CN218335280U - Cable seal structure of water pump and use its water pump - Google Patents
Cable seal structure of water pump and use its water pump Download PDFInfo
- Publication number
- CN218335280U CN218335280U CN202222180473.7U CN202222180473U CN218335280U CN 218335280 U CN218335280 U CN 218335280U CN 202222180473 U CN202222180473 U CN 202222180473U CN 218335280 U CN218335280 U CN 218335280U
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- cable
- rear end
- water pump
- end cover
- sealing
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 238000007789 sealing Methods 0.000 claims abstract description 149
- 210000004907 gland Anatomy 0.000 claims abstract description 115
- 238000009434 installation Methods 0.000 claims description 5
- 239000011248 coating agent Substances 0.000 claims 1
- 238000000576 coating method Methods 0.000 claims 1
- 230000002411 adverse Effects 0.000 abstract description 3
- 229920006351 engineering plastic Polymers 0.000 description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 2
- 239000003292 glue Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 239000000741 silica gel Substances 0.000 description 2
- 229910002027 silica gel Inorganic materials 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Abstract
The utility model discloses a cable sealing structure of a water pump and a water pump using the same, relating to the technical field of water pumps and comprising a sealing nut and a cable sealing sleeve; the rear end cover is pulled up to form an annular cable access port; the cable gland is sleeved on the cable and penetrates into the cable access port of the rear end cover together with the cable, so that the outer wall of the cable gland abuts against the inner wall of the cable access port of the rear end cover; the sealing nut cap is disposed at the cable access port of the rear end cap and abuts against at least a portion of the cable gland, and the cable passes out of the sealing nut. The utility model mainly solves the problem of how to provide a cable sealing structure of the water pump; the cable seal structure of this kind of water pump makes the sealing performance of water pump at the cable junction obtain effective improvement, and then has improved the waterproof sealing performance of water pump, makes the water pump be suitable for and uses in adverse circumstances, has improved the life of water pump simultaneously.
Description
Technical Field
The utility model relates to a water pump technical field specifically is a cable seal structure of water pump and use its water pump.
Background
The water pump can drive liquid to flow, so that the liquid can flow from one place to another directionally, and the water pump is a mechanical device with wide application.
Due to the wide application of the water pump, a part of the water pump is in a severe working environment, for example, the water pump needs to be immersed or partially immersed in water for use, or needs to be used in a humid environment, and not only, but also a part of the water pump needs to be immersed or partially immersed in worse water quality such as sewage, rust water, acid-base water and the like for use.
The good sealing performance can guarantee that the water pump still can normal use in adverse circumstances, and can improve the life of water pump, consequently, the research to sealing performance has always been the research key in the water pump field.
The water pump uses motor drive usually, and consequently, the water pump needs the cable to insert to for the motor power supply, improve the sealing performance that the cable inserts the sealing performance that the department can effectively improve the water pump, consequently, how to provide the cable seal structure of water pump, become the problem that awaits a urgent need to be solved.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a cable seal structure of water pump can effectively improve the sealing performance of water pump in cable access point.
Another object of the utility model is to provide a water pump, its sealing performance at cable access department is good, is suitable for and uses in adverse circumstances.
In order to achieve the above object, the utility model provides a following technical scheme: a cable sealing structure of a water pump is applied to a rear end cover of the water pump and comprises a sealing nut and a cable sealing sleeve; the rear end cover is pulled up to form an annular cable access port; the cable gland is sleeved on the cable and penetrates into the cable access port of the rear end cover together with the cable, so that the outer wall of the cable gland abuts against the inner wall of the cable access port of the rear end cover; the sealing nut cap is arranged at the cable inlet of the rear end cover and is propped against at least one part of the cable sealing sleeve, and the cable penetrates out of the sealing nut.
In the technical scheme, the outer wall of the cable access port of the rear end cover is provided with external threads, the inner side of the sealing nut is provided with internal threads, and the external threads of the cable access port of the rear end cover are mutually screwed with the internal threads of the sealing nut.
In the technical scheme, the cable gland sequentially forms a first bulge part, a narrowing part and a second bulge part along the axial direction of the cable gland; a first inclined plane bayonet is formed by the protrusion of the inner wall of the cable access opening of the rear end cover; the first inclined plane bayonet of the rear end cover clamps the narrowing part of the cable sealing sleeve, so that the first protruding part is positioned on the inner side of the first inclined plane bayonet, and the second protruding part is positioned on the outer side of the first inclined plane bayonet.
In the technical scheme, the first lug boss and the second lug boss of the cable gland respectively abut against the inner side and the outer side of the first inclined plane bayonet of the rear end cover.
In the technical scheme, the cable gland further forms an inclined plane part behind the second bulge part along the axial direction of the cable gland, and the second bulge part is connected with the inclined plane part through a cliff-shaped clamping edge; the sealing nut is pulled up to form an annular second inclined plane bayonet; the end face of the second inclined plane bayonet of the sealing nut props against the clamping edge of the cable sealing sleeve.
In the above technical solution, an inner ring surface of the second inclined plane bayonet of the sealing nut abuts against the inclined plane portion of the cable sealing sleeve.
In the technical scheme, the inner wall of the cable gland protrudes to form an inner sealing ring; the inner sealing ring of the cable gland props against the outer cover of the cable.
In the technical scheme, the rear end cover is pulled up along the axial direction to form an annular installation part, and the installation part is sleeved with the sealing ring.
A water pump comprises a water pump body and a rear end cover, wherein the rear end cover is fixed on the water pump body and also comprises a sealing nut and a cable sealing sleeve; the rear end cover is pulled up to form an annular cable access port; the cable gland is sleeved on the cable and penetrates into the cable access port of the rear end cover together with the cable, so that the outer wall of the cable gland abuts against the inner wall of the cable access port of the rear end cover; the sealing nut cap is arranged at the cable inlet of the rear end cover and is abutted against at least one part of the cable sealing sleeve, and the cable penetrates out of the sealing nut cap.
Compared with the prior art, the beneficial effects of the utility model are that:
1. according to the cable sealing structure of the water pump, the cable is sleeved by the cable sealing sleeve, so that no gap exists between the cable and the cable sealing sleeve, the cable sealing sleeve abuts against the cable access port of the rear end cover, and no gap exists between the cable sealing sleeve and the cable access port of the rear end cover; the cable gland is further compressed through the sealing nut, so that the matching tightness between the cable and the cable gland and between the cable gland and the cable access port of the rear end cover are improved, and the cable gland is prevented from being separated from the cable access port of the rear end cover; therefore, the cable sealing structure of the water pump effectively improves the sealing performance of the water pump at the cable connection part, further improves the waterproof sealing performance of the water pump, enables the water pump to be suitable for being used in severe environment, and simultaneously prolongs the service life of the water pump.
2. According to the water pump, the cable is sleeved by the cable sealing sleeve, so that no gap exists between the cable and the cable sealing sleeve, the cable sealing sleeve abuts against the cable access port of the rear end cover, and no gap exists between the cable sealing sleeve and the cable access port of the rear end cover; the cable gland is further compressed through the sealing nut, so that the matching tightness between the cable and the cable gland and between the cable gland and the cable access port of the rear end cover are improved, and the cable gland is prevented from being separated from the cable access port of the rear end cover; therefore, the sealing performance of the water pump at the cable connection part is effectively improved, the waterproof sealing performance of the water pump is further improved, the water pump is suitable for being used in severe environment, and meanwhile the service life of the water pump is prolonged.
Drawings
Fig. 1 is a perspective view of a first embodiment of the present invention.
Fig. 2 is an exploded view of a first embodiment of the present invention.
Fig. 3 is a cross-sectional view of a first embodiment of the present invention.
Fig. 4 is a perspective view of a second embodiment of the present invention.
The reference signs are: 1. a rear end cap; 11. a cable access port; 12. an external thread; 13. a first inclined plane bayonet; 14. an installation part; 15. a seal ring; 2. a sealing nut; 21. an internal thread; 22. a second inclined plane bayonet; 3. a cable gland; 31. a first boss portion; 32. a narrowing portion; 33. a second boss; 34. clamping edges; 35. an inclined plane part; 36. an inner seal ring; 4. a cable; 5. the water pump body.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
The first embodiment is as follows:
referring to fig. 1 to 3, the present embodiment provides a cable sealing structure of a water pump, which is applied to a rear end cover 1 of the water pump.
The rear end cover 1 is an integrally formed engineering plastic or metal cover body and is used as an external structural component of the water pump; the cable 4 comprises a power supply line and a signal line of the motor of the water pump, and the power supply line and the signal line are integrated and coated on the same outer cover to form an integrated cable which is used for providing necessary electric energy and signal transmission for the motor of the water pump.
The cable sealing structure of the water pump comprises a sealing nut 2 and a cable sealing sleeve 3; wherein, sealing nut 2 is integrated into one piece's engineering plastics or metal material block, and cable seal cover 3 is then integrated into one piece's rubber or silica gel material ring cover, and cable seal cover 3 has elasticity.
The cable gland 3 is sleeved on the cable 4 and penetrates into the cable access port 11 of the rear end cover 1 together with the cable 4, so that the outer wall of the cable gland 3 is abutted against the inner wall of the cable access port 11 of the rear end cover 1; at this moment, the cable 4 and the cable gland 3 are in interference fit, so that no gap exists between the cable 4 and the cable gland 3, the cable gland 3 is also in interference fit with the cable access port 11 of the rear end cover 1, and no gap exists between the cable gland 3 and the cable access port 11 of the rear end cover 1.
The sealing nut 2 is covered at the cable access port 11 of the rear end cover 1 and is propped against at least one part of the cable sealing sleeve 3, and the cable 4 penetrates out of the sealing nut 2; through sealing nut 2, further compress cable gland 3, improved between cable 4 and the cable gland 3 to and the cable gland 3 and the cable of rear end cap 1 insert the degree of closeness of cooperation between the mouth 11, and avoided cable gland 3 to deviate from in the cable of rear end cap 1 inserts mouth 11.
According to the cable sealing structure of the water pump, the cable 4 is sleeved by the cable sealing sleeve 3, so that no gap exists between the cable 4 and the cable sealing sleeve 3, the cable sealing sleeve 3 is abutted against the cable access port 11 of the rear end cover 1, and no gap exists between the cable sealing sleeve 3 and the cable access port 11 of the rear end cover 1; the cable gland 3 is further compressed through the sealing nut 2, so that the matching tightness between the cable 4 and the cable gland 3 and between the cable gland 3 and the cable access port 11 of the rear end cover 1 is improved, and the cable gland 3 is prevented from being separated from the cable access port 11 of the rear end cover 1; therefore, the cable sealing structure of the water pump effectively improves the sealing performance of the water pump at the cable 4 access position, further improves the waterproof sealing performance of the water pump, enables the water pump to be suitable for being used in severe environment, and simultaneously prolongs the service life of the water pump.
Specifically, the outer wall of the cable inlet 11 of the rear end cap 1 is provided with an external thread 12, the inner side of the sealing nut 2 is provided with an internal thread 21, and the external thread 12 of the cable inlet 11 of the rear end cap 1 is screwed with the internal thread 21 of the sealing nut 2.
Further, the cable gland 3 sequentially forms a first convex portion 31, a narrowed portion 32 and a second convex portion 33 along the axial direction thereof, and the connecting portion of the first convex portion 31 and the narrowed portion 32 and the connecting portion of the narrowed portion 32 and the second convex portion 33 are both inclined planes; the inner wall of the cable inlet 11 of the rear end cover 1 is protruded to form a first inclined plane bayonet 13, both sides of the first inclined plane bayonet 13 are inclined planes, and the inner annular surface is an arched part; the first inclined plane bayonet 13 of the rear end cover 1 clamps the narrowing part 32 of the cable gland 3, so that the first boss 31 is positioned at the inner side of the first inclined plane bayonet 13, and the second boss 33 is positioned at the outer side of the first inclined plane bayonet 13, namely, the inner ring surface of the first inclined plane bayonet 13 is propped against the narrowing part 32 of the cable gland 3; the narrowing portion 32 of the cable gland 3 is clamped through the first inclined surface bayonet 13 of the rear end cover 1, so that the waterproof sealing performance between the rear end cover 1 and the cable gland 3 is further improved, the connection strength between the rear end cover 1 and the cable gland 3 is improved, and the cable gland 3 is more difficult to separate from the cable access port 11 of the rear end cover 1.
Further, the first boss 31 and the second boss 33 of the cable gland 3 respectively abut against the inner side and the outer side of the first inclined bayonet 13 of the rear end cover 1; after the cable gland 3 is compressed by the sealing nut 2, the second convex part 33 of the cable gland 3 is pressed outside the first inclined plane bayonet 13 of the rear end cover 1, so that the waterproof sealing performance between the rear end cover 1 and the cable gland 3 is further improved.
Specifically, the cable gland 3 further forms an inclined surface portion 35 behind the second convex portion 33 along the axial direction thereof, and the second convex portion 33 and the inclined surface portion 35 are connected by a cliff-shaped clamping edge 34; the sealing nut 2 is pulled up to form an annular second inclined surface bayonet 22, the section of the second inclined surface bayonet 22 is in a hook shape facing the inner side of the sealing nut 2, and the second inclined surface bayonet 22 and the sealing nut 2 are integrally formed; the end surface of the second inclined surface bayonet 22 of the sealing nut 2 is propped against the clamping edge 34 of the cable sealing sleeve 3; in this way, the sealing nut 2 is enabled to compress the cable gland 3, and the cable gland 3 can be prevented from coming out of the cable access 11 of the rear end cap 1.
Further, the inner ring surface of the second inclined surface bayonet 22 of the sealing nut 2 is abutted against the inclined surface part 35 of the cable gland 3, at the moment, the second inclined surface bayonet 22 of the sealing nut 2 is in interference fit with the cable gland 3, no gap exists between the sealing nut 2 and the cable gland 3, and therefore the sealing performance between the sealing nut 2 and the cable gland 3 can be obtained.
Further, an inner sealing ring 36 is formed by the inner wall of the cable gland 3 in a protruding mode, and the inner sealing ring 36 and the cable gland 3 are molded in an integrated glue injection mode; the inner sealing ring 36 of the cable gland 3 props against the outer cover of the cable 4, at the moment, the inner sealing ring 36 of the cable gland 3 can extrude the outer cover of the cable 4, the waterproof sealing performance between the cable 4 and the cable gland 3 is further improved, meanwhile, the connection strength between the cable 4 and the cable gland 3 is improved, and the cable 4 is not easy to pull out.
Further, the rear end cover 1 is pulled up along the axial direction to form an annular mounting part 14, and the mounting part 14 is integrally formed with the rear end cover 1 and used for mounting the rear end cover 1 on the water pump; the mounting portion 14 is sleeved with a sealing ring 15 to improve the waterproof sealing degree between the rear end cover 1 and the water pump.
Example two:
referring to fig. 4, the embodiment provides a water pump, which includes a water pump body and a rear end cover 1, where the rear end cover 1 is fixed on the water pump body.
Specifically, the rear end cover 1 is pulled up along the axial direction to form an annular mounting part 14, the mounting part 14 and the rear end cover 1 are integrally formed, the mounting part 14 of the rear end cover 1 is connected with the water pump body through a buckle, and the rear end cover 1 is fixed on the water pump body; the mounting portion 14 is sleeved with a sealing ring 15 to improve the waterproof sealing degree between the rear end cover 1 and the water pump.
The rear end cover 1 is an integrally formed engineering plastic or metal cover body and is used as an outer structural part of the water pump; the cable 4 of the water pump comprises a power supply wire and a signal wire of the motor of the water pump, and the power supply wire and the signal wire are integrated and coated on the same outer cover to form an integrated cable which is used for providing necessary electric energy and signal transmission for the motor in the body of the water pump.
The water pump also comprises a sealing nut 2 and a cable sealing sleeve 3; wherein, sealing nut 2 is integrated into one piece's engineering plastics or metal material block, and cable seal cover 3 is then integrated into one piece's rubber or silica gel material ring cover, and cable seal cover 3 has elasticity.
The cable gland 3 is sleeved on the cable 4 and penetrates into the cable access port 11 of the rear end cover 1 together with the cable 4, so that the outer wall of the cable gland 3 is abutted against the inner wall of the cable access port 11 of the rear end cover 1; at the moment, the cable 4 is in interference fit with the cable gland 3, so that no gap exists between the cable 4 and the cable gland 3, the cable gland 3 is also in interference fit with the cable access port 11 of the rear end cover 1, and no gap exists between the cable gland 3 and the cable access port 11 of the rear end cover 1.
The sealing nut 2 is covered at the cable access port 11 of the rear end cover 1 and is propped against at least one part of the cable sealing sleeve 3, and the cable 4 penetrates out of the sealing nut 2; through sealing nut 2, further compress cable gland 3, improved between cable 4 and the cable gland 3 to and the cable gland 3 and the cable of rear end cap 1 insert the inseparable degree of cooperation between the mouth 11, and avoided cable gland 3 to deviate from the cable of rear end cap 1 inserts mouthful 11.
According to the water pump, the cable 4 is sleeved by the cable gland 3, so that no gap exists between the cable 4 and the cable gland 3, the cable gland 3 abuts against the cable access port 11 of the rear end cover 1, and no gap exists between the cable gland 3 and the cable access port 11 of the rear end cover 1; the cable gland 3 is further compressed through the sealing nut 2, so that the matching tightness between the cable 4 and the cable gland 3 and between the cable gland 3 and the cable access port 11 of the rear end cover 1 is improved, and the cable gland 3 is prevented from being separated from the cable access port 11 of the rear end cover 1; therefore, the cable sealing structure of the water pump effectively improves the sealing performance of the water pump at the cable connection part, further improves the waterproof sealing performance of the water pump, enables the water pump to be suitable for being used in severe environment, and simultaneously prolongs the service life of the water pump.
Specifically, the outer wall of the cable inlet 11 of the rear end cap 1 is provided with an external thread 12, the inner side of the sealing nut 2 is provided with an internal thread 21, and the external thread 12 of the cable inlet 11 of the rear end cap 1 is screwed with the internal thread 21 of the sealing nut 2.
Further, the cable gland 3 sequentially forms a first convex portion 31, a narrowed portion 32 and a second convex portion 33 along the axial direction thereof, and the connecting portion of the first convex portion 31 and the narrowed portion 32 and the connecting portion of the narrowed portion 32 and the second convex portion 33 are both inclined planes; the inner wall of the cable inlet 11 of the rear end cover 1 is protruded to form a first inclined bayonet 13, both sides of the first inclined bayonet 13 are inclined planes, and the inner annular surface is an arched part; the first inclined plane bayonet 13 of the rear end cover 1 clamps the narrowing part 32 of the cable gland 3, so that the first boss 31 is positioned at the inner side of the first inclined plane bayonet 13, and the second boss 33 is positioned at the outer side of the first inclined plane bayonet 13, namely, the inner ring surface of the first inclined plane bayonet 13 is propped against the narrowing part 32 of the cable gland 3; the narrowing portion 32 of the cable gland 3 is clamped through the first inclined surface bayonet 13 of the rear end cover 1, so that the waterproof sealing performance between the rear end cover 1 and the cable gland 3 is further improved, the connection strength between the rear end cover 1 and the cable gland 3 is improved, and the cable gland 3 is more difficult to separate from the cable access port 11 of the rear end cover 1.
Further, the first boss 31 and the second boss 33 of the cable gland 3 respectively abut against the inner side and the outer side of the first inclined bayonet 13 of the rear end cover 1; after the cable gland 3 is compressed by the sealing nut 2, the second convex part 33 of the cable gland 3 is pressed outside the first inclined plane bayonet 13 of the rear end cover 1, so that the waterproof sealing performance between the rear end cover 1 and the cable gland 3 is further improved.
Specifically, the cable gland 3 further forms an inclined surface portion 35 behind the second protruding portion 33 along the axial direction of the cable gland, and the second protruding portion 33 and the inclined surface portion 35 are connected through a cliff-shaped clamping edge 34; the sealing nut 2 is pulled up to form an annular second inclined surface bayonet 22, the section of the second inclined surface bayonet 22 is in a hook shape facing the inner side of the sealing nut 2, and the second inclined surface bayonet 22 and the sealing nut 2 are integrally formed; the end surface of the second inclined surface bayonet 22 of the sealing nut 2 is propped against the clamping edge 34 of the cable sealing sleeve 3; in this way, the sealing nut 2 is enabled to compress the cable gland 3, and the cable gland 3 can be prevented from coming out of the cable access 11 of the rear end cap 1.
Further, the inner ring surface of the second inclined surface bayonet 22 of the sealing nut 2 is abutted against the inclined surface part 35 of the cable gland 3, at the moment, the second inclined surface bayonet 22 of the sealing nut 2 is in interference fit with the cable gland 3, no gap exists between the sealing nut 2 and the cable gland 3, and therefore the sealing performance between the sealing nut 2 and the cable gland 3 can be obtained.
Further, the inner wall of the cable gland 3 is protruded to form an inner sealing ring 36, and the inner sealing ring 36 and the cable gland 3 are molded integrally by glue injection; the inner sealing ring 36 of the cable gland 3 is abutted against the outer cape of the cable 4, at this time, the inner sealing ring 36 of the cable gland 3 can extrude the outer cape of the cable 4, the waterproof sealing performance between the cable 4 and the cable gland 3 is further improved, meanwhile, the connection strength between the cable 4 and the cable gland 3 is improved, and the cable 4 is not easy to pull out.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (9)
1. A cable sealing structure of a water pump is applied to a rear end cover of the water pump and is characterized by comprising a sealing nut and a cable sealing sleeve;
the rear end cover is pulled up to form an annular cable access port;
the cable gland is sleeved on the cable and penetrates into the cable access port of the rear end cover together with the cable, so that the outer wall of the cable gland abuts against the inner wall of the cable access port of the rear end cover;
the sealing nut cap is arranged at the cable inlet of the rear end cover and is propped against at least one part of the cable sealing sleeve, and the cable penetrates out of the sealing nut.
2. The cable seal structure of a water pump according to claim 1, characterized in that: the outer wall of the cable access opening of the rear end cover is provided with external threads, the inner side of the sealing nut is provided with internal threads, and the external threads of the cable access opening of the rear end cover are screwed with the internal threads of the sealing nut.
3. The cable seal structure of a water pump according to claim 1, characterized in that: the cable gland is sequentially provided with a first bulge part, a narrowing part and a second bulge part along the axial direction of the cable gland;
the inner wall of the cable access opening of the rear end cover is protruded to form a first inclined plane bayonet;
the first inclined plane bayonet of the rear end cover clamps the narrowing part of the cable sealing sleeve, so that the first protruding part is positioned on the inner side of the first inclined plane bayonet, and the second protruding part is positioned on the outer side of the first inclined plane bayonet.
4. The cable seal structure of a water pump according to claim 3, characterized in that: and the first lug boss and the second lug boss of the cable gland are respectively propped against the inner side and the outer side of the first inclined plane bayonet of the rear end cover.
5. The cable sealing structure of a water pump according to claim 3 or 4, characterized in that: the cable gland further forms an inclined plane part behind the second bulge part along the axial direction of the cable gland, and the second bulge part is connected with the inclined plane part through a cliff-shaped clamping edge;
the sealing nut is pulled up to form an annular second inclined plane bayonet;
the end face of the second inclined plane bayonet of the sealing nut props against the clamping edge of the cable sealing sleeve.
6. The cable seal structure of a water pump according to claim 5, characterized in that: the inner ring surface of the second inclined plane bayonet of the sealing nut is propped against the inclined plane part of the cable sealing sleeve.
7. The cable seal structure of a water pump according to claim 1, characterized in that: the inner wall of the cable gland protrudes to form an inner sealing ring;
the inner sealing ring of the cable gland butts against the outer coating of the cable.
8. The cable seal structure of a water pump according to claim 1, characterized in that: the rear end cover is pulled up along the axial direction to form an annular installation part, and a sealing ring is sleeved on the installation part.
9. A water pump comprises a water pump body and a rear end cover, wherein the rear end cover is fixed on the water pump body;
the rear end cover is pulled up to form an annular cable access port;
the cable gland is sleeved on the cable and penetrates into the cable access port of the rear end cover together with the cable, so that the outer wall of the cable gland abuts against the inner wall of the cable access port of the rear end cover;
the sealing nut cap is arranged at the cable inlet of the rear end cover and is propped against at least one part of the cable sealing sleeve, and the cable penetrates out of the sealing nut.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180473.7U CN218335280U (en) | 2022-08-18 | 2022-08-18 | Cable seal structure of water pump and use its water pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222180473.7U CN218335280U (en) | 2022-08-18 | 2022-08-18 | Cable seal structure of water pump and use its water pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218335280U true CN218335280U (en) | 2023-01-17 |
Family
ID=84884849
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222180473.7U Active CN218335280U (en) | 2022-08-18 | 2022-08-18 | Cable seal structure of water pump and use its water pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218335280U (en) |
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2022
- 2022-08-18 CN CN202222180473.7U patent/CN218335280U/en active Active
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| CP03 | Change of name, title or address | ||
| CP03 | Change of name, title or address |
Address after: No. 30 Dapu Industrial Street, Changping Town, Dongguan City, Guangdong Province, 523000 Patentee after: Guangdong Shenpeng Technology Co.,Ltd. Country or region after: China Address before: 523000 Gangzi Dapu Industrial Zone, Changping Town, Dongguan City, Guangdong Province Patentee before: DONGGUAN SHENPENG ELECTRONICS Co.,Ltd. Country or region before: China |