Detachable fixing structure for end part of double-end motor

Abstract

The utility model relates to a detachable fixing structure for the end part of a double-end motor. The technical problems that in the prior art, a pin is adopted for fixing, and dismounting is troublesome are solved. Comprising a motor shell, motor end covers are arranged on the inner sides of the two ends of the motor shell in a penetrating mode respectively, two motor bodies are arranged in the motor shell and connected with output heads arranged in the motor end covers through transmission assemblies respectively, and circumferential limiting structures are arranged at one ends of the motor end covers and one ends of the transmission assemblies. A plurality of end cover fixing holes are formed in the end of the motor shell, a plurality of end cover positioning holes are formed in the circumferential outer side of the motor end cover, and the end cover fixing holes and the end cover positioning holes are connected through end cover fixing bolts. The utility model has the advantages that the end cover fixing hole and the motor fixing hole are arranged at the end part of the motor shell and are matched with the end cover positioning hole of the motor end cover and the motor positioning hole of the motor fixing seat by using screws, so that parts are not damaged before and after disassembly and can be repeatedly used, and the concentricity effect is good by adopting the integrated steel pipe structural design.

Description

TECHNICAL FIELD

[0001] The utility model belongs to electric window curtain equipment technical field, concretely relates to a double -end motor end part detachable fixed structure. BACKGROUND

[0002] The tubular motor is provided in the electric window curtain, and the tubular motor is in a columnar shape as a whole, can generate power to roll up and unroll the window curtain, the traditional tubular motor has the advantages of compact structure, large torque and slow rotating speed, and therefore is widely used by people, but the traditional tubular motor is of an integrated structure, usually fixed by using a pin, when failure occurs and needs to be overhauled, it is troublesome to disassemble, the overhauling efficiency is affected, and the disassembled parts cannot be reused, thereby increasing the maintenance cost. SUMMARY

[0003] The utility model aims at the above -mentioned problem, provides a double -end motor end part detachable fixed structure.

[0004] In order to achieve the above object, the utility model adopts the following technical scheme: a double -end motor end part detachable fixed structure, including motor shell, the motor shell both ends inside respectively wear the motor end cover, be equipped with two motor bodies in the motor shell, and the motor body is connected with the output head rotationally arranged in the motor end cover through the transmission assembly, the motor end cover one end with transmission assembly one end is equipped with the circumferential limit structure and the other end of motor end cover passes out the motor shell, and the motor shell end part is equipped with a plurality of end cap fixed holes respectively, the circumferential outside of motor end cover is equipped with a plurality of end cap positioning hole with end cap fixed hole one -to -one correspondence, and the end cap fixed hole and end cap positioning hole are connected through end cap fixed bolt.The motor end cover is connected with the transmission assembly through the circumferential limit structure, the motor body is connected with the output head in the motor end cover through the transmission assembly, the end cap positioning hole on the motor end cover is correspondingly arranged with the end cap fixed hole on the motor shell and connected through the end cap fixed bolt, realizes that the part will not be damaged before and after disassembling, and can be reused.

[0005] In the above -mentioned double -end motor end part detachable fixed structure, the motor shell is of an integrated steel pipe structure, and the motor shell is in an equal-diameter cylindrical shape and has two open ends. The integrated steel pipe structure has good concentricity.

[0006] In the above -mentioned double -end motor end part detachable fixed structure, the motor end cover includes a cover cylinder in a cylindrical structure and inserted into the open end of the motor shell, the cover cylinder is flush with the end face of the motor shell, the output head is rotationally arranged on the circumferential inner side of the cover cylinder, and the cover cylinder has an end cap extension cylinder portion coaxially connected to the outside of the motor shell.

[0007] In the double-head motor end detachable fixing structure, the number of the end cover positioning holes is two and they are symmetrically arranged on both sides of the end cover barrel, the end cover positioning holes are radially arranged on the outer side of the end cover barrel and do not penetrate the inner side of the end cover barrel. The number of the end cover positioning holes is two, which is beneficial to the stable connection of the motor end cover and the motor shell.

[0008] In the double-head motor end detachable fixing structure, the transmission assembly comprises a transmission seat which is arranged in the axial direction of the motor shell, and the transmission seat is internally provided with a planetary gear transmission structure.

[0009] In the double-head motor end detachable fixing structure, the circumferential limiting structure comprises a plurality of positioning grooves arranged at one end of the transmission seat, one end of the end cover barrel is provided with a positioning protrusion corresponding to the positioning grooves, and the positioning protrusion and the positioning grooves are inserted with each other. The positioning grooves of the transmission seat and the positioning protrusions of the end cover barrel are connected by insertion, which can avoid the circumferential rotation of the transmission seat during operation and improve the stability.

[0010] In the double-head motor end detachable fixing structure, a motor fixing seat is arranged between the motor body and the transmission seat, at least one motor positioning hole is arranged on the outer side of the motor fixing seat, at least one motor fixing hole corresponding to the motor positioning hole is arranged on the outer side of the motor shell, and the motor fixing hole and the motor positioning hole are connected by a motor fixing bolt. The motor positioning hole of the motor fixing seat corresponds to the motor fixing hole of the motor shell and is connected by the motor fixing bolt, which ensures the stability of the motor fixing seat.

[0011] In the double-head motor end detachable fixing structure, an axially extending motor fixing portion is arranged at the end of the motor fixing seat away from the motor body, the motor fixing portion is arranged on the inner side of the transmission seat, a plurality of radially outward protruding guide blocks are arranged on the circumferential outer side of the motor fixing portion, and a plurality of guide grooves corresponding to the guide blocks are arranged on the circumferential outer side of the end of the transmission seat close to the motor fixing seat. The guide blocks and the guide grooves play a role of pre-positioning between the motor fixing seat and the transmission seat.

[0012] In the double-head motor end detachable fixing structure, clamping blocks are arranged on both sides of the motor fixing portion, clamping grooves corresponding to the clamping blocks are arranged on both sides of the end of the transmission seat close to the motor fixing seat, and the clamping blocks are arranged in the clamping grooves. The motor fixing seat is connected with the clamping grooves of the transmission seat through the clamping blocks, which further ensures the stability of the transmission seat.

[0013] In the double-head motor end detachable fixing structure, an axially extending motor connecting hole is arranged on the circumferential inner side of the motor fixing seat, and an output portion is arranged in the motor connecting hole at the middle of the end of the motor body close to the motor fixing seat.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] 1. the device is through setting end cap fixed hole and motor fixed hole in motor shell end portion, and cooperate with end cap positioning hole of motor end cap and motor positioning hole of motor fixed seat, use screw matching, like this realize disassembly before and after not damaging parts, and can be repeatedly used, improve utilization.

[0016] 2. the device adopts integrated steel pipe structure design, improve the service life, also make concentricity effect is good. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the structure schematic diagram of the utility model.

[0018] Figure 2 It is the internal structure diagram of the utility model.

[0019] Figure 3 It is the partial explosion drawing of the utility model.

[0020] Figure 4 It is the structure schematic diagram of motor end cap in the utility model.

[0021] Figure 5 It is the structure schematic diagram of transmission seat in the utility model.

[0022] Figure 6 It is the structure schematic diagram of transmission seat another view in the utility model.

[0023] Figure 7 It is the structure schematic diagram of motor fixed seat in the utility model.

[0024] In the drawing: motor shell 1, end cap fixed hole 11, motor fixed hole 12, motor end cap 2, output head 21, end cap positioning hole 22, end cap cylinder body 23, end cap extension cylinder part 24, motor body 3, output part 31, transmission assembly 4, transmission seat 41, circumferential limiting structure 5, positioning groove 51, positioning boss 52, motor fixed seat 6, motor positioning hole 61, motor fixed part 62, guide block 63, guide groove 64, clamping block 65, clamping groove 66, motor connecting hole 67. DETAILED DESCRIPTION

[0025] The utility model will be further explained in detail in combination with the drawings and specific embodiment.

[0026] As Figures 1-7As shown, a double-head motor end detachable fixing structure, comprising a motor shell 1, motor end covers 2 are respectively arranged at both ends of the motor shell 1, two motor bodies 3 are arranged in the motor shell 1, the motor bodies 3 are respectively connected with output heads 21 arranged in the motor end covers 2 through transmission assemblies 4, the motor end cover 2 is provided with a circumferential limiting structure 5 at one end and the transmission assembly 4 is connected with the motor end cover 2 through the circumferential limiting structure 5, the other end of the motor end cover 2 penetrates the motor shell 1, and the motor shell 1 is respectively provided with a plurality of end cover fixing holes 11, the circumferential outer side of the motor end cover 2 is provided with a plurality of end cover positioning holes 22 corresponding to the end cover fixing holes 11, and the end cover fixing holes 11 and the end cover positioning holes 22 are connected through end cover fixing bolts. The motor end cover 2 is connected with the transmission assembly 4 through the circumferential limiting structure 5, the motor body 3 is connected with the output head 21 in the motor end cover 2 through the transmission assembly 4, the end cover positioning hole 22 on the motor end cover 2 is correspondingly arranged with the end cover fixing hole 11 on the motor shell 1 and connected through the end cover fixing bolt, so that the parts are not damaged before disassembly and can be reused.

[0027] As shown in Figure 1 , the motor shell 1 is an integral steel pipe structure, and the motor shell 1 is a constant diameter cylindrical shape with both ends open. The use of an integral steel pipe structure makes the concentricity effect good.

[0028] As shown in Figure 1 and Figure 3 , the motor end cover 2 comprises a cover barrel 23 in a cylindrical structure and inserted into the open end of the motor shell 1, the cover barrel 23 is flush with the end face of the motor shell 1, the output head 21 is rotatably arranged on the circumferential inner side of the cover barrel 23, and one end of the cover barrel 23 is coaxially connected with an extension barrel portion 24 extending to the outer side of the motor shell 1.

[0029] Among them, the number of end cover positioning holes 22 is two and symmetrically arranged on both sides of the cover barrel 23, the end cover positioning hole 22 is radially arranged on the outer side of the cover barrel 23 and does not penetrate the inner side of the cover barrel 23. The number of end cover positioning holes 22 is two, which is conducive to the stable connection of the motor end cover 2 and the motor shell 1.

[0030] As shown in Figure 2 , the transmission assembly 4 comprises a transmission seat 41 arranged in the axial direction of the motor shell 1, and the transmission seat 41 is provided with a planetary gear transmission structure.

[0031] As shown in Figure 4 and Figure 6 , the circumferential limiting structure 5 comprises a plurality of positioning grooves 51 arranged at one end of the transmission seat 41, the cover barrel 23 is provided with a positioning protrusion 52 corresponding to the positioning groove 51, and the positioning protrusion 52 and the positioning groove 51 are inserted into each other. The positioning groove 51 of the transmission seat 41 and the positioning protrusion 52 of the cover barrel 23 are connected by insertion, which can avoid the circumferential rotation of the transmission seat 41 during operation and improve the stability.

[0032] In combination Figure 1 And Figure 2 As shown in the figure, the motor body 3 and the transmission seat 41 are provided with a motor fixing seat 6, and the outer side of the motor fixing seat 6 is provided with at least one motor positioning hole 61. The outer side of the motor shell 1 is provided with at least one motor fixing hole 12 corresponding to the motor positioning hole 61, and the motor fixing hole 12 and the motor positioning hole 61 are connected by a motor fixing bolt. The motor positioning hole 61 of the motor fixing seat 6 corresponds to the motor fixing hole 12 of the motor shell 1 and is connected by a motor fixing bolt, which ensures the stability of the motor fixing seat 6.

[0033] In combination Figure 5 And Figure 7 As shown in the figure, the motor fixing seat 6 is provided with an axially extending motor fixing portion 62 away from one end of the motor body 3, and the motor fixing portion 62 is arranged inside the transmission seat 41. The circumferential outer side of the motor fixing portion 62 is provided with a plurality of radially outward protruding guide blocks 63, and the circumferential outer side of the transmission seat 41 close to the motor fixing seat 6 is provided with a plurality of guide grooves 64 corresponding to the guide blocks 63. The guide blocks 63 and the guide grooves 64 play a role in pre-positioning between the motor fixing seat 6 and the transmission seat 41.

[0034] Among them, the motor fixing portion 62 is respectively provided with a clamping block 65 on both sides, and the transmission seat 41 is respectively provided with a clamping groove 66 corresponding to the clamping block 65 on both sides close to the motor fixing seat 6, and the clamping block 65 is arranged in the clamping groove 66. The motor fixing seat 6 is connected with the clamping groove 66 of the transmission seat 41 through the clamping block 65, which further ensures the stability of the transmission seat 41.

[0035] In combination Figure 3 And Figure 7 As shown in the figure, the circumferential inner side of the motor fixing seat 6 is provided with an axially penetrating motor connecting hole 67, and the motor body 3 has an output portion 31 in the middle close to the motor fixing seat 6, and the output portion 31 is arranged in the motor connecting hole 67.

[0036] The principle of the embodiment is:

[0037] The motor end cover 2 is connected with the transmission seat 41 through the circumferential limiting structure 5, the output head 21 is arranged in the end cover cover body 23 and is connected with the transmission seat 41, the transmission seat 41 is connected with the motor body 3 through the motor fixing seat 6 away from the motor end cover 2, the clamping groove 66 on the transmission seat 41 is connected with the clamping block 65 on the motor fixing seat 6, the output part 31 on the motor body 3 is connected with the motor connecting hole 67 on the motor fixing seat 6, the motor end cover 2, the transmission seat 41 and the motor body 3 are sequentially arranged in the motor shell 1, the end cover positioning hole 22 on the motor end cover 2 is connected with the end cover fixing hole 11 on the motor shell 1 through the end cover fixing bolt, the motor positioning hole 61 on the motor fixing seat 6 is connected with the motor fixing hole 12 on the motor shell 1 through the motor fixing bolt, so that the parts are not damaged before and after disassembly and can be repeatedly used.

[0038] The specific embodiments described herein merely exemplify the spirit of the present application. Those skilled in the art to which the present application belongs can make various modifications or supplements to the described specific embodiments or replace them with similar ways, but will not deviate from the spirit of the present application or exceed the scope defined by the appended claims.

[0039] Although the terms such as motor shell 1, end cover fixing hole 11, motor fixing hole 12, motor end cover 2, output head 21, end cover positioning hole 22, end cover cylinder body 23, end cover extension cylinder part 24, motor body 3, output part 31, transmission assembly 4, transmission seat 41, circumferential limiting structure 5, positioning groove 51, positioning protrusion 52, motor fixing seat 6, motor positioning hole 61, motor fixing part 62, guide block 63, guide groove 64, clamping block 65, clamping groove 66 and motor connecting hole 67 are used more frequently herein, but the possibility of using other terms is not excluded. The use of these terms is only for more convenient description and explanation of the essence of the present application; any kind of additional limitation is contrary to the spirit of the present application.

Claims

1. A double-headed motor end detachable fixing structure, comprising a motor housing (1), wherein motor end covers (2) are respectively provided on the inner sides of both ends of the motor housing (1), two motor bodies (3) are provided in the motor housing (1), and the motor bodies (3) are respectively connected to output heads (21) rotatably provided in the motor end covers (2) through transmission components (4), characterized in that: The motor end cover (2) is provided with a circumferential limiting structure (5) at one end of the transmission assembly (4), and the other end of the motor end cover (2) penetrates the motor shell (1), and the motor shell (1) is provided with a plurality of end cover fixing holes (11) at the end, the circumferential outer side of the motor end cover (2) is provided with a plurality of end cover positioning holes (22) corresponding to the end cover fixing holes (11), and the end cover fixing hole (11) and the end cover positioning hole (22) are connected by the end cover fixing bolt.

2. A dual head motor end detachable fixing structure according to claim 1, characterized in that, The motor shell (1) is an integral steel pipe structure, and the motor shell (1) is a constant diameter cylinder with two open ends.

3. A dual head motor end detachable fixing structure according to claim 2, characterized in that, The motor end cover (2) includes a cylindrical end cover cylinder (23) inserted into the open end of the motor shell (1), the end cover cylinder (23) is flush with the end face of the motor shell (1), the output head (21) is rotatably arranged on the circumferential inner side of the end cover cylinder (23), and the end cover cylinder (23) is coaxially connected with the end cover extension cylinder (24) extending to the outside of the motor shell (1) at one end.

4. A dual head motor end detachable fixing structure according to claim 3, characterized in that, The number of end cover positioning holes (22) is two and symmetrically arranged on both sides of the end cover cylinder (23), the end cover positioning hole (22) is radially arranged on the outer side of the end cover cylinder (23), and the end cover positioning hole (22) does not penetrate the inner side of the end cover cylinder (23).

5. A double-headed electric motor end detachable fixing structure according to claim 3 or 4, characterized in that, The transmission assembly (4) includes a transmission seat (41) extending along the axial direction of the motor shell (1), and the transmission seat (41) is provided with a planetary gear transmission structure.

6. A dual head motor end detachable fixing structure according to claim 5, characterized in that, The circumferential limiting structure (5) includes a plurality of positioning grooves (51) arranged at one end of the transmission seat (41), one end of the end cover cylinder (23) is provided with a positioning protrusion (52) corresponding to the positioning groove (51), and the positioning protrusion (52) and the positioning groove (51) are inserted into each other.

7. A dual head motor end detachable fixing structure according to claim 5, characterized in that, The motor body (3) and the transmission seat (41) are provided with a motor fixing seat (6), and at least one motor positioning hole (61) is arranged on the outer side of the motor fixing seat (6), at least one motor fixing hole (12) corresponding to the motor positioning hole (61) is arranged on the outer side of the motor shell (1), and the motor fixing hole (12) and the motor positioning hole (61) are connected by the motor fixing bolt.

8. A dual head motor end detachable fixing structure according to claim 7, characterized in that, The motor fixing seat (6) is provided with an axially extending motor fixing portion (62) away from one end of the motor body (3), the motor fixing portion (62) is arranged on the inner side of the transmission seat (41), the circumferential outer side of the motor fixing portion (62) is provided with a plurality of radially outward protruding guide blocks (63), and the circumferential outer side of the transmission seat (41) close to one end of the motor fixing seat (6) is provided with a plurality of guide grooves (64) corresponding to the guide blocks (63).

9. A dual head motor end detachable fixing structure according to claim 8, characterized in that, The motor fixing portion (62) is provided with a clamping block (65) on both sides, the transmission seat (41) is provided with a clamping groove (66) corresponding to the clamping block (65) on both sides close to one end of the motor fixing seat (6), and the clamping block (65) is arranged in the clamping groove (66).

10. The dual head motor end detachable fixing structure according to claim 7, characterized in that, The motor fixing base (6) is provided with a motor connecting hole (67) which penetrates axially in the circumferential inner side, the motor body (3) has an output part (31) in the middle of the end close to the motor fixing base (6), and the output part (31) is arranged in the motor connecting hole (67).

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