CN209041163U - Immersible pump and its waterproof sealing structure - Google Patents
Immersible pump and its waterproof sealing structure Download PDFInfo
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- CN209041163U CN209041163U CN201821635953.5U CN201821635953U CN209041163U CN 209041163 U CN209041163 U CN 209041163U CN 201821635953 U CN201821635953 U CN 201821635953U CN 209041163 U CN209041163 U CN 209041163U
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- waterproof sealing
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Abstract
The utility model discloses a kind of immersible pump and its waterproof sealing structure, waterproof sealing structure includes the internal screw thread being arranged in the connecting hole of diving pump case, installation self-locking seal nut in the connecting hole, across the self-locking seal nut enters the cable in the diving pump case；The cable includes at least one plain conductor, the conductor casing that the plain conductor periphery is arranged in, the insulation fill stratum being filled between the conductor casing and plain conductor.The utility model is mounted on immersible pump using improved cable cooperation self-locking seal nut, is formed waterproof sealing structure, is improved the waterproofness, reliability and service life of immersible pump, solve the problems, such as that traditional submerged pump when water leakage and service life are short, meaning is very.
Description
Technical field
The utility model relates to pump technical field more particularly to a kind of immersible pumps and its waterproof sealing structure of diving under water.
Background technique
Immersible pump is a kind of widely used water process tool.The most of the time is in underwater when diving pump work, therefore
There is certain sealing sexual function in its overall structure, to protect the components such as its rotor coil, it is desirable that seals intact for a long time, forbids liquid
Body enters inside immersible pump.
Immersible pump power cable inlet wire and sealing ring majority are insulated using rubber material, but by the use of various channels
From the point of view of feedback, with being used for a long time in the water environment of environment complexity and repeatedly for it, the characteristic of rubber material determines it
Aged deterioration easily occurs, causes immersible pump leakproofness to be destroyed, to influence its service life.
Utility model content
The technical problem to be solved by the present invention is to provide and a kind of improve the waterproofness of immersible pump, reliability and make
Waterproof sealing structure with the immersible pump in service life and the immersible pump with the waterproof sealing structure.
The technical scheme adopted by the utility model to solve the technical problem is as follows: providing a kind of waterproof sealing knot of immersible pump
Structure, internal screw thread in the connecting hole including diving pump case is arranged in, are worn installation self-locking seal nut in the connecting hole
Cross the cable that the self-locking seal nut enters in the diving pump case；
The cable includes at least one plain conductor, the conductor casing that the plain conductor periphery is arranged in, is filled in
Insulation fill stratum between the conductor casing and plain conductor.
Preferably, the self-locking seal nut is equipped with external screw thread matched with the internal thread；The self-locking seal
Through-hole is equipped in the middle part of nut, the cable passes through the through-hole and enters in the diving pump case, the cable periphery with it is described
Through-hole wall close proximity.
Preferably, the conductor casing is corrosion resistant metallic alloy shell；The insulation fill stratum is filled out for inorganic mineral
Fill layer.
Preferably, the self-locking seal nut includes main part, the ring for being connected to described main part one end and diameter convex
Shape portion；In the connecting hole of the diving pump case, the ring part is located at the diving pump case for the main part cooperation
On outer surface.
Preferably, the waterproof sealing structure further includes sealing ring；The sealing ring is located at the company of the diving pump case
It connects and is connected in hole on one end of the self-locking seal nut, and be set in the cable periphery.
The utility model also provides a kind of immersible pump, including diving pump case and is arranged in the diving pump case
Waterproof sealing structure, the diving pump case are equipped with connecting hole；
The waterproof sealing structure include the internal screw thread being arranged in the connecting hole, installation in the connecting hole from
It locks sealing nut, enter the cable in the diving pump case across the self-locking seal nut；
The cable includes at least one plain conductor, the conductor casing that the plain conductor periphery is arranged in, is filled in
Insulation fill stratum between the conductor casing and plain conductor.
Preferably, the self-locking seal nut is equipped with external screw thread matched with the internal thread；The self-locking seal
Through-hole is equipped in the middle part of nut, the cable passes through the through-hole and enters in the diving pump case, the cable periphery with it is described
Through-hole wall close proximity.
Preferably, the conductor casing is corrosion resistant metallic alloy shell；The insulation fill stratum is filled out for inorganic mineral
Fill layer.
Preferably, the self-locking seal nut includes main part, the ring for being connected to described main part one end and diameter convex
Shape portion；In the connecting hole of the diving pump case, the ring part is located at the diving pump case for the main part cooperation
On outer surface.
Preferably, the waterproof sealing structure further includes sealing ring；The sealing ring is located at the company of the diving pump case
It connects and is connected in hole on one end of the self-locking seal nut, and be set in the cable periphery.
