Tool slipping-out-of-hand protection assembly

Abstract

The utility model provides a tool release protection assembly. The tool release protection assembly comprises a take-up device, an anti-release rope, a first connecting part and a second connecting part, the take-up device comprises a shell, a fixing shaft is arranged in the shell, the outer side of the fixing shaft is sleeved with a rolling wheel and a rolling spring, the first end of the anti-disengaging rope is fixedly connected with the rolling wheel and stored in a containing groove in the rolling wheel, and the two ends of the rolling spring are connected with the fixing shaft and the rolling wheel respectively. The first connecting part is connected with the second end of the anti-falling rope and is used for locking and connecting the tool; the second connecting part is connected with the shell and used for preventing the take-up device from falling, and through the arrangement of the take-up device, on one hand, the winding problem caused by excessive exposure of the anti-falling rope during working can be effectively avoided; and on the other hand, after the tool is released from the hand, damping force is output under the action of elastic force stored by the coil spring, and the problem that the tool falls to hurt people or damage equipment can be effectively avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of overhaul operation auxiliary tool, especially relates to a tool hand-off protection assembly. BACKGROUND

[0002] The routine maintenance and overhaul of the generator often need to be carried out in narrow and difficult-to-reach space, such as internal overhaul of the generator, bearing bush removal, bearing bush temperature sensor removal and the like. Due to the narrow space, once the tool is dropped by hand, not only the tool will be damaged, but also the equipment, personnel or other articles below will be seriously damaged, and even the whole operation process will be interrupted, the maintenance cost and time will be increased. SUMMARY

[0003] The utility model aims at providing a tool hand-off protection assembly to solve the technical problem of safety risk caused by hand-off of the tool in the prior art. In order to realize the above technical features, the utility model is realized as follows:

[0004] A tool hand-off protection assembly, comprising a take-up device, an anti-dropping rope, a first connecting part and a second connecting part;

[0005] The take-up device comprises a shell, a fixed shaft is arranged in the shell, a winding wheel and a winding spring are sleeved on the outer side of the fixed shaft, the first end of the anti-dropping rope is fixedly connected with the winding wheel and is accommodated in a containing groove on the winding wheel, and the two ends of the winding spring are connected with the fixed shaft and the winding wheel respectively;

[0006] The first connecting part is connected with the second end of the anti-dropping rope and is used for locking and connecting the tool;

[0007] The second connecting part is connected with the shell and is used for preventing the take-up device from falling.

[0008] The first connecting part comprises a connecting ring connected with the second end of the anti-dropping rope, a fixing ring is installed on the connecting ring, a fastening bolt is installed on the side wall of the fixing ring, the screw rod of the fastening bolt extends into the annular cavity of the fixing ring, a pressing sheet is arranged in the annular cavity, and the pressing sheet is connected with the screw rod end of the fastening bolt.

[0009] The first connecting part comprises a connecting ring connected with the second end of the anti-dropping rope, and a first carabiner 3f is installed on the connecting ring.

[0010] The first connecting part comprises a connecting ring connected with the second end of the anti-off rope, a fixing ring is mounted on the connecting ring, a fastening bolt is mounted on the side wall of the fixing ring, the screw rod of the fastening bolt extends into a ring cavity of the fixing ring, a pressing plate is arranged in the ring cavity and connected with the end of the screw rod of the fastening bolt, and a first hanging buckle is further mounted on the connecting ring.

[0011] The second connecting part is an elastic bracelet or a second hanging buckle.

[0012] A locking mechanism is mounted on the shell, the locking mechanism comprises a main body connected with the shell at one end, a threaded section connected with a locking end cover is arranged at the other end of the main body, a plurality of tooth-shaped parts in circular array are arranged at the end of the threaded section, the inner side end of the locking end cover is in a concave spherical surface structure, the end of the tooth-shaped part abuts against the spherical surface structure, the second end of the anti-off rope is led out from the shell and sequentially passes through the center hole of the main body and the center hole of the locking end cover and then is connected with the first connecting part.

[0013] The end of the tooth-shaped part is a convex spherical surface structure matched with the inner side end of the locking end cover.

[0014] The utility model has the following beneficial effects:

[0015] 1. Through the arrangement of the take-up device, on the one hand, the winding problem caused by too much exposure of the anti-off rope during work can be effectively avoided; on the other hand, after the tool is dropped, the output damping force under the action of the stored elastic force of the coil spring can effectively avoid the generation of the problem of tool falling and causing injury or damage to equipment.

[0016] 2. Through the arrangement of the first hanging buckle, the tool with an opening is quickly connected.

[0017] 3. Through the arrangement of the elastic bracelet or the second hanging buckle as the second connecting part, the elastic bracelet can be sleeved on the arm or connected with external objects quickly through the second hanging buckle, and the use is more convenient.

[0018] 4. Through the arrangement of the locking mechanism, the locking end cover is tightened, the concave spherical surface inside the locking end cover pushes the tooth-shaped part to retract, so that the anti-off rope is locked, and the length of the anti-off rope outside the shell is pre-controlled. BRIEF DESCRIPTION OF DRAWINGS

[0019] The utility model will be further described in connection with the drawings and examples.

