CN205078635U - Oil field screw pump ball cage universal joint - Google Patents
Oil field screw pump ball cage universal joint Download PDFInfo
- Publication number
- CN205078635U CN205078635U CN201520869635.5U CN201520869635U CN205078635U CN 205078635 U CN205078635 U CN 205078635U CN 201520869635 U CN201520869635 U CN 201520869635U CN 205078635 U CN205078635 U CN 205078635U
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- Prior art keywords
- oil field
- steel ball
- screw pump
- end cap
- screw
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Abstract
The utility model discloses an oil field screw pump ball cage universal joint, including the connecting plate, the welding of the right side of connecting plate has the adapter sleeve, and the bottom of adapter sleeve is equipped with steel ball and holding ring, and the right side of steel ball is equipped with the holding ring, the right side of adapter sleeve is equipped with the end cover, and the junction of the end cover of adapter sleeve is equipped with the sealing washer, be equipped with the screw on the right side outer wall of end cover, and the right side of screw is equipped with the bullet pad, the right side of end cover is equipped with sealed flexible cover, the top and the bottom of sealed flexible cover are equipped with clamp and connecting axle respectively. This oil field screw pump ball cage universal joint, sealed flexible cover are fixed in end cover and connecting axle through the clamp on, the steel ball is freely placed in half circular spherical inslot of the ball socket of connecting rod bulb and adapter sleeve, but the forward freely removes with reverse, receive the initiative when the driven end and hold when transmitting next moment of torsion steel ball free rotation, simple structure, manufacturing convenience, long service life.
Description
Technical field
The utility model relates to and turns to component technical field, is specially a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling.
Background technique
At present, the ball cage Hooks coupling universal coupling that oil field uses includes band connecting rod, bulb, connecting sleeve, bulb is connected by steel ball and retainer with connecting sleeve, due to particular job environment in oil field, the wearing and tearing of retainer and steel ball are very serious, and the working life of coupling is extremely low, and frequent replacing have impact on manufacturing efficiency and economic benefit greatly, higher to the required precision of each component during production and processing simultaneously, manufacture efficiency lower.
Model utility content
The purpose of this utility model is to provide a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling, to solve the problem proposed in above-mentioned background technology.
For achieving the above object, the utility model provides following technological scheme: a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling, comprise connecting plate, the right side of described connecting plate is welded with connecting sleeve, and the bottom of connecting sleeve is provided with steel ball and positioning ring, and the right side of steel ball is provided with positioning ring, the right side of described connecting sleeve is provided with end cap, and the joint of the end cap of connecting sleeve is provided with seal ring, the outer right wall of described end cap is provided with screw, and the right side of screw is provided with bullet pad, described end cap is connected with connecting sleeve by screw, the right side of described end cap is provided with sealing telescopic cover, top and the bottom of described sealing telescopic cover are respectively equipped with clip and coupling shaft, described sealing telescopic cover is fixed on end cap and coupling shaft by clip.
Preferably, described steel ball is rounded respectively in the surrounding of coupling shaft, and quantity is no less than 8.
Preferably, described steel ball is middle high alloy steel abrasive resistant casting ball or low alloy steel abrasive resistant casting ball.
Preferably, described seal ring is natural rubber seal ring or PU polyurethane rubber seal circle.
Preferably, the right side of described bullet pad is provided with pad.
Compared with prior art, the beneficial effects of the utility model are: this Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling, by connecting plate and connecting sleeve integrally welded, sealing telescopic cover is fixed on end cap and coupling shaft by clip, connecting sleeve, coupling shaft is all through strict heat treatment, be positioned in the ball-and-socket of connecting rod bulb and the ball trough in semicircle of connecting sleeve steel ball free, can forward and oppositely moving freely, when driven end is subject to the moment of torsion of drive end transmission, steel ball free rotates, thus drive driven end to complete and require action, structure is simple, easily manufactured, long service life.
Accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is part sectioned view of the present utility model.
In figure: 1, connecting plate, 2, connecting sleeve, 3, steel ball, 4, positioning ring, 5, seal ring, 6, sealing telescopic cover, 7, clip, 8, coupling shaft, 9, screw, 10, bullet pad, 11, end cap, 12, pad.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technological scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.
Refer to Fig. 1-2, the utility model provides a kind of technological scheme: a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling, comprise connecting plate 1, the right side of described connecting plate 1 is welded with connecting sleeve 2, and the bottom of connecting sleeve 2 is provided with steel ball 3 and positioning ring 4, and the right side of steel ball 3 is provided with positioning ring 4, described steel ball 3 is rounded respectively in the surrounding of coupling shaft 8, and quantity is 8, described steel ball 3 is middle high alloy steel abrasive resistant casting ball, the right side of described connecting sleeve 2 is provided with end cap 11, and the joint of the end cap 11 of connecting sleeve 2 is provided with seal ring 5, described seal ring 5 is PU polyurethane rubber seal circle, the outer right wall of described end cap 11 is provided with screw 9, and the right side of screw 9 is provided with bullet pad 10, the right side of described bullet pad 10 is provided with pad 12, the effect of pad 12 makes screw 9 more firm, described end cap 11 is connected with connecting sleeve 2 by screw 9, the right side of described end cap 11 is provided with sealing telescopic cover 6, the top of described sealing telescopic cover 6 and bottom are respectively equipped with clip 7 and coupling shaft 8, described sealing telescopic cover 6 is fixed on end cap 11 and coupling shaft 8 by clip 7, by connecting plate 1 and connecting sleeve 2 integrally welded, connecting sleeve 2 and coupling shaft 8 are all through strict heat treatment, steel ball 3 is freely positioned in the ball-and-socket of connecting rod bulb and the ball trough in semicircle of connecting sleeve 2, can forward and oppositely moving freely, when driven end is subject to the moment of torsion of drive end transmission, steel ball 3 freely rotates, thus drive driven end to complete and require action.
By connecting plate 1 and connecting sleeve 2 integrally welded, sealing telescopic cover 6 is fixed on end cap 11 and coupling shaft 8 by clip 7, connecting sleeve 2 and coupling shaft 8 are all through strict heat treatment, steel ball 3 is freely positioned in the ball-and-socket of connecting rod bulb and the ball trough in semicircle of connecting sleeve 2, can forward and oppositely moving freely, when driven end is subject to the moment of torsion that drive end transmission comes, steel ball 3 freely rotates, thus driving driven end completes and requires action.
Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.
Claims (5)
1. a Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling, comprise connecting plate, it is characterized in that: the right side of described connecting plate is welded with connecting sleeve, and the bottom of connecting sleeve is provided with steel ball and positioning ring, and the right side of steel ball is provided with positioning ring, the right side of described connecting sleeve is provided with end cap, and the joint of the end cap of connecting sleeve is provided with seal ring, the outer right wall of described end cap is provided with screw, and the right side of screw is provided with bullet pad, described end cap is connected with connecting sleeve by screw, the right side of described end cap is provided with sealing telescopic cover, top and the bottom of described sealing telescopic cover are respectively equipped with clip and coupling shaft, described sealing telescopic cover is fixed on end cap and coupling shaft by clip.
2. a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling according to claim 1, is characterized in that: described steel ball is rounded respectively in the surrounding of coupling shaft, and quantity is no less than 8.
3. a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling according to claim 1, is characterized in that: described steel ball is middle high alloy steel abrasive resistant casting ball or low alloy steel abrasive resistant casting ball.
4. a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling according to claim 1, is characterized in that: described seal ring is natural rubber seal ring or PU polyurethane rubber seal circle.
5. a kind of Screw Pump of Oil Field Rzeppa type Hooks coupling universal coupling according to claim 1, is characterized in that: the right side of described bullet pad is provided with pad.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869635.5U CN205078635U (en) | 2015-10-29 | 2015-10-29 | Oil field screw pump ball cage universal joint |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520869635.5U CN205078635U (en) | 2015-10-29 | 2015-10-29 | Oil field screw pump ball cage universal joint |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205078635U true CN205078635U (en) | 2016-03-09 |
Family
ID=55431047
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520869635.5U Active CN205078635U (en) | 2015-10-29 | 2015-10-29 | Oil field screw pump ball cage universal joint |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205078635U (en) |
-
2015
- 2015-10-29 CN CN201520869635.5U patent/CN205078635U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |