CN210914404U

CN210914404U - Flexible connecting pipe joint for preventing material accumulation

Info

Publication number: CN210914404U
Application number: CN201921725442.7U
Authority: CN
Inventors: 吕元元; 崔永成; 范家秀
Original assignee: Zhengzhou Tongding Machinery Equipment Co ltd
Current assignee: Zhengzhou Tongding Machinery Equipment Co ltd
Priority date: 2019-10-15
Filing date: 2019-10-15
Publication date: 2020-07-03
Anticipated expiration: 2029-10-15

Abstract

The utility model discloses a flexonics pipe joint for preventing long-pending material relates to powder conveying equipment field, including last connecting piece, flexible connection bag, the lower connecting piece that from top to bottom connects gradually, flexible connection bag both ends are connected respectively on last connecting piece, lower connecting piece lateral wall, it is provided with anticreep ring to correspond flexible connection bag hookup location department on connecting piece, the lower connecting piece, it is the straight tube to go up the connecting piece, the connecting piece is including the awl type portion and the straight tube portion that are linked together down, the sectional area of awl type portion is linear degressive from top to bottom, in the awl type portion that the upper connecting piece lower extreme extends to the connecting piece down, possess and prevent long-pending material effectual, the smooth and easy advantage of material transport.

Description

Flexible connecting pipe joint for preventing material accumulation

Technical Field

The utility model relates to a powder conveying equipment field especially relates to a flexible connection pipe joint.

Background

In the production process of powdery materials, however, due to too severe working conditions or special physical properties of the materials, the material level cannot be directly monitored, and the method of reacting the material level by weighing is a means with low cost, easy maintenance and high precision. The rubber flexible connection can achieve the purpose of absorbing deformation and vibration of the pipeline by a relatively small length, and meanwhile, very small additional stress is generated on the pipeline, and qualitative analysis can be carried out on the stress, so that the rubber flexible connection is a flexible connection commonly used in the field of chemical pipeline fittings at present. However, the sizes of the feeding port and the discharging port of the existing flexible connection are the same, which can cause the accumulation of materials at the connection position to generate outward extrusion force, thereby affecting the weighing precision of powder and the service life of the flexible cloth tube, and seriously affecting the service life and the product quality of products.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defect that prior art exists, provide a flexonics union coupling for preventing long-pending material, possess and prevent long-pending effectual, the smooth and easy advantage is carried to the material.

In order to realize the above purpose, the utility model discloses a technical scheme is: the utility model provides a flexible connection pipe joint for preventing long-pending material, includes last connecting piece, flexible connection bag, the lower connecting piece that from top to bottom connects gradually, flexible connection bag both ends are connected respectively on last connecting piece, lower connecting piece lateral wall, it is provided with the anticreep ring to correspond flexible connection bag hookup location department on connecting piece, the lower connecting piece, it is the straight tube to go up the connecting piece, the connecting piece is including the awl type portion and the straight tube portion that are linked together down, the sectional area of awl type portion is from top to bottom linear degressing, it extends to down in the awl type portion of connecting piece to go up the connecting piece lower extreme.

In order to further optimize the utility model discloses, can prefer following technical scheme for use:

preferably, the inner diameter of the upper connecting piece is larger than that of the straight pipe part in the lower connecting piece.

Preferably, the tapered portion and the straight tube portion are integrally formed metal pieces.

Preferably, the conical part is one of a cone and a multi-pyramid.

Preferably, the included angle between the generatrix of the conical part and the horizontal plane ranges from 55 degrees to 65 degrees.

Preferably, the flexible soft connection bag is one of a cloth bag and a rubber bag.

Preferably, the length value of the lower end of the upper connecting piece extending into the lower connecting piece is 40-60 mm.

Preferably, the lower connecting piece is provided with a cylindrical material receiving part outside, a cleaning opening is formed in the outer side wall of the cylindrical material receiving part, and a sealing piece is arranged on the cylindrical material receiving part corresponding to the cleaning opening.

Preferably, the sealing element is a steel plate, and a sealing gasket is arranged on the inner side wall of the steel plate.

Preferably, the sealing element is a cloth bag, and an anti-falling ring is arranged on the outer side wall of the cleaning opening and corresponds to the opening position of the cloth bag.

The utility model has the advantages that: the flexible connecting pipe joint has the advantages that the upper connecting piece and the lower connecting piece are connected into a whole through the flexible connecting bag, the problem that the weighing precision is influenced by easy material blockage of the original powdery material is solved, the lower end connecting piece is of a conical structure and used for recovering blown materials, meanwhile, the sectional area of the conical part is linearly decreased from top to bottom, the downward sliding of the materials can be further assisted, flexible connecting bag anti-falling rings are arranged on the upper connecting piece and the lower connecting piece respectively to prevent the flexible connecting bags from slipping, meanwhile, the flexible connecting bag anti-falling rings are welded at the uppermost end of the lower connecting piece, the occurrence of material accumulation is effectively reduced, the conical part and the straight pipe part in the lower connecting piece are integrally formed metal pieces, the stability of the whole structure can be ensured, and the material leakage condition; the included angle range of the generatrix of the further conical part and the horizontal plane is 55-65 degrees, so that the smooth gliding of the material can be guaranteed, and a certain buffer area is formed.

Drawings

FIG. 1 is a schematic view of a first flexible connecting tube joint structure;

FIG. 2 is an enlarged view of the structure at A;

FIG. 3 is a schematic view of a second flexible connecting tube joint structure;

FIG. 4 is an enlarged view of the structure at B;

FIG. 5 is a schematic view of a third flexible connecting tube joint structure;

the device comprises an upper connecting piece, a straight pipe part, a conical part, a fixing part, a flexible connecting bag, a first anti-falling ring, a second anti-falling ring, a material receiving part, a cleaning opening, a steel plate, a sealing pad, a sealing bolt, a cloth bag and a third anti-falling ring, wherein the upper connecting piece is 1, the straight pipe part is 2, the conical part is 3, the fixing part is 4, the flexible connecting bag is 5, the first anti-falling ring is 6, the second anti-falling ring is 7, the material receiving part is.

Detailed Description

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

as shown in fig. 1-2, a flexible connecting pipe joint for preventing material accumulation, which has a strong airflow in the conveying pipeline, blows up the material in the pipeline, the flexible connection between the steel pipes is blown to expand, then the airflow disappears, the flexible connecting bag contracts, and part of the material begins to scatter and accumulate at the connecting position of the flexible connection and the steel pipes, thus easily causing blockage; flexible connection pipe connects including the last connecting piece 1 that from top to bottom connects gradually, flexible connection bag 5, the connecting piece down, flexible connection bag 5 both ends are connected respectively at last connecting piece, on the connecting piece lateral wall down, go up the connecting piece, it has anticreep ring one 6 to correspond flexible connection bag hookup location department welding on the connecting piece down, anticreep ring two 7, prevent flexible connection bag slippage, flexible connection bag anticreep ring welds in the top position of connecting piece down simultaneously, effectively reduce long-pending material and take place, it is 150mm for the pipe diameter to go up the connecting piece, the straight tube of wall thickness 4.5mm, the straight tube upper end links to each other with the swift current material pipe of batching balance, and batching balance required precision is higher, the lower extreme and other equipment connection of flexible connection pipe connects, and equipment vibration is great. The lower connecting piece comprises a conical part and a straight pipe part 2 which are communicated, the conical part 3 is one of a cone and a multi-pyramid, the sectional area of the conical part 3 is linearly decreased from top to bottom, the included angle between the generatrix of the conical part 3 and the horizontal plane is 60 degrees, the conical part is used for recovering blown materials and can further assist the materials to slide downwards, the lower end of the upper connecting piece extends into the conical part of the lower connecting piece by 40mm, and smooth sliding of the materials is guaranteed; the diameter value of the straight pipe part 2 is 100mm, the wall thickness is 4.5mm, the diameter value of the upper connecting piece is larger than that of the lower connecting piece, in order to further facilitate installation of the flexible connecting bag 5, the fixing part 4 is installed at the top of the conical part, the fixing part 4 adopts an equal-diameter pipe, the second anti-drop ring 7 is welded on the outer side wall of the fixing part, the connection firmness of the flexible connecting bag is ensured, the second anti-drop ring is welded at the uppermost end of the lower connecting piece, material accumulation is effectively reduced, the conical part and the straight pipe part in the lower connecting piece are integrally formed metal pieces, the stability of the whole structure can be ensured, and material leakage is prevented; the flexible connection pipe joint is a complete joint consisting of an upper connecting piece and a lower connecting piece, can be produced in batches and stored in a warehouse, and is convenient to use in a complete set. This flexible coupling pipe joint can realize keeping apart the vibration, prevent that the material from piling up, the automatic material of retrieving by blowing-up, functions such as the slip-off prevention of flexible coupling bag in the junction.

Example 2:

as shown in fig. 3 and 4, the structural difference between the present embodiment and embodiment 1 is that a cylindrical material receiving portion 8 is further installed on the lower connecting member corresponding to the outer side of the conical portion, a containing cavity is formed between the cylindrical material receiving portion 8 and the conical portion 3, the conical portion is used for recovering blown materials, the containing cavity is used for storing unrecovered materials, a cleaning opening 9 is formed in the outer side wall of the cylindrical material receiving portion, a steel plate 10 is installed on the cylindrical material receiving portion corresponding to the cleaning opening 9, and a layer of rubber gasket 11 is further installed on the inner side wall of the steel plate, so that the sealing performance at the connecting position is further improved; the steel sheet is installed in clearance mouth 9 positions through sealed 12 bolts of spiral shell, and operating personnel is convenient for clear up the material that holds the intracavity through clearance mouth 9, and then guarantees the operation of whole equipment, and other structures are the same with structure in embodiment 1 in this embodiment, no longer describe repeatedly.

Example 3:

as shown in fig. 5, the present embodiment is different from embodiment 2 in that a cloth bag is installed at a cleaning port, a soft seal of the cloth bag 13 replaces a steel plate, a third anti-drop ring is installed at a position corresponding to the installation position of the cloth bag on the cylindrical material receiving portion, and the connection stability of the cloth bag is ensured by the third anti-drop ring 14; on the one hand, the accommodating space of the accommodating cavity can be enlarged, on the other hand, the interior of the accommodating cavity can be buffered, and the structural stability of the whole equipment is improved. Other structures in this embodiment are the same as those in embodiment 2, and are not described again.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. The utility model provides a flexible connection coupling for preventing long-pending material which characterized in that: including last connecting piece, flexible coupling bag, the lower connecting piece that from top to bottom connects gradually, flexible coupling bag both ends are connected respectively on last connecting piece, lower connecting piece lateral wall, it is provided with the anticreep ring to correspond flexible coupling bag hookup location department on connecting piece, the lower connecting piece, it is the straight tube to go up the connecting piece, the connecting piece is including the coniform portion and the straight tube portion that are linked together down, the sectional area of coniform portion is linear from top to bottom and is steadilyd decrease, it extends to down in the coniform portion of connecting piece to go up the connecting piece lower extreme.

2. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the inner diameter value of the upper connecting piece is larger than that of the straight pipe part in the lower connecting piece.

3. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the tapered part and the straight pipe part are integrally formed metal pieces.

4. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the conical part is one of a cone and a multi-pyramid.

5. The flexible connecting pipe joint for preventing the accumulation according to claim 3, wherein: the included angle range of the generatrix of the conical part and the horizontal plane is 55-65 degrees.

6. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the flexible soft connecting bag is one of a cloth bag and a rubber bag.

7. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the length value of the lower end of the upper connecting piece extending into the lower connecting piece is 40-60 mm.

8. The flexible connecting pipe joint for preventing the accumulation according to claim 1, wherein: the connecting piece outside still is provided with the tube-shape and receives the material portion down, be provided with the clearance mouth on the tube-shape receives the material portion lateral wall, the last sealing member that corresponds the clearance mouth position of tube-shape receipt material portion.

9. The flexible connecting pipe joint for preventing material accumulation as claimed in claim 8, wherein: the sealing member is a steel plate, and a sealing gasket is arranged on the inner side wall of the steel plate.

10. The flexible connecting pipe joint for preventing material accumulation as claimed in claim 8, wherein: the sealing element is a cloth bag, and an anti-drop ring is arranged on the outer side wall of the cleaning opening corresponding to the opening position of the cloth bag.