CN217101427U

CN217101427U - Medium-sized bulk container

Info

Publication number: CN217101427U
Application number: CN202121329081.1U
Authority: CN
Inventors: 不公告发明人
Original assignee: Shanghai Box Intelligent Technology Co Ltd
Current assignee: Shanghai Box Intelligent Technology Co Ltd
Priority date: 2021-06-15
Filing date: 2021-06-15
Publication date: 2022-08-02
Anticipated expiration: 2031-06-15

Abstract

The utility model discloses a medium-sized bulk container, which comprises a box body and a plurality of side walls, wherein the box body comprises a base and side walls which extend upwards from the base and are mutually connected; a liquid bag mounted within the tank, a drain having an outer wall defining a drain passage in communication with the liquid bag; and the upper end of the conductive piece is in contact with the outer wall, and the conductive piece is fixed and contained in the base and at least extends to the bottom surface of the base. When the middle-sized bulk container of the utility model is used, when the box body is arranged on the ground, the conductive piece is contacted with the ground, and the static electricity of the liquid in the liquid bag is transmitted into the ground through the discharge port and the conductive piece.

Description

Medium-sized bulk container

Technical Field

The utility model relates to a storage container, concretely relates to medium-sized bulk container.

Background

For liquid storage, transportation, filling and discharging, etc., many liquid storage and transportation devices are currently on the market. In particular, liquid storage and transportation devices for intermediate bulk containers are more and more in line with the environmental protection and energy saving requirements and are favored by the liquid field.

For medium-sized bulk containers applied to the field of liquid storage and transportation, some liquids have special requirements on static electricity prevention, and generated static electricity must be effectively led out in the processes of filling, storage, transportation, discharge and the like, otherwise, the generation of static spark can cause great damage to products.

At present, an effective overall anti-static solution is not available in a medium-sized bulk container structure which enables liquid in a box body to have an anti-static effect.

Accordingly, there is a need in the art for an intermediate bulk container that is capable of efficiently conducting static electricity out of a liquid.

SUMMERY OF THE UTILITY MODEL

The utility model aims at satisfying the above-mentioned needs by providing a novel medium-sized bulk container.

In order to achieve the above object, the present invention provides a medium-sized bulk container, which comprises a container body and a liquid bag, wherein the container body comprises a base and side walls extending upwards from the base and connected with each other; the liquid bag is placed in the box, and the liquid bag is provided with the discharge port, and the discharge port has the outer wall, and the outer wall is injectd in the row outer passageway of liquid bag intercommunication, and electrically conductive piece is connected to the outer wall lower extreme, and electrically conductive piece is fixed to be held in the base and extends to the bottom surface of base at least.

In one embodiment, the conductive member is an elastic conductive member, at least a portion of which has elasticity such that when the case is placed on the ground, the elastic conductive member is in a compressed state and a lower end of the elastic conductive member is in contact with the ground

In one embodiment, the outer wall includes a cylindrical body and a protruding rod extending downward from an outer circumferential surface of the cylindrical body, and the conductive member is in contact with the protruding rod.

In one embodiment, the resilient conductive member is a spring.

In one embodiment, a receiving channel is formed in the base and penetrates through the base, and the elastic conductive piece is fixed and received in the receiving channel.

In one embodiment, an accommodating channel penetrating through the base is arranged in the base, a detachably mounted fixing seat is arranged in the accommodating channel, and the elastic conductive piece is fixed on the fixing seat.

In one embodiment, the fixing seat is assembled in the accommodating channel through a clamping structure.

In one embodiment, at least one side of the fixing seat is provided with an elastic lock catch, and the corresponding side of the accommodating channel is provided with a locking hole.

In one embodiment, a resilient conductive member mounting hole is provided in the holder, the resilient conductive member having an upper end and a lower end, the resilient conductive member being secured to the resilient conductive member mounting hole between the upper end and the lower end.

In one embodiment, an elastic conductive piece mounting hole is arranged in the fixed seat and has an upper end and a lower end, a radial spacing wall is arranged between the upper end and the lower end of the elastic conductive piece mounting hole, and an axial through hole is arranged on the spacing wall; the elastic conductive piece is provided with a diameter reduction part, and the radial dimension of the diameter reduction part is reduced relative to the rest part and is not larger than the radial dimension of the axial through hole.

