CN215634990U

CN215634990U - Air bag sealing assembly of boiling drying granulator

Info

Publication number: CN215634990U
Application number: CN202121530653.2U
Authority: CN
Inventors: 黄一骏; 张庆新
Original assignee: Zhejiang Xiaolun Intelligent Manufacturing Co ltd
Current assignee: Zhejiang Xiaolun Intelligent Manufacturing Co ltd
Priority date: 2021-07-06
Filing date: 2021-07-06
Publication date: 2022-01-25
Anticipated expiration: 2031-07-06

Abstract

The utility model discloses an air bag sealing assembly of a boiling drying granulator, which comprises an air bag, an air nozzle arranged on the air bag, and a shell used for installing the air bag and the air nozzle, wherein a connecting part used for connecting the air nozzle is arranged on the air bag, a through hole used for installing the air nozzle is arranged on the connecting part, an assembling groove is arranged along the hole wall of the through hole, a convex edge is arranged on the outer side wall of the air nozzle at a position corresponding to the assembling groove, the convex edge is matched and assembled with the assembling groove, and when the air pressure in the air bag is greater than that of the outside air, the connecting part is sealed by the air pressure in the air bag and the convex edge. The utility model can solve the problem that the air nozzle in the prior art is easy to leak air.

Description

Air bag sealing assembly of boiling drying granulator

Technical Field

The utility model relates to the technical field of pharmaceutical equipment, in particular to an air bag sealing assembly of a boiling drying granulator.

Background

The boiling granulating drier is a common apparatus in pharmaceutical field, and its main structure is composed of base, tower body and charging barrel. The working principle of the boiling granulating drier is that the material powder particles are in an annular fluidized state in a raw material container (fluidized bed), and are preheated and mixed by purified heated air, and the adhesive solution is atomized and sprayed into the raw material container, so that a plurality of particles are aggregated into granules containing the adhesive.

Because each subassembly of boiling pelletization desiccator needs to seal up the installation, consequently, it is very important scheme to ensure the sealed effect between each subassembly, in traditional scheme, generally adopt the gasbag to seal up, and the application that accompanies the gasbag just needs to use the air cock, air cock gas leakage is the leading cause that the sealed effect of gasbag weakens in long-term use, consequently how to reduce the gas leakage of air cock, be the important technique that can keep sealed effect for a long time, can let equipment be in stable operating condition for a long time, and then let equipment be in best operating condition, and improve work efficiency.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects in the prior art, the utility model aims to provide an air bag sealing assembly of a boiling drying granulator, which can solve the problem that an air nozzle in the prior art is easy to leak air.

In order to achieve the purpose, the utility model provides the following technical scheme: boiling drying granulator's gasbag seal assembly, including the gasbag, set up air cock on the gasbag, be used for installing the shell of gasbag and air cock, be provided with the connecting portion that are used for connecting the air cock on the gasbag, set up the through-hole that is used for installing the air cock on this connecting portion, and seted up the assembly groove along the pore wall of this through-hole, the position that corresponds the assembly groove on the lateral wall of air cock is provided with protruding edge, protruding edge and assembly groove cooperation assembly, when having the atmospheric pressure that is greater than the outside air in the gasbag, connecting portion pass through the atmospheric pressure in the gasbag and seal with protruding edge.

As a further improvement of the utility model, the air tap comprises a connecting piece which is used for connecting with the shell and is provided with a connecting hole in the axial direction, an air pipe used for connecting with the air bag, and a one-way air tap connected with the air pipe, the convex edge is positioned on the outer side wall of one end of the air delivery pipe connected with the air bag, the other end of the convex edge is inserted into the connecting hole and is connected with the connecting piece in a sealing way, one end of the one-way air tap is inserted into the connecting hole to be hermetically connected with the connecting piece, the other end of the one-way air tap is used for inflating, the gas pipe is hermetically connected with the one-way air tap through a connecting piece, the outer side wall of one end of the connecting piece, which is opposite to the air bag, is provided with a convex edge, the position of the shell corresponding to the convex edge is provided with a step for clamping the convex edge, an arc-shaped groove is arranged on the position of the shell close to the convex edge, when the air pressure in the air bag is larger than the air pressure in the outside, the air bag is tightly attached to the groove to form sealing, and the convex edge is positioned between the step and the groove.

As a further improvement of the utility model, the air bag is attached to the flange, and when the air pressure in the air bag is greater than the air pressure in the outside, the air bag presses the flange, so that the flange is tightly attached to the step.

As a further improvement of the utility model, the gas pipe is hermetically connected with the connecting piece through a rubber ring.

As a further improvement of the utility model, a chamfer is arranged at the opening of one end of the connecting hole, which is opposite to the air bag, an acute angle gap is formed between the chamfer and the air delivery pipe, an annular bulge is arranged at the position of the air bag, which is opposite to the acute angle gap, the annular bulge is matched with the acute angle gap and is embedded into the acute angle gap, and the annular bulge is positioned between the convex edge and the connecting piece.

As a further improvement of the utility model, the cut-off surface of the air bag is in a concave shape, and one end of the air bag is provided with a recess for sealing, and when the air pressure inside the air bag is greater than the air pressure outside, the position of the recess is protruded outwards.

The utility model has the advantages that,

1. the air faucet is installed by utilizing the shell, so that the air faucet can be assembled more stably by utilizing the strength of the shell;

2. the assembling groove on the air bag can be clamped in a matched manner with the convex edge, the air nozzle can be connected into the air bag, the air bag is soft in material and has good deformability, and the convex edge can be better embedded into the assembling groove from the opening of the through hole;

3. when the air bag is inflated, the air pressure in the air bag begins to increase along with the inflation of air, at the moment, the interior of the air bag can begin to expand outwards by virtue of the air pressure in the air bag, the assembling groove can be tightly attached to the convex edge, a sealing effect is generated under the action of the air pressure, and under the condition that the air pressure in the air bag is larger, the sealing effect is better, so that good air tightness can be kept for a long time.

Drawings

FIG. 1 is a schematic cross-sectional view of a bladder of the present invention;

FIG. 2 is an enlarged view of portion A of FIG. 1;

FIG. 3 is an enlarged view of portion B of FIG. 1;

fig. 4 is a schematic perspective view of the present invention.

Reference numerals: 1. an air bag; 11. a connecting portion; 12. a through hole; 121. assembling a groove; 13. an annular projection; 2. an air tap; 21. a convex edge; 22. a connecting member; 221. connecting holes; 2211. chamfering; 222. a convex edge; 23. a gas delivery pipe; 24. a one-way air tap; 3. a housing; 31. a step; 32. a groove; 4. a rubber ring; 5. acute angle gap.

Detailed Description

The utility model will be further described in detail with reference to the following examples, which are given in the accompanying drawings.

Referring to fig. 1-4, the air bag 1 sealing assembly of the fluidized drying granulator of this embodiment includes air bag 1, air cock 2 arranged on air bag 1, and shell 3 for installing air bag 1 and air cock 2, be provided with connecting portion 11 for connecting air cock 2 on air bag 1, set up through-hole 12 for installing air cock 2 on this connecting portion 11, and seted up assembly groove 121 along the pore wall of this through-hole 12, the position that corresponds assembly groove 121 on the lateral wall of air cock 2 is provided with protruding edge 21, protruding edge 21 and assembly groove 121 cooperation assembly, when having the atmospheric pressure that is greater than the outside air in air bag 1, connecting portion 11 is sealed with protruding edge 21 through the atmospheric pressure in air bag 1.

Based on the above scheme, its theory of operation is as follows, gasbag 1 and air cock 2 are installed in shell 3, and this shell 3 is cyclic annular, and gasbag 1 and this shell 3 are adapted, imbed in shell 3, form the closed of ring dress gasbag 1. Utilize shell 3 to install air cock 2, can utilize shell 3's intensity to let air cock 2's assembly more stable, and assembly groove 121 on gasbag 1 can cooperate protruding edge 21 to carry out the joint, can connect air cock 2 in gasbag 1, and gasbag 1 material is softer, has very good deformability, can let protruding edge 21 from the better embedding assembly groove 121 of through-hole 12 opening part, based on this structure, when aerifing gasbag 1, along with gaseous filling, gasbag 1 inside atmospheric pressure can begin the grow, borrow gasbag 1 inside atmospheric pressure this moment, can let inside begin to expand outwards, assembly groove 121 can closely laminate with protruding edge 21, produce sealing effect under atmospheric pressure effect, under the big circumstances of gasbag 1 inside atmospheric pressure, sealed effect is better, consequently, can keep good gas tightness for a long time.

Specifically, air cock 2 is including being used for being connected and the axial has connecting piece 22 of connecting hole 221 with shell 3, be used for the air-supply pipe 23 of being connected with gasbag 1, the one-way air cock 24 of being connected with air-supply pipe 2, protruding edge 21 is located the lateral wall of the one end that air-supply pipe 23 is connected with gasbag 1, and the other end inserts connecting hole 221 and connecting piece 22 sealing connection, the one end of one-way air cock 24 inserts connecting hole 221 and connecting piece 22 sealing connection, and the other end is used for aerifing, air-supply pipe 23 passes through connecting piece 22 sealing connection with one-way air cock 24, the lateral wall of the relative gasbag 1's of connecting piece 22 one end is provided with chimb 222, the place that corresponds with chimb 222 on shell 3 is provided with the step 31 that supplies chimb 222 joint, and the position that is close to chimb 222 on this shell 3 is provided with curved recess 32, when having the atmospheric pressure that is greater than the outside air in gasbag 1, the air bag 1 is tightly attached to the groove 32 to form a seal, and the flange 222 is located between the step 31 and the groove 32.

Utilize one-way air cock 24 to ensure that gas filled one end keeps sealed, then seal between with air pipe 23 and one-way air cock 24 through connecting piece 22, the chimb 222 of connecting piece 22 can carry out the joint with the step 31 of shell 3, make to have the effect of preventing deviating from between connecting piece 22 and the shell 3, and can possess more stable fixed effect, avoid connecting piece 22 swing or shake, lead to the gas tightness between air pipe 23 and the gasbag 1 to receive the influence. And through the cooperation of recess 32 and gasbag 1, after gasbag 1 aerifys, can let the side of gasbag 1 enter into recess 32, utilize gasbag 1 extrusion recess 32 to realize sealed, and then keep apart the connection between chimb 222 and the step 31, avoid being difficult to realize sealed and leak gas between chimb 222 and the step 31.

Preferably, the airbag 1 is attached to the flange 222, and when the airbag 1 has a pressure greater than the external air, the airbag 1 presses the flange 222, and the flange 222 is closely attached to the step 31.

The convex edge 222 is attached to the airbag 1, so that the convex edge 222 can be extruded by the expansion effect of the airbag 1, the convex edge 222 is closely attached to the step 31, and the stability of fixing of the connecting piece 22 is ensured.

Preferably, the air pipe 23 is connected with the connecting piece 22 in a sealing way through the rubber ring 4. Utilize the rubber circle 4 to seal connecting piece 22 and air-supply pipe 23, can possess, good sealed effect to simple structure, the assembly is easy.

In order to further improve the sealing effect between the connecting piece 22 and the air delivery pipe 23, a scheme convenient to implement is further provided below, a chamfer 2211 is arranged at the opening of one end of the connecting hole 221, which is opposite to the air bag 1, an acute angle gap 5 is formed between the chamfer 2211 and the air delivery pipe 23, an annular bulge 13 is arranged at the position of the air bag 1, which is opposite to the acute angle gap 5, the annular bulge 13 is matched with the acute angle gap 5 and is embedded into the acute angle gap 5, and the annular bulge 13 is positioned between the convex edge 21 and the connecting piece 22.

In the above-mentioned scheme, let produce acute angle clearance 5 between gas-supply pipe 23 and the connecting hole 221 through setting up chamfer 2211, utilize annular protrusion 13 on the gasbag 1 and this acute angle clearance 5 cooperation, can imbed in acute angle clearance 5, and then increase the gas tightness between connecting piece 22 and the gas-supply pipe 23, in addition, through the inflation effect of gasbag 1, can let annular protrusion 13 further imbed in acute angle clearance 5 when gasbag 1 bloates, make it inseparabler that can cooperate.

As one preferable scheme, the cut-off surface of the airbag 1 is in a concave shape, and one end of the airbag has a recess for sealing, and the recess is protruded when the inside of the airbag 1 has an air pressure greater than the outside air.

Design into concave font with gasbag 1, can let the surface of gasbag 1 have a sunkenly under the uninflated state of gasbag 1, utilize this sunkenly to accomodate more 1 surfaces of gasbag, under the effect that gasbag 1 expands, can let sunken position protrusion, increase the contact surface when sealed, and then improve sealed effect.

The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the utility model may occur to those skilled in the art without departing from the principle of the utility model, and are considered to be within the scope of the utility model.

Claims

1. Boiling drying granulator's gasbag seal assembly, including the gasbag, set up air cock on the gasbag, be used for installing the shell of gasbag and air cock, its characterized in that, be provided with the connecting portion that are used for connecting the air cock on the gasbag, set up the through-hole that is used for installing the air cock on this connecting portion, and seted up the assembly groove along the pore wall of this through-hole, the position that corresponds the assembly groove on the lateral wall of air cock is provided with protruding edge, protruding edge and assembly groove cooperation assembly, when having the atmospheric pressure that is greater than the outside air in the gasbag, connecting portion pass through the atmospheric pressure in the gasbag and seal with protruding edge.

2. The airbag sealing assembly according to claim 1, wherein the air faucet comprises a connecting member axially having a connecting hole for connecting with the housing, an air delivery pipe for connecting with the airbag, and a one-way air faucet connected with the air delivery nozzle, the convex edge is located on the outer side wall of one end of the air delivery pipe connected with the airbag, the other end is inserted into the connecting hole and connected with the connecting member in a sealing manner, one end of the one-way air faucet is inserted into the connecting hole and connected with the connecting member in a sealing manner, the other end is used for inflating, the air delivery pipe and the one-way air faucet are connected in a sealing manner by the connecting member, the connecting member is provided with a convex edge on the outer side wall opposite to one end of the airbag, a step for clamping the convex edge is arranged on the housing corresponding to the convex edge, an arc-shaped groove is arranged on the housing near the convex edge, and when the air pressure greater than the outside air exists in the airbag, the airbag and the groove are tightly attached to form a seal, the convex edge is positioned between the step and the groove.

3. The balloon seal assembly of claim 2 wherein the balloon is attached to the rim, and wherein the balloon compresses the rim to provide a snug fit with the step when the balloon has a greater pressure than the outside air.

4. The airbag seal assembly of claim 2 or 3, wherein the gas pipe is connected with the connecting piece in a sealing manner through a rubber ring.

5. The airbag sealing assembly of claim 3, wherein the connecting hole is provided with a chamfer at an opening corresponding to one end of the airbag, an acute gap is formed between the chamfer and the gas pipe, the airbag is provided with an annular protrusion corresponding to the acute gap, the annular protrusion is matched with the acute gap and embedded into the acute gap, and the annular protrusion is positioned between the convex edge and the connecting piece.

6. The airbag seal assembly of claim 1, wherein the cut-off surface of the airbag is in a concave shape and has a concave end for sealing, the concave position protruding outward when the inside of the airbag has a pressure greater than that of the outside air.