Speed reducer and shell convenient to disassemble

Abstract

The utility model provides a speed reducer and convenient dismantlement shell, including: quick dismantlement subassembly, quick dismantlement subassembly includes one turn button that is used for driving the threaded rod to rotate, the quick dismantlement subassembly is provided with four sets of same specification, four sets of quick dismantlement subassembly are equipped with rear end cover obverse four corners, the inside of threaded rod rear side is equipped with the telescopic cavity, the inside of telescopic cavity is equipped with the spring, compared with the prior art, the quick release device has the advantages that the quick release assembly is arranged, the butt joint rod is used for driving the butt joint plate to be installed in the butt joint cavity in a sliding mode, then the second magnetic suction plate and the first magnetic suction plate are fixed in an adsorption mode, and therefore the quick release device is convenient to use. And the butt joint plate is driven to be separated from the interior of the butt joint cavity by rotating the threaded rod, and then the rear end cover can be taken down by reverse operation according to the installation process, so that the final effects are that the disassembly and assembly efficiency of the rear end cover is remarkably improved, and the disassembly and assembly convenience of the rear end cover is greatly improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of speed reducer, especially relates to a speed reducer and convenient dismounting shell. BACKGROUND

[0002] Speed reducer is a kind of mechanical transmission device, mainly used to reduce speed and increase torque. It converts the input high-speed low-torque into the output low-speed high-torque by gear or other transmission components, and the speed reducer shell is an important component of the speed reducer, which mainly plays the role of protecting the internal transmission system. The rear end cover of the speed reducer shell is an important component of the speed reducer shell, mainly bearing the sealing and protection, and the installation mode of the rear end cover has multiple, wherein bolt connection is the most commonly used connection mode, and the connection mode is simple in structure, and the reliability after installation is high, but the disadvantage of this mode is that bolt connection needs to use multiple bolts, and the bolts need to be tightened or loosened one by one during dismounting, which is time-consuming and laborious, especially in frequent maintenance occasions, and the efficiency is low, therefore a new structure is proposed to solve the above problems. SUMMARY

[0003] In view of the deficiencies in the prior art, the utility model aims at providing a speed reducer and convenient dismounting shell to solve the problems in the background art.

[0004] The utility model discloses the following technical scheme realizes: a kind of speed reducer and convenient dismounting shell, comprising: quick-release assembly, the quick-release assembly includes a knob for driving screw rod rotation, the quick-release assembly is equipped with four groups of same specifications, four groups The quick-release assembly is installed at the front four corners of rear end cover;

[0005] The screw rod rear side is internally provided with an expansion cavity, a spring is installed in the expansion cavity, and a butt joint rod is arranged in the expansion cavity.

[0006] As a preferred embodiment, the rear end cover front side is provided with a speed reducer main body, a plug-in port is formed at the front four corners of the speed reducer main body, and a sliding groove is formed in the plug-in port along the clockwise direction.

[0007] As a preferred embodiment, the sliding groove is of arc-shaped structure, the rear side inner wall of the sliding groove and the rear side inner wall of the plug-in port are in the same horizontal plane, and the end of the sliding groove in the clockwise direction is recessed backward to form a butt joint cavity.

[0008] As a preferred embodiment, the radius length of the butt joint cavity is greater than the width of the sliding groove, the radius length of the butt joint cavity is equal to the radius length of the plug-in port, a magnetic plate one is arranged on the rear side inner wall of the butt joint cavity, and the magnetic plate one and the magnetic plate two are of the same specification and opposite poles.

[0009] As a preferred embodiment, the end of the sliding groove in the counterclockwise direction is connected with the insertion port, and the end of the sliding groove in the clockwise direction is connected with the front side of the docking cavity.

[0010] As a preferred embodiment, four screw holes are arranged at the four corners of the front side of the rear end cover, and each screw hole is used for threaded connection with a threaded rod.

[0011] As a preferred embodiment, the radius of the insertion port matches the radius of the docking plate, and the depth of the insertion port and the sliding groove matches the thickness of the docking plate.

[0012] As a preferred embodiment, the radius of the docking plate matches the radius of the docking cavity, and the total thickness of the docking plate and the second magnetic plate matches the depth of the docking cavity.

[0013] As a preferred embodiment, the radius of the docking rod matches the width of the opening of the sliding groove, the radius of the threaded rod is greater than the width of the opening of the sliding groove, the diameter of the limiting plate matches the width of the inner side of the sliding groove, the front side of the docking rod is inside the telescopic cavity and is fixed with the rear side of the spring, the sliding groove is used for limiting the front and rear positions of the docking plate, that is, the docking plate cannot be separated from the opening of the front side of the sliding groove when being inside the inner side of the sliding groove, and the second magnetic plate and the first magnetic plate are used for adsorbing and fixing, so that the docking plate is fixed inside the docking cavity, and therefore, through the embedded connection and adsorbing and fixing of the four docking plates and the docking cavity, the rear end cover can be quickly installed on the front side of the speed reducer main body, and the rear end cover can be quickly removed by reversing the installation steps, so that the disassembly and assembly convenience is improved.

[0014] After the above technical scheme is adopted, the beneficial effects of the utility model are as follows: 1. By arranging the quick release assembly, the quick release assembly comprises a threaded rod and a docking plate, when the rear end cover is installed, four quick release assemblies are in the installed state with screw holes, the rear end cover is moved backward, four docking plates are inserted into four insertion ports respectively, the rear end cover is pushed backward, four docking rods are pressed against the springs inside the telescopic cavity, the threaded rod is rotated clockwise along the sliding groove to the clockwise end of the sliding groove, the docking plate is opposite to the front side of the docking cavity, the spring is no longer pressed and rebounds to push the docking plate into the docking cavity, the second magnetic plate on the rear side of the docking plate is adsorbed and fixed with the first magnetic plate arranged on the rear side of the docking cavity, so that the rear end cover is quickly installed on the front side of the speed reducer main body, and the installation efficiency of the rear end cover is improved.

[0015] 2、By setting the threaded rod and knob, need to disassemble the rear end cover, first clockwise rotate four groups of knob, drive the threaded rod rotate in the screw hole, and make the threaded rod drive the butt joint rod forward, in turn make the butt joint plate from the butt joint cavity inside, then counterclockwise rotate the rear end cover, make four groups of butt joint plate respectively along the sliding groove counterclockwise rotate to the insertion port, finally take down the rear end cover, the final effect is greatly improved the disassembly convenience of the rear end cover. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor.

[0017] Figure 1 A speed reducer and a shell convenient to disassemble of the present application.

[0018] Figure 2 The position of the insertion port and the sliding groove in the shell convenient to disassemble of the present application.

[0019] Figure 3 The cross-sectional view of the sliding groove and the butt joint cavity in the shell convenient to disassemble of the present application.

[0020] Figure 4 The structure diagram of the quick release assembly in the shell convenient to disassemble of the present application.

[0021] In the figure, 100-speed reducer main body, 110-sliding groove, 111-insertion port, 112-butt joint cavity, 113-magnetic plate one;

[0022] 200-rear end cover;

[0023] 300-quick release assembly, 310-knob, 320-threaded rod, 321- telescopic cavity, 322-spring, 330-butt joint rod, 340-butt joint plate, 341-magnetic plate two. DETAILED DESCRIPTION

[0024] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.

[0025] Please refer to Figures 1 to 4 : A speed reducer and a convenient disassembly shell, comprising: quick release assembly 300, quick release assembly 300 includes a knob 310 for driving screw rod 320 rotation, quick release assembly 300 is provided with four groups of same specification, four groups of quick release assembly 300 are installed at the front four corners of rear end cover 200;

[0026] The rear side of screw rod 320 is internally provided with an expansion cavity 321, the expansion cavity 321 is internally provided with a spring 322, and the expansion cavity 321 is internally provided with a butt joint rod 330.

[0027] The front side of rear end cover 200 is provided with a speed reducer main body 100, the front side of speed reducer main body 100 is provided with four insertion openings 111 at four corners respectively, and the insertion openings 111 are provided with sliding grooves 110 in the clockwise direction.

[0028] The sliding groove 110 is an arc structure, the rear side inner wall of the sliding groove 110 and the rear side inner wall of the insertion opening 111 are in the same horizontal plane, and the end of the sliding groove 110 in the clockwise direction is recessed backward to form a butt joint cavity 112.

[0029] The radius length of the butt joint cavity 112 is greater than the width of the sliding groove 110, the radius length of the butt joint cavity 112 is equal to the radius length of the insertion opening 111, and the rear side inner wall of the butt joint cavity 112 is provided with a magnetic plate one 113, the magnetic plate one 113 and the magnetic plate two 341 are of the same specification and are opposite poles.

[0030] The end of the sliding groove 110 in the counterclockwise direction is connected with the insertion opening 111, and the end of the sliding groove 110 in the clockwise direction is connected with the front side of the butt joint cavity 112.

[0031] The front side of rear end cover 200 is provided with four screw holes for threaded connection with screw rod 320 at four corners respectively, and the interval length between the four screw holes is the same as the interval length between the four insertion openings 111.

[0032] The radius length of the insertion opening 111 matches the radius length of the butt joint plate 340, and the depth of the insertion opening 111 and the sliding groove 110 matches the thickness of the butt joint plate 340.

[0033] The radius length of the butt joint plate 340 matches the radius length of the butt joint cavity 112, and the total thickness of the butt joint plate 340 and the magnetic plate two 341 matches the depth of the butt joint cavity 112.

[0034] The radius length of the docking rod 330 matches the width of the opening of the sliding groove 110, the radius length of the threaded rod 320 is greater than the width of the opening of the sliding groove 110, the diameter length of the limiting plate matches the width of the inner side of the sliding groove 110, the front side of the docking rod 330 is inside the telescopic cavity 321 and is fixed with the rear side of the spring 322, the sliding groove 110 can limit the front and rear positions of the docking plate 340, that is, the docking plate 340 will not escape from the front opening of the sliding groove 110 when it is inside the sliding groove 110, and then the adsorption and fixation of the magnetic adsorption plate two 341 and the magnetic adsorption plate one 113 can fix the docking plate 340 inside the docking cavity 112, so that the four groups of docking plates 340 and the docking cavity 112 are embedded and connected and adsorbed and fixed, so that the rear end cover 200 is quickly installed on the front of the speed reducer main body 100, and the rear end cover 200 can be quickly removed by reversing the installation steps, thereby significantly improving the convenience of disassembly and assembly.

[0035] Embodiment 1: see Figures 1 to 4 In actual use, the speed reducer main body 100 is provided with an insertion opening 111 at each of the four corners of the front side, the insertion opening 111 is provided with a sliding groove 110 in the clockwise direction, the sliding groove 110 is connected with the insertion opening 111 at the end in the counterclockwise direction, the end in the clockwise direction of the sliding groove 110 is recessed to form a docking cavity 112, the magnetic adsorption plate one 113 is arranged on the rear side of the docking cavity 112, the radius length of the docking cavity 112 is equal to the radius length of the insertion opening 111, the radius length of the docking cavity 112 is greater than the width of the sliding groove 110, the depth of the insertion opening 111 is the same as the depth of the sliding groove 110, and the depth of the sliding groove 110 is less than the depth of the docking cavity 112.

[0036] The speed reducer main body 100 is provided with a rear end cover 200 to be installed at the front side, the rear end cover 200 is provided with a threaded hole at each of the four corners of the front side, the threaded hole is internally provided with a quick release assembly 300, the quick release assembly 300 includes a threaded rod 320 and a docking rod 330, the front side of the threaded rod 320 is provided with a knob 310 for rotating the threaded rod 320, the rear side of the threaded rod 320 is internally provided with a telescopic cavity 321, the telescopic cavity 321 is internally provided with a spring 322 for driving the front and rear movement of the docking rod 330, the rear side of the threaded rod 320 is provided with the docking rod 330, the front side of the docking rod 330 is inside the telescopic cavity 321 and is fixed with the rear side of the spring 322, the rear side of the docking rod 330 is provided with a docking plate 340, the rear side of the docking plate 340 is provided with a magnetic adsorption plate two 341, the radius length of the docking plate 340 matches the radius length of the docking cavity 112 and the insertion opening 111, the radius length of the threaded rod 320 matches the width of the sliding groove 110, and the magnetic adsorption plate two 341 and the magnetic adsorption plate one 113 are of the same specification and are opposite poles.

[0037] When installing the rear end cover 200, first pick up the rear end cover 200, at this time the default four groups of quick release assemblies 300 are respectively installed in the four groups of screw holes, and the knob 310 is rotated to the rear side thereof in contact with the front side of the screw hole, at this time the threaded rod 320, the butt joint rod 330 and the butt joint plate 340 are all at the rear side of the rear end cover 200, pick up the rear end cover 200 and insert the four groups of butt joint plates 340 into the four groups of insertion ports 111 respectively, then slightly push the rear end cover 200 backward, so that the butt joint rod 330 extrudes the spring 322 in the extension and contraction cavity 321 to make the spring 322 shrink and store energy, then rotate the rear end cover 200 clockwise, so that the four groups of butt joint rods 330 slide clockwise along the four groups of sliding grooves 110 respectively, since the radius length of the butt joint rod 330 matches the width of the sliding groove 110, and the radius length of the threaded rod 320 is greater than the width of the sliding groove 110, therefore the threaded rod 320 is at the front side of the sliding groove 110, and the butt joint rod 330 slides clockwise along the sliding groove 110;

[0038] When the butt joint rod 330 slides clockwise to the clockwise end of the sliding groove 110, at this time the butt joint plate 340 is opposite to the butt joint cavity 112, the spring 322 no longer extruded and rebounds, pushes the butt joint rod 330 backward, so that the butt joint rod 330 pushes the butt joint plate 340 backward into the butt joint cavity 112, then the magnetic attraction plate two 341 at the rear side of the butt joint plate 340 is magnetically attracted and fixed with the magnetic attraction plate one 113 in the butt joint cavity 112, so as to fix the butt joint plate 340 in the butt joint cavity 112, it should be noted that the four groups of quick release assemblies 300 are connected simultaneously, that is, after the rear end cover 200 is rotated clockwise, the four groups of butt joint plates 340 are magnetically attracted and fixed with the four groups of butt joint cavities 112 at the same time, and then the rear end cover 200 is stably installed on the front of the speed reducer main body 100 through the magnetic attraction and fixation of the four groups of butt joint plates 340 and the four groups of butt joint cavities 112, and the limiting of the sliding groove 110 and the butt joint plate 340, therefore the installation efficiency of the rear end cover 200 is greatly improved.

[0039] Example 2: please refer to Figures 1 to 4When the rear end cover 200 needs to be disassembled, first rotate the four sets of knobs 310 counterclockwise respectively, drive the four sets of threaded rods 320 to rotate counterclockwise along the four sets of screw holes respectively through the four sets of knobs 310, so that the threaded rods 320 rotate and move forward, and drive the rear abutting rods 330 to move forward, then drive the abutting plates 340 to separate from the inside of the abutting cavity 112 through the abutting rods 330, at this time the magnetic attraction plate two 341 separates from the magnetic attraction plate one 113, and the abutting plates 340 are pulled to the front side of the abutting cavity 112, it should be noted that when the abutting plates 340 are pulled through the abutting rods 330, the spring 322 in the telescopic cavity 321 will be stretched by the pulling force of the abutting rods 330, and the connecting and fixed place of the abutting rods 330 and the spring 322 is provided with a limiting plate, and the radius length of the limiting plate is greater than the radius length of the opening at the rear side of the telescopic cavity 321, so that the abutting rods 330 are limited when the limiting plate moves to the rear side of the telescopic cavity 321, so that the abutting rods 330 are not separated from the inside of the telescopic cavity 321, and after the abutting plates 340 are pulled to the front side of the abutting cavity 112, the rear end cover 200 is rotated counterclockwise, drives the four sets of abutting plates 340 to rotate counterclockwise along the sliding groove 110 to the inside of the insertion port 111, and then the rear end cover 200 is taken forward, so that the disassembly convenience of the rear end cover 200 is greatly improved, and the inside of the speed reducer main body 100 is maintained.

[0040] The above only describes the preferred embodiments of the present application and is not intended to limit the present application, and any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A speed reducer and a convenient dismounting shell, comprising: The quick release assembly (300) is characterized in that: the quick release assembly (300) comprises a knob (310) for driving the threaded rod (320) to rotate, the quick release assembly (300) is provided with four groups of the same specifications, and the four groups of the quick release assembly (300) are installed at the front four corners of the rear end cover (200). The rear side of the threaded rod (320) is internally provided with an expansion cavity (321), the expansion cavity (321) is internally provided with a spring (322), the expansion cavity (321) is internally provided with a butt joint rod (330), the rear side of the butt joint rod (330) is provided with a butt joint plate (340), and the rear side of the butt joint plate (340) is provided with a magnetic plate two (341).

2. A speed reducer and conveniently detachable housing according to claim 1, characterized in that: The front side of the rear end cover (200) is provided with a reducer main body (100), the front four corners of the reducer main body (100) are respectively provided with an insertion port (111), and the insertion port (111) is provided with a sliding groove (110) in the clockwise direction.

3. A speed reducer and easily detachable housing according to claim 2, characterized in that: The sliding groove (110) is an arc structure, the rear side inner wall of the sliding groove (110) and the rear side inner wall of the insertion port (111) are in the same horizontal plane, and the end of the sliding groove (110) in the clockwise direction is recessed backward to form a butt joint cavity (112).

4. A speed reducer and easily detachable housing according to claim 3, characterized in that: The radius length of the butt joint cavity (112) is greater than the width of the sliding groove (110), the radius length of the butt joint cavity (112) is equal to the radius length of the insertion port (111), the rear side inner wall of the butt joint cavity (112) is provided with a magnetic plate one (113), and the magnetic plate one (113) and the magnetic plate two (341) are of the same specification and are opposite poles.

5. A speed reducer and easily detachable housing according to claim 3, wherein: The end of the sliding groove (110) in the counterclockwise direction is connected with the insertion port (111), and the end of the sliding groove (110) in the clockwise direction is connected with the front side of the butt joint cavity (112).

6. A speed reducer and easily detachable housing according to claim 2, wherein: The rear side of the rear end cover (200) is provided with a threaded hole for threadedly connecting with the threaded rod (320), and the interval length between the four threaded holes is the same as the interval length between the four insertion ports (111).

7. A speed reducer and easily detachable housing according to claim 2, wherein: The radius length of the insertion port (111) matches the radius length of the butt joint plate (340), and the depth of the insertion port (111) and the sliding groove (110) matches the thickness of the butt joint plate (340).

8. A speed reducer and easily detachable housing according to claim 7, characterized in that: The radius length of the butt joint plate (340) matches the radius length of the butt joint cavity (112), and the total thickness of the butt joint plate (340) and the magnetic plate two (341) matches the depth of the butt joint cavity (112).

9. A speed reducer and easily detachable housing according to claim 1, wherein: The radius length of the butt joint rod (330) matches the width of the sliding groove (110), the radius length of the threaded rod (320) is greater than the width of the sliding groove (110), and the front side of the butt joint rod (330) is in the expansion cavity (321) and is fixed with the rear side of the spring (322).

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