CN220358942U - Sewage pump cable sheath - Google Patents
Sewage pump cable sheath Download PDFInfo
- Publication number
- CN220358942U CN220358942U CN202322001354.5U CN202322001354U CN220358942U CN 220358942 U CN220358942 U CN 220358942U CN 202322001354 U CN202322001354 U CN 202322001354U CN 220358942 U CN220358942 U CN 220358942U
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- Prior art keywords
- sewage pump
- barrel
- cable sheath
- barrel body
- pump cable
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- 239000010865 sewage Substances 0.000 title claims abstract description 56
- 238000007493 shaping process Methods 0.000 claims abstract description 8
- 238000007789 sealing Methods 0.000 claims description 28
- 238000005266 casting Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 5
- 230000000149 penetrating effect Effects 0.000 abstract description 2
- 230000000694 effects Effects 0.000 description 6
- 230000017525 heat dissipation Effects 0.000 description 6
- 239000004519 grease Substances 0.000 description 3
- 238000009434 installation Methods 0.000 description 2
- 230000001012 protector Effects 0.000 description 2
- 230000003014 reinforcing effect Effects 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 238000007792 addition Methods 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
The utility model provides a sewage pump cable sheath, and belongs to the technical field of water pumps. The sewage pump solves the problem of poor running stability of the existing sewage pump. The sewage pump cable sheath comprises a top cover, wherein an annular flange is formed on the outer wall of the lower end of the top cover, a barrel body coaxial with the top cover is formed in the upper end of the top cover, a barrel opening of the barrel body is arranged upwards, three wire through holes are formed in the barrel bottom of the barrel body in a penetrating manner, and inner cavities of the barrel body and the top cover are communicated through the wire through holes; the barrel body upper end can be dismantled and be fixed with the bung, and the vertical shaping in bung top has the straight tube body, and straight tube body and bung two inner chamber intercommunication. The sewage pump cable sheath can improve the running stability of the sewage pump.
Description
Technical Field
The utility model belongs to the technical field of water pumps, and relates to a sewage pump, in particular to a cable sheath of the sewage pump.
Background
The sewage pump belongs to one kind of centrifugal impurity pump and is used mainly in conveying city sewage and excrement or liquid with fiber.
The utility model provides a novel explosion-proof dive dredge pump (application number: 201620313361.6) that current sewage pump is as chinese patent storehouse discloses, includes main cable, motor shaft, impeller, base, the left end of main cable is equipped with the couple, the main cable lower extreme is equipped with the upper bearing, the main cable is connected with the thermal protector, the upper bearing is connected with the motor shaft, the motor shaft is equipped with the rotor, the rotor outside is equipped with the stator, motor shaft one end is connected with the lower bearing, the right-hand member of lower bearing is equipped with the oil-water detector, the lower bearing lower extreme is equipped with mechanical seal, the mechanical seal outside is equipped with the grease chamber, the grease chamber is connected with the glib talker, the grease chamber is connected with the back shroud, the motor shaft is connected with the impeller, the impeller is connected with the pump body, the motor shaft bottom is connected with the alarm, the alarm is connected with the base left end is connected with the flange delivery port, base and gyro wheel swing joint.
As shown in the drawing of the sewage pump, the top of the sewage pump is a top cover, and the main cable is arranged on the top cover and is electrically connected with the outgoing line of the motor coil through the thermal protector. When in actual use, heat generated during motor operation can be transferred to the inner cavity of the top cover through the rotating shaft, so that the heat dissipation speed and the effect of the electric connection position are greatly reduced, the working heat productivity of the cable is increased, and the stable operation of the sewage pump is influenced.
Disclosure of Invention
The utility model aims to solve the problems in the prior art and provides a sewage pump cable sheath capable of improving the operation stability of a sewage pump.
The aim of the utility model can be achieved by the following technical scheme: the utility model provides a sewage pump cable sheath, includes the top cap, forms on the outer wall of top cap lower extreme has annular flange, and its characterized in that, the shaping has the staving coaxial with this top cap in the top cap upper end, and the bung hole of staving sets up upwards, runs through on the barrel head of staving and is equipped with three wire hole, and staving and top cap both inner chamber communicate through above-mentioned wire hole; the barrel body upper end can be dismantled and be fixed with the bung, and the vertical shaping in bung top has the straight tube body, and straight tube body and bung two inner chamber intercommunication.
When the sealing device is used, the external main cable is positioned on the straight pipe body through the sealing joint, and the main cable stretches into the barrel body; the three coil outgoing lines of the sewage pump motor respectively enter the bucket body through three wire through holes and are electrically connected with the main cable.
The sheath comprises a coaxially arranged barrel body and a barrel-shaped top cover, the upper end of a motor rotor shaft of the sewage pump and the connection positions of a main cable of the sewage pump and a lead-out wire of a motor coil are respectively arranged in the barrel body top cover and the barrel body, the rotor shaft and the connection positions are driven to separate heat dissipation, the quantity of heat of the motor of the sewage pump transferred to the barrel body upwards is effectively reduced, the heat dissipation efficiency and the effect of the cable are effectively improved, and the running stability of the sewage pump is further enhanced.
In the above-mentioned sewage pump cable sheath, the above-mentioned bung is including being cylindric main part and the annular seat of shaping on the main part outer wall, and above-mentioned straight tube body shaping is at the main part top, and annular seat presses on staving top surface, and annular seat and staving detachable seal link firmly.
In the sewage pump cable sheath, the inner wall of the upper end of the barrel body is provided with the annular step matched with the lower end of the main body, and the lower end of the main body is spliced in the annular step.
The annular seat is matched with the annular step to limit the installation position of the barrel cover, so that the barrel cover is installed in place at one time, and the assembly is convenient.
In the sewage pump cable sheath, the annular groove coaxial with the barrel body is formed in the top wall of the barrel body, the sealing ring is arranged in the annular groove, and two end faces of the sealing ring are respectively pressed on the bottom wall of the annular groove and the annular seat, so that reliable sealing is formed between the annular seat and the barrel body, and water leakage at the position is prevented.
In the sewage pump cable sheath, the axial section of the annular groove is L-shaped, and the inner side surface of the sealing ring is in contact sealing with the outer side wall of the lower end of the main body, so that a tortuous sealing path is formed, and the sealing effect formed between the annular seat and the barrel body is further enhanced.
In the sewage pump cable sheath, the annular seat is fixedly connected with the barrel body through a circle of screws uniformly distributed along the circumference of the top cover, the screws are vertically arranged and are positioned outside the sealing ring, and the heads of the screws are tightly pressed on the top surface of the annular seat. The annular seat is detachably and fixedly connected with the barrel body through a circle of vertically arranged screws, and the heads of the screws are upwards arranged, so that the barrel cover and the barrel body can be conveniently disassembled and assembled.
In the sewage pump cable sheath, the barrel bottom of the barrel body extends upwards from the through wire holes to form the ring parts, and the ring parts and the through wire holes are the same in number and correspond to each other in position one by one. The ring part is arranged to play a role similar to the reinforcing rib so as to strengthen the structural strength of the bottom wall of the barrel body.
In the sewage pump cable sheath, the top cover and the barrel body are of an integrated structure and are molded in a casting mode, so that the connection strength and the tightness of the top cover and the barrel body are effectively enhanced.
In the sewage pump cable sheath, the straight pipe body is internally provided with the internal threads so as to be convenient for connecting with a cable sealing joint.
In another scheme, in the sewage pump cable sheath, the barrel cover is in threaded connection with the outside of the upper end of the barrel body, and sealing is formed between the barrel cover and the barrel body through an o-shaped ring.
Compared with the prior art, the sewage pump cable sheath has the following advantages:
1. the sheath comprises a coaxially arranged barrel body and a barrel-shaped top cover, the upper end of a motor rotor shaft of the sewage pump and the connection positions of a main cable of the sewage pump and a lead-out wire of a motor coil are respectively arranged in the barrel body top cover and the barrel body, the rotor shaft and the connection positions are driven to separate heat dissipation, the quantity of heat of the motor of the sewage pump transferred to the barrel body upwards is effectively reduced, the heat dissipation efficiency and the effect of the cable are effectively improved, and the running stability of the sewage pump is further enhanced.
2. The annular seat is detachably and fixedly connected with the barrel body through a circle of vertically arranged screws, and the heads of the screws are upwards arranged, so that the barrel cover and the barrel body can be conveniently disassembled and assembled.
Drawings
Fig. 1 is a schematic perspective view of a sewage pump cable sheath.
Fig. 2 is a schematic cross-sectional structural view of a sewage pump cable sheath.
Fig. 3 is an enlarged schematic view of the structure at a in fig. 2.
In the figure, 1, a top cover; 1a, an annular flange; 2. a tub body; 2a, a wire passing hole; 2b, annular steps; 2c, a ring part; 3. a barrel cover; 3a, a straight pipe body; 3b, a main body; 3c, an annular seat; 4. a seal ring; 5. a screw; 6. a main cable; 7. sealing the joint.
Detailed Description
The following are specific embodiments of the present utility model and the technical solutions of the present utility model will be further described with reference to the accompanying drawings, but the present utility model is not limited to these embodiments.
Example 1
As shown in fig. 1 and 2, the sewage pump cable sheath comprises a top cover 1, an annular flange 1a is formed on the outer wall of the lower end of the top cover 1, a barrel body 2 coaxial with the top cover 1 is formed in the upper end of the top cover 1, a barrel opening of the barrel body 2 is arranged upwards, three wire through holes 2a are formed in the barrel bottom of the barrel body 2 in a penetrating manner, and inner cavities of the barrel body 2 and the top cover 1 are communicated through the wire through holes 2 a. In an actual product, three wire through holes 2a are uniformly distributed along the circumferential direction of the top cover 1; the top cover 1 and the barrel body 2 are of an integrated structure and are molded in a casting mode, so that the connection strength and the tightness of the top cover 1 and the barrel body 2 are effectively enhanced. The top cover 1 is preferably made of a heat conductive metal material, which may be a stainless steel material or an aluminum alloy material.
In particular the number of the elements,
the barrel cover 3 is detachably fixed at the upper end of the barrel body 2, a straight pipe body 3a is vertically formed at the top of the barrel cover 3, and inner cavities of the straight pipe body 3a and the barrel cover 3 are communicated. When in use, the external main cable 6 is positioned on the straight pipe body 3a through the sealing joint 7, and the main cable 6 stretches into the barrel body 2; the three coil outgoing lines of the sewage pump motor respectively enter the barrel body 2 through three wire through holes 2a and are electrically connected with the main cable 6.
The sheath includes staving 2 and the cylindric top cap 1 of coaxial setting to set up the hookup location of sewage pump motor rotor shaft upper end and sewage pump main cable 6 and motor coil lead-out wire respectively in barrel top cap 1 and staving 2, make rotor shaft and the separate heat dissipation of above-mentioned hookup location, and effectively reduce the volume that the heat of sewage pump motor upwards transmitted to staving 2, in order to effectively improve cable radiating efficiency and effect, thereby strengthen sewage pump operating stability.
Wherein,
an internal thread is arranged in the straight pipe body 3a so as to be convenient for connecting the cable sealing joint 7.
The barrel cover 3 and the barrel body 2 are connected as follows: as shown in fig. 2 and 3, the tub cover 3 includes a main body 3b having a cylindrical shape and an annular seat 3c formed on an outer wall of the main body 3b, wherein the main body 3b is coaxial with the tub body 2, and a straight tube body 3a is formed on top of the main body 3 b; the annular seat 3c is pressed on the top surface of the barrel body 2, the annular seat 3c is detachably and fixedly connected with the barrel body 2, specifically, an annular groove coaxial with the barrel body 2 is formed in the top wall of the barrel body 2, a sealing ring 4 is arranged in the annular groove, two end surfaces of the sealing ring 4 are respectively pressed on the bottom wall of the annular groove and the annular seat 3c, so that reliable sealing is formed between the annular seat 3c and the barrel body 2, and water leakage at the position is prevented. The annular seat 3c is fixedly connected with the barrel body 2 through a circle of screws 5 uniformly distributed along the circumferential direction of the top cover 1, the screws 5 are vertically arranged and are positioned outside the sealing ring 4, and the heads of the screws 5 are tightly pressed on the top surface of the annular seat 3 c. The annular seat 3c is detachably and fixedly connected with the barrel body 2 through a circle of vertically arranged screws 5, and the heads of the screws 5 are upwards arranged, so that the barrel cover 3 and the barrel body 2 are convenient to disassemble and assemble.
Further, an annular step 2b matched with the lower end of the main body 3b is formed on the inner wall of the upper end of the barrel body 2, and the lower end of the main body 3b is inserted into the annular step 2 b. The annular seat 3c is matched with the annular step 2b to limit the installation position of the barrel cover 3, so that the barrel cover 3 is installed in place at one time, and the assembly is convenient. The axial section of the annular groove is L-shaped, and the inner side surface of the sealing ring 4 is in contact sealing with the outer wall of the lower end of the main body 3b to form a zigzag sealing path, so that the sealing effect formed between the annular seat 3c and the barrel body 2 is further enhanced.
As shown in fig. 2, in this embodiment, the bottom of the barrel body 2 extends upward from the position of the via hole 2a to form a ring portion 2c, and the ring portion 2c and the via hole 2a are the same in number and in one-to-one correspondence. The ring part 2c is arranged to play a role similar to reinforcing ribs so as to strengthen the structural strength of the bottom wall of the barrel body 2.
Example two
The structure and principle of the second embodiment are basically the same as those of the first embodiment, except that: the barrel cover 3 is in threaded connection with the outside of the upper end of the barrel body 2, and sealing is formed between the barrel cover and the barrel body through an o-shaped ring.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Claims (10)
1. The utility model provides a sewage pump cable sheath, including top cap (1), the shaping has annular flange (1 a) on top cap (1) lower extreme outer wall, its characterized in that, top cap (1) upper end internal shaping have with this top cap (1) coaxial staving (2), staving (2) bung hole up sets up, runs through on the barrel head of staving (2) and is equipped with three wire hole (2 a), and both inner chamber of staving (2) and top cap (1) are through above-mentioned wire hole (2 a) intercommunication; the barrel body (2) upper end can be dismantled and be fixed with bung (3), and bung (3) top vertical shaping has straight tube body (3 a), and straight tube body (3 a) and bung (3) both inner chamber intercommunication.
2. A sewage pump cable sheath according to claim 1, wherein the barrel cover (3) comprises a cylindrical main body (3 b) and an annular seat (3 c) formed on the outer wall of the main body (3 b), the straight pipe body (3 a) is formed on the top of the main body (3 b), the annular seat (3 c) is pressed on the top surface of the barrel body (2), and the annular seat (3 c) is detachably and hermetically connected with the barrel body (2).
3. A sewage pump cable sheath according to claim 2, characterized in that the inner wall of the upper end of the barrel body (2) is provided with an annular step (2 b) matched with the lower end of the main body (3 b), and the lower end of the main body (3 b) is inserted into the annular step (2 b).
4. A sewage pump cable sheath according to claim 2 or 3, characterized in that an annular groove coaxial with the barrel body (2) is formed in the top wall of the barrel body (2), a sealing ring (4) is arranged in the annular groove, and two end faces of the sealing ring (4) are respectively pressed on the bottom wall of the annular groove and the annular seat (3 c).
5. A sewage pump cable sheath according to claim 4, characterized in that the annular groove is L-shaped in axial section, and the inner side surface of the seal ring (4) is in contact sealing with the outer side wall of the lower end of the main body (3 b).
6. The sewage pump cable sheath according to claim 4, wherein the annular seat (3 c) is fixedly connected with the barrel body (2) through a circle of screws (5) uniformly distributed along the circumference of the top cover (1), the screws (5) are vertically arranged and are positioned outside the sealing ring (4), and the heads of the screws (5) are tightly pressed on the top surface of the annular seat (3 c).
7. A sewage pump cable sheath according to claim 1, characterized in that the barrel bottom of the barrel body (2) extends upwards from the position of the wire through hole (2 a) to form a ring part (2 c), and the ring parts (2 c) and the wire through hole (2 a) are the same in number and correspond to each other in position one by one.
8. A sewage pump cable sheath according to claim 1, characterized in that the top cover (1) and the tank (2) are of unitary construction and are formed by casting.
9. A sewage pump cable sheath according to claim 1, characterized in that the straight tube body (3 a) is internally provided with internal threads.
10. A sewage pump cable sheath according to claim 2, characterized in that the cover (3) is screwed outside the upper end of the tank body (2) and a seal is formed between the cover and the tank body by an o-ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322001354.5U CN220358942U (en) | 2023-07-28 | 2023-07-28 | Sewage pump cable sheath |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322001354.5U CN220358942U (en) | 2023-07-28 | 2023-07-28 | Sewage pump cable sheath |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220358942U true CN220358942U (en) | 2024-01-16 |
Family
ID=89477847
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322001354.5U Active CN220358942U (en) | 2023-07-28 | 2023-07-28 | Sewage pump cable sheath |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220358942U (en) |
-
2023
- 2023-07-28 CN CN202322001354.5U patent/CN220358942U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |