CN205064270U - Novel plastics vacuum pump blade and vacuum pump - Google Patents
Novel plastics vacuum pump blade and vacuum pump Download PDFInfo
- Publication number
- CN205064270U CN205064270U CN201520700286.4U CN201520700286U CN205064270U CN 205064270 U CN205064270 U CN 205064270U CN 201520700286 U CN201520700286 U CN 201520700286U CN 205064270 U CN205064270 U CN 205064270U
- Authority
- CN
- China
- Prior art keywords
- vacuum pump
- wear
- end cap
- resisting
- pump vanes
- 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.)
- Active
Links
Abstract
The utility model discloses a plastics vacuum pump blade and have this vacuum pump blade's vacuum pump, new plastic vacuum pump blade include body and wear -resisting end cover, body one end is the arc tip, the wear -resisting end cover of other end connection, body and wear -resisting end cover contact jaw shape cooperate the joint and are in the same place. New plastic vacuum pump blade's wear -resisting end cover can slide in the blade main part, the wearing and tearing that can compensate length direction are and lower at length direction's required precision. In addition, its simple structure, reasonable, the easily production, the stable performance, long service life, it is with low costs, be fit for extensive industrial production.
Description
Technical field
The utility model relates to a kind of for the blade in vacuum pump, particularly but be not limited to be used in automobile application on.The utility model also relates to the vacuum pump with this vacuum pump vanes.
Background technique
Vacuum pump application, in service braking sytem system, uses rotating vane vacuum pump to provide negative pressure of vacuum for vacuum booster.When the rotor rotates, blade rotates along with rotor and passes rotor to keep fitting with shell body wall on its every one end, and the slot between blade and wall is sealed by oil film.Upon the rotation of the blade, produce vacuum, make gas enter in chamber by entrance, then this gas is discharged by outlet when blade rotary.
All all the time, be relative movement between inside blade and intracavity sidewall and rotor, if the excesssive gap between inside blade and intracavity sidewall and rotor, will leakage be caused, the sealing of vacuum pump can not be met and vacuumize the requirement of efficiency.Due to rubbing contact all the time between inside blade and vacuum pump intracavity sidewall and rotor, very easily wear and tear, along with the wearing and tearing of blade, frictional loss also constantly increases, the gap of blade and intracavity sidewall and rotor becomes greatly simultaneously, and cause sealing to reduce, whole efficiency reduces further.
Mostly existing blade is combined type, and the blade tip of the blade body and two band latches that can hold end latch by forms.In running, end relies on centrifugal force to be close to vacuum pump inner walls, completes sealing.Its medial end portions usually adopts wear-resisting material, because the high-abrasive material cost of end cap is far longer than blade body material, makes the cost of production of vacuum pump vanes very high, is unfavorable for industrial mass production.
Model utility content
Model utility object: in order to overcome above deficiency, the purpose of this utility model is to provide a kind of novel plastic vacuum pump vanes, and it is simple and reasonable for structure, is easy to produce, stable performance, long service life, and cost is low, is applicable to large-scale industrial production.The utility model also provides a kind of vacuum pump, and affiliated vacuum pump comprises vacuum pump vanes, the technique effect that this vacuum pump vanes has, and the vacuum pump comprising this vacuum pump vanes also should have identical technique effect.
Technological scheme: a kind of novel plastic vacuum pump vanes, comprises body and wear-resisting end cap, and described body one end is curved end, and the other end connects wear-resisting end cap, and described body and wear-resisting end cap contact jaw matching form close and be connected together.Novel plastic vacuum pump vanes described in the utility model is simple and reasonable for structure, is easy to produce.Because the cost of material of end cap is far longer than blade body, compared with two end caps, save the cost of an end cap.Therefore, described vacuum pump vanes cost is low, is applicable to large-scale industrial production.
Further, above-mentioned novel plastic vacuum pump vanes, inside, described body one end is provided with one group of chute, and it is convex that described wear-resisting end cap one end is provided with one group of cunning, and described chute and sliding convex form match, and slide convex can being free to slide in chute.The wear-resisting end cap of this blade can slide in blade body, therefore, it is possible to the wearing and tearing in compensating length direction.In addition, this structure is all-in-one-piece low in the ratio of precision of length direction, can reduce cost of production, is applicable to large-scale industrial production.
Further, above-mentioned novel plastic vacuum pump vanes, described body one end is also provided with fixed groove, and described wear-resisting end cap one end is also provided with fixing convex, and described fixed groove and fixing convex form match, and fixes convex can being connected in fixed groove.The edge contacted at the wear-resisting end cap of vacuum pump vanes is further provided with one group and fixes convex, can fixed groove on the body of clamping and vacuum pump vanes, in order to avoid slippage occurs for both, makes whole vacuum pump vanes stable performance.
Further, above-mentioned novel plastic vacuum pump vanes, described body and wear-resisting end cap are thermoplastic material or heat at the body of thermoset material and wear-resisting end cap.Body and wear-resisting end cap can according to demand, and select multiple different material, applicability is wide.
Further, above-mentioned novel plastic vacuum pump vanes, described body is the body of the polyphenyl thioether material of glass fiber reinforcement or the nylon material of fiberglass reinforced.Wherein body is the material that intensity is higher, but less demanding to wear resistance, adopts the polyphenyl thioether material of lower-cost glass fiber reinforcement or the nylon material of fiberglass reinforced, reduces manufacture cost.
Further, above-mentioned novel plastic vacuum pump vanes, described wear-resisting end cap is the wear-resisting end cap of carbon fiber reinforced polyetheretherketonematerials materials or carbon fiber reinforced nylon material.Further, wear-resisting end cap wear-resisting carbon fiber reinforced polyether-ether-ketone or carbon fiber reinforced nylon plastics are made, and increase the service life.Only adopt high-abrasive material at a side end, reduce cost of production, be applicable to large-scale industrial production.
Technique scheme can be found out, the utility model has following beneficial effect: vacuum pump vanes described in the utility model is simple and reasonable for structure, is easy to produce, and stable performance is low to required precision, long service life, and cost is low, is applicable to large-scale industrial production.
The vacuum pump that the utility model relates to, comprises vacuum pump vanes, and this vacuum pump vanes has above-mentioned technique effect, and the vacuum pump comprising this vacuum pump vanes also should have identical technique effect.
Accompanying drawing explanation
Fig. 1 is the structural representation of novel plastic vacuum pump vanes described in the utility model;
Fig. 2 is the structural representation with the vacuum pump of this novel plastic vacuum pump vanes described in the utility model.
In figure: 1 body, 2 wear-resisting end caps, 3 chutes, 4 sliding convex, 5 fixed grooves, 6 fixing convex, 7 rotors, 8 vacuum pumps.
Embodiment
Below in conjunction with the drawings and specific embodiments, illustrate the utility model further.
Embodiment 1
Novel plastic vacuum pump vanes as shown in Figure 1, comprises body 1 and wear-resisting end cap 2, and described body 1 one end is curved end, and the other end connects wear-resisting end cap 2, and described body 1 and wear-resisting end cap 2 contact jaw matching form close and be connected together.Wherein, described body 1 is the body 1 of the polyphenyl thioether material of the glass fiber reinforcement containing 40%.Described wear-resisting end cap 2 is the wear-resisting end cap 2 of the carbon fiber reinforced polyetheretherketonematerials materials containing 30%.Further, inside, described body 1 one end is provided with one group of chute 3, and described wear-resisting end cap 2 one end is provided with one group of cunning convex 4, and in the present embodiment, chute 3 and sliding convex 4 is 2.Described chute 3 and sliding convex 4 matching form close, and sliding convex 4 can be free to slide in chute 3.In addition, described body 1 one end is also provided with fixed groove 5, and described wear-resisting end cap 2 one end is also provided with fixing convex 6, in the present embodiment, and fixed groove 5 and fixing convex 6 is 2, respectively establishes 1 up and down.Described fixed groove 5 and fixing convex 6 matching form close, and fixing convex 6 can be connected in fixed groove 5.
During work, as shown in Figure 2, rotor 7 is with moving vane to rotate in vacuum pump 8, and vacuum pump vanes end and vacuum pump 8 housing keep Spielpassung, and the oil film that the gap between blade and vacuum pump housing is formed by lubricant oil seals.Upon the rotation of the blade, blade stablizes to-and-fro motion along blade body length direction in rotor 7.Along with blade rotary, produce vacuum, make gas enter in chamber by entrance, then this gas is discharged by outlet when blade rotary.When after use a period of time, body curved end, there are certain wearing and tearing in the non-abrasive end namely containing the polyphenyl thioether material of the glass fiber reinforcement of 40%.Now, the wear-resisting end cap 2 of blade can slide in blade body 1, therefore, it is possible to the wearing and tearing in compensating length direction, ensures the sealing of vacuum pump 8.
Embodiment 2
Novel plastic vacuum pump vanes as shown in Figure 1, comprises body 1 and wear-resisting end cap 2, and described body 1 one end is curved end, and the other end connects wear-resisting end cap 2, and described body 1 and wear-resisting end cap 2 contact jaw matching form close and be connected together.Wherein, described body 1 is the body 1 of the nylon material containing 30% fiberglass reinforced.Described wear-resisting end cap 2 is the wear-resisting end cap 2 of the carbon fiber reinforced nylon material containing 40%.Further, inside, described body 1 one end is provided with one group of chute 3, and described wear-resisting end cap 2 one end is provided with one group of cunning convex 4, and in the present embodiment, chute 3 and sliding convex 4 is 4.Described chute 3 and sliding convex 4 matching form close, and sliding convex 4 can be free to slide in chute 3.In addition, described body 1 one end is also provided with fixed groove 5, and described wear-resisting end cap 2 one end is also provided with fixing convex 6, in the present embodiment, and fixed groove 5 and fixing convex 6 is 2, respectively establishes 1 up and down.Described fixed groove 5 and fixing convex 6 matching form close, and fixing convex 6 can be connected in fixed groove 5.
During work, as shown in Figure 2, rotor 7 is with moving vane to rotate in vacuum pump 8, and vacuum pump vanes end and vacuum pump 8 housing keep Spielpassung, and the oil film that the gap between blade and vacuum pump housing is formed by lubricant oil seals.Upon the rotation of the blade, blade stablizes to-and-fro motion along blade body length direction in rotor 7.Along with blade rotary, produce vacuum, make gas enter in chamber by entrance, then this gas is discharged by outlet when blade rotary.When after use a period of time, body curved end, there are certain wearing and tearing in the non-abrasive end of the nylon material namely containing 30% fiberglass reinforced.Now, the wear-resisting end cap 2 of blade can slide in blade body 1, therefore, it is possible to the wearing and tearing in compensating length direction, ensures the sealing of vacuum pump 8.
The vacuum pump that the utility model relates to comprises vacuum pump vanes, and this vacuum pump vanes is the vacuum pump vanes described in above-mentioned either a program, and because vacuum pump vanes has above-mentioned technique effect, the vacuum pump comprising vacuum pump vanes also should have identical technique effect.
The above is only preferred implementation of the present utility model; it should be pointed out that for those skilled in the art, under the prerequisite not departing from the utility model principle; can also make some improvement, these improvement also should be considered as protection domain of the present utility model.
Claims (7)
1. a novel plastic vacuum pump vanes, it is characterized in that: comprise body (1) and wear-resisting end cap (2), described body (1) one end is curved end, and the other end connects wear-resisting end cap (2), and described body (1) and wear-resisting end cap (2) contact jaw matching form close and be connected together.
2. novel plastic vacuum pump vanes according to claim 1, it is characterized in that: described body (1) inside, one end is provided with one group of chute (3), described wear-resisting end cap (2) one end is provided with one group of cunning convex (4), described chute (3) and sliding convex (4) matching form close, and sliding convex (4) can be free to slide in chute (3).
3. novel plastic vacuum pump vanes according to claim 2, it is characterized in that: described body (1) one end is also provided with fixed groove (5), described wear-resisting end cap (2) one end is also provided with fixing convex (6), described fixed groove (5) and fixing convex (6) matching form close, and fixing convex (6) can be connected in fixed groove (5).
4. novel plastic vacuum pump vanes according to claim 3, is characterized in that: the body (1) that described body (1) and wear-resisting end cap (2) are thermoplastic material or thermosets and wear-resisting end cap (2).
5. novel plastic vacuum pump vanes according to claim 4, is characterized in that: the body (1) of the polyphenyl thioether material that described body (1) is glass fiber reinforcement or the nylon material of fiberglass reinforced.
6. novel plastic vacuum pump vanes according to claim 4, is characterized in that: the wear-resisting end cap (2) that described wear-resisting end cap (2) is carbon fiber reinforced polyetheretherketonematerials materials or carbon fiber reinforced nylon material.
7. a vacuum pump, comprises the vacuum pump vanes with inserts, it is characterized in that, described vacuum pump vanes is the vacuum pump vanes with inserts described in any one of claim 1-6.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700286.4U CN205064270U (en) | 2015-09-11 | 2015-09-11 | Novel plastics vacuum pump blade and vacuum pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520700286.4U CN205064270U (en) | 2015-09-11 | 2015-09-11 | Novel plastics vacuum pump blade and vacuum pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205064270U true CN205064270U (en) | 2016-03-02 |
Family
ID=55390833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520700286.4U Active CN205064270U (en) | 2015-09-11 | 2015-09-11 | Novel plastics vacuum pump blade and vacuum pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205064270U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156324A (en) * | 2015-09-11 | 2015-12-16 | 裕克施乐塑料制品（太仓）有限公司 | Novel plastic vacuum pump blade and vacuum pump |
| CN106704196A (en) * | 2017-01-23 | 2017-05-24 | 世特科汽车工程产品（常州）有限公司 | Vacuum pump blade and manufacturing method and device |
| CN109404241A (en) * | 2018-12-06 | 2019-03-01 | 机械科学研究总院（将乐）半固态技术研究所有限公司 | A kind of radial plunger pump |
| CN111255685A (en) * | 2020-02-10 | 2020-06-09 | 嘉兴学院 | Sliding vane type air compressor |
-
2015
- 2015-09-11 CN CN201520700286.4U patent/CN205064270U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105156324A (en) * | 2015-09-11 | 2015-12-16 | 裕克施乐塑料制品（太仓）有限公司 | Novel plastic vacuum pump blade and vacuum pump |
| CN105156324B (en) * | 2015-09-11 | 2018-09-04 | 裕克施乐塑料制品（太仓）有限公司 | A kind of novel plastic vacuum pump vanes and vacuum pump |
| CN106704196A (en) * | 2017-01-23 | 2017-05-24 | 世特科汽车工程产品（常州）有限公司 | Vacuum pump blade and manufacturing method and device |
| CN109404241A (en) * | 2018-12-06 | 2019-03-01 | 机械科学研究总院（将乐）半固态技术研究所有限公司 | A kind of radial plunger pump |
| CN109404241B (en) * | 2018-12-06 | 2019-12-27 | 机械科学研究总院（将乐）半固态技术研究所有限公司 | Radial plunger pump |
| CN111255685A (en) * | 2020-02-10 | 2020-06-09 | 嘉兴学院 | Sliding vane type air compressor |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN205064270U (en) | Novel plastics vacuum pump blade and vacuum pump | |
| CN105156324A (en) | Novel plastic vacuum pump blade and vacuum pump | |
| CN205064269U (en) | Vacuum pump blade and vacuum pump that contain spring | |
| CN205260308U (en) | Lobe pump | |
| CN204851644U (en) | Deformable vacuum pump blade of tip and vacuum pump | |
| CN205078448U (en) | Take vacuum pump blade and vacuum pump of oil groove | |
| CN205687236U (en) | Conveying roller | |
| CN210715935U (en) | Novel split type combined seal | |
| CN105114307A (en) | Vacuum pump blade containing spring and vacuum pump | |
| CN205025762U (en) | Vacuum pump blade and vacuum pump with inserts | |
| CN105090035A (en) | Vacuum pump blade with oil grooves and vacuum pump | |
| CN205744432U (en) | A kind of pneumatics assembly of vortex air compressor machine | |
| CN105020141A (en) | Vacuum pump blade with deformable ends and vacuum pump | |
| CN206329497U (en) | A kind of preposition booster pump of end odd test | |
| CN205677824U (en) | Single sliding vane rotary displacement pump | |
| CN209385641U (en) | A kind of mixing machine pneumostop sub-assembly | |
| CN204610283U (en) | The blade structure of vacuum pump | |
| CN220702297U (en) | Anti-blocking flexible air closer device | |
| CN203412758U (en) | Blades of direct-current electric refueling pump | |
| CN205117660U (en) | Integral type PTFE piston | |
| CN203835722U (en) | High-pumping-speed rotary vane type vacuum pump cavity structure | |
| CN204922151U (en) | Big lid of rotary valve seals packing | |
| CN107120306B (en) | A kind of sealing structure and the blower using the sealing structure | |
| CN217732008U (en) | Novel pneumatic material conveying discharge valve | |
| CN202545824U (en) | Novel sealing device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |