JP6924672B2 - Glidant coating jig for socket, lubricant coating jig for insertion and lubricant coating equipment - Google Patents

Description

INDUSTRIAL APPLICABILITY According to the present invention, a lubricant coating jig for a socket that applies a lubricant to a seal member in a socket of a pipe, a lubricant coating jig for a socket that applies a lubricant to the outer periphery of the socket of a pipe, a lubricant coating jig for a socket, and a lubricant coating jig for a socket. The present invention relates to a lubricant application device having a lubricant application jig for insertion.

Conventionally, as shown in FIG. 23, the insertion port 104 formed at the end of the other pipe 103 is inserted into the inside of the socket 102 formed at the end of one pipe 101 made of ductile cast iron, and the receiver is received. A pipe joint that seals between the receiving port 102 and the insertion port 104 by compressing an annular rubber sealing member 105 between the inner peripheral surface of the opening 102 and the outer peripheral surface of the insertion port 104 is known. Has been done.

That is, the seal member fitting groove 106 is formed on the inner peripheral surface of the receiving port 102 over the entire circumference, and the seal member 105 is fitted in the seal member fitting groove 106. The seal member 105 has an annular heel portion 114 that is fitted into the seal member fitting groove 106, and a valve portion 115 that is connected to the entire circumference inward in the radial direction from the heel portion 114.

Further, a lock ring accommodating groove 107 is formed on the entire circumference behind the seal member fitting groove 106, and the lock ring 108 is mounted on the lock ring accommodating groove 107 in the circumferential direction. Further, an elastically deformable holding ring 109 is arranged between the inner peripheral surface of the lock ring accommodating groove 107 and the outer peripheral surface of the lock ring 108.

Further, a protrusion 110 is formed on the outer circumference of the tip of the insertion port 104 over the entire circumference.

When joining the pipes 101 and 103 to each other, the seal member 105 is fitted into the seal member fitting groove 106, and the insertion port 104 is inserted into the receiving port 102 with the lock ring 108 and the holding ring 109 attached to the lock ring accommodating groove 107. Insert in. As a result, the insertion port 104 passes through the inner circumference 105a of the seal member 105 and the inner circumference of the lock ring 108 toward the back side of the receiving port 102. After passing, the protrusion 110 engages with the lock ring 108 from the back side of the receiving port 102, so that the detachment prevention function is exhibited.

When the insertion port 104 is inserted into the receiving port 102 as described above, the sealing member 105 is compressed between the inner peripheral surface of the receiving port 102 and the outer peripheral surface of the insertion port 104, so that the insertion port 104 is the seal member 105. Strongly receives frictional resistance from. In order to reduce such frictional resistance, during the joining work of the pipes 101 and 103, the operator uses a brush or the like to connect the inner circumference 105a and the insertion port 104 of the seal member 105 mounted in the receiving port 102. Lubricant 111 was applied to the outer circumference 104a and the outer circumference 104a, respectively.

The joint structure of the pipes 101 and 103 as described above is described in, for example, Patent Document 1 below.

JP-A-6-2791

However, in the above-mentioned conventional type, the operator manually applies the lubricant 111 to the inner circumference 105a of the seal member 105 in the receiving port 102 and the outer circumference 104a of the insertion port 104 by using a brush or the like. There is a problem that the application work of the lubricant 111 requires a great deal of labor and time.

In particular, when a groove is excavated in the ground, a plurality of pipes are arranged in the groove, and the pipes are joined in the groove, a great deal of labor is required for the application work of the lubricant 111.

An object of the present invention is to provide a lubricant coating jig for a socket, a lubricant coating jig for an insertion slot, and a lubricant coating tool, which can reduce the labor required for applying a lubricant.

In order to achieve the above object, the first invention is a lubricant coating jig for a socket, which applies a liquid lubricant to an annular sealing member mounted in the socket of a pipe.
It has a plunging member that can be inserted into the socket and an operating rod.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
Receptacle for a lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from receptacle for a lubricant impregnated member by abutting on the inner periphery of the seal member,
The operating rod is removable from the outer periphery of the lubricant coating jig for the socket in the radial direction .

According to this, by inserting the plunging member into the socket, the lubricant-impregnated member for the socket impregnated with the lubricant comes into contact with the inner circumference of the seal member mounted in the socket, and the lubricant is released from the lubricant-impregnated member for the socket. Is released from and applied to the inner circumference of the sealing member. As a result, the labor required for applying the lubricant is reduced.

The second invention is a lubricant coating jig for an insertion port that applies a liquid lubricant to the outer circumference of the insertion port of a pipe.
It has an outer fitting member that can be externally fitted to the insertion port and an operating rod .
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
Spigot for lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from spigot for lubricant impregnated member by abutting on the outer circumference of the spigot,
The operating rod is removable from the outer circumference of the lubricant coating jig for insertion in the radial direction .

According to this, by externally fitting the outer fitting member to the insertion opening, the lubricant-impregnated member for insertion that is impregnated with the lubricant comes into contact with the outer periphery of the insertion opening, and the lubricant is released from the lubricant-impregnated member for insertion. It is applied to the outer circumference of the insertion slot. As a result, the labor required for applying the lubricant is reduced.

The third invention is a lubricant coating jig for a socket that applies a liquid lubricant to an annular seal member mounted inside the socket of a pipe, and a lubricant that applies a liquid lubricant to the outer periphery of the joint of the pipe. It is a lubricant application device having a lubricant application jig.
The lubricant coating jig for the socket and the lubricant coating jig for the insertion port are separate jigs.
Receptacle for lubricant coating jig includes insertable inrush member within receptacle, and a cylindrical connecting frame,
The plunging member is provided on the connecting frame, and has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
Spigot for lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from spigot for lubricant impregnated member by abutting on the outer circumference of the spigot,
The connecting frame of the lubricant coating jig for the socket and the outer shell of the lubricant coating jig for the insertion port can be detachably joined.

According to this, by inserting the plunging member of the lubricant coating jig for the socket into the socket, the lubricant-impregnated member for the socket impregnated with the lubricant comes into contact with the inner circumference of the seal member mounted in the socket, and the lubricant is released. , It is released from the lubricant impregnating member for the socket and applied to the inner circumference of the sealing member.

Further, by externally fitting the outer fitting member of the lubricant coating jig for the insertion port to the insertion opening, the lubricant impregnating member for the insertion slot impregnated with the lubricant comes into contact with the outer periphery of the insertion opening, and the lubricant is released from the lubricant impregnating member for the insertion slot. It is released from and applied to the outer circumference of the insertion port.

As a result, the labor required for applying the lubricant is reduced.

In addition, when using a lubricant coating jig, by joining the connecting frame of the lubricant coating jig for the socket and the outer shell of the lubricant coating jig for the insertion, the lubricant coating jig for the socket and the lubricant coating jig for the insertion can be used. Are integrally combined. After that, the entry member of the lubricant-applied jig for the socket is inserted into the socket, the lubricant is applied to the inner circumference of the seal member, and the outer fitting member of the lubricant-coated jig for the socket is externally fitted into the socket, and the lubricant is applied. Is applied to the outer circumference of the insertion slot.

In the lubricant coating device of the fourth invention, the outer shell of the lubricant coating jig for insertion has one end open and the other end closed.
When not in use, the plunging member of the lubricant-coated jig for the socket is removable from one end opening of the outer shell of the lubricant-coated jig for the socket into the outer fitting member.

According to this, when not in use, after replenishing the lubricant in the outer shell of the lubricant-coated jig for insertion, the entry member of the lubricant-coated jig for socket is outside from one end opening of the outer shell of the lubricant-coated jig for insertion. Insert into the fitting member. As a result, the lubricant replenished in the outer shell is impregnated into the lubricant impregnating member for the socket and the lubricant impregnating member for the insertion.

The fifth invention is a lubricant coating jig for a socket that applies a liquid lubricant to an annular seal member mounted inside the socket of a pipe, and a lubricant that applies a liquid lubricant to the outer periphery of the joint of the pipe. It is a lubricant application device having a lubricant application jig.
The lubricant coating jig for the socket has a plunge member that can be inserted into the socket.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
The lubricant-impregnated member for the insertion slot can release the lubricant from the lubricant-impregnated member for the insertion slot by contacting the outer periphery of the insertion slot in a state of being impregnated with the lubricant.
At least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion has an operating rod.
The operating rod is removable in the radial direction on the outer periphery of at least one of the socket lubricant coating jig and the socket lubricant coating jig.
According to this, the operating rod is attached to at least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion, and the operating rod is operated to operate the lubricant coating jig for the socket and the lubricant coating jig for the insertion. At least one of and can be moved in the axial direction or the circumferential direction. As a result, the lubricant can be evenly and evenly applied to the sealing member in the socket and the outer circumference of the insertion slot.
In the lubricant coating device of the sixth invention, at least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion port has legs for self-supporting on the outer periphery.

According to this, at least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion port is supported by the legs and stands on its own, so that it does not roll over carelessly.

The seventh invention is a lubricant coating jig for a socket that applies a liquid lubricant to an annular seal member mounted inside the socket of a pipe, and a lubricant that applies a liquid lubricant to the outer periphery of the joint of the pipe. It is a lubricant application device that is integrally provided with a lubricant application jig.
The lubricant coating jig for the socket has a plunge member that can be inserted into the socket.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and an insertion lubricant impregnating member provided on the inner circumference of the outer shell, and is divided into a plurality of divided members in the circumferential direction.
The dividing members are connected by a connecting member so that they can be opened and closed.
The outer fitting member becomes an annular shape that can be externally fitted into the insertion slot with the split member closed, and can be detached from the insertion slot with the split member open.
The lubricant-impregnated member for the insertion slot can release the lubricant from the lubricant-impregnated member for the insertion slot by contacting the outer periphery of the insertion slot in a state of being impregnated with the lubricant.
The plunge member of the lubricant coating jig for the socket is attached to any of the split members .

According to this, with the split member of the lubricant coating jig for insertion open, the outer fitting member is lowered onto the insertion slot, and then the split member is closed. As a result, the outer fitting member is annularly fitted into the insertion port, the lubricant-impregnated member for insertion impregnated with the lubricant comes into contact with the outer periphery of the insertion opening, and the lubricant is released from the lubricant-impregnated member for insertion and inserted. It is applied to the outer circumference of the mouth.

Further, by moving the lubricant coating device in the axial direction and inserting the plunging member of the lubricant coating jig for the socket into the socket, the lubricant-impregnated member for the socket impregnated with the lubricant is inside the seal member in the socket. Upon contact with the circumference, the lubricant is released from the lubricant impregnating member for the socket and applied to the inner circumference of the sealing member.

In the lubricant coating device of the eighth invention, the lubricant impregnating member for the socket and the lubricant impregnating member for the insertion are sponges, respectively.

According to this, by inserting the entry member of the lubricant coating jig for the socket into the socket, the lubricant-impregnated member for the socket impregnated with the lubricant comes into contact with the inner circumference of the seal member mounted in the socket, and has a diameter. Compressed in the direction. As a result, the lubricant is released from the lubricant-impregnated member for the socket and applied to the inner circumference of the seal member.

Further, by externally fitting the outer fitting member of the lubricant coating jig for the insertion port to the insertion opening, the lubricant impregnating member for the insertion opening impregnated with the lubricant comes into contact with the outer periphery of the insertion opening and is compressed in the radial direction. As a result, the lubricant is released from the lubricant impregnating member for the insertion opening and applied to the outer periphery of the insertion opening.

As described above, according to the present invention, the labor required for applying the lubricant can be reduced.

It is sectional drawing of the lubricant coating apparatus according to 1st Embodiment of this invention, and shows the state which separated the lubricant coating jig for a socket and the lubricant coating jig for an insertion. It is a view of XX arrow in FIG. It is a YY arrow view in FIG. It is a ZZ arrow view in FIG. 1. It is sectional drawing of the lubricant coating apparatus, and shows the state which joined the lubricant coating jig for a socket and the lubricant coating jig for an insertion. It is sectional drawing of the lubricant application apparatus, and shows the working state which applies the lubricant to the seal member in a socket. It is sectional drawing of the lubricant application instrument, and shows the working state which applies a lubricant to the outer circumference of an insertion opening. It is sectional drawing of the lubricant coating apparatus, and shows the state which made the lubricant coating jig for an insertion part self-supporting and joined to the lubricant application jig for a socket when not in use. It is sectional drawing of the lubricant coating jig for a socket in the 2nd Embodiment of this invention. The same is a cross-sectional view of the lubricant coating jig for the insertion port. It is a perspective view of the lubricant application device in the 3rd Embodiment of this invention, and shows the state which both division members are closed. The same is a perspective view of the lubricant application device, showing a state in which both dividing members are open. The same is a cross-sectional view of the lubricant coating device. FIG. 11 is a view taken along the line XX in FIG. FIG. 12 is a view taken along the line XX in FIG. FIG. 11 is a view taken along the line YY in FIG. FIG. 12 is a view taken along the line YY in FIG. It is the figure at the time of setting the lubricant application device in the pipe. It is the figure at the time of setting the lubricant application device in the pipe, and shows the state when the central connecting part of the lubricant application device comes into contact with the insertion opening. The same is a view of the lubricant application device set in the insertion slot as viewed from the axial direction. The same is a cross-sectional view of the lubricant application device, showing a working state in which the lubricant is applied to the insertion port. The same is a cross-sectional view of the lubricant application device, showing a working state in which the lubricant is applied to the seal member in the socket. It is sectional drawing of the receiving port and the insertion port of a conventional pipe.

Hereinafter, embodiments of the present invention will be described with reference to the drawings. The same members as those of the conventional members described above are designated by the same reference numerals, and detailed description thereof will be omitted.

(First Embodiment)
In the first embodiment, as shown in FIG. 1, reference numeral 1 denotes a lubricant coating device, which is a receiver for applying a highly viscous liquid lubricant 111 to an annular sealing member 105 mounted in a socket 102. It has a lubricant coating jig 3 for mouth and a lubricant coating jig 4 for insertion that applies a lubricant 111 to the outer periphery of the insertion port 104. The lubricant coating jig 3 for the socket and the lubricant coating jig 4 for the insertion port are separate jigs. The lubricant 111 contains, for example, a polycarboxylic acid salt as a main component.

First, the structure of the lubricant coating jig 3 for the socket will be described below.

As shown in FIGS. 1 and 2, the lubricant coating jig 3 for a socket has a plunge member 11 that can be inserted into the socket 102 and a connecting frame 12. The connecting frame 12 has a cylindrical body portion 13 and a circular mounting plate 14 provided in the body portion 13.

The plunge member 11 includes a circular tubular core material 15 provided on the mounting plate 14 and a sponge 16 for a socket (an example of a lubricant impregnating member for a socket) provided on the outer circumference of the core material 15 over the entire circumference. doing. The plunge member 11 projects outward from one end of the body portion 13. Further, the outer diameter OD1 of the receiving sponge 16 is larger than the inner diameter ID1 (see FIG. 23) of the valve portion 115 of the seal member 105, and is larger than the inner diameter ID3 (see FIG. 23) of the heel portion 114 of the seal member 105. Is also set small (inner diameter ID1 <outer diameter OD1 <inner diameter ID3).

Next, the structure of the lubricant coating jig 4 for insertion port will be described below.

As shown in FIGS. 1, 3 and 4, the lubricant coating jig 4 for insertion has an outer fitting member 31 that can be externally fitted to the insertion opening 104, a plurality of legs 32 for self-supporting, and a rod-shaped operation lever 33. (An example of an operation jig). The outer fitting member 31 includes a cylindrical outer shell 35, an insertion sponge 36 (an example of an insertion lubricant impregnating member) provided on the inner circumference of the outer shell 35 over the entire circumference, and an operating rod mounting member 37. And have.

One end of the outer shell 35 is open, and the other end is closed with a closing plate 39. Further, the legs 32 and the operating rod mounting member 37 are provided on the outer periphery of the outer shell 35, respectively, and are located at positions 180 ° opposite to the axis 40 passing through the center of the outer shell 35.

Further, the operating rod mounting member 37 has a first locking hole 41 formed in the radial direction R of the outer shell 35 and a second locking hole 42 formed in the axial direction A of the outer shell 35. doing. When the lubricant coating jig 4 for insertion is made to stand on its own with the legs 32 facing down, the first locking hole 41 faces upward. Further, as shown in FIG. 8, the lubricant coating jig 4 for insertion can stand on its own with the other end of the outer shell 35 (that is, the closing plate 39) facing down, and in this case, the second locking hole 42 faces upward. Become. The tip of the operating lever 33 is removable from the first locking hole 41 and the second locking hole 42, and can be fixed to the operating rod mounting member 37 by the bolt 49 and the nut 50.

Further, a pair of left and right handles 44 are provided on the outer circumference of the outer shell 35.

Further, one end fitting portion 45 having a reduced outer diameter is formed at one end of the outer shell 35, and the other end fitting portion 46 having a reduced outer diameter is formed at the other end of the outer shell 35. Is formed. One end side fitting portion 45 and the other end side fitting portion 46 can be fitted into the body portion 13 of the lubricant coating jig 3 for receiving ports, respectively.

Further, the inner diameter ID2 of the insertion sponge 36 is smaller than the outer diameter OD2 of the insertion port 104 (see FIG. 23), and is set to the same dimensions as the outer diameter OD1 of the receiving sponge 16.

The operation in the above configuration will be described below.

For example, when a plurality of pipes 101 and 103 are joined and buried, the ground 51 is excavated to form a groove 52, a plurality of sleepers 53 are installed at the bottom 52a in the groove 52, and then the plurality of pipes 101 and 103 are buried. Is lowered into the groove 52 and installed on the sleepers 53. A seal member 105, a lock ring 108, and a holding ring 109 are previously mounted in the receiving port 102.

Then, the lubricant 111 is applied to the inner circumference 105a of the seal member 105 and the outer circumference 104a of the insertion port 104 by using the lubricant coating device 1 as described below.

That is, the lubricant 111 is impregnated (soaked) in the socket sponge 16 and the insertion sponge 36 in advance, and as shown in FIG. 5, the outer shell 35 of the insertion lubricant coating jig 4 is used. The other end side fitting portion 46 is fitted into the other end portion of the body portion 13 of the receiving lubricant coating jig 3, and the connecting frame 12 and the outer shell 35 are joined. As a result, the lubricant coating jig 3 for the socket and the lubricant coating jig 4 for the insertion port are integrally coupled. At this time, by placing the lubricant application device 1 on the ground 51 with the legs 32 facing down, the lubricant application device 1 is supported by the legs 32 and becomes independent, so that it does not roll over carelessly.

After that, the tip of the operating lever 33 is inserted into the first locking hole 41 of the operating rod mounting member 37, and fixed to the operating rod mounting member 37 by the bolt 49 and the nut 50. As a result, the operation lever 33 is mounted on the outer periphery of the lubricant coating jig 4 for insertion in the radial direction R.

