CN211875119U - Rotary base type gas terminal - Google Patents
Rotary base type gas terminal Download PDFInfo
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- CN211875119U CN211875119U CN202020410799.2U CN202020410799U CN211875119U CN 211875119 U CN211875119 U CN 211875119U CN 202020410799 U CN202020410799 U CN 202020410799U CN 211875119 U CN211875119 U CN 211875119U
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Abstract
The utility model discloses a rotary base type gas terminal, which comprises an upper locking unit and a lower locking unit; the upper locking unit comprises an upper valve body and a valve core seat arranged at the bottom of a central hole of the upper valve body, and a stepped through hole which is communicated up and down is formed in the core part of the valve core seat; the upper locking unit also comprises a locking device for fixing the lower end of the plug in the stepped through hole; the lower air locking unit comprises a rotary seat arranged at the bottom of the upper valve body, and the rotary seat comprises a rotary upper seat and a rotary lower seat which are fixedly connected together; the lower air locking unit also comprises a lower valve body arranged in the rotary seat, and the lower valve body is respectively in running fit with the rotary upper seat and the rotary lower seat; the lower valve body is connected with a horizontally arranged air inlet pipe, and the air inlet pipe penetrates through a window formed in the lower rotary seat. The utility model discloses can be according to the installation needs at certain angle within range internal rotation, according to the nimble adjustment of direction of admitting air, solved the problem that is difficult to the installation.
Description
Technical Field
The utility model relates to a gas terminal, especially a gaseous plug valve.
Background
The gas plugging valve in the prior art has the following defects: (1) in order to ensure that gas does not leak, the gas inlet pipe and the valve body are welded or in threaded connection, but the gas inlet directions of field gas are different, so that the installation is very difficult, the gas inlet pipe often needs to be disassembled and reversed, and even the gas inlet pipe cannot be used; (2) the air source needs to be disconnected during maintenance, the operation is complex, and the time consumption is long.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gaseous terminal of rotating base formula, its purpose: (1) the air inlet pipe can rotate in a certain range and can be flexibly adjusted according to the air inlet direction; (2) the function of disconnection air supply temporarily of integration, convenient maintenance.
The utility model discloses technical scheme as follows:
a rotary base type gas terminal includes an upper lock unit and a lower lock unit;
the upper locking unit comprises an upper valve body and a valve core seat arranged at the bottom of a central hole of the upper valve body, and a stepped through hole which is communicated up and down is formed in the core part of the valve core seat; the upper locking unit also comprises a locking device for fixing the lower end of the plug in the stepped through hole;
the lower air locking unit comprises a rotary seat arranged at the bottom of the upper valve body, and the rotary seat comprises a rotary upper seat and a rotary lower seat which are fixedly connected together; the lower air locking unit also comprises a lower valve body arranged in the rotary seat, the lower valve body is respectively in running fit with the rotary upper seat and the rotary lower seat, and a fourth sealing ring is arranged between the lower valve body and the rotary upper seat; the lower valve body is connected with a horizontally arranged air inlet pipe, and the air inlet pipe penetrates through a window formed in the rotary lower seat; a vertical air inlet hole is formed in the lower valve body, and the lower end of the air inlet hole is communicated with an air inlet pipe; the lower end of the valve core seat is connected with the upper end of the air inlet hole; a first sealing ring is arranged between the valve core seat and the lower valve body;
the lower air locking unit also comprises a main valve core arranged in the stepped through hole; the lower air-lock unit further comprises a first compression spring; the top of the first compression spring is in contact with the main valve core, the bottom of the first compression spring is in contact with the lower valve body, and the first compression spring is used for enabling a second sealing ring sleeved on the main valve core to be in contact with the step shoulder surface of the step through hole;
the bottom of the main valve core is provided with an outer cylindrical surface, and a gap is formed between the outer cylindrical surface and the stepped through hole of the valve core seat and used for enabling air flow to pass through; the outer cylindrical surface is provided with an external thread, and the lower end of the air inlet hole is provided with an internal thread hole matched with the external thread; the bottom of the main valve core is also provided with a conical bulge which is used for matching with the air inlet; the top of the main valve core is also provided with an operating part.
As a further improvement of the device: the lower valve body comprises an upper cylinder and a lower cylinder, and the diameter of the lower cylinder is larger than that of the upper cylinder; the upper cylinder is matched with the shaft hole of the rotary upper seat, and the lower cylinder is matched with a circular concave platform arranged at the bottom of the rotary lower seat; and a shaft shoulder between the lower cylinder and the upper cylinder is provided with the fourth sealing ring, and the top of the fourth sealing ring is contacted with the bottom of the rotary upper seat.
As a further improvement of the device: the locking device comprises an outer sleeve, a locking ring, a second compression spring and a pin shaft;
the lock ring is positioned below the outer sleeve, sleeved on the outer side of the upper valve body and connected with the outer sleeve; a horizontal transverse groove is formed in the lock ring; the upper valve body is provided with a chute communicated with the central hole of the upper valve body, and the inner end of the chute is higher than the outer end; the two ends of the pin shaft are positioned in the transverse grooves of the locking rings, and the middle part of the pin shaft is positioned in the inclined grooves; the lower end of the second compression spring is in contact with the upper valve body, and the upper end of the second compression spring is in contact with the locking ring or the outer sleeve and is used for pushing the locking ring upwards;
the outer circular surface of the plug is provided with an annular bulge, and the bottom and the top of the bulge are respectively provided with a chamfer.
As a further improvement of the device: and the top of the outer sleeve is provided with a valve cover.
As a further improvement of the device: the bottom of the main valve core is provided with an annular groove arranged around the conical protrusion, and the upper end of the first compression spring is positioned in the annular groove.
As a further improvement of the device: and a processing plane is arranged on the outer cylindrical surface, and a vent hole communicated with the annular groove is formed in the processing plane.
As a further improvement of the device: and a third sealing ring is arranged in the stepped through hole of the valve core seat and used for realizing sealing between the stepped through hole and the plug.
Compared with the prior art, the utility model discloses following beneficial effect has: (1) the valve body of the device is divided into a fixed upper valve body and a lower valve body which can rotate relative to the rotary seat, the air inlet pipe is connected to the lower valve body and penetrates through the window on the rotary seat, the air inlet pipe can rotate within a certain angle range according to installation requirements, the air inlet pipe is flexibly adjusted according to the air inlet direction, and the problem of difficulty in installation is solved; (2) the main valve core is connected with the lower valve body through threads, the bottom of the main valve core is provided with a conical bulge, when maintenance is needed, the main valve core can be pressed downwards and rotated, so that the internal threads and the external threads are matched, the conical bulge is tightly contacted with the air inlet, temporary air cut-off is realized, and the maintenance is convenient; (3) after the valve cover is loosened, the locking ring rises, the pin shaft moves inwards under the action of the inclined groove and the transverse groove, and the plug is clamped to ensure stable insertion; (4) the device is divided into an upper locking unit and a lower air locking unit, the upper locking unit is not in direct contact with air, most of elements of the upper locking unit can be made of plastics, and batch production is facilitated.
Drawings
FIG. 1 is one of the cross-sectional views of the device.
Fig. 2 is a second cross-sectional view of the device.
Fig. 3 is an exploded view of the upper locking unit.
Fig. 4 is an exploded view of the lower airlock unit.
Fig. 5 is a top view of the lower latch unit for revealing the rotational range of the intake pipe.
Fig. 6 is a schematic structural view of the main spool.
Detailed Description
The technical scheme of the utility model is explained in detail below with the attached drawings:
referring to fig. 1 to 4, a swivel base type gas terminal includes an upper locking unit and a lower locking unit.
The upper locking unit comprises an upper valve body 9 and a valve core seat 10 installed at the bottom of a central hole of the upper valve body 9, and a stepped through hole which is communicated up and down is formed in the core part of the valve core seat 10. The upper locking unit further comprises locking means for fixing the lower end of the tubular plug 1 in the stepped through hole. And a third sealing ring 7 is further installed in the stepped through hole of the valve core seat 10, and the third sealing ring 7 is used for sealing between the stepped through hole and the plug 1.
The locking device comprises an outer sleeve 3, a locking ring 4, a second compression spring 5 and four pin shafts 6.
The locking ring 4 is positioned below the outer sleeve 3, is sleeved outside the upper valve body 9, can slide up and down along the cylindrical part of the upper valve body 9, and is connected with the outer sleeve 3 in a buckling mode.
The pin shafts 6 are respectively provided with an upper group and a lower group at the left side and the right side of the plug 1. The locking ring 4 is provided with a horizontal transverse groove, the upper valve body 9 is provided with a chute communicated with a central hole of the upper valve body, and the inner end of the chute is higher than the outer end of the chute. Each pin shaft 6 corresponds to two transverse grooves and two inclined grooves. The two ends of the pin shaft 6 are positioned in the transverse grooves of the locking ring 4, and the middle part of the pin shaft is positioned in the inclined grooves. The lower end of the second compression spring 5 is in contact with the upper valve body 9, and the upper end of the second compression spring is in contact with the locking ring 4 or the outer sleeve 3, so that the locking ring 4 is pushed upwards.
An annular bulge is arranged on the outer circular surface of the plug 1, and chamfers are respectively arranged at the bottom and the top of the bulge.
And the top of the outer sleeve 3 is provided with a valve cover 2.
When the plug 1 needs to be inserted, the valve cover 2 is pressed down, the outer side of the pin shaft 6 moves under the action of the inclined groove and the transverse groove, and the plug 1 can be smoothly inserted. After the valve cover 2 is loosened, the locking ring 4 is lifted under the action of the second compression spring 5, and the pin shaft 6 moves inwards to enter the central hole to clamp the plug 1.
The lower airlock unit includes a swivel base comprising a swivel upper base 14 and a swivel lower base 16 fixedly connected together by a set screw 15. The bottom of the upper valve body 9 is mounted on the top of the rotary upper seat 14 through a fastening bolt 8.
The lower air locking unit further comprises a lower valve body 13 mounted in the rotary seat, and the lower valve body 13 is in running fit with the rotary upper seat 14 and the rotary lower seat 16 respectively. Specifically, the lower valve body 13 comprises an upper cylinder and a lower cylinder, and the diameter of the lower cylinder is larger than that of the upper cylinder; the upper cylinder is matched with the shaft hole of the rotary upper seat 14, and the lower cylinder is matched with a circular concave platform arranged at the bottom of the rotary lower seat 16. A fourth sealing ring 12 is arranged at a shaft shoulder between the lower cylinder and the upper cylinder, and the top of the fourth sealing ring 12 is contacted with the bottom of the upper rotating seat 14.
The lower valve body 13 is connected with a horizontally arranged air inlet pipe 20 through thread fit, and the air inlet pipe 20 penetrates through a window formed in the side part of the rotary lower seat 16. As shown in fig. 5, the lower valve body 13 and the intake pipe 20 can be horizontally rotated with respect to the rotary seat.
As shown in fig. 1 to 4, a vertical air inlet hole is formed in the lower valve body 13, and the lower end of the air inlet hole is communicated with an air inlet pipe 20. The lower end of the valve core seat 10 is connected with the upper end of the air inlet hole in a shaft hole mode, and the valve core seat and the air inlet hole can rotate mutually. A first sealing ring 17 is arranged between the valve core seat 10 and the lower valve body 13.
The lower latch unit further includes a main spool 11 disposed in the stepped through-hole and a first compression spring 19 between the main spool 11 and the lower valve body 13. The top of the first compression spring 19 is in contact with the main valve element 11, and the bottom of the first compression spring is in contact with the lower valve body 13, so that the second sealing ring 18 sleeved on the main valve element 11 is in contact with the step shoulder surface of the step through hole.
As shown in fig. 6, the bottom of the main valve core 11 has an outer cylindrical surface, and there is a gap between the outer cylindrical surface and the stepped through hole of the valve core seat 10 for allowing the air flow to pass through. The bottom of the main valve core 11 is provided with an annular groove arranged around the conical protrusion, and the upper end of the first compression spring 19 is positioned in the annular groove. The outer cylindrical surface is provided with a processing plane 11-1, the processing plane 11-1 is provided with a vent hole 11-2 communicated with the annular groove, and the air circulation area is increased.
As shown in fig. 1 to 4, an external thread is arranged on the outer cylindrical surface, and an internal thread hole matched with the external thread is arranged at the lower end of the air inlet hole; the bottom of the main valve core 11 is also provided with a conical bulge matched with the air inlet. The top of the main valve core 11 is also provided with an operating part which is a straight groove or a cross groove.
When the air source needs to be temporarily cut off, the main valve core 11 can be pressed and rotated from the upper part to be matched with the internal thread hole on the lower valve body 13, and the conical bulge is tightly matched with the air inlet hole, so that the air flow is cut off. When the valve is normally used, the main valve element 11 needs to be rotated to be separated from the lower valve body 13, and the air flow can normally pass through the valve.
Claims (7)
1. A rotating base gas terminal, comprising: comprises an upper locking unit and a lower locking unit;
the upper locking unit comprises an upper valve body (9) and a valve core seat (10) arranged at the bottom of a central hole of the upper valve body (9), and a stepped through hole which is communicated up and down is formed in the core part of the valve core seat (10); the upper locking unit also comprises a locking device used for fixing the lower end of the plug (1) in the stepped through hole;
the lower air locking unit comprises a rotary seat arranged at the bottom of the upper valve body (9), and the rotary seat comprises a rotary upper seat (14) and a rotary lower seat (16) which are fixedly connected together; the lower air locking unit also comprises a lower valve body (13) arranged in the rotary seat, the lower valve body (13) is respectively in running fit with the rotary upper seat (14) and the rotary lower seat (16), and a fourth sealing ring (12) is arranged between the lower valve body (13) and the rotary upper seat (14); the lower valve body (13) is connected with a horizontally arranged air inlet pipe (20), and the air inlet pipe (20) penetrates through a window formed in the rotary lower seat (16); a vertical air inlet is arranged in the lower valve body (13), and the lower end of the air inlet is communicated with an air inlet pipe (20); the lower end of the valve core seat (10) is connected with the upper end of the air inlet; a first sealing ring (17) is arranged between the valve core seat (10) and the lower valve body (13);
the lower air locking unit also comprises a main valve core (11) arranged in the stepped through hole; the lower latch unit further comprises a first compression spring (19); the top of the first compression spring (19) is in contact with the main valve core (11), the bottom of the first compression spring is in contact with the lower valve body (13), and the first compression spring is used for enabling a second sealing ring (18) sleeved on the main valve core (11) to be in contact with the step shoulder surface of the step through hole;
the bottom of the main valve core (11) is provided with an outer cylindrical surface, and a gap is formed between the outer cylindrical surface and the stepped through hole of the valve core seat (10) and used for enabling air flow to pass through; the outer cylindrical surface is provided with an external thread, and the lower end of the air inlet hole is provided with an internal thread hole matched with the external thread; the bottom of the main valve core (11) is also provided with a conical bulge matched with the air inlet; the top of the main valve core (11) is also provided with an operating part.
2. The pivoting base gas terminal according to claim 1, wherein: the lower valve body (13) comprises an upper cylinder and a lower cylinder, and the diameter of the lower cylinder is larger than that of the upper cylinder; the upper cylinder is matched with a shaft hole of the rotary upper seat (14), and the lower cylinder is matched with a circular concave platform arranged at the bottom of the rotary lower seat (16); the shaft shoulder between the lower cylinder and the upper cylinder is provided with the fourth sealing ring (12), and the top of the fourth sealing ring (12) is in contact with the bottom of the rotary upper seat (14).
3. The pivoting base gas terminal according to claim 1, wherein: the locking device comprises an outer sleeve (3), a locking ring (4), a second compression spring (5) and a pin shaft (6);
the locking ring (4) is positioned below the outer sleeve (3), sleeved on the outer side of the upper valve body (9) and connected with the outer sleeve (3); a horizontal transverse groove is formed in the lock ring (4); the upper valve body (9) is provided with a chute communicated with a central hole of the upper valve body, and the inner end of the chute is higher than the outer end; the two ends of the pin shaft (6) are positioned in the transverse groove of the locking ring (4), and the middle part of the pin shaft is positioned in the inclined groove; the lower end of the second compression spring (5) is in contact with the upper valve body (9), and the upper end of the second compression spring is in contact with the locking ring (4) or the outer sleeve (3) and is used for pushing the locking ring (4) upwards;
the plug is characterized in that an annular bulge is arranged on the outer circular surface of the plug (1), and chamfers are respectively arranged at the bottom and the top of the bulge.
4. The pivoting base gas terminal according to claim 3, wherein: and the top of the outer sleeve (3) is provided with a valve cover (2).
5. The pivoting base gas terminal according to claim 1, wherein: the bottom of the main valve core (11) is provided with an annular groove arranged around the conical protrusion, and the upper end of the first compression spring (19) is positioned in the annular groove.
6. The pivoting base gas terminal according to claim 5, wherein: and a processing plane (11-1) is arranged on the outer cylindrical surface, and a vent hole (11-2) communicated with the annular groove is formed in the processing plane (11-1).
7. The pivoting base gas terminal according to any of claims 1 to 6, wherein: and a third sealing ring (7) is arranged in the stepped through hole of the valve core seat (10), and the third sealing ring (7) is used for sealing the stepped through hole and the plug (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020410799.2U CN211875119U (en) | 2020-03-27 | 2020-03-27 | Rotary base type gas terminal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020410799.2U CN211875119U (en) | 2020-03-27 | 2020-03-27 | Rotary base type gas terminal |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211875119U true CN211875119U (en) | 2020-11-06 |
Family
ID=73257106
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020410799.2U Active CN211875119U (en) | 2020-03-27 | 2020-03-27 | Rotary base type gas terminal |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211875119U (en) |
-
2020
- 2020-03-27 CN CN202020410799.2U patent/CN211875119U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: No.8 cheshan Road, Zhifu District, Yantai City, Shandong Province Patentee after: Huasheng Medical Technology Co.,Ltd. Address before: No.8 cheshan Road, Zhifu District, Yantai City, Shandong Province Patentee before: YANTAI BEACON MEDICAL TECHNOLOGY Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder |