CN2581127Y - Vibration damper for pneumatic tool - Google Patents
Vibration damper for pneumatic tool Download PDFInfo
- Publication number
- CN2581127Y CN2581127Y CN 02284663 CN02284663U CN2581127Y CN 2581127 Y CN2581127 Y CN 2581127Y CN 02284663 CN02284663 CN 02284663 CN 02284663 U CN02284663 U CN 02284663U CN 2581127 Y CN2581127 Y CN 2581127Y
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- CN
- China
- Prior art keywords
- spring coil
- solid portion
- damper cylinder
- damping device
- air tool
- 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 - Lifetime
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Abstract
The utility model relates to a damping device for a pneumatic tool, which can be used by an impact unit of the pneumatic tool. The damping device comprises a body and a damping cylinder arranged on the body, wherein, the impact unit is fixedly arranged in the damping cylinder, the body has a containing hole provided with the damping cylinder, the inner and the outer sides of the body are respectively provided with a first fixed part and a second fixed part, the damping cylinder has a cylinder body which can be movably inserted and arranged in the containing hole of the body, both ends of the cylinder body are respectively and integrally connected with a first spring coil and a second spring coil, and the outer side ends of the first spring coil and the second spring coil are respectively provided with a fixed part and a second fixed part which are respectively fixed with the first and the second fixed parts of the body. When the impact unit carries out reciprocating action, one of the first spring coil and the second spring coil of the damping cylinder is compressed, and the other is stretched, and effective damping effect is achieved.
Description
Technical field
The utility model relates to pneumatic tool, is meant a kind of air tool damping device that is used in especially.
Background technology
Known pneumatic tool, especially pneumatic reciprocating motion type instrument, the vibrations that its impact unit effect produces are big, but do not have good cushioning effect, and user's hand comes to harm easily during work.
Therefore, promptly have various design and the products that slow down vibrations to occur one after another on the market, yet its structure is nothing more than members such as use coil springs, the effect of its damping is unsatisfactory, coefficient of elasticity is difficult for grasping, and because the factor of high-frequency vibration, this class A of geometric unitA is very easy to damage and takes normal replacing.
The utility model content
Main purpose of the present utility model is to provide a kind of air tool damping device, can effectively reduce impact endurance test shock power.
An of the present utility model purpose is to provide a kind of air tool damping device, can conveniently make up and dismantle its member.
A purpose more of the present utility model is to provide a kind of air tool damping device, installs firm, durable.
For achieving the above object, the utility model provides a kind of air tool damping device, can use for an air tool impact unit damping, includes:
One body has an installing department, one first holds the hole, a containing hole and one second holds the hole and is opened in this installing department in regular turn, and one first solid portion is located at this first bottom side of holding the hole, and one second solid portion is located at this and second holds the hole;
One damper cylinder, be used to install impact unit, this damper cylinder has the movable containing hole that is inserted in this body of a stack shell, two ends of this stack shell are connected with one first spring coil, one second spring coil respectively, the outboard end of this first spring coil, second spring coil is the one first solid portion that is respectively equipped with and one second solid portion, this first solid portion combines with the first solid portion of this body to fix, and this second solid portion combines fixing with the second solid portion of this body; First spring coil of this damper cylinder and second spring coil, another was stretched when one of them was compressed.
When this impact unit reciprocating action, one of them is compressed first spring coil of this damper cylinder and second spring coil and another is stretched, and therefore can reach effective cushioning effect.
Best, be provided with at least one sealing ring between the containing hole of this body and the stack shell of this damper cylinder, airtight effect is provided.
In addition, the first solid portion of first of this body solid portion, the second solid portion and this damper cylinder, the second solid portion are screw thread.Wherein first of first of this damper cylinder solid portion and body consolidates portion, and the shape of both screw threads can screw togather mutually; Wherein second of second of this damper cylinder solid portion and body consolidates portion, and the shape of both screw threads can screw togather mutually.
Described air tool damping device, it more includes a protecgulum, has a lid and a Fixed Division, is fixedly arranged on this body, and other has a perforating to be arranged in protecgulum, wears for this impact unit.Wherein this protecgulum forms one and supports portion, for the second solid portion of fastening this damper cylinder.Wherein second of this damper cylinder solid portion is a flange, and this body is formed with one to portion, supplies the flange of this damper cylinder to abut against, and both abut against together.
Described air tool damping device, wherein the stack shell of this damper cylinder, first spring coil and second spring coil are the structures that is one of the forming.
Described air tool damping device, wherein the stack shell of this damper cylinder, first spring coil and second spring coil are the structures of assembling type.
Described air tool damping device, wherein this damper cylinder has screw thread, screws togather installing for this impact unit.
By above embodiment explanation, it is as follows to conclude characteristics of the present utility model:
1. the air tool damping device of the utility model, the effect of its damper cylinder can be reached the shock-absorbing function of two-way and multiple simultaneously.
2. the air tool damping device of the utility model, its damper cylinder and main body structure are simple and easy, and combination and change equal tool convenience.
3. the air tool damping device of the utility model, the combination of its damper cylinder and action can provide preferable durability and durability.
Description of drawings
Fig. 1 is the side-looking combination section of the utility model one preferred embodiment;
Fig. 2 is the side cutaway view of the utility model one preferred embodiment body;
Fig. 3 is the side cutaway view of the utility model one preferred embodiment damper cylinder;
Fig. 4 is the side cutaway view of the utility model one preferred embodiment protecgulum;
Fig. 5 is the side-looking combination section of another preferred embodiment of the utility model;
Fig. 6 is the plane exploded view of another preferred embodiment main member of the utility model;
Fig. 7 is the side cutaway view of another structure of the utility model damper cylinder;
Fig. 8 is the utility model damper cylinder side cutaway view of a structure again.
The specific embodiment
By making explanation characteristics of the present utility model and being reached effect, lift following preferred embodiment and conjunction with figs. and be described as follows.
See also Fig. 1, the utility model one preferred embodiment provides air tool damping device, can use as damping for an impact unit 8, makes to slow down hand is produced shaking force.
Fig. 2 is to shown in Figure 4 for another example, and this damping device includes:
One body 10, has an installing department 11, one grip part 12 connects this installing department 11, one first hold hole 13, a containing hole 14 and one second holds hole 15 and is opened in this installing department 11 in regular turn, an one seal ring ditch 141 and a channeling 142 are located on this containing hole 14 precalculated positions, one first solid portion 16 is to be a screw in present embodiment, be located at this and first hold an end in hole 13, the two is to be same screw in present embodiment for one second a solid portion 17 and a solid cap 18, be located at this and second hold hole 15 opening parts, an airway 19 passes to this channeling 142 by these 12 bottoms, grip part.
Wherein, the seal ring ditch 141 of this body 10 is equiped with a sealing ring 41, so that airtight effect to be provided.
One damper cylinder 20, have a stack shell 21 movable containing holes 14 that are inserted in this body 10, the periphery of this stack shell 21 is the sealings that are subjected to sealing ring 41, one air chamber 22 is opened in this stack shell 21 and communicates spiral shell fixed close of a screw 23 for this impact unit 8, and some passages 24 are passed to the channeling 142 of this body 10 by this air chamber 22, these stack shell 21 2 sides one respectively connect that to establish one first spring coil 25 and one second spring coil 26 and its outboard end be the one first solid portion 27 and the second solid portion 28 that respectively is provided with screw thread, and the first solid portion 16 of its first solid portion 27 and this body 10 screws togather to connect and establishes.
One protecgulum 30, have a lid 31, and but a Fixed Division 32 be the screw shaped spiral shell be located at solid cap 18, one perforatings 36 of this body 10 can be for the wearing of this impact unit 8, one supports the second solid portion, 28 1 ends that portion 37 can corresponding abut against second spring coil 26 of this damper cylinder 20, and a circular groove 38.
The circular groove 38 of this protecgulum 30 is to be equiped with another sealing ring 42.
One first packing ring 51 is installed between stack shell 21 bottoms of the containing hole 14 of this body 10 and this damper cylinder 20, and one second packing ring is installed in second of this body 10 and holds between second spring coil, 26 bottoms of hole 15 and this damper cylinder 20, with the buffering when needing.
The operation of present embodiment and action situation are described as follows:
During combination, earlier this damper cylinder 20 is inserted into first of this body 10 with its first spring coil, 25 ends and holds hole 13, and first 27, the second solid portion 28 of solid portion of this damper cylinder 20 is fixed at first 16, the second solid portion 17 of solid portion of this body 10 respectively; When combination is finished, the containing hole 14 of promptly corresponding this body 10 of sealing of sealing ring 41, and channeling 142 correspondences of this body 10 can pass to each passage 24 of this damper cylinder 20, second spring coil 26 of this damper cylinder 20 is positioned at second of this body 10 and holds hole 15.
