Tension-adjustable bolt

Abstract

The utility model discloses a tension-adjustable bolt which comprises a bolt body, and an operation derusting structure is arranged in the bolt body. The operation rust removal structure comprises a containing groove, a connecting block, a moving rod, a push plate, a spring, a sharp rod, a liquid storage bag, a baffle and a plurality of liquid outlet holes. The derusting structure is operated to inject the derusting agent into the bolt hole of the bolt and the bolt hole of the metal piece for derusting operation, it can be ensured that the bolt can effectively transmit tensile force, connection reliability and safety are guaranteed, the purpose of adjusting the tensile force is achieved, meanwhile, the scheme is adopted for derusting the bolt, threads or the surface of the bolt cannot be damaged, and the service life of the bolt is prolonged. And the subsequent service life and performance of the bolt are ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of bolts, in particular to a bolt with adjustable tension. Background Art

[0002] Bolts are a commonly used connection element, usually made of metal and with a threaded structure. They are usually used to fix two or more parts together, through nuts or other fixing devices, to make the connection between the parts more secure. The size, material and thread type of the bolts will vary according to the specific usage scenarios and requirements. Bolts are widely used in various fields such as construction, machinery, and automobiles.

[0003] Bolt corrosion will affect the overall tensile force of the bolt, and the extent of the impact depends on the severity of the corrosion and the material of the bolt. The surface of a severely corroded bolt will appear uneven, which will affect the contact area between the bolt and the connecting part, thereby reducing the tension transmission efficiency of the bolt. Rust may also cause the cross-sectional area of ​​the bolt to decrease, thereby weakening the bearing capacity of the bolt. In view of this, there may already be technical means to solve the above problems in the prior art, but this case intends to provide an alternative or replacement technical solution. Utility Model Content

[0004] To achieve the above objectives, the utility model is implemented through the following technical solutions: a tension-adjustable bolt, comprising a bolt body, wherein an operating rust removal structure is provided in the bolt body;

[0005] The rust removal operation structure comprises: a receiving groove, a connecting block, a moving rod, a push plate, a spring, a pointed rod, a liquid storage bag, a baffle and a plurality of liquid outlet holes;

[0006] The receiving groove is opened at the center of the bolt body, the connecting block is fixedly installed at the upper end of the receiving groove, the moving rod is movably embedded in the connecting block, the pushing plate is fixedly installed at the upper end of the moving rod, the spring is movably sleeved on the upper end of the moving rod, and the two ends are respectively connected to the connecting block and the pushing plate, the pointed rod is fixedly installed at the lower end of the moving rod, the liquid storage bag is installed on the inner side wall of the receiving groove, the baffle is fixedly installed at the lower end of the receiving groove, and a plurality of the liquid outlet holes are respectively opened on the side walls of the bolt body, and are all connected to the receiving groove.

[0007] Preferably, the liquid storage bag is a soft liquid storage bag.

[0008] Preferably, a water-permeable hole is opened at the center of the baffle.

[0009] Preferably, a liquid separation rod is provided at the lower end of the containing tank.

[0010] Preferably, a connecting block is provided at the connection between the push plate and the moving rod.

[0011] Beneficial Effects

[0012] The utility model provides a tension-adjustable bolt, which has the following beneficial effects: the rust removal operation structure adopted in this case can inject rust remover into the bolt hole between the bolt and the metal part through the rust removal operation before disassembling the bolt, thereby ensuring that the bolt can effectively transmit tension and ensure the reliability and safety of the connection, thereby achieving the purpose of tension adjustment. At the same time, the use of this solution to remove rust from the bolt will not damage the thread or the bolt surface, thereby ensuring the subsequent service life and performance of the bolt. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 This is a schematic diagram of the main three-dimensional structure of a tension-adjustable bolt described in the utility model.

[0014] Figure 2 This is a schematic diagram of the front and cross-sectional structure of a tension-adjustable bolt described in the utility model.

[0015] In the figure: 1, bolt body, 2, receiving groove, 3, connecting block, 4, moving rod, 5, push plate, 6, spring, 7, pointed rod, 8, liquid storage bag, 9, baffle, 10, liquid outlet hole, 11, water permeable hole, 12, liquid separation rod, 13, push plate connecting block. DETAILED DESCRIPTION

[0016] Based on the embodiments of the present utility model, all other embodiments obtained by ordinary technicians in the field without making any creative work shall fall within the scope of protection of the present utility model.

