CN109972943B - Door open and close position locking mechanism - Google Patents
Door open and close position locking mechanism Download PDFInfo
- Publication number
- CN109972943B CN109972943B CN201910345827.9A CN201910345827A CN109972943B CN 109972943 B CN109972943 B CN 109972943B CN 201910345827 A CN201910345827 A CN 201910345827A CN 109972943 B CN109972943 B CN 109972943B
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- pedal
- shell
- locking mechanism
- lock pin
- column
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- 238000005452 bending Methods 0.000 claims description 45
- 238000000034 method Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006378 damage Effects 0.000 description 3
- 238000007689 inspection Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 208000027418 Wounds and injury Diseases 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 208000014674 injury Diseases 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000001681 protective effect Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
Classifications
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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
- E05C17/44—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 device carried on the wing for frictional or like engagement with a fixed flat surface, e.g. for holding wings open or closed by retractable feet
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- E—FIXED CONSTRUCTIONS
- E06—DOORS, WINDOWS, SHUTTERS, OR ROLLER BLINDS IN GENERAL; LADDERS
- E06B—FIXED OR MOVABLE CLOSURES FOR OPENINGS IN BUILDINGS, VEHICLES, FENCES OR LIKE ENCLOSURES IN GENERAL, e.g. DOORS, WINDOWS, BLINDS, GATES
- E06B7/00—Special arrangements or measures in connection with doors or windows
- E06B7/28—Other arrangements on doors or windows, e.g. door-plates, windows adapted to carry plants, hooks for window cleaners
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Lock And Its Accessories (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
The invention discloses a door opening and closing position locking mechanism, comprising: the device comprises a rectangular shell, a lock pin, a limiting column, two extension springs and an A pedal, wherein the lock pin is inserted on the shell and can move up and down, the limiting column is transversely inserted on the shell, the two extension springs are arranged in the shell and are symmetrical with the lock pin, the A pedal is arranged on the shell and used for controlling the lock pin to move downwards, and the B pedal is arranged on the limiting column and used for controlling the lock pin to move upwards; the limiting column is vertically and fixedly connected with the lock pin in the shell; the stretching spring limits the limit column to be positioned at the uppermost part of the strip-shaped hole under the condition of not being subjected to external force; the pedal A and the pedal B are linked through a movable rotating shaft; the pedal A is stepped on, and the limit column moves downwards along the strip-shaped hole so that the locking mechanism is correspondingly in a locking state; and the pedal B is stepped on, and the limit column moves upwards along the strip-shaped hole so that the locking mechanism is correspondingly in an initial state. Through the mode, the device can fix any opening position of the equipment door in a pedal mode, is easy to operate and has good safety.
Description
Technical Field
The invention relates to the field of large vertical metal equipment, in particular to a door opening and closing position locking mechanism.
Background
In large-scale vertical metal equipment, the open angle position of the equipment door needs to be fixed after the equipment door is opened so as to facilitate subsequent operation; particularly, when the large-sized vertical metal equipment is subjected to debugging inspection, the equipment door is often required to be stopped in an intermediate area between the maximum angular positions of the equipment door closing and the equipment door opening. The existing device door is fixed at the opening position basically by adopting ropes, namely one end of each rope is bound on a door handle, and the other end of each rope is bound on a device fixing table; however, the rope fixing mode is not standard and safe, and is only suitable for temporary fixing. Also, some are fixed by installing an L-shaped door bolt on the equipment door through the L-shaped door bolt; however, when the L-shaped door bolt is fixed, the L-shaped door bolt needs to be manually rotated for a certain angle and then inserted, and the L-shaped door bolt is positioned at the lower edge of the equipment door, so that the operation is very inconvenient, the ergonomics are not met, and the L-shaped door bolt needs to be manually inserted in a low head and at a bending position; in addition, the door of the equipment is operated in an active state, and potential safety hazards exist, so the door of the equipment is rarely adopted.
Disclosure of Invention
The invention mainly solves the technical problem of providing a door opening and closing position locking mechanism which can fix any opening position of an equipment door in a pedal mode, is easy to operate and has good safety.
In order to solve the technical problems, the invention adopts a technical scheme that: provided is a door opening/closing position locking mechanism including: the device comprises a rectangular shell, a lock pin, a limiting column, two extension springs and a pedal A, wherein the lock pin is inserted into the shell and can move up and down, the limiting column is transversely inserted into the shell, the two extension springs are arranged in the shell and are symmetrical with respect to the lock pin, the pedal A controls the lock pin to move downwards, and the pedal B controls the lock pin to move upwards; the limiting column is vertically and fixedly connected with the lock pin in the shell, and two ends of the limiting column extend out of the shell; the hole in the shell, from which the limit post extends, is a bar-shaped hole, and the length direction of the bar-shaped hole is the same as the moving direction of the lock pin; the upper end of the extension spring is fixed on the shell, the lower end of the extension spring is fixed on the limit column, and the extension spring limits the limit column to be positioned at the uppermost part of the strip-shaped hole under the condition of not being subjected to external force; fixing columns are symmetrically arranged on two side walls of the shell, and the axes of the fixing columns are parallel to the axes of the limiting columns; the pedal A and the pedal B are both in a door shape, the pedal A comprises an upper stepping part and two symmetrical upper arm bending parts, the end parts of the upper arm bending parts are rotatably arranged on the fixed columns, and the middle parts of the upper arm bending parts are bent downwards; the pedal B comprises a pedal part and two symmetrical lower arm bent parts, the end parts of the lower arm bent parts are rotatably arranged on the extending ends of the limiting posts, the middle parts of the lower arm bent parts are bent upwards, and the bent parts of the lower arm bent parts are hinged with the bent parts of the upper arm bent parts through movable rotating shafts; the distance from the movable rotating shaft to the outer edge of the lower pedal part is smaller than the distance from the movable rotating shaft to the inner edge of the upper pedal part, and the lower arm bending part is positioned at the inner side of the upper arm bending part;
during the step of stepping on the A pedal or the B pedal: at a certain moment, the axis of the movable rotating shaft can be positioned on the same plane with the axis of the fixed column and the axis of the limiting column, the plane is a middle plane correspondingly, and at the moment, the stretching value of the stretching spring is the largest, and the limiting column is positioned at the lowest part of the strip-shaped hole;
when the pedal A is stepped on, the pedal A rotates downwards around the fixed column, the movable rotating shaft moves forwards and backwards, the pedal B rotates upwards around the limit column in a linkage manner, and the limit column moves downwards along the strip-shaped hole, so that the lock pin is controlled to extend downwards; after the movable rotating shaft moves backwards beyond the middle plane, the limit column moves upwards along the strip-shaped hole until the treading part of the pedal B abuts against the shell and then stops; the locking mechanism is correspondingly in a locking state at the moment;
when the pedal B is stepped on, the pedal B rotates downwards around the limit column, the movable rotating shaft moves forwards from back to front, the pedal A rotates upwards around the fixed column in a linkage manner, and the limit column moves downwards along the strip-shaped hole so as to exit the locking state; after the movable rotating shaft moves forwards beyond the middle plane, the limit column moves upwards along the bar-shaped hole, and if the pedal B is released, the limit column still moves upwards along the bar-shaped hole under the action of the tension spring to control the lock pin to retract upwards until the limit column is positioned at the uppermost part of the bar-shaped hole; the lock mechanism at this time is correspondingly in the initial state.
Preferably, the locking mechanism is fixedly arranged at the lower edge of the equipment door through a base, and the locking mechanism is close to the opening and closing side of the equipment door.
Preferably, the shell comprises a rear fixing plate fixedly connected with the base, an upper fixing plate, a lower fixing plate and two side fixing plates, wherein the upper fixing plate, the lower fixing plate and the two side fixing plates are vertically fixed on the rear fixing plate and are arranged around the rear fixing plate; the upper fixing plate and the lower fixing plate are respectively provided with an avoidance hole for the lock pin to pass through in an up-and-down movable way; the two strip-shaped holes are respectively positioned on the two side fixing plates; the two side fixing plates are symmetrically provided with fixing holes, and the fixing columns are rotatably clamped on the fixing holes.