In one embodiment, when the intermediate bulk container is placed on the ground, the portion of the resilient conductor between the radial spacing wall and the upper end of the resilient conductor mounting hole and the portion between the radial spacing wall and the lower end of the resilient conductor mounting hole are both in a compressed state.

In one embodiment, said resilient conductive member comprises a first spring and a second spring, said first spring being located between said radially spaced wall and said upper end of said resilient conductive member mounting hole and said second spring being located between said radially spaced wall and said lower end of said resilient conductive member mounting hole, said first spring and said second spring being electrically connected to each other by a metal rod, said metal rod passing through said axial through hole in said radially spaced wall.

In one embodiment, the metal rod is a threaded rod that is secured to the radial partition walls by a nut.

In one embodiment, the positioning rod is a valve stem of a butterfly valve in the discharge port.

The utility model provides a liquid antistatic method for medium-sized bulk container has solved the problem of liquid bag static in the box, just the utility model discloses used elasticity electrically conductive piece simple structure, manufacturing process are good, easy operation save the cost.

Drawings

Fig. 1 is a perspective view of an intermediate bulk container according to the present invention.

Fig. 2 is a sectional view of the intermediate bulk container according to the present invention.

Fig. 3 is an enlarged view of a portion a of fig. 2.

Fig. 4 is a bottom perspective view of the intermediate bulk container according to the present invention.

Fig. 5 is another bottom perspective view of the intermediate bulk container according to the present invention, wherein the mounting base is removed from the base.

Fig. 6 is a bottom exploded view of the intermediate bulk container according to the present invention.

Fig. 7 is an enlarged view of a portion B of fig. 6.

Fig. 8 is an exploded view of an intermediate bulk container according to the present invention.

Detailed Description

The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the objects, features and advantages of the invention can be more clearly understood. It should be understood that the embodiments shown in the drawings are not intended as limitations on the scope of the invention, but are merely illustrative of the true spirit of the technical solutions of the present invention.

In the following description, for the purposes of illustrating various disclosed embodiments, certain specific details are set forth in order to provide a thorough understanding of the various disclosed embodiments. One skilled in the relevant art will recognize, however, that the embodiments may be practiced without one or more of the specific details. In other instances, well-known devices, structures and techniques associated with this application may not be shown or described in detail to avoid unnecessarily obscuring the description of the embodiments.

Throughout the specification and claims, the word "comprise" and variations thereof, such as "comprises" and "comprising," are to be understood as an open, inclusive meaning, i.e., as being interpreted to mean "including, but not limited to," unless the context requires otherwise.

Reference throughout this specification to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment is included in at least one embodiment. Thus, the appearances of the phrases "in one embodiment" or "in an embodiment" in various places throughout this specification are not necessarily all referring to the same embodiment. Furthermore, the particular features, structures, or characteristics may be combined in any suitable manner in one or more embodiments.

As used in this specification and the appended claims, the singular forms "a", "an", and "the" include plural referents unless the context clearly dictates otherwise. It should be noted that the term "or" is generally employed in its sense including "and/or" unless the context clearly dictates otherwise.

In the following description, for the sake of clarity, the structure and operation of the present invention will be described with the aid of directional terms, but the terms "front", "rear", "left", "right", "outer", "inner", "outer", "inward", "upper", "lower", etc. should be understood as words of convenience and not as words of limitation.

One embodiment of the present application relates to an intermediate bulk container 100, the intermediate bulk container 100 comprising: a case 200 and a fluid bag 300, the case 200 including a base 210 and sidewalls 220 extending upward from the base 210 and connected to each other; the liquid bag 300 is placed in the box body 200, the liquid bag 300 is provided with a discharge port 312, the discharge port 312 is provided with an outer wall 360, the outer wall 360 is limited in an exhaust channel 313 communicated with the liquid bag 300, the lower end of the outer wall 360 is connected with a conductive piece 500, and the conductive piece 500 is fixedly accommodated in the base and at least extends to the bottom surface of the base.

Embodiments of the present application are described below with reference to the drawings.

Fig. 1 is a perspective view of an intermediate bulk container according to the present invention, and as shown in fig. 1, the intermediate bulk container 100 includes a container body 200 and a liquid bag 300.

The case 200 includes a base 210 and sidewalls 220 extending upward from the outer circumference of the base 210 and connected to each other. In the illustrated embodiment, the base 210 has a substantially rectangular plate shape, and four sidewalls 220 extend upward from the outer circumference of the base 210 and are connected to each other to form an inner space for accommodating the liquid bag 300. It should be understood that the base 210 may take other shapes, such as circular, square, etc. The sidewall 220 can also extend upward from any position on the upper surface of the base 210, as long as the sidewall 220 and the base 210 together define an inner space for accommodating the fluid bag 300; the bottom of the tank 200 is provided with a drain port fitting 212 for fitting a drain port 312 of the fluid bag 300 and enabling access to the drain port 312 from the outside of the tank 200.

The liquid bag 300 is placed in the box body 200, the liquid bag 300 is a plastic bag made of flexible plastic sheet material, in the illustrated embodiment, the liquid bag 300 is in a substantially rectangular parallelepiped shape when placed in the box body 200, referring to fig. 6 and 8, the liquid bag 300 includes a bottom portion 310, and a side portion 320 and a top portion 330 integrally formed with the bottom portion, and the liquid bag 300 is provided with a filling opening 340 and a discharge opening 312; when the fluid bag 300 is positioned within the housing 200, the fill port 340 is generally located at the top of the fluid bag 300, and the drain port 312 is located at the bottom of one side of the fluid bag 300.

Referring to fig. 2 and 8, a portion of the bottom 310 of the bag 300 adjacent to the discharge port 312 is located in a depression formed in the upper surface of the base 210, the spout installation part 212 is a through opening provided on the side of the depression of the base 210 facing the outside, and the discharge port 312 is installed and fixed in the spout installation part 212. The portion of the bottom 310 of the bag 300 adjacent the discharge port 312 is recessed to allow the liquid within the bag 300 to be more easily drained. It should be understood that the vent mount 212 may also be disposed at the bottom of the sidewall 220.

The discharge port 312 has an outer wall 360, the outer wall 360 defines a discharge passage 313 through which the fluid bag 300 communicates, and a conductive member 500 is connected to a lower end of the outer wall 360, and the conductive member 500 is fixedly received in the base and extends at least to a bottom surface of the base.

In one embodiment, the outer wall 360 includes a cylindrical body 361 and a protruding rod 362 extending downward from an outer circumferential surface of the cylindrical body 361. The protruding rod 362 is provided to facilitate good contact of the conductive member 500 therewith. It should be understood, however, that the outer wall 360 may include only the cartridge 361, with the conductive member 500 being in direct contact with the outer wall of the cartridge 361. In the illustrated embodiment, the protruding rod 362 sealingly passes through an outer wall 360 of the discharge passage 313, an upper end of the protruding rod 362 being located within the discharge passage 312, and a lower end of the protruding rod 362 extending downward out of the discharge passage 313. It should be understood that the projecting rod 362 may also be integrally formed with the outer wall 360. The conductive member 500 is fixedly received in the base 210, and the upper end thereof is in contact with the protruding rod 362, the outer wall 360, the protruding rod 362 and the conductive member 500 are all antistatic materials, that is, materials capable of conducting electricity, when the case 200 is placed on the ground, the lower end of the conductive member 500 is in contact with the ground, and static electricity in the liquid bag 300 is transferred to the ground through the protruding rod 362 and the conductive member 500.

Referring to fig. 3, 4 and 6, the base 210 of the case 200 is provided with a plurality of protrusions 211 protruding downward, and the plurality of protrusions 211 are at least uniformly maintained in height so that the case 200 can be stably placed on a horizontal plane. The depression is formed in one of the protrusions 211 of the base 210, so that a discharge port mounting portion 212 for mounting a discharge port 312 of the fluid bag 300 is formed at one side of the depression of the base 210, that is, the discharge port mounting portion 212 is disposed at a position corresponding to the discharge port 312 of the fluid bag 300, the discharge port 312 is further provided with a protruding rod 362, the protruding rod 362 is made of an antistatic material, an upper end of the protruding rod 362 sealingly penetrates through an outer wall of the discharge passage 313 to contact the fluid in the discharge passage 313 to conduct static electricity, and a lower end thereof extends downward to the outside of the discharge passage 313 out of the discharge passage 313. Wherein the antistatic material has a surface resistivity of 10 ⁵ To 10 ¹¹ Ohm.

In the embodiment shown in the drawings, the projecting rod 362 is a valve stem of a butterfly valve within the discharge passage 313, the valve stem sealingly passing through the cylindrical body 361 of the outer wall 360 such that the upper end of the valve stem is located within the discharge passage 313 and the lower end of the valve stem extends downwardly out of the discharge passage 313, but it will be appreciated that the projecting rod 362 may be a separate component from the valve stem as long as it is capable of sealing penetration into the discharge port to contact the liquid to electrostatically conduct the liquid out of the discharge port 312.

A conductive member 500 is disposed below the protrusion rod 362, the conductive member 500 is fixed and accommodated in the base 210, and the upper end of the conductive member 500 contacts the protrusion rod 362, when the case 200 is placed on the ground, the lower end of the conductive member 500 contacts the ground, static electricity generated by the liquid in the liquid bag 300 is conducted to the conductive member 500 through the protrusion rod 362, and the conductive member 500 contacts the ground to transmit the static electricity to the ground, it can be understood that the outer wall 360 may conduct electricity independently, the lower end of the conductive member 500 contacts the ground, and the upper end of the conductive member is sufficiently contacted with the outer wall 360 to discharge the static electricity in the liquid bag 300.

According to the above structure of the present invention, the upper end of the protruding rod 362 contacts with the liquid in the liquid bag 300, and the lower end contacts with the conductive piece 500, and when the box 200 is placed on the ground, the conductive piece 500 contacts with the ground, so that the static electricity in the liquid can be guided into the ground through the protruding rod 362 and the conductive piece 500, and the static electricity in the liquid bag 300 can be guided out.

Referring to fig. 5, receiving channel 213 penetrating through base 210 and communicating with discharge port mounting portion 212 is provided below discharge port mounting portion 212 of case 200, receiving channel 213 is a rectangular channel and is opened toward the bottom, fixing seat 400 is provided in receiving channel 213, conductive member 500 is provided in fixing seat 400, and conductive member 500 is fixed in position with respect to base 210 by placing fixing seat 400 into receiving channel 213. It should be understood that the conductive member 500 may be directly fixedly installed in the receiving channel 213 formed on the base 210 as long as the conductive member 500 is in contact with the ground when the case 200 is placed on the ground after being fixed in place.

In order to facilitate the fixing base 400 to be detachably mounted in the receiving channel 213, at least one locking hole 214 is provided inside the receiving channel 213, and at least one elastic latch 410 is correspondingly provided on the outer circumferential side of the fixing base 400, the elastic latch 410 can be latched into the locking hole 214 to form a latching structure, and the fixing base 400 is detachably mounted in the receiving channel 213 through the latching structure. It should be understood that the engaging structure may be implemented in other manners, such as providing a resilient catch in the receiving channel 213 and a locking hole on the outer circumference of the holder 400. In the illustrated preferred embodiment, the fixing base 400 is provided at both sides of the outer circumferential surface thereof with one elastic locking catch 410, and at the opposite sides of the inner circumferential surface of the receiving channel 213 with one locking hole 214, respectively. It should be understood that the location and number of the resilient catches 410 and the locking holes 214 may be arbitrarily set as desired. Furthermore, the engagement of the two can also be realized by, for example, elastic arms and snap grooves provided in the accommodation passage 213 and on the outer peripheral side of the holder 400, respectively. Of course, the fixing base 400 and the receiving channel 213 can be detachably mounted by other means such as screw connection without departing from the scope of the present invention.

Fixing base 400 is a rectangular parallelepiped frame, the outline of the rectangular parallelepiped clip matches the inner peripheral outline of receiving channel 213 and can be stably installed in receiving channel 213, and after conductive device 500 is fixed on fixing base 400, fixing base 400 is fixedly received in receiving channel 213 together with conductive device 500.

It will be appreciated that the receiving channel 213 and the holder 400 may also have other shapes, such as cylindrical or prismatic, as long as the holder 400 and the receiving channel 213 are shaped to match and fit within the receiving channel 213.

In the illustrated embodiment, the conductive member 500 is a resilient conductive member that is compressed when the case 200 is placed on the ground, ensuring reliable electrical contact between the resilient conductive member and the protruding rod 362 and the ground; an elastic conductive piece mounting hole 420 which is integrally formed and penetrates through the fixing seat 400 along the thickness direction of the base 210 is formed in the cuboid frame of the fixing seat 400 so as to facilitate mounting of an elastic conductive piece, a radial partition wall 421 is arranged in the middle of the cylindrical elastic conductive piece mounting hole to divide the elastic conductive piece mounting hole 420 into an upper part and a lower part, and an axial through hole 422 is formed in the radial partition wall 421 so as to enable the upper part and the lower part of the fixing seat 400 to be penetrated; the elastic conductive member mounting hole 420 serves to mount an elastic conductive member and limit horizontal movement of the mounted elastic conductive member, and the shape of the elastic conductive member mounting hole 420 is not limited as long as the elastic conductive member can be more stably mounted, and in the embodiment shown in fig. 2 and 3, the elastic conductive member mounting hole 420 is a cylindrical through hole, it is understood that the elastic conductive member mounting hole 420 may also be other shapes, such as a square prism or other polygonal prisms, and the elastic conductive member mounting hole 420 may be configured according to the shape of the elastic conductive member.

The elastic conductive member is fixedly installed in the elastic conductive member installation hole 420 of the fixing seat 400, the elastic conductive member also has an upper end 510, a lower end 520 and a reduced diameter portion 600, the radial dimension of the reduced diameter portion 600 is reduced relative to the rest and is not greater than the radial dimension of the axial through hole 422 of the fixing seat 400, the reduced diameter portion 600 is located between the upper end 510 and the lower end 520 of the elastic conductive member, the elastic conductive member is located at the upper section of the upper portion of the reduced diameter portion 600 and the lower section of the lower portion of the reduced diameter portion 600 and is respectively installed at the upper portion and the lower portion of the fixing seat 400, the reduced diameter portion 600 is fixedly installed in the axial through hole 423 of the fixing seat 400, and the elastic conductive member is fixed in the elastic conductive member installation hole 420 through the reduced diameter portion 600. In the embodiment shown in fig. 5, 6 and 7, the elastic conductive member is a coil spring, the upper section of the elastic conductive member is a first spring 510, the lower section of the elastic conductive member is a second spring 520, and the reduced diameter portion 600 is a metal rod 600; the first spring 510 is located at the upper end of the radial partition wall 421 and the axial through hole 422, that is, is installed at the upper part of the fixed seat 400, and the upper end of the first spring 510 protrudes out of the upper end of the fixed seat 400 and contacts with the lower part of the protruding rod 362; the second spring 520 is located at the lower end of the radial partition wall 421 and the axial through hole 422, i.e. is mounted at the lower part of the fixed seat 400, and the lower end of the second spring 520 slightly protrudes from the fixed seat 400 and the protruding part 211 so that the second spring 520 contacts with the ground; the first spring 510 and the second spring 520 are electrically connected to each other by a metal rod 600, the metal rod 600 passes through an axial through hole 422 of the radial partition wall 421, in the embodiment shown in fig. 5, 6 and 7, the metal rod 600 is a screw 610, and the screw 610 is fixed to the radial partition wall 421 by a nut 620, but it should be understood that the elastic conductive member may be in other forms, such as an elastic wire mesh tube, a three-dimensional woven wire mesh cylinder, or a leaf spring, etc., as long as it is capable of conducting electricity and has elasticity such that it can be compressed when the case 200 is placed on the ground. The tapered portion of the resilient conductive member may also take different forms, such as when the resilient conductive member is a wire mesh tube or a three-dimensional braided wire mesh cylinder, which may be radially compressed to taper into the axial through-hole 422 to form the tapered portion. It should be understood that the elastic conductor may be secured within the elastic conductor mounting hole 420 in other ways, such as by bonding or welding between the ends of the elastic conductor to the inner wall of the elastic conductor mounting hole 420.

After the elastic conductive member is fixedly installed on the fixing seat 400, the upper end of the first spring 510 contacts the protruding rod 362, the lower end of the first spring 510 is electrically connected with the upper end of the second spring 520 through the screw 610, the lower end of the second spring 520 contacts with the ground, and the static electricity of the liquid in the liquid bag 300 is conducted to the first spring 510, the screw 610 and the second spring 520 to the ground through the protruding rod 362, so that the liquid bag 300 is ensured to be in a static electricity-free state.

While the preferred embodiments of the present invention have been described in detail above, it should be understood that aspects of the embodiments can be modified, if necessary, to employ aspects, features and concepts of the various patents, applications and publications to provide yet further embodiments.

These and other changes can be made to the embodiments in light of the above detailed description. In general, in the claims, the terms used should not be construed to be limited to the specific embodiments disclosed in the specification and the claims, but should be construed to include all possible embodiments along with the full scope of equivalents to which such claims are entitled.

Claims

1. An intermediate bulk container comprising:

the box body comprises a base and side walls which extend upwards from the base and are connected with each other;

the liquid bag is positioned in the box body;

a vent having an outer wall defining a vent passage in communication with the fluid bag;

and the upper end of the conductive piece is in contact with the outer wall, and the conductive piece is fixed and contained in the base and at least extends to the bottom surface of the base.

2. The intermediate bulk container according to claim 1, wherein the conductive member is an elastic conductive member, at least a portion of which has elasticity such that when the container body is placed on the ground, the elastic conductive member is in a compressed state and a lower end of the elastic conductive member is in contact with the ground.

3. The intermediate bulk container according to claim 1, wherein the outer wall includes a cylindrical body and a protruding rod extending downward from an outer circumferential surface of the cylindrical body, and the conductive member is in contact with the protruding rod.

4. The intermediate bulk container according to claim 2, wherein said resilient electrically conductive member is a spring.

5. The intermediate bulk container according to claim 1, wherein a receiving channel is provided in the base through which the conductive member is fixed and received.

6. The intermediate bulk container according to claim 1, wherein a receiving channel is formed in the base and penetrates through the base, a fixing seat is detachably mounted in the receiving channel, and the conductive member is fixed to the fixing seat.

7. The intermediate bulk container according to claim 6, wherein the fixing base is fitted in the receiving channel by a snap-fit structure.

8. The intermediate bulk container according to claim 7, wherein at least one side of the fixing base is provided with an elastic locking buckle and the corresponding side of the receiving channel is provided with a locking hole.

9. The intermediate bulk container as claimed in claim 6, wherein the conductive member is an elastic conductive member, the fixing seat is provided therein with an elastic conductive member mounting hole, the elastic conductive member has an upper end and a lower end, and the elastic conductive member is fixed to the elastic conductive member mounting hole between the upper end and the lower end.

10. The intermediate bulk container according to claim 9, wherein the fixing base has an elastic conductive member mounting hole therein having an upper end and a lower end, a radial partition wall is provided between the upper end and the lower end of the elastic conductive member mounting hole, and the partition wall is provided with an axial through hole; the elastic conductive piece is provided with a diameter reduction part, and the radial dimension of the diameter reduction part is reduced relative to the rest part and is not larger than the radial dimension of the axial through hole.

11. The intermediate bulk container according to claim 10, wherein when the intermediate bulk container is placed on the ground, a portion of the elastic conductive member between the radial partition wall and the upper end of the elastic conductive member mounting hole and a portion between the radial partition wall and the lower end of the elastic conductive member mounting hole are both in a compressed state.

12. The intermediate bulk container according to claim 10, wherein said resilient conductive member comprises a first spring and a second spring, said first spring being located between said radially spaced wall and said upper end of said resilient conductive member mounting hole and said second spring being located between said radially spaced wall and said lower end of said resilient conductive member mounting hole, said first spring and said second spring being electrically connected to each other by a metal rod, said metal rod passing through said axial through hole in said radially spaced wall.

13. The intermediate bulk container according to claim 12, wherein the metal rod is a screw fixed to the radial partition wall by a nut.

14. The intermediate bulk container according to claim 3, wherein the projecting rod is a valve stem of a butterfly valve in the discharge port, the valve stem sealingly penetrating the cylindrical body of the outer wall such that an upper end of the valve stem is located within the discharge passage and a lower end of the valve stem extends downwardly out of the discharge passage.