CN209056869U - A kind of sealing structure of submersible electric pump cable - Google Patents
A kind of sealing structure of submersible electric pump cable Download PDFInfo
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- CN209056869U CN209056869U CN201821867855.4U CN201821867855U CN209056869U CN 209056869 U CN209056869 U CN 209056869U CN 201821867855 U CN201821867855 U CN 201821867855U CN 209056869 U CN209056869 U CN 209056869U
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Abstract
The utility model provides a kind of sealing structure of submersible electric pump cable, belongs to submersible pump technical field.It solves the problems, such as that existing submersible electric pump cable leakproofness is poor.The sealing structure of this submersible electric pump cable, submersible pump includes shell, the top of shell has through-hole, sealing structure includes the sealing convex edge of inwardly projecting setting in pressure plate, sealing block and inner side wall of through hole, sealing block and cable are an integral structure, there is first annular step face and the second annular step surface on the lateral wall of sealing block, sealing block is partially embedded into through-hole and the inner sidewall of the lateral wall of sealing block and through-hole fits, pressure plate, which is pressed on first annular step face, is resisted against the second annular step surface on sealing convex edge, and pressure plate is fixedly connected with shell.This sealing structure has the advantages that improve leakproofness between cable and submersible pump.
Description
Technical field
The utility model belongs to submersible pump technical field, is related to a kind of sealing structure of submersible electric pump cable.
Background technique
Submersible pump is one kind of immersible pump, is a kind of pump housing impeller and the motor of impeller is driven all to pull the plug work
A kind of water pump is the important equipment of water lift, has deep-well to use with work surface with two kinds.Submersible pump is placed in water and works
, it is connected by cable with submersible pump, the electric power of submersible pump work is provided, therefore, cable and submersible pump junction
Sealing performance just influences the service life of submersible pump.
The sealing structure of existing cable and submersible pump junction, such as Chinese patent literature data disclose integration
Submersible sewage pump [application number: 201721915063.5；Authorization Notice No.: CN207777212U] comprising submersible motor component and with
It couples pump parts and shell together, and submersible motor component outgoing cable and the cable for being fixed on upper shell are fixed
Set, outgoing cable are drawn from housing top end by cable fixing sleeve and are fixed.
The submersible sewage pump of this kind of structure, cable are drawn from housing top end by cable fixing sleeve and are fixed, i.e., cable and cable are solid
Fixed set is split type structure, and cable fixing sleeve covers outside cable, and there are gaps between cable fixing sleeve and cable, and there are leaks
The problem of.And the submersible sewage pump of this kind of structure, cable fixing sleeve are threaded through in the through-hole of cover top portion, and through-hole is straight, electricity
The top of cable fixing sleeve is compressed by pressing plate, is only had at one at compression, between cable fixing sleeve and shell to be bonded effect poor, i.e.,
Leakproofness is poor, there are problems that leak.
Summary of the invention
The purpose of this utility model is to propose a kind of submersible electric pump cable for the above-mentioned problems in the prior art
Sealing structure, the technical issues of solution is the leakproofness how improved between cable and submersible pump.
The purpose of this utility model can be realized by the following technical scheme: a kind of sealing structure of submersible electric pump cable,
Submersible pump includes shell, and the top of the shell has through-hole, and sealing structure includes pressure plate, which is characterized in that sealing knot
Structure further includes the sealing convex edge of inwardly projecting setting in sealing block and inner side wall of through hole, and the sealing block and cable are integral type knot
Structure, has first annular step face and the second annular step surface on the lateral wall of the sealing block, and the sealing block is partially submerged into
Into through-hole and the inner sidewall of the lateral wall of the sealing block and through-hole fits, and the pressure plate is pressed in first annular step face
On make the second annular step surface be resisted against sealing convex edge on, the pressure plate is fixedly connected with shell.
Sealing block and cable are an integral structure, i.e., do not have gap, good airproof performance between sealing block and cable.It seals convex
Along cooperation pressure plate, it is fixed in through-holes to make sealing block insertion, and seals convex edge cooperation pressure plate during compression, can make
Sealing block generates certain deformation quantity, the inside for sticking on through-hole which can enable the lateral wall of sealing block tighter
On wall, the sealing effect of sealing block is improved, to improve the leakproofness between cable and submersible pump.Pressure plate and first annular
Step surface is face contact, and the second annular step surface and sealing convex edge are also face contact, and contact area is big, the jail for installing sealing block
Gu degree is high, and the contact position of sealing block and pressure plate and sealing convex edge has also been respectively formed sealing, improves cable and submersible pump
Between leakproofness.
In a kind of sealing structure of above-mentioned submersible electric pump cable, also there is convex on the lateral wall of the sealing block
The bulge loop being arranged out, between first annular step face and bulge loop, the bulge loop sticks on close second annular step surface
It seals on the inner sidewall of convex edge.This kind of structure keeps the contact sealing effect between bulge loop and sealing convex edge good, it is close to be formed simultaneously multiple tracks
Envelope improves the leakproofness between cable and submersible pump.
In a kind of sealing structure of above-mentioned submersible electric pump cable, the lateral wall of the bulge loop is arc-shaped.First is that making close
Movement is smooth when envelope block is inserted into through-hole；Second is that contacting bulge loop preferably with sealing convex edge, leakproofness is improved.
Have in a kind of sealing structure of above-mentioned submersible electric pump cable, on the lateral wall of the sealing block bottom is in arc
The guide surface of shape or taper.Movement is smooth when being inserted into sealing block in through-hole, and there is no block.
In a kind of sealing structure of above-mentioned submersible electric pump cable, the sealing convex edge is located at the bottom of through-hole.This kind
Structure, it is possible to reduce the length of through-hole rationally utilizes space.
In a kind of sealing structure of above-mentioned submersible electric pump cable, there is embedded hole, the compression in the pressure plate
The edge of plate has notch, and the notch is connected with embedded hole.Sealing block part above first annular step face,
It can be embedded into embedded hole by notch, be arranged and fixed conveniently pressure plate.
In a kind of sealing structure of above-mentioned submersible electric pump cable, the pressure plate is solid by fastener and outer shell phase
Even.Fastener is bolt, and connected firmness is high.
Compared with prior art, the sealing structure of submersible electric pump cable provided by the utility model has the advantage that
1, the sealing block of this cable seal structure and cable are an integral structure, good airproof performance；And sealing convex edge cooperation
Pressure plate, enables that sealing block is more preferable, on the tighter inner sidewall for sticking on through-hole, improves the sealing effect of sealing block, thus
Improve the leakproofness between cable and submersible pump.
2, bulge loop is arranged in this cable seal structure, is sealed by being formed again between bulge loop and sealing convex edge, realizes multiple tracks
Sealing improves the leakproofness between cable and submersible pump.
Detailed description of the invention
Fig. 1 is the overall structure diagram of the sealing structure of this submersible electric pump cable.
Fig. 2 is the overall structure cross-sectional view of the sealing structure of this submersible electric pump cable.
Fig. 3 is the sealing structure sealing block of this submersible electric pump cable and the overall structure diagram of cable.
Fig. 4 is the structural schematic diagram of the sealing structure through hole of this submersible electric pump cable.
Fig. 5 is the structural scheme of mechanism of the sealing structure pressure plate of this submersible electric pump cable.
In figure, 1, shell；2, through-hole；3, pressure plate；31, embedded hole；32, notch；4, sealing block；41, first annular
Terrace；42, the second annular step surface；43, bulge loop；44, guide surface；5, convex edge is sealed；6, cable.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1, Figure 2, Figure 4 shows, submersible pump includes shell 1, and the top of shell 1 has through-hole 2, and sealing structure includes
The sealing convex edge 5 of inwardly projecting setting on 2 inner sidewall of pressure plate 3, sealing block 4 and through-hole.
As shown in figure 3, sealing block 4 and cable 6 are an integral structure, sealing convex edge 5 is located at the bottom of through-hole 2.Sealing block 4
Lateral wall on have first annular step face 41, the second annular step surface 42 and the bulge loop 43 for outwardly protruding setting, the second ring
For shape step surface 42 between first annular step face 41 and bulge loop 43, the lateral wall of bulge loop 43 is arc-shaped, close in the present embodiment
Sealing has arc-shaped guide surface 44 on the lateral wall of 4 bottom of block, in actual production, have on the lateral wall of 4 bottom of sealing block
Tapered guide surface 44.Sealing block 4 is partially embedded into through-hole 2 and the lateral wall of sealing block 4 and the inner sidewall of through-hole 2 are affixed
It closes, bulge loop 43 sticks on the inner sidewall of sealing convex edge 5.
As shown in figure 5, have embedded hole 31 in pressure plate 3, the edge of pressure plate 3 has a notch 32, notch 32 with it is embedding
Entering hole 31 to be connected, 4 part of sealing block above first annular step face 41 is embedded into embedded hole 31 by notch 32,
Pressure plate 3, which is pressed on first annular step face 41, is resisted against the second annular step surface 42 on sealing convex edge 5, such as by fastener
Bolt is fixedly connected with pressure plate 3 with shell 1.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although shell 1, through-hole 2, pressure plate 3, embedded hole 31, notch 32, sealing block 4, first is used more herein
The terms such as annular step surface 41, the second annular step surface 42, bulge loop 43, guide surface 44, sealing convex edge 5, cable 6, but do not arrange
A possibility that except other terms are used.The use of these items is only for be more convenient to describe and explain the sheet of the utility model
Matter；It is contrary to the spirit of the present invention to interpret them as any one of the additional limitations.
Claims (7)
1. a kind of sealing structure of submersible electric pump cable, submersible pump includes shell (1), and the top of the shell (1) has logical
Hole (2), sealing structure include pressure plate (3), which is characterized in that sealing structure further includes sealing block (4) and through-hole (2) inner sidewall
The sealing convex edge (5) of upper inwardly projecting setting, the sealing block (4) and cable (6) are an integral structure, the sealing block (4)
Lateral wall on there is first annular step face (41) and the second annular step surface (42), the sealing block (4) is partially embedded into
In through-hole (2) and the lateral wall of the sealing block (4) and the inner sidewall of through-hole (2) fit, and the pressure plate (3) is pressed in first
It is resisted against the second annular step surface (42) in sealing convex edge (5), the pressure plate (3) and shell
(1) it is fixedly connected with.
2. a kind of sealing structure of submersible electric pump cable according to claim 1, which is characterized in that the sealing block (4)
Lateral wall on also have and outwardly protrude the bulge loop (43) of setting, second annular step surface (42) is located at first annular step
Between face (41) and bulge loop (43), the bulge loop (43) is sticked on the inner sidewall of sealing convex edge (5).
3. a kind of sealing structure of submersible electric pump cable according to claim 2, which is characterized in that the bulge loop (43)
Lateral wall is arc-shaped.
4. a kind of sealing structure of submersible electric pump cable according to claim 1 or 2 or 3, which is characterized in that the sealing
There is arc-shaped or taper guide surface (44) on the lateral wall of block (4) bottom.
5. a kind of sealing structure of submersible electric pump cable according to claim 1 or 2 or 3, which is characterized in that the sealing
Convex edge (5) is located at the bottom of through-hole (2).
6. a kind of sealing structure of submersible electric pump cable according to claim 1 or 2 or 3, which is characterized in that the compression
There are embedded hole (31) in plate (3), the edge of the pressure plate (3) has notch (32), the notch (32) and embedded hole
(31) it is connected.
7. a kind of sealing structure of submersible electric pump cable according to claim 1 or 2 or 3, which is characterized in that the compression
Plate (3) is fixedly connected with by fastener with shell (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867855.4U CN209056869U (en) | 2018-11-14 | 2018-11-14 | A kind of sealing structure of submersible electric pump cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821867855.4U CN209056869U (en) | 2018-11-14 | 2018-11-14 | A kind of sealing structure of submersible electric pump cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209056869U true CN209056869U (en) | 2019-07-02 |
Family
ID=67053246
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821867855.4U Active CN209056869U (en) | 2018-11-14 | 2018-11-14 | A kind of sealing structure of submersible electric pump cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209056869U (en) |
-
2018
- 2018-11-14 CN CN201821867855.4U patent/CN209056869U/en active Active
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