CN215939575U - End socket and ultrafiltration membrane element - Google Patents
End socket and ultrafiltration membrane element Download PDFInfo
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- CN215939575U CN215939575U CN202120469222.3U CN202120469222U CN215939575U CN 215939575 U CN215939575 U CN 215939575U CN 202120469222 U CN202120469222 U CN 202120469222U CN 215939575 U CN215939575 U CN 215939575U
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Abstract
The utility model provides a seal head and an ultrafiltration membrane element, wherein the seal head is characterized in that: the head includes the cavity casing, and casing one end is equipped with the shutoff portion that forms by curing glue. The utility model solves the problems in the prior art: the problem of how to realize simpler and more convenient plugging on one end of the shell; the second problem is that: how to improve the problem that the hardness of one end of the shell is improved while plugging one end of the shell; the third problem is that: the problem of how to realize the shutoff of the shell one end that pp material made.
Description
Technical Field
The utility model relates to the technical field of water purifiers, in particular to an end socket and an ultrafiltration membrane element.
Background
At present, the existing shell needs to be processed to form a plugging part meeting shell requirements, and then glue is utilized to paste the plugging part and the shell to realize the plugging effect of one end of the shell.
Secondly, the hardness is often not high after one end of the existing shell is plugged, and the problem of water leakage is easily caused by deformation of one end of the shell.
Most recently, the existing shell is generally made of ABS material (i.e. ABS copolymer, which is a thermoplastic high molecular structure material with high strength, good toughness and easy to machine and mold, also called ABS resin), and the cost is high, pp material (i.e. polypropylene) is needed to make the shell in order to save the cost, but the adhesion between pp material and glue is poor, and how to realize the plugging of one end of the shell made of pp material becomes the problem to be solved.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an end socket and an ultrafiltration membrane element, which mainly solve the problems in the prior art that: the problem of how to realize simpler and more convenient plugging on one end of the shell; the second problem is that: how to improve the problem that the hardness of one end of the shell is improved while plugging one end of the shell; the third problem is that: the problem of how to realize the shutoff of the shell one end that pp material made.
In order to achieve the purpose, the utility model adopts the technical scheme that: the utility model provides a head of domestic filter core which characterized in that: the head includes the columniform cavity casing, and casing one end is equipped with the shutoff portion that forms by curing glue.
Further, the shutoff portion is including the inside shutoff portion of interior that is used for shutoff casing one end inside and the outer glue layer that is located this end lateral surface of casing, interior shutoff portion and outer glue layer are connected.
Furthermore, a through hole is formed in one end of the shell, a first connecting portion formed by curing glue is arranged in the through hole, and the inner plugging portion and the outer glue layer are connected through the first connecting portion.
Furthermore, a convex part and/or a threaded part are/is arranged on the inner side wall of one end of the shell corresponding to the inner plugging part;
and/or the outer side wall of one end of the shell corresponding to the outer glue layer is provided with a convex part and/or a threaded part;
and/or the through holes are a plurality of circular through holes or elongated through holes.
Further, the bottom end of the inner plugging part is connected with the bottom end of the outer glue layer.
Furthermore, a through hole is formed in one end of the shell, a first connecting part formed by curing glue is arranged in the through hole, and the inner plugging part is connected with the outer glue layer through the first connecting part;
and/or a convex part and/or a threaded part are/is arranged on the inner side wall of one end of the shell corresponding to the inner plugging part;
and/or a bulge part and/or a threaded part are/is arranged on the outer side wall of one end of the shell corresponding to the outer glue layer.
Further, the inner plugging part and the outer glue layer are solidified into a whole through glue penetrating through the shell.
An ultrafiltration membrane element comprising a housing and polysulfone hollow fibers, characterized in that: one end of the shell is the end socket of the household filter element; the plugging part fixes the polysulfone hollow fiber in the shell, and the water outlet of the polysulfone hollow fiber is communicated with the outside of the shell.
An ultrafiltration membrane element comprising a cylindrical hollow shell and polysulfone hollow fibers, characterized in that: one end of the shell is blocked by a blocking part formed by curing glue, the polysulfone hollow fiber is fixed inside one end of the shell by the blocking part, and the blocking part, the inside and the outer side surface of the end of the shell form an integrated composite fixation.
In view of the above technical features, the present invention has the following advantages:
1. according to the end socket, one end of the shell is plugged more simply and conveniently, the shape of the end socket is diversified, and the sealing effect is better.
2. The end socket realizes the effect of plugging the shell made of the material with poor adhesive property, such as plugging one end of the shell made of the pp material.
3. According to the end socket, one end of the shell is wrapped in the solidified plugging part and plugged, the hardness of one end of the shell can be greatly improved by the solidified plugging part, the use stability of a product is improved, the water leakage problem caused by deformation of one end of the shell is effectively avoided, and the use comfort of a customer is improved.
Drawings
Fig. 1 is a front view of a shell of a closure in example 1.
Fig. 2 is a sectional view of a shell of a sealing head in embodiment 1.
Fig. 3 is a schematic diagram of the structure of an ultrafiltration membrane element of example 2 comprising a head (the housing being made of a permeable material).
Fig. 4 is a sectional view of the ultrafiltration membrane element corresponding to fig. 3.
Fig. 5 is a front view of the shell of the sealing head in embodiment 3 (the through hole is a circular hole).
Fig. 6 is a sectional view of the corresponding housing of fig. 5.
Fig. 7 is a schematic view of the structure of an ultrafiltration membrane element comprising a head according to example 3 (the through-hole is a circular hole).
Fig. 8 is a perspective view of the ultrafiltration membrane element corresponding to fig. 7.
Fig. 9 is a front view of the shell of another seal head in embodiment 3 (the through hole is an elongated through hole).
Fig. 10 is a sectional view of the corresponding housing of fig. 9.
Fig. 11 is a perspective view of the corresponding housing of fig. 9.
Fig. 12 is a schematic structural view of an ultrafiltration membrane element including another end enclosure in example 3 (the through hole is an elongated through hole).
Fig. 13 is a perspective view of the ultrafiltration membrane element corresponding to fig. 12.
FIG. 14 is a schematic view showing the structure of an ultrafiltration membrane element comprising another type of head in example 3 (the through hole is an elongated through hole and has a mounting groove in front of the through hole)
Fig. 15 is a perspective view of the ultrafiltration membrane element corresponding to fig. 14.
Fig. 16 is a sectional view (inward projection) of the shell of a closure in example 4.
Fig. 17 is a cross-sectional view (inward bulge) of an ultrafiltration membrane element containing the head in example 4.
FIG. 18 is a sectional view of the shell of another head in embodiment 4 (screw part)
Fig. 19 is a cross-sectional view (threaded portion) of an ultrafiltration membrane element of example 4 containing the alternative head.
Fig. 20 is a sectional view of an auxiliary molding die in example 5.
Fig. 21 is a schematic view of the mating of the auxiliary molding die and the housing in embodiment 5.
In the figure: 1. a housing; 1-1, cutting off a groove; 1-2, mounting grooves;
2. a through hole;
3. a projection;
4. screw thread part
5. A plugging section; 5-1, an inner plugging part; 5-2, outer glue layer; 5-3, a first connection part;
6. membrane filaments (i.e., polysulfone hollow fibers); 6-1, a water outlet part;
7. an auxiliary forming die; 7-1 and assisting the inner side wall of the forming mold.
Detailed Description
The utility model will be further illustrated with reference to specific embodiments. It should be understood that these examples are for illustrative purposes only and are not intended to limit the scope of the present invention. Further, it should be understood that various changes or modifications of the present invention may be made by those skilled in the art after reading the teaching of the present invention, and such equivalents may fall within the scope of the present invention as defined in the appended claims.
Refer to the drawings1To the figure2In specific embodiment 1, this embodiment 1 provides a head of domestic filter core, its characterized in that: the end socket comprises a cylindrical hollow shell 1, and a plugging portion 5 formed by curing glue is arranged at one end of the shell 1.
Adopt the shutoff portion 5 that curing glue formed, directly block up with curing glue, no longer need bond with other plastic accessories of 1 one end assorted of casing, glue can also be according to the shape of casing 1, size direct curing for assorted shutoff portion 5, no matter what shape or size, the hollow casing 1 of model promptly can all form shutoff portion 5 through the glue solidification, this shutoff portion 5 can realize corresponding 1 one end shutoff of casing, sealed effect. Other plastic accessories do not need to be additionally processed, the process is simpler, and the cost is saved. The blocking portion 5 is bonded and fixed to the inner wall and the outer wall of one end of the housing 1.
The blocking part 5 comprises an inner blocking part 5-1 used for blocking the inside of one end of the shell 1 and an outer glue layer 5-2 positioned on the outer side surface of the end of the shell 1, and the inner blocking part 5-1 is connected with the outer glue layer 5-2. The inner blocking part 5-1 and the outer glue layer 5-2 are both formed by solidified glue.
That is, the blocking portion 5 is actually divided into three parts, an inner blocking portion 5-1, an outer glue layer 5-2, and one end of the casing 1 wrapped or covered by the inner blocking portion 5-1 and the outer glue layer 5-2. This design can be with 1 one end parcel of casing in shutoff portion 5, form the design of similar "integration", promote 1 one end shutoff effect of casing like this, when increasing 1 one end leakproofness of casing, can also greatly increase the hardness of 1 one end of casing, increase the stability in use of 1 one end of casing, 1 one end of casing is difficult to warp or the atress is difficult to warp promptly, just so can avoid leading to leaking because of 1 one end of casing warp, therefore the stability in use improves by a wide margin.
The method for manufacturing the end socket of the household filter element in the embodiment 1 comprises the following steps
S1: selecting a cylindrical hollow shell 1;
s2: sleeving an auxiliary forming mold 7 with a sealed bottom at one end of the shell 1, wherein a space for forming an outer glue layer 5-2 is formed between the inner side wall of the auxiliary forming mold 7 and the outer side wall of one end of the shell 1; the auxiliary forming die 7 can be a hollow cylinder with one open end and one sealed end, the inner diameter of the auxiliary forming die 7 is larger than the outer diameter of one end of the shell 1, a space is reserved for forming an outer glue layer 5-2 (the space determines the thickness of the outer glue layer 5-2, in the processing process, the inner side wall of the common auxiliary forming die 7 is not contacted with the outer side wall of one end of the shell 1, an even distance or space is kept between the inner side wall and the outer side wall, so that the outer glue layer 5-2 with even thickness can be formed, one end of the shell 1 is arranged at the sealed bottom of the auxiliary forming die 7, and an inner plugging part 5-1 and the outer glue layer 5-2 are formed inside one end of the shell 1 after glue overflows.
S3: injecting glue into one end of the shell 1, then performing centrifugal rotation on the shell 1 or applying pressure on the glue to enable part of the glue to overflow one end of the shell 1, and forming an outer glue layer 5-2 between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the shell 1; in order to ensure that the blocking portion 5 has good blocking and sealing properties, glue may be injected with a certain height or thickness, which may help the height or thickness of the cured blocking portion 5 (including the inner blocking portion 5-1 and the outer glue layer 5-2).
The glue can overflow in various ways, such as a gap between one end of the shell 1 and the sealed bottom of the auxiliary forming die 7 or a hole or a channel for the glue to overflow arranged at one end of the shell 1.
S4: and after the glue is cured, when a blocking part 5 jointly consisting of the inner blocking part 5-1 and the outer glue layer 5-2 is formed, cutting off the excessive curing glue of the blocking part 5 or cutting off the excessive part formed by the excessive shell 1 and the excessive curing glue.
The material of the shell 1 can be any one of stainless steel, aluminum alloy, PVC, PP, PVDF, PES, PC, ABS, AS, PS and the like.
The glue can be temperature-resistant and melt-resistant glue, such as polyurethane glue and epoxy glue.
In order to cut off the unnecessary part accurately and quickly, a cutting groove 1-1 may be previously defined in the outer side surface of the housing 1.
And a mounting groove 1-2 for mounting an O-shaped sealing ring can be processed on the outer side surface of one end of the shell 1 according to actual requirements.
In the embodiment 1, the bottom end of the inner plugging part 5-1 is connected with the bottom end of the outer glue layer 5-2. Or the bottom end of the inner plugging part 5-1 is not connected with the bottom end of the outer glue layer 5-2, the inner plugging part 5-1 is pasted and plugged on the inner side wall of one end of the shell 1, and the outer glue layer 5-2 is pasted on the outer side wall of one end of the shell 1, so that the plugging of one end of the shell 1 is realized, the reinforcement of one end of the shell 1 is also realized, the hardness of one end of the shell 1 is improved, and the use stability of one end of the shell 1 is improved.
If polysulfone hollow fibers 6 (also called "membrane filaments") are added to the housing 1 and the polysulfone hollow fibers 6 and the housing 1 are integrally fixed by the plugging portion 5, an ultrafiltration membrane element is formed.
The housing 1 is made of a material that is permeable to glue, for example PP cotton. Therefore, glue can permeate into one end of the shell 1, the blocking part 5 is formed by integrally curing the inner blocking part 5-1, the outer glue layer 5-2, the glue permeating into the shell 1 and the shell 1 (see a mark 8 in the attached drawing), namely, one end of the shell 1 and the blocking part 5 are integrally cured, so that the blocking part 5 has a better blocking effect on one end of the shell 1, better sealing performance and higher hardness on one end of the shell 1.
The inner plugging portion 5-1, the outer glue layer 5-2 and the first connecting portion 5-3 in the through hole 2 for connecting the inner plugging portion 5-1 and the outer glue layer 5-2 all belong to glue condensate which is synchronously formed into a whole after the same batch of glue is synchronously solidified, and the glue condensate and a corresponding portion of one end of the shell 1 wrapped by the glue condensate jointly form the plugging portion 5. The through holes 2 can be arranged in a plurality and are uniformly distributed at one end of the shell 1 for uniformly overflowing glue, and uniformly provide fixing force between the inner plugging part 5-1 and the outer glue layer 5-2.
And/or the through holes 2 are a plurality of circular through holes (see fig. 5, 6, 7 and 8) or elongated through holes (see fig. 9, 10, 11, 12 and 13), for example, four elongated through holes are taken as an example, and the elongated through holes are designed, so that the glue can easily overflow out of the shell 1 from the shell 1 through the elongated through holes 2 and form an outer glue layer 5-2, the glue can overflow more quickly, and the production efficiency is higher. An installation groove 1-2 for installing an O-shaped ring can be arranged in front of the strip-shaped through hole, as shown in figures 14 and 15.
The manufacturing method is characterized in that: s1: selecting a cylindrical hollow shell 1, and processing a through hole 2 at one end of the shell 1;
s3, injecting glue into one end of the shell 1, then carrying out centrifugal rotation on the shell 1 or applying pressure on the glue to make part of the glue overflow one end of the shell 1 through the through hole 2, and forming an outer glue layer 5-2 between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the shell 1, wherein the inner blocking part 5-1 and the outer glue layer 5-2 both cover and tightly stick to the through hole 2.
After the casing 1 injected with the glue is centrifugally rotated or subjected to pressure testing, the glue can also overflow from the through hole 2 and enter a space between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the casing 1 for forming an outer glue layer 5-2, so that the overflow of the glue is accelerated, and the production efficiency is improved.
And/or the outer side wall of one end of the shell 1 corresponding to the outer glue layer 5-2 is provided with a convex part 3 and/or a thread part 4 (namely an external thread).
The convex part 3 and/or the thread part 4 arranged on the inner side wall or the outer side wall of one end of the shell 1 are used for increasing the friction force between the blocking part 5 and the inner side wall and/or the outer side wall of the shell 1, preventing the blocking part 5 and one end of the shell 1 from moving, sliding or falling off, and avoiding the blocking effect and/or the sealing effect between the blocking part 5 and the one end of the shell 1 from being influenced; it is also possible to improve the adhesion strength between the blocking portion 5 and the one end of the housing 1 indirectly by increasing the contact area.
Preferably, the design of the through hole 2 can be used in addition to the protrusion 3 and/or the threaded portion 4 in the embodiment 4, and the friction between the blocking portion 5 and one end of the housing 1 can be increased maximally in various ways.
The manufacturing method is characterized in that: s1: selecting a cylindrical hollow shell 1, and processing a through hole 2 and/or a bulge 3 and/or a thread part 4 at one end of the shell 1;
s3, injecting glue into one end of the shell 1, then carrying out centrifugal rotation on the shell 1 or applying pressure on the glue to make part of the glue overflow one end of the shell 1 through the through hole 2, and forming an outer glue layer 5-2 between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the shell 1, wherein the inner blocking part 5-1 and the outer glue layer 5-2 both cover and tightly stick to the through hole 2.
The method for manufacturing an ultrafiltration membrane element (ultrafiltration membrane filter element) in the embodiment 5 includes the following specific steps:
s1: selecting a cylindrical hollow shell 1; or selecting a cylindrical hollow shell 1, and processing a through hole 2 and/or a bulge 3 and/or a thread part 4 at one end of the shell 1;
s2: fixing polysulfone hollow fibers 6 in a shell 1, wherein a water outlet part 6-1 of the polysulfone hollow fibers 6 is flush with one end of the shell 1 or the water outlet part 6-1 of the polysulfone hollow fibers 6 extends out of one end of the shell 1, sleeving an auxiliary forming mold 7 with a sealed bottom at one end of the shell 1, and forming a space for forming an outer glue layer 5-2 between the inner side wall 7-1 of the auxiliary forming mold and the outer side wall of one end of the shell 1; taking the matching of the shell 1 provided with the elongated through hole 2 and the auxiliary forming die 7 as an example, see fig. 20 and 21.
S3: injecting glue into one end of the shell 1, performing centrifugal rotation on the shell 1 and the polysulfone hollow fiber 6 together or applying pressure on the glue to ensure that part of the glue overflows from one end of the shell 1, and forming an outer glue layer 5-2 between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the shell 1;
and/or injecting glue into one end of the shell 1, then carrying out centrifugal rotation on the shell 1 and the polysulfone hollow fiber 6 together or applying pressure on the glue, so that part of the glue overflows from one end of the shell 1 through the through hole 2, and forming an outer glue layer 5-2 between the inner side wall of the auxiliary forming die 7 and the outer side wall of one end of the shell 1, wherein the inner blocking part 5-1 and the outer glue layer 5-2 both cover and tightly adhere to the through hole 2 and/or the bulge 3 and/or the thread part 4;
s4: and after the glue is cured, when a blocking part 5 jointly consisting of the inner blocking part 5-1 and the outer glue layer 5-2 is formed, cutting off the excessive curing glue of the blocking part 5 or cutting off the excessive part formed by the excessive shell 1, the excessive curing glue and the excessive polysulfone hollow fiber 6, so that the water outlet part 6-1 of the polysulfone hollow fiber 6 is communicated with the outside of the shell 1.
That is to say, the blocking portion 5 blocks the inside of one end of the housing 1 and adheres to the outside of one end of the housing 1 at the same time, so that the blocking portion 5 and one end of the housing 1 form a whole (i.e., an integral body), the blocking portion 5 is used for blocking one end of the housing 1 and fixing the polysulfone hollow fiber 6 inside the housing 1, and the whole hardness of one end of the housing 1 is reinforced and improved, so that the blocking portion 5 and the inside and the outer side surface of the end of the housing 1 form an integral composite fixation.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications of equivalent structures and equivalent processes, which are made by using the contents of the present specification and the accompanying drawings, or directly or indirectly applied to other related technical fields, are included in the scope of the present invention.
Claims (8)
1. The utility model provides a head of domestic filter core which characterized in that: the end socket comprises a cylindrical hollow shell (1), and one end of the shell (1) is provided with a plugging part (5) formed by curing glue; the plugging portion (5) comprises an inner plugging portion (5-1) used for plugging the inner portion of one end of the shell (1) and an outer glue layer (5-2) located on the outer side face of the end of the shell (1), and the inner plugging portion (5-1) is connected with the outer glue layer (5-2).
2. A head for a household filter element as claimed in claim 1, wherein: the sealing device is characterized in that a through hole (2) is formed in one end of the shell (1), a first connecting portion (5-3) formed by curing glue is arranged in the through hole (2), and the inner sealing portion (5-1) is connected with the outer glue layer (5-2) through the first connecting portion (5-3).
3. A head for a household filter element as claimed in claim 2, wherein: a convex part (3) and/or a thread part (4) are/is arranged on the inner side wall of one end of the shell (1) corresponding to the inner plugging part (5-1);
and/or the outer side wall of one end of the shell (1) corresponding to the outer glue layer (5-2) is provided with a convex part (3) and/or a thread part (4);
and/or the through holes are a plurality of circular through holes or elongated through holes.
4. A head for a household filter element as claimed in claim 1, wherein: the bottom end of the inner plugging part (5-1) is connected with the bottom end of the outer glue layer (5-2).
5. A head for a domestic filter element according to claim 4, wherein: a through hole (2) is formed in one end of the shell (1), a first connecting part (5-3) formed by solidified glue is arranged in the through hole (2), and the inner plugging part (5-1) is connected with the outer glue layer (5-2) through the first connecting part (5-3);
and/or a convex part (3) and/or a thread part (4) are/is arranged on the inner side wall of one end of the shell (1) corresponding to the inner plugging part (5-1);
and/or a convex part (3) and/or a thread part (4) are/is arranged on the outer side wall of one end of the shell (1) corresponding to the outer glue layer (5-2).
6. A head for a domestic filter element according to any one of claims 1 to 5, wherein: the inner plugging part (5-1) and the outer glue layer (5-2) are solidified into a whole through glue penetrating the shell (1).
7. An ultrafiltration membrane element comprising a housing (1) and polysulfone hollow fibers (6), characterized in that: one end of the shell (1) is a seal head of a household filter element as claimed in any one of claims 1 to 6; the plugging part (5) fixes the polysulfone hollow fiber (6) in the shell (1), and the water outlet of the polysulfone hollow fiber (6) is communicated with the outside of the shell (1).
8. An ultrafiltration membrane element comprising a cylindrical hollow shell (1) and polysulfone hollow fibers (6), characterized in that: one end of the shell (1) is plugged by a plugging part (5) formed by curing glue, polysulfone hollow fibers (6) are fixed inside one end of the shell (1) by the plugging part (5), and the plugging part (5) and the inside and the outer side surface of the end of the shell (1) form an integrated composite fixation.
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| CN202120469222.3U CN215939575U (en) | 2021-03-04 | 2021-03-04 | End socket and ultrafiltration membrane element |
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| CN202120469222.3U CN215939575U (en) | 2021-03-04 | 2021-03-04 | End socket and ultrafiltration membrane element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827362A (en) * | 2021-03-04 | 2021-05-25 | 韩佳（上海）环保设备有限公司 | End socket, ultrafiltration membrane element and manufacturing method of ultrafiltration membrane element |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112827362A (en) * | 2021-03-04 | 2021-05-25 | 韩佳（上海）环保设备有限公司 | End socket, ultrafiltration membrane element and manufacturing method of ultrafiltration membrane element |
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