CN215633603U

CN215633603U - Vacuum generator

Info

Publication number: CN215633603U
Application number: CN202121355147.4U
Authority: CN
Inventors: 李春萌
Original assignee: Realcare Vacuum Technology Co ltd
Current assignee: Realcare Vacuum Technology Co ltd
Priority date: 2021-06-17
Filing date: 2021-06-17
Publication date: 2022-01-25
Anticipated expiration: 2031-06-17

Abstract

The utility model relates to the technical field of vacuum generators, in particular to a vacuum generator, which comprises a vacuum generator body and an adsorption air pipe arranged on the surface of the vacuum generator body, wherein a connecting hose is sleeved outside the adsorption air pipe, an expansion clamping part is arranged between the connecting hose and the adsorption air pipe, a clamping anti-release part is arranged on the surface of the adsorption air pipe, a propelling component is sleeved outside the adsorption air pipe, and the propelling component moves downwards; the beneficial effects are that: the vacuum generator provided by the utility model drives the extrusion ring to downwards extrude the elastic clamping piece by virtue of the lifting lantern ring, so that the end part of the connecting hose is extruded and clamped in the annular clamping groove by the clamping bulge at the bottom end of the elastic clamping piece, and the elastic clamping piece is matched with the limiting ring sleeved outside the adsorption air pipe, so that the connecting hose is not easy to fall off, and after the lifting lantern ring is screwed upwards, the elastic clamping piece rebounds and resets, and the connecting hose can be separated from the adsorption air pipe by pulling out the connecting hose.

Description

Vacuum generator

Technical Field

The utility model relates to the technical field of vacuum generators, in particular to a vacuum generator.

Background

The vacuum generator is a novel, efficient, clean, economic and small vacuum component which utilizes a positive pressure air source to generate negative pressure, so that the negative pressure can be obtained easily and conveniently in a place with compressed air or in a place needing the positive and negative pressure in a pneumatic system. Vacuum generators are widely used in industrial automation in the fields of machinery, electronics, packaging, printing, plastics, robots, and the like.

In the prior art, a bottom port of a vacuum generator is connected with a sucker through a hose, the hose is directly sleeved at the bottom port of the vacuum generator and is easy to fall off, and if the hose is bonded and fixed by a colloid, the hose is inconvenient to disassemble or replace.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a vacuum generator to solve the above problems of the prior art.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a vacuum generator, includes the vacuum generator body and installs the absorption trachea on vacuum generator body surface, it is equipped with coupling hose to adsorb tracheal outside cover, coupling hose and absorption are provided with between the trachea and expand and prop the screens piece, and adsorb tracheal surface and be provided with the centre gripping anticreep piece, adsorb tracheal outside cover and be equipped with propulsion subassembly, when propulsion subassembly downstream, crowded centre gripping anticreep piece centre gripping coupling hose that pushes away, realize coupling hose and the tracheal firm connection of absorption.

Preferably, expand and prop screens piece including spacing ring of tightening, spacing ring of tightening is the circular ring structure that the section is convex, and the external diameter of spacing ring of tightening is greater than the internal diameter of coupling hose.

Preferably, centre gripping anticreep piece includes elasticity holding piece and fixes the rubber connection area on elasticity holding piece surface, and elasticity holding piece is provided with a plurality ofly, and the equidistance equidimension such as a plurality of elasticity holding pieces is arranged along adsorbing tracheal outer wall and is distributed, and rubber connection area fixes between two adjacent elasticity holding pieces, elasticity holding piece and adsorb and be provided with chucking spare between the trachea.

Preferably, the chucking spare includes that the centre gripping is protruding and ring groove, and the centre gripping is protruding to be fixed on the surface of elasticity holding piece, and the trachea is adsorbed to the protruding orientation of centre gripping, and the centre gripping arch is in between elasticity holding piece and the coupling hose, and ring groove sets up on adsorbing tracheal outer wall, impels the subassembly after the removal downwards, and the centre gripping is protruding to push coupling hose centre gripping in the ring groove.

Preferably, the propelling component comprises a lifting lantern ring and a squeezing ring fixed on the bottom surface of the lifting lantern ring, the lifting lantern ring and the squeezing ring are sleeved with each other and sleeved on the outer side of the adsorption air pipe, the inner diameter of the lifting lantern ring is smaller than that of the squeezing ring, and finger rings are arranged on the surfaces of the lifting lantern ring and the squeezing ring at the same time.

Preferably, the inner ring surface of the lifting lantern ring is provided with an internal thread, and the outer wall of the adsorption air pipe is provided with an external thread.

Preferably, the bottom surface of the pushing ring is an arc inclined surface, and the inclination of the arc inclined surface is consistent with the inclination of the inclined surface of the elastic clamping piece.

Compared with the prior art, the utility model has the beneficial effects that:

the vacuum generator provided by the utility model drives the extrusion ring to downwards extrude the elastic clamping piece by virtue of the lifting lantern ring, so that the end part of the connecting hose is extruded and clamped in the annular clamping groove by the clamping bulge at the bottom end of the elastic clamping piece, and the elastic clamping piece is matched with the limiting ring sleeved outside the adsorption air pipe, so that the connecting hose is not easy to fall off, and after the lifting lantern ring is screwed upwards, the elastic clamping piece rebounds and resets, and the connecting hose can be separated from the adsorption air pipe by pulling out the connecting hose.

Drawings

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

FIG. 2 is an enlarged view of the structure at A in FIG. 1;

FIG. 3 is a top view of the connection structure of the elastic clamping piece and the rubber connection band according to the present invention.

In the figure: the vacuum generator comprises a vacuum generator body 1, a connecting hose 2, a limiting tightening ring 3, an annular clamping groove 4, an elastic clamping piece 5, a clamping bulge 6, a rubber connecting belt 7, a lifting lantern ring 8, a squeezing and pushing ring 9, a finger ring 10 and an adsorption air pipe 11.

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 to 3, the present invention provides a technical solution: a vacuum generator comprises a vacuum generator body 1 and an adsorption air pipe 11 arranged on the surface of the vacuum generator body 1, wherein a connecting hose 2 is sleeved outside the adsorption air pipe 11, an expansion clamping piece is arranged between the connecting hose 2 and the adsorption air pipe 11 and comprises a limiting tightening ring 3, the limiting tightening ring 3 is of a circular ring structure with a circular arc-shaped section, and the outer diameter of the limiting tightening ring 3 is larger than the inner diameter of the connecting hose 2;

the surface of the adsorption air pipe 11 is provided with a clamping anti-release part, the outer side of the adsorption air pipe 11 is sleeved with a propulsion assembly, when the propulsion assembly moves downwards, the propulsion assembly pushes and pushes the clamping anti-release part to clamp the connection hose 2, so as to realize the firm connection between the connection hose 2 and the adsorption air pipe 11, the clamping anti-release part comprises a plurality of elastic clamping sheets 5 and a rubber connection belt 7 fixed on the surface of the elastic clamping sheets 5, the elastic clamping sheets 5 are arranged, the elastic clamping sheets 5 are distributed along the outer wall of the adsorption air pipe 11 in equal distance, the propulsion assembly comprises a lifting lantern ring 8 and a pushing ring 9 fixed on the bottom surface of the lifting lantern ring 8, the lifting lantern ring 8 and the pushing ring 9 are both sleeved and sleeved on the outer side of the adsorption air pipe 11, the inner diameter of the lifting lantern ring 8 is smaller than the inner diameter of the pushing ring 9, finger rings 10 are simultaneously installed on the surfaces of the lifting lantern ring 8 and the pushing ring 9, inner ring surface of the lifting lantern ring 8 is provided with internal threads, the outer wall of the adsorption air pipe 11 is provided with external threads, the bottom surface of the extrusion pushing ring 9 is an arc inclined surface, and the inclination of the arc inclined surface is consistent with that of the inclined surface of the elastic clamping piece 5;

rubber connecting band 7 is fixed between two adjacent elasticity holding pieces 5, elasticity holding piece 5 with adsorb and be provided with chucking spare between the trachea 11, chucking spare includes the protruding 6 and the ring groove 4 of centre gripping, the protruding 6 surface at elasticity holding piece 5 of fixing of centre gripping, the protruding 6 orientation of centre gripping adsorbs trachea 11, and the protruding 6 of centre gripping is in between elasticity holding piece 5 and coupling hose 2, ring groove 4 is seted up on the outer wall that adsorbs trachea 11, impel the subassembly after the downstream, the protruding 6 centre gripping pushes coupling hose 2 centre gripping in ring groove 4.

The working principle is as follows: during practical use, as shown in the attached drawing 1, at this time, the top end of the connecting hose 2 is pushed into a part of the annular clamping groove 4 by the clamping protrusion 6, the pushing part is matched with the limiting tightening ring 3, the connecting hose 2 is prevented from falling off from the adsorption air pipe 11, when the connecting hose 2 needs to be disassembled, a finger is inserted into the ring 10, the lifting sleeve ring 8 is upwards screwed, the lifting sleeve ring 8 drives the pushing ring 9 to move upwards, the pushing ring 9 is not pushed downwards to the elastic clamping piece 5 any longer, the elastic clamping piece 5 rebounds and tilts, so the clamping protrusion 6 is not clamped at the top end of the connecting hose 2 any longer, the connecting hose 2 can be separated from the adsorption air pipe 11 by pulling the connecting hose 2 downwards, and the operation is simple and convenient.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A vacuum generator comprises a vacuum generator body (1) and an adsorption air pipe (11) arranged on the surface of the vacuum generator body (1), and is characterized in that: the outside cover that adsorbs trachea (11) is equipped with coupling hose (2), coupling hose (2) and adsorb and be provided with between trachea (11) and expand and prop the screens piece, and the surface that adsorbs trachea (11) is provided with centre gripping anticreep piece, and the outside cover that adsorbs trachea (11) is equipped with propulsion assembly, when propulsion assembly moves down, pushes away centre gripping anticreep piece centre gripping coupling hose (2), realizes coupling hose (2) and the firm connection who adsorbs trachea (11).

2. A vacuum generator as claimed in claim 1, wherein: expand and prop screens piece including spacing ring (3) of tightening, spacing ring (3) of tightening are the circular ring structure that the section is convex, and the external diameter of spacing ring (3) of tightening is greater than the internal orifice diameter of coupling hose (2).

3. A vacuum generator as claimed in claim 1, wherein: the centre gripping anticreep piece includes elasticity centre gripping piece (5) and fixes rubber connection area (7) on elasticity centre gripping piece (5) surface, and elasticity centre gripping piece (5) are provided with a plurality ofly, and a plurality of elasticity centre gripping pieces (5) equidistance are equidimension along the outer wall arrangement that adsorbs trachea (11) and are distributed, and rubber connection area (7) are fixed between two adjacent elasticity centre gripping pieces (5), and elasticity centre gripping piece (5) and adsorb and be provided with the chucking spare between trachea (11).

4. A vacuum generator as claimed in claim 3, wherein: the chucking spare includes that the centre gripping is protruding (6) and ring groove (4), and the surface at elasticity holding piece (5) is fixed in centre gripping arch (6), and trachea (11) are adsorbed towards in centre gripping arch (6), and centre gripping arch (6) are in between elasticity holding piece (5) and coupling hose (2), and ring groove (4) are seted up on the outer wall of adsorbing trachea (11), impel the subassembly after the removal downwards, centre gripping arch (6) push coupling hose (2) centre gripping in ring groove (4).

5. A vacuum generator according to claim 1 or 4, characterized in that: the propulsion assembly comprises a lifting lantern ring (8) and an extrusion ring (9) fixed on the bottom surface of the lifting lantern ring (8), the lifting lantern ring (8) and the extrusion ring (9) are all sleeved with a sleeve to be sleeved on the outer side of the adsorption air pipe (11), the inner diameter of the lifting lantern ring (8) is smaller than that of the extrusion ring (9), and the finger ring (10) is installed on the surface of the lifting lantern ring (8) and the surface of the extrusion ring (9) at the same position.

6. A vacuum generator according to claim 5, wherein: the inner ring surface of the lifting lantern ring (8) is provided with internal threads, and the outer wall of the adsorption air pipe (11) is provided with external threads.

7. A vacuum generator as claimed in claim 1, wherein: the bottom surface of the pushing ring (9) is an arc inclined surface, and the inclination of the arc inclined surface is consistent with that of the inclined surface of the elastic clamping piece (5).