CN211366598U

CN211366598U - Rotary air expansion shaft

Info

Publication number: CN211366598U
Application number: CN201922414627.2U
Authority: CN
Inventors: 蔡章飞
Original assignee: Kunshan Shenghui Machinery Technology Co ltd
Current assignee: Kunshan Shenghui Machinery Technology Co ltd
Priority date: 2019-12-29
Filing date: 2019-12-29
Publication date: 2020-08-28
Anticipated expiration: 2029-12-29

Abstract

The utility model discloses a rotation inflatable shaft, including axis body and lug, first shifting chute and second shifting chute have been seted up to the side of axis body, the internal surface of first shifting chute and the surface sliding connection of lug, the internal surface sliding connection of second shifting chute has the trachea, the utility model relates to an inflatable shaft technical field. This rotation inflatable shaft, when the inside contact of sheet rubber outside object, drive the trachea towards the inside removal of axis body, the trachea drives the fixed plate and removes, the trachea is when the inside removal of axis body, second through-hole and air flue intercommunication, first through-hole and air pocket intercommunication, when sheet rubber and outside object separate, the spring drives the fixed plate and removes, the fixed plate drives the trachea and removes towards the direction of keeping away from the axis body, the lug atress that has realized being located outside object in removes towards outside object, other lugs are not atress, when having solved common inflatable shaft and using at every turn, all can drive all lugs and remove, the problem of the efficiency of air pump has been reduced.

Description

Rotary air expansion shaft

Technical Field

The utility model relates to an inflatable shaft technical field specifically is a rotation inflatable shaft.

Background

The air expansion shaft is a special winding shaft, an expansion shaft, an air expansion roller, an air expansion shaft, a pressure shaft and the like, and is divided into a key type air expansion shaft, a plate type air expansion shaft, a round dot air expansion shaft, an aluminum alloy air expansion shaft, an air nail shaft and the like, and the air expansion shaft is better than a common shaft in that the whole shaft is not required to be unloaded. The material can be taken away after being directly deflated, the operation is more convenient because the width of the inflatable shaft is not large, and the inflatable shaft is also selected by a plurality of machines which are light in material receiving weight and small in width.

When the inflatable shaft uses, aerify the position that changes inside lug through the air pump, realize inflatable shaft and external object's fixed through a plurality of lugs and external object's mutual extrusion, remove external object, but common inflatable shaft is when using, drive all lugs and remove, when external object is short, the invalid condition of part lug can appear, the availability factor who leads to the air pump is low, and after the inflatable shaft used, the most inboard position can not got back to automatically to inside lug, next time use needs manual regulation, and the work load has been increased, the waste time.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a rotation inflatable shaft has solved common inflatable shaft and when using at every turn, all can drive all lugs and remove, can not ensure the lug after having reduced the efficiency of air pump and using and can arrive the most inboard position, uses the problem that needs manual regulation next time.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a rotary air expansion shaft comprises a shaft body and a convex block, wherein a first moving groove and a second moving groove are formed in the side surface of the shaft body, the inner surface of the first moving groove is connected with the outer surface of the lug in a sliding way, the inner surface of the second moving groove is connected with an air pipe in a sliding way, a first through hole and a second through hole are arranged on the side surface of the air pipe, a groove is arranged on the side surface of the shaft body, a rubber sheet is fixedly connected with the inner surface of the groove, the side surface of the rubber sheet is pressed with one end of the air pipe, the top of the shaft body is provided with an air passage communicated with the inner cavity of the second moving groove, the shaft body is internally provided with an air groove communicated with the inner cavity of the second moving groove, the shaft body is internally provided with a fixed groove, and the inner cavity of the fixed groove is communicated with the inner cavity of the first movable groove, the inner cavity of the fixed groove is fixedly connected with an air bag, and the inner cavity of the air bag is communicated with the inner cavity of the air groove.

Preferably, the inner cavity of the fixing groove is slidably connected with a sliding plate, and the side surface of the sliding plate is in pressure joint with the side surface of the airbag.

Preferably, a push rod is fixedly connected to a side surface of the sliding plate, and one end of the push rod is in press-connection with one side of the outer surface of the projection.

Preferably, a side groove is formed in the side face of the bump, and a rubber band is fixedly connected to the inner surface of the side groove.

Preferably, a communicating groove is formed in the shaft body, an inner cavity of the communicating groove is communicated with an inner cavity of the first moving groove, and the inner surface of the communicating groove is in sliding connection with the outer surface of the rubber band.

Preferably, the locating slot is opened to the side of axis body, tracheal surface cover is equipped with the spring, and the one end of spring and the bottom crimping of locating slot inner chamber.

Preferably, the side surface of the air pipe is fixedly connected with a fixing plate, and one end of the spring is in compression joint with the side surface of the fixing plate.

Advantageous effects

The utility model provides a rotation inflatable shaft. Compared with the prior art, the method has the following beneficial effects:

(1) the rotary air-expanding shaft comprises a shaft body, wherein a first moving groove and a second moving groove are formed in the side surface of the shaft body, the inner surface of the first moving groove is connected with the outer surface of a lug in a sliding mode, the inner surface of the second moving groove is connected with an air pipe in a sliding mode, a first through hole and a second through hole are formed in the side surface of the air pipe, a groove is formed in the side surface of the shaft body, a rubber sheet is fixedly connected to the inner surface of the groove, the side surface of the rubber sheet is in pressure connection with one end of the air pipe, an air passage communicated with the inner cavity of the second moving groove is formed in the top of the shaft body, an air groove communicated with the inner cavity of the second moving groove is formed in the shaft body, a fixing groove is formed in the shaft body, the inner cavity of the fixing groove is communicated with the inner cavity of the first moving groove, an air bag is fixedly connected to, the trachea drives the fixed plate and removes, spring compression, when the trachea removes towards the axis body is inside, second through-hole and air flue intercommunication, first through-hole and air pocket intercommunication, when the sheet rubber separates with the external object, the spring drives the fixed plate and removes, the fixed plate drives the trachea and removes towards the direction of keeping away from the axis body, the lug atress that has realized being located the external object removes towards the external object, other lugs are not atress, when having solved common inflatable shaft and using at every turn, all can drive all lugs and remove, the problem of the efficiency of air pump has been reduced.

(2) This rotation inflatable shaft, side channel has been seted up through the side at the lug, the internal surface fixedly connected with rubber band in side channel, the intercommunication groove has been seted up to the inside of axis body, and the inner chamber in intercommunication groove and the inner chamber intercommunication in first shifting chute, the internal surface in intercommunication groove and the surface sliding connection of rubber band, the same rip cutting position of axis body sets up three lug, connect through the rubber band between two adjacent lugs, when the axis body inserts external object, the lug is outside removal towards the axis body under the push rod effect, the rubber band is tensile, when the axis body leaves external object, the rubber band drives the lug and removes towards the axis body is inside, can not ensure the lug can to the innermost position after having solved common inflatable shaft and using, next time needs manual regulation's problem.

Drawings

Fig. 1 is a schematic external structural view of the present invention;

FIG. 2 is a schematic view of the structural connection between the protrusion and the shaft body according to the present invention;

FIG. 3 is a schematic view of the structural connection between the airbag and the shaft body according to the present invention;

FIG. 4 is a schematic view of the connection between the bump and the rubber band;

FIG. 5 is a schematic view showing the structural connection between the air tube and the rubber band;

fig. 6 is a schematic view of the structural connection between the air passage and the second moving groove according to the present invention;

fig. 7 is a partially enlarged view of a portion a in fig. 3 according to the present invention.

In the figure: 1. a shaft body; 2. a bump; 3. a first moving slot; 4. a second moving slot; 5. an air tube; 6. a first through hole; 7. a second through hole; 8. a groove; 9. a rubber sheet; 10. an airway; 11. an air tank; 12. fixing grooves; 13. an air bag; 14. a sliding plate; 15. a push rod; 16. a side groove; 17. a rubber band; 18. a communicating groove; 19. positioning a groove; 20. a spring; 21. and (7) fixing the plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a rotary air expansion shaft comprises a shaft body 1 and a plurality of convex blocks 2, wherein the convex blocks 2 are arranged, a first moving groove 3 and a second moving groove 4 are formed in the side surface of the shaft body 1, the inner surface of the first moving groove 3 is connected with the outer surface of the convex block 2 in a sliding manner, an air pipe 5 is connected with the inner surface of the second moving groove 4 in a sliding manner, a first through hole 6 and a second through hole 7 are formed in the side surface of the air pipe 5, a groove 8 is formed in the side surface of the shaft body 1, a rubber sheet 9 is fixedly connected with the inner surface of the groove 8, the side surface of the rubber sheet 9 is in compression joint with one end of the air pipe 5, an air passage 10 communicated with the inner cavity of the second moving groove 4 is formed in the top of the shaft body 1, the air passage 10 is communicated with an external air pump through a communicating pipe, an air groove 11 communicated with the inner cavity of the second moving groove 4 is formed in the shaft body 1, a, each fixed groove 12 is communicated with three first moving grooves 3, an air bag 13 is fixedly connected with an inner cavity of the fixed groove 12, the inner cavity of the air bag 13 is communicated with an inner cavity of the air groove 11, a sliding plate 14 is slidably connected with the inner cavity of the fixed groove 12, three sliding plates 14 are arranged in each fixed groove 12, the side surfaces of the sliding plates 14 are in compression joint with the side surfaces of the air bag 13, a push rod 15 is fixedly connected with the side surface of each sliding plate 14, one end of each push rod 15 is in compression joint with one side of the outer surface of each lug 2, the side surface of each lug 2 is provided with a side groove 16, the inner surface of each side groove 16 is fixedly connected with a rubber band 17, two adjacent lugs 2 are connected through two adjacent rubber bands 17, a communication groove 18 is formed in the shaft body 1, the inner cavity of each communication groove 18 is communicated with the inner cavity of each first, the outer surface cover of trachea 5 is equipped with spring 20, and the bottom crimping of spring 20 and constant head tank 19 inner chamber, and the side fixedly connected with fixed plate 21 of trachea 5, and the side crimping of spring 20 and fixed plate 21.

