CN111765302A

CN111765302A - Mechanical expansion shaft sealing assembly

Info

Publication number: CN111765302A
Application number: CN202010528097.9A
Authority: CN
Inventors: 关海文
Original assignee: Guangzhou Zhongwei Education Technology Co Ltd
Current assignee: Guangzhou Zhongwei Education Technology Co Ltd
Priority date: 2020-06-10
Filing date: 2020-06-10
Publication date: 2020-10-13

Abstract

The invention discloses a mechanical expansion shaft sealing assembly, wherein through holes are symmetrically formed in a connecting pipe, screw rods are symmetrically and rotatably connected in the inner cavity of each through hole, rotating bearings are symmetrically sleeved on the surfaces of the screw rods, baffle plates are symmetrically and fixedly sleeved at the two ends of each rotating bearing and the surface of each screw rod, connecting rods are symmetrically and fixedly connected on the surfaces of the rotating bearings, rubber pads are fixedly connected on the surfaces of one sides of the connecting rods, a sealing plate is fixedly connected on the surface of one end of each connecting pipe, and springs are symmetrically and fixedly connected between the inner cavity of the sealing plate and the surface of the connecting pipe. The air bag opening is plugged, and the phenomenon of air leakage at two ends of the connecting pipe is prevented.

Description

Mechanical expansion shaft sealing assembly

Technical Field

The invention relates to the technical field of mechanical accessories, in particular to a mechanical expansion shaft sealing assembly.

Background

The expansion shaft is a special rolling shaft, expansion roller, inflation shaft, pressure shaft and the like, and is suitable for other mechanical equipment, and comprises the following components: the machine comprises a coating machine, a leather machine, a setting machine, an embossing machine, a slitting machine, a die cutting machine, a rewinding machine, a paper tube machine, a laminating machine, a film blowing machine, a foaming machine, a film laminating machine, an embossing machine, a paper machine, a non-woven machine, a cloth inspecting machine, a stamping machine, a battery device and the like. A

The mechanical inflatable shaft used at present can be connected with the airbag of the inflatable tube to inflate the inner cavity of the shaft through the connecting tube when in use, so that the external lug is jacked up, but air leakage can occur when the connecting tube is connected with the inflatable tube, and the phenomenon of air leakage can also occur at the joint of the air hole and the airbag.

Disclosure of Invention

Aiming at the defects of the prior art, the invention provides a mechanical expansion shaft sealing assembly which solves the problems that when a used mechanical expansion shaft is used, an air bag in an inner cavity of the shaft is inflated by connecting an inflation tube through a connecting tube, so that an external lug is jacked up, but when the inflation tube is connected with the connecting tube, air leakage occurs, and air leakage occurs at the joint of an air hole and the air bag.

In order to achieve the purpose, the invention is realized by the following technical scheme: the mechanical shaft expansion sealing assembly comprises a connecting pipe, through holes are symmetrically formed in the connecting pipe, lead screws are symmetrically and rotatably connected in inner cavities of the through holes, rotating bearings are symmetrically sleeved on the surfaces of the lead screws in a fixed mode, baffle plates are symmetrically and fixedly connected to the two ends of each rotating bearing and the surfaces of the lead screws in a fixed mode, connecting rods are symmetrically and fixedly connected to the surfaces of the rotating bearings, and rubber pads are fixedly connected to the surfaces of one sides of the connecting rods.

Preferably, the surface of the connecting pipe is symmetrically and fixedly provided with external threads.

Preferably, the number of the screw rods is four, the number of the rotating bearings is four, and the number of the connecting rods is four and is the same size.

Preferably, the equal fixedly connected with of one end of lead screw is rotatory lid, the through-hole rotates with the lead screw and cup joints the surface of inner chamber and all opens fixedly and is equipped with the assorted screw thread.

Preferably, a sealing plate is fixedly connected to the surface of one end of the connecting pipe, an external thread is fixedly connected to the surface of the sealing plate, and springs are symmetrically and fixedly connected to the inner cavity of the sealing plate and the surface of the connecting pipe.

Preferably, the number of the springs is four, and the external threads and the rubber pad are made of elastic materials.

Advantageous effects

The invention provides a mechanical expansion shaft sealing assembly. Compared with the prior art, the method has the following beneficial effects:

1. this machinery axle seal assembly that rises, the through-hole has been seted up to the symmetry of connecting pipe, equal symmetrical rotation is connected with the lead screw in the inner chamber of through-hole, rolling bearing has been cup jointed to the fixed surface symmetry of lead screw, rolling bearing's both ends and the fixed baffle that has cup jointed of the equal symmetrical in surface of lead screw, rolling bearing's the equal symmetrical fixedly connected with connecting rod in surface, the fixed surface of connecting rod one side is connected with the rubber pad, the removal through the anticlockwise lead screw that drives of swivel cap, make the rubber pad expand, convenient connection, and the rotation of clockwise drive lead screw, can make the rubber pad return and contract, can effectually seal the junction of gas tube and connecting pipe.

2. This machinery axle seal assembly that rises, the one end fixed surface of connecting pipe is connected with the closing plate, and the fixed surface of closing plate is connected with the external screw thread, and the inner chamber of closing plate and the surface symmetry fixedly connected with spring of connecting pipe through the compression of closing plate and the elasticity of spring, make the closing plate carry out the expansion of inclination in the inner chamber of gasbag mouth, extrude the connector, can effectually carry out the shutoff to the gasbag mouth, prevent that the phenomenon of gas leakage from appearing in the gasbag mouth.

Drawings

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

FIG. 2 is a cross-sectional view of the structure of the present invention;

FIG. 3 is a partial bottom view of the structure of the present invention;

FIG. 4 is a view showing the structure of the connecting tube of the present invention.

In the figure: 1. a connecting pipe; 11. an external thread; 2. a sealing plate; 21. an external thread; 3. a rubber pad; 4. a connecting rod; 5. a rotating cover; 6. a rotating bearing; 7. a screw rod; 8. a baffle plate; 9. a through hole; 10. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: the mechanical expansion shaft sealing assembly comprises a connecting pipe 1, through holes 9 are symmetrically formed in the connecting pipe 1, lead screws 7 are symmetrically and rotatably connected in inner cavities of the through holes 9, rotating bearings 6 are symmetrically sleeved on the surfaces of the lead screws 7, baffle plates 8 are symmetrically and fixedly sleeved at two ends of each rotating bearing 6 and the surface of each lead screw 7, connecting rods 4 are symmetrically and fixedly connected on the surfaces of the rotating bearings 6, rubber pads 3 are fixedly connected on the surfaces of one sides of the connecting rods 4, external threads 11 are symmetrically and fixedly arranged on the surfaces of the connecting pipe 1, the number of the lead screws 7 is four, the number of the rotating bearings 6 is four, the connecting rods 4 are four and are members with the same size, rotating covers 5 are fixedly connected at one ends of the lead screws 7, matched threads are fixedly formed on the surfaces of the through holes 9 and the inner cavities of the lead screws 7 in a rotating and sleeving manner, and, the fixed surface of closing plate 2 is connected with external screw thread 21, and the inner chamber of closing plate 2 and the surperficial symmetry fixedly connected with spring 10 of connecting pipe 1, and the quantity of spring 10 is four, and external screw thread 21 and rubber pad 3 are the elasticity material.

When in use, one end of the connecting pipe 1 is rotationally connected with the air bag opening to ensure that the sealing plate 2 enters the inner cavity of the air bag opening, the outer thread 21 arranged on the surface of the sealing plate 2 is rotationally connected with the inner thread of the inner cavity of the air bag opening, the sealing plate 2 is extruded inwards due to the elasticity of the sealing plate 2 during rotation, meanwhile, the spring 10 connected with the inner cavity of the sealing plate 2 and the top of the connecting pipe 1 can be extruded along with the extrusion until the sealing plate 2 completely enters the air bag opening, the inner thread of the inner cavity of the air bag opening is rotated to the outer thread 11 to be fixed, the sealing plate 2 is driven to expand in the inner cavity of the air bag opening through the elasticity of the spring 10, the original state is recovered, a certain inclination is presented for extruding the connecting opening, the air bag opening can be effectively blocked, the air leakage phenomenon of the air bag opening is prevented, and the rotating rotary cover 5, make the rotatory lid 5 drive lead screw 7 through the bolt that the through-hole 9 inner chamber was seted up and carry out outside rotation, rolling bearing 6 is because of blocking of baffle 8 in the time of the pivoted, can carry out unmovable rotation, along with the whole outside removal of lead screw 7, can drive rubber pad 3 through connecting rod 4 and realize opening, rotate the gas tube and be connected with the external screw thread 11 on connecting pipe 1 surface again, connect good back, rotate rotatory lid 5 again, make rotatory lid 5 drive lead screw 7 and carry out inside removal, make connecting rod 4 drive rubber pad 3 get back to original state, rubber pad 3 can be tight laminating in the junction on gas tube box and connecting pipe 1 surface this moment, prevent that the junction on gas tube box and connecting pipe 1 surface from going out gas leakage.

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. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.

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. Mechanical shaft seal subassembly that rises, including connecting pipe (1), its characterized in that: through-hole (9) have been seted up to the symmetry of connecting pipe (1), equal symmetry rotation is connected with lead screw (7) in the inner chamber of through-hole (9), rolling bearing (6) have been cup jointed to the fixed surface symmetry of lead screw (7), the fixed cover in both ends of rolling bearing (6) and the equal symmetry in surface of lead screw (7) has been cup jointed baffle (8), the equal symmetrical fixedly connected with connecting rod (4) in surface of rolling bearing (6), the fixed surface of connecting rod (4) one side is connected with rubber pad (3).

2. The mechanical shaft expansion seal assembly of claim 1, wherein: the surface of the connecting pipe (1) is symmetrically and fixedly provided with external threads (11).

3. The mechanical shaft expansion seal assembly of claim 1, wherein: the number of the screw rods (7) is four, the number of the rotating bearings (6) is four, and the number of the connecting rods (4) is four and is the same size.

4. The mechanical shaft expansion seal assembly of claim 1, wherein: the equal fixedly connected with of one end of lead screw (7) is rotatory lid (5), through-hole (9) and lead screw (7) rotate the surface that cup joints the inner chamber and all open fixedly and be equipped with the assorted screw thread.

5. The mechanical shaft expansion seal assembly of claim 1, wherein: the surface of one end of the connecting pipe (1) is fixedly connected with a sealing plate (2), the surface of the sealing plate (2) is fixedly connected with an external thread (21), and an inner cavity of the sealing plate (2) and a surface of the connecting pipe (1) are fixedly connected with springs (10) symmetrically.

6. The mechanical shaft expansion seal assembly of claim 5, wherein: the number of the springs (10) is four, and the external threads (21) and the rubber pad (3) are made of elastic materials.