Motor

Abstract

The utility model relates to the technical field of motors, and discloses a motor which comprises a base, a sealing element, an inner pipe and an outer pipe, and due to the fact that the inner pipe is added, noise can be reduced. The sealing element is arranged at the sealing part between the base and the inner pipe as well as the outer pipe, and the original glue sealing between the base and the inner pipe as well as the outer pipe is improved into sealing ring sealing, so that the waterproof performance of the motor is improved, manual gluing sealing is not needed any more, and the motor is more convenient and quicker.

Description

Technical Field

[0001] The utility model relates to the technical field of motors, in particular to a motor. Background Art

[0002] Existing electric curtains, electric awnings, etc. all require motors with waterproof functions.

[0003] In the prior art, the motor with waterproof function is often sealed at the gap of the motor with glue, but the sealing effect is not good, and water easily penetrates into the motor, causing damage to the motor. In addition, it is troublesome for workers to operate the gap with glue.

[0004] It can be seen that whether it is possible to provide an improved motor based on the deficiencies in the prior art has become a technical problem that needs to be urgently solved by those skilled in the art. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a motor in order to overcome the defects in the prior art.

[0006] The utility model solves the above technical problems through the following technical solutions:

[0007] A motor, comprising:

[0008] External pipe;

[0009] An inner tube, sleeved inside the outer tube;

[0010] A base connected to the outer tube;

[0011] A sealing member is sleeved between the base and the outer tube and / or between the base and the inner tube.

[0012] Preferably, the sealing member comprises:

[0013] A first sealing ring and / or a second sealing ring, wherein the first sealing ring is sleeved between the base and the outer tube;

[0014] The second sealing ring is sleeved between the base and the inner tube.

[0015] Preferably, a first annular mounting groove is provided on the outer tube or the base.

[0016] Preferably, an annular second mounting groove is provided on the inner tube or the base.

[0017] Preferably, it also includes:

[0018] an end cap connected to the outer tube;

[0019] The third sealing ring is sleeved between the end cover and the outer tube.

[0020] Preferably, an annular third mounting groove is provided on the end cover or the outer tube.

[0021] Preferably, it also includes:

[0022] a reducer housing, at least partially mounted within the inner tube;

[0023] The fourth sealing ring is sleeved between the reducer housing and the inner tube.

[0024] Preferably, a fourth annular mounting groove is provided on the reducer housing or the inner tube.

[0025] Preferably, a first step is formed inside the outer tube or outside the base, a second step is formed inside the outer tube or outside the reducer housing, one end of the inner tube extends into the first step, and the other end of the inner tube extends into the second step.

[0026] Preferably, the motor further comprises a lead wire and a rubber plug, and the base is provided with a channel for the lead wire to pass through; the rubber plug is filled between the lead wire and the inside of the base.

[0027] On the basis of conforming to the common sense in the art, the above-mentioned preferred conditions can be arbitrarily combined to obtain the preferred embodiments of the present utility model.

[0028] The positive progressive effect of the utility model is that the motor of the utility model includes a base, a seal, an inner tube and an outer tube. Due to the addition of the inner tube, noise can be reduced. The seal is arranged at the sealing part between the base and the inner tube and the outer tube. The original glue seal between the base and the inner tube and the outer tube is improved to a sealing ring seal, which not only improves the waterproof performance of the motor, but also eliminates the need for manual glue sealing, which is more convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a cross-sectional view of a motor according to a preferred embodiment of the present utility model.

[0030] Figure 2 It is a three-dimensional structural diagram of the base of the preferred embodiment of the utility model.

[0031] Figure 3 for Figure 1 Enlarged view of point A in the middle.

[0032] Figure 4 for Figure 1 Enlarged view of point B in the middle.

[0033] Figure 5 for Figure 1 Enlarged view of point C in the middle.

[0034] Description of reference numerals:

[0035] Base 1

[0036] Plug head 11

[0037] First connection portion 12

[0038] First installation groove 121

[0039] The second connection portion 13

[0040] The second installation groove 131

[0041] First sealing ring 2

[0042] Inner tube 3

[0043] Outer tube 4

[0044] Second sealing ring 5

[0045] End cap 6

[0046] Blocking part 61

[0047] The third connection portion 62

[0048] The third installation slot 621

[0049] Rubber ring 63

[0050] Reducer housing 7

[0051] Fourth mounting slot 71

[0052] Fourth sealing ring 8

[0053] Lead 9

[0054] Rubber stopper 10

[0055] Connectors 101

[0056] The third sealing ring 102 DETAILED DESCRIPTION

[0057] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The following description of at least one exemplary embodiment is actually only illustrative and is by no means a limitation on the utility model and its application or use. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0058] It should be noted that in the claims and description of this patent, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the sentence "including one" do not exclude the existence of other identical elements in the process, method, article or device including the elements.

[0059] like Figure 1-Figure 5 As shown, this embodiment discloses a motor, which includes a base 1, a seal, an inner tube 3 and an outer tube 4.

[0060] In this embodiment, the motor is a tubular motor, the inner tube 3 and the outer tube 4 are hollow tubular structures, and the base 1 and the seal have circular features that can adapt to the tubular structure, but are not limited thereto. With the above structural form, the motor is provided with an outer tube 4 and an inner tube 3, and the outer tube 4 is sleeved outside the inner tube 3, which can improve the waterproof performance of the motor.

[0061] The base 1 is connected to the outer tube 4, the inner tube 3 is sleeved in the outer tube 4, and the sealing member is sleeved between the base 1 and the outer tube 4. The sealing member is arranged between the base 1 and the outer tube 4 to increase the sealing between the base 1 and the outer tube 4.

[0062] Alternatively, the sealing member is sleeved between the base 1 and the inner tube 3 , and the sealing performance between the base 1 and the inner tube 3 is increased by setting the sealing member between the base 1 and the inner tube 3 .

[0063] Alternatively, the sealing member is sleeved between the base 1 and the outer tube 4 and between the base 1 and the inner tube 3, and the sealing between the base 1 and the outer tube 4 and between the base 1 and the inner tube 3 is increased. Preferably, the sealing member is sleeved between the base 1 and the outer tube 4 and between the base 1 and the inner tube 3, and the sealing effect is best.

[0064] like Figure 2 As shown, in this embodiment, the base 1 is an integrated structure, which includes an integrally formed plugging portion 11, a first connecting portion 12 and a second connecting portion 13 which are sequentially connected and coaxially arranged.

[0065] In this embodiment, the integrated base 1 can not only enhance its sealing performance but also improve its structural strength. The beneficial effect of the coaxial arrangement of the plug 11, the first connecting portion 12 and the second connecting portion 13 is that it can be easily processed.

[0066] The outer diameter of the plugging part 11 of this embodiment is greater than the outer diameter of the first connecting part 12, that is, the plugging part 11 has a fourth step at the connection between it and the first connecting part 12, and the outer diameter of the first connecting part 12 is greater than the outer diameter of the second connecting part 13, that is, the first connecting part 12 has a first step at the connection between it and the second connecting part 13.

[0067] The inner tube 3 is sleeved on the second connecting portion 13, and one end of the inner tube 3 ( Figure 1 The lower end of the inner tube 3 is connected to the first step.

[0068] In this embodiment, the beneficial technical effect of adopting the above structural form is that it can save space.

[0069] The outer tube 4 is sleeved on the inner tube 3 and the first connecting portion 12, and one end of the outer tube 4 ( Figure 1 The lower end of the outer tube 4 is connected to the plugging part 11, that is, the lower end of the outer tube 4 is connected to the fourth step, and the outer tube 4 squeezes the sealing member to maintain elastic contact with the sealing member.

[0070] In this embodiment, the inner tube 3 is sleeved on the base 1 through the base 1, and the outer tube 4 is sleeved on the base 1 and the inner tube 3, so that the outer tube 4 and the inner tube 3 can be more fitted with the base 1, and the cooperation between the inner tube 3 and the base 1, and the cooperation between the outer tube 4 and the base 1 are more close, and the gap is reduced, thereby further improving the waterproof performance of the motor.

[0071] The positive improvement effect of this embodiment is that: since the motor of this embodiment has an inner tube added, the original glue seal between the base and the inner tube and the outer tube is improved to a sealing ring seal, which not only improves the waterproof performance of the motor, but also eliminates the need for manual glue sealing, which is more convenient and quick; the provision of the inner tube can also reduce noise.

[0072] Specifically, in this embodiment, the sealing member includes a first sealing ring 2 and / or a second sealing ring 5 . The first sealing ring 2 is arranged between the base 1 and the outer tube 4 , and the second sealing ring 5 is arranged between the base 1 and the inner tube 3 .

[0073] When there is only the first sealing ring 2, the sealing performance between the base 1 and the outer tube 4 can be improved; when there is only the second sealing ring 5, the sealing performance between the base 1 and the inner tube 3 can be improved; when the first sealing ring 2 and the second sealing ring 5 are provided at the same time, the sealing performance between the base 1 and the inner tube 3 and the outer tube 4 can be improved. Preferably, the first sealing ring 2 and the second sealing ring 5 are provided at the same time, and the sealing effect between the base 1 and the inner tube 3 and the outer tube 4 is the best.

[0074] Specifically, Figure 1 and Figure 3As shown, an annular first installation groove 121 is provided on the outer tube 4 or the base 1 .

[0075] An annular first mounting groove 121 is formed on the first connecting portion 12 on the base 1 . In other embodiments, the first mounting groove 121 may also be formed on the outer tube 4 .

[0076] Providing the first installation groove 121 at any of the above positions can facilitate the installation and positioning of the first sealing ring 2. The first sealing ring 2 is annular and made of elastic material, and is installed in the first installation groove 121.

[0077] In this embodiment, the extension direction of the first installation groove 121 is the same as the circumference of the first connection portion 12 , but in other alternative embodiments, the extension direction of the first installation groove 121 may also have a certain angle with the circumference of the first connection portion 12 .

[0078] Specifically, Figure 1 and Figure 3 As shown, an annular second installation groove 131 is provided on the inner tube 3 or the base 1 .

[0079] An annular second mounting groove 131 is provided on the second connecting portion 13 . In other embodiments, the second mounting groove 131 may also be provided on the inner tube 3 . Providing the second mounting groove 131 at any of the above positions can facilitate the installation and positioning of the second sealing ring 5 .

[0080] The second sealing ring 5 is annular and made of elastic material. A portion of the second sealing ring 5 is installed in the second installation groove 131 in a protruding manner. The inner tube 3 presses the second sealing ring 5 so as to maintain elastic contact with the second sealing ring 5 .

[0081] The extension direction of the second installation groove 131 is the same as the circumferential direction of the second connection portion 13 . However, in other alternative embodiments, the extension direction of the second installation groove 131 may also have a certain angle with the circumferential direction of the second connection portion 13 .

[0082] In this embodiment, the second sealing ring 5 is provided between the inner tube 3 and the second connecting portion 13 of the base 1 to enhance the sealing between the inner tube 3 and the second connecting portion 13 of the base 1, thereby enhancing the waterproof performance of the motor.

[0083] Specifically, Figure 1 , Figure 4 and Figure 5 As shown, the motor of this embodiment further includes an end cover 6 connected to the outer tube 4 , and a third sealing ring 102 is sleeved between the end cover 6 and the outer tube 4 .

[0084] In this embodiment, the end cover 6 includes a rubber ring 63, a sealing portion 61 and a third connecting portion 62. The sealing portion 61 and the third connecting portion 62 are an integral structure. The beneficial effect of the integral molding is that the structural strength and sealing performance of the end cover can be improved.

[0085] The outer diameter of the blocking portion 61 is greater than the outer diameter of the third connecting portion 62 , and the blocking portion 61 has a third step at a connection between the blocking portion 61 and the third connecting portion 62 .

[0086] Specifically, an annular third installation groove 621 is provided on the third connecting portion 62 . In other embodiments, the third installation groove 621 may also be provided on the outer tube 4 . Providing the third installation groove 62 at any of the above positions can facilitate the installation and positioning of the third sealing ring 102 .

[0087] The extension direction of the third mounting groove 621 is the same as the circumferential direction of the third connecting portion 62 . However, in other alternative embodiments, the extension direction of the third mounting groove 621 may also have a certain angle with the circumferential direction of the third connecting portion 62 .

[0088] The third sealing ring 102 is annular and made of elastic material, and is partially protrudingly installed in the third installation groove 621 .

[0089] like Figure 4 As shown, the outer tube 4 is sleeved on the outer side wall of the third connecting portion 62, and the other end of the outer tube 4 ( Figure 1 The upper end of the outer tube 4 is connected to the third step of the sealing portion 61, and the outer tube 4 squeezes the third sealing ring 102 to maintain elastic contact with the third sealing ring 102.

[0090] In this embodiment, a third sealing ring 102 is provided between the outer tube 4 and the third connecting portion 62 of the end cover 6, which can enhance the sealing between the outer tube 4 and the end cover 6, thereby further enhancing the waterproof performance of the motor.

[0091] Specifically, Figure 5 As shown, the motor of this embodiment further includes a reducer housing 7 and a fourth sealing ring 8 , and the housing 7 is at least partially installed in the inner tube 3 .

[0092] The fourth sealing ring 8 is sleeved between the reducer housing 7 and the inner tube 3 .

[0093] Part of the reducer housing 7 is installed in the inner tube 3 and connected to the inner tube 3 , and another part is exposed to the outside of the inner tube 3 and connected to the inner wall of the outer tube 4 .

[0094] The reducer housing 7 can also be completely installed in the inner tube 3 and connected to the inner tube 3, which can better reduce noise.

[0095] Preferably, the reducer housing 7 is completely installed in the inner tube 3 and connected to the inner tube 3 .

[0096] Specifically, an annular fourth mounting groove 71 is provided on the reducer housing 7. In other embodiments, the fourth mounting groove 71 may also be provided on the inner tube 3. Providing the fourth mounting groove 71 at any of the above positions can facilitate the installation and positioning of the fourth sealing ring 8.

[0097] Similarly, the extension direction of the fourth mounting groove 71 is the same as the circumference of the reducer housing 7 , but in other alternative embodiments, the extension direction of the fourth mounting groove 71 may also have a certain angle with the circumference of the reducer housing 7 .

[0098] The fourth sealing ring 8 is annular and made of elastic material, and is installed in the fourth installation groove 71 in a partially protruding manner.

[0099] The inner tube 3 is sleeved on the reducer housing 7, and the other end of the inner tube 3 ( Figure 1 The upper end of the inner tube 3 is connected to the reducer housing 7, and the inner tube 3 squeezes the fourth sealing ring 8 to elastically contact with the fourth sealing ring 8.

[0100] In this embodiment, a fourth sealing ring 8 is provided between the inner tube 3 and the reducer housing 7 , which can enhance the sealing between the inner tube 3 and the reducer housing 7 .

[0101] Specifically, a first step is formed inside the outer tube 4 or outside the base 1, and a second step is formed inside the outer tube 4 or outside the reducer housing 7. One end of the inner tube 3 extends into the first step, and the other end of the inner tube 3 extends into the second step. The provision of the first step and the second step can save space.

[0102] Forming a first step inside the outer tube 4 can save space, or forming a first step on the base 1 can also have the same effect of saving space. Preferably, the first step is formed outside the base 1.

[0103] A second step formed inside the outer tube 4 can save space, and a second step formed outside the reducer housing 7 can also save space. Preferably, a second step is formed outside the reducer housing 7 .

[0104] Specifically, Figure 1 and Figure 4 As shown, the motor further includes a lead wire 9 and a rubber plug 10 . The base 1 is provided with a channel for the lead wire 9 to pass through; the rubber plug 10 is filled between the lead wire 9 and the inside of the base 1 .

[0105] In this embodiment, the above-mentioned structural form is adopted to improve the sealing performance at the lead wire 9.

[0106] In addition, a through hole is provided on the rubber ring 63, and the motor further comprises a connecting member 101, which passes through the through hole of the rubber ring 63, so as to facilitate the connection of the motor with other devices while ensuring the sealing performance.

[0107] More specifically, the structures inside the motor inner tube 3 of this embodiment are a reducer and a motor from top to bottom, thereby reducing the noise generated by the motor during operation.

[0108] The motor of this embodiment includes a base, a seal, an inner tube and an outer tube. Due to the addition of the inner tube, noise can be reduced. The seal is arranged at the sealing position between the base and the inner tube and the outer tube. The original glue seal between the base and the inner tube and the outer tube is improved to a sealing ring seal, which not only improves the waterproof performance of the motor, but also eliminates the need for manual glue sealing, which is more convenient and quick.

Claims

1. A motor, characterized in that: include: Outer tube (4); An inner tube (3) is sleeved inside the outer tube (4); A base (1) connected to the outer tube (4); A sealing member is sleeved between the base (1) and the outer tube (4) and / or between the base (1) and the inner tube (3).

2. The motor according to claim 1, characterized in that The sealing element comprises: a first sealing ring (2) and / or a second sealing ring (5), wherein the first sealing ring (2) is sleeved between the base (1) and the outer tube (4); The second sealing ring (5) is sleeved between the base (1) and the inner tube (3).

3. The motor according to claim 2, characterized in that An annular first installation groove (121) is provided on the outer tube (4) or the base (1).

4. The motor according to claim 2, characterized in that An annular second installation groove (131) is provided on the inner tube (3) or the base (1).

5. The motor according to any one of claims 1 to 4, characterized in that: Also includes: An end cover (6) connected to the outer tube (4); The third sealing ring (102) is sleeved between the end cover (6) and the outer tube (4).

6. The motor according to claim 5, characterized in that An annular third installation groove (621) is provided on the end cover (6) or the outer tube (4).

7. The motor according to any one of claims 1 to 4, characterized in that: Also includes: A reducer housing (7) is at least partially mounted inside the inner tube (3); A fourth sealing ring (8) is sleeved between the reducer housing (7) and the inner tube (3).

8. The motor according to claim 7, characterized in that The reducer housing (7) or the inner tube (3) is provided with an annular fourth installation groove (71).

9. The motor according to claim 7, characterized in that A first step is formed inside the outer tube (4) or outside the base (1), a second step is formed inside the outer tube (4) or outside the reducer housing (7), one end of the inner tube (3) extends into the first step, and the other end of the inner tube (3) extends into the second step.

10. The motor according to claim 7, characterized in that The motor further comprises a lead wire (9) and a rubber plug (10); the base (1) is provided with a channel for the lead wire (9) to pass through; and the rubber plug (10) is filled between the lead wire (9) and the inside of the base (1).

Images