CN221152362U - Safety door fence with small object door - Google Patents

Abstract

A safety door rail for driving a small object door relates to the technical field of door rails. The door comprises a main door and a small door, wherein the small door comprises: the door body is fixedly arranged at the lower part of the main door and is provided with an inlet and an outlet; the baffle plate is arranged on the door body in a sliding mode and used for opening or closing the inlet and the outlet, and at least two clamping grooves are formed in the baffle plate at intervals along the sliding direction of the baffle plate; and the locking piece is arranged on the door body in a sliding mode and can be clamped with or separated from the clamping groove. By adopting the technical scheme, the novel animal inlet and outlet device has the advantages of being simple in structure, convenient for animals to enter and exit, avoiding occupying indoor or outdoor space due to the fact that the small door rotates to be opened, enabling the baffle to be fixed at a preset position due to the arrangement of the locking piece and the clamping groove, and avoiding the fact that the baffle is opened carelessly or the inlet and the outlet are closed carelessly due to the effect of external force.

Description

Safety door fence with small object door

Technical Field

The utility model relates to the technical field of door railings, in particular to a safety door railing for driving a small object door.

Background

In raising pets, more or less relevant pet appliances are used, and a door rail which is convenient for the pets to enter is an indispensable door rail, so that door-in-door structures are arranged at home for facilitating the passage of animals, small doors of the door-in-door structures are usually connected with a main door through hinges, but the small doors usually occupy indoor or outdoor space when in an open state, and therefore, the improvement is needed.

Disclosure of utility model

Aiming at the defects and shortcomings in the prior art, the utility model provides the safety door fence for driving the object small door, which has the advantages of bringing convenience for animals to get in and out, avoiding occupying indoor or outdoor space due to the rotation and opening of the small door, realizing the baffle plate to be fixed at a preset position due to the arrangement of the locking piece and the clamping groove, and avoiding the baffle plate from being opened or closing the inlet and the outlet carelessly under the action of external force.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a safety door fence of little door of drive thing, includes main door and little door, little door includes: the door body is fixedly arranged at the lower part of the main door, and is provided with an inlet and an outlet; the baffle plate is arranged on the door body in a sliding mode and used for opening or closing the inlet and the outlet, and at least two clamping grooves are formed in the baffle plate at intervals along the sliding direction of the baffle plate; the locking piece is arranged on the door body in a sliding mode, and the locking piece can be clamped with or separated from the clamping groove.

The baffle plate is arranged on the door body in a sliding mode along the vertical direction, and the locking piece is arranged on the door body in a sliding mode along the horizontal direction.

The door body is internally provided with a movable cavity for the baffle to slide up and down, and the top of the door body is provided with an opening which is communicated with the movable cavity and is used for the baffle to extend out of the door body so as to open the inlet and the outlet.

The joint groove is located left side edge and/or right side edge department of baffle, the upper portion of door body one side is provided with the guide way along the horizontal direction, the locking piece includes: the operation piece, the clamping part and the first elastic piece, one part of the operation piece is assembled in the guide groove in a sliding way, and the other part of the operation piece is arranged in the movable cavity; the clamping part is arranged on the operating piece and can be inserted into or separated from the clamping groove; the first elastic piece is arranged between the clamping part and the side wall of the movable cavity.

The baffle lower part just is located be provided with bellied first spacing portion in the activity chamber, door body upper portion is located be provided with on the activity chamber lateral wall can with the second spacing portion that first spacing portion offset.

The top of the door body is provided with a through hole communicated with the opening, the top of the baffle is provided with a handle part, and the handle part can be limited in the through hole or separated from the through hole.

The small door further comprises a slip-resistant structure for increasing friction between the baffle and the door body or the main door.

The main door includes: the device comprises a bracket, a fence body and a fixing assembly, wherein a passing port is formed in the bracket; the fence body is connected to the bracket through a hinge and is used for opening or closing the passing opening; one part of the fixing component is arranged on one side, away from the hinge, of the fence body, the other part of the fixing component is arranged on the support, and the fixing component is used for fixing or separating the fence body from the support.

The fixing assembly includes: the fixing device comprises a bracket, a first fixing part and a fixing piece, wherein the bracket is provided with a fixing groove; the fixing piece is movably assembled on the fence body, and the fixing piece can be limited in the fixing groove or separated from the fixing groove.

The fixing member includes: the second fixing part is fixedly arranged on one side, far away from the hinge, of the fence body; the pushing piece is movably assembled on the second fixing part along the horizontal direction; the plug connector is positioned in the pushing piece and can be plugged with the fixing groove; the second elastic piece is arranged in the second fixing part and is positioned between the plug-in connector and the inner side wall of the second fixing part, and when the fence body closes the passing opening, the plug-in connector is plugged in the fixing groove under the driving of the self restoring force of the second elastic piece.

After the technical scheme is adopted, the utility model has the beneficial effects that: 1. the small door is arranged at the lower part of the main door, so that animals can conveniently enter and exit, and meanwhile, the main door or the small door can be selectively opened according to the size of the animals.

2. The door body is arranged on the main door, the door body is provided with an inlet and an outlet in a penetrating way, the baffle plate is movably arranged on the door body, and the baffle plate slides back and forth along one direction relative to the door body to open or close the inlet and the outlet, so that the baffle plate is prevented from occupying indoor or outdoor space due to the fact that the inlet and the outlet are opened by rotation.

3. At least two clamping grooves are formed in the baffle at intervals along the sliding direction of the baffle. The locking piece is arranged on the door body in a sliding mode, and the locking piece can be clamped with or separated from the clamping groove, so that the baffle is prevented from moving under the action of external force in an opening or closing state.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of the structure of the small door and the main door in a closed state;

FIG. 2 is a schematic view of the structure of the small door and the main door in an open state;

FIG. 3 is a cross-sectional view of the small door in a closed position with the main door;

FIG. 4 is an exploded view of the small door in a closed position;

FIG. 5 is another schematic explosion view of the small door in a closed position;

FIG. 6 is an enlarged schematic view of a portion of FIG. 1A;

FIG. 7 is an enlarged partial schematic view of B in FIG. 3;

FIG. 8 is an enlarged partial schematic view of C in FIG. 3;

Fig. 9 is an enlarged partial schematic view of D in fig. 3.

Reference numerals illustrate: 1. a main door; 2. a small door; 21. a door body; 22. a baffle; 23. a locking member; a. an inlet and an outlet; b. a clamping groove; c. a movable cavity; 231. an operating member; 232. a clamping part; 233. a first elastic member; d. a guide groove; e. a mounting groove; f. a sliding groove; 221. a first limit part; 211. a second limit part; 222. a handle portion; 212. a first door frame; 213. a second door frame; 11. a bracket; 12. a fence body; 13. a hinge; 3. a fixing assembly; 31. a first fixing portion; g. a fixing groove; 32. a fixing member; 321. a second fixing portion; 322. a pushing member; 323. a plug-in component; 324. a second elastic member; h. a guide rail groove; 4. a slip-resistant structure; 41. and a third elastic member.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and those skilled in the art can make modifications to the present embodiment which do not contribute to the utility model as required after reading the present specification, but are protected by the patent laws within the scope of the appended claims.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of some utility models, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

The embodiment relates to a safety door fence for driving a small object door, which comprises a main door 1 and a small door 2, as shown in fig. 1-4, wherein the small door 2 is arranged at the lower part of the main door 1 so as to facilitate animals to enter and exit. The small door 2 includes: the door body 21, the baffle 22 and the locking piece 23, the door body 21 is fixedly arranged at the lower part of the main door 1, and the door body 21 is provided with an inlet and an outlet a. The baffle 22 is slidably disposed on the door body 21, and the baffle 22 is used for opening or closing the inlet and outlet a, that is, the baffle 22 slides reciprocally in one direction relative to the door body 21 to open or close the inlet and outlet a, so that the baffle 22 is prevented from occupying indoor or outdoor space due to the rotation of the inlet and outlet a. At least two clamping grooves b are formed in the baffle 22 at intervals along the sliding direction of the baffle 22. The locking piece 23 is slidably disposed on the door body 21, and the locking piece 23 can be engaged with or disengaged from the engaging groove b.

In some embodiments, as shown in fig. 2 and 4, two clamping grooves b are disposed on the baffle 22, and the two clamping grooves b are respectively located at two ends of the baffle 22 along the sliding direction, and when the baffle 22 closes the inlet and outlet a, the locking piece 23 is clamped with one clamping groove b, so as to avoid the baffle 22 from being opened carelessly. When the shutter 22 fully opens the inlet/outlet a, the locking piece 23 is engaged with the other engagement groove b, so that the shutter 22 is prevented from being closed carelessly, for example, the shutter 22 is closed by blowing of wind or closed by careless collision.

