CN216638131U

CN216638131U - Vacuum generator for vacuum chuck

Info

Publication number: CN216638131U
Application number: CN202123378236.3U
Authority: CN
Inventors: 陈亚昆; 解晓琳; 郭金锋; 郭文波; 郑迎港; 司艳霞; 宋伟宏; 高艳玲
Original assignee: Jicase Luoyang Intelligent Equipment Co ltd
Current assignee: Jicase Luoyang Intelligent Equipment Co ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-05-31
Anticipated expiration: 2031-12-30

Abstract

A vacuum generator for a vacuum chuck relates to the technical field of vacuum generators, and comprises a chuck body, a vacuum cavity which generates suction in a negative pressure state is arranged at the bottom of the chuck body, and the vacuum generator also comprises a handle, a control switch, an exhaust tube and an air inlet nozzle; a vertical handle is arranged at the top of the sucker body, and an air pipe correspondingly communicated with the vacuum cavity of the sucker body is arranged inside the handle; the top end of the handle is provided with an exhaust tube, the handle is provided with an air inlet nozzle at a position close to the top end, and a control switch for controlling the air tube to be respectively communicated or disconnected with the exhaust tube and the air inlet nozzle; the utility model has simple structure and convenient use, and can be operated by one hand.

Description

Vacuum generator for vacuum chuck

Technical Field

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

Background

Vacuum chucks are important tools for handling planar objects; when the existing handheld vacuum sucker is operated, one hand is needed to hold the sucker, and the other hand is needed to control an air source switch, so that the use is extremely inconvenient; in addition, the current vacuum generator for vacuum chuck, whether it forms the detection of vacuum state is mainly to detect with the manometer, and manufacturing cost is higher relatively, is used for destroying the vacuum state in addition, need to use independent device and vacuum generator series connection just can reach the purpose, does so and makes the structure volume of whole device great, uses not enough in a flexible way, and this kind of phenomenon is the problem that technical staff in this field had a urgent need to solve.

Disclosure of Invention

In order to overcome the defects in the background art, the utility model discloses a vacuum generator for a vacuum chuck.

In order to achieve the purpose, the utility model adopts the following technical scheme:

a vacuum generator for a vacuum sucker comprises a sucker body, a handle, a control switch, an exhaust tube and an air inlet nozzle, wherein the bottom of the sucker body is provided with a vacuum cavity for generating suction in a negative pressure state; the top of the sucker body is provided with a vertical handle, and an air pipe correspondingly communicated with the vacuum cavity of the sucker body is arranged inside the handle; the exhaust tube is installed at the top end of the handle, the air inlet nozzle is arranged at the position, close to the top end, of the handle, and the control switch is used for controlling the air tube to be communicated or disconnected with the exhaust tube and the air inlet nozzle respectively.

Preferably, the control switch comprises a valve seat and a valve core, a valve cavity is arranged in the valve seat, an air outlet communicated with the exhaust pipe correspondingly and an air inlet communicated with the air inlet nozzle correspondingly are arranged on one side of the valve cavity at intervals, a connecting port communicated with the air pipe correspondingly is arranged on the other side of the valve cavity, the connecting port is communicated with the air inlet correspondingly when the valve cavity is in the left position, the connecting port is communicated with the air outlet correspondingly when the valve cavity is in the right position, the valve core of the connecting port is sealed when the valve cavity is in the middle position, and two ends of the valve core extend out of the valve seat.

Preferably, springs for keeping the valve core at a middle position in a natural state are arranged between the two ends of the valve core and the valve seat.

Preferably, an indicating device for indicating the negative pressure state in the vacuum cavity of the sucker body is arranged on one side, corresponding to the handle, of the top of the sucker body, and the indicating device comprises a shell, a piston, an indicating column and a return spring; the bottom of the shell is provided with a through hole which is communicated with the vacuum cavity of the sucker body correspondingly, a piston is matched in the shell, the top of the piston is provided with an indicating column which movably penetrates through the top of the shell, and a return spring is arranged between the bottom of the piston and the bottom of the shell.

Preferably, the indication column body is provided with a plurality of color partitions from top to bottom.

Preferably, the air pipe and the suction cup body vacuum cavity are correspondingly communicated, and filter screens are arranged in the air inlet nozzle.

Preferably, the handle body of the handle is provided with anti-skid grains or is sleeved with a rubber sleeve.

Due to the adoption of the technical scheme, the utility model has the following beneficial effects:

the vacuum generator for the vacuum sucker is simple in structure and convenient to use, and can be operated by one hand; the control switch comprises a valve seat and a valve core, a connecting port correspondingly communicated with an air pipe is arranged on the other side of the valve cavity, the connecting port is correspondingly communicated with an air inlet when the valve cavity is in a left position, the connecting port is correspondingly communicated with an air outlet when the valve cavity is in a right position, the valve core of the connecting port is closed when the valve cavity is in a middle position, the valve core is in the right position when an object is sucked, the valve core is in the left position when the object is taken down, the valve core is in the middle position when the object is not used, and the control switch is operated by one hand, so that the operation is convenient and quick; in addition, one side that the sucking disc body top corresponds the handle is equipped with the indicating device who is used for instructing sucking disc body vacuum chamber negative pressure state, and operating personnel can judge sucking disc body vacuum chamber negative pressure state according to the displacement of instruction post, and the structure is small and exquisite, and it is less to occupy the space position, and the installation is nimble convenient.

Drawings

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

FIG. 2 is a schematic diagram of a control switch;

fig. 3 is a schematic structural diagram of the indicating device.

In the figure: 1. a suction cup body; 2. a handle; 3. a control switch; 3-1, valve seats; 3-2, valve core; 3-3, an air outlet; 3-4, an air inlet; 3-5, connecting ports; 3-6, a spring; 4. an air exhaust pipe; 5. an air inlet nozzle; 6. an air tube; 7. an indicating device; 7-1, a shell; 7-2, a piston; 7-3, an indicator column; 7-4 and a return spring.

Detailed Description

The present invention will be explained in detail by the following embodiments, and the purpose of disclosing the utility model is to protect all technical improvements within the scope of the present invention, in the description of the present invention, it should be understood that if there is an orientation or positional relationship indicated by the terms "upper", "lower", "front", "rear", "left", "right", etc., it is only corresponding to the drawings of the present application, and it is convenient to describe the present invention, and it is not intended to indicate or imply that the referred device or element must have a specific orientation.

With reference to the attached drawings 1-3, the vacuum generator for the vacuum sucker comprises a sucker body 1, a vacuum cavity which generates suction in a negative pressure state is arranged at the bottom of the sucker body 1, and the vacuum generator further comprises a handle 2, a control switch 3, an exhaust tube 4 and an air inlet nozzle 5; the top of the sucker body 1 is provided with a vertical handle 2, and an air pipe 6 correspondingly communicated with a vacuum cavity of the sucker body 1 is arranged inside the handle 2; the suction pipe 4 is installed at the top end of the handle 2, the air inlet nozzle 5 is arranged at the position, close to the top end, of the handle 2, and the control switch 3 is used for controlling the air pipe 6 to be communicated or disconnected with the suction pipe 4 and the air inlet nozzle 5 respectively, namely when an operator holds the handle 2 by hand, the control switch 3 can control the suction pipe 4 to be communicated with the vacuum cavity of the sucker body 1 so as to suck an object, when the object needs to be taken down, the control switch 3 can control the air inlet nozzle 5 to be communicated with the vacuum cavity of the sucker body 1 so as to destroy the negative pressure environment of the vacuum cavity of the sucker body 1, and then the object is put down, and the operation is carried out by one hand, so that the operation is convenient and rapid;

the control switch 3 comprises a valve seat 3-1 and a valve core 3-2, a valve cavity is arranged in the valve seat 3-1, one side of the valve cavity is provided with an air outlet 3-3 correspondingly communicated with the exhaust pipe 4 and an air inlet 3-4 correspondingly communicated with the air inlet nozzle 5 at intervals, the other side of the valve cavity is provided with a connecting port 3-5 correspondingly communicated with the air pipe 6, the valve cavity is movably inserted with the valve core 3-2 which enables the connecting port 3-5 to be correspondingly communicated with the air inlet 3-4 when in the left position, enables the connecting port 3-5 to be correspondingly communicated with the air outlet 3-3 when in the right position and seals the connecting port 3-5 when in the middle position, and the two ends of the valve core 3-2 extend out of the valve seat 3-1, namely the valve core 3-2 is enabled to be in the right position when absorbing objects, the valve core 3-2 is enabled to be in the left position when taking down objects, and the valve core 3-2 is enabled to be in the middle position when not in use, the switch is controlled by one hand without operating the other hand, so that the operation is convenient and fast; springs 3-6 for keeping the valve core 3-2 at a middle position in a natural state are arranged between the two ends of the valve core 3-2 and the valve seat 3-1, namely the valve core 3-2 can be in the middle position when the valve core 3-2 can pass through the springs 3-6 when the valve core is not used for a short time, and the air source does not need to be cut off frequently;

in addition, an indicating device 7 for indicating the negative pressure state in the vacuum cavity of the sucker body 1 is arranged on one side, corresponding to the handle 2, of the top of the sucker body 1, and the indicating device 7 comprises a shell 7-1, a piston 7-2, an indicating column 7-3 and a return spring 7-4; the bottom of the shell 7-1 is provided with a through hole correspondingly communicated with the vacuum cavity of the sucker body 1, a piston 7-2 is matched in the shell 7-1, the top of the piston 7-2 is provided with an indicating column 7-3 movably penetrating through the top of the shell 7-1, a return spring 7-4 is arranged between the bottom of the piston 7-2 and the bottom in the shell 7-1, namely, the piston moves downwards under the action of negative pressure when the vacuum cavity of the sucker body 1 is in a negative pressure state, the indicating column 7-3 is driven to move downwards, when the negative pressure environment in the vacuum cavity of the sucker body 1 is damaged, the piston 7-2 moves upwards under the action of the return spring 7-4, the indicating column 7-3 is ejected, namely, an operator can judge the negative pressure state in the vacuum cavity of the sucker body 1 according to the displacement of the indicating column 7-3, the structure is small, and the occupied space position is smaller, the installation is flexible and convenient; the indicating column 7-3 is provided with a plurality of color partitions from top to bottom, namely the displacement of the indicating column 7-3 can be judged according to the color partitions, so that the negative pressure in the vacuum cavity of the sucker body 1 can be judged, and whether air leakage exists or not can be judged; the filter screens are arranged at the position where the air pipe 6 is correspondingly communicated with the vacuum cavity of the sucker body 1 and in the air inlet nozzle 5, so that the control switch 3 is prevented from being blocked due to the fact that foreign matters enter the control switch 3; the handle body of the handle 2 is provided with anti-skid lines or is sleeved with a rubber sleeve, so that the operation hand feeling of an operator can be effectively improved.

When the vacuum generator for the vacuum sucker is implemented, the exhaust pipe 4 is correspondingly communicated with an exhaust port of the vacuum pump when the vacuum generator is used, the vacuum pump is started, an operator can hold the handle 2 by hand when sucking an object, so that the valve core 3-2 is positioned at the right position, the exhaust pipe 4 is communicated with the vacuum cavity of the sucker body 1, so that the vacuum cavity of the sucker body 1 generates negative pressure, and the valve core 3-2 can be positioned at the middle position when the sucker body 1 stably adsorbs the object; when the object is taken down, the valve core 3-2 is in the left position, the air inlet nozzle 5 is communicated with the vacuum cavity of the sucker body 1, the negative pressure environment of the vacuum cavity of the sucker body 1 is destroyed, the object can be put down, the operation of a hand for controlling the switch is not needed, and the operation is convenient and fast.

The utility model is not described in detail in the prior art, and it is apparent to a person skilled in the art that the utility model is not limited to details of the above-described exemplary embodiments, but that the utility model can be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, and any reference signs in the claims are not intended to be construed as limiting the claim concerned.

Claims

1. The utility model provides a vacuum generator for vacuum chuck, contains sucking disc body (1), and sucking disc body (1) bottom is equipped with the vacuum cavity that negative pressure state produced suction, its characterized in that: the device also comprises a handle (2), a control switch (3), an air suction pipe (4) and an air inlet nozzle (5); the top of the sucker body (1) is provided with a vertical handle (2), and an air pipe (6) correspondingly communicated with the vacuum cavity of the sucker body (1) is arranged inside the handle (2); an exhaust tube (4) is installed on the top end of the handle (2), an air inlet nozzle (5) is arranged at the position, close to the top end, of the handle (2), and a control switch (3) used for controlling the air tube (6) to be communicated or disconnected with the exhaust tube (4) and the air inlet nozzle (5) respectively is arranged.

2. The vacuum generator for vacuum chuck as claimed in claim 1, wherein: the control switch (3) comprises a valve seat (3-1) and a valve core (3-2), a valve cavity is arranged in the valve seat (3-1), an air outlet (3-3) correspondingly communicated with the air exhaust pipe (4) and an air inlet (3-4) correspondingly communicated with the air inlet nozzle (5) are arranged at one side of the valve cavity at intervals, a connecting port (3-5) correspondingly communicated with the air pipe (6) is arranged at the other side of the valve cavity, the valve cavity is movably inserted with the valve core (3-2) which enables the connecting port (3-5) to be correspondingly communicated with the air inlet (3-4) when in the left position, enables the connecting port (3-5) to be correspondingly communicated with the air outlet (3-3) when in the right position, and seals the valve core (3-2) of the connecting port (3-5) when in the middle position, and two ends of the valve core (3-2) extend out of the valve seat (3-1).

3. The vacuum generator for vacuum chuck as claimed in claim 2, wherein: springs (3-6) used for keeping the valve core (3-2) at a middle position in a natural state are arranged between the two ends of the valve core (3-2) and the valve seat (3-1).

4. The vacuum generator for vacuum chuck as claimed in claim 1, wherein: an indicating device (7) used for indicating the negative pressure state in the vacuum cavity of the sucker body (1) is arranged on one side, corresponding to the handle (2), of the top of the sucker body (1), and the indicating device (7) comprises a shell (7-1), a piston (7-2), an indicating column (7-3) and a return spring (7-4); the bottom of the shell (7-1) is provided with a through hole correspondingly communicated with the vacuum cavity of the sucker body (1), a piston (7-2) is matched in the shell (7-1), the top of the piston (7-2) is provided with an indicating column (7-3) movably penetrating through the top of the shell (7-1), and a reset spring (7-4) is arranged between the bottom of the piston (7-2) and the bottom in the shell (7-1).

5. The vacuum generator for vacuum chuck as claimed in claim 4, wherein: and the indicating column (7-3) is provided with a plurality of color partitions from top to bottom.

6. The vacuum generator for vacuum chuck as claimed in claim 1, wherein: the air pipe (6) and the vacuum cavity of the sucker body (1) are correspondingly communicated, and filter screens are arranged in the air inlet nozzle (5).

7. The vacuum generator for vacuum chuck as claimed in claim 1, wherein: the handle body of the handle (2) is provided with anti-skid grains or is sleeved with a rubber sleeve.