CN219279151U

CN219279151U - Adjustable physiosis axle

Info

Publication number: CN219279151U
Application number: CN202320748207.1U
Authority: CN
Inventors: 蔡章飞
Original assignee: Kunshan Shenghui Machinery Technology Co ltd
Current assignee: Kunshan Shenghui Machinery Technology Co ltd
Priority date: 2023-04-07
Filing date: 2023-04-07
Publication date: 2023-06-30
Anticipated expiration: 2033-04-07

Abstract

The utility model discloses an adjustable throttle expansion shaft which comprises a first shaft cylinder, a second shaft cylinder, a third shaft cylinder and telescopic mechanisms, wherein four telescopic mechanisms are arranged on the first shaft cylinder, the second shaft cylinder and the third shaft cylinder, the right side of the first shaft cylinder is connected with the second shaft cylinder, the right side of the second shaft cylinder is connected with the third shaft cylinder, the right end of the first shaft cylinder is provided with a first thread cylinder connected with the second shaft cylinder, the right side of the first shaft cylinder is provided with a first sliding groove, the left end of the second shaft cylinder is provided with a first sealing sleeve inserted into the first sliding groove, the wall thickness of the first sealing sleeve is the same as the inner width of the first sliding groove, the first sealing sleeve is in sliding connection with the first sliding groove, the right end of the second shaft cylinder is provided with a second thread cylinder, the left end of the third shaft cylinder is provided with a second sealing sleeve, and the second sliding groove for inserting the second sealing sleeve is arranged on the second shaft cylinder. The utility model has convenient length adjustment and is convenient for using objects with different lengths.

Description

Adjustable physiosis axle

Technical Field

The utility model relates to the technical field of inflatable shafts, in particular to an adjustable inflatable shaft.

Background

It is a special winding and unwinding shaft, that is, a shaft whose surface can be raised after high-pressure inflation, and a shaft whose surface portion can be quickly retracted after deflation is called an inflatable shaft.

The single length of the existing inflatable shaft is fixed, and can not be adjusted according to the length of an object, so that aiming at the current situation, the development of an adjustable inflatable shaft with convenient length adjustment and convenient use for objects with different lengths is urgently needed, so that the defects in the current practical application are overcome, and the current requirements are met.

Disclosure of Invention

The utility model aims to provide an adjustable air expansion shaft so as to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides an adjustable throttle expansion shaft, includes first axle section of thick bamboo, second axle section of thick bamboo, third axle section of thick bamboo and telescopic machanism, all install four telescopic machanism on first axle section of thick bamboo, second axle section of thick bamboo and the third axle section of thick bamboo, the right side of first axle section of thick bamboo is connected with the second axle section of thick bamboo, the right-hand member of first axle section of thick bamboo is installed the first screw thread section of thick bamboo that links to each other with the second axle section of thick bamboo, the right side of first axle section of thick bamboo is provided with first spout, the left end of second axle section of thick bamboo is provided with the first seal cover of inserting first spout, the wall thickness of first seal cover is the same with the internal width of first spout, first seal cover and first spout sliding connection, the right-hand member of second axle section of thick bamboo is provided with the second screw thread section of thick bamboo, the left end of thick bamboo is provided with the second seal cover, be provided with the second spout that is used for second seal cover male on the second axle section of thick bamboo, the wall thickness of thick bamboo is the same with the internal width of second spout, second seal cover and second spout sliding connection.

Preferably: the first shaft cylinder, the second shaft cylinder and the third shaft cylinder are all made of stainless steel.

Preferably: the first thread cylinder and the second thread cylinder are hollow.

Preferably: the telescopic mechanism comprises: the telescopic block is provided with a limiting baffle at the bottom, the size of the limiting baffle is larger than that of the telescopic block, the number of the switching frames is two, and each switching frame is provided with a compression spring connected with the limiting baffle.

Preferably: the left end of the first shaft cylinder is provided with an air inlet pipe, the right end of the third shaft cylinder is provided with an air outlet pipe, and the air outlet pipe is provided with a pressure relief valve.

The beneficial effects of the utility model are as follows: the adjustable air expansion shaft is used, the second shaft cylinder is screwed to move on the first threaded cylinder, the distance between the first shaft cylinder and the second shaft cylinder is adjusted, the third shaft cylinder is screwed to move on the second threaded cylinder, and the distance between the second shaft cylinder and the third shaft cylinder is adjusted, so that the overall length is convenient to adjust, the adjustable air expansion shaft is convenient to adapt to different objects, after the adjustable air expansion shaft is adjusted, the whole device is inserted into an inner ring of an annular object (an external object to be clamped), a high-pressure air source is introduced from an air inlet pipe, the telescopic block is extruded through the high-pressure air, the telescopic block is enabled to move outwards, the inner ring of the annular object of the telescopic block is clamped, after the adjustable air expansion shaft is used, a pressure relief valve is opened, the high-pressure air flows out, the telescopic block is retracted under the driving of a compression spring, the telescopic block is separated from the inner ring of the annular object, and the annular object is taken down. In conclusion, the utility model has the advantages of convenient length adjustment and convenient use for objects with different lengths.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic view of the utility model in an extended state of fig. 1.

Fig. 3 is an internal cross-sectional view of the present utility model.

Fig. 4 is a schematic view of a part of the structure of the present utility model.

Fig. 5 is a partial view of the interior of the first shaft barrel of the present utility model.

Legend description:

1. a first shaft barrel; 101. a first chute; 102. a first thread cylinder; 2. a second shaft barrel; 201. a first gland; 202. a second thread cylinder; 203. a second chute; 3. a third shaft tube; 301. a second gland; 4. a telescoping mechanism; 401. a telescopic block; 402. a limiting baffle; 403. a transfer frame; 404. a compression spring; 5. an air inlet pipe; 6. an air outlet pipe; 601. and a pressure release valve.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Specific examples are given below.

Referring to fig. 1 to 5, in the embodiment of the present utility model, an adjustable balloon shaft includes a first shaft barrel 1, a second shaft barrel 2, a third shaft barrel 3 and a telescopic mechanism 4, where the first shaft barrel 1, the second shaft barrel 2 and the third shaft barrel 3 are all made of stainless steel, so that they have good wear resistance and corrosion resistance, four telescopic mechanisms 4 are installed on the first shaft barrel 1, the second shaft barrel 2 and the third shaft barrel 3, the right side of the first shaft barrel 1 is connected with the second shaft barrel 2, the right side of the second shaft barrel 2 is connected with the third shaft barrel 3, the right end of the first shaft barrel 1 is installed with a first threaded barrel 102 connected with the second shaft barrel 2, the right side of the first shaft barrel 1 is provided with a first chute 101, the left end of the second shaft barrel 2 is provided with a first sealing sleeve 201 inserted into the first chute 101, the wall thickness of the first sealing sleeve 201 is the same as the inner width of the first chute 101, the first seal cover 201 is in sliding connection with the first sliding groove 101, after the first thread cylinder 102 is screwed together with the second shaft cylinder 2 through threads, the first seal cover 201 shields the first thread cylinder 102, air leakage and pressure relief are prevented, the right end of the second shaft cylinder 2 is provided with the second thread cylinder 202, the left end of the third shaft cylinder 3 is provided with the second seal cover 301, the second shaft cylinder 2 is provided with the second sliding groove 203 used for the insertion of the second seal cover 301, the wall thickness of the second seal cover 301 is the same as the inner width of the second sliding groove 203, the second seal cover 301 is in sliding connection with the second sliding groove 203, the second thread cylinder 202 is blocked through the second seal cover 301, air leakage and pressure relief are prevented, the first thread cylinder 102 and the second thread cylinder 202 are all hollow, air flow is facilitated, and the telescopic mechanism 4 comprises: the telescopic block 401, spacing separation blade 402, switching frame 403 and compression spring 404, the bottom of telescopic block 401 is provided with spacing separation blade 402 (telescopic block 401 in the first section of thick bamboo 1 and its sliding connection, telescopic block 401 in the second section of thick bamboo 2 and its sliding connection, telescopic block 401 in the third section of thick bamboo 3 and its sliding connection), the size of spacing separation blade 402 is bigger than the size of telescopic block 401, carry out spacing preventing telescopic block 401 by spacing separation blade 402 and extrude by atmospheric pressure, the quantity of switching frame 403 is two, switching frame 403 is fixed to be set up (switching frame 403 in the first section of thick bamboo 1 is fixed rather than the inner wall, switching frame 403 in the second section of thick bamboo 2 is fixed rather than the inner wall, switching frame 403 in the third section of thick bamboo 3 is fixed rather than the inner wall), all install a compression spring 404 that links to each other with spacing separation blade 402 on the switching frame 403, the left end of first section of thick bamboo 1 is provided with intake pipe 5, the right-hand member of third section of thick bamboo 3 is provided with outlet duct 6, be provided with pressure release valve 601 on the outlet duct 6, during the use, link external high-pressure air source with 5, open after the use, high-pressure gas release valve 601 is discharged.

Working principle: when the adjustable air expansion shaft is used, the second shaft cylinder 2 is screwed to move on the first threaded cylinder 102, the distance between the first shaft cylinder 1 and the second shaft cylinder 2 is adjusted, the third shaft cylinder 3 is screwed to move on the second threaded cylinder 202, the distance between the second shaft cylinder 2 and the third shaft cylinder 3 is adjusted, the overall length is convenient to adjust, the adjustable air expansion shaft is convenient to adapt to different objects, after the adjustable air expansion shaft is adjusted, the whole device is inserted into the inner ring of an annular object (an external object to be clamped), a high-pressure air source is introduced from the air inlet pipe 5, the telescopic block 401 is extruded through the high-pressure air, the telescopic block 401 is outwards moved, the inner ring of the annular object of the telescopic block 401 is clamped, after the use is finished, the pressure release valve 601 is opened, the high-pressure air flows out, the telescopic block 401 is retracted under the driving of the compression spring 404, the telescopic block 401 is separated from the inner ring of the annular object, and the annular object is removed.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims

1. The utility model provides an adjustable throttle expansion shaft, its characterized in that includes first axle section of thick bamboo (1), second axle section of thick bamboo (2), third axle section of thick bamboo (3) and telescopic machanism (4), all install four telescopic machanism (4) on first axle section of thick bamboo (1), the right side of first axle section of thick bamboo (1) is connected with second axle section of thick bamboo (2), the right side of second axle section of thick bamboo (2) is connected with third axle section of thick bamboo (3), first screw thread section of thick bamboo (102) that links to each other with second axle section of thick bamboo (2) are installed to the right-hand member of first axle section of thick bamboo (1), the right side of first axle section of thick bamboo (1) is provided with first spout (101), the left end of second axle section of thick bamboo (2) is provided with first seal cover (201) that inserts first spout (101), the wall thickness of first seal cover (201) is the same with the inside width of first spout (101), the right side of second axle section of thick bamboo (2) is provided with third axle section of thick bamboo (2) is provided with first spout (3), the wall thickness of second axle section of thick bamboo (301) is provided with second spout (301) is used for the inside seal cover (301) of second axle section of thick bamboo (203), the second sealing sleeve (301) is in sliding connection with the second sliding groove (203).

2. The adjustable gas expansion shaft according to claim 1, characterized in that the first shaft cylinder (1), the second shaft cylinder (2) and the third shaft cylinder (3) are all made of stainless steel.

3. The adjustable gas expansion shaft of claim 1, wherein the first threaded cylinder (102) and the second threaded cylinder (202) are each hollow.

4. The adjustable throttle expansion shaft according to claim 1, characterized in that the telescopic mechanism (4) comprises: the telescopic block comprises telescopic blocks (401), limiting baffle plates (402), switching frames (403) and compression springs (404), wherein the limiting baffle plates (402) are arranged at the bottoms of the telescopic blocks (401), the size of each limiting baffle plate (402) is larger than that of each telescopic block (401), the number of the switching frames (403) is two, and each switching frame (403) is provided with one compression spring (404) connected with each limiting baffle plate (402).

5. The adjustable air expansion shaft according to claim 1, wherein an air inlet pipe (5) is arranged at the left end of the first shaft cylinder (1), an air outlet pipe (6) is arranged at the right end of the third shaft cylinder (3), and a pressure relief valve (601) is arranged on the air outlet pipe (6).