In some embodiments, a plurality of clamping grooves b are formed in the baffle 22, and the locking piece 23 can be clamped with the corresponding clamping groove b in the sliding process of the baffle 22, so that the sliding distance of the baffle 22 can be controlled, the baffle 22 can be fixed at a predetermined position, and the size of the inlet and the outlet a can be controlled.

Optionally, the baffle 22 is a transparent material article that facilitates the user's view of the animal through the baffle 22. The door body 21 is made of plastic, and the baffle 22 is made of a transparent acrylic plate.

Alternatively, as shown in fig. 1, 2 and 6, in order to realize that the baffle 22 is slidably mounted on the door body 21 to open or close the inlet and outlet a, the baffle 22 is slidably disposed on the door body 21 along a vertical direction, and the locking member 23 is slidably disposed on the door body 21 along a horizontal direction, in this embodiment, the locking member 23 is clamped with the clamping slot b, so that when the baffle 22 is in an open state, the baffle 22 is prevented from being displaced under the action of gravity, and when the baffle 22 is prevented from completely opening the inlet and outlet a, the baffle 22 occupies the space on both sides of the main door 1. In this embodiment, a movable cavity c for sliding the baffle 22 up and down is provided in the door body 21, and an opening communicating with the movable cavity c is provided at the top of the door body 21 for the baffle 22 to extend out of the door body 21 to open the inlet/outlet a.

Optionally, the baffle 22 is slidably disposed on the door body 21 along a horizontal direction, the locking member 23 is slidably disposed on the door body 21 along a vertical direction, in this embodiment, a movable cavity c for horizontally sliding the baffle 22 left and right is disposed in the door body 21, an opening communicating with the movable cavity c is opened at a left side edge or a right side edge of the door body 21, and the clamping slot b is located at an upper edge or a lower edge of the baffle 22.

Alternatively, as shown in fig. 1 to 5 and 7, the locking member 23 is disengaged from the catching groove b for the convenience of a user to move the barrier 22 to open or close the barrier 22. The clamping groove b is positioned at the left side edge and/or the right side edge of the baffle 22, the upper part of one side of the door body 21 is provided with a guide groove d along the horizontal direction, and the locking piece 23 comprises: the operation member 231, the clamping portion 232 and the first elastic member 233, wherein a part of the operation member 231 is slidably assembled in the guide groove d, and the other part of the operation member 231 is disposed in the movable cavity c. The part of the operating member 231 located in the guide slot d is slightly smaller than the size of the guide slot d, the size of the operating member 231 located in the movable cavity c is larger than the size of the guide slot d, so that the operating member 231 is prevented from being separated from the guide slot d, the clamping part 232 is arranged on the operating member 231, and the clamping part 232 can be inserted into or separated from the clamping slot b. The first elastic member 233 is disposed between the clamping portion 232 and the sidewall of the movable cavity c. The side wall of the clamping part 232 is provided with a mounting groove e, and one end of the first elastic piece 233 is positioned in the mounting groove e. The first elastic member 233 can make the clamping portion 232 plug into the clamping groove b under the driving of its own restoring force. The first elastic member 233 is a spring, a shrapnel or a spring block. In this embodiment, the first elastic member 233 is a spring. In order to limit the direction of the restoring force of the spring, a sliding groove f is provided in the door body 21, a part of the clamping portion 232 is slidably assembled in the sliding groove f, the other part extends out of the sliding groove f, the clamping portion 232 and the operating member 231 are integrally provided, and the first elastic member 233 is located in the sliding groove f. In some embodiments, in order to make it easier for the user to toggle the operation member 231 to slide along the guide slot d, the outer surface of the operation member 231 away from the movable cavity c has a wavy shape or a saw-tooth shape.

Alternatively, as shown in fig. 4 and 5, a first protruding limiting portion 221 is disposed at the lower portion of the baffle 22 and in the movable cavity c, and a second limiting portion 211 capable of abutting against the first limiting portion 221 is disposed at the upper portion of the door 21 on the side wall of the movable cavity c. When the door 22 fully opens the inlet and outlet a, the first limiting portion 221 abuts against the second limiting portion 211, so that the door 22 is prevented from being fully separated from the door body 21 due to the excessive extension of the door 22.

Optionally, a shutter 22 is slid to open or close the access opening a for the convenience of the user. The top of the door body 21 is provided with a through hole communicated with the opening, the top of the baffle 22 is provided with a handle part 222, and the handle part 222 can be limited in the through hole or separated from the through hole. The handle portion 222 is located on the front and/or rear side of the barrier 22. The handle portion 222 is integrally formed with the baffle 22 or fixedly connected by screws, and optionally, the through hole is C-shaped or U-shaped. In order to make it easier for the user to operate the handle portion 222 to slide the barrier 22 up and down along the movable chamber c to open or close the inlet a, the handle portion 222 is provided with anti-slip patterns.

In order to further prevent the baffle 22 from opening the inlet and outlet a, and avoid the baffle 22 from rapidly closing the inlet and outlet a under the action of gravity, the small door 2 further comprises a sliding-stopping structure 4, wherein the sliding-stopping structure 4 is used for increasing the friction between the baffle 22 and the door body 21 or the main door 1. The slip prevention structure 4 is made of a soft rubber material such as silica gel or rubber.

Optionally, the anti-slip structure 4 is a soft adhesive layer which is fixed at the edge of the opening of the door body 21 and/or the edge of the opening of the movable cavity c by injection molding and can be contacted with the baffle 22, so as to increase the friction between the baffle 22 and the railing of the main door 1.

Optionally, the anti-slip structure 4 is fixed on the outer surface of the baffle 22 by injection molding and can be contacted with the edge of the opening of the door body 21 and/or the edge of the opening of the movable cavity c, so as to realize the increase of the friction force between the baffle 22 and the railing of the main door 1.

Optionally, the anti-slip structure 4 is a soft rubber block disposed on the baffle 22 and located in the handle portion 222, where the soft rubber block abuts against the rail of the main door 1, so as to increase the friction between the baffle 22 and the rail of the main door 1.

Optionally, a limiting groove is disposed on an inner sidewall of the handle portion 222, and the limiting groove is located between the baffle 22 and the handle, and the anti-slip structure includes: the soft rubber blocks and the third elastic pieces 41 are arranged, the two soft rubber blocks are assembled in the limiting groove in a sliding mode, the third elastic pieces 41 are arranged in the limiting groove, two ends of the third elastic pieces are respectively abutted to the two soft rubber blocks, one side, away from the third elastic pieces 41, of each soft rubber block can be abutted to the rail body 12 of the main door 1, and therefore friction force between the baffle 22 and the rail of the main door 1 is increased. The third elastic member 41 is a spring, a spring block or a spring sheet, and in this embodiment, the third elastic member 41 is a spring.

In some embodiments, when the access opening a is required to be opened, the user may slide the operation member 231 away from the side of the baffle 22, so that the clamping portion 232 is separated from the clamping groove b under the driving of the operation member 231, so that the operation member 231 compresses the first elastic member 233, and simultaneously, the baffle 22 may be slid upward by the handle portion 222 to open the access opening a, when the baffle 22 completely opens the access opening a, the clamping portion 232 is inserted into the clamping groove b under the baffle 22 under the driving of the restoring force of the first elastic member 233, so that the operation member 231 is reset under the driving of the clamping portion 232, and the baffle 22 is in a state of opening the access opening a, so as to avoid the baffle 22 from moving downward under the action of gravity to close the access opening a. The baffle 22 is reciprocally slid in the up-down direction to open or close the inlet/outlet a, thereby avoiding the occupation of the indoor or outdoor space by the baffle 22 being opened by rotation.

Optionally, as shown in fig. 1-5, in order to facilitate the installation of the door body 21 on the main door 1 and the installation of the structures such as the baffle 22 and the locking member 23, the first door frame 212 and the second door frame 213 are covered and fixed with each other, the first door frame 212 and the second door frame 213 are fixedly connected through screws, the movable cavity c is located between the first door frame 212 and the second door frame 213, and the inlet and the outlet a penetrate through the first door frame 212 and the second door frame 213 to allow animals to get in and get out. An opening is provided at the top of the first door frame 212 and/or the second door frame 213 for the shutter 22 to enter and exit the movable chamber c to thereby open or close the access opening a through the shutter 22.

Alternatively, as shown in fig. 1 and 2, to implement the opening or closing function of the main door 1, the main door 1 includes: the device comprises a bracket 11 and a fence body 12, wherein a passing opening is formed in the bracket 11, and the fence body 12 is connected to the bracket 11 through a hinge 13 and is used for opening or closing the passing opening.

