CN220551051U - Tubular motor convenient to dismouting - Google Patents

Abstract

The utility model discloses a tubular motor convenient to disassemble and assemble, which comprises a main body component, a rolling door, a bracket, a tubular motor, a control panel and a switch, wherein the bracket is sleeved outside the rolling door, the tubular motor is positioned at one side of the bracket, the control panel is fixed at one side of the bracket, the switch is fixed at one side of the control panel, the disassembly and assembly component is arranged on the tubular motor and comprises a disassembly and assembly component, a limiting component and a fixing component, the disassembly and assembly component is arranged at one side of the tubular motor, and the limiting component is arranged on the disassembly and assembly component, so that the utility model has the beneficial effects that: can install tubular motor fast on rolling slats door through the setting of dismouting subassembly, when the motor breaks down or need change, can take off it from rolling slats door through quick dismantlement, reduced maintenance and change time and work load, need not dismantle or loaded down with trivial details operation to whole door body, improved maintenance efficiency.

Description

Tubular motor convenient to dismouting

Technical Field

The utility model relates to the technical field of tubular motors, in particular to a tubular motor convenient to disassemble and assemble.

Background

The tubular motor is usually mounted on a rolling door (also called a rolling door and a rolling door window), the rolling door is a vertically rolling door, the movement of the rolling door is realized by an electric rolling door driver mounted on the top of a door body, the electric driver usually adopts the tubular motor as a power source, a rolling shutter material of the rolling door is pushed to move up and down by rotating a rolling shutter door shaft inside the tubular motor, so that the door body is opened or closed, in the prior art, the tubular motor is mounted on the rolling door usually through bolts, the steps of drilling, anchoring and the like are required by using the bolts to mount the motor, compared with other mounting modes, certain tools and technical operations are required, if the motor is required to be maintained or replaced, the bolts can increase some extra workload and time cost, and the use is inconvenient.

Disclosure of Invention

This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description summary and in the title of the application, to avoid obscuring the purpose of this section, the description summary and the title of the utility model, which should not be used to limit the scope of the utility model.

The present utility model has been made in view of the above and/or problems occurring in the conventional tubular motor that is easy to disassemble and assemble.

Therefore, the problem to be solved by the present utility model is that in the prior art, the tubular motor is mounted on the roller shutter door usually by bolts, and the steps of drilling, anchoring and the like are required to be performed by using the bolts to mount the motor, which is complex compared with other mounting modes, and a certain tool and technical operation are required, if the motor needs to be maintained or replaced, the bolts may increase some extra workload and time cost, and the use is inconvenient.

In order to solve the technical problems, the utility model provides the following technical scheme: the tubular motor comprises a main body assembly, a rolling door, a bracket, a tubular motor, a control panel and a switch, wherein the bracket is sleeved outside the rolling door, the tubular motor is positioned on one side of the bracket, the control panel is fixed on one side of the bracket, and the switch is fixed on one side of the control panel;

the disassembly and assembly is arranged on the tubular motor and comprises a disassembly and assembly part, a limiting part and a fixing part, wherein the disassembly and assembly part is arranged on one side of the tubular motor, the limiting part is arranged on the disassembly and assembly part, and the fixing part is sleeved on the outer side of the tubular motor.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the dismounting piece comprises a supporting sleeve and a fixing frame, wherein the supporting sleeve is fixed on one side of the bracket, and the fixing frame is fixed on one end of the tubular motor.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the dismounting piece further comprises a moving rod and a supporting block, wherein the moving rod is positioned in the supporting sleeve, and the supporting block is fixed on one side of the moving rod.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the dismounting piece further comprises a push plate, a moving column and a positioning frame, wherein the push plate is fixed on one side of the moving rod, the moving column is fixed on one side of the push plate, the positioning frame is sleeved on the outer side of the moving column, and the positioning frame is movably connected with the moving column.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the disassembly and assembly part further comprises a threaded rod and a rotary table, the threaded rod is inserted into one side of the movable column, the threaded rod is in threaded connection with the movable column, and the rotary table is fixed at one end of the threaded rod.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the disassembly and assembly part further comprises a toothed bar and a toothed sleeve, wherein the toothed bar is fixed at one end of the tubular motor, the toothed sleeve is fixed on the inner wall of the bracket, and the toothed bar is meshed with the toothed sleeve.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the limiting piece comprises a limiting disc and a limiting block, the limiting disc is sleeved on the outer side of the threaded rod, a limiting hole is formed in the limiting disc, and the limiting block is located in the limiting hole.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the limiting part further comprises a movable rod, a spring and a pressure disc, wherein the movable rod is fixed on one side of the limiting block, the spring is sleeved on the outer side of the movable rod, and the pressure disc is fixed on one end of the spring.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the limiting part further comprises a pull disc, a connecting frame and a connecting block, wherein the pull disc is fixed at one end of the movable rod, the connecting frame is sleeved on the outer side of the spring, and the connecting block is sleeved on the outer side of the connecting frame.

As a preferable scheme of the tubular motor convenient to disassemble and assemble, the utility model comprises the following steps: the fixing piece comprises a fixing ring, a locating rod and a bolt, wherein the fixing ring is sleeved on the outer side of the tubular motor, the locating rod is inserted into one side of the fixing ring, the fixing ring is movably connected with the locating rod, the bolt is sleeved on one end of the fixing ring, and the bolt is in threaded connection with the fixing ring.

The utility model has the beneficial effects that: can install tubular motor fast on rolling slats door through the setting of dismouting subassembly, when the motor breaks down or need change, can take off it from rolling slats door through quick dismantlement, reduced maintenance and change time and work load, need not dismantle or loaded down with trivial details operation to whole door body, improved maintenance efficiency.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein:

fig. 1 is an overall construction view of a tubular motor which is easy to be disassembled and assembled.

Fig. 2 is a view of the whole of the tubular motor in another view, which is convenient to disassemble and assemble.

Fig. 3 is an enlarged partial view of the tubular motor of fig. 2 at a.

Fig. 4 is an enlarged partial view of the tubular motor of fig. 2 at B.

Fig. 5 is a sectional view of a connection frame of a tubular motor for easy assembly and disassembly.

Detailed Description

In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model, but the present utility model may be practiced in other ways other than those described herein, and persons skilled in the art will readily appreciate that the present utility model is not limited to the specific embodiments disclosed below.

Further, reference herein to "one embodiment" or "an embodiment" means that a particular feature, structure, or characteristic can be included in at least one implementation of the utility model. The appearances of the phrase "in one embodiment" in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments.

Example 1

Referring to fig. 1 to 5, in a first embodiment of the present utility model, a tubular motor is provided, which is easy to be disassembled and assembled, and includes a main body assembly 100 and a disassembling assembly 200, which are matched to be quickly disassembled and assembled.

The main body assembly 100 comprises a roller shutter door 101, a bracket 102, a tubular motor 103, a control panel 104 and a switch 105, wherein the bracket 102 is sleeved outside the roller shutter door 101, the tubular motor 103 is positioned on one side of the bracket 102, the control panel 104 is fixed on one side of the bracket 102, and the switch 105 is fixed on one side of the control panel 104.

The roll-up door 101 has a strong security against unauthorized persons entering a building or area. They can be as an effectual physical barrier, protect property from theft, invasion or destruction, can support rolling slats door 101 through setting up of support 102, prevent rolling slats door 101 from taking place the skew, can drive rolling slats door 101 rolling or unreeling through setting up of tubular motor 103, rolling slats door's rolling state, the door body is packed up completely, make the inside region invisible to external sight, better privacy protection has been provided, simultaneously, under rolling state, the risk that the door body was destroyed or maliciously invaded has also been reduced, the security has been strengthened, can control rolling slats door 101 through setting up of control panel 104, when needs make rolling slats door 101 roll or unreel, can make rolling slats door 101 roll or unreel through setting up of switch 105.

The dismounting assembly 200 is arranged on the tubular motor 103 and comprises a dismounting member 201, a limiting member 202 and a fixing member 203, wherein the dismounting member 201 is arranged on one side of the tubular motor 103, the limiting member 202 is arranged on the dismounting member 201, and the fixing member 203 is sleeved on the outer side of the tubular motor 103.

Can follow roller shutter door 101 quick installation or dismantlement through the setting of dismouting piece 201, when the motor breaks down or need change, can take off it from roller shutter door through quick dismantlement, time and the work load of maintenance and change have been reduced, need not dismantle or loaded down with trivial details operation to whole door body, maintenance efficiency has been improved, after installing tubular motor 103 from roller shutter door 101, in order to prevent that dismouting piece 201 from being triggered by mistake and giving up loose this moment, setting up through locating part 202 can carry out spacingly to dismouting piece 201, thereby alright prevent that dismouting piece 201 from taking place not hard up, setting up through setting up of setting piece 203 can be fixed roller shutter door 101 and tubular motor 103, make tubular motor 103 can drive roller shutter door 101 when rotating and roll.

Example 2

Referring to fig. 2 to 5, this embodiment is based on the previous embodiment, which is a second embodiment of the present utility model.

Specifically, the detachable member 201 includes a support sleeve 201c and a fixing frame 201a, the support sleeve 201c is fixed to one side of the bracket 102, and the fixing frame 201a is fixed to one end of the tubular motor 103.

The fixed frame 201a is provided with an inner ring, the inner ring is an inclined plane, when the tubular motor 103 is required to be mounted on the support 102, the fixed frame 201a is placed into the supporting sleeve 201c, then the fixed frame 201a can be limited by extruding the inclined plane on the inner ring of the fixed frame 201a, so that the tubular motor 103 can be mounted on the support 102, and the supporting sleeve 201c is used for supporting the fixed frame 201a to prevent the fixed frame 201a from falling off.

Specifically, the dismounting member 201 further includes a moving rod 201d and a supporting block 201e, the moving rod 201d is located in the supporting sleeve 201c, and the supporting block 201e is fixed to one side of the moving rod 201 d.

The number of the moving rods 201d is two, the moving rods 201d are both positioned in the supporting sleeve 201c, when the inclined plane on the inner ring of the fixed frame 201a needs to be extruded, the inclined plane on the inner ring of the fixed frame 201a can be extruded through the movement of the moving rods 201d, one side of the supporting sleeve 201c is provided with a hollow groove, the moving rods 201d move into the hollow groove so as to extrude the inclined plane on the inner ring of the fixed frame 201a, the supporting blocks 201e are rotatably connected with the inner wall of the supporting sleeve 201c through bearings, the moving rods 201d can be supported through the arrangement of the supporting blocks 201e, falling is prevented, the outer side of the supporting blocks 201e is sleeved with torsion springs, one sides of the torsion springs are fixed on the inner wall of the supporting sleeve 201c, the other ends of the torsion springs are fixed with the supporting blocks 201e, the moving rods 201d can be driven to rotate when the moving rods 201d move to extrude the inclined plane on the inner ring of the fixed frame 201a, and when the torsion force applied to the torsion springs needs to be relieved, the force of the moving rods 201d can be driven to return to the original position, and the moving rods 201d can be separated from the inclined plane on the fixed frame 201a can be relieved.

Specifically, the dismounting member 201 further includes a push plate 201f, a moving column 201g and a positioning frame 201h, the push plate 201f is fixed on one side of the moving rod 201d, the moving column 201g is fixed on one side of the push plate 201f, the positioning frame 201h is sleeved on the outer side of the moving column 201g, and the positioning frame 201h is movably connected with the moving column 201 g.

When the moving rods 201d need to be moved, one ends of the two moving rods 201d are extruded through the pushing plate 201f, then the moving rods 201d are rotated through the setting of the supporting blocks 201e, the moving rods 201d move so that inclined planes on the inner ring of the fixed frame 201a can be extruded, the setting of the moving column 201g can drive the pushing plate 201f to extrude one end of the moving rod 201d, the positioning frame 201h is fixed on the inner wall of the supporting sleeve 201c, the moving column 201g can be supported through the setting of the positioning frame 201h, and falling of the moving column 201g is prevented.

Specifically, the dismounting member 201 further includes a threaded rod 201i and a turntable 201j, the threaded rod 201i is inserted into one side of the moving column 201g, the threaded rod 201i is in threaded connection with the moving column 201g, and the turntable 201j is fixed at one end of the threaded rod 201 i.

When the movable column 201g needs to be moved, the threaded rod 201i can be moved while being rotated by rotating the threaded rod 201i, the threaded rod 201i is inserted into one side of the supporting sleeve 201c, the threaded rod 201i is in threaded connection with the supporting sleeve 201c, the movable column 201g can be driven to move by moving the threaded rod 201i, and a user can conveniently rotate the threaded rod 201i through the arrangement of the turntable 201 j.

Specifically, the dismounting member 201 further includes a toothed bar 201k and a toothed sleeve 202l, the toothed bar 201k is fixed to one end of the tubular motor 103, the toothed sleeve 202l is fixed to the inner wall of the bracket 102, and the toothed bar 201k is engaged with the toothed sleeve 202 l.

When the other end of the tubular motor 103 needs to be fixed, the toothed bar 201k is put into the toothed sleeve 202l to engage with the toothed bar, and the roller shutter door 101 can be wound up when the tubular motor 103 rotates through the engagement of the toothed bar and the toothed sleeve.

Specifically, the limiting member 202 includes a limiting disc 202a and a limiting block 202b, the limiting disc 202a is sleeved on the outer side of the threaded rod 201i, a limiting hole X is formed in the limiting disc 202a, and the limiting block 202b is located in the limiting hole X.

When one end of the tubular motor 103 is fixed, in order to prevent the rotary disc 201j from being touched by mistake and automatically rotated to cause loosening of the fixation of the tubular motor 103, the limiting disc 202a can be limited by the clamping of the limiting block 202b and the limiting hole X, and the threaded rod 201i can be prevented from rotating by limiting the limiting disc 202 a.

Example 3

Referring to fig. 4 and 5, a third embodiment of the present utility model is based on the first two embodiments.

Specifically, the limiting member 202 further includes a movable rod 202c, a spring 202d, and a pressure disc 202e, the movable rod 202c is fixed on one side of the limiting member 202b, the spring 202d is sleeved on the outer side of the movable rod 202c, and the pressure disc 202e is fixed on one end of the spring 202 d.

The pressure disc 202e is sleeved on the outer side of the movable rod 202c, when limiting of the limiting disc 202a is required to be removed, the movable rod 202c drives the limiting block 202b to move and separate from the limiting hole X through moving the movable rod 202c, limiting of the limiting disc 202a can be removed, the pressure disc 202e can be driven to move when the movable rod 202c is moved, extrusion force can be applied to the spring 202d through moving the pressure disc 202e, when limiting of the limiting disc 202a is required to be carried out again, the movable rod 202c is released, and at the moment, the resilience force of the spring 202d can drive the limiting block 202b to return to the original position and be engaged with the limiting hole X again, so that limiting of the limiting disc 202a can be limited again.

Specifically, the limiting member 202 further includes a pull disc 202f, a connecting frame 202g, and a connecting block 202h, where the pull disc 202f is fixed to one end of the movable rod 202c, the connecting frame 202g is sleeved outside the spring 202d, and the connecting block 202h is sleeved outside the connecting frame 202 g.

The setting of pulling plate 202f facilitates the user to stimulate movable rod 202c, and movable rod 202c outside is located to the cover of connecting frame 202g, and connecting frame 202g and movable rod 202c swing joint can support movable rod 202c through the setting of connecting frame 202g, prevents that movable rod 202c from taking place to squint, and connecting block 202h is fixed in support 102 one side, can support connecting frame 202g through the setting of connecting block 202h, prevents that connecting frame 202g from taking place to drop.

Specifically, the fixing member 203 includes a fixing ring 203a, a positioning rod 203b and a bolt 203c, the fixing ring 203a is sleeved on the outer side of the tubular motor 103, the positioning rod 203b is inserted on one side of the fixing ring 203a, the fixing ring 203a is movably connected with the positioning rod 203b, the bolt 203c is sleeved on one end of the fixing ring 203a, and the bolt 203c is in threaded connection with the fixing ring 203 a.

After the tubular motor 103 is mounted on the bracket 102, the roller shutter door 101 needs to be driven to be rolled or unrolled through the tubular motor 103, the roller shutter door 101 and the tubular motor 103 need to be connected and fixed at the moment, the fixing ring 203a is sleeved outside the tubular motor 103, then the fixing ring 203a is inserted into a connecting hole at the top of the roller shutter door 101, then the positioning rod 203b needs to be limited at the moment by inserting the positioning rod 203b into one end of the fixing ring 203a, the positioning rod 203b is sleeved outside the positioning rod 203b through a bolt 203c, and the positioning rod 203b is fixed on the fixing ring 203a through screwing the bolt, so that the roller shutter door 101 and the tubular motor 103 can be connected and fixed, and the roller shutter door 101 can be driven to be rolled or unrolled through rotation of the tubular motor 103.

When the tubular motor 103 is required to be fixed on the roller shutter door 101, firstly, the tubular motor 103 is obliquely placed in the middle of the bracket 102, the toothed bar 201k is placed in the toothed sleeve 202l to be meshed, the roller shutter door 101 can be rolled or unrolled when the tubular motor 103 rotates through the meshing of the toothed bar 201k and the toothed sleeve, at the moment, the other end of the tubular motor 103 is required to be fixed, the fixed frame 201a is placed in the supporting sleeve 201c, then the inclined surface on the inner ring of the fixed frame 201a is extruded, the fixed frame 201a can be limited, when the inclined surface on the inner ring of the fixed frame 201a is required to be extruded, firstly, the limit plate 202a is required to be released, the movable bar 202c is driven to move by pulling the pull plate 202f, the movable bar 202c is driven to move the pressure plate 202e, the extrusion force can be applied to the spring 202d through the movement of the pressure plate 202e, the movable rod 202c moves to drive the limiting block 202b to move and separate from the limiting hole X, so that the limit of the limiting disc 202a can be relieved, then the rotary disc 201j drives the threaded rod 201i to rotate through rotating the rotary disc 201j, the threaded rod 201i can move while rotating, the moving column 201g can be driven to move through the movement of the threaded rod 201i, the push plate 201f can be driven to extrude one end of the moving rod 201d through the movement of the moving column 201g, the two moving rods 201d are outwards expanded, the inclined plane on the inner ring of the fixed frame 201a can be extruded through the outwards expanding of the two moving rods 201d, and therefore the fixed frame 201a can be limited, so that the tubular motor 103 can be installed on the support 102, after the tubular motor 103 is installed on the support 102, the tubular motor 103 is required to drive the roller shutter door 101 to wind or unwind at the moment, the roller shutter door 101 is required to be fixedly connected with the tubular motor 103 at the moment, through establishing solid fixed ring 203a cover outside tubular motor 103, then gu fixed ring 203a peg graft in the connecting hole at roller shutter door 101 top, then through peg graft locating lever 203b in gu fixed ring 203a one end, need carry out spacing to locating lever 203b this moment, through locating lever 203b outside with the cover of bolt 203c, fix locating lever 203b on gu fixed ring 203a through screwing the bolt to this can be fixed roller shutter door 101 and tubular motor 103 connection, make tubular motor 103 rotate and can drive roller shutter door 101 and roll up or unreel.

It should be noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the technical solution of the present utility model may be modified or substituted without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered in the scope of the claims of the present utility model.

Claims (10)

1. A tubular motor convenient to dismouting, its characterized in that: comprising the steps of (a) a step of,

the main body assembly (100) comprises a roller shutter door (101), a bracket (102), a tubular motor (103), a control panel (104) and a switch (105), wherein the bracket (102) is sleeved outside the roller shutter door (101), the tubular motor (103) is positioned on one side of the bracket (102), the control panel (104) is fixed on one side of the bracket (102), and the switch (105) is fixed on one side of the control panel (104);

the disassembly and assembly (200) is arranged on the tubular motor (103) and comprises a disassembly and assembly part (201), a limiting part (202) and a fixing part (203), wherein the disassembly and assembly part (201) is arranged on one side of the tubular motor (103), the limiting part (202) is arranged on the disassembly and assembly part (201), and the fixing part (203) is sleeved on the outer side of the tubular motor (103).

2. A tubular motor for facilitating disassembly and assembly as defined in claim 1, wherein: the dismounting piece (201) comprises a supporting sleeve (201 c) and a fixing frame (201 a), the supporting sleeve (201 c) is fixed on one side of the support (102), and the fixing frame (201 a) is fixed on one end of the tubular motor (103).

3. A tubular motor for facilitating disassembly and assembly as claimed in claim 2, wherein: the dismounting piece (201) further comprises a moving rod (201 d) and a supporting block (201 e), wherein the moving rod (201 d) is located in the supporting sleeve (201 c), and the supporting block (201 e) is fixed on one side of the moving rod (201 d).

4. A tubular motor for facilitating disassembly and assembly as claimed in claim 3, wherein: the dismounting piece (201) further comprises a push plate (201 f), a movable column (201 g) and a positioning frame (201 h), wherein the push plate (201 f) is fixed on one side of the movable rod (201 d), the movable column (201 g) is fixed on one side of the push plate (201 f), the positioning frame (201 h) is sleeved on the outer side of the movable column (201 g), and the positioning frame (201 h) is movably connected with the movable column (201 g).

5. The easy-to-disassemble tubular motor of claim 4, wherein: the dismounting piece (201) further comprises a threaded rod (201 i) and a rotary disc (201 j), the threaded rod (201 i) is inserted into one side of the movable column (201 g), the threaded rod (201 i) is in threaded connection with the movable column (201 g), and the rotary disc (201 j) is fixed at one end of the threaded rod (201 i).

6. The easy-to-disassemble tubular motor of claim 5, wherein: the dismounting piece (201) further comprises a toothed bar (201 k) and a toothed sleeve (202 l), wherein the toothed bar (201 k) is fixed at one end of the tubular motor (103), the toothed sleeve (202 l) is fixed on the inner wall of the bracket (102), and the toothed bar (201 k) is meshed with the toothed sleeve (202 l).

7. A tubular motor for facilitating disassembly and assembly as claimed in claim 5 or 6, wherein: the limiting piece (202) comprises a limiting disc (202 a) and a limiting block (202 b), the limiting disc (202 a) is sleeved on the outer side of the threaded rod (201 i), a limiting hole (X) is formed in the limiting disc (202 a), and the limiting block (202 b) is located in the limiting hole (X).

8. The easy-to-disassemble tubular motor of claim 7, wherein: the limiting piece (202) further comprises a movable rod (202 c), a spring (202 d) and a pressure disc (202 e), wherein the movable rod (202 c) is fixed on one side of the limiting piece (202 b), the spring (202 d) is sleeved on the outer side of the movable rod (202 c), and the pressure disc (202 e) is fixed on one end of the spring (202 d).

9. The easy-to-disassemble tubular motor of claim 8, wherein: the limiting piece (202) further comprises a pull disc (202 f), a connecting frame (202 g) and a connecting block (202 h), wherein the pull disc (202 f) is fixed at one end of the movable rod (202 c), the connecting frame (202 g) is sleeved on the outer side of the spring (202 d), and the connecting block (202 h) is sleeved on the outer side of the connecting frame (202 g).

10. A tubular motor for facilitating disassembly and assembly as claimed in claim 8 or 9, wherein: the fixing piece (203) comprises a fixing ring (203 a), a locating rod (203 b) and a bolt (203 c), wherein the fixing ring (203 a) is sleeved on the outer side of the tubular motor (103), the locating rod (203 b) is inserted on one side of the fixing ring (203 a), the fixing ring (203 a) is movably connected with the locating rod (203 b), the bolt (203 c) is sleeved on one end of the fixing ring (203 a), and the bolt (203 c) is in threaded connection with the fixing ring (203 a).