[0020] Figure 1 The structure diagram of the tool drop protection assembly provided by the utility model embodiment is shown.

[0021] Figure 2The utility model provides a take -up device internal structure schematic diagram for the embodiment of the utility model;

[0022] Figure 3 The utility model provides a mounting position schematic diagram of the coil spring for the embodiment of the utility model;

[0023] Figure 4 The utility model provides a locking mechanism working state diagram for the embodiment of the utility model;

[0024] Figure 5 The utility model provides a locking mechanism main part's structure schematic diagram for the embodiment of the utility model;

[0025] Figure 6 The utility model provides a locking end cover's structure schematic diagram for the embodiment of the utility model;

[0026] In the drawing: take -up device 1, shell 1a, fixed shaft 1b, reel 1c, accommodating groove 1c1, coil spring 1d, anti -drop rope 2, first connecting part 3, connecting ring 3a, fixed ring 3b, fastening bolt 3c, annular cavity 3d, pressing piece 3e, first hanging buckle 3f, second connecting part 4, locking mechanism 5, main part 5a, threaded section 5a1, toothed portion 5a2, locking end cover 5b. DETAILED DESCRIPTION

[0027] The embodiment of the utility model is further explained below in combination with the drawings.

[0028] Refer to the drawings Figures 1-6 A tool hand -off protection assembly, including take -up device 1, anti -drop rope 2, first connecting part 3 and second connecting part 4, the take -up device 1 includes shell 1a, the fixed shaft 1b is equipped in the shell 1a, the fixed shaft 1b's outside sleeve reel 1c and coil spring 1d are installed, the first end of anti -drop rope 2 is fixedly connected with reel 1c and is received in accommodating groove 1c1 on reel 1c, and the both ends of coil spring 1d are connected with fixed shaft 1b and reel 1c respectively, first connecting part 3 is connected with the second end of anti -drop rope 2, for locking connection to tool, second connecting part 4 is connected with shell 1a, for preventing take -up device 1 from falling.

[0029] The tool hand -off protection assembly provided by the embodiment includes take -up device 1, the shell 1a of take -up device 1 is connected with second connecting part 4, and the shell 1a is connected with external fixed or not easy to fall off object through second connecting part 4, so that the falling of take -up device 1 can be prevented, the reel 1c is installed in the shell 1a of take -up device 1 through fixed shaft 1b, one end of anti -drop rope 2 is fixedly connected with reel 1c and is received in accommodating groove 1c1 on reel 1c, see Figure 2The second end of the anti-falling rope 2 is connected with the first connecting part 3, and the first connecting part 3 is connected with the tool, so that the tool, the anti-falling rope 2, the take-up device 1 and the second connecting part 4 form a combination, and the tool can be prevented from falling by connecting the second connecting part 4 with an external fixed or un-falling object; the two ends of the coil spring 1d installed in the shell 1a are connected with the fixed shaft 1b and the winding wheel 1c respectively, so that the elastic potential energy stored in the coil spring 1d can always keep one end of the anti-falling rope 2 in a state of being wound in the accommodating groove 1c1, and the anti-falling rope 2 can be pulled out under the action of an external force, so as to extend the working radius of the tool, and the coil spring 1d can output damping force under the action of the stored elastic force after the tool is dropped, so as to effectively prevent the tool from falling and causing injury or damage to equipment, and on the other hand, the take-up device 1 can effectively prevent the anti-falling rope 2 from being wound due to too much exposure during work. It should be noted that the second connecting part 4 can be a strap, a bracelet or a pendant, which can be reliably connected with an external object.

[0030] As an embodiment, in the embodiment, the first connecting part 3 comprises a connecting ring 3a connected with the second end of the anti-falling rope 2, a fixed ring 3b is installed on the connecting ring 3a, a fastening bolt 3c is installed on the side wall of the fixed ring 3b, the screw rod of the fastening bolt 3c extends into the annular cavity 3d of the fixed ring, a pressing piece 3e is arranged in the annular cavity 3d, and the pressing piece 3e is connected with the screw rod end of the fastening bolt 3c. During work, the handle of the tool is placed in the annular cavity 3d, and the fastening bolt 3c is tightened by hand, so that the tool handle can be locked by the pressing piece 3e.

[0031] As an embodiment, in the embodiment, the first connecting part 3 comprises a connecting ring 3a connected with the second end of the anti-falling rope 2, and a first pendant 3f is installed on the connecting ring 3a, so as to quickly connect the tool with an opening.

[0032] As an embodiment, in the embodiment, the first connecting part 3 comprises a connecting ring 3a connected with the second end of the anti-falling rope 2, a fixed ring 3b is installed on the connecting ring 3a, a fastening bolt 3c is installed on the side wall of the fixed ring 3b, the screw rod of the fastening bolt 3c extends into the annular cavity 3d of the fixed ring, a pressing piece 3e is arranged in the annular cavity 3d, and the pressing piece 3e is connected with the screw rod end of the fastening bolt 3c. The first pendant 3f is also installed on the connecting ring 3a, so as to connect tools with various structures.

[0033] As an embodiment, in the embodiment, the second connecting part 4 is an elastic bracelet or a second pendant, which can be sleeved on the arm during work or quickly connected with an external object through the second pendant.

[0034] As an implementation, in the embodiment, the shell 1a is provided with a locking mechanism 5, which comprises a main body 5a connected to the shell 1a at one end, and a threaded section 5a1 connected to a locking end cover 5b at the other end of the main body 5a. The end of the threaded section 5a1 is provided with a plurality of circular array distributed tooth-shaped portions 5a2. The inner side end of the locking end cover 5b is in a concave spherical surface structure, and the end of the tooth-shaped portion 5a2 abuts against the spherical surface structure. The second end of the anti-dropping rope 2 is led out from the shell 1a and connected to the first connecting portion 3 in sequence after passing through the center hole of the main body 5a and the center hole of the locking end cover 5b. The anti-dropping rope is made of flexible material with certain strength (such as rubber material with circular cross-section structure). By tightening the locking end cover 5b, the inner side concave spherical surface of the locking end cover 5b pushes the tooth-shaped portion 5a2 to retract inward, thereby locking the anti-dropping rope 2, and the length of the anti-dropping rope 2 outside the shell 1a can be pre-set and controlled.

[0035] Preferably, the end of the tooth-shaped portion 5a2 is a convex spherical surface structure matched with the inner side end of the locking end cover 5b, so as to facilitate the inward deformation of the tooth-shaped portion 5a2 and achieve the purpose of quick tightening.

Claims

1. A tool kickback guard assembly, characterized by: The utility model provides a winding device, prevent the rope (2), first connecting portion (3) and second connecting portion (4) are included; The winding device (1) includes a housing (1a) having a fixed shaft (1b) disposed therein, a winding wheel (1c) and a winding spring (1d) being sleeved on the outer side of the fixed shaft (1b), a first end of the prevent the rope (2) being fixedly connected with the winding wheel (1c) and being accommodated in a receiving groove (1c1) on the winding wheel (1c), both ends of the winding spring (1d) being connected with the fixed shaft (1b) and the winding wheel (1c) respectively; The first connecting portion (3) is connected with a second end of the prevent the rope (2) and is used for locking and connecting a tool. The second connecting portion (4) is connected with the housing (1a) and is used for preventing the winding device (1) from falling.

2. A tool kickback guard assembly according to claim 1, wherein: The first connecting portion (3) includes a connecting ring (3a) connected with the second end of the prevent the rope (2), a fixing ring (3b) being installed on the connecting ring (3a), a fastening bolt (3c) being installed on the side wall of the fixing ring (3b), a screw rod of the fastening bolt (3c) extending into a ring cavity (3d) of the fixing ring, a pressing sheet (3e) being disposed in the ring cavity (3d), and the pressing sheet (3e) being connected with the screw rod end of the fastening bolt (3c).

3. A tool kickback guard assembly according to claim 1, wherein: The first connecting portion (3) includes a connecting ring (3a) connected with the second end of the prevent the rope (2), and a first hanging buckle (3f) is installed on the connecting ring (3a).

4. A tool kickback guard assembly according to claim 1, wherein: The first connecting portion (3) includes a connecting ring (3a) connected with the second end of the prevent the rope (2), a fixing ring (3b) being installed on the connecting ring (3a), a fastening bolt (3c) being installed on the side wall of the fixing ring (3b), a screw rod of the fastening bolt (3c) extending into a ring cavity (3d) of the fixing ring, a pressing sheet (3e) being disposed in the ring cavity (3d), and the pressing sheet (3e) being connected with the screw rod end of the fastening bolt (3c), and a first hanging buckle (3f) is further installed on the connecting ring (3a).

5. A tool kickback guard assembly according to claim 1, wherein: The second connecting portion (4) is an elastic bracelet or a second hanging buckle.

6. A tool kickback guard assembly according to claim 1, wherein: A locking mechanism (5) is installed on the housing (1a), the locking mechanism (5) includes a main body (5a) connected with the housing (1a) at one end, a threaded section (5a1) being provided at the other end of the main body (5a) and connected with a locking end cover (5b), a plurality of tooth-shaped portions (5a2) being arranged in a circular array at the end of the threaded section (5a1), the inner side end of the locking end cover (5b) being in a concave spherical surface structure, the end of the tooth-shaped portion (5a2) being in abutment with the spherical surface structure, the second end of the prevent the rope (2) being led out from the housing (1a) and sequentially passing through the center hole of the main body (5a) and the center hole of the locking end cover (5b) and then being connected with the first connecting portion (3).

7. A tool kickback guard assembly according to claim 6, wherein: The end of the tooth-shaped portion (5a2) is a convex spherical surface structure matched with the inner side end of the locking end cover (5b).

Images