T-shaped nut with anti-falling effect

Abstract

The utility model discloses a T-shaped nut with an anti-dropping effect, which comprises a nut head, a nut rod and an auxiliary ring, a plurality of mounting nails are arranged on the auxiliary ring, an annular groove is arranged on the auxiliary ring, two movable blocks are arranged in the annular groove, openings are arranged on the two movable blocks, and the two movable blocks are connected with the nut rod. Through rods are arranged on the two movable blocks in a sliding and penetrating mode through reset mechanisms, a positioning frame matched with a nut head is arranged above the auxiliary ring, the positioning frame is connected with the through rods through connecting mechanisms, a plurality of positioning grooves are formed in the inner wall of the annular groove, and the through rods are matched with the positioning grooves through positioning mechanisms. The positioning frame is in contact with the corner of the nut head for limiting, so that the nut head and the nut rod are prevented from rotating and are effectively prevented from falling off from other components, and the connection stability is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to nut technical field especially, it relates to a T nut with anti -drop effect. BACKGROUND

[0002] T nut is one kind of commonly used connecting piece in profile connecting piece system, according to the different purposes in production and manufacture machinery, same element can be divided into several categories according to the different material, including carbon steel, stainless steel and nonferrous metal etc., T nut is a kind of nut with appearance like T.

[0003] T nut is prone to looseness due to installation in some high-frequency vibration working environment, and the traditional anti-drop T nut only adds gasket between T nut and threaded shaft, but the gasket anti-drop performance is single, and it is easy to lose, cannot satisfy the use demand, so a kind of anti-drop T nut is proposed to solve the above problems. INVENTION CONTENTS

[0004] The utility model aims at solving the shortcomings in prior art and provides a T nut with anti -drop effect.

[0005] In order to achieve the above object, the utility model adopts the following technical scheme:

[0006] A kind of T nut with anti -drop effect, including nut head, nut stem and auxiliary ring, the auxiliary ring is equipped with multiple installation nails, the auxiliary ring is equipped with annular groove, two movable blocks are equipped in the annular groove, two movable blocks are equipped with opening, two movable blocks are equipped with through rod by reset mechanism slidingly penetrating, the auxiliary ring upper side is equipped with the positioning frame matched with nut head, the positioning frame is connected with through rod by link mechanism, the inner wall of annular groove is equipped with multiple positioning grooves, the through rod is matched with positioning groove by positioning mechanism.

[0007] Preferably, the reset mechanism includes a fixed block mounted on the through rod, a reset spring is sleeved on the through rod, and the two ends of the reset spring are connected with the inner wall of the opening and the outer wall of the fixed block, respectively.

[0008] Preferably, the link mechanism includes a link frame mounted on the through rod, and the end of the link frame is fixedly connected with the positioning frame.

[0009] Preferably, the positioning mechanism includes a positioning block mounted on the through rod and corresponding to the positioning groove, and multiple positioning grooves are distributed at equal intervals in the circumferential direction in the annular groove.

[0010] Preferably, the movable block is designed in an arc shape in plan view, and the vertical cross-sectional view of the annular groove is designed in a T shape.

[0011] Preferably, the adapter frame front view is L-shaped design, the positioning frame top view is V-shaped design.

[0012] The utility model discloses the beneficial effects of:

[0013] 1. Through the contact limiting of positioning frame and nut head corner, prevent the rotation of nut head and nut rod, effectively avoid with other components fall off, greatly improve the connection stability.

[0014] 2. Can first drag the adapter frame and make the positioning block and the positioning groove separate, make the nut rotate and tighten conveniently, then adjust the position of positioning frame through the movable block and lock, and the installation process is convenient and can be flexibly controlled.

[0015] 3. The positioning block is matched with the positioning groove, and a plurality of positioning grooves are distributed at equal intervals in the circumference, so that the position of the positioning frame can be accurately adjusted, different angles of the nut head are adapted, and accurate limiting is ensured.

[0016] 4. The arc-shaped design of the movable block and the T-shaped design of the annular groove ensure that the movable block can only move in a circular track in the annular groove, prevent horizontal movement from separating, and ensure the stability of the overall structure.

[0017] 5. The L-shaped design of the adapter frame facilitates the operator to grasp and drag, realizes the synchronous movement of the penetrating rod and the positioning frame, and improves the operation convenience. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 A structural diagram of a T-shaped nut with anti-dropping effect is provided for the utility model;

[0019] Figure 2 The Figure 1 bottom view structural diagram is shown in the figure;

[0020] Figure 3 The Figure 1 vertical section structural diagram is shown in the figure;

[0021] Figure 4 The Figure 3 enlarged structural diagram of A is shown in the figure;

[0022] Figure 5 The Figure 4 enlarged structural diagram of B is shown in the figure.

[0023] In the figure: 1 nut head, 2 nut rod, 3 auxiliary ring, 4 annular groove, 5 mounting nail, 6 movable block, 7 penetrating rod, 8 adapter frame, 9 positioning frame, 10 opening, 11 fixed block, 12 reset spring, 13 positioning block, 14 positioning groove. DETAILED DESCRIPTION

[0024] Clearly and completely describe the technical scheme in the embodiments of the utility model with reference to the drawings in the embodiments of the utility model, obviously, the described embodiments are only some embodiments of the utility model, and not all embodiments.

