WO2018068412A1

WO2018068412A1 - Suction cup with press ring

Info

Publication number: WO2018068412A1
Application number: PCT/CN2016/112965
Authority: WO
Inventors: 黄健明; 伍伟强
Original assignee: 江门市安豪贸易有限公司
Priority date: 2016-10-10
Filing date: 2016-12-29
Publication date: 2018-04-19

Abstract

A suction cup with a press ring comprises a suction pad (3), a rounded suction switch cap (1), and a tightening press ring (2). The tightening press ring is provided in an axial direction between the suction pad and the rounded suction switch cap. A portion of the suction pad passing through the tightening press ring is in thread engagement with the rounded suction switch cap, such that the tightening press ring is tightly pressed against and connected to the aforementioned two components. In the suction cup with a press ring, turning the rounded suction switch cap enables an edge of the suction pad to tightly press against a medium while pulling a middle portion of the suction pad in a direction away from the medium, such that contact of the suction pad with the medium and vacuum performance of the suction pad are ensured, thereby enabling the suction cup with a press ring to be installed securely. The suction cup with a press ring of the invention can be used conveniently, and has improved safety and convenience.

Description

Ring suction cup

This application claims to be submitted to the Chinese Patent Office on October 10, 2016, the application number is 201610885592.9, the invention name is "a ring suction cup" and the application number is 201621111549.9, and the invention name is "a ring pressure sucker" Chinese patent application Priority is hereby incorporated by reference in its entirety.

Technical field

The present invention relates to the field of part design technology, and more particularly to a ring suction cup.

Background technique

Suction cups, also known as vacuum spreaders, are one of the vacuum device actuators. In general, grabbing an article with a vacuum chuck is the best method.

Most suction cups on the market have a certain degree of softness and bendability, and the suction pressure is achieved by the vacuum pressure of the suction cup and the medium. However, in the prior art, most of the suction cup switch knobs have poor stability during installation and use, and are prone to slipping or loosening, which usually affects the installation and function stability of the suction cup, and even affects the suction cup mounting. safety.

In summary, how to provide a stable suction cup is an urgent problem to be solved by those skilled in the art.

Summary of the invention

In view of the above, it is an object of the present invention to provide a ring suction cup which is stable in installation.

In order to achieve the above object, the present invention provides the following technical solutions:

The invention relates to a ring suction cup, comprising a suction disc, an adsorption switch knob ring cover and a pressing pressure ring, wherein the pressing pressure ring is disposed between the adsorption disc and the adsorption switch knob ring cover in the axial direction, the adsorption A portion of the disk passing through the stationary pressure ring is screwed to the suction switch knob ring cover so that the stationary pressure ring is press-fitted to the two.

Preferably, the adsorption tray is provided with a stud, the stud and the adsorption switch knob cover The first internal thread is screwed together.

Preferably, the pressing ring is provided with an annular first ring pressing surface, and the suction disk is provided with a second ring pressing surface for abutting connection with the first ring pressing surface, the second A ring pressure reinforcing tooth is disposed on the ring pressing surface, and the ring pressure reinforcing tooth groove is matched with the ring pressure reinforcing tooth on the first ring pressing surface.

Preferably, the adsorption switch knob ring cover comprises an adsorption switch housing and a soft collar sleeved on an outer edge of the adsorption switch housing.

Preferably, the inner annular surface of the soft collar and the outer annular surface of the adsorption switch housing are press-fitted to the ribs;

And/or an anti-slip or anti-slip device for increasing friction is provided on the outer edge of the adsorbed switch housing.

Preferably, the suction switch knob ring cover is provided with an external thread for connecting the locking knob cover, and the locking knob cover is provided with a second internal thread that cooperates with the external screw.

Preferably, the outer thread is provided with a connecting portion for the socket fitting, and the connecting portion is disposed at a root of the outer thread.

Preferably, the connecting portion is provided with a snap member for positioning in a hoop direction with the fitting.

Preferably, the adsorption tray is provided with a wall seat for connecting with the rough medium, and the wall seat is detachably connected with the adsorption tray body.

The tightening pressure ring provided by the invention is respectively closely connected with the outer ring of the adsorption switch knob ring cover and the adsorption disk. The direct connection between the suction disc and the suction switch knob ring cover is a screw connection. By screwing the suction switch knob ring cover, the middle position of the suction disc is close to the relative position of the suction switch knob ring cover, and will be tight between the two. The constant pressure ring is pressed, that is, the middle of the suction disc is tightened toward the side of the suction switch knob ring cover; at the same time, due to the screwing operation, the suction switch knob ring cover is pressed against the tight pressure ring, The pressing force is transmitted to the suction disk so that the outer edge of the suction disk is in close contact with the medium. The outside of the adsorption disc is closely attached to the medium, and the middle of the adsorption disc moves toward the side of the ring cover of the adsorption switch knob to form a vacuum between the adsorption disc and the medium.

The ring suction cup provided by the invention can realize the pressing of the edge of the suction disc to the medium by the screwing operation of the ring cover of the suction switch knob, and on the one hand, the pulling of the middle portion of the adsorption tray away from the medium. While ensuring the contact between the adsorption plate and the medium, the vacuum effect of the adsorption plate is ensured, so that the installation of the ring pressure suction cup is stable and convenient to use, which helps to improve the use of the ring pressure suction cup. Safety and convenience.

DRAWINGS

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the embodiments or the description of the prior art will be briefly described below. Obviously, the drawings in the following description are only It is an embodiment of the present invention, and those skilled in the art can obtain other drawings according to the provided drawings without any creative work.

1 is a schematic exploded view of a specific embodiment of a ring pressure chuck according to the present invention;

2 is a front cross-sectional view showing the unoperated state of a specific embodiment of the ring pressure chuck according to the present invention;

3 is a front cross-sectional view showing a state of adsorption of a specific embodiment of a ring pressure chuck according to the present invention;

4 is a schematic view of a connecting fitting in a specific embodiment of a ring pressure chuck according to the present invention;

FIG. 5 is a schematic view showing a tightening pressure ring in a specific embodiment of a ring pressure chuck according to the present invention; FIG.

6 is a schematic view showing a locking knob in a specific embodiment of a ring pressure chuck according to the present invention;

FIG. 7 is an exploded view of the ring cover of the adsorption switch knob in the specific embodiment of the ring pressure suction cup provided by the present invention.

In Figure 1-7 above:

1 is the suction switch knob ring cover, 11 is the first inner screw, 12 is the outer screw, 13 is the soft collar, 14 is the adsorption switch housing, 2 is the tight pressure ring, 21 is the ring pressure reinforcing groove 22 is the first ring pressure surface, 3 is the adsorption disk, 31 is the stud, 32 is the ring pressure reinforcing tooth, 33 is the second ring pressing surface, 30 is the ring pressing structure, 4 is the locking knob cover, 41 is the first The second internal thread, 5 is the fitting, 51 is the sleeve hole, and 6 is the wall seat piece.

detailed description

The technical solutions in the embodiments of the present invention are clearly and completely described in the following with reference to the accompanying drawings in the embodiments of the present invention. It is obvious that the described embodiments are only a part of the embodiments of the present invention, but not all embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts are protected by the present invention. range.

The core of the invention is to provide a ring suction cup which is stable in installation.

Please refer to FIG. 1 to FIG. 7. FIG. 1 is a schematic exploded view of a specific embodiment of a ring pressure chuck according to the present invention; FIG. 2 to FIG. 3 are respectively an unworked state of a specific embodiment of the ring pressure chuck provided by the present invention. Front section and front view of the adsorption state; Fig. 4 is a schematic view of the connecting fitting; Fig. 5 is a schematic view of the pressing ring; Fig. 6 is a schematic view of the locking knob; Fig. 7 is an exploded view of the ring of the suction switch knob.

The invention provides a ring pressure suction cup which is mainly adsorbed on the surface of the medium by vacuum pressure. The ring suction cup mainly comprises an adsorption disc 3, an adsorption switch knob ring cover 1 and a clamping pressure ring 2. The adsorption plate 3 is a suction cup having a certain flexibility, and the pressing pressure ring 2 is disposed between the adsorption plate 3 and the adsorption switch knob cover 1 in the axial direction, and the middle portion of the adsorption plate 3 passes through the clamping ring 2 and the adsorption switch knob. The ring cover 1 is screwed in connection so that the pressure ring 2 is tightly connected to the two.

It should be noted that the pressing pressure ring 2 is closely connected to the outer ring of the adsorption switch knob ring cover 1 and the adsorption disk 3, respectively. The direct connection between the adsorption disc 3 and the suction switch knob ring cover 1 is a screw connection. By screwing the suction switch knob ring cover 1, the middle portion of the adsorption disc 3 is close to the relative position of the adsorption switch knob ring cover 1, and will be located at two. The tightening pressure ring 2 between the two is pressed, that is, the middle of the suction disc 3 is tightened toward the side of the suction switch knob ring cover 1; at the same time, the suction switch knob ring cover 1 is caused by the screwing operation The pressing ring 2 is pressed tightly, and the pressing force is transmitted to the suction tray 3, so that the outer edge of the suction tray 3 is closely adhered to the medium direction, and the close pressing of the X portion in Fig. 3 is formed. The outside of the adsorption tray 3 is closely attached to the medium, and the middle portion of the adsorption tray 3 moves toward the side of the suction switch knob ring cover 1 to form a vacuuming portion Y between the adsorption disk and the medium.

The ring suction cup provided by the invention adopts the screwing operation of the suction switch knob ring cover 1 to realize the pressing of the edge of the adsorption disk 3 to the medium on the one hand, and realize the direction of the middle of the adsorption disk 3 away from the medium on the other hand. Lifting. While ensuring the contact surface X of the adsorption disk 3 and the medium, the vacuum effect of the adsorption disk 3 and the medium is ensured, so that the installation of the ring pressure suction cup is stable and convenient to use, which helps to improve the safety and convenience of the use of the ring pressure suction cup. .

Based on the above embodiment, the present embodiment describes the connection mode of the adsorption disk 3 and the adsorption switch knob ring cover 1. In a reliable embodiment, the suction disk 3 is provided with a stud 31 which is screwed to the first internal thread 11 of the suction switch knob ring cover 1.

When the suction switch knob ring cover 1 is screwed, the middle portion of the suction tray 3 can be stretched by the central screwing structure, and the provided stud 31 and the first internal thread 11 are relatively stable and easy to carry out. The operation is simple and easy to replace.

Optionally, the stud can also be disposed on the adsorption switch knob ring cover 1 , and matched with the screw on the adsorption plate 3 and screwed with the stud.

In the above embodiment, the stationary pressure ring 2 may be provided with a plurality of connecting portions in the ring direction or integrally connected to the suction disk in the ring direction. On the basis of any one embodiment, the pressing ring 2 is provided with a ring shape. The first ring pressing surface 22 is provided with a second ring pressing surface 33 for abutting and connecting with the first ring pressing surface 22, and the second ring pressing surface 33 is provided with a ring pressing reinforcing tooth 32, the first ring The pressure surface 22 is provided with a ring-pressure reinforcing gullet 21 that cooperates with the ring-pressure reinforcing teeth 32.

It should be noted that, referring to FIG. 1 and FIG. 5, the first annular pressing surface 22 and the second annular pressing surface 33 are two surfaces that are pressed and pressed together, and the ring-pressure reinforcing teeth 32 and the ring pressure are disposed on the two sides. The tooth groove 21 is reinforced to strengthen the anti-rotation characteristic between the two. When the suction switch knob ring cover 1 is screwed, the tightening pressure ring 2 is prevented, and the suction disk 3 is rotated together with the suction switch knob ring cover 1 to lift The effectiveness of the screwing operation of the suction switch knob ring cover 1.

Based on any of the above embodiments, the suction switch knob ring cover 1 includes an adsorption switch housing 14 and a soft collar 13 that is sleeved on the outer edge of the adsorption switch housing 14.

It should be noted that most of the suction cup switch knobs on the market generally have a diameter of 25-35 mm, and are mostly made of hard surfaces, which results in poor force during operation, and the user is not able to experience the effect. It is quite laborious to install the suction cup. The annular suction cup provided with the soft collar 13 provided by the embodiment is designed with a soft surface material, which can enhance the user's feeling of use and make the suction cup installation easier.

Optionally, the soft collar 13 may be made of rubber or other soft collar.

On the basis of the above embodiment, in order to improve the connection stability of the soft collar 13 and the adsorption switch housing 14, it is ensured that the two can rotate synchronously during the screwing operation, and the soft collar 13 and the adsorption switch housing The contact ring surface of 14 is a press-fit connection to the ribs. That is, an axial rib is provided on one of the inner annular surface of the soft collar 13 and the outer annular surface of the sorption switch housing 14, and the other is provided with a recess that cooperates with the rib. Slots to prevent the two from slipping during the screwing operation.

And/or, the outer edge of the adsorption switch housing 14 is provided with an anti-slip pattern for increasing friction or Anti-skid device. The anti-slip device can be arranged to facilitate the user to effectively improve the operation feeling of the screw when the soft collar 13 is screwed, and to avoid slipping with the user's hand.

On the basis of any of the above embodiments, the suction switch knob cover 1 is provided with an external thread 12 for connecting the locking knob cover 4, and the locking knob cover 4 is provided with a second internal thread that cooperates with the external thread. 41. The outer thread 12 may be disposed outside the first inner thread 11 of the suction switch knob ring cover 1, that is, a barrel-shaped member is connected to the suction switch knob ring cover 1, and the member is simultaneously provided with The internal thread and the external thread are the first internal thread 11 for connecting the suction disk 3, and the external thread is the external thread 12 for connecting the locking knob cover 4. The locking knob cover 4 is sleeved on the outer side of the outer screw 12 of the suction switch knob ring cover 1 to help ensure the stability of the position of the suction switch knob ring cover 1 on the other hand, and can also be used with the adsorption switch knob ring cover 1 Clamp and secure other parts.

