JP2012082005A - Lubricant cartridge container, and method for using the same - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lubricant cartridge container that allows the remainder of fluid lubricant such as grease or oil remaining inside the container after use to be reduced, and to provide a method for using the same.SOLUTION: The lubricant cartridge container includes: a cylindrical member 12 attached to the connecting member 40 of a lubricating pump 200 and adapted to receive a suction force from the lubricating pump to supply a fluid lubricant L to the lubricating pump 200 through a lubricant inlet 20; a moving member 24 for a receiving suction force from the lubricating pump and moving inside the cylindrical member 12 toward the lubricant inlet together with the flow of the fluid lubricant L toward the lubricant inlet; and an elastic sealing member 30 provided at the moving member 24 and adapted to press against the inside surface of the cylindrical member 12 to maintain an airtight condition between the outside surface of the moving member 24 and the inside surface of the cylindrical member 12.

Description

  The present invention relates to a cartridge cartridge for lubricant that is attached to various lubrication pumps that supply fluid lubricant (such as grease or oil) as appropriate for the purpose of lubrication of machine tools and industrial machines. And a method of using the cartridge container for lubricant.

  The conventional bellows-shaped lubricant cartridge container has a screw portion inserted into a connection member of a lubrication pump (not shown), and a crest portion and a trough portion that are connected to the screw portion and are alternately formed in the axial direction. And an accordion portion that can expand and contract in the axial direction.

  By attaching the thread portion of the lubricant cartridge container to the connection member of the lubrication pump, the lubricant cartridge container is connected to the lubrication pump. Then, the lubricant filled in the lubricant cartridge container is injected (or flows) into the lubrication pump through the screw portion. Further, when the lubricant inside the lubricant cartridge container is injected into the lubrication pump, the bellows portion of the lubricant cartridge container contracts.

JP 2008-087779 A JP 2003-95355 A

  By the way, the bellows-shaped lubricant cartridge container shrinks the bellows portion when the internal lubricant is injected into the lubrication pump, but at this time, there is a problem that the lubricant adheres to the peak portion and remains. . For this reason, the cartridge container for lubricant was discarded with the lubricant remaining.

  On the other hand, if the thickness of the lubricant cartridge container is reduced in order to reduce the remaining amount of lubricant, the strength of the lubricant cartridge container decreases, and a portion of the lubricant cartridge container is simplified. There is also a risk of breaking.

  SUMMARY OF THE INVENTION Accordingly, an object of the present invention is to provide a lubricant cartridge container and a method of using the lubricant cartridge container that can reduce the remaining amount of fluid lubricant such as grease and oil remaining inside after use. And

  The present invention relates to a cartridge container for a lubricant which is attached to a connecting member of the lubrication pump having a lubricant inflow portion for guiding the fluid lubricant to the lubrication pump and supplies the fluid lubricant to the lubrication pump. The fluidity lubricant is configured to be filled, and is attached to the connection member of the lubrication pump, receives the suction force from the lubrication pump side, and passes through the lubricant inflow portion to the lubrication pump. The fluid lubricant is accommodated in a space formed between a cylindrical member for supplying the lubricant and the lubricant inflow portion in a state where the cylindrical member is attached to the connection member of the lubrication pump. The cylindrical member is arranged inside the cylindrical member, receives the suction force from the lubrication pump side, and flows into the lubricant inflow portion side of the fluid lubricant, and the lubricant inside the cylindrical member Inflow A moving member that moves to the side, and an elastic seal member that is provided on the moving member and that is in pressure contact with the inner surface of the cylindrical member to maintain an airtight state between the outer surface of the moving member and the inner surface of the cylindrical member It is characterized by having.

  With this configuration, the moving member accommodates the fluid lubricant in the space formed between the moving member and the lubricant inflow portion in a state where the cylindrical member is attached to the connection member of the lubrication pump. It is arrange | positioned inside the cylindrical member. When receiving the suction force from the lubrication pump side, the fluid lubricant flows to the lubricant inflow portion side and the moving member moves to the lubricant inflow portion side in the cylindrical member. At this time, since the moving member is provided with an elastic seal member, the elastic seal member is pressed against the inner surface of the cylindrical member to maintain an airtight state between the outer surface of the moving member and the inner surface of the cylindrical member. To do. Thus, when supplying the fluid lubricant of the cylindrical member to the lubrication pump, the fluid lubricant filled in the cylindrical member flows along the inner surface (inner peripheral surface) of the cylindrical member. However, the cylindrical member has no bellows and the inner surface of the cylindrical member has a smooth surface with no peaks or valleys, so that the fluid lubricant remains on the inner surface of the cylindrical member. Absent.

  In particular, the elastic seal member provided on the moving member is pressed against the inner surface of the cylindrical member, and the elastic seal member scrapes off the fluid lubricant adhered to the inner surface of the cylindrical member as the moving member moves. Therefore, it is possible to reliably prevent the fluid lubricant from staying on the inner surface of the cylindrical member.

  The elastic seal member is pressed against the inner surface of the cylindrical member to maintain an airtight state between the outer surface of the moving member and the inner surface of the cylindrical member. It is possible to prevent the fluid lubricant from passing through between the inner surface of the cylindrical member and the fluid lubricant from flowing out to the back side of the elastic seal member. As a result, almost all of the fluid lubricant filled in the lubricant cartridge container can be supplied to the lubrication pump, and the fluid lubricant can be prevented from remaining inside the lubricant cartridge container.

  In this case, the cylindrical member has a shoulder portion located on the outer surface side of the lubricant inflow portion when attached to the connection member of the lubrication pump, and the elastic seal member includes the moving member. A first seal portion that contacts the shoulder when moving inside the cylindrical member and reaches the shoulder, and contacts the lubricant inflow portion after the first seal contacts the shoulder It is preferable to have a second seal portion.

  With this configuration, the cylindrical member has a shoulder located on the outer surface side of the lubricant inflow portion when attached to the connection member of the lubrication pump. The elastic seal member includes a first seal portion that contacts the shoulder portion when the moving member moves inside the cylindrical member and reaches the shoulder portion, and a lubricant inflow portion after the first seal portion contacts the shoulder portion. A second seal portion in contact with the second seal portion.

  Here, in response to the suction force from the lubrication pump side, the moving member moves to the shoulder side of the cylindrical member along with the flow of the fluid lubricant. The volume of the space part (the space part in which the fluid lubricant is accommodated) formed by the partition decreases with the movement of the moving member when receiving the suction force. And the 1st seal | sticker part of a moving member contacts a shoulder part. At this time, since the fluid lubricant that has been interposed between the first seal portion and the shoulder portion of the moving member flows toward the lubricant inflow portion, the first seal portion and the shoulder portion of the moving member In this gap, almost no fluid lubricant remains. Further, after the first seal portion of the moving member comes into contact with the shoulder portion, the second seal portion comes into contact with the lubricant inflow portion. At this time, the fluid lubricant that was interposed between the second seal portion of the moving member and the lubricant inflow portion (the fluid lubricant that was interposed between the first seal portion and the shoulder of the moving member) Is gradually supplied to the lubrication pump through the lubricant inflow portion.

  As described above, first, the first seal portion of the moving member contacts the shoulder portion of the cylindrical member, and after a predetermined time has elapsed, the second seal portion of the moving member contacts the lubricant inflow portion. As described above, since the volume of the space portion of the cylindrical member filled with the fluid lubricant is gradually decreased with a time interval (with a time difference), the fluid lubrication inside the cylindrical member is performed. Most of the agent can be efficiently supplied to the lubrication pump. As a result, the remaining amount of the fluid lubricant remaining inside the cylindrical member can be reduced.

  In this case, the second seal portion is configured to protrude to the side opposite to the shoulder portion side with respect to the first seal portion, and the second seal portion includes a central portion that contacts the lubricant inflow portion, It is preferable to have a step portion that connects the center portion and the first seal portion.

  With this configuration, the second seal portion is configured to protrude to the side opposite to the shoulder portion with respect to the first seal portion, and the second seal portion includes a central portion that contacts the lubricant inflow portion, a central portion, and a first portion. And a step portion for connecting the one seal portion.

  Thus, by forming the step portion in the second seal portion, the rigidity is increased by the amount corresponding to the step portion, and the strength of the second seal portion is increased. And since the intensity | strength of a 2nd seal part becomes high, it has a countermeasure force with respect to the external force which acts on a 2nd seal part. Moreover, when an external force acts on the step portion of the second seal portion, the step portion is elastically deformed, and a large external force can be absorbed by the step portion (second seal portion). As a result, the strength of the entire elastic seal member can be increased.

  In this case, it is preferable that the step portion is elastically deformed when the central portion contacts the lubricant inflow portion.

  With this configuration, the step portion is elastically deformed when the central portion contacts the lubricant inflow portion. Thereby, the second seal part receives a suction force and can smoothly move when the center part contacts the lubricant inflow part. In other words, since the step portion is elastically deformed, the step portion can be provided with the function of guiding the movement of the center portion toward the lubricant inflow portion side, thereby preventing poor contact between the center portion and the lubricant inflow portion. it can. As a result, most of the fluid lubricant inside the cylindrical member can be efficiently supplied to the lubrication pump, and the remaining amount of fluid lubricant remaining inside the cylindrical member can be reduced. .

  In addition, since the step part itself elastically deforms, the applied external force can be stored in the step part as elastic energy, and therefore the strength of the step part can be further increased. As a result, the strength of the entire elastic seal member can be further improved.

  In this case, it is preferable that the elastic seal member is provided with a refill prevention mechanism for preventing refilling of the fluid lubricant with respect to the cylindrical member.

  With this configuration, the elastic seal member is provided with a refill prevention mechanism for preventing refilling of the fluid lubricant into the cylindrical member. Thereby, it is possible to prevent the fluid lubricant from being refilled into the interior of the tubular member (a space formed by the shoulder portion of the tubular member and the moving member). In addition, it is easy to identify an illegal act (injustice) that attempts to refill the fluid lubricant in the interior of the tubular member (a space formed by the shoulder of the tubular member and the moving member). Can do.

  In this case, the refill prevention mechanism receives the fluid lubricant through the passage hole and receives the suction force to close the passage hole and prevent the fluid lubricant from flowing out of the passage hole. In addition, it is preferable to include a closing member that receives the pressing force when the pressing force is applied, opens the passage hole, and allows the fluid lubricant to flow out of the passage hole.

  With this configuration, when a suction force is applied from the lubrication pump side, the passage hole of the refill prevention mechanism is closed by the closing member due to the suction force, and the outflow of the fluid lubricant from the passage hole is prevented. The

  On the other hand, when refilling the cylindrical member with the fluid lubricant, a pressing force acts on the refill prevention mechanism. When a pressing force is applied to the refill prevention mechanism, the pressing force also acts on the closing member, so that the closing member is pressed to open the passage hole, and the refilled fluid lubricant passes. It flows out from the hole to the back side of the moving member (the side opposite to the lubricant inflow portion side). As a result, even if an attempt is made to refill the tubular member with the fluid lubricant, the refilled fluid lubricant flows out from the passage hole, so that the shoulder portion of the tubular member and the moving member are partitioned. It does not collect in the space. As a result, the fluid lubricant cannot be refilled inside the tubular member (a space formed by the shoulder of the tubular member and the moving member).

  In addition, since the refilled fluid lubricant flows out from the passage hole to the back side of the moving member (the side opposite to the lubricant inflow portion side), the inside of the cylindrical member (the shoulder portion of the cylindrical member and the moving member) It is possible to leave evidence of a trace of refilling the fluid lubricant in the space formed by the compartment. As a result, it is possible to easily identify an unauthorized act (incorrect fact) that attempts to refill the fluid lubricant in the tubular member (a space formed by the shoulder of the tubular member and the moving member). be able to.

  In addition, after the fluid lubricant filled in the lubricant cartridge container is supplied to the lubrication pump, the manufacturer (provider) of the lubricant cartridge container determines that the fluid lubricant has become empty. Collect the cartridge cartridge for the customer from the customer and check whether there is any abnormality such as damage or scratch. If there is no abnormality, the manufacturer (provider) of the cartridge cartridge for lubricant will flow again into the cartridge cartridge for lubricant. It is preferable to recycle by filling a functional lubricant. Thereby, since the resource called the cartridge container for lubricants can be used effectively, the amount of dust can be reduced, global warming can be prevented, and as a result, the environment can be protected.

  According to the present invention, the remaining amount of fluid lubricant such as grease or oil remaining inside after use can be reduced.

It is explanatory drawing of the cartridge container for lubricants concerning 1st Embodiment of this invention. It is a block diagram of the state which the 1st seal part of the elastic seal member of the cartridge container for lubricants concerning 1st Embodiment of this invention contacted the shoulder part of a cylindrical member, and the 2nd seal part contacted the level switch. . The block diagram of the state which the 1st seal part of the elastic seal member of the cartridge container for lubricants concerning 1st Embodiment of this invention contacted the shoulder part of a cylindrical member, and the 2nd seal part contacted the lubricant inflow part. It is. It is explanatory drawing which showed the state which a fluid lubricant flows backward from the refill prevention mechanism provided in the elastic seal member of the cartridge container for lubricants concerning 1st Embodiment of this invention. It is a modification of the cartridge container for lubricants concerning 1st Embodiment of this invention, and is explanatory drawing of the cartridge container for lubricants provided with the elastic seal member in which the pressure piece was provided with two or more by the axial direction. It is explanatory drawing of the structure by which the fracture | rupture part was provided in the connection member side with which the cartridge container for lubricants concerning 1st Embodiment of this invention is mounted | worn. It is explanatory drawing which showed the state with which the cartridge container for lubricants concerning 1st Embodiment of this invention was mounted | worn with the lubrication pump. It is explanatory drawing which showed the modification of the refill prevention mechanism of the cartridge container for lubricants which concerns on 1st Embodiment of this invention, (A) is the state by which the press-fit component was filled in the refill prevention cylinder at the time of normal use (B) is a figure of the state by which the press-fit component was extruded from the refill prevention cylinder with the pressing force which arises when refilling a fluid lubricant. It is the figure which showed the modification of the press-fit component demonstrated by FIG. 8, (A) is a figure of the state with which the modification of the press-fit part was filled in the refill prevention cylinder at the time of normal use, (B) It is a figure of the state by which the modified example of the press-fit component was extruded from the refill prevention cylinder with the pressing force which arises when refilling fluid lubricant.

  A lubricant cartridge container according to a first embodiment of the present invention will be described with reference to the drawings. Note that the lubricant cartridge container of the present embodiment accommodates a fluid lubricant such as grease or oil supplied to the lubrication pump. Therefore, during normal use, the lubricant cartridge container is mounted on the lubrication pump. The lubrication pump supplies a fluid lubricant (referred to as “lubricant” as appropriate) such as grease and oil for the purpose of lubrication of machine tools and industrial machines. The configuration of the lubrication pump is not particularly limited, but an example thereof will be described later.

  As shown in FIGS. 1 to 3, the lubricant cartridge container 10 includes a cylindrical member 12 having a cylindrical shape. The cylindrical member 12 functions as a casing body that houses a fluid lubricant (referred to as “lubricant” as appropriate) L such as grease or oil used for the purpose of lubrication of machine tools, industrial machines, and the like. The outer peripheral surface and inner peripheral surface of the cylindrical member 12 are formed into smooth curved surfaces. For this reason, the bellows part and the unevenness | corrugation are not formed in the outer peripheral surface and inner peripheral surface of a container like the cartridge container for lubricants of a prior art. Thereby, the fluid lubricant L does not accumulate on the inner peripheral surface of the cylindrical member 12 (does not remain). The material of the cylindrical member 12 is not particularly limited, but for example, transparent polyester resin, milky white polypropylene (PP), transparent polyethylene (PE), and the like are preferable.

  A lid portion 14 is disposed at one end portion in the axial direction of the cylindrical member 12. When the lid portion 14 is attached to the one end portion in the axial direction of the tubular member 12, the one end portion in the axial direction of the tubular member 12 is closed by the lid portion 14. For this reason, the fluid lubricant L accommodated inside the cylindrical member 12 does not leak out from one end portion in the axial direction of the cylindrical member 12.

  A shoulder portion 16 is formed at the other axial end portion of the cylindrical member 12. The shoulder portion 16 is constituted by a reduced diameter portion obtained by reducing the diameter of the cylindrical member 12. The shoulder portion 16 is inclined downward from the radially outer side toward the radially inner side in a state where the lubricant cartridge container 10 is attached to the lubrication pump 200 (see FIG. 7). The shoulder portion 16 is not limited to the inclined configuration, and is horizontal from the radially outer side to the radially inner side in a state where the lubricant cartridge container 10 is attached to the lubricating pump 200. May be.

  A neck portion 18 is formed on the radially inner side of the shoulder portion 16. The neck portion 18 is formed in a cylindrical shape as a whole, and the lubricant inflow portion 18 for guiding the fluid lubricant L to the lubrication pump 200 in a state where the lubricant cartridge container 10 is attached to the lubrication pump 200. It is located on the outside in the radial direction. Note that the lubricant inflow portion 18 is attached to the connection member 40 of the lubrication pump 200. A screw portion 22 (for example, a male screw portion) is formed on the outer peripheral surface of the neck portion 18. The threaded portion 22 on the outer peripheral surface of the neck portion 18 is screwed into a threaded portion 42 (for example, a female threaded portion) formed on the connecting member 40, whereby the lubricant cartridge container 10 is attached to the lubrication pump 200.

  A moving member 24 is provided inside the cylindrical member 12. The moving member 24 moves along the axial direction of the cylindrical member 12. In particular, the moving member 24 moves toward the other axial side of the cylindrical member 12 (lubricant inflow portion 20 side) by receiving a suction force acting from the lubricating pump 200 side. The moving member 24 includes a cylindrical moving member main body 26. A through hole 28 is formed in the central portion of the moving member body 26 in the radial direction. The moving member main body 26 includes a cylindrical portion 26A that faces the inner peripheral surface of the cylindrical member 12, and a seal material mounting portion 26B that is integrally formed with the cylindrical portion 26A and extends obliquely inward in the radial direction. Yes. A groove portion 26C is formed in the sealing material attachment portion 26B. A hook portion 32B of an elastic seal member 30 described later is bonded to the groove portion 26C. The sealing material attachment portion 26B functions as an attachment portion for attaching the elastic seal member 30.

  An elastic seal member 30 made of rubber or resin that can be elastically deformed (for example, bending deformation) is attached to the seal material attachment portion 26B. The elastic seal member 30 includes a first seal portion 32 that contacts the shoulder portion 16 when the moving member 24 moves inside the tubular member 12 and reaches the shoulder portion 16, and the first seal portion 32 is the shoulder portion 16. And a second seal portion 34 that contacts the lubricant inflow portion 20 after a predetermined time has passed.

  The first seal portion 32 is formed on the outer side in the radial direction and is in pressure contact with the inner peripheral surface of the cylindrical member 12, the hook portion 32 </ b> B bonded to the groove portion 26 </ b> C, and the seal material attachment portion 26 </ b> B. And a bottom surface portion 32C. In a state where the moving member 24 is disposed inside the tubular member 12, the pressure piece 32 </ b> A is pressed against the inner peripheral surface of the tubular member 12 and elastically deforms. Note that the elastic deformation of the pressure piece 32 </ b> A is maintained even when the moving member 24 moves inside the cylindrical member 12. Due to the action of the pressure piece 32 </ b> A of the elastic seal member 30, when the moving member 24 is arranged inside the cylindrical member 12 or when the moving member 24 moves inside the cylindrical member 12, It is possible to prevent the fluid lubricant L from passing between the surface and the inner peripheral surface of the cylindrical member 12. That is, when the moving member 24 moves inside the cylindrical member 12, the pressure piece 32 </ b> A of the elastic seal member 30 scrapes out the fluid lubricant L attached to the inner peripheral surface of the cylindrical member 12 from the inner peripheral surface. Therefore, the fluid lubricant L does not adhere to the inner peripheral surface of the cylindrical member 12, and the fluid lubricant L flows to the back side (the lid portion 14 side) of the moving member 24. I can stop.

  The second seal portion 34 is configured to protrude to the side opposite to the shoulder portion 16 side (the lid portion 14 side) with respect to the first seal portion 32. That is, the second seal portion 34 is a step of connecting the central portion 34A that is in contact with the level switch 70 and the lubricant inflow portion 20, and the central portion 34A and the radially inner end portion of the bottom surface portion 32C of the first seal portion 32. Part 34B. The central portion 34A of the second seal portion 34 has a flat portion formed in a flat shape, and after a predetermined time has elapsed since the first seal portion 32 contacts the shoulder portion 16, the lubricant inflow portion 20 is provided. To touch. That is, the central portion 34 </ b> A of the second seal portion 34 contacts the lubricant inflow portion 20 in a time difference after the first seal portion 32 contacts the shoulder portion 16. Here, when the central portion 34A of the second seal portion 34 contacts the lubricant inflow portion 20, the step portion 34B is elastically deformed. Due to the elastic deformation of the stepped portion 34B, the central portion 34A of the second seal portion 34 approaches and contacts the contact surface of the lubricant inflow portion 20 in a substantially parallel state. As described above, the step 34B is elastically deformed, so that the movement path when the center portion 34A of the second seal portion 34 approaches the lubricant inflow portion 20 is kept normal, and the center of the second seal portion 34 is maintained. It is realized that the portion 34 </ b> A smoothly contacts the lubricant inflow portion 20. Further, by forming a step between the bottom surface portion 32C of the first seal portion 32 and the central portion 34A of the second seal portion 34 by the step portion 34B and connecting the two, the rigidity of the elastic seal member 30 is made stepped. Increase by the volume of 34B. Thereby, even when an external force is applied between the bottom surface portion 32C of the first seal portion 32 and the central portion 34A of the second seal portion 34, the stepped portion 34B having high rigidity is elastically deformed, so that the energy of the external force is reduced. It is converted into elastic energy of the step portion 34B and accumulated in the step portion 34B. Thus, the strength of the entire elastic seal member can be improved by increasing the volume of the elastic seal member 30 and increasing the rigidity.

  The elastic seal member 30 is provided with a refill prevention mechanism 50 for preventing the fluid lubricant L from being refilled into the tubular member 12. The refill prevention mechanism 50 mainly receives a suction force and a cylindrical refill prevention cylinder 52, a first outflow hole 54 (passage hole) that is a passage hole through which the fluid lubricant L can pass. The outflow hole 54 is closed to prevent outflow of the fluid lubricant L from the first outflow hole 54, and when the pressing force is applied, the first outflow hole 54 is opened by receiving the pressing force and the first outflow hole 54 is opened. And a ball 56 (blocking member) that is a blocking member that allows the flowable fluid lubricant L to flow out.

  Specifically, a cylindrical refill prevention cylinder 52 is formed at the center part 34A of the second seal part 34 so as to protrude toward the lid part 14 side. A first outflow hole 54 (passing hole) penetrating through the central portion 34A in the thickness direction is formed at a portion of the central portion 34A of the second seal portion 34 where the refill prevention cylinder 52 is formed. A stopper 58 is provided at one end in the axial direction of the refill prevention cylinder 52 (on the side opposite to the first outflow hole 54 side). A second outflow hole 60 that is a through hole is formed in the stopper 58. A small coil spring 62 and a ball 56 are accommodated in the refill prevention cylinder 52. The coil spring 62 is interposed between the ball 56 and the stopper 58 and applies an elastic force to the ball 56 in a predetermined case. The ball 56 opens or closes the first outflow hole 54 according to the direction and the magnitude of the acting pressure. That is, the ball 56 has a function of opening or closing the first outflow hole 54 according to a dynamic environment.

  Here, the dynamic environment in which the ball 56 opens or closes the first outflow hole 54 will be described in detail.

  The ball 56 closes the first outflow hole 54 in a normal state where no pressing force is applied to the ball 56 from the lubrication pump 200 side or in a state where only the suction force is acting on the ball 56 from the lubrication pump 200 side. . At this time, one end portion of the coil spring 62 is in contact with the ball 56 in a state where no elastic force is applied or in a state where a small elastic force is applied. In a state where the ball 56 closes the first outflow hole 54, the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 passes through the refill prevention mechanism 50 and the back side of the moving member 24. It does not flow out into the space 66 formed on the lid 14 side. On the other hand, in the refilling state in which the pressing force is applied to the ball 56 from the lubrication pump 200 side, the ball 56 receives the pressing force. At this time, when the ball 56 receives a pressing force, the ball 56 tries to move in the direction of opening the first outflow hole 54, but since the elastic force acts from the coil spring 62, the first force depends on the magnitude of the force. It is determined whether or not one outflow hole 54 is opened.

  That is, when the pressing force acting on the ball 56 is smaller than the elastic force from the coil spring 62 (pressing force <elastic force), the ball 56 does not move and the closed state of the first outflow hole 54 is maintained. Is done. In this state, the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 passes through the first outflow hole 54 and the second outflow hole 60 of the refill prevention mechanism 50, and is behind the moving member 24. It does not flow out into the space 66 formed on the lid 14 side.

