Reinforced PU pipe

Abstract

The utility model relates to the technical field of PU pipes, in particular to a reinforced PU pipe which comprises a connecting box and PU pipes, the PU pipes are inserted into the two sides of the connecting box, a clamping mechanism is arranged in the connecting box and comprises a clamping assembly, the top end of the clamping assembly is connected with a driving assembly, and the driving assembly is connected with a driving motor. The top end of the driving assembly extends to the outer side of the top end of the connecting box, the inner end of the PU pipe is sleeved with a reinforcing sleeve, the reinforcing sleeve comprises a threaded pipe, the interior of the threaded pipe is connected with a sealing sleeve plug, the sealing sleeve plug can be filled in the PU pipe, and the threaded pipe is inserted in the centers of the two sides of the connecting box in a threaded mode; the PU pipe can be synchronously clamped and fixed after extending into the inner wall of the protruding pipe through a clamping assembly in the clamping mechanism, so that subsequent operation is facilitated, and the stability is improved; the clamping assembly can be conveniently operated through a driving assembly for clamping, so that dismounting and mounting are facilitated; and the sealing sleeve plug is supported through the continuously flowing gas, so that the stability is further improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PU pipes, in particular to a reinforced PU pipe. Background Art

[0002] PU tube is the English abbreviation of POLYURETHANE TUBING. PU tube is the preferred pneumatic pressure hose in the pneumatic industry. PU tube has been widely used due to its excellent characteristics such as corrosion resistance and good physical and mechanical properties. According to the publication number CN210920575U, a reinforced PU tube is disclosed, including a PU tube body, a reinforcement seat is arranged on the outside of the PU tube body, a polyurethane material layer is arranged in the PU tube body, a corrosion-resistant layer is arranged on the outside of the polyurethane material layer, a buffer layer is arranged on the outside of the corrosion-resistant layer, a flame-retardant layer is arranged on the outside of the buffer layer, a steel wire braided layer is arranged on the outside of the flame-retardant layer, an aging-resistant layer is arranged on the outside of the steel wire braided layer, a wear-resistant layer is arranged on the outside of the aging-resistant layer, the wear-resistant layer, the aging-resistant layer, the steel wire braided layer, the flame-retardant layer The flame retardant layer, buffer layer, corrosion-resistant layer and polyurethane material layer are stacked in sequence from the outside to the inside to form an integrated structure; a reinforcement block is arranged in the PU tube body, and the outer side of the reinforcement block is connected to one end of multiple telescopic tubes, and the other end of each telescopic tube is connected to the inner wall of the PU tube body. The reinforcement block, compression spring and telescopic tube arranged in the PU tube body can prevent the pipe clamp from squeezing the pipe when the pipe is connected, thereby avoiding pipe blockage. However, during use, the two sets of PU pipes cannot be connected due to the soft texture of the PU pipe, and the air tightness will be affected if the PU pipe is not fixed for a long time when connecting the pipes, and the cracking of the connection part of the PU pipe cannot be quickly replaced, affecting the efficiency. Therefore, it is urgent to design a reinforced PU pipe to solve the above problems. Utility Model Content

[0003] The purpose of the utility model is to provide a reinforced PU tube to solve the problems raised in the above background technology, however, during use, the two groups of PU tubes cannot be connected due to the soft texture of the PU tube, and the air tightness will be affected if the PU tube is not fixed for a long time when connecting the pipelines, and the connection parts of the PU tube are cracked and cannot be quickly replaced, affecting efficiency.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a reinforced PU tube, comprising a connecting box and a PU tube, PU tubes are inserted on both sides of the connecting box, a clamping mechanism is provided inside the connecting box, the clamping mechanism includes a clamping assembly, the top end of the clamping assembly is connected to a driving assembly, the top end of the driving assembly extends to the outside of the top end of the connecting box, the inner end of the PU tube is sleeved with a reinforcement sleeve, the reinforcement sleeve includes a threaded tube, the inside of the threaded tube is connected to a sealing sleeve plug, the sealing sleeve plug can be loaded inside the PU tube, and the threaded tube is threadedly inserted in the center of both sides of the connecting box.

[0005] Preferably, the connection box comprises a fixed recessed block, a sealing cover is fixedly arranged on the bottom of the fixed recessed block, two sets of slide rails are fixedly arranged inside the fixed recessed block, a sliding block is sleeved inside the slide rails, connecting ports are provided on the two inner walls of the fixed recessed block, and a protruding tube is fixedly arranged on the outer side of the inner wall of the connecting port.

[0006] Preferably, the clamping assembly comprises a fixing sleeve, the fixing sleeve is respectively sleeved on both ends of the threaded rod, the fixing sleeve is sleeved on the inner front and rear walls of the fixing recess, and a fixing column is fixedly provided at the center of the threaded rod.

[0007] Preferably, threaded sleeves are sleeved on the front and rear sides of the fixing column, connecting plates are fixed on both sides of the threaded sleeve, the connecting plates are respectively fixed to the inner walls of the curved clamping plates, and the curved clamping plates are in four groups facing each other.

[0008] Preferably, the driving assembly includes a chain group, the bottom end of the chain group is connected to the outer side of the fixed column, the top end of the chain group is connected to the rear end of the fixed shaft, the front end of the fixed shaft is fixed to the bottom side of the rear end of the baffle, the top end of the baffle is fixed to the bottom end of the sealing cover, and the rear end of the fixed shaft is fixed with a transverse bevel tooth, and the right side of the transverse bevel tooth engages with the left side of the bottom end of the vertical bevel tooth.

[0009] Preferably, the vertical bevel gear is fixed at the bottom end of the rotating rod, the top end of the rotating rod passes through the center of the fixed bearing fixed at the center of the sealing cover and extends upward, and the top end of the rotating rod is fixed with a rotating handle.

[0010] Preferably, a reinforcement ring is fixed on the rear side of the sealing sleeve plug, and the reinforcement ring is sleeved inside the PU tube. An inner circle thread is provided inside the front end of the sealing sleeve plug, an annular inner groove is provided on the outer side of the front end of the reinforcement ring, eight groups of connecting circular holes are provided in the inner ring of the annular inner groove, and eight groups of square air holes are provided on the side of the annular inner groove.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] The reinforced PU tube can clamp two groups of PU tubes through the connection ports opened on both sides of the fixed recessed block in the connection box and the sealing cover on the top, which facilitates the connection and reduces the connection time. The clamping assembly in the clamping mechanism can simultaneously clamp and fix the PU tube after it extends into the inner wall of the protruding tube, which facilitates subsequent operations and improves stability. The driving assembly can be used to conveniently operate the clamping assembly for clamping, which facilitates disassembly and installation.

[0013] The reinforced PU tube can be quickly and conveniently threadedly fixed inside the connection box through a threaded tube in a reinforcement sleeve, and the gas can be sent into the annular inner groove through the connecting circular hole through the annular inner groove opened at the top of the sealing sleeve plug, and then discharged through the square air holes opened on the side. This device facilitates gas discharge and supports the sealing sleeve plug through the continuous flow of gas, further improving stability. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a top view schematic diagram of the utility model;

[0015] Figure 2 This is a top view of the utility model;

[0016] Figure 3 This is a schematic diagram of the internal structure of the connection box of the utility model;

[0017] Figure 4 This is a schematic diagram of disassembling the PU tube and reinforcement sleeve of the utility model;

[0018] Figure 5 This is a schematic diagram of the sealing sleeve plug structure of the utility model.

[0019] In the figure: 1. connecting box; 11. fixing concave block; 12. sealing cover; 13. slide rail; 14. slider; 15. connecting port; 16. protruding tube; 2. clamping mechanism; 21. clamping assembly; 211. fixing sleeve; 212. threaded rod; 213. fixing column; 214. threaded sleeve; 215. connecting plate; 216. curved clamp; 22. driving assembly; 221. chain group; 222. fixing shaft; 223. baffle; 224. transverse bevel gear; 225. vertical bevel gear; 226. rotating rod; 227. fixing bearing; 228. rotating handle; 3. PU tube; 4. reinforcement sleeve; 41. threaded tube; 42. sealing sleeve plug; 421. reinforcement ring; 422. annular inner groove; 423. connecting circular hole; 424. square air hole; 425. inner circle thread. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figure 1-5 , an embodiment provided by the utility model:

[0022] A reinforced PU tube, comprising a connection box 1 and a PU tube 3, PU tubes 3 are inserted on both sides of the connection box 1, and is characterized in that: a clamping mechanism 2 is provided inside the connection box 1, the clamping mechanism 2 comprises a clamping assembly 21, the top end of the clamping assembly 21 is connected to a driving assembly 22, the top end of the driving assembly 22 extends to the outside of the top end of the connection box 1, a reinforcement sleeve 4 is sleeved on the inner end of the PU tube 3, the reinforcement sleeve 4 comprises a threaded tube 41, the inside of the threaded tube 41 is connected to a sealing sleeve plug 42, the sealing sleeve plug 42 can be filled in the inside of the PU tube 3, and the threaded tube 41 is threadedly inserted in the center of both sides of the connection box 1.

[0023] Furthermore, the connection box 1 includes a fixed recessed block 11, a sealing cover 12 is fixed to the fixed recessed block 11, two sets of slide rails 13 are fixed inside the fixed recessed block 11, a slider 14 is sleeved inside the slide rail 13, a connection port 15 is opened on both inner walls of the fixed recessed block 11, and a protruding tube 16 is fixed on the outer side of the inner wall of the connection port 15, so as to facilitate the connection and reduce the connection time.

[0024] As a further feature of the present invention, the clamping assembly 21 includes a fixing sleeve 211, which is respectively sleeved on both ends of the threaded rod 212, and the fixing sleeve 211 is sleeved on the inner front and rear walls of the fixing recess 11. A fixing column 213 is fixedly arranged at the center of the threaded rod 212, and threaded sleeves 214 are sleeved on the front and rear sides of the fixing column 213, and connecting plates 215 are fixedly arranged on both sides of the threaded sleeve 214, and the connecting plates 215 are respectively fixed to the inner walls of the curved clamping plates 216, and the curved clamping plates 216 are arranged in four groups, two by two, for clamping and fixing, which facilitates subsequent operations and improves stability.

[0025] Furthermore, the driving assembly 22 includes a chain group 221, the bottom end of the chain group 221 is connected to the outer side of the fixed column 213, the top of the chain group 221 is connected to the rear end of the fixed shaft 222, the front end of the fixed shaft 222 is fixed to the bottom side of the rear end of the baffle 223, the top of the baffle 223 is fixed to the bottom end of the sealing cover 12, the rear end of the fixed shaft 222 is fixed with a transverse bevel gear 224, the right side of the transverse bevel gear 224 engages with the bottom left side of the vertical bevel gear 225, the vertical bevel gear 225 is fixed to the bottom end of the rotating rod 226, the top end of the rotating rod 226 passes through the center of the fixed bearing 227 fixed in the center of the sealing cover 12 and extends upward, the top end of the rotating rod 226 is fixed with a rotating handle 228 for clamping to facilitate disassembly and installation.

[0026] As a further step of the present invention, a reinforcement ring 421 is fixedly arranged on the rear side of the sealing sleeve plug 42, and the reinforcement ring 421 is sleeved inside the PU tube 3. An inner circle thread 425 is provided inside the front end of the sealing sleeve plug 42, and an annular inner groove 422 is provided on the outer side of the front end of the reinforcement ring 421. Eight groups of connecting circular holes 423 are provided in the inner ring of the annular inner groove 422, and eight groups of square air holes 424 are provided on the side of the annular inner groove 422. The sealing sleeve plug is supported by the continuously flowing gas to further improve the stability.

[0027] Working principle: When in use, the user first sets the inner side of the PU tube 3 on the outer side of the internal sealing sleeve plug (42) of the threaded tube (41) in the reinforcement sleeve 4, and then extends one side of the inner threaded tube 41 of the PU tube 3 into the internal thread of the connection port 15 opened on both sides of the fixed recessed block 11 to fix it. Then, the rotating handle 228 at the top of the sealing cover 12 can be rotated to drive the bottom rotating rod 226 to rotate in the fixed bearing 227. The rotation of the rotating rod 226 can drive the vertical bevel gear 225 fixed at the bottom to engage with the horizontal bevel gear 224 on the left side of the bottom to rotate. The rotation of the horizontal bevel gear 224 can drive the fixed rotating shaft 222 to rotate. The rotation of the fixed rotating shaft 222 drives the chain group 221 to drive the fixed column 213 at the center of the bottom threaded rod 212 to rotate. The rotation of 213 drives the threaded rod 212 to rotate in the fixed sleeves 211 fixed on both sides. When the threaded rod 212 rotates, it can drive the threaded sleeves 214 on both sides and the curved clamping plate 216 connected by the connecting plates 215 on both sides to move outward. When the curved clamping plate 216 moves to the side in the protruding tube 16, the PU tube 3 and the reinforcement sleeve 4 can be fixed to the inside of the protruding tube 16. The curved clamping plate 216 can slide in the slide rail 13 through the slider 14 connected to the bottom end. When the PU tube 3 is ventilated, part of the air flow is sent into the annular inner groove 422 through the connecting circular hole 423 at the bottom of the reinforcement ring 421, and then flows out through the square air hole 424. Through this design, the air flow can be used to squeeze the sealing sleeve plug 42 to improve stability. The above is the entire working principle of the utility model.

