Communication power tool tester convenient to carry

Abstract

The utility model relates to the technical field of communication power tool testing, in particular to a communication power tool tester convenient to carry, which comprises a tester mechanism, the inner wall of one side of the tester mechanism is fixedly connected with one end of a first extension mechanism, and the inner wall of the top of the first extension mechanism is fixedly connected with the bottom end of a driving mechanism. The inner wall of one side of the first extension mechanism is movably connected with the outer wall of the second extension mechanism, the second extension frame extends out of the inner wall of the first extension frame through a limiting block, and meanwhile a sliding groove is matched with the limiting block; after the second extension frame continuously extends, the first extension frame is driven to move by attaching to the inner walls of the stabilizing bottom frame and the stabilizing top frame, meanwhile, the first extension frame is limited through a sliding block and a limiting rod, a tool is placed in the first extension frame, and through extension of the first extension frame and the second extension frame, the tool is placed in the first extension frame. Therefore, the tool can be carried along with the testing frame, and the tool and the testing frame can be conveniently carried together.

Description

Technical Field

[0001] The utility model relates to the technical field of communication power tool testing, in particular to a portable communication power tool tester. Background Art

[0002] The communication power supply system is the heart of the communication system. A stable and reliable communication power supply system is the key to ensure the safe and reliable operation of the communication system. Once a communication power supply system failure causes power interruption to the communication equipment, the communication equipment will not be able to operate, which will cause communication circuit interruption and communication system paralysis, resulting in great economic and social benefits. In order to reduce the damage of communication power tools, it is often necessary to use a tester to detect the communication power tools.

[0003] Most of today's communication power tool testers are equipped with handles for easy carrying. Since the tester needs to be used with other supporting tools, and the supporting tools and the tester are mostly placed separately, an additional box is needed to carry the supporting tools. It is cumbersome to carry the tester and the supporting tools separately. Secondly, since the supporting tools are mostly simply placed inside the box, there are connecting wires in the supporting tools, the connectors will be entangled with other supporting tools during carrying, which can easily cause damage to the supporting tools. Utility Model Content

[0004] The purpose of the utility model is to provide a portable communication power tool tester, so as to solve the problem that it is cumbersome to carry the tester and the supporting tools separately proposed in the above background technology, and secondly, the connecting parts will be entangled with other supporting tools during carrying, which is easy to cause damage to the supporting tools. In order to achieve the above purpose, the utility model provides the following technical solutions: a portable communication power tool tester, including a tester mechanism, an inner wall of one side of the tester mechanism is fixedly connected to one end of a first extension mechanism, the top inner wall of the first extension mechanism is fixedly connected to the bottom end of the driving mechanism, and the inner wall of the first extension mechanism is fixedly connected to the outer wall of the stabilizing mechanism.

[0005] An inner wall on one side of the first extension mechanism is movably connected to an outer wall of the second extension mechanism, and a top inner wall of the second extension mechanism is fixedly connected to a bottom end of the connecting line stabilizing mechanism.

[0006] Preferably, the tester mechanism includes a test frame, a stable base frame, a stable top frame and a lifting handle, and the bottom end of the test frame is fixedly connected to the top end of the stable base frame, the top end of the test frame is fixedly connected to the bottom end of the stable top frame, and the top of the stable top frame is fixedly connected to the bottom end of the lifting handle, and the stable base frame and the stable top frame are provided with storage grooves, and the inner walls of the storage grooves are provided with limiting grooves.

[0007] Preferably, the first extension mechanism includes a limit rod, a sliding block and a first extension frame, and one end of the limit rod is fixedly connected to the inner wall of the limit groove, the outer wall of the limit rod is movably connected to the inner wall of the sliding block, and one side of the sliding block is fixedly connected to the outer wall of the first extension frame, a limit opening matching the outer wall of the limit rod is provided inside the sliding block, and the outer wall of the first extension frame is movably connected to the inner wall of the storage groove, a tool stabilization groove is provided at the top of the first extension frame, and an extension groove is provided at the bottom of the first extension frame, and a sliding groove is provided on the inner wall of the extension groove.

[0008] Preferably, the driving mechanism comprises a fixed block, a rotating rod, a first bevel gear, a second bevel gear, a rotating block and a movable plate, and the bottom end of the fixed block is fixedly connected to the inner wall of the tool stabilizing groove, the interior of the fixed block is movably connected to one end of the rotating rod, and the outer wall of the rotating rod is fixedly connected to the inner wall of the first bevel gear, the outer wall of the rotating rod is meshed with the outer wall of the second bevel gear, and the top end of the second bevel gear is fixedly connected to the bottom of the rotating block, the outer wall of the rotating rod is movably connected to the inner wall of the movable plate, and a hollow driving groove is opened inside the fixed block, a rotating groove matching the outer wall of the rotating block is opened on the top of the hollow driving groove, and bearings are provided at both ends of the rotating rod, both ends of the rotating rod are rotatably connected to the inner wall of the hollow driving groove through bearings, and the outer wall of the rotating rod is provided with a thread, and the interior of the movable plate is provided with a threaded groove matching the outer wall of the rotating rod.

[0009] Preferably, the stabilizing mechanism includes a fixed plate, a first rubber sheet, a clamping plate, a second rubber sheet and a connecting plate, and one side of the fixed plate is fixedly connected to the inner wall of the tool stabilizing groove, the other side of the fixed plate is fixedly connected to the outer wall of the first rubber sheet, and the outer wall of the clamping plate is movably connected to the inner wall of the tool stabilizing groove, the outer wall of the clamping plate is fixedly connected to the outer wall of the second rubber sheet, and one side of the clamping plate is fixedly connected to one end of the connecting plate, and the end of the connecting plate away from the clamping plate is fixedly connected to the outer wall of the rotating block.

[0010] Preferably, the second extension mechanism includes a limit block, a second extension frame and a pulling handle, and the outer wall of the limit block is movably connected to the inner wall of the slide groove, one side of the limit block is fixedly connected to the outer wall of the second extension frame, and the outer wall of the second extension frame is fixedly connected to one end of the pulling handle, a connecting line stabilization groove is provided inside the second extension frame, and the inner wall of the extension groove matches the outer wall of the second extension frame, and the outer wall of the second extension frame is movably connected to the inner wall of the extension groove.

[0011] Preferably, the connecting line stabilization mechanism includes a winding drum, a first rubber strip, a placement block and a second rubber strip, and the bottom end of the winding drum is fixedly connected to the inner wall of the connecting line stabilization groove, the top inner wall of the winding drum is fixedly connected to the outer wall of the first rubber strip, and the inner wall of the winding drum is fixedly connected to the bottom end of the placement block, the inner wall of the placement block is fixedly connected to the outer wall of the second rubber strip, and the outer wall of the winding drum is provided with a winding groove, and a groove for stabilizing one end of the connecting line is provided above one side of the winding groove, the outer wall of the first rubber strip is fixedly connected to the inner wall of the groove, and the bottom end of the placement block is fixedly connected to the bottom wall of the winding groove, the top of the placement block is provided with an arc groove for stabilizing the connecting line, and the outer wall of the second rubber strip is fixedly connected to the inner wall of the arc groove.

[0012] Compared with the prior art, the utility model has the following beneficial effects:

[0013] In the utility model, when the tool is carried at the same time, the handle is lifted and pulled, thereby driving the pulling handle to move, and the second extension frame is extended out of the inner wall of the first extension frame through the limit block. At the same time, through the cooperation of the slide groove and the limit block, when the second extension frame continues to extend, it drives the first extension frame to move along the inner wall of the stable bottom frame and the stable top frame. At the same time, the first extension frame is limited by the sliding block and the limit rod, and the tool is placed inside the first extension frame. Through the extension of the first extension frame and the second extension frame, the tool can be carried together with the test frame, thereby facilitating the carrying of the tool and the test frame together.

