WO2017067069A1 - 宠物牵引绳 - Google Patents

宠物牵引绳 Download PDF

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Publication number
WO2017067069A1
WO2017067069A1 PCT/CN2015/099212 CN2015099212W WO2017067069A1 WO 2017067069 A1 WO2017067069 A1 WO 2017067069A1 CN 2015099212 W CN2015099212 W CN 2015099212W WO 2017067069 A1 WO2017067069 A1 WO 2017067069A1
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WO
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Prior art keywords
rope
lower case
cavity
upper cover
cover
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PCT/CN2015/099212
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English (en)
French (fr)
Inventor
李新
Original Assignee
张家港晓鑫五金制造有限公司
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Publication of WO2017067069A1 publication Critical patent/WO2017067069A1/zh

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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
    • 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

Definitions

  • the invention relates to the field of pet supplies, and in particular to a pet leash.
  • the existing pet leash rope includes a rope. The two ends of the rope are respectively connected with a lock head.
  • connection between the rope and the lock head is as follows: the rope head of the rope bypasses the buckle of the tail of the lock, and then the rope The head and the rope are sleeved together in the aluminum tubular locking member, and then the locking member is flattened to fix the rope head and the rope together to achieve the purpose of connecting the rope with the lock.
  • the connection between the rope and the lock in the pet leash has the following disadvantages: First, the lock is gradually worn during use, causing the lock to break, but the above between the rope and the lock is used. After the stamping connection method, it is no longer possible to disassemble and replace the lock head. Even if the rope is intact, it is necessary to re-purchase the entire pet leash and cause waste. Second, when the aluminum tubular locking member is directly stamped on the surface of the rope, it will cause the rope. A certain amount of wear reduces the pulling load of the pet leash, increases the possibility of the pet leash breaking, and shortens the service life of the product.
  • the technical problem to be solved by the present invention is to provide a pet leash which is simple in structure and easy to disassemble and replace the lock.
  • a pet leash comprising: a rope, a lock is connected to at least one end of the rope, and a lock is connected between the lock and the rope.
  • the connecting device comprises a detachably connected upper cover and a lower case.
  • a cavity for holding the rope is formed between the upper cover and the lower case;
  • the front wall of the casing is provided with a through hole for threading the rope, and the rear wall of the lower casing is provided with two rope notches penetrating through the rear wall, respectively being the first and second rope notches;
  • An intermediate plate is arranged in the cavity, and two bundle rope slots are also arranged on the intermediate plate, which are respectively the third and fourth bundle rope slots; the intermediate plate divides the cavity into two, respectively being the first at the front end a cavity and a second cavity at the rear end; one end of the rope passes through the through hole and then sequentially puts into the third and first rope notch, and then wears the buckle on the lock, and then puts it in turn
  • the second and fourth bundles of rope slots are arranged so that the rope head of the rope is surrounded by the first cavity, and the buckle of the rope fixed to the rope head can be blocked by the fourth rope slot and cannot be retracted;
  • a first groove and a second groove are respectively disposed on a bottom surface of the second cavity, and the first groove is located between the first and third bundle slots;
  • the two grooves are located between the second and fourth rope groove slots.
  • bottom surfaces of the first and second grooves are arc-shaped bottom surfaces.
  • the specific connecting structure between the upper cover and the lower case is: a screw that is vertically upwardly disposed in the lower case, and the upper cover is provided to be worn up and down
  • the through hole of the screw is arranged, and the upper cover can be closed on the top of the lower case body by the cooperation of the through hole and the screw, and then the lock nut is tightened on the screw to fasten the upper cover and the lower case body.
  • the specific connecting structure between the upper cover and the lower case is: a screw that is vertically upwardly disposed in the lower case, and the upper cover includes a front cover that is separated from each other and the rear An end cover, the bottom of the front end cover is disposed downwardly and has a shape opposite to a side wall of the lower case Cooperating convex teeth, the protruding teeth can be buckled in the side wall of the lower casing so that the front end cover is capped on the upper part of the first cavity; the rear end of the front end cover is further provided with a rearwardly extending convex shape matching the shape of the rear end cover A threaded through hole matching the screw is disposed in the rear end cover, and the rear end cover can be closed on the upper part of the second cavity when the rear end cover is tightened by the cooperation of the threaded through hole and the screw The rope in the second cavity is fastened and positioned in the lower case, and the rear end cover can also press the flange of the front
  • the first, second, third, and fourth bundle slots are notches that are open at the upper end, when the upper cover is fastened to the lower case
  • the notch can be covered by the upper cover.
  • the invention has the beneficial effects that the surface of the rope is not directly stamped, the wear of the rope itself is not caused, the service life of the product is prolonged, the structure is simple, the lock can be disassembled and replaced at any time, and the environment is environmentally friendly.
  • FIG. 1 is a schematic structural view of a pet leash according to the present invention.
  • FIG. 2 is a schematic structural view of the connecting device described in FIG. 1.
  • FIG. 3 is a schematic structural view of the bottom view of FIG. 2.
