A travel assembly and a rolling door motor

Abstract

The utility model discloses a travel assembly, which includes an upper cover, a middle cover and a base that are buckled in sequence, a circuit board is located between the upper cover and the middle cover, a rotation calculation chip is provided on the circuit board and is fixed to the upper cover through a latch structure, a transmission gear set is located between the middle cover and the base, a transmission gear shaft that is transmission-connected to the guide wheel of a rolling door motor is transmission-connected to a first-stage transmission gear of the transmission gear set, the shaft end of one of the transmission gears of the transmission gear set has a reverse buckle groove and is reversely buckled on the elastic opening and closing reverse buckle hole of the base, one end of the final transmission gear of the transmission gear set is a gear structure and is limited on the base, and a magnetic steel is fixed on the end surface of the other end and passes through the middle cover to correspond to the rotation calculation chip of the circuit board in the upper cover. The utility model also provides a rolling door motor.

Description

Technical Field

[0001] The utility model relates to a travel assembly and a rolling door motor. Background Art

[0002] The existing rolling door motor uses magnetic steel and chips to calculate the stroke. The stroke assembly needs to be inserted on the shaft, the outer cover needs to be screwed, and the gears in the stroke assembly need to be installed through retaining rings and springs, and then the circuit board is welded. The assembly is cumbersome. At the same time, the distance between the magnetic steel and the calculation chip of the circuit board is uncontrollable, and precise control effect cannot be achieved. In addition, disassembly is inconvenient, the structure is not reliable, and the positioning induction will be affected by vibration. Utility Model Content

[0003] The utility model aims to overcome the deficiencies of the prior art and provides a travel assembly and a rolling door motor.

[0004] The first technical solution adopted by the utility model to solve its technical problem is:

[0005] A stroke assembly comprises an upper cover, a middle cover and a base which are buckled in sequence, a circuit board is located between the upper cover and the middle cover, a rotation calculation chip is provided on the circuit board and is fixed to the upper cover by a latch structure, a transmission gear set is located between the middle cover and the base, a transmission gear shaft which is transmission-connected to a guide wheel of a rolling door motor is transmission-connected to a primary transmission gear of the transmission gear set, the shaft end of one of the transmission gears of the transmission gear set has a buckle groove and is buckled on an elastic opening and closing buckle hole of the base, one end of the final transmission gear of the transmission gear set is a gear structure and is limited on the base, and a magnetic steel is fixed to the end face of the other end and passes through the middle cover to correspond to the rotation calculation chip of the circuit board in the upper cover.

[0006] In another preferred embodiment, the upper cover and the middle cover, and the middle cover and the base are connected via buckling protrusions and buckling grooves respectively.

[0007] In another preferred embodiment, the upper cover has a plurality of elastic latches, and the circuit board has pin holes corresponding to the elastic latches one by one.

[0008] In another preferred embodiment, the base is provided with a first shaft hole for the transmission gear shaft to pass through, and the middle cover is provided with a limiting hole corresponding to the end of the transmission gear shaft.

[0009] In another preferred embodiment, the shaft portion of the final transmission gear is provided with a step, the middle cover is provided with a second shaft hole corresponding to the final transmission gear, the other end of the final transmission gear passes through the second shaft hole of the middle cover and the step is limited on the second shaft hole.

[0010] In another preferred embodiment, a positioning shaft of the final-stage transmission gear is disposed on the base, and an end surface of one end of the final-stage transmission gear has a positioning shaft hole corresponding to the positioning shaft.

[0011] In another preferred embodiment, the elastic opening and closing buckle hole is a cross-shaped structure or a triangular structure.

[0012] In another preferred embodiment, the upper cover is provided with a wire outlet hole for the circuit board's circuits to enter and exit.

[0013] In another preferred embodiment, the upper cover, the middle cover and the base each have a semicircular ring structure.

[0014] The second technical solution adopted by the utility model to solve its technical problem is:

[0015] A rolling door motor includes the above-mentioned stroke assembly, and also includes a connecting shaft, an outer shell guide wheel, a transmission gear, a transmission sprocket and a fixed seat; the roller of the rolling door is installed on the outer shell guide wheel, the outer shell guide wheel drives the transmission gear, the transmission gear drives the transmission sprocket, the transmission sprocket has a first inner gear ring on the outside and a second inner gear ring on the inside, the transmission gear drives the first inner gear ring of the transmission sprocket, and the second inner gear ring drives the connection transmission gear shaft for the stroke assembly to calculate the stroke; one end of the connecting shaft is connected to the upper cover of the stroke assembly, and the other end is connected to the fixed seat.

[0016] In another preferred embodiment, a locating pin is provided in the middle of the fixing seat, and the other end of the connecting shaft is connected to a locating pin hole of the fixing seat.

[0017] In another preferred embodiment, it also includes a worm gear drive shaft and a worm gear pair, the handle can be driven to connect to the worm gear pair, the worm gear pair is driven to connect to the worm gear drive shaft, and the worm gear drive shaft can be driven to connect to the roller of the rolling door.

[0018] The beneficial effects of the utility model are as follows: it provides a travel assembly, by sequentially buckling the upper cover, the middle cover and the base, the circuit board is fixed on the upper cover, the transmission gear set is fixed between the middle cover and the base, the final transmission gear is buckled on the middle cover, and the magnetic steel on it corresponds to the rotation calculation chip of the circuit board, the distance between the magnetic steel and the chip is controllable, and precise distance control can be achieved to achieve the optimal sensing effect, while the entire travel switch has a compact structure and is easy to install, without the need for locking screws, and the gear set does not need retaining rings and springs. The four-stage transmission gear is buckled and installed, and the assembly thickness is reduced through the swing pin design, and the complexity of the transmission stage is reduced, thereby better designing the gear transmission.

[0019] The final transmission gear is also positioned on the base to achieve precise transmission without shaking. The step and gear structure distance of the final transmission gear can be designed according to needs to achieve precise sensing.

[0020] The elastic latch structure of the upper cover and the positioning pin hole of the circuit board realize the positioning and clamping of the circuit board without welding the circuit board. The upper cover also has a wire outlet hole for the circuit board.

[0021] The utility model also provides a rolling door motor, which includes the above-mentioned stroke assembly, and the stroke assembly is connected to the fixing seat of the motor through a connecting shaft, so that the stroke assembly can be quickly installed on the motor to sense the stroke.

[0022] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments; however, the travel assembly and the rolling door motor of the present invention are not limited to the embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the exploded structure of a rolling door motor according to a preferred embodiment of the utility model.

[0024] Figure 2 It is a schematic diagram of the exploded structure of a stroke assembly of a preferred embodiment of the utility model.

[0025] Figure 3 It is a partial cross-sectional view of a rolling door motor according to a preferred embodiment of the utility model.

[0026] Figures 4a-4d It is a structural schematic diagram of the upper cover of the travel assembly of a preferred embodiment of the utility model, wherein: Figure 4a is the main view, Figure 4b This is a bottom view. Figure 4c yes Figure 4a Cross-section view along the BB direction, Figure 4d yes Figure 4a Cross-sectional view along the CC direction.

[0027] Figures 5a-5f It is a structural schematic diagram of the middle cover of the travel assembly of a preferred embodiment of the utility model, wherein: Figure 5a is the main view, Figure 5b This is a bottom view. Figure 5c yes Figure 5a The cross-section view in the AA direction, Figure 5d yes Figure 5a Cross-section view along the BB direction, Figure 5e yes Figure 5a Cross-sectional view in the CC direction, Figure 5f It is the left view.

[0028] Figure 6a-6f It is a structural schematic diagram of the base of a travel assembly of a preferred embodiment of the utility model, wherein: Figure 6a is the main view, Figure 6b This is a bottom view. Figure 6c yes Figure 6aThe cross-section view in the AA direction, Figure 6d yes Figure 6a Cross-section view along the BB direction, Figure 6e yes Figure 6a Cross-sectional view in the CC direction, Figure 6f It is the left view.

[0029] Figures 7a-7d It is a schematic diagram of the structure of the circuit board of a travel assembly of a preferred embodiment of the utility model, wherein: Figure 7a is the main view, Figure 7d It is the right view.

[0030] Figure 8a-8c It is a structural schematic diagram of a four-stage transmission gear of a travel assembly of a preferred embodiment of the utility model, wherein: Figure 8a is the main view, Figure 8b is the right view, Figure 8c It is a stereogram.

[0031] Figures 9a-9d It is a structural schematic diagram of the five-stage transmission gear of the travel assembly of the preferred embodiment of the utility model, wherein: Figure 9a is the main view, Figure 9b This is a bottom view. Fig.9c is the right view, Figure 9d yes Figure 9a Cross-section view along the AA direction.

[0032] Fig.10 It is a structural schematic diagram of a transmission gear shaft of a stroke assembly of a preferred embodiment of the utility model.

[0033] Figures 11a-11d This is a schematic diagram of the structure of the connecting shaft of the rolling door motor of a preferred embodiment of the utility model, wherein: Fig.11a is the main view, Fig.11b It is a top view. Fig.11c yes Fig.11a Cross-sectional view in the CC direction, Fig.11d yes Fig.11a Cross-section along the BB direction.

[0034] Figure 12a-12b This is a schematic diagram of the structure of the transmission gear plate of the rolling door motor of a preferred embodiment of the utility model, wherein: Fig.12a is the main view, Figure 12b yes Fig.12a Cross-section view along the AA direction.

[0035] Figures 13a-13c It is a schematic diagram of the structure of the housing guide wheel of the rolling door motor of a preferred embodiment of the utility model, wherein: Fig.13a is the main view, Fig.13b yes Fig.13aA cross-sectional view of Fig.13c It is the rear view. DETAILED DESCRIPTION

[0036] For example, see Figures 1 to 13c As shown, a rolling door motor of the utility model includes a travel assembly 100, wherein the travel assembly 100 includes an upper cover 110, a middle cover 130 and a base 150 which are buckled in sequence, and the upper cover 110, the middle cover 130 and the base 150 respectively have a semicircular ring structure, such as Figure 2 , Figures 4a-6f As shown, the upper cover 110 and the middle cover 130, and the middle cover 130 and the base 150 are connected by buckling protrusions and buckling grooves, respectively. Figure 2 As shown, the upper cover 110 is provided with an upper cover buckling groove 111 , the middle cover 130 is provided with a middle cover buckling protrusion 131 and a middle cover buckling groove 132 , and the base 150 is provided with a base buckling protrusion 151 .

[0037] The circuit board 170 is located between the upper cover 110 and the middle cover 130. Figures 4a-4d and Figure 7a-7b As shown, the circuit board 170 has a rotating computing chip 172 and is fixed to the upper cover 110 through a latch structure. Specifically, the upper cover 110 has three elastic latches 112, and the circuit board 170 has pin holes 171 corresponding to the elastic latches.

[0038] In this embodiment, the upper cover 110, the middle cover 130 and the base 150 are buckled together in sequence to form a semi-annular box structure, such as Figure 1 and Figure 2 As shown, the upper cover 110 is provided with a wire outlet hole 112 for the wires of the circuit board 170 to enter and exit, and the entire travel assembly 100 can be conveniently installed on the motor.

[0039] The transmission gear set is located between the middle cover 130 and the base 150, and the transmission gear set includes a primary transmission gear 191, a secondary transmission gear 192, a tertiary transmission gear 193, a quaternary transmission gear 194, and a quintuple transmission gear 195. In this embodiment, the transmission gear shaft 210 that is transmission-connected to the guide wheel of the rolling door motor is transmission-connected to the primary transmission gear 191 of the transmission gear set, and the transmission gear shaft 210 that is transmission-connected to the guide wheel of the rolling door motor is transmission-connected to the primary transmission gear 191 of the transmission gear set. Figure 2 , Figure 3 and Figure 8a-8c As shown, the shaft end of the four-stage transmission gear 194 of the transmission gear set has a reverse buckle groove 1941 and is reversely buckled on the elastic opening and closing reverse buckle hole 152 of the base 150. The elastic opening and closing reverse buckle hole 152 is a cross-shaped structure or a triangular structure. The four-stage transmission gear 194 is reversely buckled. Through the swing needle design, the assembly thickness is reduced and the complexity of the transmission level is reduced, thereby better designing the gear transmission. Figures 9a-9dAs shown, one end of the five-stage transmission gear 195 of the transmission gear set is a gear structure and is limited on the base 150, and the end surface of the other end is fixed with a magnetic steel 120 and passes through the middle cover 130 to correspond to the rotation calculation chip 172 of the circuit board 170 in the upper cover 110, as shown in FIG. Figures 9a-9d As shown, the shaft of the five-stage transmission gear 195 is provided with a step 1951, and the middle cover 130 is provided with a second shaft hole 133 corresponding to the five-stage transmission gear 195, and the other end of the five-stage transmission gear 195 passes through the second shaft hole 133 of the middle cover 130 and the step 1951 is limited on the second shaft hole 133. The five-stage transmission gear 195 is buckled on the middle cover 130, and the magnet 120 thereon corresponds to the rotation calculation chip of the circuit board 170. The distance between the magnet 120 and the chip is controllable, and precise distance control can be achieved to achieve the best sensing effect. At the same time, the entire travel switch has a compact structure and is easy to install, without the need for locking screws, and the gear set does not need a retaining ring and a spring.

[0040] Furthermore, the base 150 is provided with a first shaft hole 153 for the transmission gear shaft 210 to pass through, and the middle cover 130 is provided with a limiting hole 134 corresponding to the end of the transmission gear shaft 210. The base 150 is provided with a positioning shaft 154 of a five-stage transmission gear 195, and the end surface of one end of the five-stage transmission gear 195 has a positioning shaft hole 1952 corresponding to the positioning shaft 154. In this way, the transmission gear set is cleverly designed, compact in structure, and stable in transmission between the middle cover 130 and the base 150.

[0041] The stroke assembly 100 is applied to a rolling door motor, and combined with Figure 1 and Figure 3 The rolling door motor also includes a connecting shaft 220, a housing guide wheel 230, a transmission gear 240, a transmission toothed disc 250, a fixing seat 260 and a fixing seat upper cover 270; the roller of the rolling door is installed on the housing guide wheel 230, the housing guide wheel 230 drives the transmission gear 240, the transmission gear 240 drives the transmission toothed disc 250, the transmission toothed disc 250 has an outer first inner gear ring 251 and an inner second inner gear ring 252, the transmission gear 240 drives the transmission toothed disc 250 The first inner gear ring 251 and the second inner gear ring 252 are connected to the transmission gear shaft 210 for the stroke assembly 100 to calculate the stroke; one end of the connecting shaft 220 is connected to the upper cover 110 of the stroke assembly 100, and the connecting piece 221 on the connecting shaft 220 is fixed to the pin hole 113 on the upper cover 110 by screws, and the other end is connected to the fixing seat 260, and the other end is provided with a support leg 222, and the support leg 222 is connected to the positioning pin 262 on the fixing seat 260. The bottom of the fixing seat 260 is provided with a fixing shaft 261, such as Figure 3As shown, the other end of the connecting shaft 220 can also be fixed to the fixed shaft 261 by screws. The housing guide wheel 230 and the transmission gear plate 250 are respectively installed between the fixing seat 260 and the fixing seat upper cover 270. The fixing seat 260 is provided with a positioning pin 262, and the support leg of the other end 222 of the connecting shaft 220 is connected to the positioning pin hole 223 of the positioning pin 262 of the fixing seat 260.

[0042] In this embodiment, it also includes a worm gear drive shaft 281 and a worm gear pair 282. Figure 1 The worm part of the worm gear pair is not shown. The handle can drive the worm gear pair 282, and the worm gear pair 282 can drive the worm drive shaft 281. The worm drive shaft 281 can drive the roller connected to the rolling door, thereby manually driving the rolling door to move up and down.

[0043] The above embodiments are only used to further illustrate a travel assembly 100 and a rolling door motor of the utility model, but the utility model is not limited to the embodiments. Any simple modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the utility model fall within the protection scope of the technical solution of the utility model.

Claims

1. A travel assembly, characterized in that: It includes an upper cover, a middle cover and a base which are buckled in sequence. The circuit board is located between the upper cover and the middle cover. The circuit board has a rotating computing chip and is fixed to the upper cover through a latch structure. The transmission gear set is located between the middle cover and the base. The transmission gear shaft which is connected to the guide wheel of the rolling door motor is connected to the first-stage transmission gear of the transmission gear set. The shaft end of one of the transmission gears of the transmission gear set has a buckle groove and is buckled on the elastic opening and closing buckle hole of the base. One end of the final transmission gear of the transmission gear set is a gear structure and is limited on the base. The end face of the other end is fixed with a magnetic steel and passes through the middle cover to correspond to the rotating computing chip of the circuit board in the upper cover.

2. A travel assembly according to claim 1, characterized in that: The upper cover and the middle cover, and the middle cover and the base are connected respectively through buckling protrusions and buckling grooves.

3. A travel assembly according to claim 1, characterized in that: The upper cover is provided with a plurality of elastic plugs, and the circuit board is provided with pin holes corresponding to the elastic plugs one by one.

4. A travel assembly according to claim 1, characterized in that: The base is provided with a first shaft hole for the transmission gear shaft to pass through, and the middle cover is provided with a limiting hole corresponding to the end of the transmission gear shaft.

5. A travel assembly according to claim 1, characterized in that: The shaft of the final transmission gear is provided with a step, the middle cover is provided with a second shaft hole corresponding to the final transmission gear, the other end of the final transmission gear passes through the second shaft hole of the middle cover and the step is limited on the second shaft hole.

6. A travel assembly according to claim 1, characterized in that: The base is provided with a positioning shaft of the final-stage transmission gear, and an end surface of one end of the final-stage transmission gear is provided with a positioning shaft hole corresponding to the positioning shaft.

7. A travel assembly according to claim 1, characterized in that: The elastic opening and closing buckle hole is a cross-shaped structure or a triangular structure.

8. A travel assembly according to claim 1, characterized in that: The upper cover is provided with a wire outlet hole for the circuits of the circuit board to enter and exit.

9. A travel assembly according to claim 1, characterized in that: The upper cover, the middle cover and the base each have a semicircular ring structure.

10. A rolling door motor, characterized in that: It includes a stroke assembly as described in any one of claims 1 to 9, and also includes a connecting shaft, an outer shell guide wheel, a transmission gear, a transmission sprocket and a fixed seat; the roller of the rolling shutter door is installed on the outer shell guide wheel, the outer shell guide wheel drives the transmission gear, the transmission gear drives the transmission sprocket, the transmission sprocket has a first inner gear ring on the outside and a second inner gear ring on the inside, the transmission gear drives the first inner gear ring of the transmission sprocket, and the second inner gear ring drives the connection transmission gear shaft for the stroke assembly to perform stroke calculation; one end of the connecting shaft is connected to the upper cover of the stroke assembly, and the other end is connected to the fixed seat.

11. The rolling door motor according to claim 10, characterized in that: A locating pin is arranged in the middle of the fixing seat, and a locating pin hole connected with the locating pin of the fixing seat is arranged at the other end of the connecting shaft.

12. The rolling door motor according to claim 10, characterized in that: It also includes a worm gear drive shaft and a worm gear pair. The handle can be driven to connect to the worm gear pair. The worm gear pair is driven to connect to the worm gear drive shaft. The worm gear drive shaft can be driven to connect to the roller of the rolling door.

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