On the basis of the above embodiment, the outer thread 12 is provided with a connecting portion for the socket fitting 5, and the connecting portion is provided at the root of the outer thread 12. The fitting 5 can be a hook or other structural component, and the fitting 5 is provided with a sleeve hole 51 for hoisting the ring suction cup after the ring suction cup is connected with the medium.

In the prior art, the suction cup is usually attached to the medium together with the suction cup, but the uniform installation method affects the installation stability and convenience of the suction cup to some extent. The ring pressure suction cup provided in this embodiment can be installed in a staged manner, and the combination of the adsorption tray 3, the adsorption switch knob ring cover 1 and the fixed pressure ring 2, that is, the ring press-fit structure 30 is first adsorbed on the medium, and then Then, the accessory 5 is mounted on the suction switch knob ring cover 1, and the locking knob cover 4 is installed to realize the adjustment and installation of the accessory 5.

Optionally, the connecting portion is provided with a snap member for circumferential positioning with the fitting 5. The engaging component can be a chuck or a groove provided on the connecting portion. The engaging component is not limited to the above, and any component that can achieve the circumferential positioning of the fitting 5 belongs to the protection scope of the present application.

On the basis of any of the above embodiments, the suction tray 3 is provided with a wall seat piece 6 for connection with a rough medium, and the wall seat piece 6 is detachably connected to the suction disk main body. In the prior art, the suction cup has certain requirements on the roughness of the adsorbed product, and the medium with large roughness is generally not used. To solve this problem, the wall seat piece 6 is added in this embodiment, and it should be noted that the wall seat Tablet can A screw is attached to the wall or attached to the wall with a double-sided sticker to increase the range of the ring suction cup.

Optionally, based on any of the above embodiments, the soft collar 13 can be a soft collar 13 of a plurality of colors.

For the structure of the other parts of the ring suction cup, please refer to the prior art, and the details are not described herein again.

The various embodiments in the present specification are described in a progressive manner, and each embodiment focuses on differences from other embodiments, and the same similar parts between the various embodiments may be referred to each other.

The ring pressure chuck provided by the present invention has been described in detail above. The principles and embodiments of the present invention have been described herein with reference to specific examples, and the description of the above embodiments is only to assist in understanding the method of the present invention and its core idea. It should be noted that those skilled in the art can make various modifications and changes to the present invention without departing from the spirit and scope of the invention.

Claims

A ring pressure chuck, comprising: a suction disc (3), an adsorption switch knob ring cover (1) and a set pressure ring (2), wherein the set pressure ring (2) is disposed in the axial direction Between the adsorption disk (3) and the adsorption switch knob ring cover (1), the portion of the suction disk (3) passing through the stationary pressure ring (2) and the adsorption switch knob ring cover (1) Screw the connection so that the stationary pressure ring (2) is press-fitted to the two.
The ring suction cup according to claim 1, wherein the adsorption tray (3) is provided with a stud (31), and the stud (31) and the adsorption switch knob ring cover (1) The first internal thread (11) is screwed.
The ring suction cup according to claim 1 or 2, characterized in that the pressure ring (2) is provided with an annular first ring pressing surface (22), and the adsorption disk (3) is provided with a second annular pressing surface (33) that is connected to the first annular pressing surface (22), and the second annular pressing surface (33) is provided with a ring pressing reinforcing tooth (32), the first The ring pressure surface (22) is provided with a ring pressure reinforcing groove (21) that cooperates with the ring pressure reinforcing tooth (32).
The ring suction cup according to claim 3, wherein the adsorption switch knob ring cover (1) comprises an adsorption switch housing (14) and a soft sleeve that is sleeved on an outer edge of the adsorption switch housing (14). Quality collar (13).
The ring suction cup according to claim 4, wherein the inner annular surface of the soft collar (13) and the outer annular surface of the adsorption switch housing (14) are press-fitted to the ribs;

And/or the outer edge of the adsorbing switch housing (14) is provided with an anti-slip or anti-slip device for increasing friction.
The ring suction cup according to claim 3, characterized in that the adsorption switch knob ring cover (1) is provided with an external thread (12) for connecting the locking knob cover (4), the locking knob cover ( 4) A second internal thread (41) is provided on the external thread.
The ring suction cup according to claim 6, wherein the outer thread (12) is provided with a connecting portion for the socket fitting (5), and the connecting portion is disposed on the outer thread (12). The root of the ).
The ring suction cup according to claim 7, characterized in that the connecting portion is provided with a snap member for circumferential positioning with the fitting (5).
The ring suction cup according to claim 8, characterized in that the adsorption disk (3) is provided with a wall piece (6) for connection with a rough medium, the wall piece (6) and the adsorption disk body For detachable connection.