CN210196568U - Vacuum bag bleeder valve - Google Patents
Vacuum bag bleeder valve Download PDFInfo
- Publication number
- CN210196568U CN210196568U CN201920883339.9U CN201920883339U CN210196568U CN 210196568 U CN210196568 U CN 210196568U CN 201920883339 U CN201920883339 U CN 201920883339U CN 210196568 U CN210196568 U CN 210196568U
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- air passage
- air
- valve
- vacuum bag
- plug
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Abstract
The utility model discloses a vacuum bag bleeder valve relates to bleeder valve technical field. The utility model comprises a valve seat and a valve cover; the valve seat is provided with an air inlet and a first air passage which are communicated, and the valve cover is provided with a second air passage communicated with the first air passage and an air outlet communicated with the second air passage; the size of the second air passage is larger than that of the first air passage; the outer wall of the first air passage is provided with an annular bulge extending towards the air outlet; the first air passage and the second air passage are communicated with each other to form an air passage, and a sealing plug is arranged in the air passage; the sealing plug comprises a plug body positioned in the first air passage and a plug head positioned in the second air passage, and the plug head is contacted with the annular bulge; there is the clearance between the inside wall of stopper body and first air flue, all has the clearance between the inside wall of chock plug and second air flue, and the chock plug is soft materials and makes. The utility model discloses the subassembly is few, simple structure, has good sealing performance.
Description
Technical Field
The utility model relates to an bleeder valve technical field, concretely relates to vacuum bag bleeder valve.
Background
Vacuum bags are often used to hold garments and have moisture, insect and clean properties. The vacuum bag bleeder valve usually comprises a valve seat and a valve cover which are movably connected, wherein the valve seat is provided with an air inlet, and the valve cover is provided with an air outlet. When the vacuum bag bleeder valve is used, the valve seat and the valve cover are firstly disassembled, the valve seat is placed into the bag opening of the vacuum bag, the valve seat is sealed with the bag opening through the sealing clamp, then the valve cover is connected with the valve seat, the vacuum pump is connected with the air outlet on the valve cover, and the vacuum pump is started to bleed air. The air in the vacuum bag enters the vacuum bag air exhaust valve from the air inlet and is then exhausted by the vacuum pump at the air outlet.
Chinese patent No. 200520060143.8 discloses an air extraction valve for vacuum bag, which mainly comprises a valve seat, a floating plug, an annular gasket, a valve cover and a pressing cock, wherein an air inlet cushion is arranged on the bottom surface of the valve seat, a circular cylinder hole is arranged on the valve seat, a middle air inlet hole is arranged in the circular cylinder hole, the floating plug is sleeved on the middle air inlet hole, the annular gasket is sleeved on the valve seat, the valve cover and the valve seat are fastened by a thread in the circular cylinder hole through the circular cylinder cover, the pressing cock is arranged on the valve cover, and the pressing cock is pressed on the floating plug. The structure of the air extraction valve with the structure is complex, the number of assemblies is large, and the sealing performance is general.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model aims to provide a vacuum bag bleeder valve. The utility model discloses the subassembly is few, simple structure, has good sealing performance.
The utility model relates to a vacuum bag bleeder valve, which comprises a valve seat and a valve cover; the valve seat is provided with an air inlet and a first air passage which are communicated, and the valve cover is provided with a second air passage communicated with the first air passage and an air outlet communicated with the second air passage; the size of the second air passage is larger than that of the first air passage; the outer wall of the first air passage is provided with an annular bulge extending towards the direction of the second air passage; the first air passage and the second air passage are communicated with each other to form an air passage, and a sealing plug is arranged in the air passage; the sealing plug comprises a plug body positioned in the first air passage and a plug head positioned in the second air passage, and the plug head is contacted with the annular bulge; a gap exists between the plug body and the inner side wall of the first air passage, gaps exist between the plug head and the inner side wall of the second air passage, and the plug head is made of soft materials.
Preferably, the first air passage and the second air passage are both cylindrical, the first air passage is arranged in the middle of the valve seat, the second air passage is arranged in the middle of the valve cover, and the first air passage and the second air passage are coaxially arranged.
Preferably, the air inlets are arranged at one end, far away from the valve cover, of the valve seat, the air inlets are arranged around the axis of the first air passage at equal intervals, a partition plate is arranged between every two adjacent air inlets, and the partition plate extends from the middle of the valve seat to the edge of the valve seat.
Preferably, one end of the valve seat close to the valve cover is provided with an installation groove, and one end of the valve cover is arranged in the installation groove.
Preferably, the mounting groove be cylindrical, the bottom surface of mounting groove is equipped with the seal groove that encircles the mounting groove axle center, the cross-section of seal groove be the V-arrangement, the valve gap be close to the terminal surface of mounting groove on be equipped with the sealing of seal groove looks adaptation, the sealing set up in the seal groove.
Preferably, the mounting groove is in snap fit with the valve cover.
Preferably, a protective shell is arranged outside the valve cover and the mounting groove, and the protective shell is in threaded connection with the mounting groove.
Preferably, a limiting part for limiting the sealing plug is arranged in the first air passage.
Preferably, the sealing plug is a rubber plug.
Preferably, the air outlet is a quick connector.
A vacuum bag bleeder valve, its advantage lies in:
1. the utility model discloses when using, take the one side of air inlet and the sack of vacuum bag to bond with the disk seat, make inside the air inlet gets into the vacuum bag, be connected vacuum pump and the gas outlet on the valve gap, start the vacuum pump, the vacuum pump begins to extract the air in the vacuum bag. Because of the action of the vacuum pump, suction is generated in the first air passage and the second air passage, so that the plug head edge of the sealing plug tilts towards the direction of the air outlet, the plug head edge of the sealing plug is separated from the annular bulge at the moment, and a gap is generated between the plug head edge and the annular bulge. The air in the vacuum bag flows from the side surface of the sealing plug to the air outlet through the gap and is pumped out by the vacuum pump. During the air extraction process, the vacuum pump can continuously generate suction force to continuously circulate the air in the first air passage and the second air passage. After the air in the vacuum bag is extracted, the vacuum pump is detached, the inside of the vacuum bag is close to a vacuum state, the air pressure outside the vacuum bag is far greater than the air pressure inside the vacuum bag, and the pressure difference between the air pressure and the air pressure is large. The pressure difference acts on the sealing plug through the air outlet, so that the tilting part of the plug head moves towards the annular bulge and is tightly attached to the annular bulge, the first air passage is closed at the moment, the vacuum bag does not have air circulation with the outside, and the sealing state is kept. The utility model discloses an inside and outside pressure differential of vacuum bag after extracting gas seals, because the inside and outside pressure differential of vacuum bag is very big and set up the annular arch, makes sealing plug and the protruding contact of annular inseparable, makes the utility model discloses a sealed respond well. The vacuum bag bleeder valve of the utility model realizes good sealing effect through less components, has simple structure and has good sealing effect.
2. The utility model discloses an air inlet of vacuum bag bleeder valve encircles a plurality ofly arranged at the equal interval in axle center of first air flue, makes the utility model discloses a vacuum bag bleeder valve is bled evenly, air exhaust speed is fast when bleeding in the vacuum bag. Set up the baffle between adjacent air inlet, prevent that the air current mutual interference of adjacent air inlet when bleeding from makes the utility model discloses a process of bleeding is stable quick.
3. The mounting groove is used for installing the valve cover, so that the valve cover and the mounting groove are connected stably and are convenient to assemble.
4. The mounting groove is cylindrical, and the bottom surface of mounting groove is equipped with the seal groove that encircles the mounting groove axle center, the cross-section of seal groove be the V-arrangement, the valve gap be close to the terminal surface of mounting groove on be equipped with the sealing of seal groove looks adaptation, the sealing set up in the seal groove. The structure of sealing portion and seal groove has increased the area of contact between mounting groove and the valve gap, has improved the leakproofness between the two, and then has improved the utility model discloses a vacuum bleeder's gas tightness.
5. The mounting groove is in snap fit with the valve cover. The connection between the two is stable and the assembly is easy.
6. The outside of valve gap and mounting groove is equipped with the protective housing, and the protective housing is used for protecting the gas outlet on the valve gap. Threaded connection between protective housing and the mounting groove, threaded connection is firm, easy dismounting.
7. And a limiting part for limiting the sealing plug is arranged in the first air passage. The limiting part is used for preventing the sealing plug from dislocation.
8. The rubber plug has good sealing effect and soft quality and can deform, so that the plug head is tightly contacted with the annular bulge.
9. The air outlet is a quick connector and can be quickly connected or separated with an interface of the vacuum pump, so that the purpose of convenient use is achieved.
Drawings
Fig. 1 is a perspective view of a vacuum bag bleeder valve according to the present invention;
FIG. 2 is a cross-sectional view of FIG. 1;
FIG. 3 is a schematic view of the protective case of FIG. 2 with the protective case removed;
FIG. 4 is a schematic diagram of the structure at position A in FIG. 3;
FIG. 5 is a schematic diagram of the structure at position B in FIG. 3;
fig. 6 is an exploded view of fig. 1.
Description of reference numerals: 1-valve seat, 11-annular bulge, 12-mounting groove, 121-sealing groove, 122-male buckle, 13-partition plate, 2-valve cover, 21-sealing part, 22-female buckle, 3-air inlet, 4-first air passage, 41-limiting part, 5-second air passage, 6-air outlet, 7-sealing plug, 71-plug body, 72-plug head and 8-protective shell.
Detailed Description
As shown in fig. 1 to 6, the vacuum bag extraction valve of the present invention comprises a valve seat 1 and a valve cover 2, wherein the valve seat 1 and the valve cover 2 are assembled into an integrated structure; the valve seat 1 is provided with an air inlet 3 and a first air passage 4 which are communicated, and the valve cover 2 is provided with a second air passage 5 communicated with the first air passage 4 and an air outlet 6 communicated with the second air passage 5; the size of the second air passage 5 is larger than that of the first air passage 4; the outer wall of the first air passage 4 is provided with an annular bulge 11 extending towards the direction of the second air passage 5; the first air passage 4 and the second air passage 5 are communicated with each other to form an air passage, a sealing plug 7 is arranged in the air passage, and the sealing plug 7 comprises a plug body 71 positioned in the first air passage 4 and a plug head 72 positioned in the second air passage 5; the plug 72 is contacted with the annular bulge 11; a gap exists between the plug body 71 and the inner side wall of the first air passage 4, and a gap exists between the plug head 72 and the inner side wall of the second air passage 5; the plug 72 is made of soft material.
The utility model discloses when using, take the one side of air inlet 3 with disk seat 1 and bond with the sack of vacuum bag, make inside air inlet 3 got into the vacuum bag, be connected vacuum pump and the gas outlet 6 on the valve gap 2, start the vacuum pump, the air in the vacuum pump begins to extract the vacuum bag. Due to the action of the vacuum pump, suction is generated in the first air passage 4 and the second air passage 5, so that the plug head edge of the sealing plug tilts towards the air outlet, the edge of the plug head 72 of the sealing plug 7 is separated from the annular bulge 11, and a gap is generated between the two. The air in the vacuum bag flows from the side of the sealing plug 7 to the air outlet 6 through the gap, and is pumped out by the vacuum pump. During the air extraction process, the vacuum pump will continuously generate suction force to continuously circulate the air in the first air passage 4 and the second air passage 5. After the air in the vacuum bag is extracted, the vacuum pump is detached, the inside of the vacuum bag is close to a vacuum state, the air pressure outside the vacuum bag is far greater than the air pressure inside the vacuum bag, and the pressure difference between the air pressure and the air pressure is large. The pressure difference acts on the sealing plug 7 through the air outlet 6, so that the tilting part of the sealing plug moves towards the annular bulge and is tightly attached to the annular bulge 11, at the moment, the first air passage 4 is closed, the vacuum bag has no air circulation with the outside, and the sealing state is kept. The utility model discloses an inside and outside pressure differential of vacuum bag after extracting gas seals, because inside and outside pressure differential of vacuum bag is very big and set up annular arch 11, makes sealing plug 7 inseparable with the protruding 11 contacts of annular, makes the utility model discloses a sealed respond well. The vacuum bag bleeder valve of the utility model realizes good sealing effect through less components, has simple structure and has good sealing effect.
The air inlet 3 is arranged at one end, far away from the valve cover 2, of the valve seat 1, the axle centers of the first air passages 4 of the air inlet 3 are arranged in a plurality of equal intervals, a partition plate 13 is arranged between every two adjacent air inlets 3, and the partition plate 13 extends from the middle of the valve seat 1 to the edge of the valve seat 1. The air inlet 3 is uniformly arranged around the axle center of the first air passage, so that the utility model discloses it is even, fast to bleed in the vacuum bag. Set up baffle 13 between adjacent air inlet 3, prevent that the air current mutual interference of adjacent air inlet 3 when bleeding from, make the utility model discloses a process of bleeding is stable quick.
The valve seat 1 one end that is close to valve gap 2 be equipped with mounting groove 12, the one end setting of valve gap 2 in mounting groove 12. The mounting groove 12 is used for mounting the valve cover 2, so that the connection between the mounting groove and the valve cover is stable and the assembly is convenient.
As shown in fig. 4, the mounting groove 12 is cylindrical, a sealing groove 121 surrounding the axis of the mounting groove 12 is disposed on the bottom surface of the mounting groove 12, the cross section of the sealing groove 121 is V-shaped, a sealing portion 21 adapted to the sealing groove 121 is disposed on the end surface of the bonnet 2 close to the mounting groove 12, and the sealing portion 21 is disposed in the sealing groove 121. The structure of sealing 21 and seal groove 121 has increased the area of contact between mounting groove 12 and the valve gap 2, has improved the leakproofness between the two, and then has improved the utility model discloses a vacuum bleeder valve's gas tightness.
As shown in fig. 5, a male buckle 122 is arranged on the inner side wall of the mounting groove 12, and a female buckle 22 adapted to the male buckle 122 is arranged on the outer side wall of the valve cover 2; the pin 122 and the box 22 snap fit. The snap-fit mode is firm in connection and quick and convenient to assemble.
And a protective shell 8 is arranged outside the valve cover 2 and the mounting groove 12, and the protective shell 8 is in threaded connection with the mounting groove 12. The protective shell 8 is used for protecting the air outlet 6 on the valve cover 2. Threaded connection between the protective shell 8 and the mounting groove 12 is firm in threaded connection and convenient to disassemble and assemble.
As shown in fig. 3, one end of the sealing plug 7, which is far away from the plug head 72, is recessed inwards, the inner side wall of the first air passage 4 extends inwards to form a limiting portion 41, and the limiting portion 41 limits the sealing plug 7 by clamping the recess, so that the sealing plug 7 cannot be dislocated. At the same time, the end of the sealing plug 7 far from the plug 72 also seals the opening at the bottom of the valve seat 1, so that gas flows in from the gas inlet 3 on the side of the valve seat 1.
The sealing plug is a rubber plug. The rubber plug is good in sealing effect, soft and deformable, and is tightly contacted with the annular bulge.
The air outlet 6 is a quick connector, can be quickly connected or disconnected without tools, and can be quickly connected or separated from an interface of a vacuum pump, so that the purpose of convenience in use is achieved.
Various other modifications and changes may be made by those skilled in the art based on the above-described technical solutions and concepts, and all such modifications and changes are intended to fall within the scope of the claims.
Claims (10)
1. A vacuum bag air extraction valve comprises a valve seat (1) and a valve cover (2); the valve is characterized in that the valve seat (1) is provided with an air inlet (3) and a first air passage (4) which are communicated with each other, and the valve cover (2) is provided with a second air passage (5) communicated with the first air passage (4) and an air outlet (6) communicated with the second air passage (5); the size of the second air passage (5) is larger than that of the first air passage (4); the outer wall of the first air passage (4) close to the second air passage (5) is provided with an annular bulge (11) extending towards the second air passage (5); the first air passage (4) and the second air passage (5) are communicated with each other to form an air passage, a sealing plug (7) is arranged in the air passage, and the sealing plug (7) comprises a plug body (71) positioned in the first air passage (4) and a plug head (72) positioned in the second air passage (5); the plug head (72) is contacted with the annular bulge (11); a gap exists between the plug body (71) and the inner side wall of the first air passage (4), and a gap exists between the plug head (72) and the inner side wall of the second air passage (5); the plug head (72) is made of soft materials.
2. The vacuum bag extraction valve according to claim 1, wherein the first air passage (4) and the second air passage (5) are both cylindrical, the first air passage (4) is arranged in the middle of the valve seat (1), and the second air passage (5) is arranged in the middle of the valve cover (2); the first air passage (4) and the second air passage (5) are coaxially arranged.
3. The vacuum bag extraction valve according to claim 2, wherein the air inlet (3) is arranged at an end of the valve seat (1) away from the valve cover (2), the air inlet (3) is arranged in a plurality at equal intervals around the axis of the first air passage (4), a partition plate (13) is arranged between every two adjacent air inlets (3), and the partition plate (13) extends from the middle of the valve seat (1) to the edge of the valve seat (1).
4. Vacuum bag extraction valve according to claim 1, characterized in that the valve seat (1) is provided with a mounting groove (12) at its end adjacent to the valve cover (2), and that the valve cover (2) is provided with an end arranged in the mounting groove (12).
5. The vacuum bag extraction valve as claimed in claim 4, wherein the mounting groove (12) is cylindrical, a sealing groove (121) surrounding the axis of the mounting groove (12) is formed in the bottom surface of the mounting groove (12), the cross section of the sealing groove (121) is V-shaped, a sealing portion (21) adapted to the sealing groove (121) is formed in the end surface of the valve cover (2) close to the mounting groove (12), and the sealing portion (21) is disposed in the sealing groove (121).
6. Vacuum bag bleeder valve according to claim 4, wherein the mounting groove (12) is snap-fitted with the valve cover (2).
7. Vacuum bag extraction valve according to claim 4, characterised in that a protective casing (8) is provided outside the valve cover (2) and the mounting groove (12), the protective casing (8) being screwed into the mounting groove (12).
8. Vacuum bag bleeder valve according to claim 1, characterized in that a stop (41) is provided in the first air passage (4) for stopping the sealing plug (7).
9. Vacuum bag bleeder valve in accordance with claim 1, characterized in that the sealing plug (7) is a rubber plug.
10. Vacuum bag bleeder valve in accordance with claim 1, characterized in that the air outlet (6) is a quick coupling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883339.9U CN210196568U (en) | 2019-06-12 | 2019-06-12 | Vacuum bag bleeder valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920883339.9U CN210196568U (en) | 2019-06-12 | 2019-06-12 | Vacuum bag bleeder valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210196568U true CN210196568U (en) | 2020-03-27 |
Family
ID=69874417
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920883339.9U Expired - Fee Related CN210196568U (en) | 2019-06-12 | 2019-06-12 | Vacuum bag bleeder valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210196568U (en) |
-
2019
- 2019-06-12 CN CN201920883339.9U patent/CN210196568U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200327 Termination date: 20210612 |