[0025] Referring to Figures 1-5 A T-shaped nut with anti-dropping effect, comprising a nut head 1, a nut rod 2 and an auxiliary ring 3, a plurality of mounting nails 5 are arranged on the auxiliary ring 3, an annular groove 4 is arranged on the auxiliary ring 3, two movable blocks 6 are arranged in the annular groove 4, an opening 10 is arranged on each of the two movable blocks 6, a through rod 7 is arranged on each of the two movable blocks 6 and is slidably penetrated through the reset mechanism, a positioning frame 9 matched with the nut head 1 is arranged above the auxiliary ring 3, the positioning frame 9 is connected with the through rod 7 through a connecting mechanism, a plurality of positioning grooves 14 are arranged on the inner wall of the annular groove 4, and the through rod 7 is matched with the positioning grooves 14 through a positioning mechanism.

[0026] The reset mechanism comprises a fixed block 11 arranged on the through rod 7, a reset spring 12 is sleeved on the through rod 7, and the two ends of the reset spring 12 are connected with the inner wall of the opening 10 and the outer wall of the fixed block 11 respectively. The elastic potential provided by the reset spring 12 can realize the extrusion operation of the fixed block 11, ensure that it is away from the connecting frame 8, so that the positioning block 13 can be in the positioning groove 14 without external intervention, then the positioning frame 9 will contact the nut head 1 at this time, so as to realize the rotation limiting of the nut head 1.

[0027] The connecting mechanism comprises a connecting frame 8 arranged on the through rod 7, and the connecting frame 8 is fixedly connected with the positioning frame 9. The connecting frame 8 realizes the synchronous movement operation of the through rod 7 and the positioning frame 9, and the setting of the connecting frame 8 also facilitates the dragging operation of the operator.

[0028] The positioning mechanism comprises a positioning block 13 arranged on the through rod 7 and corresponding to the positioning groove 14, and a plurality of positioning grooves 14 are arranged in the annular groove 4 and are distributed at equal intervals in the circumferential direction. When the positioning block 13 is in the positioning groove 14, the movable block 6 cannot move in the annular groove 4, so that the position of the positioning frame 9 will be fixed and cannot move.

[0029] The movable block 6 is designed in an arc shape in a top view, the center of the movable block 6 is consistent with the center of the auxiliary ring 3, the mutually contacting surfaces are polished to ensure smoothness, the vertical sectional view of the annular groove 4 is designed in a T shape, the T-shaped design has a limiting effect, the movable block 6 can only move in a circular trajectory in the annular groove 4 and cannot move horizontally and separate from the annular groove 4.

[0030] The L-shaped design of the adapter frame 8 is for better connection with the through rod 7 and the positioning frame 9, the V-shaped design of the positioning frame 9 in the plan view is with an inner angle of 60 degrees, the nut head 1 is hexagonal, and the positioning frame 9 can contact the corner of the nut head 1 after moving close to the nut head 1, so that the nut head 1 is prevented from moving relative to the positioning frame 9.

[0031] In use, the auxiliary ring 3 is inserted on other components by the installation nails 5 and is outside the nut rod 2, in the initial state, the adapter frame 8 is pulled to drive the through rod 7 and the positioning frame 9 to move, at this time, the reset spring 12 is in the compressed state, the positioning block 13 is separated from the positioning groove 14, then the nut head 1 is matched with the nut rod 2 to rotate and tighten, then the movable block 6 moves in the annular groove 4 until the positioning frame 9 corresponds to the corner of the nut head 1, and the positioning block 13 corresponds to other positioning grooves 14, then the adapter frame 8 is loosened, and moves under the action of the reset spring 12, the positioning block 13 enters the positioning groove 14, the through rod 7 and the adapter frame 8 drive the positioning frame 9 to move and contact the corner of the nut head 1, and the nut head 1 is limited, so that the nut head 1 and the nut rod 2 are prevented from rotating and falling off other components.

[0032] The above is only a preferred embodiment of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A T-nut having a thread-off prevention effect, comprising a nut head (1), a nut stem (2) and an auxiliary ring (3), characterized in that, The auxiliary ring (3) is provided with a plurality of mounting nails (5), the auxiliary ring (3) is provided with an annular groove (4), the annular groove (4) is provided with two movable blocks (6), the two movable blocks (6) are provided with openings (10), the two movable blocks (6) are provided with through rods (7) which are slidably penetrated by reset mechanisms, the auxiliary ring (3) is provided with a positioning frame (9) which cooperates with the nut head (1), the positioning frame (9) is connected with the through rod (7) through a connecting mechanism, the inner wall of the annular groove (4) is provided with a plurality of positioning grooves (14), and the through rod (7) cooperates with the positioning grooves (14) through a positioning mechanism.

2. The T-nut with anti-drop effect according to claim 1, characterized in that, The reset mechanism comprises a fixed block (11) mounted on the through rod (7), and a reset spring (12) is sleeved on the through rod (7), and the two ends of the reset spring (12) are connected with the inner wall of the opening (10) and the outer wall of the fixed block (11) respectively.

3. The T-nut with anti-drop effect according to claim 2, characterized in that, The connecting mechanism comprises a connecting frame (8) mounted on the through rod (7), and the connecting frame (8) is fixedly connected with the positioning frame (9).

4. The T-nut with anti-drop effect according to claim 3, characterized in that, The positioning mechanism comprises a positioning block (13) mounted on the through rod (7) and corresponding to the positioning groove (14), and a plurality of positioning grooves (14) are circumferentially and equidistantly distributed in the annular groove (4).

5. The T-nut with anti-drop effect according to claim 4, characterized in that, The movable block (6) is arc-shaped in the top view, and the vertical sectional view of the annular groove (4) is T-shaped.

6. The T-nut with anti-drop effect according to claim 5, characterized in that, The connecting frame (8) is L-shaped in the front view, and the positioning frame (9) is V-shaped in the top view.

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