Stainless steel combined type foundation bolt

Abstract

The utility model discloses a stainless steel combined type foundation bolt which comprises a locking mechanism, a connecting sleeve and a fixing mechanism, external threads are arranged at the outer side end of the connecting sleeve, the locking mechanism is located at the upper end of the connecting sleeve, and the fixing mechanism is located at the lower end of the connecting sleeve. A first screw hole, a second screw hole, a cavity and a third screw hole are sequentially formed in the connecting sleeve from top to bottom, the first screw hole penetrates through the upper end of the connecting sleeve, the third screw hole penetrates through the lower end of the connecting sleeve, a plurality of springs are fixedly connected to the top end of the cavity at equal intervals, and sliding blocks are fixedly connected to the lower ends of the springs; the lower end of the locking mechanism is located in the middle of the upper end of the sliding block, the middle of the lower end of the sliding block is fixedly connected with a limiting block, and the limiting block extends into the fixing mechanism and is in sliding connection with the fixing mechanism. The middle structure of the bolt is made of carbon steel, so that the use cost of the bolt is reduced, meanwhile, the carbon steel is prevented from being corroded, and the shape of one end of the bolt is conveniently changed.

Description

Technical Field

[0001] The utility model relates to the field of bolts, in particular to a stainless steel combined anchor bolt. Background Art

[0002] Anchor bolts are screw rods used to fasten equipment to concrete foundations. They are generally used in infrastructure such as railways, highways, power companies, factories, mines, bridges, tower cranes, large-span steel structures and large buildings. They have strong stability.

[0003] Currently, anchor bolts made of carbon steel are cheap but easy to rust and have a short service life. Anchor bolts made of stainless steel are highly corrosion resistant but are too expensive. In addition, the shapes of commonly used anchor bolts are fixed and cannot be changed. Utility Model Content

[0004] The utility model aims to provide a stainless steel combined anchor bolt, which can make part of the internal structure of the anchor bolt adopt carbon steel material, thereby reducing the use cost of the anchor bolt and extending the service life of the anchor bolt.

[0005] In order to achieve the above-mentioned purpose, a stainless steel combined anchor bolt is provided, comprising: a locking mechanism, a connecting sleeve and a fixing mechanism, wherein the outer end of the connecting sleeve is provided with an external thread, the locking mechanism is located at the upper end of the connecting sleeve, and the locking mechanism extends into the connecting sleeve and is threadedly connected to the connecting sleeve, the fixing mechanism is located at the lower end of the connecting sleeve, and the upper end of the fixing mechanism extends into the connecting sleeve and is threadedly connected to the connecting sleeve; the connecting sleeve is provided with a first screw hole, a second screw hole, a chamber and a third screw hole in sequence from top to bottom, and the first screw hole, the second screw hole, the chamber and the third screw hole are in sequence. The first screw hole passes through the upper end of the connecting sleeve, and the locking mechanism is located in the first screw hole, the second screw hole and the chamber, the third screw hole passes through the lower end of the connecting sleeve, and the fixing mechanism is located in the third screw hole, the top of the chamber is equidistantly fixedly connected with a plurality of springs, the lower end of the spring is fixedly connected with a slider, and the outer end of the slider is slidably connected with the side wall of the chamber, the lower end of the locking mechanism is located in the middle of the upper end of the slider, the middle of the lower end of the slider is fixedly connected with a limit block, and the limit block is located in the third screw hole, and the limit block extends into the fixing mechanism and is slidably connected with the fixing mechanism. The partial structure inside the anchor bolt can be made of carbon steel, which reduces the use cost of the anchor bolt and prolongs the service life of the anchor bolt.

[0006] According to the stainless steel combined anchor bolt, the locking mechanism includes a connecting head, a first screw and a second screw, the second screw is fixedly connected to the middle of the lower end of the connecting head, and the second screw is located in the first screw hole and matches with the first screw hole, the first screw is fixedly connected to the lower end of the second screw, and the first screw is located in the second screw hole and matches with the second screw hole, the lower end of the first screw extends into the chamber, and the lower end of the first screw is located at the middle upper end of the slider, which is used to push the slider to move so that the slider locks the fixing mechanism.

[0007] According to the stainless steel combined anchor bolt, the fixing mechanism includes a third screw and a fixing rod, the fixing rod is an L-shaped, "6"-shaped or J-shaped structure, the third screw is fixedly connected to the middle of the upper end of the fixing rod, the third screw is located in the third screw hole and cooperates with the third screw hole, a limiting groove is provided in the middle of the upper end of the third screw, and the limiting block is located in the limiting groove and slidably connected to the side wall of the limiting groove. It is convenient to change the shape of the anchor bolt and prevent the fixing mechanism from loosening during use.

[0008] According to the stainless steel combined anchor bolt, the connecting sleeve, the connecting head and the fixing rod are made of stainless steel, thereby ensuring the corrosion resistance of the bolt and increasing the service life of the bolt.

[0009] According to the stainless steel combined anchor bolt, the first screw rod, the second screw rod and the third screw rod are made of carbon steel, which reduces the use cost of the bolt and prevents the carbon steel from being corroded.

[0010] According to the stainless steel combined anchor bolt, the outer end of the connecting head is provided with an anti-slip groove for rotating the locking mechanism.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] 1. The anchor bolt is formed by the combination of a locking bolt, a connecting sleeve and a fixing mechanism, the internal material of the anchor bolt is changed, the use cost is reduced, and the service life of the anchor bolt is prevented from being reduced.

[0013] 2. The shape of the anchor bolt can be easily changed by using the threaded combination of the fixing mechanism and the connecting sleeve, and the combination of the limit block and the limit groove can prevent the fixing mechanism from rotating and loosening during use, thereby affecting the normal use of the anchor bolt.

[0014] Additional aspects and advantages of the present invention will be described in part in the following description, will become apparent from the following description, or will be understood through practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0016] Figure 1 This is a three-dimensional diagram of a stainless steel combined anchor bolt of the utility model;

[0017] Figure 2 It is a three-dimensional diagram of a locking mechanism of a stainless steel combined anchor bolt of the utility model;

[0018] Figure 3 It is a three-dimensional diagram of a fixing mechanism of a stainless steel combined anchor bolt of the utility model;

[0019] Figure 4 It is a cross-sectional view of a connecting sleeve of a stainless steel combined anchor bolt of the utility model.

[0020] In the figure: 1. locking mechanism; 2. connecting sleeve; 3. fixing mechanism; 4. connecting head; 5. first screw; 6. second screw; 7. third screw; 8. fixing rod; 9. limiting groove; 10. first screw hole; 11. second screw hole; 12. spring; 13. limiting block; 14. third screw hole; 15. slider; 16. chamber. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4The utility model provides a technical solution: a stainless steel combined anchor bolt, comprising: a locking mechanism 1, a connecting sleeve 2 and a fixing mechanism 3, the outer end of the connecting sleeve 2 is provided with an external thread, the locking mechanism 1 is located at the upper end of the connecting sleeve 2, and the locking mechanism 1 extends into the connecting sleeve 2 and is threadedly connected to the connecting sleeve 2, the fixing mechanism 3 is located at the lower end of the connecting sleeve 2, and the upper end of the fixing mechanism 3 extends into the connecting sleeve 2 and is threadedly connected to the connecting sleeve 2; the connecting sleeve 2 is provided with a first screw hole 10, a second screw hole 11, a chamber 16 and a third screw hole 14 from top to bottom, and the first screw hole 10, the second screw hole 11, the chamber 16 and the third screw hole 14 are connected in sequence The first screw hole 10 passes through the upper end of the connecting sleeve 2, and the locking mechanism 1 is located in the first screw hole 10, the second screw hole 11 and the chamber 16. The third screw hole 14 passes through the lower end of the connecting sleeve 2, and the fixing mechanism 3 is located in the third screw hole 14. A plurality of springs 12 are fixedly connected to the top of the chamber 16 at equal distances. A slider 15 is fixedly connected to the lower end of the spring 12, and the outer end of the slider 15 is slidably connected to the side wall of the chamber 16. The lower end of the locking mechanism 1 is located in the middle of the upper end of the slider 15. The middle of the lower end of the slider 15 is fixedly connected to the limiting block 13, and the limiting block 13 is located in the third screw hole 14. The limiting block 13 extends into the fixing mechanism 3 and is slidably connected to the fixing mechanism 3.

[0023] The locking mechanism 1 includes a connecting head 4, a first screw rod 5 and a second screw rod 6. The second screw rod 6 is fixedly connected to the middle part of the lower end of the connecting head 4, and the second screw rod 6 is located in the first screw hole 10 and cooperates with the first screw hole 10. The first screw rod 5 is fixedly connected to the lower end of the second screw rod 6, and the first screw rod 5 is located in the second screw hole 11 and cooperates with the second screw hole 11. The lower end of the first screw rod 5 extends into the chamber 16, and the lower end of the first screw rod 5 is located at the middle upper end of the slider 15.

[0024] The fixing mechanism 3 includes a third screw 7 and a fixing rod 8. The fixing rod 8 is an L-shaped, "6"-shaped or J-shaped structure. The third screw 7 is fixedly connected to the middle part of the upper end of the fixing rod 8. The third screw 7 is located in the third screw hole 14 and cooperates with the third screw hole 14. A limiting groove 9 is opened in the middle part of the upper end of the third screw 7, and the limiting block 13 is located in the limiting groove 9 and is slidably connected to the side wall of the limiting groove 9.

[0025] The connecting sleeve 2 and the connecting head 4 are made of stainless steel.

[0026] The first screw rod 5 , the second screw rod 6 and the third screw rod 7 are made of carbon steel.

[0027] The outer end of the connector 4 is provided with an anti-slip groove.

[0028] Working principle: When in use, first screw the third screw 7 of the fixing mechanism 3 into the third screw hole 14, connect the fixing mechanism 3 with the connecting sleeve 2, and then connect the locking mechanism 1 with the connecting sleeve 2. The first screw 5 of the locking mechanism 1 enters the second screw hole 11 through the first screw hole 10 and cooperates with the second screw hole 11. The second screw 6 cooperates with the first screw hole 10. During the screwing-in process, the first screw 5 pushes the slider 15, so that the limit block 13 at the lower end of the slider 15 enters the limit groove 9 to prevent the fixing mechanism 3 from rotating. The anchor bolts are used in the same way as the commonly used anchor bolts.

[0029] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A stainless steel combined anchor bolt, comprising: A locking mechanism (1), a connecting sleeve (2) and a fixing mechanism (3), characterized in that the outer end of the connecting sleeve (2) is provided with an external thread, the locking mechanism (1) is located at the upper end of the connecting sleeve (2), and the locking mechanism (1) extends into the connecting sleeve (2) and is threadedly connected to the connecting sleeve (2), and the fixing mechanism (3) is located at the lower end of the connecting sleeve (2), and the upper end of the fixing mechanism (3) extends into the connecting sleeve (2) and is threadedly connected to the connecting sleeve (2); The connecting sleeve (2) is provided with a first screw hole (10), a second screw hole (11), a chamber (16) and a third screw hole (14) in sequence from top to bottom, and the first screw hole (10), the second screw hole (11), the chamber (16) and the third screw hole (14) are connected in sequence, the first screw hole (10) passes through the upper end of the connecting sleeve (2), and the locking mechanism (1) is located in the first screw hole (10), the second screw hole (11) and the chamber (16), the third screw hole (14) passes through the lower end of the connecting sleeve (2), and the fixing mechanism (3) is located in the third screw hole (14), a plurality of springs (12) are fixedly connected to the top of the chamber (16) at equal intervals, a slider (15) is fixedly connected to the lower end of the spring (12), and the outer end of the slider (15) is slidably connected to the side wall of the chamber (16), the lower end of the locking mechanism (1) is located in the middle of the upper end of the slider (15), the middle of the lower end of the slider (15) is fixedly connected to a limit block (13), and the limit block (13) is located in the third screw hole (14), and the limit block (13) extends into the fixing mechanism (3) and is slidably connected to the fixing mechanism (3).

2. A stainless steel combined anchor bolt as claimed in claim 1, characterized in that: The locking mechanism (1) comprises a connecting head (4), a first screw rod (5) and a second screw rod (6); the second screw rod (6) is fixedly connected to the middle part of the lower end of the connecting head (4), and the second screw rod (6) is located in the first screw hole (10) and cooperates with the first screw hole (10); the first screw rod (5) is fixedly connected to the lower end of the second screw rod (6), and the first screw rod (5) is located in the second screw hole (11) and cooperates with the second screw hole (11); the lower end of the first screw rod (5) extends into the chamber (16), and the lower end of the first screw rod (5) is located at the middle upper end of the slider (15).

3. A stainless steel combined anchor bolt as claimed in claim 2, characterized in that: The fixing mechanism (3) comprises a third screw rod (7) and a fixing rod (8); the fixing rod (8) is of an L-shaped, "6"-shaped or J-shaped structure; the third screw rod (7) is fixedly connected to the middle of the upper end of the fixing rod (8); the third screw rod (7) is located in a third screw hole (14) and cooperates with the third screw hole (14); a limiting groove (9) is provided in the middle of the upper end of the third screw rod (7); and a limiting block (13) is located in the limiting groove (9) and is slidably connected to the side wall of the limiting groove (9).

4. A stainless steel combined anchor bolt as claimed in claim 3, characterized in that: The connecting sleeve (2) and the connecting head (4) are made of stainless steel.

5. A stainless steel combined anchor bolt as claimed in claim 3, characterized in that: The first screw rod (5), the second screw rod (6) and the third screw rod (7) are made of carbon steel.

6. A stainless steel combined anchor bolt as claimed in claim 2, characterized in that: The outer end of the connecting head (4) is provided with an anti-slip groove.

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