CN217632216U - Gravity self-closing one-way door sill - Google Patents
Gravity self-closing one-way door sill Download PDFInfo
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- CN217632216U CN217632216U CN202221164676.0U CN202221164676U CN217632216U CN 217632216 U CN217632216 U CN 217632216U CN 202221164676 U CN202221164676 U CN 202221164676U CN 217632216 U CN217632216 U CN 217632216U
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Abstract
The utility model discloses a gravity is from closing one-way door fence, this gravity is from closing one-way door fence includes the door fence subassembly, and the door fence subassembly includes: the upright post is used for limiting the installation position of the door sill, and the upright post is fixed at the edge of the channel; a door main body; the door body is fixed on the rotating shaft and can rotate around the rotating shaft; the fixed limiting assembly is used for connecting the rotating shaft and the upright post; and fixed spacing subassembly includes the limiting plate, and the limiting plate is located between stand and the pivot, and wherein, pivot and perpendicular line direction are an contained angle to make the focus of door main part in closed position department be less than the focus of door main part in open position department, thereby make the door main part after opening return closed position under the action of gravity. Utilize this gravity from closing one-way door fence, this door fence simple structure, small and the noise is little, can allow the livestock one-way to pass through and can self-closing simultaneously.
Description
Technical Field
The utility model relates to a livestock-raising equipment technical field especially relates to a gravity is from closing one-way door fence.
Background
In the process of building modern pastures, the door sill is an indispensable device. In order to facilitate the movement and group turning of the livestock, a unidirectional gate bar is required, namely the gate bar only allows the livestock to pass through in a unidirectional way. In order to increase the automation level of the door fence, the door fence should be able to close automatically. The one-way door fence structure should not be too complicated, the volume should not be too huge, too complicated, huge door fence, difficult dismouting are unfavorable for setting up in arbitrary position fast. Meanwhile, in order not to affect the daily life of livestock, it is required to maximally reduce noise when the gate rail is opened and closed.
The existing one-way door sill has the disadvantages of complex structure, large volume and high noise.
SUMMERY OF THE UTILITY MODEL
The utility model provides a gravity is from closing one-way door fence, this door fence simple structure, small and the noise is little, can allow the one-way passage of livestock and can self-closing simultaneously.
The utility model provides a gravity is from closing one-way door fence, this door fence include the door fence subassembly, the door fence subassembly includes: a post for defining an installation position of the door sill, the post being fixed to an edge of the passage; a door main body; the door body is fixed on the rotating shaft and can rotate around the rotating shaft; the fixed limiting assembly is used for connecting the rotating shaft and the upright post; and fixed spacing subassembly includes the limiting plate, the limiting plate is located the stand with between the pivot, wherein, pivot and perpendicular line direction are an contained angle, so that the focus of door main part in closed position department is less than the focus of door main part in open position department, thereby make after opening the door main part returns under the action of gravity the closed position. Utilize this gravity from closing one-way door fence, this door fence simple structure, small and the noise is little, can allow the livestock one-way to pass through and can self-closing simultaneously.
In one embodiment, the top end of the rotating shaft is deviated from the perpendicular toward the passage side. By this embodiment, it is possible to ensure that the center of gravity of the door body in the closed position at the passage is lower than the center of gravity of the door body in the open position outside the passage, thereby achieving automatic closing of the door fence.
In one embodiment, the plane of the limit plate is perpendicular to the extending direction of the channel, and the limit plate can block the door body in the closed position from rotating towards the limit plate. By this embodiment it is advantageous that the gate railing can only allow livestock to pass through in one direction.
In one embodiment, the gravity self-closing unidirectional door sill further comprises a connecting plate, the rotating shaft penetrates through the connecting bent part of the connecting plate, and the door body is fixed on the connecting plate. With this embodiment, the connecting plate and the door main body can be fixed to the rotating shaft, and the door main body can be surely rotated about the rotating shaft along with the connecting plate.
In one embodiment, the rotating shaft further passes through a limiting bending portion of the limiting plate, the limiting bending portion can block the connecting plate from rotating so as to limit the door main body at the maximum opening position, and when the door main body is at the maximum opening position, an included angle between the door main body and the extending direction of the channel is 50 to 70 degrees. Through this embodiment, be favorable to avoiding the door to open the angle too big, avoid influencing its self-closing.
In one embodiment, the gravity self-closing one-way door sill further comprises a bifurcated screw, the rotating shaft comprises a rotating shaft main body and a limiting column positioned at one end of the rotating shaft main body, and the extending direction of the limiting column is perpendicular to the extending direction of the rotating shaft main body; the length of spacing post is greater than be used for holding partially on the connecting plate kink the diameter of the through-hole of pivot main part is in order to incite somebody to action spacing post is fixed the connecting plate with the outside of limiting plate, the branching fix with screw keeps away from in the pivot main part the one end of spacing post is used for blockking the connecting plate with the limiting plate breaks away from the pivot. Through this embodiment, be favorable to the quick installation and the dismantlement of door grating subassembly.
In one embodiment, the door body includes two straight bars of equal length parallel to each other and an arc-shaped bar attached to the same end of the two straight bars. Through this embodiment, door main part simple structure does benefit to the manufacturing.
In one embodiment, the fixed limit assembly comprises at least one U-bolt, two ends of the U-bolt are fixed on the limit plate, and a cavity of the U-bolt can be used for partially accommodating the upright post, and the U-bolt can fix the limit plate on the upright post. Through this embodiment, can realize door main part, pivot and fixed spacing subassembly and the stand between fixed to be favorable to realizing the quick installation and the dismantlement of door fence subassembly.
In one embodiment, the door fence includes one of the door fence assemblies, with the post of the door fence assembly located on one side of the channel and the door body in the closed position located in the middle of the channel. With this embodiment, the process of mounting and dismounting is further simplified, since there is only one door sill assembly.
In one embodiment, the door fence comprises two door fence assemblies, the upright posts of the two door fence assemblies are respectively positioned at two sides of a channel, and the two door bodies in the closed position are both positioned at the middle of the channel. Through this embodiment, realized opening about gravity self-closing one-way door grating, and because single door main part is comparatively short and small, be favorable to the quick pass through of livestock and the door grating falls back to closed position fast.
Drawings
The present invention will become more fully understood from the detailed description given herein below when taken in conjunction with the accompanying drawings, wherein like elements are numbered alike, and wherein:
fig. 1 is a schematic perspective view of a gravity-operated self-closing one-way door fence according to an embodiment of the present invention;
fig. 2 shows a schematic rear view of a gravity self-closing one-way door fence according to an embodiment of the present invention;
fig. 3 shows an exploded view of a door fence assembly according to an embodiment of the present invention;
FIG. 4 shows a schematic structural view of a door body and a connecting plate according to an embodiment of the present invention;
fig. 5 shows a rear view schematic of a gravity self-closing one-way door fence according to an embodiment of the present invention, the door body of the door fence being in a closed position;
fig. 6 shows a rear view schematic of a gravity self-closing one-way door fence according to an embodiment of the present invention, the door fence having a door body in an open position;
fig. 7 shows a schematic top view of a gravity self-closing one-way door fence according to an embodiment of the present invention, the door body of the door fence being in an open position;
fig. 8 shows a partial overhead view of a gravity self-closing one-way door fence according to an embodiment of the present invention, the door body of the door fence being in a maximum open position.
List of reference numerals:
1-upright column; 4-a door body; 5-a rotating shaft; 6-limiting plate; 7-a connecting plate; 8-a spindle body; 9-a limiting column; 10-a bifurcated screw; 11-straight rod; 12-an arc-shaped rod; 13-U-bolt; 14-a connecting body portion; 15-connecting the bent part; 16-a limiting body part; and 17-limiting the bent part.
Detailed Description
The technical solution of the present invention will be described in further detail below with reference to the following embodiments, but the present invention is not limited to the following embodiments.
As shown in fig. 1 to 7, the present embodiment provides a gravity self-closing unidirectional door fence, including a door fence assembly, the door fence assembly including: the upright post 1 is used for limiting the installation position of the door sill, and the upright post 1 is fixed at the edge of the channel; a door main body 4; a rotating shaft 5, the door body 4 is fixed on the rotating shaft 5 and can rotate around the rotating shaft 5; the fixed limiting assembly is used for connecting the rotating shaft 5 and the upright post 1; and fixed spacing subassembly includes limiting plate 6, and limiting plate 6 is located between stand 1 and pivot 5, and wherein, pivot 5 and perpendicular line direction are an contained angle to make door main part 4 be less than door main part 4 at the focus of opening position department at the focus of closed position department, thereby make the door main part 4 after opening return to closed position under the action of gravity.