The utility model has the beneficial effects that being mounted on immersible pump using improved cable cooperation self-locking seal nut, shape
At waterproof sealing structure, the waterproofness, reliability and service life of immersible pump are improved, solves traditional submerged pump when water leakage and use
Service life short problem, meaning is very.
Detailed description of the invention
Below in conjunction with accompanying drawings and embodiments, the utility model is described in further detail, in attached drawing:
Fig. 1 is the immersible pump and the schematic diagram of the section structure of waterproof sealing structure thereon of an embodiment of the present invention；
Fig. 2 is the schematic diagram of the section structure of self-locking seal nut in Fig. 1.
Specific embodiment
For a clearer understanding of the technical features, objectives and effects of the utility model, now control attached drawing is detailed
Illustrate specific embodiment of the present utility model.
As shown in Figure 1, the immersible pump of an embodiment of the present invention, including diving pump case 10 and setting are in immersible pump
Waterproof sealing structure 20 on shell 10.Pump case 10 of diving under water is equipped with connecting hole (not shown), is used for waterproof sealing structure 20
Installation.
Wherein, as shown in Fig. 2, waterproof sealing structure 20 may include the internal screw thread (not shown) being arranged in connecting hole, peace
Self-locking seal nut 21 in connecting hole, the cable 22 in the entrance diving pump case 10 of self-locking seal nut 21.
Self-locking seal nut 21 is equipped with the external screw thread 23 that matches with internal screw thread, thus self-locking seal nut 21 with connect
Pass through threaded sealing fit between hole.Through-hole 210 is equipped in the middle part of self-locking seal nut 21, cable 22 enters latent across through-hole 210
In water pump cover 10,22 periphery of cable and 210 inner wall close proximity of through-hole.The inner wall of through-hole 210 can be it is smooth, with cable
22 periphery, which is fitted close, to be formed sealing and connects.
Specifically, self-locking seal nut 21 may include main part 211, be connected to 211 one end of main part and diameter convex
Ring part 212,212 outer diameter of ring part are greater than the outer diameter of main part 211.Connection of the cooperation of main part 211 in diving pump case 10
In hole, ring part 212 is located on the outer surface of diving pump case 10, plays a position-limiting action to self-locking seal nut 21.Outside
Screw thread 23 is arranged on the periphery of main part 211, and through-hole 210 is located in main part 211 and through ring part 212.
Cable 22 includes at least one plain conductor 221, the conductor casing 222 that 221 periphery of plain conductor is arranged in, filling
Insulation fill stratum 223 between conductor casing 222 and plain conductor 221.When cable 22 passes through self-locking seal nut 21, conducting wire
Shell 222 and 210 inner wall of through-hole of self-locking seal nut 21 fit closely.
Changed according to the quantity of plain conductor 221, cable 22 forms single, twin-core etc.；According to the specified function of immersible pump
Rate can choose the plain conductor 221 of various cross-sectional areas, to meet load needs.Plain conductor 221 can be selected copper core and lead
Line.Metallic alloy shell made of the preferably corrosion resistant metal alloy compositions of conductor casing 222, carrying out heat treatment process makes its tool
There is the bending of some strength.Insulation fill stratum 223 plays the role of isolating metal conducting wire 221 and conductor casing 222, using nothing
The tightly compacted filling of machine mineral (such as magnesia) is formed.
Conductor casing 222 is metallic alloy shell made of metal alloy compositions, metal alloy compositions as inorganic material,
Compared to the rubber material that tradition belongs to organic material, there are the performances such as the erosion of stronger waterproof, anti-moisture, grease-proof,
Inoxidizability, ageing resistance and corrosion resistance are also superior to organic material.
Further, in the utility model, waterproof sealing structure 20 further includes sealing ring 24.Sealing ring 24 is located at immersible pump
It in the connecting hole of shell 10, is connected on one end of self-locking seal nut 21, and is set in 22 periphery of cable.
Specifically, sealing ring 24 is connected on the main part 211 of self-locking seal nut 21, is located at ring part 212
The opposite end of main part 211.Sealing ring 24 can also be separately made using being made into integration with self-locking seal nut 21.
24 outer peripheral surface of sealing ring can have certain radian, be also possible to taper.
Self-locking seal nut 21 and sealing ring 24 are corresponded to, the shape of the connecting hole in pump case 10 of diving under water is generally corresponding to.Example
Such as, connecting hole may include connect and the biggish first segment of internal diameter and the lesser second segment of internal diameter, and be connected to first segment and
Changeover portion between second segment；Sealing ring 24 can fit snugly in changeover portion, and cable 22 is worn out of self-locking seal nut 21
It crosses, is entered inside diving pump case 10 by the second segment of sealing ring 24 and connecting hole.
According to the structure of diving pump case 10, connecting hole is mainly disposed on the flange of diving pump case 10.
In the waterproof sealing structure of the utility model, pass through the screw thread between self-locking seal nut 21 and diving pump case 10
Cooperation cooperates sealing ring 24, is locked by torsion with the screw thread being reserved in diving pump case 10, so that diving pump case
10, self-locking seal nut 21 is mutually fitted closely with 22 three of cable, reaches sealing effect, long service life.
The above description is only the embodiments of the present invention, and therefore it does not limit the scope of the patent of the utility model, all
Equivalent structure or equivalent flow shift made based on the specification and figures of the utility model, is applied directly or indirectly in
Other related technical areas are also included in the patent protection scope of the utility model.
Claims (10)
1. a kind of waterproof sealing structure of immersible pump, which is characterized in that waterproof sealing structure (20) includes setting in diving pump case
Internal screw thread in the connecting hole of body (10), installation self-locking seal nut (21) in the connecting hole, pass through it is described self-locking close
Seal the cable (22) that nut (21) enter in diving pump case (10)；
The cable (22) includes at least one plain conductor (221), is arranged outside the conducting wire of the plain conductor (221) periphery
Shell (222), the insulation fill stratum (223) being filled between the conductor casing (222) and plain conductor (221).
2. waterproof sealing structure according to claim 1, which is characterized in that the self-locking seal nut (21) be equipped with
The external screw thread (23) that the internal screw thread matches；Through-hole (210) are equipped in the middle part of the self-locking seal nut (21), the cable
(22) it passes through the through-hole (210) to enter in the diving pump case (10), cable (22) periphery and the through-hole (210)
Inner wall close proximity.
3. waterproof sealing structure according to claim 1, which is characterized in that the conductor casing (222) is corrosion resistant
Metallic alloy shell；The insulation fill stratum (223) is inorganic mineral filled layer.
4. waterproof sealing structure according to claim 1, which is characterized in that the self-locking seal nut (21) includes main body
Portion (211), the ring part (212) for being connected to the main part (211) one end and diameter convex；Main part (211) cooperation
In the connecting hole of diving pump case (10), the ring part (212) is located at the outer surface of diving pump case (10)
On.
5. waterproof sealing structure according to claim 1-4, which is characterized in that the waterproof sealing structure (20)
It further include sealing ring (24)；The sealing ring (24) is connected to described self-locking in the connecting hole of diving pump case (10)
On one end of sealing nut (21), and it is set in the cable (22) periphery.
6. a kind of immersible pump, which is characterized in that including diving pump case (10) and be arranged on the diving pump case (10)
Waterproof sealing structure (20), the diving pump case (10) be equipped with connecting hole；
The waterproof sealing structure (20) include the internal screw thread being arranged in the connecting hole, installation in the connecting hole from
It locks sealing nut (21), pass through the cable (22) that the self-locking seal nut (21) enters in diving pump case (10)；
The cable (22) includes at least one plain conductor (221), is arranged outside the conducting wire of the plain conductor (221) periphery
Shell (222), the insulation fill stratum (223) being filled between the conductor casing (222) and plain conductor (221).
7. immersible pump according to claim 6, which is characterized in that the self-locking seal nut (21) be equipped with it is described interior
The external screw thread (23) that screw thread matches；Through-hole (210) are equipped in the middle part of the self-locking seal nut (21), the cable (22) passes through
The through-hole (210) enters in the diving pump case (10), and cable (22) periphery and the through-hole (210) inner wall are close
Connect.
8. immersible pump according to claim 6, which is characterized in that the conductor casing (222) is the conjunction of corrosion resistant metal
Golden shell；The insulation fill stratum (223) is inorganic mineral filled layer.
9. immersible pump according to claim 6, which is characterized in that the self-locking seal nut (21) includes main part
(211), it is connected to the ring part (212) of the main part (211) one end and diameter convex；Main part (211) cooperation exists
In the connecting hole of diving pump case (10), the ring part (212) is located on the outer surface of diving pump case (10).
10. according to the described in any item immersible pumps of claim 6-9, which is characterized in that the waterproof sealing structure (20) is also wrapped
Include sealing ring (24)；The sealing ring (24), which is located in the connecting hole of diving pump case (10), is connected to the self-locking seal
On one end of nut (21), and it is set in the cable (22) periphery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821635953.5U CN209041163U (en) | 2018-10-09 | 2018-10-09 | Immersible pump and its waterproof sealing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821635953.5U CN209041163U (en) | 2018-10-09 | 2018-10-09 | Immersible pump and its waterproof sealing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209041163U true CN209041163U (en) | 2019-06-28 |
Family
ID=67035304
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821635953.5U Active CN209041163U (en) | 2018-10-09 | 2018-10-09 | Immersible pump and its waterproof sealing structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209041163U (en) |
-
2018
- 2018-10-09 CN CN201821635953.5U patent/CN209041163U/en active Active
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