Between first spring coil, 25 each circle of this damper cylinder 20 is to form a distance P 1, then forms a distance P 2 between its second spring coil, 26 each circles.
One of its operating state, this impact unit 8 is subjected to the effect of pneumatic supply, and affects this damper cylinder 20 to shake displacement together forward, because change in location is little, therefore figure expression no longer in addition.Yet, promptly be subjected to the stretcher strain resistance of this first spring coil 25 simultaneously, promptly this distance P 1 becomes big; And the resistance to compression of this second spring coil 26, promptly this distance P 2 diminishes; The shock-damping structure that its damper cylinder 20 is two-way makes this combination move the vibrations that are delivered to this body 10 forward and greatly reduces, and produces good shock-proof effect.
During rightabout, promptly this impact unit 8 is tight against or when drawing back, also will produce a great strength in this damper cylinder 20, yet, by the resistance to compression of this first spring coil 25 of the utility model, promptly this distance P 1 diminishes, and the stretcher strain resistance of this second spring coil 26, promptly this distance P 2 becomes big, and the vibrations that this combination is moved backward reduce.
Therefore, damping device of the present utility model constantly produces under the situation of reciprocating action back and forth in this impact unit 8, can make the shock-proof effect that reaches best, and it is little a lot of that the user grips the vibrations of feeling when using.
Another preferred embodiment of the present utility model, identical substantially as Fig. 5 and shown in Figure 6 with last embodiment, include a body 10A, a damper cylinder 20A and a protecgulum 30A equally, wherein:
First of this body 10A holds hole, containing hole and second, and to hold the hole be the aperture that slightly becomes with size, is big and be formed with one and support the 17A of portion and therefore seem not have hole of offset picture, its solid cap 18A screw internal diameter.
This damper cylinder 20A, each external diameter of its stack shell, first spring coil and second spring coil is also roughly the same, other difference is to offer two seal ring ditch 29A for two sealing rings of installing, second of this damper cylinder 20A solid 28A of portion is a flange in addition, without screw thread, and can be butted on this body 10A support the 17A of portion.In addition, this damper cylinder 20A has an inner hexagonal hole 251A in the inside of this first spring coil, plugs to make and screws togather this damper cylinder 20A and be fixed in this body 10A and can be provided with spanner.
This protecgulum 30A screws togather the solid cap that lock onto this body equally, and it has one and supports the 37A of portion, the supporting between the 17A of portion of this body 10A, promptly realizes locking for the second solid 28A of portion of fastening this damper cylinder 20A.
Present embodiment is with slightly different structural designs, and reaches the purpose of this utility model and effect equally, is intended to illustrate that practical range of the present utility model does not limit the identical structure of previous embodiment, and the application of its equivalence also belongs to category of the present utility model.
And as shown in Figure 7, first spring coil 25B of this damper cylinder or the section of the second spring coil 26B are also can be rounded; And the mode of its processing except that can turning the processing, can be cast, moulding such as lost wax casting in addition.
Perhaps, as shown in Figure 8, the stack shell 21C of this damper cylinder, the first spring coil 25C and the second spring coil 26C are the member that separates, and screw togather affixed combination mutually with screw thread, and form the structure of one equally; In addition, perhaps can be without the screw thread combination, and directly with various juncture combinations, as welding, riveted joint or the like.
The structure that the utility model is other also can not include the sealing ring between the stack shell of the containing hole of being located at this body and this damper cylinder, but directly air guide and is reached the purpose of this utility model equally to this impact unit.
In addition, body of the present utility model is to can be one with the handle separating member and kenel capable of being combined (figure does not show), and can realize cooperating multiple different handle, and provides this body to be added the convenience in man-hour by toolroom machines such as lathes.
Claims (10)
1. an air tool damping device can use for an air tool impact unit damping, it is characterized in that: include:
One body has an installing department, one first holds the hole, a containing hole and one second holds the hole and is opened in this installing department in regular turn, and one first solid portion is located at this first bottom side of holding the hole, and one second solid portion is located at this and second holds the hole;
One damper cylinder, has the movable containing hole that is inserted in this body of a stack shell, two ends of this stack shell are connected with one first spring coil, one second spring coil respectively, the outboard end of this first spring coil, second spring coil is the one first solid portion that is respectively equipped with and one second solid portion, this first solid portion combines with the first solid portion of this body to fix, and this second solid portion combines fixing with the second solid portion of this body.
2, according to the described air tool damping device of claim 1, it is characterized in that: wherein first of this damper cylinder solid portion is a screw thread, and the first solid portion of this body also is a screw thread, and the shape of both screw threads can screw togather mutually.
3, according to the described air tool damping device of claim 1, it is characterized in that: wherein second of this damper cylinder solid portion is a screw thread, and the second solid portion of this body also is a screw thread, and the shape of both screw threads can screw togather mutually.
4, according to the described air tool damping device of claim 1, it is characterized in that: it more includes a protecgulum, has a lid and a Fixed Division, is fixedly arranged on this body, and other has a perforating to be arranged in protecgulum.
5, according to the described air tool damping device of claim 4, it is characterized in that: wherein this protecgulum is formed with one to portion.
6, according to the described air tool damping device of claim 5, it is characterized in that: wherein second of this damper cylinder solid portion is a flange, and this body is formed with one to portion, and both abut against together.
7, according to the described air tool damping device of claim 1, it is characterized in that: wherein the stack shell of this damper cylinder, first spring coil and second spring coil are the structures that is one of the forming.
8, according to the described air tool damping device of claim 1, it is characterized in that: wherein the stack shell of this damper cylinder, first spring coil and second spring coil are the structures of assembling type.
9, according to the described air tool damping device of claim 1, it is characterized in that: it more includes at least one sealing ring, is located between the stack shell of the containing hole of this body and this damper cylinder.
10, according to the described air tool damping device of claim 1, it is characterized in that: wherein this damper cylinder has screw thread.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284663 CN2581127Y (en) | 2002-11-18 | 2002-11-18 | Vibration damper for pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 02284663 CN2581127Y (en) | 2002-11-18 | 2002-11-18 | Vibration damper for pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2581127Y true CN2581127Y (en) | 2003-10-22 |
Family
ID=33745910
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 02284663 Expired - Lifetime CN2581127Y (en) | 2002-11-18 | 2002-11-18 | Vibration damper for pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2581127Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462488C (en) * | 2004-06-23 | 2009-02-18 | 倪远 | Condensation and condenser for tight spinning whisker |
| CN101484279B (en) * | 2006-07-20 | 2011-01-12 | 日立工机株式会社 | Power tool |
| CN101804617B (en) * | 2008-12-09 | 2014-05-21 | Sp空气株式会社 | Hammer with vibration reduction mechanism |
-
2002
- 2002-11-18 CN CN 02284663 patent/CN2581127Y/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100462488C (en) * | 2004-06-23 | 2009-02-18 | 倪远 | Condensation and condenser for tight spinning whisker |
| CN101484279B (en) * | 2006-07-20 | 2011-01-12 | 日立工机株式会社 | Power tool |
| CN101804617B (en) * | 2008-12-09 | 2014-05-21 | Sp空气株式会社 | Hammer with vibration reduction mechanism |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: ZUANQUAN INDUSTRY CO., LTD. Free format text: FORMER OWNER: CHEN XIURU Effective date: 20041029 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20041029 Address after: No. 36, No. 24, industrial zone, Taichung City, Taiwan Patentee after: Drill all Industrial Company Limited Address before: Taichung City, Taiwan Province Patentee before: Chen Xiuru |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: PATENTEE; FROM: ZUANQUAN INDUSTRY CO., LTD. TO: ZHUANQUAN INDUSTRIAL STOCK CO., LTD. |
|
| CU01 | Correction of utility model patent |
Correction item: Patentee Correct: BASSO INDUSTRY CORP. False: Drill all Industrial Company Limited Number: 49 Page: The title page Volume: 20 |
|
| CU03 | Correction of utility model patent gazette |
Correction item: Patentee Correct: BASSO INDUSTRY CORP. False: Drill all Industrial Company Limited Number: 49 Volume: 20 |
|
| ERR | Gazette correction |
Free format text: CORRECT: PATENTEE; FROM: ZUANQUAN INDUSTRY CO., LTD. TO: ZHUANQUAN INDUSTRIAL STOCK CO., LTD. |
|
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20060426 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |