CN213744582U - Universal joint assembly for single-screw pump - Google Patents
Universal joint assembly for single-screw pump Download PDFInfo
- Publication number
- CN213744582U CN213744582U CN202021323183.8U CN202021323183U CN213744582U CN 213744582 U CN213744582 U CN 213744582U CN 202021323183 U CN202021323183 U CN 202021323183U CN 213744582 U CN213744582 U CN 213744582U
- Authority
- CN
- China
- Prior art keywords
- universal joint
- support
- screw pump
- cross shaft
- installation cavity
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000009434 installation Methods 0.000 claims abstract description 11
- 230000008878 coupling Effects 0.000 claims abstract description 10
- 238000010168 coupling process Methods 0.000 claims abstract description 10
- 238000005859 coupling reaction Methods 0.000 claims abstract description 10
- 102000004315 Forkhead Transcription Factors Human genes 0.000 claims abstract description 3
- 108090000852 Forkhead Transcription Factors Proteins 0.000 claims abstract description 3
- 239000003921 oil Substances 0.000 claims description 6
- 239000010687 lubricating oil Substances 0.000 claims description 3
- 238000013016 damping Methods 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 2
- 239000002699 waste material Substances 0.000 abstract description 2
- 238000001816 cooling Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 5
- 230000035939 shock Effects 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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Abstract
The utility model discloses an universal joint assembly for a single screw pump, which is provided with two universal couplings, a cross shaft is arranged between the two universal couplings, both side edges of the cross shaft are provided with hemispherical supports, the end surface of a fork head of the universal coupling is provided with an installation cavity, a support part is arranged in the installation cavity, the top of the support part is provided with an arc inner groove, the hemispherical support is matched with the arc inner groove, the bottom of the installation cavity is provided with an adjusting groove, the inner wall of the adjusting groove is provided with threads, an adjusting bolt is arranged in the adjusting groove, and the top of the adjusting bolt is butted with the bottom of the support part, the utility model discloses an additional hemispherical support and a ball head support are arranged at the side edge of the cross shaft, the torque and the axial force are respectively born by the two parts, the bearing force of the universal joint can be greatly improved, the bottom of the ball head support is provided with an adjusting nut, when the ball head support and the cross shaft are mutually moved and worn, the adjusting bolt can be rotated to eliminate the gap, so that the device can be used for a long time, and the waste of resource materials is avoided.
Description
Technical Field
The utility model relates to a single screw pump correlation technique field specifically is a universal joint assembly for single screw pump.
Background
The single screw pump belongs to a rotor type displacement pump, and is characterized by that the screw and lining are mutually meshed to produce volume change in suction cavity and discharge cavity to transfer liquid. The main working components of the internal-meshing closed screw pump consist of a lining with a double-head spiral cavity and a single-head spiral screw rod meshed with the lining in a stator cavity;
the universal joint is one of the important parts of the single screw pump, and power rotates the screw through the universal joint. The universal joint is required to have large transmission torque, large axial thrust bearing capacity, long continuous working time and severe stress condition, and the stress is completely borne by the joint of the cross shaft and the universal joint when the universal joint rotates at present, so that the cross shaft and the universal joint are easily damaged, economic loss is brought to companies or enterprises, and certain danger is brought.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure can change the universal joint assembly that is used for single-screw pump of the single atress condition of universal joint and cross to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an universal joint assembly for single screw pump, is equipped with two universal joint, be equipped with the cross between two universal joint, cross both sides limit all is equipped with the hemisphere and supports, the installation cavity has all been seted up to universal joint's jaw terminal surface, be equipped with the support component in the installation cavity, the arc inner groovy has been seted up at the support component top, just the hemisphere support with the cooperation of arc inner groovy, the adjustment tank has been seted up to the installation cavity bottom, the adjustment tank inner wall is equipped with the screw thread, be equipped with adjusting bolt in the adjustment tank, just adjusting bolt top with the support component bottom is contradicted.
The support component adopts the bulb to support, just the bulb support with be equipped with the shock pad between the adjusting bolt, bear great axial impact force, the reducible impact vibration of shock pad and noise.
The cross shaft is characterized in that mounting grooves are formed in two side edges of the cross shaft, threads are arranged on the inner wall of each mounting groove, mounting columns are arranged on the hemispherical supporting planes, and the mounting columns are provided with threads matched with the threads on the inner walls of the mounting grooves.
The cross shaft is an eccentric cross shaft.
The universal coupling is characterized in that a rubber sheath is arranged on the surface of the universal coupling, lubricating oil is arranged in the rubber sheath, the effects of lubricating, cooling and noise reduction can be achieved, and the service life of the long universal coupling is prolonged.
The oil circuit is arranged on the side face of the fork head of the universal coupling and penetrates through the mounting cavity, so that the effects of lubrication, cooling and noise reduction can be achieved.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses an install the hemisphere additional at the cross side and support with the bulb, moment of torsion and axial force are undertaken respectively with two parts, can greatly improve universal joint bearing capacity, it is equipped with adjusting nut to support the bottom at the bulb, after the bulb supports and cross reciprocal movement wearing and tearing, produce the clearance, the bulb supports can not bear the axial force again, and when vibration and noise follow the increase, rotatable adjusting bolt eliminates the clearance, can increase of service life, avoid resource material's waste, be equipped with rubber sheath and oil circuit, can play the lubrication, the cooling, the effect of making an uproar falls, the life of the long universal joint of court.
Drawings
Fig. 1 is a cross-sectional view of the present invention;
fig. 2 is a partial cross-sectional view of the cross shaft of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
In the description of the present invention, it should be noted that the terms "vertical", "upper", "lower", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, "first," "second," "third," and "fourth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be further noted that, unless explicitly stated or limited otherwise, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected, mechanically connected, electrically connected, directly connected, connected through an intermediate medium, or connected to the inside of two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
As shown in fig. 1: the utility model provides a universal joint assembly for single screw pump is equipped with two universal joint 1, be equipped with cross 2 between two universal joint 1, cross 2 adopts eccentric cross, 2 both sides limit of cross all is equipped with hemisphere and supports 3, as shown in figure 2: the universal joint is characterized in that mounting grooves 201 are formed in two side edges of the cross shaft 2, threads are arranged on the inner wall of each mounting groove 201, a mounting column 301 is arranged on the plane of the hemispherical support 3, the mounting columns 301 are provided with threads which are matched with the threads on the inner wall of the mounting grooves 201, the cross shaft is of a detachable structure, so that a single universal joint fork can be reinforced as much as possible, larger torque can be borne, a lengthened cross shaft sleeve is used, larger contact stress can be borne compared with a traditional roller sleeve of a cross universal joint, mounting cavities 4 are formed in the end faces of fork heads of the universal coupling 1, supporting parts 5 are arranged in the mounting cavities 4, the supporting parts 5 are supported by ball heads, shock absorbing pads 9 are arranged between the ball head supports and the adjusting bolts 8, larger axial impact force is borne, shock absorbing pads can reduce impact vibration and noise, arc-shaped inner grooves 6 are formed in the tops of the supporting parts 5, just the hemisphere supports 3 with the cooperation of arc inner groovy 6 installs hemisphere support additional and bulb supports at the cross axle side, and moment of torsion and axial force are undertaken respectively with two parts, can greatly improve universal joint bearing capacity, adjustment tank 7 has been seted up to installation cavity 4 bottom, adjustment tank 7 inner wall is equipped with the screw thread, be equipped with adjusting bolt 8 in the adjustment tank 7, just adjusting bolt 8 top with 5 bottoms of support component are contradicted, universal joint 1 surface is equipped with rubber sheath 10, is equipped with lubricating oil in the rubber sheath 10, can play lubricated, cooling, the effect of making an uproar falls, the life of the long universal joint of court, oil circuit 11 has been seted up to universal joint 1's jaw side, just oil circuit 11 runs through to installation cavity 4 can play lubricated, cooling, the effect of making an uproar falls.
Claims (6)
1. A universal joint assembly for a single screw pump, characterized in that: be equipped with two universal joint (1), be equipped with cross (2) between two universal joint (1), cross (2) both sides limit all is equipped with hemisphere support (3), installation cavity (4) have all been seted up to the jaw terminal surface of universal joint (1), be equipped with in installation cavity (4) support component (5), arc inner groovy (6) have been seted up at support component (5) top, just hemisphere support (3) with arc inner groovy (6) cooperation, adjustment tank (7) have been seted up to installation cavity (4) bottom, adjustment tank (7) inner wall is equipped with the screw thread, be equipped with adjusting bolt (8) in adjustment tank (7), just adjusting bolt (8) top with support component (5) bottom is contradicted.
2. A gimbal assembly for a single-screw pump according to claim 1, in which: the supporting part (5) is supported by a ball head, and a damping pad (9) is arranged between the ball head support and the adjusting bolt (8).
3. A gimbal assembly for a single-screw pump according to claim 1, in which: cross axle (2) both sides limit all is equipped with mounting groove (201), mounting groove (201) inner wall is equipped with the screw thread, be equipped with erection column (301) on hemisphere support (3) plane, be equipped with the screw thread on erection column (301), with screw-thread fit on mounting groove (201) inner wall.
4. A gimbal assembly for a single-screw pump according to claim 1, in which: the cross shaft (2) adopts an eccentric cross shaft.
5. A gimbal assembly for a single-screw pump according to claim 1, in which: the surface of the universal coupling (1) is provided with a rubber sheath (10), and lubricating oil is arranged in the rubber sheath (10).
6. A gimbal assembly for a single-screw pump according to claim 1, in which: an oil way (11) is formed in the side face of a fork head of the universal coupling (1), and the oil way (11) penetrates through the mounting cavity (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323183.8U CN213744582U (en) | 2020-07-08 | 2020-07-08 | Universal joint assembly for single-screw pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021323183.8U CN213744582U (en) | 2020-07-08 | 2020-07-08 | Universal joint assembly for single-screw pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213744582U true CN213744582U (en) | 2021-07-20 |
Family
ID=76814746
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021323183.8U Expired - Fee Related CN213744582U (en) | 2020-07-08 | 2020-07-08 | Universal joint assembly for single-screw pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213744582U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142833A1 (en) * | 2022-01-28 | 2023-08-03 | 青岛极致创新科技有限公司 | Lightweight universal joint, spline fit pair, and transmission shaft |
-
2020
- 2020-07-08 CN CN202021323183.8U patent/CN213744582U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023142833A1 (en) * | 2022-01-28 | 2023-08-03 | 青岛极致创新科技有限公司 | Lightweight universal joint, spline fit pair, and transmission shaft |
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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 |
Granted publication date: 20210720 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |