TWM500160U - Gear pump - Google Patents
Gear pump Download PDFInfo
- Publication number
- TWM500160U TWM500160U TW103220601U TW103220601U TWM500160U TW M500160 U TWM500160 U TW M500160U TW 103220601 U TW103220601 U TW 103220601U TW 103220601 U TW103220601 U TW 103220601U TW M500160 U TWM500160 U TW M500160U
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- Taiwan
- Prior art keywords
- pump
- gear
- rolling
- bearing
- pinion
- Prior art date
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- 238000005096 rolling process Methods 0.000 claims description 47
- 230000000694 effects Effects 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000009432 framing Methods 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rolling Contact Bearings (AREA)
- Rotary Pumps (AREA)
Description
本創作係與泵有關,特別是指一種齒輪泵。This creation is related to pumps, especially a gear pump.
習知齒輪泵,其泵組的軸孔與齒輪組的齒軸之間使用襯套接設;由於側向推力大,襯套的內緣及齒輪組的齒軸外周容易磨耗,必須常更換,不但減少可操作運轉的時間,也較浪費零件。The conventional gear pump uses a bushing between the shaft hole of the pump set and the pinion of the gear set; since the lateral thrust is large, the inner edge of the bushing and the outer circumference of the gear shaft of the gear set are easily worn, and must be frequently replaced. Not only reduces the time of operation, but also wastes parts.
因此,已知齒輪泵的缺失仍然有待改進。Therefore, it is known that the loss of the gear pump still needs to be improved.
有鑑於此,本創作之主要目的在於提供一種齒輪泵,其可增進泵組的軸孔與齒輪組的齒軸之間的轉動效益,由滑動接觸轉為滾動接觸,進而減少摩擦力並減少零件磨耗,增加使用的時間,減少更換頻率,及降低驅動電流,達到節能省碳的效益。In view of this, the main purpose of the present invention is to provide a gear pump which can improve the rotation benefit between the shaft hole of the pump set and the pinion of the gear set, and is changed from a sliding contact to a rolling contact, thereby reducing friction and reducing parts. Wear, increase the time of use, reduce the frequency of replacement, and reduce the drive current to achieve energy saving and carbon saving benefits.
為達成上述目的,本創作提供一種齒輪泵,包含有一泵組,具有一容室,兩第一軸孔,兩第二軸孔;一第一齒輪組,具有一齒輪設於該泵組的容室並接設有兩齒軸,該齒軸穿設於該泵組的第一軸孔;一第二齒輪組,具有一齒輪設於該泵組的容室並接設有兩齒軸,該齒軸穿設於該泵組的第二軸孔;該泵組的第一軸孔與該第一齒輪組的齒軸之間裝設有一滾動軸承,該泵組的第二軸孔與該第二齒輪組的齒軸之間裝設有一滾動軸承,該滾動軸承具有多個滾動元件。In order to achieve the above object, the present invention provides a gear pump comprising a pump set having a chamber, two first shaft holes, and two second shaft holes; a first gear set having a gear disposed on the pump set a two-toothed shaft is connected to the first shaft hole of the pump set; a second gear set has a gear disposed in the chamber of the pump set and two toothed shafts are connected thereto. a pinion shaft is disposed in the second shaft hole of the pump set; a rolling bearing is disposed between the first shaft hole of the pump set and the pinion shaft of the first gear set, and the second shaft hole of the pump set and the second A rolling bearing is mounted between the pinions of the gear set, the rolling bearing having a plurality of rolling elements.
藉由滾動軸承的滾動元件可滾動接觸該第一齒輪組的齒 軸,及滾動軸承的滾動元件可滾動接觸該第二齒輪組的齒軸,即可以滾動減少磨擦,進而減少摩擦力並減少零件磨耗,增加使用的時間,減少更換頻率,及降低驅動電流,達到節能省碳的效益。Rolling contact with the teeth of the first gear set by rolling elements of the rolling bearing The rolling elements of the shaft and the rolling bearing can rollly contact the pinion of the second gear set, that is, the rolling can reduce the friction, thereby reducing the friction and reducing the wear of the parts, increasing the use time, reducing the frequency of replacement, and reducing the driving current, thereby achieving energy saving. The benefits of carbon saving.
有關本創作所提供之齒輪泵的詳細構造及特點,將於後續的實施方式中予以詳盡描述。然而,本技術領域中具有通常知識者理應瞭解,該等詳細說明以及實施本創作所列舉的特定實施例,僅用於說明本創作,並非用以限制本創作的專利申請範圍。The detailed construction and characteristics of the gear pump provided by this creation will be described in detail in the subsequent embodiments. However, it should be understood by those of ordinary skill in the art that the detailed description and the specific embodiments set forth in the present invention are only used to illustrate the present invention and are not intended to limit the scope of the patent application.
(4)‧‧‧前泵蓋(4) ‧‧‧ front pump cover
(6)‧‧‧後泵蓋(6) ‧‧‧ rear pump cover
(9)‧‧‧泵體(9) ‧‧‧ pump body
(10)‧‧‧泵組(10) ‧‧‧ pump sets
(12)‧‧‧容室(12) ‧ ‧ ‧ room
(13)‧‧‧第一軸孔(13)‧‧‧First shaft hole
(14)‧‧‧第二軸孔(14)‧‧‧Second shaft hole
(30)‧‧‧第一齒輪組(30)‧‧‧First gear set
(31)‧‧‧齒輪(31)‧‧‧ Gears
(32)‧‧‧齒軸(32)‧‧‧rings
(40)‧‧‧第二齒輪組(40)‧‧‧Second gear set
(41)‧‧‧齒輪(41)‧‧‧ Gears
(42)‧‧‧齒軸(42)‧‧‧rings
(50)‧‧‧滾動軸承(50)‧‧‧ rolling bearings
(51)‧‧‧保持環(51) ‧ ‧ retaining ring
(52)‧‧‧滾動元件(52) ‧‧‧ rolling elements
(53)‧‧‧外環(53) ‧ ‧ outer ring
第1圖為本創作一較佳實施例的一組合剖視圖。BRIEF DESCRIPTION OF THE DRAWINGS Figure 1 is a cross-sectional view of a combination of a preferred embodiment of the present invention.
第2圖為本創作一較佳實施例另一組合剖視圖。Figure 2 is a cross-sectional view of another combination of a preferred embodiment of the present invention.
第3圖本創作一較佳實施例滾動軸承分解圖。Figure 3 is an exploded view of a rolling bearing of a preferred embodiment.
申請人首先在此說明,於通篇說明書中所指之內、外、上、下等有關方向性的形容詞,皆是以本創作圖式中的方向為基準。The Applicant first explains here that the adjectives related to directionality, such as internal, external, upper and lower, as referred to in the entire specification, are based on the direction in the original drawing.
以下將藉由所列舉之實施例配合隨附之圖式,詳細說明本創作的技術內容及特徵,其中:如第1圖至第4圖所示,本創作一較佳實施例之齒輪泵,包含有:The technical contents and features of the present invention will be described in detail below by using the illustrated embodiments in conjunction with the accompanying drawings, wherein: as shown in FIGS. 1 to 4, a gear pump of a preferred embodiment is created. Contains:
一泵組(10),至少包含泵蓋與泵體(9),具有一容室(12),兩第一軸孔(13)同軸且同孔徑,兩第二軸孔(14)同軸且同孔徑。本實施例中,該第一軸孔(13)與第二軸孔(14)係相互平行。所述泵蓋包括分別連接於泵體(9)兩側的前泵蓋(4)和後泵蓋(6)。A pump set (10), comprising at least a pump cover and a pump body (9), has a chamber (12), the two first shaft holes (13) are coaxial and have the same aperture, and the two second shaft holes (14) are coaxial and identical Aperture. In this embodiment, the first shaft hole (13) and the second shaft hole (14) are parallel to each other. The pump cover includes a front pump cover (4) and a rear pump cover (6) that are respectively coupled to both sides of the pump body (9).
一第一齒輪組(30),具有一齒輪(31)設於該泵組(10)的容室(12)並接設有兩齒軸(32),該齒軸(32)穿設於該泵組(10)的第一軸孔(13)。a first gear set (30) having a gear (31) disposed in the chamber (12) of the pump set (10) and coupled with two pinion shafts (32), the pinion shaft (32) being disposed therein The first shaft hole (13) of the pump set (10).
一第二齒輪組(40),具有一齒輪(41)設於該泵組(10)的容室(12)並接設有兩齒軸(42),該齒軸(42)穿設於該泵組(10)的第二軸孔(14)。a second gear set (40) having a gear (41) disposed in the chamber (12) of the pump unit (10) and coupled with two pinion shafts (42), the pinion shaft (42) being disposed therein The second shaft hole (14) of the pump set (10).
即,所述前泵蓋(4)和後泵蓋(6)中設置用於使齒軸(32)(42)穿過的軸孔(13)(14)。That is, shaft holes (13) (14) for passing the pinion (32) (42) are provided in the front pump cover (4) and the rear pump cover (6).
該泵組(10)的第一軸孔(13)與該第一齒輪組(30)的齒軸(32)之間裝設有一滾動軸承(50),該泵組(10)的第二軸孔(14)與該第二齒輪組(40)的齒軸(42)之間裝設有一滾動軸承(50)。所述滾動軸承(50)安裝於所述軸孔(13)(14)內,所述滾動軸承(50)的內圈套在所述齒軸(32)(42)外壁。A rolling bearing (50) is mounted between the first shaft hole (13) of the pump set (10) and the pinion (32) of the first gear set (30), and the second shaft hole of the pump set (10) (14) A rolling bearing (50) is mounted between the pinion (42) of the second gear set (40). The rolling bearing (50) is mounted in the shaft hole (13) (14), and an inner ring of the rolling bearing (50) is sleeved on an outer wall of the pinion (32) (42).
於本實施例中,該滾動軸承(50)係為一滾針軸承,各具有一保持環(51)支持滾動元件(52),多個滾動元件(52)即滾針設於該保持環(51),以及一外環(53)其內緣承接該滾動元件(52),該外環(53)框設住該滾動元件(52)的外緣及側緣;另外,該外環(53)的外緣塞接於該泵組(10)的第一軸孔(13)內緣與第二軸孔(14)內緣。In this embodiment, the rolling bearing (50) is a needle bearing, each having a retaining ring (51) supporting a rolling element (52), and a plurality of rolling elements (52), that is, needles are disposed on the retaining ring (51). And an outer ring (53) having an inner edge receiving the rolling element (52), the outer ring (53) framing the outer edge and the side edge of the rolling element (52); in addition, the outer ring (53) The outer edge is plugged to the inner edge of the first shaft hole (13) of the pump set (10) and the inner edge of the second shaft hole (14).
本實施例之作動說明及其效果,玆說明如下:該第一齒輪組(30)係主動傳動帶動該第二齒輪組(40)轉動,將低壓室的油液轉動壓縮傳到高壓室;因此,第一齒輪組(30)的齒軸(32)與第二齒輪組(40)的齒軸(42)均會受到壓力分別抵於該泵組(10)的第一軸孔(13)及第二軸孔(14)的一側。The operation description and the effect of the embodiment are as follows: the first gear set (30) is driven by the active gear to rotate the second gear set (40), and the oil in the low pressure chamber is compressed and transmitted to the high pressure chamber; The pinion (32) of the first gear set (30) and the pinion (42) of the second gear set (40) are respectively pressed against the first shaft hole (13) of the pump set (10) and One side of the second shaft hole (14).
此時,藉由本創作滾動接觸概念,由滾針的滾動接觸將受力轉移至每個滾針,可降低摩擦力,提高軸承壽命,降低驅動電流。At this time, with the concept of the rolling contact of the creation, the rolling contact of the needle roller transfers the force to each needle roller, which can reduce the friction force, improve the bearing life, and reduce the driving current.
除了前述的實施方式之外,本創作亦可任意搭配或替換實施以下各種態樣:例如,其中所述滾針軸承是衝壓外圈型滾針軸承、帶有滾針保持架元件的滾針軸承、車削型滾針軸承或者附帶分離型保持架滾針軸承。In addition to the foregoing embodiments, the present invention can also be arbitrarily matched or replaced to implement the following various aspects: for example, wherein the needle bearing is a drawn outer ring type needle bearing, a needle bearing with a needle retainer element. , Turned needle roller bearings or needle roller bearings with separate cages.
再者,該各滾動軸承(50)亦包括滾針軸承,還包括滾柱軸承及滾珠軸承;另軸承之名詞不限定,襯套亦可為等同,即或可稱滾針襯套、滾柱襯套及滾珠襯套。Furthermore, the rolling bearings (50) also include needle bearings, and also include roller bearings and ball bearings; the terms of the other bearings are not limited, and the bushings may be equivalent, that is, they may be referred to as needle bushings, roller linings. Set and ball bushing.
以及,兩側的滾動軸承(50)均設有兩組並列,可更增加其所述各種功效的效果。Moreover, the rolling bearings (50) on both sides are provided with two sets of juxtaposition, which can further increase the effects of the various effects described above.
以上所述的任何實施態樣均可一者或多者互相搭配使用,均可達成本創作之目的。Any of the above-described embodiments can be used in combination with one or more of them, and the purpose of the present invention can be achieved.
綜合前述,本創作齒輪泵,藉由滾動軸承的滾動元件可滾動接觸該第一齒輪組的齒軸,及滾動軸承的滾動元件可滾動接觸該第二齒輪組的齒軸,即可以滾動減少磨擦,可增進泵組的軸孔與齒輪組的齒軸之間的轉動效果,減少零件磨耗,增加使用的時間,減少更換頻率,因此確實達成本創作之目的。In summary, the present inventive gear pump can rollably contact the pinion of the first gear set by the rolling elements of the rolling bearing, and the rolling elements of the rolling bearing can rollly contact the pinion of the second gear set, that is, the rolling can be reduced to reduce friction. The rotation effect between the shaft hole of the pump set and the pinion of the gear set is improved, the wear of the parts is reduced, the use time is increased, and the frequency of replacement is reduced, so the purpose of the creation is indeed achieved.
(4)‧‧‧前泵蓋(4) ‧‧‧ front pump cover
(6)‧‧‧後泵蓋(6) ‧‧‧ rear pump cover
(9)‧‧‧泵體(9) ‧‧‧ pump body
(10)‧‧‧泵組(10) ‧‧‧ pump sets
(12)‧‧‧容室(12) ‧ ‧ ‧ room
(13)‧‧‧第一軸孔(13)‧‧‧First shaft hole
(14)‧‧‧第二軸孔(14)‧‧‧Second shaft hole
(30)‧‧‧第一齒輪組(30)‧‧‧First gear set
(31)‧‧‧齒輪(31)‧‧‧ Gears
(32)‧‧‧齒軸(32)‧‧‧rings
(40)‧‧‧第二齒輪組(40)‧‧‧Second gear set
(41)‧‧‧齒輪(41)‧‧‧ Gears
(42)‧‧‧齒軸(42)‧‧‧rings
(50)‧‧‧滾動軸承(50)‧‧‧ rolling bearings
Claims (9)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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TW103220601U TWM500160U (en) | 2014-11-20 | 2014-11-20 | Gear pump |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
TW103220601U TWM500160U (en) | 2014-11-20 | 2014-11-20 | Gear pump |
Publications (1)
Publication Number | Publication Date |
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TWM500160U true TWM500160U (en) | 2015-05-01 |
Family
ID=53721970
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
TW103220601U TWM500160U (en) | 2014-11-20 | 2014-11-20 | Gear pump |
Country Status (1)
Country | Link |
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TW (1) | TWM500160U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105090258A (en) * | 2015-08-04 | 2015-11-25 | 广州泰旺精密机械有限公司 | Rolling bearing structure of gear pump and gear pump |
-
2014
- 2014-11-20 TW TW103220601U patent/TWM500160U/en not_active IP Right Cessation
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105090258A (en) * | 2015-08-04 | 2015-11-25 | 广州泰旺精密机械有限公司 | Rolling bearing structure of gear pump and gear pump |
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