CN218235764U

CN218235764U - High-strength combined bolt

Info

Publication number: CN218235764U
Application number: CN202222488666.9U
Authority: CN
Inventors: 姚华健; 陈广
Original assignee: Guangzhou Baostep Auto Parts Industrial Ltd
Current assignee: Guangzhou Baostep Auto Parts Industrial Ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2023-01-06
Anticipated expiration: 2032-09-20

Abstract

The utility model discloses a combination formula bolt of high strength, including nut and screw rod, the top fixed connection of nut and screw rod, the outside of screw rod is equipped with two arc pieces that the symmetry set up, fixedly connected with locating piece on the inner wall of arc piece, be equipped with a plurality of constant head tanks that correspond with the locating piece on the outer wall of screw rod, the top fixedly connected with slide bar of arc piece, the sliding sleeve has been cup jointed in the slip on the slide bar, the top fixedly connected with fixed block of sliding sleeve, the bottom of nut is equipped with the fixed slot that corresponds with the fixed block, sliding insert in the fixed slot and be equipped with the inserted bar, the one end of inserted bar runs through the fixed slot inner wall and outwards extends. The utility model discloses in through the setting of supplementary fixed knot structure with adjustable, can make the bolt more firm when fixed use to the fixed strength of bolt has effectively been promoted.

Description

High-strength combined bolt

Technical Field

The utility model relates to a bolt technical field especially relates to a combination formula bolt of high strength.

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, the existing bolt is simple in structure, and the bolt is easy to loosen due to external vibration in the process of using and fixing the bolt, so that the fixing stability and the fixing strength of the bolt are affected.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving among the prior art that the bolt component structure is comparatively simple, the bolt is using fixed in-process, and the outside lacks certain supplementary fixed knot to construct the problem, and the combination formula bolt of a high strength that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a combination formula bolt of high strength, includes nut and screw rod, the top fixed connection of nut and screw rod, the outside of screw rod is equipped with two arc pieces that the symmetry set up, evenly be equipped with a plurality of locating pieces on the inside wall of arc piece, be equipped with a plurality of constant head tanks corresponding with the locating piece on the outer wall of screw rod, the top fixedly connected with slide bar of arc piece, sliding sleeve has cup jointed the sliding sleeve on the slide bar, the top fixedly connected with fixed block of sliding sleeve, the bottom of nut is equipped with the fixed slot corresponding with the fixed block, sliding sleeve inserts in the fixed slot and is equipped with the inserted bar, the one end of inserted bar runs through the fixed slot inner wall and outwards extends, fixedly connected with fixture block on the outer wall of sliding sleeve, sliding sleeve inserts on the fixture block and is equipped with the kelly, be equipped with the draw-in groove that corresponds with the kelly on the inserted bar.

Furthermore, a plurality of protrusions are arranged on the outer side wall of the top of the nut in a surrounding mode.

Furthermore, the bulge is arranged on the middle upper part of the screw cap.

Furthermore, the bottom of the screw cap is fixedly connected with the outer wall of the screw rod through a plurality of wedge-shaped blocks.

Furthermore, the bottom of the arc-shaped block is fixedly connected with a plurality of friction blocks.

Furthermore, the sliding rod is sleeved with a first spring, and two ends of the first spring are fixedly connected with the sliding sleeve and the arc-shaped block respectively.

Furthermore, one end of the sliding rod, which is positioned in the sliding sleeve, is fixedly connected with a limiting block.

Furthermore, a clamping sleeve is fixedly sleeved at one end, close to the inserted link, of the clamping rod, and a pull rod is fixedly connected at one end, far away from the clamping sleeve, of the clamping rod.

Furthermore, the clamping rod is sleeved with a second spring, and two ends of the second spring are fixedly connected with the clamping sleeve and the clamping block respectively.

Further, the screw thread on the screw rod is positioned below the positioning groove.

Compared with the prior art, the utility model has the advantages of it is following:

1. through the arrangement of the arc-shaped block, the joint of the bolt between the fixing parts can be supported, meanwhile, the arrangement of the fixing block and the inserting rod can facilitate the fixation and the disassembly of the arc-shaped block, meanwhile, the arrangement of the clamping rod can facilitate the fixation of the inserting rod, concretely, the arc-shaped block is sleeved outside the screw rod through the positioning block, then the fixing block is inserted into the fixing groove, meanwhile, the arrangement of the sliding sleeve and the sliding rod can effectively prevent the arc-shaped block from shaking, then the fixing block is fixed by the inserting rod, the inserting rod is fixed by the clamping rod, meanwhile, the clamping rod can be elastically supported by the second spring to a certain extent, when the bolt vibrates, the arrangement of the arc-shaped block and the friction block can be abutted against the external fixing part, the rotation of the screw rod is effectively prevented, and the fixing stability and the fixing strength of the bolt are improved; in the utility model, the adjustable auxiliary fixing structure composed of the arc-shaped block, the sliding rod, the sliding sleeve, the inserted link, the clamping block, the clamping rod and the wedge-shaped block can effectively prevent the bolt from loosening due to external vibration, so that the bolt is firmer when being fixed and used, thereby effectively improving the fixing strength of the bolt;

2. additionally, the utility model discloses in, the stopper can prevent that the slide bar from droing in the sliding sleeve, and the setting of clutch blocks can promote the frictional force between arc piece and the outside mounting simultaneously, and certain elastic support can be played to the sliding sleeve to first spring, and certain elastic support can be played to the kelly to the second spring, and the wedge can improve the fixed strength between nut and the screw rod simultaneously.

Drawings

Fig. 1 is a schematic structural view of a high-strength combination bolt provided by the present invention;

fig. 2 is a schematic top view of an arc-shaped block of a high-strength combined bolt provided by the present invention;

fig. 3 is a schematic structural diagram of a in fig. 1.

In the figure: the spring comprises a nut 1, a screw 2, an arc-shaped block 3, a positioning block 4, a sliding rod 5, a sliding sleeve 6, a fixing block 7, an inserted rod 8, a clamping block 9, a clamping rod 10, a wedge-shaped block 11, a friction block 12, a first spring 13, a limiting block 14, a clamping sleeve 15, a pull rod 16 and a second spring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it should be noted that the terms "upper", "lower", "left", "right", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.

Furthermore, in the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, an embodiment of the present invention provides a high-strength combined bolt, which includes a nut 1 and a screw 2, wherein the nut 1 is fixedly connected to the top of the screw 2, and a plurality of protrusions are disposed around the outer sidewall of the top of the nut 1 to increase the friction between an external tool and the nut 1, so as to facilitate rotation of the nut 1; the bottom of the nut 1 is fixedly connected with the outer wall of the screw 2 through a plurality of wedge blocks 11, so that the fixing strength between the nut 1 and the screw 2 is improved, and the situation that the nut 1 and the screw 2 are easily broken due to overlarge force when the screw 2 is twisted by external force is avoided; two arc-shaped blocks 3 which are symmetrically arranged are arranged outside the screw 2 and are used for assisting in supporting and fixing the joint between the bolt and the external fixing piece, and a plurality of friction blocks 12 are fixedly connected to the bottoms of the arc-shaped blocks 3 to improve the friction force between the arc-shaped blocks 3 and the external fixing piece;

in the embodiment, a plurality of positioning blocks 4 are uniformly arranged on the inner side wall of the arc-shaped block 3, so that the arc-shaped block 3 is convenient to fix, a plurality of positioning grooves corresponding to the positioning blocks 4 are arranged on the outer wall of the screw rod 2, wherein the arc-shaped block 3 is arranged in the positioning grooves, so that the arc-shaped block 3 is fixed at a fixed position of the screw rod 2, and the displacement of the arc-shaped block 3 caused by vibration in the fixing process of a bolt is avoided; the top of the arc-shaped block 3 is fixedly connected with a sliding rod 5, the sliding rod 5 is sleeved with a sliding sleeve 6 in a sliding manner, the sliding rod 5 is sleeved with a first spring 13, and two ends of the first spring 13 are respectively fixedly connected with the sliding sleeve 6 and the arc-shaped block 3 to elastically support the sliding sleeve 6 to a certain extent;

in the embodiment, a limiting block 14 is fixedly connected to one end, located in the sliding sleeve 6, of the sliding rod 5 to prevent the sliding rod 5 from falling off from the sliding sleeve 6, a fixing block 7 is fixedly connected to the top of the sliding sleeve 6, a fixing groove corresponding to the fixing block 7 is formed in the bottom of the nut 1, an inserting rod 8 is slidably inserted into the fixing groove and used for fixing the fixing block 7, and one end of the inserting rod 8 penetrates through the inner wall of the fixing groove and extends outwards;

in this embodiment, a clamping block 9 is fixedly connected to the outer wall of the sliding sleeve 6 and used for supporting a clamping rod 10, the clamping rod 10 is slidably inserted into the clamping block 9, a clamping groove corresponding to the clamping rod 10 is formed in the inserted rod 8 and used for fixing the inserted rod 8, and a clamping sleeve 15 is fixedly sleeved at one end, close to the inserted rod 8, of the clamping rod 10;

the outer side wall of the top of the nut 1 is provided with a plurality of protrusions in a surrounding mode, and the protrusions are arranged on the middle upper portion of the nut, so that when the nut is rotated, only the middle upper portion of the nut 1 needs to be clamped; to the well lower part of nut 1, can conveniently set up the spacing groove etc. of fixed block, inserted bar, the power that is used for fixed block, inserted bar on the nut 1 can be damaged to the power degree that is used in it when avoiding the well lower part of external force centre gripping nut 1 too greatly.

In this embodiment, one end of the clamping rod 10 far away from the clamping sleeve 15 is fixedly connected with a pull rod 16, the clamping rod 10 is sleeved with a second spring 17, and two ends of the second spring 17 are respectively fixedly connected with the clamping sleeve 15 and the clamping block 9, so as to elastically support the clamping rod 10.

Wherein, because the position of inserting when screw rod 2 acts on is mainly the constant head tank lower position of screw rod 2, consequently the screw thread on the screw rod 2 is located the below of constant head tank can, the top of the constant head tank of screw rod 2 need not set up the screw thread in order conveniently to set up arc piece 3, slide bar 5, sliding sleeve 6, inserted bar 8, fixture block 9, kelly 10 and wedge 11 etc..

In this embodiment, establish the outside at screw rod 2 with 3 covers of arc piece through locating piece 4 earlier, then insert the fixed block 7 in the fixed slot, sliding sleeve 6 and slide bar 5's setting simultaneously, can effectively prevent rocking of arc piece 3, then utilize inserted bar 8 to fix fixed block 7, and utilize kelly 10 to fix inserted bar 8, certain elastic support can be played to kelly 10 to second spring 17 simultaneously, when the bolt vibrates, the setting of arc piece 3 and clutch blocks 12, can offset with external fixing spare, effectively prevent screw rod 2's rotation, promote the fixed stability and the fixed strength of bolt.

In this embodiment, the adjustable auxiliary fixing structure formed by the arc-shaped block 3, the sliding rod 5, the sliding sleeve 6, the inserted rod 8, the fixture block 9, the fixture rod 10, the wedge-shaped block 11 and the like can effectively prevent the bolt from loosening due to external vibration, so that the bolt is firmer in fixed use, and the fixing strength of the bolt is effectively improved.

The above, only be the embodiment of the preferred of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, which are designed to be replaced or changed equally, all should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a combination formula bolt of high strength, includes nut (1) and screw rod (2), the top fixed connection of nut (1) and screw rod (2), its characterized in that: the outside of screw rod (2) is equipped with two arc pieces (3) that the symmetry set up, evenly be equipped with a plurality of locating pieces (4) on the inside wall of arc piece (3), be equipped with a plurality of constant head tanks corresponding with locating piece (4) on the outer wall of screw rod (2), top fixedly connected with slide bar (5) of arc piece (3), sliding sleeve (6) have been cup jointed in slide bar (5), top fixedly connected with fixed block (7) of slide sleeve (6), the bottom of nut (1) is equipped with the fixed slot corresponding with fixed block (7), it is equipped with inserted bar (8) to slide to insert in the fixed slot, the one end of inserted bar (8) runs through the fixed slot inner wall and outwards extends, fixedly connected with fixture block (9) on the outer wall of slide sleeve (6), sliding sleeve is equipped with kelly (10) on fixture block (9), be equipped with the draw-in groove that corresponds with kelly (10) on inserted bar (8).

2. A high strength, sectional bolt according to claim 1, wherein: the outer side wall of the top of the nut (1) is provided with a plurality of protrusions in a surrounding mode.

3. A high strength, sectional bolt according to claim 2, wherein: the protrusion is arranged on the middle upper part of the screw cap.

4. A high strength, sectional bolt according to claim 1, wherein: the bottom of the screw cap (1) is fixedly connected with the outer wall of the screw rod (2) through a plurality of wedge-shaped blocks (11).

5. A high strength, sectional bolt according to claim 1, wherein: the bottom of the arc-shaped block (3) is fixedly connected with a plurality of friction blocks (12).

6. A high strength, sectional bolt according to claim 1, wherein: the sliding rod (5) is sleeved with a first spring (13), and two ends of the first spring (13) are fixedly connected with the sliding sleeve (6) and the arc-shaped block (3) respectively.

7. A high strength, sectional bolt according to claim 1, wherein: and one end of the sliding rod (5) positioned in the sliding sleeve (6) is fixedly connected with a limiting block (14).

8. A high strength, sectional bolt according to claim 1, wherein: the clamping sleeve (15) is fixedly sleeved at one end, close to the inserted link (8), of the clamping rod (10), and the pull rod (16) is fixedly connected at one end, far away from the clamping sleeve (15), of the clamping rod (10).

9. A high strength, modular bolt as defined in claim 7, wherein: the clamping rod (10) is sleeved with a second spring (17), and two ends of the second spring (17) are fixedly connected with the clamping sleeve (15) and the clamping block (9) respectively.

10. A high strength, sectional bolt according to claim 1, wherein: and the screw thread on the screw rod (2) is positioned below the positioning groove.