The door body 4, the rotating shaft 5 and the fixed limiting component are all fixed on the upright post 1. Thus, the mounting position of the pillar 1 defines the mounting position of the door sill. The upright 1 is fixed at the edge of the passage so that the door body 4 in the closed position can close the passage and the door body 4 in the open position can open the passage, the door body 4 in the closed position being located at the passage and the door body 4 in the open position being located outside the passage.
The door main body 4 is fixed to the rotary shaft 5 and can be rotated about the rotary shaft 5, and when the door main body 4 is rotated to the passage, as shown in fig. 5, the door main body 4 is in the closed position, and when the door main body 4 is rotated to the outside of the passage, as shown in fig. 6 and 7, the door main body 4 is in the open position, so that the door main body 4 can be switched between the closed position and the open position.
In a natural state, as shown in fig. 5, the door body 4 is in a closed position, and when livestock strikes the door body 4 from the pillar 1 side of the door body 4, the door body 4 can be opened to an open position to allow the livestock to pass through, and after the livestock passes through, the door body 4 can be returned to its closed position by gravity; in a natural state, the door body 4 is in a closed position, and when livestock impacts the door body 4 from one side of the door body 4, which is far away from the upright post 1, the door body 4 cannot be opened under the blocking of the fixed limiting component; so that the gate railing can allow livestock to pass through in one direction, i.e., only in a direction directed from the pillar 1 side of the door body 4 toward the door body 4.
As shown in fig. 2, since the rotating shaft 5 forms an angle with the vertical line, the center of gravity of the door body 4 at the closed position is lower than the center of gravity of the door body 4 at the open position, so that the door body 4 at the open position can return to the closed position under the action of gravity, and the door fence can be automatically closed.
Optionally, an included angle between the rotating shaft 5 and the vertical line direction is 5 to 10 degrees; preferably, the included angle is 8 degrees.
Since the door fence assembly is mainly composed of the upright post 1, the door body 4, the rotating shaft 5 and the fixed limiting assembly, the door body 4 of the present embodiment falls in a rotating manner and rotates from the outside of the passage to the inside of the passage while falling, so that the impact force is small, the noise is low and a shock pad does not need to be installed.
Utilize this gravity from closing one-way door fence, this door fence simple structure, small and the noise is little, can allow the one-way passage of livestock and can self-closing simultaneously.
In one embodiment, the top end of the rotating shaft 5 is deviated from the vertical toward the channel side.
With this embodiment, it is possible to ensure that the center of gravity of the door main body 4 in the closed position at the doorway is lower than the center of gravity of the door main body 4 in the open position outside the doorway, thereby achieving automatic closing of the door sill.
In one embodiment, the plane of the limit plate 6 is perpendicular to the extension direction of the passage, and the limit plate 6 can block the door body 4 in the closed position from rotating towards the limit plate 6.
Fixed spacing subassembly includes limiting plate 6, and limiting plate 6 is located between stand 1 and pivot 5, and the extending direction of limiting plate 6 place plane perpendicular to passageway, limiting plate 6 can block the door main part 4 of department at the closed position and rotate towards limiting plate 6 to when the livestock strikes door main part 4 from the one side of keeping away from stand 1 of door main part 4, under the blockking of limiting plate 6, door main part 4 can not open.
By this embodiment it is advantageous that the gate can only allow livestock to pass through in one direction.
In one embodiment, as shown in fig. 3 and 4, the gravity self-closing unidirectional door fence further comprises a connecting plate 7, the rotating shaft 5 passes through a connecting bent part 15 of the connecting plate 7, and the door body 4 is fixed on the connecting plate 7.
The connecting plate 7 comprises a plate-shaped connecting main body part 14 and two connecting bent parts 15 positioned at the top end and the bottom end of the connecting main body part 14, the rotating shaft 5 penetrates through the two connecting bent parts 15 of the connecting plate 7 to fix the connecting plate 7 on the rotating shaft 5, and the connecting plate 7 can rotate around the rotating shaft 5. The door main body 4 is connected to the connecting body portion 14 by welding, screwing, or the like, so that the door main body 4 is fixed to the rotating shaft 5, and the door main body 4 can rotate about the rotating shaft 5 along with the connecting plate 7.
To further reduce noise, bearings may be provided in the connecting bends 15.
With this embodiment, the connecting plate 7 and the door body 4 can be fixed to the rotating shaft 5, and the door body 4 can be surely rotated about the rotating shaft 5 together with the connecting plate 7.
In one embodiment, as shown in fig. 1 and 3, the rotating shaft 5 further passes through the limit bending portion 17 of the limit plate 6, the limit bending portion 17 can block the connecting plate 7 from rotating so as to limit the door main body 4 to the maximum opening position, and when the door main body 4 is in the maximum opening position, the angle between the door main body 4 and the extending direction of the channel is 50 to 70 degrees; preferably, the included angle is 60 degrees.
The limiting plate 6 comprises a plate-shaped limiting main body part 16 and two limiting bending parts 17 extending from the top end and the bottom end of the limiting main body part 16. The plane of the limiting bending part 17 is perpendicular to the plane of the limiting main body part 16. The pivot 5 passes the spacing kink 17 of limiting plate 6 to fix pivot 5 on limiting plate 6 and pivot 5 can rotate limiting plate 6 relatively.
To further reduce noise, bearings may be provided within the limit bends 17.
As shown in fig. 8, the limiting bending portion 17 can block the connecting main body portion 14 of the connecting plate 7 from rotating so as to limit the door main body 4 at the maximum opening position, and when the door main body 4 is at the maximum opening position, an included angle between the door main body 4 and the extending direction of the passage is 50 to 70 degrees, so that an overlarge opening angle of the door main body 4 is avoided.
Through this embodiment, be favorable to avoiding the door to open the angle too big, avoid influencing its self-closing.
In one embodiment, as shown in fig. 1 and 3, the gravity self-closing one-way door sill further includes a bifurcated screw 10, the rotating shaft 5 includes a rotating shaft main body 8 and a position-limiting column 9 located at one end of the rotating shaft main body 8, and an extending direction of the position-limiting column 9 is perpendicular to an extending direction of the rotating shaft main body 8; the length of spacing post 9 is greater than the diameter that is used for partly holding the through-hole of pivot main part 8 on the connecting plate 7 kink in order to fix spacing post 9 in the outside at connecting plate 7 and limiting plate 6, and spacing post 9's one end is kept away from on pivot main part 8 to bifurcated screw 10 for stop connecting plate 7 and limiting plate 6 break away from pivot 5.
The installation of the forked screw 10 completes the assembly of the door fence assembly, and the disassembly of the forked screw 10 can disassemble the door fence assembly, thereby being beneficial to the quick installation and disassembly of the door fence assembly.
Through this embodiment, be favorable to the quick installation and the dismantlement of door grating subassembly.
In one embodiment, as shown in fig. 2, the door main body 4 includes two straight bars 11 of equal length parallel to each other and an arc-shaped bar 12 connected to the same end of the two straight bars 11.
With this embodiment, the door main body 4 is simple in structure and easy to manufacture.
In one embodiment, as shown in FIG. 1, the fixed stop assembly comprises at least one U-bolt 13, wherein both ends of the U-bolt 13 are fixed on the stop plate 6, and the cavity of the U-bolt 13 can be used for partially accommodating the upright 1, and the U-bolt 13 can fix the stop plate 6 on the upright 1.
Through this embodiment, can realize door main part 4, pivot 5 and fixed spacing subassembly and stand 1 within a definite time fixed to be favorable to realizing the quick installation and the dismantlement of door fence subassembly.
Optionally, in one embodiment, the gravity self-closing unidirectional door sill comprises a door sill assembly having a post 1 positioned on one side of the passageway and a door body 4 in a closed position positioned in the middle of the passageway.
With this embodiment, the process of mounting and dismounting is further simplified, since there is only one door sill assembly.
Optionally, in an embodiment, the gravity self-closing unidirectional door sill comprises two door sill assemblies, the upright posts 1 of the two door sill assemblies are respectively positioned at two sides of the passage, and the two door bodies 4 in the closed position are both positioned at the middle of the passage.