Preferably, the shell further comprises a flange plate fixed on the rear fixing plate, and the flange plate is fixedly connected with the base through a flange fastener.
Preferably, the base is welded on the equipment door, the flange plate is welded on the rear fixing plate, and the flange fastener penetrates through the mounting hole on the base to be in threaded connection with the threaded hole on the flange plate.
Preferably, the front end of the shell is provided with a mounting opening which is convenient for mounting parts inside, and the shell is detachably provided with a protection panel for closing the mounting opening.
Preferably, the protection panel comprises a baffle plate part and two side plate parts perpendicular to the baffle plate part, the baffle plate part is opposite to the mounting opening so as to seal the mounting opening, and the side plate parts are fixedly connected with the shell through panel screws.
Preferably, an a hole for the fixing column to pass through is formed in the end part of the upper arm bending part, and a circle of annular protruding parts positioned between the upper arm bending part and the shell are arranged on the fixing column; the end part of the lower arm bending part is provided with a b hole for the extending end of the limiting column to pass through.
Preferably, the bending part of the upper arm bending part is provided with a c hole for the movable rotating shaft to pass through, the bending part of the lower arm bending part is provided with a d hole for the movable rotating shaft to pass through, and the movable rotating shaft is sleeved with a gasket for separating the upper arm bending part from the lower arm bending part.
Preferably, the upper end of the extension spring is fixed on the shell through a hanging pin; grooves for hanging and clamping two ends of the extension spring are formed in the hanging pin and the limiting column respectively.
The beneficial effects of the invention are as follows: the invention can fix any opening position of the equipment door in a pedal mode, accords with ergonomics, is easy to operate, is convenient for operators to observe the front and back conditions of the equipment door, and solves the hidden trouble of industrial injury caused by the displacement of the equipment door in the maintenance or debugging and inspection process; the structure is simple, and the fixing effect is good.
Drawings
FIG. 1 is a schematic perspective view showing a door opening and closing position locking mechanism of the present invention in an initial state;
FIG. 2 is a schematic view showing a left-hand construction of a door opening and closing position locking mechanism of the present invention in an initial state;
FIG. 3 is a schematic view showing a front view of a door opening and closing position locking mechanism of the present invention with a protective panel removed in an initial state;
FIG. 4 is a schematic perspective view showing a door opening and closing position locking mechanism of the present invention in a locked state;
FIG. 5 is a schematic view showing a left-hand construction of a door opening and closing position locking mechanism of the present invention in a locked state;
FIG. 6 is a schematic view showing an exploded construction of a door opening and closing position locking mechanism of the present invention;
FIG. 7 is a schematic view showing the structure of a door opening and closing position locking mechanism of the present invention when mounted on an equipment door;
fig. 8 is an enlarged schematic view of the structure at F in fig. 7.
The components in the drawings are marked as follows: 1. a locking mechanism; 11. a housing; 111. a bar-shaped hole; 112. fixing the column; 113. a flange plate; 114. a flange fastener; 12. a protective panel; 121. a panel screw; 13. a locking pin; 14. a limit column; 15. a hanging pin; 16. a tension spring; 17. a pedal A; 18. a pedal B; 19. a movable rotating shaft; 2. a base; 3. a device door.
Detailed Description
The preferred embodiments of the present invention will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present invention can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present invention.
Referring to fig. 1 to 8, an embodiment of the present invention includes:
a door opening and closing position locking mechanism 1 is fixedly installed at the lower edge of an equipment door 3 through a base 2 and is close to the opening and closing side of the equipment door 3. The benefits of the fixed installation through the base 2 are: the device is convenient to install, the relative position relation between the locking mechanism 1 and the equipment door 3 can be adjusted according to the actual installation condition, meanwhile, the stability between the locking mechanism 1 and the equipment door 3 can be improved, and the overall structural strength is higher after installation. The benefits of being close to the open and close sides are: when the equipment door 3 is fixed, the same external force condition minimizes the bearing force, and the service life is ensured.
The lock mechanism 1 includes: the device comprises a shell 11, a protection panel 12, a lock pin 13, a limit post 14, a hanging pin 15, a tension spring 16, an A pedal 17 and a B pedal 18. The shell 11 is rectangular, and the front end of the shell 11 is provided with an installation opening which is convenient for installing parts in the shell; the protection panel 12 is detachably arranged at the mounting opening of the shell 11, and the protection panel 12 seals the mounting opening so as to protect feet from being trapped in the shell 11 when the pedal A17 or the pedal B18 is stepped on; specifically, the protection panel 12 includes a baffle portion opposite to the mounting opening to close the mounting opening, and two side plate portions perpendicular to the baffle portion, the side plate portions being fixedly connected to the housing 11 by panel screws 121. The lock pin 13 is inserted in the housing 11 so as to be movable up and down. The shell 11 comprises a rear fixing plate fixedly connected with the base 2, an upper fixing plate, a lower fixing plate and two side fixing plates, wherein the upper fixing plate, the lower fixing plate and the two side fixing plates are vertically fixed on the rear fixing plate and are arranged around the rear fixing plate. The upper fixing plate and the lower fixing plate are respectively provided with an avoidance hole through which the lock pin 13 vertically moves, and two ends of the lock pin 13 respectively correspondingly pass through the two avoidance holes and extend out of the shell 11. A pair of fixing holes and a pair of strip-shaped holes 111 are symmetrically formed in the two side fixing plates, the fixing holes are located above the strip-shaped holes 111, and the fixing holes are located in the length direction of the strip-shaped holes 111; the length direction of the strip-shaped hole 111 is the same as the moving direction of the lock pin 13. The fixing hole is internally and rotatably provided with a fixing column 112. The limiting columns 14 are vertically inserted into the locking pins 13, and two ends of each limiting column 14 extend to the two side fixing plates respectively and extend out of the corresponding strip-shaped holes 111; specifically, the stopper post 14 is spot-welded integrally with the lock pin 13. The shell 11 further comprises a flange plate 113 fixed on the rear fixing plate, and the flange plate 113 is fixedly connected with the base 2 through a flange fastener 114; specifically, the base 2 is welded to the equipment door 3, the flange plate 113 is welded to the rear fixing plate, and the flange fastener 114 is screwed with the threaded hole of the flange plate 113 through the mounting hole of the base 2. The A pedal 17 and the B pedal 18 are both shaped like a gate. The two ends of the pedal A17 are respectively rotatably arranged on the two fixing holes; specifically, the pedal a 17 is an integral structure composed of an upper pedal portion and two symmetrical upper arm bent portions, which are convenient to pedal; the end of the upper arm bending part is provided with an a hole for the fixing column 112 to pass through, and the fixing column 112 is provided with a circle of annular protruding part positioned between the upper arm bending part and the side fixing plate so as to separate the contact between the upper arm bending part and the side fixing plate, prevent friction between the upper arm bending part and the side fixing plate in the movement process of the pedal A17 and prevent friction damage. The two ends of the B pedal 18 are respectively rotatably arranged on the two extending ends of the limiting post 14; specifically, the B pedal 18 is an integral structure composed of a pedal portion for easy pedal and two symmetrical lower arm bent portions, and the end portion of the lower arm bent portion is provided with a B hole for the extending end of the limiting post 14 to pass through. The B pedal 18 is linked with the A pedal 17; specifically, a c hole for linkage is formed in the bending part of the upper arm bending part, a d hole for linkage is formed in the bending part of the lower arm bending part, and the d hole is rotatably connected with the c hole through a movable rotating shaft 19, namely the movable rotating shaft 19 is arranged on the c hole and the d hole in a penetrating way, so that the pedal A17 and the pedal B18 are linked; more specifically, the movable shaft 19 is sleeved with a washer for separating the upper arm bending portion and the lower arm bending portion, that is, the washer is located between the upper arm bending portion and the lower arm bending portion, so as to ensure that the upper arm bending portion and the lower arm bending portion do not interfere when moving. The distance from the movable rotating shaft 19 (d hole) to the outer edge of the lower stepping portion is smaller than the distance from the movable rotating shaft 19 (c hole) to the inner edge of the upper stepping portion, and the lower arm bending portion is located at the inner side of the upper arm bending portion, so that the actions of the pedal A17 and the pedal B18 do not interfere with each other. Two extension springs 16 are arranged in the shell 11, and the two extension springs 16 are symmetrically positioned on two sides of the lock pin 13; the upper end of the extension spring 16 is fixed on the side fixing plate through the hanging pin 15, and the lower end of the extension spring 16 is fixed on the limiting column 14. Specifically, the hanging pin 15 is welded on the side fixing plate, grooves for respectively hanging and clamping two ends of the extension spring 16 are formed in the hanging pin 15 and the limiting column 14, and the grooves can ensure the fixed connection between the extension spring 16 and the hanging pin 15 and between the extension spring 16 and the limiting column 14, so that the extension spring 16 is prevented from sliding and slipping in the working process. During the depression of either the a pedal 17 or the B pedal 18: at a certain moment, the axis of the movable shaft 19 may be located on the same plane as the axis of the fixed column 112 and the axis of the limiting column 14, and the plane corresponds to a middle plane, and at this time, the tensile value of the tension spring 16 is the largest, and the limiting column 14 is located at the lowest part of the bar-shaped hole 111.
When the pedal A17 is stepped on, the pedal A17 rotates downwards around the fixed column 112, the movable rotating shaft 19 moves forwards and backwards, and meanwhile the linkage pedal B18 rotates upwards around the limit column 14 and moves the limit column 14 downwards along the strip-shaped hole 111, so that the lock pin 13 is driven to extend downwards; after the movable rotating shaft 19 moves backwards beyond the middle plane, the limit column 14 moves upwards along the strip-shaped hole 111 until the lower tread part of the B pedal 18 abuts against the shell 11 and then stops; the lock mechanism 1 at this time is correspondingly in a locked state. In the locking state, the lower end of the lock pin 13 can be inserted into corresponding fixing hole sites (a plurality of fixing hole sites are arranged on the equipment platform so as to fix the equipment door 3 at different positions), thereby realizing the fixing of the position of the equipment door 3.
When the B pedal 18 is stepped on, the B pedal 18 rotates downwards around the limit post 14, the movable rotating shaft 19 moves forwards from back to front, and meanwhile the linkage A pedal 17 rotates upwards around the fixed post 112 and moves the limit post 14 downwards along the strip-shaped hole 111 to exit the locking state; after the movable rotating shaft 19 moves forwards beyond the middle plane, the limit post 14 moves upwards along the bar-shaped hole 111, and when the pedal B18 is released, the limit post 14 still moves upwards along the bar-shaped hole 111 under the action of the extension spring 16 so as to control the lock pin 13 to retract upwards until the limit post 14 is positioned at the uppermost part of the bar-shaped hole 111 and then stops; the lock mechanism 1 at this time is correspondingly in the initial state. The apparatus door 3 can be rotated in an initial state.
The invention can fix any opening position of the equipment door 3 in a pedal mode, accords with human engineering, is easy to operate, is convenient for operators to observe the front and back conditions of the equipment door 3, and solves the hidden trouble of industrial injury caused by the displacement of the equipment door 3 in the maintenance or debugging and inspection process; the structure is simple, and the fixing effect is good.
The foregoing description is only illustrative of the present invention and is not intended to limit the scope of the invention, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present invention.
Claims (10)
1. A door opening and closing position locking mechanism, comprising: the device comprises a rectangular shell, a lock pin, a limiting column, two extension springs and a pedal A, wherein the lock pin is inserted into the shell and can move up and down, the limiting column is transversely inserted into the shell, the two extension springs are arranged in the shell and are symmetrical with respect to the lock pin, the pedal A controls the lock pin to move downwards, and the pedal B controls the lock pin to move upwards; the limiting column is vertically and fixedly connected with the lock pin in the shell, and two ends of the limiting column extend out of the shell; the hole in the shell, from which the limit post extends, is a bar-shaped hole, and the length direction of the bar-shaped hole is the same as the moving direction of the lock pin; the upper end of the extension spring is fixed on the shell, the lower end of the extension spring is fixed on the limit column, and the extension spring limits the limit column to be positioned at the uppermost part of the strip-shaped hole under the condition of not being subjected to external force; fixing columns are symmetrically arranged on two side walls of the shell, and the axes of the fixing columns are parallel to the axes of the limiting columns; the pedal A and the pedal B are both in a door shape, the pedal A comprises an upper stepping part and two symmetrical upper arm bending parts, the end parts of the upper arm bending parts are rotatably arranged on the fixed columns, and the middle parts of the upper arm bending parts are bent downwards; the pedal B comprises a pedal part and two symmetrical lower arm bent parts, the end parts of the lower arm bent parts are rotatably arranged on the extending ends of the limiting posts, the middle parts of the lower arm bent parts are bent upwards, and the bent parts of the lower arm bent parts are hinged with the bent parts of the upper arm bent parts through movable rotating shafts; the distance from the movable rotating shaft to the outer edge of the lower pedal part is smaller than the distance from the movable rotating shaft to the inner edge of the upper pedal part, and the lower arm bending part is positioned at the inner side of the upper arm bending part;
during the step of stepping on the A pedal or the B pedal: at a certain moment, the axis of the movable rotating shaft can be positioned on the same plane with the axis of the fixed column and the axis of the limiting column, the plane is a middle plane correspondingly, and at the moment, the stretching value of the stretching spring is the largest, and the limiting column is positioned at the lowest part of the strip-shaped hole;
when the pedal A is stepped on, the pedal A rotates downwards around the fixed column, the movable rotating shaft moves forwards and backwards, the pedal B rotates upwards around the limit column in a linkage manner, and the limit column moves downwards along the strip-shaped hole, so that the lock pin is controlled to extend downwards; after the movable rotating shaft moves backwards beyond the middle plane, the limit column moves upwards along the strip-shaped hole until the treading part of the pedal B abuts against the shell and then stops; the locking mechanism is correspondingly in a locking state at the moment;
when the pedal B is stepped on, the pedal B rotates downwards around the limit column, the movable rotating shaft moves forwards from back to front, the pedal A rotates upwards around the fixed column in a linkage manner, and the limit column moves downwards along the strip-shaped hole so as to exit the locking state; after the movable rotating shaft moves forwards beyond the middle plane, the limit column moves upwards along the bar-shaped hole, and if the pedal B is released, the limit column still moves upwards along the bar-shaped hole under the action of the tension spring to control the lock pin to retract upwards until the limit column is positioned at the uppermost part of the bar-shaped hole; the lock mechanism at this time is correspondingly in the initial state.
2. A door open/close position locking mechanism according to claim 1, wherein: the locking mechanism is fixedly arranged at the lower edge of the equipment door through the base, and is close to the opening and closing side of the equipment door.
3. A door open/close position locking mechanism according to claim 2, wherein: the shell comprises a rear fixing plate, an upper fixing plate, a lower fixing plate and two side fixing plates, wherein the rear fixing plate is fixedly connected with the base, and the upper fixing plate, the lower fixing plate and the two side fixing plates are vertically fixed on the rear fixing plate and are arranged around the rear fixing plate; the upper fixing plate and the lower fixing plate are respectively provided with an avoidance hole for the lock pin to pass through in an up-and-down movable way; the two strip-shaped holes are respectively positioned on the two side fixing plates; the two side fixing plates are symmetrically provided with fixing holes, and the fixing columns are rotatably clamped on the fixing holes.
4. A door open/close position locking mechanism according to claim 3, wherein: the shell also comprises a flange plate fixed on the rear fixing plate, and the flange plate is fixedly connected with the base through a flange fastener.
5. A door open/close position locking mechanism according to claim 4, wherein: the base is welded on the equipment door, the flange plate is welded on the rear fixing plate, and the flange fastener penetrates through the mounting hole on the base to be in threaded connection with the threaded hole on the flange plate.
6. A door open/close position locking mechanism according to claim 1, wherein: the front end of the shell is provided with a mounting opening which is convenient for mounting parts inside, and the shell is detachably provided with a protection panel for closing the mounting opening.
7. A door open/close position locking mechanism according to claim 6, wherein: the protection panel comprises a baffle plate part and two side plate parts perpendicular to the baffle plate part, wherein the baffle plate part is opposite to the mounting opening so as to seal the mounting opening, and the side plate parts are fixedly connected with the shell through panel screws.
8. A door open/close position locking mechanism according to claim 1, wherein: the end part of the upper arm bending part is provided with an a hole for the fixed column to pass through, and the fixed column is provided with a circle of annular protruding part positioned between the upper arm bending part and the shell; the end part of the lower arm bending part is provided with a b hole for the extending end of the limiting column to pass through.
9. A door open/close position locking mechanism according to claim 1 or 8, wherein: the bending part of the upper arm bending part is provided with a c hole for the movable rotating shaft to pass through, the bending part of the lower arm bending part is provided with a d hole for the movable rotating shaft to pass through, and the movable rotating shaft is sleeved with a gasket for separating the upper arm bending part from the lower arm bending part.
10. A door open/close position locking mechanism according to claim 1, wherein: the upper end of the extension spring is fixed on the shell through a hanging pin; grooves for hanging and clamping two ends of the extension spring are formed in the hanging pin and the limiting column respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345827.9A CN109972943B (en) | 2019-04-26 | 2019-04-26 | Door open and close position locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910345827.9A CN109972943B (en) | 2019-04-26 | 2019-04-26 | Door open and close position locking mechanism |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109972943A CN109972943A (en) | 2019-07-05 |
| CN109972943B true CN109972943B (en) | 2024-01-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910345827.9A Active CN109972943B (en) | 2019-04-26 | 2019-04-26 | Door open and close position locking mechanism |
Country Status (1)
| Country | Link |
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| CN (1) | CN109972943B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502488B (en) * | 2020-04-22 | 2022-03-04 | 台州学院 | Reinforcing device for aluminum alloy door and window |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105982A (en) * | 1965-02-17 | 1968-03-13 | Doerken & Mankel Kg | Door holder |
| US4686740A (en) * | 1985-07-17 | 1987-08-18 | Sugatsune Industrial Co., Ltd. | Stopper for door |
| CN2193422Y (en) * | 1994-06-30 | 1995-03-29 | 潘以恒 | Stem door casement stop device |
| CN203856299U (en) * | 2014-05-28 | 2014-10-01 | 辽宁工业大学 | Door fixer |
| CN204552382U (en) * | 2015-03-24 | 2015-08-12 | 余姚市开森塑料制品有限公司 | A kind of close/open positioning structure of rotary door |
| CN107110402A (en) * | 2014-12-19 | 2017-08-29 | Vat控股公司 | The door closed for the room opening in the locular wall to vacuum chamber |
| CN207332544U (en) * | 2017-10-16 | 2018-05-08 | 金华职业技术学院 | A kind of foot-operated device in door |
| CN210483329U (en) * | 2019-04-26 | 2020-05-08 | 爱发科真空技术（苏州）有限公司 | Door opening and closing position locking mechanism |
-
2019
- 2019-04-26 CN CN201910345827.9A patent/CN109972943B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1105982A (en) * | 1965-02-17 | 1968-03-13 | Doerken & Mankel Kg | Door holder |
| US4686740A (en) * | 1985-07-17 | 1987-08-18 | Sugatsune Industrial Co., Ltd. | Stopper for door |
| CN2193422Y (en) * | 1994-06-30 | 1995-03-29 | 潘以恒 | Stem door casement stop device |
| CN203856299U (en) * | 2014-05-28 | 2014-10-01 | 辽宁工业大学 | Door fixer |
| CN107110402A (en) * | 2014-12-19 | 2017-08-29 | Vat控股公司 | The door closed for the room opening in the locular wall to vacuum chamber |
| CN204552382U (en) * | 2015-03-24 | 2015-08-12 | 余姚市开森塑料制品有限公司 | A kind of close/open positioning structure of rotary door |
| CN207332544U (en) * | 2017-10-16 | 2018-05-08 | 金华职业技术学院 | A kind of foot-operated device in door |
| CN210483329U (en) * | 2019-04-26 | 2020-05-08 | 爱发科真空技术（苏州）有限公司 | Door opening and closing position locking mechanism |
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| CN109972943A (en) | 2019-07-05 |
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