CN203879803U - Sealing gland for submerged pump cable - Google Patents
Sealing gland for submerged pump cable Download PDFInfo
- Publication number
- CN203879803U CN203879803U CN201420321484.5U CN201420321484U CN203879803U CN 203879803 U CN203879803 U CN 203879803U CN 201420321484 U CN201420321484 U CN 201420321484U CN 203879803 U CN203879803 U CN 203879803U
- Authority
- CN
- China
- Prior art keywords
- cable
- pump cover
- gland
- tube
- screw
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 210000004907 gland Anatomy 0.000 title claims abstract description 47
- 238000007789 sealing Methods 0.000 title claims abstract description 33
- 238000002955 isolation Methods 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000004033 plastic Substances 0.000 claims description 36
- 229920003023 plastic Polymers 0.000 claims description 36
- 229920001971 elastomer Polymers 0.000 claims description 18
- 239000000806 elastomer Substances 0.000 claims description 16
- 229910001220 stainless steel Inorganic materials 0.000 claims description 16
- 239000010935 stainless steel Substances 0.000 claims description 16
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000010865 sewage Substances 0.000 abstract description 3
- 238000000034 method Methods 0.000 abstract description 2
- 238000005086 pumping Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 230000000694 effects Effects 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 230000000153 supplemental effect Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000011253 protective coating Substances 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000009189 diving Effects 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005728 strengthening Methods 0.000 description 1
- 229920011532 unplasticized polyvinyl chloride Polymers 0.000 description 1
Landscapes
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model discloses a sealing gland for a submerged pump cable. The sealing gland comprises a cable pressing cover and a pump cover. A pressing cover through hole and a pressing cover threaded counter bore are formed in the cable pressing cover, a cylindrical boss is arranged at the lower end of the cable pressing cover in shape, a flange is arranged in the middle of the cable pressing cover in shape, and a pump cover through hole and a pump cover counter bore are formed in the pump cover. The pump cover counter bore is connected with the cylindrical boss in a matched mode, a sealing elastic body is arranged in the pump cover counter bore, and the flange is detachably connected with the pump cover. The sealing elastic body is located at the lower end of the cylindrical boss and is in a compressed state, an isolation supporting tube is arranged in the pressing cover threaded counter bore, a cable is led out of the pump cover, and the isolation supporting tube is made of rigid materials. The sealing gland is suitable for the working condition that cable protection needs to be enhanced, in the using process, the other end of the isolation supporting tube is fixed to the top of a pump station, and due to the fact that the isolation supporting tube is additionally arranged, the cable is further protected and supported, and a submerged pump can convey oily sewage and be used for a long time in the field and applied to high and cold areas.
Description
Technical field
The utility model relates to a kind of submersible pump cable sealing gland.
Background technique
Submersible pump is widely used in every profession and trade, but in use, can run into following problem: one, part submersible pump is used for arranging oil-polluted water, and general elastic cable paper is only at the outside rubber-coated isolation layer that has of elastic cable paper, rubber is in oil-polluted water, and poor because of oil resistance, cable will lose efficacy in sex change in the short period of time; They are two years old, the elastic cable paper of general submersible pump is exposed to open air, be vulnerable to the long-term radiation of sunlight or ultraviolet ray, and the elastic cable paper of motor for submerged pump cannot reach good radiation-resisting functional at present, elastic cable paper is easy to aging, once elastic cable paper is aging, need to dismantle submersible pump, change elastic cable paper, operate comparatively loaded down with trivial details; Its three, part submersible pump is in low temperature environment, the rubbery intensity on elastic cable paper can reduce, under the effect that there is no other supplemental support, elastic cable paper has damaged risk.
Model utility content
For solving the problems of the technologies described above, the purpose of this utility model is to provide a kind of can isolate, have to a certain extent the submersible pump cable sealing gland that radiation resistance and weatherability are high by elastic cable paper and liquid medium.
For achieving the above object, the technical solution of the utility model is as follows: a kind of submersible pump cable sealing gland, comprise cable feedthrough, pump cover, on described cable feedthrough, be provided with gland through hole, gland screw-threaded counterbore, the lower end of described cable feedthrough profile is provided with cylinder boss, the centre of described cable feedthrough profile is provided with flange, on described pump cover, be provided with pump cover through hole and pump cover counterbore, described pump cover counterbore is connected with cylinder boss is supporting, in described pump cover counterbore, be provided with sealing elastomer, described flange and pump cover removably connect, described sealing elastomer is positioned at the lower end of cylinder boss, described sealing elastomer is compressed state, in described gland screw-threaded counterbore, be provided with isolation support tube, described pump cover is provided with the elastic cable paper of drawing, described elastic cable paper is successively through pump cover through hole, pump cover counterbore, sealing elastomer, gland through hole, gland screw-threaded counterbore and isolation support tube, described isolation support tube is made by rigid material.
Preferably, described isolation support tube consists of joint for plastic tube, plastic tube, on the outer wall of described joint for plastic tube one end, be provided with outside thread, describedly be provided with one end of externally threaded joint for plastic tube and the gland screw-threaded counterbore of cable feedthrough is threaded, the other end of described joint for plastic tube is connected with plastic tube is gluing.
Preferably, described isolation support tube is Stainless Steel Tube, on the outer wall of described Stainless Steel Tube one end, is provided with external tooth tube screw thread, and described external tooth tube screw thread and gland screw-threaded counterbore screw-thread fit are fixed.
Preferably, on described flange, be provided with two symmetrical flange holes, on described pump cover, be provided with two tapped blind holes, described two flange holes and two tapped blind holes are corresponding and cooperatively interact one by one, described in each, flange hole is provided with screw with in the tapped blind hole corresponding with it, and described screw is threaded with tapped blind hole through flange hole.
Preferably, the internal thread of described gland screw-threaded counterbore is pipe thread or v thread.
Preferably, the outside thread of described joint for plastic tube is pipe thread or v thread.
Preferably, the external tooth tube screw thread of described Stainless Steel Tube one end is not limited to pipe thread, also can make other forms of connecting thread.
Adopt the beneficial effect of the technical program to be: by elastic cable paper, isolation support tube being set outward, elastic cable paper and the liquid medium of diving pumping effectively can be separated, not contact with oil-polluted water, reach oil-resistant function; Because in elastic cable paper outside, many one decks, by the protective coating of isolating support tube and forming, when working, can effectively prevent sunlight and UV-b radiation, the Elongated cable wire life-span in the wild; Equally, in low temperature environment, due to elastic cable paper outside many one deck by the protective coating of isolating support tube and forming, the rubbery intensity on elastic cable paper is also higher; In addition,, because isolation support tube is made by rigid material, isolation support tube has supplemental support effect to elastic cable paper, even if open air temperature reduces, the rubbery intensity on elastic cable paper reduces, due to the supplemental support effect of isolation support tube, elastic cable paper does not have damaged risk yet, the Elongated cable wire life-span; No matter be the isolation support tube being formed by plastic tube, joint for plastic tube, or the isolation support tube consisting of Stainless Steel Tube is all threaded with cable feedthrough, be all because: if submersible pump is for daily sewage, do not use out of doors for a long time, in cold area, do not use, can not need supporting isolation support tube, submersible pump also can normally move like this.
Accompanying drawing explanation
In order to be illustrated more clearly in the technological scheme in the utility model embodiment technology, to the accompanying drawing of required use in embodiment's technical description be briefly described below, apparently, accompanying drawing in the following describes is only embodiments more of the present utility model, for those of ordinary skills, do not paying under the prerequisite of creative work, can also obtain according to these accompanying drawings other accompanying drawing.
Fig. 1 is the sectional view before embodiment's one assembling;
Fig. 2 is the sectional view after embodiment's one assembling.
Embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technological scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is only the utility model part embodiment, rather than whole embodiments.Embodiment based in the utility model, those of ordinary skills are not making the every other embodiment who obtains under creative work prerequisite, all belong to the scope of the utility model protection.
Consult Fig. 1, shown in Fig. 2, a kind of submersible pump cable sealing gland, comprise cable feedthrough 4, pump cover 7, on cable feedthrough 4, be provided with gland through hole 13, gland screw-threaded counterbore 14, the lower end of cable feedthrough 4 profiles is provided with cylinder boss 12, the centre of cable feedthrough 4 profiles is provided with flange 3, on pump cover 7, be provided with pump cover through hole 10 and pump cover counterbore 6, pump cover counterbore 6 is connected with cylinder boss 12 is supporting, in pump cover counterbore 6, be provided with sealing elastomer 5, flange 3 removably connects with pump cover 7, sealing elastomer 5 is positioned at the lower end of cylinder boss 12, sealing elastomer 5 is compressed state, in gland screw-threaded counterbore 14, be provided with isolation support tube 2, pump cover 7 is provided with the elastic cable paper 1 of drawing, elastic cable paper 1 is from motor cavity is drawn out to motor, elastic cable paper 1 is successively through pump cover through hole 10, pump cover counterbore 6, sealing elastomer 5, gland through hole 13, gland screw-threaded counterbore 14 and isolation support tube 2, isolation support tube 2 is made by rigid material.
Embodiment one,
As shown in Figure 1, rigid material is plastics, isolation support tube 2 consists of joint for plastic tube 2a, plastic tube 2b, on the outer wall of joint for plastic tube 2a one end, be provided with outside thread 15, the one end of joint for plastic tube 2a and the gland screw-threaded counterbore 14 of cable feedthrough 4 that are provided with outside thread 15 are threaded, and the other end of joint for plastic tube 2a is connected with plastic tube 2b is gluing.In the present embodiment, plastic tube 2b, joint for plastic tube 2a generally all select UPVC plastics, this material has enough rigidity and good anti-corrosion capability, and secondly, the joint for plastic tube 2a of these plastic materials is standard piece, can directly from market, buy, implement very convenient.
Embodiment two,
Rigid material is stainless steel, and isolation support tube 2 is Stainless Steel Tube, is provided with external tooth tube screw thread on the outer wall of Stainless Steel Tube one end, and external tooth tube screw thread and gland screw-threaded counterbore 14 screw-thread fit are fixed.This kind of isolation support tube 2, be useful in some support strength is needed to the special occasion of strengthening, if employing Stainless Steel Tube, do not need joint for plastic tube 2a, only need by the screw-thread fit of external tooth tube screw thread and gland screw-threaded counterbore 14, directly Stainless Steel Tube is tightened in the gland screw-threaded counterbore 14 of cable feedthrough 4, can realizes connection.
No matter the isolation support tube 2 being formed by plastic tube 2b, joint for plastic tube 2a, or the isolation support tube 2 consisting of Stainless Steel Tube is all threaded with cable feedthrough 4, be all because: if submersible pump is for daily sewage, do not use out of doors for a long time, in cold area, do not use, can not need supporting isolation support tube 2, submersible pump also can normally move like this.
Wherein, flange 3 with the concrete structure that pump cover 7 removably connects is, on flange 3, be provided with two symmetrical flange holes 16, on pump cover 7, be provided with two tapped blind holes 9, two flange holes 16 and two tapped blind holes 9 are corresponding and cooperatively interact one by one, each flange hole 16 is provided with screw 8 with in the tapped blind hole 9 corresponding with it, and screw 8 is threaded with tapped blind hole 9 through flange hole 16.Flange 3 with two screw 8 voltage cable glands 4, is fastened on cable feedthrough 4 on pump cover 7 then.
The outside thread 15 of the internal thread of gland screw-threaded counterbore 14, joint for plastic tube 2a, the external tooth tube screw thread of Stainless Steel Tube one end are not limited to pipe thread and are not only limited as pipe thread, also can make other forms of connecting thread, as use common v thread, use pipe thread mainly to consider that outside thread 15 major parts of the joint for plastic tube 2a of market supply are pipe thread.
During concrete enforcement, as required, when elastic cable paper 1 needs to strengthen protection, one end of plastic tube 2b is threaded with the gland screw-threaded counterbore 14 of cable feedthrough 4 by joint for plastic tube 2a, the other end of plastic tube 2b is fixed on the top of pumping plant; Or one end of Stainless Steel Tube is directly threaded with the gland screw-threaded counterbore 14 of cable feedthrough 4, the other end of Stainless Steel Tube is fixed on the top of pumping plant.Realized so the further isolation of elastic cable paper 1, also made elastic cable paper 1 have effective support.Sealing elastomer through elastic cable paper 15 is inserted in pump cover counterbore 6, again cable feedthrough 4 is fastened on pump cover 7, on sealing elastomer 5, be provided with endoporus 11, elastic cable paper 1 passes pump cover through hole 10, pump cover counterbore 6 successively, endoporus 11, gland through hole 13, gland screw-threaded counterbore 14 and isolation support tube 2.The cylinder boss 12 press seal elastomers 5 of cable feedthrough 4, sealing elastomer 5 is subject to the extruding of cable feedthrough 4, is confined state, and elastic cable paper 1 is sealed, and to stop water to enter motor cavity, has protected motor safety operation.The length of isolation support tube 2 is determined by the height of residing liquid medium or the degree of depth of pumping plant, and the general warranty isolation length of support tube 2 and the degree of depth of pumping plant are mated.
Above-mentioned explanation to the disclosed embodiments, makes professional and technical personnel in the field can realize or use the utility model.To these embodiments' multiple modification, will be apparent for those skilled in the art, General Principle as defined herein can, in the situation that not departing from spirit or scope of the present utility model, realize in other embodiments.Therefore, the utility model will can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (7)
1. a submersible pump cable sealing gland, comprise cable feedthrough, pump cover, it is characterized in that: on described cable feedthrough, be provided with gland through hole, gland screw-threaded counterbore, the lower end of described cable feedthrough profile is provided with cylinder boss, the centre of described cable feedthrough profile is provided with flange, on described pump cover, be provided with pump cover through hole and pump cover counterbore, described pump cover counterbore is connected with cylinder boss is supporting, in described pump cover counterbore, be provided with sealing elastomer, described flange and pump cover removably connect, described sealing elastomer is positioned at the lower end of cylinder boss, described sealing elastomer is compressed state, in described gland screw-threaded counterbore, be provided with isolation support tube, described pump cover is provided with the elastic cable paper of drawing, described elastic cable paper is successively through pump cover through hole, pump cover counterbore, sealing elastomer, gland through hole, gland screw-threaded counterbore and isolation support tube, described isolation support tube is made by rigid material.
2. submersible pump cable sealing gland according to claim 1, it is characterized in that: described isolation support tube consists of joint for plastic tube, plastic tube, on the outer wall of described joint for plastic tube one end, be provided with outside thread, describedly be provided with one end of externally threaded joint for plastic tube and the gland screw-threaded counterbore of cable feedthrough is threaded, the other end of described joint for plastic tube is connected with plastic tube is gluing.
3. submersible pump cable sealing gland according to claim 1, it is characterized in that: described isolation support tube is Stainless Steel Tube, on the outer wall of described Stainless Steel Tube one end, be provided with external tooth tube screw thread, described external tooth tube screw thread and gland screw-threaded counterbore screw-thread fit are fixed.
4. according to the submersible pump cable sealing gland described in claims 1 to 3 any one, it is characterized in that: on described flange, be provided with two symmetrical flange holes, on described pump cover, be provided with two tapped blind holes, described two flange holes and two tapped blind holes are corresponding and cooperatively interact one by one, described in each, flange hole is provided with screw with in the tapped blind hole corresponding with it, and described screw is threaded with tapped blind hole through flange hole.
5. submersible pump cable sealing gland according to claim 4, is characterized in that: the internal thread of described gland screw-threaded counterbore is pipe thread or v thread.
6. submersible pump cable sealing gland according to claim 2, is characterized in that: the outside thread of described joint for plastic tube is pipe thread or v thread.
7. submersible pump cable sealing gland according to claim 3, is characterized in that: the external tooth tube screw thread of described Stainless Steel Tube one end is pipe thread or v thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321484.5U CN203879803U (en) | 2014-06-17 | 2014-06-17 | Sealing gland for submerged pump cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420321484.5U CN203879803U (en) | 2014-06-17 | 2014-06-17 | Sealing gland for submerged pump cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203879803U true CN203879803U (en) | 2014-10-15 |
Family
ID=51680304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420321484.5U Expired - Lifetime CN203879803U (en) | 2014-06-17 | 2014-06-17 | Sealing gland for submerged pump cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203879803U (en) |
-
2014
- 2014-06-17 CN CN201420321484.5U patent/CN203879803U/en not_active Expired - Lifetime
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: 215126 No. 26 Wupu Road, Suzhou Industrial Park, Jiangsu Province Patentee after: Zenit Pump Industry (China) Co.,Ltd. Address before: 215126 Wupu Road 26, Shengpu District, Suzhou Industrial Park, Jiangsu Province Patentee before: ZENIT PUMPS (SUZHOU) Co.,Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20141015 |