Chemical corrosion-resistant bolt

Abstract

The utility model discloses a chemical corrosion-resistant bolt which comprises a glass fiber reinforced plastic bolt body, the glass fiber reinforced plastic bolt body comprises a screw rod, a nut and a nut cap, the nut cap is welded to one end of the screw rod, and the nut is connected to the screw rod in a screwed mode; the supplementing assembly comprises an inner hexagonal groove, a hexagonal inserting rod, a hexagonal connecting block, a first round groove, a round spring and a movable block, the inner hexagonal groove is formed in the end, away from the screw rod, of the nut, one end of the hexagonal inserting rod is inserted into the inner hexagonal groove, and the hexagonal connecting block is welded to the other end of the hexagonal inserting rod; the first circular groove is formed in the other end, away from the hexagonal connecting block, of the hexagonal inserting rod, the movable blocks penetrate through the first circular groove and are movably connected to the side edge of the first circular groove, and the circular spring is fixed between the two movable blocks. The anti-corrosion bolt aims to solve the problems that when a device is installed and fixed through an anti-corrosion bolt, a part of the bolt is small, and when a tool is used for fixing a nut, the anti-corrosion bolt slips, the installation efficiency is reduced, and the fastening effect is poor.

Description

TECHNICAL FIELD

[0001] The utility model relates to corrosion -resistant bolt technical field, especially a corrosion -resistant bolt of chemical industry. BACKGROUND

[0002] Corrosion -resistant bolt is a kind of screw with the ability of resisting air, water, acid, alkali salt or other medium corrosion.Corrosion -resistant bolt is usually made of stainless steel, alloy steel, glass steel and other corrosion -resistant materials.In chemical equipment, bolt is used to fix equipment and connect parts, and these bolts need to have corrosion -resistant effect.

[0003] When corrosion -resistant bolt is installed and fixed equipment, some bolts are small, and when using tool to fix nut, it can slip, which reduces installation efficiency and fastening effect, therefore, a corrosion -resistant bolt of chemical industry is needed to solve the above problems. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a corrosion -resistant bolt of chemical industry to solve the problem of corrosion -resistant bolt in the background art, some bolts are small when installing and fixing equipment, and when using tool to fix nut, it can slip, which reduces installation efficiency and fastening effect.

[0005] To solve the above technical problem, the utility model is realized by the following technical scheme:

[0006] The utility model relates to a corrosion -resistant bolt of chemical industry, which comprises:

[0007] Glass steel bolt, the glass steel bolt includes screw rod, nut and nut, the nut is welded at the one end of screw rod, and the nut is screwed on the screw rod;

[0008] Supplementary assembly, the supplementary assembly includes internal hexagonal groove, hexagonal insertion rod and hexagonal connecting block, the internal hexagonal groove is set up in the end of nut away from screw rod, one end of hexagonal insertion rod is inserted into internal hexagonal groove, and hexagonal connecting block is welded at the other end of hexagonal insertion rod.

[0009] Further, the supplementary assembly further includes first circular groove, circular spring and movable block, the first circular groove is set up in the other end of hexagonal insertion rod away from hexagonal connecting block, the movable block is through first circular groove and is movably connected to the side of first circular groove, and circular spring is fixed between the two movable blocks.

[0010] Further, the internal hexagonal groove extends to the inside of screw rod, the hexagonal insertion rod is inserted into the inside of screw rod, and one end of the movable block is movably connected to the inner wall of internal hexagonal groove.

[0011] Further, the limiting assembly comprises a fixed plate, spring columns and a circular ring, the fixed plate is fixed at the end of the screw far from the nut, the spring columns are fixed at the both ends of the side edge of the fixed plate, and the circular ring is fixed at the other end of the spring column.

[0012] Further, the limiting assembly further comprises a second circular groove, a through hole, a circular plug rod and a telescopic clamping block, the second circular groove is arranged at the end of the screw far from the nut, the through hole is arranged at the inner side of the second circular groove, the circular plug rod is fixed at the middle of the side edge of the fixed plate and is inserted into the second circular groove, and the telescopic clamping block is movably connected to the side edge of the circular plug rod and the through hole.

[0013] Further, the circular ring is sleeved on the screw and movably connected to the side edge of the nut.

[0014] Compared with the prior art, the utility model has the advantages that:

[0015] Firstly, when a small bolt is installed, the movable block is pressed, the hexagonal plug rod is inserted into the internal hexagonal groove, the hexagonal connecting block is attached to the nut, the circular spring in the first circular groove is stretched, the movable block is attached to the inner wall of the first circular groove, the hexagonal connecting block and the nut are fixed by using a tool, the nut is rotated and fastened by using another tool, the bolt can be fastened at one time, and the fastening force is ensured.

[0016] Secondly, after the bolt is installed, the fixed plate is held by hand, the circular ring is sleeved on the screw, the circular plug rod is inserted into the second circular groove, the telescopic clamping block is clamped in the through hole, the spring column is stretched, and the circular ring is pressed on the nut, the nut is pressed, and the probability of loosening is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without paying creative labor.

[0018] Figure 1 It is the whole structure schematic diagram of the utility model;

[0019] Figure 2 It is the first visual angle structure schematic diagram of the glass steel bolt of the utility model;

[0020] Figure 3 It is the second visual angle structure schematic diagram of the glass steel bolt of the utility model;

[0021] Figure 4 Part structure diagram of the supplementary assembly of the utility model is shown in the figure.

[0022] Figure 5 Part structure diagram of the limiting assembly of the utility model is shown in the figure.

[0023] In the drawing, the component list represented by each sign is as follows:

[0024] 10, screw rod; 11, nut; 12, nut cap; 20, internal hexagonal groove; 21, hexagonal insertion rod; 22, hexagonal connecting block; 23, first circular groove; 24, circular spring; 25, movable block; 30, second circular groove; 31, through hole; 32, circular insertion rod; 33, fixed plate; 34, telescopic clamping block; 35, spring column; 36, circular ring. Specific implementation

[0025] In order to make the above-mentioned purpose, features and advantages of the utility model more obvious and easy to understand, the specific implementation of the utility model will be described in detail below with reference to the drawings.

[0026] In the following description, many specific details are set forth in order to provide a thorough understanding of the utility model, but the utility model can also be implemented in other ways different from those described herein, and those skilled in the art can make similar generalizations without departing from the connotation of the utility model, therefore the utility model is not limited by the specific implementation disclosed below.

[0027] In order to make the purpose, technical scheme and advantages of the utility model more clear, the implementation of the utility model will be described in further detail below with reference to the drawings.

[0028] Please refer to Figures 1-4 The embodiment is a kind of corrosion-resistant bolt of chemical industry, comprising:

[0029] Glass steel bolt, glass steel bolt includes screw rod 10, nut 11 and nut cap 12, nut cap 12 is welded at one end of screw rod 10, nut 11 is screwed on screw rod 10;

[0030] Screw rod 10 plays a connecting role, nut 11 plays a fastening role, nut cap 12 plays a limiting role, all of which are made of glass steel material, with corrosion-resistant effect.

[0031] Supplementary assembly, supplementary assembly includes internal hexagonal groove 20, hexagonal insertion rod 21 and hexagonal connecting block 22, internal hexagonal groove 20 is set in the end of nut cap 12 away from screw rod 10, hexagonal insertion rod 21 one end is inserted into internal hexagonal groove 20, hexagonal connecting block 22 is welded at the other end of hexagonal insertion rod 21;

[0032] The supplementary assembly further comprises a first circular groove 23, a circular spring 24 and a movable block 25. The first circular groove 23 is arranged at the other end of the hexagonal inserting rod 21 away from the hexagonal connecting block 22, the movable block 25 penetrates through the first circular groove 23 and is movably connected to the side of the first circular groove 23, and the circular spring 24 is fixed between the two movable blocks 25.

[0033] The internal hexagonal groove 20 extends through the nut 12 to the inside of the screw rod 10, the hexagonal inserting rod 21 is inserted into the inside of the screw rod 10, and the movable block 25 is movably connected to the inner side wall of the internal hexagonal groove 20 at one end.

[0034] The internal hexagonal groove 20 and the hexagonal inserting rod 21 serve as a connection, the hexagonal connecting block 22 increases the length of the nut 12, thereby increasing the contact area with the installation tool, the first circular groove 23 serves as a receiving function, the circular spring 24 has a pressing function, and the movable block 25 serves as a connection.

[0035] Working principle:

[0036] When a smaller bolt is installed, the movable block 25 is pressed, the hexagonal inserting rod 21 is inserted into the internal hexagonal groove 20, the hexagonal connecting block 22 is attached to the nut 12, at this time, the circular spring 24 in the first circular groove 23 is stretched, the movable block 25 is attached to the inner wall of the first circular groove 23, the tool is used to fix the hexagonal connecting block 22 and the nut 12, and the other tool is used to rotate and tighten the nut 11.

[0037] This step facilitates the fixation of the nut 12, enables the bolt to be tightened at one time, and ensures the tightening force.

[0038] Please refer to Figure 2 、 Figure 5 , the embodiment further comprises:

[0039] The limiting assembly comprises a fixed plate 33, a spring column 35 and a circular ring 36. The fixed plate 33 is fixed to the end of the screw rod 10 away from the nut 12, the spring column 35 is fixed to the side edges of the fixed plate 33 at both ends, and the circular ring 36 is fixed to the other end of the spring column 35.

[0040] The limiting assembly further comprises a second circular groove 30, a through hole 31, a circular inserting rod 32 and a telescopic clamping block 34. The second circular groove 30 is arranged at the end of the screw rod 10 away from the nut 12, the through hole 31 is arranged at the inner side of the second circular groove 30, the circular inserting rod 32 is fixed to the middle of the side edge of the fixed plate 33 at one end and is inserted into the second circular groove 30, and the telescopic clamping block 34 is movably connected to the side edge of the circular inserting rod 32 and is movably connected to the through hole 31.

[0041] The circular ring 36 is sleeved on the screw rod 10 and is movably connected to the side edge of the nut 11 at one side.

[0042] The second circular groove 30 functions as a connecting part, the through hole 31 functions as a limiting part, the circular insertion rod 32 functions as a connecting part, the fixed plate 33 functions as a connecting part, the telescopic clamping block 34 functions as a limiting part, the spring column 35 has a pressing function, and the circular ring 36 functions as a limiting part.

[0043] Working principle:

[0044] After the bolt is installed, the circular ring 36 is aligned with the screw rod 10, the circular insertion rod 32 is inserted into the second circular groove 30, the telescopic clamping block 34 is clamped in the through hole 31, the spring column 35 is stretched, and the circular ring 36 is pressed on the nut 11.

[0045] This step can exert pressure on the nut 11, thereby reducing the probability of loosening.

[0046] In the description of the utility model, it should be explained that, unless otherwise explicitly specified and limited, the terms "setting", "installing", "connecting", "connecting" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected, it can be mechanically connected, or it can be electrically connected, it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be connected inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0047] Finally, it should be pointed out that: the above only for the preferred embodiments of the utility model, and does not limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still can modify the technical scheme recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features. Any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model should be included in the protection scope of the utility model.

Claims

1. A corrosion resistant bolt for chemical industry, characterized by, Include: Glass steel bolt, the glass steel bolt includes screw rod (10), nut (11) and nut (12), the nut (12) is welded in screw rod (10) one end, and the nut (11) is screwed on screw rod (10); Supplementary components, the supplementary components include internal hex recess (20), hexagonal insertion rod (21) and hexagonal connecting block (22), the internal hex recess (20) is set up in the nut (12) away from the one end of screw rod (10), and the hexagonal insertion rod (21) one end is inserted in the internal hex recess (20), and the hexagonal connecting block (22) is welded in the other end of hexagonal insertion rod (21).

2. The corrosion resistant bolt of claim 1, wherein The supplementary components further include first circular groove (23), circular spring (24) and movable block (25), the first circular groove (23) is set up in the other end of hexagonal insertion rod (21) away from hexagonal connecting block (22), and the movable block (25) is through first circular groove (23) and is movably connected in the side of first circular groove (23), and the circular spring (24) is fixed between two movable blocks (25).

3. The corrosion resistant bolt of claim 1, wherein The internal hex recess (20) extends to the inside of screw rod (10) through nut (12), and the hexagonal insertion rod (21) is inserted into the inside of screw rod (10), and the movable block (25) one end movably connected in the inner side wall of internal hex recess (20).

4. The corrosion resistant bolt of claim 1, wherein Further include limiting component, the limiting component includes fixed plate (33), spring column (35) and circular ring (36), the fixed plate (33) is fixed in the one end of screw rod (10) away from nut (12), and the spring column (35) one end is fixed in the both ends of the side of fixed plate (33), and the circular ring (36) is fixed in the other end of spring column (35).

5. The corrosion resistant bolt of claim 4, wherein The limiting component further includes second circular groove (30), through-hole (31), circular insertion rod (32) and telescopic clamping block (34), the second circular groove (30) is set up in the one end of screw rod (10) away from nut (12), and the through-hole (31) is set up in the inner side of second circular groove (30), and the circular insertion rod (32) one end is fixed in the middle of the side of fixed plate (33), and is inserted in second circular groove (30), and the telescopic clamping block (34) is movably connected in the side of circular insertion rod (32), and is movably connected in through-hole (31).

6. The corrosion resistant bolt of claim 4, wherein The circular ring (36) is sleeved on screw rod (10), and one side is movably connected in the side of nut (11).

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