CN214425149U

CN214425149U - Rotary air release valve and table type vacuum box

Info

Publication number: CN214425149U
Application number: CN202022090638.2U
Authority: CN
Inventors: 谢水旺; 鄢昌希
Original assignee: ZHONGSHAN CAVALLO ELECTRICAL APPLIANCES CO Ltd
Current assignee: ZHONGSHAN CAVALLO ELECTRICAL APPLIANCES CO Ltd
Priority date: 2020-09-22
Filing date: 2020-09-22
Publication date: 2021-10-19
Anticipated expiration: 2030-09-22

Abstract

The utility model relates to a rotatory bleed valve and desk-top vacuum chamber, this rotatory bleed valve include install the bleed disk seat on vacuum apparatus with install knob on the bleed disk seat, the bleed disk seat has an gassing of stretching out outwards to chew, the circumference lateral wall that the gassing was chewed has first gas release hole, the knob is rotationally installed on the outer end that the gassing was chewed to chew airtight connection with the gassing, simultaneously the circumference lateral wall of knob has the second gas release hole, when the knob rotates repeatedly, first gas release hole overlaps or staggers with the second gas release hole, realizes the exhaust of rotatory bleed valve and closes switching control, can carry out gassing control to vacuum apparatus, and easy operation, convenience, swift, this rotatory bleed valve simple structure moreover, the production and processing is easy, with low costs, is favorable to mass production and popularization and application.

Description

Rotary air release valve and table type vacuum box

Technical Field

The utility model belongs to the technical field of vacuum storage equipment, in particular to rotary bleed valve and desk-top vacuum box.

Background

Currently, the vacuum apparatuses currently on the market are all provided with air release valves, but the applicant has found that: most of the air release valves of the existing vacuum equipment are controlled by electronic valves, so that the power consumption is obviously increased, and the electronic valves are relatively complex in structure, high in cost, poor in stability after long-time use and unreliable.

SUMMERY OF THE UTILITY MODEL

For solving the above-mentioned problem that exists among the prior art, the utility model provides an accessible rotates the knob and carries out gassing control to vacuum apparatus, easy operation, convenience, swift, and simple structure, and the production and processing is easy, with low costs, is favorable to mass production and the rotatory bleed valve of popularization and application.

In order to solve the technical problem, the utility model adopts the following technical scheme:

the utility model provides a rotary deflation valve, is including installing the bleed valve seat on vacuum apparatus and installing knob on the bleed valve seat, the bleed valve seat has an gassing of stretching out outwards and chews, the circumference lateral wall that the gassing was chewed has first gassing hole, the knob is rotationally installed on the outer end that the gassing was chewed to chew airtight connection with the gassing, simultaneously the circumference lateral wall of knob has the second gassing hole, when the knob rotates repeatedly, first gassing hole overlaps or staggers with the second gassing hole, realizes rotary deflation valve's exhaust and closes switching control.

Further, a sealing rubber piece is arranged between the knob and the air release nozzle, and the sealing rubber piece is provided with a third air release hole; when the knob rotates repeatedly, the first vent hole, the second vent hole and the third vent hole are overlapped to realize the exhaust control of the rotary vent valve, the second vent hole is staggered with the first vent hole and the third vent hole, meanwhile, the first vent hole and the third vent hole are overlapped, or the first vent hole is staggered with the second vent hole and the third vent hole, meanwhile, the second vent hole and the third vent hole are overlapped to realize the closing control of the rotary vent valve.

Furthermore, the sealing rubber part is a rubber cap or a rubber sleeve, the sealing rubber part is fixedly sleeved on the outer end of the air bleeding nozzle, the third air bleeding hole is overlapped with the first air bleeding hole, and the knob is rotatably and hermetically connected with the outer surface of the sealing rubber part; the knob is repeatedly rotated, if the second vent hole is overlapped with the first vent hole and the third vent hole, the exhaust control of the rotary vent valve is realized, and if the second vent hole is staggered with the first vent hole and the third vent hole, the closing control of the rotary vent valve is realized;

or the sealing rubber piece is connected and fixed with the knob in an airtight manner, the third air vent is overlapped with the second air vent, the sealing rubber piece is rotatably sleeved on the outer end of the air release nozzle, and the sealing rubber piece is connected with the outer surface of the air release nozzle in an airtight manner; the knob is repeatedly rotated, if the first vent hole is overlapped with the second vent hole and the third vent hole, the exhaust control of the rotary vent valve is realized, and if the first vent hole is staggered with the second vent hole and the third vent hole, the closing control of the rotary vent valve is realized.

Further, the sealing rubber piece is a silica gel cap or a silica gel sleeve.

Furthermore, the outward side surface of the air release valve seat is provided with a rotary limiting groove, the inner end of the knob is provided with a rotary clamping pin, and the rotary clamping pin is movably clamped in the rotary limiting groove and moves back and forth in the rotary limiting groove along with the knob which rotates repeatedly.

Furthermore, the inner of knob is equipped with two rotatory cards foot at least, rotatory cards foot is annular array and distributes, the disk seat that outgases outwards side surface is equipped with two convex rotatory spacing grooves at least, rotatory spacing groove is annular array and distributes around the mouth of outgasing, moreover rotatory cards foot is blocked in rotatory spacing groove one to one.

Further, the air relief valve seat comprises a valve seat main body and a fixing piece, and the valve seat main body is provided with the air relief nozzle; the fixing piece is an annular fixing pressing piece, and a rotation limiting hole is formed in the fixing piece; the air release valve comprises a valve seat main body, a fixing piece, an air release nozzle, a rotary limiting groove and a vacuum equipment mounting groove, wherein the valve seat main body and the fixing piece are assembled and fixed together, the air release nozzle penetrates through an inner hole of the fixing piece, the valve seat main body, the fixing piece and the rotary limiting hole jointly form the rotary limiting groove, and the valve seat main body and the fixing piece form the annular vacuum equipment mounting groove on the periphery of the air release valve seat.

Further, a sealing ring is arranged inside the vacuum equipment installation groove.

Furthermore, the rotary air release valve is a handle arranged on a sealing cover of the vacuum equipment and is mushroom-shaped, the air release valve seat is fixed on the sealing cover, and the knob is used as a grabbing part of the handle and is rotatably connected to an air release nozzle of the air release valve seat.

The utility model also provides a desk-top vacuum chamber, including vacuum chamber and sealed lid to and foretell rotary bleed valve, rotary bleed valve installs on vacuum chamber or sealed lid.

The utility model discloses mainly have following beneficial effect:

the above technical scheme, the utility model, can carry out gassing control to vacuum apparatus, easy operation, convenience, swift, this rotation bleed valve simple structure moreover, the production and processing is easy, with low costs, is favorable to mass production and popularization and application.

Drawings

FIG. 1 is a schematic cross-sectional view of an embodiment of a rotary bleed valve according to the present invention in a bleed state;

FIG. 2 is a schematic cross-sectional view of an embodiment of a rotary purge valve according to the present invention in a closed state;

fig. 3 is a schematic cross-sectional structure diagram of an embodiment of a rotary air release valve installed on a table type vacuum equipment.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention.

As shown in fig. 1 and 2:

a rotatory bleed valve, including installing bleed valve seat 1 on vacuum apparatus and installing knob 2 on the bleed valve seat 1, bleed valve seat 1 has an gassing of stretching out outwards and chews 11, the circumference lateral wall that 11 was chewed in the gassing has first bleed hole 12, knob 2 rotationally installs on the outer end that 11 was chewed in the gassing to chew 11 airtight connection with the gassing, simultaneously the circumference lateral wall of knob 2 has second bleed hole 21, when knob 2 rotates repeatedly, first bleed hole 12 overlaps or staggers with second bleed hole 21, realizes the exhaust of rotatory bleed valve and closes switching control.

Wherein, the deflation valve seat 1 is provided with an outward extending deflation nozzle 11, and the deflation nozzle 11 and the deflation valve seat 1 are integrated (for example, the deflation nozzle 11 and the deflation valve seat 1 are integrally injection molded); the surface of one outward side of the air release valve seat 1 is provided with a rotary limiting groove 13, the inner end of the knob 2 is provided with a rotary clamping pin 22, the section of the rotary clamping pin 22 is in an inverted buckle shape and is integrated with the knob 2 (for example, the rotary clamping pin 22 and the knob 2 are integrally injection-molded), and the rotary clamping pin 22 is movably clamped in the rotary limiting groove 13 during assembly and moves back and forth in the rotary limiting groove 13 along with the knob 2 which rotates repeatedly; preferably, the inner end of the knob 2 is at least provided with two rotary clamping feet 22, the rotary clamping feet 22 are distributed in an annular array, the surface of one outward side of the deflation valve seat 1 is at least provided with two circular arc-shaped rotary limiting grooves 13, the rotary limiting grooves 13 are distributed around the deflation nozzle 11 in an annular array, and the rotary clamping feet 22 are clamped in the rotary limiting grooves 13 one by one, so that the knob 2 rotates more stably and the connection with the deflation valve seat 1 is more reliable; the concrete structure can be as follows: the deflation valve seat 1 comprises a valve seat main body 14 and a fixing piece 15, wherein the valve seat main body 14 is provided with the deflation nozzle 11; the fixed sheet 15 is an annular fixed pressing sheet, and a rotation limiting hole 16 is formed in the fixed sheet; the valve seat main body 14 and the fixing plate 15 are assembled and fixed together, the deflation nozzle 11 penetrates through an annular inner hole 17 of the fixing plate 15, the valve seat main body 14, the fixing plate 15 and the rotation limiting hole 16 jointly form the rotation limiting groove 13, and the valve seat main body 14 and the fixing plate 15 form an annular vacuum equipment installation groove 18 on the peripheral side of the deflation valve seat 1; wherein a sealant 3 is arranged between the knob 2 and the air release nozzle 11, and the sealant 3 is provided with a third air release hole 31.

When the knob 2 of the rotary deflation valve of the utility model rotates repeatedly, the first deflation hole 12, the second deflation hole 21 and the third deflation hole 31 are overlapped to realize the exhaust control of the rotary deflation valve, the second deflation hole 21 is staggered with the first deflation hole 12 and the third deflation hole 31, meanwhile, the first deflation hole 12 and the third deflation hole 31 are overlapped, or the first deflation hole 12 is staggered with the second deflation hole 21 and the third deflation hole 31, meanwhile, the second deflation hole 21 and the third deflation hole 31 are overlapped to realize the closing control of the rotary deflation valve; the specific structure can be that the sealing rubber member 3 is a rubber cap or a rubber sleeve (for example, the sealing rubber member can be a silica gel cap or a silica gel sleeve), and is fixedly sleeved on the outer end of the deflation nozzle 11, the knob 2, the sealing rubber member 3 and the deflation nozzle 11 are coaxial, the third deflation hole 31 is overlapped with the first deflation hole 12, and the knob 2 is rotatably and airtightly connected with the outer surface of the sealing rubber member 3; the knob 2 is repeatedly rotated, if the second vent hole 21 overlaps the first vent hole 12 and the third vent hole 31, the exhaust control of the rotary vent valve is realized, and if the second vent hole 21 is staggered with the first vent hole 12 and the third vent hole 31, the closing control of the rotary vent valve is realized.

Therefore, will rotatory bleed valve is installed and can be bled vacuum apparatus on vacuum apparatus, easy operation, convenience, swift, and rotatory bleed valve simple structure moreover, the production and processing is easy, with low costs, is favorable to mass production and popularization and application.

Certainly, the sealing rubber member 3 of the rotary deflation valve of the present invention can also be connected and fixed with the knob 2 in an airtight manner, and the third deflation hole 31 is overlapped with the second deflation hole 21, the sealing rubber member 3 can be rotatably sleeved on the outer end of the deflation nozzle 11, and the sealing rubber member 3 is connected with the outer surface of the deflation nozzle 11 in an airtight manner; the knob 2 is repeatedly rotated, if the first vent hole 12 overlaps with the second vent hole 21 and the third vent hole 31, the exhaust control of the rotary vent valve is realized, and if the first vent hole 12 is staggered with the second vent hole 21 and the third vent hole 31, the closing control of the rotary vent valve is realized. And a sealing ring 19 is arranged in the vacuum equipment mounting groove 18, and the sealing ring 19 is tightly connected with the vacuum equipment when the rotary air release valve is mounted on the vacuum equipment.

As shown in fig. 3, the present invention further provides a table type vacuum box, which comprises a vacuum box (not shown in the figure), a sealing cover 4, and the above-mentioned rotary air release valve, wherein the rotary air release valve is installed on the sealing cover 4, the sealing cover 4 can be a glass cover plate, and part of the sealing cover 4 is tightly clamped in the vacuum equipment installation groove 18, and the sealing ring 19 is tightly connected with the sealing cover 4; of course, the rotary air release valve can also be arranged on the vacuum box.

Furthermore, rotatory bleed valve can be the handle of installing at vacuum apparatus's sealed lid, is mushroom-shaped, bleed valve seat 1 is fixed on sealed lid 4, knob 2 rotationally connects as the portion of snatching of handle on 11 is chewed in the gassing of bleed valve seat 1. Like this, this rotatory bleed valve function is the application of sample ization more, both can simplify vacuum apparatus's structure, makes vacuum apparatus outward appearance cleaner and tidier, can save again and set up the handle expense, and product cost can further reduce, and market competition is stronger.

The foregoing is a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the present invention, and these improvements and decorations are also considered as the protection scope of the present invention.

Claims

1. A rotary bleed valve, characterized in that: including installing bleed disk seat (1) on vacuum apparatus and installing knob (2) on the bleed disk seat (1), bleed disk seat (1) has that an outside goes out the gassing of stretching out and chews (11), the circumference lateral wall that the gassing was chewed (11) has first gassing hole (12), knob (2) are rotationally installed on the outer end that the gassing was chewed (11) to chew (11) airtight connection with the gassing, simultaneously the circumference lateral wall of knob (2) has second gassing hole (21), when knob (2) rotate repeatedly, first gassing hole (12) overlap or stagger with second gassing hole (21), realize the exhaust of rotatory bleed valve and close switching control.

2. The rotary purge valve according to claim 1, wherein: a sealing rubber piece (3) is arranged between the knob (2) and the air release nozzle (11), and the sealing rubber piece (3) is provided with a third air release hole (31); when the knob (2) rotates repeatedly, the first vent hole (12), the second vent hole (21) and the third vent hole (31) are overlapped to realize the exhaust control of the rotary vent valve, the second vent hole (21) is staggered with the first vent hole (12) and the third vent hole (31), meanwhile, the first vent hole (12) and the third vent hole (31) are kept overlapped, or the first vent hole (12) is staggered with the second vent hole (21) and the third vent hole (31), meanwhile, the second vent hole (21) and the third vent hole (31) are kept overlapped to realize the closing control of the rotary vent valve.

3. A rotary purge valve according to claim 2, wherein: the sealing rubber piece (3) is a rubber cap or a rubber sleeve and fixedly sleeved on the outer end of the air release nozzle (11), the third air release hole (31) is overlapped with the first air release hole (12), and the knob (2) is rotatably and airtightly connected with the outer surface of the sealing rubber piece (3); the knob (2) is repeatedly rotated, if the second vent hole (21) is overlapped with the first vent hole (12) and the third vent hole (31), the exhaust control of the rotary vent valve is realized, and if the second vent hole (21) is staggered with the first vent hole (12) and the third vent hole (31), the closing control of the rotary vent valve is realized;

or the sealing rubber piece (3) is connected and fixed with the knob (2) in an airtight manner, the third air vent (31) is overlapped with the second air vent (21), the sealing rubber piece (3) is rotatably sleeved on the outer end of the air vent nozzle (11), and the sealing rubber piece (3) is connected with the outer surface of the air vent nozzle (11) in an airtight manner; the knob (2) is repeatedly rotated, if the first vent hole (12) is overlapped with the second vent hole (21) and the third vent hole (31), the exhaust control of the rotary vent valve is realized, and if the first vent hole (12) is staggered with the second vent hole (21) and the third vent hole (31), the closing control of the rotary vent valve is realized.

4. A rotary purge valve according to claim 3, wherein: the sealing rubber piece (3) is a silica gel cap or a silica gel sleeve.

5. A rotary purge valve according to claim 1 or 2 or 3 or 4, wherein: the rotary limiting groove (13) is formed in the surface of one outward side of the air release valve seat (1), the inner end of the knob (2) is provided with a rotary clamping pin (22), and the rotary clamping pin (22) is movably clamped in the rotary limiting groove (13) and moves back and forth in the rotary limiting groove (13) along with the knob (2) which rotates repeatedly.

6. A rotary purge valve according to claim 5, characterized in that: the inner of knob (2) is equipped with two rotatory card feet (22) at least, rotatory card foot (22) are annular array and distribute, the outside lateral surface of gassing disk seat (1) is equipped with two convex rotatory spacing grooves (13) at least, rotatory spacing groove (13) are annular array and distribute around gassing is chewed (11), moreover rotatory card foot (22) are blocked in rotatory spacing groove (13) one to one.

7. A rotary purge valve according to claim 6, wherein: the deflation valve seat (1) comprises a valve seat main body (14) and a fixing piece (15), wherein the valve seat main body (14) is provided with the deflation nozzle (11); the fixed piece (15) is an annular fixed pressing piece, and a rotation limiting hole (16) is formed in the fixed piece; the air release valve is characterized in that the valve seat main body (14) and the fixing piece (15) are assembled and fixed together, the air release nozzle (11) penetrates through an inner ring hole (17) of the fixing piece (15), the valve seat main body (14), the fixing piece (15) and the rotation limiting hole (16) jointly form the rotation limiting groove (13), and the valve seat main body (14) and the fixing piece (15) form an annular vacuum equipment installation groove (18) on the peripheral side of the air release valve seat (1).

8. The rotary purge valve according to claim 7, wherein: and a sealing ring (19) is arranged in the vacuum equipment mounting groove (18).

9. A rotary purge valve according to claim 1, 2, 3, 4, 6, 7 or 8, wherein: the rotary air release valve is a handle arranged on a sealing cover of the vacuum equipment and is mushroom-shaped, the air release valve seat (1) is fixed on the sealing cover, and the knob (2) is used as a grabbing part of the handle and is rotatably connected to an air release nozzle (11) of the air release valve seat (1).

10. A desk-top vacuum box which is characterized in that: comprising a vacuum box and a sealing cover (4), and a rotary purge valve according to any of claims 1-9, mounted on the vacuum box or the sealing cover (4).