CN220336664U - Anti-pinch door lock - Google Patents

Abstract

The utility model discloses an anti-pinch door lock, which is characterized in that: comprising the following steps: the left end or the right end of the shell is provided with an avoidance port; the lock body is positioned in the shell, the lock body is provided with a lock tongue which can extend out of the shell from the avoidance opening or retract into the shell, and the front side and the rear side of the lock tongue are both planes.

Description

Anti-pinch door lock

Technical Field

The utility model relates to a lock, in particular to a hand-clamping-preventing door lock.

Background

The door lock is internally provided with a telescopic movable lock tongue, the side face of the lock tongue, facing the door frame, is an inclined surface, when the door is closed, the lock tongue is propped against the door frame, the inclined side face of the lock tongue can play a role in guiding, so that the lock tongue automatically retracts, the door is conveniently closed, but the problem of safety in use is also brought, when people put hands on the door edge in time and loose hands, the lock tongue retracts when the door leaf rotates to the door frame, fingers can be clamped between the door leaf and the door frame, especially, the phenomenon of clamping hands often occurs when children close the door, and when the door closing force is large, the finger bones are clamped off even. Therefore, a door lock capable of preventing a pinching during closing is needed to improve the safety during closing.

Disclosure of Invention

The present utility model is directed to a pinch resistant door lock that solves one or more of the problems of the prior art, and provides at least one of a beneficial choice or creation.

The utility model solves the technical problems as follows:

a pinch resistant door lock comprising: the left end or the right end of the shell is provided with an avoidance port; the lock body is positioned in the shell, the lock body is provided with a lock tongue which can extend out of the shell from the avoidance port or retract into the shell, and the front side surface and the rear side surface of the lock tongue are both planes.

The technical scheme has at least the following beneficial effects: install the shell in the door leaf of peripheral hardware, the door leaf is when opening the state, can stretch out the shell with the spring bolt in the lock body from dodging the mouth, when directly closing the door leaf, the door leaf is close to the door frame to peripheral hardware, the spring bolt offsets with the door frame this moment, because the leading flank of spring bolt is the plane, the spring bolt can not directly retract into the shell after offset with the door frame this moment, leave the clearance between door limit and the door frame, this clearance can hold the finger, thereby prevent the tong, then retract into the shell with the spring bolt, the side can continue to rotate the door leaf in to the door frame, then stretch out the shell with the spring bolt from dodging the mouth, can mutually support the lockhole in spring bolt and the door frame, because the trailing flank of spring bolt is the plane, draw back can not make the spring bolt retract yet, so utilize the spring bolt that stretches out to interfere in the door leaf direct closing to the door frame, can make between the door limit of door frame and the formation hold the clearance of finger, thereby realize preventing the tong function, the security when having improved the door.

As a further improvement of the technical scheme, the front side surface of the lock tongue is connected with a buffer pad. When the front side of the lock tongue offsets with the peripheral doorframe, the buffer cushion can offset with the doorframe to contact, and the buffer cushion can be utilized to play a role in damping and buffering, so that the damage to the lock tongue caused by direct impact with the doorframe can be reduced, the noise generated when the lock tongue and the doorframe collide with each other is reduced, and the use experience is improved.

