WO2016058143A1 - 一种牵引器开关装置 - Google Patents

一种牵引器开关装置 Download PDF

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Publication number
WO2016058143A1
WO2016058143A1 PCT/CN2014/088645 CN2014088645W WO2016058143A1 WO 2016058143 A1 WO2016058143 A1 WO 2016058143A1 CN 2014088645 W CN2014088645 W CN 2014088645W WO 2016058143 A1 WO2016058143 A1 WO 2016058143A1
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Prior art keywords
switch
lock block
housing
working position
locking
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PCT/CN2014/088645
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English (en)
French (fr)
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施福有
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Individual
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Individual
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Priority to PCT/CN2014/088645 priority Critical patent/WO2016058143A1/zh
Priority to EP14903971.1A priority patent/EP3207794B1/en
Publication of WO2016058143A1 publication Critical patent/WO2016058143A1/zh
Anticipated expiration legal-status Critical
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01K—ANIMAL HUSBANDRY; AVICULTURE; APICULTURE; PISCICULTURE; FISHING; REARING OR BREEDING ANIMALS, NOT OTHERWISE PROVIDED FOR; NEW BREEDS OF ANIMALS
    • A01K27/00—Leads or collars, e.g. for dogs
    • A01K27/003—Leads, leashes
    • A01K27/004—Retractable leashes

Definitions

  • the utility model relates to a tractor, in particular to a tractor switch device which is more convenient for locking and opening operation of a wire wheel.
  • the tractor is widely used in the pet-loving population, which solves many problems, but the prior art tractor still has many deficiencies.
  • the user needs to separate the locking and unlocking process of the tractor.
  • the operation and the structure of the tractor are complicated, easy to damage, and difficult to repair, and cannot meet the needs of the user.
  • the utility model provides a tractor switching device, which is more convenient for locking and opening operation of the wire wheel, and has a simple structure and is durable.
  • a tractor switching device includes a housing 1 in which a retractable reel 2, a lock block 3 and a switch 4 for winding a dog leash are disposed; the switch 4 controls the lock block 3 in a working position and is not in operation When the position is switched, and the lock block 3 is in the working position, the reel 2 is prevented from rotating; the lock block 3 has a latch end 31 that is engaged with the reel 2, and is fixedly connected to the housing 1.
  • the end 32, the lock block 3 is rotated at a center of the fixed end 32 to switch the lock end 31 between the working position and the non-working position;
  • the fixed end 32 is provided with a torsion spring 33, and the torsion spring 33 is given to the lock block 3
  • the side wall of the reel 2 surrounds the buckle 21 of the center array of the reel rotation and the locking block, and when the locking block 3 is rotated to the working position,
  • the latch end 31 is engaged with the buckle 21 .
  • the switch 4 includes a switch body 41.
  • the upper portion of the switch body 41 is located outside the casing 1 and has an outer contour that matches the appearance of the casing 1.
  • the upper end of the switch body 41 is provided with a rolling pressure for manual pressure.
  • a portion 42 of the switch body is located in the housing 1 and includes:
  • a support portion 43 disposed at a lower left end of the switch main body 41, the support portion 43 being mounted in a lateral guide groove 11 provided in the housing 1 by a fixed pin shaft 431, the pin shaft 431 being slidable in the guide groove 11 move;
  • a limiting post 44 disposed at a lower right end of the switch body 41, the limiting post 44 being mounted in an L-shaped chute 12 disposed in the housing 1, the limiting post 44 being movable up and down along the L-shaped chute 12. And push-pull movements before and after;
  • the front end of the support portion 43 extends from a positioning rod 46 that cooperates with the inner wall of the casing 1.
  • the positioning rod 46 is sequentially disposed on the left and right sides of the inner wall of the casing 1.
  • the two positioning grooves 13 and 14 are switched, and a protruding stop portion 15 is disposed between the two positioning grooves 13 and 14.
  • the safety lock block 47 is pressed downward from the obliquely upward direction against the lock end 31, and the safety lock block 47 is a portion between the connection support portion 43 and the lower portion of the switch main body 41.
  • the securing member includes a retaining member 51 that prevents the lock block 3 from being pulled off, and the securing member includes a stopper 51 that is convexly disposed in the middle portion of the lock block 3, and a baffle 52 that is disposed on the inner wall of the housing 1 and that cooperates with the stopper 51.
  • the bottom of the pressing rod 45 is pinned to a rotating shaft 451, and the rotating shaft 451 is opposite to the locking block 3.
  • the utility model has the beneficial effects that the utility model provides a tractor switching device, which combines the opening and locking operation of the tractor with a simple structure of the rolling type switch, and the hand pressing push-pull button is flexible and easy to use.
  • the wire wheel 2 can be temporarily stopped.
  • the wire wheel 2 can be rotated.
  • the button is pulled back to achieve complete locking; otherwise, the hand push and push button is pushed forward. Unlocking function; setting multiple protection and breaking measures, sturdy structure and durable.
  • FIG. 1 is a schematic structural view of a specific embodiment of the present invention.
  • FIG. 2 is an exploded perspective view of a specific embodiment of the present invention.
  • FIG. 3 is a schematic structural view of a switch 4 in a specific embodiment of the present invention.
  • FIG. 4 is a schematic view of an action state 1 of a specific embodiment of the present invention.
  • Figure 5 is a schematic view of an action state 2 of a specific embodiment of the present invention.
  • the embodiment provides a tractor switch device.
  • the switch device of the tractor includes a housing 1 in which a retractable reel 2 with a dog leash is disposed.
  • the lock block 3 has a latch end 31 that is engaged with the reel 2, and a fixed end 32 that is connected to the housing 1, and the lock block 3 is rotated at a center of the fixed end 32.
  • the locking end 31 is switched between a working position and a non-working position;
  • the fixed end 32 is provided with a torsion spring 33, and the torsion spring 33 applies a torsion force to the locking block 3 to rotate the locking end 31 to the inoperative position;
  • the side wall of the reel 2 surrounds the buckle 21 of the rotation center array of the reel and the lock block.
  • the switch 4 includes a switch body 41.
  • the upper half of the switch body 41 is located outside the casing 1 and has an outer contour that matches the appearance of the casing 1.
  • the switch body 41 is provided.
  • the upper right end is provided with a pressing portion 42 for manual pressing, and the lower half of the switch body is located inside the casing 1, and includes a supporting portion 43 provided at a lower left end of the switch main body 41, the supporting portion 43 passing through the fixed pin
  • the 431 is mounted in a lateral guide groove 11 provided in the housing 1, and the pin shaft 431 is slidable in the guide groove 11; and the switch 4 is rotated by the support portion 43 with the pin shaft 431 as an axis; the switch body 41
  • the lower right end is provided with a limiting post 44, and the limiting post 44 is mounted in an L-shaped chute 12 disposed in the housing 1, and the L-shaped chute is connected by a vertical section chute and a horizontal section chute.
  • the limit column 44 can be moved up and down along the L-shaped chute
  • the pressing rod 45 is composed of two rods placed in parallel with each other, and the bottom of the rod body is pinned to a rotating shaft 451, and the rotating shaft 451 is rotatably contacted and offset by the locking block 3
  • the rotating shaft 451 rotates to cancel the frictional force generated between the locking surface 3 and the contact surface of the locking block 3, thereby reducing the force required for the user to drive the locking block 3.
  • the front end of the support portion 43 of the switch 4 extends with a positioning rod 46 that cooperates with the inner wall of the casing 1.
  • the The positioning rods 46 are switched between the first positioning groove 13 and the second positioning groove 14 which are disposed on the left and right sides of the inner wall of the housing 1 , and a protruding stop portion 15 is disposed between the first positioning groove 13 and the second positioning groove 14 .
  • the positioning rod 46 When the switch 4 is in the open state, the positioning rod 46 is in the first positioning groove 13, and when the switch 4 performs the locking operation, the positioning rod 46 moves to the right together with the support portion 43 while the positioning rod 46 The stop portion 15 is inserted into the second positioning groove 14, and the limit post 44 is pushed to the right to the rightmost end of the horizontal section of the L-shaped chute 12.
  • the positioning rod 46 should have a certain elasticity, and when it passes through the stopping portion 15, a certain deformation is generated, and when the positioning rod 46 enters the second positioning groove 14, the stopping portion 15 is The positioning rod 46 cooperates to keep the switch 4 in a locked state; when the positioning rod 46 slides over the stop portion 15 on the outer casing, a slight sound is also emitted, and the user may also be locked to indicate whether the hand pressure switch is completed or Unlock the action.
  • the safety lock block 47 is pressed downward from the obliquely upward direction against the lock end 31, and the safety lock block 47 is a portion between the connection support portion 43 and the lower portion of the switch main body 41, when Switch When the limiting post 44 of the 4 is pushed to the right to the rightmost end of the horizontal section of the L-shaped chute 12, the safety lock block 47 is offset from the oblique upper side of the locking end 41 to prevent the lock from being caused by the huge pulling force generated by the sudden opening of the pet. Block 3 is disengaged from the reel 2.
  • the safety member for preventing the lock block 3 from being broken is further included, the safety member includes a stopper 51 which is convexly disposed in the middle portion of the lock block 3, and the inner wall of the housing 1 is provided to cooperate with the stopper 51.
  • the baffle 52 when the lock block 3 rotates, the baffle 52 always abuts against the stop 51 provided in the middle of the lock block 3, preventing the huge pulling force generated when the pet suddenly runs, causing the lock block 3 to break from the middle portion.
  • the tractor switch device provided by the embodiment combines the opening and locking operations of the tractor through a simple pressure-type switch, and is provided with multiple protection measures, and has a firm structure and durability.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Push-Button Switches (AREA)
  • Emergency Lowering Means (AREA)

Abstract

一种牵引器开关装置，包括壳体（1），所述壳体（1）中设置缠绕狗绳的可伸缩线轮（2）、锁块（3）以及开关（4）；开关（4）控制锁块（3）在工作位置和非工作位置之间转换，所述锁块处于工作位置时，阻止所述线轮（2）转动；所述锁块（3）具有与线轮（2）卡接的锁扣端（31），以及与壳体（1）连接的固定端（32），所述锁块（3）以固定端（32）为圆心旋转使锁扣端（31）在工作位置和非工作位置之间转换；所述固定端（32）设置扭簧（33），所述扭簧（33）给锁块（3）施加使锁扣端（31）转动至非工作位置的扭力；所述线轮（2）侧壁环绕线轮旋转中心阵列的设置与锁块配合的卡扣（21），所述锁块（3）旋转至工作位置时，其锁扣端（31）与所述卡扣（21）卡接；本牵引器开关装置，通过结构简单的摁压式开关，使牵引器的打开与锁紧操作结合在一起，灵活易用；设置多重保护防断措施，坚固耐用。

Description

一种牵引器开关装置 技术领域
本实用新型涉及一种牵引器，尤其指一种更易对线轮进行锁紧与打开操作的牵引器开关装置。
背景技术
目前，牵引器在养宠物的人群中应用十分普遍，其解决了很多问题，但现有技术的牵引器仍存在很多不足，如现有技术中，使用者对牵引器的锁定与解锁过程需分开操作，且牵引器结构较复杂，容易损坏，且修复困难，不能满足使用者的需要。
实用新型内容
为解决上述问题，本实用新型提供一种牵引器开关装置，其更易对线轮进行锁紧与打开操作，且结构简单，坚固耐用。
为实现上述目的，本实用新型采用如下技术方案：
一种牵引器开关装置，包括壳体1，所述壳体1中设置缠绕狗绳的可伸缩线轮2、锁块3以及开关4；所述开关4控制锁块3在工作位置和非工作位置之间转换，且所述锁块3处于工作位置时，阻止所述线轮2转动；所述锁块3具有与线轮2卡接的锁扣端31，以及与壳体1连接的固定端32，所述锁块3以固定端32为圆心旋转使锁扣端31在工作位置和非工作位置之间转换；所述固定端32设置扭簧33，所述扭簧33给锁块3施加使锁扣端31转动至非工作位置的扭力；所述线轮2侧壁环绕线轮旋转中心阵列的设置与锁块配合的卡扣21，所述锁块3旋转至工作位置时，其锁扣端31与所述卡扣21卡接。
优选的，所述开关4包括开关主体41，所述开关主体41上部位于壳体1外且具有与壳体1外观配合的外轮廓，所述开关主体41上部右端设置供人手摁压的摁压部42，所述开关主体下部位于壳体1内，其包括：
设置在开关主体41下部左端的支撑部43，所述支撑部43通过固定的销轴431安装在壳体1内设置的横向导向槽11中，所述销轴431可在导向槽11中滑 动；
设置在开关主体41下部右端的限位柱44，所述限位柱44安装在壳体1内设置的L型滑槽12中，所述限位柱44可沿L形滑槽12做上下运动及前后推拉运动；
以及设置在开关主体41下部中间的压杆45，所述压杆45与锁块3中段相抵。
优选的，所述支撑部43前端延伸设置与壳体1内壁配合的定位杆46，所述支撑部43在导向槽11中左右滑动时，所述定位杆46在壳体1内壁左右依次设置的两个定位槽13、14之间切换，两定位槽13、14之间设置凸出的止挡部15。
优选的，包括从斜上方向下抵住锁扣端31的保险锁块47，所述保险锁块47为连接支撑部43与开关主体41下部之间的部分。
优选的，包括防止锁块3被拉断的保险构件，所述保险构件包括锁块3中段凸出设置的挡块51，以及壳体1内壁设置的与挡块51配合的挡板52。
优选的，所述压杆45底部销接一转轴451，所述转轴451与锁块3相抵。
本实用新型的有益效果在于：本实用新型提供一种牵引器开关装置，通过结构简单的摁压式开关，使牵引器的打开与锁紧操作结合在一起，手压推拉按钮，灵活易用，按下手压按钮时线轮2可临时止动，放开手压按钮时线轮2即可恢复转动，按下手压按钮同时往后拉，实现完全锁定；反之，往前推动手压推拉按钮完成开锁功能；设置多重保护防断措施，结构坚固，经久耐用。
附图说明
图1是本实用新型的具体实施例结构示意图；
图2是本实用新型的具体实施例分解示意图；
图3是本实用新型的具体实施例中开关4结构示意图；
图4是本实用新型的具体实施例动作状态1示意图；
图5是本实用新型的具体实施例动作状态2示意图；
图中标号：1-壳体  2-线轮  3-锁块  4-开关  31-锁扣端  32-固定端  33-扭簧  21-卡扣  41-开关主体  42-摁压部  43-支撑部  44-限位柱  431-销轴  451-转轴  11-导向槽  12-L形滑槽  45-压杆  46-定位杆  13-第一定位槽  14-第二定位槽  15-止挡部  47-保险锁块  51-挡块  52-挡板。
具体实施方式
为使本实用新型的上述目的、特征和优点能够更加明显易懂，下面结合附图对本实用新型的具体实施方式做详细的说明。
在下面的描述中阐述了很多具体细节以便于充分理解本实用新型，但是本实用新型还可以采用其他不同于在此描述的其它方式来实施，本领域技术人员可以在不违背本实用新型内涵的情况下做类似推广，因此本实用新型不受下面公开的具体实施例的限制。
其次，本实用新型结合示意图进行详细描述，在详述本实用新型实施例时，为便于说明，表示装置结构的剖面图会不依一般比例作局部放大，而且所述示意图只是示例，其在此不应限制本实用新型保护的范围。此外，在实际制作中应包含长度、宽度及深度的三维空间尺寸。
本实施例提供了一种牵引器开关装置，如图1、图2所示，所述牵引器的开关装置包括壳体1，所述壳体1中设置缠绕狗绳的可伸缩线轮2、锁块3以及开关4；其中，所述开关4控制锁块3在工作位置和非工作位置之间转换，且所述锁块3处于工作位置时，阻止所述线轮2转动。
其中，如图1所示，所述锁块3具有与线轮2卡接的锁扣端31，以及与壳体1连接的固定端32，所述锁块3以固定端32为圆心旋转使锁扣端31在工作位置和非工作位置之间转换；所述固定端32设置扭簧33，所述扭簧33给锁块3施加使锁扣端31转动至非工作位置的扭力；所述线轮2侧壁环绕线轮旋转中心阵列的设置与锁块配合的卡扣21，所述锁块3旋转至工作位置时，其锁扣端31与所述卡扣21卡接。
其中，如图2、图3所示，所述开关4包括开关主体41，所述开关主体41上半部分位于壳体1外且具有与壳体1外观配合的外轮廓，所述开关主体41上部右端设置供人手摁压的摁压部42，所述开关主体下半部分位于壳体1内，其包括设置在开关主体41下部左端的支撑部43，所述支撑部43通过固定的销轴431安装在壳体1内设置的横向导向槽11中，所述销轴431可在导向槽11中滑动；同时所述开关4通过支撑部43以销轴431为轴旋转；所述开关主体41下部右端设置限位柱44，所述限位柱44安装在壳体1内设置的L形滑槽12中，所述L形滑槽由竖直段的滑槽及水平段的滑槽连接而成，所述限位柱44可沿L形滑槽12做上下运动及前后推拉运动；所述开关主体41下部中间设置压杆45， 所述压杆45与锁块3中段相抵。
如图4、图5所示，本实施例中，需要临时阻止线轮2转动时，通过摁压开关4的摁压部42，对限位柱44施加向下的力，使限位柱44下移至L形滑槽12的竖直段底部，同时所述开关主体41下部中间设置的压杆45将锁块3向下推至与线轮2侧壁设置的卡扣21卡接，实现锁紧，打开时松开开关，当需要对线轮2持续锁定时，进行上述锁紧步骤后，对开关4的摁压部42施加向右的力，使限位柱44右移至L形滑槽12的水平段最右端，同时支撑部43连同销轴431在导向槽11中向右移动相同距离，实现对线轮的锁紧操作，打开时仅需对开关4的摁压部42施加向左的力，使限位柱44左移至L形滑槽12的水平段滑槽最左端，松开开关4，锁块3的锁扣端31受其固定端32设置的扭簧33作用回到非工作位置，进而与线轮2上的卡扣21分离，实现开锁操作。
优选的，如图2所示，所述压杆45由两个相对平行放置的杆体构成，所述杆体底部销接一转轴451，所述转轴451可转动的与所述锁块3接触并相抵，该实施例中，所述压杆45对锁块3施力时，所述转轴451转动抵消其与锁块3接触面之间产生的摩擦力，减少使用者驱动锁块3所需的力。
优选的，如图1、图3所示，所述开关4的支撑部43前端延伸设置与壳体1内壁配合的定位杆46，所述支撑部43在导向槽11中左右滑动时，所述定位杆46在壳体1内壁左右依次设置的第一定位槽13、第二定位槽14之间切换，所述第一定位槽13与第二定位槽14之间设置凸出的止挡部15，开关4呈打开状态时，所述定位杆46在第一定位槽13中，当开关4进行锁紧操作时，所述定位杆46同支撑部43一起向右移动，同时所述定位杆46划过止挡部15进入第二定位槽14中，此时所述限位柱44向右推至L形滑槽12水平段最右端。
需要说明的是，所述定位杆46应当具有一定弹性，当其通过止挡部15时会产生一定的形变，同时在所述定位杆46进入第二定位槽14中时，止挡部15与定位杆46配合使开关4保持锁紧状态；当定位杆46滑过外壳上的止挡部15时，也会有轻微的声音发出，也可以起到提示使用者手压开关是否完成的锁定或者解锁动作。
上述实施例中，优选的，包括从斜上方向下抵住锁扣端31的保险锁块47，所述保险锁块47为连接支撑部43与开关主体41下部之间的部分，当所述开关 4的限位柱44向右推至L形滑槽12水平段最右端时，所述保险锁块47从锁扣端41的斜上方与其相抵，防止因宠物突然跑开产生的巨大拉力使锁块3与线轮2脱开。
上述实施例中，优选的，还包括防止锁块3被拉断的保险构件，所述保险构件包括锁块3中段凸出设置的挡块51，以及壳体1内壁设置的与挡块51配合的挡板52，所述锁块3转动时，所述挡板52始终抵住所述锁块3中段设置的挡块51，防止宠物突然跑动时产生的巨大拉力使锁块3从中部断裂。
本实施例所提供的牵引器开关装置，通过结构简单的摁压式开关，使牵引器的打开与锁紧操作结合在一起，同时设置多重保护措施，结构坚固，经久耐用。
虽然本实用新型已以较佳实施例披露如上，然而并非用以限定本实用新型。任何熟悉本领域的技术人员，在不脱离本实用新型技术方案范围情况下，都可利用上述揭示的方法和技术内容对本实用新型技术方案作出许多可能的变动和修饰，或修改为等同变化的等效实施例。因此，凡是未脱离本实用新型技术方案的内容，依据本实用新型的技术实质对以上实施例所做的任何简单修改、等同变化及修饰，均仍属于本实用新型技术方案保护的范围内。

Claims (6)

  1. 一种牵引器开关装置，其特征在于，包括壳体(1)，所述壳体(1)中设置缠绕狗绳的可伸缩线轮(2)、锁块(3)以及开关(4)；所述开关(4)控制锁块(3)在工作位置和非工作位置之间转换，且所述锁块(3)处于工作位置时，阻止所述线轮(2)转动；所述锁块(3)具有与线轮(2)卡接的锁扣端(31)，以及与壳体(1)连接的固定端(32)，所述锁块(3)以固定端(32)为圆心旋转使锁扣端(31)在工作位置和非工作位置之间转换；所述固定端(32)设置扭簧(33)，所述扭簧(33)给锁块(3)施加使锁扣端(31)转动至非工作位置的扭力；所述线轮(2)侧壁环绕线轮旋转中心阵列的设置与锁块配合的卡扣(21)，所述锁块(3)旋转至工作位置时，其锁扣端(31)与所述卡扣(21)卡接。
  2. 如权利要求1所述的一种牵引器开关装置，其特征在于，所述开关(4)包括开关主体(41)，所述开关主体(41)上部位于壳体(1)外且具有与壳体(1)外观配合的外轮廓，所述开关主体(41)上部右端设置供人手摁压的摁压部(42)，所述开关主体下部位于壳体(1)内，其包括：
    设置在开关主体(41)下部左端的支撑部(43)，所述支撑部(43)通过固定的销轴(431)安装在壳体(1)内设置的横向导向槽(11)中，所述销轴(431)可在导向槽(11)中滑动；
    设置在开关主体(41)下部右端的限位柱(44)，所述限位柱(44)安装在壳体(1)内设置的L型滑槽(12)中，所述限位柱(44)可沿L形滑槽(12)做上下运动及前后推拉运动；
    以及设置在开关主体(41)下部中间的压杆(45)，所述压杆(45)与锁块(3)中段相抵。
  3. 如权利要求2所述的一种牵引器开关装置，其特征在于，所述支撑部(43)前端延伸设置与壳体(1)内壁配合的定位杆(46)，所述支撑部(43)在导向槽(11)中左右滑动时，所述定位杆(46)在壳体(1)内壁左右依次设置的两个定位槽(13)、(14)之间切换，两定位槽(13)、(14)之间设置凸出的止挡部(15)。
  4. 如权利要求2所述的一种牵引器开关装置，其特征在于，包括从斜上方向下抵住锁扣端(31)的保险锁块(47)，所述保险锁块(47)为连接支撑部(43)与开关主体(41)下部之间的部分。
  5. 如权利要求2所述的一种牵引器开关装置，其特征在于，包括防止锁块(3)被拉断的保险构件，所述保险构件包括锁块(3)中段凸出设置的挡块(51)，以及壳体(1)内壁设置的与挡块(51)配合的挡板(52)。
  6. 如权利要求2所述的一种牵引器开关装置，其特征在于，所述压杆(45)底部销接一转轴(451)，所述转轴(451)与锁块(3)相抵。
PCT/CN2014/088645 2014-10-15 2014-10-15 一种牵引器开关装置 Ceased WO2016058143A1 (zh)

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