WO2020220841A1 - 榨油机动力输出机构及其榨油机 - Google Patents

榨油机动力输出机构及其榨油机 Download PDF

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Publication number
WO2020220841A1
WO2020220841A1 PCT/CN2020/079006 CN2020079006W WO2020220841A1 WO 2020220841 A1 WO2020220841 A1 WO 2020220841A1 CN 2020079006 W CN2020079006 W CN 2020079006W WO 2020220841 A1 WO2020220841 A1 WO 2020220841A1
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WIPO (PCT)
Prior art keywords
thrust bearing
output shaft
oil press
bearing
transmission
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PCT/CN2020/079006
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English (en)
French (fr)
Inventor
李文华
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深圳美香创新电器有限公司
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Priority claimed from CN201910360249.6A external-priority patent/CN110107676B/zh
Priority claimed from CN201920613380.4U external-priority patent/CN210135218U/zh
Application filed by 深圳美香创新电器有限公司 filed Critical 深圳美香创新电器有限公司
Publication of WO2020220841A1 publication Critical patent/WO2020220841A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B30—PRESSES
    • B30B—PRESSES IN GENERAL
    • B30B9/00—Presses specially adapted for particular purposes
    • B30B9/02—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material
    • B30B9/12—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing
    • B30B9/14—Presses specially adapted for particular purposes for squeezing-out liquid from liquid-containing material, e.g. juice from fruits, oil from oil-containing material using pressing worms or screws co-operating with a permeable casing operating with only one screw or worm
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/021—Shaft support structures, e.g. partition walls, bearing eyes, casing walls or covers with bearings
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/02—Gearboxes; Mounting gearing therein
    • F16H57/029—Gearboxes; Mounting gearing therein characterised by means for sealing the gearboxes, e.g. to improve airtightness

Definitions

  • the invention relates to a technical solution in the field of oil pressing, in particular to a power output mechanism of an oil press and an oil press.
  • the purpose of the present invention is to provide a power output mechanism of an oil press and an oil press, and the existing oil press is prone to the problem of food contamination.
  • the present invention provides a power output mechanism of an oil press, which includes a transmission, an oil pressing rod and a thrust bearing.
  • the transmission is provided with an output shaft connection and a transmission gear set.
  • the output shaft connection is in a transmission connection
  • the transmission gear set is used to obtain power to drive the output shaft connection to rotate
  • the output shaft connection is connected to the oil press rod
  • the thrust bearing is arranged at Inside the transmission, the thrust bearing is arranged coaxially with the output shaft connection, and in the axial direction of the output shaft connection, the thrust bearing is used to restrict the output shaft connection from being placed on the Depth inside the transmission.
  • a positioning hole is provided inside the transmission, a ball bearing is installed in the positioning hole, and one end of the output shaft connector passes through the ball bearing and is placed in the positioning hole.
  • the thrust bearing is arranged in the positioning hole, the thrust bearing is arranged between the bottom of the positioning hole and the ball bearing, and the output shaft connects through the ball bearing and the thrust The bearing surface of the bearing abuts.
  • the thrust bearing is sleeved on the output shaft connector, the thrust bearing is connected and fixed with the output shaft connector; the ball bearing is arranged between the bottom of the positioning hole and the thrust bearing, The ball bearing abuts against the force receiving surface of the thrust bearing.
  • a blocking member is provided on the outer peripheral side of the output shaft connection member, the thrust bearing and the ball bearing are both provided between the blocking member and the bottom of the positioning hole, and the blocking member is used to achieve The ball bearing abuts on the force receiving surface of the thrust bearing.
  • the thrust bearing is arranged in the positioning hole, the ball bearing is clamped between the thrust bearing and the blocking member, and the ball bearing abuts against the force receiving surface of the thrust bearing.
  • the thrust bearing is sleeved on the output shaft connecting member, the thrust bearing is clamped between the ball bearing and the blocking member, and the bearing surface of the thrust bearing abuts against the ball bearing .
  • the transmission gear set includes an output gear, the output gear is sleeved on the output shaft connecting member, the output gear is fixedly connected with the output shaft connecting member, and the output gear is the blocking member.
  • the present invention also provides an oil press, including the above-mentioned power output mechanism of the oil press.
  • this solution changes the thrust bearing to Inside the transmission, the thrust bearing will be in a completely enclosed space, that is, the oil on the thrust bearing cannot penetrate into the oil pressing cavity of the oil press, which provides an important guarantee for the safety and sanitation of food materials.
  • Fig. 1 is a schematic structural diagram provided by a preferred embodiment of a power output mechanism of an oil press of the present invention
  • FIG. 2 is a schematic diagram of the disassembled structure provided by the preferred embodiment of the power output mechanism of the oil press of the present invention
  • FIG. 3 is a schematic diagram of the first thrust bearing arrangement provided by the preferred embodiment of the power output mechanism of the oil press of the present invention
  • FIG. 4 is a schematic diagram of a second thrust bearing arrangement provided by the preferred embodiment of the power output mechanism of the oil press of the present invention.
  • FIG. 5 is a schematic diagram of a third thrust bearing arrangement provided by a preferred embodiment of the power output mechanism of the oil press of the present invention.
  • FIG. 6 is a schematic diagram of a fourth thrust bearing arrangement provided by a preferred embodiment of the power output mechanism of the oil press of the present invention.
  • Fig. 7 is a schematic diagram of the structure provided by the preferred embodiment of the oil press of the present invention.
  • the power output mechanism of the oil press includes a transmission 1, an oil press rod 2 and a thrust bearing 3.
  • the transmission 1 is provided with a transmission gear set 11 and an output shaft connection. 12.
  • the transmission gear set 11 is in transmission connection with the output shaft connection 12, and the transmission gear set 11 is used to obtain power to drive the output shaft connection 12 to rotate, and the output shaft connection 12 is connected to the press
  • the oil rod 2 is connected, the thrust bearing 3 is arranged inside the transmission 1, and the thrust bearing 3 is arranged coaxially with the output shaft connector 12, and in the axial direction of the output shaft connector 12,
  • the thrust bearing 3 is used to limit the depth at which the output shaft connector 12 is placed in the transmission 1.
  • variable speed gear set 11 will be connected and fixed with the motor to obtain input power. Since the speed of the oil press rod 2 is generally low, under the action of the variable speed gear set 11, the high-speed rotation of the motor will become the output shaft connection. The low-speed rotation of the member 12 is based on the direction shown in Figures 1 and 2. Since the thrust bearing 3 will block the output shaft connector 12 on the left side, the output shaft connector 12 cannot continue to move into the transmission 1. Therefore, the depth at which the output shaft connector 12 is placed in the transmission 1 is limited.
  • this solution changes the thrust bearing 3 to be arranged inside the transmission 1, so the thrust bearing 3 will be in a completely enclosed space, that is, the oil on the thrust bearing 3 cannot penetrate into the oil press cavity of the oil press , which provides an important guarantee for the safety and hygiene of food materials.
  • a ball bearing 4 can be added to support the output shaft connection 12 to reduce friction during the rotation of the output shaft connection 12, and a preferred setting method can be as As shown in Figures 1 and 2, the transmission 1 is provided with a positioning hole 13 in which a ball bearing 4 is installed, and one end of the output shaft connector 12 passes through the ball bearing 4 and is placed In the positioning hole 13; of course, the ball bearing 4 can not only be installed at one end of the output shaft connector 12, in order to maintain the balance of the forces at both ends of the output shaft connector 12, it can also be installed at both ends of the output shaft connector 12 Install the ball bearing 4.
  • the thrust bearing 3 is used to limit the depth at which the output shaft connector 12 is placed in the transmission 1.
  • the thrust bearing 3 can be arranged in many different ways, which can be the thrust bearing 3 and the output shaft.
  • the connecting parts 12 directly or indirectly abut to realize the limit, or the thrust bearing 3 is connected and fixed with the output shaft connecting part 12, and the limit is matched with other parts, as follows:
  • the first arrangement is shown in Figure 3, the thrust bearing 3A is arranged in the positioning hole 13A, and the thrust bearing 3A is arranged between the bottom of the positioning hole 13A and the ball bearing 4A, so The output shaft connector 12 passes through the ball bearing 4A and abuts against the force receiving surface of the thrust bearing 3A.
  • the positioning hole 13A is now a stepped hole with two apertures.
  • the hole on the left is smaller, and the hole on the right is larger; and the thrust bearing 3A is installed in the positioning hole.
  • the bearing surface of the thrust 3A bearing is set to the right in the small hole position of 13A, the ball bearing 4A is installed in the large hole position of the positioning hole 13A, and the output shaft connector 12 passes through the ball bearing 4A and the thrust bearing 3.
  • the force-receiving surface abuts, under the block of the thrust bearing 3A, the output shaft connector 12 cannot move to the left, that is, the insertion depth of the output shaft connector 12 is limited.
  • the second arrangement is shown in Figure 4, the thrust bearing 3B is sleeved on the output shaft connector 12, and the thrust bearing 3B is connected and fixed to the output shaft connector 12; the ball bearing 4B is installed on the Between the bottom of the positioning hole 13B and the thrust shaft 3B bearing, the ball bearing 4B abuts against the force receiving surface of the thrust bearing 3B.
  • the ball bearing 4B is installed in the large-aperture hole position of the positioning hole 13B, and the left side of the thrust bearing 3B is its bearing surface. Because the thrust bearing 3B is connected and fixed with the output shaft connector 12, Therefore, when the output shaft connector 12 moves to the left, the thrust bearing 3B will also move to the left until the bearing surface of the thrust bearing 3B abuts the right side of the ball bearing 4B, and the thrust bearing 3B and the ball bearing 4B The abutment limits the movement of the output shaft connector 12, that is, the insertion depth of the output shaft connector 12 is limited.
  • a stopper 5 can be provided on the outer peripheral side of the output shaft connector 12, and the thrust bearings 3C, 3D and the ball shafts 4C, 4D are all provided on the Between the stopper 5 and the bottom of the positioning holes 13C, 13D, the stopper 5 is used to realize the contact of the bearing surfaces of the ball bearings 4C, 4D and the thrust bearings 3C, 3D: that is, the balls are used Bearings 4C, 4D and thrust bearings 3C, 3D are in contact with the force-receiving surfaces to limit the movement of the output shaft connector 12. At this time, the ball bearings 4C, 4D and thrust bearings 3C, 3D are arranged in at least the following ways .
  • the third arrangement is shown in Figure 5, the thrust bearing 3C is arranged in the positioning hole 13C, the ball bearing 4C is clamped between the thrust bearing 3C and the blocking member 5, and the ball The bearing 4C is in contact with the force receiving surface of the thrust bearing 3C.
  • the thrust bearing 3C is installed in the small hole position of the positioning hole 13C, and the force bearing surface of the thrust bearing 3C is set to the right, and the ball bearing 4C is installed in the large hole position of the positioning hole 13C ,
  • the blocking member 5 is placed on the right side of the ball bearing 4C; since the blocking member 5 is connected and fixed to the output shaft connector 12, when the output shaft connector 12 moves to the left, the blocking member 5 will move left together until the blocking member 5 Abut the ball bearing 4C and push the bearing surface of the ball bearing 4C to abut the thrust bearing 3C.
  • the contact between the thrust bearing 3C and the ball bearing 4C restricts the movement of the output shaft connector 12, that is, restricts the output shaft connection Insertion depth of piece 12.
  • the right side of the thrust bearing 3C can be set to slightly protrude beyond the small hole position of the positioning hole 13C, in order to facilitate the contact between the ball bearing 4C and the stopper 5.
  • the right side of the ball bearing 4C can be set to slightly protrude beyond the large-diameter hole of the positioning hole 13C.
  • the fourth arrangement is shown in Fig. 6, the thrust bearing 3D is sleeved on the output shaft connector 12, and the thrust bearing 3D is clamped between the ball bearing 4D and the blocking member 5. The force receiving surface of the thrust bearing 3D abuts on the ball bearing 4D.
  • the ball bearing 4D is installed in the small hole position of the positioning hole 13D, and the thrust bearing 3D is installed in the large hole position of the positioning hole 13D, and the force side of the thrust bearing 3D is set to the left ,
  • the blocking member 5 is placed on the right side of the thrust bearing 3D; since the blocking member 5 is connected and fixed with the output shaft connecting member 12, when the output shaft connecting member 12 moves to the left, the blocking member 5 will move left together until the blocking member 5 Contact with the thrust bearing 3D and push the thrust bearing 3D to abut the ball bearing 4D.
  • the contact between the thrust bearing 3D and the ball bearing 4D limits the movement of the output shaft connector 12, that is, the insertion of the output shaft connector 12 depth.
  • the right side of the ball bearing 4D can be set to slightly protrude beyond the small hole position of the positioning hole 13D, in order to facilitate the contact between the thrust bearing 3D and the 5 blocking members.
  • the right side of the thrust bearing 3D can be set to slightly protrude out of the large hole position of the positioning hole 13D.
  • the internal components of the transmission 1 can be used as the blocking member 5.
  • the transmission gear set 11 includes an output gear, and the output gear is sleeved.
  • the output gear is fixedly connected to the output shaft connecting member 12, and the output gear is the blocking member 5; after using the original output gear of the transmission 1 as the blocking member 5, avoid Adding parts to occupy space, thereby improving the compactness of the product provides important help.
  • the present invention also discloses an oil press 6, including the above-mentioned oil press power output mechanism; similarly, also because the thrust bearing 3 of the oil press is changed to a Inside the transmission 1, the thrust bearing 3 will be in a completely enclosed space, that is, the oil on the thrust bearing 3 cannot penetrate into the oil pressing cavity of the oil press 6, which provides an important guarantee for the safety and sanitation of food materials.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Details Of Gearings (AREA)

Abstract

一种榨油机动力输出机构及其榨油机，包括变速器（1）、榨油杆（2）和推力轴承（3），变速器（1）设有输出轴接件（12）和变速齿轮组（11），变速齿轮组（11）与输出轴接件（12）传动连接，变速齿轮组（11）用于获取动力带动输出轴接件（12）自转，输出轴接件（12）与榨油杆（2）连接，推力轴承（3）设于变速器（1）内部，推力轴承（3）与输出轴接件（12）同轴设置，在输出轴接件（12）的轴向方向上，推力轴承（3）用于限制输出轴接件（12）置于变速器（1）内的深度。由于将推力轴承设于变速器内部，推力轴承处于完全封闭的空间内，因此推力轴承上的机油无法渗透至榨油机的榨油腔内，为食材的安全卫生提供了重要保障。

Description

榨油机动力输出机构及其榨油机
本申请要求于2019年4月29日提交中国专利局、申请号为201910360249.6和201920613380.4、发明名称为“榨油机动力输出机构及其榨油机”的中国专利申请的优先权，上述在先申请的内容以引入的方式并入本文本中。
技术领域
本发明涉及榨油领域的技术方案，特别涉及一种榨油机动力输出机构及其榨油机。
背景技术
在日常生活中，食用油是通过榨油机进行榨取，只需将食材放置于榨油腔内，便可通过榨油杆进行榨油；但是现有榨油机的推力轴承为外露设置，推力轴承上的机油会渗透至榨油腔内，从而和食用油产生混合，即对食用油造成了污染，为此急需一种能够解决此问题的技术方案。
发明内容
本发明的目的在于提供一种榨油机动力输出机构及其榨油机，现有榨油机容易出现食材污染的问题。
为了解决上述技术问题，本发明提供了一种榨油机动力输出机构，包括变速器、榨油杆和推力轴承，所述变速器设有输出轴接件和变速齿轮组，所述变速齿轮组与所述输出轴接件传动连接，所述变速齿轮组用于获取动力带动所述输出轴接件自转，所述输出轴接件与所述榨油杆连接，其特征在于，所述推力轴承设于所述变速器内部，所述推力轴承与所述输出轴接件同轴设置，在所述输出轴接件的轴向方向上，所述推力轴承用于限制所述输出轴接件置于所述变速器内的深度。
其中，所述变速器的内部设有定位孔，所述定位孔内安装有滚珠轴承，所述输出轴接件的一端穿过所述滚珠轴承置于所述定位孔内。
其中，所述推力轴承设于所述定位孔内，所述推力轴承设于所述定位孔孔 底与所述滚珠轴承之间，所述输出轴接件穿过所述滚珠轴承与所述推力轴承的受力面抵接。
其中，所述推力轴承套于所述输出轴接件上，所述推力轴承与所述输出轴接件连接固定；所述滚珠轴承设于所述定位孔孔底与所述推力轴承之间，所述滚珠轴承与所述推力轴承的受力面抵接。
其中，所述输出轴接件的外周侧设有阻挡件，所述推力轴承和所述滚珠轴承均设于所述阻挡件与所述定位孔孔底之间，所述阻挡件用于实现所述滚珠轴承与所述推力轴承的受力面抵接。
其中，所述推力轴承设于所述定位孔内，所述滚珠轴承夹持于所述推力轴承与所述阻挡件之间，所述滚珠轴承与所述推力轴承的受力面抵接。
其中，所述推力轴承套于所述输出轴接件上，所述推力轴承夹持于所述滚珠轴承与所述阻挡件之间，所述推力轴承的受力面与所述滚珠轴承抵接。
其中，所述变速齿轮组包括有输出齿轮，所述输出齿轮套于所述输出轴接件上，所述输出齿轮与所述输出轴接件连接固定，所述输出齿轮为所述阻挡件。
为了解决上述技术问题，本发明还提供了一种榨油机，包括上述的榨油机动力输出机构。
本发明的有益效果如下：
由于所述推力轴承设于所述变速器内部，所述推力轴承用于限制所述输出轴接件置于所述变速器内的深度，所以相对于现有技术，此方案将推力轴承改为设于变速器内部，推力轴承将处于完全封闭的空间内，即推力轴承上的机油无法渗透至榨油机的榨油腔内，为食材的安全卫生提供了重要保障。
附图说明
为了更清楚地说明本发明的技术方案，下面将对实施方式中所需要使用的附图作简单地介绍，显而易见地，下面描述中的附图仅仅是本发明的一些实施方式，对于本领域普通技术人员来讲，在不付出创造性劳动的前提下，还可以根据这些附图获得其他的附图。
图1是本发明榨油机动力输出机构优选实施方式提供的结构示意图；
图2是本发明榨油机动力输出机构优选实施方式提供的拆解结构示意图；
图3是本发明榨油机动力输出机构优选实施方式提供的第一种推力轴承设置方式示意图；
图4是本发明榨油机动力输出机构优选实施方式提供的第二种推力轴承设置方式示意图；
图5是本发明榨油机动力输出机构优选实施方式提供的第三种推力轴承设置方式示意图；
图6是本发明榨油机动力输出机构优选实施方式提供的第四种推力轴承设置方式示意图；
图7是本发明榨油机优选实施方式提供的结构示意图。
具体实施方式
下面将结合本发明实施方式中的附图，对本发明实施方式中的技术方案进行清楚、完整地描述。
从图1和图2可知，本发明实施例所述的榨油机动力输出机构，包括变速器1、榨油杆2和推力轴承3，所述变速器1设有变速齿轮组11和输出轴接件12，所述变速齿轮组11与所述输出轴接件12传动连接，所述变速齿轮组11用于获取动力带动所述输出轴接件12自转，所述输出轴接件12与所述榨油杆2连接，所述推力轴承3设于所述变速器1内部，所述推力轴承3与所述输出轴接件12同轴设置，在所述输出轴接件12的轴向方向上，所述推力轴承3用于限制所述输出轴接件12置于所述变速器1内的深度。
进行应用时，变速齿轮组11会与电机连接固定，以获得输入动力，由于榨油杆2的转速一般较低，所以在变速齿轮组11的作用下，电机的高速转动将变为输出轴接件12的低速转动，以图1和图2所示方向为参考，由于推力轴承3会在左侧对输出轴接件12产生阻挡，所以输出轴接件12将无法继续移进变速器1内部，从而限制了输出轴接件12置于变速器1内的深度。
相对于现有技术，此方案将推力轴承3改为设于变速器1内部，所以推力轴承3将处于完全封闭的空间内，即推力轴承3上的机油无法渗透至榨油机的榨油腔内，为食材的安全卫生提供了重要保障。
其中，为了提高输出轴接件12的转动流畅性，可增设滚珠轴承4对输出 轴接件12进行支撑，以降低输出轴接件12旋转过程中的摩擦，而一种优选的设置方式可如图1和图2所示，所述变速器1的内部设有定位孔13，所述定位孔13内安装有滚珠轴承4，所述输出轴接件12的一端穿过所述滚珠轴承4置于所述定位孔内13；当然，滚珠轴承4并非只能安装于输出轴接件12的一端，为了保持输出轴接件12两端的受力平衡，也可以在输出轴接件12的两端均安装滚珠轴承4。
还需指出，推力轴承3是用于限制输出轴接件12置于变速器1内的深度，而为了实现此目的，推力轴承3可采用多种不同的设置方式，可以是推力轴承3与输出轴接件12之间进行直接或间接抵接，以实现限位，也可以是推力轴承3与输出轴接件12连接固定，通过与其他部件进行限位配合，具体如下：
第一种设置方式如图3所示，所述推力轴承3A设于所述定位孔13A内，所述推力轴承3A设于所述定位孔13A孔底与所述滚珠轴4A承之间，所述输出轴接件12穿过所述滚珠轴承4A与所述推力轴承3A的受力面抵接。
以图3所示方向为参考，此时定位孔13A为一具有两种孔径的阶梯孔，置于左侧的孔径较小，置于右侧的孔径较大；而推力轴承3A安装于定位孔13A的小孔径孔位内，并设置推力3A轴承的受力面朝右，滚珠轴承4A安装于定位孔13A的大孔径孔位内，输出轴接件12穿过滚珠轴承4A与推力轴承3的受力面抵接，在推力轴承3A的阻挡下，输出轴接件12将无法进行往左移动，即限制了输出轴接件12的插入深度。
第二种设置方式如图4所示，所述推力轴承3B套于所述输出轴接件12上，所述推力轴承3B与所述输出轴接件12连接固定；所述滚珠轴承4B设于所述定位孔13B孔底与所述推力轴3B承之间，所述滚珠轴承4B与所述推力轴承3B的受力面抵接。
以图4所示方向为参考，滚珠轴承4B安装于定位孔13B的大孔径孔位内，推力轴承3B的左侧面为其受力面，由于推力轴承3B与输出轴接件12连接固定，所以当输出轴接件12往左移动的时候，推力轴承3B也将跟随左移，直至推力轴承3B的受力面与滚珠轴承4B的右侧面抵接，通过推力轴承3B与滚珠轴承4B的抵接限制了输出轴接件12的移动，即限制了输出轴接件12的插入深度。
另外如图5和图6所示，还可设置所述输出轴接件12的外周侧设有阻挡件5，所述推力轴承3C、3D和所述滚珠轴4C、4D承均设于所述阻挡件5与所述定位孔13C、13D孔底之间，所述阻挡件5用于实现所述滚珠轴承4C、4D与所述推力轴承3C、3D的受力面抵接：即利用了滚珠轴承4C、4D与推力轴承3C、3D的受力面抵接，以实现对输出轴接件12的移动限制，而此时滚珠轴承4C、4D与推力轴承3C、3D的设置方式至少有如下方式。
第三种设置方式如图5所示，所述推力轴承3C设于所述定位孔13C内，所述滚珠轴承4C夹持于所述推力轴承3C与所述阻挡件5之间，所述滚珠轴承4C与所述推力轴承3C的受力面抵接。
以图5所示方向为参考，推力轴承3C安装于定位孔13C的小孔径孔位内，并设置推力轴承3C的受力面朝右，滚珠轴承4C安装于定位孔13C的大孔径孔位内，阻挡件5置于滚珠轴承4C的右侧；由于阻挡件5与输出轴接件12连接固定，所以当输出轴接件12往左移动时，阻挡件5将一同左移，直至阻挡件5与滚珠轴承4C抵接、并推动滚珠轴承4C与推力轴承3C的受力面抵接，通过推力轴承3C与滚珠轴承4C的抵接限制了输出轴接件12的移动，即限制了输出轴接件12的插入深度。
其中，为了便于推力轴承3C与滚珠轴承4C之间的抵接，可以设置推力轴承3C的右侧稍微凸出至定位孔13C的小孔径孔位外，为了便于滚珠轴承4C与阻挡件5之间的抵接，可设置滚珠轴承4C的右侧稍微凸出至定位孔13C的大孔径孔位外。
第四种设置方式如图6所示，所述推力轴承3D套于所述输出轴接件12上，所述推力轴承3D夹持于所述滚珠轴承4D与所述阻挡件5之间，所述推力轴承3D的受力面与所述滚珠轴承4D抵接。
以图6所示方向为参考，滚珠轴承4D安装于定位孔13D的小孔径孔位内，推力轴承3D安装于定位孔13D的大孔径孔位内，并设置推力轴承3D的受力面朝左，阻挡件5置于推力轴承3D的右侧；由于阻挡件5与输出轴接件12连接固定，所以当输出轴接件12往左移动时，阻挡件5将一同左移，直至阻挡件5与推力轴承3D抵接、并推动推力轴承3D与滚珠轴承4D抵接，通过推力轴承3D与滚珠轴承4D的抵接限制了输出轴接件12的移动，即限制了输 出轴接件12的插入深度。
其中，为了便于推力轴承3D与滚珠轴承4D之间的抵接，可以设置滚珠轴承4D的右侧稍微凸出至定位孔13D的小孔径孔位外，为了便于推力轴承3D与阻挡5件之间的抵接，可设置推力轴承3D的右侧稍微凸出至定位孔13D的大孔径孔位外。
更进一步的，提高产品的结构紧凑性，可以使用变速器1内部的部件作为阻挡件5，譬如一种优选的实施方式可以是所述变速齿轮组11包括有输出齿轮，所述输出齿轮套于所述输出轴接件12上，所述输出齿轮与所述输出轴接件12连接固定，所述输出齿轮为所述阻挡件5；在利用变速器1原有的输出齿轮作为阻挡件5后，避免增设部件而占用空间，从而提高产品结构紧凑性提供了重要帮助。
如图1、图2和图7所示，本发明还公开了一种榨油机6，包括上述的榨油机动力输出机构；同理，也因为此榨油机的推力轴承3改为设于变速器1内部，所以推力轴承3将处于完全封闭的空间内，即推力轴承3上的机油无法渗透至榨油机6的榨油腔内，为食材的安全卫生提供了重要保障。
以上所述是本发明的优选实施方式，应当指出，对于本技术领域的普通技术人员来说，在不脱离本发明原理的前提下，还可以做出若干改进和润饰，这些改进和润饰也视为本发明的保护范围。

Claims (9)

  1. 一种榨油机动力输出机构，包括变速器、榨油杆和推力轴承，所述变速器设有输出轴接件和变速齿轮组，所述变速齿轮组与所述输出轴接件传动连接，所述变速齿轮组用于获取动力带动所述输出轴接件自转，所述输出轴接件与所述榨油杆连接，其特征在于，所述推力轴承设于所述变速器内部，所述推力轴承与所述输出轴接件同轴设置，在所述输出轴接件的轴向方向上，所述推力轴承用于限制所述输出轴接件置于所述变速器内的深度。
  2. 根据权利要求1所述的榨油机动力输出机构，其特征在于，所述变速器的内部设有定位孔，所述定位孔内安装有滚珠轴承，所述输出轴接件的一端穿过所述滚珠轴承置于所述定位孔内。
  3. 根据权利要求2所述的榨油机动力输出机构，其特征在于，所述推力轴承设于所述定位孔内，所述推力轴承设于所述定位孔孔底与所述滚珠轴承之间，所述输出轴接件穿过所述滚珠轴承与所述推力轴承的受力面抵接。
  4. 根据权利要求2所述的榨油机动力输出机构，其特征在于，所述推力轴承套于所述输出轴接件上，所述推力轴承与所述输出轴接件连接固定；所述滚珠轴承设于所述定位孔孔底与所述推力轴承之间，所述滚珠轴承与所述推力轴承的受力面抵接。
  5. 根据权利要求2所述的榨油机动力输出机构，其特征在于，所述输出轴接件的外周侧设有阻挡件，所述推力轴承和所述滚珠轴承均设于所述阻挡件与所述定位孔孔底之间，所述阻挡件用于实现所述滚珠轴承与所述推力轴承的受力面抵接。
  6. 根据权利要求5所述的榨油机动力输出机构，其特征在于，所述推力轴承设于所述定位孔内，所述滚珠轴承夹持于所述推力轴承与所述阻挡件之间，所述滚珠轴承与所述推力轴承的受力面抵接。
  7. 根据权利要求5所述的榨油机动力输出机构，其特征在于，所述推力轴承套于所述输出轴接件上，所述推力轴承夹持于所述滚珠轴承与所述阻挡件之间，所述推力轴承的受力面与所述滚珠轴承抵接。
  8. 根据权利要求5所述的榨油机动力输出机构，其特征在于，所述变速齿 轮组包括有输出齿轮，所述输出齿轮套于所述输出轴接件上，所述输出齿轮与所述输出轴接件连接固定，所述输出齿轮为所述阻挡件。
  9. 一种榨油机，其特征在于，包括权利要求1所述的榨油机动力输出机构。
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