Flat ribbon descender

Abstract

The utility model provides a kind of flat band downer, including connecting frame, cam installed on connecting frame and control the knob of falling, the cam is equipped with first pass through the channel for flat band and the second pass through the channel located in the side of first pass through the channel, the cam is equipped with the transition mouth of the communication first pass through the channel and second pass through the channel relative to one end of knob, the connecting frame bottom end is connected with pivot joint axle, pivot joint axle is pivoted with connecting block, the connecting block is equipped with with cam cooperation to flat band generates extrusion, realize the stop block of downer stop, the knob is connected in the end opposite stop block in connecting frame by fixed shaft, the knob is swung relative to pivot joint axle by connecting frame control cam, realize downer falls.The utility model is convenient for falling and can be applied to flat band.

Description

Technical Field

[0001] This utility model relates to the field of descender technology, specifically to a flat strip descender. Background Technology

[0002] A descender is a safety device used in sports (adventure training, mountaineering, extreme sports, outdoor activities, etc.) and rescue operations to protect personnel (and sometimes to protect trapped individuals). Most existing descenders are used with ropes and are not suitable for webbing or slings. Furthermore, the high coefficient of friction between the rope and the two cams hinders descent. Utility Model Content

[0003] Based on the above problems, the purpose of this utility model is to provide a descender that is easy to descend and applicable to slacklines.

[0004] To address the above problems, the following technical solution is provided: a slack strip descender, comprising a connecting frame, a cam mounted on the connecting frame, and a toggle block for controlling descent. The cam has a first belt passage for the slack strip to pass through and a second belt passage located on one side of the first belt passage. The end of the cam opposite the toggle block has a transition port connecting the first belt passage and the second belt passage. The bottom end of the connecting frame is connected to a pivot shaft, and a connecting block is pivotally connected to the pivot shaft. The connecting block has a stop block that cooperates with the cam to compress the slack strip and stop the descender. The toggle block is connected to the end of the connecting frame opposite the stop block via a fixed shaft. The toggle block controls the cam to swing relative to the pivot shaft through the connecting frame, thereby lowering the descender.

[0005] In the above structure, the flat belt enters the second belt passage through the top of the cam, passes through the second belt passage, and then enters the first belt passage through the transition port. It then exits downwards from the top of the cam and connects to the connector on the user's body via a connecting block. The user drives the actuating block to swing downwards, causing the cam and connecting frame to swing relative to the pivot shaft, thus separating the cam from the stop block and allowing the flat belt to descend. When stopping is needed, the actuating block is controlled to swing the connecting frame and cam relative to the pivot shaft back to their original positions, causing the transition port of the cam to engage with the stop block to clamp the flat belt, achieving a stop. The transition port facilitates the flat belt's entry from the second belt passage into the first belt passage, reducing friction between the flat belt and the cam. Furthermore, placing the second belt passage on one side of the first belt passage avoids friction between the two cams and the flat belt, preventing damage, compared to existing methods that use two cams to limit the flat belt. The flat belt is also smoother than a rope, improving the reliability of this invention. By incorporating a stop block, which engages with the cam to clamp the flat strip, the reliability of this invention is improved. The inclusion of a connecting block facilitates connection, enhancing the ease of connection.

[0006] The present invention is further configured such that the connecting frame includes a first fixing plate, a second fixing plate disposed opposite to the first fixing plate, and a fixing rod connecting the first fixing plate and the second fixing plate, wherein the fixing rod is located above the cam.

[0007] In the above structure, the installation of the cam and connecting block is facilitated by the first and second fixing plates, thereby improving the ease of assembly of this utility model. The fixing rod connects the first and second fixing plates, improving the stability of the connecting frame and limiting the position of the flat strip above the cam, thus enhancing the structural strength and reliability of this utility model.

[0008] The present invention is further configured such that the actuating block includes a block body, lugs located at both ends of the block body, and a driving block that protrudes upward relative to the block body. The lugs at both ends of the block body are clamped on both sides of the connecting frame, and positioning holes for fixing the shaft to pass through are provided on the lugs.

[0009] In the above structure, the lugs facilitate the connection between the actuating block and the connecting frame, and improve the connection strength between the actuating block and the connecting frame, thereby enhancing the reliability of this invention. The drive block facilitates user operation, improving the ease of use of this invention. The positioning hole facilitates the passage of the fixing shaft and its riveting onto the connecting frame, further enhancing the reliability of this invention.

[0010] The present invention is further configured such that the outer sides of both the first fixing plate and the second fixing plate are provided with receiving blocks that abut against the lugs, and the receiving blocks are located in the direction in which the toggle block swings to unlock.

[0011] In the above structure, by setting a receiving block, the connecting frame can be easily controlled by the actuating block to swing, and the force of the actuating block swinging downward can be borne, thereby improving the reliability of this utility model.

[0012] The present invention is further configured such that a positioning rod connected to a connecting frame is inserted into one end of the cam relative to the toggle block. The cam includes a first guide wheel and a second guide wheel located on one side of the first guide wheel. The first belt passage is opened on the outer edge of the first guide wheel. A belt guide groove is opened on the second guide wheel. The belt guide groove cooperates with the outer wall of the first guide wheel to form the second belt passage. The first guide wheel and the second guide wheel are connected by a fixing pin.

[0013] In the above structure, the connection of the flat belt is facilitated by setting the first guide wheel and the second guide wheel, and the production and assembly of the cam are also facilitated, thereby improving the ease of use of this utility model. The fixing pin increases the connection strength between the first guide wheel and the second guide wheel, thereby improving the reliability of this utility model.

[0014] The present invention is further provided that a stop groove is provided on the stop block at the end facing the transition port.

[0015] By adopting the above structure, the friction between the stop block and the flat strip can be increased during stopping, thereby improving the reliability of the stop of this utility model.

[0016] The present invention is further provided that the connecting block has a connecting hole.

[0017] The above structure facilitates the connection of the connecting block to the connector on the user's body, improving the ease of connection.

[0018] The present invention is further configured such that the bottom end of the connecting block is rounded.

[0019] The above structure improves the user's grip comfort when connecting the blocks. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of this utility model.

[0021] Figure 2 This is a schematic diagram of the disassembled structure of this utility model.

[0022] Figure 3 This is a schematic diagram of the cam structure in this utility model.

[0023] Figure 4 This is a schematic diagram of the structure of this utility model in conjunction with a flat strip. Figure 1 .

[0024] Figure 5 for Figure 4 A cross-sectional structural diagram.

[0025] Figure 6 This is a schematic diagram of the structure of this utility model in conjunction with a flat strip. Figure 2 .

[0026] The labels in the diagram mean: 1-Connecting frame; 2-Cam; 3-Actuating block; 21-First belt feed channel; 22-Second belt feed channel; 23-Transition port; 4-Pivot shaft; 5-Connecting block; 51-Stop block; 01-Fixed shaft;

[0027] 11-First fixing plate; 12-Second fixing plate; 13-Fixing rod; 31-Block; 32-Lug; 33-Drive block; 321-Positioning hole; 14-Receiving block; 6-Positioning rod; 24-First guide wheel; 25-Second guide wheel; 251-Guide groove; 7-Fixing pin; 511-Stop groove; 52-Connecting hole; 02-Flat belt. Detailed Implementation

[0028] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are used to illustrate this utility model, but are not intended to limit its scope.

[0029] It should be noted that all directional indicators (such as up, down, left, right, front, back, back, etc.) in the embodiments of this utility model are only used to explain the relative positional relationship and movement of each component in a certain specific posture (as shown in the figure). If the specific posture changes, the directional indicator will also change accordingly.

