CN211344348U - Universal joint applied to vacuum air extractor - Google Patents
Universal joint applied to vacuum air extractor Download PDFInfo
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- CN211344348U CN211344348U CN201922360057.3U CN201922360057U CN211344348U CN 211344348 U CN211344348 U CN 211344348U CN 201922360057 U CN201922360057 U CN 201922360057U CN 211344348 U CN211344348 U CN 211344348U
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Abstract
A universal joint applied to a vacuum air ejector comprises a cylindrical connecting pipe, wherein external threads are formed on the outer walls of two ends of the connecting pipe, spherical recesses are formed in two ends of the connecting pipe, and a central hole communicated with the recesses in the two ends of the connecting pipe is formed in the connecting pipe; a spherical connector is inserted into the concave slot of the connecting pipe, a water through hole communicated with the central hole is formed in the outer wall of one end, close to the central hole, of the connector, a sleeve is formed in the outer wall of the other end, opposite to the water through hole, of the connector, and a conical limiting hole communicated with the water through hole and an inner hole of the sleeve is formed in the connector; the adapter is inserted and sleeved with a cap-shaped locking sleeve, the adapter is pressed against the inner ring of the locking sleeve, and the locking sleeve is screwed at two ends of the adapter. The novel pipe joint can realize angle adjustment and length adjustment, and is convenient for butting the inlet pipe and the outlet pipe between adjacent parts on the vacuum extractor.
Description
The technical field is as follows:
the utility model relates to an energy-conserving evacuating device's technical field, more specifically says and relates to a be applied to universal joint on vacuum ejector.
Background art:
the existing high-efficiency vacuum extractor consists of a preposed cooling filter, a special vacuum electric valve for quick opening and closing, a high-sealing soft valve, a high-strength check valve, a high-efficiency vacuum pump, a cooling oil tank, an oil-water separator, integrated control and the like. The parts are connected through pipelines, but on the actual vacuum device, part of the parts are adjacent and can be completely butted; the butt joint can be realized by adopting pipe joints for connection, but the inlet and outlet pipes on the parts are not right opposite and have dislocation, and meanwhile, the two inlet and outlet pipes are still provided with different gaps, so that the pipe joint with adjustable length and angle is needed.
The utility model has the following contents:
the utility model aims at providing a be applied to the universal joint on the vacuum ejector to the not enough of prior art, it can realize angle modulation and length adjustment, the last butt joint of business turn over pipe between the adjacent spare part of the vacuums of being convenient for.
A universal joint applied to a vacuum air ejector comprises a cylindrical connecting pipe, wherein external threads are formed on the outer walls of two ends of the connecting pipe, spherical recesses are formed in two ends of the connecting pipe, and a central hole communicated with the recesses in the two ends of the connecting pipe is formed in the connecting pipe; a spherical connector is inserted into the concave slot of the connecting pipe, a water through hole communicated with the central hole is formed in the outer wall of one end, close to the central hole, of the connector, a sleeve is formed in the outer wall of the other end, opposite to the water through hole, of the connector, and a conical limiting hole communicated with the water through hole and an inner hole of the sleeve is formed in the connector; the connecting head is inserted and sleeved with a cap-shaped locking sleeve, the connecting head is pressed against the inner ring of the locking sleeve, and the locking sleeve is screwed at two ends of the connecting pipe;
the telescopic pipe is inserted in the sleeve of the connector, a conical expanding pipe is formed at the inner end of the telescopic pipe, the expanding pipe is abutted against the inner wall of the limiting hole of the connector, the outer end of the telescopic pipe extends out of the sleeve and is sleeved with a cap-shaped internal thread sleeve, a circular limiting check ring is inserted in the internal thread sleeve, and the plug sleeve of the limiting check ring is fixed on the outer wall of the outer end of the telescopic pipe.
Preferably, a spherical sealing gasket is clamped between the groove of the connecting pipe and the connector, and the sealing gasket is fixedly adhered to the connector and is provided with a groove hole opposite to the water through hole in a molding mode.
Preferably, a spherical clamping groove is formed in the inner ring of the locking sleeve, the connector abuts against the bottom surface of the clamping groove, and the arc radius of the clamping groove is equal to the radius of the outer wall of the connector.
Preferably, the depth of the concave groove on the adapter is smaller than the radius of the outer wall of the connector; the connecting pipe and the locking sleeve are distributed on two sides of the center of the connector.
Preferably, the diameter of the inner wall of the sleeve on the connecting head is equal to the diameter of the outer wall of the telescopic pipe, and the conical angle of the expanding pipe on the telescopic pipe is equal to the conical angle of the limiting hole in the connecting head; the aperture of the limber hole is larger than that of the inner hole of the sleeve.
Preferably, a sealing sleeve is fixedly inserted into the sleeve, and the sealing sleeve is pressed against the outer wall of the telescopic pipe.
Preferably, the side end face of the limiting check ring is flush with the end face of the outer end of the extension tube, and the diameter of the outer wall of the limiting check ring is larger than that of the inner ring of the internal thread sleeve; and a sealing washer is inserted in the internal thread sleeve.
The beneficial effects of the utility model reside in that:
the novel pipe joint can realize angle adjustment and length adjustment, and is convenient for butting the inlet pipe and the outlet pipe between adjacent parts on the vacuum extractor.
Description of the drawings:
fig. 1 is a schematic three-dimensional structure of the present invention;
FIG. 2 is a front view of the present invention;
fig. 3 is a schematic cross-sectional view at a-a in fig. 2.
In the figure: 1. taking over a pipe; 11. a dimple; 12. a main liquid outlet pipe; 13. a central bore; 2. a connector; 21. a water through hole; 22. a limiting hole; 23. a sleeve; 4. a telescopic pipe; 41. expanding the pipe; 5. An internal thread sleeve; 6. a limit retainer ring; 7. a sealing gasket; 8. a locking sleeve; 81. a card slot; 9. And a gasket.
The specific implementation mode is as follows:
example (b): as shown in fig. 1 to 3, a universal joint applied to a vacuum ejector comprises a cylindrical adapter 1, wherein external threads are formed on the outer walls of two ends of the adapter 1, spherical recesses 11 are formed at two ends of the adapter 1, and a central hole 13 communicating the recesses 11 at two ends of the adapter 1 is formed in the adapter 1; a spherical connector 2 is inserted into the recess 11 of the connecting pipe 1, a water through hole 21 communicated with the central hole 13 is formed in the outer wall of one end, close to the central hole 13, of the connector 2, a sleeve 23 is formed in the outer wall of the other end, opposite to the water through hole 21, of the connector 2, and a conical limiting hole 22 communicated with the water through hole 21 and an inner hole of the sleeve 23 is formed in the connector 2; a cap-shaped locking sleeve 8 is inserted and sleeved on the connector 2, the connector 2 is pressed against the inner ring of the locking sleeve 8, and the locking sleeve 8 is screwed at two ends of the connecting pipe 1;
the telescopic pipe 4 is inserted into the sleeve 23 of the connector 2, the conical expanding pipe 41 is formed at the inner end of the telescopic pipe 4, the expanding pipe 41 is abutted against the inner wall of the limiting hole 22 of the connector 2, the outer end of the telescopic pipe 4 extends out of the sleeve 23 and is sleeved with a cap-shaped internal thread sleeve 5, a circular limiting check ring 6 is inserted into the internal thread sleeve 5, and the plug sleeve of the limiting check ring 6 is fixed on the outer wall of the outer end of the telescopic pipe 4.
Preferably, a spherical sealing gasket 9 is clamped between the concave 11 of the adapter 1 and the connector 2, and the sealing gasket 9 is fixedly adhered to the connector 2 and is formed with a groove hole opposite to the water through hole 21.
Preferably, a spherical clamping groove 81 is formed in the inner ring of the locking sleeve 8, the connector 2 abuts against the bottom surface of the clamping groove 81, and the arc radius of the clamping groove 81 is equal to the radius of the outer wall of the connector 2.
Preferably, the depth of the concave groove 11 on the adapter 1 is smaller than the radius of the outer wall of the connecting head 2; the connecting pipe 1 and the locking sleeve 8 are distributed on two sides of the center of the connecting head 2.
Preferably, the diameter of the inner wall of the sleeve 23 on the connector 2 is equal to the diameter of the outer wall of the extension tube 4, and the conical angle of the extension tube 41 on the extension tube 4 is equal to the conical angle of the limiting hole 22 in the connector 2; the aperture of the water through hole 21 is larger than that of the inner hole of the sleeve 23.
Preferably, a sealing sleeve is inserted and fixed in said sleeve 23, which is pressed against the outer wall of the telescopic tube 4.
Preferably, the end face of the side of the limit retainer ring 6 is flush with the end face of the outer end of the extension tube 4, and the diameter of the outer wall of the limit retainer ring 6 is larger than that of the inner ring of the internal thread sleeve 5; a sealing washer 7 is inserted in the internal thread sleeve 5.
Preferably, a regular hexagon convex ring is formed on the outer wall of the middle part of the connecting pipe 1, and the locking sleeve 8 and the internal thread sleeve are both in a regular hexagon shape.
The working principle is as follows: the utility model relates to a universal joint on a vacuum air ejector, which mainly comprises a linear connecting pipe 1 and spherical connectors 2 at two ends of the connecting pipe 1, wherein the connectors 2 can rotate universally with the connecting pipe 1, so that the angle can be adjusted;
the connector 2 is provided with a telescopic pipe 4 which can move and stretch, and the length adjustment of the universal joint can be realized through the movement of the telescopic pipe 4; thereby being convenient for the butt joint of the inlet pipe and the outlet pipe between the adjacent parts on the vacuum pumping device.
The examples are intended to be illustrative, but not limiting, of the invention. The embodiments can be modified by those skilled in the art without departing from the spirit and scope of the present invention, and therefore, the scope of the present invention should be determined by the appended claims.
Claims (7)
1. The utility model provides a be applied to universal joint on vacuum ejector, includes columniform takeover (1), and the shaping has the external screw thread on the outer wall at takeover (1) both ends, its characterized in that: spherical recesses (11) are formed at two ends of the connecting pipe (1), and a central hole (13) communicated with the recesses (11) at the two ends of the connecting pipe (1) is formed in the connecting pipe (1); a spherical connector (2) is inserted into a concave groove (11) of the connecting pipe (1), a water through hole (21) communicated with the central hole (13) is formed in the outer wall of one end, close to the central hole (13), of the connector (2), a sleeve (23) is formed in the outer wall of the other end, opposite to the water through hole (21), of the connector (2), and a conical limiting hole (22) communicated with the water through hole (21) and the inner hole of the sleeve (23) is formed in the connector (2); a cap-shaped locking sleeve (8) is inserted and sleeved on the connector (2), the connector (2) is pressed against the inner ring of the locking sleeve (8), and the locking sleeve (8) is in threaded connection with the two ends of the connecting pipe (1);
the telescopic pipe (4) is inserted and connected in the sleeve (23) of the connector (2), the inner shaping of the telescopic pipe (4) has conical expanding pipe (41), the expanding pipe (41) is supported and leaned on the inner wall of the spacing hole (22) of the connector (2), the outer end of the telescopic pipe (4) stretches out the inner thread sleeve (5) of the cap-shaped plug bush of the sleeve (23), the annular limiting check ring (6) is inserted and connected in the inner thread sleeve (5), and the plug bush of the limiting check ring (6) is fixed on the outer wall of the outer end of the telescopic pipe (4).
2. A universal joint applied to a vacuum ejector according to claim 1, wherein: spherical sealing gaskets (9) are clamped between the grooves (11) of the connecting pipes (1) and the connectors (2), the sealing gaskets (9) are pasted and fixed on the connectors (2) and formed with slotted holes opposite to the water through holes (21).
3. A universal joint applied to a vacuum ejector according to claim 1, wherein: the inner circle of lock sleeve (8) is formed with spherical draw-in groove (81), and connector (2) are supported and are leaned on the bottom surface of draw-in groove (81), and the circular arc radius of draw-in groove (81) equals the radius of connector (2) outer wall.
4. A universal joint applied to a vacuum ejector according to claim 3, wherein: the depth of the concave groove (11) on the connecting pipe (1) is smaller than the radius of the outer wall of the connecting head (2); the connecting pipe (1) and the locking sleeve (8) are distributed on two sides of the center of the connector (2).
5. A universal joint applied to a vacuum ejector according to claim 1, wherein: the diameter of the inner wall of the sleeve (23) on the connector (2) is equal to that of the outer wall of the telescopic pipe (4), and the conical angle of the expanded pipe (41) on the telescopic pipe (4) is equal to that of the limiting hole (22) in the connector (2); the aperture of the water through hole (21) is larger than that of the inner hole of the sleeve (23).
6. A universal joint applied to a vacuum ejector according to claim 5, wherein: a sealing sleeve is fixedly inserted into the sleeve (23) and pressed against the outer wall of the telescopic pipe (4).
7. A universal joint applied to a vacuum ejector according to claim 1, wherein: the side end surface of the limiting check ring (6) is flush with the end surface of the outer end of the telescopic pipe (4), and the diameter of the outer wall of the limiting check ring (6) is larger than that of the inner ring of the internal thread sleeve (5); and a sealing washer (7) is inserted in the internal thread sleeve (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360057.3U CN211344348U (en) | 2019-12-25 | 2019-12-25 | Universal joint applied to vacuum air extractor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922360057.3U CN211344348U (en) | 2019-12-25 | 2019-12-25 | Universal joint applied to vacuum air extractor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211344348U true CN211344348U (en) | 2020-08-25 |
Family
ID=72098400
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922360057.3U Active CN211344348U (en) | 2019-12-25 | 2019-12-25 | Universal joint applied to vacuum air extractor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211344348U (en) |
-
2019
- 2019-12-25 CN CN201922360057.3U patent/CN211344348U/en active Active
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