KR102023107B1 - Reel device having opening and closing for repairing - Google Patents

Abstract

The present invention relates to a reel device having an opening and closing hole for repairing and, more specifically, to a reel device having an opening and closing hole for repairing, which can significantly reduce working time and working steps when maintaining and repairing a connection member configured to connect a length member to a shaft in an inner drum of which an outer circumferential surface is coiled with the length member.

Description

Reel device with opening and closing door for repairs {REEL DEVICE HAVING OPENING AND CLOSING FOR REPAIRING}

The present invention relates to a reel device having a repair opening and closing, and more particularly, to maintain the connection member connecting the length member and the shaft in the inner drum, the length member is wound on the outer circumferential surface during the operation time and steps It relates to a reel device having a repair opening and closing to significantly shorten.

In general, various length members including a hose for supplying a fluid such as high pressure air or water, a cable for power supply, and the like are used for household as well as industrial use.

In particular, length members such as hoses and cables are required for a predetermined length or more depending on the working environment and use environment, and accordingly, the length members wound on the reel device are drawn out to a long distance.

For example, a reel device includes a hose reel device, such as Korean Utility Model Registration No. 20-0273614. 1 and 2, the hose reel includes a base 10 and a drum 12 installed on the base 10 and to which the hose is wound.

In addition, a pair of hose release prevention plates 14a and 14b are provided in front and rear of the drum 12, and the shaft 16 is rotatably fitted to the bearing 12a provided inside the drum 12. As shown in FIG. Lose. One end of the shaft 16 is connected to the end of the hose is supplied with air.

In addition, a spiral spring (17) is inserted into the drum (12), one end of which is fixed to the shaft (16) and the other end of which is fixed to the inner wall of the drum (12). The ratchet 13 is fixed to either. The stopper 15, which interacts with the ratchet 13, is installed at the base 10.

In addition, brackets 18a and 18b are fixed to both ends of the shaft 16 as necessary, and guides 22 for guiding the unwinding and winding of the hose are installed at the ends of the brackets 18a and 18b.

Accordingly, when the hose is pulled out, the hose 12 is released through the guide 22, the drum 12 rotates, the spring 17 expands, and the puller 15 removes the force after pulling the hose 20 to the point of use. ) Secures ratchet 13 so that reverse rotation of the drum 12 is prevented.

Furthermore, when the hose is pulled slightly and released after the hose is used, the ratchet 13 is released by the stopper 15, and the drum 12 is rotated in the reverse direction by the restoring force of the spring 17, and the hose is automatically Wound

However, in the case of the reel device according to the prior art as described above (that is, the hose reel) in most cases because the failure or wear phenomenon occurs in the device inside the drum 12, maintenance and repair is difficult. In particular, the disassembly and reassembly steps for repair are many and complex.

For example, the inner part of the drum 12 is provided with a 'connecting member' for delivering a fluid (high pressure air or water) supplied through the hollow of the shaft 13 to the hose, and the connecting member is provided with the shaft 13. It is made of a structure for connecting the hose.

Therefore, to prevent leakage of fluid in the connecting member, the seal 12 (eg, O-ring) fitted to the outer circumferential surface of the shaft 13 is worn, or the drum 12 is removed when the output part to which the inner end of the hose is fitted is broken. It must be disassembled.

In order to disassemble the drum 12, the stopper 15 is caught on the ratchet 13 by pulling the hose to the end to prevent reverse rotation, and to assemble the hose release preventing plates 14a and 14b and the drum 12. Removing the bolt and the nut.

In addition, separating the drum 12 from the base 10, removing the snap ring for binding the shaft 13 and the connecting member in the drum 12, and replacing the seal or output provided in the connecting member It includes a step.

Therefore, in the related art, the repair is completed only through numerous steps when the sealing or output part constituting the connecting member is worn and broken, and when reassembling, the problem of reassembly occurs through a plurality of steps in the reverse order.

Korea Utility Model Registration No. 20-0273614

The present invention is to solve the above-mentioned problems, the maintenance opening and closing device for significantly shortening the working time and steps during maintenance, maintaining the connecting member connecting the length member and the shaft in the inner drum, the length member is wound on the outer peripheral surface It is intended to provide a reel device having a.

To this end, the reel device having a repair opening and closing according to the present invention is configured so that the length member can be wound a plurality of times, the inner drum is formed with a drawing hole on one side; A front disk assembled to the front portion of the inner drum; A rear disk assembled to a rear portion of the inner drum; A shaft assembled through the rotation center of the inner drum; And a connecting member installed inside the inner drum and connecting one end of the shaft and an inner end of the length member introduced into the inner drum through the extraction hole to each other. In the disc in the direction in which the connecting member is located, the through hole for repair is formed so that the connecting member is exposed to the outside, and the repair hole is characterized in that the repair cover is assembled to open and close.

In this case, the inner drum further includes a reel base rotatably mounted, wherein the reel base extends in a vertical direction with respect to the ground and has a shaft hole through which the shaft penetrating the rear disc is formed; A base supported on the bottom surface as it extends from the lower end of the rear support part to the front side; And a front support portion extending in a direction perpendicular to the ground at the end of the base portion, the front support portion having a shape that does not cover a repair hole formed through the front disk.

The reel device is a hose reel device in which a hose for supplying a fluid is wound, and a connection member of the hose reel device is discharged through a side of the shaft so that fluid introduced through the hollow part of the shaft is discharged. A sealing device coupled to both sides of the ball; A connection block having an assembly hole formed so that one side end of the shaft having the discharge hole penetrates therethrough and a passage formed to be connected to the discharge hole and having a fitting hole into which a hose inserted through the outlet hole of the inner drum is fitted; And a snap ring fitted to an end portion of the shaft exposed to the outside through the assembly hole of the connection block.

The reel device is a cable reel device in which a cable for supplying electricity is wound, and the connection member of the cable reel device is a terminal to which a cable inserted through a fitting hole fitted to the shaft and a lead hole of the inner drum is connected. A cable connector comprising a terminal; And a snap ring fitted to an end of the shaft exposed to the outside through the fitting hole of the cable connector.

In addition, the repair cover preferably includes a cover for blocking the repair through hole and the fitting hole fitted in the shape fitting manner to the repair through hole.

Further, in order to assemble or disassemble the repair cover, it is preferable that the cover of the repair cover is provided with a grip part which is held or hung with a hand or a tool.

The present invention as described above is provided with a connecting member for connecting the shaft and the length member in the inner drum, the length member, such as a hose or cable is wound, and to form a repair opening and closing on the disk covering the opening of the inner drum.

Therefore, when the repair cover which is blocking the repair opening and closing is opened, the connecting member to be repaired is exposed through the repair opening and closing, thereby enabling replacement and repair of the sealing means of the connecting member and the like.

1 is a perspective view showing a hose reel according to the prior art.
Figure 2 is a partial cutaway front view of the hose reel of FIG.
3 is an exploded perspective view showing a reel device (hose reel) having a repair opening and closing device according to a first embodiment of the present invention.
4 is an assembled state diagram of FIG. 3.
5 is another embodiment illustrating the repair through hole of FIG. 3.
6 is an exploded perspective view showing a reel device (cable reel) having a repair opening and closing device according to a second embodiment of the present invention.

Hereinafter, a reel device having a repair opening and closing device according to a preferred embodiment of the present invention will be described in detail with reference to the accompanying drawings.

First, the reel device having a repair opening and closing device according to the present invention is applied to a variety of applications, including home as well as industrial, so that the various length members that are wound on the reel device according to the work place or use environment can be released to a far distance. do.

The present invention can be applied to various reel devices including, for example, a 'hose reel' winding a hose for supplying high pressure air or water as shown in FIG. 3, and a 'cable reel' for winding a cable for supplying electricity as shown in FIG. .

As shown in FIGS. 3 and 6, the reel device of the present invention has an inner drum 110, a front disk 120, a rear disk 130, a shaft 140, a connecting member 150, and a repair hole 160. ) And a repair cover 170. Also, in addition to the reel base 180, although not shown, the ratchet and the stopper may be further included.

Accordingly, the length member is wound and stored on the outer circumferential surface of the inner drum 110 axially coupled to the shaft 140, and is pulled by the rear disk 130 and the front disk 120 when the length member is pulled or rewound to a desired position. The length member is not detached.

In addition, the inner drum 110 is installed on the reel base 180 to enable a stable winding or unwinding operation, and a ratchet fixed to the rear disk 130 (see FIG. 2) and a stopper installed on the reel base 180 ( 2, the reverse rotation of the inner drum 110 of which the length member is loosened is prevented.

In particular, the present invention is provided with a connecting member 150 for connecting the shaft 140 and the length member in the inner drum 110, the length member, such as a hose or cable is wound, an example of the inner drum 110 A repair opening and closing hole 160 is formed in the front disk 120 covering the opening.

Therefore, when the repair cover 170 which is blocking the repair opening 160 is opened, the sealing member of the connection member 150 is directly sealed as the connection member 150 to be repaired is exposed to the outside through the repair opening 160. It is possible to replace or repair the means.

More specifically, when the present invention is applied to the hose reel device as shown in Figure 3, the inner drum 110 is configured so that the hose (H), which is a length member a plurality of times, on one side of the inner drum 110 The withdrawal hole 111 is formed.

The drawing hole 111 may be formed in a groove shape in which the side of the inner drum 110 is partially cut as shown, and may be formed by drilling a hole that is the same as or slightly larger than the cross-sectional area of the hose, as illustrated. .

The withdrawal hole 111 allows the outside and the inside of the inner drum 110 to communicate with each other so that the inner end of the hose H is drawn into the inner drum 110. The hose H drawn into the inner drum 110 is connected to the shaft 140 through a connection member 150 to be described later.

In addition, the inner drum 110 is basically formed in a drum (circle) shape having a circular cross section so as to wind the length member, for example, the front part is open, the spiral spring spring 114 is seated and assembled in the rear part Grooves are formed.

The inner distal end of the mainspring spring 114 is fixed to the fitting groove or the slot S formed in the shaft 140, and the outer distal end is fixed to the inner drum 110, and thus the inner drum 110 is referred to. ) Elastic restoring force is applied.

Therefore, when pulling the hose (H) wound on the inner drum 110, the inner spring 110 is rotated while the inner drum 110 is rotated, and after pulling the hose to the required position to remove the force by the spring spring 114 The inner drum 110 rotates in reverse. Through this, the hose (H) is automatically wound.

Next, the disks 120 and 130 include a front disk 120 assembled to the front portion of the inner drum 110 and a rear disk 130 assembled to the rear portion of the inner drum 110. The hose H is prevented from escaping forward and backward of the inner drum 110 by the front and rear disks 120 and 130.

The disk-shaped front disk 120 and the rear disk 130 are generally larger than the diameter of the inner drum 110 to cover the front and rear of the inner drum 110. The front disk 120 is also referred to as a 'label drum', and the rear disk 130 is referred to as a 'ratchet drum' provided with a ratchet.

In addition, when the front disk 120 and the rear disk 130 is bolted by the method of assembling the inner drum 110, corresponding to the bolt hole 113 formed through the edge of the inner drum 110 of the disk The bolt hole 122 is formed in the position.

Therefore, in the state in which the front disk 120 and the rear disk 130 are faced to the front and rear of the inner drum 110, the through bolts (for example, nylon bolts) B are sequentially inserted through the respective bolt holes. At the other end, tighten the nut (eg nylon nut) (N) to complete the assembly.

In addition, although not shown, as is well known, a ratchet is fixedly installed on an outer surface of the rear disk 130 corresponding to the ratchet drum and rotates together with the rear disk 130, and the reel base 180 adjacent thereto is provided. The hook-shaped stopper is provided.

Accordingly, when the hose is pulled out, the hose is released and the inner drum 110 rotates and the spring spring 114 expands, and when the force is removed after pulling the hose 20 to the use point, the stopper 15 latches 13. By fixing the reverse rotation of the inner drum 110 is prevented.

When the hose is slightly pulled and released in that state, the stopper releases the ratchet and at the same time, the inner drum 110 is reversely rotated by the elastic restoring force of the expanded spring spring 114 to rewind the hose.

Next, the shaft 140 constitutes a rotating shaft of the inner drum 110, and typically, the inner drum 110 and the front and rear disks 120 and 130 rotate while the shaft 140 is fixed. To this end, the shaft hole of the inner drum 110 is provided with a friction bearing (not shown) to which the shaft 140 is fitted.

In addition, a hollow portion through which a fluid such as high pressure air or water can flow is formed in the shaft 140, one end of which is opened to supply the fluid, and the other end of the shaft 140 is blocked. Instead, the discharge hole 141 is formed in the inner portion of the other end.

For example, the rear end portion of the shaft 140 is open to supply fluid such as high pressure air or water, and the fluid flowing through the hollow part is discharged through the discharge hole 141 formed at the front side of the shaft 140. . As described later, the discharged fluid is supplied to the hose H through the connection member 150.

Next, the connection member 150 is installed inside the inner drum 110, and connects one end of the shaft 140 with the inner end of the length member. That is, the length member flows into the inner drum 110 through the drawing hole 111 and is connected to the connection member 150.

In this case, in the first embodiment of the present invention, when the reel device is a 'hose reel' device in which a hose for supplying a fluid such as high pressure air or water is wound, the connection member 150 may be connected to the sealing device 151. And a connection block 152 and a snap ring 153.

As an example, the sealing device 151 is applied with an O-ring, and is coupled to both front and rear sides of the discharge hole 141 formed through the shaft 140. To this end, fitting grooves 142a and 142b into which the O-rings are fitted are formed in the front and rear portions of the discharge hole 141, respectively.

The connection block 152 connects the shaft 140 and the hose H, and the assembling hole 152a and the discharge hole 141 formed so that one end of the shaft 140 having the discharge hole 141 penetrates therethrough. A flow path is formed to be connected to the inner drum 110 and includes a fitting hole 152b into which a hose inserted into the inner drum 110 is inserted through the withdrawal hole 111 of the inner drum 110.

Specifically, the connection block 152 is formed in a block structure having a substantially hexagonal shape, and the assembly holes 152a penetrate through the left and right sides of the connection block 152 in parallel with the axial direction of the shaft 140 so that the shaft 140 is formed. ) Is fitted and the fitting hole 152b protrudes from the front portion. A hose (H) is fitted to the outer circumferential surface of the fitting port (152b), and if necessary, pressurized and fixed to the connection portion of the hose with a hose band.

The snap ring 153 is to maintain the coupling state between the shaft 140 and the connection block 152 and is fitted to the end of the shaft 140 exposed through the assembly hole 152a of the connection block 152. . To this end, an assembly groove 143 into which the snap ring 153 is fitted is formed at the end of the shaft 140.

Next, the reel base 180 is particularly useful in the case of a stand type for using the reel device according to the present invention standing on the floor, the present invention can be used on a wall or the like can be applied to various applications, but preferably the reel base ( It is used to put it on the floor through 180).

To this end, the reel base 180 includes a rear support portion 181 in which a shaft hole 181a is formed which extends in a direction perpendicular to the ground and into which the shaft 140 penetrates the rear disk 130. The rear support portion 181 is provided with a stopper for engaging the ratchet.

In addition, the base portion 182 supported on the bottom surface and the end portion of the base portion 182 extends in a vertical direction with respect to the ground as it extends from the lower end of the rear support portion 181 to the front side, and penetrates the front disc 120. It includes a front support portion 183 made of a shape not covering the repair through-hole 160 is formed.

Accordingly, the base 182 of the reel base 180 is standing on the bottom surface to enable stable use, and the front support part 183 and the rear support part 181 cover the front disc 120 and the rear disc 130, respectively. To prevent the hose from falling out.

On the other hand, in the configuration of the reel device as described above, the connecting block 152 constituting the connecting member 150 rotates together with the inner drum 110 when winding or unwinding the hose. Therefore, abrasion and breakage occur in the sealing apparatus 151 provided in close contact with the inside.

In addition, as well as the connection block 152 itself, when the hose is moved for a long time while the hose is inserted into the fitting hole 152b protruding on one side of the connection block 152, the connecting portion of the fitting hole 152b and the hose (H) If it becomes loose or severe, the inner end of the fitting hole 152b or the hose H is broken and water leakage occurs.

Therefore, the reel device may require maintenance and repair, and the present invention, unlike the prior art, dramatically reduces the maintenance and maintenance steps, reduces the working time, and improves the convenience of operation. Make it possible.

To this end, the present invention is a repair hole 160 so that the connecting member 150 is exposed to the outside to the disk (120/130) in the direction in which the connecting member 150 of the front disk 120 or rear disk 130 is located. It is formed through. Repair hole 160 includes a repair cover 170 that is assembled to be opened and closed.

As described above, the repair through-hole 160 is provided in the rear disk 130 or the front disk 120, a ratchet is installed in the rear disk 130, as shown in the example, the inner drum 110 When the rear portion is blocked by the reel base 180, a repair hole 160 is formed in the front disk 120.

As shown in FIG. 4, when the connecting member 150 is connected to the front end of the shaft 140, the repair through hole 160 is formed in the front disk 120, and the repair cover 170 covering the front is also forward. It is fitted to the disk 120.

Accordingly, in the present invention, when the repair cover 170 fitted to the front disk 120 is removed, the connection member 150 is immediately exposed to the outside, so that the sealing device 151 after removing the snap ring 153 in the state. It is possible to replace the connection block 152 itself.

As described with reference to FIGS. 1 and 2, in the related art, in the state in which the hose is pulled to the end, the bolts and nuts for assembling the hose release preventing plates 14a and 14b and the drum 12 are loosened, and the base 10 is removed from the base 10. Removing the snap ring for coupling the shaft 13 and the connecting member in a state in which the drum 12 is lifted out, and replacing the sealing or output part provided in the connecting member.

Therefore, in the related art, the repair is completed only through numerous steps when the seal or the output part of the connecting member 150 is worn or damaged, and when reassembling, there is a problem of reassembling through a plurality of steps in the reverse order. .

On the other hand, the present invention can omit all of the steps, such as lifting the drum 12, as described above, simply after removing the cover for repair 170 in front of the user is located sealing device 151 or The connecting member 150 such as the connecting block 152 can be repaired.

However, the repair cover 170 preferably includes a cover blocking the repair hole 160 and a fitting hole 152b fitted to the repair hole 160 in a shape fitting manner. At this time, a screw thread is formed on the outer circumferential surface of the fitting hole 152b so that the repair cover 170 may be turned to open and close.

In addition, it is preferable that the cover of the repair cover 170 is provided with a grip part which is held or hung by using a hand or a tool to assemble or separate the repair cover 170, through which the user can repair the cover without a separate tool. Allow 170 to be removed.

3 and 4, the repair through-hole 160 is formed in a circular opening shape, and for example, the repair cover 170 assembled therein also has a circular shape.

However, the repair hole 160 includes a cross-shaped one (160-1) as shown in Fig. 5 (a) or an elliptical one (160-2) having a long longitudinal radius as shown in Fig. 5 (b). Other shapes are possible. This makes repairs easier by freeing up space for the operator's hands or tools.

Hereinafter, a reel device having a repair opening and closing device according to a second embodiment of the present invention will be described with reference to the accompanying drawings. The second embodiment of the present invention relates to a 'cable reel' device in which a cable P-C for supplying electricity as a reel device is wound.

To this end, the present invention, the inner drum 110, the front disk 120, the rear disk 130, the shaft 140 ', the connecting member 150', the repair hole 160 and the repair cover 170 It includes. It also preferably further comprises a reel base 180, ratchet and stopper, the advantages of which are the same as in the first embodiment of the invention described above.

However, the connecting member 150 ′ of the cable reel device has a fitting hole into which the shaft 140 is fitted at the center and an end T of the cable PC inserted through the outlet hole 111 of the inner drum 110. And a cable connector 151 'having a terminal terminal 151a' to which it is connected.

In addition, it includes a snap ring (152 ') that is fitted to the end of the shaft 140 exposed to the outside through the fitting hole formed in the center of the cable connector (151').

Therefore, the second embodiment of the present invention also removes the repair cover 170 assembled to the front disk 120, the terminal terminal 151a 'and the end of the cable (PC) directly through the repair through hole 160 Since the connection member 150 to which T is connected is exposed, a poor contact between the terminal terminal 151a 'and the cable PC can be repaired.

6 illustrates an example in which an outlet C-T is provided at an outer end of the cable P-C. However, on the contrary, a plug (not shown) may be provided at the outer end of the cable P-C, and any of them may be selectively applied.

In the above, the specific Example of this invention was described above. However, the spirit and scope of the present invention are not limited to these specific embodiments, and various modifications and variations can be made without departing from the spirit of the present invention. If you grow up, you will understand.

Therefore, since the embodiments described above are provided to completely inform the scope of the invention to those skilled in the art, it should be understood that they are exemplary in all respects and not limited. The invention is only defined by the scope of the claims.

110: inner drum
120: front disk
130: rear disc
140: shaft
150: connecting member
160: repair hole
170: repair cover
180: reel base

Claims (6)

delete delete An inner drum 110 configured to be wound around the length member a plurality of times, and having a drawing hole 111 formed at one side thereof;
A front disk 120 assembled to the front of the inner drum 110;
A rear disc 130 assembled to a rear part of the inner drum 110;
A shaft 140 assembled through the rotation center of the inner drum 110; And
Is installed inside the inner drum 110, the connection connecting one end of the shaft 140 and the inner end of the length member introduced into the inner drum 110 through the withdrawal hole 111 to each other A member 150;
A repair hole 160 is formed through the front disc 120 or the rear disc 130 in the direction in which the connecting member 150 is located so that the connecting member 150 is exposed to the outside.
In the receptacle device having a repair opening and closing the repair cover 170 is assembled to open and close the repair hole 160,
The reel device is a hose reel device is wound around the hose (hose) for supplying a fluid,
The connection member 150 of the hose reel device,
A sealing device (151) coupled to both sides of the discharge hole (141) formed through one side of the shaft (140) so that the fluid introduced through the hollow portion of the shaft (140) is discharged;
One end of the shaft 140 in which the discharge hole 141 is formed is formed so as to be connected to the assembly hole 152a and the discharge hole 141 is formed, and the withdrawal hole of the inner drum 110 ( A connection block 152 having fitting holes 152b into which the hose inserted through the 111 is fitted; And
And a snap ring (153) inserted into an end of the shaft (140) exposed to the outside through the assembly hole of the connection block (152). An inner drum 110 configured to be wound around the length member a plurality of times, and having a drawing hole 111 formed at one side thereof;
A front disk 120 assembled to the front of the inner drum 110;
A rear disc 130 assembled to a rear part of the inner drum 110;
A shaft 140 assembled through the rotation center of the inner drum 110; And
Is installed inside the inner drum 110, the connection connecting one end of the shaft 140 and the inner end of the length member introduced into the inner drum 110 through the withdrawal hole 111 to each other A member 150;
A repair hole 160 is formed through the front disc 120 or the rear disc 130 in the direction in which the connecting member 150 is located so that the connecting member 150 is exposed to the outside.
In the receptacle device having a repair opening and closing the repair cover 170 is assembled to open and close the repair hole 160,
The reel device is a cable reel device to which the cable for supplying electricity is wound,
The connecting member 150 'of the cable reel device is
A cable connector 151 'including a fitting hole fitted to the shaft 140 and a terminal terminal 151a' to which a cable inserted through the withdrawal hole 111 of the inner drum 110 is connected; And
And a snap ring (152 ') fitted to an end of the shaft (140) exposed through the fitting hole (152b) of the cable connector (151'). The method according to any one of claims 3 to 4,
The repair cover 170,
Reel device having a repair opening and closing port characterized in that it comprises a cover for blocking the repair hole (160) and the fitting hole fitted in the shape fitting manner to the repair hole (160). The method of claim 5,
Reel device having a repair opening and closing, characterized in that the cover of the repair cover (170) is provided with a grip portion to hold or hang using a hand or a tool to assemble or separate the repair cover (170).

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