Undercut anchor bolt with burial line

Abstract

The utility model relates to the technical field of anchor bolts, and discloses an undercut anchor bolt with a burial depth line, which comprises an anchor bolt body, an anchor bolt base is fixedly mounted at the bottom of the anchor bolt body, a sleeve is in threaded connection with the outer side of the anchor bolt body, a burial depth groove is formed in the outer side of the sleeve, a positioning hole is formed in the outer side of the sleeve, and a convex block is arranged on the outer side of the positioning hole. A groove is formed in the outer side of the sleeve, a bending line is arranged on the outer side of the sleeve, a through groove is formed in the outer side of the sleeve, and a gasket is arranged on the top of the sleeve. According to the undercut anchor bolt with the burial depth line, through the design of the burial depth groove, the undercut anchor bolt can be used as a mark for positioning and alignment, the depth or position of the sleeve or the wall body or the ground can be determined, the burial depth groove can be used as visual guidance, subsequent installation of the whole anchor bolt is facilitated, the gasket can be effectively fixed through the step type design, and the service life of the undercut anchor bolt is prolonged. It is ensured that the gasket is kept at the position when installed, and the gasket is prevented from loosening or moving in the using process.

Description

Technical Field

[0001] The utility model relates to the technical field of anchor bolts, in particular to a bottom-cut anchor bolt with a buried depth line. Background Art

[0002] Anchor bolts play a very important role in industrial production and are also very common in daily life. When using anchor bolts, you need to drill a hole first, then knock the anchor bolt into the hole, and cause the screw and the expansion piece to have a relative displacement by loading displacement or torque, so that the expansion piece expands, and the contact with the hole wall concrete generates expansion pressure, and the shear friction generates a tensile force to achieve the anchoring of the connection.

[0003] Chinese utility model patent announcement number: CN 217713264 U3, discloses: a cut-bottom anchor bolt suitable for hard materials, the cut-bottom anchor bolt suitable for hard materials, when the middle segment subsequently follows into the base hole, the setting of the supporting convex rib can play a supporting role between the screw rod and the base hole wall, fill the gap between the screw rod and the base hole, avoid shaking after the anchor bolt is installed, and ensure the reliability of the connection, but the cut-bottom anchor bolt suitable for hard materials is not designed with a buried depth line, which is not convenient for users to observe and locate during installation, and the cut-bottom anchor bolt suitable for hard materials is not designed with a limit assembly, which is not convenient for limiting the sleeve and easily causes the sleeve to rotate. Summary of the invention

[0004] The technical problem to be solved by the utility model is to provide a bottom-cut anchor bolt with a burial depth line, which can effectively solve the problems of no burial depth line being designed and no sleeve being limited in the prior art.

[0005] The technical solution adopted by the utility model is: a bottom-cut anchor with a burial depth line, comprising an anchor body, an anchor base fixedly installed at the bottom of the anchor body, a sleeve threadedly connected to the outer side of the anchor body, a burial depth groove is provided on the outer side of the sleeve, a positioning hole is provided on the outer side of the sleeve, a protrusion is provided on the outer side of the positioning hole, a groove is provided on the outer side of the sleeve, a bending line is provided on the outer side of the sleeve, a through groove is provided on the outer side of the sleeve, a gasket is provided on the top of the sleeve, a buckle is provided on the outer side of the gasket, a nut is provided on the outer side of the buckle, a screw is fixedly installed on the outer side of the anchor body, and an anti-slip groove is provided on the outer side of the sleeve.

[0006] Preferably, the buried depth groove is located on the outer wall of the casing, and the buried depth groove is located close to one end of the top of the casing.

[0007] Through the above technical solution, the design of the buried depth groove can not only be used as a positioning and alignment mark, but also can determine the depth or position of the casing or the wall or the ground, and the buried depth groove can serve as a visual guide.

[0008] Preferably, the positioning hole is a "circular" structure, the positioning hole is matched with the protrusion, and the protrusion is matched with the screw.

[0009] Through the above technical solution, through the design of the positioning hole and the protrusion, the sleeve can be locked to prevent the sleeve from rotating and affecting the normal use of the entire anchor bolt.

[0010] Preferably, two identical positioning holes and two identical protrusions are provided, and the two positioning holes and the two protrusions are symmetrically distributed about the center line of the anchor base.

[0011] Through the above technical solution, through the design of two symmetrically distributed positioning holes and protrusions, it is possible to further prevent the sleeve from rotating and disperse the pressure on the protrusion, thereby avoiding damage to a single protrusion caused by entanglement during use.

[0012] Preferably, the bending line is in a "ring" shape, the groove is in a "strip" shape, four identical grooves are provided, and the bending line and the grooves are staggered.

