CN217102073U

CN217102073U - Electric suction cup for generating negative pressure

Info

Publication number: CN217102073U
Application number: CN202220387552.2U
Authority: CN
Inventors: 朱亚丽; 周新
Original assignee: Shenzhen Dater Robot Co ltd
Current assignee: Shenzhen Dater Robot Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-08-02
Anticipated expiration: 2032-02-24

Abstract

The utility model relates to a wall climbing robot and automatic technical field disclose an electronic sucking disc that produces negative pressure, including the sucking disc, the cladding of sucking disc bottom has the diaphragm, the diaphragm has the flexibility, and the diaphragm inboard is connected with the pull rod, the pull rod runs through the sucking disc top through sucking disc inner chamber, the pull rod upper end is connected to and draws high mechanism, when the sucking disc compresses tightly the diaphragm and hugs closely the plane object, thereby draws high mechanism pulling pull rod upward movement to make the diaphragm extend to the inner chamber and make and form the negative pressure between diaphragm and the plane object. An object of the utility model is to provide an electronic sucking disc that produces negative pressure, do not need supporting vacuum pump or fan as vacuum, negative pressure source in its use, and need not to realize through pipeline, electronic valve that the control sucking disc absorbs and put down the material, improved the vacuum and the adsorption affinity of sucking disc, can satisfy the absorption demand at wall, glass curtain wall etc. that the surface finish is good, make things convenient for the robot to climb the wall design.

Description

Electric suction cup for generating negative pressure

Technical Field

The utility model relates to a wall climbing robot and automatic technical field, concretely relates to electronic sucking disc that produces negative pressure.

Background

Vacuum and negative pressure suction cups are widely applied to intelligent manufacturing and automatic material grabbing, and in use, a matched vacuum pump or fan is needed to be used as a vacuum and negative pressure source, and the suction cups are controlled to suck and put down materials through pipelines and electronic valves.

In the field of wall climbing of robots, in walls with good surface smoothness, glass curtain walls and the like, people try to use a sucker as a wall climbing absorption method, the sucker needs a matched vacuum pump or a fan, the space and the weight are large, inconvenience is brought to robot installation, and the negative pressure absorption effect is reduced through control of pipelines and electronic valves.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome the defect of above-mentioned technique, provide an electronic sucking disc that produces the negative pressure, do not need supporting vacuum pump or fan as vacuum, negative pressure source in its use, and need not to realize through pipeline, electronic valve that the control sucking disc absorbs and put down the material, improved the vacuum and the adsorption affinity of sucking disc, can satisfy the absorption demand at wall, glass curtain wall etc. that surface finish is good, make things convenient for the robot to climb the wall design.

In order to solve the technical problem, the technical scheme provided by the patent is as follows: the utility model provides an electronic sucking disc that produces negative pressure, includes the sucking disc, and sucking disc bottom cladding has the diaphragm, the diaphragm has the flexibility, and the diaphragm inboard is connected with the pull rod, the pull rod runs through the sucking disc top through the sucking disc inner chamber, the pull rod upper end is connected to and draws high mechanism, when the sucking disc compresses tightly the diaphragm and hugs closely the plane object, thereby draws high mechanism pulling pull rod upward movement to make the diaphragm extend to the inner chamber and make and form the negative pressure between diaphragm and the plane object.

As an improvement, the membrane is a silica gel membrane, and vacuum breaking ears are arranged on the outer edge of the membrane.

As an improvement, the pulling-up mechanism comprises a steering engine fixing seat fixed above the sucker, a steering engine is installed on the steering engine fixing seat, an adapter seat is installed at the output end of the steering engine, a threaded guide sleeve is installed at the lower end of the adapter seat, threads are arranged on the periphery of the upper end of the pull rod, and the threaded end of the pull rod can move up and down in the threaded guide sleeve under the action of the steering engine.

As another kind of improvement, draw and rise the mechanism and include changeing the board, be equipped with rotation end and link on changeing the board, the link is connected to actuating mechanism, it contacts with the sucking disc upper end to rotate the end bottom, rotate and all seted up the connection shaft hole on end and the pull rod, it is connected through the connecting axle to rotate end and pull rod, the connection shaft hole is not located and rotates the end center for connect the distance of shaft hole distance sucking disc up end when changeing the board and rotate and increase gradually, thereby make the pull rod pulling diaphragm extend to the inner chamber and form the negative pressure.