Through this embodiment, realized opening about gravity self-closing one-way door grating, and because single door main part 4 is comparatively short and small, be favorable to the quick pass through of livestock and the door grating falls back to closed position fast.
Example one
As shown in fig. 1 to 7, the present embodiment provides a gravity self-closing unidirectional door sill, which includes a door sill assembly including: the upright post 1 is used for limiting the installation position of the door sill, and the upright post 1 is fixed at the edge of the channel; a door main body 4; a rotating shaft 5, the door body 4 is fixed on the rotating shaft 5 and can rotate around the rotating shaft 5; the fixed limiting assembly is used for connecting the rotating shaft 5 and the upright post 1; and fixed spacing subassembly includes limiting plate 6, and limiting plate 6 is located between stand 1 and pivot 5, and wherein, pivot 5 and perpendicular line direction are an contained angle to make door main part 4 be less than door main part 4 at the focus of opening position department at the focus of closed position department, thereby make the door main part 4 after opening return to closed position under the action of gravity.
The door body 4, the rotating shaft 5 and the fixed limiting component are all fixed on the upright post 1. Thus, the mounting position of the upright 1 defines the mounting position of the gravity self-closing one-way door fence. The pillar 1 is fixed to the edge of the passage so that the door body 4 in the closed position can close the passage and the door body 4 in the open position can open the passage, the door body 4 in the closed position being located at the passage and the door body 4 in the open position being located outside the passage.
The door body 4 is fixed on the rotating shaft 5 and can rotate around the rotating shaft 5, when the door body 4 rotates to the passage, the door body 4 is in the closed position, and when the door body 4 rotates to the outside of the passage, the door body 4 is in the open position, so that the door body 4 can be switched between the closed position and the open position.
In a natural state, the door body 4 is in a closed position, and when livestock impacts the door body 4 from the pillar 1 side of the door body 4, the door body 4 can be opened to an open position to allow the livestock to pass through, and after the livestock passes through, the door body 4 can be returned to its closed position under the action of gravity; in a natural state, the door body 4 is in a closed position, and when livestock impacts the door body 4 from one side of the door body 4, which is far away from the upright post 1, the door body 4 cannot be opened under the blocking of the fixed limiting component; so that the gravity self-closing one-way fence can allow livestock to pass through in one way, i.e., only in a direction directed from the pillar 1 side of the door body 4 toward the door body 4.
As shown in fig. 2, since the rotating shaft 5 forms an included angle with the vertical line, the center of gravity of the door body 4 at the closed position is lower than the center of gravity of the door body 4 at the open position, so that the door body 4 at the open position can return to the closed position under the action of gravity, and the automatic closing of the gravity self-closing one-way door fence is realized.
Optionally, an included angle between the rotating shaft 5 and the vertical line direction is 5 to 10 degrees; preferably, the included angle is 8 degrees.
Because the door sill component mainly comprises the upright post 1, the door body 4, the rotating shaft 5 and the fixed limiting component, the door body 4 of the embodiment falls in a rotating mode and rotates from the outside of the channel to the inside of the channel while falling, so that the impact force is small, the noise is low and a shock pad does not need to be installed.
Utilize this gravity from closing one-way door fence, this door fence simple structure, small and the noise is little, can allow the livestock one-way to pass through and can self-closing simultaneously.
Example two
As shown in fig. 1-8.
The top end of the rotating shaft 5 deviates from the vertical line towards the channel side, so that the gravity center of the door body 4 positioned at the channel and in the closed position is lower than that of the door body 4 positioned outside the channel and in the open position, and the gravity self-closing unidirectional door sill is automatically closed.
The plane of the limit plate 6 is perpendicular to the extending direction of the passage, and the limit plate 6 can block the door body 4 at the closed position from rotating toward the limit plate 6.
Fixed spacing subassembly includes limiting plate 6, limiting plate 6 is located between stand 1 and the pivot 5, the extending direction of limiting plate 6 place plane perpendicular to passageway, limiting plate 6 can block the door main part 4 of department at the closed position and rotate towards limiting plate 6 to when the livestock from the one side impact door main part 4 of keeping away from stand 1 of door main part 4, under the blockking of limiting plate 6, door main part 4 can not be opened, do benefit to gravity and only can allow the one-way passage of livestock from closing one-way door fence.
The gravity self-closing unidirectional door sill further comprises a connecting plate 7, the rotating shaft 5 penetrates through a connecting bending part 15 of the connecting plate 7, and the door body 4 is fixed on the connecting plate 7.
The connecting plate 7 comprises a plate-shaped connecting main body part 14 and two connecting bent parts 15 positioned at the top end and the bottom end of the connecting main body part 14, the rotating shaft 5 penetrates through the two connecting bent parts 15 of the connecting plate 7 to fix the connecting plate 7 on the rotating shaft 5, and the connecting plate 7 can rotate around the rotating shaft 5. The door main body 4 is connected to the connecting body portion 14 by welding, screwing, or the like, so that the door main body 4 is fixed to the rotating shaft 5, and the door main body 4 can rotate about the rotating shaft 5 along with the connecting plate 7.
In order to further reduce noise, bearings may be provided in the connecting bend 15.
The rotating shaft 5 further penetrates through a limiting bending part 17 of the limiting plate 6, the limiting bending part 17 can block the connecting plate 7 from rotating so as to limit the door main body 4 to be in the maximum opening position, and when the door main body 4 is in the maximum opening position, the included angle between the door main body 4 and the extending direction of the channel is 50-70 degrees.
The limiting plate 6 includes a plate-shaped limiting main body 16 and two limiting bending portions 17 extending from the top end and the bottom end of the limiting main body 16. The plane of the position-limiting bending part 17 is perpendicular to the plane of the position-limiting main body part 16. The pivot 5 passes the spacing kink 17 of limiting plate 6 to fix pivot 5 on limiting plate 6 and pivot 5 can rotate limiting plate 6 relatively.
To further reduce noise, bearings may be provided within the limit bends 17.
As shown in fig. 8, the limiting bending portion 17 can block the connecting main body portion 14 of the connecting plate 7 from rotating so as to limit the door main body 4 at the maximum opening position, and when the door main body 4 is at the maximum opening position, an included angle between the door main body 4 and the extending direction of the passage is 50 to 70 degrees, so that an overlarge opening angle of the door main body 4 is avoided.
The gravity self-closing one-way door sill further comprises a bifurcated screw 10, the rotating shaft 5 comprises a rotating shaft main body 8 and a limiting column 9 positioned at one end of the rotating shaft main body 8, and the extending direction of the limiting column 9 is perpendicular to the extending direction of the rotating shaft main body 8; the length of spacing post 9 is greater than the diameter that is used for partly holding the through-hole of pivot main part 8 on the connecting plate 7 kink in order to fix spacing post 9 in the outside at connecting plate 7 and limiting plate 6, and spacing post 9's one end is kept away from on pivot main part 8 to bifurcated screw 10 for stop connecting plate 7 and limiting plate 6 break away from pivot 5.
The installation of the forked screw 10 completes the assembly of the door fence assembly, and the disassembly of the forked screw 10 can disassemble the door fence assembly, thereby being beneficial to the quick installation and disassembly of the door fence assembly.
The door main body 4 comprises two straight rods 11 which are parallel to each other and have the same length and an arc-shaped rod 12 connected to the same end of the two straight rods 11, and the door main body 4 is simple in structure and beneficial to manufacturing.
The fixed limiting assembly comprises at least one U-shaped bolt 13, the two ends of the U-shaped bolt 13 are fixed on the limiting plate 6, the cavity of the U-shaped bolt 13 can be used for partially accommodating the upright post 1, the U-shaped bolt 13 can fix the limiting plate 6 on the upright post 1, and the door body 4, the rotating shaft 5 and the fixed limiting assembly can be fixed with the upright post 1, so that the door fence assembly can be rapidly mounted and dismounted.
EXAMPLE III
Alternatively, in one embodiment, as shown in fig. 2, the gravity self-closing unidirectional door fence comprises a door fence assembly, wherein the upright post 1 of the door fence assembly is positioned at one side of the passageway, and the door body 4 in the closed position is positioned at the middle of the passageway. The mounting and dismounting process is further simplified due to the fact that there is only one door sill assembly.
Example four
Alternatively, in one embodiment, as shown in fig. 5 to 7, the gravity self-closing unidirectional door fence comprises two door fence components, the upright posts 1 of the two door fence components are respectively located at two sides of the channel, and the two door bodies 4 in the closed position are both located at the middle of the channel, so that the gravity self-closing unidirectional door fence is opened left and right, and the single door body 4 is short and small, so that livestock can pass through the door fence quickly and the door fence can fall back to the closed position quickly.
The embodiments of the present invention are not limited to the above-described embodiments, and those skilled in the art can make various changes and modifications in form and detail without departing from the spirit and scope of the present invention, and these are all considered to fall within the scope of the present invention.
Claims (10)
1. A gravity self-closing, one-way door fence comprising a door fence assembly, said door fence assembly comprising:
a post for defining a mounting position of the door sill, the post being secured to an edge of a channel;
a door main body;
the door body is fixed on the rotating shaft and can rotate around the rotating shaft; and the number of the first and second groups,
the fixed limiting assembly is used for connecting the rotating shaft and the upright post; and the fixed limiting assembly comprises a limiting plate which is positioned between the upright post and the rotating shaft, wherein,
the rotating shaft and the vertical line direction form an included angle, so that the gravity center of the door main body at the closed position is lower than that of the door main body at the open position, and the door main body after being opened returns to the closed position under the action of gravity.
2. The gravity self-closing unidirectional door sill according to claim 1, wherein the top end of said spindle is offset from said vertical toward said channel side.
3. The gravity self-closing unidirectional door sill according to claim 1, characterized in that the plane of said limit plate is perpendicular to the extension direction of said passage, said limit plate being able to block the door body in said closed position from rotating towards said limit plate.
4. The gravity self-closing unidirectional door sill according to claim 1, further comprising a connecting plate, wherein the rotating shaft passes through a connecting bent portion of the connecting plate, and the door body is fixed on the connecting plate.
5. The gravity self-closing unidirectional door sill according to claim 4, wherein the rotating shaft further passes through a limiting bending part of the limiting plate, the limiting bending part can prevent the connecting plate from rotating so as to limit the door main body to the maximum opening position, and when the door main body is in the maximum opening position, the included angle between the door main body and the extending direction of the channel is 50 to 70 degrees.
6. The gravity self-closing one-way door sill according to claim 4, further comprising a bifurcated screw, wherein the rotating shaft comprises a rotating shaft main body and a limiting column positioned at one end of the rotating shaft main body, and the extending direction of the limiting column is perpendicular to the extending direction of the rotating shaft main body; the length of spacing post is greater than be used for holding partially on the connecting plate kink the diameter of the through-hole of pivot main part is in order to incite somebody to action spacing post is fixed the connecting plate with the outside of limiting plate, the forked screw is fixed keep away from in the pivot main part the one end of spacing post is used for blockking the connecting plate with the limiting plate breaks away from the pivot.
7. The gravity self-closing, one-way door fence according to claim 1, wherein said door body comprises two straight bars of equal length parallel to each other and an arc-shaped bar attached to the same end of both said straight bars.
8. The gravity self-closing unidirectional door sill according to claim 1, characterized in that said fixed stop assembly comprises at least one U-bolt, both ends of said U-bolt being fixed to said stop plate, and the cavity of said U-bolt being able to partially house said post, said U-bolt being able to fix said stop plate to said post.
9. The gravity self-closing unidirectional door sill according to claim 1, wherein said door sill comprises one of said door sill assemblies, wherein said door sill assembly upright is positioned at one side of said passageway and said door body in the closed position is positioned in the middle of said passageway.
10. The gravity self-closing unidirectional door sill according to claim 1, characterized in that said door sill comprises two said door sill assemblies, said uprights of said two said door sill assemblies being located on either side of a passageway, and said door bodies in the closed position being located in the middle of said passageway.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221164676.0U CN217632216U (en) | 2022-05-16 | 2022-05-16 | Gravity self-closing one-way door sill |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221164676.0U CN217632216U (en) | 2022-05-16 | 2022-05-16 | Gravity self-closing one-way door sill |
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| CN217632216U true CN217632216U (en) | 2022-10-21 |
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| CN202221164676.0U Active CN217632216U (en) | 2022-05-16 | 2022-05-16 | Gravity self-closing one-way door sill |
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- 2022-05-16 CN CN202221164676.0U patent/CN217632216U/en active Active
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