CN218967289U

CN218967289U - Negative pressure core assembly of vacuum sealing machine

Info

Publication number: CN218967289U
Application number: CN202223080618.2U
Authority: CN
Inventors: 李钦灿
Original assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Current assignee: Guangdong Bangze Chuangke Electric Appliance Co Ltd
Priority date: 2022-11-21
Filing date: 2022-11-21
Publication date: 2023-05-05
Anticipated expiration: 2032-11-21

Abstract

The utility model relates to the technical field of vacuum sealing machines, in particular to a negative pressure core component of a vacuum sealing machine, which comprises the following components: the connecting tongue is fixedly installed on the bottom surface of the connecting tongue, the connecting spring is used for connecting the connecting tongue with the bottom surface of the vacuum cavity in a telescopic manner, the plug seat is detachably connected with the back wall surface of the connecting tongue, the vent head is fixedly installed on the front side of the connecting tongue, the vent head is communicated with the plug seat, and the plug seat is communicated with the vacuum generator through an air duct. The vacuum cavity is internally and slidably connected with the negative pressure core, the sealing part of the sealing bag is sleeved at the negative pressure core, and the upper cover is tightly pressurized on the top surface of the negative pressure core, so that the sealing part of the sealing bag is hermetically sleeved on the outer diameter surface of the negative pressure core, the negative pressure core is communicated with the sealing bag, the sealing bag is pumped to a vacuum state, and the effect of the upper cover locking or tightening or loosening to influence the vacuumizing effect of the sealing bag is prevented.

Description

Negative pressure core assembly of vacuum sealing machine

Technical Field

The utility model relates to the technical field of vacuum sealing machines, in particular to a negative pressure core component of a vacuum sealing machine.

Background

The vacuum package is also called as decompression package, and is characterized in that all air in a packaging container is pumped out and sealed, so that the sealed bag is in a decompression state, the air is rare to be equivalent to a hypoxia effect, and microorganisms have no living condition, so that the purposes of fresh fruits and no occurrence of disease and rot are achieved. The existing vacuum sealing machine comprises the following operation steps of placing a sealing bag in a sealing cavity, locking an upper cover, sealing the sealing cavity, restarting a vacuumizing device, pumping air in the sealing bag through a negative pressure core assembly, sealing a bag opening through a hot melting device, and finally unlocking a lock catch to open the upper cover, so that vacuumizing and sealing are completed.

In the prior art, the negative pressure core component of the vacuum sealing machine is usually an upright ventilation head, and the whole vacuum cavity is vacuumized by communicating the ventilation head with the vacuum cavity. The sealing part of the sealing bag is placed in the vacuum cavity, so that the sealing bag is in a vacuum state, but the locking force cannot be adjusted due to the locking of the upper cover, so that the pressing and overtightening of the sealing bag are easy to occur, the subsequent air extraction is influenced, and the problems that the air extraction speed is slow or the vacuum extraction cannot be realized at all are particularly likely to be caused; the upper cover may be locked loose, so that the vacuum cavity may leak air, and the sealed bag may not be in a vacuum state.

In view of this, it is needed to design a negative pressure core assembly of a vacuum sealing machine, which is to slidingly connect a negative pressure core in a vacuum cavity, sleeve a sealing position of a sealing bag at the negative pressure core, and tightly press an upper cover on the top surface of the negative pressure core, so that the sealing position of the sealing bag is hermetically sleeved on the outer diameter surface of the negative pressure core, the negative pressure core is communicated with the sealing bag, and the sealing bag is pumped out to a vacuum state, thereby preventing the locking or tightening or loosening of the upper cover from affecting the vacuumizing effect of the sealing bag.

Disclosure of Invention

In order to solve the defects in the prior art, the utility model aims to provide a negative pressure core assembly of a vacuum sealing machine, which is characterized in that a negative pressure core is connected in a vacuum cavity in a sliding way, a sealing position of a sealing bag is sleeved at the negative pressure core, an upper cover is tightly pressed on the top surface of the negative pressure core, the sealing position of the sealing bag is tightly sleeved on the outer diameter surface of the negative pressure core, the negative pressure core is communicated with the sealing bag, the sealing bag is pumped out to be in a vacuum state, and the effect of the sealing bag vacuumizing is prevented from being influenced by locking or tightening or loosening of the upper cover.

In order to achieve the above object, the technical scheme of the present utility model is as follows: a negative pressure core assembly of a vacuum sealer, comprising: the connecting tongue is fixedly installed on the bottom surface of the connecting tongue, the connecting spring is used for connecting the connecting tongue with the bottom surface of the vacuum cavity in a telescopic manner, the plug seat is detachably connected with the back wall surface of the connecting tongue, the vent head is fixedly installed on the front side of the connecting tongue, the vent head is communicated with the plug seat, and the plug seat is communicated with the vacuum generator through an air duct.

Furthermore, the communication tongue is wedge-shaped, the front side of the tongue is provided with a plug hole, the ventilation head is inserted into the plug hole in a penetrating manner, and the back wall surface of the communication tongue is detachably connected with the plug seat.

Further, the bottom surface of the communication tongue is provided with a guide shaft and a connection spring seat, the guide shaft and the connection spring seat are fixedly installed at intervals, the guide shaft connects the communication tongue with the bottom of the vacuum cavity, and the connection spring is fixedly installed on the bottom surface of the connection spring seat and connected with the bottom surface of the vacuum cavity.

Further, the socket includes: the device comprises a base body, threaded pins and an air duct, wherein the threaded pins are fixedly arranged on the inner sides of the base body and are in threaded connection with the back wall surfaces of the communication tongues, and the air duct is used for communicating the base bodies.

Further, a communication hole is formed in the end portion of the threaded pin, and the ventilation head penetrates through the insertion hole and the communication hole of the threaded pin to be fixedly connected.

The beneficial effects are that:

the utility model provides a negative pressure core component of a vacuum sealing machine, which is characterized in that a negative pressure core is connected in a vacuum cavity in a sliding way, the sealing position of a sealing bag is sleeved at the negative pressure core, and a cover is tightly pressed on the top surface of the negative pressure core, so that the sealing position of the sealing bag is sleeved on the outer diameter surface of the negative pressure core in a sealing way, the negative pressure core is communicated with the sealing bag, and the sealing bag is pumped to a vacuum state.

Drawings

FIG. 1 is a schematic illustration of a negative pressure core assembly communication tongue of a vacuum sealer of the present utility model;

FIG. 2 is a schematic illustration of the installation of a negative pressure core assembly communication tongue of a vacuum sealer according to the present utility model;

FIG. 3 is a schematic cross-sectional view of a negative pressure core assembly communication tongue of a vacuum sealer according to the present utility model;

fig. 4 is a schematic perspective view showing the installation of a connecting tongue of a negative pressure core assembly of the vacuum sealing machine.

In the figure: the device comprises a 1-connecting tongue, a 2-inserting seat, a 3-ventilation head, a 4-connecting spring, an 11-inserting hole, a 12-guiding shaft, a 13-connecting spring seat, a 21-seat body, a 22-threaded pin and a 23-air duct.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which are obtained by a person skilled in the art based on the embodiments of the utility model, fall within the scope of protection of the utility model.

As shown in fig. 1 to 4, the present utility model discloses a negative pressure core assembly of a vacuum sealer, comprising: the connecting tongue 1, the socket 2, the ventilation head 3 and the connecting spring 4, the connecting spring 4 is fixedly installed on the bottom surface of the connecting tongue 1, the connecting spring 4 is used for connecting the connecting tongue 1 with the bottom surface of the vacuum cavity in a telescopic way, the socket 2 is detachably connected with the back wall surface of the connecting tongue 1, the ventilation head 3 is fixedly installed on the front side of the connecting tongue 1, the ventilation head 3 is communicated with the socket 2, and the socket 2 is communicated with the vacuum generator through an air duct 23.

In this embodiment, the communication tongue 1 is wedge-shaped, the front side of the tongue is provided with a plugging hole 11, the ventilation head 3 is inserted into the plugging hole 11 in a penetrating manner, and the back wall surface of the communication tongue 1 is detachably connected with the plugging seat 2.

In this embodiment, the bottom surface of the communication tongue 1 is provided with a guide shaft 12 and a connection spring seat 13, the guide shaft 12 and the connection spring seat 13 are fixedly installed at intervals, the guide shaft 12 connects the communication tongue 1 with the bottom of the vacuum cavity, and the connection spring 4 is fixedly installed on the bottom surface of the connection spring seat 13 and connected with the bottom surface of the vacuum cavity.

In this embodiment, the socket 2 includes: the device comprises a base 21, a threaded pin 22 and an air duct 23, wherein the threaded pin 22 is fixedly arranged on the inner side of the base 21, the threaded pin 22 is in threaded connection with the back wall surface of the communication tongue 1, and the air duct 23 communicates the base 21.

In this embodiment, a communication hole is formed at an end of the threaded pin 22, and the ventilation head 3 penetrates through the insertion hole 11 and is fixedly connected with the communication hole of the threaded pin 22.

Working principle:

first, the bottom surface of the communication tongue 1 is provided with a connection spring seat 13, the bottom surface of the connection spring seat 13 is fixedly provided with a connection spring 4, the connection spring 4 connects the communication tongue 1 with the bottom surface of the vacuum cavity, and two sides of the connection spring seat 13 are provided with guide shafts 12. When the communication tongue 1 is pressurized by the upper cover, the communication tongue 1 is pressed to move towards the bottom surface of the vacuum cavity, at the moment, the connecting spring 4 is pressed to shrink, and the guide shaft 12 is utilized to limit the telescopic movement of the communication tongue 1 only along the vertical direction of the vacuum cavity, so that the communication tongue 1 is prevented from being deviated in the horizontal direction.

The front side of the communication tongue 1 is provided with a plug hole 11, the ventilation head 3 is plugged in the plug hole 11, the back wall surface of the communication tongue 1 is detachably connected with a plug seat 2, and a threaded pin 22 arranged at the end part of a seat body 21 of the plug seat 2 is in threaded connection with the back wall surface of the communication tongue 1. The end of the threaded pin 22 is provided with a communication hole, and the ventilation head 3 is inserted into the communication hole of the threaded pin 22 after penetrating through the insertion hole 11. At this time, the ventilation head 3 and the socket 2 communicate.

Wherein, because the back wall surface of the base body 21 of the plug-in socket 2 is provided with the air duct 23, the air duct 23 is communicated with the plug-in socket 2 and the vacuum generator. Thereby, the vacuum generator generates a negative pressure on the front side of the communication tongue 1 through the air duct 23, the socket 2 and the ventilation head 3.

When the vacuum sealing machine is used, the sealing part of the sealing bag is sleeved on the outer diameter surface of the communication tongue 1, the upper cover and the vacuum cavity are closed, the sealing bag is pressed in the vacuum cavity by the upper cover, and at the moment, the sealing bag is tightly wrapped on the outer diameter surface of the communication tongue 1. The sealed bag is evacuated to a vacuum state by a vacuum generator.

When the upper cover and the vacuum cavity are separated, the communication tongue 1 rebounds to an initial state under the action of the connecting spring 4, and at the moment, the sealing position of the sealing bag is sealed by hot melting, so that the sealing bag is separated from the communication tongue 1 to finish the sealing operation.

The negative pressure core component of the vacuum sealing machine provided by the utility model is characterized in that a negative pressure core is connected in a vacuum cavity in a sliding way, the sealing position of a sealing bag is sleeved at the negative pressure core, and the top surface of the negative pressure core is tightly pressurized by a cover, so that the sealing position of the sealing bag is hermetically sleeved on the outer diameter surface of the negative pressure core, the negative pressure core is communicated with the sealing bag, the sealing bag is pumped to a vacuum state, and the effect of the sealing bag vacuumizing is prevented from being influenced by locking or tightening or loosening of the upper cover.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather to cover all modifications, equivalents, alternatives, and improvements that fall within the spirit and scope of the utility model.

Claims

1. A negative pressure core assembly of a vacuum sealer, comprising: the connecting tongue (1), the socket (2), the head of ventilating (3) and connecting spring (4), its characterized in that, communicating tongue (1) bottom surface fixed mounting has connecting spring (4), connecting spring (4) will communicating tongue (1) and vacuum chamber bottom surface telescopic connection, socket (2) detachably connect communicating tongue (1) back wall, head of ventilating (3) fixed mounting is in the front side of communicating tongue (1), head of ventilating (3) with socket (2) are linked together, socket (2) are linked together through air duct (23) and vacuum generator.

2. The negative pressure core assembly of the vacuum sealing machine according to claim 1, wherein the communicating tongue (1) is wedge-shaped, a plug hole (11) is arranged at the front side of the tongue, the ventilation head (3) is penetratingly plugged into the plug hole (11), and the plug seat (2) is detachably connected to the back wall surface of the communicating tongue (1).

3. The negative pressure core assembly of the vacuum sealing machine according to claim 2, wherein a guide shaft (12) and a connecting spring seat (13) are arranged on the bottom surface of the communication tongue (1), the guide shaft (12) and the connecting spring seat (13) are fixedly installed at intervals, the guide shaft (12) connects the communication tongue (1) with the bottom of the vacuum cavity, and the connecting spring (4) is fixedly installed on the bottom surface of the connecting spring seat (13) and connected with the bottom surface of the vacuum cavity.

4. A negative-pressure core assembly of a vacuum sealer according to claim 3, characterized in that the socket (2) comprises: the device comprises a base body (21), threaded pins (22) and air ducts (23), wherein the threaded pins (22) are fixedly arranged on the inner side of the base body (21), the threaded pins (22) are in threaded connection with the back wall surface of the communication tongue (1), and the air ducts (23) are used for communicating the base bodies (21).

5. The negative-pressure core assembly of a vacuum sealing machine according to claim 4, characterized in that a communication hole is provided at the end of the threaded pin (22), and the ventilation head (3) is fixedly connected through the insertion hole (11) and the communication hole of the threaded pin (22).