CN214034708U

CN214034708U - Climbing frame

Info

Publication number: CN214034708U
Application number: CN202022845499.XU
Authority: CN
Inventors: 辛金龙; 戴克室; 刘占备; 王雷珍; 费尧
Original assignee: China Second Metallurgy Group Co Ltd
Current assignee: China Second Metallurgy Group Co Ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-24
Anticipated expiration: 2030-11-30

Abstract

The utility model provides a climb frame, this climb frame includes: the ladder stand, a plurality of arc-shaped check rings and the anti-falling device are arranged on the ladder stand; the check rings are arranged at intervals along the height direction of the ladder stand, and a climbing space is formed between each check ring and the ladder stand; the anti-falling device is arranged in the climbing space and is detachably connected with the safety belt so as to pull the safety belt when a user falls down. The utility model discloses in, the cat ladder set up the convenient to use person climbing, the cat ladder forms the climbing space with each retaining ring, and anti-falling device sets up in the climbing space, and anti-falling device can stimulate the safety belt when the user weighs down like this, prevents the user and continues the tenesmus, can prevent effectively that the user from falling, has improved the security of climbing frame, protection user's personal safety.

Description

Climbing frame

Technical Field

The utility model relates to a construction technical field particularly, relates to a climb frame.

Background

The climbing frame is used for climbing higher objects, such as a chimney, a tower crane, a building and the like. The safety performance of the existing climbing frame is lower, and once a worker falls due to climbing fatigue, casualty accidents can be caused.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model provides a climb frame aims at solving the lower problem of security performance of climbing frame among the prior art.

The utility model provides a climb frame, this climb frame includes: the ladder stand, a plurality of arc-shaped check rings and the anti-falling device are arranged on the ladder stand; the check rings are arranged at intervals along the height direction of the ladder stand, and a climbing space is formed between each check ring and the ladder stand; the anti-falling device is arranged in the climbing space and is detachably connected with the safety belt so as to pull the safety belt when a user falls down.

Further, among the above-mentioned frame of climbing, anti-falling device includes: the safety rod, the sliding barrel and the anti-falling mechanism; wherein, the retaining rings respectively corresponding to the top and the bottom of the ladder stand are provided with connecting rods; the both ends of safety lever are connected with two connecting rods respectively, and safety lever is worn to locate to slide cartridge slidable, prevents weighing down the mechanism and sets up in slide cartridge and be connected with safety belt detachably.

Further, among the above-mentioned frame of climbing, anti-falling mechanism includes: the safety device comprises a baffle, a safety frame and a limiting mechanism; the baffle is vertically arranged on the first side, facing the retainer ring, of the sliding barrel; the safety frame is sleeved outside the sliding barrel and is rotatably connected with the sliding barrel, the safety frame is arranged below the baffle, and a pull ring detachably connected with the safety belt is arranged at the end part, corresponding to the second side of the sliding barrel, of the safety frame; the limiting mechanism is arranged on the second side of the sliding barrel and used for enabling the safety frame to rotate within a preset range.

Further, among the above-mentioned frame of climbing, stop gear includes: the device comprises an arc-shaped limiting cylinder, an arc-shaped limiting rod and a first elastic piece arranged in the limiting cylinder; the first end of the limiting cylinder is rotatably arranged at the bottom of the second side of the sliding cylinder, and the second end of the limiting cylinder is arranged in an open manner; the first end of gag lever post is rotationally connected with the safety frame, and the second end of gag lever post is connected with the first end of first elastic component, and the second end of first elastic component is connected with the inner wall of a spacing section of thick bamboo.

Further, among the above-mentioned frame of climbing, anti-falling mechanism still includes: an adjustment mechanism; wherein, adjustment mechanism sets up in a spacing section of thick bamboo for adjust the degree of inclination of safety frame and the distance between safety frame and the retaining ring.

Further, in the above-mentioned climbing frame, the adjustment mechanism includes: a slider and a first fastening knob; wherein, the outer wall of the limiting cylinder is provided with an arc-shaped slideway, and the slideway is communicated with the inside of the limiting cylinder; the slide block is arranged in the limiting cylinder and connected with the second end of the first elastic piece, the first fastening knob penetrates through the slide way in a sliding mode and is in threaded connection with the slide block, and the first fastening knob is used for driving the slide block to slide in the limiting cylinder and enabling the slide block to be fixed relative to the limiting cylinder when the slide block slides to any position.

Further, among the above-mentioned frame of climbing, anti-falling device still includes: a friction mechanism; the friction mechanism is arranged between the sliding cylinder and the safety rod and used for increasing the friction force between the sliding cylinder and the safety rod.

Further, in the above-mentioned climbing frame, the friction mechanism includes: the supporting cylinder and the second fastening knob are provided with openings at two ends; the first end of the supporting cylinder is arranged on the sliding cylinder, and the inside of the supporting cylinder is communicated with the inside of the sliding cylinder; the inner wall of the second end of the supporting cylinder is provided with threads, the second fastening knob is in threaded connection with the second end of the supporting cylinder, and the end of the second fastening knob abuts against the safety rod.

Further, among the above-mentioned climbing frame, friction mechanism still includes: a rubber block; wherein, the rubber block sets up in the tip of second fastening knob and contacts with the safety lever.

Further, among the above-mentioned climbing frame, friction mechanism still includes: the connecting block and the second elastic piece; wherein, the connecting block sets up in the tip of second fastening knob to, the connecting block is connected with the rubber block through the second elastic component.

The utility model discloses in, the cat ladder set up the convenient to use person climbing, the cat ladder forms the climbing space with each retaining ring, and anti-falling device sets up in the climbing space, and anti-falling device can stimulate the safety belt when the user weighs down like this, prevents the user and continues the tenesmus, can prevent effectively that the user from falling, has improved the security of climbing the frame, and protection user's personal safety has solved the lower problem of security performance of climbing the frame among the prior art.

Drawings

Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Also, like reference numerals are used to refer to like parts throughout the drawings. In the drawings:

fig. 1 is a schematic structural view of a climbing frame according to an embodiment of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic front view of a climbing frame according to an embodiment of the present invention;

fig. 4 is a schematic top view of the climbing frame according to the embodiment of the present invention.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art. It should be noted that, in the present invention, the embodiments and features of the embodiments may be combined with each other without conflict. The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.

Referring to fig. 1 to 4, a preferred structure of a climbing frame according to an embodiment of the present invention is shown. As shown in the drawing, the creel includes: the ladder comprises a ladder stand 1, a plurality of arc-shaped check rings 2 and an anti-falling device 3. Wherein, cat ladder 1 can include: two montants 102 and a plurality of horizontal pole 101, two montants 102 set up side by side, and each horizontal pole 101 all transversely is established between two montants 102 to, each horizontal pole 101 all sets up side by side and along the length direction (the direction from top to bottom that fig. 1 shows) evenly distributed of montant 102.

The number of the retaining rings 2 is the same as that of the cross rods 101, each retaining ring 2 corresponds to each cross rod 101 one by one, two ends of each retaining ring 2 are connected with two ends of the corresponding cross rod 101 one by one, and the retaining rings 2 are arranged at intervals in the height direction of the ladder stand 1. The space between each retaining ring 2 and the cat ladder 1 forms the climbing space for the user to climb each horizontal pole 101 in the climbing space.

Anti-falling device 3 sets up in climbing space, and anti-falling device 3 is used for being connected with the one end detachably of safety belt, and the other end of installation belt is connected with the user. When the user falls, the falling prevention device 3 pulls the safety belt to prevent the user from continuing falling, thereby protecting the user.

During the concrete implementation, each retaining ring 2's the outside sets up a stiffener 20, and stiffener 20 is parallel with cat ladder 1, and every retaining ring 2 all is connected with stiffener 20 to support fixedly to each retaining ring 2.

