CN104689425B - Syringe pumps for push lever clamping device - Google Patents

Syringe pumps for push lever clamping device Download PDF

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Publication number
CN104689425B
CN104689425B CN 201310671832 CN201310671832A CN104689425B CN 104689425 B CN104689425 B CN 104689425B CN 201310671832 CN201310671832 CN 201310671832 CN 201310671832 A CN201310671832 A CN 201310671832A CN 104689425 B CN104689425 B CN 104689425B
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CN
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Grant
Patent type
Prior art keywords
housing
end
lever
link
syringe
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CN 201310671832
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Chinese (zh)
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CN104689425A (en )
Inventor
赵晨
邹海涛
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深圳市科曼医疗设备有限公司
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    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/145Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/14546Front-loading type injectors
    • AHUMAN NECESSITIES
    • A61MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61MDEVICES FOR INTRODUCING MEDIA INTO, OR ONTO, THE BODY; DEVICES FOR TRANSDUCING BODY MEDIA OR FOR TAKING MEDIA FROM THE BODY; DEVICES FOR PRODUCING OR ENDING SLEEP OR STUPOR
    • A61M5/00Devices for bringing media into the body in a subcutaneous, intra-vascular or intramuscular way; Accessories therefor, e.g. filling or cleaning devices, arm-rests
    • A61M5/14Infusion devices, e.g. infusing by gravity; Blood infusion; Accessories therefor
    • A61M5/142Pressure infusion, e.g. using pumps
    • A61M5/145Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons
    • A61M5/1452Pressure infusion, e.g. using pumps using pressurised reservoirs, e.g. pressurised by means of pistons pressurised by means of pistons
    • A61M5/1458Means for capture of the plunger flange

Abstract

一种用于注射泵的注射器的推柄卡紧装置,包括壳体、杠杆、连杆、限位件、弹性件、夹爪及按钮。 A syringe of the syringe pump push handle for the clamping device, comprising a housing, a lever, a link, the stopper member, the elastic member, the jaws and buttons. 杠杆的中部与壳体转动连接;连杆可滑动地穿设于壳体,且一端与杠杆的一端活动连接;限位件固定于连杆上;弹性件套设于连杆上,弹性件的两端分别与壳体的内壁和限位件相抵持;夹爪设置于壳体上,并与连杆远离杠杆的一端固定连接,夹爪与壳体的外表面相配合可卡紧注射器的推柄;按钮可滑动地穿设于壳体上,按钮与杠杆远离连杆的一端相接触,按钮朝壳体内部的方向可滑动以推动杠杆转动,而使连杆朝伸出壳体的方向滑动。 Central housing rotatably connected to the lever; link slidably disposed through the housing and having an end connected to one end of the active lever; stopper member is fixed to the upper link; an elastic member sleeved on the link, the elastic member holding both ends against the inner wall of the housing and the stopper member; jaw disposed on the housing, and one end of the link remote from the lever is fixedly connected to the outer surface of the clamp jaw cooperating with the housing a push handle can be snapped tight syringe ; button slidably disposed through the housing, one end of the lever away from the link button is contacted, the direction toward the interior of the housing a button to push the lever slidably rotated, the projecting direction of the housing towards the link slide. 上述用于注射泵的注射器的推柄卡紧装置操作方便且较为。 Convenient syringe pumps as described above for the push handle and the chucking operation of the device more.

Description

用于注射泵的注射器的推柄卡紧装置 Syringe pumps for push lever clamping device

技术领域 FIELD

[0001] 本发明涉及一种用于注射泵的注射器的推柄卡紧装置。 [0001] The present invention relates to an injection syringe pump push handle retaining means.

背景技术 Background technique

[0002] 目前,国内各医院在临床静脉注射中,因为注射泵注射的精确性以及便于调控性, 正逐步推广使用注射栗实现自动注射。 [0002] At present, the domestic hospital in clinical intravenous injection, because the injection pump injection accuracy and ease regulatory, gradually promote the use of injection chestnut automatic injection. 在使用注射栗时,安装注射器后端推柄处的结构目前市面上主要有两种类型,一种是固定的结构,通过弹性的倒钩卡住推柄,当安装注射器时,需要先拉开扳把,然后一手按下注射栗推注头上离合并拖动推杆移至注射器后端推柄处,另一只手将注射器推柄卡入推注头上的固定结构内,调整好后放入卡槽合上扳把,然而这种类型的需要医务人员同时使用双手操作,且操作比较麻烦,十分的不方便;另一种是通过相互对转的细长夹爪框住注射器后端推柄附近位置,防止注射器推柄偏离推杆,这种类型能够使用单手操作,但是这种类型的卡住方式实际上是框住注射器推柄前端的推杆,不能直接作用于注射器推柄,很不安全。 When an injection Li, a push handle structure is mounted at the rear end of the syringe market at present there are two main types, one is a fixed structure, the elastic barbs caught by the push lever, when the syringe is mounted, need to pull after the pull, and then press the hand bolus injection Li head moves away from the syringe plunger rear drag combined push handle at the other hand to push the syringe plunger stem snaps into the fixed structure of the injection head, adjust into the upper slot to pull together, however, this type of medical personnel need to use both hands, and the operation is troublesome, very inconvenient; the other is elongated by mutual rotation of the jaw frames the rear end of the syringe push position near the shank, prevent the syringe plunger push handle deviates, this type of operation is possible using a single hand, but this type of embodiment is actually jammed framing syringe plunger distal end of push handle, not directly act on the syringe plunger stem , very safe.

发明内容 SUMMARY

[0003] 鉴于此,有必要提供一种操作方便且较为安全的用于注射栗的注射器的推柄卡紧装置。 [0003] In view of this, it is necessary to provide a more convenient and safe means for pushing the syringe gripping lever chestnut injection operation.

[0004] 一种用于注射泵的注射器的推柄卡紧装置,包括: [0004] clamping means push handle for a syringe infusion pump, comprising:

[0005] 壳体; [0005] a housing;

[0006] 杠杆,收容于所述壳体内,所述杠杆的中部与所述壳体转动连接; [0006] the lever, housed within the housing, the lever is rotatably connected to the middle of the housing;

[0007] 连杆,可滑动地穿设于所述壳体,且一端与所述杠杆的一端活动连接; [0007] link, slidably disposed through said housing and having an end connected to one end of the active lever;

[0008] 限位件,收容于所述壳体内,并固定于所述连杆上; [0008] The stopper member accommodated within said housing and secured to the rod;

[0009] 弹性件,收容于所述壳体内,并套设于所述连杆上,所述弹性件的两端分别与所述壳体的内壁和所述限位件相抵持; [0009] elastic member, housed within the housing, and sleeved on the link, both ends of the elastic member, respectively, and the inner wall of the housing against the stopper support member;

[0010] 夹爪,设置于所述壳体上,并与所述连杆远离所述杠杆的一端固定连接,所述夹爪与所述壳体的外表面相配合可卡紧注射器的推柄;及 [0010] clamping jaws disposed on the housing, with one end of the link remote from the lever is fixedly connected, the outer surface of the clamping jaw cooperating with the housing can be snapped tight syringe push handle; and

[0011] 按钮,可滑动地穿设于所述壳体上,所述按钮与所述杠杆远离所述连杆的一端相接触,所述按钮朝所述壳体内部的方向可滑动以推动所述杠杆转动,而使所述连杆朝伸出所述壳体的方向滑动。 [0011] button, slidably disposed through said housing, said button and said lever end remote from the rod in contact, towards the interior of the housing to facilitate the slidable button said lever is rotated, so that the rod protrudes toward the sliding direction of the housing.

[0012] 在其中一个实施例中,还包括固定收容于所述壳体内的底座,所述底座上开设有贯通孔,所述连杆可滑动地穿设于所述贯通孔,所述弹性件与所述限位件收容于所述贯通孔内,所述弹性件远离所述限位件的一端与所述贯通孔的侧壁相抵持。 [0012] In one embodiment, the housing further comprises a base fixed to the inner housing, defines a through hole on said base, said rod being slidably disposed through the through hole, the elastic member and the limiting member received in the through hole, the elastic member away from said one end of the stopper member and against the side walls of the holding through hole.

[0013] 在其中一个实施例中,还包括收容于所述壳体内的支撑套及轴销,所述支撑套的一端的端面与所述底座固定连接,所述支撑套的另一端的相对两侧对应开设有导向滑槽, 且所述连杆可转动地穿设于所述支撑套,所述轴销固定地穿设于所述连杆上,且所述轴销沿所述连杆的径向设置,所述轴销伸出所述连杆的两端分别收容于所述支撑套的相对两侧的导向滑槽中,并沿所述导向滑槽可滑动。 The other end of the [0013] In one embodiment, further comprises a support sleeve and the shaft received in the pin within the housing, an end of the support sleeve is fixedly connected to the base end surface of the support sleeve opposite two defines the corresponding side guide chute and the rod is rotatably disposed through said support sleeve, said pivot pin fixedly disposed through the link, and the pivot pin along the link radially disposed, the projecting ends of the shaft pin are respectively received in the guide rod on opposite sides of the chute in the support sleeve, and slidably along the guiding chute.

[0014] 在其中一个实施例中,所述导向滑槽具有直槽部及与所述直槽部连通的螺旋槽部,并且所述直槽部靠近所述杠杆设置,所述轴销伸出所述连杆的两端分别沿所述螺旋槽部滑动,以使所述连杆转动并朝伸出所述壳体的方向滑动。 [0014] In one embodiment, the guide chute having a straight groove portion and the helical groove portion communicating with the straight groove portion, and the straight groove portion disposed adjacent said lever, said pin projecting shaft ends respectively of the connecting rod slides the helical groove portion, so that the rotation of the link slide and extend in the direction along the housing. ^ ^

[0015] 在其中一个实施例中,还包括收容于所述壳体内、且与所述杠杆远S所述按钮的一端固定连接的压盖,所述连杆远离所述夹爪的一端与所述压盖活动连接。 [0015] In one embodiment, further comprising housed within said housing, and said lever distal end S of the button the lid is fixedly connected to said rod remote from said one end of the jaw connecting said gland activity.

[0016] 在其中一个实施例中,所述压盖上开设有收容槽,所述连杆远离所述夹爪的一端可转动地收容于所述收容槽内。 [0016] In one embodiment, the housing defines a groove on said gland, said rod remote from said one end of the jaw is rotatably received in the receiving groove.

[0017] 在其中一个实施例中,还包括收容于所述收容槽中的轴承,所述轴承套设于所述连杆远离所述夹爪的一端,并与所述连杆过盈配合。 [0017] In one embodiment, further comprising received in the receiving groove of a bearing sleeve provided at one end of the rod remote from the jaw, and the link with an interference fit.

[0018] 在其中一个实施例中,所述连杆的一端形成缩颈部,所述轴承套设于所述缩颈部上,并与所述缩颈部过盈配合。 [0018] In one embodiment, one end of the link forming the constricted portion, the bearing sleeve disposed on said neck portion, said neck portion with an interference fit.

[0019] 在其中一个实施例中,还包括轴套,所述轴套穿设于所述贯通孔,并与所述贯通孔的侧壁固定连接,所述连杆可滑动地穿设于所述轴套,且所述连杆在所述轴套内可转动。 [0019] In one embodiment, further comprising a sleeve, said sleeve disposed through the through holes, and fixedly connected with the side wall of the through hole, said rod being slidably disposed through the said bushing and said rod rotatable within said sleeve.

[0020] 在其中一个实施例中,所述夹爪包括中通的柱形固定部及一侧与所述柱形固定部固定连接的夹持片,所述连杆远离所述杠杆的一端固定地穿设于所述柱形固定部,所述夹持片与壳体的外表面相配合可卡紧所述注射器的推柄。 One end of the fixed [0020] In one embodiment, the jaw clamping piece comprises a through-cylindrical portion and the fixing side of the cylindrical fixing portion fixedly connected to said lever remote from the rod disposed through the cylindrical fixing portion, the outer surface of the clamping piece cooperating with the housing can be snapped tight push handle of the syringe.

[0021] 上述用于注射栗的注射器的推柄卡紧装置包括壳体、杠杆、连杆、限位件、弹性件、 夹爪及按钮,由于按钮与杠杆的一端相接触,按下按钮,使其朝壳体内部的方向滑动以推动杠杆转动,而使抵推连杆朝伸出壳体的方向滑动,且使与连杆固定连接的夹爪朝远离壳体的方向滑动,可将注射器的推柄放置于壳体上,松开按钮,连杆在弹性件的作用下,连杆朝壳体的内部的方向滑动,并带动夹爪朝靠近壳体的方向滑动,从而使注射器的推柄卡紧在夹爪与壳体的外表面之间,由于夹爪是直接压紧在注射器的推柄上的,能够更加牢固的卡紧注射器的推柄上,避免了注射器脱落的风险,较为安全;且所有动作只需要通过单手按压按钮就能够是实现注射器的安装与拆卸,操作十分方便。 [0021] The push lever clamping device for an injection syringe Li include a housing, a lever, a link, the stopper member, the elastic member, the jaws and buttons, since one end of the lever in contact with the button, the button is pressed, to facilitate rotation of the lever to slide, against the push rod extends toward the sliding direction of the housing, and the jaws is fixedly connected with the link sliding direction away from the housing towards the inside of the housing, the syringe may be push handle slidably disposed on the housing, the button is released, the connecting rod under the effect of the elastic member, the sliding rod towards the interior of the housing, and driven toward the jaws close in the direction of the housing, thereby pushing the syringe shank clamped between the outer surface of the jaw of the housing, since the jaw is pressed against the push handle directly to the syringe, it is possible to push on the handle more firmly gripping the syringe, the syringe avoids the risk of falling, it is security; and all actions just by pressing the button with one hand can be achieved syringe installation and removal, easy to operate.

附图说明 BRIEF DESCRIPTION

[0022] 图1为一实施方式的用于注射栗的注射器的推柄卡紧装置的结构示意图; Structural diagram [0022] Figure 1 is one embodiment of the push handle device for clamping a syringe injection of Li;

[0023] 图2为图1所示的用于注射栗的注射器的推柄卡紧装置省略了壳体的另一角度的结构不意图; [0023] FIG. 2 is a push handle for gripping the syringe means for injection of Li shown in FIG. 1 is omitted from another aspect of the housing is not intended;

[0024] 图3为图1所示的用于注射泵的注射器的推柄卡紧装置的省略了壳体的另一角度的结构示意图; Omitted schematic structural diagram of another aspect of the housing [0024] FIG. 3 is a syringe for injection pump shown in FIG. 1 push handle chucking device;

[0025] 图4为图3沿BB线的剖面图。 [0025] FIG 3 is a sectional view taken along line BB in FIG.

具体实施方式 detailed description

[0026] 下面主要结合附图及具体实施例对用于注射泵的注射器的推柄卡紧装置作进一步详细的说明。 [0026] The following main embodiments of the accompanying drawings and the syringe pump for injecting a push handle gripping means described in further detail specific embodiments.

[0027] 如图1、图2、图3及图4所示,一实施方式的用于注射栗的注射器的推柄卡紧装置100包括壳体110、杠杆12〇、连杆13〇、限位件14〇、弹性件15〇、夹爪160及按钮1?〇。 [0027] 1, 2, 3 and 4, the push lever clamping device for an injection syringe of a chestnut embodiment 100 includes a housing 110, a lever 12〇, link 13〇, limit 14〇 positioning member, the resilient member 15〇, jaws 160 and button 1? square.

[0028] 壳体110大致为方形壳体。 [0028] The housing 110 is substantially rectangular housing. 具体的,壳体110的一端的端部形成有凹槽112。 Specifically, the end of the end portion 110 of the housing 112 is formed with a groove.

[0029] 杠杆12〇收容于壳体110内,杠杆12〇的中部与壳体110转动连接。 [0029] 12〇 lever housed in the casing 110, the middle lever 12〇 110 is rotatably connected with the housing. 杠杆120大致为长条形杆状。 Lever 120 is substantially elongated rod.

[0030] 连杆130为长条形杆状。 [0030] The link 130 is an elongated rod. 连杆130可滑动地穿设于壳体110,且一端与杠杆120的一端活动连接。 Link 130 is slidably disposed through the housing 110, and the end of the movable end of the lever 120 is connected. 具体的,连杆130的一端形成缩颈部132。 Specifically, the end of the link 130 of neck portion 132 is formed. 连杆130远离缩颈部132的一端伸出壳体110。 One end of link 130 away from the constricted portion 132 of the housing 110 protrudes.

[0031] 限位件140收容于壳体110内,并固定于连杆130上。 [0031] The stopper member 140 accommodated in the housing 110, and is fixed to the upper link 130. 具体的,限位件140为卡环,卡环固定套设于连杆130上。 Specifically, the stopper member 140 is a snap ring, snap ring 130 sleeved on the link. 可以理解,限位件140还可以是连杆130上的凸起。 It will be appreciated, the stopper member 140 may also be raised on the connecting rod 130.

[0032] 弹性件150收容于壳体110内,并套设于连杆130上,弹性件150的两端分别与壳体110的内壁和限位件140相抵持,从而给连杆130提供一弹性回复力。 [0032] The elastic member 150 accommodated in the housing 110, and sleeved on the link 130, the ends of the elastic member 150, respectively, and the stopper member and the inner wall 140 of the housing 110 resists against, thereby to provide a link 130 elastic restoring force. 在具体的实施例中,弹性件150为弹簧。 In a specific embodiment, the resilient member 150 is a spring. 可以理解,弹性件150还可以为弹性套筒。 It will be appreciated, the elastic member 150 may also be an elastic sleeve.

[0033] 夹爪160设置于壳体110上,并与连杆130远离杠杆120的一端固定连接,夹爪160与壳体110的外表面相配合可卡紧注射器(图未示)的推柄(图未示)。 [0033] clamping jaws 160 disposed on the housing 110, and one end of the link 130 is fixedly connected to the lever 120 away from the jaw 160 and the outer surface of the housing 110 may be cooperating clamping the syringe (not shown) of the push handle ( not shown). 具体的,夹爪160包括中通的柱形固定部162及一端与柱形固定部162固定连接的夹持片164。 Specifically, the clamping jaw 160 includes a plate 162 fixedly connected through the fixing portion 162 and the cylindrical end of the cylindrical fixing portion 164. 其中,连杆130远离杠杆120的一端固定地穿设于柱形固定部162,夹持片164与壳体110的外表面相配合可卡紧注射器的推柄。 Wherein one end of the link 130 remote from the lever 120 is fixedly disposed through the cylindrical fixing portion 162, the outer surface of the holding plate 164 of the housing 110 cooperates with a push handle can be snapped tight syringe. 具体的,夹持片164的宽度从一端到另一端逐渐增大。 Specifically, the width of the holding piece 164 is gradually increased from one end to the other end. 且连杆130远离杠杆120 的一端与夹持片164的宽度较小的一端固定连接,使得宽度较大的一端压着注射器的推柄, 从而增加了夹爪160与注射器的推柄之间的接触面积,使得注射器的推柄能够更加牢固地卡紧在壳体110上,进一步降低了注射器推柄在注射过程中的偏移脱落的风险,更加的安全。 And the link lever 130 away from the smaller width of the one end of the clamping plate 120 is fixedly connected at one end 164, such that the width of the larger end of the syringe pressing push handle, thereby increasing the jaws 160 and syringe push handle between contact area, so that the push handle of the syringe can be clamped more firmly on the housing 110, further reducing the risk of the syringe plunger stem during injection of the offset shedding, more secure. 当注射泵上还安装有到位检测装置(图未示)时,将夹爪160靠近到位检测装置的检测按钮400设置,并将注射器的推柄的端面放置到位检测装置的检测按钮400上,此时,夹爪160 压紧注射器的推柄,还可以便于检测注射器是否到位。 When the syringe pump is also mounted in place detecting means (not shown), to close the jaws 160 in place of the detecting means detects a button 400 is provided, and the end face of the injector push handle button placement detection bit detecting means 400, this when the pressing jaws 160 push handle the syringe, the syringe may further facilitate the detection is in place.

[0034] 进一步的,夹爪160为两个,连杆130、限位件140及弹性件150均对应为两个,两个连杆130平行设置,且两个连杆130远离夹爪160的一端均与杠杆120远离按钮170的一端活动连接。 [0034] Further, for the two jaws 160, link 130, stop member 140 and the elastic member 150 corresponds to two, two parallel arranged link 130, two links 130 and 160 away from the jaw One end of the lever 120 are connected with the end remote from the button 170 is active. 两个夹爪160能够更加牢固地卡紧注射器的推柄。 Two jaws 160 push handle can be more firmly gripping the syringe.

[0035] 按钮170可滑动地穿设于壳体110上,按钮170与杠杆120远离连杆130的一端相接触,按钮170朝壳体110内部的方向可滑动以推动杠杆120转动,而使连杆130朝伸出壳体110 的方向滑动。 [0035] The button 170 is slidably disposed through the housing 110, an end button 170 of the lever 120 away from the link 130 is brought into contact, in the direction of the interior 170 of the housing 110 of the push button 120 to rotate the lever to slide, so that even rod 130 projecting toward the sliding direction of the housing 110. 具体的,按钮170可滑动地设置于凹槽112内。 Specifically, the button 170 slidably disposed within the groove 112.

[0036] 请再次参阅图2、图3及图4,进一步的,用于注射栗的注射器的推柄卡紧装置100还包括固定收容于壳体110内的底座180。 [0036] Please refer to FIG. 2, FIG. 3 and FIG. 4, a further push lever clamping device for an injection syringe 100 further includes a chestnut is fixed to the base housed within the housing 110,180. 其中,底座180上开设有贯通孔182,连杆130可滑动地穿设于贯通孔182,弹性件150与限位件140收容于贯通孔182内,且弹性件150远离限位件140的一端与贯通孔182的侧壁相抵持。 Wherein, the base 180 defines a through hole 182, the link 130 is slidably disposed through the through hole 182, the elastic member 150 and the stopper member 140 is received in the through hole 182, and the end of the elastic member 150 away from the stopper member 140 the through holes 182 and held against the side wall. 具体的,贯通孔182贯通底座180相对的两个表面。 Specifically, a through hole 182 through the base 180 of the two opposing surfaces. 更具体的,贯通孔182具有收容部184及与收容部184连通的缩孔部186,且收容部184的孔径大于缩孔部186的孔径,从而对连杆130具有限位作用。 More specifically, the receiving portion 182 has a through hole 184 and the bore portion 184 communicating with the accommodating portion 186, and the receiving portion 184 is larger than the pore diameter bore portion 186 of the aperture, so as to have limiting effect on link 130. 其中,限位件140与弹性件150收容于收容部184内。 Wherein the stopper member 140 and the elastic member 150 received in the receiving portion 184.

[0037]进一步的,用于注射栗的注射器的推柄卡紧装置100还包括收容于壳体110内的支撑套190及轴销210,支撑套190的一端的端面与底座180固定连接,支撑套190的另一端的相对两侧对应开设有导向滑槽192,且连杆130可转动地穿设于支撑套190,轴销210固定地穿设于连杆130上,且轴销210沿连杆130的径向设置,轴销210伸出连杆130的两端分别收容于支撑套190的相对两侧的导向滑槽192中,并沿导向滑槽192可滑动。 [0037] Further, the push lever clamping device for an injection syringe 100 further includes Li is received in the support sleeve 190 within the housing 110 and the shaft pin 210, support sleeve 180 and the base end surface 190 is fixedly connected to an end of the support corresponding to the other end of the sleeve opposite sides of the chute 190 defines a guide 192, and the link 130 is rotatably disposed through the support sleeve 190, pivot pin 210 is fixedly disposed through the link 130 and pivot pin 210 is connected along radially rod 130, pin 210 projecting rod ends of the shaft 130 are respectively received in the cam track 192 on opposite sides of the support sleeve 190, and 192 may be slid along the guide chute. 具体的,支撑套190包括中通筒部(图未标)及沿中通筒部的一端的边缘设置的凸缘(图未标)。 Specifically, the support sleeve 190 comprises a cylinder portion (not labeled) and a flange along the edge of one end of the cylinder portion provided (not labeled). 其中,凸缘与底座180 固定连接。 Wherein the flange 180 is fixedly connected with the base. 更具体的,导向滑槽192具有直槽部194及与直槽部194连通的螺旋槽部196,并且直槽部194靠近杠杆120设置,轴销210伸出连杆130的两端分别沿螺旋槽部196滑动,以使连杆130转动并朝伸出壳体110的方向滑动。 More specifically, the guide chute 192 has a straight groove portion 194 and the screw groove portion 194 communicates with the straight groove portion 196, and the straight groove portion 194 is provided close to the lever 120, the shaft 210 projecting pin ends 130 respectively along the spiral link a sliding groove portion 196, the link 130 is rotated to protrude toward the direction of the housing 110 and slides. 当按下按钮170时,轴销210的两端沿支撑套190的相对两侧的导向滑槽192滑动,先沿直槽部194滑动,连杆130朝伸出壳体110的方向滑动,夹爪160朝远离壳体110的方向直线运动,然后在螺旋槽部196滑动,连杆130继续朝伸出壳体110的方向滑动的同时做旋转运动,并带动夹爪160继续朝远离壳体110的方向移动的同时做旋转运动,使夹爪160的夹持片164远离柱形固定部162的一端偏离夹持区域,这样便于注射器的放置;当松开按钮170时,在弹性件150的弹性回复力作用下,轴销210先沿螺旋槽部196滑动,连杆130朝缩回壳体110的方向滑动的同时做旋转运动,夹爪160继续朝靠近壳体110的方向移动的同时做旋转运动,直至夹持片164远离柱形固定部162的一端旋转到位于夹持区域的上方,然后轴销210再沿直槽部194滑动,连杆130继续朝缩回到壳体110的方向滑动,夹爪160继续朝靠近壳体110 When the button 170, the guide chute on opposite sides of the pivot pin 210 along the support ends 192 of the sliding sleeve 190, sliding along the first straight groove portion 194, the sliding link 130 extends in the direction of the housing 110, the folder pawl 160 away from the direction of the linear motion toward the housing 110, and the helical groove in the slide portion 196, the link 130 in the direction of the housing 110 continue extending while sliding rotational motion, and to drive the jaw 160 continues to move away from the housing 110 while moving direction of rotational motion, so that the cylindrical fixing portion 164 away from the clamp jaw 160 of end piece 162 deviates from the clamping area, it is easy to place the syringe; when the release button 170, the resilient member 150 is elastic under the restoring force of the shaft pin 210 to slide along the spiral groove portion 196, the link 130 is retracted toward the direction of the housing 110 of the rotary motion while sliding jaw 160 continues to close while moving towards the direction of the housing 110 for rotational movement, until the holding piece 164 away from an end of the cylindrical fixing portion 162 is rotated to the region above the nip, and the axis pin 210 and slide along the straight groove portion 194, the link 130 is retracted into the housing 110 continues to move in the direction of the slide jaw 160 continues to move close to the housing 110 方向做直线运动,最后将注射器的推柄卡紧在壳体11〇上。 Linear motion direction, and finally a push handle of the syringe clamped on the housing 11〇. 通过将导向滑槽210设置成具有直槽部194和螺旋槽部196两个部分,并将直槽部194靠近杠杆120设置,使得夹爪160靠近壳体110的方向移动时,先做螺旋回缩运动,待靠近注射器的推柄的时候,作直线回缩运动,最后压紧注射器的推柄,从而防止了注射器在安装过程中的偏移风险。 210 provided by the guide chute 196 into two portions having a straight groove portion 194 and the spiral groove portions, and the straight groove portion 194 is provided close to the lever 120, so that the direction of the housing 110 near the jaws 160 move back do first spiral contraction to be close to the push handle of the syringe, when linearly retracting movement, and finally pressing push handle of the syringe, the syringe thereby preventing displacement of the risk during installation. 可以理解,导向滑槽192可以设置仅为直槽或仅为螺旋槽的形式。 It will be appreciated, the guide chute 192 may be provided only in the form of linear grooves or a spiral groove only.

[0038] 进一步的,用于注射泵的注射器的推柄卡紧装置100还包括收容于壳体110内、且与杠杆120远离按钮170的一端固定连接的压盖22〇,连杆130远离夹爪160的一端与压盖220 活动连接。 [0038] Further, the syringe pump for injecting the push handle 100 further includes a clamping device housed in the casing 110, and the end of the lever 120 and the lid 22〇 away from the button 170 is fixedly connected to the connecting rod 130 remote from the grip One end of the pawl 220 and the lid 160 is connected activities. 在具体的实施例中,杠杆120远离按钮170的一端与压盖220可转动地固定连接。 In a specific embodiment, the lever 120 remote from the button 170 has one end fixed to the lid 220 is rotatably connected. 具体的,杠杆120远离按钮170的一端与压盖220通过一个轴销实现可转动地固定连接。 Specifically, the lever 120 remote from the button 170 and one end of the lid 220 may be implemented by a pivot pin rotatably fixedly connected. 具体的,压盖220上开设有收容槽222,连杆130远离夹爪160的一端可转动地收容于收容槽222 内。 Specifically, the lid 220 defines a receiving groove 222, one end of link 130 away from the jaw 160 is rotatably received in the receiving slot 222. 具体的,收容槽220大致为凹字形。 Specifically, the receiving groove 220 is substantially concave shape. 压盖220大致为长条形板状。 Gland 220 is substantially elongated plate shape.

[0039] 进一步的,用于注射栗的注射器的推柄卡紧装置100还包括收容于压盖22〇的收容槽222中的轴承230,轴承230套设于连杆130远离夹爪160的一端,并与连杆130过盈配合,在连杆130上套设轴承230便于连杆13〇旋转。 [0039] Further, the push lever clamping device for an injection syringe 100 further comprises a Li received in the receiving groove 222 of the gland 22〇 bearing 230, bearing sleeve 230 provided in an end of the connecting rod 130 away from jaws 160 and an interference fit with the rod 130, the link 130 is provided on the bearing sleeve 230 to facilitate rotation of the link 13〇. 具体的,轴承230的外圈与收容槽222的内壁固定,轴承230的内圈与连杆130过盈配合。 Specifically, the outer ring and the inner wall of the receiving groove 222 of the bearing 230 is fixed, the bearing inner ring 230 of the link 130 through an interference fit. 在具体的实施例中,轴承230套设于连杆130的缩颈部132上,并与缩颈部132过盈配合。 In a specific embodiment, the bearing sleeve 230 provided in the neck portion 130 on the rod 132, and constricted portion 132 with an interference fit. 将轴承23〇套设在连杆130的缩颈部1:32上可以防止轴承230在连杆130上滑动。 23〇 bearing sleeve disposed on the neck portion 130 may be prevented from 1:32 link bearings 230 slide on the rod 130.

[0040] 进一步的,用于注射栗的注射器的推柄卡紧装置100还包括轴套240,轴套240穿设于贯通孔182,并与贯通孔182的侧壁固定连接,连杆13〇可滑动地穿设于轴套240,且连杆130在轴套240内可转动。 [0040] Further, the push lever clamping device for an injection syringe 100 further comprises a Li sleeve 240, the sleeve 240 is disposed through the through hole 182, and the through hole 182 is fixedly connected to the side walls, connecting rod 13〇 slidably disposed through sleeve 240, and the link 130 is rotatable within the sleeve 240. 轴套240具有润滑效果,能够较小连杆13〇在运动过程中受到的摩擦力。 Sleeve 240 having a lubricating effect, can be subjected to a small link 13〇 friction during movement. 可以理解,可以不采用轴套240减小连杆130与底座180的摩擦力,此时,底座18〇使用具有润滑作用的材料。 It will be appreciated, the sleeve 240 may not be employed to reduce the frictional force rod 130 and the base 180, in which case, the base 18〇 material having a lubricating effect.

[0041] 在具体的实施例中,连杆130为两个,收容槽222也为两个,两个收容槽222间隔设置在压盖220的两端,杠杆120远离按钮170的一端与压盖220的中部固定连接,此时,轴承230、轴套240对应两个,且底座180上的贯通孔182对应为两个。 [0041] In a particular embodiment, link 130 is two, two receiving slots 222, two spaced receiving grooves 222 provided at both ends of the lid 220, the lever 120 remote from the button 170 and one end of the gland 220 fixedly connected to the middle, in which case, bearings 230, 240 corresponding to the two bushings and the through-hole in the base of two corresponding to 180,182.

[0042] 请参阅图2,进一步的,用于注射栗的注射器的推柄卡紧装置1〇〇还包括收容于壳体110内的转动杆250,转动杆250的中部与壳体110转动连接,转动杆250的一端的相对两侧分别与按钮170及杠杆120远离压盖220的一端相接触。 [0042] Referring to FIG. 2, a further push lever clamping device for injection with a syringe Li 1〇〇 further comprising a rod received in the housing 110 is rotated 250, rotating lever 250 is rotatably connected to the middle of the housing 110 One end of the button opposite sides respectively of the rotating lever 250 at one end of the lever 120 away from the gland 170 and 220 in contact. 其中,转动杆250的长度大于杠杆120 的长度。 Wherein rotation of the rod 250 is longer than the length of the lever 120. 具体的,转动杆250的另一端与注射栗(图未标)的推杆组件控制柄(图未标)相接触,通过按压按钮17〇,使转动杆250推动杠杆120转动的同时,转动杆250的另一端推动推杆组件控制柄,使推杆组件(图未标)中的螺母(图未示)与丝杆(图未示)脱离,使整个用于注射泵的注射器的推柄卡紧装置100可以沿推杆移动。 Specifically, the other end of the injection Li (not labeled) of the push rod assembly 250 rotates the lever handle (not labeled) in contact 17〇 by pressing a button, so that the lever 250 is rotated while pushing the lever 120 is rotated, the rotating lever the other end 250 of the handle assembly pushes the push rod, the push rod assembly (not labeled) of the nut (not shown) and a screw (not shown) is disengaged, the entire syringe pump for injecting a card push handle clamping device 100 can move along the push rod. 更具体的,转动杆250远离按钮170的一端设有滚轮(图未标),滚轮与推杆组件控制柄相接触。 More specifically, one end of the lever 250 is rotated away from the button 170 is provided with rollers (not labeled), a handle assembly roller and in contact with the push rod. 具体的,转动杆250上设有凸起252, 凸起252与杠杆120远尚压盖220的一端相接触。 Specifically, the projection 252 is provided on the rotating lever 250, the projection 252 and distal end 120 of the lever 220 is still in contact with the lid.

[0043]进一步的,用于注射泵的注射器的推柄卡紧装置100还包括收容于壳体110内的滚轮260,滚轮260固定于杠杆120远离压盖220的一端,转动杆250远离按钮的一侧与滚轮260 相接触,通过转动杆250推压滚轮260而使杠杆120转动。 [0043] Further, the syringe pump for injecting the push handle 100 further includes a clamping apparatus received in the case 110 of the roller 260, the roller 260 is fixed to one end of lever 120 remote from the lid 220, the rotation of the lever 250 away from the button contact with the roller 260 side, by the pressing roller 250 of the lever 120 rotates the rotating lever 260.

[0044] 上述用于注射栗的注射器的推柄卡紧装置1〇〇包括壳体110、杠杆120、连杆130、限位件140、弹性件150、夹爪160及按钮170,由于按钮170与杠杆120的一端相接触,按下按钮170,使其朝壳体110内部的方向滑动以推动杠杆120转动,而使抵推连杆130朝伸出壳体110 的方向滑动,且使与连杆130固定连接的夹爪160朝远离壳体110的方向滑动,可将注射器的推柄放置于壳体110上,松开按钮170,连杆130在弹性件150的作用下,连杆130朝壳体110的内部的方向滑动,并带动夹爪160朝靠近壳体110的方向滑动,从而使注射器的推柄卡紧在夹爪160与壳体110的外表面之间,由于夹爪160是直接压紧在注射器的推柄上的,能够更加牢固的卡紧注射器的推柄上,避免了注射器脱落的风险,较为安全;且所有动作只需要通过单手按压按钮170就能够是实现注射器的安装与拆卸,操作十分方便。 [0044] The push lever clamping device for injection with a syringe 1〇〇 chestnut includes a housing 110, lever 120, link 130, stop member 140, the resilient member 150, the jaws 160 and button 170, since the button 170 in contact with one end of the lever 120, button 170 is pressed, slid towards the inside of the housing 110 to facilitate rotation of the lever 120, the push rod 130 abuts the housing 110 slidably extends in the direction of, and so even with jaws 130 fixedly connected to the rod 160 away from the housing 110 toward the slide, syringe push handle may be placed on the housing 110, release button 170, the link 130 by the elastic member 150, the link 130 toward the direction of the inner housing 110 slides, and driven toward the jaws 160 close to the sliding direction of the casing 110 so that the push handle of the syringe clamped between the jaws 160 and the outer surface of the housing 110, since the jaws 160 directly pressed on the push handle syringe can be on more solid push handle destruct syringes, avoiding the risk of falling syringes, safer; and all the action only need to press the button 170 by a single hand can be achieved syringe installation and removal, easy to operate.

[0045]以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对本发明专利范围的限制。 [0045] The above embodiments are only expressed several embodiments of the present invention, and detailed description thereof is more specific, but can not therefore be understood as limiting the scope of the present invention. 应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。 It should be noted that those of ordinary skill in the art, without departing from the spirit of the present invention, can make various changes and modifications, which fall within the protection scope of the present invention. 因此,本发明专利的保护范围应以所附权利要求为准。 Therefore, the protection scope of the present invention should be subject to the appended claims.

Claims (9)

  1. 1. 一种用于注射泵的注射器的推柄卡紧装置,其特征在于,包括: 壳体; 杠杆,收容于所述壳体内,所述杠杆的中部与所述壳体转动连接; 连杆,可滑动地穿设于所述壳体,且一端与所述杠杆的一端活动连接; 限位件,收容于所述壳体内,并固定于所述连杆上; 固定收容于所述壳体内的底座,所述底座上开设有贯通孔,所述连杆可滑动地穿设于所述贯通孔; 弹性件,收容于所述壳体内,并套设于所述连杆上,且所述弹性件与所述限位件均收容于所述贯通孔内,所述弹性件的一端与所述限位件相抵持,另一端与所述贯通孔的侧壁相抵持; 夹爪,设置于所述壳体上,并与所述连杆远离所述杠杆的一端固定连接,所述夹爪与所述壳体的外表面相配合可卡紧注射器的推柄;及按钮,可滑动地穿设于所述壳体上,所述按钮与所述杠杆远离所述连杆的一端 An injection syringe pump push handle means for gripping, characterized by comprising: a housing; a lever, housed in the housing, the lever is rotatably connected with the housing middle; link , slidably disposed through said housing, and one end of the connection end of the movable lever; stop member received in said housing and fixed to said rod; inner housing received in the fixed a base, said base defines a through hole, said rod being slidably disposed through the through hole; an elastic member, housed within the housing, and sleeved on said link, and said the elastic member and the stopper member are received in the through hole, one end of the elastic member is held against the stopper member, the other end of the through hole of the holder against the side walls; jaw, disposed said upper housing, and fixedly connected to the rod end of the lever remote from the jaw and an outer surface of the housing can be fitted syringe push handle chuck; button and slidably disposed through on said housing, said button and said lever remote from said one end of the link 接触, 所述按钮朝所述壳体内部的方向滑动以推动所述杠杆转动,而使所述连杆朝伸出所述壳体的方向滑动。 Direction of the contact, the push button toward the interior of the sliding housing is rotated to push the lever, the said rod projecting towards the sliding direction of the housing.
  2. 2. 根据权利要求1所述的用于注射泵的注射器的推柄卡紧装置,其特征在于,还包括收容于所述壳体内的支撑套及轴销,所述支撑套的一端的端面与所述底座固定连接,所述支撑套的另一端的相对两侧对应开设有导向滑槽,且所述连杆可转动地穿设于所述支撑套, 所述轴销固定地穿设于所述连杆上,且所述轴销沿所述连杆的径向设置,所述轴销伸出所述连杆的两端分别收容于所述支撑套的相对两侧的导向滑槽中,并沿所述导向滑槽可滑动。 2. The syringe pump for injecting the push handle 1 clamping device as claimed in claim, characterized in further comprising a support sleeve and the shaft housed within the pin housing, one end of the support sleeve and the end face opposite sides of the base corresponding to the other end fixedly connected to the support sleeve defines a cam track, and the link is rotatably disposed through said support sleeve, said pivot pin fixedly disposed through the said upper link and the pivot pin disposed radially of the connecting rod, the projecting ends of the shaft pin link are respectively received in the opposite sides of the guide chute in the support sleeve, and slidable along said guide chute may be.
  3. 3. 根据权利要求2所述的用于注射栗的注射器的推柄卡紧装置,其特征在于,所述导向滑槽具有直槽部及与所述直槽部连通的螺旋槽部,并且所述直槽部靠近所述杠杆设置,所述轴销伸出所述连杆的两端分别沿所述螺旋槽部滑动,以使所述连杆转动并朝伸出所述壳体的方向滑动。 The push handle means for clamping an injection syringe according to Li of claim 2, wherein said guide chute has a straight groove portion and the helical groove portion communicating with the straight groove portion, and the said straight groove portion disposed adjacent to the lever, the ends of the shaft pin projecting rod portions are slid said spiral groove, so that the rotation of the link and projecting towards the housing in the direction of the slide .
  4. 4. 根据权利要求3所述的用于注射栗的注射器的推柄卡紧装置,其特征在于,还包括收容于所述壳体内、且与所述杠杆远离所述按钮的一端固定连接的压盖,所述连杆远离所述夹爪的一端与所述压盖活动连接。 The push handle means for clamping the syringe injection of Li to claim 3, characterized in that, further comprising a housing within said housing, and an end of the lever remote from the push button is pressed fixedly connected lid, said jaws away from the rod end is connected to the gland activity.
  5. 5. 根据权利要求4所述的用于注射泵的注射器的推柄卡紧装置,其特征在于,所述压盖上开设有收容槽,所述连杆远离所述夹爪的一端可转动地收容于所述收容槽内。 The syringe pumps for the push handle 4 of the clamping device as claimed in claim, wherein said receiving slot is defined on the lid, one end of the rod remote from the jaw is rotatably received in the receiving groove.
  6. 6. 根据权利要求5所述的用于注射泵的注射器的推柄卡紧装置,其特征在于,还包括收容于所述收容槽中的轴承,所述轴承套设于所述连杆远离所述夹爪的一端,并与所述连杆过盈配合。 6. The syringe pump for injecting a push handle of claim 5 clamping device as claimed in claim, characterized in that, further comprising a bearing received in the receiving groove, the bearing sleeve is disposed remote from the rod said one end of the jaw, and the link with an interference fit.
  7. 7. 根据权利要求6所述的用于注射栗的注射器的推柄卡紧装置,其特征在于,所述连杆的一端形成缩颈部,所述轴承套设于所述缩颈部上,并与所述缩颈部过盈配合。 The push handle means for clamping an injection syringe of the Li claimed in claim 6, wherein one end of the link forming the constricted portion, the bearing sleeve disposed on said narrowed portion, and said constricted portion and an interference fit.
  8. 8. 根据权利要求3所述的用于注射泵的注射器的推柄卡紧装置,其特征在于,还包括轴套,所述轴套穿设于所述贯通孔,并与所述贯通孔的侧壁固定连接,所述连杆可滑动地穿设于所述轴套,且所述连杆在所述轴套内可转动。 8. A syringe pump for injecting push lever clamping device according to claim 3, characterized in that, further comprising a sleeve, said sleeve disposed through the through hole, and the through hole side walls is fixedly connected to the rod is slidably disposed through said sleeve and said rotatable rod within said sleeve.
  9. 9. 根据权利要求1所述的用于注射泵的注射器的推柄卡紧装置,其特征在于,所述夹爪包括中通的柱形固定部及一侧与所述柱形固定部固定连接的夹持片,所述连杆远离所述杠杆的一端固定地穿设于所述柱形固定部,所述夹持片与壳体的外表面相配合可卡紧所述注射器的推柄。 Push lever clamping device according to claim syringe infusion pump according to claim 1, characterized in that the jaws on one side of the cylindrical fixing portion and the fixing portion fixed to the cylindrical connector comprising the holding piece, said rod remote from said one end of the lever is fixedly disposed through the cylindrical fixing portion, the outer surface of the clamping piece cooperating with the housing can be snapped tight push handle of the syringe.
CN 201310671832 2013-12-10 2013-12-10 Syringe pumps for push lever clamping device CN104689425B (en)

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CN 201310671832 CN104689425B (en) 2013-12-10 2013-12-10 Syringe pumps for push lever clamping device
PCT/CN2014/093505 WO2015085929A1 (en) 2013-12-10 2014-12-10 Syringe plunger clamping device for syringe pumps

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JP5242972B2 (en) * 2007-08-10 2013-07-24 株式会社テクトロン Method of holding the syringe pump and pusher
CN201524307U (en) * 2008-06-03 2010-07-14 惠州益邦科技有限公司 Multifunctional injection pump with TCI learning mode
CN102046226A (en) * 2008-06-03 2011-05-04 泰尔茂株式会社 Syringe pump

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