It should be noted that, since the door body 21 includes the first door frame 212 and the second door frame 213 that can be separated from each other, when the door body 21 is installed on the entrance of the door rail, one of the first door frame 212 and the second door frame 213 is first clamped on the door rail near one side of the entrance, then the baffle 22 is placed in the movable cavity c in the door frame to make the clamping portion 232 of the locking member 23 located in the sliding groove f, then the other door frame is installed on the other side of the door rail to make the two door frames mutually cover, and the rail is enclosed in the door body 21 to realize installation, and then the first door frame 212 and the second door frame 213 are fixed by screws.

Alternatively, as shown in fig. 1-5, 8, and 9, to facilitate the attachment or detachment of the rail 12 to the frame 11, the rail 12 is prevented from being opened inadvertently, such as by being blown by wind. Safety door fence with animal small door also includes: the fixed component 3, one part of the fixed component 3 is arranged on one side of the fence 12 far away from the hinge 13, the other part is arranged on the bracket 11, and the fixed component 3 is used for fixing or separating the fence 12 from the bracket 11.

Alternatively, as shown in fig. 8 and 9, to achieve the function of fixing the fixing assembly 3 to enable the fixing between the rail body 12 and the bracket 11, the fixing assembly 3 includes: the first fixing portion 31 and the fixing member 32, the first fixing portion 31 is disposed on the bracket 11, and the fixing groove g is disposed on the first fixing portion 31. The fixing piece 32 is movably assembled on the fence body 12, and the fixing piece 32 can be limited in the fixing groove g or separated from the fixing groove g. In some embodiments, the first fixing portion 31 is integrally formed with the bracket 11. In some embodiments, the first fixing portion 31 is detachably mounted on the bracket 11.

In some embodiments, the securing member 32 comprises: the second fixing portion 321, the pushing member 322, the inserting member 323 and the second elastic member 324, where the second fixing portion 321 is fixedly disposed on the side of the rail body 12 away from the hinge 13. The pushing member 322 is movably mounted on the second fixing portion 321 in a horizontal direction. The plug 323 is located in the pushing piece 322 and can be plugged with the fixing groove g. The second elastic member 324 is disposed in the second fixing portion 321 and located between the plug 323 and the inner sidewall of the second fixing portion 321, and when the hurdle 12 closes the passage, the second elastic member 324 is driven by the restoring force of itself to plug the plug 323 into the fixing groove g. Optionally, the second elastic member 324 is a spring, a shrapnel, or a spring block.

Further, the second fixing portion 321 is fixedly arranged on the fence body 12, a guide rail groove h is formed in the second fixing portion 321, one part of the pushing piece 322 is located in the second fixing portion 321, the other part of the pushing piece 322 is assembled in the guide rail groove h in a sliding mode, one part of the inserting piece 323 is arranged in the pushing piece 322, the other part of the inserting piece 323 extends out of the pushing piece 322, a user can move the pushing piece 322 to the side close to the hinge 13 to enable the inserting piece 323 to be completely contained in the second fixing portion 321, separation of the inserting piece 323 from the fixing groove g is achieved, so that the user can rotate to open a passing hole, when the fence body 12 closes the passing hole, the inserting piece is inserted into the fixing groove g under the driving of the second elastic piece 324, the inserting piece 322 moves to the side close to the support 11, and is reset under the driving of the inserting piece 323, and fixing between the fence body 12 and the support 11 is achieved. In other embodiments, the fixing component 3 is located on the upper side and/or two sides of the rail body 12, one end of the fixing piece 32 close to the hinge 13 is hinged to the top of the rail body 12 through a rotation shaft, when the rail body 12 closes the passing opening, a user can turn over the fixing piece 32, so that one end of the fixing piece 32 far away from the rotation shaft is clamped in the fixing groove g, and fixing between the rail body 12 and the bracket 11 is achieved.

The above description is only for the purpose of illustrating the technical solution of the present utility model and not for the purpose of limiting the same, and other modifications and equivalents thereof by those skilled in the art should be included in the scope of the claims of the present utility model without departing from the spirit and scope of the technical solution of the present utility model.

Claims (8)

1. Safety door rail for driving small object door, comprising a main door (1) and a small door (2), characterized in that the small door (2) comprises: the door comprises a door body (21), a baffle plate (22) and a locking piece (23), wherein the door body (21) is fixedly arranged at the lower part of the main door (1), and the door body (21) is provided with an inlet and an outlet (a);

The baffle plate (22) is arranged on the door body (21) in a sliding mode and is used for opening or closing the inlet and outlet (a), and at least two clamping grooves (b) are formed in the baffle plate (22) at intervals along the sliding direction of the baffle plate (22);

The locking piece (23) is arranged on the door body (21) in a sliding mode, and the locking piece (23) can be clamped with the clamping groove (b) or separated from the clamping groove (b);

A movable cavity (c) for the baffle plate (22) to slide up and down is arranged in the door body (21), and an opening which is communicated with the movable cavity (c) and is used for the baffle plate (22) to extend out of the door body (21) so as to open the inlet and the outlet (a) is formed in the top of the door body (21);

The small door (2) further comprises a slip-resistant structure (4) for increasing the friction between the baffle (22) and the door body (21) or the main door (1).

2. The safety door rail of the small door with the object according to claim 1, wherein a through hole communicated with the opening is arranged at the top of the door body (21), a handle part (222) is arranged at the top of the baffle plate (22), and the handle part (222) can be limited in the through hole or separated from the through hole;

The handle portion (222) is provided with a limiting groove on the inner side wall, the limiting groove is positioned between the baffle (22) and the handle, and the anti-slip structure (4) comprises: the device comprises two soft rubber blocks and a third elastic piece (41), wherein the two soft rubber blocks are slidably assembled in the limiting groove; the third elastic piece (41) is arranged in the limiting groove, and two ends of the third elastic piece are respectively abutted with the two soft rubber blocks so as to push the two soft rubber blocks to be respectively abutted with the railing of the main door (1).

3. The safety door rail for carrying small objects according to claim 1, wherein the baffle plate (22) is slidably arranged on the door body (21) along a vertical direction, and the locking piece (23) is slidably arranged on the door body (21) along a horizontal direction.

4. Safety door rail for carrying objects according to claim 1, characterized in that the clamping groove (b) is located at the left side edge and/or the right side edge of the baffle (22), the upper part of one side of the door body (21) is provided with a guiding groove (d) along the horizontal direction, and the locking piece (23) comprises: an operation member (231), a clamping part (232) and a first elastic member (233), wherein one part of the operation member (231) is slidably assembled in the guide groove (d), and the other part of the operation member is arranged in the movable cavity (c);

The clamping part (232) is arranged on the operating piece (231), and the clamping part (232) can be inserted into the clamping groove (b) or separated from the clamping groove (b);

The first elastic piece (233) is arranged between the clamping part (232) and the side wall of the movable cavity (c).

5. The safety door rail for the small door with the driven object according to claim 1, wherein a first protruding limiting part (221) is arranged at the lower part of the baffle plate (22) and positioned in the movable cavity (c), and a second limiting part (211) which can be propped against the first limiting part (221) is arranged on the side wall of the movable cavity (c) at the upper part of the door body (21).

6. Safety door rail with small object door according to claim 1, characterized in that the main door (1) comprises: the device comprises a bracket (11), a fence body (12) and a fixing component (3), wherein a passing port is arranged on the bracket (11); the fence body (12) is connected to the bracket (11) through a hinge (13) and is used for opening or closing the passing opening; the fixing component (3) is partially arranged on one side, far away from the hinge (13), of the fence body (12), and the other part of the fixing component is arranged on the support (11), and the fixing component (3) is used for fixing or separating the fence body (12) from the support (11).

7. Safety door rail with object small door according to claim 6, characterized in that the fixing assembly (3) comprises: a first fixing part (31) and a fixing piece (32), wherein the first fixing part (31) is arranged on the bracket (11), and a fixing groove (g) is arranged on the first fixing part (31); the fixing piece (32) is movably assembled on the fence body (12), and the fixing piece (32) can be limited in the fixing groove (g) or separated from the fixing groove (g).

8. The safety door rail for carrying objects as claimed in claim 7, wherein the fixing member (32) comprises: the second fixing part (321), the pushing piece (322), the plug connector (323) and the second elastic piece (324), wherein the second fixing part (321) is fixedly arranged on one side, far away from the hinge (13), of the fence body (12);

the pushing piece (322) is movably assembled on the second fixing part (321) along the horizontal direction;

The plug connector (323) is positioned in the pushing piece (322) and can be plugged with the fixing groove (g);

The second elastic piece (324) is arranged in the second fixing portion (321) and located between the plug-in piece (323) and the inner side wall of the second fixing portion (321), and when the fence body (12) closes the passing opening, the plug-in piece (323) is plugged into the fixing groove (g) under the driving of self restoring force of the second elastic piece (324).