CN217177094U

CN217177094U - High-strength transportation bolt

Info

Publication number: CN217177094U
Application number: CN202220960786.1U
Authority: CN
Inventors: 陈瑞琦
Original assignee: Wenzhou Ningtai Heat Treatment Co ltd
Current assignee: Wenzhou Ningtai Heat Treatment Co ltd
Priority date: 2022-04-21
Filing date: 2022-04-21
Publication date: 2022-08-12
Anticipated expiration: 2032-04-21

Abstract

The application discloses high strength transportation bolt, bolt head including the cylindricality, bolt backing plate and surface have the bolt main part of external screw thread, logical groove has been seted up to the bolt head upper surface, it is the bolt backing plate upper surface to lead to the groove tank bottom, it is used for supplying to insert and makes the bolt main part follow the internal fixation head that rotates the fastening or dismantle to be provided with in leading to the groove, the internal fixation head is fixed at bolt backing plate upper surface, the bolt head top is provided with the start-stop control subassembly that is used for opening and close logical groove mouth, bolt backing plate lower surface is provided with the direction gasket and compresses tightly the subassembly. After the fastening effect is accomplished, control closing of leading to the groove notch through opening and close the control assembly to play the effect of protection internal fixation head, avoid the internal fixation head directly to expose in external air, reduce the erosion of aqueous vapor, improve life, and then when dismantling and installing, avoid appearing smooth silk phenomenon, be provided with the direction gasket on bolt backing plate lower surface and compress tightly the subassembly, can be so that compress tightly inseparabler after the fastening, whole more stable.

Description

High-strength transportation bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a high strength transportation bolt.

Background

Bolt: the bolt, machine part, the cylindrical threaded fastener of adapted nut, a kind of fastener that comprises head and screw rod (the cylinder that has the external screw thread), need to cooperate with the nut, be used for the fastening connection two parts that have the through-hole, this kind of connection form is called bolted connection, if unscrew the nut from the bolt, can make these two parts separate again, so bolted connection belongs to detachable connection, the bolt is made with high strength steel, or need apply the bolt of great pretightning force, all can be called high strength bolt, high strength bolt is used for the connection of bridge, rail, high pressure and superhigh pressure equipment more, the most that uses at present in many object junctions is the bolt, no matter establish the house, build the canopy body, all need use a large amount of bolts, the very big convenience that the bolt brought for our life.

The existing high-strength transportation bolt structure generally comprises a bolt head, a bolt backing plate and a bolt body with threads on the surface, when the bolt structure is used, the bolt head is rotated in a clamping rotation or insertion rotation mode, so that the bolt body is driven to be fastened to a fixed body, and the existing structure can have several problems, namely: the bolt head is directly exposed in the external air, and the groove or hole for inserting on the bolt head is corroded due to the corrosion of rainwater or water vapor, so that the phenomenon of thread slipping is easy to occur during subsequent disassembly, the disassembly is not performed, and the use is very inconvenient; II, secondly: the bolt backing plate and the bolt body joint are usually required to be put into a flat cushion, but the flat cushion is easy to displace, and the fixing strength of the whole high-strength transport bolt is less helpful, so that improvement is required.

Disclosure of Invention

The utility model discloses aim at solving one of the technical problem who exists among the prior art.

The application provides a high strength transportation bolt, bolt head, bolt backing plate and the surface including the cylindricality have the bolt main part of external screw thread, a serial communication port, logical groove has been seted up to the bolt head upper surface, it is the bolt backing plate upper surface to lead to the groove tank bottom, it is used for supplying to insert and makes the bolt main part follow the internal fixation head that rotates the fastening or dismantle to be provided with in leading to the groove tank, the internal fixation head is fixed at bolt backing plate upper surface, the bolt head top is provided with the start-stop control subassembly that is used for opening and close logical groove mouth, bolt backing plate lower surface is provided with the direction gasket and compresses tightly the subassembly.

By adopting the high-strength transport bolt, the upper surface of the bolt head is provided with the through groove, the internal fixing head connected with the upper surface of the bolt backing plate is arranged in the through groove, and an opening and closing control component for opening and closing the groove opening of the through groove is arranged at the top of the bolt head, when in use, the internal fixing head is rotated in a mode of inserting a tool, thereby driving the bolt main body to rotate and further fastening the fixed body, controlling the opening and closing of the notch of the through groove by the opening and closing control component after the fastening action is finished, so as to protect the internal fixing head, prevent the internal fixing head from being directly exposed in the outside air, reduce the erosion of water vapor, prolong the service life, further avoid the phenomenon of wire sliding during the disassembly and the installation, be provided with the direction gasket at bolt backing plate lower surface and compress tightly the subassembly, can be so that compress tightly inseparabler after the fastening, whole more stable.

Preferably: the opening and closing control assembly comprises a hemispherical shell, an outer connecting cylinder connected to the edge of the shell, internal threads arranged on the inner wall of the outer connecting cylinder, an annular connecting plate connected to the groove opening of the through groove, and external threads arranged on the outer wall of the annular connecting plate, wherein the shell is matched with the external threads of the internal threads and the annular connecting plate through the outer connecting cylinder to rotate and is arranged at the groove opening of the through groove.

Preferably: the thickness of the outer connecting cylinder and the thickness of the annular connecting plate are equal to the thickness from the groove wall of the through groove to the outer side wall of the bolt head.

Preferably: an inner hexagonal groove is formed in the upper surface of the inner fixing head, and a cross groove is formed in the bottom of the inner hexagonal groove.

Preferably: the guide gasket pressing assembly comprises a circular flat base plate, at least two lower rods, an upper rod, a spring and a guide hole, wherein the lower rods are connected to the side wall, facing the bolt head, of the flat base plate, the upper rod is connected to the end portion of the lower rod, the diameter of the upper rod is smaller than that of the lower rod, the upper rod surrounds the spring on the upper rod, the guide hole is formed in the side wall, facing the flat base plate, of the bolt base plate, and the at least two upper rods are correspondingly inserted into the guide hole in a sliding mode.

Preferably: at least two bulges are arranged on the outer side wall of the shell along the circumferential direction, and the bulges are cuboid.

The beneficial effects of the utility model will be elaborated in the embodiment to make beneficial effect more obvious.

Drawings

Fig. 1 is a schematic structural diagram of an embodiment of the present application.

Detailed Description

The technical solutions in the embodiments of the present application will be described clearly below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. All other embodiments that can be derived by one of ordinary skill in the art from the embodiments given herein are intended to be within the scope of the present disclosure.

The terms first, second and the like in the description and in the claims of the present application are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It will be appreciated that the data so used may be interchanged under appropriate circumstances such that embodiments of the application may be practiced in sequences other than those illustrated or described herein, and that the terms "first," "second," and the like are generally used herein in a generic sense and do not limit the number of terms, e.g., the first term can be one or more than one. In addition, "and/or" in the specification and claims means at least one of connected objects, a character "/" generally means that a preceding and succeeding related objects are in an "or" relationship.

The embodiments of the present application are described in detail below with reference to the accompanying drawings through specific embodiments and application scenarios thereof.

Example 1:

as shown in fig. 1, a high strength transportation bolt, bolt head 1, bolt backing plate 2 and the surface including the cylindricality have the bolt main part 3 of external screw thread the utility model discloses in the embodiment, logical groove 4 has been seted up to bolt head 1 upper surface, it is 2 upper surfaces of bolt backing plate to lead to groove 4 tank bottoms, it is used for supplying to insert and makes bolt main part 3 follow to rotate the internal fixation head 5 of fastening or dismantlement to be provided with in leading to groove 4 groove, internal fixation head 5 is fixed on bolt backing plate 2 upper surface, 1 top of bolt head is provided with the start-stop control subassembly that is used for opening and close logical groove 4 notch, 2 lower surfaces of bolt backing plate are provided with guide gasket and compress tightly the subassembly.

By adopting the high-strength transport bolt, the through groove 4 is formed in the upper surface of the bolt head 1, the internal fixing head 5 connected with the upper surface of the bolt backing plate 2 is arranged in the through groove 4, the opening and closing control assembly for opening and closing the notch of the through groove 4 is arranged at the top of the bolt head 1, when in use, the internal fixing head 5 is rotated in a mode of inserting a tool, so that the bolt main body 3 is driven to rotate to further fasten a fixed body, after the fastening effect is completed, the opening and closing of the notch of the through groove 4 is controlled by the opening and closing control assembly to play a role of protecting the internal fixing head 5, the internal fixing head 5 is prevented from being directly exposed in the outside air, the erosion of water vapor is reduced, the service life is prolonged, further, the phenomenon of wire slipping is avoided when in disassembly and assembly, the guide gasket pressing assembly is arranged on the lower surface of the bolt backing plate 2, and the pressing after fastening can be more compact, the whole is more stable.

The utility model discloses in the embodiment, the start-stop control subassembly is including being hemispherical shell 11, connecting at the outer connecting cylinder 12 of shell 11 edge, setting up the internal thread on outer connecting cylinder 12 inner wall and connecting annular connecting plate 13, the external screw thread of setting on annular connecting plate 13 outer wall that leads to groove 4 notch department, shell 11 matches the rotation through the internal thread of outer connecting cylinder 12 and the external screw thread of annular connecting plate 13 and sets up 4 notch departments in leading to the groove.

During the use, through the mode of inserting the instrument, come rotatory internal fixation head 5, thereby it is followed the rotation and then the fastening by the fixed body to drive bolt main part 3, accomplish behind the fastening effect, through outer connecting cylinder 12 with on the shell 11 aiming at annular connecting plate 13, shell 11 matches the rotation through the internal thread of outer connecting cylinder 12 and the external screw thread of annular connecting plate 13 and sets up at logical groove 4 notch department, the closing of logical groove 4 notch is controlled, in order to play the effect of protection internal fixation head 5, avoid internal fixation head 5 directly to expose in the air of external world, reduce the erosion of aqueous vapor, and service life is prolonged, and then when dismantling and installing, avoid appearing the slippery silk phenomenon, hemispherical shell 11 is convenient for the water droplet and slides along the slope, reduce the erosion degree.

In the embodiment of the present invention, the thickness of the outer connecting cylinder 12 and the thickness of the annular connecting plate 13 are equal to the thickness from the groove wall of the through groove 4 to the outer side wall of the bolt head 1.

The structure is used for enabling the outer wall of the outer connecting cylinder 12 and the outer side wall of the bolt head 1 to be located on the same plane, namely the cross section of the outer connecting cylinder 12 and the cross section of the annular connecting plate 13 are overlapped with the cross section of the bolt head 1, so that water drops can slide off conveniently when raining, and erosion of water vapor is reduced.

Example 2:

as shown in fig. 1, in addition to the structural features of the previous embodiment, in the embodiment of the present invention, the upper surface of the internal fixation head 5 is provided with an internal hexagonal groove 6, and the bottom of the internal hexagonal groove 6 is provided with a cross-shaped groove 7.

In order to further facilitate the insertion of a tool to rotate the internal fixing head 5, the inner hexagonal groove 6 is formed in the upper surface of the internal fixing head 5, an inner hexagonal wrench can be used for rotating the internal fixing head 5, the cross groove 7 is formed in the bottom of the inner hexagonal groove 6, a cross screwdriver or a straight screwdriver can be used for rotating the internal fixing head 5, and the influence of the wire sliding phenomenon on the disassembly and assembly is further reduced.

Example 3:

as shown in fig. 1, in addition to the structural features of the previous embodiment, in the embodiment of the present invention, the guiding gasket pressing assembly includes a flat cushion plate 16 in a circular ring shape, at least two lower rods 17 connected to the side wall of the flat cushion plate 16 facing the bolt head 1, an upper rod 18 connected to the end of the lower rod 17 and having a diameter smaller than that of the lower rod 17, a spring 19 surrounding the upper rod 18, and a guiding hole 20 opened in the side wall of the bolt cushion plate 2 facing the flat cushion plate 16, wherein the at least two upper rods 18 are respectively inserted into the guiding hole 20 in a corresponding sliding manner.

During the use, through the mode of inserting the instrument, come rotatory internal fixation head 5, thereby it is followed the rotation and then the fastening by the fixed body to drive bolt main part 3, in-process, flat backing plate 16 is close to bolt head 1 direction, upper boom 18 slides along guiding

hole

20, 18 upper end cooperation bolt backing plates 2 compress spring 19 down, spring 19 forms the effort of bounce-back, and act on flat backing plate 16, make flat backing plate 16 and by being connected inseparabler of fixed body junction, difficult down take place the displacement skew by the exogenic action simultaneously, accomplish behind the fastening effect, through aligning annular connecting plate 13 with outer connecting cylinder 12 on the shell 11, the internal thread that shell 11 passes through outer connecting cylinder 12 cooperatees with the external screw thread of annular connecting plate 13 and sets up in logical groove 4 notch, the closing of control logical groove 4 notch, in order to play the effect of protection internal fixation head 5.

In the embodiment of the present invention, at least two protrusions 15 are circumferentially disposed on the outer sidewall of the housing 11, and the protrusions 15 are rectangular.

In order to facilitate the mounting and dismounting of the housing 11, at least two protrusions 15 are circumferentially arranged on the outer side wall of the housing 11, and in order to further facilitate the hand stress and facilitate the rotation of the housing 11, the structure of the protrusions 15 is set to be a cuboid.

It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element. Further, it should be noted that the scope of the methods and apparatus of the embodiments of the present application is not limited to performing the functions in the order illustrated or discussed, but may include performing the functions in a substantially simultaneous manner or in a reverse order based on the functions involved, e.g., the methods described may be performed in an order different than that described, and various steps may be added, omitted, or combined. In addition, features described with reference to certain examples may be combined in other examples.

While the present embodiments have been described with reference to the accompanying drawings, it is to be understood that the invention is not limited to the precise embodiments described above, which are meant to be illustrative and not restrictive, and that various changes may be made therein by those skilled in the art without departing from the spirit and scope of the invention as defined by the appended claims.

Claims

1. The utility model provides a high strength transportation bolt, has bolt main part (3) of external screw thread including the bolt head (1), bolt backing plate (2) and the surface of cylindricality, a serial communication port, logical groove (4) have been seted up to bolt head (1) upper surface, it is bolt backing plate (2) upper surface to lead to groove (4) tank bottom, it is used for supplying to insert and makes bolt main part (3) follow to rotate internal fixation head (5) that fasten or dismantle to lead to be provided with in groove (4) groove, internal fixation head (5) are fixed at bolt backing plate (2) upper surface, bolt head (1) top is provided with and is used for opening and close the control assembly that opens and close logical groove (4) notch, bolt backing plate (2) lower surface is provided with direction gasket and compresses tightly the subassembly.

2. The high-strength transport bolt according to claim 1, characterized in that the opening and closing control assembly comprises a hemispherical shell (11), an outer connecting cylinder (12) connected to the edge of the shell (11), an internal thread arranged on the inner wall of the outer connecting cylinder (12), an annular connecting plate (13) connected to the notch of the through groove (4), and an external thread arranged on the outer wall of the annular connecting plate (13), wherein the shell (11) is rotatably arranged at the notch of the through groove (4) by matching the internal thread of the outer connecting cylinder (12) with the external thread of the annular connecting plate (13).

3. A high strength transport bolt according to claim 2, characterised in that the thickness of the outer connector barrel (12) plus the thickness of the annular web (13) is equal to the thickness from the slot wall of the through slot (4) to the outer side wall of the bolt head (1).

4. A high strength transport bolt according to claim 2, characterized in that the inner fixing head (5) is provided with an inner hexagonal groove (6) on the upper surface and a cross groove (7) at the bottom of the inner hexagonal groove (6).

5. A high-strength transport bolt according to claim 2, 3 or 4, characterized in that the guide gasket pressing assembly comprises a circular flat base plate (16), at least two lower rods (17) connected to the side wall of the flat base plate (16) facing the bolt head (1), an upper rod (18) connected to the end of the lower rod (17) and having a diameter smaller than that of the lower rod (17), a spring (19) surrounding the upper rod (18), and a guide hole (20) formed in the side wall of the bolt base plate (2) facing the flat base plate (16), wherein the at least two upper rods (18) are respectively and correspondingly inserted into the guide hole (20) in a sliding manner.

6. A high strength transport bolt according to claim 5, characterized in that at least two protrusions (15) are arranged on the outer side wall of the housing (11) along the circumferential direction, and the protrusions (15) are rectangular.