CN217824501U

CN217824501U - Permanent magnet motor with stably-installed end cover

Info

Publication number: CN217824501U
Application number: CN202221182278.1U
Authority: CN
Inventors: 吴汉洲; 周达林; 徐健
Original assignee: Xingang Electrical Machinery Co ltd Of Yangzhou
Current assignee: Xingang Electrical Machinery Co ltd Of Yangzhou
Priority date: 2022-05-17
Filing date: 2022-05-17
Publication date: 2022-11-15
Anticipated expiration: 2032-05-17

Abstract

The utility model discloses a permanent magnet motor with a firmly installed end cover, which belongs to the technical field of permanent magnet motors, wherein a central rotating shaft hole is arranged on an end cover body, a connecting sleeve matched with a permanent magnet motor shell is arranged on the right side of the end cover body, an inner thread is arranged on the inner wall of the right side of an inner cavity of the connecting sleeve, an external thread matched with the internal thread is arranged on the left side of the outer wall of the permanent magnet motor shell, and the connecting sleeve is arranged on the left side of the permanent magnet motor shell through the matched external thread and the internal thread; can cup joint end cover body and adapter sleeve on permanent magnet motor casing earlier, then rotate end cover body and adapter sleeve, make the adapter sleeve and cup joint the setting on permanent magnet motor casing through internal thread, play the effect of preliminary connection, accomplish the back, install fixing bolt in corresponding screw hole again, can accomplish being connected of end cover body and permanent magnet motor casing, the mode of so dual connection has played the reinforced (rfd) effect, the vibrations of having avoided permanent magnet motor to produce when the function make the end cover not hard up.

Description

Permanent magnet motor with stably-installed end cover

Technical Field

The utility model relates to a permanent-magnet machine technical field specifically is a permanent-magnet machine that end cover installation is firm.

Background

Permanent magnet direct current motors can be classified into permanent magnet brushless direct current motors and permanent magnet brush direct current motors according to the presence or absence of a brush, and a permanent magnet direct current motor is a direct current motor in which a magnetic field is established by permanent magnets. The permanent magnet motor end cover is one of important parts of a permanent magnet motor and can play a role in protecting to a certain extent, but the existing permanent magnet motor end cover is not stable enough in installation, is easy to loosen after being used for a long time and does not have a certain auxiliary heat dissipation function, and therefore the permanent magnet motor with the stably installed end cover is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a permanent-magnet machine that end cover installation is firm to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above purpose, the utility model provides a following technical scheme:

the utility model provides a permanent magnet motor that end cover installation is firm, including permanent magnet motor casing, permanent magnet motor casing's left side is provided with the end cover body, be provided with central pivot hole on the end cover body, the right side of end cover body be provided with permanent magnet motor casing assorted adapter sleeve, the inner chamber right side inner wall of adapter sleeve is provided with the internal thread, permanent magnet motor casing's outer wall left side is provided with the adapter sleeve with internal thread assorted external screw thread, the adapter sleeve run through all around with permanent magnet motor casing left side and be provided with matched with screw hole, and the adapter sleeve passes through assorted screw hole and fixing bolt fixed connection permanent magnet motor casing, the inner chamber bottom of end cover body is provided with the inlet tube, the right side of inlet tube runs through the end cover body and extends the inner chamber left side bottom that sets up at permanent magnet motor casing, the one end intercommunication that the end cover body was kept away from to the inlet tube is provided with the heliciform heat exchange tube, the one end intercommunication that the heliciform heat exchange tube was kept away from to the drain tube runs through the top and communicates with the external world of end cover body.

Further: the right side of adapter sleeve is provided with the reinforcement cover, and consolidates the cover and connect the setting in permanent magnet motor casing's outside, consolidates the cover all around and be provided with assorted screw hole one with permanent magnet motor casing all around, consolidates the cover and passes through assorted screw hole one by a fixed bolt fixed connection permanent magnet motor casing.

And further: the left side of end cover body is run through all around and is provided with the louvre, and the right side of end cover body is provided with the yielding rubber packing ring with permanent magnet motor casing's laminating department.

And further: the periphery of the connecting sleeve is provided with a groove matched with the head of the fixing bolt corresponding to the position of the threaded hole, and the diameter of the groove is larger than that of the head of the fixing bolt.

Further: the end cover body and the connecting sleeve are of an integrated structure, and four groups of threaded holes are annularly formed in the connecting sleeve.

Further: the one end that the heliciform heat exchange tube was kept away from to inlet tube and drain pipe all is provided with the water pipe adapter, and all is provided with the rubber sealing plug on the water pipe adapter.

