Combined type double-spliced bar

Abstract

The utility model discloses a combined type double-spliced bar, which particularly relates to the technical field of bars, and comprises a bar body, the bar body is formed by combining and double-splicing a hollow outer bar body and a hollow inner bar body, the hollow inner bar body is positioned inside the hollow outer bar body, and the hollow inner bar body is positioned inside the hollow outer bar body. Auxiliary connecting structures are arranged at one end of the hollow outer bar body and the opposite end of the hollow inner bar body correspondingly, each auxiliary connecting structure comprises an auxiliary rod, T-shaped extending holes are formed in the surfaces of one end of the hollow outer bar body and one end of the hollow inner bar body correspondingly, and the auxiliary rods are installed in the corresponding T-shaped extending holes in a sliding mode; and one side of the T-shaped extension hole is communicated with a storage groove. The combined type double-spliced bar has the advantages of being good in corrosion resistance, stability, compression resistance and deformation resistance, high in mechanical performance, capable of being combined and disassembled conveniently, capable of improving disassembly and assembly convenience and capable of better meeting various use requirements in practical application scenes.

Description

TECHNICAL FIELD

[0001] The utility model relates to bar technology field more specifically, the utility model relates to combined double-pasted bar. BACKGROUND

[0002] In today's many industrial fields and various engineering construction projects, as a kind of basic and key structural components, bar is widely used in many scenes such as building support, mechanical transmission, equipment frame erection, etc., and bar is generally made of stainless steel ingot by hot rolling or forging.

[0003] However, the existing bar is not satisfactory in high strength, high temperature and pressure resistance and low temperature resistance, for example, the Chinese patent with publication number CN221483333U discloses a high-strength combined bar, the overall structure adopts a combined design structure, which facilitates split transportation or on-site assembly, improves the anti-deformation strength of the bar, and is resistant to high temperature and pressure, low temperature, has a long service life and ensures the use safety of the assembled parts; the hollow bar body, the circular internal thread layer are integrally formed, the circular hollow external thread shell, the bar core, the pouring liquid and the plurality of middle reinforcing bar cores are integrally formed, the above design is two split parts, which facilitates separate processing and has high production efficiency.

[0004] However, the structure is inconvenient for actual use and maintenance when it needs to be disassembled and maintained or the internal parts need to be replaced, as the combination of the bar mainly adopts the internal and external thread connection, and the two ends are flush after connection, which requires specific tools and consumes a lot of manpower and time cost, and in view of this, the utility model provides a combined double-pasted bar. UTILITY MODEL CONTENT

[0005] In order to overcome the above-mentioned defects of the prior art, the utility model provides a combined double-pasted bar to solve the problems in the background art.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a combined double-pasted bar, comprising a bar body, the bar body is combined double-pasted by a hollow outer bar body and a hollow inner bar body, wherein the hollow inner bar body is located inside the hollow outer bar body.

[0007] As can be seen, the bar body of the structure is combined double-pasted by a hollow outer bar body and a hollow inner bar body, has good compression resistance and deformation resistance, excellent mechanical properties, and meets the use requirements of different environments.

[0008] In order to facilitate the combination of the hollow inner rod material body, increase the corrosion prevention effect of the hollow outer rod material body, preferably, a plurality of internal thread grooves are equidistantly arranged on the inner wall of the hollow outer rod material body, a plurality of external thread grooves are equidistantly arranged on the outer wall of the hollow inner rod material body, the hollow inner rod material body is threadedly connected with the hollow outer rod material body through the external thread grooves and the internal thread grooves, and the outer surface of the hollow outer rod material body is coated with an epoxy zinc-rich paint corrosion-resistant coating.

[0009] In order to greatly improve the mechanical strength of the hollow inner rod material body, preferably, a rod core is arranged at the central part of the inner cavity of the hollow inner rod material body, a plurality of reinforcing rods are annularly and equidistantly arranged on the periphery of the rod core, a reinforcing plate is fixedly connected between each adjacent two reinforcing rods and between the reinforcing rod and the rod core, and a triangle is formed between each adjacent three reinforcing plates, and the inner cavity of the hollow inner rod material body is poured with a poured steel liquid.

[0010] In order to facilitate the combination of the hollow outer rod material body and the hollow inner rod material body, and facilitate subsequent disassembly and maintenance, preferably, one end of the hollow outer rod material body and the opposite end of the hollow inner rod material body are both provided with an auxiliary connecting structure, the auxiliary connecting structure comprises an auxiliary rod, a T-shaped extension hole is arranged on the surface of one end of the hollow outer rod material body and one end of the hollow inner rod material body, the auxiliary rod is slidingly installed in the corresponding T-shaped extension hole, one side of the T-shaped extension hole is communicated with a receiving groove, one end of the auxiliary rod is provided with a buckle disc, the outer wall of the buckle disc is sleeved with a rubber ring, the other end of the auxiliary rod is provided with a movable block, the buckle disc is matched with the receiving groove structure, the outer wall of the rubber ring is attached to the inner wall of the receiving groove, a buckle groove is arranged on the surface of the buckle disc, the outer wall of the movable block is slidingly connected to the inner wall of the T-shaped extension hole, and the movable block is interference-fitted with the T-shaped extension hole.

[0011] The technical effects and advantages of the utility model are as follows:

[0012] 1. By setting the auxiliary connecting structure, when the hollow outer rod material body and the hollow inner rod material body are combined or disassembled, the operator can make the auxiliary rod extend by simple operation, then hold the corresponding auxiliary rod with both hands and apply opposite rotating force, so that the combination or disassembly of the hollow outer rod material body and the hollow inner rod material body can be easily completed, the maintenance is convenient, the auxiliary rod can be stored back to the original position after the operation, the structure stability is ensured by the rubber ring, the problem of inconvenient disassembly of the double-pasted rod material is solved, and the convenience in use is improved.

[0013] 2、Through the double-splicing structure design of the threaded connection of the hollow outer rod body and the hollow inner rod body, and the arrangement of the rod core, the annular equidistantly distributed multiple reinforcing rods in the hollow inner rod body cavity, and the fixing connection of the reinforcing plates between the adjacent reinforcing rods and between the reinforcing rods and the rod core, and the multiple triangular structures formed by the reinforcing plates and the matching thereof, and the pouring of the relevant components into one whole by pouring molten steel, the compression resistance and deformation resistance of the hollow inner rod body are greatly improved, the strength of the whole rod body is further improved, good mechanical properties are exhibited, and various use scenarios with strength requirements can be better met. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a whole structure schematic view of the utility model.

[0015] Figure 2 It is a structure schematic view of one end of the hollow outer rod body of the utility model.

[0016] Figure 3 It is a structure schematic view of the other end of the hollow inner rod body of the utility model.

[0017] Figure 4 It is a connecting structure schematic view of the rod core, the reinforcing rod and the reinforcing plate of the utility model.

[0018] Figure 5 It is a detail enlarged schematic view of the auxiliary rod and the hollow inner rod body of the utility model.

[0019] The figure mark is: 1, rod body; 10, hollow outer rod body; 100, internal thread groove; 101, epoxy zinc-rich paint anticorrosive coating; 20, hollow inner rod body; 200, external thread groove; 201, rod core; 202, reinforcing rod; 203, reinforcing plate; 204, molten steel; 2, auxiliary rod; 3, T-shaped extension hole; 4, storage groove; 5, buckle disc; 6, rubber ring; 7, movable block; 8, buckle groove. DETAILED DESCRIPTION

[0020] The technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0021] As shown in the combined double-splicing rod shown in the drawings, Figures 1-5 The utility model discloses a combined double-splicing rod, which comprises a rod body 1, and is characterized in that: the rod body 1 is combined and spliced by a hollow outer rod body 10 and a hollow inner rod body 20, wherein the hollow inner rod body 20 is located in the inside of the hollow outer rod body 10.

[0022] The inner wall of the hollow outer bar body 10 is provided with a plurality of internal thread grooves 100 equidistantly, the outer wall of the hollow inner bar body 20 is provided with a plurality of external thread grooves 200 equidistantly, the hollow inner bar body 20 is threadedly connected with the hollow outer bar body 10 through the external thread grooves 200 and the internal thread grooves 100, and the outer surface of the hollow outer bar body 10 is coated with an epoxy zinc-rich paint anticorrosive coating 101;

[0023] The central part of the inner cavity of the hollow inner bar body 20 is provided with a bar core 201, the periphery of the bar core 201 is annularly and equidistantly provided with a plurality of reinforcing bars 202, a reinforcing plate 203 is fixedly connected between each adjacent two reinforcing bars 202 and between the reinforcing bar 202 and the bar core 201, and each adjacent three reinforcing plates 203 form a triangular shape, and the inner cavity of the hollow inner bar body 20 is poured with a poured steel liquid 204.

[0024] Specifically, in this structure, the bar body 1 is combined and double-spliced by the hollow outer bar body 10 and the hollow inner bar body 20, specifically;

[0025] The hollow outer bar body 10, the internal thread groove 100 and the epoxy zinc-rich paint anticorrosive coating 101 are an integral whole, the epoxy zinc-rich paint anticorrosive coating 101 can improve the anticorrosive effect of the surface of the hollow outer bar body 10, thereby improving the service life of the hollow outer bar body 10;

[0026] The hollow inner bar body 20, the bar core 201, the reinforcing bar 202, the reinforcing plate 203 and the poured steel liquid 204 are an integral whole, the bar core 201 and the reinforcing bar 202 are inside the hollow inner bar body 20 and can provide good strength for the hollow inner bar body 20, a plurality of reinforcing plates 203, the bar core 201 and the reinforcing bar 202 cooperate to form a plurality of triangular structures, which can further improve the mechanical properties of the hollow inner bar body 20, the hollow inner bar body 20, the bar core 201, the reinforcing bar 202 and the reinforcing plate 203 are poured into an integral whole by the poured steel liquid 204, and finally the compression resistance and deformation resistance of the hollow inner bar body 20 are improved;

[0027] When the hollow outer bar body 10 and the hollow inner bar body 20 are combined and double-spliced, the hollow inner bar body 20 is threadedly rotated with the internal thread grooves 100 of the hollow outer bar body 10 through the external thread grooves 200, that is, the combination and double-splicing of the entire bar body 1 are completed, so that the strength of the overall bar body 1 is further improved.

[0028] In specific embodiments, as shown in the accompanying drawings, Figure 1 , 2, 3, 5, one end of the hollow outer bar body 10 and the opposite end of the hollow inner bar body 20 are provided with auxiliary connecting structures, the auxiliary connecting structure includes an auxiliary rod 2, the surface of one end of the hollow outer bar body 10 and one end of the hollow inner bar body 20 is provided with a T-shaped extension hole 3, the auxiliary rod 2 is slidably installed in the corresponding T-shaped extension hole 3, one side of the T-shaped extension hole 3 is communicated with a receiving groove 4, one end of the auxiliary rod 2 is provided with a buckle 5, the outer wall of the buckle 5 is sleeved with a rubber ring 6, the other end of the auxiliary rod 2 is provided with a movable block 7, the buckle 5 is matched with the structure of the receiving groove 4, the outer wall of the rubber ring 6 is matched with the inner wall of the receiving groove 4, the surface of the buckle 5 is provided with a buckle groove 8, the outer wall of the movable block 7 is matched with the inner wall of the T-shaped extension hole 3 and is slidably connected, and the movable block 7 is interference fit with the T-shaped extension hole 3.

[0029] Specifically, in the structure, considering that in the prior art, the hollow outer bar body 10 and the hollow inner bar body 20 are combined and connected by threads when they are combined, and after being combined, the two ends of the hollow outer bar body 10 and the hollow inner bar body 20 are flush;

[0030] In order to facilitate disassembly and assembly, an operator can insert a finger or a stick-shaped structure into the buckle groove 8 on the surface of the buckle 5 at one end of the hollow outer bar body 10 and the opposite end of the hollow inner bar body 20, and apply a force to pull it outward, so that the buckle 5 is separated from the receiving groove 4, and then the auxiliary rod 2 is pulled by the buckle 5, so that the auxiliary rod 2 extends outward through the T-shaped extension hole 3, and the movable block 7 slides in the T-shaped extension groove, and when the movable block 7 cannot slide in the T-shaped extension groove after sliding to the end, the auxiliary rod 2 is in the longest state;

[0031] At this time, two operators hold the corresponding auxiliary rods 2 of the hollow outer bar body 10 and the hollow inner bar body 20 with both hands, and apply opposite rotating forces to the hollow outer bar body 10 and the hollow inner bar body 20, so that the hollow outer bar body 10 and the hollow inner bar body 20 can be easily combined, and the same principle can be used for disassembly and maintenance;

[0032] After use, the auxiliary rod 2 is extended into the T-shaped extension hole 3, and the buckle 5 is in the receiving groove 4, the tightness between the buckle 5 and the receiving groove 4 is increased by the rubber ring 6, so that the buckle 5 is prevented from being separated from the receiving groove 4.

[0033] The above only describes preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. Combined double-stitched bar, comprising a bar body (1), characterized in that: The rod body (1) is combined by a hollow outer rod body (10) and a hollow inner rod body (20), wherein the hollow inner rod body (20) is located inside the hollow outer rod body (10), and one end of the hollow outer rod body (10) and one end of the hollow inner rod body (20) are provided with auxiliary connecting structures; The auxiliary connecting structure comprises an auxiliary rod (2), one end of the hollow outer rod body (10) and one end of the hollow inner rod body (20) are provided with T-shaped extension holes (3), the auxiliary rod (2) is slidingly installed in the corresponding T-shaped extension hole (3), one side of the T-shaped extension hole (3) is communicated with a receiving groove (4), one end of the auxiliary rod (2) is provided with a buckle disc (5), the outer wall of the buckle disc (5) is provided with a rubber ring (6), and the other end of the auxiliary rod (2) is provided with a movable block (7).

2. The combined double-laying bar according to claim 1, characterized in that: A plurality of internal thread grooves (100) are equidistantly formed on the inner wall of the hollow outer rod body (10), a plurality of external thread grooves (200) are equidistantly formed on the outer wall of the hollow inner rod body (20), the hollow inner rod body (20) is threadedly connected with the hollow outer rod body (10) through the external thread grooves (200) and the internal thread grooves (100), and the outer surface of the hollow outer rod body (10) is coated with an epoxy zinc-rich paint anticorrosive coating (101).

3. The combined double-laying bar according to claim 1, characterized in that: A rod core (201) is arranged at the center of the inner cavity of the hollow inner rod body (20), a plurality of reinforcing rods (202) are annularly and equidistantly arranged on the periphery of the rod core (201), a reinforcing plate (203) is fixedly connected between every two adjacent reinforcing rods (202) and between the reinforcing rod (202) and the rod core (201), every three adjacent reinforcing plates (203) form a triangular shape, and the inner cavity of the hollow inner rod body (20) is poured with a poured steel liquid (204).

4. The combined double-laying bar according to claim 1, characterized in that: The buckle disc (5) is matched with the receiving groove (4), the outer wall of the rubber ring (6) is attached to the inner wall of the receiving groove (4), and a buckle groove (8) is formed in the surface of the buckle disc (5).

5. The combined double-laying bar according to claim 1, characterized in that: The outer wall of the movable block (7) is slidingly connected to the inner wall of the T-shaped extension hole (3), and the movable block (7) is in interference fit with the T-shaped extension hole (3).

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