CN107131268B - Sliding part stroke adjusting mechanism - Google Patents
Sliding part stroke adjusting mechanism Download PDFInfo
- Publication number
- CN107131268B CN107131268B CN201710332043.3A CN201710332043A CN107131268B CN 107131268 B CN107131268 B CN 107131268B CN 201710332043 A CN201710332043 A CN 201710332043A CN 107131268 B CN107131268 B CN 107131268B
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- Prior art keywords
- positioning
- sliding
- point
- cavity
- base body
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H21/00—Gearings comprising primarily only links or levers, with or without slides
- F16H21/10—Gearings comprising primarily only links or levers, with or without slides all movement being in, or parallel to, a single plane
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- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05C—BOLTS OR FASTENING DEVICES FOR WINGS, SPECIALLY FOR DOORS OR WINDOWS
- E05C17/00—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith
- E05C17/02—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means
- E05C17/04—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing
- E05C17/12—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod
- E05C17/20—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide
- E05C17/22—Devices for holding wings open; Devices for limiting opening of wings or for holding wings open by a movable member extending between frame and wing; Braking devices, stops or buffers, combined therewith by mechanical means with a movable bar or equivalent member extending between frame and wing consisting of a single rod sliding through a guide with braking, clamping or securing means in the guide
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Insertion Pins And Rivets (AREA)
Abstract
The invention discloses a sliding part stroke adjusting mechanism which comprises a sliding guide part, a sliding positioning part and a reset driving part, wherein the sliding guide part is provided with an annular guide channel, the guide channel is provided with an initial positioning point and an extreme reset point, at least one middle positioning point is arranged between the initial positioning point and the extreme reset point, the sliding positioning part is provided with a positioning seat matched with the guide channel, the positioning seat is embedded into the guide channel, and the reset driving part is used for driving the positioning seat to reset to the initial positioning point and can be matched with the sliding guide part to position the positioning seat at any middle positioning point. The stroke adjusting mechanism for the sliding parts, provided by the invention, is simple and compact, is convenient to assemble, has good reliability, and can position one or more relative positions of the two sliding fit parts in the relative sliding process, thereby realizing the stroke positioning adjustment between the two sliding fit parts.
Description
Technical Field
The invention belongs to a regulating mechanism, and particularly relates to a stroke regulating mechanism for a sliding part.
Background
The sliding fit belongs to one of the most common kinematic fit relations in mechanical structures, and is widely applied to mechanical parts in various fields. In many cases, an elastic element such as a return tension spring is provided between the two slidably fitted components to achieve the automatic return function, but it is generally difficult to position the two slidably fitted components having the automatic return function relative to each other during sliding (except for the initial position) due to the principle of the sliding fit itself. However, in many application scenarios, two independent components need to be provided with a sliding fit to realize the relative movement of the two components in the linear direction, and one or more relative stop positions are also needed to be arranged in the sliding process to realize the stroke positioning adjustment between the two sliding fit components. It is urgent to solve the above problems.
Disclosure of Invention
In order to solve the technical problems, the invention provides a sliding part stroke adjusting mechanism which can position the relative positions of two sliding parts in the relative sliding process, and has the advantages of simple and compact structure, good reliability and easy assembly.
In order to achieve the purpose, the technical scheme of the invention is as follows:
the utility model provides a sliding part stroke adjustment mechanism which characterized in that includes: the sliding guide component is provided with an annular guide channel, the guide channel is provided with an initial positioning point and a limit reset point, and at least one middle positioning point is arranged between the initial positioning point and the limit reset point; the sliding positioning component is provided with a positioning seat matched with the guide channel, and the positioning seat is embedded into the guide channel; and the resetting driving part is used for driving the positioning seat to reset to the initial positioning point and can be matched with the sliding guide part to position the positioning seat at any middle positioning point.
By adopting the structure, the reset driving part enables the sliding positioning part to be always kept at the position near the center line, external force is applied to pull the sliding positioning part, the positioning seat is far away from the initial positioning point, when the positioning seat is positioned between the initial positioning point and the middle positioning point closest to the initial positioning point, the external force acting on the sliding positioning part is released, the positioning seat returns to the initial positioning point under the driving of the reset driving part, when the positioning seat is positioned at any middle positioning point, the external force acting on the sliding positioning part is released, the positioning seat keeps the current position and is overlapped with the middle positioning point, when the positioning seat is positioned between the two middle positioning points, the external force acting on the sliding positioning part is released, the positioning seat returns to the middle positioning point close to the initial positioning point under the driving of the reset driving part, when the positioning seat is positioned at the limit reset point, the external force cannot continuously pull the positioning seat, the external force acting on the sliding positioning part is released, and the positioning seat returns to the initial positioning point under the driving of the reset driving part; the invention can position one or more relative positions of the two sliding fit components in the relative sliding process, realizes the stroke positioning adjustment between the two sliding fit components, and has simple and compact structure, good reliability and easy assembly.
Preferably, the method comprises the following steps: the sliding guide part comprises a first base body and a second base body which are positioned on the same plane, the first base body is provided with a cavity, the second base body is positioned in the cavity, and the outer surface of the second base body and the inner surface of the cavity form the guide channel together. By adopting the structure, the structure has the advantages of less parts, easiness in assembly, simple and compact structure and high reliability, the first base body or the second base body can be replaced according to actual requirements, the universality of the parts is improved, and the preparation of the parts is reduced.
Preferably, the method comprises the following steps: the cavity bottom of the cavity is provided with an initial limit point for limiting an initial locating point, one end of the second base body, far away from the cavity bottom of the cavity, is provided with a limit point for limiting a limit reset point, the second base body is provided with at least one limit groove, and the groove wall of one side, close to the cavity bottom of the cavity, of each limit groove is provided with a middle limit point for limiting a middle locating point. By adopting the structure, the number of the positioning gears and the stroke between the gears of the two sliding fit components in the relative sliding process can be determined by designing the number and the relative positions of the middle limit points of the second base body, and when the number of the positioning gears and the stroke between the gears are required to be changed, only the second base body needs to be replaced, so that the universality of parts is greatly improved, and the production and research and development costs are saved.
Preferably, the method comprises the following steps: the groove wall of one side, close to the cavity bottom, of each limiting groove is of an inclined surface structure or an arc structure extending inwards from the groove bottom to the groove opening, and the groove wall of one side, far away from the cavity bottom, of each limiting groove is of an arc structure or an inclined surface structure extending outwards from the groove bottom to the groove opening. By adopting the structure, the limit groove of the second base body can be matched with the reset driving part to limit the positioning seat of the sliding positioning part more reliably, the positioning seat can move towards the direction far away from the cavity bottom of the cavity under the action of external force, and the reliability of positioning and stroke adjustment is greatly improved.
Preferably, the method comprises the following steps: the sliding positioning part is provided with a mounting seat, and the mounting seat and the positioning seat are oppositely arranged at two ends of the sliding positioning part. The structure more than adopting, the sliding guide part is connected with one of them sliding fit part, and the sliding positioning part passes through the mount pad and is connected with another sliding fit part to make the sliding positioning part can swing (rotate) for the sliding fit part who is connected with it, make the positioning seat can imbed spacing recess through the swing of sliding positioning part, and make the positioning seat can follow the direction passageway reciprocating motion, and then realize fixing a position two sliding fit parts relative position at the relative slip in-process.
Preferably, the method comprises the following steps: the sliding positioning component is of a rod-shaped structure. By adopting the structure, the structure is simple and reliable, and the realization is easy.
Preferably, the method comprises the following steps: the outer end of mount pad forms joint portion along radially outwards protrusion, and this mount pad has the groove of stepping down of extending inwards from outer terminal surface along the axis direction. The structure more than adopting, through the design of joint portion, guarantee the reliable connection of mount pad and sliding fit part, through the design in groove of stepping down, both be convenient for imbed the mount pad sliding fit part, be convenient for again the sliding positioning part for the swing (rotation) of sliding fit part.
Preferably, the method comprises the following steps: one end of the base body, which is far away from the cavity bottom of the cavity, is provided with an opening. By adopting the structure, the installation of the second base body and the sliding positioning component is convenient.
Preferably, the method comprises the following steps: the cavity bottom of the cavity is of an arc structure, the connecting part of the cavity wall and the cavity bottom of the cavity is chamfered with a round angle, and the corners of the second base body are chamfered with round angles. By adopting the structure, the positioning seat can be ensured to move smoothly in the guide channel.
Preferably, the method comprises the following steps: the reset driving part is a reset tension spring. By adopting the structure, the device is simple, reliable, easy to realize and low in cost.
