Adjustable inflatable shaft
By designing an adjustable distance mechanism and a threaded rod, the problem of adjusting the length of the air shaft was solved, enabling reliable clamping of the cylinder and precise length adjustment, thus improving the versatility and flexibility of the air shaft.
Patent Information
- Application Number
- CN202423176372.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-20
- Publication Date
- 2025-12-19
- Estimated Expiration
- 2034-12-20
AI Technical Summary
Existing air shafts do not have length adjustment function, making it difficult to meet the needs of cylinders of different sizes.
An adjustable air shaft was designed. Through the combination of the adjusting mechanism, air bladder and slide bar, the distance between the first shaft and the second shaft can be adjusted. Combined with the rotation adjustment of the threaded rod and the throttle, the telescopic stability and length adjustment are ensured.
It achieves reliable clamping of the cylinder and precise length adjustment, adapting to the installation requirements of cylinders of different widths, and improving the versatility and flexibility of the air shaft.
Smart Images
Figure CN223687857U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of gas expansion shaft, concretely is a kind of adjustable gas expansion shaft. BACKGROUND
[0002] Gas expansion shaft is a special winding, unwinding shaft, after high-pressure inflation, surface can be convex, surface part is quickly retracted after deflation, called gas expansion shaft, when using, just gas gun is on the gas nozzle of gas expansion shaft inflation can be completed, hold the external component (such as circular paper tube), when paper is unloaded, the external component (such as circular paper tube) is taken out by hand by pressing down gas nozzle. It is widely used.
[0003] Based on the above, the present inventor found that there are the following problems: the gas expansion shaft in use does not have length adjustment function, and it is difficult to meet the use of different sizes of cylinder.
[0004] Therefore, in view of the above, the existing structure and defects are improved, and an adjustable gas expansion shaft is provided to achieve a more practical value. INVENTION CONTENTS
[0005] The utility model is to provide a kind of adjustable gas expansion shaft, to solve the problem that the gas expansion shaft in use does not have length adjustment function in the background art described above, and it is difficult to meet the use of different sizes of cylinder.
[0006] In view of the above problems, the technical scheme provided by the utility model is:
[0007] An adjustable gas expansion shaft, comprising a connecting shaft, one end of the connecting shaft is connected with a first shaft sleeve, one end of the first shaft sleeve is installed with one end of a first shaft body, one end of the first shaft body is provided with a second shaft body, one end of the second shaft body is installed with a second shaft sleeve, the inner side of the second shaft sleeve is provided with a distance adjusting mechanism for adjusting the first shaft body and the second shaft body, the top end of the second shaft sleeve is embeddedly installed with a gas nozzle, the other end of the second shaft body is installed with a plurality of slide rods, one end of the slide rod and the inner side of the slide port are slidably connected, the outer side of the first shaft body and the outer side of the second shaft body are embeddedly provided with a key strip, the inside of the first shaft body is installed with a first air bag, the inside of the second shaft body is installed with a second air bag, the outer side of the first air bag and the outer side of the second air bag are installed with a limiting plate, and one end surface of the limiting plate and one end surface of the key strip are fixedly connected.
[0008] Further, the distance adjusting mechanism comprises a threaded rod, one end of the threaded rod is sleeved with a bearing, the outer side of the bearing and the inner side of the second shaft body are connected, one end of the threaded rod penetrates the inner side of the second shaft body, a threaded hole is formed in one side of the first shaft body, and the other end of the threaded rod and the inner side of the threaded hole are engaged by thread.
[0009] The beneficial effect of the above further scheme is that the rotation of the threaded rod can adjust the distance between the first shaft body and the second shaft body through the threaded engagement of the other end of the threaded rod and the inner side of the threaded hole.
[0010] Further, one end of the threaded rod is provided with a handle.
[0011] The beneficial effect of the above further scheme is that the handle installed at one end of the threaded rod facilitates the user to rotate the threaded rod.
[0012] Further, the inside of the sliding rod is provided with a bellows, one end of the bellows is provided with a first connecting pipe, and one end of the first connecting pipe is in communication with one side of the first air bag.
[0013] Further, the other end of the bellows is provided with a second connecting pipe, and one end of the second connecting pipe is in communication with one side of the second air bag.
[0014] The beneficial effect of the above further scheme is that the bellows, the first connecting pipe and the second connecting pipe are provided to realize the communication between the first air bag and the second air bag.
[0015] Further, the output end of the air nozzle is provided with an air pipe, one end of the air pipe is in communication with the other side of the second air bag.
[0016] The beneficial effect of the above further scheme is that the air pipe installed at the output end of the air nozzle realizes the inflation function of the second air bag.
[0017] Further, the outer side of the first shaft body and the outer side of the second shaft body are both embedded with a plurality of ball bearings.
[0018] The beneficial effect of the above further scheme is that the plurality of ball bearings embedded on the outer side of the first shaft body and the outer side of the second shaft body facilitate the sleeving of the cylinder body.