[0013] Through the above technical solution, through the design of the annular bending line, when the anchor bolt enters the wall or the ground, it is convenient to bend after the sleeve is opened, and the staggered bending lines and groove design can increase the beauty of the product.

[0014] Preferably, the buckle is designed in a stepped manner and is located between the gasket and the nut.

[0015] Through the above technical solution, the gasket can be effectively fixed through the stepped design, and the buckle structure ensures that the gasket is firmly maintained in the required position during installation to prevent it from loosening or moving during use.

[0016] Preferably, the screw is threadedly connected to the sleeve, the gasket and the nut, and the screw is in one-to-one correspondence with the sleeve, the gasket and the nut.

[0017] Through the above technical solution, through the design of the screw and sleeve, gasket buckle and nut, the whole can be easy to assemble and disassemble, and can be reused, and the overall stability can be further improved.

[0018] Compared with the prior art, the utility model provides a bottom-cut anchor bolt with a buried depth line, which has the following beneficial effects:

[0019] 1. The cut-bottom anchor with burial depth line can be used as a mark for positioning and alignment through the design of burial depth groove, and can also determine the depth or position of the casing or the wall or the ground. The burial depth groove can be used as a visual guide to facilitate the subsequent installation of the overall anchor. The step-type design can effectively fix the gasket to ensure that the gasket remains in place during installation to prevent it from loosening or moving during use.

[0020] 2. The bottom-cut anchor with a buried depth line can lock the casing through the design of positioning holes and protrusions to prevent the casing from rotating and affecting the normal use of the entire anchor. In addition, the two positioning holes and protrusions can disperse the pressure on the entire body and extend the overall life. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] Figure 1 The three-dimensional structure of the utility model is shown in FIG. Figure 1 ;

[0022] Figure 2 The three-dimensional structure of the utility model is shown in FIG. Figure 2 ;

[0023] Figure 3 This is a schematic diagram of the installation structure of the sleeve and the anti-slip groove of the utility model;

[0024] Figure 4 This is a schematic diagram of the split structure of the utility model;

[0025] Figure 5 It is a schematic diagram of the cross-sectional structure of the utility model.

[0026] Among them: 1. Anchor body; 2. Anchor base; 3. Sleeve; 4. Buried depth groove; 5. Positioning hole; 6. Bump; 7. Groove; 8. Bending line; 9. Through groove; 10. Gasket; 11. Butt lock; 12. Nut; 13. Screw; 14. Anti-slip groove. DETAILED DESCRIPTION

[0027] 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.

[0028] Embodiment 1: Figure 1-5 As shown, the bottom-cut anchor with a buried depth line provided by the utility model comprises an anchor body 1, an anchor base 2 is fixedly installed at the bottom of the anchor body 1, a sleeve 3 is threadedly connected to the outer side of the anchor body 1, a buried depth groove 4 is provided on the outer side of the sleeve 3, a positioning hole 5 is provided on the outer side of the sleeve 3, a protrusion 6 is provided on the outer side of the positioning hole 5, a groove 7 is provided on the outer side of the sleeve 3, a bending line 8 is provided on the outer side of the sleeve 3, a through groove 9 is provided on the outer side of the sleeve 3, a gasket 10 is provided on the top of the sleeve 3, a buckle 11 is provided on the outer side of the gasket 10, a nut 12 is provided on the outer side of the buckle 11, a screw 13 is fixedly installed on the outer side of the anchor body 1, and an anti-slip groove 14 is provided on the outer side of the sleeve 3.

[0029] Specifically, the buried depth groove 4 is located on the outer wall of the casing 3, and the buried depth groove 4 is located close to one end of the top of the casing 3. The advantage is that during the installation process, workers or operators can use the buried depth groove 4 to ensure the correct position of the casing 3, align it with other components or structures, and determine the depth or position of the casing 3 or the wall or the ground, and the buried depth groove 4 can serve as a visual guide.

[0030] Specifically, the positioning hole 5 has a "circular" structure, the positioning hole 5 is adapted to the protrusion 6, and the protrusion 6 is adapted to the screw 13. The advantage is that after the sleeve 3 is installed, the protrusion 6 can be squeezed so that the protrusion 6 fits with the screw 13, which can play a locking role for the sleeve 3 and prevent the sleeve 3 from rotating, affecting the normal use of the overall anchor bolt.

[0031] Specifically, two identical positioning holes 5 and protrusions 6 are provided, and the two positioning holes 5 and protrusions 6 are symmetrically distributed about the center line of the anchor base 2. The advantage is that the design of two symmetrically distributed positioning holes 5 and protrusions 6 can not only further prevent the sleeve 3 from rotating, but also disperse the pressure on the protrusion 6, thereby avoiding damage to a single protrusion 6 caused by entanglement during use.

[0032] Embodiment 2: Figure 2-5 As shown, as an improvement to the previous embodiment.

[0033] Specifically, the bending line 8 is in a "ring" shape, and the groove 7 is in a "strip" shape. The groove 7 is provided with four identical ones, and the bending line 8 and the groove 7 are staggered. The advantage is that through the design of the ring-shaped bending line 8, when the anchor bolt enters the wall or the ground, it is convenient to open the sleeve 3 and bend it, and the staggered bending line 8 and groove 7 design can increase the beauty of the product.

[0034] Specifically, the buckle 11 is designed in a stepped manner and is located between the gasket 10 and the nut 12. The advantage is that the gasket 10 can be effectively fixed by the stepped design, and the structure of the buckle 11 can ensure that the gasket 10 is firmly maintained in the required position during installation to prevent it from loosening or moving during use.

[0035] Specifically, the screw 13 is threadedly connected to the sleeve 3, the gasket 10, the buckle 11 and the nut 12, and the screw 13 and the sleeve 3, the gasket 10, the buckle 11 and the nut 12 are in one-to-one correspondence. The advantage is that the design of the screw 13 and the sleeve 3, the gasket 10, the buckle 11 and the nut 12 can make the whole easy to assemble and disassemble, and can be easily reused, and can further improve the overall stability.

[0036] Working principle: When in use, workers or operators can use the buried depth groove 4 to ensure the correct position of the casing 3, align it with other components or structures, and determine the depth or position of the casing 3 or the wall or the ground, and the buried depth groove 4 can be used as a visual guide. After the casing 3 is installed, the protrusion 6 can be squeezed to make the protrusion 6 fit with the screw 13, which can play a locking role for the casing 3 to prevent the casing 3 from rotating and affecting the normal use of the entire anchor bolt. The design of two symmetrically distributed positioning holes 5 and protrusions 6 can not only further prevent the casing 3 from rotating, but also disperse the pressure on the protrusion 6 to avoid a single protrusion 6 The entanglement during use may cause damage. The design of the annular bending line 8 allows the sleeve 3 to be opened and then bent when the anchor bolt enters the wall or the ground. The staggered bending lines 8 and groove 7 designs can add to the beauty of the product. The step-type design can effectively fix the gasket 10. The structure of the buckle 11 can ensure that the gasket 10 is firmly kept in the required position during installation to prevent it from loosening or moving during use. The design of the screw 13, sleeve 3, gasket 10, buckle 11 and nut 12 can make the whole easy to assemble and disassemble, and can be easily reused, and can further improve the overall stability.

[0037] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A cut-bottom anchor with a buried depth line, comprising an anchor body (1), characterized in that: The anchor base (2) is fixedly installed at the bottom of the anchor body (1); a sleeve (3) is threadedly connected to the outer side of the anchor body (1); a buried depth groove (4) is provided on the outer side of the sleeve (3); a positioning hole (5) is provided on the outer side of the sleeve (3); a convex block (6) is provided on the outer side of the positioning hole (5); a groove (7) is provided on the outer side of the sleeve (3); a bending line (8) is provided on the outer side of the sleeve (3); a through groove (9) is provided on the outer side of the sleeve (3); a gasket (10) is provided on the top of the sleeve (3); a buckle (11) is provided on the outer side of the gasket (10); a nut (12) is provided on the outer side of the buckle (11); a screw rod (13) is fixedly installed on the outer side of the anchor body (1); and an anti-slip groove (14) is provided on the outer side of the sleeve (3).

2. The bottom-cut anchor with burial depth line according to claim 1, characterized in that: The buried depth groove (4) is located on the outer wall of the casing (3), and the buried depth groove (4) is located close to one end of the top of the casing (3).

3. The undercut anchor with burial depth line according to claim 1, characterized in that: The positioning hole (5) is in a "circular" structure, the positioning hole (5) is matched with the protrusion (6), and the protrusion (6) is matched with the screw rod (13).

4. The bottom-cut anchor with a buried depth line according to claim 1, characterized in that: Two identical positioning holes (5) and two identical protrusions (6) are provided, and the two positioning holes (5) and the two identical protrusions (6) are symmetrically distributed about the center line of the anchor base (2).

5. The undercut anchor with burial depth line according to claim 1, characterized in that: The bending line (8) is in a "ring" shape, the groove (7) is in a "strip" shape, four identical grooves (7) are provided, and the bending line (8) and the groove (7) are staggered.

6. The undercut anchor with burial depth line according to claim 1, characterized in that: The buckle (11) is designed in a stepped manner, and the buckle (11) is located between the gasket (10) and the nut (12).

7. The undercut anchor with burial depth line according to claim 1, characterized in that: The screw rod (13) is threadedly connected with the sleeve (3), the washer (10) buckle (11) and the nut (12); the screw rod (13) is in one-to-one correspondence with the sleeve (3), the washer (10) buckle (11) and the nut (12).

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