As an improvement, the upper end of pull rod is connected with the installation pole, install the keysets on the installation pole, install first rotation seat on the keysets, install on the first rotation seat and be the guide holder of rotating the connection with it, install the second on the connection and rotate the seat, install on the second rotation seat and be the telescopic link of rotating the connection with it, the other end of telescopic link is installed in the guide holder and can slide in the guide holder.

As an improvement, the lower end of the mounting rod is provided with a limiting sleeve, and the upper end of the pull rod is mounted in the limiting sleeve.

As an improvement, a waist-shaped hole is formed in the position, corresponding to the mounting position of the mounting rod, of the adapter plate.

As an improvement, the upper end of the sucker is provided with a groove, a wear-resistant gasket is arranged in the groove, the lower end of the rotating end is in contact with the upper surface of the gasket, the cross section of the pull rod is rectangular, the gasket is provided with a rectangular hole matched with the cross section of the pull rod in shape, and the pull rod penetrates through the rectangular hole.

As an improvement, the pull rod is sleeved with a pressure spring, and two free ends of the pressure spring are respectively abutted to the upper part of the diaphragm and the inner wall of the sucker.

As an improvement, a pull ring is arranged on the sucker.

Compared with the prior art, the patent has the advantages that: in the use process, a matched vacuum pump or a fan is not needed to be used as a vacuum and negative pressure source, and the sucking disc is not needed to be controlled to suck and put down materials through a pipeline and an electronic valve, so that the structural complexity and the control difficulty are reduced, the weight is reduced, the cost is reduced, the reliability is improved, the vacuum degree of the sucking disc is improved, the adsorption force of the sucking disc is improved, the adsorption requirements of a wall with good surface smoothness, a glass curtain wall and the like can be met, and the robot can conveniently climb the wall.

Drawings

Fig. 1 is a schematic structural view of the suction cup for electrically generating negative pressure according to the present invention.

Fig. 2 is an exploded view of the suction cup for electrically generating negative pressure according to the present invention.

Fig. 3 is a schematic structural diagram of another embodiment of the suction cup for electrically generating negative pressure according to the present invention.

Wherein: the device comprises a sucker, 11-grooves, 12-inner cavities, 2-diaphragms, 21-vacuum breaking ears, 3-mounting rods, 31-limiting sleeves, 32 ' -pull rods, 321 ' -threads, 4-adapter plates, 41-first rotating seats, 42-waist-shaped holes, 5 ' -pulling mechanisms, 51-rotating plates, 511-rotating ends, 512-connecting ends, 513-connecting shaft holes, 52-second rotating seats, 53-guide seats, 54-telescopic rods, 55-steering engine fixing seats, 56-steering engines, 57-adapter seats, 58-thread guide sleeves, 6-gaskets, 7-pull rings and 8-pressure springs.

Detailed Description

The following describes the suction cup for generating negative pressure electrically in detail with reference to the accompanying drawings.

Referring to the attached drawings 1-2, the electric suction cup for generating negative pressure comprises a suction cup 1, wherein a diaphragm 2 is coated at the bottom of the suction cup 1, the diaphragm 2 is flexible, a pull rod 32 is connected to the inner side of the diaphragm 2, the pull rod 32 penetrates above the suction cup 1 through an inner cavity 12 of the suction cup, the upper end of the pull rod 32 is connected to a pulling-up mechanism 5, and when the suction cup 1 presses the diaphragm 2 to be tightly attached to a plane object, the pulling-up mechanism 5 pulls the pull rod 32 to move upwards to enable the diaphragm 2 to extend towards the inner cavity 12, so that negative pressure is formed between the diaphragm 2 and the plane object.

In the above embodiment, when the suction cup 1 tightly attaches the diaphragm 2 to the planar object under the action of external force, the diaphragm 2 deforms under the action of extrusion to extrude air between the diaphragm 2 and the planar object, and then the pull rod 32 is pulled to move upwards through the pulling mechanism 5, so that the middle of the diaphragm 2 extends towards the inner cavity 12, and at this time, a negative pressure space is formed between the diaphragm 2 and the planar object, so that the suction cup 1 tightly attaches to the planar object under the action of atmospheric pressure, and the negative pressure space is formed under the condition that most of air is extruded, so that the suction cup has a large vacuum degree, and the suction cup obtains a large adsorption force.