  On the other hand, as shown in FIG. 4, when the pressing force acting on the ball 56 is larger than the elastic force from the coil spring 62 (pressing force> elastic force), the ball 56 has an elasticity of the coil spring 62. The coil spring 62 is pressed against the force and contracts, and the first outflow hole 54 is eventually opened. In this state, the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 passes through the first outflow hole 54 and the second outflow hole 60 of the refill prevention mechanism 50, and is behind the moving member 24. It flows out into the space 66 formed on the (lid 14 side). For this reason, the fact that the fluid lubricant L is refilled is immediately found.

  In the state where the ball 56 closes the first outflow hole 54, the ball 56 at the time of refilling the fluid lubricant L is adjusted by adjusting the magnitude of the elastic force acting on the ball 56 from the coil spring 62. Therefore, the opening timing of the first outflow hole 54 can be freely set (adjusted).

  As described above, the cartridge container 10 for lubricant is mainly composed of the cylindrical member 12, the moving member 24, the elastic seal member 30, and the refill prevention mechanism 50. Then, from the unused state of the fluid lubricant L to the time when the bottom surface portion 32 </ b> C of the first seal portion 32 of the elastic seal member 30 contacts the shoulder portion 16, the shoulder portion 16 of the cylindrical member 12 and the moving member 24. Between the two, a filling space 64 is formed. Note that the volume of the filling space 64 gradually decreases as the moving member 24 moves toward the shoulder 16 in the cylindrical member 12. Further, as the moving member 24 moves toward the shoulder portion 16 inside the cylindrical member 12, a space portion 66 is formed between the lid portion 14 and the moving member 24, and the volume of the space portion 66 is increased. Gradually grows.

  In the unused cartridge container 10 (see FIG. 1), the volume of the filling space 64 is maximized, and the filling space 64 is filled with the fluid lubricant L. Then, when the fluid lubricant L is supplied to the lubrication pump 200, the moving member 24 moves to the shoulder 16 side inside the cylindrical member 12, and the volume of the filling space portion 64 becomes small, The amount of the fluid lubricant L that has been filled also decreases. In the unused cartridge container 10 for lubricant, the space 66 is not formed or only slightly formed.

Here, the configuration of the connection member 40 of the lubrication pump 200 will be described.
As shown in FIGS. 1 to 3, the connection member 40 includes a support portion 44 that supports the shoulder portion 16 of the cylindrical member 12 of the lubricant cartridge container 10. The connecting member 40 is formed with a lubricant inflow portion 20 for guiding the fluid lubricant L to the lubrication pump 200 side. As described above, a screw portion 42 (female screw portion) that is screwed with the screw portion 22 of the cylindrical member 12 of the lubricant cartridge container 10 is formed on the radially outer side of the lubricant inflow portion 20.

  The lubricant inflow portion 20 is formed in a cylindrical shape in appearance, and a level switch 70 is disposed therein. The level switch 70 includes a stop signal for stopping the suction force acting from the lubrication pump 200 side when the fluid lubricant L filled in the lubricant cartridge container 10 runs out, and the lubricant cartridge container. 10 is used to output a replacement signal indicating that the cartridge 10 is to be replaced, and to output a warning sound indicating when the lubricant cartridge container 10 is replaced.

  The level switch 70 is formed in a cylindrical shape, and a through hole 72 is formed therein. A protrusion 74 is formed on the outer surface of the level switch 70, and a small coil spring 78 is disposed between the protrusion 74 and the support surface 76 of the lubricant inflow portion 20. For this reason, the level switch 70 is supported by the coil spring 78. Here, in a state where no external force is applied to the level switch 70, the tip end portion of the level switch 70 protrudes outside the lubricant inflow portion 20 (moving member 24 side). An inflow hole 80 is formed in the level switch 70. The fluid lubricant L supplied from the lubricant cartridge container 10 passes through the inflow hole 80 and is guided into the lubrication pump 200. Further, a filter 82 is disposed inside the level switch 70. This filter 82 has a function of preventing foreign matter from entering the lubrication pump 200 side when foreign matter such as dust is mixed in the fluid lubricant L supplied from the cartridge container 10 for lubricant. Yes. In addition, the said filter 82 is not an essential structural member, The structure in which the filter 82 is not provided is also object.

  In addition, the level switch 70 demonstrated above is not restricted to the structure arrange | positioned at the lubricant inflow part 20. FIG. The configuration provided with the level switch 70 is an example, and the lubricant cartridge container 10 is also attached to the connection member 40 where the level switch 70 is not disposed in the lubricant inflow portion 20. Can do.

  Next, the operation of the lubricant cartridge container 10 of the first embodiment will be described.

  As shown in FIGS. 1 to 3, the lubricant cartridge container 10 is first mounted on the lubrication pump 200. In order to attach the lubricant cartridge container 10 to the lubrication pump 200, a screw portion 22 (for example, a male screw portion) formed on the outer peripheral surface of the neck portion 18 of the cylindrical member 12 constituting the lubricant cartridge container 10. The cylindrical member 12 is rotated so as to be screwed into a screw portion 42 (for example, a female screw portion) formed in the connection member 40. Thereby, the cylindrical member 12 moves to the mounting surface side of the connection member 40, and the lubricant cartridge container 10 is mounted on the lubrication pump 200. At this time, the lubricant inflow portion 20 is inserted into the neck portion 18.

  When a suction force is applied from the lubrication pump 200 side, the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 of the lubricant cartridge container 10 receives the suction force and receives the lubricant inflow portion. Move (flow) to the 20 side. The fluid lubricant L that has moved to the lubricant inflow portion 20 side enters the lubrication pump 200 through the inflow hole 80 of the level switch 70. Thereby, the fluid lubricant L is supplied to the lubrication pump 200.

  Here, when the suction force continues to act from the lubrication pump 200 side, the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 of the cartridge container 10 for lubricant is successively supplied to the lubricant inflow portion 20. It enters the inside of the lubrication pump 200 through (the inflow hole 80 of the level switch 70). Thereby, the volume of the fluid lubricant L filled in the filling space 64 of the cylindrical member 12 of the cartridge container 10 for lubricant is reduced. Accordingly, the moving member 24 similarly receives the suction force, and the moving member 24 moves to the shoulder 16 side of the cylindrical member 12.

  Since the pressure piece 32 </ b> A of the elastic seal member 30 attached to the moving member 24 presses the inner peripheral surface of the cylindrical member 12 with a predetermined pressure, the pressure piece 32 </ b> A is connected to the inner periphery of the cylindrical member 12. Under the reaction force from the surface, it is always elastically deformed. For this reason, the space between the outer peripheral surface of the moving member 24 and the inner peripheral surface of the cylindrical member 12 is maintained in an airtightly sealed state. Thereby, the fluid lubricant L does not pass between the outer peripheral surface of the moving member 24 and the inner peripheral surface of the cylindrical member 12 and move to the space portion 66. Further, as the moving member 24 moves inside the cylindrical member 12 toward the lubricant inflow portion 20 side, the fluid lubricant L having the pressure pieces 32A attached to the inner peripheral surface of the cylindrical member 12 is removed from the inner peripheral surface. Since it is scraped off and removed, the fluid lubricant L does not adhere to the inner peripheral surface of the cylindrical member 12 and remains.

  If the suction force continues to act from the lubrication pump 200 side, almost all of the fluid lubricant L filled in the filling space portion 64 of the cylindrical member 12 becomes the lubricant inflow portion 20 (inflow hole 80 of the level switch 70). And moves to the lubrication pump 200 side. And the movement of the moving member 24 is also continued.

  As shown in FIG. 2, when the moving member 24 eventually reaches the shoulder portion 16 of the cylindrical member 12, the bottom surface portion 32 </ b> C of the first seal portion 32 of the elastic seal member 30 contacts the shoulder portion 16. At this time, most of the fluid lubricant L filled between the shoulder portion 16 of the cylindrical member 12 and the first seal portion 32 of the elastic seal member 30 attached to the moving member 24 flows into the lubricant. The lubricant is supplied to the lubrication pump 200 through the portion 20 (inflow hole 80 of the level switch 70), and a part of the lubricant remains in the vicinity of the outside of the lubricant inflow portion 20 of the cylindrical member 12.

  Then, at the same time when the moving member 24 reaches the shoulder 16 of the cylindrical member 12, the central portion 34 </ b> A of the second seal portion 34 of the elastic seal member 30 contacts the level switch 70. Even in this case, the fluid lubricant L filled in the cylindrical member 12 is supplied to the lubrication pump 200 through the lubricant inflow portion 20 (inflow hole 80 of the level switch 70), and the lubricant inflow portion 20 The lubricant remaining in the vicinity of the outside is also supplied to the lubrication pump 200, and most of the fluid lubricant L of the cylindrical member 12 is supplied to the lubrication pump 200 side.

  Further, when the suction force continues to act from the lubrication pump 200 side, the central portion 34A of the second seal portion 34 of the elastic seal portion 30 presses the level switch 70. As a result, the pressing force that acts on the level switch 70 from the central portion 34A of the second seal portion 34 of the elastic seal member 30 becomes greater than the elastic force that acts on the level switch 70 from the coil spring 78. It moves downward against the elastic force of the coil spring 78. Also at this time, the fluid lubricant L filled in the cylindrical member 12 continues to be supplied to the lubrication pump 200 through the lubricant inflow portion 20 (inflow hole 80 of the level switch 70). Eventually, the entire level switch 70 is hidden inside the lubricant inflow portion 20, and the central portion 34 </ b> A of the second seal portion 34 of the elastic seal member 30 contacts the lubricant inflow portion 20. Since the entire level switch 70 is hidden inside the lubricant inflow portion 20, the inflow hole 80 of the level switch 70 is also hidden inside the lubricant inflow portion 20. Supply of the lubricant L to the lubrication pump 200 is stopped.

  As described above, according to the lubricant cartridge container 10 of the present embodiment, when the fluid lubricant L filled in the cylindrical member 12 is supplied to the lubrication pump 200, the cylindrical member 12 has a bellows. The fluid lubricant L does not stay on the inner peripheral surface of the cylindrical member 12 because there is no portion and the inner peripheral surface of the cylindrical member 12 is a smooth surface with no peaks or valleys. In particular, the pressure piece 32A of the elastic seal member 30 provided on the moving member 24 is in pressure contact with the inner peripheral surface of the cylindrical member 12, and the pressure piece 32A of the elastic seal member 30 is cylindrical as the moving member 24 moves. Since it acts so as to scrape out the fluid lubricant L adhering to the inner peripheral surface of the member 12, it is possible to reliably prevent the fluid lubricant L from staying on the inner peripheral surface of the cylindrical member 12. As a result, almost all of the fluid lubricant L filled in the lubricant cartridge container 10 can be supplied to the lubrication pump 200, and the fluid lubricant L remains inside the lubricant cartridge container 10. Can be prevented. In addition, since it is not necessary to make the thickness of the cylindrical member 12 thin, the intensity | strength of the cylindrical member 12 does not fall.

  In particular, the moving member 24 moves to the shoulder 16 side of the cylindrical member 12 along with the flow of the fluid lubricant L under the suction force acting from the lubrication pump 200 side. The volume of the filling space portion 64 defined by the portion 16 and the moving member 24 decreases with the movement of the moving member 24 when receiving the suction force. First, the bottom surface portion 32 </ b> C of the first seal portion 32 of the elastic seal member 30 contacts the shoulder portion 16. Furthermore, after the bottom surface portion 32C of the first seal portion 32 of the elastic seal member 30 contacts the shoulder portion 16, the center portion 34A of the second seal portion 34 pushes the level switch 70 and eventually contacts the lubricant inflow portion 20. . By this time, the fluid lubricant (the bottom surface portion 32C of the first seal portion 32 of the elastic seal member 30 and the shoulder) that has been interposed between the second seal portion 34 of the elastic seal member 30 and the lubricant inflow portion 20 is used. The fluid lubricant L that has been interposed between the part 16 and the part 16 is also supplied to the lubrication pump 200 via the lubricant inflow part 20. As described above, first, the bottom surface portion 32C of the first seal portion 32 of the elastic seal member 30 contacts the shoulder portion 16 of the tubular member 12, and after a predetermined time has elapsed, the central portion 34A of the second seal portion 34 is obtained. Comes into contact with the lubricant inflow portion 20. In this way, the volume of the filling space 64 of the cylindrical member 12 filled with the fluid lubricant L is gradually reduced with a time interval (with a time difference), and thus the cylindrical member 12 Most of the internal fluid lubricant L can be efficiently supplied to the lubrication pump 200. As a result, the remaining amount of the fluid lubricant L remaining inside the cylindrical member 12 can be reduced.

  Further, by forming the step portion 34B in the second seal portion 34 of the elastic seal member 30, the rigidity of the second seal portion 34 is increased. If the rigidity of the second seal portion 34 is increased, the counter force against the external force acting on the second seal portion 34 is increased accordingly. Further, when an external force acts on the step portion 34B of the second seal portion 34, the step portion 34B having high rigidity is elastically deformed, and the step portion 34B can absorb a large external force. As a result, the strength of the elastic seal member 30 can be increased.

