Transmission structure of hand tubular motor

Abstract

The utility model relates to the technical field of curtain motors, and discloses a transmission structure of a hand-cranking tubular motor, which is characterized by comprising a base and an outer tube, the base is in transmission connection with the outer tube, a positioning piece is arranged in the outer tube, one end of the positioning piece extends out of the outer tube and is clamped with the base, one end of the positioning piece deviating from a shell extends out of the outer tube, and the other end of the positioning piece is clamped with the base. The length of the positioning piece is increased, when the positioning piece is installed, tools are not needed, the hand of an operator can act on the positioning piece, and therefore the positioning piece is rotated, the installation angle position of the positioning piece is adjusted, and the positioning piece can be accurately connected with the shell in a clamped mode. The installation efficiency is also improved; and one end, extending out of the outer pipe, of the positioning piece is clamped with the base, so that the mounting position of the base is also positioned.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of curtain motor, more particularly to a transmission structure of hand-cranking tubular motor. BACKGROUND

[0002] In order to block the sunlight from directly entering the house, a sunshade is installed outside the window or the door, the sunshade can block the radiation of ultraviolet rays, reduce the indoor temperature, thereby reducing the air conditioning load, at present, more and more electric sunshades are put into use, the user can adjust the opening and closing of the sunshade through the remote controller in the house, without manually adjusting outside the room,

[0003] In addition, in order to facilitate the adjustment of the stroke of the electric sunshade, a hand-cranking structure is designed at the tubular motor, in the prior art, the hand-cranking structure comprises a base, the base extends towards the inner pipe of the motor and extends into the outer pipe of the motor, a positioning member is arranged in the outer pipe, the positioning member is used for positioning gear members and the like in the hand-cranking structure, wherein the positioning member is relatively short and is completely accommodated in the outer pipe, because the positioning member needs to be clamped with the shell accommodating the circuit board, it is difficult for workers to adjust the installation position of the positioning member during installation. SUMMARY

[0004] In view of the deficiencies in the prior art, the utility model aims to provide a transmission structure of hand-cranking tubular motor, change the structure of the positioning member, and facilitate the clamping installation of the positioning member and the shell of the circuit board.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a transmission structure of hand-cranking tubular motor, comprising a base and an outer pipe, the base and the outer pipe are transmissionally connected, a positioning member is arranged in the outer pipe, one end of the positioning member extends out of the outer pipe and is clamped with the base.

[0006] As a further improvement of the utility model, the base comprises a left shell and a right shell, the left shell and the right shell are detachably connected, the positioning member is clamped with the left shell.

[0007] As a further improvement of the utility model, a first clamping groove is formed in one end of the positioning member towards the left shell, a first clamping member is formed in the left shell, and the first clamping member is clamped into the corresponding first clamping groove.

[0008] As a further improvement of the utility model, a grounding hole is formed in the first clamping member.

[0009] As a further improvement of the utility model, a worm is rotationally connected in the base, a gear member is sleeved on the positioning member, the gear member is engaged with the worm, and the gear member is transmissionally connected with the outer pipe.

[0010] As a further improvement of the utility model, the both ends of the worm are connected with the base through bearings.

[0011] As a further improvement of the utility model, the outer tube is connected with the gear member through a connecting pipe.

[0012] As a further improvement of the utility model, a plurality of second clamping members are formed on the connecting pipe in a circumferential direction, and a second clamping groove corresponding to the second clamping member is formed on the end of the outer tube facing the base in a circumferential direction.

[0013] As a further improvement of the utility model, a plurality of third clamping members are formed on the connecting pipe in a circumferential direction, and a third clamping groove corresponding to the third clamping member is formed on the end of the gear member facing the outer tube in a circumferential direction.

[0014] As a further improvement of the utility model, a step is formed on the positioning member, a convex ring is formed on the end of the connecting pipe close to the step, and the convex ring abuts between the gear member and the step.

[0015] The utility model discloses the positioning member extends the outer tube from the end of shell, thereby increase the length of positioning member, when installing the positioning member, the hand of operating personnel can act on the positioning member, thereby rotating the positioning member, adjusting the installation angle position of positioning member, makes it can accurately with the clamping of shell between, also improves the installation efficiency, and the end of positioning member extending the outer tube is clamped with the base, also locates the installation position of base. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is the three-dimensional structure schematic diagram of the utility model, and

[0017] Figure 2 It is the sectional view of the utility model.

[0018] Figure 3 It is the structure schematic diagram of the worm of the utility model.

[0019] Figure 4 It is the structure schematic diagram of the left shell of the utility model.

[0020] Figure 5 It is the structure schematic diagram of the outer tube of the utility model.

[0021] Figure 6 It is the structure schematic diagram of the connecting pipe of the utility model.

[0022] Figure 7 It is the structure schematic diagram of the gear member of the utility model.

[0023] Figure 8It is the structure schematic view of the positioning piece in the utility model.

[0024] Figure 9 It is the structure schematic view of the shell in the utility model.

[0025] Reference signs: 1, base; 11, left shell; 111, first clamping piece; 112, grounding hole; 12, right shell; 13, worm; 14, bearing; 2, outer tube; 21, second clamping groove; 3, positioning piece; 31, first clamping groove; 32, step; 4, gear piece; 41, third clamping groove; 5, connecting tube; 51, second clamping piece; 52, third clamping piece; 53, convex ring. DETAILED DESCRIPTION

[0026] The utility model is further explained in detail below in combination with the drawings and examples. Same parts are indicated by same reference signs. It should be noted that the words "front", "back", "left", "right", "upper" and "lower" in the following description refer to the directions in the drawings, and the words "bottom surface" and "top surface", "inner" and "outer" refer to the directions towards or away from the geometric center of a specific part.

[0027] Referring to Figures 1 to 9 The transmission structure of the hand-operated tubular motor of the embodiment includes a base 1 and an outer tube 2. The motor and speed reduction components are installed in the outer tube 2. An outer shell is installed at one end of the outer tube 2 close to the base 1. The outer shell is used to install circuit boards and other parts. The base 1 and the outer tube 2 are transmissionally connected. The positioning piece 3 is arranged in the outer tube 2. One end of the positioning piece 3 extends out of the outer tube 2 and is clamped with the base 1. The other end of the positioning piece 3 is connected with the outer shell through a buckle. Thus, the positioning of the end of the positioning piece 3 close to the outer shell is realized. Two buckles can be arranged, and the two buckles are symmetrically arranged.

[0028] In the embodiment, one end of the positioning piece 3 away from the outer shell extends out of the outer tube 2. Thus, the length of the positioning piece 3 is increased. When the positioning piece 3 is installed, the hand of the operator can act on the positioning piece 3. Thus, the positioning piece 3 is rotated to adjust the installation angle position of the positioning piece 3. The positioning piece 3 can be accurately clamped with the outer shell. The installation efficiency is improved. Compared with the existing positioning piece, the installation position of the positioning piece does not need to be adjusted by means of a tool inserted into the outer tube 2.

[0029] The end of the positioning piece 3 extending out of the outer tube 2 is clamped with the base 1. The installation position of the base 1 is also positioned.

[0030] Referring to Figure 2As shown, the base 1 comprises a left shell 11 and a right shell 12, which are detachably connected, the positioning member 3 is clamped with the left shell 11, so that the base 1 can be disassembled, wherein the left shell 11 and the right shell 12 are connected by bolts, facilitating the installation of the worm 13 and other parts in the base 1.

[0031] Referring to Figure 4 and Figure 8 As shown, the one end of the positioning member 3 towards the left shell 11 is provided with a first clamping groove 31, and the first clamping member 111 is formed in the left shell 11 and clamped into the corresponding first clamping groove 31, in this embodiment, the number of first clamping grooves 31 is two or four, wherein the first clamping member 111 is vertically or horizontally, or cross-shaped, the vertical or horizontal shape can be used to match two first clamping grooves 31, and the cross shape can be used to match four first clamping grooves 31.

[0032] A cylindrical body is formed in the middle of the first clamping member 111, and the grounding hole 112 is provided on the cylindrical body.

[0033] Referring to Figure 4 As shown, the first clamping member 111 is provided with a grounding hole 112, and the circuit board can be grounded through the grounding hole 112.

[0034] Referring to Figure 3 As shown, the worm 13 is rotatably connected in the base 1, the base 1 is provided with a through hole penetrating through both ends thereof, the worm 13 is installed in the through hole, and a polygonal hole, preferably a hexagonal hole, is formed in the worm 13 and penetrates through both ends thereof, so that the worm 13 can be driven to rotate by a tool.

[0035] Referring to Figure 2 As shown, the positioning member 3 is sleeved with the gear member 4, the gear member 4 is engaged with the worm 13, the gear member 4 is drivingly connected with the outer tube 2, the right shell 12 is sleeved on the gear member 4, and the gear member 4 comprises a gear and a tube integrally formed with the gear, and the gear is located in the base 1, so that the gear is engaged with the worm 13.

[0036] The bearings 14 are connected between both ends of the worm 13 and the base 1, so as to increase the rotation stability of the worm 13.

[0037] Referring to Figure 2 and Figure 6 As shown, the one end of the outer tube 2 close to the base 1 is clamped with the connecting tube 5, the connecting tube 5 is clamped with the gear member 4, the transmission between the outer tube 2 and the gear member 4 is realized through the connecting tube 5, so as to realize the function of driving the outer tube 2 to rotate by rotating the worm 13.

[0038] Referring to Figure 5 and Figure 6As shown in the drawings, a plurality of second clamping members 51 are formed on the connecting pipe 5 in the circumferential direction, and a plurality of second clamping grooves 21 corresponding to the second clamping members 51 are formed on the outer pipe 2 in the circumferential direction towards the base 1, in this embodiment, the number of the second clamping members 51 and the second clamping grooves 21 is four, the second clamping members 51 are evenly distributed along the central axis of the connecting pipe 5 in the circumferential direction, and the second clamping grooves 21 are evenly distributed along the central axis of the outer pipe 2 in the circumferential direction, the connecting pipe 5 is positioned with the outer pipe 2 by clamping the second clamping members 51 into the corresponding second clamping grooves 21, so that the outer pipe 2 can be driven to rotate when the connecting pipe 5 rotates.

[0039] Referring to Figure 6 and Figure 7 As shown in the drawings, a plurality of third clamping members 52 are formed on the connecting pipe 5 in the circumferential direction, and a plurality of third clamping grooves 41 corresponding to the third clamping members 52 are formed on the gear member 4 in the circumferential direction towards the outer pipe 2, wherein the number of the third clamping members 52 and the third clamping grooves 41 is four, the connecting pipe 5 is connected with the gear member 4 by clamping the third clamping members 52 into the third clamping grooves 41, so that the connecting pipe 5 can be driven to rotate when the gear member 4 rotates.

[0040] The third clamping grooves 41 are formed on the pipe member and evenly distributed along the central axis of the pipe member in the circumferential direction, and the third clamping members 52 are evenly distributed along the central axis of the connecting pipe 5 in the circumferential direction.

[0041] Referring to Figure 6 and Figure 8 As shown in the drawings, a step 32 is formed on the positioning member 3, which can abut against the connecting pipe 5 to position the installation position of the connecting pipe 5, and a convex ring 53 is formed on the connecting pipe 5 towards the step 32, which abuts between the gear member 4 and the step 32, so that the movement of the connecting pipe 5 in the axial direction can be limited by the combined action of the convex ring 53 and the step 32.

[0042] The above is only a preferred embodiment of the present application, the protection scope of the present application is not limited to the above-mentioned embodiments, any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that for ordinary skilled in the art, some improvements and decorations without departing from the principle of the present application shall also be considered as the protection scope of the present application.

Claims

1. A drive structure for a hand-cranked tubular electric machine, characterized by: The utility model provides a kind of transmission device, including base (1) and outer tube (2), the base (1) is connected between transmission, the outer tube (2) is provided with positioning member (3) inside, one end of the positioning member (3) extends out the outer tube (2), and is clamped with the base (1).

2. A drive structure for a hand-cranked tubular electric machine according to claim 1, characterized in that: The base (1) includes left shell (11) and right shell (12), the left shell (11) is detachably connected with the right shell (12), and the positioning member (3) is clamped with the left shell (11).

3. A drive structure for a hand-cranked tubular electric machine according to claim 2, characterised in that: The positioning member (3) is provided with a first clamping groove (31) at one end towards the left shell (11), and the left shell (11) is formed with a first clamping member (111) inside, which is clamped into the corresponding first clamping groove (31).

4. A drive structure for a hand-cranked tubular electric machine according to claim 3, wherein: The first clamping member (111) is provided with a grounding hole (112).

5. A drive structure for a hand-cranked tubular electric machine according to claim 1, characterized in that: The base (1) is rotatably connected with a worm (13) inside, the positioning member (3) is provided with a gear member (4) outside, the gear member (4) is engaged with the worm (13), and the gear member (4) is connected with the outer tube (2) in transmission.

6. A drive structure for a hand-cranked tubular electric machine according to claim 5, wherein: Both ends of the worm (13) are connected with the base (1) through a bearing (14).

7. A drive structure for a hand-cranked tubular electric machine according to claim 5, wherein: The outer tube (2) is clamped with a connecting pipe (5) at one end close to the base (1), and the connecting pipe (5) is clamped with the gear member (4).

8. A drive structure for a hand-cranked tubular electric machine according to claim 7, characterised in that: The connecting pipe (5) is circumferentially formed with a plurality of second clamping members (51), and one end of the outer tube (2) towards the base (1) is circumferentially formed with a second clamping groove (21) corresponding to the second clamping member (51).

9. A drive structure for a hand-cranked tubular electric machine according to claim 7, wherein: The connecting pipe (5) is circumferentially formed with a plurality of third clamping members (52), and one end of the gear member (4) close to the outer tube (2) is circumferentially formed with a third clamping groove (41) corresponding to the third clamping member (52).

10. A drive structure for a hand-cranked tubular electric machine according to claim 7, characterized in that: The positioning member (3) is formed with a step (32), one end of the connecting pipe (5) close to the step (32) is formed with a convex ring (53), and the convex ring (53) abuts between the gear member (4) and the step (32).

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