Fastening screw with adjustable pressure

Abstract

The utility model relates to the field of screws, in particular to a pressure-adjustable fastening screw which comprises a screw rod, a screw head is welded to the top end of the screw rod, a pressure adjusting assembly is installed on the surface of the screw head and comprises a connecting block, and a sleeve is installed on one side of the connecting block. Through cooperation of the moving rod, the pressure lantern ring, the short plate, the connecting block and the sleeve, the screw pressure adjusting device has the advantage that the screw pressure can be adjusted, during installation, the screw rod rotates, the connecting block makes contact with the surface of equipment, the connecting block can push the moving rod to move upwards, and therefore the pressure spring is extruded, and the screw pressure is adjusted. The pressure spring is shrunk, and the rotation of the screw rod can be stopped in time according to the deformation degree of the pressure spring, so that the pressure adjustment of the screw rod is realized; through cooperation of the square anti-skid pad, the anti-skid plate, the circular anti-skid plate, the anti-skid strips, the connecting springs and the lantern rings, the anti-skid function is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of screws, in particular to a fastening screw with adjustable pressure. Background Art

[0002] A fastening bolt is a common mechanical part, consisting of a head and a screw. It needs to be matched with a nut to fasten two parts with through holes. This type of connection is called a bolt connection. According to the force mode of the connection, fastening bolts can be divided into two types: ordinary and with reamed holes. In addition, according to the shape of the head, there are different types such as hexagonal head and round head.

[0003] After searching, the patent number is CN209067620U, and the name is a utility model of a pan head fastening screw, including a screw head. Through research and analysis, it is found that although there will be no slipping between the hand and the screw head, thereby achieving the advantage of tightening and fixing effect, there are still the following disadvantages to a certain extent.

[0004] For example, because there is no function to adjust the screw pressure during use, the screw cannot be installed according to the required pressure, which affects the fixing effect of the screw after installation and reduces the reliability of screw tightening. In addition, there is no anti-slip function. Therefore, after the screw is installed, when the equipment shakes, it is easy to cause the screw to slip, thereby causing the screw to loosen. In order to solve the above technical problems, we have designed a fastening screw with adjustable pressure. Utility Model Content

[0005] The utility model aims to provide a fastening screw with adjustable pressure, which has the advantages of being able to adjust the screw pressure and having an anti-slip function, thereby solving the problems of not having the function of adjusting the screw pressure and not having an anti-slip function.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an adjustable pressure fastening screw, comprising a screw rod, a screw head welded to the top of the screw rod, a pressure regulating component installed on the surface of the screw head, the pressure regulating component comprising a connecting block, a sleeve installed on one side of the connecting block, the sleeve movably sleeved on the surface of the screw rod, a limiting column welded to the top of the inner cavity of the sleeve, and an anti-slip component installed on the surface of the sleeve.

[0007] Preferably, the voltage regulating assembly comprises a short plate, one side of the short plate is welded to the surface of the screw head, a moving rod is welded to the surface of the short plate, and the bottom end of the moving rod is welded to the top of the connecting block.

[0008] Preferably, a pressure spring is provided on the surface movable sleeve of the moving rod, and the top and bottom ends of the pressure spring are respectively welded to the bottom of the short plate and the top of the connecting block.

[0009] Preferably, the anti-slip component includes a connecting spring, which is movably mounted on the surface of the limiting column, the top of the connecting spring is welded to the top of the inner cavity of the sleeve, the bottom of the connecting spring is welded with a ring, and the front and rear sides of the ring are both welded with anti-slip plates, and the bottoms of the anti-slip plates and the ring are respectively bonded with square anti-slip pads and round anti-slip pads.

[0010] Preferably, movable holes are provided on both the front and rear sides of the sleeve, a mounting hole is provided on the bottom of the connecting block, and an anti-slip strip is bonded to the inner cavity of the mounting hole.

[0011] Preferably, a hexagonal hole is provided on the top of the screw head, and a connecting thread is provided on the surface of the screw rod.

