CN112145570A

CN112145570A - Clutch device

Info

Publication number: CN112145570A
Application number: CN202011026294.7A
Authority: CN
Inventors: 沈金龙
Original assignee: Ningbo Chengbang Innovative Creations Co ltd
Current assignee: Ningbo Chengbang Innovative Creations Co ltd
Priority date: 2020-09-25
Filing date: 2020-09-25
Publication date: 2020-12-29

Abstract

The present invention provides a clutch, including: the clutch comprises a rotating shaft, a first clutch and a second clutch, wherein one end of the rotating shaft is provided with a square shaft, the first clutch is rotatably arranged on the rotating shaft, the second clutch is arranged on the square shaft corresponding to the first clutch, one end of the first clutch is provided with a first meshing part, and one end of the second clutch is provided with a second meshing part corresponding to the first meshing part; be provided with stop gear between second separation and reunion spare and the pivot, stop gear includes: the first limiting hole and the second limiting hole are detachably provided with wave ball screws; set up the holding chamber in the second separation and reunion spare, the holding intracavity is provided with spring mechanism, and spring mechanism includes: the gasket is fixedly arranged at one end of the square shaft, and one end of the elastic piece abuts against one side of the gasket. The clutch has the advantages of simple overall structure, good working stability of the clutch piece, high matching degree of the clutch piece, low manufacturing cost and wide application range.

Description

Clutch device

Technical Field

The invention relates to the technical field of machinery, in particular to a clutch.

Background

The clutch is a common component in a transmission system and a driven system, is a component directly connected with the motor and is responsible for the cutting-off and combining action of power and the transmission system, so that the stability of driven equipment during starting can be ensured, the smoothness of automobile gear shifting or equipment working speed change can also be ensured, and the overload of the transmission system is also prevented.

Most prior art clutches include a plurality of adjacent annular plates including a flywheel rotatably driven by the engine output (typically a crankshaft), a clutch plate (otherwise referred to as a driven plate), and a pressure plate biased toward the clutch plate and the flywheel by an energy storage device, such as one or more springs, to clamp the clutch plate between the flywheel and the pressure plate, such that the engagement surfaces of the clutch plate and the adjacent engagement surfaces of the flywheel and pressure plate operate in frictional engagement; however, the overall structure is complex, the clutch cannot be well applied to equipment with belt transmission or chain transmission and the like, the disassembling and using processes are troublesome, the cost is too high when the clutch is manufactured, and the assembly is troublesome.

Disclosure of Invention

Technical problem to be solved

The invention aims to provide a clutch which is simple in internal structure, convenient to operate and use, relatively small in size and low in manufacturing cost.

(II) technical scheme

In order to solve the above technical problem, the present invention discloses a clutch, comprising: the clutch comprises a rotating shaft, a first clutch and a second clutch, wherein a square shaft is arranged at one end of the rotating shaft, the first clutch is rotatably arranged on the rotating shaft, the second clutch is arranged on the square shaft corresponding to the first clutch, a first meshing part is arranged at one end of the first clutch, and a second meshing part corresponding to the first meshing part is arranged at one end of the second clutch; the second clutch with be provided with stop gear between the pivot, stop gear includes: a first limiting hole formed in the rotating shaft and a second limiting hole formed in the second clutch piece, wherein wave ball screws are detachably arranged in the first limiting hole and the second limiting hole; set up the holding chamber in the second separation and reunion spare, the holding intracavity is provided with spring mechanism, spring mechanism includes: the gasket and the elastic piece are arranged at one end of the square shaft, the gasket is fixedly arranged at one end of the square shaft, one end of the elastic piece abuts against one side of the gasket, and the other end of the elastic piece is matched with the wave bead screw when the wave bead screw is inserted into the first limiting hole; when the clutch is engaged, the second clutch piece is pushed to enable the wave bead screw to be disengaged from the first limiting hole, the second clutch piece enables the second engaging part to be engaged with the first engaging part under the action of the spring mechanism, the arrangement of the structure can utilize the engagement of the first clutch piece and the second clutch piece to transmit the driving force on the first clutch piece to the second clutch piece and the rotating shaft, the normal use of the clutch is ensured, the arrangement of the spring mechanism and the limiting mechanism enables the second clutch piece to be disengaged or engaged with the first clutch piece, the structure inside is simple, the manufacturing cost is low, the arrangement of the wave bead screw can enable a user to control the wave bead screw so as to control the second clutch piece, and the internal structure is reasonable in arrangement.

Furthermore, two sides of the rotating shaft corresponding to the first clutch piece are provided with retainer ring grooves, an installation part is formed between the retainer ring grooves, and the first clutch piece is rotatably arranged on the installation part; the retainer ring groove is provided with retainer rings, the retainer rings are respectively arranged on two sides of the first clutch part and used for limiting the first clutch part, and the retainer rings and the retainer ring groove are matched for limiting the first clutch part by utilizing the structure, so that the first clutch part can be more stable in working and the work of the clutch is ensured.

Further, the first engaging portion includes: chassis seat and pointed end, the chassis seat is fixed to be set up one side of first separation and reunion piece, most advanced interval evenly sets up one side of chassis seat utilizes first meshing portion with the meshing of second meshing portion is guaranteed first separation and reunion piece can drive the second separation and reunion piece, the chassis seat with most advanced setting can make first separation and reunion piece with the meshing of second separation and reunion piece is laminated more and stable, makes the clutch during operation is more stable, and the structure of meshing portion sets up simply low in manufacturing cost.

Further, the second engaging part and the first engaging part have the same structure; the tip is annularly distributed on one side of the chassis base, and the tip comprises: square portion and sharp head portion, sharp head portion sets up the outside of square portion, be provided with block portion between the square portion, block portion on the first clutch piece when the meshing with most advanced cooperation on the second clutch piece is provided with square portion with sharp head portion utilizes sharp head portion can have spacing water conservancy diversion effect, square portion can make meshing portion carry out the block, guarantees first meshing portion with the meshing of second meshing portion, the space that sets up that block portion can reduce the clutch piece occupies for square portion cooperation is more fastened.

Further, the wave ball screw includes: casing, ripples pearl and spring, the spacing setting of casing is in on the spacing hole of second, the lower extreme of casing supports to lean on the setting and is in the square shaft is epaxial, the ripples pearl passes through the spring sets up in the spring inslot in the casing, the ripples pearl is kept away from the one end in spring groove be in under the effect of spring with first spacing hole cooperation, the spacing setting of casing is in can reduce the space occupation to the clutch on the spacing hole of second, the while utilizes the spring with the setting of ripples pearl is guaranteed the second separation and reunion piece is in the epaxial spacing of square makes the second separation and reunion piece breaks away from can be spacing when first separation and reunion piece is epaxial in the square.

Furthermore, the diameter of the gasket is larger than the length of the square shaft, the gasket is fixedly arranged at one end of the square shaft through a screw, the elastic part is limited, and the elastic effect of the elastic part on the second clutch part is guaranteed.

Furthermore, one end of the second clutch piece is provided with a mounting disc matched with the square shaft, the second meshing part is arranged on the mounting disc, one end of the second clutch piece is provided with a sleeve, the spring mechanism is arranged in the sleeve, and the limiting mechanism is arranged at one end of the sleeve, so that the occupation of the inner space is reduced, and the second clutch piece can be more conveniently mounted on the square shaft.

(III) advantageous effects

Compared with the prior art, the clutch has the advantages that: the clutch work is more stable, meshing and separation operation are convenient, the internal structure sets up rationally, the space occupies for a short time and overall structure is simple, be provided with first separation and reunion spare and second separation and reunion spare, play limiting displacement to the second separation and reunion spare through spring mechanism and stop gear, utilize the ripples pearl screw to make the spacing setting of second separation and reunion spare at the square epaxial, make meshing portion realize meshing and break away from, user operation is simple to use, the application scope of clutch is wide, manufacturing cost is lower.

Drawings

FIG. 1 is a partial perspective view of one clutch of the present invention engaged;

FIG. 2 is a partial perspective view of a clutch of the present invention shown disengaged;

FIG. 3 is an exploded view of a clutch according to the present invention;

FIG. 4 is a cross-sectional view of a clutch of the present invention;

FIG. 5 is a side view of a first clutch member of the clutch of the present invention;

FIG. 6 is a schematic structural view of a first clutch member of the clutch of the present invention;

FIG. 7 is a schematic structural view of a second clutch member of the clutch of the present invention;

wherein: 1 is a rotating shaft, 201 is a first clutch piece, 202 is a second clutch piece, 301 is a first limit hole, 302 is a second limit hole, 4 is a wave ball screw, 5 is a square shaft, 6 is a gasket, 7 is an elastic piece, 801 is a first meshing part, 802 is a first meshing part, 9 is a retainer groove, 10 is a retainer ring, 11 is an installation part, 12 is a chassis seat, 13 is a tip, 14 is a square part, 15 is a tip part, 16 is a clamping part, 17 is a shell, 18 is a wave ball, 19 is a spring, 20 is a spring groove, 21 is a screw, 22 is an installation disc, 23 is a sleeve, and 24 is an accommodating cavity.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.

Referring to fig. 1 to 7, a clutch includes: the clutch comprises a rotating shaft 1, a first clutch 201 and a second clutch 202, wherein one end of the rotating shaft 1 is provided with a square shaft 5, the first clutch 201 is rotationally arranged on the rotating shaft 1, the second clutch 202 is arranged on the square shaft 5 corresponding to the first clutch 201, the second clutch 202 can drive the rotation of the rotating shaft 1 by utilizing the arrangement of the square shaft 5, one end of the first clutch 201 is provided with a first meshing part 801, and one end of the second clutch 202 is provided with a second meshing part 802 corresponding to the first meshing part 801; be provided with stop gear between second clutch 202 and the pivot 1, stop gear includes: a first limit hole 301 formed in the rotating shaft 1 and a second limit hole 302 formed in the second clutch member 202, wherein the first limit hole 301 and the second limit hole 302 are detachably provided with a wave ball screw 4; set up holding chamber 24 in the second clutch 202, be provided with spring mechanism in the holding chamber 24, spring mechanism includes: the gasket 6 and the elastic piece 7 are arranged at one end of the square shaft 5, the gasket 6 is fixedly arranged at one end of the square shaft 5, one end of the elastic piece 7 abuts against one side of the gasket 6, the other end of the elastic piece 7 is matched with the wave ball screw 4 when the wave ball screw 4 is inserted into the first limiting hole 301, the diameter of the gasket 6 is larger than the length of the square shaft 5, and the gasket 6 is fixedly arranged at one end of the square shaft 5 through a screw 21; specifically, the method comprises the following steps: when in engagement, one side of the second clutch part 202 is pushed, so that the wave beads 18 on the wave bead screw 4 are separated from the first limiting hole 301, one end of the elastic part 7 is abutted against the gasket 6, the other end of the elastic part acts on the shell 17 to enable the second clutch part 202 to move towards the first clutch part 201 on the square shaft 5, the first engagement part 801 is engaged with the second engagement part 802, and the first clutch part 201 can further drive the second clutch part 201 and the rotating shaft 1 to rotate; when the clutch is disengaged, the wave beads 18 on the wave bead screws 4 are arranged in the first limit holes 301 in a limiting mode, so that the second clutch part 202 is arranged on the square shaft 5 in a limiting mode, the first clutch part 201 idles, the rotating shaft 1 and the second clutch part 202 stop rotating, the first clutch part 201 and the second clutch part 202 are separated, the whole structure is simple, the manufacturing cost is low, and the operation and the use are simple.

Referring to fig. 3, 4 and 5, the rotating shaft 1 is provided with retainer grooves 9 corresponding to both sides of the first clutch 201, a mounting portion 11 is formed between the retainer grooves 9, and the first clutch 201 is rotatably disposed on the mounting portion 11; be provided with retaining ring 10 on retainer ring groove 9, the both sides that first clutch 201 was arranged in respectively to retaining ring 10 are used for spacing first clutch 201, specific retaining ring 10 is installed on retainer ring groove 9, first clutch 201 is arranged in on installation department 11, utilize retaining ring 10 to play spacing fixed effect to first clutch 201, prevent that first clutch 201 from taking place to remove, make the clutch more stable at the during operation, and the structure sets up simply rationally, the stability of clutch is good.

Referring to fig. 3 to 7, the first engagement portion 801 includes: the chassis base 12 is fixedly arranged on one side of the first clutch piece 201, the tips 13 are annularly distributed on one side of the chassis base 12, the tips 13 are uniformly arranged on one side of the chassis base 12 at intervals, and the second meshing portion 802 and the first meshing portion 801 are identical in structure; the tips 13 are annularly distributed on one side of the chassis base 12, and the tips 13 include: the tip part 15 is arranged on the outer side of the square part 14, the clamping parts 16 are arranged between the square parts 14, the clamping part 16 on the first clutch member 201 is matched with the tip 13 on the second clutch member 202 when being engaged, the square part 14 on the second clutch member 202 is engaged and arranged in the clamping part 16 of the first clutch member 201, the first engaging part 801 and the second engaging part 802 are prevented from being disengaged when the clutch works, and the normal work of the clutch is ensured.

Referring to fig. 4, the wave ball screw 4 includes: casing 17, ripples pearl 18 and spring 19, the spacing setting of casing 17 is on the spacing hole 302 of second, casing 17's lower extreme is supported and is leaned on setting up on square shaft 5, ripples pearl 18 passes through the spring groove 20 of spring 19 setting in casing 17, ripples pearl 18 keeps away from the one end of spring groove 20 and cooperates with first spacing hole 301 under spring 19's effect, ripples pearl 18 can be spacing setting under spring 19's effect on the spacing hole 302 of second, casing 17 sets up and combines ripples pearl 18 to play spacing fixed action to second separation and reunion piece 202 on first spacing hole 301, guarantee that overall structure sets up the rationality.

Referring to fig. 6 and 7, a mounting plate 22 engaged with the square shaft 5 is disposed at one end of the second clutch member 202, the second engaging portion 802 is disposed on the mounting plate 22, a sleeve 23 is disposed at one end of the second clutch member 202, the spring mechanism is disposed in the sleeve 23, the limiting mechanism is disposed at one end of the sleeve 23, and the second clutch member 202 can be engaged with the square shaft 5 by the mounting plate 22, so as to ensure normal use of the clutch.

This embodiment clutch is through being provided with first separation and reunion spare and second separation and reunion spare, play limiting displacement to the second separation and reunion spare through spring mechanism and stop gear, utilize the ripples pearl screw to make the spacing setting of second separation and reunion spare at the square epaxial, make meshing portion realize meshing and break away from, utilize first clutch drive second clutch and pivot to rotate, clutch work is more stable, meshing and the convenient operation that breaks away from, inner structure sets up rationally, the space occupies for a short time and overall structure is simple.

The above is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, it is possible to make several improvements and modifications without departing from the technical principle of the present invention, and these improvements and modifications should also be considered as the protection scope of the present invention.

Claims

1. A clutch, comprising: the clutch comprises a rotating shaft (1), a first clutch piece (201) and a second clutch piece (202), wherein a square shaft (5) is arranged at one end of the rotating shaft (1), the first clutch piece (201) is rotationally arranged on the rotating shaft (1), the second clutch piece (202) is arranged on the square shaft (5) corresponding to the first clutch piece (201), a first meshing portion (801) is arranged at one end of the first clutch piece (201), and a second meshing portion (802) corresponding to the first meshing portion (801) is arranged at one end of the second clutch piece (202); second clutch (202) with be provided with stop gear between pivot (1), stop gear includes: a first limiting hole (301) formed in the rotating shaft (1) and a second limiting hole (302) formed in the second clutch piece (202), wherein a ball screw (4) is detachably arranged on the first limiting hole (301) and the second limiting hole (302); set up holding chamber (24) in second clutch spare (202), be provided with spring mechanism in holding chamber (24), spring mechanism includes: the gasket (6) and the elastic piece (7) are arranged at one end of the square shaft (5), the gasket (6) is fixedly arranged at one end of the square shaft (5), one end of the elastic piece (7) abuts against one side of the gasket (6), and the other end of the elastic piece (7) is matched with the wave bead screw (4) when the wave bead screw (4) is inserted into the first limiting hole (301); when the second clutch piece (202) is meshed, the wave ball screw (4) is separated from the first limiting hole (301) by pushing the second clutch piece (202), and the second meshing part (802) is meshed with the first meshing part (801) under the action of a spring mechanism by the second clutch piece (202).

2. The clutch according to claim 1, characterized in that the rotating shaft (1) is provided with retainer grooves (9) corresponding to two sides of the first clutch member (201), a mounting portion (11) is formed between the retainer grooves (9), and the first clutch member (201) is rotatably arranged on the mounting portion (11); and the retainer ring groove (9) is provided with retainer rings (10), and the retainer rings (11) are respectively arranged on two sides of the first clutch piece (201) and used for limiting the first clutch piece (201).

3. The clutch according to claim 1, wherein the first engaging portion (801) includes: the clutch device comprises a chassis base (12) and tips (13), wherein the chassis base (12) is fixedly arranged on one side of the first clutch piece (201), and the tips (13) are evenly arranged on one side of the chassis base (12) at intervals.

4. The clutch according to claim 3, characterized in that the second engagement portion (802) and the first engagement portion (801) are identical in structure; the tips (13) are annularly distributed on one side of the chassis base (12), and the tips (13) comprise: the clutch comprises square portions (14) and pointed portions (15), wherein the pointed portions (15) are arranged on the outer sides of the square portions (14), clamping portions (16) are arranged between the square portions (14), and the clamping portions (16) on the first clutch piece (201) are matched with pointed ends (13) on the second clutch piece (202) when in meshing.

5. The clutch according to claim 1, characterized in that the wave ball screw (4) comprises: casing (17), ripples pearl (18) and spring (19), the spacing setting of casing (17) is in on the spacing hole of second (302), the lower extreme of casing (17) is supported and is leaned on the setting and is in on square shaft (5), ripples pearl (18) pass through spring (19) set up in spring groove (20) in casing (17), ripples pearl (18) are kept away from the one end of spring groove (20) is in under the effect of spring (19) with first spacing hole (301) cooperation.

6. Clutch according to claim 5, wherein the diameter of the washer (6) is greater than the length of the square shaft (5), the washer (6) being fixedly arranged at one end of the square shaft (5) by means of a screw (21).

7. The clutch according to claim 1, characterized in that one end of the second clutch member (202) is provided with a mounting plate (22) that engages with the square shaft (5), and the second engaging portion (802) is provided on the mounting plate (22).

8. A clutch according to claim 1, characterised in that one end of the second clutch member (202) is provided with a sleeve (23), the spring means being disposed within the sleeve (23), and the stop means being disposed at one end of the sleeve (23).