[0028] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A reinforced PU tube, comprising a connection box (1) and a PU tube (3), wherein the PU tubes (3) are inserted on both sides of the connection box (1), characterized in that: The connection box (1) is provided with a clamping mechanism (2) inside, the clamping mechanism (2) comprises a clamping assembly (21), the top end of the clamping assembly (21) is connected to a driving assembly (22), the top end of the driving assembly (22) extends to the outside of the top end of the connection box (1), the inner end of the PU tube (3) is sleeved with a reinforcing sleeve (4), the reinforcing sleeve (4) comprises a threaded tube (41), the inside of the threaded tube (41) is connected to a sealing sleeve plug (42), the sealing sleeve plug (42) can be filled inside the PU tube (3), and the threaded tube (41) is threadedly inserted in the center of both sides of the connection box (1).

2. A reinforced PU tube according to claim 1, characterized in that: The connection box (1) comprises a fixed recessed block (11), a sealing cover (12) is fixedly arranged on the bottom of the fixed recessed block (11), two sets of slide rails (13) are fixedly arranged inside the fixed recessed block (11), a sliding block (14) is sleeved inside the slide rails (13), connecting ports (15) are provided on two inner walls of the fixed recessed block (11), and a protruding tube (16) is fixedly arranged on the outer side of the inner wall of the connecting port (15).

3. A reinforced PU tube according to claim 1, characterized in that: The clamping assembly (21) comprises a fixing sleeve (211), the fixing sleeve (211) being respectively sleeved on the two ends of a threaded rod (212), the fixing sleeve (211) being sleeved on the inner front and rear walls of the fixing recess (11), and a fixing column (213) being fixedly arranged at the center of the threaded rod (212).

4. A reinforced PU tube according to claim 3, characterized in that: The front and rear sides of the fixing column (213) are sleeved with threaded sleeves (214), and connecting plates (215) are fixed on both sides of the threaded sleeve (214). The connecting plates (215) are respectively fixed to the inner walls of the curved clamping plates (216), and the curved clamping plates (216) are in four groups, two by two, facing each other.

5. The reinforced PU tube according to claim 1, characterized in that: The driving assembly (22) comprises a chain group (221), the bottom end of the chain group (221) is connected to the outer side of the fixed column (213), the top end of the chain group (221) is connected to the rear end of the fixed rotating shaft (222), the front end of the fixed rotating shaft (222) is fixedly arranged on the bottom side of the rear end of the baffle (223), the top end of the baffle (223) is fixedly arranged on the bottom end of the sealing cover (12), and the rear end of the fixed rotating shaft (222) is fixedly arranged with a transverse bevel tooth (224), and the right side of the transverse bevel tooth (224) meshes with the left side of the bottom end of the vertical bevel tooth (225).

6. A reinforced PU tube according to claim 5, characterized in that: The vertical bevel gear (225) is fixedly mounted on the bottom end of the rotating rod (226), the top end of the rotating rod (226) passes through the center of a fixed bearing (227) fixedly mounted on the center of the sealing cover (12) and extends upward, and a rotating handle (228) is fixedly mounted on the top end of the rotating rod (226).

7. The reinforced PU tube according to claim 1, characterized in that: A reinforcing ring (421) is fixedly arranged on the rear side of the sealing sleeve plug (42), and the reinforcing ring (421) is sleeved inside the PU tube (3). An inner circle thread (425) is provided inside the front end of the sealing sleeve plug (42), and an annular inner groove (422) is provided on the outer side of the front end of the reinforcing ring (421). Eight groups of connecting circular holes (423) are provided in the inner ring of the annular inner groove (422), and eight groups of square air holes (424) are provided on the side of the annular inner groove (422).

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