Then, while operating the operation lever 33 from the ground, the lubricant coating device 1 is lowered from the ground to the bottom portion 52a in the groove 52 with the legs 32 down, and as shown in FIG. The plunge member 11 is inserted into the receiving port 102 of the pipe 101. As a result, the receiving sponge 16 comes into contact with the inner circumference 105a of the sealing member 105 in the receiving port 102 and is compressed in the radial direction R, and the lubricant 111 is released from the receiving sponge 16 to release the inner circumference of the sealing member 105. It is applied to 105a.

At this time, by swinging the operation lever 33 in the axial direction A and the circumferential direction B (see FIG. 3), the sponge 16 for the socket is moved together with the lubricant coating device 1 in the axial direction A and the circumferential direction B (tube axial center). Since it swings in the circumferential direction), the lubricant 111 can be evenly and evenly applied to the inner circumference 105a of the seal member 105.

Further, since one end of the body portion 13 comes into contact with the end surface of the receiving port 102, the insertion amount (insertion depth) of the inrush member 11 can be regulated to a predetermined dimension, so that the receiving sponge 16 is a sealing member. It is possible to prevent the lock ring 108 from reaching beyond 105.

After that, the operation lever 33 is operated from the ground to remove the entry member 11 of the lubricant coating jig 3 for the socket from the socket 102, and as shown in FIG. 7, the outer shell 35 of the lubricant coating jig 4 for the socket is inserted. Is externally fitted into the insertion port 104 of the pipe 103 to be joined. As a result, the insertion sponge 36 comes into contact with the outer circumference 104a of the insertion port 104 and the protrusion 110 and is compressed in the radial direction R, and the lubricant 111 is released from the insertion sponge 36 to the outer circumference 104a of the insertion port 104. It is applied to the protrusion 110.

At this time, by swinging the operation lever 33 in the axial direction A and the circumferential direction B (see FIG. 3), the insertion sponge 36 swings in the axial direction A and the circumferential direction B together with the lubricant application device 1. Therefore, the lubricant 111 can be evenly and evenly applied to the outer circumference 104a of the insertion port 104.

As a result, the labor required for the application work of the lubricant 111 is reduced.

After that, the operation lever 33 is operated to separate the outer shell 35 of the lubricant application jig 4 for insertion from the insertion 104, and the lubricant application tool 1 is pulled up from the groove 52 to the ground.

After that, the insertion port 104 of the other pipe 103 is inserted into the receiving port 102 of one pipe 101 by using a pipe joining device or the like, and the pipes 101 and 103 are joined to each other.

In the method of applying the lubricant 111, the operator operates the operation lever 33 from the ground to lower the lubricant application tool 1 to the bottom portion 52a in the groove 52, or to lower the lubricant application tool 3 for the socket. The work of inserting the inrush member 11 into the receiving port 102 and the work of fitting the outer shell 35 of the lubricant coating tool 4 for inserting into the insertion port 104 are performed by the operator. You may grab the handle 44.

Further, when the lubricant coating device 1 is not used, as shown in FIG. 8, the lubricant coating jig 4 for insertion is made to stand on its own with the other end of the outer shell 35 (that is, the closing plate 39) facing down, and the lubricant 111 is applied. After replenishing the inside of the outer shell 35 from one end opening 48 of the outer shell 35, the entry member 11 of the lubricant coating jig 3 for the socket is inserted into the outer fitting member 31 from the opening 48 at one end of the lubricant coating jig 4 for insertion. At the same time as inserting, the fitting portion 45 on one end side of the outer shell 35 is fitted into one end portion of the body portion 13 to join the connecting frame 12 and the outer shell 35. As a result, the lubricant coating jig 3 for the socket and the lubricant coating jig 4 for the insertion port are integrally connected in a state opposite to that at the time of work, and one end opening 48 of the outer shell 35 is closed by the connecting frame 12. The lubricant 111 replenished in the outer shell 35 is surely and sufficiently impregnated (infiltrated) into the receiving sponge 16 and the insertion sponge 36.

At this time, by inserting the tip of the operating lever 33 into the second locking hole 42 of the operating rod mounting member 37, the operating lever 33 is coated with a lubricant for insertion in the axial direction A (in this case, the vertical direction). It is attached to the outer periphery of the jig 4 and can prevent the operation lever 33 from being lost when not in use.

In the first embodiment, as shown in FIG. 6, the entry member 11 of the lubricant coating jig 3 for the socket is inserted into the socket 102, and the lubricant 111 is applied to the inner circumference 105a of the seal member 105. After that, as shown in FIG. 7, the outer shell 35 of the lubricant coating jig 4 for insertion is fitted on the outside of the insertion 104, and the lubricant 111 is applied to the outer circumference 104a of the insertion 104. It may be reversed. Further, the entry member 11 of the lubricant coating jig 3 for the socket is inserted into the socket 102 and the outer shell 35 of the lubricant coating jig 4 for the socket is fitted to the insertion port 104 at the same time to perform the lubricant 111. May be applied to the outer circumference 104a of the insertion port 104 while being applied to the inner circumference 105a of the seal member 105.