Compared with the prior art, the beneficial effects of the utility model are that:

when the permanent magnet motor is installed stably, the end cover body and the connecting sleeve can be sleeved on the permanent magnet motor shell firstly, then the end cover body and the connecting sleeve are rotated to enable the connecting sleeve to be sleeved on the permanent magnet motor shell through the internal thread threads, so that the primary connection effect is achieved, after the primary connection is completed, the fixing bolt is installed in the corresponding threaded hole, and then the connection between the end cover body and the permanent magnet motor shell can be completed, so that the double connection mode can play a reinforcing role, and the end cover is prevented from being loosened due to vibration generated when the permanent magnet motor operates; be provided with the heliciform heat exchange tube through inlet tube and drain pipe connection on the right side of end cover body, when the end cover body was installed permanent magnet motor casing on, the heliciform heat exchange tube can insert permanent magnet motor casing in, rethread inlet tube injected water can carry out the heat dissipation through the heliciform heat exchange tube to permanent magnet motor casing's inside and handle.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the structure of the end cap body of the present invention.

In the figure: 1. a permanent magnet motor housing; 2. an end cap body; 3. a central spindle bore; 4. connecting sleeves; 5. an internal thread; 6. an external thread; 7. a threaded hole; 8. fixing the bolt; 9. reinforcing the sleeve; 10. a first threaded hole; 11. fixing a first bolt; 12. a water inlet pipe; 13. a helical heat exchange tube; 14. a drain pipe; 15. and (4) radiating holes.

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 efforts all belong to the protection scope of the present invention.

Example 1:

referring to fig. 1-2, the present invention provides a technical solution: a permanent magnet motor with stably installed end covers comprises a permanent magnet motor shell 1, an end cover body 2 is arranged on the left side of the permanent magnet motor shell 1, a central rotating shaft hole 3 is formed in the end cover body 2, a connecting sleeve 4 matched with the permanent magnet motor shell 1 is arranged on the right side of the end cover body 2, when the end cover body 2 is installed on the left side of the permanent magnet motor shell 1, the connecting sleeve 4 is sleeved on the permanent magnet motor shell 1, an inner thread 5 is arranged on the inner wall of the right side of an inner cavity of the connecting sleeve 4, an outer thread 6 matched with the inner thread 5 is arranged on the left side of the outer wall of the permanent magnet motor shell 1, the connecting sleeve 4 is arranged on the left side of the permanent magnet motor shell 1 through the matched outer thread 6 and the inner thread 5, the connecting sleeve 4 can be installed and fixed on the permanent magnet motor shell 1 through the matched outer thread 6 and the inner thread 5 by rotating the end cover body 2 or directly rotating the connecting sleeve 4, thus, the preliminary fixing effect can be achieved, the periphery of the connecting sleeve 4 and the periphery of the left side of the permanent magnet motor shell 1 are provided with matched threaded holes 7 in a penetrating mode, the connecting sleeve 4 is fixedly connected with the permanent magnet motor shell 1 through the matched threaded holes 7 and the fixing bolts 8, after the preliminary installation of the end cover body 2 and the connecting sleeve 4 is completed, the end cover body 2 is aligned to the matched threaded holes 7 on the permanent magnet motor shell 1 and the connecting sleeve 4, the fixing bolts 8 are installed in the corresponding threaded holes 7, the secondary fixing effect can be achieved, the end cover body 2 can be stably and effectively installed on the permanent magnet motor shell 1 through the double fixing effect, the bottom of the inner cavity of the end cover body 2 is provided with a water inlet pipe 12, the water inlet pipe 12 can be communicated with external water supply equipment, the right side of the water inlet pipe 12 penetrates through the bottom of the end cover body 2 and is arranged at the left side of the inner cavity of the permanent magnet motor shell 1 in a extending mode, one end intercommunication that end cover body 2 was kept away from to inlet tube 12 is provided with heliciform heat exchange tube 13, water in the inlet tube 12 can flow in heliciform heat exchange tube 13, and the outer wall laminating of heliciform heat exchange tube 13 sets up the inner chamber inner wall at permanent magnet motor casing 1, heliciform heat exchange tube 13 laminates the inner chamber inner wall to permanent magnet motor casing 1, the installation that neither influences 1 inner structure of permanent magnet motor casing is set up like this, can play the radiating effect of heat transfer again, the one end intercommunication that inlet tube 12 was kept away from to heliciform heat exchange tube 13 is provided with drain pipe 14, the top and the external intercommunication of end cover body 2 are run through to the one end that helix heat exchange tube 13 was kept away from to drain pipe 14, and water in the heliciform heat exchange tube 13 can be discharged through drain pipe 14.

Wherein, preferably, the position that corresponds screw hole 7 around the adapter sleeve 4 is provided with the recess with 8 head matched with of fixing bolt, and the diameter of recess is greater than the diameter of 8 heads of fixing bolt, sets up like this and can avoid 8 heads of fixing bolt to expose in the outside of adapter sleeve 4 to influence holistic pleasing to the eye.

Preferably, the end cover body 2 and the connecting sleeve 4 are of an integrally formed structure, four groups of threaded holes 7 are annularly formed in the connecting sleeve 4, and the threaded holes 7 are formed in four directions, so that the mounting stability can be improved.

Preferably, the water inlet pipe 12 and the water outlet pipe 14 are provided with a water pipe adapter at the end far away from the spiral heat exchange pipe 13, and are conveniently connected with external equipment, and rubber sealing plugs are arranged on the water pipe adapter.

Example 2:

referring to fig. 1-2, this embodiment differs from the first embodiment in that: the right side of the connecting sleeve 4 is provided with a reinforcing sleeve 9, the reinforcing sleeve 9 is sleeved outside the permanent magnet motor shell 1, the periphery of the reinforcing sleeve 9 and the periphery of the permanent magnet motor shell 1 are provided with matched threaded holes I10, the reinforcing sleeve 9 is fixedly connected with the permanent magnet motor shell 1 through the matched threaded holes I10 by fixing bolts I11, and therefore the reinforcing function can be achieved, and the installation stability of the end cover body 2 is improved; the left side of end cover body 2 runs through all around and is provided with the louvre, plays the radiating effect of certain degree, and the right side of end cover body 2 and the laminating department of permanent magnet motor casing 1 are provided with the yielding rubber packing ring.

The electric appliances mentioned in the text all control the switch by an external power supply.

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

1. The utility model provides a permanent-magnet machine that end cover installation is firm, includes permanent-magnet machine casing (1), its characterized in that: the permanent magnet motor comprises a permanent magnet motor shell (1), wherein an end cover body (2) is arranged on the left side of the permanent magnet motor shell (1), a central rotating shaft hole (3) is formed in the end cover body (2), a connecting sleeve (4) matched with the permanent magnet motor shell (1) is arranged on the right side of the end cover body (2), an inner thread (5) is arranged on the inner wall of the right side of an inner cavity of the connecting sleeve (4), an external thread (6) matched with the internal thread (5) is arranged on the left side of the outer wall of the permanent magnet motor shell (1), the connecting sleeve (4) is arranged on the left side of the permanent magnet motor shell (1) through the matched external thread (6) and the internal thread (5), matched threaded holes (7) are arranged on the periphery of the connecting sleeve (4) and the periphery of the left side of the permanent magnet motor shell (1) in a penetrating mode, the connecting sleeve (4) is fixedly connected with the permanent magnet motor shell (1) through the matched threaded holes (7) and a fixing bolt (8), a water inlet pipe (12) is arranged at the bottom of the inner cavity of the end cover body (2), the water inlet pipe (12) is arranged on the right side of the end cover body (12) extending through the end cover body (2) and is provided with a spiral heat exchange pipe (13) attached to the inner cavity of the permanent magnet motor shell (1), the spiral heat exchange tube (13) is provided with a drain pipe (14) in a communicating mode with one end far away from the water inlet tube (12), and one end, far away from the spiral heat exchange tube (13), of the drain pipe (14) penetrates through the top of the end cover body (2) to be communicated with the outside.

2. A permanent magnet electric machine with firmly mounted end caps according to claim 1, characterized in that: the right side of adapter sleeve (4) is provided with and consolidates cover (9), and consolidates cover (9) and cup joint the outside that sets up at permanent magnet motor casing (1), consolidate cover (9) all around and permanent magnet motor casing (1) all around be provided with assorted screw hole (10), consolidate cover (9) through assorted screw hole (10) by fixing bolt (11) fixed connection permanent magnet motor casing (1).

3. The permanent magnet motor with the stably-installed end cover according to claim 1, wherein: the left side of end cover body (2) is run through all around and is provided with the louvre, the right side of end cover body (2) is provided with the yielding rubber packing ring with the laminating department of permanent magnet motor casing (1).

4. A permanent magnet electric machine with firmly mounted end caps according to claim 1, characterized in that: the periphery of the connecting sleeve (4) is provided with a groove matched with the head of the fixing bolt (8) at a position corresponding to the threaded hole (7), and the diameter of the groove is larger than that of the head of the fixing bolt (8).

5. The permanent magnet motor with the stably-installed end cover according to claim 1, wherein: the end cover body (2) and the connecting sleeve (4) are of an integrally formed structure, and four groups of threaded holes (7) are annularly formed in the connecting sleeve (4).

6. A permanent magnet electric machine with firmly mounted end caps according to claim 1, characterized in that: one end of the water inlet pipe (12) and one end of the water outlet pipe (14) far away from the spiral heat exchange pipe (13) are both provided with a water pipe adapter, and rubber sealing plugs are arranged on the water pipe adapter.