It can be seen that, in this embodiment, cat ladder 1 set up the convenient to use person climbing, cat ladder 1 forms the climbing space with each retaining ring 2, and anti-falling device 3 sets up in the climbing space, and anti-falling device 3 can stimulate the safety belt when the user weighs down like this, prevents that the user from continuing to weigh down, can prevent effectively that the user from falling, has improved the security of climbing the frame, and protection user's personal safety has solved the lower problem of security performance of climbing the frame among the prior art.

With continued reference to fig. 1 to 4, in the above-described embodiment, the fall arrest device 3 comprises: a safety rod 4, a sliding barrel 5 and an anti-falling mechanism. Wherein, the retaining ring 2 that corresponds to the top of cat ladder 1 and bottom department respectively all is provided with connecting rod 6, specifically, transversely establishes a connecting rod 6 corresponding to the retaining ring 2 of the top of cat ladder 1 (the upper portion shown in fig. 1) department, transversely establishes a connecting rod 6 corresponding to the retaining ring 2 of the bottom of cat ladder 1 (the lower portion shown in fig. 1) department, and two connecting rods 6 all parallel with horizontal pole 101. The both ends of safety lever 4 are connected with two connecting rods 6 one-to-one respectively, and safety lever 4 is worn to locate to smooth section of thick bamboo 5 slidable, and specifically, smooth section of thick bamboo 5 is inside hollow barrel and both ends are the open end. The safety rod 4 is inserted into the slide cylinder 5, and the slide cylinder 5 can slide along the safety rod 4.

In specific implementation, the cross section of the safety rod 4 is square to prevent the sliding cylinder 5 from rotating. The inside of the sliding barrel 5 is also square, and the sliding barrel 5 is in clearance fit with the safety rod 4. Safety bar 4 is close to retaining ring 2 and sets up, avoids influencing user's climbing cat ladder 1.

The anti-falling mechanism is arranged on the sliding barrel 5 and is detachably connected with the safety belt. Like this, when the user climbs on cat ladder 1, drive through the safety belt and prevent weighing down the mechanism and slide, and then drive slide cartridge 5 and slide along safety lever 4, guarantee user's normal climbing. When the user suddenly falls down, the falling prevention mechanism pulls the safety belt to prevent the user from falling down.

Preferably, the fall arrest mechanism comprises: baffle 7, safety frame 8 and stop gear. The baffle 7 is vertically disposed on a first side of the slide cylinder 5 facing the retainer 2, specifically, a first side (left side in fig. 2) of the slide cylinder 5 facing the retainer 2, and the baffle 7 is perpendicular to the slide cylinder 5. The baffle 7 can be T-shaped, the vertical section of the baffle 7 is connected with the first side of the slide cylinder 5, and the horizontal section of the baffle 7 is a free end.

Referring to fig. 2 and 4, the safety frame 8 is sleeved outside the slide cylinder 5, and the safety frame 8 is rotatably connected with the outer wall of the slide cylinder 5, so that the safety frame 8 can rotate relative to the slide cylinder 5. Safety frame 8 is arranged below baffle 7, and then baffle 7 restricts the upset angle of safety frame 8, and specifically, safety frame 8 is blockked by the horizontal segment of baffle 7 after the upset, and the horizontal segment of baffle 7 stretches out to the both sides of safety frame 8, and the length of the horizontal segment of baffle 7 is greater than the size of safety frame 8 promptly to guarantee that safety frame 8 is blockked by the horizontal segment of baffle 7.

The end of the safety frame 8 corresponding to the second side (right side as viewed in fig. 2) of the slide cylinder 5 is provided with a pull ring 19, and the pull ring 19 is detachably connected to a safety belt. The limiting mechanism is arranged at the second side of the sliding barrel 5 and used for enabling the safety frame 8 to rotate within a preset range, so that the sliding barrel 5 can be guaranteed to freely rise or fall along the safety rod 4 normally, and the safety frame 8 is prevented from being turned excessively and being clamped into the retainer ring 2. Only when the user suddenly drops, the safety frame 8 can be overturned to be blocked by the baffle 7, so that the user is prevented from further dropping.

Preferably, the stopper mechanism is provided at the bottom (lower portion shown in fig. 2) of the second side of the slide cylinder 5.

The limiting mechanism limits the distance between the safety frame 8 and the retainer ring 2 within a preset distance range, the preset distance range can be determined according to actual conditions, and the embodiment does not limit the distance. That is to say, stop gear both must guarantee that safety frame 8 has slight upset and can freely rise or descend along safety lever 4 with slide cartridge 5, also must guarantee simultaneously when the user falls suddenly that safety frame 8 can overturn to being blockked by baffle 7 to, safety frame 8 is blockked by retaining ring 2 that closes on, thereby ensures that safety frame 8 can not fall downwards, prevents the user to continue to fall promptly.

With continued reference to fig. 1-4, the spacing mechanism may include: a limiting cylinder 9, a limiting rod 10 and a first elastic piece 11. Wherein, the limiting cylinder 9 is arc-shaped, and the limiting rod 10 is also arc-shaped. The first end (the lower end shown in fig. 2) of the limiting cylinder 9 is rotatably arranged at the bottom of the second side of the sliding cylinder 5, and the second end (the upper end shown in fig. 2) of the limiting cylinder 9 is open. A first end (an upper end shown in fig. 2) of the limiting rod 10 is rotatably connected with the safety frame 8, a second end (a lower end shown in fig. 2) of the limiting rod 10 is connected with a first end (an upper end shown in fig. 2) of the first elastic member 11, the first elastic member 11 is arranged in the limiting cylinder 9, and a second end (a lower end shown in fig. 2) of the first elastic member 11 is connected with the inner wall of the limiting cylinder 9. Specifically, the second end of the limiting rod 10 is disposed in the limiting cylinder 9, and the limiting rod 10 can move in the limiting cylinder 9 under the elastic force of the first elastic element 11, that is, the limiting rod 10 is disposed in the limiting cylinder 9 in a retractable manner, so as to ensure that the safety frame 8 rotates freely below the baffle 7.

Preferably, the first end of the limiting cylinder 9 is hinged to the bottom of the second side of the sliding cylinder 5, and the first end of the limiting rod 10 is hinged to the safety frame 8.

It can be seen that, in this embodiment, a spacing section of thick bamboo 9 is the arc, and the contractility is good, and the user accessible safety belt and safety frame 8 drive slide cartridge 5 and slide along safety bar 4 when climbing cat ladder 1 to realize user's normal climbing, and when the user weighs down suddenly, safety frame 8 can overturn to being blocked by baffle 7, and, safety frame 8 is blocked by retaining ring 2, prevents that the user from continuing to weigh down, guarantees user's safety effectively.

With continued reference to fig. 1-4, in the above-described embodiment, the fall arrest mechanism may further comprise: an adjustment mechanism. Wherein, adjustment mechanism sets up in spacing section of thick bamboo 9, and adjustment mechanism is used for adjusting the degree of inclination of safety frame 8 and the distance between safety frame 8 and retaining ring 2.

The adjustment mechanism may include: a slider 12 and a first tightening knob 13. Wherein, the outer wall of the limiting cylinder 9 is provided with an arc-shaped slideway, and the slideway is communicated with the inside of the limiting cylinder 9. Specifically, the slide way is a sliding groove which is formed in the outer wall of the limiting cylinder 9 and extends towards the inside of the limiting cylinder 9.

The slide block 12 is arranged inside the limiting cylinder 9, the slide block 12 is connected with the second end of the first elastic element 11, and the slide block 12 can freely slide in the limiting cylinder 9. The first fastening knob 13 is slidably disposed through the slide way and is screwed with the slider 12. Specifically, because the slide is linked together with the inside of spacing section of thick bamboo 9, so first fastening knob 13 can be worn to locate the slide to, first fastening knob 13 and the slider 12 looks spiro union in the spacing section of thick bamboo 9, first fastening knob 13 can freely slide along the slide, and then drives slider 12 and slide in spacing section of thick bamboo 9. When the sliding block 12 slides to any position in the limiting cylinder 9, the first fastening knob 13 is screwed with the sliding block 12, and the sliding block 12 is extruded to enable the sliding block 12 and the limiting cylinder 9 to be relatively fixed. Like this, first fastening knob 13 drives the free slip of slider 12 in spacing section of thick bamboo 9 for the position of the second end of first elastic component 11 is adjustable in spacing section of thick bamboo 9, has adjusted the degree of inclination of safety frame 8 promptly and the distance between safety frame 8 and retaining ring 2, uses more in a flexible way.

