CN219682185U - Fixed end structure of membrane tube - Google Patents
Fixed end structure of membrane tube Download PDFInfo
- Publication number
- CN219682185U CN219682185U CN202321166962.5U CN202321166962U CN219682185U CN 219682185 U CN219682185 U CN 219682185U CN 202321166962 U CN202321166962 U CN 202321166962U CN 219682185 U CN219682185 U CN 219682185U
- Authority
- CN
- China
- Prior art keywords
- membrane tube
- boss
- threaded
- screw thread
- end head
- Prior art date
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- 239000012528 membrane Substances 0.000 title claims abstract description 76
- 238000012360 testing method Methods 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 8
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 8
- 241001330002 Bambuseae Species 0.000 claims description 8
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 8
- 239000011425 bamboo Substances 0.000 claims description 8
- 230000006835 compression Effects 0.000 claims description 8
- 238000007906 compression Methods 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005056 compaction Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 229910045601 alloy Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The utility model provides a membrane tube fixing end head structure which comprises a first end head and a second end head in threaded connection with the first end head, wherein hollow cavities penetrating through the first end head and the second end head are formed in the first end head, the first end head is of an integrated structure and comprises a membrane tube plug, a first threaded part, a hexagonal screwing boss and a second threaded part which are sequentially and fixedly connected, the membrane tube plug is composed of a straight barrel part connected with the first threaded part and a conical table part arranged on the straight barrel part, the outer diameter of the first threaded part is larger than that of the straight barrel part, and a third threaded part matched with the first threaded part and a pressing boss matched with the straight barrel part are arranged in the hollow cavity of the second end head.
Description
Technical Field
The utility model belongs to the technical field of mechanical parts, and particularly relates to a membrane tube fixing end structure.
Background
The membrane separation technology has the advantages of simple operation, small occupied area, good separation effect, no phase change in the treatment process, no generation of new pollutants and the like, and particularly the tubular membrane can treat high-solid-content substances, high-concentration salt concentrated solution and the like, has the advantages of difficult blocking and the like, is widely applied in the field of water treatment, and needs to carry out spot check on a single membrane tube after each batch of tubular membranes are produced so as to characterize various properties such as flux, strength and the like of the membrane tube, so that a membrane tube fixing end structure is needed to be installed at two ends of the membrane tube when the membrane tube is subjected to performance test so as to be connected with a testing device.
Disclosure of Invention
The utility model aims to solve the problem of providing a membrane tube fixing end structure which has the advantages of simple structure, convenient operation, good sealing performance and stable connection.
In order to solve the technical problems, the utility model adopts the following technical scheme: the utility model provides a fixed end structure of membrane pipe, includes first end and with first end threaded connection's second end, be the cavity that runs through in first end and the second end, first end is integrated into one piece structure, first end is including fixed connection's membrane pipe plug in proper order, first screw thread portion, hexagonal screw up boss and second screw thread portion, the membrane pipe plug by with the straight section of thick bamboo portion of first screw thread portion connection and the toper bench portion of setting on the straight section of thick bamboo portion constitute, the external diameter of first screw thread portion is greater than the external diameter of straight section of thick bamboo portion, be provided with in the cavity of second end with first screw thread portion assorted third screw thread portion and with straight section of thick bamboo portion assorted compresses tightly the boss.
Further, an annular protrusion is arranged on one side, close to the first threaded portion, of the straight barrel portion, and an annular groove corresponding to the annular protrusion is formed in the lower edge of the pressing boss.
Further, a compression pad is fixedly arranged on the side wall of the compression boss.
Further, the outer diameter of the straight cylinder part is equal to the inner diameter of the pressing boss, and the diameter range is between 5 mm and 12 mm.
Further, the second threaded portion is in threaded connection with a testing device or blind plugs.
Compared with the prior art, the utility model has the advantages and beneficial effects that:
the membrane tube fixing end structure is formed by connecting the first end and the second end in a threaded manner, when the membrane tube fixing end structure is connected with a membrane tube, one end of the membrane tube penetrates through the second end and then is inserted into a membrane tube plug, the second end is connected with the first end in a threaded manner, the membrane tube is fixed, then the first end is connected with a blind plug or a testing device in a threaded manner, the connecting structure is simple, the fixation of a single membrane tube can be realized, in the connecting process, the straight barrel part is tightly attached to the compaction boss, the membrane tube is fixed between the straight barrel part and the compaction boss, the sealing performance is good, and the connection is tight and stable.
Drawings
FIG. 1 is a schematic view of the overall structure of a fixed end structure of a membrane tube according to the present utility model.
Fig. 2 is a schematic structural view of a first end of a fixed end structure of a membrane tube according to the present utility model.
FIG. 3 is a schematic view of a second end of a structure of a fixed end of a membrane tube according to the present utility model.
FIG. 4 is a schematic cross-sectional view of a second end of a fixed end structure of a membrane tube according to the present utility model.
FIG. 5 is a schematic cross-sectional view of a structure of a fixed end of a membrane tube connected to one end of the membrane tube according to the present utility model.
FIG. 6 is a schematic view showing a connection structure of an embodiment of a fixed end structure of a membrane tube according to the present utility model.
In the figure: 1-a first end; 2-a second end; 3-a hollow cavity; 4-membrane tube plug; 5-a first threaded portion; 6-hexagonal screwing the boss; 7-a second threaded portion; 8-a straight barrel portion; 9-a conical land; 10-a third threaded portion; 11-compressing the boss; 12-annular protrusions; 13-an annular groove; 14-pressing the pad; 15-a testing device; 16-blind plugging.
Detailed Description
The following detailed description of specific embodiments of the utility model refers to the accompanying drawings.
As shown in fig. 1-5, a fixed end structure of a membrane tube comprises a first end 1 and a second end 2 in threaded connection with the first end 1, wherein the first end 1 and the second end 2 are hollow cavities 3 penetrating through each other, the hollow cavities 3 of the first end 1 are used for flowing through test liquid to enter the membrane tube for test, the hollow cavities 3 of the second end 2 are used for sleeving the first end 1 to be connected with the first end 1, the first end 1 is of an integrated structure, so that the tightness of an end part is high, the first end 1 comprises a membrane tube plug 4, a first threaded part 5, a hexagonal tightening boss 6 and a second threaded part 7 which are fixedly connected in sequence, the membrane tube plug 4 is composed of a straight barrel part 8 connected with the first threaded part 5 and a conical table part 9 arranged on the straight barrel part 8, the outer diameter of the first threaded part 5 is larger than that of the straight barrel part 8, and the hollow cavities 3 of the second end 2 are internally provided with a third threaded part 5 matched with the first threaded part 10 and the straight barrel part 8.
Specifically, the membrane tube plug 4 is used for inserting and fixing the membrane tube, the membrane tube plug 4 is composed of a straight barrel portion 8 and a conical table portion 9, the conical table portion 9 is more beneficial to being inserted into the membrane tube, then the membrane tube is initially fixed after being inserted into the straight barrel portion 8, the second end head 2 is sleeved into the membrane tube, the third threaded portion 10 is in threaded connection with the first threaded portion 5, after connection, the compression boss 11 of the second end head 2 is matched with the straight barrel portion 8 to fix the membrane tube by pressing the membrane tube in the middle of the compression boss 11 and the straight barrel portion 8, the outer diameter of the first threaded portion 5 is larger than the outer diameter of the straight barrel portion 8, relative friction is generated between the compression boss 11, the straight barrel portion 8 and the membrane tube in the threaded connection rotation process of the third threaded portion 10, the bolt torque is improved, the connection pressure is increased, the connection between the first end head 1 and the second end head 2 is more stable, and the fixation of the membrane tube is also tighter.
The membrane tube fixing end structure is formed by connecting the first end head 1 and the second end head 2 in a threaded manner, when the membrane tube fixing end structure is connected with a membrane tube, one end of the membrane tube penetrates through the second end head 2 and then is inserted into the membrane tube plug 4, the second end head 2 is connected with the first end head 1 in a threaded manner, the membrane tube is fixed, then the first end head 1 is connected with the blind plug 16 or testing equipment in a threaded manner, the connecting structure is simple, the fixation of a single membrane tube can be realized, in the connecting process, the straight cylinder part 8 is tightly attached to the compression boss 11, the membrane tube is fixed between the two parts, the sealing performance is good, and the connection is tight and stable.
Further, an annular protrusion 12 is provided on the straight barrel portion 8 at a side close to the first threaded portion 5, and an annular groove 13 corresponding to the annular protrusion 12 is provided at a lower edge of the pressing boss 11.
Specifically, when the first end 1 and the second end 2 are in threaded connection after the membrane tube is inserted into the straight barrel part 8, the annular bulge 12 supports the membrane tube and presses the membrane tube into the annular groove 13, the membrane tube is further fixed at the annular bulge 12 and the annular groove 13, the fixed compactness and stability of the membrane tube are improved, and meanwhile, a good sealing effect can be achieved at the position.
Further, a pressing pad 14 is fixedly arranged on the side wall of the pressing boss 11 and used for pressing the membrane tube, and meanwhile tightness is guaranteed.
Further, the outer diameter of the straight barrel part 8 is equal to the inner diameter of the pressing boss 11, the diameter range is between 5 mm and 12 mm, the pressing effect on the membrane tube is guaranteed, and the fixed end of the membrane tube can be suitable for tubular membrane tubes with different sizes by setting different diameter ranges.
Further, the second threaded portion 7 is in threaded connection with the testing device 15 or the blind plug 16, and can be used for installing the fixed end structure according to testing requirements, so that the connecting structure is simple and applicable to different testing environments.
As shown in fig. 6, when the strength or deformation test is performed on the membrane tube, two ends of the membrane tube are respectively sleeved into the second end head 2, then two ends of the membrane tube are respectively inserted into the membrane tube plug 4 of the first end head 1, the second end head 2 is in threaded connection with the first end head 1, after connection is completed, the second threaded part 7 on one side is in threaded connection with the blind plug 16, and the second threaded part 7 on the other side is in threaded connection with the corresponding testing device 15, so that corresponding test can be performed.
The materials of the first end and the second end can be, but not limited to, stainless steel, alloy or plastic.
The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.
Claims (5)
1. A fixed end structure of membrane pipe, its characterized in that: including first end and with first end threaded connection's second end, be the cavity that runs through in first end and the second end, first end is integrated into one piece structure, first end is including fixed connection's membrane pipe plug in proper order, first screw thread portion, hexagonal screw up boss and second screw thread portion, membrane pipe plug by with straight section of thick bamboo portion and the toper bench portion of setting on straight section of thick bamboo portion that first screw thread portion is connected constitute, the external diameter of first screw thread portion is greater than the external diameter of straight section of thick bamboo portion, be provided with in the cavity of second end with first screw thread portion assorted third screw thread portion and with straight section of thick bamboo portion assorted compresses tightly the boss.
2. A membrane tube fixing end structure according to claim 1, wherein: an annular bulge is arranged on one side, close to the first threaded part, of the straight barrel part, and an annular groove corresponding to the annular bulge is arranged on the lower edge of the pressing boss.
3. A membrane tube fixing end structure according to claim 1, wherein: and a compression pad is fixedly arranged on the side wall of the compression boss.
4. A membrane tube fixing end structure according to claim 1, wherein: the outer diameter of the straight cylinder part is equal to the inner diameter of the pressing boss, and the diameter range is 5 mm to 12 mm.
5. A membrane tube fixing end structure according to claim 1, wherein: the second thread part is in threaded connection with a testing device or blind plugs.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166962.5U CN219682185U (en) | 2023-05-15 | 2023-05-15 | Fixed end structure of membrane tube |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321166962.5U CN219682185U (en) | 2023-05-15 | 2023-05-15 | Fixed end structure of membrane tube |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219682185U true CN219682185U (en) | 2023-09-15 |
Family
ID=87945931
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321166962.5U Active CN219682185U (en) | 2023-05-15 | 2023-05-15 | Fixed end structure of membrane tube |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219682185U (en) |
-
2023
- 2023-05-15 CN CN202321166962.5U patent/CN219682185U/en active Active
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |