the third connecting body is subjected to the reaction force of the second connecting body to generate radial extrusion force, so that the screw rod or the thread deforms, thereby the second connecting body and the third connecting body are locked, the loosening is avoided, the self-locking is realized, meanwhile, the drying agent is arranged to dry the air or moisture between the first connecting body, the second connecting body and the screw body, the corrosion speed of the screw teeth can be effectively delayed, the durability is improved, and the situation that the screw threads are corroded to cause the.
Example 2
As shown in fig. 1-4, a screw assembly comprises a screw body 1 and a combined nut, the combined nut includes a first connecting body 2, a second connecting body 3 and a third connecting body 4, each of the first connecting body 2, the second connecting body 3 and the third connecting body 4 is provided with a screw hole (not shown) matching with the screw body 1, the first connecting body 2 is provided with a storage slot 5 and a connecting hole 6 communicating with the storage slot 5, the storage slot 5 is filled with a drying agent 7, the connecting hole 6 is communicated with the screw hole, the first connecting body 2 and the second connecting body 3 are respectively provided with an insertion portion and an insertion slot 5, the first connecting body 1 and the second connecting body 2 are detachably connected with the insertion slot 8 through the insertion portion (not shown), the second connecting body 3 covers the storage slot 5, the tail end of the second connecting body 3 and the head end of the third connecting body 4 are of a slope structure with the same direction and the same taper matched with each other, the first connector 2, the second connector 3 and the third connector 4 are all provided with a convex part 9 on the outer surface, and the first connector 2, the second connector 3 and the third connector 4 are all arranged with the convex parts 9 on the first connector 2, the second connector 3 and the third connector 4 respectively in an integrated manner.
In this embodiment, be provided with temporary connection layer 10 between the terminal of second connector 3 and the 4 head ends of third connector, second connector 3 and third connector 4 can dismantle the connection through temporary connection layer 10, third connector 4 hangs directly over second connector 3 through temporary connection layer 10, connects second connector 3 and third connector 4 through being provided with temporary connection layer 10, can make things convenient for the staff to carry out preliminary tightening, can avoid second connector 3 and third connector 4 separation and lead to influencing the operation when the operation.
In this embodiment, be provided with flange ring 11 on the first connector 2, first connector 2 and flange ring 11 formula as an organic whole set up, the one side that flange ring 11 and screw body 1 hug closely is provided with first anti-skidding line (not shown), through being provided with flange plate 11, can play good locking effect, and flange plate 11 has adopted the design of integral type simultaneously, and stability is good.
In this embodiment, be provided with first mark groove 12 and second mark groove 13 on second connector 3 and the third connector 4 respectively, first mark groove 12 is located second mark groove 13 under when second connector 3 and the third connector 4 connect through temporary connection layer 10, through being provided with first mark groove 12 and second mark groove 13, is convenient for observe the independent pivoted angle of third connector 4, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode, reduces the use degree of difficulty.
In this embodiment, the first connecting body 2 and the inserting portion are integrally arranged, the connecting hole 6 is in interference fit with the drying agent 7, and the first connecting body 2 and the inserting portion adopt an integral design, so that the integrity is good and the structure is stable.
In this embodiment, the first connecting body 2 is provided with a feeding port (not shown), the feeding port is communicated with the storage tank 5, the feeding port is in clearance fit with the drying agent 7, the plug 14 is inserted into the feeding port, and the feeding port is provided to facilitate the addition of the drying agent 7 by a worker.
In this embodiment, the protruding portion 9 is provided with one or more second anti-slip threads, the protruding portions 9 of the first connecting body 2, the second connecting body 3 and the third connecting body 4 are distributed in an annular array, and the protruding portions 9 of the first connecting body 2, the second connecting body 3 and the third connecting body 4 are provided with the second anti-slip threads, so that a worker can conveniently twist the first connecting body 2, the second connecting body 3 and the third connecting body 4.
In this embodiment, the temporary connection layer 10 is provided with more than one, the temporary connection layer 10 is in the equidistant distribution, and the temporary connection layer 10 is the non-setting adhesive layer.
The beneficial effect of this embodiment does: the structure of the inclined plane is adopted, when the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body are positioned at the same position, no reaction force is generated, but when the lowest point of the inclined plane of the third connecting body and the lowest point of the inclined plane of the second connecting body are not positioned at the same position, the third connecting body generates radial extrusion force under the reaction force of the second connecting body, so that a screw rod or a thread deforms, and the second connecting body and the third connecting body are locked to avoid loosening, thereby realizing self-locking, and simultaneously, air or moisture between the first connecting body, the second connecting body, the third connecting body and a screw body is dried by arranging a drying agent, thereby effectively delaying the corrosion speed of screw teeth, improving the durability, avoiding the situation that the thread is corroded to cause loosening, in addition, a temporary connecting layer is arranged between the tail end of the second connecting body and, the second connector and the third connector can be detachably connected through the temporary connecting layer, the third connector is suspended right above the second connector through the temporary connecting layer, the second connector and the third connector are connected through the temporary connecting layer, workers can be conveniently screwed down preliminarily, and the situation that the second connector and the third connector are separated to influence operation during operation can be avoided. Be provided with the flange ring on the first connector, first connector and flange ring formula as an organic whole set up, and the one side that the flange ring and screw body hug closely is provided with first anti-skidding line, through being provided with the ring flange, can play good locking effect, and the ring flange has adopted the design of integral type simultaneously, and stability is good. Be provided with first mark groove and second mark groove on second connector and the third connector respectively, first mark groove is located the second mark groove under when second connector and third connector connect through the temporary connection layer, through being provided with first mark groove and second mark groove, is convenient for observe the independent pivoted angle of third connector, prevents the condition of too loose and tension, can the person of facilitating the use master the operating mode, reduces the use degree of difficulty. The first connecting body and the inserting portion are arranged in an integrated mode, the connecting hole is in interference fit with the drying agent, the first connecting body and the inserting portion are designed in an integrated mode, integrity is good, and structure is stable. Be provided with the dog-house on the first connector, dog-house and hold up tank communicate mutually, dog-house and drier clearance fit, and the dog-house has inserted the stopper, through being provided with the dog-house, can make things convenient for the staff to add the drier. Be provided with the anti-skidding line of second on the bulge, the bulge is provided with more than one, and first connector, second connector and third connector its bulge on separately all are annular array and distribute, through be provided with the anti-skidding line of second on the bulge, can make things convenient for the staff to twist first connector, second connector and third connector. The temporary connection layer is provided with more than one, the temporary connection layer is equidistant distribution, the temporary connection layer is paraffin layer or not dry glue layer.
The above description is only an embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that are not thought of through the inventive work should be included in the scope of the present invention.