CN113349579A - Non-return locking device of leg pressing type safety stop lever - Google Patents

Non-return locking device of leg pressing type safety stop lever Download PDF

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Publication number
CN113349579A
CN113349579A CN202110743790.2A CN202110743790A CN113349579A CN 113349579 A CN113349579 A CN 113349579A CN 202110743790 A CN202110743790 A CN 202110743790A CN 113349579 A CN113349579 A CN 113349579A
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CN
China
Prior art keywords
bolt
seat
pedal
locking device
pressure spring
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.)
Pending
Application number
CN202110743790.2A
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Chinese (zh)
Inventor
赵九峰
王扬
魏大海
段菲
王亚坤
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Henan Special Equipment Inspection Institute
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Henan Special Equipment Inspection Institute
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Publication date
Application filed by Henan Special Equipment Inspection Institute filed Critical Henan Special Equipment Inspection Institute
Priority to CN202110743790.2A priority Critical patent/CN113349579A/en
Publication of CN113349579A publication Critical patent/CN113349579A/en
Pending legal-status Critical Current

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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C1/00Chairs adapted for special purposes
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/002Chair or stool bases
    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47CCHAIRS; SOFAS; BEDS
    • A47C7/00Parts, details, or accessories of chairs or stools
    • A47C7/02Seat parts
    • A47C7/34Seat parts with springs in compression, e.g. coiled

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  • Health & Medical Sciences (AREA)
  • Dentistry (AREA)
  • General Health & Medical Sciences (AREA)
  • Seats For Vehicles (AREA)

Abstract

The invention relates to a non-return locking device of a leg pressing type safety stop lever, which comprises a pressing rod, wherein an installation plate is vertically arranged below the inner part of a seat framework, and a bearing seat is fixedly arranged at the top of the side wall of the installation plate; after a passenger sits on the seat, an operator pedals the pedal to drive the bolt to move downwards in the bolt seat to compress the pressure spring, the top end of the bolt is separated from the non-return gear, the operator rotates the pressure rod to a proper position on the bearing seat through the pressure rod shaft, the pedal is released, the bolt rebounds under the action of the pressure spring, the bolt is meshed with the non-return gear, and non-return locking of the positions of the pressure rods with different rotation angles is realized; the contact part of the safety compression bar and a person is wrapped by softer rubber or fabric, so that the sufficient mechanical strength is ensured, and the body of the person is not contused; meanwhile, the locking device is positioned at the bottom of the front seat, so that passengers are prevented from opening the seat by themselves and can only be locked and opened by an operator, and the safety of the passengers is guaranteed; the whole structure is ingenious, safe and reliable, and the operation is simple.

Description

Non-return locking device of leg pressing type safety stop lever
Technical Field
The invention relates to the technical field of safety facilities of a locking and binding device of a playground seat, in particular to a non-return locking device of a leg pressing type safety stop lever.
Background
When the equipment of amusement ground is used, the tourist needs to be limited and fixed through the safety stop lever or the pressure lever, and the leg pressure type safety stop lever is used as an amusement equipment constraint locking device and mainly used for ensuring the safety of the tourist when the equipment runs.
The non-return locking device of the existing playground seat is complex in structure and complex in operation in the actual use process, the locking mechanism is positioned at a position where a visitor can touch the locking mechanism, and if the passenger is particularly nervous or the child does not have safety awareness, the locking mechanism can be unconsciously touched by the unlocking device, the safety catch lever is opened, and then the safety catch lever cannot play a role in protection, so that certain potential safety hazards are realized.
Disclosure of Invention
The invention aims to provide a non-return locking device of a leg pressing type safety catch lever, and solves the technical problems that the non-return locking device of the existing playground seat is complex in structure and complex in operation in the actual use process, and passengers can open the non-return locking device by themselves in the actual use process to cause the safety constraint locking device to be invalid and have certain potential safety hazards.
In order to achieve the purpose, the invention adopts the following technical scheme:
a non-return locking device of a leg pressing type safety stop lever comprises a pressing rod, a pressing rod shaft, a non-return gear, a bolt seat, a pedal, a pressure spring, a seat framework, an installation plate and an installation seat, wherein the installation plate is vertically arranged below the inner part of the seat framework, a bearing seat is fixedly arranged at the top of the side wall of the installation plate, the bearing seat is rotatably arranged at one end of the pressing rod shaft, the pressing rod is fixedly arranged at the top side of the pressing rod shaft, the non-return gear is sleeved at the outer side of one end of the pressing rod shaft, the bolt seat and the installation seat are arranged at the bottom of the side wall of the installation plate, the installation seat is rotatably connected with the connecting end of the pedal, the bolt is arranged in the bolt seat in a penetrating manner, a boss is arranged at the outer side of the bolt and positioned in the bolt seat, the bottom end of the bolt seat is provided with a seal head in a threaded manner, the pressure spring is sleeved at the outer side of the bolt seat, and two ends of the pressure spring are respectively connected with the boss and the seal head, the bottom end of the bolt is rotatably connected with the middle part of the pedal.
Preferably, the mounting seat is connected with the pedal connecting end through a first pin shaft, and the bottom end of the bolt is connected with the pedal through a second pin shaft.
Preferably, the inside below of seat frame is vertical installs the bracing piece, and the bracing piece top side is provided with the layer board.
Preferably, the non-return gear is meshed with the top end of the bolt.
Preferably, the non-return locking device comprises the following specific operation steps:
when a passenger sits on the seat, the pedal is pedaled by an operator to drive the bolt to move downwards in the bolt seat to compress the pressure spring, the top end of the bolt is separated from the check gear, the pressure rod is rotated to a proper position on the bearing seat through the pressure rod shaft by the operator, the pedal is loosened, the bolt rebounds under the action of the pressure spring, the bolt is meshed with the check gear, and the position check locking of the pressure rod with different rotation angles is realized.
The invention has the beneficial effects that: when a passenger sits on the seat, an operator pedals the pedal to drive the bolt to move downwards in the bolt seat to compress the pressure spring, the top end of the bolt is separated from the check gear, the operator rotates the pressure rod to a proper position on the bearing seat through the pressure rod shaft, the pedal is loosened, the bolt rebounds under the action of the pressure spring and is meshed with the check gear, the position check locking of the pressure rod with different rotation angles is realized, the contact part of the safety pressure rod and a person is wrapped by softer rubber or fabric, so that the enough mechanical strength is ensured, and the body of the passenger is not bruised; meanwhile, the locking device is positioned at the bottom of the front seat, so that passengers are prevented from opening the front seat by themselves and can only be locked and opened by an operator, the safety of the passengers is guaranteed, the integral structure is ingenious, and the locking device is safe, reliable and simple to operate.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
FIG. 2 is a schematic view of a mounting plate mounting structure of the present invention;
FIG. 3 is a front view of the present invention;
FIG. 4 is an enlarged view of area A of FIG. 3 according to the present invention.
Illustration of the drawings:
1. a pressure lever; 2. a pressure bar shaft; 3. a non-return gear; 4. a bolt; 5. a bolt seat; 6. a pedal; 7. a first pin shaft; 8. a second pin shaft; 9. a pressure spring; 10. a seat frame; 11. mounting a plate; 12. a mounting seat; 13. a support rod.
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.
Specific examples are given below.
Referring to fig. 1 to 4, a non-return locking device of a leg pressing type safety catch lever comprises a pressing rod 1, a pressing rod shaft 2, a non-return gear 3, a bolt 4, a bolt seat 5, a pedal 6, a pressure spring 9, a seat framework 10, a mounting plate 11 and a mounting seat 12, wherein the mounting plate 11 is vertically arranged below the inner part of the seat framework 10, the top of the side wall of the mounting plate 11 is fixedly provided with a bearing seat, the bearing seat is rotatably mounted with one end of the pressing rod shaft 2, the top side of the pressing rod shaft 2 is fixedly provided with the pressing rod 1, the non-return gear 3 is sleeved outside one end of the pressing rod shaft 2, the bottom of the side wall of the mounting plate 11 is provided with the bolt seat 5 and the mounting seat 12, the mounting seat 12 is rotatably connected with the connecting end of the pedal 6, the bolt 4 is penetratingly mounted inside the bolt seat 5, a boss is mounted outside the bolt 4 and located inside the bolt seat 5, the end socket is threadedly mounted at the bottom of the bolt seat 5, the pressure spring 9 is sleeved outside the bolt seat 5, and two ends of a pressure spring 9 are respectively connected with the lug boss and the seal head, and the bottom end of the bolt 4 is rotatably connected with the middle part of the pedal 6.
As an embodiment of the invention, the connecting end of the mounting seat 12 and the pedal 6 is connected through a first pin 7, and the bottom end of the bolt 4 is connected with the pedal 6 through a second pin 8, so that the rotary connection mounting between structures is realized.
As an embodiment of the invention, a support rod 13 is vertically arranged below the inner part of the seat framework 10, and a support plate is arranged on the top side of the support rod 13, so that when the pressure rod 1 stops at the limit position, the support plate of the support rod 13 plays a role in supporting and limiting.
In one embodiment of the present invention, the reverse gear 3 is engaged with the top end of the bolt 4, and the fixing of the pressing rod 1 is achieved by the engagement of the reverse gear 3 and the bolt 4.
As an embodiment of the present invention, the non-return locking device specifically comprises the following operation steps:
when a passenger sits on the seat, the pedal 6 is pedaled by an operator to drive the bolt 4 to move downwards in the bolt seat 5 to compress the pressure spring 9, the top end of the bolt 4 is separated from the non-return gear 3, the operator rotates the pressure rod 1 to a proper position on the bearing seat through the pressure rod shaft 2, the pedal 6 is loosened, the bolt 4 rebounds under the action of the pressure spring 9, and the bolt 4 is meshed with the non-return gear 3 to realize the non-return locking of the positions of the pressure rod 1 with different rotation angles.
After the passenger sits on the seat, the pedal 6 is pedaled by the operator, the bolt 4 is driven to move downwards in the bolt seat 5, the pressure spring 9 is compressed, the top end of the bolt 4 is separated from the check gear 3 at the moment, the operator rotates the pressure rod 1 to a proper position on the bearing seat through the pressure rod shaft 2, the pedal 6 is loosened, the bolt 4 rebounds under the action of the pressure spring 9, the bolt 4 is meshed with the check gear 3, the position check locking of the pressure rod 1 with different rotation angles is realized, the whole structure is ingenious, the safety and reliability are realized, and the operation is simple.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims (5)

1. A non-return locking device of a leg pressing type safety stop lever is characterized by comprising a pressing rod (1), a pressing rod shaft (2), a non-return gear (3), a bolt (4), a bolt seat (5), a pedal (6), a pressure spring (9), a seat framework (10), an installation plate (11) and an installation seat (12), wherein the installation plate (11) is vertically installed below the inner part of the seat framework (10), a bearing seat is fixedly installed at the top of the side wall of the installation plate (11), the bearing seat is rotatably installed with one end of the pressing rod shaft (2), the top side of the pressing rod shaft (2) is fixedly provided with the pressing rod (1), the non-return gear (3) is sleeved on the outer side of one end of the pressing rod shaft (2), the bolt seat (5) and the installation seat (12) are installed at the bottom of the side wall of the installation plate (11), the connection end of the installation seat (12) is rotatably connected with, the outer side of the bolt (4) is located on the inner portion of the bolt seat (5) and is provided with a boss, the bottom end of the bolt seat (5) is provided with a seal head in a threaded mode, a pressure spring (9) is sleeved on the outer side of the bolt seat (5), two ends of the pressure spring (9) are connected with the boss and the seal head respectively, and the bottom end of the bolt (4) is connected with the middle of the pedal (6) in a rotating mode.
2. The backstop locking device of the leg-press type safety catch lever according to claim 1, characterized in that the connecting end of the mounting seat (12) and the pedal (6) is connected through a first pin (7), and the bottom end of the bolt (4) is connected with the pedal (6) through a second pin (8).
3. The backstop locking device for leg-press type safety catch bar according to claim 1 is characterized in that a support bar (13) is vertically installed below the inside of the seat frame (10), and a supporting plate is arranged on the top side of the support bar (13).
4. The backstop locking device for leg-press type safety catch according to claim 1 is characterized in that the backstop gear (3) is meshed with the top end of the bolt (4).
5. An anti-backlocking device of leg-press type safety catch according to any one of claims 1-4, wherein the anti-backlocking device is operated by the following steps:
after the passenger sits the seat, pedal (6) is ridden to the operator, drive bolt (4) and move down in bolt seat (5), compress pressure spring (9), bolt (4) top breaks away from return gear (3) this moment, operating personnel is rotatory to suitable position on the bearing frame through pressure lever axle (2) depression bar (1), loosen footboard (6), bolt (4) kick-backs under pressure spring (9) effect, bolt (4) and return gear (3) meshing, realize the position of different turned angle depression bars (1) and end contrary locking.
CN202110743790.2A 2021-06-30 2021-06-30 Non-return locking device of leg pressing type safety stop lever Pending CN113349579A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110743790.2A CN113349579A (en) 2021-06-30 2021-06-30 Non-return locking device of leg pressing type safety stop lever

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110743790.2A CN113349579A (en) 2021-06-30 2021-06-30 Non-return locking device of leg pressing type safety stop lever

Publications (1)

Publication Number Publication Date
CN113349579A true CN113349579A (en) 2021-09-07

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Application Number Title Priority Date Filing Date
CN202110743790.2A Pending CN113349579A (en) 2021-06-30 2021-06-30 Non-return locking device of leg pressing type safety stop lever

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797119A (en) * 2022-04-14 2022-07-29 广州睿美迅文化科技有限公司 Safe locking device, recreation passenger cabin and recreation facility
CN115807770A (en) * 2023-02-02 2023-03-17 烟台中宇航空液压有限公司 Gear pump

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201459633U (en) * 2008-12-30 2010-05-12 石家庄中岗智能设备有限公司 Pedal type guardrail switch
CN205391495U (en) * 2016-03-01 2016-07-27 广州卓远机械有限公司 Depression bar machinery locking device of seat locks safely
CN207328218U (en) * 2016-12-31 2018-05-08 十堰博硕汽车零部件有限公司 A kind of chain feet supporting self-locking device
CN108579098A (en) * 2017-12-18 2018-09-28 北京中冶设备研究设计总院有限公司 A kind of sideshake roller-coaster
CN111265891A (en) * 2020-03-31 2020-06-12 福建省特种设备检验研究院 Amusement facility pressure bar device capable of preventing passengers from opening by themselves and using method

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN201459633U (en) * 2008-12-30 2010-05-12 石家庄中岗智能设备有限公司 Pedal type guardrail switch
CN205391495U (en) * 2016-03-01 2016-07-27 广州卓远机械有限公司 Depression bar machinery locking device of seat locks safely
CN207328218U (en) * 2016-12-31 2018-05-08 十堰博硕汽车零部件有限公司 A kind of chain feet supporting self-locking device
CN108579098A (en) * 2017-12-18 2018-09-28 北京中冶设备研究设计总院有限公司 A kind of sideshake roller-coaster
CN111265891A (en) * 2020-03-31 2020-06-12 福建省特种设备检验研究院 Amusement facility pressure bar device capable of preventing passengers from opening by themselves and using method

Non-Patent Citations (3)

* Cited by examiner, † Cited by third party
Title
宋伟科 等编著: "《大型游乐设施典型案例》", 30 November 2015, 同济大学出版社, pages: 133 *
李向东 等主编: "《大型游乐设施安全管理与作业人员培训教程》", 30 April 2018, 机械工业出版社, pages: 298 - 299 *
魏春荣 刘赫男 主编: "《机械安全与电气安全》", 31 August 2018, 中国矿业大学出版社, pages: 227 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114797119A (en) * 2022-04-14 2022-07-29 广州睿美迅文化科技有限公司 Safe locking device, recreation passenger cabin and recreation facility
CN114797119B (en) * 2022-04-14 2022-12-06 广州睿美迅文化科技有限公司 Safe locking device, recreation passenger cabin and recreation facility
CN115807770A (en) * 2023-02-02 2023-03-17 烟台中宇航空液压有限公司 Gear pump

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