Waterproof cord reel

Abstract

We provide waterproof cord reels with enhanced waterproofing to prevent safety accidents such as electrical leakage and electric shock. [Solution] The waterproof cord reel includes a cord reel body 1, to which a base frame 3 is rotatably connected, and to which a socket is connected, on which side of the cord reel body a socket is connected, with an annular flange 1.1 protruding from the side connected to the socket, the socket includes a socket cover 4.1 for connecting to a plug, and a plurality of soft waterproof rings 4.2 are connected to the socket cover, and the cord reel body has a waterproof chamber recessed inside the annular flange. Waterproof structures are provided at each part of the waterproof chamber that communicates with the outside, providing an all-around waterproof effect, and if the circuit structure is provided inside the waterproof chamber there is no need to worry about short circuits or leakage current due to water exposure. This invention has a good waterproof effect, can avoid electric shock accidents and reduce safety hazards. The socket cover is provided with a soft waterproof ring with good elasticity, and when fitted with a plug inserted into the socket cover it can adhere tightly to the side wall of the plug, thereby providing a good seal and waterproof effect even during operation.

Description

Technical Field

[0001] The present invention relates to the technical field of cable reels, and particularly to waterproof cable reels.

Background Art

[0002] A cable reel is a cable reel that provides a function of winding an electric wire cable for mining enterprises, and is widely used in many industries such as oilfield mining, building construction, and road and bridge construction.

[0003] The socket on the conventional cable reel is usually exposed externally, and its waterproof performance is not good. When being transported or during operation, moisture may unexpectedly get on it, making it prone to leakage, and there may also be electric shock accidents, presenting a certain safety risk.

Summary of the Invention

Problems to be Solved by the Invention

[0004] In view of the current situation of the above prior art, the technical problem to be solved by the present invention is to provide a waterproof cable reel with enhanced waterproof performance so as to prevent the occurrence of safety accidents such as electric leakage and electric shock.

Means for Solving the Problems

[0005] The technical solution adopted by the present invention to solve the above technical problems is as follows. A waterproof cable reel, including a cable reel body, on which a cable is wound, a base frame is rotatably connected to one side of the cable reel body, a socket is connected to the other side of the cable reel body, an annular flange is protrudingly provided on the side surface of the cable reel body connected to the socket, the socket includes a socket cover for connecting to a plug, a flange connection groove for inserting the annular flange is provided on the socket cover, a sealing ring is provided in the flange connection groove, and the end of the annular flange abuts against the sealing ring. Multiple flexible waterproof rings are connected to the socket cover, and a waterproof cover is inserted into the end of each flexible waterproof ring away from the cord reel body. A wiring fixing frame is connected to the other side of the socket cover opposite to the waterproof cover. The cord reel body has a waterproof chamber recessed inside its annular flange to accommodate the wiring fixing frame, and a cable hole is provided at the bottom of the waterproof chamber for the cable to enter. A waterproof protective ring is inserted into the cable hole.

[0006] Furthermore, the soft waterproof ring includes an upper waterproof ring portion, a central waterproof ring portion, and a lower waterproof ring portion, wherein the upper waterproof ring portion is located on the side of the socket cover away from the cord reel body and is used for insertion of the waterproof cover, the lower waterproof ring portion is provided on the other side of the socket cover corresponding to the upper waterproof ring portion, and the central waterproof ring portion is drilled into the socket cover and both ends are connected to the upper waterproof ring portion and the lower waterproof ring portion, respectively.

[0007] Furthermore, an upper positioning groove is provided on the socket cover where it corresponds to the upper part of the waterproof ring, and a lower positioning groove is provided on the socket cover where it corresponds to the lower part of the waterproof ring. The upper and lower positioning grooves are in communication through a plurality of waterproof ring positioning holes, and the central part of the waterproof ring includes a plurality of connecting ribs, which are drilled in the waterproof ring positioning holes, with one end of each connecting rib connected to the upper part of the waterproof ring and the other end connected to the lower part of the waterproof ring.

[0008] Furthermore, the waterproof cover includes a cover plate portion, a plug portion, and a connecting portion. The cover plate portion covers the end of the upper part of the waterproof ring, the plug portion protrudes from the cover plate portion and is inserted into the upper part of the waterproof ring, and one end of the connecting portion is connected to the cover plate portion and the other end is connected to the socket cover.

[0009] Furthermore, the inner wall of the upper part of the waterproof ring is provided with an arc-shaped groove that extends around its entire circumference, and the side of this arc-shaped groove away from the cover plate portion narrows in diameter to form a step, and the outer wall of the plug portion is provided with an arc-shaped convex ring that extends around its entire circumference, and this arc-shaped convex ring is engaged in the arc-shaped groove and abuts against this step.

[0010] Furthermore, a plurality of jack sets for connecting a plug are provided inside the soft waterproof ring of the socket cover, the jack sets include a first jack and a second jack, the wiring fixing frame has a first copper strip and a second copper strip fixed to it which are electrically connected to the cable, a plurality of first contact clips are integrally connected to the first copper strip, these first contact clips are located on the side of the first jack closer to the wiring fixing frame, a plurality of second contact clips are integrally connected to the second copper strip, these second contact clips are located on the side of the second jack closer to the wiring fixing frame, and a temperature control protector is connected to the socket cover, the temperature control protector is electrically connected to the first copper strip, the second copper strip and the cable.

[0011] Furthermore, the waterproof protective ring is provided with a fitting hole for a cable to pass through and a fitting groove for the wall of the cable hole to engage with. A tapered sleeve ring is further connected to this fitting hole, with one end of the tapered sleeve ring connected to the end of the fitting hole away from the waterproof chamber, and the other end of the tapered sleeve ring extending into the inside of the fitting hole and gradually decreasing in diameter.

[0012] Furthermore, a cable plug is connected to the end of the cable, and an arc-shaped plug ring is provided protruding around the entire circumference of the outer wall of the cable plug, with the dimensions of this arc-shaped plug ring corresponding to the arc-shaped groove on the upper part of the waterproof ring.

[0013] Furthermore, the base frame is provided with a positioning shaft, and the cord reel body, on the side away from the socket, is provided with a base positioning hole into which the positioning shaft is inserted, and a pin is inserted along its radial direction on the side of the positioning shaft that is inserted into the base positioning hole.

[0014] Furthermore, the soft waterproof ring, waterproof cover, sealing ring, and waterproof protective ring are manufactured from rubber or silica gel. [Effects of the Invention]

[0015] Compared to conventional technology, the advantages of this invention are as follows: The opening of the waterproof chamber is sealed and waterproofed by the fitting of the annular flange, flange connection groove, and seal ring. A waterproof protective ring is inserted into this cable hole to achieve a sealing and waterproofing effect. This flexible waterproof ring and waterproof cover fit together to achieve a sealing and waterproofing effect, preventing liquid from entering the inside of the waterproof chamber from the socket cover. Therefore, a waterproof structure is provided at each part of the waterproof chamber that communicates with the outside, providing all-around waterproofing. If the circuit structure is provided inside this waterproof chamber, there is no need to worry about short circuits or leakage current due to water ingress. Thus, this invention has a good waterproofing effect, avoids electric shock accidents, and reduces safety risks.

[0016] Furthermore, in this invention, the socket cover is provided with a flexible waterproof ring having good elasticity. When the plug inserted into the socket cover is fitted, the flexible waterproof ring can adhere tightly to the side wall of the plug, thereby providing a good seal and waterproof effect during operation. When fitted with the plug, one end of the plug can adhere tightly to the socket cover, and all four sides are tightly sealed by the flexible waterproof ring. As a result, air is expelled from the connection point between the plug and the socket cover, and outside air cannot enter the connection point. External atmospheric pressure compresses the plug and the socket cover, making it difficult for the plug to fall out and easy for the user to use. [Brief explanation of the drawing]

[0017] [Figure 1] This is a schematic structural diagram of the present invention. [Figure 2] This is an exploded view of the present invention. [Figure 3] This is a longitudinal sectional view of the cord reel body of the present invention. [Figure 4] This is an enlarged view of part A in FIG. 3. [Figure 5] This is an exploded view of the socket of the present invention. [Figure 6] This is a schematic structural diagram of the socket cover of the present invention. [Figure 7] This is a schematic diagram of the fitting structure of the socket cover, the first copper bar, and the second copper bar of the present invention. [Figure 8] This is a schematic diagram of the fitting structure of the socket cover, the soft waterproof ring, and the wiring fixing frame of the present invention. [Figure 9] This is a longitudinal sectional view of the soft waterproof ring of the present invention. <0​​​​​​​​​​​​​​​​Furthermore, the terms "first" and "second" are used solely for purposes of explanation and should not be construed as indicating relative importance, implying, or implicitly specifying the number of technical features shown. Therefore, the features defined by "first" and "second" can include at least one such feature explicitly or implicitly. In the description of the present invention, the meaning of "plurality" means at least two, such as two, three, etc., unless specifically and clearly limited.

[0021] In the present invention, unless there are specific and clear regulations and limitations, terms such as "attachment", "connection", "connection", "fixation", etc. should be construed in a broad sense. For example, it may be a fixed connection, a detachable connection, or integrally formed. It may be a mechanical connection or an electrical connection. It may be directly connected, indirectly connected through an intermediate medium, or the communication inside two elements or the interaction relationship between two elements. A person skilled in the art can understand the specific meaning of the above terms in the present invention according to the specific situation.

[0022] In the present invention, unless there are specific and clear regulations and limitations, when the first when the first feature is "above" or "below" the second feature, the first feature and the second feature may be in direct contact or indirectly in contact through an intermediate medium. Also, when the first feature is "above", "upper side" and "upper surface" of the second feature, it means that the first feature is directly above or obliquely above the second feature, or simply that the horizontal height of the first feature is higher than that of the second feature. When the first feature is "below", "lower side" and "lower surface" of the second feature, it means that the first feature is directly below or obliquely below the second feature, or simply that the horizontal height of the first feature is lower than that of the second feature.

[0023] As shown in Figures 1-10, the waterproof cord reel includes a cord reel body 1 on which a cable 2 is wound, a base frame 3 is rotatably connected to one side of the cord reel body 1, a socket 4 is connected to the other side of the cord reel body 1, an annular flange 1.1 is provided on the side of the cord reel body 1 connected to the socket 4, the socket 4 includes a socket cover 4.1 for connection to a plug, the socket cover 4.1 is provided with a flange connection groove 4.1.1 for inserting the annular flange 1.1, a seal ring 5 is provided in the flange connection groove 4.1.1 and the end of the annular flange 1.1 abuts against the seal ring 5, the seal ring 5 fills the gap at the connection point between the flange connection groove 4.1.1 and the annular flange 1.1, and provides a good waterproof effect.

[0024] Multiple flexible waterproof rings 4.2 are connected to the socket cover 4.1, and a waterproof cover 4.3 is inserted into the end of each flexible waterproof ring 4.2 away from the cord reel body 1. A wiring fixing frame 4.4 is connected to the other side of the socket cover 4.1 opposite to the waterproof cover 4.3. The cord reel body 1 has a waterproof chamber 1.2 recessed inside its annular flange 1.1 to accommodate the wiring fixing frame 4.4, and a cable hole 1.3 is provided at the bottom of the waterproof chamber 1.2 for the cable 2 to enter. A waterproof protective ring 6 is inserted into the cable hole 1.3.

[0025] The opening of the waterproof chamber 1.2 is sealed and waterproofed by the fitting of the annular flange 1.1, flange connection groove 4.1.1, and seal ring 5. The cable hole 1.3 is sealed and waterproofed by inserting a waterproof protective ring 6. The flexible waterproof ring 4.2 and waterproof cover 4.3 are fitted together to provide a seal and waterproof effect, preventing liquid from entering the inside of the waterproof chamber 1.2 from the socket cover 4.1. Thus, waterproof structures are provided at each part of the waterproof chamber 1.2 that communicates with the outside, providing all-around waterproofing. If the circuit structure is provided inside the waterproof chamber 1.2, there is no need to worry about short circuits or leakage current due to water exposure. As a result, this invention has a good waterproofing effect, avoids electric shock accidents, and reduces safety hazards.

[0026] Furthermore, in this invention, the socket cover 4.1 is provided with a flexible waterproof ring 4.2 having good elasticity. When the plug inserted into the socket cover 4.1 is fitted, the flexible waterproof ring 4.2 can adhere tightly to the side wall of the plug, thereby providing a good seal and waterproof effect during operation. When fitted with the plug, one end of the plug can adhere tightly to the socket cover 4.1, and all four sides are tightly sealed by the flexible waterproof ring 4.2. As a result, air is expelled from the connection point between the plug and the socket cover 4.1, and outside air cannot enter the connection point. External atmospheric pressure compresses the plug and the socket cover 4.1, making it difficult for the plug to fall out and easy for the user to use.

[0027] Preferably, the soft waterproof ring 4.2 includes a waterproof ring upper portion 4.2.1, a waterproof ring central portion 4.2.2, and a waterproof ring lower portion 4.2.3, wherein the waterproof ring upper portion 4.2.1 is located on the side of the socket cover 4.1 away from the cord reel body 1 and is used for insertion of the waterproof cover 4.3, the waterproof ring lower portion 4.2.3 is provided on the other side of the socket cover 4.1 corresponding to the waterproof ring upper portion 4.2.1, and the waterproof ring central portion 4.2.2 is drilled into the socket cover 4.1 and both ends are connected to the waterproof ring upper portion 4.2.1 and the waterproof ring lower portion 4.2.3, respectively. This structure causes the socket cover 4.1 to be sandwiched between the waterproof ring upper portion 4.2.1 and the waterproof ring lower portion 4.2.3, thereby fixing the soft waterproof ring 4.2 and the socket cover 4.1.

[0028] Preferably, an upper positioning groove 4.1.2 is provided on the socket cover 4.1 where it corresponds to the upper part 4.2.1 of the waterproof ring, and a lower positioning groove 4.1.4 is provided on the socket cover 4.1 where it corresponds to the lower part 4.2.3 of the waterproof ring, and the upper positioning groove 4.1.2 and the lower positioning groove 4.1.4 are in communication with each other through a plurality of waterproof ring positioning holes 4.1.3, and the central part 4.2.2 of the waterproof ring includes a plurality of connecting ribs 4.2.2.1, the connecting ribs 4.2.2.1 are drilled in the waterproof ring positioning holes 4.1.3, one end of which is connected to the upper part 4.2.1 of the waterproof ring, and the other end of which is connected to the lower part 4.2.3 of the waterproof ring. The upper positioning groove 4.1.2 is provided to position the upper part 4.2.1 of the waterproof ring, the lower positioning groove 4.1.4 is provided to position the lower part 4.2.3 of the waterproof ring, and the connecting rib 4.2.2.1 connects the upper part 4.2.1 and the lower part 4.2.3 of the waterproof ring, and is also connected to the waterproof ring positioning hole 4.1.3, thereby further positioning the flexible waterproof ring 4.2. By providing a multi-positioning structure, it is ensured that the flexible waterproof ring 4.2 is securely fixed to the socket cover 4.1.

[0029] Preferably, the waterproof cover 4.3 includes a cover plate portion 4.3.1, a plug portion 4.3.2, and a connecting portion 4.3.3, wherein the cover plate portion 4.3.1 covers the end of the upper part 4.2.1 of the waterproof ring, the plug portion 4.3.2 is convex to the cover plate portion 4.3.1 and inserted into the upper part 4.2.1 of the waterproof ring, and one end of the connecting portion 4.3.3 is connected to the cover plate portion 4.3.1 and the other end is connected to the socket cover 4.1. The cover plate portion 4.3.1 is provided to cover the end of the upper part 4.2.1 of the waterproof ring, and the plug portion 4.3.2 is provided to be inserted into the upper part 4.2.1 of the waterproof ring, thereby forming two waterproof structures to provide a better waterproof effect when connecting the soft waterproof ring 4.2 and the waterproof cover 4.3. By providing this connecting portion 4.3.3 to connect the cover plate portion 4.3.1 and the socket cover 4.1, the waterproof cover 4.3 can be hung on the socket cover 4.1 even after being pulled out of the soft waterproof ring 4.2, thereby making it easier for the user to use and preventing loss.

[0030] Preferably, the connecting portion 4.3.3 and the socket cover 4.1 are connected by adhesive, welding, or crimping.

[0031] Preferably, the inner wall of the upper part 4.2.1 of the waterproof ring is provided with an arc-shaped groove 4.2.1.1 extending around its entire circumference, and the side of this arc-shaped groove 4.2.1.1 away from the cover plate portion 4.3.1 narrows in diameter to form a step 4.2.1.2, and the outer wall of the plug portion 4.3.2 is provided with an arc-shaped convex ring 4.3.2.1 extending around its entire circumference, and this arc-shaped convex ring 4.3.2.1 is engaged in the arc-shaped groove 4.2.1.1 and abuts against the step 4.2.1.2. The fitting of the arc-shaped convex ring 4.3.2.1 and the arc-shaped groove 4.2.1.1 engages the upper part 4.2.1 of the waterproof ring with the plug portion 4.3.2, and the step 4.2.1.2 limits the insertion depth of the plug portion 4.3.2, while increasing the contact area between the upper part 4.2.1 of the waterproof ring and the plug portion 4.3.2, thereby strengthening the waterproof effect when the two are fitted together.

[0032] Preferably, a plurality of jack sets 4.1.5 for connecting a plug are provided inside the soft waterproof ring 4.2 of the socket cover 4.1, and the jack sets 4.1.5 include a first jack 4.1.5.1 and a second jack 4.1.5.2, and a first copper strip 8 and a second copper strip 9, which are electrically connected to the cable 2, are fixed to the wiring fixing frame 4.4, a plurality of first contact clips 8.1 are integrally connected to the first copper strip 8, and these first contact clips 8.1 are located on the side of the first jack 4.1.5.1 closer to the wiring fixing frame 4.4, and a plurality of second contact clips 9.1 are integrally connected to the second copper strip 9, and these second contact clips 9.1 are located on the side of the second jack 4.1.5.2 closer to the wiring fixing frame 4.4, and a temperature control protector 7 is connected to the socket cover 4.1, and this temperature control protector 7 is electrically connected to the first copper strip 8, the second copper strip 9 and the cable 2. By providing jack set 4.1.5, it connects to a plug, and by providing the first contact clip 8.1 and the second contact clip 9.1, power is supplied to the plug inserted into the first jack 4.1.5.1 and the second jack 4.1.5.2. The first copper strip 8 and the second copper strip 9 are each integral copper strips, eliminating quality problems due to welding defects, having low resistivity, and having better heat dissipation performance, contributing to improved quality and service life of this invention. Furthermore, by providing this temperature control protector 7, this invention automatically shuts off and protects against excessive temperature increases, thereby improving the safety of use of this invention.

[0033] Preferably, the waterproof protective ring 6 is provided with a fitting hole 6.1 for the cable 2 to pass through and a fitting groove 6.2 for engaging with the wall of the cable hole 1.3. A tapered sleeve ring 6.3 is further connected to the fitting hole 6.1, with one end of the tapered sleeve ring 6.3 connected to the end of the fitting hole 6.1 away from the waterproof chamber 1.2, and the other end of the tapered sleeve ring 6.3 extending into the inside of the fitting hole 6.1 and gradually decreasing in diameter. By providing the fitting groove 6.2, the waterproof protective ring 6 and the cable hole 1.3 are engaged, by providing the fitting hole 6.1, the cable 2 can pass through, and by providing the tapered sleeve ring 6.3, its taper can be used to gradually make it adhere to the surface of the cable 2, thereby achieving a better waterproof effect.

[0034] Preferably, a cable plug 2.1 is connected to the end of the cable 2, and an arc-shaped plug ring 2.1.1 is provided protruding around the entire circumference of the outer wall of the cable plug 2.1, with the dimensions of this arc-shaped plug ring 2.1.1 corresponding to the arc-shaped groove 4.2.1.1 in the upper part 4.2.1 of the waterproof ring. When transmitting power over long distances, it may be necessary to connect two waterproof cord reels as described in this invention. In this case, when the cable plug 2.1 of one waterproof cord reel is inserted into the soft waterproof ring 4.2 of the other waterproof cord reel, the arc-shaped plug ring 2.1.1 fits into the arc-shaped groove 4.2.1.1, thereby providing a waterproof effect even when the two waterproof cord reels are connected. Similarly, a plug having a similar arc-shaped plug ring 2.1.1 structure has a waterproof effect when fitted with the soft waterproof ring 4.2 of this invention, and thus this invention has waterproof capabilities even during operation.

[0035] Preferably, the base frame 3 is provided with a positioning shaft 3.1, and the cord reel body 1, on the side away from the socket 4, is provided with a base positioning hole 1.4 into which the positioning shaft 3.1 is inserted, and a pin 10 is inserted along its radial direction on the side of the positioning shaft 3.1 that is inserted into the base positioning hole 1.4. By providing the positioning shaft 3.1 and the base positioning hole 1.4, the cord reel body 1 and the base frame 3 are rotatably connected, and by providing the pin 10, the positioning shaft 3.1 is prevented from coming out of the base positioning hole 1.4.

[0036] Preferably, the soft waterproof ring 4.2, waterproof cover 4.3, seal ring 5, and waterproof protective ring 6 are made of rubber or silica gel to give these components good elasticity and waterproofness.

[0037] In the method of use of this invention, when no plug is connected, the waterproof cover 4.3 is inserted into the flexible waterproof ring 4.2. When it is necessary to connect a plug, the waterproof cover 4.3 is removed and the plug is inserted into the jack set 4.1.5 located inside the flexible waterproof ring 4.2.

[0038] The advantages of this invention are as follows: Each part of the waterproof chamber 1.2 that communicates with the outside is provided with a waterproof structure, providing all-around waterproofing. If the circuit structure is provided inside the waterproof chamber 1.2, there is no need to worry about short circuits or leakage current due to water exposure, and thus this invention has a good waterproofing effect, avoids electric shock accidents, and reduces safety risks. In addition, in this invention, the socket cover 4.1 is provided with a flexible waterproof ring 4.2 having good elasticity, and when the flexible waterproof ring 4.2 is fitted with the plug inserted into the socket cover 4.1, it can adhere tightly to the side wall of the plug, thereby providing good sealing and waterproofing during operation. When the plug is mated, one end of the plug can be tightly sealed against the socket cover 4.1, and all four sides are sealed by the soft waterproof ring 4.2. As a result, air is expelled from the connection point between the plug and the socket cover 4.1, and outside air cannot enter the connection point. External atmospheric pressure compresses the plug and the socket cover 4.1, making it difficult for the plug to fall out and easy for the user to use.

[0039] Finally, the above embodiments are used solely to illustrate the technical concept of the present invention and are not limitations thereof. The present invention will be described in detail with reference to the above embodiments, but those skilled in the art should understand that it is still possible to modify the inventions described in each of the above embodiments or to replace some of their technical features with equivalent ones. Such modifications or substitutions will not cause the essence of the corresponding technical concept to deviate from the spirit and scope of the technical concept of each embodiment of the present invention. [Explanation of symbols]

[0040] 1. Cord reel body 1.1, Annular flange 1.2, Waterproof room 1.3 Cable holes 1.4. Base positioning holes 2. Cable 2.1 Cable plug 2.1.1, Arc-shaped plug ring 3. Base frame 3.1 Positioning axis 4. Socket 4.1 Socket cover 4.1.1, Flange connection groove 4.1.2, Upper positioning groove 4.1.3 Waterproof ring positioning holes 4.1.4, Lower positioning groove 4.1.5, Jack Set 4.1.5.1, First Jack 4.1.5.2, Second Jack 4.2. Soft waterproof ring 4.2.1, Top of waterproof ring 4.2.1.1, Arc-shaped groove 4.2.1.2, Steps 4.2.2, Center of the waterproof ring 4.2.2.1, Connecting Ribs 4.2.3, Lower part of waterproof ring 4.3, waterproof lid 4.3.1, Lid plate part 4.3.2, Plug part 4.3.2.1, Arc-shaped convex ring 4.3.3, Connection 4.4 Wiring fixing frame 5. Seal ring 6. Waterproof protective ring 6.1, Fitting hole 6.2, Fitting groove 6.3, Tapered Sleeve Ring 7. Temperature control protector 8. First copper strip 8.1, First Contact Clip 9. Second copper strip 9.1, Second contact clip 10. Pin.

Claims

1. It is a waterproof cord reel, The cord reel body (1) includes a cord reel body (1) on which a cable (2) is wound, a base frame (3) is rotatably connected to one side of the cord reel body (1), a socket (4) is connected to the other side of the cord reel body (1), an annular flange (1.1) is provided on the side of the cord reel body (1) that is connected to the socket (4), the socket (4) includes a socket cover (4.1) for connecting to a plug, the socket cover (4.1) is provided with a flange connection groove (4.1.1) for inserting the annular flange (1.1), a seal ring (5) is provided in the flange connection groove (4.1.1), and the end of the annular flange (1.1) abuts against the seal ring (5). A waterproof cord reel characterized in that a plurality of flexible waterproof rings (4.2) are connected to the socket cover (4.1), a waterproof cover (4.3) is inserted into the end of the flexible waterproof ring (4.2) away from the cord reel body (1), a wiring fixing frame (4.4) is connected to the other side of the socket cover (4.1) opposite to the waterproof cover (4.3), the cord reel body (1) has a waterproof chamber (1.2) recessed inside its annular flange (1.1) for housing the wiring fixing frame (4.4), a cable hole (1.3) for the cable (2) to enter is provided at the bottom of the waterproof chamber (1.2), and a waterproof protective ring (6) is inserted into the cable hole (1.3).

2. The waterproof cord reel according to claim 1, characterized in that the soft waterproof ring (4.2) includes a waterproof ring upper part (4.2.1), a waterproof ring central part (4.2.2), and a waterproof ring lower part (4.2.3), the waterproof ring upper part (4.2.1) is located on the side of the socket cover (4.1) away from the cord reel body (1) and is used for insertion of the waterproof cover (4.3), the waterproof ring lower part (4.2.3) is provided on the other side of the socket cover (4.1) corresponding to the waterproof ring upper part (4.2.1), and the waterproof ring central part (4.2.2) is drilled in the socket cover (4.1) and both ends are connected to the waterproof ring upper part (4.2.1) and the waterproof ring lower part (4.2.3), respectively.

3. The waterproof cord reel according to claim 2, characterized in that an upper positioning groove (4.1.2) is provided on the socket cover (4.1) where it corresponds to the upper part (4.2.1) of the waterproof ring, a lower positioning groove (4.1.4) is provided on the socket cover (4.1) where it corresponds to the lower part (4.2.3) of the waterproof ring, the upper positioning groove (4.1.2) and the lower positioning groove (4.1.4) are in communication via a plurality of waterproof ring positioning holes (4.1.3), the central part (4.2.2) of the waterproof ring includes a plurality of connecting ribs (4.2.2.1), the connecting ribs (4.2.2.1) are drilled in the waterproof ring positioning holes (4.1.3), one end of the connecting ribs (4.2.2.1) is connected to the upper part (4.2.1) of the waterproof ring and the other end is connected to the lower part (4.2.3) of the waterproof ring.

