CN217201405U

CN217201405U - Waterproof structure of winding drum

Info

Publication number: CN217201405U
Application number: CN202220363384.3U
Authority: CN
Inventors: 郭震
Original assignee: Shanghai Smart Control Co Ltd
Current assignee: Shanghai Smart Control Co Ltd
Priority date: 2022-02-22
Filing date: 2022-02-22
Publication date: 2022-08-16
Anticipated expiration: 2032-02-22

Abstract

The utility model belongs to the technical field of the cable drum technique and specifically relates to a waterproof construction of reel is related to, including the rotor of winding cable, the backup pad is installed to the open end of rotor, is provided with the sealing washer between rotor and the backup pad, and the mounting groove has been seted up towards one side of rotor to the backup pad, and one side that the rotor is close to the backup pad is provided with waterproof ring, and waterproof ring is the shirt rim structure, and the external diameter that waterproof ring is close to rotor one side is less than the external diameter that waterproof ring kept away from rotor one side, and waterproof ring is installed in the mounting groove. This application has improved cable drum's water-proof effects.

Description

Waterproof structure of winding drum

Technical Field

The application relates to the technical field of cable reels, in particular to a waterproof structure of a reel.

Background

The cable reel is a cable winding device for providing a power supply, a control power supply or a control signal for large-scale mobile equipment. The device is widely applied to heavy mechanical equipment under similar working conditions such as port portal cranes, container cranes, ship loaders and tower cranes.

When the cable drum is used for outdoor operation, the cable drum can meet extreme rainy and snowy weather, so that the protection level of the cable drum is higher. The cable drum includes the rotor of winding cable, and the inside of rotor has the cavity of installation drive element, and the backup pad is installed to rotor open-ended one end, and in the correlation technique, install the sealing washer in the junction of rotor and backup pad to realize cable drum's waterproof.

In view of the above-mentioned related art, the inventor thinks that the sealing washer needs to contact with the rotor when sealing, and after long-term use, the sealing washer can take place to damage, leads to the sealing washer to warp when the rotor rotates to influence water-proof effects.

SUMMERY OF THE UTILITY MODEL

In order to improve cable drum's water-proof effects, this application provides a waterproof construction of reel.

The application provides a waterproof construction of reel adopts following technical scheme:

the utility model provides a waterproof construction of reel, includes the rotor of winding cable, the backup pad is installed to the open end of rotor, the rotor with be provided with the sealing washer between the backup pad, the mounting groove has been seted up towards one side of rotor to the backup pad, the rotor is close to one side of backup pad is provided with waterproof ring, waterproof ring is the shirt rim structure, waterproof ring is close to the external diameter of rotor one side is less than the external diameter of rotor one side is kept away from to waterproof ring, waterproof ring install in the mounting groove.

Through adopting above-mentioned technical scheme, when cable drum during operation met bad weather such as rainy day, because one side that the backup pad is close to the mounting groove is equipped with the waterproof ring of shirt rim structure, and the cell wall of mounting groove covers in the outer wall of waterproof ring for inside the rainwater is difficult for entering into the rotor through waterproof ring, simultaneously, still be equipped with the sealing ring between rotor and the backup pad, also can play sealed effect, make cable drum have multiple water-proof effects, thereby cable drum's sealed water-proof effects has been improved.

Preferably, the sealing washer is V type sealing ring, the backup pad coaxial fixation has the collar, the collar is located the inside of rotor, V type sealing ring cover is located the outer wall of collar, just V type sealing ring is fixed in the mounting groove is kept away from the cell wall of rotor.

Through adopting above-mentioned technical scheme, the water-proof effects of V type sealing ring is better, and the collar plays the supporting effect to V type sealing ring, improves the sealed effect of V type sealing ring.

Preferably, the groove wall of the mounting groove is convexly provided with a limiting ring, and the V-shaped sealing ring is clamped on the inner ring of the limiting ring.

Through adopting above-mentioned technical scheme, the guide effect is formed to the installation of V type sealing ring to the spacing ring, guarantees the mounted position of V type sealing ring to guarantee the sealed effect of V type sealing ring.

Preferably, the V-shaped sealing ring comprises a first ring body, a second ring body and a third ring body which are connected integrally, the second ring body is fixed between the first ring body and the third ring body, the outer diameter of the first ring body and the outer diameter of the third ring body are larger than that of the second ring body, the inner ring sleeve of the second ring body is arranged on the mounting ring, the first ring body is clamped on the inner ring of the limiting ring, the third ring body is arranged in an inclined mode, and the outer diameter of one end, far away from the second ring body, of the third ring body is larger than that of the third ring body, and the outer diameter of the third ring body is close to that of the second ring body.

Through adopting above-mentioned technical scheme, the external diameter of first ring body and third ring body is greater than the external diameter of second ring body, and after a small amount of rainwater entered into the mounting groove, the rainwater entered into the second ring body between first ring body and the third ring body, and the third ring body can block that the rainwater enters into the rotor.

Preferably, the rotor with form the drainage clearance between the mounting groove, waterproof ring is close to the inner wall of mounting groove one side forms water drainage tank, water drainage tank's groove diameter is greater than the inner ring of rotor, just water drainage tank with the centre of a circle coincidence of second ring body.

Through adopting above-mentioned technical scheme, after the rainwater entered into the second ring body, the rainwater can fall into the water drainage tank along the second ring body in, the rainwater is followed the drainage clearance by the water drainage tank and is flowed to the rotor outside.

Preferably, the inner ring of the waterproof ring forms a diversion inclined plane, the diameter of one side of the diversion inclined plane close to the rotating body is smaller than the diameter of one side of the diversion inclined plane far away from the rotating body, and the diversion inclined plane is communicated with the drainage groove.

By adopting the technical scheme, part of rainwater can fall into the inner wall of the rotor after sliding along the second ring body, and the rainwater at the position can slide to the drainage groove along the diversion inclined plane, so that the drainage effect is improved.

Preferably, one side of the diversion inclined plane, which is close to the rotating body, is located on one side of the third ring body, which is far away from the second ring body.

Through adopting above-mentioned technical scheme for the rainwater falls into the water conservancy diversion inclined plane as far as after by the slip of V type sealing ring, guarantees the drainage effect of rainwater.

Preferably, the mounting groove is round platform form, the mounting groove is close to the diameter of rotor one side is greater than the mounting groove is kept away from the diameter of rotor one side.

Through adopting above-mentioned technical scheme, the mounting groove of round platform form makes the rainwater be difficult for getting into the mounting groove, and when the rainwater got into the mounting groove, the rainwater can be discharged to the outside along the cell wall of mounting groove, has further improved water-proof effects.

Preferably, the outer wall of the rotating body is uniformly provided with a plurality of winding grooves.

Through adopting above-mentioned technical scheme, the winding effect of cable on the rotor can be guaranteed in the wire winding groove.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the waterproof ring with the skirt edge structure enables rainwater to be difficult to enter the inside of the rotating body through the waterproof ring, and meanwhile, the sealing ring is arranged between the rotating body and the supporting plate, so that a sealing effect can be achieved, the cable drum has multiple waterproof effects, and the sealing and waterproof effects of the cable drum are improved;

2. make the rainwater receive the back that blocks of V type sealing ring through setting up water drainage tank and guide inclined plane, discharge to the rotor outside that can be timely.

Drawings

FIG. 1 is a schematic view showing the overall structure of the present embodiment;

FIG. 2 is a sectional view showing an internal structure of the present embodiment;

fig. 3 is an enlarged schematic view at a in fig. 2.

Reference numerals: 1. a rotating body; 2. a winding slot; 3. a support plate; 4. mounting grooves; 5. a mounting ring; 6. a rotating shaft; 7. a motor; 8. a waterproof ring; 9. a drainage gap; 10. a seal ring; 101. a V-shaped sealing ring; 1011. a first ring body; 1012. a second ring body; 1013. a third ring body; 11. a limiting ring; 12. a water discharge tank; 13. a diversion inclined plane.

Detailed Description

The present application is described in further detail below with reference to figures 1-3.

The embodiment of the application discloses a waterproof construction of reel.

Referring to fig. 1, a waterproof construction of reel, including rotor 1 of winding cable, a plurality of winding grooves 2 that are parallel to each other are seted up to the outer wall of rotor 1, when the winding cable, with cable winding to winding grooves 2, improved the winding effect of cable.

Referring to fig. 1 and 2, a supporting plate 3 fixedly connected with a crane and other working equipment is installed at an opening end of a rotor 1, a circular truncated cone-shaped installation groove 4 is formed in one side, close to the supporting plate 3, of the rotor 1, the rotor 1 is located inside the installation groove 4, and the diameter of one side, close to the rotor 1, of the installation groove 4 is larger than the diameter of one side, far away from the rotor 1, of the installation groove 4. The both sides coaxial coupling that backup pad 3 is close to or keeps away from rotor 1 has collar 5, and one side that collar 5 is close to rotor 1 is located rotor 1's inside, and axis of rotation 6 is installed in the inside coaxial rotation of collar 5, and axis of rotation 6 is coaxial fixed with rotor 1. In the use process, the inside of the mounting ring 5 is provided with a motor 7 which drives the rotating shaft 6 to rotate, so that the rotating work of the rotating body 1 is realized.

Referring to fig. 2 and 3, a waterproof ring 8 with a skirt structure is integrally connected to one side of the rotor 1 close to the support plate 3, the outer diameter of the side of the waterproof ring 8 close to the rotor 1 is smaller than the outer diameter of the side of the waterproof ring 8 away from the rotor 1, the waterproof ring 8 is located inside the mounting groove 4, and a small drainage gap 9 is formed between the waterproof ring 8 and the peripheral wall of the mounting groove 4, so that the rotor 1 does not wear the wall of the mounting groove 4 in the rotating process. When the cable drum works in severe weather such as rainy days, the waterproof ring 8 with the skirt structure has a blocking effect on rainwater, so that the rainwater is not easy to enter the rotor 1.

In order to further improve the waterproof effect, the mounting ring 5 on the side close to the rotor 1 is sleeved with a sealing ring 10. In the present embodiment, the seal ring 10 is a V-shaped seal ring 101, and the V-shaped seal ring 101 is located inside the rotor 1. V type sealing ring 101 supports tightly in the cell wall of mounting groove 4, and the cell wall of mounting groove 4 is coaxial to be fixed with spacing ring 11, and V type sealing ring 101's outer loop supports tightly in spacing ring 11's inner ring, has improved V type sealing ring 101's installation effect, guarantees V type sealing ring 101's water-proof effects.

The V-shaped seal ring 101 includes a first ring body 1011, a second ring body 1012, and a third ring body 1013 that are integrally connected, the second ring body 1012 is located between the first ring body 1011 and the third ring body 1013, and the outer diameters of the first ring body 1011 and the third ring body 1013 are larger than the outer diameter of the second ring body 1012, so that the V-shaped seal ring 101 forms a V-shaped groove at the position of the second ring body 1012. The outer peripheral wall of the first ring body 1011 abuts against the limiting ring 11, so that the V-shaped sealing ring 101 is positioned and installed; the third rings 1013 are canted relative to the second ring 1012, and the outer diameter of the third rings 1013 away from the second ring 1012 is greater than the outer diameter of the third rings 1013 near the second ring 1012. When a small amount of rainwater enters the rotating body 1, the rainwater can enter the position of the second ring body 1012, the third ring body 1013 forms a blocking effect on the rainwater, the rainwater flows into the inner wall of the rotating body 1 close to the drainage gap 9 along the peripheral wall of the second ring body 1012, and the rainwater can be discharged to the outside along the drainage gap 9.

Referring to fig. 3, in order to improve the drainage effect, the inner wall of the waterproof ring 8 near the drainage gap 9 forms a drainage groove 12, the diameter of the drainage groove 12 is larger than the inner diameter of the rotor 1, and the center of the drainage groove 12 coincides with the center of the second ring 1012, so that the rainwater can fall into the drainage groove 12 with a lower position after receiving the blocking effect of the V-shaped sealing ring 101. The inner wall of the waterproof ring 8 close to the drainage groove 12 forms an inclined diversion inclined plane 13, and the aperture of one side of the diversion inclined plane 13 close to the drainage groove 12 is larger than the aperture of one side of the diversion inclined plane 13 far away from the drainage groove 12. One side of the diversion inclined plane 13, which is far away from the drainage groove 12, is located on one side of the third ring body 1013, which is far away from the second ring body 1012, so that rainwater can fall into the diversion inclined plane 13 and the drainage groove 12 after being blocked by the V-shaped sealing ring 101, and the rainwater flows into the drainage gap 9 along the diversion inclined plane 13, so that the rainwater is drained to the outside of the rotating body 1.

The implementation principle of the waterproof structure of the winding drum in the embodiment of the application is as follows: when the cable drum is in bad weather such as rainy day, waterproof ring 8 of shirt rim structure blocks the rainwater for the rainwater is difficult for getting into the inside of rotor 1, after a small amount of rainwater enters into rotor 1 inside, V type sealing ring 101 plays the second waterproof effect to the rainwater, the rainwater receives V type sealing ring 101 block the back, the rainwater landing is to the lower water conservancy diversion inclined plane 13 in position and water drainage tank 12, the rainwater flows in to drainage clearance 9 along water conservancy diversion inclined plane 13, and flow rotor 1 along the round platform inclined plane of mounting groove 4.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a waterproof construction of reel, includes rotor (1) of winding cable, backup pad (3) are installed to the open end of rotor (1), rotor (1) with be provided with sealing washer (10), its characterized in that between backup pad (3): mounting groove (4) have been seted up towards one side of rotor (1) in backup pad (3), rotor (1) is close to one side of backup pad (3) is provided with waterproof ring (8), waterproof ring (8) are the shirt rim structure, waterproof ring (8) are close to the external diameter of rotor (1) one side is less than the external diameter of rotor (1) one side is kept away from in waterproof ring (8), waterproof ring (8) install in mounting groove (4).

2. The waterproof structure of a roll as claimed in claim 1, wherein: sealing washer (10) are V type sealing ring (101), backup pad (3) coaxial fixation has collar (5), collar (5) are located the inside of rotor (1), V type sealing ring (101) cover is located the outer wall of collar (5), just V type sealing ring (101) are fixed in mounting groove (4) are kept away from the cell wall of rotor (1).

3. The waterproof structure of a roll as claimed in claim 2, wherein: the groove wall protrusion of mounting groove (4) is provided with spacing ring (11), V type sealing ring (101) joint in the inner ring of spacing ring (11).

4. A waterproof structure of a roll as claimed in claim 3, wherein: v type sealing ring (101) are including first ring body (1011), second ring body (1012) and third ring body (1013) of body coupling, second ring body (1012) are fixed in first ring body (1011) with between third ring body (1013), just first ring body (1011) with the external diameter of third ring body (1013) is greater than the external diameter of second ring body (1012), the interior snare of second ring body (1012) is located installing ring (5), first ring body (1011) joint in the inner ring of spacing ring (11), third ring body (1013) slope sets up, just third ring body (1013) are kept away from the one end external diameter of second ring body (1012) is greater than third ring body (1013) are close to the external diameter of second ring body (1012).

5. The waterproof structure of a roll as claimed in claim 4, wherein: rotor (1) with form drainage clearance (9) between mounting groove (4), waterproof ring (8) are close to the inner wall of mounting groove (4) one side forms water drainage tank (12), water drainage tank (12) the groove footpath is greater than the inner ring of rotor (1), just water drainage tank (12) with the centre of a circle coincidence of second ring body (1012).

6. The waterproof structure of a roll as claimed in claim 5, wherein: the inner ring of waterproof ring (8) forms water conservancy diversion inclined plane (13), water conservancy diversion inclined plane (13) are close to one side diameter of rotor (1) is less than water conservancy diversion inclined plane (13) are kept away from the diameter of rotor (1) one side, water conservancy diversion inclined plane (13) with water drainage tank (12) are linked together.

7. The waterproof structure of a roll as claimed in claim 6, wherein: one side of the flow guide inclined plane (13) close to the rotating body (1) is positioned on one side, far away from the second ring body (1012), of the third ring body (1013).

8. The waterproof structure of a roll as claimed in claim 1, wherein: mounting groove (4) are the round platform form, mounting groove (4) are close to the diameter of rotor (1) one side is greater than mounting groove (4) are kept away from the diameter of rotor (1) one side.

9. The waterproof structure of a roll as claimed in claim 1, wherein: the outer wall of the rotating body (1) is uniformly provided with a plurality of wire winding grooves (2).