WO2023160533A1

WO2023160533A1 - Handle structure for portable electric vacuum suction cup

Info

Publication number: WO2023160533A1
Application number: PCT/CN2023/077388
Authority: WO
Inventors: 范赵荣; 范赵暄
Original assignee: 范赵荣
Priority date: 2022-02-22
Filing date: 2023-02-21
Publication date: 2023-08-31
Also published as: CN114380051A; CN114380051B

Abstract

A handle structure for a portable electric vacuum suction cup. In the handle structure, a front base (1), a rear base (2), a handle (3), an air suction assembly (4), an air passage valve member (5) and a pressure relief switch (6) are cooperatively arranged to significantly simplify an existing electric suction cup structure, such that the electric suction cup is light, highly integrated and easy to operate, assemble and disassemble. The air passage valve member (5) and a pressing member (61) are cooperatively arranged to achieve air relief and dustproof protection of a water and air extraction head with one key. Therefore, dust blown up by air discharged from a pressure relief port does not easily enter a miniature vacuum pump from a water and air discharging head, the service life of the miniature vacuum pump is significantly extended, the fault rate is reduced, the problem that existing electric suction cups cannot work with the presence of water is properly solved, and the application scope of the electric suction cup is broadened.

Description

Handle structure for a portable electric vacuum suction cup

technical field

The invention relates to the field of vacuum suction cups, in particular to a handle structure for a portable electric vacuum suction cup.

Background technique

During building construction or decoration, it is necessary to frequently grab building materials such as ceramic tiles, rock slabs, marble, astringent stone, steel plates, glass, templates, gypsum boards, and cement boards. At present, in addition to bare-handed grasping, the more commonly used grasping tools include manual vacuum suction cups and electric vacuum suction cups. The existing manual vacuum suction cups cannot continuously add negative pressure during construction, and there is a safety hazard of falling off due to negative pressure reduction during construction. However, the existing electric suction cups have the following defects: (1) construction with water cannot be carried out, and the application range is limited; (2) the negative pressure is pumped intermittently, and there is still a potential safety hazard of falling off due to a sudden decrease in the negative pressure during construction; (3) It is not easy to open a through hole for the center of gravity in the center of the handle, which is not conducive to the operation of multiple suction cups in series to operate large-area plates, and is not conducive to the ventilation and heat dissipation of the electrodes; It is difficult to install; (5) The airway valve parts are fixed at two points, which cannot form a surface-to-surface fitting connection, and cannot guarantee the compactness and stability of the airway system connection surface during dynamic construction.

Contents of the invention

In order to make up for the deficiencies of the prior art, the present invention provides a handle structure for a portable electric vacuum suction cup, which can at least solve or alleviate one problem existing in the prior art.

The technical scheme that the present invention adopts for solving the problems of the technologies described above is:

A handle structure for a portable electric vacuum suction cup, comprising:

For front and rear seats fixed with the suction cup body;

The handle erected on the front seat and the rear seat, an installation channel is formed in the handle, and the front seat is provided with a panel that blocks the front end of the installation channel;

The air pumping assembly is installed in the channel on the rear side of the panel. The air pumping assembly includes a micro vacuum pump. The front end of the micro vacuum pump has a water pumping head and a draining and exhausting head that pass through the panel. The rear end is connected to a power supply cylinder. The drainage and exhaust head is arranged above the pumping head;

An airway valve part that is arranged on the front side of the panel and cooperates with the air extraction assembly. An airway connecting the main body of the suction cup and the suction head is formed in the airway valve part. The seal between the suction head and the airway is formed. connection, the airway valve part is sealed and connected with the main body of the suction cup, the front side of the airway valve part is provided with a pressure relief port communicating with the airway, and the airway valve part is provided with a water supply and drainage head The inserted through hole, the side of the drain and exhaust head is sealed with the front seat or the through hole;

A pressure relief switch cooperating with the airway valve part. The pressure relief switch includes a pressing part arranged on the front side of the airway valve part. A gasket is installed at the lower part of the pressing part corresponding to the pressure relief port, and the middle part is in contact with the airway The hinge shaft is connected between the valve parts or the front seat, and a spring is arranged between the upper part and the airway valve parts, or a torsion spring is arranged on the hinge shaft, so that the pressure relief switch has the first state of sealing the pressure relief port through the gasket, and The second state of exposing the pressure relief port when force is applied to the upper front side of the pressing part, and when the pressure relief switch is in the first state, the drain and exhaust head can drain and exhaust through the through hole, and when the pressure relief switch is in the second state , the pressing piece can be close to or close to the airway valve piece to cover the through hole.

When the handle structure of this application is applied to the electric suction cup, start the micro-vacuum pump to carry out the air extraction operation. After the air extraction is completed, the suction cup can absorb building materials. After the material handling or installation operation is completed, press the upper part of the pressing part of the pressure release switch. The exposed pressure relief port releases the air to release the building materials. At this time, the electric suction cup can be manually lifted while pressing the air release, so as to quickly realize the electric suction cup releasing the building materials.

The handle structure of this application is set through the handle, front seat, rear seat, air extraction assembly, airway valve part and pressure relief switch, and can realize the internal heat dissipation, drainage and exhaust functions of the micro vacuum pump through the drainage and exhaust head, thereby avoiding the internal damage of the micro vacuum pump. The accumulated water is wet, which greatly prolongs the service life of the micro vacuum pump and reduces the failure rate. Specifically, during the construction process, there is a lot of floating dust, especially during the pressure relief operation, it is easier to blow the dust into the drainage and exhaust head when it is vented, and it is easy to form a solid blockage when it contacts with the water in it, and because the micro vacuum pump works to dissipate heat , the solid is more solid when heated and the blockage is more serious. In particular, during the construction process, sometimes it is necessary to cut the material and water it to dissipate heat, so it is more necessary to use the suction cup Drainage is more likely to be blocked. This application solves this problem better through the structural cooperation of the pressure relief switch, airway valve parts and micro vacuum pumps. Specifically, when the pressure relief switch is in the first state, the drainage The exhaust head plays a certain role in shielding, and when the pressure relief switch is in the second state, it is closer to the airway valve to play a better shielding effect, thereby preventing dust from entering the drain and exhaust head and causing blockage. The handle structure of the present application realizes deflation and dustproof protection of the exhaust head with one key, which better solves the problem that the existing electric suction cup cannot realize water-carrying operation, and increases the application range of the electric suction cup.

Wherein, the panel of the front seat is provided with through holes respectively adapted to the pumping head and the draining head.

In one example, the upper part of the pressing part is a semi-wrapped structure surrounding the upper part of the airway valve part, no matter the pressure relief switch is in the first state or the second state, it can better cover the through hole and avoid dust Enter.

In one example, a spring is provided between the upper part of the pressing part and the airway valve part, and the end of the spring away from the pressing part extends into the through hole to limit the position. Such arrangement can realize efficient use of space and better completion in a limited space The dust-shielding function of the through hole does not need to be fixed by the spring, which is not only convenient for disassembly and assembly, but also can effectively slow down the deformation of the spring to improve its service life;

The front side of the airway valve part corresponding to the position of the through hole is an upward slope, so that when the pressure relief switch is in the second state, it can be closer to the airway valve part and achieve better dust-shielding effect.

In one example, the airway valve part and the panel are fixed by four points, which can make the surface of the airway valve part and the panel face close to each other, ensuring that the airway connection surface is dense and stable during dynamic construction Sex, thus ensuring the realization of better adsorption and grasping ability of the suction cup.

In one example, the rear end of the miniature vacuum pump is connected to the power supply cylinder through a connector; one end of the connector has a first card interface that matches the rear end of the miniature vacuum pump, and the other end has a The matching second card interface, the two sides of the middle part of the connecting piece are respectively formed with wiring slots communicating with the first card interface and the second card interface, so that the wires of the micro vacuum pump and the electric sheet of the power supply tube extend into the wiring slots connect. With such a setting, the air extraction component can be inserted from one end of the installation channel to be fixed with the handle during installation, which is convenient and fast. It can not only better connect the micro vacuum pump and the power supply cylinder to ensure normal power-on use, but also better protect the wires and pads. connection to the blades without fraying the wires and The joint of the gasket, or pull it, thereby reducing the probability of failure; in addition, the structural integrity of the air extraction component can be made stronger, which is convenient for assembly with the handle.

In one example, a connecting hole is provided in the middle of the connecting piece, and the connecting hole is arranged vertically to the center line of the two connecting grooves, and an upper hole and a lower hole connected with the connecting hole are arranged on the handle at the center of gravity. . Such setting can facilitate its safe fixing with the combined frame when it is used in combination. The cooperation of the various parts of the handle structure of the present application can realize the opening of the connecting hole, the upper hole and the lower hole more conveniently without affecting other structural performances.

In one example, the power supply tube includes a cylinder body at least partially placed in the installation channel, and a rear cover completely placed outside the installation channel, a battery chamber for installing a battery is formed in the cylinder body, and the rear cover is provided with There is an air pumping and pressing switch, which is set in this way to facilitate charging or replacing the battery when it is taken out.

In one example, an insulating sleeve is further provided in the cavity of the battery to further provide insulation protection for the loaded battery.

In one example, the front seat, the rear seat, the handle and the airway valve part are respectively made of plastic; the front seat, the rear seat, the handle and the airway valve part are integrally formed, which is lighter in weight.

In one example, the front end of the handle is symmetrically provided with two plug-in parts, and each plug-in part is provided with a fixing hole, and the mounting plate is provided with an insertion hole for the plug-in parts to pass through. There is a protective sheet in front of the valve and the pressure relief switch, and the two sides of the protective sheet are respectively fixed with the two socket parts. Specifically, they can be fixed by bolts to facilitate the assembly and disassembly of the handle and the front seat, and the protective sheet Realize the protection of breather and pressure relief switch.

In one example, the power cylinder is fastened in the installation channel through an installation sleeve.

The present invention adopts above-mentioned structure, and the advantage that it has is:

1. The handle structure of this application is set through the handle, front seat, rear seat, air extraction assembly, airway valve and pressure relief switch, and can realize the internal heat dissipation, drainage and exhaust functions of the micro vacuum pump through the drainage and exhaust head, thereby avoiding the miniature The water inside the vacuum pump is damp, which greatly prolongs the service life of the micro vacuum pump and reduces the failure rate.

Specifically, during the construction process, there is a lot of floating dust, especially during the pressure relief operation, it is easier to blow the dust into the drainage and exhaust head when it is vented, and it is easy to form a solid blockage when it contacts with the water in it, and because the micro vacuum pump works to dissipate heat , the solid is more solid when it is heated and the blockage is more serious. In particular, during the construction process, sometimes it is necessary to cut the material and water it to dissipate heat. Therefore, when using the suction cup, it is more necessary to drain water, and the possibility of blockage is greater. This application uses pressure relief The structural cooperation of the switch, the airway valve parts and the micro vacuum pump solves this problem better. Specifically, when the pressure relief switch is in the first state, it plays a certain role in shielding the drain and exhaust head, and the pressure relief switch is in the second state. In the second state, it is closer to the valve part of the airway to play a better shielding effect, thereby preventing dust from entering the drain and exhaust head and causing blockage. The handle structure of the present application realizes deflation and dust-proof protection of the exhaust head with one key, which better solves the problem that the existing electric suction cup cannot realize the operation with water, and increases the application range of the electric suction cup.

2. The upper part of the pressing part is set as a semi-enclosed structure surrounding the upper part of the airway valve part. Whether the pressure relief switch is in the first state or the second state, it can better block the through hole and prevent dust from entering.

The spring is placed in the through hole to cooperate with the airway valve parts, which can realize efficient use of space, better complete the dust shielding effect on the through hole in a limited space, and at the same time do not need to fix the spring, not only is it more convenient to disassemble and assemble, but also can effectively Slow down the deformation of the spring to increase its service life;

The front side of the airway valve part corresponding to the position of the through hole is an upward slope, which can be better close to the airway valve part when the pressure relief switch is in the second state, so as to achieve better dust-shielding effect.

3. The airway valve part and the panel are fixed by four points, which can make the surface of the airway valve part and the panel close to each other, which ensures the compactness and stability of the airway connection surface during dynamic construction, thereby ensuring Suction cups achieve better adsorption and gripping capabilities.

4. Through the setting of the connecting piece, the connection between the micro-vacuum pump and the power supply cylinder can be realized stably and safely, as well as the quick assembly of the air pumping component and the handle; the setting of the through hole on the connecting piece facilitates the combined use of multiple electric vacuum suction cups, and Does not affect the pumping process.

5. The handle and front seat are installed through the protective sheet. On the one hand, the pressure relief switch is protected, and on the other hand, the handle and the front seat are fixed. There are fewer connection points and quick assembly.

6. The structure of the handle of the present application greatly simplifies the structure of the existing electric suction cup, so that it has the advantages of lightness, high degree of integration, and convenient operation and disassembly.

Description of drawings

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

Fig. 2 is a partial cross-sectional structural schematic diagram of Fig. 1;

Fig. 3 is a schematic diagram of the enlarged structure of part A in Fig. 2;

Fig. 4 is one of the structural schematic diagrams after removing the pressure relief switch in Fig. 1;

Fig. 5 is one of the structural schematic diagrams in which the airway valve part is removed in Fig. 4;

Fig. 6 is a structural schematic diagram of removing the air extraction assembly in Fig. 5;

Fig. 7 is a partial cross-sectional structural schematic diagram of another embodiment of the present invention;

Fig. 8 is a schematic structural view of the air extraction assembly in Fig. 7;

Fig. 9 is an exploded view of one of the connectors in Fig. 8;

Fig. 10 is a schematic structural diagram of another embodiment of the present invention;

Fig. 11 is a schematic structural diagram of another embodiment of the present invention.

In the figure, 1. front seat, 2. rear seat, 3. handle, 4. air extraction assembly, 5. airway valve part, 6. pressure relief switch, 7. protective sheet;

31. Installation channel, 32. Insertion part;

41. Miniature vacuum pump, 42. Power supply cylinder, 43. Connector, 411. Pumping head, 412. Drainage and exhaust head, 421. Pumping push switch, 422. Cylinder body, 423. Back cover, 424. Battery cavity , 425, insulating sleeve, 431, wiring groove, 432, connecting hole;

51, airway, 52, air vent, 53, through hole;

61, pressing member, 63, sealing gasket, 63, spring.

Detailed ways

In order to clearly illustrate the technical features of this solution, the present invention will be described in detail below through specific implementation modes and in conjunction with the accompanying drawings. In the description that follows, numerous specific details are set forth in order to provide a full understanding This application, however, this application can also be implemented in other ways than those described here, therefore, the protection scope of this application is not limited by the specific embodiments disclosed below.

As shown in Figures 1-6, in this embodiment, the handle structure of the portable electric vacuum chuck includes:

Front seat 1 and rear seat 2 for fixing with the main body of the suction cup;

The handle 3 erected on the front seat 1 and the rear seat 2, the handle 3 is formed with an installation channel 31, and the front seat 1 is provided with a panel to block the front end of the installation channel;

The air extraction assembly 4 installed in the channel 31 on the rear side of the panel, the air extraction assembly 4 includes a miniature vacuum pump 41, the front end of the miniature vacuum pump 41 has a water suction head 411 and a drainage and exhaust head 412 that penetrate the panel. The end is connected to a power supply cylinder 42, and the drainage and exhaust head 412 is arranged above the water pumping head 411;