[0012] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0013] 1. The utility model has the advantage of being able to adjust the screw pressure by cooperating with the moving rod, the pressure collar, the short plate, the connecting block and the sleeve. During installation, the screw rod is rotated to make the connecting block contact with the surface of the equipment, so that the connecting block can push the moving rod to move upward, thereby squeezing the pressure spring to contract the pressure spring. According to the deformation degree of the pressure spring, the rotation of the screw rod can be stopped in time, thereby realizing the pressure adjustment of the screw rod.

[0014] 2. The utility model has the advantage of anti-skid function by cooperating with square anti-skid pads, anti-skid plates, round anti-skid plates, anti-skid strips, connecting springs and collars. After the screw rod is installed, the collar can generate pressure under the action of the connecting spring, so that the square anti-skid pads and round anti-skid pads can be in close contact with the surface of the equipment to achieve anti-skid. At the same time, the anti-skid strips are also in contact with the surface of the equipment, thereby increasing the anti-skid effect, making it difficult for the screw rod to rotate by itself, and improving the stability of the screw rod. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0016] Figure 2 This is a partial bottom-up three-dimensional structural schematic diagram of the utility model;

[0017] Figure 3 This is a schematic diagram of the three-dimensional explosion structure of the anti-skid component of the utility model;

[0018] Figure 4 It is a schematic diagram of the partial explosion three-dimensional structure of the utility model.

[0019] In the figure: 1. Screw rod; 2. Pressure regulating assembly; 201. Moving rod; 202. Pressure spring; 203. Short plate; 204. Connecting block; 3. Sleeve; 4. Screw head; 5. Anti-skid assembly; 501. Square anti-skid pad; 502. Anti-skid plate; 503. Round anti-skid pad; 504. Anti-skid strip; 505. Connecting spring; 506. Ring; 6. Hexagonal hole; 7. Limit column. DETAILED DESCRIPTION

[0020] See also Figure 1-Figure 4 , an adjustable pressure fastening screw, comprising a screw rod 1, a screw head 4 is welded on the top of the screw rod 1, a pressure regulating component 2 is installed on the surface of the screw head 4, the pressure regulating component 2 comprises a connecting block 204, a sleeve 3 is installed on one side of the connecting block 204, the sleeve 3 is movably sleeved on the surface of the screw rod 1, a limiting column 7 is welded on the top of the inner cavity of the sleeve 3, an anti-slip component 5 is installed on the surface of the sleeve 3, and a spring 505 can be connected to limit through the limiting column 7, so that the connecting spring 505 is more stable;

[0021] See also Figure 1 and Figure 4 The voltage regulating assembly 2 includes a short plate 203, one side of the short plate 203 is welded to the surface of the screw head 4, a moving rod 201 is welded to the surface of the short plate 203, and the bottom end of the moving rod 201 is welded to the top of the connecting block 204. By setting the connecting block 204, the moving rod 201 can be supported, so that the moving rod 201 can be pushed to move;

[0022] See also Figure 1 and Figure 4 A pressure spring 202 is provided on the movable sleeve of the surface of the moving rod 201, and the top and bottom ends of the pressure spring 202 are respectively welded to the bottom of the short plate 203 and the top of the connecting block 204;

[0023] See also Figure 1 , Figure 2 and Figure 3 The anti-skid assembly 5 includes a connecting spring 505, which is movably sleeved on the surface of the limiting column 7, the top of the connecting spring 505 is welded to the top of the inner cavity of the sleeve 3, and the bottom of the connecting spring 505 is welded with a collar 506, and the front and rear sides of the collar 506 are welded with anti-skid plates 502, and the bottoms of the anti-skid plates 502 and the collar 506 are respectively bonded with square anti-skid pads 501 and round anti-skid pads 503;

[0024] See also Figure 2 and Figure 3 , both the front and rear sides of the sleeve 3 are provided with moving holes, the bottom of the connecting block 204 is provided with a mounting hole, and the inner cavity of the mounting hole is bonded with an anti-slip strip 504;

[0025] See also Figure 1A hexagonal hole 6 is provided on the top of the screw head 4, and a connecting thread is provided on the surface of the screw rod 1. By providing the hexagonal hole 6, it is convenient for the staff to rotate the screw rod 1 with a tool, thereby realizing the installation of the screw rod 1.

[0026] When in use, the screw rod 1 is inserted into the surface of the equipment, and the staff inserts the tool into the hexagonal hole 6, thereby rotating the screw head 4 to rotate the screw rod 1 so that the screw rod 1 can be installed on the surface of the equipment. When the connecting block 204 contacts the surface of the equipment, the connecting block 204 pushes the moving rod 201 to move upward, and at the same time squeezes the pressure spring 202 to shrink the pressure spring 202. When the pressure spring 202 shrinks to the required deformation degree, the screw rod 1 is stopped from being rotated, thereby adjusting the installation pressure of the screw rod 1. When a tighter pressure is needed, it is only necessary to rotate the screw rod 1 again to make the pressure spring 202 more deformed, thereby making the installation pressure of the screw rod 1 greater. At the same time, the circular anti-skid pad 503 and the square anti-skid pad 501 can contact the surface of the equipment, thereby pushing the collar 506 to squeeze the connecting spring 505. At the same time, the tension of the connecting spring 505 can make the square anti-skid pad 501 and the circular anti-skid pad 503 closely contact the surface of the equipment, thereby achieving anti-skid, making the screw rod 1 not easy to slide, and improving the stability of the screw rod 1 after installation.

[0027] In summary: the adjustable pressure fastening screw, through the cooperation of the moving rod 201, the pressure collar 506, the short plate 203, the connecting block 204, the sleeve 3, the square anti-skid pad 501, the anti-skid plate 502, the circular anti-skid plate 502, the anti-skid strip 504, the connecting spring 505 and the collar 506, solves the problem of not having the function of adjusting the screw pressure and not having the anti-skid function.

Claims

1. A fastening screw with adjustable pressure, comprising a screw rod (1), characterized in that: A screw head (4) is welded to the top of the screw rod (1), a pressure regulating assembly (2) is mounted on the surface of the screw head (4), the pressure regulating assembly (2) comprises a connecting block (204), a sleeve (3) is mounted on one side of the connecting block (204), the sleeve (3) is movably sleeved on the surface of the screw rod (1), a limiting column (7) is welded to the top of the inner cavity of the sleeve (3), and an anti-slip assembly (5) is mounted on the surface of the sleeve (3).

2. The adjustable pressure fastening screw according to claim 1, characterized in that: The voltage regulating assembly (2) comprises a short plate (203), one side of the short plate (203) is welded to the surface of the screw head (4), a moving rod (201) is welded to the surface of the short plate (203), and the bottom end of the moving rod (201) is welded to the top of the connecting block (204).

3. The adjustable pressure fastening screw according to claim 2, characterized in that: A pressure spring (202) is provided on the movable sleeve on the surface of the moving rod (201), and the top and bottom ends of the pressure spring (202) are respectively welded to the bottom of the short plate (203) and the top of the connecting block (204).

4. The adjustable pressure fastening screw according to claim 1, characterized in that: The anti-skid assembly (5) comprises a connecting spring (505), wherein the connecting spring (505) is movably sleeved on the surface of the limiting column (7), the top end of the connecting spring (505) is welded to the top of the inner cavity of the sleeve (3), the bottom end of the connecting spring (505) is welded with a collar (506), the front and rear sides of the collar (506) are both welded with an anti-skid plate (502), and the bottoms of the anti-skid plate (502) and the collar (506) are respectively bonded with a square anti-skid pad (501) and a round anti-skid pad (503).

5. The adjustable pressure fastening screw according to claim 1, characterized in that: The sleeve (3) is provided with moving holes on both the front and rear sides, the connection block (204) is provided with a mounting hole at the bottom, and an anti-slip strip (504) is bonded to the inner cavity of the mounting hole.

6. The adjustable pressure fastening screw according to claim 1, characterized in that: A hexagonal hole (6) is provided on the top of the screw head (4), and a connecting thread is provided on the surface of the screw rod (1).

Images