CN202354105U - Gardening tool braking device - Google Patents
Gardening tool braking device Download PDFInfo
- Publication number
- CN202354105U CN202354105U CN2011204448184U CN201120444818U CN202354105U CN 202354105 U CN202354105 U CN 202354105U CN 2011204448184 U CN2011204448184 U CN 2011204448184U CN 201120444818 U CN201120444818 U CN 201120444818U CN 202354105 U CN202354105 U CN 202354105U
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- CN
- China
- Prior art keywords
- braking member
- brake device
- rotating disk
- boss
- braking
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model discloses a gardening tool braking device which comprises a motor, a working shaft, a turntable, a first braking element and a second braking element, wherein the motor is used for providing the driving power, the working shaft is provided with a cutter, the turntable is connected with the working shaft, the first braking element is fixed on the turntable, the second braking element is fixed on a gardening toll base, the first braking element comprises a clamping arm and an elastic arm which are integrally formed, and the elastic arm can enable the clamping arm to be clamped with or separated from the second braking element, thereby realizing the effects of quick braking, simplifying the structure and reducing the cost.
Description
Technical field
The utility model relates to braking device for garden tool.
Background technology
Garden instrument is after power source is cut off, and its working shaft can not stop owing to inertia very soon, but the device that has some that specific (special) requirements is arranged, after power source was cut off, the blade that is installed on the working shaft can stop operating fast like the mower requirement.For this reason, the present brake device that adopts has deceleration of electrons device and mechanical brake device.Wherein, the electronic component in the deceleration of electrons device is in case " killing " phenomenon will take place in inefficacy, and causes motor is decreased and changed; And but present disclosed mechanical brake device comprises the phase mutual friction and the brake block realizing braking and brake disc and brake block is contacted or leave the spring of brake disc; This kind mode is complex structure, manufacturing cost height not only; And As time goes on spring force can diminish, and loses efficacy at last.So, need a kind of improved brake device to address the above problem.
The utility model content
The purpose of the utility model be to provide a kind of simple in structure, cost is lower and the braking device for garden tool of good braking effect.
To achieve these goals; The utility model adopts following technical scheme: a kind of brake device of garden tools; Comprise the motor that driving force is provided, the working shaft of mounting cutter and the rotating disk that links to each other with this working shaft; This brake device is installed on the base of said garden instrument; This brake device also comprises first braking member that is fixed in said rotating disk and second braking member that is fixed in said base, and said first braking member comprises integrated clamping limb and elastic arm, and this elastic arm can make clamping limb and second braking member clamp or separates.
Said first braking member comprises the holding parts that is fixed in said rotating disk, and said elastic arm two ends connect this holding parts and said clamping limb respectively, and the wide arm less than clamping limb of the arm of elastic arm is wide.
Said first braking member comprises a pair of elastic arm and a pair of clamping limb that is positioned at the holding parts both sides, and is provided with for breaking off between two clamping limbs.
Said rotating disk comprises circular host cavity and forms the diapire and the ring wall of this host cavity, and said diapire is provided with boss, and the holding parts of said first braking member places on this boss, and in the corresponding locating hole that inserts on the holding parts of the reference column on the boss.
Said second braking member comprises and stretches into annular sidewall in the said rotating disk host cavity; Said first braking member comprise the outer shroud relative with the ring wall of rotating disk and with the relative interior ring of annular sidewall of second braking member, be located on the said clamping limb in this and can be meshed with said annular sidewall.
Leave the gap between the ring wall of said first braking member and rotating disk.
This brake device comprises two symmetrically arranged first braking members, and this two first braking member space on perpendicular to the diapire direction of said rotating disk is provided with.
Said rotating disk is provided with the boss that matches with said two first braking members on its diametric(al), and its
In the distance of the said diapire of boss distance be higher than the distance of another boss apart from diapire.
The holding parts of said first braking member is provided with recess, and said boss protrudes out and this recess fixture block of buckle mutually from its table top.
Said base also comprises a bracing frame, and said second braking member is fixed on this bracing frame.
Compared with prior art, the utility model brake device is when machine operation, and the suffered centrifugal force of the clamping limb of first braking member separates with second braking member greater than the elastic arm elastic force; When motor quits work; The suffered centrifugal force of clamping limb is held the state of second braking member tightly thereby clamping limb is returned back to, and then is reached the effect of fast braking gradually less than the elastic force of elastic arm; First braking member of the utility model brake device can be realized separating with being clamped in of second braking member; And need not to be provided with other flexible members such as spring, therefore can play the effect of simplified structure and linkage editor, and reach the effect that reduces manufacturing cost.
Description of drawings
Fig. 1 is the stereogram of the utility model brake device.
Fig. 2 is along the cutaway view of A-A among Fig. 1.
Fig. 3 is the exploded view of the subelement of the utility model brake device.
Fig. 4 is first brake device of the utility model brake device and the assembly drawing of rotating disk-output shaft assembly.
Embodiment
Ginseng Fig. 1 and shown in Figure 2; The utility model brake application is on a mower (not shown) in this embodiment; And this brake device is installed on the base (not shown) of mower, and bracing frame 1 is fixed in base, therefore can this bracing frame 1 be regarded as the part of base.Brake device comprise the motor 2 that is installed on this bracing frame 1, and the armature shaft 21 of motor 2 between through belt 3 transmissions rotating disk 4, be installed on this rotating disk 4 first braking member 5, be installed on second braking member 6 of bracing frame 1 and with rotating disk 4 Joints and be installed on the working shaft 7 of bracing frame 1, cutter (not shown) be installed on this working shaft 7.
Ginseng Fig. 2,3, bracing frame 1 comprises two installation portions 11,12 of adjacent setting, and wherein motor 2 is installed in first installing hole 111 on first installation portion 11, and 7 of said working shafts pass second installing hole 121 of second installation portion 12.Second installation portion 12 is provided with supporting walls 122 and is positioned at the circular cavity 123 of these supporting walls 122 belows, and said rotating disk 4, first, second braking member 5,6 all are located in this cavity 123.
Ginseng Fig. 2,3; For ease of assembling; Are integrated sub-assemblies at the utility model turntable 4 with working shaft 7, and rotating disk 4 is and said cavity 123 corresponding circular disk body that it comprises the host cavity 41 that an opening makes progress and the diapire that forms this host cavity 41 42 and ring wall 43.The diapire 42 of rotating disk 4 is respectively equipped with the boss 44 that links to each other with ring wall 43 at its diametric two ends; This two boss 44 matches with said two first braking members 5 respectively, and wherein a boss 44 is higher than the distance of another boss apart from diapire apart from the distance of diapire 42.
Be provided with two first braking members 5 altogether in ginseng Fig. 2,3 embodiments; This two first braking member 5 be located in the said host cavity 41 and with symmetrical pattern respectively correspondence be placed on said two boss 44; Because the height of two boss 44 is unequal, therefore to accomplish the back be the interval setting at above-below direction to 5 assemblings of two first braking members.First braking member 5 is for having Metal Flake of better frictional behaviour; Shape roughly is annular; It comprises with the holding parts 51 of said boss 44 Joints, the circumferential elastic arm that extends 52 in these holding parts 51 two ends reaches and between clamping limb 53, two clamping limbs 53 of the circumferential extension of this elastic arm 52 continuation, is the disconnection setting certainly.Said holding parts 51, elastic arm 52 are formed in one with clamping limb 53.Said holding parts 51 is provided with a locating hole 511, and reference column 45 correspondences set on the boss 44 are inserted in these locating holes 511, by screw connectors such as (not shown) first braking member 5 are fixed in rotating disk 4 then.The holding parts 51 of first braking member 5 is provided with both sides and the opening recess 512 outwardly that is positioned at said locating hole 511; Boss 44 from its table top protrude out two with this two recess 512 fixture block 46 of buckle mutually, thereby prevent that first braking member 5 from taking place circumferentially to move with respect to rotating disk 4.
Ginseng Fig. 2 is to shown in Figure 4; Second braking member 6 is processed by the bigger material of coefficient of friction; It is with said rotating disk 4 concentric and diameter less than the annular solid of rotating disk 4; It comprises roof 61 and the annular sidewall 62 in this roof 61 extends down into rotating disk 4 host cavities 41 on the supporting walls 122 that is fixed in support frame as described above 1, and this annular sidewall 62 has the outer ring surface 621 relative with the ring wall of rotating disk 4 43.Said roof 61 is provided with through hole 611 and the some locating holes 612 that supplies said working shaft 7 to pass, and some screws 100 pass the mating holes (not label) on this locating hole 612 and the bracing frame 1 and second braking member 6 is fixed on the bracing frame 1.Said first braking member 5 is located between second braking member 6 and the rotating disk 4, and first braking member 5 has outer shrouds 54 and with the second braking member relative interior ring 55 relative with the ring wall of rotating disk 4 43, encircles 55 in wherein to be located on the said clamping limb 53.
During assembling; At first first braking member 5 and second braking member 6 are assembled in respectively on rotating disk 4 and the bracing frame 1; Again these two component groups are fitted together; Second braking member 6 is snapped in first braking member 5, and promptly the clamping limb 53 of first braking member 5 is clamped on the outer ring surface 621 of second braking member 6; Then bearing 101,102 is enclosed within the two ends of working shaft 7, a packing ring 103 is placed in working shaft 7 upper ends and is affixed on the bearing 101, goes here and there moving up and down to prevent working shaft 7; Secondly bearing cap 104 is assembled on the bracing frame 1, links to each other through screw 105 between this bearing cap 104 and the bracing frame 1; Then motor 2 is installed on bracing frame 1, simultaneously belt 3 is placed on armature shaft 21 and the rotating disk 4; At last a bottom (not shown) is installed on bracing frame 1 bottom, thereby parts such as rotating disk 4 and first, second braking member 5,6 are contained between bottom and the bracing frame 1 in the formed host cavity together.。
Friction can take place and realize braking in the clamping limb 53 of first braking member 5 with second braking member 6 in the utility model; And elastic arm 52 can realize between clamping limb 53 and second braking member 6 clamping with separate; That is to say that first braking member 5 has the function of brake block and two kinds of elements of spring in the background technology concurrently, therefore the setting of first braking member 5 effect that has tangible simplified structure, reduce cost.In addition, because first braking member is the bigger metalwork of volume, therefore there is not the problem of elasticity decline in the background technology yet.
It more than is the preferred implementation of the utility model; All employings are equal to or the technical scheme that mode obtained of equivalent transformation; All should be within the protection domain of the utility model; Be applicable to also that like the utility model working shaft 7 and armature shaft 21 can be the situation of same axle, this situation lower rotary table 4, first, second braking member 5,6 are placed on the armature shaft 21, and need not to be provided with belt 3 and 1 two elements of bracing frame; Second braking member 6 is directly fixed on the base, and this kind embodiment has braking effect preferably equally.
Claims (10)
1. brake device of garden tools; Comprise the motor that driving force is provided, the working shaft of mounting cutter and the rotating disk that links to each other with this working shaft; This brake device is installed on the base of said garden instrument; It is characterized in that: this brake device also comprises first braking member that is fixed in said rotating disk and second braking member that is fixed in said base, and said first braking member comprises integrated clamping limb and elastic arm, and this elastic arm can make clamping limb and second braking member clamp or separates.
2. brake device as claimed in claim 1 is characterized in that: said first braking member comprises the holding parts that is fixed in said rotating disk, and said elastic arm two ends connect this holding parts and said clamping limb respectively, and the wide arm less than clamping limb of the arm of elastic arm is wide.
3. brake device as claimed in claim 2 is characterized in that: said first braking member comprises a pair of elastic arm and a pair of clamping limb that is positioned at the holding parts both sides, and is provided with for breaking off between two clamping limbs.
4. brake device as claimed in claim 3; It is characterized in that: said rotating disk comprises circular host cavity and forms the diapire and the ring wall of this host cavity; Said diapire is provided with boss; The holding parts of said first braking member places on this boss, and in the corresponding locating hole that inserts on the holding parts of the reference column on the boss.
5. brake device as claimed in claim 4; It is characterized in that: said second braking member comprises and stretches into annular sidewall in the said rotating disk host cavity; Said first braking member comprise the outer shroud relative with the ring wall of rotating disk and with the relative interior ring of annular sidewall of second braking member, be located on the said clamping limb in this and can be meshed with said annular sidewall.
6. brake device as claimed in claim 4 is characterized in that: leave the gap between the ring wall of said first braking member and rotating disk.
7. brake device as claimed in claim 4 is characterized in that: this brake device comprises two symmetrically arranged first braking members, and this two first braking member space on perpendicular to the diapire direction of said rotating disk is provided with.
8. brake device as claimed in claim 7 is characterized in that: said rotating disk is provided with the boss that matches with said two first braking members on its diametric(al), and wherein the distance of the said diapire of boss distance is higher than the distance of another boss apart from diapire.
9. like each described brake device of claim 4 to 8, it is characterized in that: the holding parts of said first braking member is provided with recess, and said boss protrudes out and this recess fixture block of buckle mutually from its table top.
10. like each described brake device of claim 4 to 8, it is characterized in that: said base also comprises a bracing frame, and said second braking member is fixed on this bracing frame.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204448184U CN202354105U (en) | 2011-11-10 | 2011-11-10 | Gardening tool braking device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011204448184U CN202354105U (en) | 2011-11-10 | 2011-11-10 | Gardening tool braking device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202354105U true CN202354105U (en) | 2012-08-01 |
Family
ID=46565332
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011204448184U Expired - Fee Related CN202354105U (en) | 2011-11-10 | 2011-11-10 | Gardening tool braking device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202354105U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414106A (en) * | 2017-08-11 | 2017-12-01 | 安徽聚合自动化工程有限公司 | A kind of mainshaft mechanism of new digital-control boring-milling machine |
| CN107869537A (en) * | 2017-10-11 | 2018-04-03 | 永康市宏跃动力机械有限公司 | A kind of cutter shaft drive mechanism for possessing reverse direction brake function |
-
2011
- 2011-11-10 CN CN2011204448184U patent/CN202354105U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107414106A (en) * | 2017-08-11 | 2017-12-01 | 安徽聚合自动化工程有限公司 | A kind of mainshaft mechanism of new digital-control boring-milling machine |
| CN107869537A (en) * | 2017-10-11 | 2018-04-03 | 永康市宏跃动力机械有限公司 | A kind of cutter shaft drive mechanism for possessing reverse direction brake function |
| CN107869537B (en) * | 2017-10-11 | 2019-07-16 | 浙江派赛特动力机械有限公司 | A kind of cutter shaft drive mechanism having reverse direction brake function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20120801 Termination date: 20201110 |