Compared with the prior art, the invention has the beneficial effects that:
the stroke adjusting mechanism for the sliding parts, provided by the invention, has the advantages of simple and compact structure, convenience in assembly and good reliability, and can position one or more relative positions of the two sliding fit parts in the relative sliding process, thereby realizing the stroke positioning adjustment between the two sliding fit parts.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the mating relationship of the slide guiding member and the slide positioning member;
FIG. 3 is a schematic view of the structure of the slide guide member;
fig. 4 is a schematic structural view of the slide positioning member.
Detailed Description
The present invention will be further described with reference to the following examples and the accompanying drawings.
As shown in fig. 1, a stroke adjusting mechanism for a sliding component includes a sliding guide component 1, a sliding positioning component 2 and a reset driving component 3, wherein the sliding guide component 1 is connected with a first sliding fit component 4, the sliding positioning component 2 is connected with a second sliding fit component 5, the first sliding fit component 4 is provided with a first spring mounting seat 41, the sliding positioning component 2 is provided with a second spring mounting seat 23, the reset driving component 3 is preferably a reset tension spring, and two ends of the reset driving component are respectively connected with the first spring mounting seat 41 and the second spring mounting seat 23.
Referring to fig. 3, the sliding guide member 1 has a circular guide channel 11, the two ends of the guide channel 11 respectively have an initial positioning point 111 and a limit reset point 113, and two intermediate positioning points 112 (one or more than one may be designed according to actual requirements) are arranged between the initial positioning point 111 and the limit reset point 113.
Specifically, the sliding guide part 1 comprises a first base body 12 and a second base body 13 which are positioned on the same plane, the first base body 12 is provided with a cavity 121, the second base body 13 is positioned in the cavity 121, and the outer surface of the second base body 13 and the inner surface of the cavity 121 jointly form the guide channel 11. The cavity bottom of the cavity 121 has an initial positioning point 122 for defining the initial positioning point 111, and when the positioning seat 21 contacts the initial positioning point 122 of the cavity 121, the central point of the positioning seat 21 is the initial positioning point 111. One end of the second base body 13, which is far away from the cavity bottom of the cavity 121, is provided with a limit point 131 for limiting the limit reset point 113, and when the positioning seat 21 is in contact with the limit point 131 of the second base body 13, the central point of the positioning seat 21 is the limit reset point 113. The second base 13 has two limiting grooves 132 (one or more limiting grooves can be designed according to actual requirements), a groove wall of each of the limiting grooves 132 close to the bottom of the cavity 121 has a middle limiting point 133 for limiting the middle positioning point 112, when the positioning seat 21 is embedded in the limiting groove 132 and is positioned under the action of the restoring tension of the restoring driving part 3, the positioning seat 21 contacts with the middle limiting point 133 of the limiting groove 132, and the central point of the positioning seat 21 is the middle positioning point 112.
The number of positioning gears and the stroke between the gears of the first sliding fit component 4 and the second sliding fit component 5 in the relative sliding process can be determined by designing the number and the relative positions of the middle limiting points 133 (limiting grooves 132) of the second base body 13, and when the number of the positioning gears and the stroke between the gears need to be changed, only the corresponding second base body 13 needs to be replaced, so that the universality of parts is greatly improved, and the production and research and development costs are saved. And, the end of the first base body 12 away from the cavity bottom of the cavity 121 is provided with an opening 123 to facilitate the replacement and installation of the second base body 13.
The groove wall of each limiting groove 132 on the side close to the cavity bottom of the cavity 121 is of an inclined surface structure or an arc structure extending inwards from the groove bottom to the groove opening, and the groove wall of each limiting groove 132 on the side far away from the cavity bottom of the cavity 121 is of an arc structure or an inclined surface structure extending outwards from the groove bottom to the groove opening. The limiting groove 132 of the second base body 13 can be matched with the reset driving part 3 to more reliably limit the positioning seat 21 of the sliding positioning part 2, and the positioning seat 21 can conveniently move towards the direction far away from the cavity bottom of the cavity 121 under the action of external force, so that the reliability of positioning and the reliability of a stroke adjusting process are greatly improved. And the cavity bottom of the cavity 121 is of an arc-shaped structure, the connecting part of the cavity wall of the cavity 121 and the cavity bottom is chamfered, and the corners of the second base 13 are chamfered, so that the positioning seat 21 can move smoothly in the guide channel 11.
Referring to fig. 4, the sliding positioning component 2 is a rod-shaped structure, and one end of the sliding positioning component has a positioning seat 21 adapted to the guide channel 11, and the other end of the sliding positioning component has a mounting seat 22. The positioning seat 21 is embedded in the guide channel 11 and can be embedded in the limiting groove 132, so that the sliding positioning part 2 and the sliding guide part 1 are positioned, and the stroke positioning adjustment of the first sliding fit part 4 and the second sliding fit part 5 is realized. Moreover, the outer end of the mounting seat 22 protrudes outward in the radial direction to form a clamping portion 221, and the mounting seat 22 has an avoiding groove 222 extending inward from the outer end surface in the axial direction. Through the design of joint portion 221, guarantee that mount pad 21 and the reliable connection of sliding fit part two 5, through the design of groove 222 of stepping down, both be convenient for imbed mount pad 21 into sliding fit part two 5, be convenient for again sliding positioning part 2 for the swing (rotation) of sliding fit part two 5.
The working process of the invention (please refer to fig. 1-3) is as follows:
1. when no external force is applied to the second sliding fit part 5, the positioning seat 21 is located at the initial positioning point 111 under the action of the reset driving part 3;
when an external force is applied to pull the second sliding fit part 5, the second sliding fit part 5 pulls the sliding positioning part 2, so that the positioning seat 21 is far away from the initial positioning point 111 along the guide channel 11:
2. when the positioning seat 21 is located between the initial positioning point 111 and the middle positioning point 112 closest to the initial positioning point 111, the external force acting on the second sliding fit component 5 is released, and the positioning seat 21 returns to the initial positioning point 111 under the driving of the reset driving component 3;
3. when the positioning seat 21 is located at any one of the middle positioning points 112, that is, the positioning seat 21 is embedded into any one of the limiting grooves 132, the external force acting on the sliding fit part two 5 is released, the positioning seat 21 is kept at the current position, and the center point of the positioning seat coincides with the middle positioning point 112;
4. when the positioning seat 21 is located between any two adjacent middle positioning points 112, that is, located between any two adjacent limiting grooves 132, the external force acting on the sliding fit component two 5 is released, and the positioning seat 21 returns to the middle positioning point 112 close to the initial positioning point 111 under the driving of the reset driving component 3, that is, the positioning seat 21 is embedded into one of the two limiting grooves 132 close to the initial positioning point 111;
5. when the positioning seat 21 is located at the limit reset point 113, the external force cannot pull the positioning seat 21 to continue to be away from the initial positioning point 111, the external force acting on the second sliding fit component 5 is released, and the positioning seat 21 is driven by the reset driving component 3 to return to the initial positioning point 111 along the guide channel 11.
Finally, it should be noted that the above-mentioned description is only a preferred embodiment of the present invention, and those skilled in the art can make various similar representations without departing from the spirit and scope of the present invention.
Claims (8)
1. A slide stroke adjustment mechanism, comprising:
the sliding guide component (1) is provided with a guide channel (11) in a ring shape, the guide channel (11) is provided with an initial positioning point (111) and a limit resetting point (113), and at least one middle positioning point (112) is arranged between the initial positioning point (111) and the limit resetting point (113);
a sliding positioning part (2) which is provided with a positioning seat (21) matched with the guide channel (11), wherein the positioning seat (21) is embedded in the guide channel (11); and
the resetting driving part (3) is used for driving the positioning seat (21) to reset to the initial positioning point (111), and can be matched with the sliding guide part (1) to position the positioning seat (21) at any middle positioning point (112);
the reset driving part (3) enables the sliding positioning part (2) to be always kept at a position near the center line;
the sliding guide component (1) is connected with the sliding fit component I (4), and the sliding positioning component (2) is connected with the sliding fit component II (5);
the sliding positioning part (2) is of a rod-shaped structure, one end of the sliding positioning part is provided with a positioning seat (21) matched with the guide channel (11), and the other end of the sliding positioning part is provided with an installation seat (22);
the sliding positioning component (2) swings relative to the second sliding matching component (5).
2. The slide member stroke adjustment mechanism according to claim 1, wherein: the sliding guide part (1) comprises a first base body (12) and a second base body (13) which are positioned on the same plane, the first base body (12) is provided with a cavity (121), the second base body (13) is positioned in the cavity (121), and the outer surface of the second base body (13) and the inner surface of the cavity (121) jointly form the guide channel (11).
3. The slide member stroke adjustment mechanism according to claim 2, wherein: the bottom of the cavity (121) is provided with an initial limit point (122) for limiting an initial locating point (111), one end of the second base body (13) far away from the bottom of the cavity (121) is provided with a limit point (131) for limiting a limit reset point (113), the second base body (13) is provided with at least one limit groove (132), and the groove wall of each limit groove (132) on one side close to the bottom of the cavity (121) is provided with a middle limit point (133) for limiting a middle locating point (112).
4. The slide member stroke adjustment mechanism according to claim 3, wherein: the groove wall of one side, close to the cavity bottom, of each limiting groove (132) is of an inclined plane structure or an arc-shaped structure extending inwards from the groove bottom to the groove opening, and the groove wall of one side, far away from the cavity bottom, of each limiting groove (132) is of an arc-shaped structure or an inclined plane structure extending outwards from the groove bottom to the groove opening.
5. The slide member stroke adjustment mechanism according to claim 1, wherein: the outer end of the mounting seat (22) protrudes outwards in the radial direction to form a clamping portion (221), and the mounting seat (22) is provided with an abdicating groove (222) extending inwards from the outer end surface in the axial direction.
6. The slide member stroke adjustment mechanism of any one of claims 2~4 wherein: one end of the first base body (12) far away from the cavity bottom of the cavity (121) is provided with an opening (123).
7. The slide member stroke adjustment mechanism of any one of claims 2~4 wherein: the cavity bottom of the cavity (121) is of an arc structure, the connecting part of the cavity wall and the cavity bottom of the cavity (121) is chamfered with a fillet, and the corners of the second base body (13) are chamfered with fillets.
8. The slide member stroke adjustment mechanism of any one of claims 1~4 wherein: the reset driving part (3) is a reset tension spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332043.3A CN107131268B (en) | 2017-05-11 | 2017-05-11 | Sliding part stroke adjusting mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710332043.3A CN107131268B (en) | 2017-05-11 | 2017-05-11 | Sliding part stroke adjusting mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107131268A CN107131268A (en) | 2017-09-05 |
| CN107131268B true CN107131268B (en) | 2023-04-14 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710332043.3A Active CN107131268B (en) | 2017-05-11 | 2017-05-11 | Sliding part stroke adjusting mechanism |
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| Country | Link |
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| CN (1) | CN107131268B (en) |
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| US4456298A (en) * | 1980-10-15 | 1984-06-26 | Martin Stoll Gmbh | Apparatus for stepwise adjustment of separation between two chair portions |
| DE3618973A1 (en) * | 1986-06-05 | 1987-12-10 | Gudrun Schmidt | Vertically adjustable device on a safety belt for motor vehicles |
| GB9810107D0 (en) * | 1997-05-14 | 1998-07-08 | Helping Hand Company Ledbury T | Improvements relating to chairs |
| US6343840B1 (en) * | 2001-05-18 | 2002-02-05 | Yi Chun Enterprise Ltd. | Height adjustment mechanism for chair backrest or arm |
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| DE3210119A1 (en) * | 1982-03-19 | 1983-09-22 | Hans-Dieter 7062 Rudersberg Horn | Height-adjustable equipment plate |
| DE3618973A1 (en) * | 1986-06-05 | 1987-12-10 | Gudrun Schmidt | Vertically adjustable device on a safety belt for motor vehicles |
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| TWM269000U (en) * | 2004-11-30 | 2005-07-01 | Chuen-Huei Chen | Height and swinging adjustment device for chair armrest |
| TWM271492U (en) * | 2005-02-03 | 2005-08-01 | Deng-Chiuan Shiu | Backrest cushion structure with angle adjustable |
| CN102222448A (en) * | 2010-04-19 | 2011-10-19 | 鸿富锦精密工业（深圳）有限公司 | Display and bracket for same |
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| CN107131268A (en) | 2017-09-05 |
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Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Applicant after: Chongqing andotuo Auto Parts System Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Applicant before: Chongqing Yanfeng Johnson Automotive Parts System Co.,Ltd. |
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Address after: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Applicant after: Anduto (Chongqing) Automotive Parts Co.,Ltd. Address before: 401122 No. 4, long Fuxi Road, North District, Yubei District economic and Technological Development Zone, Chongqing Applicant before: Chongqing andotuo Auto Parts System Co.,Ltd. |
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