JP3115644U - Follow plate device - Google Patents

Abstract

Provided is a follow plate device which can increase the durability of a seal portion of a follow plate device and can change the diameter of the seal portion freely, thereby enabling rational work.
A plate main body 1 to be mounted inside an opening of a bottomed cylindrical container P is provided. A plate bottom plate 2 is provided on the lower surface of the plate body 1. An annular elastic sealing body 3 mounted around the plate body 1 and the plate bottom plate 2 is provided. A clamp ring 5 is provided so as to be continuous around the plate body 1 and the plate bottom plate 2. A rubber tube-like elastic seal body 3 is mounted around the clamp ring body 5. An air cock 4 that encloses or discharges air is attached to the elastic seal body 3, and the elastic seal body 3 is provided so as to be swellable.
[Selection] Figure 1

Description

  The present invention pumps oil, silicon, grease, printing ink, adhesives, or various high-viscosity materials such as creamy foods, toothpastes, cosmetics, etc. stored in containers such as drums and pail cans from inside the container. The present invention relates to a follow plate device that is used by being inserted into a container when sucking with a.

  A follow plate device is used when various high-viscosity materials stored in a drum can or the like are sucked by a pump from the inside of the drum can or the like. The follow plate device described in Patent Document 1 is fixed to a press plate attached to the upper surface of the follow plate main body and a press plate attached to the bottom plate having the same diameter as the follow plate main body, and the bottom plate is a high viscosity material in the drum can. It has an annular sealing material made of rubber that is rich in elasticity and has a larger diameter than the follow plate body and bottom plate due to its own weight and descending air pressure only when in contact with the top surface of the pump Thus, when the follow plate device is mounted in the drum, the sealing material is in close contact with the inner surface of the drum.

In the follow plate device described in Patent Document 2, a hollow elastic tube is bent into an annular shape, and both ends of the short elastic tube having a slightly smaller diameter than the same tube are loosely inserted into and bonded to both ends of the tube. The surfaces are butted and bonded, and a hollow, ring-shaped elastic seal body is used. An annular groove having a U-shaped cross section is formed around the lower end of the annular frame having an inverted L cross section, and an elastic seal body is mounted in the annular groove, and a part of the elastic seal body is projected outward. Is. Air is sealed in the elastic seal body.
JP-A-8-82282 Utility Model Registration No. 3105575

  In the configuration in which the sealing material is brought into close contact with the inner surface of the drum can by the descending air pressure as in Patent Document 1, it is necessary to always apply the descending air pressure in order to keep the sealing material in an intimate contact state. For this reason, if the supply of pressurized air is cut off, the stored liquid may leak out. Further, since the screw member is used for fixing the seal material, there is a possibility that the load is concentrated on the screw portion for fixing the screw member and the seal material, and the seal is broken.

  On the other hand, as in Patent Document 2, in the case where a rubber tube-shaped elastic seal body is provided, the diameter of the elastic seal body is made steady. For this reason, after moving from the opening to the bottom of the container, the diameter of the elastic seal body does not change even in the operation of removing the follow plate device from the container, so that the elastic seal body is pulled out in close contact with the inner surface of the container. Become work. As a result, the work of removing the follow plate device inevitably hinders work efficiency. Furthermore, the rubber tube-like elastic seal body employs a structure that is mounted in an annular groove having a U-shaped cross section. Therefore, when the elastic seal body moves up and down in close contact with the inner surface of the container, the elastic seal body may be damaged at the edge portion of the annular groove at the contact portion between the elastic seal body and the annular groove.

  Therefore, the present invention has been devised to solve the above-mentioned problems, and while improving the durability of the seal part of the follow plate device, the diameter of the seal part can be freely changed, and rational work can be performed. The purpose is to provide a possible follow plate device.

  In order to achieve the above-mentioned object, the first means of the present invention is provided on the plate body 1 mounted inside the opening of the bottomed cylindrical container P storing the high-viscosity material, and on the lower surface of the plate body 1. A plate bottom plate 2 in contact with the high-viscosity material, and an annular elastic seal body 3 mounted around the plate body 1 and the plate bottom plate 2, and the elastic seal body 3 is in close contact with the inner surface of the container 1 In the follow plate device that discharges the high-viscosity material, the clamp ring 5 is provided continuously around the plate body 1 and the plate bottom plate 2, and a rubber tube-like elastic seal body is provided around the clamp ring 5. 3 is attached, and an air cock 4 for enclosing or discharging air is attached to the elastic seal body 3 so that the elastic seal body 3 is swellable, and the elastic seal body 3 is inflated when the high-viscosity material inside the container P is discharged. Inside the container P When the follow plate device is taken out from the inside of the container P, the elastic seal body 3 is removed so that the elastic seal body 3 does not adhere to the inner surface of the container P.

  The elastic sealing body 3 in the second means includes a rubber tube 3A that is provided with the air cock 4 and is swellable, and a wear-resistant packing rubber 3B that covers the outer peripheral surface of the rubber tube 3A. The packing rubber 3B is provided in close contact with the inner surface of the container P when 3A is inflated.

  The third means is that a reinforcing rib 3C is provided integrally with the packing rubber 3B in a portion of the packing rubber 3B covering the upper and lower surfaces of the rubber tube 3A, and the reinforcing rib 3C and the packing rubber 3B are substantially U-shaped in cross section. The clamp ring body 5 is provided with a pair of upper and lower locking claws 5A for locking the reinforcing rib 3C and fixing the elastic seal body 3, and elastically between the locking claws 5A. The means for solving the problem is that the seal body 3 is provided so as to be swellable.

  According to the first aspect of the present invention, the elastic seal body 3 is provided so as to be swellable so that the diameter of the elastic seal body can be changed in the operation of removing the follow plate device from the container, and the elastic seal is formed on the inner surface of the container P. Since the body 3 is not in close contact, work efficiency can be increased.

  Moreover, even if it is the elastic seal body 3 which can swell by providing in the two-layer structure of the rubber tube 3A and the packing rubber 3B like the elastic seal body 3 of Claim 2, the inner surface of the container P It is possible to prevent damage to the elastic seal body 3 brought into close contact therewith.

  Further, since the reinforcing rib 3C of the elastic seal body 3 is locked by the locking claws 5A of the clamp ring body 5 as in claim 3, the portion where the load is most generated in the elastic seal body 3 is strengthened, and the clamp ring body is also strengthened. The elastic seal body 3 is difficult to come off from 5. As a result, the durability of the elastic seal body 3 can be enhanced.

  As described above, according to the present invention, the durability of the seal part of the follow plate device is enhanced, and various beneficial effects such as rational work can be achieved by freely changing the diameter of the seal part. It is what you play.

  In the best mode of the present invention, a clamp ring 5 is provided around the plate body 1 and the plate bottom plate 2. A rubber tube-like elastic seal body 3 is mounted inside the clamp ring body 5. An air cock 4 that encloses or discharges air is attached to the elastic seal body 3 so that the elastic seal body 3 can be swelled. When the high-viscosity material inside the container P is discharged, the elastic seal body 3 is inflated and brought into close contact with the inside of the container P. When the follow plate device is taken out from the inside of the container P, the elastic seal body 3 is evacuated so that the elastic seal body 3 does not adhere to the inside of the container P. The elastic seal body 3 has a two-layer structure. That is, a rubber tube 3A that communicates with the air cock 4 and is swellable, and a hard packing rubber 3B that covers the outer periphery of the rubber tube 3A. The packing rubber 3B is provided in close contact with the inside of the container P by the swelling of the rubber tube 3A. Reinforcing ribs 3C are provided above and below the packing rubber 3B of the elastic seal body 3 so that the packing rubber 3B has a substantially U-shaped cross section. The clamp ring 5 is provided with a pair of upper and lower locking claws 5A for locking the reinforcing rib 3C and fixing the elastic seal body 3. The initial purpose is achieved by providing the elastic seal body 3 so as to be freely bulged between the locking claws 5A.

  Hereinafter, embodiments of the present invention will be described in detail with reference to the drawings. The device of the present invention is a device attached to an air-driven high-viscosity material pump (not shown) used when discharging a high-viscosity material from a container P such as a drum can storing a high-viscosity material. It is installed inside and supplies high viscosity material efficiently into the pump.

  The main structure of the device of the present invention is a plate body 1 mounted inside the opening of the bottomed cylindrical container P storing a high viscosity material, and a plate that is provided on the lower surface of the plate body 1 and contacts the high viscosity material It consists of a bottom plate 2 and an elastic seal body 3. That is, the pump is connected to the plate body 1 to lower the follow plate device, and the plate bottom plate 2 is brought into contact with the stored high viscosity material in the container of the container P. Then, the operation of the pump is started and the device of the present invention is gradually lowered while sucking the high viscosity material from the suction port 2A of the plate bottom plate 2 (see FIG. 1).

  The elastic seal body 3 is a rubber tube-shaped member that comes into close contact with the inner surface of the container P when the device of the present invention is lowered. An air cock 4 is attached to the elastic seal body 3, and the elastic seal body 3 expands when air is sealed through the air cock 4 (see FIG. 2), and the elastic seal body 3 contracts when the air is discharged. (See FIG. 3). The elastic seal body 3 is attached to the clamp ring body 5. The air cock 4 is provided with a valve (not shown).

  The clamp ring 5 is provided so as to be continuous around the plate body 1 and the plate bottom plate 2, and an elastic seal body 3 is mounted around the clamp ring 5 (see FIG. 1). The elastic seal body 3 has a two-layer structure of a rubber tube 3A and a packing rubber 3B. That is, the rubber tube 3A is made of elastic soft rubber, includes an air cock 4 that encloses air, and is provided so as to be swellable like a tube of a bicycle tire (see FIG. 2). The illustrated rubber tube 3A is provided such that the inner peripheral surface side of the elastic seal body 3A is fitted and fixed to the groove portion 5B of the clamp ring 5 so that only the outer peripheral surface of the rubber tube 3A swells. The air cock 4 is provided on the inner peripheral side of the rubber tube 3A that passes through the clamp ring 5 and is fixed to the groove 5B.

  On the other hand, the packing rubber 3B is formed of a wear-resistant rubber such as neoprene rubber that covers the outer peripheral surface of the rubber tube 3A. And when rubber tube 3A is expanded, packing rubber 3B is provided so that it may closely_contact | adhere to the inner surface of container P (refer FIG. 2). The illustrated packing rubber 3B is formed so as to cover the outside of the rubber tube 3A. At this time, a reinforcing rib 3C is provided in a portion covering the upper and lower surfaces of the rubber tube 3A, and the reinforcing rib 3C and the packing rubber 3B are formed to have a substantially U-shaped cross section (see FIG. 3).

  The reinforcing rib 3C protects the rubber tube 3A and prevents the expanded rubber tube 3A and packing rubber 3B from being detached from the clamp ring 5 (see FIG. 2). That is, the clamp ring 5 is provided with a pair of upper and lower locking claws 5A, and the reinforcing ribs 3C are locked in the grooves 5A. When the elastic seal body 3 is fixed in this manner, the elastic seal body 3 can bulge freely between the locking claws 5A.

  In order to use the present invention, the elastic seal body 3 is inflated and brought into close contact with the inner surface of the container P when the high-viscosity material inside the container P is discharged (see FIG. 2). Further, when the highly viscous material in the container P is discharged and the device of the present invention reaches the bottom of the container P, when the elastic seal body 3 is evacuated, the elastic seal body 3 is contracted to be elastic on the inner surface of the container P. The seal body 3 is not in close contact (see FIG. 3). In this state, the follow plate apparatus of the present invention is taken out from the inside of the container P.

  It should be noted that the embodiments of the present invention are not limited to the illustrated examples, and changes in design of each member, replacement of parts, and the like can be freely changed without departing from the gist of the present invention.

The front view of the use condition which shows one Example of this invention. The principal part sectional drawing which shows one Example of this invention. The principal part sectional drawing which shows one Example of this invention.

Explanation of symbols

P Container 1 Plate body
2 Plate bottom plate 2A Suction port 3 Elastic seal body 3A Rubber tube
3B packing rubber
3C reinforcement rib
4 Aircock
5 Clamp ring 5A Locking claw
5B Groove

Claims (3)

  A plate main body mounted inside the opening of the bottomed cylindrical container storing the high-viscosity material, a plate bottom plate provided on the lower surface of the plate main body and contacting the high-viscosity material, and a periphery of the plate main body and the plate bottom plate In a follow plate device that discharges a high-viscosity material while adhering the elastic seal body to the inner surface of the container, the follower plate device is continuous with the periphery of the plate body and the plate bottom plate. A clamp ring is provided on the rubber ring, a rubber tube-like elastic seal is attached around the clamp ring, and an elastic cock is provided so that the elastic seal can be swelled by attaching an air cock that encloses or discharges air to the elastic seal. When the high-viscosity material inside the container is discharged, the elastic seal body is inflated and brought into close contact with the inner surface of the container. Follow plate unit elastic seal member to the container inner surface by far is characterized by providing so as not to contact.   The elastic seal body includes a rubber tube that includes the air cock and is swellable, and a wear-resistant packing rubber that covers an outer peripheral surface of the rubber tube. When the rubber tube is inflated, the packing rubber is in the container. The follow plate apparatus according to claim 1, wherein the follow plate apparatus is provided so as to be in close contact with a side surface. In the packing rubber, reinforcing ribs are provided integrally with the packing rubber at portions covering the upper and lower surfaces of the rubber tube, the reinforcing rib and the packing rubber are formed so as to form a substantially U-shaped cross section, and the clamp ring The follow according to claim 1 or 2, wherein the body is provided with a pair of upper and lower locking claws for locking the reinforcing ribs and fixing the elastic seal body, and the elastic seal body is swelled between the locking claws. Plate equipment.

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