  In particular, the step portion 34B of the second seal portion 34 is elastically deformed when the central portion 34A comes into contact with the lubricant inflow portion 20. Thereby, the second seal portion 34 receives the suction force, and the movement when the central portion 34A comes into contact with the lubricant inflow portion 20 can be performed smoothly. That is, since the step 34B of the second seal portion 34 is elastically deformed, the step 34B can have a function of guiding the movement of the central portion 34A toward the lubricant inflow portion 20 side. And poor contact with the lubricant inflow portion 20 can be prevented. As a result, most of the fluid lubricant L inside the cylindrical member 12 can be efficiently supplied to the lubrication pump 200, and the remaining amount of the fluid lubricant L remaining inside the cylindrical member 12 can be reduced. Can be reduced. Since the stepped portion 34B itself is elastically deformed, the applied external force can be stored as elastic energy in the stepped portion, so that the strength of the stepped portion 34B can be further increased. As a result, the strength of the entire elastic seal member 30 can be further improved.

  Here, a countermeasure against an illegal act of refilling the lubricant cartridge container 10 with the fluid lubricant L will be described. As shown in FIG. 4, when refilling the fluid lubricant L into the cylindrical member 12, the pressing force is applied to the second seal portion 34 and the refill prevention mechanism 50 (ball 56). Works. When a pressing force is acting on the refill prevention mechanism 50 (ball 56), the ball 56 is pressed against the elastic force of the coil spring 62, and the first outflow hole 54 is opened. For this reason, the fluid lubricant L that has been refilled flows out through the first outflow hole 54 and the second outflow hole 60 into the space 66 formed on the back side of the moving member 24. Further, when the fluid lubricant L is refilled into the cylindrical member 12, a pressing force tends to act on the moving member 24. This pressing force is applied to the first outflow hole 54 and the second outlet hole 54. A large pressure does not act on the moving member 24 because it escapes from the outflow hole 60. Thereby, the moving member 24 cannot be pushed back to the initial position. For this reason, the filling space part 64 is not formed inside the cylindrical member 12. Accordingly, the fluid lubricant L that has been refilled does not accumulate in the filling space 64 inside the cylindrical member 12. As a result, the fluid lubricant L cannot be refilled inside the cylindrical member 12.

  Further, since the refilled fluid lubricant L flows out through the first outflow hole 54 and the second outflow hole 60 into the space 66 on the back side of the moving member 24, the fluid lubrication is performed inside the tubular member 12. Trace evidence of refilling of agent L can be left. As a result, it is possible to easily identify an illegal act (incorrect fact) that attempts to refill the fluid lubricant L in the tubular member 12.

  In the first embodiment, the configuration in which the level switch 70 is provided has been described as an example. However, the present invention can naturally be applied to a configuration in which the level switch 70 is not provided.

  In the first embodiment, the elastic seal member 30 has been described with an example in which one pressure piece 32A is formed over the entire outer peripheral surface. However, the present invention is not limited to this. For example, as shown in FIG. 5, the elastic seal member 30 may be formed with a plurality of (for example, two) pressure pieces 32 </ b> A over the entire outer peripheral surface along the axial direction. Thus, the sealing performance can be further improved by providing a plurality of pressure pieces 32A along the axial direction in the elastic seal member 30.

  Further, in the first embodiment, in order to prevent the refilling action of the fluid lubricant L, the configuration in which the refill preventing mechanism 50 is provided in the second seal portion 34 of the elastic seal member 30 is shown. The prevention mechanism 50 may be provided in a part other than the second seal portion 34 of the elastic seal member 30. That is, as shown in FIG. 6, a protruding breakage portion 90 is provided at the tip of the lubricant inflow portion 20, and the breakage occurs when the central portion 34 </ b> A of the second seal portion 34 contacts the lubricant inflow portion 20. The portion 90 may break the central portion 34A. When the broken portion 90 breaks the central portion 34A of the second seal portion 34, the central portion 34A has a broken hole, and the refilled fluid lubricant L flows out from the broken hole into the space portion 66. Thereby, refilling of the fluid lubricant L can be prevented. In this configuration, the fracture portion 90 functions as a refill prevention mechanism. In particular, the fracture portion 90 has a simple configuration as compared with the configuration of the refill prevention mechanism 50 provided in the second seal portion 34 of the elastic seal member 30, thereby reducing the manufacturing cost of the lubricant cartridge container 10. There is also an effect.

  An example of the lubrication pump 200 to which the fluid cartridge L is supplied after the cartridge container 10 for lubricant of the present invention is mounted will be described below. Note that the lubrication pump 200 is not limited to the following configuration, and is applicable to all types of lubrication pumps that supply fluid lubricants such as grease and oil for the purpose of lubrication of machine tools and industrial machines. The lubricant cartridge container 10 of the present invention is applied.

  As shown in FIG. 7, the lubrication pump 200 is connected to a plurality of single metering valves Vt via a depressurization line Pt. The single metering valve Vt is a single piston that discharges the fluid lubricant L by being reciprocated by pressurization and depressurization of the fluid lubricant L to a portion such as a toggle where the amount of oil supply may be relatively small. (Not shown) and one discharge port corresponding to this piston. Since the single metering valve Vt is operated by pressurizing and depressurizing the fluid lubricant L and discharges the fluid lubricant L, it needs to be depressurized. Therefore, the single metering valve Vt is connected to the decompression line Pt. Yes.

  In addition, the lubrication pump 200 is connected to a single progressive metering valve Vs via a non-depressurization line Ps. The progressive valve Vs is a plurality of pistons (not shown) that are reciprocated in order by pressurization of the fluid lubricant L to a portion that requires a relatively large amount of oil supply to discharge the fluid lubricant L. And a plurality of pairs of discharge ports corresponding to the pistons. This progressive metering valve Vs does not perform depressurization in order to maintain the pressure in the pipe when the pump is stopped and to discharge the fluid lubricant L from the progressive metering valve Vs without excess or deficiency so as to make the discharge amount accurate. It is connected to the non-decompression line Ps. As described above, the lubrication pump 200 is connected to two systems of pipelines, the decompression pipeline Pt and the non-decompression pipeline Ps.

  The lubrication pump 200 includes a pump body 202. The pump body 202 has a function of applying a suction force to the inside of the lubricant cartridge container 10 and supplying the fluid lubricant L filled therein to the decompression pipe Pt and the non-decompression pipe Ps. Yes. The pump main body 202 is a plunger type pump having a piston and a cylinder (not shown), and is reciprocally driven by a drive motor (not shown) via a cam mechanism (not shown).

  Next, a modified example of the refill prevention mechanism 50 applied to the lubricant cartridge container 10 of the above embodiment will be described.

  As shown in FIG. 8A, from the inside of the refill prevention cylinder 52 of the refill prevention mechanism 50 applied to the lubricant cartridge container 10 of the first embodiment, a ball 56, a coil spring 62, and a stopper The tool 58 has been removed. Instead, a press-fit component 92 is press-fitted inside the refill prevention cylinder 52. The volume of the press-fitting part 92 is set to be approximately the same as the volume of the refill prevention cylinder 52, and the inside of the refill prevention cylinder 52 is filled with the press-fitting part 92. In a state where the inside of the refill preventing cylinder 52 is filled with the press-fit component 92, the first outflow hole 54 is closed by the press-fit component 92. When the fluid lubricant L is refilled inside the cylindrical member 12, the pressing force acting on the press-fit component 92 is greater than the pressure input of the press-fit component 92 as shown in FIG. The press-fitting part 92 comes out of the refill prevention cylinder 52. As a result, the first outflow hole 54 is opened, and the fluid lubricant L flows out through the first outflow hole 54 into the space 66 on the back side of the moving member 24. Trace evidence of refilling of the lubricant L can be left. As a result, it is possible to easily identify an illegal act (incorrect fact) that attempts to refill the fluid lubricant L in the tubular member 12.

  As shown in FIGS. 9A and 9B, a press-fit component 94 having a volume much smaller than the volume of the press-fit component 92 used in FIGS. 8A and 8B may be used. . Specifically, in a state where the inside of the refill prevention cylinder 52 is filled with the press-fitting part 92, a large gap is formed inside the refill prevention cylinder 52 and the first outflow hole 54 is opened. Become. When the fluid lubricant L is refilled inside the cylindrical member 12, the pressing force acting on the press-fit component 94 is greater than the press input of the press-fit component 94 as shown in FIG. The press-fitting part 94 comes out of the refill prevention cylinder 52. Thereby, since the fluid lubricant L flows out into the space 66 on the back side of the moving member 24, it is possible to leave evidence of the trace of refilling the fluid lubricant L inside the cylindrical member 12. . Here, since the volume of the press-fit component 94 is smaller than the volume of the press-fit component 92, the press input of the press-fit component 92 is smaller than the press input of the press-fit component 92. As a result, the press-fitting part 94 easily comes out of the refill prevention cylinder 52 only by applying a small pressing force to the press-fitting part 94, so that the fluid lubricant L is refilled inside the cylindrical member 12. It becomes possible to leave unfair acts (injustice facts) with certainty.

  After the fluid lubricant L filled in the lubricant cartridge container 10 is supplied to the lubrication pump 200, the manufacturer (provider) of the lubricant cartridge container determines that the fluid lubricant L is empty. The lubricant cartridge container 50 is collected from the customer and checked for any abnormalities such as breakage or scratches. If there is no abnormality, the lubricant cartridge container manufacturer (provider) again The cartridge container 50 is preferably filled with the fluid lubricant L and reused. Thereby, since the resource called the cartridge container 50 for lubricants can be used effectively, the amount of dust can be reduced, global warming can be prevented, and as a result, the environment can be protected.

DESCRIPTION OF SYMBOLS 10 Lubricant cartridge container 12 Cylindrical member 16 Shoulder part 20 Lubricant inflow part 24 Moving member 30 Elastic seal member 32 First seal part 34 Second seal part 34A Center part 34B Step part 40 Connection member 50 Refill prevention mechanism 54 1st outflow hole (passage hole)
56 balls (occlusion member)
200 Lubrication pump L Fluid lubricant

Claims (7)

A lubricant cartridge container that is attached to a connection member of the lubrication pump having a lubricant inflow portion for guiding the fluid lubricant to the lubrication pump and supplies the fluid lubricant to the lubrication pump,
The fluid lubricant is configured to be filled, and is attached to the connection member of the lubrication pump, receives the suction force from the lubrication pump side, and supplies the fluid lubricant to the lubricant pump through the lubricant inflow portion. A cylindrical member to be
In the cylindrical member, the fluid lubricant is accommodated in a space formed between the cylindrical member and the lubricant inflow portion in a state where the cylindrical member is attached to the connection member of the lubrication pump. A moving member that receives the suction force from the lubrication pump side and moves the inside of the cylindrical member to the lubricant inflow portion side along with the flow of the fluid lubricant toward the lubricant inflow portion;
An elastic seal member that is provided on the moving member and maintains an airtight state between the outer side surface of the moving member and the inner side surface of the cylindrical member by being pressed against the inner side surface of the cylindrical member;
A cartridge container for lubricant characterized by comprising: The cylindrical member has a shoulder portion located on the outer surface side of the lubricant inflow portion when attached to the connection member of the lubrication pump,
The elastic seal member is
A first seal portion that contacts the shoulder when the moving member moves inside the cylindrical member and reaches the shoulder;
A second seal portion that contacts the lubricant inflow portion after the first seal portion contacts the shoulder;
The cartridge container for lubricant according to claim 1, comprising: The second seal part is configured to protrude to the side opposite to the shoulder side with respect to the first seal part,
The second seal portion is
A central portion in contact with the lubricant inflow portion;
A step portion connecting the central portion and the first seal portion;
The cartridge container for lubricant according to claim 2, comprising:   4. The lubricant cartridge container according to claim 3, wherein the step portion is elastically deformed when the central portion contacts the lubricant inflow portion.   The lubrication according to any one of claims 1 to 4, wherein the elastic seal member is provided with a refill prevention mechanism for preventing refilling of the fluid lubricant with respect to the cylindrical member. Cartridge container. The refill prevention mechanism includes:
A passage hole through which the fluid lubricant can pass;
In response to the suction force, the passage hole is closed to prevent the fluid lubricant from flowing out of the passage hole, and when the pressing force is applied, the passage hole is opened by the pressing force. A blocking member that allows the flowable lubricant to flow out of the holes;
The cartridge container for lubricant according to claim 5, wherein   The lubricant cartridge container according to any one of claims 1 to 6, wherein the fluid lubricant filled in the lubricant cartridge container is recovered after being supplied to the lubrication pump, A method of using a cartridge container for lubricant, wherein the fluid lubricant is filled and reused.

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