4. The waterproof cover (4.3) includes a cover plate portion (4.3.1), a plug portion (4.3.2), and a connecting portion (4.3.3), wherein the cover plate portion (4.3.1) covers the end of the upper part of the waterproof ring (4.2.1), the plug portion (4.3.2) is convex to the cover plate portion (4.3.1) and inserted into the upper part of the waterproof ring (4.2.1), and the connecting portion (4.3.3) has one end connected to the cover plate portion (4.3.1) and the other end connected to the socket cover (4.1), as described in claim 2.

5. The waterproof cord reel according to claim 4, characterized in that the inner wall of the upper part of the waterproof ring (4.2.1) is provided with an arc-shaped groove (4.2.1.1) extending around its entire circumference, and the side of this arc-shaped groove (4.2.1.1) away from the cover plate portion (4.3.1) narrows in diameter to form a step (4.2.1.2), and the outer wall of the plug portion (4.3.2) is provided with an arc-shaped convex ring (4.3.2.1) extending around its entire circumference, and this arc-shaped convex ring (4.3.2.1) is engaged in the arc-shaped groove (4.2.1.1) and abuts against the step (4.2.1.2).

6. Inside the soft waterproof ring (4.2) of the socket cover (4.1), there are several jack sets (4.1.5) for connecting a plug, and each jack set (4.1.5) includes a first jack (4.1.5.1) and a second jack (4.1.5.2), and a first copper strip (8) and a second copper strip (9) which are electrically connected to the cable (2) are fixed to the wiring fixing frame (4.4), and several first contact clips (8.1) are integrally connected to the first copper strip (8), and these first contact clips (8.1) are the first The waterproof cord reel according to claim 1, characterized in that a jack (4.1.5.1) is located on the side of the jack (4.1.5.1) closer to the wiring fixing frame (4.4), a plurality of second contact clips (9.1) are integrally connected to the second copper strip (9), the second contact clips (9.1) are located on the side of the second jack (4.1.5.2) closer to the wiring fixing frame (4.4), a temperature control protector (7) is connected to the socket cover (4.1), and the temperature control protector (7) is electrically connected to the first copper strip (8), the second copper strip (9) and the cable (2).

7. The waterproof protective ring (6) is provided with a fitting hole (6.1) for the cable (2) to pass through and a fitting groove (6.2) for the hole wall of the cable hole (1.3) to engage with, and a tapered sleeve ring (6.3) is further connected to the fitting hole (6.1), one end of the tapered sleeve ring (6.3) is connected to the end of the fitting hole (6.1) away from the waterproof chamber (1.2), and the other end of the tapered sleeve ring (6.3) extends to the inside of the fitting hole (6.1) and its diameter gradually decreases, characterized in that the waterproof cord reel is as described in claim 1.

8. A cable plug (2.1) is connected to the end of the cable (2), and an arc-shaped plug ring (2.1.1) is provided protruding from the outer wall of the cable plug (2.1) around its entire circumference, and the dimensions of this arc-shaped plug ring (2.1.1) correspond to the arc-shaped groove (4.2.1.1) on the upper part (4.2.1) of the waterproof ring, as described in claim 1.

9. The waterproof cord reel according to claim 1, characterized in that the base frame (3) is provided with a positioning shaft (3.1), the cord reel body (1) is provided with a base positioning hole (1.4) on the side away from the socket (4) for insertion of the positioning shaft (3.1), and a pin (10) is inserted along its radial direction into the side of the positioning shaft (3.1) that is inserted into the base positioning hole (1.4).

10. The waterproof cord reel according to claim 1, characterized in that the soft waterproof ring (4.2), waterproof cover (4.3), sealing ring (5), and waterproof protective ring (6) are made of rubber or silica gel.

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