CN218266729U

CN218266729U - Long bolt

Info

Publication number: CN218266729U
Application number: CN202222682818.9U
Authority: CN
Inventors: 张文; 李建军; 林福荣; 陈光友; 陈光杰
Original assignee: Zhejiang Mingda Auto Parts Co ltd
Current assignee: Zhejiang Mingda Auto Parts Co ltd
Priority date: 2022-10-11
Filing date: 2022-10-11
Publication date: 2023-01-10
Anticipated expiration: 2032-10-11

Abstract

The application discloses a long bolt, including the stock, the one end of stock is provided with the external screw thread, the other end of stock is provided with the hexagonal bolt head, external screw thread department install with external screw thread matched with nut, hexagonal bolt head bottom is provided with the disc backing plate, demountable installation has the enhancement stabilizing means who is used for strengthening the fixed effect of extrusion of treating fixed object on the lateral wall of one side of disc backing plate orientation nut. Demountable installation's the production manufacturing of the convenient disc backing plate of structure, stock and hexagonal bolt head to can will strengthen stabilizing the subassembly and use the fixed of treating fixed object according to the needs that use, strengthen the fixed effect of extrusion of treating fixed object by strengthening stabilizing the subassembly during fixed, thereby avoid appearing the not hard up condition that hexagonal bolt head department appears easily among the prior art, fixed stability obtains promoting.

Description

Long bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a stay bolt.

Background

The bolt is a basic mechanical part, and is a cylindrical threaded fastener 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.

The long bolt structure who has now is a stock, and the one end of stock is provided with the external screw thread, and the other end of stock is provided with the hexagonal bolt head, installs in external screw thread department with external screw thread matched with nut, this long bolt structure treat the fixed stability difference of fixed object, nut and hexagonal bolt head opposite side and treat to produce relative rotation not hard up between the fixed object easily, influence fixed stability, need improve from this.

Disclosure of Invention

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

The application provides a long bolt, including the stock, the one end of stock is provided with the external screw thread, the other end of stock is provided with the hexagonal bolt head, external screw thread department install with external screw thread matched with nut, its characterized in that, hexagonal bolt head bottom is provided with the disc backing plate, demountable installation has the enhancement stabilizing assembly who is used for strengthening the fixed effect of extrusion of treating fixed object on the lateral wall of one side of disc backing plate orientation nut.

Adopt foretell long bolt, through install the disc backing plate additional between the tip at hexagon bolt head and stock, demountable installation has the enhancement stabilizing mean who is used for strengthening the fixed effect of extrusion of treating fixed object on one side lateral wall of disc backing plate orientation nut, demountable installation's convenient disc backing plate of structure, the manufacturing of stock and hexagon bolt head, and can be according to the needs that use will strengthen stabilizing mean and use in treating the fixed of fixed object, strengthen the fixed effect of extrusion of treating fixed object by strengthening stabilizing mean during fixed, thereby avoid appearing the not hard up condition that hexagon bolt head department appears easily among the prior art, fixed stability obtains promoting.

Preferably: strengthen stabilizing the subassembly and include along circumference equidistance interval establish the lift hole on the lateral wall of one side of disc backing plate towards the nut, the ring, fix a plurality of first fixed columns at ring upper surface, connect the second fixed column that is less than first fixed column in first fixed column upper end and diameter, connect in first fixed column upper end and around the spring of second fixed column, a plurality of first fixed columns along circumference equidistance interval set up on ring upper surface, during the installation a plurality of second fixed columns slip insert to corresponding lift hole and spring upper end and hexagonal bolt head bottom extrusion contact.

Preferably: the lower surface of the ring is provided with a plurality of downward criss-cross protruding strips.

Preferably: the nut further comprises a plurality of upward criss-cross upper protruding strips arranged on the upper surface of the nut.

Preferably: the nut is regular hexagonal prism shape, the anti-skidding recess has been seted up along the direction of height respectively in the middle part of six lateral walls of nut.