In specific implementation, the sliding block 12 is arc-shaped, that is, the shape of the sliding block 12 is matched with the limiting cylinder 9.

With continued reference to fig. 1-4, in the above embodiments, the fall arrest device 3 may further comprise: a friction mechanism. Wherein, friction mechanism sets up between slide cartridge 5 and safety bar 4, and friction mechanism is used for increasing the frictional force between slide cartridge 5 and the safety bar 4, avoids slide cartridge 5 for the arbitrary slip of safety bar 4, has guaranteed the security that the user climbed cat ladder 1.

The friction mechanism may include: a support cylinder 14 and a second tightening knob 15. Both ends of the support cylinder 14 are open ends, and a first end (a right end shown in fig. 2) of the support cylinder 14 is disposed on the slide cylinder 5, specifically on a first side of the slide cylinder 5 and near the top of the slide cylinder 5. The inside of the support cylinder 14 communicates with the inside of the slide cylinder 5.

The inner wall at the second end (left end shown in fig. 2) of the support cylinder 14 is provided with a thread, a second fastening knob 15 is screwed with the second end of the support cylinder 14, and an end of the second fastening knob 15 abuts against the safety lever 4. But the end of the second tightening knob 15 does not abut against the safety bar 4 to ensure that the spool 5 can slide freely along the safety bar 4.

Preferably, the friction mechanism further includes: a rubber block 16. Wherein a rubber block 16 is provided at an end of the second fastening knob 15, and the rubber block 16 is in contact with the safety lever 4. In this way, the second tightening knob 15 is in contact with the safety lever 4 through the rubber block 16 to prevent the sliding cartridge 5 from freely sliding with respect to the safety lever 4, further increasing the friction between the safety lever 4 and the sliding cartridge 5.

Preferably, the friction mechanism further includes: a connecting block 17 and a second elastic member 18. Wherein a connection block 17 is provided at an end of the second fastening knob 15, and the connection block 17 is connected with the rubber block 16 by a second elastic member 18. Specifically, the connecting block 17 is slidable within the support cylinder 14, and the connecting block 17 is connected to one end of a second elastic member 18, and the other end of the second elastic member 18 is connected to the rubber block 16. Thus, the second fastening knob 15 moves in the supporting cylinder 14, and drives the second elastic member 18 and the rubber block 16 to move together to contact with the safety lever 4, and the rubber block 16 can be pushed to the safety lever 4 by the elastic force of the second elastic member 18, so that the friction force between the rubber block 16 and the safety lever 4 is further increased, and the friction force between the rubber block 16 and the safety lever 4 can be adjusted.

To sum up, in this implementation, the user climbing of being convenient for of setting up of cat ladder 1, cat ladder 1 forms the climbing space with each retaining ring 2, and anti-falling device 3 sets up in the climbing space, and anti-falling device 3 can stimulate the safety belt when the user falls down like this, prevents that the user from continuing to fall, can prevent effectively that the user from falling, has improved the security of climbing the frame, protection user's personal safety.

It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

It will be apparent to those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. A creel, comprising: the ladder comprises a ladder stand (1), a plurality of arc-shaped check rings (2) and an anti-falling device (3); wherein,

the check rings (2) are arranged at intervals along the height direction of the ladder stand (1), and a climbing space is formed in the space between each check ring (2) and the ladder stand (1);

the anti-falling device (3) is arranged in the climbing space and is detachably connected with a safety belt so as to pull the safety belt when a user falls down.

2. Creeper according to claim 1, characterized in that the fall arrest device (3) comprises: the safety rod (4), the sliding cylinder (5) and the anti-falling mechanism; wherein,

the check rings (2) respectively corresponding to the top and the bottom of the ladder stand (1) are respectively provided with a connecting rod (6);

the safety device is characterized in that two ends of the safety rod (4) are respectively connected with the two connecting rods (6), the sliding cylinder (5) is slidably arranged on the safety rod (4), and the anti-falling mechanism is arranged on the sliding cylinder (5) and detachably connected with the safety belt.

3. The creeper of claim 2, wherein the fall arrest mechanism comprises: the safety device comprises a baffle (7), a safety frame (8) and a limiting mechanism; wherein,

the baffle (7) is vertically arranged on the first side, facing the retainer ring (2), of the sliding barrel (5);

the safety frame (8) is sleeved outside the sliding barrel (5) and is rotatably connected with the sliding barrel (5), the safety frame (8) is arranged below the baffle (7), and a pull ring (19) detachably connected with the safety belt is arranged at the end part, corresponding to the second side of the sliding barrel (5), of the safety frame (8);

the limiting mechanism is arranged on the second side of the sliding barrel (5) and used for enabling the safety frame (8) to rotate within a preset range.

4. The creel of claim 3, wherein the limiting mechanism includes: the device comprises an arc-shaped limiting cylinder (9), an arc-shaped limiting rod (10) and a first elastic piece (11) arranged in the limiting cylinder (9); wherein,

the first end of the limiting cylinder (9) is rotatably arranged at the bottom of the second side of the sliding cylinder (5), and the second end of the limiting cylinder (9) is arranged in an open manner;

the first end of the limiting rod (10) is rotatably connected with the safety frame (8), the second end of the limiting rod (10) is connected with the first end of the first elastic piece (11), and the second end of the first elastic piece (11) is connected with the inner wall of the limiting barrel (9).

5. The creeper of claim 4, wherein the fall arrest mechanism further comprises: an adjustment mechanism; wherein,

the adjusting mechanism is arranged on the limiting cylinder (9) and used for adjusting the inclination degree of the safety frame (8) and the distance between the safety frame (8) and the retainer ring (2).

6. The creel of claim 5, wherein the adjustment mechanism includes: a slider (12) and a first fastening knob (13); wherein,

the outer wall of the limiting cylinder (9) is provided with an arc-shaped slideway, and the slideway is communicated with the inside of the limiting cylinder (9);

the sliding block (12) is arranged in the limiting cylinder (9) and connected with the second end of the first elastic piece (11), the first fastening knob (13) slidably penetrates through the slide way and is in threaded connection with the sliding block (12), and the first fastening knob (13) is used for driving the sliding block (12) to slide in the limiting cylinder (9) and enabling the sliding block (12) and the limiting cylinder (9) to be fixed relatively when sliding to any position.

7. The creeper of claim 2, wherein the fall arrest device further comprises: a friction mechanism; wherein,

the friction mechanism is arranged between the sliding cylinder (5) and the safety rod (4) and used for increasing the friction force between the sliding cylinder (5) and the safety rod (4).

8. The creel of claim 7, wherein the friction mechanism includes: a supporting cylinder (14) with two open ends and a second fastening knob (15); wherein,

the first end of the supporting cylinder (14) is arranged on the sliding cylinder (5), and the inside of the supporting cylinder (14) is communicated with the inside of the sliding cylinder (5);

the inner wall of the second end of the support cylinder (14) is provided with threads, the second fastening knob (15) is in threaded connection with the second end of the support cylinder (14), and the end of the second fastening knob (15) abuts against the safety rod (4).

9. The creel of claim 8, wherein the friction mechanism further includes: a rubber block (16); wherein,

the rubber block (16) is arranged at the end part of the second fastening knob (15) and is in contact with the safety rod (4).

10. The creel of claim 9, wherein the friction mechanism further includes: a connecting block (17) and a second elastic member (18); wherein,

the connecting block (17) is arranged at the end part of the second fastening knob (15), and the connecting block (17) is connected with the rubber block (16) through the second elastic piece (18).