JP7098369B2 - Filter container holding device - Google Patents

Description

The present invention relates to a filter container holding device.

In a pipeline for the purpose of filtering fluid, a filter or the like is built in a part of the pipeline, and a filter container as a removable and replaceable exchange unit is arranged. In such a pipeline, a part of the pipeline is lacking between the end of the upstream pipeline and the end of the downstream pipeline, and the filter container is the upstream pipeline. It has a structure that can be detachably attached between the end and the end of the pipeline on the downstream side. For example, when a predetermined amount of filtration is completed, the filter container whose life has expired is removed and replaced with a new filter container.

The filter container has a flow path inlet and a flow path outlet, and a flow path is formed between the flow path inlet and the flow path outlet inside the filter container. A filter is placed in the middle of the flow path, and the filter captures particles contained in the fluid in the flow path. Conventionally, in general, the end of the upstream pipeline and the end of the downstream conduit are configured as part of the manifold, and when the replacement unit is attached to the manifold, the flow path inlet of the replacement unit is It joins with the end of the upstream pipeline and the outlet of the flow path joins with the end of the downstream pipeline. This completes the flow circuit system pipeline by coupling the flow path of the replacement unit to the partially missing pipeline.

Patent Document 1 discloses an example of a filter container that can be detached and replaced as a part of an existing pipeline. In Patent Document 1, the filter container is attached between the end of the pipeline on the upstream side and the end of the pipeline on the downstream side of the manifold so as to be fitted by rotational operation around the pipeline joint of the filter container. Be done. In Patent Document 1, since the distance between the end of the upstream pipeline for attaching the filter container and the end of the downstream pipeline is unchanged, the end of the upstream pipeline and the downstream side of the filter container are unchanged. A filter container that is longer than the distance between it and the end of the pipeline is fitted and fixed.

On the other hand, Patent Document 2 discloses a water purifier cartridge used in a sink. Here, a filter container is inserted between the end of the upstream pipeline and the end of the downstream pipeline, and a highly rigid sleeve tube that can slide along the flow path axis is extended to the water purifier cartridge. The device for fixing is disclosed. That is, Patent Document 2 is an example in which the distance between the end of the pipeline on the upstream side and the end of the pipeline on the downstream side for attaching the filter container is variable. In Patent Document 2, the end of the upstream pipeline having high rigidity is slid along the flow path axis to reduce the distance between the end of the upstream conduit and the end of the downstream conduit. While shrinking, the flow path inlet and the flow path outlet of the filter container are sandwiched and fixed.

Japanese Patent No. 4723531 Japanese Unexamined Patent Publication No. 3-123689

The lengths of the flow path inlet and flow path outlet of the filter container vary due to the difference in the type and type of the filter container or the manufacturing tolerance of the filter container within the same type. Therefore, it is convenient if the distance between the end of the upstream line and the end of the downstream line for attaching the filter container can be made variable as in Patent Document 2. Further, it would be very convenient if the end of the upstream pipeline and the end of the downstream pipeline could be made into a flexible tube having low rigidity and flexibility. However, in order to make the end of the upstream pipeline and the end of the downstream pipeline a flexible tube with low rigidity, it is easy to adjust the position after properly supporting the filter container. A movable holding device for the filter container is required.

A filter container holding device having a movable state in which the filter container can be moved in one sliding direction with respect to the sliding surface and a fixed state in which the filter container is fixed to the sliding surface. The holding device faces the base unit having a first width in the fixing direction perpendicular to the sliding direction and having two surfaces extending perpendicularly to the sliding surface at a distance. The two claws are provided with an arm for holding the filter container and a holding adapter having the two claws, and the two claws are more than the first width so as to be inserted between the two surfaces. The holding adapter is in the movable state when it is narrowed to a size smaller than the first width, and each of the two claws is in the fixed direction in the fixed state. The problem is solved by the filter container holding device in which the holding adapter is fixed to the sliding surface by friction between each of the two claws and the two surfaces by spreading in contact with the two surfaces.

INDUSTRIAL APPLICABILITY According to the present invention, a filter holding device that is movable and capable of firmly holding a filter container is realized.

The filter holding device of Embodiment 1 to which this invention is applied is shown. It is a figure which showed the cross section of the holding adapter of the fixed state of the filter holding device of Embodiment 1 to which this invention is applied. It is a figure which showed the cross section of the holding adapter in the mounted state of the filter holding device of Embodiment 1 to which this invention is applied. It is a figure which showed the cross section of the holding adapter of the movable state of the filter holding device of Embodiment 1 to which this invention is applied. The filter holding device of Embodiment 2 to which this invention is applied is shown. It is a figure which showed the cross section of the holding adapter of the fixed state of the filter holding device of Embodiment 2 to which this invention is applied. It is a figure which showed the cross section of the holding adapter in the mounted state of the filter holding device of Embodiment 2 to which this invention is applied. It is a figure which showed the cross section of the holding adapter of the movable state of the filter holding device of Embodiment 2 to which this invention is applied. It is a fixed state holding adapter of the filter holding device of Embodiment 2 to which this invention is applied, and is the figure which showed the elasticity generation part of another form.

(Embodiment 1)
Embodiment 1 of the present invention will be described with reference to FIGS. 1 and 2A to 2C. FIG. 1 shows the filter container holding device 1 of the present invention. The filter container holding device 1 includes a base unit 2 and a holding adapter 3. The filter container holding device 1 holds the filter container 4 by the holding adapter 3, fixes the holding adapter 3 to the base unit 2, and allows the holding adapter 3 to move so as to slide in one direction. It is a device that holds the filter container 4 in the base unit 2. 2A and 2B are views taken from the direction A of FIG. FIG. 2A is a diagram showing a fixed state of the holding adapter 3 to the base unit 2. FIG. 2B is a diagram showing a state in which the holding adapter 3 is attached to the base unit 2. FIG. 2C is a diagram showing a movable state of the holding adapter 3 to the base unit 2. In the present specification, the moving direction thereof is referred to as a "sliding direction" in all the embodiments. The direction perpendicular to the sliding direction and in which the holding adapter 3 is pushed into the base unit 2 for mounting is called the "mounting direction". Similarly, in all the embodiments, the state in which the holding adapter 3 is attached to the base unit 2 is the "mounted state", and the state in which the holding adapter 3 is fixed to the base unit 2 is "fixed". The state in which the holding adapter 3 slides on the base unit 2 is referred to as a "movable state".

The base unit 2 is arranged as a holding member for holding the filter container 4 in a part of a fluid pipeline circuit for filtering. The pipeline circuit is defective between the first pipeline end portion 11 and the second pipeline end portion 12, and the filter container 4 is arranged there. The filter container 4 has a flow path inlet 4a and a flow path outlet 4b, and a flow path is formed between the flow path inlet 4a and the flow path outlet 4b inside the filter container 4. The flow path inlet 4a is connected to the first pipeline end portion 11, the flow path outlet 4b is connected to the second pipeline end portion 12, and the defective portion of the flow path is supplemented by the flow path inside the filter container 4. The first pipeline end portion 11 and the second pipeline end portion 12, respectively, on which the pipeline circuit is completed are flexible tubes or the like, and their positions are variable. For example, they are screwed together with screws. The filter container 4 is connected to the holding adapter 3 and attached to the base unit 2.

The base unit 2 is a member having a sliding surface 24 extending long in at least one direction, and is, for example, a columnar member. The base unit 2 may be a wall-shaped member. The inside of the base unit 2 forms a hollow space 22 defined by a wall surface. The base unit 2 can be typically a metal formed by extrusion such as aluminum. There may be a support column that supports the wall surface inside. Various forms can be selected for the position and shape of the space 22. The edge wall 21, which is one of the wall surfaces, is formed with an opening groove 23 formed so as to extend linearly and long with a first width d. The extending direction of the groove 23 is the sliding direction, and the surface having the groove 23 is the sliding surface 24. That is, in the groove 23, in the cross section facing the sliding direction, the edge wall 21 having a thickness t in the mounting direction is cut out with a first width d, and this notch is the edge wall 21 having the groove 23. It communicates with the space 22 inside the wall and extends perpendicularly to the sliding surface 24 with a first width d in the fixing direction perpendicular to the sliding direction, that is, in the direction of the thickness t of the edge wall 21. Two facing surfaces 21a and 21b are formed. That is, the two surfaces 21a and 21b are notches of the edge wall 21 which is the sliding surface 24, and each of the two surfaces 21a and 21b is the opposite edge wall 21 of the notches. The direction of the first width d that is perpendicular to the direction (sliding direction) in which the groove 23 of the base unit 2 extends is called the "fixing direction". The holding adapter 3 is based on a movable state in which the filter container 4 can be moved in one sliding direction on the sliding surface 24 and a fixed state in which the filter container 4 is fixed on the sliding surface. Attached to unit 2. The base unit has a groove 23 formed as a notch in the edge wall 21 which is a sliding surface 24 having a first width d so as to extend in the one sliding direction, and the two surfaces 21a, Each of the 21b is the end face of the opposite edge wall 21 of the notch forming the groove 23.

The holding adapter 3 includes an arm 31 and two claws 32. The retention adapter 3 is made of, for example, metal or resin, and is made of, for example, geometrically or materially, and by a combination thereof, elasticity is generated. Having an elastic force geometrically means having an elastic force structurally by adding a shape that produces elasticity. The material having elastic force means that the cross section of the filter container 4 has a shape having at least a curved surface such as an arc at least in a part thereof, and is typically a circular shape. As an aspect of the arm 31, for example, two arms 31a and 31b are provided, and the shape of the inner circumference of the arm 31 formed by the arm 31a and the arm 31b forms a circle substantially the same as the outer circumference of the filter container 4. Has an arc to do. The distance between the arm 31a and the arm 31b is smaller than the diameter of the filter container 4. When the filter container 4 is fitted between the arm 31a and the arm 31b, the distance between the arm 31a and the arm 31b is adjusted by the elastic force due to the plasticity of the holding adapter 3 by pushing the filter container 4 into the space. It can be deformed to be larger than the diameter of the container 4. After the filter container 4 is fitted between the arm 31a and the arm 31b, the shape of the inner circumference of the arm 31 formed by the arm 31a and the arm 31b returns to the shape of the outer circumference of the filter container 4. Due to the elastic deformation, the curvature of each arc shape of the arm 31a and the arm 31b changes due to the elastic change, so that the filter container 4 can pass between the arm 31a and the arm 31b, and the arm 31a and the arm 31b This makes it possible to hold the filter container 4. For example, when the cross section of the filter container 4 has a circular shape, it is preferable that the shapes of the inner surfaces of the arm 31a and the arm 31b are arcuate shapes that are part of the circle of the cross section of the filter container 4, respectively. .. As a result, when the arm 31a and the arm 31b hold the filter container 4, the arm 31a and the arm 31b are narrowed so as to match the shape of the filter container 4, and the arm 31a and the arm 31b firmly hold the filter container 4. It becomes possible to do.

On the side of the holding adapter 3 opposite to the arm 31, two claws 32a and 32b extending to the opposite side of the arm 31 and arranged so as to face each other are provided. The shapes of the two claws 32a and 32b have the following external shapes when the mounted state is assumed. The two claws 32a and 32b are deformed by the elastic force due to the plasticity of the holding adapter 3, and the distance between them can be narrowed. A material having elasticity that can be narrowed to be smaller than the first width d so that the distance between the outer surfaces of the two claws 32a and 32b in the fixing direction can be inserted between the two surfaces 21a and 21b. It is formed. The holding adapter 3 is in a movable state when the distance between the outer surfaces of the two claws 32a and 32b in the fixing direction is narrowed to be smaller than the first width d. In the fixed state, the two claws 32a, 32b expand more than the first width d so that the two claws 32a, 32b press the two surfaces 21a, 21b of the edge wall 21 of the groove 23 in the fixed direction. Operate. That is, in the fixed state, each of the two claws 32a and 32b spreads in the fixed direction and comes into contact with the two surfaces 21a and 21b, whereby the friction between the two claws 32a and 32b and the two surfaces 21a and 21b. The holding adapter 3 is fixed on the sliding surface 24 (FIG. 2A).

Each tip of the two claws 32a and 32b has protrusions 33a and 33b protruding in the direction opposite to the opposite side (outside), that is, in the direction away from the groove 23 in the fixing direction. .. Under normal conditions, the distance between the tips of the protrusions 33a and 33b is larger than the first width d in the fixed direction. The two claws 32a and 32b can be deformed so that the distance between the tips of the protrusions 33a and 33b is smaller than the first width d in the fixed direction in the mounted state. Then, in the fixed state, the distance between the tips of the protrusions 33a and 33b returns to a width larger than the first width d in the fixed direction, as in the normal state. As a result, in the normal state (the state before mounting the holding adapter 3 on the base unit 2), the two claws 32a and 32b cannot be mounted because they are larger than the first width d of the groove 23, but in the mounted state, they are 2. By deforming the two claws 32a and 32b, the distance between the tips of the protrusions 33a and 33b is changed to be smaller than the first width d of the groove 23, and the two claws 32a and 32b are inserted into the groove 23 together with the protrusions 33a and 33b. (Fig. 2B). In the fixed state, the holding adapter 3 is fixed on the sliding surface 24 by friction between the two claws 32a and 32b and the two surfaces 21a and 21b, and the distance between the tips of the protrusions 33a and 33b is large. Since the width returns to a width larger than the first width d in the fixed direction, the tips of the protrusions 33a and 33b are prevented from coming off the edge wall 21 of the groove 23. The holding adapter 3 has an arc-shaped elasticity generating portion P in order to strongly arouse its elasticity at the two claws 32a and 32b. Each of the two claws 32a and 32b is arranged near both ends of the arc shape of the elasticity generating portion P so that the distance between the two claws 32a and 32b changes due to elastic deformation due to the change in the curvature of the arc shape. It has become.

Each of the two claws 32a and 32b of the holding adapter 3 has holding plates 34a and 34b extending in a direction away from the groove 23 in the fixing direction, respectively. The pressing plates 34a and 34b extend so as to face the sliding surface 24 between the two claws 32a and 32b of the holding adapter 3 and the arm 31 in each of the two claws 32a and 32b. The direction in which the pressing plates 34a and 34b extend with respect to the sliding surface 24 changes according to the elastic force due to the plasticity of the holding adapter 3. By pushing the pressing plates 34a and 34b in the fixed direction, it is possible to change the distance between the two claws 32a and 32b.

The pressing plates 34a and 34b not only evoke deformation of the two claws 32a and 32b, but also the pressing plates 34a and 34b press the sliding surface 24 from the outside of the base unit 2 in the fixed state. There is. As a result, in addition to the frictional force between the two claws 32a and 32b and the two surfaces 21a and 21b, the holding adapter 3 that pushes the pressing plates 34a and 34b and the sliding surface 24 is firmly fixed to the base unit 2. (Fig. 2A).

In the sliding state, the holding plates 34a and 34b are pushed in the direction of the first width d of the groove 23 to deform the holding plates 34a and 34b so as to be close to each other, so that the distance between the two claws 32a and 32b is increased. Shrink. As a result, the two claws 32a and 32b are inserted into the space 22 inside the base unit 2, but the two claws 32a and 32b are separated from the two surfaces 21a and 21b (FIG. 2C). As a result, in the sliding state, the frictional force between the two claws 32a and 32b and the two surfaces 21a and 21b is released, and the pressing plates 34a and 34b are pressed against the edge wall 21 from the outside of the base unit 2. Is also released. In this state, the holding adapter 3 is slidable with respect to the base unit 2 in the sliding direction.

In the fixed state, the holding adapter 3 is fixed to an arbitrary position of the base unit 2 by the frictional force caused by the two claws 32a and 32b pressing the two surfaces 21a and 21b. Further, at this time, the shape of the pressing plates 34a and 34b is changed so that the pressing plates 34a and 34b are pressed against the sliding surface 24 at the same time as the deformation in which the two claws 32a and 32b press the two surfaces 21a and 21b. If it is set to this, in addition to the frictional force caused by the two claws 32a and 32b pressing the two surfaces 21a and 21b, the frictional force caused by the pressing plates 34a and 34b pressing the sliding surface 24 makes the base unit even stronger. It is possible to fix it at any position of 2. Further, on each of the pressing plates 34a and 34b, elastic members 35a and 35b such as an elastomer material can be arranged on the surface of the pressing plates 34a and 34b on the base unit 2 side in the mounted state. As a result, when the pressing plates 34a and 34b press the edge wall 21 from the outside of the base unit 2 in the fixed state, the frictional force can be further increased to further increase the pressing force.

(Embodiment 2)
A second embodiment of the present invention will be described with reference to FIGS. 3 and 4A to 4C. FIG. 3 shows the filter container holding device 1 of the present invention. The filter container holding device 1 includes a base unit 2 and a holding adapter 5. The filter container holding device 1 holds the filter container 4 by the holding adapter 5, fixes the holding adapter 5 to the base unit 2, and enables the holding adapter 5 to be slidable in one direction. It is the same as the first embodiment. 4A and 4B are cross-sectional views taken from the direction B of FIG. FIG. 4A is a diagram showing a cross section of the holding adapter 5 in a fixed state to the base unit 2. FIG. 4B is a diagram showing a cross section of the holding adapter 5 in a mounted state on the base unit 2. FIG. 4C is a diagram showing a cross section of the holding adapter 5 in a mounted state on the base unit 2. In the following description of the second embodiment, the points different from the first embodiment will be particularly described, and the same points as those of the first embodiment will be omitted.

The base unit 2 of the second embodiment is a member having a sliding surface 24 extending long in at least one direction, and is, for example, a columnar member. The base unit 2 may be a wall-shaped member. The inside of the base unit 2 forms a hollow space 22 defined by a wall surface. The base unit 2 can be typically a metal formed by extrusion such as aluminum. There may be a support column that supports the wall surface inside. The position and shape of the space 22 can take various forms. The surface of the edge wall 21, which is one of the wall surfaces, is referred to as a sliding surface 24. The holding adapter 5 slides on the sliding surface 24. In the second embodiment, there are two edge walls 25, 26 extending perpendicular to the sliding surface 24. The two edge walls 25 and 26 have two surfaces 25a and 26a that are perpendicular to the sliding surface 24 inside. The distance between the two surfaces 25a and 26a is the first width d in the second embodiment. The two edge walls 25 and 26 have wall ends such that openings 25b and 26b are formed at positions away from the sliding surface 24, respectively. The surface 25a can be reached from the outside of the edge wall 25 through the opening 25b. Similarly, the surface 26a can be reached from the outside of the edge wall 26 through the opening 26b. The openings 25b and 26b have a shape extending in one direction, and this direction is the sliding direction.

The holding adapter 5 includes an arm 31 and two claws 37a and 37b. The holding adapter 5 is made of, for example, metal or resin, and has elasticity geometrically or materially, as in the first embodiment. The cross section of the filter container 4 has a shape having at least a curved surface such as an arc at least in a part thereof, and is typically a circular shape. The cross section of the filter container 4 is the same as that of the first embodiment. The arm 31 is the same as that of the first embodiment, and includes, for example, two arms 31a and 31b. The arms 31a and 31b sandwich the filter container 4. Since the configurations and functions of the arm 31a and the arm 31b are exactly the same as those in the first embodiment, the description thereof is omitted here. The arm 31 is arranged on the support plate 38 on the opposite side of the two claws 37a and 37b. The support plate 38 is arranged so as to be substantially parallel to the sliding surface 24 when attached to the base unit 2.

Two claws 37a and 37b are arranged on the holding adapter 5. On the support plate 38 of the holding adapter 5, for example, the side plates 36a and 36b are arranged so as to extend from the support plate 38 in the out-of-plane direction of the support plate 38. The two claws 37a, 37b are fixed to, for example, the tip side (opposite side to the support plate 38) of the side plates 36a, 36b. An elasticity generating unit P is arranged between the support plate 38a and the support plate 38b, and the side plates 36a and 36b are deformed so that the directions of the side plates 36a and 36b are changed by the deformation of the elasticity generating unit P. The angles of the two claws 37a and 37b can be changed as follows according to the deformation of the side plates 36a and 36b. The widths of the side plates 36a and 36b are urged to increase, and the widths of the two claws 37a and 37b are urged accordingly.

In the fixed state of the holding adapter 5 to the base unit 2, the two claws 37a and 37b are inserted into the space 22 inside the base unit 2 through the openings 25b and 26b of the base unit 2. Since the widths of the two claws 37a and 37b are urged to be large, the two claws 37a and 37b press the two surfaces 25a and 26a from the inside of the two surfaces 25a and 26a (FIG. 4A). That is, in this fixed state, each of the two claws 37a and 37b expands in the fixing direction, the distance between the two claws 37a and 37b becomes larger than the first width d, and the two surfaces 25a and 26a Press on each of the. As a result, the holding adapter 5 is fixed in a state where the arm 31 is positioned in the normal direction of the surface of the sliding surface 24 due to the frictional force generated between each of the two claws 37a and 37b and the two surfaces 25a and 26a. To.