Preferably, the membrane 2 is a silica gel membrane, so that the membrane 2 has better flexibility and service life, the outer edge of the membrane 2 is provided with a vacuum breaking ear 21, the vacuum breaking ear 21 can be externally connected with a driving mechanism, and after the pulling-up mechanism 5 is reset, if the sucker cannot be separated from a plane object, the sucker can be pulled to be separated by the driving mechanism.

Preferably, the pulling-up mechanism 5 includes a rotating plate 51, a rotating end 511 and a connecting end 512 are arranged on the rotating plate 51, the connecting end 512 is connected to a driving mechanism (not shown in the figure), the bottom of the rotating end 511 contacts with the upper end of the suction cup 1, a connecting shaft hole 513 is arranged on each of the rotating end 511 and the pull rod 32, the rotating end 511 and the pull rod 32 are connected through a connecting shaft, and the connecting shaft hole 513 is not located in the center of the rotating end 511, so that the distance from the connecting shaft hole 513 to the upper end surface of the suction cup 1 is gradually increased when the rotating plate 51 rotates, and the pull rod 32 pulls the diaphragm 2 upwards to extend to the inner cavity 12 to form negative pressure.

In the above embodiment, during the process of pulling up the pulling rod 32, the rotating end 511 rotates with the contact point with the upper end of the suction cup 1 as the fulcrum, so as to rotate the rotating plate 51 with a small force, during the rotation of the rotating plate 51, the pulling rod 32 gradually rises along with the distance between the connecting shaft hole 513 and the upper end surface of the suction cup 1, so as to pull the membrane 2 to extend towards the inner cavity 12, so as to form a negative pressure with the planar object.

Preferably, the upper end of pull rod 32 is connected with installation pole 3, install keysets 4 on the installation pole 3, install first rotation seat 41 on the keysets 4, install on the first rotation seat 41 and be the guide holder 53 of rotating the connection with it, install the second on the link 512 and rotate seat 52, install on the second rotation seat 52 and be the telescopic link 54 of rotating the connection with it, the other end of telescopic link 54 is installed in guide holder 53 and can slide in guide holder 53.

In the above embodiment, the lifting mechanism 5 and the mounting rod 3 at the upper end of the pull rod 32 form a whole, so that the mounting difficulty in use is reduced, and the maintenance and replacement are facilitated.

Preferably, the lower end of the mounting rod 3 is provided with a limiting sleeve 31, and the upper end of the pull rod 32 is mounted in the limiting sleeve 31, so that the pull rod can be conveniently mounted and positioned.

Preferably, a waist-shaped hole 42 is formed in a position of the adapter plate 4 corresponding to the mounting position of the mounting rod 3, so that the mounting and adjustment of the pulling-up mechanism 5 are facilitated.

Preferably, the upper end of the sucker 1 is provided with a groove 11, a wear-resistant gasket 6 is arranged in the groove 11, the lower end of the rotating end 511 is in contact with the upper surface of the gasket 6, and the rotating end 511 is prevented from being in direct contact with the upper surface of the sucker 1 to wear the sucker 1, so that the service life of the sucker 1 is prevented from being influenced; the section of the pull rod 32 is rectangular, a rectangular hole matched with the section shape of the pull rod 32 is formed in the gasket 6, the pull rod 32 penetrates through the rectangular hole, the gasket 6 is positioned through the shape of the pull rod 32, the gasket 6 is prevented from rotating, the contact between the lower end of the rotating end 511 and the gasket 6 is guaranteed, and meanwhile, the pull rod 32 with the rectangular section is more convenient to install and position in the limiting sleeve 31.

Preferably, the cover has pressure spring 8 on the pull rod 32, two free ends of pressure spring 8 butt respectively to diaphragm 2 top and 1 inner wall of sucking disc, and when adsorbing, pressure spring 8 compresses along with the rising of pull rod 32, and when releasing, the elasticity that resets of pressure spring 8 makes diaphragm 2 can resume smoothly after breaking away from the adsorption plane, avoids influencing next absorption.

Preferably, the suction cup 1 is provided with a pull ring 7 for fixing an object on the suction cup, so that the wall-climbing robot can carry the object in the wall-climbing process, thereby realizing more functions.

Referring to fig. 3, in another embodiment, the pulling-up mechanism 5 'includes a steering engine fixing seat 55 fixed above the suction cup 1, a steering engine 56 is installed on the steering engine fixing seat 55, an adapter seat 57 is installed at an output end of the steering engine 56, a threaded guide sleeve 58 is installed at a lower end of the adapter seat 57, a thread 321' is arranged on the periphery of the upper end of the pull rod 32 ', and a threaded end of the pull rod 32' can move up and down in the threaded guide sleeve 58 under the action of the steering engine 56.

In the above embodiment, the steering engine 56 drives the screw guide sleeve 58 to rotate, so that the pull rod 32 'moves upwards to pull the diaphragm 2 to extend towards the inner cavity 12 to form negative pressure, so that the suction cup 1 is tightly attached to a planar object under the action of atmospheric pressure, and in the embodiment, only the screw guide sleeve 58 and the pull rod 32' are used as moving parts in the adsorption process, so that the adsorption process is more stable.

The present invention and the embodiments thereof have been described in detail above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides an electronic sucking disc that produces negative pressure which characterized in that: including the sucking disc, the sucking disc bottom cladding has the diaphragm, and the diaphragm inboard is connected with the pull rod, the diaphragm has the flexibility, the pull rod runs through the sucking disc top through the sucking disc inner chamber, the pull rod upper end is connected to and draws high mechanism, when the sucking disc compresses tightly the diaphragm and hugs closely the plane object, thereby draws high mechanism pulling pull rod upward movement messenger diaphragm to the inner chamber extension make and form the negative pressure between diaphragm and the plane object.

2. The suction cup for generating negative pressure electrically as claimed in claim 1, wherein: the diaphragm is a silica gel diaphragm, and the outer edge of the diaphragm is provided with a vacuum breaking ear.

3. The suction cup for generating negative pressure electrically as claimed in claim 1, wherein: the pull-up mechanism comprises a steering engine fixing seat fixed above the sucker, a steering engine is installed on the steering engine fixing seat, a switching seat is installed at the output end of the steering engine, a threaded guide sleeve is installed at the lower end of the switching seat, threads are arranged on the periphery of the upper end of the pull rod, and the threaded end of the pull rod can move up and down in the threaded guide sleeve under the action of the steering engine.

4. The suction cup for generating negative pressure electrically as claimed in claim 1, wherein: the pulling mechanism comprises a rotating plate, a rotating end and a connecting end are arranged on the rotating plate, the connecting end is connected to the driving mechanism, the bottom of the rotating end is in contact with the upper end of the sucker, connecting shaft holes are formed in the rotating end and the pull rod, the rotating end and the pull rod are connected through a connecting shaft, the connecting shaft holes are not located in the center of the rotating end, the distance between the connecting shaft holes and the upper end face of the sucker is gradually increased when the rotating plate rotates, and therefore the pull rod pulls the diaphragm to extend towards the inner cavity to form negative pressure.

5. The suction cup for generating negative pressure electrically as claimed in claim 4, wherein: the upper end of pull rod is connected with the installation pole, install the keysets on the installation pole, install first rotation seat on the keysets, install on the first rotation seat and be the guide holder of rotating the connection with it, install the second on the connection and rotate the seat, install on the second rotation seat and be the telescopic link of rotating the connection with it, the other end of telescopic link is installed in the guide holder and can slide in the guide holder.

6. The suction cup for generating negative pressure electrically as claimed in claim 5, wherein: the lower end of the mounting rod is provided with a limiting sleeve, and the upper end of the pull rod is mounted in the limiting sleeve.

7. The suction cup for generating negative pressure electrically as claimed in claim 5, wherein: and a waist-shaped hole is formed in the position of the adapter plate corresponding to the mounting position of the mounting rod.

8. The suction cup for generating negative pressure electrically as claimed in claim 4, wherein: the upper end of the sucker is provided with a groove, a wear-resistant gasket is arranged in the groove, the lower end of the rotating end is in contact with the upper surface of the gasket, the cross section of the pull rod is rectangular, the gasket is provided with a rectangular hole matched with the cross section of the pull rod in shape, and the pull rod penetrates through the rectangular hole.

9. The suction cup for generating negative pressure electrically as claimed in claim 1, wherein: the pull rod is sleeved with a pressure spring, and two free ends of the pressure spring are respectively abutted to the upper part of the diaphragm and the inner wall of the sucker.

10. The suction cup for generating negative pressure electrically as claimed in claim 1, wherein: and the sucking disc is provided with a pull ring.