In the first embodiment, as shown in FIG. 1, the leg 32, the operating rod mounting member 37, and the handle 44 are provided on the outer periphery of the outer shell 35 of the lubricant coating jig 4 for insertion. It may be provided on the outer periphery of the connecting frame 12 of the lubricant coating jig 3 for the socket, or may be provided on both the outer periphery of the outer shell 35 and the outer periphery of the connecting frame 12.

In the first embodiment, the inner diameter ID2 of the insertion sponge 36 is set to the same size as the outer diameter OD1 of the receiving sponge 16, but may be set to a different size.

(Second Embodiment)
In the first embodiment described above, as shown in FIG. 5, when the lubricant coating device 1 is used, the connecting frame 12 and the outer shell 35 are joined to form a lubricant coating jig 3 for receiving and for inserting. Although the lubricant coating jig 4 is integrally bonded, in the second embodiment described below, as shown in FIGS. 9 and 10, when the lubricant coating device 1 is used, the lubricant for the socket is used. The coating jig 3 and the lubricant coating jig 4 for insertion are used in a separated state without being combined.

In this case, the legs 32, the operating rod mounting member 37, and the handle 44 are provided on the outer circumference of the connecting frame 12 of the lubricant coating jig 3 for the socket and the outer circumference of the outer shell 35 of the lubricant coating jig 4 for the insertion, respectively. Has been done.

According to this, as shown in FIG. 9, the operating lever 33 is operated from the ground to lower the receiving lubricant coating jig 3 to the bottom portion 52a in the groove 52, and the inrush member 11 is inserted into the receiving port 102. As a result, the lubricant 111 is released from the receiving sponge 16 and applied to the inner circumference 105a of the sealing member 105.

At this time, by swinging the operation lever 33 in the axial direction A and the circumferential direction B, the socket sponge 16 swings in the axial direction A and the circumferential direction B together with the lubricant coating jig 3 for the socket. The lubricant 111 can be evenly and evenly applied to the inner circumference 105a of the sealing member 105.

Further, as shown in FIG. 10, by operating the operation lever 33 from the ground, the lubricant coating jig 4 for insertion is lowered to the bottom portion 52a in the groove 52, and the outer shell 35 is externally fitted to the insertion opening 104. The lubricant 111 is released from the insertion sponge 36 and applied to the outer circumference 104a and the protrusion 110 of the insertion opening 104.

At this time, by swinging the operation lever 33 in the axial direction A and the circumferential direction B, the sponge 36 for the insertion together with the lubricant coating jig 4 for the insertion swings in the axial direction A and the circumferential direction B. The lubricant 111 can be evenly and evenly applied to the outer circumference 104a of the insertion port 104.

As a result, the labor required for the application work of the lubricant 111 is reduced.

In the second embodiment, as shown in FIG. 9, the entry member 11 of the lubricant coating jig 3 for the socket is inserted into the socket 102, and the lubricant 111 is applied to the inner circumference 105a of the seal member 105. And, as shown in FIG. 10, the outer shell 35 of the lubricant coating jig 4 for insertion is fitted to the outside of the insertion 104, and the lubricant 111 is applied to the outer circumference 104a of the insertion 104. After the work is performed first, the other coating operation may be performed, or one coating operation and the other coating operation may be performed at the same time.

(Third Embodiment)
In the third embodiment, as shown in FIGS. 11 to 17, the lubricant coating device 1 is integrally provided with the lubricant coating jig 3 for the socket and the lubricant coating jig 4 for the insertion port. The outer fitting member 31 includes two (plural examples) divided members 61 and 62 divided in the circumferential direction B, and a hinge mechanism 63 (an example of the connecting member) that connects the two divided members 61 and 62 so as to be openable and closable. It has a tension coil spring 64 (an example of urging means) that urges both the dividing members 61 and 62 in the opening direction C.

Similarly, the outer shell 35 is divided into two (plural examples) split shells 66 and 67 in the circumferential direction B, and the insertion sponge 36 is also divided into two (plural examples) split sponges in the circumferential direction B. It is divided into 69 and 70. As a result, one split member 61 has one split shell 66 and a split sponge 69, and the other split member 62 has the other split shell 67 and split sponge 70.

Further, the tension coil spring 64 is attached between the upper portions of the split shells 66 and 67. As a result, the dividing members 61 and 62 rotate around the hinge mechanism 63, and the lower portion of the outer fitting member 31 opens and closes. Therefore, the outer fitting member 31 is both as shown in FIGS. 11, 14, and 16. It becomes an annular shape that can be externally fitted to the insertion port 104 with the dividing members 61 and 62 closed, and from the insertion port 104 with both dividing members 61 and 62 open as shown in FIGS. 12, 15, and 17. It becomes possible to leave.

Further, the entry member 11 of the lubricant coating jig 3 for the socket is a circular mounting plate 14, a circular tubular core material 15 provided on the mounting plate 14, and a receiver provided on the outer circumference of the core material 15 over the entire circumference. It has a mouth sponge 16. The mounting plate 14 is attached to one end of the split shell 66 of one of the split members 61 in the axial direction A.

Further, as shown in FIG. 18, the outer shell 35 is attached to the lower end portion of the operating rod 72. The operating rod 72 has a straight rod portion 73 and a pair of left and right arms 74, 75 provided at the lower end portion of the straight rod portion 73 and branched into a bifurcated shape. The upper ends of both arms 74 and 75 are rotatably connected to the lower end of the straight rod portion 73 via a connecting pin 76.

Further, the lower end of one arm 74 is connected to one of the split shells 66 via a connecting pin 77 so as to be relatively rotatable, and the lower end of the other arm 75 is connected to the connecting pin 77 via a connecting pin 77. It is connected to the other split shell 67 so as to be relatively rotatable.

The operation in the above configuration will be described below.

As shown in FIG. 18, when the operator lifts the lubricant coating device 1 by holding the operating rod 72, the split members 61 and 62 are opened by the urging force (tensile force) of the tension coil spring 64. In this state, the lubricant coating device 1 is lowered from the ground into the groove 52, and as shown in FIG. 19, the central connecting portion 80 (that is, the portion connected by the hinge mechanism 63) of both the dividing members 61 and 62 is from above. By abutting on the upper end of the insertion port 104, the two dividing members 61 and 62 rotate in the closing direction D by their own weight with the central connecting portion 80 as a fulcrum against the urging force of the tension coil spring 64. close. As a result, as shown in FIGS. 20 and 21, the outer fitting member 31 forms an annular shape and is externally fitted into the insertion slot 104, and the insertion sponge 36 hits the outer circumference 104a of the insertion opening 104 and the protrusion 110. In contact with each other, it is compressed in the radial direction R, and the lubricant 111 is released from the insertion sponge 36 and applied to the outer circumference 104a and the protrusion 110 of the insertion opening 104.

After that, as shown in FIG. 22, the operating rod 72 is operated to move the lubricant coating device 1 in the axial direction A, and the plunging member 11 is inserted into the receiving port 102, whereby the receiving sponge 16 receives. It abuts on the inner circumference 105a of the seal member 105 in the mouth 102 and is compressed in the radial direction R, and the lubricant 111 is released from the receiving sponge 16 and applied to the inner circumference 105a of the seal member 105.

At this time, since the mounting plate 14 comes into contact with the end surface of the receiving port 102, the insertion amount (insertion depth) of the inrush member 11 can be regulated to a predetermined dimension, so that the receiving sponge 16 presses the sealing member 105. It is possible to prevent the lock ring 108 from being crossed over.

After that, the lubricant application device 1 is moved in the axial direction A, the entry member 11 is removed from the receiving port 102, and then the operating rod 72 is lifted to pull up the lubricant application device 1. As a result, as shown in FIG. 18, the two dividing members 61 and 62 are opened by the urging force of the tension coil spring 64 and are separated upward from the insertion port 104, so that the lubricant application device 1 is pulled up from the groove 52.

By using such a lubricant application device 1, as shown in FIG. 21, the distance E between the receiving port 102 and the insertion port 104 required when applying the lubricant 111 can be narrowed.

In the third embodiment, as shown in FIG. 20, both the dividing members 61 and 62 rotate in the closing direction D due to their own weight to form a completely closed circle, and the outer circumference of the insertion port 104. Although it is hugged by 104a, it may not be a completely closed circle, and a slight gap may be opened between the lower ends of the two dividing members 61 and 62. In this case, by operating the operating rod 72 to rotate the lubricant coating device 1 in the circumferential direction B (direction around the tube axis), the split sponges 69 and 70 rotate in the circumferential direction B together with the lubricant coating device 1. Since it moves, the lubricant 111 can be evenly and evenly applied to the outer circumference 104a of the insertion port 104.

In the third embodiment, as shown in FIGS. 12 and 17, the outer fitting member 31 is divided into two dividing members 61 and 62 in the circumferential direction B, but is divided into three or more. You may.

In each of the above embodiments, sponges 16 and 36 are used as an example of the lubricant impregnating member for the socket and the lubricant impregnating member for the insertion, but the sponge is not limited to the sponge, and for example, a brush or the like is used. May be good.

In each of the above embodiments, the case where the lubricant 111 is applied to the seal member 105 in the receiving port 102 of the pipes 101 and 103 buried in the ground and the outer circumference 104a of the insertion port 104 is applied, but the lubricant 111 is laid on the ground. It may be applied to the pipe.

1 Glidant application tool 3 Glidant application jig for socket 4 Glidant application jig for insertion 11 Rush member 12 Connecting frame 15 Core material 16 Sponge for socket (Glidant impregnation member for socket)
31 Outer fitting member 32 Leg 33 Operation lever (operation rod)
35 Outer shell 36 Sponge for insertion (member impregnated with lubricant for insertion)
61, 62 Dividing member 63 Hinge mechanism (connecting member)
101, 103 Pipe 102 Receiving port 104 Insertion port 105 Sealing member 111 Lubricants A Axial center direction R Radial direction

Claims (8)

It is a lubricant application jig for the socket that applies a liquid lubricant to the annular seal member installed in the socket of the pipe.
It has a plunging member that can be inserted into the socket and an operating rod.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
Receptacle for a lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from receptacle for a lubricant impregnated member by abutting on the inner periphery of the seal member,
The operating rod is a lubricant coating jig for a socket, which is detachable from the outer periphery of the lubricant coating jig for a socket in the radial direction . It is a lubricant application jig for insertion that applies liquid lubricant to the outer circumference of the insertion port of the pipe.
It has an outer fitting member that can be externally fitted to the insertion port and an operating rod .
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
Spigot for lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from spigot for lubricant impregnated member by abutting on the outer circumference of the spigot,
The operating rod is a lubricant coating jig for insertion, which is detachable on the outer periphery of the lubricant coating jig for insertion in the radial direction . It has a lubricant coating jig for the socket that applies a liquid lubricant to the annular seal member mounted in the socket of the pipe, and a lubricant coating jig for the socket that applies the liquid lubricant to the outer circumference of the socket of the pipe. It is a lubricant application device
The lubricant coating jig for the socket and the lubricant coating jig for the insertion port are separate jigs.
Receptacle for lubricant coating jig includes insertable inrush member within receptacle, and a cylindrical connecting frame,
The plunging member is provided on the connecting frame, and has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
Spigot for lubricant impregnated member, in a state impregnated with lubricant state, and are capable of releasing lubricant from spigot for lubricant impregnated member by abutting on the outer circumference of the spigot,
A lubricant coating device characterized in that the connecting frame of the lubricant coating jig for the socket and the outer shell of the lubricant coating jig for the insertion port can be detachably joined. The outer shell of the lubricant-applied jig for insertion has one end open and the other end closed.
The third aspect of claim 3 , wherein the entry member of the lubricant-coated jig for the socket can be inserted into and removed from one end of the outer shell of the lubricant-coated jig for the insertion port into the outer fitting member when not in use. Glidant application device. It has a lubricant coating jig for the socket that applies a liquid lubricant to the annular seal member mounted in the socket of the pipe, and a lubricant coating jig for the socket that applies the liquid lubricant to the outer circumference of the socket of the pipe. It is a lubricant application device
The lubricant coating jig for the socket has a plunge member that can be inserted into the socket.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and a lubricant-impregnated member for insertion provided on the inner circumference of the outer shell.
The lubricant-impregnated member for the insertion slot can release the lubricant from the lubricant-impregnated member for the insertion slot by contacting the outer periphery of the insertion slot in a state of being impregnated with the lubricant.
At least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion has an operating rod.
The operating rod is a lubricant coating device that can be attached to and detached from at least one of the outer periphery of the socket lubricant coating jig and the socket lubricant coating jig in the radial direction. The lubricant according to any one of claims 3 to 5, wherein at least one of the lubricant coating jig for the socket and the lubricant coating jig for the insertion has a leg for self-supporting on the outer periphery. Applying device. A lubricant coating jig for sockets that applies liquid lubricant to the annular seal member mounted inside the socket of the pipe, and a lubricant coating jig for sockets that applies liquid lubricant to the outer circumference of the socket of the pipe are integrated. It is a lubricant application device provided for the purpose.
The lubricant coating jig for the socket has a plunge member that can be inserted into the socket.
The plunging member has a core material and a lubricant impregnating member for a socket provided on the outer periphery of the core material.
The lubricant-impregnated member for the socket can release the lubricant from the lubricant-impregnated member for the socket by contacting the inner circumference of the seal member in a state of being impregnated with the lubricant.
The lubricant coating jig for the insertion port has an outer fitting member that can be externally fitted to the insertion port.
The outer fitting member has a tubular outer shell and an insertion lubricant impregnating member provided on the inner circumference of the outer shell, and is divided into a plurality of divided members in the circumferential direction.
The dividing members are connected by a connecting member so that they can be opened and closed.
The outer fitting member becomes an annular shape that can be externally fitted into the insertion slot with the split member closed, and can be detached from the insertion slot with the split member open.
The lubricant-impregnated member for the insertion slot can release the lubricant from the lubricant-impregnated member for the insertion slot by contacting the outer periphery of the insertion slot in a state of being impregnated with the lubricant.
A lubricant application device characterized in that the entry member of the lubricant application jig for a socket is attached to any of the split members. The lubricant coating device according to any one of claims 3 to 7, wherein the lubricant impregnating member for the socket and the lubricant impregnating member for the insertion are each sponge.

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