As a further improvement of the technical scheme, the lock body comprises a guide frame, a swivel base and a spring, wherein a baffle is connected in the shell, the lock tongue is connected to the guide frame, two ends of the spring respectively prop against the guide frame and the baffle, the spring has the trend of pushing the guide frame to the avoidance opening and enabling the lock tongue to extend out of the avoidance opening, the swivel base is rotationally connected to the shell, a shifting block is connected to the swivel base, a notch is formed in the top side and/or the bottom side of the guide frame, and the shifting block can be driven to rotate to prop against one side of the notch away from the avoidance opening when the swivel base rotates. The shell is internally connected with a fixed baffle, one end of the spring is propped against the baffle, the other end is propped against the guide frame, the guide frame is propped against the avoidance opening, the spring bolt on the guide frame stretches out of the avoidance opening, thereby keeping the state that the spring bolt stretches out of the shell, when the spring bolt is required to be retracted into the shell, the rotary base is rotated, the shifting block on the rotary base is rotated to be propped against one side of the notch, which is far away from the avoidance opening, along with the continuing rotation of the rotary base, the shifting block can pull the guide frame away from the direction of the avoidance opening, at the moment, the spring is compressed, the spring bolt connected to the guide frame also stretches back into the shell from the avoidance opening, when the spring bolt stretches out of the shell again, the external force to the rotary base is removed, the spring force of the spring props the guide frame against the avoidance opening, the spring bolt connected to the guide frame stretches out of the shell from the avoidance opening, and the guide frame can also drive the rotary base to reset through the shifting block.

As a further improvement of the technical scheme, the guide frame comprises a vertical plate and side plates connected to the upper side and the lower side of the vertical plate, two ends of the spring respectively prop against the vertical plate and the baffle, the lock tongue is connected to the vertical plate, the swivel mount is located between the two side plates, and at least one side plate is provided with the notch. The upper side plate and the lower side plate form a shape with the vertical plate connected between the two side plates, when the rotary seat between the two side plates rotates, the rotary seat can prop against one side of a notch formed in any side plate, the whole guide frame is pulled to be far away from the avoidance port through the side plates, the end part of the spring props against the vertical plate positioned in the middle of the guide frame, and stable thrust can be provided for the guide frame.

As a further improvement of the technical scheme, two limiting grooves are formed in the shell along the up-down direction, and the two side plates can be respectively inserted into the two limiting grooves. When the spring bolt is recovered in to the shell, the direction activity that the mouth was dodged to the leading truck was kept away from, and two limiting grooves were inserted respectively to the both sides on the leading truck this moment, and the activity about utilizing two limiting grooves can be spacing to the leading truck to improve the stability of spring bolt activity.

As a further improvement of the technical scheme, one side of the notch away from the avoidance opening is connected with a guide plate, a slot hole is formed in the position, facing the guide plate, of the shell, the guide plate obliquely extends out of the slot hole along the direction close to the avoidance opening, and the shifting block can be driven to rotate to abut against the guide plate when the rotary seat rotates. When the swivel mount drives the rotating block to prop and press one side of dodging the mouth away from in the breach, the rotating block can directly prop against in the guide plate to push the guide frame in the direction of dodging the mouth away from through the guide plate, so can reduce the rotating block and rotate the breach of guide frame in order to promote the required pivoted stroke when the guide frame, improve and rotate the swivel mount and retract the sensitivity in the shell with the drive spring bolt, thereby improve and use experience, and the slotted hole that just set up the guide plate on the shell can dodge the activity about the guide plate, so can reduce the distance between curb plate and the shell inner wall, overall structure is compacter.

As a further improvement of the technical scheme, one end of the rotary seat is provided with a rotary hole, and a hole is formed in the position, opposite to the rotary hole, of the shell. When the rotary seat is required to be rotated, the external tool can extend into the rotary hole through the hole, and the rotary seat can be driven to rotate by matching with the rotary hole, so that the lock tongue can be conveniently operated to retract into the shell.

As a further improvement of the technical scheme, the left end or the right end of the shell is provided with the mounting groove, the avoidance opening is arranged at the bottom of the mounting groove, the mounting groove is internally connected with the inner frame in a matched manner, the inner frame is connected with the flange which is propped against the inner edge of the avoidance opening, the flange is surrounded to form a channel, and the lock tongue can extend from the channel or retract into the shell. The mounting groove is formed in the end portion of the outer shell, the inner frame can be accommodated through the mounting groove, the compactness of the mutual connection of the outer shell and the inner frame is improved, the inner frame is connected with the flange which abuts against the inner edge of the avoidance opening, the inner edge of the avoidance opening extends along the edge of the avoidance opening, the periphery of the flange is provided with a channel which is identical to the shape of the avoidance opening, the lock tongue stretches out of the outer shell from the channel or retracts into the outer shell from the channel, and when the lock tongue is used, the inner frame can be made of materials different from the outer shell, friction to the lock tongue can be reduced, and the smoothness of the lock tongue activity is improved.

As a further improvement of the technical scheme, the end face of the shell, which is provided with the avoidance port, is connected with a panel, and a through hole is formed in the position, which is opposite to the avoidance port, of the panel. When the lock is used, the panel can be made of different colors and materials according to the needs, so that the lock is matched with the installation of the door leaf, the appearance during use is improved, and the through holes in the panel can avoid the movement of the lock tongue.

As a further improvement of the technical scheme, the front side and the rear side of the shell are respectively provided with mounting holes which are opposite to each other. When the door is installed and used, the shell is installed in the door leaf of the peripheral equipment, and the handle installed on the peripheral equipment can penetrate through the installation hole of the shell to achieve the installation with the door leaf.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the drawings that are required to be used in the description of the embodiments will be briefly described below. It is evident that the drawings described are only some embodiments of the utility model, but not all embodiments, and that other designs and drawings can be obtained from these drawings by a person skilled in the art without inventive effort.

Fig. 1 is an overall assembled perspective view of the present utility model.

Fig. 2 is a schematic diagram of the overall explosive structure of the present utility model.

Fig. 3 is a schematic view of the internal structure of the present utility model.

Fig. 4 is a schematic view of the structure of the lock tongue and the lock base of the present utility model when they are separated from each other.

Fig. 5 is a schematic view of the structure of the lock tongue and the lock base of the present utility model when they are connected to each other.

In the accompanying drawings: 100-shell, 110-baffle, 120-limit groove, 130-slot, 140-mounting hole, 210-lock tongue, 211-buffer pad, 220-guide frame, 221-notch, 222-riser, 223-side plate, 224-guide piece, 230-swivel seat, 231-shifting block, 232-swivel hole, 240-spring, 300-inner frame, 310-flange, 400-panel, 410-through hole, 510-crashproof block, 520-lock seat.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, it should be understood that references to orientation descriptions such as upper, lower, front, rear, left, right, etc. are based on the orientation or positional relationship shown in the drawings, are merely for convenience of description of the present utility model and to simplify the description, and do not indicate or imply that the apparatus or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, a number means one or more, a number means two or more, and greater than, less than, exceeding, etc. are understood to not include the present number, and above, below, within, etc. are understood to include the present number. The description of the first and second is for the purpose of distinguishing between technical features only and should not be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated or implicitly indicating the precedence of the technical features indicated.

In the description of the present utility model, unless explicitly defined otherwise, terms such as arrangement, installation, connection, etc. should be construed broadly and the specific meaning of the terms in the present utility model can be reasonably determined by a person skilled in the art in combination with the specific contents of the technical scheme.

Referring to fig. 1, fig. 2 and fig. 3, a hand-clamping prevention door lock comprises a housing 100 and a lock body, wherein an avoidance opening is formed in the left end or the right end of the housing 100, typically, the housing 100 is opposite to one end of a lock hole on a door frame, the lock body is located in the housing 100, the lock body is provided with a lock tongue 210 which can extend out of the housing 100 from the avoidance opening or retract into the housing 100, when a door leaf is closed to the door frame, the direction of the lock tongue 210 moving towards the door frame is the front, and the front side and the rear side of the lock tongue 210 are both planes.

According to the above, the shell 100 is installed in the door leaf of the external device, when the door leaf is in an open state, the lock tongue 210 in the lock body can extend out of the shell 100 from the avoidance opening, when the door leaf is directly closed, the door leaf is close to the door frame of the external device, the lock tongue 210 is abutted against the door frame at the moment, because the front side surface of the lock tongue 210 is a plane, the lock tongue 210 cannot be abutted against the door frame and then directly retracted into the shell 100, a gap is reserved between the door edge and the door frame, and the gap can accommodate fingers, so that a clamping hand is prevented, then the lock tongue 210 is retracted into the shell 100, the door leaf can be continuously rotated into the door frame, then the lock tongue 210 extends out of the shell 100 from the avoidance opening, and the lock holes in the lock tongue 210 and the door frame are mutually matched, and the lock tongue 210 is not retracted when the door leaf is pulled backwards due to the plane, so that the extended lock tongue 210 is directly closed into the door frame by interference, and the gap for accommodating fingers is formed between the door edge of the door leaf and the door frame, so that the clamping hand is prevented from being closed.

In practical applications, in order to increase the gap formed when the lock tongue 210 abuts against the door frame, an anti-collision block 510 may be added at the position of the door frame corresponding to the position abutting against the lock tongue 210, as shown in fig. 4, a is the gap formed between the lock tongue 210 and the door frame, and as shown in fig. 5, a schematic structural diagram is shown when the lock tongue 210 and the lock seat 520 in the door frame are connected to each other.

When the front side of the lock tongue 210 directly collides with the door frame, the vibration of the lock tongue 210 is larger, and the generated noise is also larger, so as to improve the use experience, in this embodiment, the front side of the lock tongue 210 is connected with a buffer pad 211. When the front side of the lock tongue 210 is abutted against the peripheral door frame, the buffer pad 211 can be abutted against the door frame, the buffer pad 211 can be utilized to play a role in damping and buffering, the damage to the lock tongue 210 caused by direct collision with the door frame can be reduced, the noise generated when the lock tongue 210 and the door frame collide with each other is reduced, and the use experience is improved. In practical application, a cavity is disposed in the middle of the lock tongue 210, an opening communicating with the cavity is disposed at the end of the lock tongue 210 opposite to the housing 100, a slot communicating with the cavity is disposed on the front side of the lock tongue 210, and the buffer pad 211 is inserted into the cavity from the opening and has a portion protruding from the slot on the front side of the lock tongue 210, so that the buffer pad 211 is firmly mounted in the lock tongue 210.

The lock tongue 210 in the lock body can move along the left and right directions, for example, a sliding block is directly connected to the shell 100, the lock tongue 210 is driven to extend out of the shell 100 from the avoidance opening or retract into the shell 100 from the avoidance opening through the sliding block, at this time, the lock tongue 210 is driven to move through a left and right sliding mode, in this embodiment, the lock body can drive the lock tongue 210 to move through a rotating mode, specifically, the lock body comprises a guide frame 220, a rotating seat 230 and a spring 240, a baffle 110 is connected to the shell 100, the lock tongue 210 is connected to the guide frame 220, two ends of the spring 240 respectively prop against the guide frame 220 and the baffle 110, the spring 240 has a trend of propping the guide frame 220 against the avoidance opening and enabling the lock tongue 210 to extend out of the avoidance opening, the rotating seat 230 is rotationally connected to the shell 100, a shifting block 231 is connected to the rotating seat 230, and a notch 221 is arranged on the top side and/or the bottom side of the guide frame 220, and the shifting block 231 can be driven to rotate to the side far away from the avoidance opening 221 when the rotating seat 230. The fixed baffle 110 is connected in the shell 100, one end of the spring 240 is propped against the baffle 110, the other end is propped against the guide frame 220, the guide frame 220 is propped against the avoidance opening, the lock tongue 210 on the guide frame 220 stretches out of the avoidance opening, the state that the lock tongue 210 stretches out of the shell 100 is kept, when the lock tongue 210 needs to be retracted into the shell 100, the swivel base 230 is rotated, the shifting block 231 on the swivel base 230 is rotated to be propped against one side of the notch 221 away from the avoidance opening, along with the continuing rotation of the swivel base 230, the shifting block 231 can pull the guide frame 220 towards the direction away from the avoidance opening, at the moment, the spring 240 is compressed, the lock tongue 210 connected to the guide frame 220 also retracts into the shell 100 from the avoidance opening, when the lock tongue 210 needs to stretch out of the shell 100 again, the outer force to the swivel base 230 is removed, the elastic force of the spring 240 props the guide frame 220 against the avoidance opening, the lock tongue 210 connected to the guide frame 220 stretches out of the shell 100 from the avoidance opening, and the rotation of the guide frame 220 can also drive the swivel base 230 to reset through the shifting block 231.

As a further embodiment of the structure of the guide frame 220, the guide frame 220 includes a riser 222, and side plates 223 connected to the upper and lower sides of the riser 222, two ends of the spring 240 respectively prop against the riser 222 and the baffle 110, the lock tongue 210 is connected to the riser 222, the lock tongue 210 is detachably connected to the riser 222, for example, a connection hole is provided on the lock tongue 210, a connection screw hole is provided on a side of the lock tongue 210 opposite to the riser 222, and a screw is connected to the connection screw hole in a matching manner after passing through the connection hole, so as to connect and lock the lock tongue 210 and the riser 222 with each other, the swivel 230 is located between the two side plates 223, and at least one side plate 223 is provided with the notch 221. The upper and lower side plates 223 and the vertical plate 222 connected between the two side plates 223 form a shape, when the rotary seat 230 between the two side plates 223 rotates, the rotary seat can prop against one side of the notch 221 formed on any side plate 223, the whole guide frame 220 is pulled away from the avoidance port through the side plate 223, and the end part of the spring 240 props against the vertical plate 222 positioned in the middle of the guide frame 220, so that stable thrust can be provided for the guide frame 220.

In order to improve the stability of the guide frame 220, in this embodiment, two limiting grooves 120 are disposed in the housing 100 along the up-down direction, two side plates 223 may be inserted into the two limiting grooves 120, in practical application, two ribs may be connected in the housing 100 along the up-down direction at intervals, the two ribs extend along the left-right direction, one limiting groove 120 is formed between the rib above and the inner top wall of the housing 100, and another limiting groove 120 is formed between the rib below and the inner bottom wall of the housing 100. When the lock tongue 210 is recovered into the housing 100, the guide frame 220 moves away from the avoidance port, at this time, two sides of the guide frame 220 are respectively inserted into the two limiting grooves 120, and the left and right movement of the guide frame 220 can be limited by using the two limiting grooves 120, so that the stability of the movement of the lock tongue 210 is improved.

When the rotating block on the rotating seat 230 needs to prop against one side of the notch 221 and then drive the whole guide frame 220 to move in a direction away from the avoidance opening, the rotating amplitude of the rotating seat 230 is larger, so as to more conveniently drive the whole guide frame 220 to move. When the swivel base 230 drives the swivel block to prop against one side of the notch 221 far away from the avoidance port, the swivel block can directly prop against the guide piece 224 and push the guide frame 220 to the direction far away from the avoidance port through the guide piece 224, so that the required rotating stroke when the swivel block rotates to the notch 221 of the guide frame 220 to push the guide frame 220 can be reduced, the sensitivity of rotating the swivel base 230 to drive the lock tongue 210 to retract into the shell 100 is improved, the use experience is improved, the slotted hole 130 on the shell 100, which is opposite to the guide piece 224, can avoid the left-right movement of the guide piece 224, so that the distance between the side plate 223 and the inner wall of the shell 100 can be reduced, and the whole structure is more compact.

In practical application, the top side and the bottom side of the guide frame 220 are both provided with notches 221, that is, the two side plates 223 are both provided with notches 221, one side, away from the avoidance opening, of each notch 221 is connected with a guide piece 224, the guide piece 224 located above extends obliquely upwards along the direction close to the avoidance opening, the guide piece 224 located below extends obliquely downwards along the direction close to the avoidance opening, two shifting blocks 231 are connected to the swivel base 230 along the up-down direction, the shifting blocks 231 located above extend obliquely upwards along the direction close to the avoidance opening, the shifting blocks 231 located below extend obliquely downwards along the direction close to the avoidance opening, the upper shifting block 231 and the lower shifting block 231 are respectively corresponding to the guide pieces 224 on one side of the two notches 221, and at the moment, no matter the swivel base 230 rotates forwards or reversely, one rotating block on the swivel base 230 rotates to be propped against one guide piece 224 opposite to the swivel base, so that the whole guide frame 220 is driven to move.

In the above embodiment, if the swivel base 230 is required to rotate, a part of the swivel base 230 may protrude from the housing 100, and may directly act on the protruding part when in use, so as to rotate the swivel base 230, in this embodiment, a rotation hole 232 is provided at one end of the swivel base 230, a hole is provided on the housing 100 opposite to the rotation hole 232, and the shape of the rotation hole 232 is polygonal, such as triangle, rectangle, etc. When the rotary seat 230 is required to rotate, the external tool can extend into the rotary hole 232 through the hole, and the rotary seat 230 can be driven to rotate by matching with the rotary hole 232, so that the lock tongue 210 can be conveniently operated to retract into the housing 100.

When the shell 100 is made of metal, the bolt 210 stretches out or retracts from the avoidance opening in the shell 100 to the shell 100, the bolt 210 made of metal is easy to generate larger abrasion with the shell 100, and generates harsh sound, so that the flanges 310 made of different materials can be added at the position of the avoidance opening of the shell 100, the smoothness of the movement of the bolt 210 is improved, in the embodiment, the left end or the right end of the shell 100 is provided with a mounting groove, the avoidance opening is arranged at the bottom of the mounting groove, an inner frame 300 is connected in the mounting groove in a matched manner, the inner frame 300 is connected with a flange 310 propped against the inner edge of the avoidance opening, a channel is surrounded by the flange 310, and the bolt 210 can stretch out of or retract into the shell 100 from the channel. The mounting groove is formed in the end portion of the outer shell 100, the inner frame 300 can be accommodated through the mounting groove, the tightness of the interconnection between the outer shell 100 and the inner frame 300 is improved, the inner frame 300 is connected with the flange 310 propped against the inner edge of the avoidance opening, the flange 310 extends along the inner edge of the avoidance opening, the flange 310 is provided with a channel with the same shape as the avoidance opening in a surrounding mode, at the moment, the lock tongue 210 extends out of the outer shell 100 from the channel or retracts into the outer shell 100 from the channel, and when the lock tongue is used, the inner frame 300 can be made of materials different from the outer shell 100, friction to the lock tongue 210 can be reduced, and the smoothness of the movement of the lock tongue 210 is improved.

The position of dodging the mouth is provided with on the shell 100 and can expose generally, in order to improve the outward appearance, can use other materials to shelter from it, specifically, be provided with on the shell 100 dodge the terminal surface of mouth is connected with panel 400, panel 400 just to dodge the position of mouth and be provided with through-hole 410. When in use, the panel 400 can be made of different colors and materials according to the requirement, so as to adapt to the installation of the door leaf and improve the appearance when in use, and the through holes 410 on the panel 400 can avoid the movement of the lock tongue 210.

In some embodiments, the front and rear sides of the housing 100 are provided with mounting holes 140 facing each other, respectively. When the door is installed and used, the shell 100 is installed in the door leaf of the peripheral equipment, and the handle installed on the peripheral equipment can penetrate through the installation hole 140 of the shell 100 to achieve the installation with the door leaf.

In practical applications, the housing 100 includes a bottom cover and a top cover, which are connected to each other and then enclose a cavity formed to accommodate the lock body, and the bottom cover and the top cover are detachable from each other, for example, connected to each other by screws, so that the lock body inside is convenient to maintain.

While the preferred embodiments of the present utility model have been illustrated and described, the present utility model is not limited to the embodiments, and various equivalent modifications and substitutions can be made by one skilled in the art without departing from the spirit of the present utility model, and these are intended to be included in the scope of the present utility model as defined in the appended claims.

Claims (10)

1. The utility model provides a prevent tong lock which characterized in that: comprising the following steps:

a housing (100) with a left end or a right end provided with a avoidance port;

the lock body is positioned in the shell (100), the lock body is provided with a lock tongue (210) which can extend out of the shell (100) from the avoidance port or retract into the shell (100), and the front side and the rear side of the lock tongue (210) are both planes.

2. The anti-pinch door lock of claim 1, wherein: the front side of the lock tongue (210) is connected with a buffer pad (211).

3. The anti-pinch door lock of claim 1, wherein: the lock body comprises a guide frame (220), a swivel mount (230) and a spring (240), wherein a baffle plate (110) is connected in the shell (100), the lock tongue (210) is connected to the guide frame (220), two ends of the spring (240) respectively prop against the guide frame (220) and the baffle plate (110), the spring (240) has a trend of pushing the guide frame (220) towards the avoidance opening and enabling the lock tongue (210) to extend out of the avoidance opening, the swivel mount (230) is rotationally connected to the shell (100), a shifting block (231) is connected to the swivel mount (230), a notch (221) is formed in the top side and/or the bottom side of the guide frame (220), and the shifting block (231) can be driven to rotate to prop against one side, away from the avoidance opening, of the notch (221) when the swivel mount (230) rotates.

4. A pinch resistant door lock as set forth in claim 3, wherein: the guide frame (220) comprises a vertical plate (222) and side plates (223) connected to the upper side and the lower side of the vertical plate (222), two ends of the spring (240) respectively prop against the vertical plate (222) and the baffle plate (110), the lock tongue (210) is connected to the vertical plate (222), the swivel mount (230) is located between the two side plates (223), and at least one side plate (223) is provided with the notch (221).

5. The anti-pinch door lock of claim 4, wherein: two limiting grooves (120) are formed in the shell (100) along the up-down direction, and the two side plates (223) can be respectively inserted into the two limiting grooves (120).

6. A pinch resistant door lock as set forth in claim 3, wherein: one side of the notch (221) far away from the avoidance port is connected with a guide plate (224), a slot hole (130) is formed in the position, opposite to the guide plate (224), of the shell (100), the guide plate (224) obliquely extends out of the slot hole (130) along the direction close to the avoidance port, and when the rotary seat (230) rotates, the rotary seat (230) can drive the shifting block (231) to rotate to prop against the guide plate (224).

7. A pinch resistant door lock as set forth in claim 3, wherein: one end of the swivel base (230) is provided with a swivel hole (232), and a hole is formed in the position, opposite to the swivel hole (232), of the shell (100).

8. The anti-pinch door lock of claim 1, wherein: the left end or the right-hand member of shell (100) is provided with the mounting groove, dodge the mouth set up in the tank bottom of mounting groove, the mounting groove interior cooperation is connected with inside casing (300), be connected with on inside casing (300) offset in dodge flange (310) of mouth inward flange, flange (310) enclose and establish the formation passageway, spring bolt (210) can follow the passageway stretches out or withdraws back to in shell (100).

9. The anti-pinch door lock of claim 1, wherein: the shell (100) is provided with the end face of the avoidance port connected with a panel (400), and a through hole (410) is formed in the position, opposite to the avoidance port, of the panel (400).

10. The anti-pinch door lock of claim 1, wherein: mounting holes (140) opposite to each other are respectively formed in the front side and the rear side of the shell (100).