Quick-release type key bar inflatable shaft

Abstract

The utility model discloses a quick release type key bar inflatable shaft, and belongs to the technical field of inflatable shafts. The quick-release type key bar air expansion shaft comprises a shell, air receiving ports are formed in the two ends of the shell respectively, an air shaft is connected between the two air receiving ports in a penetrating mode, the outer wall of the air shaft is sleeved with a limiting block, the limiting block comprises a circular ring block, a clamping groove is formed in the outer wall of the circular ring block, a spherical groove is formed in the inner wall of the clamping groove, and the spherical groove is connected with the limiting block. A spherical groove is formed in the outer wall of the shell, a ball is rotationally connected into the spherical groove, a strip-shaped hole is formed in the outer wall of the shell, a key bar assembly is arranged in the strip-shaped hole, one end of the key bar assembly is located in the shell and matched with the interior of the clamping groove, the key bar assembly comprises a push plate, and the interior of the clamping groove is slidably connected with the push plate. A key strip block is welded to one side of the push plate, and the outer wall of the key strip block is attached to the inner wall of the strip-shaped hole.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of gas expansion shaft, concretely to a quick-release type key strip gas expansion shaft. BACKGROUND

[0002] It is a special winding, unwinding shaft, that is, the surface can protrude after high pressure inflation, and the surface part rapidly shrinks back after deflation, which is called gas expansion shaft.

[0003] At present, the existing gas expansion shaft structure is relatively complex, which leads to the cumbersome disassembly and assembly of workpieces, thereby being not conducive to replacing the damaged key strip. UTILITY MODEL CONTENTS

[0004] In order to solve the problem that the existing gas expansion shaft is not conducive to disassembly and assembly, the utility model provides a quick-release type key strip gas expansion shaft.

[0005] In view of the above problems, the technical scheme provided by the utility model is:

[0006] A quick-release type key strip gas expansion shaft, comprising an outer shell, two ends of the outer shell are respectively provided with gas connection ports, a gas shaft is connected between the two gas connection ports, a limiting block is arranged on the outer wall of the gas shaft, the limiting block comprises a circular block, a clamping groove is formed in the outer wall of the circular block, a spherical groove is formed in the inner wall of the clamping groove, a ball is rotatably connected in the spherical groove, a strip-shaped hole is formed in the outer wall of the outer shell, a key strip assembly is arranged in the strip-shaped hole, one end of the key strip assembly is located in the inner part of the outer shell and is matched with the inner part of the clamping groove.

[0007] Further, the key strip assembly comprises a push plate, the push plate is slidably connected in the inner part of the clamping groove, a key strip block is welded on one side of the push plate, and the outer wall of the key strip block is matched with the inner wall of the strip-shaped hole.

[0008] The beneficial effect of the above further scheme is that the welding of the push plate and the key strip block can limit the movement of the key strip block.

[0009] Further, a pressing pad is arranged on the outer wall of the key strip block, and one side of the pressing pad is connected with the outer wall of the push plate.

[0010] The beneficial effect of the above further scheme is that the use of the pressing pad can improve the sealing between the push plate and the outer shell.

[0011] Further, one side of the push plate is in contact with the outer wall of the ball.

[0012] The beneficial effect of the above further scheme is that the installation of the ball can make the push plate slide more smoothly in the clamping groove.

[0013] Further, the gas connection port comprises a twist cap, the two ends of the shell are respectively threadedly connected with twist caps, the outer wall of one of the twist caps is provided with a through hole, a gas nozzle is inserted into the through hole, and the outer wall of the gas nozzle is sleeved with a sealing gasket, and the sealing gasket is located in the through hole.

[0014] The beneficial effect of the above further scheme is that the rear through hole provides space for the insertion of the gas nozzle, and the sealing gasket is sleeved to improve the sealing performance of the gas nozzle in the through hole.

[0015] The beneficial effect of the above further scheme is that the twist plate is installed to facilitate the rotation of the gas nozzle.

[0016] Further, the outer walls of the two twist caps are respectively sleeved with gaskets, and one side of each of the two gaskets is attached to one side of the shell.

[0017] The beneficial effect of the above further scheme is that the installation of the gaskets improves the sealing performance between the twist caps and the shell.

[0018] Further, the gas shaft comprises a hollow shaft body, a threaded hole is formed in one side of the hollow shaft body, one end of the gas nozzle is threadedly connected to the threaded hole, an air outlet hole is formed in the outer wall of the hollow shaft body, and the air outlet hole and the limiting block are alternately arranged.

[0019] The beneficial effect of the above further scheme is that the threaded hole facilitates the connection of the gas nozzle, and the air outlet hole facilitates the release of air pressure from the inside of the shell by the hollow shaft body.

[0020] Compared with the prior art, the beneficial effect of the utility model is:

[0021] The quick-release key bar gas inflation shaft is convenient to disassemble and assemble through the cooperation of the gas connection port, the key bar assembly, the gas shaft and the limiting block. The gas connection port is threadedly connected to the two sides of the shell to provide a limiting space for the insertion of the gas shaft. The circular block is sleeved on the outer wall of the gas shaft, and the setting of the clamping groove allows the limiting gear to limit the key bar assembly, so that the key bar assembly can move in the same direction. The rolling ball is rotatably connected, so that the key bar assembly can freely slide in the clamping groove, thereby facilitating the separation of the gas shaft from the inside of the shell and the separation of the key bar assembly from the strip-shaped hole. BRIEF DESCRIPTION OF DRAWINGS

[0022] Figure 1 The utility model provides a kind of quick-release key bar gas inflation shaft's three-dimensional schematic diagram.

[0023] Figure 2 The utility model provides a kind of gas port of quick-release type key bar gas expansion shaft to be unfolded schematic diagram;

[0024] Figure 3 The utility model provides a kind of key bar assembly of quick-release type key bar gas expansion shaft to be unfolded schematic diagram;

[0025] Figure 4 The utility model provides a kind of gas shaft of quick-release type key bar gas expansion shaft schematic diagram;

[0026] Figure 5 The utility model provides a kind of limiting block of quick-release type key bar gas expansion shaft schematic diagram.

[0027] In the drawing: 100, shell;200, gas port;2001, twist cap;2002, gas nozzle;2003, sealing washer;2004, twist plate;2005, perforation;2006, gasket;300, key bar assembly;3001, push plate;3002, pressure pad;3003, key bar block;400, gas shaft;4001, hollow shaft body;4002, gas hole;4003, screw hole;500, limiting block;5001, circular ring block;5002, clamping groove;5003, ball. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0029] Embodiment one

[0030] Please refer to Figures 1-5The utility model provides a technical scheme: a quick detach type key strip gas inflation shaft, including the shell 100, the both ends of shell 100 are equipped with the gas port 200 respectively, and the gas axle 400 is connected with the intercalation between two gas ports 200, the outer wall of gas axle 400 is equipped with the limiting block 500, the limiting block 500 includes the ring block 5001, the outer wall of ring block 5001 is equipped with the clamping groove 5002, the inner wall of clamping groove 5002 is equipped with the spherical recess, the inside rotation of spherical recess is connected with the ball 5003, the outer wall of shell 100 is equipped with the strip hole, the inside of strip hole is equipped with key strip subassembly 300, and one end of key strip subassembly 300 is located in the inside of shell 100 and mutually coincides with the inside of clamping groove 5002, is connected in the both sides of shell 100 through the gas port 200 screw thread, makes its for the intercalation of gas axle 400 provides the spacing, again through the outer wall of ring block 5001 is equipped with gas axle 400, and the setting of cooperation clamping groove 5002 makes it can limit the gear of key strip subassembly 300, keeps key strip subassembly 300 and realizes the activity in the same orientation, again through the rotation connection of ball 5003, so that key strip subassembly 300 can slide freely in the inside of clamping groove 5002, thereby facilitating gas axle 400 to separate the inside of shell 100, and simultaneously be favorable to key strip subassembly 300 and strip hole are separated.

[0031] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. 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 those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0032] Embodiment three

[0033] Please refer to Figures 1-5 As an embodiment of the utility model, further, the key strip subassembly 300 includes the push plate 3001, the push plate 3001 is slidably connected in the inside of clamping groove 5002, the one side of push plate 3001 is welded with the key strip block 3003, the outer wall of key strip block 3003 is in conformance with the inner wall of strip hole, through the welding use of push plate 3001 and key strip block 3003, it can play the limiting action to the activity of key strip block 3003, the outer wall of key strip block 3003 is equipped with the pressure pad 3002, the one side of pressure pad 3002 is connected with the outer wall of push plate 3001, through the use of the setting of pressure pad 3002, it is convenient to improve the sealing between push plate 3001 and shell 100, the one side of push plate 3001 is in contact with the outer wall of ball 5003, through the installation use of ball 5003, the sliding of push plate 3001 in the inside of clamping groove 5002 is more smooth.