[0017] Example: See Figure 1-2 In order to solve the influence of rust on the tension of the bolt and solve the problem of cumbersome operation and low efficiency caused by the current rust removal method of external spray penetration, a tension adjustable bolt is provided, including a bolt body 1, wherein the bolt body 1 is provided with an operating rust removal structure;

[0018] The rust removal operation structure comprises: a receiving groove 2, a connecting block 3, a moving rod 4, a push plate 5, a spring 6, a pointed rod 7, a liquid storage bag 8, a baffle 9 and a plurality of liquid outlet holes 10;

[0019] Before disassembling the bolt body 1, the staff first presses the push plate 5 in the receiving groove 2 with a pointed object, and drives the moving rod 4 to move downward in the connecting block 3 through the push plate 5. When the pointed rod 7 at the lower end of the moving rod 4 contacts the liquid outlet bag, the liquid storage bag 8 is ruptured, and the rust remover in the liquid storage bag 8 falls into the lower end of the receiving groove 2 through the water permeable hole 11 at the center of the baffle 9, and flows out through the plurality of liquid outlet holes 10 through the provided liquid separation rod 12, so as to perform rust removal operation on the contact position between the bolt and the workpiece, thereby reducing the influence of the wall rust on the bolt tension, thereby achieving the purpose of adjusting the bolt tension. When the liquid storage bag 8 is ruptured, it is reset by the spring 6 mounted on the upper end of the moving rod 4, driving the push plate 5, the moving rod 4 and the pointed rod 7 to reset.

[0020] The receiving groove 2 is opened at the center of the bolt body 1, the connecting block 3 is fixedly installed at the upper end of the receiving groove 2, the moving rod 4 is movably embedded in the connecting block 3, the push plate 5 is fixedly installed at the upper end of the moving rod 4, the spring 6 is movably sleeved on the upper end of the moving rod 4, and the two ends are respectively connected to the connecting block 3 and the push plate 5, the pointed rod 7 is fixedly installed at the lower end of the moving rod 4, the liquid storage bag 8 is installed on the inner side wall of the receiving groove 2, the baffle 9 is fixedly installed at the lower end of the receiving groove 2, and a plurality of the liquid outlet holes 10 are respectively opened on the side walls of the bolt body 1, and are all connected to the receiving groove 2.

[0021] Furthermore, the liquid storage bag 8 is a soft liquid storage bag 8.

[0022] Furthermore, a water permeable hole 11 is provided at the center of the baffle 9 .

[0023] Furthermore, a liquid separation rod 12 is provided at the lower end of the containing tank 2 .

[0024] Furthermore, a push plate connecting block 13 is provided at the connection between the push plate 5 and the moving rod 4 .

[0025] 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 tension-adjustable bolt, comprising a bolt body (1), characterized in that: The bolt body (1) is provided with an operating rust removal structure; The rust removal operation structure comprises: a containing groove (2), a connecting block (3), a moving rod (4), a push plate (5), a spring (6), a pointed rod (7), a liquid storage bag (8), a baffle (9) and a plurality of liquid outlet holes (10); The receiving groove (2) is opened at the center of the bolt body (1), the connecting block (3) is fixedly installed at the upper end of the receiving groove (2), the moving rod (4) is movably embedded in the connecting block (3), the pushing plate (5) is fixedly installed at the upper end of the moving rod (4), the spring (6) is movably sleeved on the upper end of the moving rod (4), and the two ends are respectively connected to the connecting block (3) and the pushing plate (5), the pointed rod (7) is fixedly installed at the lower end of the moving rod (4), the liquid storage bag (8) is installed on the inner side wall of the receiving groove (2), the baffle (9) is fixedly installed at the lower end of the receiving groove (2), and a plurality of liquid outlet holes (10) are respectively opened on the side walls of the bolt body (1), and are all connected to the receiving groove (2).

2. A tension adjustable bolt according to claim 1, characterized in that: The liquid storage bag (8) is a soft liquid storage bag (8).

3. The tension-adjustable bolt according to claim 1, characterized in that: A water permeable hole (11) is provided at the center of the baffle (9).

4. The tension-adjustable bolt according to claim 1, characterized in that: A liquid separation rod (12) is provided at the lower end of the containing tank (2).

5. The tension-adjustable bolt according to claim 1, characterized in that: A push plate connecting block (13) is provided at the connection between the push plate (5) and the moving rod (4).

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