CN210290891U - Negative pressure adjusting device - Google Patents
Negative pressure adjusting device Download PDFInfo
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- CN210290891U CN210290891U CN201921158474.3U CN201921158474U CN210290891U CN 210290891 U CN210290891 U CN 210290891U CN 201921158474 U CN201921158474 U CN 201921158474U CN 210290891 U CN210290891 U CN 210290891U
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Abstract
The utility model relates to a negative pressure adjusting device, including casing, cock body, spring and lid, be provided with the gas pocket in the casing, gas pocket swing joint cock body, set up the spring in the cock body, the lid is fixed cock body and spring in the casing. The utility model discloses simple structure, it is sealed effectual when using, on solving the negative pressure problem, the effect is showing, simple, and can not make the interior oil of box leak from this point on.
Description
Technical Field
The utility model relates to a field, specifically speaking relate to a negative pressure adjusting device.
Background
When the oil is used, the situation that negative pressure is generated in the box body after the oil is used can occur, and the oil is difficult to supply. There are many solenoid valves, vent valves, which are relevant in the market today. But both are relatively complex.
Disclosure of Invention
An object of the utility model is to solve the above-mentioned problem that exists among the prior art, provide a negative pressure adjusting device. The utility model discloses simple structure, it is sealed effectual when using, on solving the negative pressure problem, the effect is showing, simple, and can not make the interior oil of box leak from this point on.
In order to achieve the above object, the utility model adopts the following technical scheme:
a negative pressure adjusting device is characterized in that: including casing, cock body, spring and lid, be provided with the gas pocket in the casing, gas pocket swing joint cock body, set up the spring in the cock body, the lid is fixed cock body and spring in the casing.
The shell comprises an air inlet pipe, a first connecting section, a conical section and a second connecting section, an air hole is formed in the first connecting section, a limiting table is arranged on the outer surface of the first connecting section, the air inlet pipe is connected with one end of the first connecting section, the conical section is connected with the other end of the first connecting section, and the conical section is connected with the second connecting section.
The end with the larger diameter of the conical section is connected with the first connecting section, and the end with the smaller diameter of the conical section is connected with the second connecting section; the outer diameter of the end with the smaller diameter of the conical section is larger than that of the connecting section II, and the outer diameter of the connecting section II is equal to that of the connecting section I; the inner diameters of the first connecting section, the conical section and the second connecting section are equal.
And the second connecting section is uniformly provided with connecting grooves.
The connecting groove sets up 2.
The plug body is conical.
A first groove and a second groove are formed in two ends of the plug body, a conical boss is arranged in the first groove, the height of the conical boss is larger than the depth of the first groove, and the conical boss is matched with the air hole; and a cylindrical boss is arranged in the second groove, and the height of the cylindrical boss is smaller than the depth of the second groove.
The plug is characterized in that one end with the smaller diameter of the plug body is provided with a first groove, and one end with the larger diameter of the plug body is provided with a second groove.
The cover body is provided with a connecting strip connected with the plug body, and the connecting strip is provided with a connecting boss.
The cover body is also provided with a vent hole.
And a boss matched with the spring is arranged in the middle of the cover body.
Adopt the utility model has the advantages of:
one, the utility model discloses simple structure, sealed effectual when using, on solving the negative pressure problem, the effect is showing, simple, and can not make the interior oil of box leak from this point on.
The utility model has simple structure, is beneficial to industrialized mass production and has low production cost; and the assembly mode is simple, and the use is simple.
Third, in the utility model, the end with larger diameter of the conical section is connected with the first connecting section, and the end with smaller diameter of the conical section is connected with the second connecting section; the outer diameter of the end with the smaller diameter of the conical section is larger than that of the connecting section II, and the outer diameter of the connecting section II is equal to that of the connecting section I; the inner diameters of the first connecting section, the conical section and the second connecting section are equal; when the structure is connected with the box body, the conical section is matched with the limiting table to fix the device.
Fourthly, the middle plug body of the utility model is provided with a conical boss which is matched with the air hole to have better air tightness; and when the plug body moves, the conical boss can quickly enter the air hole.
Fifthly, the utility model discloses in, set up the toper section on the casing, can be convenient for and the box installation, and can play fixed effect with spacing cooperation in the installation.
Sixth, in the utility model, the vent hole that sets up on the lid can admit air like the box.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the explosion structure of the present invention;
fig. 3 is a front view of the housing of the present invention;
fig. 4 is a top view of the housing of the present invention;
FIG. 5 is a schematic view of the internal structure of the present invention;
fig. 6 is a schematic structural view of the plug body of the present invention;
FIG. 7 is a front view of the plug body of the present invention;
fig. 8 is a top view of the plug body of the present invention;
fig. 9 is a schematic mechanism diagram of the cover body of the present invention;
fig. 10 is a front view of the cover of the present invention;
fig. 11 is a top view of the cover of the present invention;
the reference numbers in the figures are: 1. connecting section one, 2, cone section, 3, spacing platform, 4, connecting section two, 5, lid, 6, cock body, 7, spring, 8, intake pipe, 9, gas pocket, 41, spread groove, 51, connecting strip, 52, air vent, 53, boss, 61, toper boss, 62, recess one, 63, recess two, 64, cylinder boss, 511, connection boss.
Detailed Description
Example 1
The utility model provides a negative pressure adjusting device, includes casing, cock body 6, spring 7 and lid 5, be provided with gas pocket 9 in the casing, gas pocket 9 swing joint cock body 6, set up spring 7 in the cock body 6, lid 5 fixes cock body 6 and spring 7 in the casing.
Example 2
The utility model provides a negative pressure adjusting device, includes casing, cock body 6, spring 7 and lid 5, be provided with gas pocket 9 in the casing, gas pocket 9 swing joint cock body 6, set up spring 7 in the cock body 6, lid 5 fixes cock body 6 and spring 7 in the casing.
The casing includes intake pipe 8, linkage segment one 1, circular cone section 2 and linkage segment two 4, set up gas pocket 9 in linkage segment one 1, be provided with spacing platform 3 on linkage segment one 1 surface, intake pipe 8 is connected to the one end of linkage segment one 1, circular cone section 2 is connected to the other end of linkage segment one 1, circular cone section 2 connects linkage segment two 4.
The plug body 6 is conical.
A first groove 62 and a second groove 63 are formed in two ends of the plug body 6, a conical boss 61 is arranged in the first groove 62, the height of the conical boss 61 is larger than the depth of the first groove 62, and the conical boss 61 is matched with the air hole 9; and a cylindrical boss 64 is arranged in the second groove 63, and the height of the cylindrical boss 64 is smaller than the depth of the second groove 63.
The cover body 5 is provided with a connecting strip 51 connected with the plug body 6, and the connecting strip 51 is provided with a connecting boss 511.
The cover 5 is also provided with a vent hole 52.
The middle part of the cover body 5 is provided with a boss 53 matched with the spring 7.
Example 3
The utility model provides a negative pressure adjusting device, includes casing, cock body 6, spring 7 and lid 5, be provided with gas pocket 9 in the casing, gas pocket 9 swing joint cock body 6, set up spring 7 in the cock body 6, lid 5 fixes cock body 6 and spring 7 in the casing.
The casing includes intake pipe 8, linkage segment one 1, circular cone section 2 and linkage segment two 4, set up gas pocket 9 in linkage segment one 1, be provided with spacing platform 3 on linkage segment one 1 surface, intake pipe 8 is connected to the one end of linkage segment one 1, circular cone section 2 is connected to the other end of linkage segment one 1, circular cone section 2 connects linkage segment two 4.
The end with the larger diameter of the conical section is connected with the first connecting section 1, and the end with the smaller diameter of the conical section is connected with the second connecting section 4; the outer diameter of the end with the smaller diameter of the conical section is larger than that of the connecting section II 4, and the outer diameter of the connecting section II 4 is equal to that of the connecting section I1; the inner diameters of the first connecting section 1, the conical section and the second connecting section 4 are equal.
The second connecting section 4 is uniformly provided with connecting grooves 41.
The number of the coupling grooves 41 is 2.
The connecting groove 41 may be T-shaped, and the T-shaped connecting groove 41 not only can be connected with the lid 5, but also has a ventilation function.
The plug body 6 is conical.
A first groove 62 and a second groove 63 are formed in two ends of the plug body 6, a conical boss 61 is arranged in the first groove 62, the height of the conical boss 61 is larger than the depth of the first groove 62, and the conical boss 61 is matched with the air hole 9; and a cylindrical boss 64 is arranged in the second groove 63, and the height of the cylindrical boss 64 is smaller than the depth of the second groove 63.
The first groove 62 is formed in the end, with the smaller diameter, of the plug body 6, and the second groove 63 is formed in the end, with the larger diameter, of the plug body 6.
The cover body 5 is provided with a connecting strip 51 connected with the plug body 6, and the connecting strip 51 is provided with a connecting boss 511; when the cover 5 is connected to the housing, the connecting strip 51 extends into the housing, and the connecting boss 511 on the connecting strip 51 is clamped in the connecting groove 41 on the plug 6.
The cover 5 is also provided with a vent hole 52.
The middle part of the cover body 5 is provided with a boss 53 matched with the spring 7, one end of the spring 7 is contacted with the boss 53 at the middle part of the cover body 5, and the other end is contacted with the cylindrical boss 64 of the plug body 6, but are not connected with each other; the distance between the boss 53 and the cylindrical boss 64 when the cover 5 is fitted to the housing is equal to or less than the length of the spring 7.
When being connected with the box, sheathe rubber circle on linkage segment 1, push the connecting hole on the box with linkage segment two 4 and the conical section 2 of casing, the diameter of the connecting hole on the box slightly is less than the diameter of the great one end of conical section 2 diameter, and conical section 2 can pass the connecting hole under the effect of external force, through the cooperation of rubber circle and conical section 2, blocks the box between rubber circle and conical section 2, and the three closely cooperates, makes the box sealed.
The working principle is as follows: when the negative pressure in the box body is large, the plug body 6 moves towards the box body under the action of the negative pressure to compress the spring 7, the conical boss 61 on the plug body 6 moves to the air outlet hole 9 at the moment, the air hole 9 circulates, and air enters the box body through the air hole 9, so that the pressure in the box body is recovered to be normal; then the spring 7 is reset to drive the plug body 6 to reset, the air hole 9 is blocked by the conical boss 61 on the plug body 6, at the moment, the box body is closed, and air is not circulated.
Claims (10)
1. A negative pressure adjusting device is characterized in that: including casing, cock body (6), spring (7) and lid (5), be provided with gas pocket (9) in the casing, gas pocket (9) swing joint cock body (6), set up spring (7) in cock body (6), lid (5) are fixed cock body (6) and spring (7) in the casing.
2. A negative pressure regulating device according to claim 1, wherein: the casing includes intake pipe (8), linkage segment (1), circular cone section (2) and linkage segment two (4), set up gas pocket (9) in linkage segment (1), be provided with spacing platform (3) on linkage segment (1) surface, intake pipe (8) are connected to the one end of linkage segment (1), circular cone section (2) are connected to the other end of linkage segment (1), circular cone section (2) linkage segment two (4).
3. A negative pressure regulating device according to claim 2, wherein: the end with the larger diameter of the conical section is connected with the first connecting section (1), and the end with the smaller diameter of the conical section is connected with the second connecting section (4); the outer diameter of the end with the smaller diameter of the conical section is larger than that of the connecting section II (4), and the outer diameter of the connecting section II (4) is equal to that of the connecting section I (1); the inner diameters of the first connecting section (1), the conical section and the second connecting section (4) are equal.
4. A negative pressure regulating device according to claim 2 or 3, wherein: and the second connecting section (4) is uniformly provided with connecting grooves (41).
5. An underpressure-regulating device according to claim 4, characterized in that: the connecting groove (41) is provided with 2.
6. A negative pressure regulating device according to claim 1, wherein: the plug body (6) is conical.
7. An underpressure-regulating device according to claim 1 or 6, characterized in that: a first groove (62) and a second groove (63) are formed in two ends of the plug body (6), a conical boss (61) is arranged in the first groove (62), the height of the conical boss (61) is larger than the depth of the first groove (62), and the conical boss (61) is matched with the air hole (9); and a cylindrical boss (64) is arranged in the second groove (63), and the height of the cylindrical boss (64) is smaller than the depth of the second groove (63).
8. A negative pressure regulator as claimed in claim 7, wherein: the plug is characterized in that a first groove (62) is formed in the end, with the smaller diameter, of the plug body (6), and a second groove (63) is formed in the end, with the larger diameter, of the plug body (6).
9. A negative pressure regulating device according to claim 1, wherein: the plug is characterized in that a connecting strip (51) connected with the plug body (6) is arranged on the cover body (5), and a connecting boss (511) is arranged on the connecting strip (51).
10. A negative pressure regulating device according to claim 1 or 9, wherein: the cover body (5) is also provided with a vent hole (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158474.3U CN210290891U (en) | 2019-07-23 | 2019-07-23 | Negative pressure adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921158474.3U CN210290891U (en) | 2019-07-23 | 2019-07-23 | Negative pressure adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210290891U true CN210290891U (en) | 2020-04-10 |
Family
ID=70104028
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921158474.3U Active CN210290891U (en) | 2019-07-23 | 2019-07-23 | Negative pressure adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210290891U (en) |
-
2019
- 2019-07-23 CN CN201921158474.3U patent/CN210290891U/en active Active
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