[0030] like Figures 1 to 6 The illustrated flat belt descender includes a connecting frame 1, a cam 2 mounted on the connecting frame 1, and a toggle block 3 for controlling descent. The cam 2 has a first belt passage 21 for the flat belt 02 to pass through and a second belt passage 22 located on one side of the first belt passage 21. The end of the cam 2 opposite to the toggle block 3 has a transition port 23 connecting the first belt passage 21 and the second belt passage 22. The bottom end of the connecting frame 1 is connected to a pivot shaft 4, and a connecting block 5 is pivotally connected to the pivot shaft 4. The connecting block 5 has a stop block 51 that cooperates with the cam 2 to compress the flat belt 02 and stop the descender. The toggle block 3 is connected to the end of the connecting frame 1 opposite to the stop block 51 through a fixed shaft 01. The toggle block 3 controls the cam 2 to swing relative to the pivot shaft 4 through the connecting frame 1, thereby lowering the descender.

[0031] In the above structure, the flat belt 02 enters the second belt passage 22 above the cam 2, passes through the second belt passage 22, passes through the transition port 23, enters the first belt passage 21, and then exits downward from above the cam 2. It is connected to the connector on the user's body through the connecting block 5. The user drives the toggle block 3 to swing downward, and the cam 2 and the connecting frame 1 are linked and swing relative to the pivot shaft 4, thereby separating the cam 2 from the stop block 51, realizing the descent of the flat belt 02 relative to the cam 2. When it is necessary to stop, the toggle block 3 is controlled to drive the connecting frame 1 and the cam 2 to swing back relative to the pivot shaft 4, so that the transition port 23 of the cam 2 cooperates with the stop block 51 to abut and clamp the flat belt 02, thereby stopping it. By providing a transition opening 23, the flat strip 02 can easily enter the first tape passage 21 from the second tape passage 22, thereby reducing the friction between the flat strip 02 and the cam 2. Furthermore, by placing the second tape passage 22 on one side of the first tape passage 21, compared to existing methods where two cams 2 limit the flat strip 02, this invention avoids friction between the two cams 2 and the flat strip 02, preventing damage. The flat strip 02 is also smoother than a rope, thus improving the reliability of this invention. The stop block 51, which cooperates with the cam 2, clamps the flat strip 02, further enhancing the reliability of this invention. The connecting block 5 facilitates connection, improving the ease of connection.

[0032] In this embodiment, the connecting frame 1 includes a first fixing plate 11, a second fixing plate 12 disposed opposite to the first fixing plate 11, and a fixing rod 13 connecting the first fixing plate 11 and the second fixing plate 12. The fixing rod 13 is located above the cam 2.

[0033] In the above structure, the installation of the cam 2 and the connecting block 5 is facilitated by the first fixing plate 11 and the second fixing plate 12, thereby improving the ease of assembly of this utility model. The fixing rod 13 connects the first fixing plate 11 and the second fixing plate 12, improving the stability of the connecting frame 1 and limiting the flat strip 02 above the cam 2, thereby improving the structural strength and reliability of this utility model.

[0034] In this embodiment, the actuating block 3 includes a block body 31, lugs 32 located at both ends of the block body 31, and a driving block 33 that protrudes upward relative to the block body 31. The lugs 32 at both ends of the block body 31 are clamped on both sides of the connecting frame 1, and the lugs 32 are provided with positioning holes 321 for fixing the shaft 01 to pass through.

[0035] In the above structure, the lug 32 facilitates the connection between the actuating block 3 and the connecting frame 1, and improves the connection strength between the actuating block 3 and the connecting frame 1, thereby enhancing the reliability of this invention. The drive block 33 facilitates user operation, thus improving the ease of operation. The positioning hole 321 facilitates the passage of the fixing shaft 01 and its riveting onto the connecting frame 1, further enhancing the reliability of this invention.

[0036] In this embodiment, both the first fixing plate 11 and the second fixing plate 12 are provided with receiving blocks 14 on their outer sides that abut against the lug 32. The receiving blocks 14 are located in the direction in which the toggle block 3 swings to unlock.

[0037] In the above structure, by setting the receiving block 14, it is easy for the actuating block 3 to control the swing of the connecting frame 1, and it can bear the downward swing force of the actuating block 3, thereby improving the reliability of this utility model.

[0038] In this embodiment, a positioning rod 6 connected to the connecting frame 1 is inserted into one end of the cam 2 relative to the toggle block 3. The cam 2 includes a first guide wheel 24 and a second guide wheel 25 located on one side of the first guide wheel 24. The first belt passage 21 is opened on the outer edge of the first guide wheel 24. The second guide wheel 25 is provided with a belt guide groove 251. The belt guide groove 251 cooperates with the outer wall of the first guide wheel 24 to form the second belt passage 22. The first guide wheel 24 and the second guide wheel 25 are connected by a fixing pin 7.

[0039] In the above structure, the connection of the flat belt 02 is facilitated by setting the first guide wheel 24 and the second guide wheel 25, and the production and assembly of the cam 2 are also facilitated, thereby improving the ease of use of this utility model. The connection strength between the first guide wheel 24 and the second guide wheel 25 is improved by setting the fixing pin 7, thereby improving the reliability of this utility model.

[0040] In this embodiment, a stop groove 511 is provided on the stop block 51 at one end facing the transition port 23.

[0041] By adopting the above structure, the friction between the stop block 51 and the flat strip 02 can be increased when stopping, thereby improving the reliability of the stop of this utility model.

[0042] In this embodiment, the connecting block 5 is provided with a connecting hole 52.

[0043] The above structure facilitates the connection of the connecting block 5 to the connector on the user's body, improving the convenience of connection.

[0044] In this embodiment, the bottom end of the connecting block 5 is rounded.

[0045] The above structure improves the user's grip comfort when connecting the connecting block 5.

[0046] The above description is only a preferred embodiment of the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model. These improvements and modifications assumed above should also be considered within the protection scope of the present utility model.

Claims

1. A flat belt descender, comprising a connecting frame, a cam mounted on the connecting frame, and an actuating block for controlling descent, characterized in that: The cam has a first belt passage for the flat belt to pass through and a second belt passage located on one side of the first belt passage. The end of the cam opposite the actuating block has a transition port connecting the first belt passage and the second belt passage. The bottom end of the connecting frame is connected to a pivot shaft, and a connecting block is pivotally connected to the pivot shaft. The connecting block has a stop block that cooperates with the cam to squeeze the flat belt and stop the lowering device. The actuating block is connected to the end of the connecting frame opposite the stop block through a fixed shaft. The actuating block controls the cam to swing relative to the pivot shaft through the connecting frame, so as to lower the lowering device.

2. The flat belt descender according to claim 1, characterized in that: The connecting frame includes a first fixing plate, a second fixing plate disposed opposite to the first fixing plate, and a fixing rod connecting the first fixing plate and the second fixing plate, the fixing rod being located above the cam.

3. A flat belt descender according to claim 2, characterized in that: The actuating block includes a block body, lugs located at both ends of the block body, and a driving block that protrudes upward relative to the block body. The lugs at both ends of the block body are clamped on both sides of the connecting frame, and positioning holes for fixing the shaft to pass through are provided on the lugs.

4. A flat belt descender according to claim 3, characterized in that: Both the first fixing plate and the second fixing plate have receiving blocks on their outer sides that abut against the lugs, and the receiving blocks are located in the direction in which the toggle block swings to unlock.

5. A flat belt descender according to claim 2, characterized in that: The cam has a positioning rod connected to the connecting frame inserted at one end relative to the toggle block. The cam includes a first guide wheel and a second guide wheel located on one side of the first guide wheel. The first belt passage is opened on the outer edge of the first guide wheel. The second guide wheel has a belt guide groove. The belt guide groove cooperates with the outer wall of the first guide wheel to form the second belt passage. The first guide wheel and the second guide wheel are connected by a fixing pin.

6. A slatted descender according to claim 1, characterized in that: The stop block has a stop groove at the end facing the transition port.

7. A flat belt descender according to claim 6, characterized in that: The connecting block has a connecting hole.

8. A flat belt descender according to claim 7, characterized in that: The bottom of the connecting block is rounded.

Images