And those not described in detail in this specification are well within the skill of those in the art.

When the rubber sheet is used, the shaft body 1 is disassembled into an external object, when the rubber sheet 9 is contacted with the internal part of the external object, the air pipe 5 is driven to move towards the internal part of the shaft body 1, the air pipe 5 drives the fixing plate 21 to move, the spring 20 is compressed, when the air pipe 5 moves towards the internal part of the shaft body 1, the second through hole 7 is communicated with the air passage 10, the first through hole 6 is communicated with the air groove 11, the air passage 10 is communicated with an external air pump through a communication device, air is conveyed into the air passage 10 through the external air pump, the air enters the air pipe 5 through the air passage 10 and the second through hole 7, enters the air groove 11 through the first through hole 6, finally enters the air bag 13, the air bag 13 expands to drive the sliding plate 14 to move, the sliding plate 14 drives the push rod 15 to move, the push rod 15 drives the lug 2 to move, the rubber band 17, when needing to be let go, close external air pump, axis body 1 is taken out to lug 17 inside removal towards axis body under the effect of rubber band 17 in the external object body, external object and the 9 separation backs of sheet rubber, and spring 20 drives fixed plate 21 and removes, and fixed plate 21 drives trachea 5 and removes towards the direction of keeping away from axis body 1.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a rotation inflatable shaft, includes axis body (1) and lug (2), first shifting chute (3) and second shifting chute (4) have been seted up to the side of axis body (1), the internal surface of first shifting chute (3) and the surface sliding connection of lug (2), its characterized in that: the inner surface of the second moving groove (4) is connected with an air pipe (5) in a sliding way, the side surface of the air pipe (5) is provided with a first through hole (6) and a second through hole (7), a groove (8) is formed in the side surface of the shaft body (1), a rubber sheet (9) is fixedly connected to the inner surface of the groove (8), the side surface of the rubber sheet (9) is pressed with one end of the air pipe (5), the top of the shaft body (1) is provided with an air passage (10) communicated with the inner cavity of the second moving groove (4), an air groove (11) communicated with the inner cavity of the second moving groove (4) is formed in the shaft body (1), a fixing groove (12) is formed in the shaft body (1), and the inner cavity of the fixed groove (12) is communicated with the inner cavity of the first movable groove (3), the inner cavity of the fixing groove (12) is fixedly connected with an air bag (13), and the inner cavity of the air bag (13) is communicated with the inner cavity of the air groove (11).

2. The rotary air shaft as claimed in claim 1, wherein: the inner cavity of the fixed groove (12) is connected with a sliding plate (14) in a sliding mode, and the side face of the sliding plate (14) is in pressure connection with the side face of the air bag (13).

3. The rotary air shaft as claimed in claim 2, wherein: the side surface of the sliding plate (14) is fixedly connected with a push rod (15), and one end of the push rod (15) is in compression joint with one side of the outer surface of the convex block (2).

4. The rotary air shaft as claimed in claim 1, wherein: side grooves (16) are formed in the side faces of the convex blocks (2), and rubber bands (17) are fixedly connected to the inner surfaces of the side grooves (16).

5. The rotary air shaft as claimed in claim 1, wherein: a communicating groove (18) is formed in the shaft body (1), an inner cavity of the communicating groove (18) is communicated with an inner cavity of the first moving groove (3), and the inner surface of the communicating groove (18) is connected with the outer surface of the rubber band (17) in a sliding mode.

6. The rotary air shaft as claimed in claim 1, wherein: locating slot (19) has been seted up to the side of axis body (1), the surface cover of trachea (5) is equipped with spring (20), and the one end of spring (20) and the bottom crimping of locating slot (19) inner chamber.

7. The rotary air shaft as claimed in claim 1, wherein: the side face of the air pipe (5) is fixedly connected with a fixing plate (21), and one end of a spring (20) is in compression joint with the side face of the fixing plate (21).