The side plates 36a and 36b have two edge walls 25 to which the ends of the side plates 36a and 36b opposite to the portion fixed to the support plate 38 are attached to the base unit 2 when the holding adapter 5 is attached to the base unit 2. , 26 The side plates 36a, 36b can be deformed to open so as to be larger than the width of 26 (FIG. 4B). When the ends of the side plates 36a, 36b are larger than the width of the two edge walls 25, 26 to the base unit 2, the ends of the side plates 36a, 36b have the support plates 38 along the two edge walls 25, 26. It becomes possible to move toward the base unit 2 in the direction approaching the sliding surface 24, and the holding adapter 5 can be attached to the base unit 2. When the ends of the side plates 36a, 36b reach the openings 25b, 26b, the two claws 37a, 37b, which were previously outside the two edge walls 25, 26, enter the base unit 2 through the openings 25b, 26b. It can be inserted into the space 22. Here, the widths of the side plates 36a and 36b are reduced, the two claws 37a and 37b are inserted into the openings 25b and 26b, and the positions of the two claws 37a and 37b are the inner surfaces of the two edge walls 25 and 262. When aligned with the positions of the two surfaces 25a and 26a, the two claws 37a and 37b are urged in a direction in which the width increases, so that the two claws 37a and 37b press the two surfaces 25a and 26a. (Fig. 4A).

The side plates 36a and 36b are as follows in order to shift from the fixed state or the mounted state to the movable state. In the movable state of the holding adapter 5 to the base unit 2, the ends of the side plates 36a and 36b opposite to the portion where the side plates 36a and 36b are fixed to the support plate 38 are the two edge walls 25 to the base unit 2. It can be deformed so as to be narrower than 26. In this state, the ends of the side plates 36a, 36b become the two edge walls 25, 26 to the base unit 2 against the natural urging force of the two claws 37a, 37b pressing against the two surfaces 25a, 26a. On the other hand, it is deformed so as to narrow. That is, the two claws 37a, 37b have elasticity that can be narrowed to be smaller than the first width d so that they can be inserted between the two surfaces 25a, 26a, and the two claws 37a, 37b. Is narrowed to a size smaller than its first width d, the holding adapter 5 becomes movable in the sliding direction (FIG. 4C).

FIG. 4D is a diagram showing another form of the elasticity generation unit Q. As described above, the elastic generating unit P is arranged between the support plate 38a and the support plate 38b, and the orientation of the side plates 36a and 36b is changed by the deformation of the elastic generating unit P. In 2, the same effect is obtained even if the elasticity generating portion Q is arranged in the fixing portion between the support plate 38a and the side plate 36a and the fixing portion between the support plate 38b and the side plate 36b (FIG. 4D).

1 Filter holding device 2 Base unit 3, 5 Holding adapter 4 Filter container 21 Edge wall 22 Space 23 Groove 24 Sliding surface 25, 26 Edge wall 31 Arm 32a, 32b Claw 33a, 33b Protrusion 34a, 34b Holding plate 35a, 35b Elasticity Members 36a, 36b Side plates 37a, 27b Claws 38a, 38b Support plate

Claims (7)

The filter container is held so as to have a movable state in which the filter container can be moved in one sliding direction on the sliding surface and a fixed state in which the filter container is fixed to the sliding surface. It is a filter container holding device, and the filter container holding device is
A base unit having a first width in a fixed direction perpendicular to the one sliding direction and having two surfaces extending perpendicularly to the sliding surface, and a base unit.
A holding adapter having two claws arranged to face each other with a gap and an arm for holding the filter container is provided.
The two claws have elasticity that can be narrowed below the first width so that they can be inserted between the two surfaces .
The holding adapter is in the movable state when the two claws are narrowed to be smaller than the first width.
Each of the two claws spreads in the fixing direction in the fixed state and comes into contact with the two surfaces, so that the holding adapter is attached to the sliding surface by friction between each of the two claws and the two surfaces. A filter container holding device that is fixed to the filter container. The filter container holding device according to claim 1.
The base unit has a groove formed as a notch in the sliding surface having the first width so as to extend in the one sliding direction, and each of the two surfaces of the base unit. Is a filter container holding device which is an end face of the opposite edge wall of the notch. The filter container holding device according to claim 1.
A filter container holding device in which the two surfaces of the base unit are inner surfaces of two edge walls perpendicular to the sliding surface. The filter container holding device according to any one of claims 1 to 3 .
A filter container holding device in which each of the two claws of the holding adapter is attached to an arc-shaped elasticity generating portion, and the width of the two claws changes as the curvature of the arc-shaped shape changes. The filter container holding device according to claim 2 or 3 .
The holding adapter has a holding plate extending between the two claws and the arm so as to face the sliding surface.
A filter container holding device that changes the distance between the two claws by pushing the holding plate in the fixing direction. The filter container holding device according to claim 5.
In the fixed state, the holding adapter is a filter container holding device in which the holding plate presses the sliding surface. The filter container holding device according to claim 6.
The holding plate has an elastic member, and in the fixed state, the elastic member is a filter container holding device located between the holding plate and the sliding surface.

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