[0019] Compared with the prior art, the adjustable air expansion shaft has the beneficial effects that: the adjustable air expansion shaft is connected to the inner side of the one end of the slide rod and the slide opening, the first shaft body and the second shaft body have improved telescopic stability, the key strip protrudes by inflating the first air bag and the second air bag, the key strip applies uniform pressure to the cylinder body, thereby reliably clamping the cylinder body, the distance between the first shaft body and the second shaft body is accurately adjusted by the distance adjusting mechanism arranged on the inner side of the second shaft sleeve, the installation requirement of different width cylinder bodies is met, the universality and flexibility of the air expansion shaft are improved, the distance between the first shaft body and the second shaft body is adjusted by rotating the threaded rod, the threaded rod is conveniently rotated by the handle arranged on the one end of the threaded rod, the first air bag and the second air bag are communicated by the arrangement of the corrugated pipe, the first connecting pipe and the second connecting pipe, the air pipe is arranged on the output end of the air nozzle, thereby realizing the inflation function of the second air bag, the outer side of the first shaft body and the outer side of the second shaft body are embedded with a plurality of rolling balls, thereby conveniently sleeving the cylinder body, the length adjusting function is effectively realized, the cylinder body of different sizes is met, and the utility value is high. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 A three-dimensional structure schematic view is disclosed for the embodiment of the utility model.
[0021] Figure 2 A three-dimensional structure schematic view is disclosed for the embodiment of the utility model.
[0022] Figure 3 A three-dimensional structure schematic view is disclosed for the embodiment of the utility model.
[0023] Figure 4 A three-dimensional structure schematic view is disclosed for the embodiment of the utility model.
[0024] Figure 5 A sectional view is disclosed for the embodiment of the utility model.
[0025] In the drawing: 100, connecting shaft; 101, first shaft sleeve; 102, first shaft body; 10201, threaded hole; 10202, slide opening; 103, second shaft body; 104, second shaft sleeve; 105, distance adjusting mechanism; 10501, threaded rod; 10502, bearing; 10503, handle; 106, rolling ball; 107, key strip; 108, slide rod; 109, limiting plate; 110, second air bag; 111, second connecting pipe; 112, corrugated pipe; 113, first connecting pipe; 114, first air bag; 115, air pipe; 116, air nozzle. DETAILED DESCRIPTION
[0026] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0027] Please refer to Figures 1-5 The utility model provides a kind of adjustable air expansion shaft, including connecting shaft 100, the one end of connecting shaft 100 is connected with first shaft sleeve 101, the one end of first shaft sleeve 101 is installed with the one end of first shaft body 102, the one end of second shaft body 103 is equipped, the one end of second shaft body 103 is installed with second shaft sleeve 104, the inside of second shaft sleeve 104 is equipped with for adjusting first shaft body 102 and second shaft body 103 distance adjusting mechanism 105, the top of second shaft sleeve 104 is embedded and installed with air cock 116, the other end of second shaft body 103 is installed with several slide bars 108, the one end of first shaft sleeve 101 is equipped with several slide openings 10202, the inside of slide opening 10202 and the one end of slide bar 108 are slidably connected, the outside of first shaft body 102 and the outside of second shaft body 103 are embedded with key strip 107, the inside of first shaft body 102 is installed with first air bag 114, the inside of second shaft body 103 is installed with second air bag 110, the outside of first air bag 114 and the outside of second air bag 110 are installed with limit plate 109, the one end of limit plate 109 and the one end of key strip 107 are fixedly connected, by the one end of slide bar 108 and the inside of slide opening 10202 slidably connected, improve the telescopic stability of first shaft body 102 and second shaft body 103, by the setting of key strip 107, first air bag 114, second air bag 110 and limit plate 109, first air bag 114 and second air bag 110 are inflated, so that key strip 107 protrudes, uniform pressure is applied to cylinder, so that reliable clamping of cylinder is realized, by the inside of second shaft sleeve 104 is equipped with for adjusting first shaft body 102 and second shaft body 103 distance adjusting mechanism 105, the distance between first shaft body 102 and second shaft body 103 is accurately adjusted, the installation demand of different width cylinder is adapted, the versatility and flexibility of air expansion shaft are improved.
[0028] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of the present application.
[0029] Please refer to Figures 1-5The distance adjusting mechanism 105 comprises a threaded rod 10501, one end of the threaded rod 10501 is sleeved with a bearing 10502, the outer side of the bearing 10502 is connected with the inner side of the second shaft body 103, one end of the threaded rod 10501 penetrates through the inner side of the second shaft body 103, the first shaft body 102 is provided with a threaded hole 10201 on one side, the other end of the threaded rod 10501 is engaged with the inner side of the threaded hole 10201 through threads, one end of the threaded rod 10501 is provided with a handle 10503, the other end of the threaded rod 10501 is engaged with the inner side of the threaded hole 10201 through threads, the threaded rod 10501 is rotated to adjust the distance between the first shaft body 102 and the second shaft body 103, and the handle 10503 is arranged at one end of the threaded rod 10501, so that the user can conveniently rotate the threaded rod 10501.
[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the present application.
[0031] Please refer to Figures 1-5 The inner side of the sliding rod 108 is provided with a bellows 112, one end of the bellows 112 is provided with a first connecting pipe 113, one end of the first connecting pipe 113 is communicated with one side of a first air bag 114, the other end of the bellows 112 is provided with a second connecting pipe 111, one end of the second connecting pipe 111 is communicated with one side of a second air bag 110, the output end of the air nozzle 116 is provided with an air pipe 115, one end of the air pipe 115 is communicated with the other side of the second air bag 110, the outer side of the first shaft body 102 and the outer side of the second shaft body 103 are both embedded with a plurality of rolling balls 106, the bellows 112, the first connecting pipe 113 and the second connecting pipe 111 are arranged, so that the first air bag 114 and the second air bag 110 are communicated, the output end of the air nozzle 116 is provided with the air pipe 115, so that the second air bag 110 has an inflation function, and the outer side of the first shaft body 102 and the outer side of the second shaft body 103 are both embedded with a plurality of rolling balls 106, so that the cylinder body is conveniently sleeved.
[0032] Specifically, the working principle of the adjustable air expansion shaft: in use, through the sliding connection of one end of the slide rod 108 and the inner side of the slide opening 10202, the extension and retraction stability of the first shaft body 102 and the second shaft body 103 is improved, through the setting of the key bar 107, the first air bag 114, the second air bag 110 and the limiting plate 109, the first air bag 114 and the second air bag 110 are inflated, that is, the key bar 107 is protruded, uniform pressure is applied to the cylinder, thereby realizing reliable clamping of the cylinder, the distance adjusting mechanism 105 is arranged on the inner side of the second shaft sleeve 104 for adjusting the first shaft body 102 and the second shaft body 103, the distance between the first shaft body 102 and the second shaft body 103 is accurately adjusted, the installation requirement of different width cylinders is adapted, the versatility and flexibility of the air expansion shaft are improved, the inner side of the other end of the threaded rod 10501 and the threaded hole 10201 are engaged through threads, the rotation of the threaded rod 10501 can adjust the distance between the first shaft body 102 and the second shaft body 103, the handle 10503 is installed at one end of the threaded rod 10501, which facilitates the rotation of the threaded rod 10501, the first air bag 114 and the second air bag 110 are communicated through the setting of the corrugated pipe 112, the first connecting pipe 113 and the second connecting pipe 111, the air pipe 115 is installed at the output end of the air nozzle 116, the inflation function of the second air bag 110 is realized, a plurality of ball bearings 106 are embedded on the outer side of the first shaft body 102 and the outer side of the second shaft body 103, which facilitates the sleeving of the cylinder, the length adjusting function can be effectively realized, the use of cylinders of different sizes is satisfied, and the utility model has high practical value.
Claims
1. An adjustable gas inflated shaft, characterized by, The utility model provides a connecting shaft (100) is connected with first shaft sleeve (101) one end, first shaft sleeve (101) one end is equipped with first shaft body (102) one end is equipped with second shaft body (103), second shaft body (103) one end is equipped with second shaft sleeve (104), second shaft sleeve (104) inside is equipped with the distance adjusting mechanism (105) for adjusting first shaft body (102) and second shaft body (103), second shaft sleeve (104) top end is embedded and is equipped with air cock (116), second shaft body (103) other end is equipped with a plurality of slide bar (108), first shaft sleeve (101) one end surface is equipped with a plurality of slide mouth (10202), slide bar (108) one end and slide mouth (10202) inside slide connection, first shaft body (102) outside and second shaft body (103) outside are embedded with key strip (107), first air bag (114) is installed in first shaft body (102) inside, second air bag (110) is installed in second shaft body (103) inside, first air bag (114) outside and second air bag (110) outside are equipped with limiting plate (109), limiting plate (109) one end surface and key strip (107) one end surface fixed connection.
2. An adjustable pneumatic axle as in claim 1, wherein, The distance adjusting mechanism (105) includes a threaded rod (10501), one end of the threaded rod (10501) is sleeved with a bearing (10502), the outer side of the bearing (10502) is connected with the inner side of the second shaft body (103), one end of the threaded rod (10501) penetrates the inner side of the second shaft body (103), one side of the first shaft body (102) is provided with a threaded hole (10201), the other end of the threaded rod (10501) is engaged with the inner side of the threaded hole (10201) through threads.
3. An adjustable pneumatic axle as in claim 2, wherein, One end of the threaded rod (10501) is provided with a handle (10503).
4. An adjustable pneumatic axle as in claim 1, wherein, The slide bar (108) is provided with a bellows (112) in the inside, one end of the bellows (112) is provided with a first connecting pipe (113), one end of the first connecting pipe (113) is communicated with one side of the first air bag (114).
5. An adjustable pneumatic axle as defined in claim 4, wherein, The other end of the bellows (112) is provided with a second connecting pipe (111), one end of the second connecting pipe (111) is communicated with one side of the second air bag (110).
6. An adjustable pneumatic axle as in claim 1, wherein, The output end of the air cock (116) is provided with an air pipe (115), one end of the air pipe (115) is communicated with the other side of the second air bag (110).
7. An adjustable pneumatic axle as in claim 1, wherein, The outer side of the first shaft body (102) and the outer side of the second shaft body (103) are embedded with a plurality of balls (106).