Anti-panic descender

Abstract

The utility model discloses an anti-panic descender, and belongs to the technical field of lifting devices. An anti-panic descender comprises a fixed side plate, a movable side plate and a wheel seat assembly. The wheel seat assembly is arranged between the fixed side plate and the movable side plate; a sliding groove is formed in the fixed side plate in a penetrating mode. The wheel seat assembly comprises a wheel seat and a rope wheel; one end of the wheel seat is circular; a ring block is fixedly arranged on a circular ring of the wheel seat, and an inner gear sleeves the periphery of the ring block; a plurality of mounting grooves are formed in the periphery of the ring block and are formed in the periphery of the ring block at intervals; a ratchet is embedded in one end of the mounting groove, a reed is embedded in the other end of the mounting groove, and the reed abuts against the ratchet; teeth are arranged on the outer side wall, away from the reed, of the ratchet. The ratchet is in meshed connection with the inner gear; the rope wheel covers the periphery of the inner gear and is connected with the inner gear; the inner gear is matched with a ratchet and a reed which are assembled on the ring block, so that the rope wheel rotates in one direction, and the rope wheel is prevented from rotating.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of lifting device, more specifically, relate to a kind of anti-panic descender. BACKGROUND

[0002] In rock climbing, rope rescue and other activities, descender is a device to control the lifting speed of rope, usually used for rock climbers or rescuers to descend safely;Common descender includes "eight-character ring" and "ATC" and the like;The working principle of descender is based on generating friction between rope and device to control the descending speed;User adjusts friction by changing the path length of rope in device, friction coefficient and included angle, to control the descending speed of itself;In prior art, the requirement of operator is relatively high, if operator operates improperly, the consequence will be unpredictable when rope wheel suddenly loses control and rotates. CONTENT OF UTILITY MODEL

[0003] The technical problem to be solved by the utility model lies in providing a kind of anti-panic descender, which can prevent the phenomenon of sudden rotation of rope wheel.

[0004] The utility model relates to a kind of anti-panic descender, including fixed side plate, mobile side plate, rotating sleeve and wheel seat assembly;Mobile side plate is rotatably connected with fixed side plate by rotating sleeve;Wheel seat assembly is installed between fixed side plate and mobile side plate;

[0005] Slotted is passed through and established on fixed side plate;Wheel seat assembly includes wheel seat and rope wheel;One end of wheel seat is circularly arranged;Ring block is fixedly arranged on the circular ring of wheel seat, and internal gear is sleeved on the outer periphery of ring block;A plurality of installation grooves are formed in the outer periphery of ring block, and the installation grooves are arranged at intervals in the outer periphery of ring block;One end of installation groove is embedded with ratchet, and the other end of installation groove is embedded with reed, and reed and ratchet are abutted;Teeth are arranged on the outer side wall away from reed of ratchet;Ratchet and internal gear are meshingly connected;Rope wheel cover is arranged on the outer periphery of internal gear, and is connected with internal gear;Internal gear cooperates with ratchet and reed assembled on ring block, so that rope wheel rotates unidirectionally, and prevents rope wheel from rotating.

[0006] As a further improvement of the utility model, wheel seat assembly further includes first wheel shaft;Rope wheel cover is arranged on the circular ring of wheel seat, first wheel shaft passes through rope wheel, wheel seat and slotted in sequence, and extends out of slotted and is arranged, first wheel shaft drives wheel seat assembly to slide along slotted.

[0007] As a further improvement of the utility model, further include handle assembly;Handle assembly is installed on the side of fixed side plate away from wheel seat assembly;

[0008] The handle assembly comprises a handle, a connecting rod, a first spring, a handle rotating shaft and a connecting rod rotating shaft; the handle is rotatably connected with the fixed side plate through the handle rotating shaft; the connecting rod is rotatably connected with the handle through the connecting rod rotating shaft; one end of the connecting rod extending out of the outer side wall of the fixed side plate is linked with the first axle shaft to drive the first axle shaft to reciprocatingly slide in the sliding groove.

[0009] As a further improvement of the utility model, a second clamping groove and a rotating groove are respectively formed on the side of the handle facing the fixed side plate; the rotating groove and the second clamping groove are in communication; one end of the connecting rod is rotatably embedded in the rotating groove;

[0010] The handle assembly further comprises a first spring; the first spring is embedded in the second clamping groove, and the two ends of the first spring are in abutment with the inner side wall of the second clamping groove;

[0011] One end of the connecting rod away from the rotating groove of the handle is bent or folded to form a bent part; a connecting column is fixedly arranged on the outer side wall of the other end of the connecting rod away from the bent part, and a clamping column is fixedly arranged on one side of the connecting column; one end of the first spring is in abutment with the inner side wall of the second clamping groove; the other end of the first spring is sleeved on the clamping column and in abutment with the connecting column, and the clamping column extends into the first spring.

[0012] As a further improvement of the utility model, a protruding part is arranged on the middle part or the adjacent region of the middle part of the connecting rod; the protruding part and the bent part are arranged on the same side of the connecting rod, and a first recess is formed between the protruding part and the bent part; the first recess is in linkage with one end of the first axle shaft extending out of the outer side wall of the fixed side plate;

[0013] A connecting groove is formed in the handle from the outside to the inside; the connecting groove, the second clamping groove and the rotating groove are arranged on the same end of the handle; one end of the handle rotating shaft penetrates the connecting groove and is rotatably connected with the handle; the other end of the handle rotating shaft penetrates the fixed side plate and is rotatably connected with the fixed side plate;

[0014] The handle assembly further comprises a handle torsional spring, which is sleeved on the outer periphery of the handle rotating shaft and arranged between the handle and the fixed side plate.

[0015] As a further improvement of the utility model, a second axle shaft is further arranged; a third clamping groove is formed in the inner side wall of the fixed side plate, and the sliding groove is arranged in the third clamping groove; a wheel seat is arranged in the third clamping groove, and the wheel seat is rotatably connected with the fixed side plate through the second axle shaft and is driven to slide in the third clamping groove through the sliding of the first axle shaft in the sliding groove.

[0016] As a further improvement of the utility model, a friction block and a switch assembly are further arranged; the friction block is arranged between the fixed side plate and the moving side plate; the friction block is provided with a second insertion groove; the moving side plate is provided with a first insertion hole; the switch assembly penetrates the first insertion hole and the second insertion groove in sequence and is slidably embedded in the second insertion groove.

[0017] As a further improvement of the utility model, the switch assembly comprises a button, a receiving seat, a cross rod and a second spring; the receiving seat is slidably embedded in the second slot; a first through hole is formed in the top of the receiving seat, and a third through hole is formed in the bottom of the receiving seat; two second through holes are formed in the two sides of the receiving seat respectively, and the two second through holes are oppositely arranged; the two ends of the cross rod are respectively penetrated through the corresponding second through holes and arranged in the first through hole; a third recess is formed in the lower end of the button; the lower end of the button is embedded in the first through hole, and the third recess is slidably covered on the outer periphery of the cross rod; the second spring is embedded in the third through hole, and the other end of the second spring is abuttingly arranged with the bottom of the second slot.

[0018] The switch assembly further comprises a limiting piece; a second limiting groove is formed in the outer peripheral sidewall of the receiving seat; one end of the limiting piece is slidably embedded in the second limiting groove, and the other end of the limiting piece is sequentially penetrated through the sidewall of the second slot and connected with the friction block.

[0019] As a further improvement of the utility model, the switch assembly further comprises a hanging hole fixing block, the hanging hole fixing block is arranged between the fixed side plate and the movable side plate; the friction block and the hanging hole fixing block are fixedly arranged on the sidewall of the fixed side plate on the two sides of the wheel seat assembly respectively; corresponding wire grooves are formed in the outer sides of the friction block and the hanging hole fixing block, so that the ropes can pass through.

[0020] As a further improvement of the utility model, the switch assembly further comprises a movable friction block; the movable friction block comprises a body and a blocking block; one end of the body is connected with the fixed side plate; the other end of the body is fixedly connected with the blocking block, and the blocking block is arranged on the outer side of the friction block through the body.

[0021] Compared with the prior art, the utility model has the beneficial effects that the rope wheel cover of the wheel seat assembly is arranged on the outer periphery of the internal gear and connected with the internal gear; the reed and the ratchet are abuttingly arranged; the outer sidewall of the ratchet away from the reed is provided with a tooth; the ratchet is meshingly connected with the internal gear; the rope wheel can only rotate in one direction through the cooperation of the internal gear ring, the ratchet on the ring block and the reed, so that the sudden reverse rotation of the rope wheel is prevented.

[0022] The handle of the handle assembly controls the reciprocating sliding of the first rotating shaft along the sliding groove of the fixed side plate through the connecting rod, and one end of the connecting rod is further connected with the first spring; the first spring cooperates with the connecting rod to automatically reset the connecting rod after panic, so that the out-of-control phenomenon of the descent device caused by the emergency or excessive operation of the operator is prevented. BRIEF DESCRIPTION OF DRAWINGS

[0023] Figure 1 It is a schematic view of the descent device structure of the utility model;

[0024] Figure 2 It is a schematic view of the local structure of the descent device of the utility model;

[0025] Figure 3 Figure 2 is a partial structure diagram of the descending device of the utility model;

[0026] Figure 4 Figure 3 is a partial structure diagram of the descending device of the utility model;

[0027] Figure 5 Figure 4 is an exploded structure diagram of the descending device of the utility model;

[0028] Figure 6 Figure 5 is a handle structure diagram of the utility model;

[0029] Figure 7 Figure 6 is an exploded structure diagram of the wheel seat assembly of the utility model;

[0030] Figure 8 Figure 7 is a structure diagram of the descending device of the utility model;

[0031] Figure 9 Figure 8 is a partial cross-section structure diagram of the descending device of the utility model;

[0032] Figure 10 Figure 9 is a partial cross-section structure diagram of the descending device of the utility model;

[0033] Figure 11 Figure 10 is a structure diagram of the descending device of the utility model;

[0034] Figure 12 Figure 11 is a partial structure diagram of the descending device of the utility model.

[0035] Mark explanation in the drawing:

[0036] 1, moving side plate; 2, fixed side plate; 21, sliding groove; 3, handle assembly; 31, handle; 311, second clamping groove; 32, connecting rod; 321, first recess; 322, connecting column; 323, clamping column; 33, first spring; 34, plunger; 35, handle rotating shaft; 36, handle torsional spring; 37, first limiting sheet; 38, connecting rod rotating shaft; 4, cover; 5, movable friction block; 6, rotating sleeve; 7, side plate gasket; 8, wheel seat assembly; 81, wheel seat; 82, rope wheel; 83, pulley gasket; 84, ring block; 85, internal gear; 86, ratchet; 87, spring sheet; 88, first wheel shaft; 9, friction block; 10, switch assembly; 101, button; 1011, third recess; 102, receiving seat; 1021, second through hole; 1022, second limiting groove; 103, limiting piece; 104, cross bar; 105, second spring; 11, hanging hole fixed block. DETAILED DESCRIPTION

[0037] The utility model will be further explained in detail in combination with the embodiments below, and the following embodiments are the explanation of the utility model, and the utility model is not limited to the following embodiments.

[0038] Specific embodiment one: please refer to Figures 1-12 A kind of anti-panic descender, including fixed side plate 2, mobile side plate 1 and rotating sleeve 6;Mobile side plate 1 is connected with fixed side plate 2 by rotating sleeve 6 and rotates;One end of rotating sleeve 6 penetrates one end of fixed side plate 2, and is installed with fixed side plate 2;The other end of rotating sleeve 6 penetrates mobile side plate 1, and is connected with mobile side plate 1 and rotates;Rotating sleeve 6 is peripherally provided with side plate gasket 7, and side plate gasket 7 is arranged between fixed side plate 2 and mobile side plate 1.

[0039] Descender further includes handle assembly 3 and wheel seat assembly 8, wheel seat assembly 8 is installed and arranged between fixed side plate 2 and mobile side plate 1;Handle assembly 3 is installed and arranged on the side of fixed side plate 2 away from wheel seat assembly 8.

[0040] Slotted hole 21 is penetrated and arranged on fixed side plate 2;Wheel seat assembly 8 includes wheel seat 81, rope wheel 82 and first axle 88;One end of wheel seat 81 is circularly arranged, rope wheel 82 is covered on the ring of wheel seat 81, first axle 88 penetrates rope wheel 82, wheel seat 81 and slotted hole 21 in sequence, and extends out of slotted hole 21 and is arranged, and first axle 88 drives wheel seat assembly 8 to slide along slotted hole 21.

[0041] Ring block 84 is fixedly arranged on the ring of wheel seat 81, and ring block 84 is peripherally provided with internal gear 85;A plurality of installation grooves are arranged on the periphery of ring block 84, and the installation grooves are arranged at intervals on the periphery of ring block 84;One end of the installation groove is embedded with ratchet 86, and the other end of the installation groove is embedded with reed 87, and reed 87 and ratchet 86 are abutted;The outer side wall of ratchet 86 away from reed 87 is provided with a tooth;Ratchet 86 is connected with internal gear 85 and is arranged in meshing.

[0042] Rope wheel 82 is covered on the periphery of internal gear 85, and is connected with internal gear 85;Internal gear 85 cooperates with ratchet 86 and reed 87 assembled on ring block 84, so that rope wheel 82 can only rotate in one direction, and sudden rotation of rope wheel 82 is prevented.

[0043] Corresponding first wire slot is arranged on the periphery of rope wheel 82 to pass through the rope.

[0044] Optionally, the descender further includes a second axle;Third clamping groove is arranged on the inner side wall of fixed side plate 2, and slotted hole 21 is arranged in the third clamping groove;Wheel seat 81 is arranged in the third clamping groove, and wheel seat 81 is connected with fixed side plate 2 by the second axle and is driven to slide in the third clamping groove by the sliding of first axle 88 in slotted hole 21.

[0045] Optionally, the third clamping groove is in the shape of a water drop.

[0046] The handle assembly 3 comprises a handle 31, a connecting rod 32, a first spring 33, a handle rotating shaft 35 and a connecting rod rotating shaft 38; the handle 31 is rotationally connected with the fixed side plate 2 through the handle rotating shaft 35; the connecting rod 32 is rotationally connected with the handle 31 through the connecting rod rotating shaft 38; the connecting rod 32 is linked with one end of the first wheel shaft 88 extending out of the outer side wall of the fixed side plate 2 to drive the first wheel shaft 88 to reciprocally slide in the sliding groove 21.

[0047] The side of the handle 31 facing the fixed side plate 2 is provided with a second clamping groove 311 and a rotating groove; the rotating groove is in through communication with the second clamping groove 311; one end of the connecting rod 32 is rotationally embedded in the rotating groove;

[0048] The handle assembly 3 further comprises the first spring 33; the first spring 33 is embedded in the second clamping groove 311, and the two ends of the first spring 33 are in abutment with the inner side wall of the second clamping groove 311; the first spring 33 cooperates with the connecting rod 32 to buffer the rotation of the handle 31 and the connecting rod 32, so that the rotation of the handle is smoother, and sudden rotation is avoided.

[0049] The end of the connecting rod 32 away from the rotating groove of the handle 31 is bent or folded to form a bent portion; the outer side wall of the end of the connecting rod 32 away from the bent portion is fixedly provided with a connecting column 322, and one side of the connecting column 322 is fixedly provided with a clamping column 323; one end of the first spring 33 is in abutment with the inner side wall of the second clamping groove 311; the other end of the first spring 33 is sleeved on the clamping column 323 and in abutment with the connecting column 322, and the clamping column 323 extends into the interior of the first spring 33.

[0050] Optionally, the middle portion or the adjacent region of the middle portion of the connecting rod 32 is provided with a protruding portion; the protruding portion and the bent portion are arranged on the same side of the connecting rod 32, and a first recess 321 is formed between the protruding portion and the bent portion; the first recess 321 is linked and mounted with the end of the first wheel shaft 88 extending out of the outer side wall of the fixed side plate 2.

[0051] The handle 31 is provided with a connecting groove in through from the outside to the inside; the connecting groove, the second clamping groove 311 and the rotating groove are arranged at the same end of the handle 31; one end of the handle rotating shaft 35 penetrates through the connecting groove and is rotationally connected with the handle 31; the other end of the handle rotating shaft 35 penetrates through the fixed side plate 2 and is rotationally connected with the fixed side plate 2.

[0052] The handle assembly 3 further comprises a handle torsional spring 36, which is sleeved on the outer periphery of the handle rotating shaft 35 and arranged between the handle 31 and the fixed side plate 2.

[0053] The descending device further comprises a friction block 9 and a switch assembly 10; the friction block 9 is arranged between the fixed side plate 2 and the movable side plate 1; the friction block 9 is provided with a second slot; the movable side plate 1 is provided with a first insertion hole; the switch assembly 10 is sequentially inserted through the first insertion hole and the second slot and is slidably arranged in the second slot.

[0054] The switch assembly 10 comprises a button 101, a receiving seat 102, a cross rod 104 and a second spring 105; the receiving seat 102 is slidably arranged in the second slot; the receiving seat 102 is provided with a first through hole at the top and a third through hole at the bottom; the two sides of the receiving seat 102 are provided with two second through holes 1021, respectively; the two ends of the cross rod 104 are inserted through the corresponding second through holes 1021 and are arranged in the first through hole; the lower end of the button 101 is provided with a third recess 1011; the lower end of the button 101 is arranged in the first through hole and the third recess 1011 is slidably arranged on the outer periphery of the cross rod 104; the second spring 105 is arranged in the third through hole and the other end of the second spring 105 is abuttingly arranged with the bottom of the second slot.

[0055] The switch assembly 10 further comprises a limiting piece 103; the outer periphery of the receiving seat 102 is provided with a second limiting slot 1022; one end of the limiting piece 103 is slidably arranged in the second limiting slot 1022 and the other end of the limiting piece 103 is sequentially inserted through the side wall of the second slot and is connected with the friction block 9.

[0056] The descending device further comprises a hanging hole fixing block 11; the hanging hole fixing block 11 is arranged between the fixed side plate 2 and the movable side plate 1; the friction block 9 and the hanging hole fixing block 11 are fixedly arranged on the side wall of the fixed side plate 2 on the two sides of the wheel seat assembly 8; the outer side of the friction block 9 and the hanging hole fixing block 11 are provided with corresponding wire grooves for the rope to pass through.

[0057] Preferably, the wire grooves of the friction block 9 and the hanging hole fixing block 11 are oppositely arranged.

[0058] The descending device further comprises a movable friction block 5; the movable friction block 5 comprises a body and a blocking block; one end of the body is connected with the fixed side plate 2; the other end of the body is fixedly connected with the blocking block and the blocking block is arranged on the outer side of the friction block 9 through the body.

[0059] The descending device further comprises a cover 4; the cover 4 is arranged on the outer side wall of the fixed side plate 2.

[0060] The above is only the preferred specific embodiment of the present application; the protection scope of the present application is not limited to this; any skilled person in the art can make equivalent replacement or change according to the technical scheme and the improved concept of the present application within the technical range disclosed by the present application; all of which should be covered in the protection scope of the present application.

Claims

1. A panic descent device, characterized in that: It includes a fixed side plate (2), a movable side plate (1), a rotating sleeve (6), and a wheel seat assembly (8); the movable side plate (1) is rotatably connected to the fixed side plate (2) through the rotating sleeve (6); the wheel seat assembly (8) is installed between the fixed side plate (2) and the movable side plate (1); A groove (21) is provided through the fixed side plate (2); the wheel seat assembly (8) includes a wheel seat (81) and a rope wheel (82); one end of the wheel seat (81) is arranged in a ring; a ring block (84) is fixedly arranged on the ring of the wheel seat (81), and an internal gear (85) is sleeved on the outer circumference of the ring block (84); a number of mounting grooves are provided on the outer circumference of the ring block (84), and the mounting grooves are spaced apart on the outer circumference of the ring block (84); a ratchet (86) is embedded at one end of the mounting groove, and a spring is embedded at the other end of the mounting groove. The plate (87), the spring plate (87) and the ratchet (86) are abutted together; the ratchet (86) has teeth on the outer side wall away from the spring plate (87); the ratchet (86) is meshed with the internal gear (85); the rope wheel (82) is covered on the outer circumference of the internal gear (85) and is installed and connected to the internal gear (85); the internal gear (85) cooperates with the ratchet (86) and the spring plate (87) assembled on the ring block (84) to make the rope wheel (82) rotate in one direction and prevent the rope wheel (82) from rotating back.

2. The anti-panic descender according to claim 1, characterized in that: The wheel seat assembly (8) also includes a first wheel axle (88); the rope wheel (82) is covered on the ring of the wheel seat (81), and the first wheel axle (88) passes through the rope wheel (82), the wheel seat (81) and the slide (21) in sequence, and extends out of the slide (21). The first wheel axle (88) drives the wheel seat assembly (8) to slide along the slide (21).

3. The anti-panic descender according to claim 2, characterized in that: It also includes a handle assembly (3); the handle assembly (3) is installed on the side of the fixed side plate (2) away from the wheel assembly (8); The handle assembly (3) includes a handle (31), a connecting rod (32), a first spring (33), a handle pivot (35), and a connecting rod pivot (38); the handle (31) is rotatably connected to the fixed side plate (2) through the handle pivot (35); the connecting rod (32) is rotatably connected to the handle (31) through the connecting rod pivot (38); the connecting rod (32) is linked to one end of the first wheel axle (88) that extends out of the outer side wall of the fixed side plate (2) to drive the first wheel axle (88) to reciprocate within the slide groove (21).

4. The anti-panic descender according to claim 3, characterized in that: The handle (31) has a second slot (311) and a rotating slot on the side facing the fixed side plate (2); the rotating slot and the second slot (311) are connected through each other; one end of the connecting rod (32) is rotatably embedded in the rotating slot; The handle assembly (3) also includes a first spring (33); the first spring (33) is embedded in the second slot (311), and the two ends of the first spring (33) abut against the inner sidewall of the second slot (311); The end of the connecting rod (32) away from the rotating groove of the handle (31) is bent or folded to form a bend; a connecting post (322) is fixedly provided on the outer wall of the end of the connecting rod (32) away from the bend, and a locking post (323) is fixedly provided on one side of the connecting post (322); one end of the first spring (33) abuts against the inner wall of the second locking groove (311); the other end of the first spring (33) is sleeved on the locking post (323) and abuts against the connecting post (322), and the locking post (323) extends into the interior of the first spring (33).

5. The anti-panic descender according to claim 1, characterized in that: A protrusion is provided in the middle or adjacent area of ​​the connecting rod (32); the protrusion and the bend are provided on the same side of the connecting rod (32), and a first groove (321) is formed between the protrusion and the bend; the first groove (321) is linked to one end of the first wheel axle (88) that extends out of the outer side wall of the fixed side plate (2); The handle (31) has a connecting groove extending from the outside to the inside; the connecting groove, the second slot (311), and the rotating groove are located at the same end of the handle (31); one end of the handle shaft (35) passes through the connecting groove and is rotatably connected to the handle (31); the other end of the handle shaft (35) passes through the fixed side plate (2) and is rotatably connected to the fixed side plate (2). The handle assembly (3) also includes a handle torsion spring (36), which is sleeved on the outer periphery of the handle pivot (35) and positioned between the handle (31) and the fixed side plate (2).

6. The anti-panic descender according to claim 2, characterized in that: It also includes a second wheel axle; a third slot is provided on the inner side wall of the fixed side plate (2), and a sliding groove (21) is provided in the third slot; a wheel seat (81) is provided in the third slot, and the wheel seat (81) is rotatably connected to the fixed side plate (2) through the second wheel axle, and the wheel seat (81) is driven to slide in the third slot by the sliding of the first wheel axle (88) in the sliding groove (21).

7. The anti-panic descender according to claim 1, characterized in that: It also includes a friction block (9) and a switch assembly (10); the friction block (9) is installed between the fixed side plate (2) and the movable side plate (1); the friction block (9) has a second slot; the movable side plate (1) has a first insertion hole; the switch assembly (10) passes through the first insertion hole and the second slot in sequence and is slidably embedded in the second slot.

8. The anti-panic descender according to claim 7, characterized in that: The switch assembly (10) includes a button (101), a receiving seat (102), a crossbar (104), and a second spring (105). The receiving seat (102) is slidably embedded in the second slot. The top of the receiving seat (102) has a first through hole, and the bottom of the receiving seat (102) has a third through hole. Two second through holes (1021) are respectively opened through both sides of the receiving seat (102), and the two second through holes (1021) are arranged opposite to each other. The two ends of the crossbar (104) are respectively through the corresponding second through holes (1021) and are mounted in the first through hole. The lower end of the button (101) has a third groove (1011). The lower end of the button (101) is embedded in the first through hole, and the third groove (1011) slides around the outer periphery of the crossbar (104). The second spring (105) is embedded in the third through hole, and the other end of the second spring (105) abuts against the bottom of the second slot. The switch assembly (10) also includes a limiting member (103); a second limiting groove (1022) is provided on the outer peripheral side wall of the receiving seat (102); one end of the limiting member (103) is slidably embedded in the second limiting groove (1022), and the other end of the limiting member (103) passes through the side wall of the second slot in sequence and is installed and connected to the friction block (9).

9. The anti-panic descender according to claim 7, characterized in that: It also includes a hanging hole fixing block (11), which is located between the fixed side plate (2) and the movable side plate (1); the friction block (9) and the hanging hole fixing block (11) are respectively fixed on the side walls of the fixed side plate (2) on both sides of the wheel seat assembly (8); the friction block (9) and the hanging hole fixing block (11) are respectively provided with corresponding wire grooves on the outside for the rope to pass through.

10. The anti-panic descender according to claim 7, characterized in that: It also includes a movable friction block (5); the movable friction block (5) includes a body and a blocking block; one end of the body is installed and connected to the fixed side plate (2); the other end of the body is fixedly connected to the blocking block, and the blocking block is mounted on the outside of the friction block (9) through the body.

Images