The airway valve part 5 that is arranged on the front side of the panel and cooperates with the air pumping assembly 4 is formed with an airway 51 that communicates with the main body of the suction cup and the water pumping head 411 in the air port valve part 5, and the water pumping head 411 It is sealed and connected with the air passage 51, and the air passage valve part 5 is sealed and connected with the main body of the suction cup. The front side of the air passage valve part 5 is provided with a pressure relief port 52 communicating with the air passage 51. The air valve member 5 is provided with a through hole 53 for inserting the drain head 412, and the side part of the drain head 412 is sealed with the front seat 1 or the through hole 53;

The pressure relief switch 6 arranged in cooperation with the airway valve part, the pressure relief switch 6 includes a pressing part 61 arranged on the front side of the airway valve part 5, the lower part of the pressing part 61 is installed with a seal corresponding to the pressure relief port 52 Pad 62, the middle part is connected with the hinge shaft between the airway valve part 5 or the front seat 1, and a spring 63 is arranged between the upper part and the airway valve part 5, or a torsion spring is arranged on the hinge shaft, so that the pressure relief switch 6 has a pass through The first state in which the gasket 62 seals the pressure relief port 52, and the second state in which the pressure relief port 52 is exposed when a force is applied to the upper front side of the pressing member 61, and when the pressure relief switch 6 is in the first state, the drain and exhaust head 412 can drain and exhaust water through the through hole 53 , and when the pressure relief switch 6 is in the second state, the pressing member 61 can be close to or close to the airway valve member 5 to cover the through hole 53 .

The handle structure of the present application is set through the cooperation of the handle 3, the front seat 1, the rear seat 2, the air extraction assembly 4, the airway valve part 5 and the pressure relief switch 6, and can smoothly realize the inside of the micro vacuum pump 41 through the drainage and exhaust head 412. Internal heat dissipation, drainage and exhaust functions, thereby avoiding water accumulation and humidity inside the micro vacuum pump 41, prolonging the service life of the micro vacuum pump 41 to a large extent, and reducing the failure rate. Specifically, during the construction process, there are many floating dusts, especially during the pressure relief operation, the air leakage is more likely to blow up the dust into the drain and exhaust head 412, and it is easy to form a solid blockage when it contacts with the water therein, and because the micro vacuum pump 41 Work to dissipate heat, the solid is more solid when heated, which leads to more serious clogging. In particular, during the construction process, sometimes it is necessary to cut materials and water to dissipate heat. Therefore, when using suction cups, more drainage is required, and the possibility of clogging is greater. This application is approved The structural cooperation of the pressure relief switch 6, the airway valve member 5 and the micro vacuum pump 41 solves this problem better. Specifically, when the pressure relief switch 6 is in the first state, it can block the drain and exhaust head 412 to a certain extent. As a result, when the pressure relief switch 6 is in the second state, it is closer to the airway valve member 5 for a better shielding effect, thereby preventing dust from entering the drain and exhaust head 412 and causing blockage. The handle structure of the present application realizes deflation and dust-proof protection of the exhaust head with one key, which better solves the problem that the existing electric suction cup cannot realize the operation with water, and increases the application range of the electric suction cup.

Wherein, the panel of the front seat is provided with through holes adapted to the water pumping head and the drainage and exhaust head respectively, so that the water pumping head and the drainage and exhaust head respectively penetrate through the panel and cooperate with the airway valve parts to better Realize exhaust and drainage operations.

Further, the power supply cylinder 42 is fastened in the installation channel 31 through an installation sleeve 44 .

As shown in Figure 1, in one of the embodiments, the upper part of the pressing member 61 is a semi-wrapped structure surrounding the upper part of the airway valve member 5, no matter the pressure relief switch 6 is in the first state or the second state, it can Realize the function of better shielding the through hole and prevent dust from entering.

