CN206948101U - The cable connection structure of submersible pump - Google Patents
The cable connection structure of submersible pump Download PDFInfo
- Publication number
- CN206948101U CN206948101U CN201720720762.8U CN201720720762U CN206948101U CN 206948101 U CN206948101 U CN 206948101U CN 201720720762 U CN201720720762 U CN 201720720762U CN 206948101 U CN206948101 U CN 206948101U
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- cable
- connection head
- submersible pump
- connection structure
- cable connection
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Abstract
The utility model provides a kind of cable connection structure of submersible pump, the cable connection structure is arranged between the CA cable assembly of submersible motor and the connector assembly of immersible pump, including the connection head being arranged on CA cable assembly and the terminal portions being arranged on connector assembly, wherein, the terminal portions are provided with installing blind, the bottom of installing blind is provided with conductive pin, the inside on the connection head is provided with conductive pin insert, the connection head, which is installed in installing blind, causes conductive pin and the conducting of conductive pin insert, and, the connection head is sealed by sealing structure and the inwall radial interference of installing blind.Cable connection structure of the present utility model is sealed by providing radial interference between the CA cable assembly of submersible motor and the connector assembly of immersible pump, integral sealing effect is good, moisture can effectively be completely cut off and wet gas enters inside cable cover(ing) so as to contact powered conductive pin, the reliability of submersible pump is improved and extend the service life of submersible motor.
Description
Technical field
The utility model relates generally to liquid pump accessory technical field, more particularly, to a kind of cable of submersible pump
Attachment structure.
Background technology
Immersible pump is the machinery for conveying liquid or being pressurized liquid, for by the mechanical energy of prime mover or other external energies
Liquid is transmitted, increases liquid energy, being mainly used to conveying includes water, oil, acid ＆ alkali liquid, emulsion, suspended emulsion and liquid gold
The liquid such as category, can also convey liquid, admixture of gas and the liquid containing suspended solids.Submersible pump mainly includes being connected to
Immersible pump and submersible motor together.When immersible pump works under water, it is necessary to prevent water from entering motor at cable pigtail
Cause motor to make moist to burn or shock episodes occur, thus control that cable seal waterproof ability directly affects submersible pump can
By property.
The cable seal of traditional submersible pump is typically employed at the terminal box of submersible pump by adjusting screw clamping pad
Enclose to be sealed to cable tail.This sealing effectiveness is poor, and the sealing property of cable in itself is not high, electricity easily occurs
The damage of cable root causes seal failure, so cause the cable moisture absorption and water inlet and produce decreasing insulating and motor burn out it is existing
As.
Utility model content
The purpose of this utility model is to be directed to deficiency of the prior art, proposes a kind of improved cable connection structure,
Ensure that water will not enter immersible pump enclosure interior and contact charging member, product wire connects the technology sealed so as to solve to dive under water
Problem.
Therefore, according to the utility model, there is provided a kind of cable connection structure of submersible pump, the cable connection structure are set
It is placed between the CA cable assembly of submersible motor and the connector assembly of immersible pump, including the connector being arranged on the CA cable assembly
Portion and the terminal portions being arranged on the connector assembly, wherein, the terminal portions are provided with installing blind, the bottom of installing blind
Portion is provided with conductive pin, and the inside on the connection head is provided with conductive pin insert, and the connection head is installed on the installing blind
It is interior so that the conductive pin and conductive pin insert conducting, also, the connection head passes through sealing structure and the installation
The inwall radial interference sealing of blind hole.
According to above-mentioned technical concept, the utility model can further comprise any one or more following preferred forms.
In some preferred forms, the sealing structure is at least one convex on the connection head outer wall including being formed
Go out sealing structure.
In some preferred forms, the protrusion sealing structure is the convex annular formed around the connection head outer wall
Edge.
In some preferred forms, the sealing structure is at least one recessed on the connection head outer wall including being formed
Fall into sealing structure.
In some preferred forms, the depression sealing structure is the annular ditch formed around the connection head outer wall
Groove.
In some preferred forms, the sealing structure also includes the ring washer coordinated with the ring-shaped groove, or
Form the annular protruding rib on the installing blind inwall.
In some preferred forms, the connection head is made up of Corvic material.
In some preferred forms, the cable connection structure also includes consolidating on the connection head and the terminal portions
Fixed and axial seal pad for fixing electric wire line, the pad for fixing electric wire line are socketed on the connection head and are connected to described connect by fastener
Thread end.
At least had the following advantages that compared to existing structure according to the cable connection structure of submersible pump of the present utility model：
1. by the way that the terminal portions radial interference on the connection head of CA cable assembly and connector assembly is sealed, water is effectively prevented
Into submersible pump inside and contact charging member；
2. ensure will not because of the fastener of such as screw loosening or installation it is not in place and influence the close of whole product
Effect is sealed, reduces influence of the technique to product quality in worker's assembling process；
3. the elasticity for connecting the Corvic material on head further ensure that the sealing of immersible pump；
4. CA cable assembly seals fixation by pad for fixing electric wire line and fastener with connector assembly, so as to prevent making because of loosening
Into seal failure, simple in construction, easy to use, good sealing effect.
Brief description of the drawings
Further feature of the present utility model and advantage are by the preferred embodiment by being described in detail below in conjunction with accompanying drawing
More fully understand, wherein：
Fig. 1 is the schematic diagram according to the cable connection structure of the submersible pump of the utility model preferred embodiment；
Fig. 2 is the schematic diagram on the connection head of CA cable assembly, and pad for fixing electric wire line is socketed with the connection head.
Embodiment
The implementation and use of embodiment is discussed further below.It will be appreciated, however, that the specific embodiment discussed only shows
Illustrate to implement to plasticity and using ad hoc fashion of the present utility model, and unrestricted the scope of the utility model.It is each in description
The statement in the locations of structures of individual part direction such as upper and lower, top, bottom is not absolute, but relative.When each portion
When part is arranged as shown in FIG., the statement of these directions is appropriate, but in figure during the position change of all parts, these direction tables
State also corresponding change.
Referring to shown in Fig. 1 and Fig. 2, set according to the cable connection structure of the submersible pump of the utility model preferred embodiment
It is placed between the CA cable assembly 1 of submersible motor and the connector assembly of immersible pump.Wherein, CA cable assembly 1 includes connection head 100,
The terminal portions 5 of connector assembly are provided with installing blind 500.To realize conducting between the two, in the inside on connection head 100
Provided with conductive pin insert 102, while conductive pin 501 is provided with the bottom of installing blind 500, conductive pin 501 can use metal embedding
The mode of part is moulded in installing blind 500.When connection head 100, which is pressed into, to be installed in installing blind 500, conductive pin
501 and conductive pin insert 102 conducting realize conducting function.Here it should be understood that the inside on connection head 100 is provided with 3
Conductive pin insert 102, it is connected respectively the L lines, N lines and ground wire of plug.
In the illustrated embodiment, connection head 100 is arranged to cylinder, on its external wall formed with least one convex
Go out sealing structure to form sealing structure to be sealed with the inwall radial interference of installing blind 500.As shown in Fig. 2 implement herein
In mode, protrusion sealing structure is the annular flange 101 that the outer wall around connection head 100 is formed, and 2 are illustrated in figure
Spaced annular flange 101.Advantageously, the connection head 100 of CA cable assembly 1 processed by Corvic material and
Into the material has higher volume resistance and breakdown voltage, and has stronger insulating properties/fire resistance and softness
Property, it is preferable that it can also use V0 fire proofings that the terminal portions 5 of connector assembly are made.Thus, it is possible to be further ensured that connector
Sealing between the outer wall in portion 100 and the inwall of installing blind 500.
In some embodiments, connect head 100 outer wall and installing blind 500 inwall between sealing structure also
At least one depression sealing structure formed on the outer wall on connection head 100 can be configured to.For example, depression sealing knot
Structure can be the ring-shaped groove that the outer wall around connection head 100 is formed.Correspondingly, the sealing structure also includes and ring-shaped groove
The ring washer of cooperation, or the annular protruding rib on installing blind inwall is formed, so as to realize excellent sealing effect.
It can be seen from figure 1 that also included that head 100 and terminal portions will be connected according to cable connection structure of the present utility model
500 fix the pad for fixing electric wire line 4 of simultaneously axial seal, and the pad for fixing electric wire line 4 is socketed on connection head 100 and is connected to by fastener
Terminal portions 5.In the illustrated embodiment, pad for fixing electric wire line 4 is provided with the central through hole passed through for connection head 100, and two
Screwing through hole.Meanwhile the top planes of installing blind 500 are also correspondingly provided with two screw blind holes.By this way, when cable group
After the connection head 100 of part 1 is fitted into the installing blind 500 of the terminal portions 5 on connector assembly, the ring of CA cable assembly 1
Shape flange 101 will produce interference fit with the inwall of installing blind 500 and realize sealing, and the conductive pin insert of CA cable assembly 1
102 and terminal portions 5 conductive pin 501 connection realize conducting.Further, since the upper plane in terminal portions 5 provides live conductor
Packing ring 4 (and also including water pump handle 2 in some embodiments), and terminals are fixed on by screw fastener 3
In portion 5, so as to prevent CA cable assembly 1 from occurring in use by pad for fixing electric wire line 4 while axial seal is provided
Slip phenomenon, CA cable assembly 1 and terminal portions 5 are avoided to separate.
The cable connection structure of submersible pump of the present utility model passes through the CA cable assembly and immersible pump in submersible motor
Radial interference sealing is provided between connector assembly, integral sealing effect is good, can effectively completely cut off moisture and wet gas enters electricity
So as to contact powered conductive pin inside cable sheath, improve the reliability of submersible pump and extend the use longevity of submersible motor
Life.
Technology contents and technical characterstic of the present utility model are had revealed that above, it being understood, however, that of the present utility model
Under creative ideas, those skilled in the art can make various changes and improve to design disclosed above, but belong to this reality
With new protection domain.The description of above-mentioned embodiment is exemplary rather than restricted, protection of the present utility model
Scope is determined by claim.
Claims (8)
1. a kind of cable connection structure of submersible pump, it is characterised in that the cable connection structure is arranged at submersible motor
Between CA cable assembly and the connector assembly of immersible pump, including the connection head being arranged on the CA cable assembly and it is arranged at described
Terminal portions on connector assembly, wherein, the terminal portions are provided with installing blind, and the bottom of installing blind is provided with conductive pin,
The inside on the connection head is provided with conductive pin insert, and the connection head, which is installed in the installing blind, causes the conduction
Pin and the conductive pin insert conducting, also, the connection head passes through the inwall of sealing structure and installing blind radial direction
Interference seal.
2. the cable connection structure of submersible pump according to claim 1, it is characterised in that the sealing structure includes shape
Into at least one protrusion sealing structure on the connection head outer wall.
3. the cable connection structure of submersible pump according to claim 2, it is characterised in that it is described protrusion sealing structure be
The annular flange formed around the connection head outer wall.
4. the cable connection structure of submersible pump according to claim 1, it is characterised in that the sealing structure includes shape
Into at least one depression sealing structure on the connection head outer wall.
5. the cable connection structure of submersible pump according to claim 4, it is characterised in that it is described depression sealing structure be
The ring-shaped groove formed around the connection head outer wall.
6. the cable connection structure of submersible pump according to claim 5, it is characterised in that the sealing structure also includes
The ring washer coordinated with the ring-shaped groove, or form the annular protruding rib on the installing blind inwall.
7. the cable connection structure of submersible pump according to claim 1, it is characterised in that the connection head is by polychlorostyrene
Vinyl resinous material is made.
8. the cable connection structure of submersible pump according to claim 1, it is characterised in that the cable connection structure is also
Pad for fixing electric wire line including the connection head and the terminal portions to be fixed to simultaneously axial seal, the pad for fixing electric wire line are socketed on institute
State connection head and the terminal portions are connected to by fastener.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720762.8U CN206948101U (en) | 2017-06-20 | 2017-06-20 | The cable connection structure of submersible pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720720762.8U CN206948101U (en) | 2017-06-20 | 2017-06-20 | The cable connection structure of submersible pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206948101U true CN206948101U (en) | 2018-01-30 |
Family
ID=61365692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720720762.8U Active CN206948101U (en) | 2017-06-20 | 2017-06-20 | The cable connection structure of submersible pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206948101U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362417A (en) * | 2021-12-09 | 2022-04-15 | 卧龙电气驱动集团股份有限公司 | Motor sealing structure and motor |
-
2017
- 2017-06-20 CN CN201720720762.8U patent/CN206948101U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114362417A (en) * | 2021-12-09 | 2022-04-15 | 卧龙电气驱动集团股份有限公司 | Motor sealing structure and motor |
| CN114362417B (en) * | 2021-12-09 | 2023-08-18 | 卧龙电气驱动集团股份有限公司 | Motor sealing structure and motor |
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