  • FIG. 4 is a schematic cross-sectional view taken along line A-A of FIG. 3.
  • Figure 5 is a schematic view showing the state in which the rope and the lock are connected in Figure 4;
  • the pet traction rope includes: a rope 5 , There is a lock head 6 at the two end joints of the rope 5, and the lock head 6 and the rope 5 are connected by a connecting device 7, and the connecting device 7 comprises a top cover 1 and a lower box which are detachably connected. 2.
  • a cavity 9 for holding the rope 5 is formed between the upper cover 1 and the lower case 2; the front wall of the lower case 2 is provided with a utility for piercing
  • the through hole 201 of the rope 5 and the rear wall of the lower casing 2 are provided with two rope notches extending through the rear wall, respectively being the first and second rope notches 202, 203; the cavity 9 is provided with the middle
  • the plate 204 and the intermediate plate 204 are also provided with two bundle slots, which are third and fourth bundle slots 205 and 206, respectively; and the first, second, third and fourth bundle slots 202 203, 205, 206 are all open mouths of the upper end.
  • the intermediate plate 204 divides the cavity 9 into two, which are a first cavity 91 at the front end and a second cavity 92 at the rear end; one end of the rope 5 passes through the through hole 201.
  • the third and first rope notches 205 and 202 are sequentially placed, and then the shackles 601 around the tail of the lock head 6 are inserted, and then the second and fourth rope notches 203 and 206 are sequentially placed.
  • a first groove 207 and a second groove 208 are respectively disposed on the bottom surface of the second cavity 92, and the first groove 207 is located in the first and third beam grooves.
  • the second recess 208 is located between the second and fourth bundle slots 203, 206, and the bottom surfaces of the first recess 207 and the second recess 208 are arc-shaped bottom surfaces.
  • the upper cover 1 and the lower case 2 are adopted between The lower connecting structure: the lower case 2 is provided with a vertically upwardly extending screw 3, and the upper cover 1 includes a front end cover 101 and a rear end cover 102 which are separated from each other, and the bottom end of the front end cover 101 is provided with a lower case and a lower case 2 convex teeth with matching side wall shapes, the convex teeth can be buckled in the side wall of the lower casing 2 so that the front end cover 101 is covered on the upper portion of the first cavity 91; the rear end of the front end cover 101 is further provided with a rearward extension a flange 1011 that cooperates with the shape of the rear end cover 102.
  • the rear end cover 102 is provided with a threaded through hole matched with the screw 3 in the up-and-down direction. When the threaded through hole is engaged with the screw 3, the rear end cover is tightened. At 102 o'clock, the rear end cover 102 can cover the upper portion of the second cavity 92 and securely position the string 5 in the second cavity 92 in the lower case 2, while the rear end cover 102 can also press the front end cover The flange 1011 of 101 thus presses the front end cover 101.
  • the lock nut 4 is tightened on the screw 3 to further securely connect the rear end cover 102 and the lower case 2 together.
  • connection structure between the upper cover 1 and the lower case 2 may be such that the lower case 2 is provided with a vertically upwardly extending screw 3, and the upper cover 1 is provided with a vertical through hole for insertion.
  • the through hole of the screw 3 is engaged with the screw 3 through the through hole, and the upper cover 1 can be closed on the top of the lower case 2, and then screwed on the screw with a lock nut to fasten the upper cover 1 and the lower case 2
  • the structure is simple and the connection is reliable.
  • the method for using the pet leash according to the present invention is as follows: when installing, the lock nut 4 is unscrewed, the rear end cover 102 is unscrewed, the front end cover 101 is removed, and then the rope 5 is passed through the through hole 201, and then placed in turn.
  • the third bundle of notches 205 and the first bundle of notches 202 are inserted into the third bundle of slots 203 and the fourth bundle of notches 601, and then the second bundle of notches 203 and the fourth bundle of notches 206 are sequentially placed.
  • the back button 51 of the rope head is located in the first cavity 91 and can be blocked by the fourth rope notch 206 and cannot be retracted.
  • the rope 5 is pulled backward, and the back button 51 can be blocked in the intermediate plate 204.
  • the front side makes the rope 5 unable to move backwards, so that the movable range of the dog is fixed; then the front end cover 101 is tightened, the rear end cover 102 is tightened, and the lock nut 4 is tightened, and the rear end cover 102 will be in the first
  • the rope 5 in the two chambers 92 is pressed and positioned in the first and second grooves 207, 208, effective Prevent the rope 5 from slipping and enhance stability.
  • the pet traction rope of the invention has the following advantages: First, there is no need to directly punch the surface of the rope, no abrasion is caused to the rope itself, the tensile load of the pet traction rope is not affected, and the service life of the product is prolonged; It can be disassembled and replaced at any time, economical and environmentally friendly; third, the first, second, third and fourth bundle rope notches have a certain opening and closing elasticity, which has a certain buckle effect on the rope, and at the same time enables the rope It is very convenient to disengage the card bundle under the action of external force; 4. When the rear end cover is screwed, the rope in the chamber between the upper cover and the lower case body is pressed by the rear end cover and is pressed and positioned. 1.
  • the second groove increases the contact area between the rope and the lower case, increases the friction, and prevents the rope from slipping in the cavity; 5. tightening the lock nut to press the rear end cover to the back end
  • the top of the lower case prevents the rear end cover from accidentally getting rid of the constraint of the thread and is separated from the lower case body to enhance the fastening stability.

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  • Life Sciences & Earth Sciences (AREA)
  • Environmental Sciences (AREA)
  • Animal Husbandry (AREA)
  • Biodiversity & Conservation Biology (AREA)
  • Housing For Livestock And Birds (AREA)

Abstract

公开了宠物用品领域中的宠物牵引绳，包括绳子（5），绳子（5）端头连接有锁头（6），锁头（6）与绳子（5）通过连接装置（7）连接，连接装置（7）包括上盖（1）和下盒体（2），当上盖（1）与下盒体（2）连接时形成可夹持绳子（5）的腔体（9）；下盒体（2）的前壁上设置有通孔（201），下盒体（2）的后壁上设置有第一、第二束绳槽口（202、203）；腔体（9）中设置有中间板（204），中间板（204）上设置有第三、第四束绳槽口（205、206）；中间板（204）将腔体（9）分为第一、第二腔体（91、92）；绳子（5）的一头穿过通孔（201）后依次放入第三、第一束绳槽口（205、202）、锁头上的挂扣、第二、第四束绳槽口（203、206），使绳头上的止退扣（51）被第四束绳槽口（206）所卡挡而不能后退；上盖（1）与下盒体（2）之间紧固连接后能将绳子（5）紧固定位在下盒体（2）中。本宠物牵引绳具有不会对绳子本身造成磨损，结构简单，可随时拆卸、更换锁头等优点。

Description

宠物牵引绳 技术领域
本发明涉及宠物用品领域，尤其涉及一种宠物牵引绳。
背景技术
随着社会经济的发展，人们的生活质量也不断提高，家庭宠物——如宠物狗、宠物猫的饲养已经成为了人们生活消遣的重要方式。在主人临时有事等无法照管好宠物狗的情况下，需要使用宠物牵引绳将宠物狗拴在桌脚、椅脚、栏杆等固定物体上，使宠物的活动范围可控，从而防止宠物狗走失或是伤害周围人群。现有的宠物牵引绳包括一根绳子，绳子的两头分别连接有一个锁头，绳子与锁头之间的具体连接方式为：绳子的绳头绕过锁头尾部的挂扣后、再将绳头和绳子一起套在铝管状锁扣件中，然后将锁扣件压扁使绳头和绳子固定连接在一起，实现绳子与锁头相连接的目的。但宠物牵引绳中绳子与锁头的这种连接方式存在以下缺点：一、锁头在使用过程中会被逐渐磨损，导致锁头断裂的情况时有发生，然而绳子与锁头之间采用上述冲压的连接方式后，就无法再拆卸、更换锁头，即使绳子完好无损也只好重新购买整个宠物牵引绳，造成浪费；二、将铝管状锁扣件直接冲压在绳子表面时，会对绳子造成一定的磨损，降低了宠物牵引绳的拉力负荷，增加了宠物牵引绳崩断的可能性，缩短了产品使用寿命。
发明内容
本发明所需解决的技术问题是：提供一种结构简单、便于拆卸和更换锁头的宠物牵引绳。
为解决上述问题，本发明采用的技术方案是：宠物牵引绳，包括：绳子，在绳子的至少一个端头连接有锁头，锁头与绳子之间通过连接装 置相连接，所述的连接装置包括可拆卸式连接的上盖和下盒体，当上盖与下盒体连接时，上盖与下盒体之间形成可夹持绳子的腔体；所述下盒体的前壁上设置有用以穿设绳子的通孔，下盒体的后壁上设置有贯穿后壁的二个束绳槽口，分别为第一、第二束绳槽口；腔体中设置有中间板，中间板上也设置有二个束绳槽口，分别为第三、第四束绳槽口；中间板将腔体一分为二，分别为处于前端的第一腔体和处于后端的第二腔体；绳子的一头穿过通孔后再依次放入第三、第一束绳槽口后，再穿绕过锁头上的挂扣，然后再依次放入第二、第四束绳槽口，使绳子的绳头环绕后又位于第一腔体中，并且使固定在绳头的止退扣能被第四束绳槽口所卡挡而不能后退；当上盖与下盒体之间紧固连接时，上盖能将处于第二腔体中的绳子紧固定位在下盒体中，从而将绳子与锁头相连接。
进一步地，前述的宠物牵引绳，其中：在第二腔体的底面上分别设置有第一凹槽和第二凹槽，第一凹槽位于第一、第三束绳槽口之间，第二凹槽位于第二、第四束绳槽口之间，当上盖与下盒体之间紧固连接时，上盖能将绳子压紧定位于第一、第二凹槽中。
进一步地，前述的宠物牵引绳，其中：所述第一、第二凹槽的底面均为圆弧形底面。
进一步地，前述的宠物牵引绳，其中：所述上盖与下盒体之间具体的连接结构为：下盒体中设置有垂直向上伸出的螺杆，上盖中上下贯穿地设置有用以穿设螺杆的通孔，通过通孔与螺杆的配合，上盖可盖合在下盒体的顶部，然后用锁紧螺母拧紧在螺杆上从而将上盖与下盒体紧固连接。
进一步地，前述的宠物牵引绳，其中：所述上盖与下盒体之间具体的连接结构为：下盒体中设置有垂直向上伸出的螺杆，上盖包括相互分离的前端盖和后端盖，所述前端盖底部向下设置有与下盒体侧壁形状相 配合的凸齿，凸齿可卡扣在下盒体侧壁内从而使前端盖封盖在第一腔体上部；前端盖后端还设置有向后延伸的、与后端盖形状相配合的凸沿，所述后端盖中上下贯穿地设置有与螺杆相匹配的螺纹通孔，当通过螺纹通孔与螺杆的配合而拧紧后端盖时，后端盖能封盖在第二腔体上部并将处于第二腔体中的绳子紧固定位在下盒体中，同时后端盖还能按压住前端盖的凸沿从而压紧前端盖。
进一步地，前述的宠物牵引绳，其中：所述后端盖旋合拧紧在下盒体顶部后，再用锁紧螺母拧紧在螺杆上从而将后端盖和下盒体进一步紧固连接。
进一步地，前述的宠物牵引绳，其中：所述第一、第二、第三、第四束绳槽口均为上端敞口的槽口，当上盖与下盒体之间紧固连接时，槽口能被上盖封盖住。
本发明的有益效果是：无需对绳子表面直接进行冲压，不会对绳子本身造成磨损，延长产品使用寿命；结构简单，可随时拆卸、更换锁头，经济环保。
附图说明
图1为本发明所述的宠物牵引绳的结构示意图。
图2为图1中所述的连接装置的结构示意图。
图3为图2仰视方向的结构示意图。
图4为图3中A-A剖视结构示意图。
图5为图4中将绳子与锁头相连接后的状态示意图。
具体实施方式
下面结合附图及优选实施例对本发明所述的技术方案作进一步详细的说明。
如图1、图2、图3、图4、图5所示，宠物牵引绳，包括：绳子5， 在绳子5的二个端头连接分别有一个锁头6，锁头6与绳子5之间通过连接装置7相连接，所述的连接装置7包括可拆卸式连接的上盖1和下盒体2，当上盖1与下盒体2连接时，上盖1与下盒体2之间形成可夹持绳子5的腔体9；所述下盒体2的前壁上设置有用以穿设绳子5的通孔201，下盒体2的后壁上设置有贯穿后壁的二个束绳槽口，分别为第一、第二束绳槽口202、203；腔体9中设置有中间板204，中间板204上也设置有二个束绳槽口，分别为第三、第四束绳槽口205、206；所述第一、第二、第三、第四束绳槽口202、203、205、206均为上端敞口的槽口，当上盖1与下盒体2之间紧固连接时，槽口能被上盖1封盖住，这样可以方便将绳子5放入束绳槽口中。如图4、图5所示，中间板204将腔体9一分为二，分别为处于前端的第一腔体91和处于后端的第二腔体92；绳子5的一头穿过通孔201后再依次放入第三、第一束绳槽口205、202后，再穿绕过锁头6尾部的挂扣601，然后再依次放入第二、第四束绳槽口203、206，使绳子5的绳头环绕后又位于第一腔体91中，并且使固定在绳头的止退扣51能被第四束绳槽口206所卡挡而不能后退；当上盖1与下盒体2之间紧固连接时，上盖1能将处于第二腔体92中的绳子5紧固定位在下盒体2中，从而将绳子5与锁头6相连接。
如图4所示，在本实施例中，在第二腔体92的底面上分别设置有第一凹槽207和第二凹槽208，第一凹槽207位于第一、第三束绳槽口202、205之间，第二凹槽208位于第二、第四束绳槽口203、206之间，并且第一凹槽207和第二凹槽208的底面均为圆弧形底面，当上盖1与下盒体2之间紧固连接时，上盖1能将绳子5定位于第一、第二凹槽207、208中。圆弧形底面可增大绳子5与下盒体2之间的接触面积，增大了摩擦力，防止绳子5在第二腔室92内发生滑动，提升了固定效果。
如图1、图2、图3、图4所示，所述上盖1与下盒体2之间采用以 下的连接结构：下盒体2中设置有垂直向上伸出的螺杆3，上盖1包括相互分离的前端盖101和后端盖102，所述前端盖101底部向下设置有与下盒体2侧壁形状相配合的凸齿，凸齿可卡扣在下盒体2侧壁内从而使前端盖101封盖在第一腔体91上部；前端盖101后端还设置有向后延伸的、与后端盖102形状相配合的凸沿1011，所述后端盖102中上下贯穿地设置有与螺杆3相匹配的螺纹通孔，当通过螺纹通孔与螺杆3的配合而拧紧后端盖102时，后端盖102能封盖在第二腔体92上部并将处于第二腔体92中的绳子5紧固定位在下盒体2中，同时后端盖102还能按压住前端盖101的凸沿1011从而压紧前端盖101。在本实施例中，当后端盖102旋合拧紧在下盒体2顶部后，再用锁紧螺母4拧紧在螺杆3上从而将后端盖102和下盒体2进一步紧固连接。
另外，所述上盖1与下盒体2之间还可采用如下的连接结构为：下盒体2中设置有垂直向上伸出的螺杆3，上盖1中上下贯穿地设置有用以穿设螺杆3的通孔，通过通孔与螺杆3的配合，上盖1可盖合在下盒体2的顶部，然后用锁紧螺母拧紧在螺杆上从而将上盖1与下盒体2紧固连接，结构简单、连接可靠。
本发明所述的宠物牵引绳的使用方法如下：安装时，依次拧下锁紧螺母4、旋开后端盖102、拆下前端盖101，然后将绳子5穿过通孔201后再依次放入第三束绳槽口205、第一束绳槽口202，然后穿绕过锁头6尾部的挂扣601后依次放入第二束绳槽口203、第四束绳槽口206，使绳头的止退扣51位于第一腔体91中并且能被第四束绳槽口206所卡挡而不能后退，此时向后拉扯绳子5，止退扣51能卡挡在中间板204前侧而使绳子5无法向后移动，从而保持宠物狗的活动范围固定；接着再压紧前端盖101、旋紧后端盖102、拧紧锁紧螺母4，此时后端盖102将处于第二腔室92内的绳子5按压定位在第一、第二凹槽207、208中，有效 防止绳子5发生滑动，增强稳定性。
当需要更换锁头6时，只需依次拧下锁紧螺母4、旋开后端盖102、拆下前端盖101，从第二、第四束绳槽口203、206中向上拉出绳子5即可更换锁头6。更换好锁头6后将绳子5按压进第二、第四束绳槽口203、206后，依次按压紧前端盖101、旋紧后端盖102、拧紧锁紧螺母4，便完成锁头6的更换过程。
本发明所述的宠物牵引绳具有以下优点：一、无需对绳子表面直接进行冲压，不会对绳子本身造成磨损，保证宠物牵引绳的拉力荷载不受影响，延长产品使用寿命；二、结构简单，可随时拆卸、更换锁头，经济环保；三、第一、第二、第三、第四束绳槽口具有一定的开合弹性，对绳子具有一定的卡扣作用，同时又能使绳子在外力作用下脱离其卡束，十分方便；四、当旋紧后端盖时，处于上盖与下盒体之间腔室中的绳子会受到后端盖挤压而被压紧定位在第一、第二凹槽中，增大了绳子与下盒体之间的接触面积，增大了摩擦力，防止绳子在腔体内发生滑动；五、拧紧锁紧螺母可将后端盖压紧于下盒体顶部，防止后端盖意外摆脱螺纹的束缚而脱离下盒体，增强紧固稳定性。

Claims (7)

  1. 宠物牵引绳，包括：绳子，在绳子的至少一个端头连接有锁头，锁头与绳子之间通过连接装置相连接，其特征在于：所述的连接装置包括可拆卸式连接的上盖和下盒体，当上盖与下盒体连接时，上盖与下盒体之间形成可夹持绳子的腔体；所述下盒体的前壁上设置有用以穿设绳子的通孔，下盒体的后壁上设置有贯穿后壁的二个束绳槽口，分别为第一、第二束绳槽口；腔体中设置有中间板，中间板上也设置有二个束绳槽口，分别为第三、第四束绳槽口；中间板将腔体一分为二，分别为处于前端的第一腔体和处于后端的第二腔体；绳子的一头穿过通孔后再依次放入第三、第一束绳槽口后，再穿绕过锁头上的挂扣，然后再依次放入第二、第四束绳槽口，使绳子的绳头环绕后又位于第一腔体中，并且使固定在绳头的止退扣能被第四束绳槽口所卡挡而不能后退；当上盖与下盒体之间紧固连接时，上盖能将处于第二腔体中的绳子紧固定位在下盒体中，从而将绳子与锁头相连接。
  2. 根据权利要求1所述的宠物牵引绳，其特征在于：在第二腔体的底面上分别设置有第一凹槽和第二凹槽，第一凹槽位于第一、第三束绳槽口之间，第二凹槽位于第二、第四束绳槽口之间，当上盖与下盒体之间紧固连接时，上盖能将绳子压紧定位于第一、第二凹槽中。
  3. 根据权利要求2所述的宠物牵引绳，其特征在于：所述第一、第二凹槽的底面均为圆弧形底面。
  4. 根据权利要求1或2或3所述的宠物牵引绳，其特征在于：所述上盖与下盒体之间具体的连接结构为：下盒体中设置有垂直向上伸出的螺杆，上盖中上下贯穿地设置有用以穿设螺杆的通孔，通过通孔与螺杆的配合，上盖可盖合在下盒体的顶部，然后用锁紧螺母拧紧在螺杆上从而将上盖与下盒体紧固连接。
  5. 根据权利要求1或2或3所述的宠物牵引绳，其特征在于：所述上盖与下盒体之间具体的连接结构为：下盒体中设置有垂直向上伸出的螺杆，上盖包括相互分离的前端盖和后端盖，所述前端盖底部向下设置有与下盒体侧壁形状相配合的凸齿，凸齿可卡扣在下盒体侧壁内从而使前端盖封盖在第一腔体上部；前端盖后端还设置有向后延伸的、与后端盖形状相配合的凸沿，所述后端盖中上下贯穿地设置有与螺杆相匹配的螺纹通孔，当通过螺纹通孔与螺杆的配合而拧紧后端盖时，后端盖能封盖在第二腔体上部并将处于第二腔体中的绳子紧固定位在下盒体中，同时后端盖还能按压住前端盖的凸沿从而压紧前端盖。
  6. 根据权利要求5所述的宠物牵引绳，其特征在于：所述后端盖旋合拧紧在下盒体顶部后，再用锁紧螺母拧紧在螺杆上从而将后端盖和下盒体进一步紧固连接。
  7. 根据权利要求1或2或3所述的宠物牵引绳，其特征在于：所述第一、第二、第三、第四束绳槽口均为上端敞口的槽口，当上盖与下盒体之间紧固连接时，槽口能被上盖封盖住。
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