As shown in Fig. 2, in one of the embodiments, a spring 63 is provided between the upper part of the pressing member 61 and the airway valve member 5, and the end of the spring 63 away from the pressing member extends into the through hole 53 for limiting, so that, Efficient use of space can be achieved, and the dust-shielding effect on the through hole can be better completed in a limited space. At the same time, it is not necessary to fix the spring 63. Not only is it more convenient to disassemble and assemble, but it can also effectively slow down the deformation of the spring during use, so as to improve its service life;

Further, the front side of the airway valve member 5 corresponding to the position of the through hole 53 is an upward slope, so that when the pressure relief switch is in the second state, it can be closer to the airway valve member 5 to achieve better shielding. Dust effect.

As shown in Figure 4, in one of the embodiments, four points are used to fix the airway valve part 5 and the panel, which can make the surface of the airway valve part 5 and the surface of the panel close to each other, ensuring that During dynamic construction, the airway connection surface is dense and stable, thus ensuring the realization of better adsorption and grasping ability of the suction cup.

As shown in Figures 7-9, in one specific embodiment, the rear end of the miniature vacuum pump 41 is connected to the power supply cylinder 42 through a connecting piece 43;

One end of the connecting piece 43 has a first card interface that matches the rear end of the micro vacuum pump 41, and the other end has a second card interface that matches the front end of the electric power supply cylinder. The first card interface and the second card interface are connected to the wiring slot 431, so that the electric wire of the micro vacuum pump 41 and the electric sheet of the power supply tube extend into the wiring slot 431 for connection. Such arrangement can not only better connect the micro-vacuum pump 41 and the power supply cylinder 42, but also better protect the connection of the wires and the pads, so that the joints of the wires and the pads will not be worn when the air pumping assembly is inserted, or the It is pulled, thereby reducing the probability of failure; in addition, such setting makes the structure of the air extraction component stronger, and is convenient for assembly with the handle.

As shown in Figures 7-8, in one specific embodiment, the power supply cylinder 42 includes a cylinder body 422 at least partially placed in the installation channel, and a rear cover 423 completely placed outside the installation channel, the cylinder A battery cavity 424 for installing a battery is formed in the body 422, and the rear cover 423 is provided with an air suction push switch 421, which is convenient for taking out the battery for charging or replacing the battery.

Furthermore, an insulating sleeve 425 is provided in the battery cavity 424 to further provide insulation protection for the loaded battery.

As shown in Figures 8 and 10, in one of the specific embodiments, a connecting hole 432 is also provided in the middle of the connecting piece 43, and the connecting hole 432 is arranged vertically to the center line of the two connecting grooves. An upper hole and a lower hole connected to the connecting hole 432 are provided at the center of gravity. Such setting can facilitate its safe fixing with the combined frame when it is used in combination. The cooperation of the various parts of the handle structure of the present application can realize the opening of the connecting hole, the upper hole and the lower hole more conveniently without affecting other structural performances.

As shown in Figure 8, in one of the specific embodiments, the front end of the handle 3 is symmetrically provided with two insertion parts 32, each insertion part 32 is provided with a fixing hole, and the mounting plate is provided with The jack for the insertion part 32 to pass through, the front of the airway valve part 5 and the pressure relief switch 6 is provided with a protective sheet 7, and the two sides of the protective sheet 7 are respectively fixed with the two insertion parts 32, specifically , can be fixed by bolts to facilitate the assembly and disassembly of the handle 3 and the front seat 1, and the protection of the breather and the pressure relief switch is realized by the protective sheet 7.

As shown in Figure 11, in one of the specific embodiments, the front seat 1, the rear seat 2, the handle 3 and the airway valve part 4 are respectively made of plastic material; the front seat 1, the rear seat 2, the handle 3 and the airway valve Part 5 is integrally formed.

The above specific implementation manners cannot be regarded as limiting the protection scope of the present invention. For those skilled in the art, any substitution, improvement or transformation made to the implementation manners of the present invention shall fall within the protection scope of the present invention. The parts of the present invention that are not described in detail are known technologies to those skilled in the art.

Claims

A handle structure for a portable electric vacuum suction cup, characterized in that it includes:

For front and rear seats fixed with the suction cup body;

The handle erected on the front seat and the rear seat, an installation channel is formed in the handle, and the front seat is provided with a panel that blocks the front end of the installation channel;

The air pumping assembly is installed in the channel on the rear side of the panel. The air pumping assembly includes a micro vacuum pump. The front end of the micro vacuum pump has a water pumping head and a draining and exhausting head that pass through the panel. The rear end is connected to a power supply cylinder. The drainage and exhaust head is arranged above the pumping head;

An airway valve part that is arranged on the front side of the panel and cooperates with the air extraction assembly. An airway connecting the main body of the suction cup and the suction head is formed in the airway valve part. The seal between the suction head and the airway is formed. connection, the airway valve part is sealed and connected with the main body of the suction cup, the front side of the airway valve part is provided with a pressure relief port communicating with the airway, and the airway valve part is provided with a water supply and drainage head The inserted through hole, the side of the drain and exhaust head is sealed with the front seat or the through hole;

A pressure relief switch cooperating with the airway valve part. The pressure relief switch includes a pressing part arranged on the front side of the airway valve part. A gasket is installed at the lower part of the pressing part corresponding to the pressure relief port, and the middle part is in contact with the airway The hinge shaft is connected between the valve parts or the front seat, and a spring is arranged between the upper part and the airway valve parts, or a torsion spring is arranged on the hinge shaft, so that the pressure relief switch has the first state of sealing the pressure relief port through the gasket, and The second state of exposing the pressure relief port when force is applied to the upper front side of the pressing part, and when the pressure relief switch is in the first state, the drain and exhaust head can drain and exhaust through the through hole, and when the pressure relief switch is in the second state , the pressing piece can be close to or close to the airway valve piece to cover the through hole.
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the upper part of the pressing part is a half-wrapped structure surrounding the upper part of the airway valve part;

The panel of the front seat is provided with through holes respectively adapted to the water suction head and the drainage and exhaust head.
The handle structure for a portable electric vacuum chuck according to claim 1 or 2, wherein a spring is provided between the upper part of the pressing piece and the airway valve piece, and the end of the spring away from the pressing piece extends into the through hole middle limit;

The front side of the airway valve part corresponding to the position of the through hole is an upper slope.
The handle structure for a portable electric vacuum chuck according to claim 1 or 2, characterized in that, the airway valve part and the panel are fixed by four points.
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the air pumping assembly is connected to the power supply cylinder through a connecting piece, and one end of the connecting piece has a second end that is matched with the rear end of the miniature vacuum pump. One card interface, the other end has a second card interface that matches the front end of the power supply cylinder, and the two sides of the middle part of the connector are respectively formed with wiring grooves that communicate with the first card interface and the second card interface, so that the wires of the micro vacuum pump And the electric sheet of the power supply torch is stretched into the wiring groove to connect.
The handle structure for a portable electric vacuum chuck according to claim 5, wherein a connecting hole is also provided in the middle of the connecting piece, the connecting hole is arranged vertically to the center line of the two connecting grooves, and the handle is located at the center of gravity An upper hole and a lower hole connected with the connection hole are provided.
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the power supply cylinder includes a cylinder body at least partially placed in the installation channel, and a rear cover completely placed outside the installation channel, and the cylinder body A battery cavity for installing a battery is formed, and the rear cover is provided with an air suction push switch;

Preferably, an insulating sleeve is also provided in the battery chamber.
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the front seat, the rear seat, the handle and the airway valve parts are respectively made of plastic; the front seat, the rear seat, the handle and the airway valve parts are integrally formed .
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the front end of the handle is symmetrically provided with two insertion parts, each insertion part is provided with a fixing hole, and the panel is provided with A protective sheet is provided in front of the airway valve member and the pressure relief switch through the jack for the insertion part, and the two sides of the protection sheet are respectively fixed to the two insertion parts.
The handle structure for a portable electric vacuum chuck according to claim 1, wherein the power supply cylinder is fastened in the installation channel through an installation sleeve.