CN114346702A - Movable linear limiting device - Google Patents
Movable linear limiting device Download PDFInfo
- Publication number
- CN114346702A CN114346702A CN202210032850.4A CN202210032850A CN114346702A CN 114346702 A CN114346702 A CN 114346702A CN 202210032850 A CN202210032850 A CN 202210032850A CN 114346702 A CN114346702 A CN 114346702A
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- CN
- China
- Prior art keywords
- limiting
- block
- guide rail
- seat
- stopper
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- 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.)
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q11/00—Accessories fitted to machine tools for keeping tools or parts of the machine in good working condition or for cooling work; Safety devices specially combined with or arranged in, or specially adapted for use in connection with, machine tools
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Seats For Vehicles (AREA)
Abstract
The invention discloses a movable linear limiting device, which comprises a guide rail, wherein a sliding block is slidably arranged at the upper end of the guide rail, the sliding block slides along the length direction of the guide rail, a limiting seat is arranged at the upper end of the sliding block, a limiting block is arranged at the side wall of the limiting seat through a pin, the limiting block is rotatably connected to the pin, the bottom of the limiting block is of a V-shaped structure, the side surface of the bottom of the limiting block is in contact with the side surface of the limiting seat, and a limiting stop block for limiting a limiting contact is arranged in the middle of the upper end of the limiting block; the limiting block is designed to be rotary, the influence of the size parameters of the limiting contact and the limiting block on the positioning precision of the limiting rod approaching the limiting block from different directions is eliminated by utilizing the position change of the contact surface when the limiting block swings clockwise and anticlockwise, and the bidirectional positioning precision is high; the limiting device is arranged on the linear guide rail, and can conveniently move and adjust the limiting position; the limiting device is fixedly clamped with the fastening cover plate through the nut screw rod structure, and the limiting device is convenient to use and reliable in fixation.
Description
Technical Field
The invention relates to the technical field of linear limiting devices, in particular to a movable linear limiting device.
Background
The linear limiting device is generally used for limiting the equipment device which moves linearly. When the equipment device moves to the limiting position, the limiting contact on the equipment device is contacted with the limiting block of the linear limiting device, so that the equipment device is prevented from continuously advancing and stopping at the limiting position of the limiting block, or a limiting switch of the equipment device is triggered, and the equipment device stops advancing and stopping at the limiting position of the limiting block. The linear limiting device can be widely applied to elevators, cranes, lifting platforms, machine tools, transmission belts and other equipment devices with linear guide rails or moving along a straight line.
The linear stop device generally comprises a stop block and a fastener. The limiting block is installed at a position where the limiting block needs to be limited and can be contacted with a limiting contact on the equipment device, and the fastening piece is used for fixing the limiting block. When the equipment device moves to the limiting position, the limiting contact on the equipment device is contacted with the limiting block of the linear limiting device, so that the equipment device is prevented from continuously advancing and stopping at the limiting position of the limiting block, or the limiting switch of the equipment device is triggered, the equipment device stops advancing and stopping at the limiting position of the limiting block, and the limiting function of a certain limiting position is realized.
Disclosure of Invention
The invention aims to provide a movable linear limiting device, wherein a limiting block is designed to be rotary, the influence of the size parameters of a limiting contact and the limiting block on the positioning precision of a limiting rod approaching the limiting block from different directions is eliminated by utilizing the position change of a contact surface when the limiting block swings clockwise and anticlockwise, and the bidirectional positioning precision is high.
The purpose of the invention can be realized by the following technical scheme:
the utility model provides a portable sharp stop device, includes the guide rail, guide rail upper end slidable mounting has the slider, and the slider slides along guide rail length direction, and spacing seat is installed to the upper end of slider, and spacing seat lateral wall department installs the stopper through the pin, and the stopper rotates to be connected on the pin, and the stopper bottom is the V-arrangement structure, and the bottom side of stopper contacts with the side of spacing seat, and stopper upper end middle part is provided with carries out spacing limit stop to spacing contact.
As a further scheme of the invention: the sliding block is fixedly connected with the limiting seat through a plurality of groups of screws.
As a further scheme of the invention: the limiting seat is characterized in that a square hole is formed in the upper end of the limiting seat, a locking nut is installed in the square hole in a matched mode, and the locking nut slides in the vertical direction along the square hole of the limiting seat.
As a further scheme of the invention: a fastening cover plate is arranged above the locking nut and connected with the locking nut through a limiting knob.
As a further scheme of the invention: the fastening cover plate is provided with a strip-shaped groove parallel to the length direction of the guide rail, a screw rod is arranged below the limiting knob, and the screw rod below the limiting knob penetrates through the strip-shaped groove in the fastening cover plate and is in threaded connection with the locking nut.
As a further scheme of the invention: the intersection of the V-shaped bottom of the limiting block is in arc or straight line transition, so that the limiting block can rotate stably.
The invention has the beneficial effects that:
(1) the limiting block is designed to be rotary, the influence of the limiting contact and the size parameters of the limiting block on the positioning precision of the limiting rod approaching the limiting block from different directions is eliminated by utilizing the position change of the contact surface when the limiting block swings clockwise and anticlockwise, and the bidirectional positioning precision is high; the limiting device is arranged on the linear guide rail, and can conveniently move and adjust the limiting position; the limiting device is fixedly clamped with the fastening cover plate through the nut screw rod structure, and the limiting device is convenient to use and reliable in fixation.
(2) The stopper passes through the pin and installs on the cantilever of spacing seat, and the stopper can be rotatory around the pin, when spacing contact is close to and contacts the stopper, will promote the stopper rotatory, until the side of stopper and the side contact of spacing seat, stop in the same position when can making spacing contact be close to respectively and contact the stopper from controlling two directions to eliminate the positional deviation when two-way spacing, improve two-way positioning accuracy.
(3) Spacing seat is installed on the slider that can remove on the guide rail, the screw rod of spacing knob below passes the bar groove on the fastening apron and passes through threaded connection with the lock nut of installing in the spacing seat, lock nut cross-section appearance is the non-circular, lock nut can only slide and can not rotate from top to bottom along spacing seat hole, can make spacing seat and stopper remove along guide rail length direction together through removing spacing knob, through screwing up spacing knob, can make lock nut rebound and with fastening apron clamp fastening decide, thereby realize spacing position control and fixed function.
Drawings
The invention will be further described with reference to the accompanying drawings.
Fig. 1 is a schematic view of the overall structure of the present invention.
Fig. 2 is a schematic top view of the present invention.
In the figure: 1. a guide rail; 2. a slider; 3. a limiting seat; 4. a screw; 5. locking the nut; 6. fastening a cover plate; 7. a limit knob; 8. a pin; 9. a limiting block; 10. and limiting the contact.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-2, the invention is a movable linear limiting device, a slide block 2 is installed above a guide rail 1, the slide block 2 can slide along the length direction of the guide rail 1, a limiting seat 3 is installed above the slide block 2, the slide block 2 and the limiting seat 3 are fixed by a screw 4, a square hole is opened inside the limiting seat 3, a lock nut 5 is installed in the square hole inside the limiting seat 3 in a matching manner, the lock nut 5 can slide up and down along the square hole inside the limiting seat 3, an inner hole of the lock nut 5 is provided with an internal thread, a fastening cover plate 6 is arranged above the lock nut 5, a strip-shaped groove parallel to the length direction of the guide rail 1 is opened on the fastening cover plate 6, a limit knob 7 is arranged above the fastening cover plate 6, a screw rod is designed below the limit knob 7, the screw rod below the limit knob 7 passes through the strip-shaped groove on the fastening cover plate 6 to be connected with the lock nut 5 through the screw thread, the lock nut 5 can move upwards and be clamped and fixed with the fastening cover plate 6 by tightening the limit knob 7, the locking nut 5 can be separated from the fastening cover plate 6 by loosening the limiting knob 7, and the limiting seat 3 can move along the length direction of the guide rail 1 by moving the limiting knob 7. The left cantilever of the limiting seat 3 is connected with a limiting block 9 through a pin 8, and the limiting block 9 can rotate around the pin 8 until the side face of the limiting block 9 contacts with the side face of the limiting seat 3.
When the limiting contact 10 approaches and contacts the limiting block 9 from left to right as shown in fig. 2, the limiting block 9 is pushed to rotate clockwise until the right side surface of the limiting block 9 contacts with the upper side surface of the limiting seat 3, and at this time, the limiting block 9 blocks the limiting contact 10 to move forward continuously as shown by the solid line position of the limiting block 9 shown in fig. 2, so that the limiting function is realized; when the limiting contact 10 approaches from right to left and contacts the limiting block 9 as shown in fig. 2, the limiting block 9 is pushed to rotate counterclockwise until the left side surface of the limiting block 9 contacts with the upper side surface of the limiting seat 3, as shown in fig. 2, the position of the dotted line of the limiting block 9 is reached, so that the limiting function is realized. As shown in fig. 2, the limiting device of the present invention can make the limiting contact 10 stay at the same position when approaching and contacting the limiting block 9 from the left and right directions, respectively, thereby eliminating the position deviation during the bidirectional limiting and improving the bidirectional positioning accuracy. The locking nut 5 can be separated from the fastening cover plate 6 by loosening the limiting knob 7, then the limiting knob 7 can be moved to enable the limiting seat 3 and the limiting block 9 to move together along the length direction of the guide rail 1, and then the limiting knob 7 is tightened to enable the locking nut 5 to move upwards and be clamped and fixed with the fastening cover plate 6, so that the limiting seat 3 of the limiting device disclosed by the invention can be moved and fixed at a specified position, and the function of adjusting the limiting position is realized.
The working principle of the invention is as follows: the stopper 9 is installed on the cantilever of spacing seat 3 through pin 8, and stopper 9 can be rotatory around pin 8, when spacing contact 10 is close to and contacts stopper 9, will promote stopper 9 rotatory, and until the side of stopper 9 contacts with the side of spacing seat 3, can make spacing contact 10 stop in the same position when being close to respectively and contacting stopper 9 from two directions about, thereby eliminate the positional deviation when two-way spacing, improve two-way positioning accuracy.
While one embodiment of the present invention has been described in detail, the description is only a preferred embodiment of the present invention and should not be taken as limiting the scope of the invention. All equivalent changes and modifications made within the scope of the present invention shall fall within the scope of the present invention.
Claims (6)
1. The utility model provides a portable sharp stop device, a serial communication port, including guide rail (1), guide rail (1) upper end slidable mounting has slider (2), slider (2) slide along guide rail (1) length direction, spacing seat (3) are installed to the upper end of slider (2), stopper (9) are installed through pin (8) in spacing seat (3) lateral wall department, stopper (9) rotate to be connected on pin (8), stopper (9) bottom is the V-arrangement structure, the bottom side of stopper (9) contacts with the side of spacing seat (3), stopper (9) upper end middle part is provided with carries out spacing limit stop to spacing contact (10).
2. A mobile linear stop device according to claim 1, characterised in that the slide (2) and the stop block (3) are fixedly connected by means of a plurality of sets of screws (4).
3. A movable linear limiting device according to claim 1, wherein the upper end of the limiting seat (3) is provided with a square hole, a locking nut (5) is fittingly installed in the square hole, and the locking nut (5) slides up and down along the square hole of the limiting seat (3).
4. A mobile linear stop device according to claim 3, characterised in that a tightening cover plate (6) is arranged above the locking nut (5), the tightening cover plate (6) being connected to the locking nut (5) by means of a stop knob (7).
5. A movable linear limiting device according to claim 4, characterized in that a strip-shaped groove parallel to the length direction of the guide rail (1) is formed in the fastening cover plate (6), a screw rod is arranged below the limiting knob (7), and the screw rod below the limiting knob (7) penetrates through the strip-shaped groove in the fastening cover plate (6) to be in threaded connection with the locking nut (5).
6. A mobile linear stop device according to claim 1, characterized in that the intersection of the V-shape at the bottom of the stop block (9) is a circular arc or a linear transition.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210032850.4A CN114346702B (en) | 2022-01-12 | 2022-01-12 | Movable linear limiting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210032850.4A CN114346702B (en) | 2022-01-12 | 2022-01-12 | Movable linear limiting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114346702A true CN114346702A (en) | 2022-04-15 |
| CN114346702B CN114346702B (en) | 2023-03-14 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210032850.4A Active CN114346702B (en) | 2022-01-12 | 2022-01-12 | Movable linear limiting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114346702B (en) |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6315451B1 (en) * | 1999-06-23 | 2001-11-13 | Thk Co., Ltd. | Slide guide unit |
| CN202599607U (en) * | 2012-05-07 | 2012-12-12 | 金华市盛和柴油机制造有限公司 | Rotor supporting adjusting device for full-automatic balancing machine |
| CN106092166A (en) * | 2016-07-04 | 2016-11-09 | 中国气象科学研究院 | A kind of rotary limit device of rotary apparatus |
| CN110984793A (en) * | 2019-12-09 | 2020-04-10 | 中国航天空气动力技术研究院 | But two-way moving's vertical hinged door |
| CN211599440U (en) * | 2019-12-31 | 2020-09-29 | 常州海特赐仁传动科技有限公司 | Linear guide rail locking device |
| CN212764139U (en) * | 2020-04-16 | 2021-03-23 | 江苏京创先进电子科技有限公司 | Bidirectional rotation limiting mechanism and scribing machine applying same |
| CN213870761U (en) * | 2020-10-11 | 2021-08-03 | 天津杰田恒实传动技术有限公司 | Linear guide rail with locking device |
-
2022
- 2022-01-12 CN CN202210032850.4A patent/CN114346702B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US6315451B1 (en) * | 1999-06-23 | 2001-11-13 | Thk Co., Ltd. | Slide guide unit |
| CN202599607U (en) * | 2012-05-07 | 2012-12-12 | 金华市盛和柴油机制造有限公司 | Rotor supporting adjusting device for full-automatic balancing machine |
| CN106092166A (en) * | 2016-07-04 | 2016-11-09 | 中国气象科学研究院 | A kind of rotary limit device of rotary apparatus |
| CN110984793A (en) * | 2019-12-09 | 2020-04-10 | 中国航天空气动力技术研究院 | But two-way moving's vertical hinged door |
| CN211599440U (en) * | 2019-12-31 | 2020-09-29 | 常州海特赐仁传动科技有限公司 | Linear guide rail locking device |
| CN212764139U (en) * | 2020-04-16 | 2021-03-23 | 江苏京创先进电子科技有限公司 | Bidirectional rotation limiting mechanism and scribing machine applying same |
| CN213870761U (en) * | 2020-10-11 | 2021-08-03 | 天津杰田恒实传动技术有限公司 | Linear guide rail with locking device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114346702B (en) | 2023-03-14 |
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