CN207910586U - A kind of multi-sealing structure of submersible pump - Google Patents

A kind of multi-sealing structure of submersible pump Download PDF

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Publication number
CN207910586U
CN207910586U CN201820389581.6U CN201820389581U CN207910586U CN 207910586 U CN207910586 U CN 207910586U CN 201820389581 U CN201820389581 U CN 201820389581U CN 207910586 U CN207910586 U CN 207910586U
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CN
China
Prior art keywords
cylinder
cavity
sealing
additionally provided
end cap
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 - Fee Related
Application number
CN201820389581.6U
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Chinese (zh)
Inventor
郑兆熊
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Individual
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Individual
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Priority to CN201820389581.6U priority Critical patent/CN207910586U/en
Application granted granted Critical
Publication of CN207910586U publication Critical patent/CN207910586U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model is related to water pump fields, more particularly to a kind of multi-sealing structure of submersible pump, including the first cylinder, the terminal box and cable being located on the first cylinder, it further include the end cap being tightly connected with the first cylinder, the second cylinder being connect with end cap seal, cavity is equipped in first cylinder, storage cavity is additionally provided in terminal box, sealing is additionally provided in storage cavity, sealing is equipped with intercommunicating pore, intercommunicating pore is connected to cavity, internal thread is equipped at intercommunicating pore, connector cover is additionally provided in terminal box, connector cover is equipped with seal chamber, fluid sealant is equipped in seal chamber, the mounting hole for making cable pass through is additionally provided on connector cover, mounting hole is equipped with internal thread.The utility model good water-proof effect can effectively extend the service life of electric pump.

Description

A kind of multi-sealing structure of submersible pump
Technical field
The utility model is related to water pump fields, and in particular to a kind of multi-sealing structure of submersible pump.
Background technology
It is to directly affect submersible motor reliability key factor that submersible electric pump cable, which seals waterproof, and reprocessing has 70% in electric pump All it is because cable water inlet causes coil to make moist until burning.The main path one of cable water inlet is cable sheath breakage along line Gap between core enters motor, second is that cable core breakage water enters motor along the gap between the copper wire inside core, Also being exactly that sealing effect at terminal box is bad causes water to enter from terminal box, and coil is caused to be damaged.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of good diving electricity of sealing effect Pump multi-sealing structure.
To achieve the above object, the utility model provides following technical solution:Including the first cylinder, it is located at the first cylinder On terminal box and cable, further include the end cap being tightly connected with the first cylinder, the second cylinder being connect with end cap seal, It is equipped with cavity in one cylinder, storage cavity is additionally provided in terminal box, sealing is additionally provided in storage cavity, sealing is equipped with connection Hole, intercommunicating pore are connected to cavity, and internal thread is equipped at intercommunicating pore, and connector cover is additionally provided in terminal box, and connector cover is equipped with close Chamber is sealed, fluid sealant is equipped in seal chamber, the mounting hole for making cable pass through is additionally provided on connector cover, mounting hole is equipped with Internal thread.
Further, the first cylinder is being equipped with the first seal groove with end cap junction, and end cap is equipped with sealing ring, and sealing ring is stretched Enter in cavity, sealing ring is equipped with the second seal groove.
Further, it is additionally provided with the second seal chamber on end cap, the second cylinder is equipped with compatible with the second sealing cavity the Three sealing cavities are additionally provided with the 4th sealing cavity on the second cylinder.
The deficiencies in the prior art are compared, advantageous effect caused by technical solution provided by the utility model:When in use, Connector cover is connected with terminal box by screw, is additionally provided in terminal box for placing rubber seal mounting groove, is played close Envelope acts on, and water is avoided to enter from gap, while the presence of storage cavity so that by a small amount of liquid being entered storage can be flow to In water cavity, avoid the problem that water enters cavity along cable and occurs so as to cause coil burnout, intercommunicating pore and mounting hole are equal Equipped with internal thread, therefore intercommunicating pore and mounting hole can further be sealed by cable feedthrough, even if storage cavity Inside there is more water but also water will not enter from intercommunicating pore in cavity, lift-off seal effect, cable is from outside through peace Dress hole simultaneously enter in seal chamber, the cable in seal chamber is wrapped up by fluid sealant, fluid sealant include the first sealant layer, Second sealant layer and third sealant layer are wrapped in cable in the first sealant layer, are wrapped in the second sealant layer Except the cable core of cable external protection, the third sealant layer is wrapped in the conduction for eliminating cable core protective layer Body, such as copper wire etc., therefore can effectively avoid the problem that coil damage caused by cable water inlet occurs, meanwhile, with first The presence for the end cap, the second cylinder being connect with end cap seal that cylinder is tightly connected is but also water will not be empty from entering elsewhere Chamber so that waterproof effect is more preferable.
Description of the drawings
Fig. 1 is the first cylinder sectional view of the utility model.
Fig. 2 is the connector cover schematic diagram of the utility model.
Fig. 3 is the end cap sectional view of the utility model.
Fig. 4 is the second cylinder sectional view of the utility model.
Fig. 5 is the fluid sealant sectional view of the utility model.
Fig. 6 is the structural schematic diagram figure of the utility model.
Specific implementation mode
The preferred embodiment of the utility model is illustrated below in conjunction with attached drawing, it should be understood that described herein excellent It selects embodiment to be merely to illustrate and explain the present invention, is not used to limit the utility model.
- Fig. 6 is described further the utility model referring to Fig.1.
A kind of multi-sealing structure of submersible pump, including the first cylinder 1,12 and of terminal box that is located on the first cylinder 1 The second cylinder 4 that cable 6 further includes the end cap 3 being tightly connected with the first cylinder 1, is tightly connected with end cap 3, the first cylinder 1 It is interior to be equipped with cavity 11, it is additionally provided with storage cavity 121 in terminal box 12, sealing 122, sealing are additionally provided in storage cavity 121 122 are equipped with intercommunicating pore 123, and intercommunicating pore 123 is connected to cavity 11, and internal thread is equipped at intercommunicating pore 123, is additionally provided in terminal box 12 Connector cover 2, connector cover 2 are equipped with seal chamber 21, fluid sealant 5 are equipped in seal chamber 21, is additionally provided on connector cover 2 for making The mounting hole 22 that cable 6 passes through, mounting hole 22 are equipped with internal thread;When in use, connector cover 2 and terminal box 12 pass through spiral shell Nail is connected, and is additionally provided in terminal box 12 for placing rubber seal mounting groove 124, plays sealing function, avoids water from connecing At the gap of 12 junction of wire box lid 2 and terminal box enter, while the presence of storage cavity 121 make even if by a small amount of liquid into Entering can also flow in storage cavity 121, avoid the problem that water occurs into cavity so as to cause coil burnout along cable 6, Intercommunicating pore 123 and mounting hole 22 are equipped with internal thread, therefore can be carried out to intercommunicating pore 123 and mounting hole 22 by cable feedthrough Further sealing, even if there are more water but also water will not enter cavity 11 from intercommunicating pore 123 in storage cavity 121 Interior, lift-off seal effect, cable 6 is from outside through mounting hole 22 and enters in seal chamber 21, is located in seal chamber 21 Cable 6 is wrapped up by fluid sealant 5, and fluid sealant 5 includes the first sealant layer 51, the second sealant layer 52 and third sealant layer 53, cable 6 is wrapped in the first sealant layer 51, and the electricity of removal cable external protection is wrapped in the second sealant layer 52 Cable core 61, third sealant layer 53 are wrapped in the electric conductor 62 for eliminating cable core protective layer, such as copper wire etc., therefore energy It is enough effectively to avoid the problem that coil damage occurs caused by cable 6 is intake, at the same also have the characteristics that produce it is simple, with the The presence of end cap 3, the second cylinder 4 being tightly connected with end cap 3 that one cylinder 1 is tightly connected is but also water will not be from elsewhere Into cavity 11 so that waterproof effect is more preferable, and oxidation constrictive type fluid sealant can be used in fluid sealant, can also can be reached using other The fluid sealant of same effect.
Further, the first cylinder 1 is being equipped with the first seal groove 13 with 3 junction of end cap, and end cap 3 is equipped with sealing ring 31, Sealing ring 31 stretches into cavity 11, and sealing ring 31 is equipped with the second seal groove 311, and rubber sheet gasket is placed in the first seal groove 13, Therefore when in use, water will not enter from end cap 3 and 1 junction of the first cylinder, while sealing ring 31 stretches into cavity 11, and second Rubber ring is placed in seal groove 311, rubber ring and the first cylinder 1 form water proof groove so that can having a small amount of water to enter Stopped by rubber ring and stay in water proof groove, will not enter in cavity 11, avoids because coil caused by cavity 11 is intake damages Bad problem occurs.
Further, the second seal chamber 32 is additionally provided on end cap 3, the second cylinder 4 is equipped with mutually fits with the second sealing cavity 32 The third sealing cavity 41 matched is additionally provided with the 4th sealing cavity 42, the second seal chamber 32 and third seal chamber 41 on the second cylinder 4 Place is equipped with two-sided mechanical seal, and the 4th sealing cavity 42 is equipped with single side mechanical seal, therefore can effectively avoid when in use Water enters in cavity 11 the problem of to cause coil burnout and occurs.
The above is only the preferred embodiment of the present invention, is not intended to limit the utility model, the skill of this field Art personnel carry out common variations and alternatives within the scope of technical solutions of the utility model should be included in the guarantor of the utility model It protects in range.

Claims (3)

1. a kind of multi-sealing structure of submersible pump, including the first cylinder, the terminal box that is located on the first cylinder and cable, It is characterized in that:Further include the end cap being tightly connected with the first cylinder, the second cylinder being connect with end cap seal, described first It is equipped with cavity in cylinder, is additionally provided with storage cavity in the terminal box, sealing is additionally provided in the storage cavity, it is described Sealing be equipped with intercommunicating pore, the intercommunicating pore be connected to cavity, equipped with internal thread, the wiring at the intercommunicating pore Connector cover is additionally provided on box, the connector cover is equipped with seal chamber, is equipped with fluid sealant in the seal chamber, described connects Wire box covers the mounting hole being additionally provided with for making cable pass through, and the mounting hole is equipped with internal thread.
2. a kind of multi-sealing structure of submersible pump according to claim 1, it is characterised in that:First cylinder It is being equipped with the first seal groove with end cap junction, the end cap is equipped with sealing ring, and the sealing ring stretches into cavity, institute The sealing ring stated is equipped with the second seal groove.
3. a kind of multi-sealing structure of submersible pump according to claim 1, it is characterised in that:On the end cap also Equipped with the second seal chamber, second cylinder is equipped with third sealing cavity compatible with the second sealing cavity, described The 4th sealing cavity is additionally provided on second cylinder.
CN201820389581.6U 2018-03-22 2018-03-22 A kind of multi-sealing structure of submersible pump Expired - Fee Related CN207910586U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201820389581.6U CN207910586U (en) 2018-03-22 2018-03-22 A kind of multi-sealing structure of submersible pump

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201820389581.6U CN207910586U (en) 2018-03-22 2018-03-22 A kind of multi-sealing structure of submersible pump

Publications (1)

Publication Number Publication Date
CN207910586U true CN207910586U (en) 2018-09-25

Family

ID=63558344

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201820389581.6U Expired - Fee Related CN207910586U (en) 2018-03-22 2018-03-22 A kind of multi-sealing structure of submersible pump

Country Status (1)

Country Link
CN (1) CN207910586U (en)

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CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180925