CN110607967B - Safety protection device for vacuum cavity door - Google Patents
Safety protection device for vacuum cavity door Download PDFInfo
- Publication number
- CN110607967B CN110607967B CN201910842650.3A CN201910842650A CN110607967B CN 110607967 B CN110607967 B CN 110607967B CN 201910842650 A CN201910842650 A CN 201910842650A CN 110607967 B CN110607967 B CN 110607967B
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- China
- Prior art keywords
- vacuum cavity
- cavity door
- supporting wheel
- door
- wheel
- 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.)
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Links
- 238000000034 method Methods 0.000 claims abstract description 7
- 230000001960 triggered effect Effects 0.000 claims description 3
- 230000005484 gravity Effects 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003028 elevating effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05F—DEVICES FOR MOVING WINGS INTO OPEN OR CLOSED POSITION; CHECKS FOR WINGS; WING FITTINGS NOT OTHERWISE PROVIDED FOR, CONCERNED WITH THE FUNCTIONING OF THE WING
- E05F7/00—Accessories for wings not provided for in other groups of this subclass
- E05F7/06—Devices for taking the weight of the wing, arranged away from the hinge axis
Landscapes
- Pressure Vessels And Lids Thereof (AREA)
Abstract
The invention relates to a vacuum cavity door safety protection device which is arranged at the bottom corner end of one side of a handle of a vacuum cavity door and comprises a main cylinder fixed on the vacuum cavity door body, a piston rod of the main cylinder is connected with a supporting wheel, the supporting wheel is pushed by the main cylinder to upwards support the vacuum cavity door in the opening and closing process of the vacuum cavity door, an axial bolt hole is formed in the supporting wheel, and a ball bolt for locking the supporting wheel is arranged on the side surface of the supporting wheel after the vacuum cavity door is opened and closed in place and inserted into the axial bolt hole. According to the invention, after the vacuum cavity door is opened and closed in place, the main cylinder is adopted to push the supporting wheel to support the vacuum cavity door, so that serious safety hazard caused by the fact that the vacuum cavity door is overturned to one side due to the action of gravity is effectively prevented. Meanwhile, the occurrence of safety accidents caused by overturning or overturning of the cavity due to forward movement of the gravity center of the vacuum cavity door caused by the door opening in the maintenance process of the vacuum cavity is prevented.
Description
Technical Field
The invention relates to a safety protection device for a vacuum cavity door.
Background
The vacuum cavity door has the structural characteristics that the door body has large weight, so that the door is inconvenient to open and close due to the fact that the door body has too heavy weight when the door is opened and closed; in addition, after the door is opened, the door body and the vacuum cavity are connected by virtue of the gravity effect, so that the door body and the vacuum cavity are easy to deform, when the inside of the vacuum cavity is opened for maintenance, after the components in the cavity are taken out, the weight of the cavity is reduced, the weight of the door is still unchanged, and when the door is opened, the door is easy to overturn to one side, so that serious safety hazard occurs.
Disclosure of Invention
The invention aims to solve the technical problems that: in order to overcome the defects in the prior art, the invention provides a safety protection device for a vacuum cavity door, so as to improve the use safety of the vacuum cavity door.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a vacuum cavity door safety device installs in vacuum cavity door's handle one side base angle end, including fixing the master cylinder on vacuum cavity door body, master cylinder piston rod is connected with the supporting wheel, the supporting wheel is upwards supported vacuum cavity door by master cylinder promotion in vacuum cavity door switching in-process, has offered axial bolt hole on the supporting wheel, and the supporting wheel side is equipped with the ball bolt of inserting the dead supporting wheel of axial bolt hole internal lock after vacuum cavity door switching is put in place.
Further, a frame with a downward door-shaped opening is fixed on the door body of the vacuum cavity door, the supporting wheel is positioned between the two side plates of the frame, and the ball bolt passes through a through hole on the side plate of the frame and is inserted into an axial bolt hole on the supporting wheel.