[0014] In the utility model, the rotating block is rotated to drive the second bevel gear to rotate, and then the first bevel gear is driven to rotate, thereby driving the rotating rod to rotate, and then the movable plate is moved along the outer wall of the rotating rod, thereby driving the connecting plate to move, and the clamping plate is moved toward the outer wall of the tool, thereby clamping the tool, placing one end of the connecting wire inside the placing block, stabilizing one end of the connecting wire by the second rubber strip, winding the connecting wire around the inner wall of the winding wire drum, and when the winding is completed, placing the other end of the connecting wire inside the groove, and then stabilizing the other end of the connecting wire by the first rubber strip, which facilitates the separate placement of the tool and the connecting wire and reduces the phenomenon of the connecting wire and the tool being entangled. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a cross-sectional view of the utility model;

[0017] Figure 3 It is an exploded view of the utility model;

[0018] Figure 4This is an exploded view of the first extension mechanism of the utility model;

[0019] Figure 5 This is an exploded view of the stabilizing mechanism of the utility model;

[0020] Figure 6 This is an exploded diagram of the drive mechanism of the utility model;

[0021] Figure 7 This is an exploded view of the second extension mechanism of the utility model;

[0022] Figure 8 This is an exploded view of the connecting line stabilizing mechanism of the utility model.

[0023] In the figure: 1. tester mechanism; 101. test frame; 102. stable bottom frame; 103. stable top frame; 104. lifting handle; 2. first extension mechanism; 201. limit rod; 202. sliding block; 203. first extension frame; 3. driving mechanism; 301. fixed block; 302. rotating rod; 303. first bevel gear; 304. second bevel gear; 305. rotating block; 306. moving plate; 4. stabilizing mechanism; 401. fixed plate; 402. first rubber sheet; 403. clamping plate; 404. second rubber sheet; 405. connecting plate; 5. second extension mechanism; 501. limit block; 502. second extension frame; 503. pulling handle; 6. connecting line stabilizing mechanism; 601. winding drum; 602. first rubber strip; 603. placing block; 604. second rubber strip. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0025] See also Figures 1 to 8 The utility model provides a technical solution: a portable communication power tool tester, including a tester mechanism 1, an inner wall of one side of the tester mechanism 1 is fixedly connected to one end of a first extension mechanism 2, a top inner wall of the first extension mechanism 2 is fixedly connected to the bottom end of a driving mechanism 3, and an inner wall of the first extension mechanism 2 is fixedly connected to an outer wall of a stabilizing mechanism 4.

[0026] An inner wall on one side of the first extension mechanism 2 is movably connected to an outer wall of the second extension mechanism 5 , and a top inner wall of the second extension mechanism 5 is fixedly connected to a bottom end of the connection line stabilizing mechanism 6 .

[0027] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the tester mechanism 1 includes a test frame 101, a stable base frame 102, a stable top frame 103 and a lifting handle 104, and the bottom end of the test frame 101 is fixedly connected to the top end of the stable base frame 102, the top end of the test frame 101 is fixedly connected to the bottom end of the stable top frame 103, and the top of the stable top frame 103 is fixedly connected to the bottom end of the lifting handle 104, and the stable base frame 102 and the stable top frame 103 are provided with storage grooves inside, and the inner walls of the storage grooves are provided with limiting grooves, and when the test frame 101 is carried, the test frame 101 is carried by pulling the lifting handle 104.

[0028] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the first extension mechanism 2 includes a limit rod 201, a sliding block 202 and a first extension frame 203, and one end of the limit rod 201 is fixedly connected to the inner wall of the limit groove, the outer wall of the limit rod 201 is movably connected to the inner wall of the sliding block 202, and one side of the sliding block 202 is fixedly connected to the outer wall of the first extension frame 203, the interior of the sliding block 202 is provided with a limit opening matching the outer wall of the limit rod 201, and the outer wall of the first extension frame 203 is movably connected to the inner wall of the storage groove, the top of the first extension frame 203 is provided with a tool stabilizing groove, and the bottom of the first extension frame 203 is provided with an extension groove, and the inner wall of the extension groove is provided with a sliding groove, the first extension frame 203 moves by adhering to the inner walls of the stable bottom frame 102 and the stable top frame 103, and at the same time, the first extension frame 203 is limited by the sliding block 202 and the limit rod 201, and the tool is placed inside the first extension frame 203.

[0029] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the driving mechanism 3 includes a fixed block 301, a rotating rod 302, a first bevel gear 303, a second bevel gear 304, a rotating block 305 and a movable plate 306, and the bottom end of the fixed block 301 is fixedly connected to the inner wall of the tool stabilizing groove, the interior of the fixed block 301 is movably connected to one end of the rotating rod 302, and the outer wall of the rotating rod 302 is fixedly connected to the inner wall of the first bevel gear 303, the outer wall of the rotating rod 302 is meshedly connected to the outer wall of the second bevel gear 304, and the top end of the second bevel gear 304 is fixedly connected to the bottom end of the rotating block 305, the outer wall of the rotating rod 302 is movably connected to the inner wall of the movable plate 306, and the fixed block 301 A hollow driving groove is provided inside, a rotating groove matching the outer wall of the rotating block 305 is provided on the top of the hollow driving groove, and bearings are provided at both ends of the rotating rod 302. Both ends of the rotating rod 302 are rotatably connected to the inner wall of the hollow driving groove through bearings, and the outer wall of the rotating rod 302 is provided with a thread, and a threaded groove matching the outer wall of the rotating rod 302 is provided inside the movable plate 306. The rotating block 305 is rotated to drive the second bevel gear 304 to rotate, and then the first bevel gear 303 is driven to rotate, thereby driving the rotating rod 302 to rotate, and then the movable plate 306 moves along the outer wall of the rotating rod 302.

[0030] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the stabilizing mechanism 4 includes a fixed plate 401, a first rubber sheet 402, a clamping plate 403, a second rubber sheet 404 and a connecting plate 405, and one side of the fixed plate 401 is fixedly connected to the inner wall of the tool stabilizing groove, the other side of the fixed plate 401 is fixedly connected to the outer wall of the first rubber sheet 402, and the outer wall of the clamping plate 403 is movably connected to the inner wall of the tool stabilizing groove, the outer wall of the clamping plate 403 is fixedly connected to the outer wall of the second rubber sheet 404, and one side of the clamping plate 403 is fixedly connected to one end of the connecting plate 405, and the end of the connecting plate 405 away from the clamping plate 403 is fixedly connected to the outer wall of the rotating block 305, and the connecting plate 405 moves, so that the clamping plate 403 moves toward the outer wall of the tool, thereby clamping the tool.

[0031] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, the second extension mechanism 5 includes a limit block 501, a second extension frame 502 and a pulling handle 503, and the outer wall of the limit block 501 is movably connected to the inner wall of the slide groove, one side of the limit block 501 is fixedly connected to the outer wall of the second extension frame 502, and the outer wall of the second extension frame 502 is fixedly connected to one end of the pulling handle 503, a connecting line stabilization groove is provided inside the second extension frame 502, and the inner wall of the extension groove matches the outer wall of the second extension frame 502, the outer wall of the second extension frame 502 is movably connected to the inner wall of the extension groove, and the pulling handle 503 is lifted to drive the pulling handle 503 to move, and the second extension frame 502 is extended out of the inner wall of the first extension frame 203 through the limit block 501.

[0032] In this embodiment, Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8 As shown, the connecting wire stabilizing mechanism 6 includes a winding drum 601, a first rubber strip 602, a placement block 603, and a second rubber strip 604, and the bottom end of the winding drum 601 is fixedly connected to the inner wall of the connecting wire stabilizing groove, the top inner wall of the winding drum 601 is fixedly connected to the outer wall of the first rubber strip 602, and the inner wall of the winding drum 601 is fixedly connected to the bottom end of the placement block 603, the inner wall of the placement block 603 is fixedly connected to the outer wall of the second rubber strip 604, and the outer wall of the winding drum 601 is provided with a winding groove, and a groove for stabilizing one end of the connecting wire is provided on the upper side of one side of the winding groove, and the first The outer wall of the rubber strip 602 is fixedly connected to the inner wall of the groove, and the bottom end of the placement block 603 is fixedly connected to the bottom wall of the winding groove. An arc-shaped groove is provided on the top of the placement block 603 to provide stability for the connecting line, and the outer wall of the second rubber strip 604 is fixedly connected to the inner wall of the arc-shaped groove. One end of the connecting line is placed inside the placement block 603, and one end of the connecting line is stabilized by the second rubber strip 604. The connecting line is wound around the inner wall of the winding drum 601. When the winding is completed, the other end of the connecting line is placed inside the groove, and then the other end of the connecting line is stabilized by the first rubber strip 602.

[0033] The use method and advantages of the utility model: When the portable communication power tool tester is working, the working process is as follows:

[0034] like Figure 1 , Figure 2 , Figure 3 , Figure 4 , Figure 5 , Figure 6 , Figure 7 and Figure 8As shown, when the test frame 101 is carried, the test frame 101 is carried by pulling the lifting handle 104. When the tool is carried at the same time, the pulling handle 503 is lifted to drive the pulling handle 503 to move. The second extension frame 502 is extended out of the inner wall of the first extension frame 203 through the limiting block 501. At the same time, through the cooperation of the slide groove and the limiting block 501, when the limiting block 501 continues to extend, the first extension frame 203 is driven to move along the inner wall of the stable bottom frame 102 and the stable top frame 103. At the same time, the first extension frame 203 is limited by the sliding block 202 and the limiting rod 201, and the tool is placed inside the first extension frame 203, so that the tool is located between the first rubber sheet 402 and the second rubber sheet 402. The rotating block 305 is rotated between the plates 404 to drive the second bevel gear 304 to rotate, and then the first bevel gear 303 is driven to rotate, thereby driving the rotating rod 302 to rotate, and then the movable plate 306 is moved along the outer wall of the rotating rod 302, thereby driving the connecting plate 405 to move, and the clamping plate 403 moves toward the outer wall of the tool, thereby clamping the tool, placing one end of the connecting line inside the placing block 603, stabilizing one end of the connecting line through the second rubber strip 604, and winding the connecting line around the inner wall of the winding drum 601. When the winding is completed, the other end of the connecting line is placed inside the groove, and then the other end of the connecting line is stabilized by the first rubber strip 602.

[0035] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A portable communication power tool tester, comprising a tester mechanism (1), characterized in that: An inner wall on one side of the tester mechanism (1) is fixedly connected to one end of the first extension mechanism (2), an inner wall on the top of the first extension mechanism (2) is fixedly connected to the bottom end of the driving mechanism (3), and an inner wall of the first extension mechanism (2) is fixedly connected to an outer wall of the stabilizing mechanism (4); An inner wall on one side of the first extension mechanism (2) is movably connected to an outer wall of the second extension mechanism (5), and a top inner wall of the second extension mechanism (5) is fixedly connected to a bottom end of the connection line stabilizing mechanism (6).

2. A portable communication power tool tester according to claim 1, characterized in that: The tester mechanism (1) comprises a test frame (101), a stable bottom frame (102), a stable top frame (103) and a lifting handle (104), wherein the bottom end of the test frame (101) is fixedly connected to the top end of the stable bottom frame (102), the top end of the test frame (101) is fixedly connected to the bottom end of the stable top frame (103), and the top of the stable top frame (103) is fixedly connected to the bottom end of the lifting handle (104), and the stable bottom frame (102) and the stable top frame (103) are provided with storage grooves inside, and the inner walls of the storage grooves are provided with limit grooves.

3. A portable communication power supply tool tester according to claim 2, characterized in that: The first extension mechanism (2) comprises a limiting rod (201), a sliding block (202) and a first extension frame (203), and one end of the limiting rod (201) is fixedly connected to the inner wall of the limiting groove, the outer wall of the limiting rod (201) is movably connected to the inner wall of the sliding block (202), and one side of the sliding block (202) is fixedly connected to the outer wall of the first extension frame (203), a limiting opening matching the outer wall of the limiting rod (201) is provided inside the sliding block (202), and the outer wall of the first extension frame (203) is movably connected to the inner wall of the storage groove, a tool stabilizing groove is provided at the top of the first extension frame (203), and an extension groove is provided at the bottom of the first extension frame (203), and a sliding groove is provided on the inner wall of the extension groove.

4. A portable communication power tool tester according to claim 3, characterized in that: The driving mechanism (3) comprises a fixed block (301), a rotating rod (302), a first bevel gear (303), a second bevel gear (304), a rotating block (305) and a movable plate (306), wherein the bottom end of the fixed block (301) is fixedly connected to the inner wall of the tool stabilizing groove, the interior of the fixed block (301) is movably connected to one end of the rotating rod (302), the outer wall of the rotating rod (302) is fixedly connected to the inner wall of the first bevel gear (303), the outer wall of the rotating rod (302) is meshedly connected to the outer wall of the second bevel gear (304), and the top end of the second bevel gear (304) is meshedly connected to the rotating rod (302). The bottom end of the movable block (305) is fixedly connected, the outer wall of the rotating rod (302) is movably connected to the inner wall of the movable plate (306), and a hollow driving groove is provided inside the fixed block (301), and a rotating groove matching the outer wall of the rotating block (305) is provided at the top of the hollow driving groove, and bearings are provided at both ends of the rotating rod (302), and both ends of the rotating rod (302) are rotatably connected to the inner wall of the hollow driving groove through bearings, and the outer wall of the rotating rod (302) is provided with a thread, and a threaded groove matching the outer wall of the rotating rod (302) is provided inside the movable plate (306).

5. A portable communication power tool tester according to claim 4, characterized in that: The stabilizing mechanism (4) comprises a fixing plate (401), a first rubber sheet (402), a clamping plate (403), a second rubber sheet (404) and a connecting plate (405), wherein one side of the fixing plate (401) is fixedly connected to the inner wall of the tool stabilizing groove, the other side of the fixing plate (401) is fixedly connected to the outer wall of the first rubber sheet (402), and the outer wall of the clamping plate (403) is movably connected to the inner wall of the tool stabilizing groove, the outer wall of the clamping plate (403) is fixedly connected to the outer wall of the second rubber sheet (404), and one side of the clamping plate (403) is fixedly connected to one end of the connecting plate (405), and the end of the connecting plate (405) away from the clamping plate (403) is fixedly connected to the outer wall of the rotating block (305).

6. The portable communication power tool tester according to claim 3, characterized in that: The second extension mechanism (5) comprises a limit block (501), a second extension frame (502) and a pulling handle (503), and the outer wall of the limit block (501) is movably connected to the inner wall of the slide groove, one side of the limit block (501) is fixedly connected to the outer wall of the second extension frame (502), and the outer wall of the second extension frame (502) is fixedly connected to one end of the pulling handle (503), a connecting line stabilizing groove is provided inside the second extension frame (502), and the inner wall of the extension groove matches the outer wall of the second extension frame (502), and the outer wall of the second extension frame (502) is movably connected to the inner wall of the extension groove.

7. A portable communication power supply tool tester according to claim 6, characterized in that: The connecting line stabilizing mechanism (6) comprises a winding drum (601), a first rubber strip (602), a placement block (603) and a second rubber strip (604), wherein the bottom end of the winding drum (601) is fixedly connected to the inner wall of the connecting line stabilizing groove, the top inner wall of the winding drum (601) is fixedly connected to the outer wall of the first rubber strip (602), and the inner wall of the winding drum (601) is fixedly connected to the bottom end of the placement block (603), and the inner wall of the placement block (603) is fixedly connected to the second rubber strip (604). The outer wall of the rubber strip (604) is fixedly connected, and a winding groove is provided on the outer wall of the winding drum (601), and a groove for stabilizing one end of the connecting line is provided on the upper side of one side of the winding groove, the outer wall of the first rubber strip (602) is fixedly connected to the inner wall of the groove, and the bottom end of the placement block (603) is fixedly connected to the bottom wall of the winding groove, the top of the placement block (603) is provided with an arc groove for stabilizing the connecting line, and the outer wall of the second rubber strip (604) is fixedly connected to the inner wall of the arc groove.

Images