Preferably: the hexagonal bolt head top is provided with the top hexagonal groove that is regular hexagon cross section, top hexagonal inslot bottom is provided with the cross groove.

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.

Fig. 2 is a bottom view of the embodiment of the present application illustrating the specific structure of the long rod.

Fig. 3 is a schematic top view of a hexagonal bolt head according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of a reinforcing and stabilizing assembly in an embodiment of the present application.

Fig. 5 is a schematic bottom view of the ring according to the embodiment of the present invention.

Fig. 6 is a schematic structural diagram of a nut in 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 are capable of operation in sequences other than those illustrated or described herein, and that the terms "first," "second," etc. are generally used in a generic sense and do not limit the number of terms, e.g., a 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. 1-6, a long bolt, including stock 1, stock 1's one end is provided with the external screw thread, stock 1's the other end is provided with hexagonal bolt head 2, external screw thread department installs nut 3 with external screw thread matched with the utility model discloses in the embodiment, 2 bottoms of hexagonal bolt head are provided with disc backing plate 100, disc backing plate 100 is demountable installation has the enhancement stabilizing mean who is used for strengthening the fixed effect of extrusion of treating fixed object on the lateral wall of one side of nut 3.

Adopt foretell long bolt, through install disc backing plate 100 additional between the tip at hexagonal bolt head 2 and stock 1, demountable installation has the enhancement stabilizing mean that is used for strengthening the fixed effect of extrusion of treating fixed object on disc backing plate 100 towards one side lateral wall of nut 3, demountable installation's convenient disc backing plate 100 of structure, stock 1 and hexagonal bolt head 2's production is made, and can be according to the needs that use will strengthen stabilizing mean and use in treating the fixed of fixed object, strengthen the fixed effect of extrusion of treating fixed object by strengthening stabilizing mean during fixed, thereby avoid appearing the not hard up condition that hexagonal bolt head 2 department appears easily among the prior art, fixed stability obtains promoting.

In the embodiment of the present invention, the strengthening and stabilizing assembly includes a lifting hole 4, a ring 5, a plurality of first fixing columns 6 fixed on the upper surface of the ring 5, a second fixing column 7 connected to the upper end of the first fixing column 6 and having a diameter smaller than the first fixing column 6, and a spring 8 connected to the upper end of the first fixing column 6 and surrounding the second fixing column 7, wherein the first fixing columns 6 are arranged on the upper surface of the ring 5 along the circumferential intervals, the second fixing columns 7 are slidably inserted into the corresponding lifting hole 4 during installation, and the upper end of the spring 8 is in contact with the bottom of the hexagon bolt head 2 in a pressing manner.

When the fixing device is used specifically, one side of the ring 5, which is provided with the first fixing column 6 and the second fixing column 7, faces the disc base plate 100, the ring 5 faces upwards along the long rod 1, each second fixing column 7 is correspondingly inserted into the lifting hole 4 in the bottom of the disc base plate 100, the upper end of the spring 8 abuts against the bottom of the disc base plate 100, an object to be fixed is strung on the long rod 1, at the moment, the hexagon bolt head 2 is installed along the external thread, in the installation process, the top of the object to be fixed upwards extrudes the bottom of the ring 5, the ring 5 and the disc base plate 100 are close to each other, the spring 8 is extruded, after fixing is completed, the spring 8 is in a compression state, the object to be fixed is clamped by the ring 5 and the nut 3, the connection strength between the hexagon bolt head 2 and the long rod 1 is enhanced by the structure of the disc base plate 100, and the structure is more stable.

Example 2:

as shown in fig. 1-6, in addition to the structural features of the previous embodiment, in the present embodiment, the lower surface of the ring 5 is provided with a plurality of downwardly criss-cross raised strips 9.

In the embodiment of the present invention, the nut further comprises a plurality of upward vertically and horizontally staggered upper protruding strips 11 disposed on the upper surface of the nut 3.

The protruding strips 9 of a plurality of decurrent vertically and horizontally staggered of ring 5 lower surface cooperate the last protruding strip 11 of a plurality of ascending vertically and horizontally staggered of nut 3 upper surface, both all with treat that the object upper and lower surface fully extrusion contact, protruding strip 9 and last protruding strip 11 compress tightly the back tightly paste the extrusion treat the object surface of fixing, have increased area of contact to be difficult to take place to become flexible.

Example 3:

as shown in fig. 1-6, in addition to the structural features of the previous embodiments, in a specific embodiment of the present invention, the nut 3 is in a regular hexagonal prism shape, and the middle portions of the six sidewalls of the nut 3 are respectively provided with an anti-slip groove 10 along the height direction.

In order to further facilitate the rotation of the nut 3, the middle parts of the six side walls of the nut 3 are respectively provided with an anti-slip groove 10 along the height direction, when the nut 3 is installed, the nut 3 can be rotated by using tools such as a wrench and a vice, the nut 3 with the structure is conveniently screwed, and the loosening condition is further reduced.

In the embodiment of the present invention, the top of the hexagonal bolt head 2 is provided with a top hexagonal groove 12 having a regular hexagonal cross section, and the bottom of the top hexagonal groove 12 is provided with a cross groove 13.

In order to further be convenient for to hexagonal bolt head 2 and nut 3 reciprocal anchorage treat the fixed object when fixed, be provided with the top hexagonal groove 12 that is regular hexagon cross section at hexagonal bolt head 2 top, accessible allen key inserts hexagonal groove 12 and fixes hexagonal bolt head 2, also can press from both sides tight fixed hexagonal bolt head 2 through the spanner, also can use cross screwdriver and a word screwdriver to insert cross recess 13 and fix hexagonal bolt head 2 simultaneously, it is convenient to use, and the practicality is high.

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 a … …" does not exclude the presence of another identical element 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. Additionally, 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 long bolt, includes stock (1), the one end of stock (1) is provided with the external screw thread, the other end of stock (1) is provided with hexagonal bolt head (2), external screw thread department install with external screw thread matched with nut (3), its characterized in that, hexagonal bolt head (2) bottom is provided with disc backing plate (100), disc backing plate (100) have towards on one side lateral wall of nut (3) demountable installation be used for strengthening treat the enhancement of the fixed effect of extrusion of fixed object and stabilize the subassembly.

2. The long bolt according to claim 1, characterized in that the reinforcing and stabilizing assembly comprises lifting holes (4) formed in a side wall of the disc base plate (100) facing the nut (3) at equal intervals in the circumferential direction, a ring (5), a plurality of first fixing columns (6) fixed on the upper surface of the ring (5), second fixing columns (7) connected to the upper ends of the first fixing columns (6) and having a diameter smaller than that of the first fixing columns (6), and springs (8) connected to the upper ends of the first fixing columns (6) and surrounding the second fixing columns (7), wherein the plurality of first fixing columns (6) are arranged on the upper surface of the ring (5) at equal intervals in the circumferential direction, and when the long bolt is installed, the plurality of second fixing columns (7) are slidably inserted into the corresponding lifting holes (4) and the upper ends of the springs (8) are in pressing contact with the bottom of the hexagonal bolt head (2).

3. A longbolt according to claim 2, c h a r a c t e r i z e d in that the lower surface of the collar (5) is provided with downwardly directed criss-crossing ridges (9).

4. The long bolt according to claim 1, 2 or 3, characterized in that the nut (3) is regular hexagonal prism shaped, and the middle of six side walls of the nut (3) is respectively provided with an anti-slip groove (10) along the height direction.

5. A long bolt according to claim 4, further comprising a plurality of upwardly and criss-cross upper protruding strips (11) provided on the upper surface of the nut (3).

6. A long bolt according to claim 1, 2 or 3, characterized in that the top of the hexagonal bolt head (2) is provided with a top hexagonal groove (12) with a regular hexagonal cross section, and the bottom of the top hexagonal groove (12) is provided with a cross groove (13).