CN201032021Y - Universal joint of pneumatic tool - Google Patents
Universal joint of pneumatic tool Download PDFInfo
- Publication number
- CN201032021Y CN201032021Y CNU200720140887XU CN200720140887U CN201032021Y CN 201032021 Y CN201032021 Y CN 201032021Y CN U200720140887X U CNU200720140887X U CN U200720140887XU CN 200720140887 U CN200720140887 U CN 200720140887U CN 201032021 Y CN201032021 Y CN 201032021Y
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- CN
- China
- Prior art keywords
- connecting piece
- extending end
- pipe part
- universal joint
- convex pipe
- 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 universal joint of a pneumatic tool, which is designed in order to solve the problem in the prior universal joint that the adjustment is not convenient and smooth. The universal joint of the pneumatic tool comprises a first assembled jointing part, a pivot jointing part and a second assembled jointing part. A slot is arranged inside the first assembled jointing part through the expanding end of the first assembled jointing part; and besides, a pressure-adjusting unit is arranged in the slot; when the universal joint is used, the first assembled jointing part of the universal joint is a fixed part combined with the pneumatic tool, so the pressure-adjusting unit arranged inside the expanding end of the first assembled jointing part can obtain much more stable assembling state; in this way, the pressure-adjustment can be more stable and is much easier to be operated.
Description
Technical field
The utility model relates to a kind of pneumatic tool, particularly the structure of used universal joint on the pneumatic tool.
Background technique
Owing to just cooperate between traditional, pneumatic instrument and the pneumatic circuit by the mutual sleeve of pin and box sub, so that if pneumatic tool is in the use when needing translation-angle or position, the pneumatic tube Louis produces tortuous distortion phenomenon and influences air feed, and produce pneumatic tool and control the problem of smoothness, so there is the Professional visitors to develop a kind of universal joints structure (also claiming multidirectional swivel) to adapt to the demand.
Air tool universal joint has had multiple structure at present, its relevant patent of having applied for is as follows: letters patent book number is the Taiwan patent of M268147: can adjust the joint group of air-flow and multidirectional rotation, and the Taiwan patent of letters patent book number M290958: the joint group that can adjust air-flow and multidirectional rotation; Still there are the following problems on the structural design of these existing universal joints:
Universal joint group usually is provided with the regulating the qi flowing in the channels assembly, the regulating the qi flowing in the channels assembly is the flow size that is used for regulating air feed, the general group of the regulating the qi flowing in the channels assembly of existing universal joint recited above is located at its rotating component one end, because this rotating component is to be in unstable state free to rotate, so, when the people wants to carry out the adjustment operation of this regulating the qi flowing in the channels assembly, often cause and adjust inconvenience, have some setbacks because of the unstable state of this rotating component.
Use upward existing problem at above-mentioned existing air tool universal joint, how to develop a kind of innovation structure that has more desirable practicability, real is that relevant Professional visitors is thought target and the direction that breaks through again.
The model utility content
The purpose of this utility model is to provide a kind of air tool universal joint, so that the adjustment of regulating the qi flowing in the channels assembly is more convenient to operate, smooth and easy.
For achieving the above object, the utility model adopts following technological scheme: this air tool universal joint comprises first connecting piece, driving piece, second connecting piece, pressure regulation group;
This first connecting piece comprises a pneumatic tool connection terminal and an extending end away from this pneumatic tool connection terminal, and the inside of this first connecting piece is provided with first flow, and its extending end sidewall is provided with first and wears pore and communicate with this first flow;
This driving piece one end comprises and always wears the hole, this runs through the extending end that the trepanning pivot is placed in first connecting piece, the restricted locating piece that runs through trepanning and extending end relative position of this extending end assembly, one side of driving piece is provided with a convex pipe part, be provided with second runner in this convex pipe part, one end of this second runner communicates with running through trepanning, and wears the corresponding connection of pore with first of the first connecting piece extending end, and this convex pipe part sidewall is provided with second and wears pore and communicate with its second runner;
This second connecting piece, one end comprises a sleeve, this sleeve pivot is placed in the convex pipe part of driving piece, the align member of restricted sleeve of this convex pipe part assembly and convex pipe part relative position, the other end of this second connecting piece is provided with a pipeline group connecting part, be provided with the 3rd runner in this pipeline group connecting part, one end of the 3rd runner communicates with running through sleeve, and wears the corresponding connection of pore with second of driving piece convex pipe part;
The extending end inside of described first connecting piece is provided with tank, this tank is inner to communicate with first flow, the uncovered end of being located at this extending end of tank, described pressure regulation group is mounted in this tank, described pressure regulation group comprises a movable main body, this main body one end is provided with the close portion of ending, and this close portion's control first flow and first that ends is worn keying and the flow that is communicated with between the pore, and the main body the other end is provided with the portion that controls of this main body advance and retreat displacement of regulation and control.
By the described air tool universal joint of technique scheme, it mainly is that extending end inside by first connecting piece is provided with tank, and pressure regulation is mounted in this tank, like this, because when universal joint uses, its first connecting piece can obtain the most stable assembled state for being combined on the air tool fixed component so be mounted on the pressure regulation group of this first connecting piece extending end inside, so stable more and operation easily when carrying out pressure regulation.Simultaneously, this pressure regulation is mounted on the structure of tank, also make be connected with group between this driving piece and first connecting piece and second connecting piece and the driving piece structure at position significantly to simplify, and then can realize reducing manufacture cost and assembly cost, obtain better economic benefit.
Description of drawings
Fig. 1 is the combination stereogram of the air tool universal joint of the utility model;
Fig. 2 is the exploded perspective view of the air tool universal joint of the utility model;
Fig. 3 is the assembled sectional view of the air tool universal joint of the utility model;
Fig. 4 is the partial structurtes sectional view of the air tool universal joint of the utility model;
Fig. 5 is the pressure regulation group actuator state schematic representation of the air tool universal joint of the utility model;
Fig. 6 is that air tool universal joint of the utility model and air tool assembly concern schematic representation;
Fig. 7 is the air tool universal joint first rotary state schematic representation of the utility model;
Fig. 8 is the air tool universal joint second rotary state schematic representation of the utility model;
Fig. 9 is another enforcement illustration of the air tool universal joint of the utility model.
Embodiment
The air tool universal joint of the utility model is mounted on the air tool fixed component by pressure regulation, makes the pressure regulation group obtain the most stable assembled state, so stable more and operate easily when carrying out pressure regulation.Below in conjunction with accompanying drawing the air tool universal joint of the utility model is described in detail.
Fig. 1, Fig. 2 and Fig. 3 are the preferred embodiment of the air tool universal joint of the utility model, and this embodiment only for explanation usefulness, is not subjected to the restriction of this structure in patent application; Described air tool universal joint A comprises one first connecting piece 10, a driving piece 30, one second connecting piece 20 and a pressure regulation group 40.
This first connecting piece 10 comprises a pneumatic tool connection terminal 11 (protrusion solenoid structure as shown in FIG.) and an extending end 12 away from this pneumatic tool connection terminal, the inside of this first connecting piece 10 is provided with first flow B1, and its extending end 12 sidewalls then are provided with first and wear pore C1 and communicate with this first flow B1.
This driving piece 30 comprises and always wears hole 31, this runs through the extending end 12 that trepanning 31 pivots are placed in first connecting piece 10, and the assembly by locating piece 32 is to limit the relative position that this runs through trepanning 31 and extending end 12, one side of driving piece 30 is provided with convex pipe part 33, form the second runner B2 in this convex pipe part 33, the end of this second runner B2 with run through trepanning 31 and be connected, and can be further with first of first connecting piece, 10 extending ends 12 wear pore C1 mutually contraposition be communicated with, these convex pipe part 33 sidewalls also are provided with second and wear pore C2 and communicate with its second runner B2 again.
These second connecting piece, 20 1 ends comprise a sleeve 21, these sleeve 21 pivots are placed in the convex pipe part 33 of driving piece 30, and the assembly by align member 50 is to limit the relative position of this sleeve 21 and convex pipe part 33, the other end of this second connecting piece 20 is tool one pipeline group connecting part 22 then, this pipeline group connecting part 22 can be designed to the tool joint pin structure of rapid pipe joint, form the 3rd runner B3 in this pipeline group connecting part 22, the end of the 3rd runner B3 communicates with running through sleeve 21, and can further wear pore C2 contraposition connection mutually with second of driving piece 30 convex pipe parts 33.
For can being installed on the fixed component obtaining, pressure regulation group 40 stablizes, extending end 12 inside of this first connecting piece 10 also are provided with tank 13, these tank 13 the inners communicate with first flow B1, uncovered 14 of tank 13 is located at the end of this extending end 12, and described pressure regulation group 40 is mounted in this tank 13, described pressure regulation group 40 comprises a movable main body 41, this main body one end comprises a close portion 42 of ending, this close only portion 42 is used for controlling first flow B1 and first and wears keying and the flow that is communicated with between the pore C1, main body 41 the other ends directly form one and control portion 43, are used for the advance and retreat displacement state of this main body 41; Be the be screwed kenel of assembly of outside thread and internal thread between the main body 41 of pressure regulation group as shown in this embodiment 40 and the tank 13, can control the advance and retreat displacement state of main body 41 by this rotation of controlling portion 43, as shown in Figure 5, control close only portion 42 declines that portion's 43 counter-rotatings drive main body 41 for this, constitute this first flow B1 and first and wear the state that is the unlatching between the pore C1 and progressively enlarges flow.
Wherein, be used for limiting the locating piece 32 that runs through trepanning 31 and extending end 12 relative positions, can be a clasp, this clasp is mounted on the extending end 12 of first connecting piece 10 and running through between trepanning 31 1 ends of driving piece 30.
As shown in Figure 4, be used for limiting the align member 50 of this sleeve 21 and convex pipe part 33 relative positions, can be a shank.
Air tool universal joint A of the present utility model in the use, as shown in Figure 6, can be connected to the default air inlet end 61 of pneumatic tool 60 (as Pneumatic screw driver, pneumatic lapper, pneumatic nail gun etc.) by the pneumatic tool connection terminal 11 of this first connecting piece 10, be connected with group by the pipeline group connecting part 22 of this second connecting piece 20 and the joint 71 of pressure catheter 70 in addition; And for example shown in Figure 7, because second connecting piece 20 of this universal joint A can be made the first axial rotary moveable, and this driving piece 30 can be made the second axial rotary moveable (as shown in Figure 8) together with second connecting piece 20, makes the winding state between pneumatic tool and the pressure catheter more flexible.
Again as shown in Figure 9, for omitting the example structure of aforementioned pressure regulation group 40 in the air tool universal joint A of the utility model structure, in the present embodiment, these tank 13 tools one uncovered 14 are located at the end of these first connecting piece, 10 extending ends 12, and group is established an end cap 15 uncovered 14 of this tank 13 is sealed; The composite structure and the previous embodiments of first connecting piece 10, driving piece 30 and second connecting piece 20 of present embodiment repeat no more.
The beneficial effect of the air tool universal joint of the utility model under and for example:
1, by extending end 12 inside tank 13 is set at first connecting piece 10, and pressure regulation group 40 is located in this tank 13, when this universal joint uses, first connecting piece 10 is to be combined in air tool fixed component, the pressure regulation group 40 that so is mounted on these first connecting piece, 10 extending ends, 12 inside can obtain the most stable assembled state, the problem that the random rotation of existing structure can not occur is stable more and operation easily when so the air tool universal joint of the utility model carries out pressure regulation.
2, the utility model is by being located at pressure regulation group 40 set tank 13 in these first connecting piece, 10 extending ends 12, also make be connected with group between this driving piece 30 and first connecting piece 10 and second connecting piece 20 and the driving piece 30 structure at position significantly simplify, and then reach reduction manufacture cost and assembly cost, obtain favorable economic benefit.
The foregoing description is used for specifying this utility model, though and describe by specific excessively term in the literary composition, get protection domain when not limiting the utility model with this; The personage who is familiar with this technical field reaches equivalent purpose when changing and revise it after understanding spirit of the present invention and principle, and these changes and modification all should be covered by claim and define in the category.
Claims (8)
1. an air tool universal joint comprises first connecting piece, driving piece, second connecting piece, pressure regulation group;
This first connecting piece comprises a pneumatic tool connection terminal and an extending end away from this pneumatic tool connection terminal, and the inside of this first connecting piece is provided with first flow, and its extending end sidewall is provided with first and wears pore and communicate with this first flow;
This driving piece one end comprises and always wears the hole, this runs through the extending end that the trepanning pivot is placed in first connecting piece, the restricted locating piece that runs through trepanning and extending end relative position of this extending end assembly, one side of driving piece is provided with a convex pipe part, be provided with second runner in this convex pipe part, one end of this second runner communicates with running through trepanning, and wears the corresponding connection of pore with first of the first connecting piece extending end, and this convex pipe part sidewall is provided with second and wears pore and communicate with its second runner;
This second connecting piece, one end comprises a sleeve, this sleeve pivot is placed in the convex pipe part of driving piece, the align member of restricted sleeve of this convex pipe part assembly and convex pipe part relative position, the other end of this second connecting piece is provided with a pipeline group connecting part, be provided with the 3rd runner in this pipeline group connecting part, one end of the 3rd runner communicates with running through sleeve, and wears the corresponding connection of pore with second of driving piece convex pipe part; It is characterized in that:
The extending end inside of this first connecting piece is provided with tank, this tank is inner to communicate with first flow, the uncovered end of being located at this extending end of tank, described pressure regulation group is mounted in this tank, described pressure regulation group comprises a movable main body, this main body one end is provided with the close portion of ending, and this close portion's control first flow and first that ends is worn keying and the flow that is communicated with between the pore, and the main body the other end is provided with the portion that controls of this main body advance and retreat displacement of regulation and control.
2. according to the described air tool universal joint of claim 1, it is characterized in that: the locating piece that described restriction runs through trepanning and extending end relative position is a clasp, and this clasp is mounted on the extending end of first connecting piece and running through between trepanning one end of driving piece.
3. according to the described air tool universal joint of claim 1, it is characterized in that: the align member of described restriction sleeve and convex pipe part relative position is a shank.
4. according to the described air tool universal joint of claim 1, it is characterized in that: be screw-thread fit between the main body of described pressure regulation group and the tank.
5. an air tool universal joint comprises first connecting piece, driving piece, second connecting piece;
This first connecting piece comprises a pneumatic tool connection terminal and an extending end away from this pneumatic tool connection terminal, and the inside of this first connecting piece is provided with first flow, and its extending end sidewall is provided with first and wears pore and communicate with this first flow;
This driving piece one end comprises and always wears the hole, this runs through the extending end that the trepanning pivot is placed in first connecting piece, the restricted locating piece that runs through trepanning and extending end relative position of this extending end assembly, one side of driving piece is provided with a convex pipe part, be provided with second runner in this convex pipe part, one end of this second runner communicates with running through trepanning, and wears the corresponding connection of pore with first of the first connecting piece extending end, and this convex pipe part sidewall is provided with second and wears pore and communicate with its second runner;
This second connecting piece, one end comprises a sleeve, this sleeve pivot is placed in the convex pipe part of driving piece, the align member of restricted sleeve of this convex pipe part assembly and convex pipe part relative position, the other end of this second connecting piece is provided with a pipeline group connecting part, be provided with the 3rd runner in this pipeline group connecting part, one end of the 3rd runner communicates with running through sleeve, and wears the corresponding connection of pore with second of driving piece convex pipe part; It is characterized in that:
The extending end inside of this first connecting piece is provided with tank, and this tank is inner to communicate the uncovered end of being located at this extending end of tank, the uncovered end cap that is provided with of this tank with first flow.
6. according to the described air tool universal joint of claim 5, it is characterized in that: the locating piece that described restriction runs through trepanning and extending end relative position is a clasp, and this clasp is mounted on the extending end of first connecting piece and running through between trepanning one end of driving piece.
7. according to the described air tool universal joint of claim 5, it is characterized in that: the align member of described restriction sleeve and convex pipe part relative position is a shank.
8. according to the described air tool universal joint of claim 5, it is characterized in that: be screw-thread fit between described end cap and tank are uncovered.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720140887XU CN201032021Y (en) | 2007-03-27 | 2007-03-27 | Universal joint of pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU200720140887XU CN201032021Y (en) | 2007-03-27 | 2007-03-27 | Universal joint of pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201032021Y true CN201032021Y (en) | 2008-03-05 |
Family
ID=39163912
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU200720140887XU Expired - Fee Related CN201032021Y (en) | 2007-03-27 | 2007-03-27 | Universal joint of pneumatic tool |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201032021Y (en) |
-
2007
- 2007-03-27 CN CNU200720140887XU patent/CN201032021Y/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20080305 |