CN112478259A

CN112478259A - External air nozzle for vacuum packaging machine

Info

Publication number: CN112478259A
Application number: CN202011365259.8A
Authority: CN
Inventors: 许崇兰
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-28
Filing date: 2020-11-28
Publication date: 2021-03-12

Abstract

The invention discloses an external air faucet for a vacuum packaging machine, which comprises a protective box connected to the vacuum packaging machine and an air faucet body arranged in the protective box, wherein the air faucet body consists of a suction nozzle and an air channel pipe, a locking assembly is fixedly arranged at the bottom of the protective box, a protective seat is arranged in the protective box and is welded with one end of the locking assembly, the same first protective assembly is arranged on the lower end part of the protective seat and the lower end part of the air channel pipe, and an early warning assembly is arranged on the outer side wall of the front end of the air channel pipe. According to the invention, through the arrangement of the first protection component, the second protection component and the locking component, the protection box, the air nozzle body and the vacuum packaging machine are integrally formed, the safety and the stability of the operation of the external air nozzle are improved, multiple protection treatments can be carried out, the condition that the air channel pipe is damaged and cracked is avoided, the early warning and the subsequent maintenance and repair of abnormal pressure difference are carried out, and the further expansion of the loss of the external air nozzle is avoided.

Description

External air nozzle for vacuum packaging machine

Technical Field

The invention relates to the technical field of external components of vacuum packaging machines, in particular to an external air nozzle for a vacuum packaging machine.

Background

At present, human lives are more and more abundant, food is more and more, and a trend is towards keeping food fresh by vacuum packaging in order to prevent food from going bad, growing insects or other problems, or to store food for a long time and save refrigerator space and directly put the food indoors.

And to vacuum packaging machine's external air cock, thereby often be used for the suction air to make food reach the vacuum state, because the state of air cock suction makes the inside and outside pressure differential of air flue pipe of air cock self big, when meetting unexpected condition and leading to the suction not in good order, very easily take place the condition that the air flue pipe damage cracked, the maintenance is troublesome, consequently needs an external air cock for vacuum packaging machine urgently.

Disclosure of Invention

The invention aims to solve the problems that the pressure difference between the inside and the outside of an air channel pipe of an air faucet is large due to the suction state of the air faucet in the prior art, and the air channel pipe is easy to damage and crack when the suction is not smooth due to an accident situation, and provides the external air faucet for the vacuum packaging machine.

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

an external air faucet for a vacuum packaging machine comprises a protective box connected to the vacuum packaging machine and an air faucet body arranged in the protective box, wherein the air faucet body consists of a suction nozzle and an air channel pipe, a locking assembly is fixedly arranged at the bottom of the protective box, a protective seat is arranged in the protective box and is welded with one end of the locking assembly, the lower end part of the protective seat and the lower end part of the air channel pipe are respectively provided with a same first protective assembly, the upper end part of the protective seat and the upper end part of the air channel pipe are respectively provided with a same second protective assembly, an early warning assembly is arranged on the outer side wall of the front end of the air channel pipe, so that the protective box, the air faucet body and the vacuum packaging machine are integrally formed, the safety and the stability of the operation of the external air faucet are improved, multiple protection processing can be carried out, and the condition that the air channel pipe is damaged and cracked, can also carry out the early warning to unusual pressure differential, conveniently overhaul the maintenance, avoid the further expansion of external air cock loss.

Preferably, the suction nozzle is inserted into the top surface of the protective box, the suction nozzle is communicated with the air channel pipe, and the output end of the air channel pipe is communicated with the vacuum packaging machine.

Preferably, the locking subassembly includes that the locking subassembly includes fixed mounting in the explosion-proof plate of protective housing bottom, the left and right sides of explosion-proof plate is all inlayed and is had the locking piece, the upper end of locking piece welds with the bottom of protection seat, and the setting of locking subassembly has realized protective housing, air cock body and vacuum packaging machine integrated into one piece, and the effectual emergence of having avoided the gas channel pipe to rock the condition to external air cock operation work's stability and security have been improved.

Preferably, first protection component includes the arc transmission piece with the lower tip fixed connection of air duct pipe, the lower tip part of protection seat is equipped with a plurality of interior tooth's sockets, both ends all are equipped with the block tooth about the arc transmission piece, lie in same one side the block tooth is connected with interior tooth's socket meshing, and setting up of first protection component has realized keeping the air duct pipe within a invariable safety range to further the security performance of air duct pipe has been improved.

Preferably, a plurality of shock absorption cavities are arranged in the arc-shaped transmission block in an array mode, and a plurality of damping shock absorbers are fixedly mounted in the shock absorption cavities.

Preferably, the second protection component is including the operation groove of locating the upper end part of protection seat, all weld on the relative lateral wall of operation groove has impulsive force compensation arrangement, two the equal fixed mounting in the relative one side of impulsive force compensation arrangement has pressure conduction device, two the meshing setting in the relative one side of pressure conduction device, fixed mounting has the conduction pole, two on the front end lateral wall of the upper end part of gas channel pipe the pressure conduction device all overlaps locates on the conduction pole, and the transmission to pressure has been realized to setting up of second protection component, has avoided stress concentration to lead to the gas channel pipe condition of rupture damage to the effect of protection has been played.

Preferably, the early warning assembly comprises an early warning barrel fixedly arranged on the outer side wall of the front end of the air channel pipe, the early warning barrel is communicated with the inner side wall of the air channel pipe through a guide pipe, two constant force springs are fixedly arranged on the inner wall of the left side of the early warning barrel, the other ends of the two constant force springs are fixedly connected with a same stabilizing block, the upper end and the lower end of the stabilizing block are connected with the upper inner side wall and the lower inner side wall of the air channel pipe in a sliding and sealing manner, a same early warning air bag is arranged between the right side wall of the stabilizing block and the inner wall of the right side of the early warning barrel, warning air bags are filled with colorful warning gas, the early warning air bag is communicated with an early warning pipe, a one-way pressure valve is fixedly arranged in the air outlet end of the early warning pipe, the early warning assembly can timely early warn the pressure difference exceeding the normal range, and reminds an operator, and the loss of the external air nozzle is reduced.

Compared with the prior art, the invention has the beneficial effects that:

1. the air nozzle body can be locked through the arrangement of the locking assembly, so that the protective box, the air nozzle body and the vacuum packaging machine are integrally formed, the condition that the air channel pipe shakes in the process of sucking air is avoided, and the safety of the suction nozzle and the air channel pipe in the using process is ensured.

2. The invention can compensate the pressure difference generated inside and outside the air channel pipe by matching the impact force compensation device and the pressure conduction device, so that the pressure difference inside and outside the air channel pipe is maintained in a constant state, thereby avoiding the situation that the air channel pipe is damaged and cracked.

3. According to the invention, through the arrangement of the arc-shaped transmission block, the pressure generated on the surface of the air channel pipe can be guided and unloaded, the conducted pressure can be buffered and reduced by installing the damping shock absorber in the shock absorption cavity, and the conducted pressure can be guided to the left side and the right side of the protection seat through the meshing connection of the inner tooth socket and the clamping teeth, so that the condition that the air channel pipe is broken and damaged due to stress concentration is avoided, and the protection effect is achieved.

4. According to the invention, the early warning assembly can be used for timely early warning the pressure difference exceeding the normal range, the early warning air bag is extruded by using the abnormal pressure difference, and the gas with bright color is discharged into the operation space, so that the operator is reminded to carry out timely maintenance treatment, the deeper loss of the external air nozzle is reduced, and the qualification rate of the product vacuum package is further ensured.

Drawings

FIG. 1 is a schematic structural diagram of an external air nozzle for a vacuum packaging machine according to the present invention;

FIG. 2 is an enlarged schematic view at A in FIG. 1;

FIG. 3 is an enlarged schematic view at B of FIG. 1;

FIG. 4 is a schematic structural diagram of an impact force compensation device in an external air nozzle for a vacuum packaging machine according to the present invention;

fig. 5 is a schematic structural diagram of an early warning assembly in an external air faucet for a vacuum packaging machine according to the present invention.

In the figure: the device comprises a protection box 1, an air nozzle body 2, a suction nozzle 3, an air channel pipe 4, a protection seat 5, an explosion-proof plate 6, a locking block 7, an arc-shaped transmission block 8, an internal tooth groove 9, a clamping tooth 10, a damping cavity 11, a damping shock absorber 12, an operation groove 13, an impact compensation device 14, a pressure conduction device 15, a conduction rod 16, an early warning cylinder 17, a guide pipe 18, a constant force spring 19, a stable block 20, an early warning air bag 21 and an early warning pipe 22.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

Referring to fig. 1-3, an external air cock for vacuum packaging machine, including connecting protective housing 1 on vacuum packaging machine and setting up air cock body 2 in protective housing 1, air cock body 2 comprises suction nozzle 3 and air duct pipe 4, suction nozzle 3 inserts the top surface setting of locating protective housing 1, suction nozzle 3 is linked together with air duct pipe 4, the output of air duct pipe 4 is linked together with vacuum packaging machine, the bottom fixed mounting of protective housing 1 has locking component, be equipped with protection seat 5 in the protective housing 1, protection seat 5 welds with locking component's one end mutually, the lower tip of protection seat 5 is equipped with same first protection component with the lower tip of air duct pipe 4 on the part, be equipped with same second protection component on the upper end part of protection seat 5 and the upper end part of air duct pipe 4, be equipped with the early warning subassembly on the front end lateral wall of air duct pipe (4).

Wherein, the locking subassembly includes that the locking subassembly includes fixed mounting in the explosion-proof board 6 of protective housing 1 bottom, and the left and right sides of explosion-proof board 6 is all inlayed and is had locking block 7, and the upper end of locking block 7 welds with the bottom of protection seat 5, and the setting of explosion-proof board 6 and locking block 7 makes protective housing 1, air cock body 2 and vacuum packaging machine integrated into one piece.

Wherein, first protection component includes the arc transmission piece 8 with the lower tip fixed connection of gas channel pipe 4, the tip part is equipped with a plurality of interior tooth's socket 9 under the protection seat 5, both ends all are equipped with block tooth 10 about arc transmission piece 8, it is connected with the meshing of interior tooth's socket 9 with the block tooth 10 of one side to lie in, the array is provided with a plurality of shock attenuation chambeies 11 in the arc transmission piece 8, equal fixed mounting has damping shock absorber 12 in a plurality of shock attenuation chambeies 11, arc transmission piece 8 can transmit the pressure that produces on the gas channel pipe 4 outer wall.

Wherein, the second protection component is including the operation groove 13 of locating the upper end part of protection seat 5, all weld on the relative lateral wall in operation groove 13 impulsive force compensation arrangement 14, the equal fixed mounting in one side that two impulsive force compensation arrangement 14 are relative has pressure conduction device 15, the meshing setting in one side that two pressure conduction devices 15 are relative, fixed mounting has conduction pole 16 on the front end lateral wall of the upper end part of gas channel pipe 4, on conduction pole 16 is located to two pressure conduction device 15 all covers, conduction pole 16 is prior art to the conduction of power, do not do here and describe repeatedly excessively.

More specifically, the early warning assembly comprises an early warning barrel 17 fixedly installed on the outer side wall of the front end of the air channel pipe 4, the early warning barrel 17 is communicated with the inner side wall of the air channel pipe 4 through a guide pipe 18, two constant force springs 19 are fixedly installed on the inner wall of the left side of the early warning barrel 17, the other ends of the two constant force springs 19 are fixedly connected with the same stabilizing block 20, the upper end and the lower end of the stabilizing block 20 are connected with the upper inner side wall and the lower inner side wall of the air channel pipe 4 in a sliding and sealing manner, the same early warning air bag 21 is arranged between the right side wall of the stabilizing block 20 and the right side wall of the early warning barrel 17, the early warning air bag 21 is filled with warning gas with bright colors, the early warning pipe 22 is communicated with the early warning air bag 21, a one-way pressure valve is fixedly installed in the air outlet end of the early warning pipe 22, and attention needs to be paid, because, namely, the space at the left side of the dimensionally stable block 20 in the early warning cylinder 17 is communicated with the inner side wall of the air passage pipe 4 to form a communicated space, when the pressure difference between the inside and the outside of the air channel pipe 4 is in a normal range, the stabilizing block 20 slides to the left in the early warning cylinder 17 and extrudes the two constant force springs 19, the early warning air bag 21 is kept in a constant state at the moment, when the pressure difference between the inside and the outside of the air channel pipe 4 exceeds a normal range, the constant force spring 19 drives the stabilizing block 20 to extrude the early warning air bag 21, so that the colorful warning gas filled in the warning air bag 21 is discharged through the one-way pressure valve in the warning pipe 22, and the setting of one-way pressure valve makes the gas in the early warning gasbag 21 just can discharge under the condition that receives external force extrusion, has guaranteed the accuracy of warning, and the flow direction of one-way pressure valve is for flowing to external operating environment from in the early warning gasbag 21.

In the invention, the protective box 1 is fixedly connected with a vacuum packaging machine, the air channel pipe 4 on the air nozzle body 2 is communicated with the vacuum packaging machine, the suction nozzle 3 is contacted with an object to be processed with vacuum, when the suction is not smooth in an unexpected situation, the pressure difference between the inside and the outside of the air channel pipe 4 is further increased, for the air channel pipe 4 of the upper part, the pressure is transmitted to the pressure transmission device 15 by the transmission rod 16, the opposite sides of the two pressure transmission devices 15 are meshed and connected, the primary buffering treatment can be carried out on the transmitted pressure, partial impulsive force is reduced, the impact force is further weakened by the fixed connection of the pressure transmission device 15 and the impulsive force compensation device 14, so that the pressure difference between the inside and the outside of the air channel pipe 4 of the upper part is maintained in a constant safety range, for the air channel pipe 4 of the lower part, because the arc-shaped transmission block 8 is fixedly connected with the lower part of the air channel, when the pressure difference between the inside and the outside of the air channel pipe 4 exceeds a normal range, because the inner wall at the left side of the early warning cylinder 17 is communicated with the inner wall of the air channel pipe 4 through the conduit 18, the detail is shown in figure 5, namely the space at the left side of the stabilizing block 20 in the early warning cylinder 17 is communicated with the inner wall of the air channel pipe 4 to form a communicated space, when the pressure difference between the inside and the outside of the air channel pipe 4 is in the normal range, the stabilizing block 20 slides to the left in the early warning cylinder 17 and extrudes two constant force springs 19, and early warning gasbag 21 at this moment still keeps invariable state, when the pressure differential inside and outside the gas channel pipe 4 exceeded normal range, constant force spring 19 at this moment drove dimension steady piece 20 extrusion early warning gasbag 21 for the bright-colored warning gas of the colour of filling in early warning gasbag 21 discharges through the check pressure valve in early warning pipe 22, reminds operating personnel to carry out timely maintenance and treatment, reduces the loss that external air cock is bigger, and then has guaranteed the qualification rate to product vacuum packaging.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides an external air cock for vacuum packaging machine, is including connecting protective housing (1) on vacuum packaging machine and setting up air cock body (2) in protective housing (1), its characterized in that, air cock body (2) comprises suction nozzle (3) and gas channel pipe (4), the bottom fixed mounting of protective housing (1) has locking subassembly, be equipped with protection seat (5) in protective housing (1), protection seat (5) welds with locking subassembly's one end mutually, be equipped with same first protection component on the lower tip of protection seat (5) and the lower tip of gas channel pipe (4), be equipped with same second protection component on the upper end part of protection seat (5) and the upper end part of gas channel pipe (4), be equipped with the early warning subassembly on the front end lateral wall of gas channel pipe (4).

2. An external air tap for vacuum packaging machine according to claim 1, characterized in that the suction nozzle (3) is inserted into the top surface of the protective box (1), the suction nozzle (3) is connected to the air channel tube (4), and the output end of the air channel tube (4) is connected to the vacuum packaging machine.

3. The external air tap for the vacuum packaging machine is characterized in that the locking assembly comprises a explosion-proof plate (6) fixedly installed at the bottom of the protective box (1), locking blocks (7) are embedded at the left side and the right side of the explosion-proof plate (6), and the upper ends of the locking blocks (7) are welded with the bottom of the protective seat (5).

4. The external air faucet for the vacuum packaging machine according to claim 1, wherein the first protection assembly comprises an arc-shaped transmission block (8) fixedly connected with the lower end portion of the air channel pipe (4), the lower end portion of the protection seat (5) is provided with a plurality of internal tooth sockets (9), the left end and the right end of the arc-shaped transmission block (8) are provided with clamping teeth (10), and the clamping teeth (10) on the same side are meshed with the internal tooth sockets (9).

5. An external air tap for a vacuum packaging machine according to claim 4, characterized in that a plurality of shock absorption cavities (11) are arranged in the arc-shaped transmission block (8) in an array manner, and a damping shock absorber (12) is fixedly arranged in each shock absorption cavity (11).

6. An external air faucet for a vacuum packaging machine according to claim 1, wherein the second protection component comprises an operation slot (13) disposed at the upper end portion of the protection seat (5), impact compensation devices (14) are welded on the opposite side walls of the operation slot (13), two pressure conduction devices (15) are fixedly mounted on the opposite sides of the impact compensation devices (14), two opposite sides of the pressure conduction devices (15) are engaged, a conduction rod (16) is fixedly mounted on the outer side wall of the front end of the upper end portion of the air channel tube (4), and two pressure conduction devices (15) are sleeved on the conduction rod (16).

7. The external air faucet for the vacuum packaging machine is characterized in that the early warning assembly comprises an early warning barrel (17) fixedly mounted on the outer side wall of the front end of the air channel pipe (4), the early warning barrel (17) is communicated with the inner side wall of the air channel pipe (4) through a guide pipe (18), two constant force springs (19) are fixedly mounted on the inner wall of the left side of the early warning barrel (17), the other ends of the two constant force springs (19) are fixedly connected with a same stabilizing block (20), the upper end and the lower end of the stabilizing block (20) are connected with the upper inner side wall and the lower inner side wall of the air channel pipe (4) in a sliding and sealing manner, a same early warning air bag (21) is arranged between the right side wall of the stabilizing block (20) and the right side inner wall of the early warning barrel (17), the early warning air bag (21) is filled with warning gas with bright colors, and the early warning pipe (22) is communicated with the early warning, and a one-way pressure valve is fixedly arranged in the air outlet end of the early warning pipe (22).