CN217401087U

CN217401087U - Mechanical knob type pressure relief electric vacuum pumping device

Info

Publication number: CN217401087U
Application number: CN202220501843.XU
Authority: CN
Inventors: 杨艳琼
Original assignee: Individual
Current assignee: Individual
Priority date: 2022-03-08
Filing date: 2022-03-08
Publication date: 2022-09-09
Anticipated expiration: 2032-03-08

Abstract

The utility model discloses an electronic evacuating device of machinery knob formula pressure release, including the evacuation mechanism of mountable on the container, evacuation mechanism includes upper cover and lower cover, department installs knob formula pressure release switch in the middle of the top of upper cover, knob formula pressure release switch includes the pressure release knob, pressure release knob cavity, and install vacuum state show spherical silica gel in the middle of the top, the outside of pressure release knob is equipped with reset spring, the protruding piece of wave is installed on the outer wall upper portion of pressure release knob, circular feeler lever is installed in the bottom outside of pressure release knob, the middle part of upper cover is close to protruding piece department of wave and has seted up the protruding recess of wave, protruding piece of wave and the protruding recess looks adaptation of wave. This electronic evacuating device's of machinery knob formula pressure release switch not only makes relevant classification product pressure release uncap and reset sealed more convenient, can accomplish zero trouble moreover, can not appear the pressure release or seal failure condition, leads to the condition of uncapping of can not vacuum or vacuum state can not the pressure release.

Description

Mechanical knob type pressure relief electric vacuum pumping device

Technical Field

The utility model relates to an evacuation equipment technical field, specifically speaking relates to an electronic evacuating device of machinery knob formula pressure release.

Background

At present, electric vacuum pumping products are uneven and not perfect in functional effect, the pressure relief uncovering and the resetting sealing are not convenient enough, and faults are easily caused in the using process, so that the situation that the pressure relief or the sealing is failed occurs, and the situation that the vacuum or the vacuum state cannot be relieved and uncovering is caused occurs.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electronic evacuating device of machinery knob formula pressure release to solve the problem that proposes among the above-mentioned background art.

In order to realize the purpose, the utility model provides a mechanical knob type pressure relief electric vacuum pumping device, which comprises a vacuum pumping mechanism which can be arranged on a container, the vacuum pumping mechanism comprises an upper cover and a lower cover, a knob type pressure relief switch is arranged in the middle of the top of the upper cover and comprises a pressure relief knob, the pressure relief knob is hollow, and the middle of the top is provided with a vacuum state display spherical silica gel, the outer side of the pressure relief knob is sleeved with a return spring, the upper part of the outer wall of the pressure relief knob is provided with a wave convex block, the outer side of the bottom of the pressure relief knob is provided with a round feeler lever, the middle part of the upper cover is provided with a wave convex groove near the wave convex block, the wave convex block is matched with the wave convex groove, the pressure relief knob is sleeved on an air channel of the lower cover corresponding to the connecting container, and pressure relief sealing silica gel is arranged at the top end of a channel opening of the air channel and is in butt joint with the pressure relief knob.

Preferably, a charging port is formed in the outer wall of one side of the vacuumizing mechanism.

Preferably, the inner side of the lower cover is provided with a first micro switch at the bottom end of the circular feeler lever, and the circular feeler lever is in touch linkage with the first micro switch.

As preferred, lithium cell and aspiration pump are still installed to the inside of lower cover, the one end of aspiration pump is connected with the silicone tube of bleeding, vacuum negative pressure inductive switch is still installed to the inside of lower cover, vacuum negative pressure inductive switch's one end is connected with negative pressure inductive silicone tube, vacuum negative pressure inductive switch comprises support, silica gel cap, spring, second micro-gap switch, the spring mounting is on the support, the silica gel cap cover is established outside the spring, the top of silica gel cap and the second micro-gap switch touching linkage on the support, the other end of support passes through the opening of silicone tube with the lower cover and is connected.

Preferably, the surface of the upper cover is provided with an exhaust port, one end of the air pump exhausts air through the air exhaust silicone tube, the other end of the air pump is provided with the air exhaust silicone tube, and the outer end of the air exhaust silicone tube is connected with the exhaust port of the upper cover.

Preferably, the bottom of the lower cover is provided with an opening, three holes are formed in the opening, one hole is connected with the bottom end of the air exhaust silicone tube, the second hole is connected with the bottom end of the negative pressure induction silicone tube, the third hole is connected with the bottom of the pressure release knob, dustproof silica gel is installed on the outer side of the opening, and a plurality of through holes are formed in the surface of the dustproof silica gel.

Preferably, the top of the upper cover is also provided with a main switch and an indicator light, and the bottom of the main switch is provided with a circuit board.

Preferably, the vacuum mechanism is screw-mounted to the other container by a screw structure.

Preferably, the outer wall of the lower cover is provided with a hidden buckle.

Preferably, the outer side wall of the lower cover is provided with a sealing silica gel ring, and the bottom of the inner side of the lower cover, which is close to the air exhaust silica gel tube, is provided with one-way sealing silica gel.

Compared with the prior art, the beneficial effects of the utility model are that:

in the mechanical knob type pressure relief electric vacuum pumping device, the knob type pressure relief switch is arranged, so that the related products in the category are more convenient to relieve pressure, open a cover and reset and seal, zero fault can be realized, the condition of pressure relief or sealing failure can not occur, and the condition of vacuum or vacuum state that the pressure can not be relieved and the cover can not be opened can be caused.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the vacuum pumping mechanism of the present invention;

FIG. 3 is a schematic bottom structure view of the middle and lower covers of the present invention;

FIG. 4 is a schematic view of the combination of the rotary knob type pressure relief switch and the upper cover of the present invention;

FIG. 5 is a schematic structural view of the middle and lower covers of the present invention;

fig. 6 is a schematic structural view of the vacuum negative pressure inductive switch of the present invention.

The various reference numbers in the figures mean:

3. a vacuum pumping mechanism; 31. an upper cover; 311. a main switch; 312. an indicator light; 313. a circuit board; 314. a wave convex groove; 315. an exhaust port; 32. a lower cover; 321. invisible buckles are arranged; 322. a first microswitch; 323. a lithium battery; 324. An air pump; 3241. a suction silicone tube; 3242. an exhaust silicone tube; 325. a vacuum negative pressure inductive switch; 3251. a negative pressure induction silicone tube; 3252. a silica gel cap; 3253. a spring; 3254. a second microswitch; 3255. a support; 326. dustproof silica gel; 327. an opening; 328. sealing the silica gel ring; 329. one-way sealing silica gel; 33. a knob type pressure relief switch; 331. A pressure relief knob; 332. displaying the spherical silica gel in a vacuum state; 333. a return spring; 334. a wave bulge block; 335. decompression sealing silica gel; 336. a circular feeler lever; 337. an air passage; 4. a charging port.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

Example 1

The utility model provides a mechanical knob type pressure relief electric vacuum pumping device, as shown in figures 1-6, comprising a vacuum pumping mechanism 3 which can be installed on a container, but the related products of the category are more convenient for pressure relief, cover opening, and sealing, and zero fault can be realized, the failure of pressure relief or sealing can not occur, which can result in the condition that vacuum or vacuum state can not be relieved, the vacuum pumping mechanism 3 comprises an upper cover 31 and a lower cover 32, a knob type pressure relief switch 33 is installed in the middle of the top of the upper cover 31, the knob type pressure relief switch 33 comprises a pressure relief knob 331, the pressure relief knob 331 is hollow, a vacuum state display spherical silica gel 332 is installed in the middle of the top, deformation can be generated along with the vacuum state, thereby the display of the vacuum state is carried out, a reset spring 333 is sleeved on the outer side of the pressure relief knob 331, a wave bulge block 334 is installed on the upper part of the outer wall of the pressure relief knob 331, circular feeler lever 336 is installed in the bottom outside of pressure release knob 331, and the protruding recess 314 of wave has been seted up to the middle part of upper cover 31 near protruding piece 334 department of wave, protruding piece 334 of wave and the protruding recess 314 looks adaptation of wave, and pressure release knob 331 overlaps on the air channel 337 of lower cover 32 correspondence connection container, and there is pressure release sealing silica gel 335 and the butt joint of pressure release knob 331 the passageway mouth top of air channel 337.

In this embodiment, one side outer wall of evacuation mechanism 3 is provided with charging mouth 4, conveniently charges.

Specifically, a first micro switch 332 is mounted at the bottom end of a circular contact rod 336 on the inner side of the lower cover 32, the circular contact rod 336 is in contact linkage with the first micro switch 332, the circular contact rod 336 can be lifted or reset when the pressure relief knob 331 rotates through the matching of a wave protrusion 334 and a wave protrusion groove 314, the circular contact rod 336 is in contact with the first micro switch 332 of the lower cover 32, and a switch is disconnected or connected along with the lifting of the pressure relief knob 331; when the pressure relief knob 331 rotates, the pressure relief knob 331 can be lifted or reset, and simultaneously, the pressure relief knob 331 and the lower cover 32 are correspondingly connected with the pressure relief sealing silica gel 335 at the top end of the air channel 337 of the container to be separated or closed, air enters the container to be opened when pressure relief is separated, and air is sealed when the container is closed to prevent air from entering.

Further, a lithium battery 323 and an air pump 324 are further mounted inside the lower cover 32, one end of the air pump 324 is connected with an air pumping silicone tube 3241, a vacuum negative pressure inductive switch 325 is further mounted inside the lower cover 32, one end of the vacuum negative pressure inductive switch 325 is connected with a negative pressure inductive silicone tube 3251, the vacuum negative pressure inductive switch 325 is composed of a support 3255, a silicone cap 3252, a spring 3253 and a second micro switch 3254, the spring 3253 is mounted on the support 3255, the silicone cap 3252 is sleeved outside the spring 3253, the top end of the silicone cap 3252 is in touch linkage with the second micro switch 3254 on the support 3255, and the other end of the support 3255 is connected with an opening 327 of the lower cover 32 through the silicone tube; when the air pump 324 works and the negative pressure value in the container is increased, the silica gel cap 325 can compress the spring 3253 to be sunken downwards, when a set value is reached, the second microswitch 3254 can be automatically disconnected to stop working, when the pressure is relieved or leakage occurs, the spring 3253 can jack the silica gel cap 325 to reset, when the set value is reached, the second microswitch 3254 can be touched to be closed, the operation is automatically started, and the circulation is realized.

Furthermore, an air outlet 315 is formed in the surface of the upper cover 31, one end of the air pump 324 exhausts air through an air exhaust silicone tube 3241, an air exhaust silicone tube 3242 is installed at the other end of the air pump, the outer end of the air exhaust silicone tube 3242 is connected with the air outlet 315 of the upper cover 31, and when air is extracted, air is directly exhausted to the outside of the upper cover 31, so that the design that air is exhausted inside the upper cover 31 at present is changed, and therefore, peculiar smell generated by long-term air exhaust can be avoided, and faults can be reduced.

Further, an opening 327 is formed in the bottom of the lower cover 32, three holes are formed in the opening 327, one hole is connected with the bottom end of the air exhaust silicone tube 3241 and used for air exhaust, the second hole is connected with the bottom end of the negative pressure induction silicone tube 3251 and used for detecting the negative pressure state in the container, and the third hole is connected with the bottom of the pressure relief knob 331 and used for pressure relief.

Furthermore, dustproof silica gel 326 is installed on the outside of opening 327, and a plurality of through-holes have been seted up on dustproof silica gel 326's surface, play fine dustproof effect.

Further, a main switch 311 and an indicator light 312 are further mounted on the top of the upper cover 31, a circuit board 313 is mounted on the bottom of the main switch 311, and the circuit board 313 is connected with the main switch 311 and the indicator light 312 through a circuit for displaying a power switch and the indicator light.

Example 2

In order to further facilitate the installation and the removal of the vacuum mechanism 3, on the basis of embodiment 1, the vacuum mechanism 3 can be screwed and installed on other containers through a threaded structure, so as to facilitate the installation and the removal of the vacuum mechanism 3.

Furthermore, the invisible buckle 321 is installed on the outer wall of the lower cover 32, so that the vacuum-pumping vacuum container can be used for vacuum-pumping independently, and can also be used in combination with other container covers of different sizes in a butt joint mode, and the vacuum-pumping vacuum container is convenient to disassemble and clean.

Furthermore, a sealing silica gel ring 328 is installed on the outer side wall of the lower cover 32 to ensure the sealing effect when the lower cover 32 is installed, a one-way sealing silica gel 329 is arranged at the bottom end of the inner side of the lower cover 32 close to the air suction silica gel tube 3241, and air can be prevented from flowing back into the container when the air suction pump 324 stops working.

The utility model discloses a mechanical knob formula pressure release electric vacuum pumping device is when using, at first whether check knob formula pressure release switch 33 is in the reset state, then click main switch 311 and start, aspiration pump 324 begins work, extract the air through the air extraction silicone tube 3241 who connects the container, when the negative pressure reaches the setting value, vacuum negative pressure inductive switch 325 through negative pressure inductive silicone tube 3251 connection container can automatic disconnection, aspiration pump 324 stops working, get into standby state, one-way sealed silica gel 329 can seal the container hole this moment, prevent that the air from flowing back to the container through aspiration pump 324; when the negative pressure value in the container is lower than the set value again, the vacuum negative pressure induction switch 325 is automatically closed, the air pump 324 continues to work to pump vacuum, and the process is automatically circulated; when the container is in a non-vacuum state, the vacuum state display spherical silica gel 332 on the knob type pressure relief switch 33 is in a spherical bulge, when the container enters a vacuum state, the vacuum state display spherical silica gel 332 can be recessed towards the inner direction of the container, and people can clearly know the state in the container through the display silica gel;

when the top cover of the container needs to be opened, the pressure relief knob 331 is directly rotated without shutting down, the pressure relief knob 331 rises upwards and is separated from the pressure relief sealing silica gel 335 at the top end of the air channel opening, air can rapidly enter the container, meanwhile, the first microswitch 322 is switched off, and the air suction pump 324 stops working; when the top cover of the container is folded again, the rotary pressure relief knob 331 resets downwards and is closed with the pressure relief sealing silica gel 335 at the top end of the opening 337 of the air channel, and simultaneously the first microswitch 322 is closed, the air suction pump 324 starts to work, so that the pressure stops automatically, and the circulation is performed; when air in the container needs to be extracted by combining with other top covers, the device can be operated according to the independent extraction method only by aligning the device with the clamping button and lifting the clamping button.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only preferred examples of the present invention, and is not intended to limit the present invention, and that the present invention can have various changes and modifications without departing from the spirit and scope of the present invention, and these changes and modifications all fall into the scope of the claimed invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides an electronic evacuating device of machinery knob formula pressure release, includes evacuation mechanism (3) of mountable on the container, its characterized in that: the vacuumizing mechanism (3) comprises an upper cover (31) and a lower cover (32), a knob type pressure relief switch (33) is installed in the middle of the top of the upper cover (31), the knob type pressure relief switch (33) comprises a pressure relief knob (331), the pressure relief knob (331) is hollow, vacuum state display spherical silica gel (332) is installed in the middle of the top, a reset spring (333) is sleeved on the outer side of the pressure relief knob (331), a wave bulge block (334) is installed on the upper portion of the outer wall of the pressure relief knob (331), a circular touch rod (336) is installed on the outer side of the bottom of the pressure relief knob (331), a wave bulge groove (314) is formed in the middle of the upper cover (31) close to the wave bulge block (334), the wave bulge block (334) is matched with the wave bulge groove (314), and the pressure relief knob (331) is sleeved on an air channel (337) of the lower cover (32) corresponding to the connecting container, the top end of the channel opening of the air channel (337) is provided with a pressure relief sealing silica gel (335) which is butted with the pressure relief knob (331).

2. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: and a charging port (4) is arranged on the outer wall of one side of the vacuumizing mechanism (3).

3. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: the inner side of the lower cover (32) is provided with a first micro switch (322) at the bottom end of the circular feeler lever (336), and the circular feeler lever (336) is in touch linkage with the first micro switch (322).

4. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: lithium cell (323) and aspiration pump (324) are still installed to the inside of lower cover (32), the one end of aspiration pump (324) is connected with air exhaust silicone tube (3241), vacuum negative pressure inductive switch (325) is still installed to the inside of lower cover (32), the one end of vacuum negative pressure inductive switch (325) is connected with negative pressure induction silicone tube (3251), vacuum negative pressure inductive switch (325) comprises support (3255), silica gel cap (3252), spring (3253), second micro-gap switch (3254), spring (3253) is installed on support (3255), silica gel cap (3252) cover is established in spring (3253) outside, the top of silica gel cap (3252) and second micro-gap switch (3254) the touching linkage on support (3255), the other end of support (3255) passes through the silica gel tube and is connected with opening (327) of lower cover (32).

5. The mechanical knob type pressure relief electric vacuum extractor according to claim 4, wherein: the surface of upper cover (31) has seted up gas vent (315), the one end of aspiration pump (324) is bled through bleed silicone tube (3241), and exhaust silicone tube (3242) is installed to the other end, the outer end of exhaust silicone tube (3242) is connected with gas vent (315) of upper cover (31).

6. The mechanical knob type pressure relief electric vacuum extractor according to claim 5, wherein: opening (327) has been seted up to the bottom of lower cover (32), the inside of opening (327) is provided with three holes, and one of them hole is connected with the bottom of air bleed silicone tube (3241), and wherein the second hole is connected with the bottom of negative pressure response silicone tube (3251), and wherein the third hole is connected with the bottom of pressure release knob (331), dustproof silica gel (326) are installed to the outside of opening (327), a plurality of through-holes have been seted up on the surface of dustproof silica gel (326).

7. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: the top of the upper cover (31) is also provided with a main switch (311) and an indicator light (312), and the bottom of the main switch (311) is provided with a circuit board (313).

8. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: the vacuum-pumping mechanism (3) can be screwed on other containers through a thread structure.

9. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: the outer wall of the lower cover (32) is provided with an invisible buckle (321).

10. The mechanical knob type pressure relief electric vacuum extractor according to claim 1, wherein: sealing silica gel circle (328) is installed to the lateral wall of lower cover (32), the inboard bottom department that is close to air exhaust silicone tube (3241) of lower cover (32) is provided with one-way sealing silica gel (329).