In order to realize the rapid movement of the ball bolt, the ball bolt is pushed by a single-acting cylinder arranged on the outer side surface of the wheel frame to be inserted into or separated from the axial bolt hole.
Specifically, in order to realize the steady support to vacuum cavity door, the door body of vacuum cavity door on be fixed with the base of installation master cylinder, the base below is equipped with and is connected with the master cylinder and reverse support in the supporting seat on ground when the supporting wheel supports vacuum cavity door, the base up end slides and is equipped with the crane, the supporting wheel is fixed at the crane up end, master cylinder piston rod promotes the crane and makes elevating movement and realize that the supporting wheel supports or breaks away from the wheel carrier.
In order to realize the telescopic movement of the piston rod of the main cylinder, the protection device further comprises an air inlet pipe and an air outlet pipe, a linkage mechanism for realizing air inlet and outlet reversing is arranged between the air inlet pipe and the air outlet pipe, and an air inlet and outlet port of the main cylinder is connected with a pipeline of the linkage mechanism.
The beneficial effects of the invention are as follows: according to the invention, after the vacuum cavity door is opened and closed in place, the main cylinder is adopted to push the supporting wheel to support the vacuum cavity door, so that serious safety hazard caused by the fact that the vacuum cavity door is overturned to one side due to the action of gravity is effectively prevented. Meanwhile, the occurrence of safety accidents caused by overturning or overturning of the cavity due to forward movement of the gravity center of the vacuum cavity door caused by the door opening in the maintenance process of the vacuum cavity is prevented.
Drawings
The invention will be further described with reference to the drawings and embodiments.
Fig. 1 is a schematic structural view of the present invention.
Figure 2 is a schematic view of the installation guard on the vacuum chamber door.
In the figure: 1. the vacuum cavity door 2, the handle 3, the main cylinder 4, the supporting wheel 5, the axial bolt hole 6, the ball bolt 7, the wheel carrier 8, the single-acting cylinder 9, the base 10, the supporting seat 11, the lifting frame 12, the air inlet pipe 13, the air outlet pipe 14, the linkage mechanism 15, the rotary shaft 16 and the protection device.
Detailed Description
The invention will now be described in further detail with reference to the accompanying drawings. The drawings are simplified schematic representations which merely illustrate the basic structure of the invention and therefore show only the structures which are relevant to the invention.
The vacuum cavity door safety protection device is shown in fig. 1, one side of the vacuum cavity door 1 is hinged with the vacuum cavity through a rotating shaft 15, and the other side of the vacuum cavity door 1 is provided with a handle 2.
The protection device 16 is arranged at the bottom corner end of one side of the handle 2 of the vacuum cavity door 1, and comprises a base 9 fixed on the door body of the vacuum cavity door 1, a main cylinder 3 is arranged on the base 9, a lifting frame 11 is slidably arranged on the upper end face of the base 9, a supporting wheel 4 is fixed on the upper end face of the lifting frame 11, a piston rod of the main cylinder 3 is connected with the lifting frame 11 to push the supporting wheel 4 to lift, a supporting seat 10 connected with the main cylinder 3 is arranged below the base 9, and the support wheel 4 is reversely supported on the ground when supporting the vacuum cavity door 1.
The door body of the vacuum cavity door 1 is fixedly provided with a wheel frame 7 with a downward door-shaped opening, the supporting wheel 4 is positioned between two side plates of the wheel frame 7, an axial bolt hole 5 is formed in the supporting wheel 4, a ball bolt 6 is arranged on the side surface of the supporting wheel 4, the ball bolt 6 is pushed by a single-acting air cylinder 8 arranged on the outer side surface of the wheel frame 7, and penetrates through a through hole in the side plate of the wheel frame 7 to be inserted into or separated from the axial bolt hole 5, so that the supporting wheel 4 is locked or unlocked.
A trigger switch is provided on the inner side of the handle 2, which is triggered by the grip of the operator's hand to control the operation of the single-acting cylinder 8.
The protection device 16 further comprises an air inlet pipe 12 and an air outlet pipe 13, a linkage mechanism 14 for realizing air inlet and outlet reversing of the main cylinder 3 is arranged between the air inlet pipe 12 and the air outlet pipe 13, and an air inlet and outlet port of the main cylinder 3 is connected with the linkage mechanism 14 in a pipeline mode.
The piston rod of the main cylinder 3 pushes the lifting frame 11 to do lifting motion so as to realize the supporting or separating of the supporting wheel 4 from the wheel frame 7.
When the vacuum cavity door 1 is used, the weight of the vacuum cavity door 1 is calculated, the air inlet pressure corresponding to the main cylinder 3 is set, and the supporting force of the main cylinder 3 is ensured to be equal to the unilateral weight of the vacuum cavity door 1.
When the door is opened and closed, the main cylinder 3 pushes the supporting wheel 4 to lift up to prop the wheel frame 7 to support the vacuum cavity door 1, and under the action of the reaction force, the main cylinder 3 pushes the supporting seat 10 to reversely support the vacuum cavity door 1 on the ground, so that the vacuum cavity door 1 is supported after the door is opened and closed in place, and serious safety hazards caused by the fact that the vacuum cavity door 1 is overturned to one side are prevented. Meanwhile, the vacuum cavity is prevented from overturning or overturning due to the fact that the gravity center moves forward in the maintenance process due to the fact that the door is opened, and the purpose of preventing accidents and safety in the maintenance process is achieved.
Unlocking or locking of the support wheel 4: when the door is opened, an operator grips the handle 2, so that a trigger switch on the handle 2 is triggered by the grip of the hand, the single-acting cylinder 8 is controlled to act, the ball bolt 6 inserted into the axial bolt hole 5 of the supporting wheel 4 is pulled out, and the vacuum cavity door 1 rotates around the rotating shaft 15 under the thrust action of the operator. After the door is opened in place, the handle 2 is loosened, the trigger switch returns to the original state, the single-acting cylinder 8 pushes the ball bolt 6 to be inserted into the axial bolt hole 5, the supporting wheel 4 is locked again, and the damage caused by random rotation of the vacuum cavity door 1 is prevented.
With the above-described preferred embodiments according to the present invention as an illustration, the above-described descriptions can be used by persons skilled in the relevant art to make various changes and modifications without departing from the scope of the technical idea of the present invention. The technical scope of the present invention is not limited to the description, but must be determined according to the scope of claims.
Claims (2)
1. A vacuum cavity door safety protection device is arranged at the bottom corner end of one side of a handle (2) of a vacuum cavity door (1), and is characterized in that: the vacuum cavity door comprises a main cylinder (3) fixed on a vacuum cavity door body (1), a piston rod of the main cylinder (3) is connected with a supporting wheel (4), the supporting wheel (4) is pushed by the main cylinder (3) to upwards support the vacuum cavity door (1) in the opening and closing process of the vacuum cavity door (1), an axial bolt hole (5) is formed in the supporting wheel (4), and a ball bolt (6) for locking the supporting wheel (4) is arranged on the side surface of the supporting wheel (4) after the vacuum cavity door (1) is opened and closed in place and is inserted into the axial bolt hole (5);
The door body of the vacuum cavity door (1) is fixedly provided with a wheel frame (7) with a downward door-shaped opening, the supporting wheel (4) is positioned between two side plates of the wheel frame (7), and the ball bolt (6) passes through a through hole on the side plate of the wheel frame (7) and is inserted into an axial bolt hole (5) on the supporting wheel (4);
A base (9) for installing a main air cylinder (3) is fixed on the door body of the vacuum cavity door (1), a supporting seat (10) which is connected with the main air cylinder (3) and reversely supported on the ground when the supporting wheel (4) supports the vacuum cavity door (1) is arranged below the base (9), a lifting frame (11) is slidably arranged on the upper end surface of the base (9), the supporting wheel (4) is fixed on the upper end surface of the lifting frame (11), and a piston rod of the main air cylinder (3) pushes the lifting frame (11) to do lifting motion so as to realize the supporting or separating of the supporting wheel (4) from the wheel frame (7);
the ball bolt (6) is pushed by a single-acting cylinder (8) arranged on the outer side surface of the wheel frame (7) to be inserted into or separated from the axial bolt hole (5), and a trigger switch which is triggered by the grip strength of an operator hand and controls the single-acting cylinder (8) to act is arranged on the inner side of the handle (2).
2. The vacuum cavity door safety device of claim 1, wherein: the air inlet and outlet reversing device is characterized by further comprising an air inlet pipe (12) and an air outlet pipe (13), wherein a linkage mechanism (14) for realizing air inlet and outlet reversing is arranged between the air inlet pipe (12) and the air outlet pipe (13), and an air inlet and outlet port of the main air cylinder (3) is connected with the linkage mechanism (14) through a pipeline.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842650.3A CN110607967B (en) | 2019-09-06 | 2019-09-06 | Safety protection device for vacuum cavity door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910842650.3A CN110607967B (en) | 2019-09-06 | 2019-09-06 | Safety protection device for vacuum cavity door |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110607967A CN110607967A (en) | 2019-12-24 |
| CN110607967B true CN110607967B (en) | 2024-05-07 |
Family
ID=68892277
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910842650.3A Active CN110607967B (en) | 2019-09-06 | 2019-09-06 | Safety protection device for vacuum cavity door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110607967B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231062A (en) * | 1992-02-25 | 1993-09-07 | Osaka Kanagu Kk | Support device for door |
| KR20110133865A (en) * | 2010-06-07 | 2011-12-14 | 신정철 | Roller assembly of sliding door for furniture |
| EP2636834A1 (en) * | 2012-03-07 | 2013-09-11 | Sliding S.R.L. | Trolley assembly for support and movement of sliding panels of furniture or doors |
| KR20160065560A (en) * | 2014-12-01 | 2016-06-09 | 태림엔지니어링주식회사 | pressure seal type slide door |
| CN205382845U (en) * | 2016-01-22 | 2016-07-13 | 杭州人防设备有限公司 | Civil defense door |
| CN206360533U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Closed guard gate's support meanss |
| CN107630620A (en) * | 2017-10-18 | 2018-01-26 | 无锡锡东能源科技有限公司 | A kind of pneumatic type insertion plate door |
| CN211115359U (en) * | 2019-09-06 | 2020-07-28 | 常州卓研精机科技有限公司 | Vacuum cavity door safety device |
-
2019
- 2019-09-06 CN CN201910842650.3A patent/CN110607967B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05231062A (en) * | 1992-02-25 | 1993-09-07 | Osaka Kanagu Kk | Support device for door |
| KR20110133865A (en) * | 2010-06-07 | 2011-12-14 | 신정철 | Roller assembly of sliding door for furniture |
| EP2636834A1 (en) * | 2012-03-07 | 2013-09-11 | Sliding S.R.L. | Trolley assembly for support and movement of sliding panels of furniture or doors |
| KR20160065560A (en) * | 2014-12-01 | 2016-06-09 | 태림엔지니어링주식회사 | pressure seal type slide door |
| CN205382845U (en) * | 2016-01-22 | 2016-07-13 | 杭州人防设备有限公司 | Civil defense door |
| CN206360533U (en) * | 2017-01-03 | 2017-07-28 | 无锡市天宇民防建筑设计研究院有限公司 | Closed guard gate's support meanss |
| CN107630620A (en) * | 2017-10-18 | 2018-01-26 | 无锡锡东能源科技有限公司 | A kind of pneumatic type insertion plate door |
| CN211115359U (en) * | 2019-09-06 | 2020-07-28 | 常州卓研精机科技有限公司 | Vacuum cavity door safety device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110607967A (en) | 2019-12-24 |
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