High-strength T-shaped bolt

Abstract

The utility model discloses a high-strength T-shaped bolt which comprises a screw rod and a bolt head, the screw rod and the bolt head are connected through a locking mechanism, a nut is movably sleeved on the screw rod, an anti-loosening mechanism is arranged in the nut, the locking mechanism comprises a fixed sleeve, a sliding ring, a plurality of reeds and external threads, and the anti-loosening mechanism comprises a connecting ring and a locking plate. The aluminum profile frame has the advantages that the screw rod and the bolt head are connected through the locking mechanism and are of a detachable structure, when the aluminum profile frame is assembled, the bolt head with the appropriate size can be selected according to the grooving size of an aluminum profile groove, installation is convenient, the inclined faces are arranged on the two sides of the upper end of the bolt head, and the anti-skid lines are evenly arranged at the bottom of the bolt head, so that friction force at the joint can be increased; the anti-loosening mechanism adopts the circular locking plate, and when the nut is installed, the screw pushes a group of opposite fan-shaped ring surfaces open, so that the group of opposite fan-shaped ring surfaces are cut into threads of the screw, the nut is locked, and the anti-loosening purpose is achieved.

Description

Technical Field

[0001] The utility model relates to the field of T-shaped bolts, in particular to a high-strength T-shaped bolt. Background Art

[0002] T-bolts can be directly placed into the aluminum profile groove. During the installation process, they can automatically position and lock. They are often used in conjunction with flange nuts. They are standard matching connectors for installing angle pieces. They can be selected and used according to the profile groove width and different series of profiles. T-bolts are active anchor bolts.

[0003] T-bolts are generally used for installing aluminum profile frame assemblies. The existing patent application number is CN202322039642.X, which discloses a high-strength T-bolt. Two bottom bevels are set on the bottom surface of the bolt cap, and reinforcing ribs are set on the bottom bevels. On the one hand, the thickness of the bolt cap is increased by setting the bottom bevels, and on the other hand, the overall strength of the bolt cap is increased by setting the reinforcing ribs, thereby improving the overall strength of the T-bolt. However, when the T-bolt is installed in the aluminum profile slot, it is necessary to select a suitable T-bolt according to the size of the slot, resulting in a variety of T-bolt models, and the T-bolt has poor anti-loosening performance. After long-term use, it is easy to fall off.

[0004] It should be noted that the above contents belong to the technical knowledge of the inventor and do not necessarily constitute prior art. Utility Model Content

[0005] In view of the above defects, the utility model provides a high-strength T-bolt to solve the problem of installation and use of the high-strength T-bolt.

[0006] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0007] A high-strength T-bolt comprises a screw rod and a bolt head, wherein the screw rod and the bolt head are connected via a locking mechanism, a nut is movably sleeved on the screw rod, and an anti-loosening mechanism is arranged inside the nut;

[0008] The locking mechanism includes a fixed sleeve, a sliding ring, a plurality of spring leaves and an external thread. The fixed sleeve is sleeved on the upper end of the screw rod, the sliding ring is movably inserted in the fixed sleeve, a plurality of spring leaves are evenly installed at the bottom of the sliding ring, and the external thread is tapped at the bottom of the outer surface of the fixed sleeve.

[0009] Furthermore, the anti-loosening mechanism includes a connecting ring and a locking plate, wherein the connecting ring is fixedly connected to the bottom of the nut, and the locking plate is installed in the connecting ring.

[0010] Furthermore, a group of opposite sector-shaped annular surfaces are arranged on both sides of the locking plate.

[0011] Furthermore, spring clamps are respectively installed at the bottom of the plurality of spring leaves, and the spring clamps extend out of the fixing sleeve.

[0012] Furthermore, an internal thread matching the external thread is tapped at the inner upper end of the bolt head, and a limiting groove corresponding to the spring clamp is opened at the inner lower end of the bolt head.

[0013] Furthermore, inclined surfaces are arranged on both sides of the upper end of the bolt head, and anti-slip grooves are evenly arranged on the bottom.

[0014] The utility model provides a high-strength T-bolt, which has the following beneficial effects: the screw rod and the bolt head are connected by a locking mechanism, which is a detachable structure. When assembling the aluminum profile frame, the bolt head of appropriate size can be selected according to the size of the aluminum profile slot, which is convenient for installation. The upper ends of the bolt heads are provided with inclined surfaces on both sides, and the bottom is evenly provided with anti-slip grooves, which can increase the friction of the connection;

[0015] The anti-loosening mechanism adopts a circular locking plate. When the nut is installed, a set of relative fan-shaped annular surfaces are pushed open by the screw rod, so that a set of relative fan-shaped annular surfaces cut into the screw rod thread, thereby locking the nut to achieve the purpose of anti-loosening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of a high-strength T-bolt described in the utility model.

[0017] Figure 2 This is a front view of the fixing sleeve of the utility model.

[0018] Figure 3 This is a cross-sectional view of the fixing sleeve of the utility model.

[0019] Figure 4 This is a bottom view of the fixing sleeve of the utility model.

[0020] Figure 5 This is a cross-sectional view of the bolt head of the utility model.

[0021] Figure 6 This is a bottom view of the nut described in the utility model.

[0022] In the figure: 1. screw; 2. bolt head; 3. nut; 4. fixed sleeve; 5. sliding ring; 6. spring leaf; 7. external thread; 8. connecting ring; 9. locking plate; 10. sector ring surface; 11. spring chuck; 12. internal thread; 13. limit groove; 14. inclined surface; 15. anti-slip pattern. DETAILED DESCRIPTION

[0023] The utility model is described in detail below in conjunction with the accompanying drawings. Figure 1-6As shown: a high-strength T-bolt, comprising a screw rod 1 and a bolt head 2, wherein the screw rod 1 and the bolt head 2 are connected via a locking mechanism, a nut 3 is movably mounted on the screw rod 1, and an anti-loosening mechanism is arranged inside the nut 3; the locking mechanism comprises a fixed sleeve 4, a sliding ring 5, a plurality of spring leaves 6 and an external thread 7, wherein the fixed sleeve 4 is mounted on the upper end of the screw rod 1, the sliding ring 5 is movably inserted into the fixed sleeve 4, a plurality of spring leaves 6 are evenly mounted on the bottom of the sliding ring 5, and the external thread 7 is tapped on the bottom of the outer surface of the fixed sleeve 4; the anti-loosening mechanism comprises a connection Ring 8 and locking plate 9, the connecting ring 8 is fixedly connected to the bottom of the nut 3, and the locking plate 9 is installed in the connecting ring 8; a group of opposite fan-shaped ring surfaces 10 are arranged on both sides of the locking plate 9; spring clamps 11 are respectively installed at the bottom of several spring leaves 6, and the spring clamps 11 extend out of the fixed sleeve 4; the upper end of the bolt head 2 is tapped with an internal thread 12 that matches the external thread 7, and the lower end of the bolt head 2 is opened with a limiting groove 13 corresponding to the spring clamp 11; inclined surfaces 14 are arranged on both sides of the upper end of the bolt head 2, and anti-slip patterns 15 are evenly arranged on the bottom.

[0024] Working principle of this embodiment: The T-bolt is made of high-strength steel, with inclined surfaces 14 on both sides of the upper end of the bolt head 2 and anti-slip grooves 15 evenly arranged on the bottom, which can increase the friction force at the connection with the aluminum groove;

[0025] When locked: the screw rod 1 and the bolt head 2 are connected by a locking mechanism, which is a detachable structure. The fixed sleeve 4 is sleeved on the upper end of the screw rod 1, and the sliding ring 5 is movably inserted in the fixed sleeve 4. A plurality of spring leaves 6 are evenly installed at the bottom of the sliding ring 5. The external thread 7 is tapped at the bottom of the outer surface of the fixed sleeve 4. A spring chuck 11 is respectively installed at the bottom of the plurality of spring leaves 6, and the spring chuck 11 extends out of the fixed sleeve 4. The upper end of the bolt head 2 is tapped with an internal thread 12 that matches the external thread 7, and the lower end of the bolt head 2 is provided with a limiting groove 13 corresponding to the spring chuck 11. Figure 2 — Figure 5 As shown, when assembling the aluminum profile frame, the user selects a bolt head 2 of a suitable size according to the size of the aluminum profile slot, extends the upper end of the screw rod 1 into the fixed sleeve 4, and passes through the spring clamp 11, a plurality of spring leaves 6 and the sliding ring 5 respectively, then, screws the bolt head 2 clockwise, compresses the spring clamp 11 through the limit groove 13, and makes the spring clamp 11 lock the screw rod 1, and at the same time, the sliding ring 5 slides upward to complete the locking of the bolt head 2;

[0026] When preventing loosening: the connecting ring 8 is fixedly connected to the bottom of the nut 3, the locking plate 9 is installed in the connecting ring 8, and a group of opposite sector-shaped annular surfaces 10 are arranged on both sides of the locking plate 9, such as Figure 1 and Figure 6As shown, when the nut 3 is installed, the screw rod 1 is used to push open a set of opposite sector-shaped annular surfaces 10 on the locking plate 9, so that the set of opposite sector-shaped annular surfaces 10 bends and cuts into the thread of the screw rod 1, thereby locking the nut 3 to prevent loosening.

[0027] The above technical solutions only reflect the preferred technical solutions of the technical solutions of the utility model. Some changes that may be made to certain parts thereof by technicians in this technical field all reflect the principles of the utility model and fall within the protection scope of the utility model.

Claims

1. A high-strength T-bolt, comprising a screw rod (1) and a bolt head (2), characterized in that: The screw rod (1) and the bolt head (2) are connected via a locking mechanism; a nut (3) is movably sleeved on the screw rod (1); and an anti-loosening mechanism is provided inside the nut (3); The locking mechanism comprises a fixed sleeve (4), a sliding ring (5), a plurality of spring leaves (6) and an external thread (7); the fixed sleeve (4) is sleeved on the upper end of the screw rod (1); the sliding ring (5) is movably inserted into the fixed sleeve (4); the plurality of spring leaves (6) are evenly installed at the bottom of the sliding ring (5); and the external thread (7) is tapped at the bottom of the outer surface of the fixed sleeve (4).

2. A high-strength T-bolt according to claim 1, characterized in that: The anti-loosening mechanism comprises a connecting ring (8) and a locking plate (9); the connecting ring (8) is fixedly connected to the bottom of the nut (3), and the locking plate (9) is installed in the connecting ring (8).

3. A high-strength T-bolt according to claim 2, characterized in that: A group of opposite sector-shaped annular surfaces (10) are arranged on both sides of the locking plate (9).

4. A high-strength T-bolt according to claim 1, characterized in that: A spring clamp (11) is respectively installed at the bottom of the plurality of spring leaves (6), and the spring clamp (11) extends out of the fixed sleeve (4).

5. The high-strength T-bolt according to claim 1, characterized in that: The upper inner end of the bolt head (2) is tapped with an inner thread (12) matching the outer thread (7), and the lower inner end of the bolt head (2) is provided with a limiting groove (13) corresponding to the spring clamp (11).

6. A high-strength T-bolt according to claim 1, characterized in that: The upper ends of the bolt heads (2) are provided with inclined surfaces (14) on both sides, and the bottom is evenly provided with anti-slip grooves (15).

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