CN209875810U - Shock absorption connector for pneumatic tool - Google Patents
Shock absorption connector for pneumatic tool Download PDFInfo
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- CN209875810U CN209875810U CN201920465638.0U CN201920465638U CN209875810U CN 209875810 U CN209875810 U CN 209875810U CN 201920465638 U CN201920465638 U CN 201920465638U CN 209875810 U CN209875810 U CN 209875810U
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- transition pipe
- pipe
- pneumatic tool
- connecting pipes
- spring
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Abstract
The utility model relates to a shock attenuation connector for pneumatic tool, shock attenuation connector includes a transition pipe, two connecting pipes, but two connecting pipe axial displacement's cover is outside the transition pipe, and two connecting pipes are connected with the transition pipe is all indirect in the footpath, respectively press from both sides a first spring in the axial between transition pipe and every connecting pipe, press from both sides a second spring in the axial between two connecting pipes. The utility model has the advantages that: two connecting pipes capable of moving along the axial direction of the transition pipe are arranged outside the transition pipe, the two connecting pipes are in radial and indirect connection with the transition pipe, a first spring is axially clamped between the transition pipe and each connecting pipe, a second spring is axially clamped between the two connecting pipes, indirect connection is achieved between the two connecting pipes through an O-shaped sealing ring, a polytetrafluoroethylene guide ring, the first spring and the second spring, and the shock absorption effect is achieved.
Description
Technical Field
The utility model relates to a pneumatic tool shock attenuation technical field especially relates to a shock attenuation connector for pneumatic tool.
Background
The pneumatic tool is a tool which mainly utilizes compressed air to drive a pneumatic motor to work for outputting kinetic energy, and can be divided into the following steps according to the basic working modes: 1) rotary (eccentric movable blade type), 2) reciprocating (positive displacement piston type) general pneumatic tools mainly comprise a power output part, a working form conversion part, an air inlet and outlet path part, an operation opening and stopping control part, a tool shell and other main parts, and the pneumatic tools also need to be operated with an energy supply part, an air filtering and air pressure adjusting part, tool accessories and the like.
Reciprocating pneumatic tools can generate strong vibration during working, and the long-time vibration not only increases the abrasion of the pneumatic tools, but also easily causes muscle soreness for operators. Therefore, a damping structure is generally installed between the handheld mechanism and the pneumatic working mechanism of the pneumatic tool to reduce the propagation of the vibration generated by the pneumatic working mechanism to the handheld mechanism, but the existing damping structure cannot completely damp and isolate the pneumatic working mechanism from the handheld mechanism.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome the above problem that prior art exists, provide a pneumatic damping connector for instrument.
For realizing above-mentioned technical purpose, reach above-mentioned technological effect, the utility model discloses a following technical scheme realizes:
the utility model provides a pneumatic shock attenuation connector for instrument, the shock attenuation connector includes a transition pipe, two connecting pipes, but the cover of two connecting pipes axial displacement is outside the transition pipe, and two connecting pipes are all indirect connections in footpath with the transition pipe, respectively press from both sides a first spring in the axial between transition pipe and every connecting pipe, press from both sides a second spring in the axial between two connecting pipes.
Furthermore, the first end outside spiro union of transition pipe has the spacing ring, the second end outside of transition pipe is provided with outside convex spacing flange, the outer peripheral face of spacing ring and the outer peripheral face of spacing flange are provided with two sealing washer grooves of indent respectively at least, install O type sealing washer in the sealing washer groove.
Furthermore, the outer diameters of the limiting ring and the limiting flange are smaller than the inner diameter of the connecting pipe.
Furthermore, a regular hexagonal hole is formed in the center of the limiting ring and the center of the second end of the transition pipe respectively.
Furthermore, the first end inboard of connecting pipe is provided with the turn-ups of inside salient, be provided with annular draw-in groove of circle on the turn-ups's the inside wall, the dress has the polytetrafluoroethylene guide ring in the draw-in groove, the inboard of polytetrafluoroethylene guide ring is provided with two symmetrical direction archs, the outside of transition pipe is provided with follows its first end to the guide way that extends above the spacing flange along its axial, direction arch and guide way cooperation.
Furthermore, the inboard of draw-in groove is provided with two symmetrical constant head tanks, the outside of polytetrafluoroethylene guide block is provided with two symmetrical location archs, the location protruding card is gone into in the constant head tank.
Further, the inner diameter of the flanging is larger than the outer diameter of the transition pipe.
Furthermore, a screwing part with external threads and a clamping part with a regular hexagon outer contour are arranged on the outer side of the second end of the connecting pipe, and the clamping part is positioned at one end of the screwing part, which is far away from the second end of the connecting pipe.
The utility model has the advantages that: two connecting pipes capable of moving along the axial direction of the transition pipe are arranged outside the transition pipe, the two connecting pipes are in radial and indirect connection with the transition pipe, a first spring is axially clamped between the transition pipe and each connecting pipe, a second spring is axially clamped between the two connecting pipes, indirect connection is achieved between the two connecting pipes through an O-shaped sealing ring, a polytetrafluoroethylene guide ring, the first spring and the second spring, and the shock absorption effect is achieved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the invention without undue limitation to the invention. In the drawings:
FIG. 1 is a cross-sectional view of a shock absorbing connector in an embodiment of the present invention;
FIG. 2 is a cross-sectional view of a connecting tube in an embodiment of the present invention;
FIG. 3 is a cross-sectional view of the transition tube assembled with the stop collar in an embodiment of the present invention;
FIG. 4 is a schematic view of a transition duct of an embodiment of the present invention as viewed from a first end thereof;
FIG. 5 is a top view of a stop collar according to an embodiment of the present invention;
fig. 6 is a top view of a ptfe guide ring in an embodiment of the invention.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings in conjunction with embodiments.
In the description of the present invention, it is to be understood that the terms "open hole", "upper", "lower", "thickness", "top", "middle", "length", "inner", "around", and the like, indicate positional or positional relationships, are merely for convenience in describing the present invention and to simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
As shown in fig. 1 to 6, a shock absorption connector for a pneumatic tool, the shock absorption connector includes a transition pipe 1 and two connecting pipes 2, the two connecting pipes 2 are axially movably sleeved outside the transition pipe 1, the two connecting pipes 2 are both indirectly connected with the transition pipe 1 in the radial direction, a first spring 3 is respectively clamped between the transition pipe 1 and each connecting pipe 2 in the axial direction, the other end of the first spring 3 is abutted against a flange 10 of the connecting pipe 2, and a second spring 4 is clamped between the two connecting pipes 2 in the axial direction.
The outer side of the first end of the transition pipe 1 is in threaded connection with a limiting ring 5, the outer side of the second end of the transition pipe 1 is provided with a limiting flange 15 protruding outwards, the outer diameter d4 of the limiting ring 5 and the outer diameter d3 of the limiting flange 15 are both smaller than the inner diameter d1 of the connecting pipe 2, the outer peripheral surface of the limiting ring 5 and the outer peripheral surface of the limiting flange 15 are respectively provided with two inwards-concave sealing ring grooves 13, and an O-shaped sealing ring 6 is installed in each sealing ring groove 13.
The center of the limiting ring 5 and the center of the second end of the transition pipe 1 are respectively provided with a regular hexagonal hole 16, so that the limiting ring 5 can be conveniently disassembled and assembled.
The inner side of the first end of the connecting pipe 2 is provided with a flange 10 protruding inwards, the inner diameter d2 of the flange 10 is larger than the outer diameter d5 of the transition pipe 1, the inner side wall of the flange 10 is provided with a circular clamping groove 11, a polytetrafluoroethylene guide ring 7 is clamped in the clamping groove 11, the inner side of the polytetrafluoroethylene guide ring 7 is provided with two symmetrical guide bulges 18, the outer side of the transition pipe 1 is provided with a guide groove 14 extending from the first end of the transition pipe to the upper side of the limiting flange 15 along the axial direction of the transition pipe, and the guide bulges 18 are matched with the guide groove 14. The inner side of the clamping groove 11 is provided with two symmetrical positioning grooves 12, the outer side of the polytetrafluoroethylene guide block 7 is provided with two symmetrical positioning protrusions 17, and the positioning protrusions 17 are clamped into the positioning grooves 12. So that the connecting pipe 2 and the transition pipe 1 can only move axially and can not rotate circumferentially.
The outer side of the second end of the connecting pipe 2 is provided with a screwing part 8 with external threads and a clamping part 9 with a regular hexagon external contour, and the clamping part 9 is positioned at one end of the second end of the screwing part 8 far away from the connecting pipe 2.
Specifically, one end of the first spring 3 abuts against the limiting ring 5 or the limiting flange 15, and two ends of the second spring 4 abut against the first ends of the two connecting pipes 2 respectively.
Set up two connecting pipes 2 that can follow 1 axial displacement of transition pipe outside transition pipe 1, and make two connecting pipes 2 and transition pipe 1 all indirect connections in footpath, respectively press from both sides a first spring 3 in the axial between transition pipe 1 and every connecting pipe 2, press from both sides a second spring 4 in the axial between two connecting pipes 2, make between two connecting pipes 2 realize indirect connection by O type sealing washer 6, polytetrafluoroethylene guide ring 7, first spring 3, second spring 4, play absorbing effect.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention.
Claims (8)
1. A shock-absorbing connector for a pneumatic tool, characterized in that: the damping connector comprises a transition pipe and two connecting pipes, wherein the two connecting pipes can be axially sleeved outside the transition pipe in a movable mode, the two connecting pipes are indirectly connected with the transition pipe in the radial direction, a first spring is axially clamped between each transition pipe and each connecting pipe, and a second spring is axially clamped between the two connecting pipes.
2. The pneumatic tool shock-absorbing connector according to claim 1, wherein: the outer side of the first end of the transition pipe is in threaded connection with a limiting ring, the outer side of the second end of the transition pipe is provided with a limiting flange protruding outwards, the outer peripheral surface of the limiting ring and the outer peripheral surface of the limiting flange are at least provided with two inwards-concave sealing ring grooves respectively, and O-shaped sealing rings are installed in the sealing ring grooves.
3. The pneumatic tool shock absorbing connector as set forth in claim 2, wherein: the outer diameters of the limiting ring and the limiting flange are smaller than the inner diameter of the connecting pipe.
4. The pneumatic tool shock absorbing connector as set forth in claim 2, wherein: and the centers of the limiting ring and the second end of the transition pipe are respectively provided with a regular hexagonal hole.
5. The pneumatic tool shock absorbing connector as set forth in claim 2, wherein: the inner side of the first end of the connecting pipe is provided with a flange protruding inwards, the inner side wall of the flange is provided with a circular clamping groove, a polytetrafluoroethylene guide ring is clamped in the clamping groove, two symmetrical guide bulges are arranged on the inner side of the polytetrafluoroethylene guide ring, a guide groove extending from the first end of the transition pipe to the upper side of the limiting flange along the axial direction of the transition pipe is arranged on the outer side of the transition pipe, and the guide bulges are matched with the guide groove.
6. The pneumatic tool shock absorbing connector as set forth in claim 5, wherein: the inboard of draw-in groove is provided with two symmetrical constant head tanks, the outside of polytetrafluoroethylene guide block is provided with two symmetrical location archs, the location arch card is gone into in the constant head tank.
7. The pneumatic tool shock absorbing connector as set forth in claim 5, wherein: the inner diameter of the flanging is larger than the outer diameter of the transition pipe.
8. The pneumatic tool shock-absorbing connector according to claim 1, wherein: the outer side of the second end of the connecting pipe is provided with a screwing part with external threads and a clamping part with a regular hexagon outer contour, and the clamping part is positioned at one end of the screwing part, which is far away from the second end of the connecting pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465638.0U CN209875810U (en) | 2019-04-09 | 2019-04-09 | Shock absorption connector for pneumatic tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920465638.0U CN209875810U (en) | 2019-04-09 | 2019-04-09 | Shock absorption connector for pneumatic tool |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875810U true CN209875810U (en) | 2019-12-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920465638.0U Active CN209875810U (en) | 2019-04-09 | 2019-04-09 | Shock absorption connector for pneumatic tool |
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| Country | Link |
|---|---|
| CN (1) | CN209875810U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023178947A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | Vehicle compartment heating connection device and work machine |
-
2019
- 2019-04-09 CN CN201920465638.0U patent/CN209875810U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023178947A1 (en) * | 2022-03-23 | 2023-09-28 | 三一重型装备有限公司 | Vehicle compartment heating connection device and work machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: A damping connector for pneumatic tools Effective date of registration: 20221114 Granted publication date: 20191231 Pledgee: Zhejiang Zhuji Rural Commercial Bank Co.,Ltd. Pledgor: ZHUJI HEPU ELECTROMECHANICAL Co.,Ltd. Registration number: Y2022980021913 |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right |