CN218234784U

CN218234784U - Anti-pinch safety device for door gap

Info

Publication number: CN218234784U
Application number: CN202222024580.0U
Authority: CN
Inventors: 贾忠敏
Original assignee: Guangdong Anlian Mechanical And Electrical Co ltd
Current assignee: Guangdong Anlian Mechanical And Electrical Co ltd
Priority date: 2022-08-02
Filing date: 2022-08-02
Publication date: 2023-01-06
Anticipated expiration: 2032-08-02

Abstract

The utility model belongs to the technical field of the door, especially, relate to a safety device is prevented pressing from both sides by crack. The anti-pinch safety device for the door gap is arranged on a door frame and comprises a shell, wherein the shell is provided with a sliding rail, and the sliding rail is provided with a buffering locking mechanism; and the impact resisting component comprises an impact resisting part and a sliding rod, the lower part of the impact resisting part is movably connected with the shell through a first rotating shaft, the middle part of the impact resisting part is movably connected with the sliding rod through a second rotating shaft, one end of the sliding rod is connected with the second rotating shaft, the other end of the sliding rod is connected with a third rotating shaft, and the third rotating shaft can slide left and right and is located on the sliding rail. The door gap anti-pinch safety device has the advantage that when the door is closed by overlarge external force, hands are placed at the door gap and are not timely withdrawn, so that the hands are pinched and injured by the door.

Description

Anti-pinch safety device for door gap

Technical Field

The utility model belongs to the technical field of the door, especially, relate to a safety device is prevented pressing from both sides by crack.

Background

The door is a device which is installed at an entrance and an exit of a building and can be opened and closed, and is used for connecting or closing two spaces, the traditional door is connected with a door frame through a door leaf, in daily life, if people exert too much force or blow by strong wind when closing the door, the hands are carelessly placed at a door gap and are not withdrawn in time, the hands are easily clamped by the door, and the accidental hand clamping can cause serious consequences such as fracture and the like, so that huge physical and mental injuries can be caused, and even the door falls off for life and is disabled. Therefore, it is very important to design a door crack anti-pinch safety device.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a safety device is prevented pressing from both sides by crack aims at solving the technical problem that the hand was put in crack department and is not in time withdrawed and cause the hand to be pressed from both sides the injure when the external force among the prior art was too big closed the door.

In order to achieve the above objects, an embodiment of the present invention provides a pair of anti-pinch safety device for door gap, which is installed on the door frame, and includes:

the shell is provided with a sliding rail, and the sliding rail is provided with a buffering locking mechanism; and

the lower part of the impact resistant part is movably connected with the shell through a first rotating shaft, the middle part of the impact resistant part is movably connected with the sliding rod through a second rotating shaft, one end of the sliding rod is connected with the second rotating shaft, the other end of the sliding rod is connected with a third rotating shaft, and the third rotating shaft is positioned on the sliding rail in a left-right sliding manner; when the door leaf is closed strongly, the door leaf impacts the upper part of the impact resistant part and acts on the sliding rod to slide downwards through the second rotating shaft, so that the third rotating shaft is locked by the buffering locking mechanism, and the sliding rod is locked to prop against the impact resistant part to be fixed through the action of the second rotating shaft, and the effect of blocking the door leaf from being closed is achieved; when the door leaf is slowly closed, the door leaf pushes the upper part of the impact resistant part to slide downwards under the action of the second rotating shaft, the third rotating shaft is sucked by the buffering locking mechanism and then slides rightwards to cause the sliding rod to continue rotating, and the impact resistant part moves inwards to the inside of the shell to achieve the effect of closing the door leaf under the action of the second rotating shaft.

Preferentially, buffering locking mechanism is including locating the breach of slide rail left part with locate the bolster of slide rail top, the breach shape with third pivot phase-match, it will when being used for wideling close the door the third pivot pins, the bolster is right third pivot effect is kept away from the power of breach prevents the third pivot is locked buffering locking mechanism is including locating the breach of slide rail left part with locate the bolster of slide rail top, the breach shape with third pivot phase-match, it will when being used for wideling close the door the third pivot pins, the bolster is right third pivot effect is kept away from the power of breach, it will when being used for slowly closing the door the third pivot is inhaled and is prevented by the locking.

Preferably, the door opening state and the anti-pinch state are that the upper part of the impact resisting part is positioned outside the shell, and the door closing state is that the upper part of the impact resisting part is positioned in the shell.

Preferably, the flushing-resisting piece is further provided with a reset mechanism, and the reset mechanism is used for resetting the flushing-resisting piece when the door leaf is opened again after being closed.

Preferably, the return mechanism is an extension spring.

Preferably, the middle part of the impact-resisting part is provided with an arc surface, and the head part of the sliding rod is provided with a curved surface matched with the arc surface.

Preferably, a rolling device is arranged at the upper part of the baffle piece.

Preferably, the anti-pinch safety device is further provided with an L-shaped bottom plate and an outer shell, wherein the L-shaped bottom plate is located on one side, close to the door frame, of the shell, and the outer shell is located on the other side of the shell.

Preferably, the number of the slide rails is two, and the two slide rails are oppositely arranged on the two surfaces of the shell.

Preferably, a fixing hole is formed in the housing, and the shape of the fixing hole is matched with that of the first rotating shaft.

The embodiment of the utility model provides a safety device is prevented pressing from both sides by door crack above-mentioned one or more technical scheme have one of following technological effect at least: when the door crack anti-pinch safety device is used, the door crack anti-pinch safety device is arranged on a door frame, the upper part of a shock-resistant part is exposed out of the door frame, when a door leaf is closed vigorously, the door leaf impacts the upper part of the shock-resistant part and the slide rod slides downwards under the action of the second rotating shaft, so that the third rotating shaft is locked by the buffering locking mechanism, and the slide rod is locked to prop against the shock-resistant part to be fixed under the action of the second rotating shaft, and the purpose of blocking the door leaf from being closed quickly to cause a hand clamping is achieved; when the door leaf is slowly closed, the door leaf pushes the upper part of the impact-resistant part to act on the sliding rod to slide downwards through the second rotating shaft, the third rotating shaft is sucked by the buffering locking mechanism to slide rightwards, so that the sliding rod continues to rotate, and the impact-resistant part moves into the shell under the action of the second rotating shaft to close the door leaf; the door gap anti-pinch safety device realizes the anti-pinch of the door gap through the matching of the buffer component and the buffer locking mechanism, and has the advantage of preventing hands from being placed at the door gap and not being timely withdrawn to cause the hands to be pinched by the door when the external force is excessively closed.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without inventive labor.

Fig. 1 is a schematic structural view of a door crack anti-pinch safety device provided by the embodiment of the present invention.

Fig. 2 is an explosion diagram of the door crack anti-pinch safety device provided by the embodiment of the utility model.

Fig. 3 is an explosion diagram of the door gap anti-pinch safety device (with a housing) provided by the embodiment of the present invention.

Fig. 4 is an installation schematic view of the anti-pinch safety device for door gap provided by the embodiment of the utility model.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below by referring to the drawings are exemplary and intended to explain the embodiments of the present invention and are not to be construed as limiting the present invention.

In the description of the embodiments of the present invention, it should be understood that the terms "upper", "lower", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only used for convenience of description and simplification of the description of the embodiments of the present invention, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the embodiments of the present invention, "a plurality" means two or more unless specifically limited otherwise.

In an embodiment of the present invention, as shown in fig. 1 to 4, a door crack anti-pinch safety device 100 is provided, and is installed on a door frame 200, the door crack anti-pinch safety device 100 includes a housing 110 and a blocking component 120, the housing 110 is provided with a sliding rail 111, and the sliding rail 111 is provided with a buffering locking mechanism 112; the impact-resisting assembly 120 comprises an impact-resisting part 121 and a sliding rod 122, the lower part of the impact-resisting part 121 is movably connected with the housing 110 through a first rotating shaft 123, the middle part of the impact-resisting part 121 is movably connected with the sliding rod 122 through a second rotating shaft 124, one end of the sliding rod 122 is connected with the second rotating shaft 124, the other end of the sliding rod 122 is connected with a third rotating shaft 125, and the third rotating shaft 125 is located on the sliding rail 111 in a left-right sliding manner; when the door leaf 210 is closed with a large force, the door leaf 210 impacts the upper part of the impact-resistant member 121 and the sliding rod 122 slides downwards under the action of the second rotating shaft 124, so that the third rotating shaft 125 is locked by the buffering locking mechanism 112, and the sliding rod 122 is locked and abuts against the impact-resistant member 121 to be fixed through the action of the second rotating shaft 124, so that the door leaf 210 is prevented from being closed; when the door leaf 210 is slowly closed, the door leaf 210 pushes the upper part of the buffer part 121 to act on the sliding rod 122 to slide downwards through the second rotating shaft 124, the third rotating shaft 125 is sucked by the buffering locking mechanism 112 to slide rightwards, so that the sliding rod 122 continues to rotate, and the buffer part 121 moves inwards to the housing 110 through the action of the second rotating shaft 124, so as to close the door leaf 210.

When the door gap anti-pinch safety device 100 is used, the door gap anti-pinch safety device is arranged on a door frame 200, the upper part of a punch-resistant part 121 is exposed out of the door frame 200, when a door leaf 210 is closed strongly, the door leaf 210 impacts the upper part of the punch-resistant part 121 and acts on the sliding rod 122 to slide downwards through the second rotating shaft 124, so that the third rotating shaft 125 is locked by the buffering locking mechanism 112, the sliding rod 122 is locked and acts on the punch-resistant part 121 through the second rotating shaft 124 to fix, and the purpose of blocking the door leaf 210 from being closed quickly to cause a hand clamping is achieved; when the door leaf 210 is slowly closed, the door leaf 210 pushes the upper part of the impact-resistant member 121 to act on the sliding rod 122 to slide downwards through the second rotating shaft 124, the third rotating shaft 125 is sucked by the buffering locking mechanism 112 to slide rightwards, so that the sliding rod 122 continues to rotate, and the impact-resistant member 121 acts through the second rotating shaft 124 to move inwards into the shell 110 to close the door leaf 210; the door gap anti-pinch safety device 100 realizes the anti-pinch of the door gap through the cooperation of the buffer component 120 and the buffer locking mechanism 112, and has the advantage of preventing hands from being pinched by the door because the hands are not timely withdrawn at the door gap when the door is closed by overlarge external force.

In another embodiment of the present invention, as shown in fig. 1 and fig. 2, the buffering locking mechanism 112 includes a notch 113 disposed at the left portion of the sliding rail 111 and a buffering member 114 disposed above the sliding rail 111, the shape of the notch 113 matches with the shape of the third rotating shaft 125, and is used for locking the third rotating shaft 125 when the door is closed vigorously, the buffering member 114 applies a force away from the notch to the third rotating shaft, and is used for absorbing the third rotating shaft 125 to prevent the third rotating shaft from being locked when the door is closed slowly, the buffering member 114 is made of a magnetic material, preferably, a permanent magnetic material; the third shaft 125 is made of a magnetic material, which may be a hard magnetic material or a soft magnetic material, and the attraction force of the third shaft 125 can meet design requirements by selecting different magnetic materials according to a use scene, specifically, the acting force of the door leaf 210 on the impact-blocking member 121 and further the acting force conducted to the third shaft 125 when the door is closed strongly is a force in an inclined direction, which can be decomposed into a horizontal force parallel to the door frame 200 and a vertical force perpendicular to the door frame 200, and when the vertical force is greater than the attraction force, the third shaft 125 slides downward to enter the notch 113 and is locked and cannot slide continuously to achieve the anti-pinch purpose; when the vertical force is equal to the suction force, the vertical force and the suction force can be mutually offset, so that the third rotating shaft 125 slides rightwards along the sliding rail 111 under the action of the horizontal force to achieve the purpose of closing the door.

In the utility model discloses a in another embodiment, as shown in fig. 1, the state of opening the door and prevent pressing from both sides the state hinder and dash piece 121 upper portion and be located outside casing 110, the state of closing the door hinder and dash piece 121 upper portion and be located in casing 110, such design makes hinder dash piece 121 upper portion open the door the state with prevent pressing from both sides the state expose in casing 110 is convenient for block thereby door leaf 210 reaches the effect that prevents the hand and be hindered by the crack clamp, and hinder and dash piece 121 upper portion and be located can make in the casing 110 door leaf 210 closes and does not leave the seam, reaches the effect of closing the door.

In another embodiment of the present invention, as shown in fig. 1, a reset mechanism 126 is further disposed on the impact-blocking member 121, and the reset mechanism 126 is used for resetting the impact-blocking member 121 when the door leaf 210 is closed and then opened again.

In another embodiment of the present invention, as shown in fig. 1, the reset mechanism 126 is an extension spring, which is convenient for the door leaf 210 to be closed and then to be opened again, the impact-preventing member 121 is pulled back to be reset to be in the anti-pinch state.

In another embodiment of the present invention, as shown in fig. 1 and fig. 2, the middle of the impact-resisting member 121 has an arc surface 127, and the head of the sliding rod 122 has a curved surface 128 matching with the arc surface 127, so that the impact-resisting member 121 and the sliding rod 122 can rotate in cooperation.

In another embodiment of the present invention, in order to reduce the damage to the door leaf 210, as shown in fig. 1, a rolling device 129 is disposed on the upper portion of the impact-resisting member 121, and the rolling device 129 is a plurality of small rollers or rolling shafts disposed on the upper surface of the impact-resisting member 121.

In another embodiment of the present invention, as shown in fig. 3, the anti-pinch safety device 100 is further provided with an L-shaped bottom plate 130 and an outer shell 140, the L-shaped bottom plate 130 is located on one side of the door frame 200 close to the casing 110, the outer shell 140 is located on the other side of the casing 110, the L-shaped bottom plate 130 is used for fixing the door frame 200, and can protect the door frame 200 from collision and enhance the fixing effect.

In another embodiment of the present invention, as shown in fig. 1, the number of the sliding rails 111 is two, two of the sliding rails 111 are relatively disposed on two sides of the housing 110, and such a design makes the third rotating shaft 125 slide more smoothly and stably.

In another embodiment of the present invention, as shown in fig. 2, a fixing hole 115 is formed on the housing 110, and the shape of the fixing hole 115 matches with the shape of the first rotating shaft 123, so that the first rotating shaft 123 can rotate conveniently.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not intended to limit the present invention, and any modifications, equivalents, improvements, etc. made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims

1. A safety device (100) is prevented pressing from both sides by crack, installs in door frame (200), and its characterized in that, this safety device is prevented pressing from both sides by crack (100) includes:

the device comprises a shell (110), wherein the shell (110) is provided with a slide rail (111), and a buffer locking mechanism (112) is arranged on the slide rail (111); and

the impact resistance assembly (120) comprises an impact resistance part (121) and a sliding rod (122), the lower part of the impact resistance part (121) is movably connected with the shell (110) through a first rotating shaft (123), the middle part of the impact resistance part (121) is movably connected with the sliding rod (122) through a second rotating shaft (124), one end of the sliding rod (122) is connected with the second rotating shaft (124) while the other end is connected with a third rotating shaft (125), and the third rotating shaft (125) can be positioned on the sliding rail (111) in a left-right sliding manner; when the door leaf (210) is closed strongly, the door leaf (210) impacts the upper part of the impact resistant piece (121) to enable the sliding rod (122) to slide downwards under the action of the second rotating shaft (124), so that the third rotating shaft (125) is locked by the buffering locking mechanism (112), and the sliding rod (122) is locked to be abutted against the impact resistant piece (121) under the action of the second rotating shaft (124) to be fixed so as to achieve the effect of blocking the door leaf (210) from being closed; when the door leaf (210) is slowly closed, the door leaf (210) pushes the upper part of the impact resistant piece (121) to slide downwards through the action of the second rotating shaft (124) on the sliding rod (122), the third rotating shaft (125) is sucked by the buffering locking mechanism (112) and then slides rightwards to cause the sliding rod (122) to continue rotating, and the impact resistant piece (121) moves inwards to the shell (110) through the action of the second rotating shaft (124) to achieve the effect of closing the door leaf (210).

2. The anti-pinch door gap safety device (100) according to claim 1, wherein the buffering locking mechanism (112) comprises a notch (113) formed in the left portion of the sliding rail (111) and a buffer member (114) arranged above the sliding rail (111), the shape of the notch (113) is matched with that of the third rotating shaft (125), the third rotating shaft (125) is locked when the third rotating shaft is used for closing the door vigorously, the buffer member (114) acts on the third rotating shaft (125) and keeps away from the force of the notch (113), and the third rotating shaft (125) is sucked to prevent being locked when the door is closed slowly.

3. The anti-pinch door gap safety device (100) according to claim 1, characterized in that the upper part of the impact-resistant member (121) is located outside the housing (110) in the door-open state and the upper part of the impact-resistant member (121) is located inside the housing (110) in the door-closed state.

4. The anti-pinch door closer (100) according to claim 1, wherein the impact-resistant member (121) further comprises a reset mechanism (126), and the reset mechanism (126) is used for resetting the impact-resistant member (121) when the door leaf (210) is opened again after being closed.

5. The door crack anti-pinch security device (100) of claim 4 wherein the return mechanism (126) is an extension spring.

6. The anti-pinch door closer (100) according to claim 1, wherein the impact-blocking member (121) has a circular arc surface (127) at a middle portion thereof, and the head portion of the sliding rod (122) has a curved surface (128) which is engaged with the circular arc surface (127).

7. The anti-pinch door closer (100) according to any one of claims 1 to 6, wherein the impact stopper (121) is provided with a rolling device (129) at an upper portion thereof.

8. The anti-pinch door lock (100) according to any one of claims 1 to 6, characterized in that the anti-pinch door lock (100) further comprises an L-shaped base plate (130) and a housing (140), the L-shaped base plate (130) is located on one side of the housing (110) close to the door frame (200) and the housing (140) is located on the other side of the housing (110).

9. The anti-pinch door gap safety device (100) according to any one of claims 1 to 6, wherein the number of the slide rails (111) is two, and the two slide rails (111) are oppositely arranged on two sides of the housing (110).

10. The anti-pinch door security device (100) according to any one of claims 1 to 6, characterized in that the housing (110) is provided with a fixing hole (115), and the fixing hole (115) is matched with the first rotating shaft (123) in shape.