[0034] Embodiment three

[0035] Please refer to Figures 1-5 , as an embodiment of the utility model, further, the air inlet port 200 includes the twist cap 2001, the both ends of the shell 100 are respectively connected with the twist cap 2001, the outer wall of one of twist cap 2001 is provided with the perforation 2005, the perforation 2005 is connected with the air nozzle 2002, the outer wall of air nozzle 2002 is provided with the sealing washer 2003, the sealing washer 2003 is located in the inside of the perforation 2005, the space for the air nozzle 2002 is provided by the perforation 2005, the sealing washer 2003 is used, the sealing property of air nozzle 2002 in the inside of the perforation 2005 is improved, the twist plate 2004 is installed in the inside of air nozzle 2002, and the twist plate 2004 is horizontally distributed, the air nozzle 2002 is rotated by the installation of twist plate 2004, the outer wall of two twist caps 2001 is provided with the gasket 2006, the both sides of two gaskets 2006 are respectively attached to the both sides of shell 100, the sealing property between twist cap 2001 and shell 100 is improved by the installation of gasket 2006, the air shaft 400 includes the hollow shaft body 4001, the screw hole 4003 is formed in the side of hollow shaft body 4001, the screw hole 4003 is connected with one end of air nozzle 2002, the outer wall of hollow shaft body 4001 is provided with the air outlet hole 4002, the air outlet hole 4002 and the limiting block 500 are staggered, the air nozzle 2002 is connected by the screw hole 4003, the air pressure in the inside of shell 100 is released by the air outlet hole 4002.

[0036] Specifically, the working principle of the quick-release key bar inflatable shaft: in use, first, check whether the structure of the inflatable shaft is intact, and then put it into use after ensuring that the structure is intact, wherein the gas port 200 is threadedly connected on both sides of the shell 100 to provide a limiting space for the insertion of the gas shaft 400, and then the circular block 5001 is sleeved on the outer wall of the gas shaft 400, and the clamping groove 5002 is matched to limit the gear of the key bar assembly 300, so that the key bar assembly 300 can be kept in the same orientation to move, and then the rolling ball 5003 is connected by rotating, so that the key bar assembly 300 can slide freely in the clamping groove 5002, so that the gas shaft 400 can be separated from the inside of the shell 100, and the key bar assembly 300 can be separated from the strip-shaped hole, the welding of the push plate 3001 and the key bar block 3003 is used, which can limit the movement of the key bar block 3003, the setting of the rear perforation 2005 provides space for the insertion of the air nozzle 2002, the sealing washer 2003 is sleeved and used, which is helpful to improve the sealing performance of the air nozzle 2002 in the perforation 2005, the setting of the threaded hole 4003 is convenient for the communication of the air nozzle 2002, and the setting of the air outlet hole 4002 is convenient for the hollow shaft body 4001 to release the air pressure in the shell 100.

Claims

1. A quick release keyblade inflation shaft, characterized by, The utility model provides an air inlet pipe, including shell (100), two ends of shell (100) are equipped with air inlet port (200) respectively, and the air shaft (400) is connected between two air inlet port (200), the outer wall of air shaft (400) is sleeved with limit block (500), limit block (500) includes circular ring block (5001), the outer wall of circular ring block (5001) is equipped with clamping groove (5002), the inner wall of clamping groove (5002) is equipped with spherical recess, the inside rotation of spherical recess is connected with ball (5003), the outer wall of shell (100) is equipped with strip hole, the inside of strip hole is equipped with key strip subassembly (300), one end of key strip subassembly (300) is located in the inside of shell (100) and with the inside of clamping groove (5002) each other is in accord with.

2. The quick release keyblade gas inflation shaft of claim 1, wherein, The key strip subassembly (300) includes push plate (3001), the inside of clamping groove (5002) is connected with push plate (3001), one side of push plate (3001) is welded with key strip block (3003), the outer wall of key strip block (3003) is in accord with the inner wall of strip hole.

3. The quick release keyblade gas inflation shaft of claim 2, wherein, The outer wall of key strip block (3003) is sleeved with pressure pad (3002), one side of pressure pad (3002) is connected with the outer wall of push plate (3001).

4. The quick release keyblade gas inflation shaft of claim 3, wherein, One side of push plate (3001) is in contact with the outer wall of ball (5003).

5. The quick release keyblade gas inflation shaft of claim 1, wherein, The air inlet port (200) includes twist cap (2001), both ends of shell (100) are equipped with twist cap (2001) respectively, and the outer wall of one twist cap (2001) is equipped with perforation (2005), the inside of perforation (2005) is connected with air nozzle (2002), the outer wall of air nozzle (2002) is sleeved with sealing washer (2003), and sealing washer (2003) is located in the inside of perforation (2005).

6. The quick release keyblade gas inflation shaft of claim 5, wherein, The inside of air nozzle (2002) is installed with twist plate (2004), and twist plate (2004) is horizontally distributed.

7. The quick release keyblade gas inflation shaft of claim 6, wherein, The outer wall of two twist caps (2001) is sleeved with gasket (2006) respectively, and one side of two gaskets (2006) is in accord with the two sides of shell (100) respectively.

8. The quick release keyblade gas inflation shaft of claim 7, wherein, The air shaft (400) includes hollow shaft body (4001), one side of hollow shaft body (4001) is equipped with screw hole (4003), the inside of screw hole (4003) is connected with one end of air nozzle (2002) in screw thread, the outer wall of hollow shaft body (4001) is equipped with air outlet (4002), and air outlet (4002) and limit block (500) are staggered.

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