Explosion-proof tool for disassembling quick-opening bolt

Abstract

The utility model relates to an explosion -proof tool of quick -open bolt dismounting belongs to explosion -proof tool technical field. Including the inner rod of flat structure, the inner rod one end has the hand holds department, the other end with the flat hole on quick -open bolt matches, the outer periphery of inner rod is wrapped and is equipped with the outer cladding, the outer cladding is fixed to the outer periphery of inner rod through the connecting unit, and the outer cladding surface located inner rod middle part and hand holds department is equipped with antiskid layer respectively. The hand holds department is the cylinder, the hand holds department diameter is greater than the inner rod width, and the other end of inner rod has the convex that is arranged symmetrically. The connecting unit includes a plurality of connecting dowels, a plurality of connecting dowels are evenly spaced along the length direction of inner rod, the outer cladding is fixed to the outer periphery of inner rod through connecting dowel, and then the outer cladding and inner rod contact surface are tightly connected through welding. The present application is simple to operate, explosion -proof reliable, and has strong adaptability, improves the strength, prevents the deformation or fracture from happening, improves the service life and safety.

Description

Technical Field

[0001] This utility model relates to an explosion-proof tool for assembling and disassembling quick-release bolts, belonging to the technical field of explosion-proof tools. Background Technology

[0002] In flammable and explosive environments such as chemical and petroleum industries, quick-release bolts are commonly used to seal the connections of equipment flanges, manholes, and reaction vessels. However, several problems exist in practical applications: poor structural adaptability: most tools use a round rod design, which cannot be adapted to the special hole structure of quick-release bolts (such as flat holes), making it difficult to insert the tool into the hole, ineffective torque transmission, and resulting in low opening efficiency; traditional tools are mostly made of steel, which can easily generate sparks due to friction or impact during use, posing a safety hazard. Existing explosion-proof tools are mostly made of copper alloys, which, while possessing explosion-proof performance, lack sufficient strength, are prone to deformation or breakage, affecting service life and safety. Summary of the Invention

[0003] The technical problem to be solved by this utility model is to provide an explosion-proof tool for quick-release bolts that is easy to operate, reliable in explosion protection, highly adaptable, improves strength, prevents deformation or breakage, and improves service life and safety.

[0004] The technical solution adopted by this utility model to solve the above problems is as follows: an explosion-proof tool for disassembling and assembling quick-release bolts, including a flat inner rod, one end of which has a hand grip, and the other end of which matches the flat hole on the quick-release bolt; an outer layer is wrapped around the outer periphery of the inner rod, and the outer layer is fixed to the outer periphery of the inner rod by a connecting unit, and anti-slip layers are respectively provided on the surface of the outer layer located in the middle of the inner rod and the hand grip.

[0005] The grip is cylindrical, and the diameter of the grip is greater than the width of the inner rod. The other end of the inner rod has symmetrically arranged protrusions.

[0006] The connecting unit includes multiple connecting pins, which are evenly spaced along the length of the inner rod. The outer cladding is fixed to the outer periphery of the inner rod by the connecting pins, and then the contact surfaces of the outer cladding and the inner rod are tightly connected by welding.

[0007] The inner rod is made of iron, the outer cladding is made of bronze, and the connecting pin is made of copper.

[0008] Compared with the prior art, the advantages of this utility model are: an explosion-proof tool for quick-release bolts is easy to operate, reliable in explosion protection, highly adaptable, improves strength, prevents deformation or breakage, and improves service life and safety. Attached Figure Description

[0009] Figure 1This is a schematic diagram of an explosion-proof tool for disassembling and assembling quick-release bolts according to an embodiment of the present utility model; Figure 2 for Figure 1 A sectional view; In the diagram: 1 Inner rod, 2 Outer sheath, 3 Connecting pin, 4 Anti-slip layer, 5 Hand grip, 6 Protrusion. Detailed Implementation

[0010] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments.

[0011] like Figure 1 , 2 As shown in this embodiment, an explosion-proof tool for assembling and disassembling quick-release bolts includes a flat inner rod 1. One end of the inner rod 1 has a cylindrical grip 5, the diameter of which is larger than the width of the inner rod for easy gripping and force application. The other end of the inner rod 1 has symmetrically arranged protrusions 6, widening the other end of the inner rod so that it matches the flat hole of the quick-release bolt, effectively preventing the end of the inner rod from slipping out of the flat hole and improving the fit stability. An outer sheath 2 is wrapped around the outer periphery of the inner rod 1. The inner rod and the outer sheath are initially positioned by multiple connecting pins 3 evenly distributed along the length of the inner rod. Then, the contact point between the outer sheath and the inner rod is fixedly connected by welding. After welding, fine grinding ensures that the outer sheath completely adheres to the surface of the inner rod without any loose gaps, effectively preventing the outer sheath from falling off during long-term use.

[0012] The inner rod is made of iron, the outer cladding is made of bronze, and the connecting pins are made of copper. It employs a composite structure of an iron inner rod and an outer bronze cladding, with the outer cladding being 2mm thick. This tightly encapsulates the iron inner rod, providing both explosion-proof performance and increased strength to prevent deformation or breakage. A mesh-like anti-slip layer 4 is provided on the outer cladding surface at the grip area and the outer cladding surface in the middle of the inner rod to increase grip friction.

[0013] All parts of the outer surface of the explosion-proof tool are rounded, with no sharp edges, eliminating the risk of scratches during operation.

[0014] To use, align the flat inner rod end with the bolt and insert it into the flat hole of the quick-release bolt. Hold the handle with the anti-slip layer and apply torque according to the actual direction of rotation of the quick-release bolt. This allows for safe and efficient installation and removal of the quick-release bolt. During operation, the raised inner rod end effectively prevents the tool from slipping.

[0015] This application is easy to operate, has reliable explosion protection, strong adaptability, improved strength, prevents deformation or breakage, and improves service life and safety.

[0016] In addition to the above embodiments, this utility model also includes other implementation methods. All technical solutions formed by equivalent transformation or equivalent substitution should fall within the protection scope of the claims of this utility model.

Claims

1. An explosion-proof tool for assembling and disassembling quick-release bolts, characterized in that: The inner rod includes a flat structure, one end of which has a grip, and the other end of which matches a flat hole on a quick-release bolt. An outer layer is wrapped around the outer periphery of the inner rod, and the outer layer is fixed to the outer periphery of the inner rod by a connecting unit. Anti-slip layers are provided on the surface of the outer layer located in the middle of the inner rod and the grip.

2. The explosion-proof tool for disassembling and assembling quick-release bolts according to claim 1, characterized in that: The grip is cylindrical, and the diameter of the grip is greater than the width of the inner rod. The other end of the inner rod has symmetrically arranged protrusions.

3. The explosion-proof tool for assembling and disassembling quick-release bolts according to claim 1, characterized in that: The connecting unit includes multiple connecting pins, which are evenly spaced along the length of the inner rod. The outer cladding is fixed to the outer periphery of the inner rod by the connecting pins, and then the contact surfaces of the outer cladding and the inner rod are tightly connected by welding.

4. The explosion-proof tool for assembling and disassembling quick-release bolts according to claim 3, characterized in that: The inner rod is made of iron, the outer cladding is made of bronze, and the connecting pin is made of copper.

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