Penetrating type pet door
By designing the front and rear door structures and controlling the rotation angle of the soft PVC door curtain, the problems of conventional pet doors occupying space and obstructing entry and exit have been solved, thus improving the convenience of pet doors and the efficiency of space utilization, while also providing heat preservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- HEFEI HUIWO DIGITAL CONTROL EQUIP CO LTD
- Filing Date
- 2025-05-12
- Publication Date
- 2026-05-19
AI Technical Summary
Conventional pet doors often take up space when opened, and the door curtains do not have a rotating function, which obstructs pets from entering and exiting.
Design an entry-level pet door with a front and rear door structure. The front door is fitted with a rotatable soft PVC curtain, allowing the pet to enter and exit by rotating the front door. The rear door is a vertically movable sheet metal door used to control the pet's entry and exit, and the curtain is sealed and fixed by a door lock and magnetic connection.
It facilitates pet access and makes full use of space, reduces the curvature of the curtain, increases its service life, and provides insulation when the curtain is closed.
Smart Images

Figure CN224260231U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of pet door technology, specifically an entry-type pet door. Background Technology
[0002] A pet door is a door specifically designed for pets, allowing them free access to indoor and outdoor spaces or different areas. Pet doors are typically made of lightweight materials such as plastic, metal, or wood, allowing pets to enter and exit independently without human intervention. These doors are widely used in doghouses, balconies, and yards. Pet doors are a convenient and practical feature that improves a pet's quality of life and provides convenience for owners. When purchasing and installing a pet door, the pet's characteristics and home environment should be considered to ensure its functionality, safety, and aesthetics.
[0003] Pet doors are typically designed to facilitate pets' entry and exit. A standard pet door consists of a frame and a regular door panel, with an additional curtain installed. However, the regular door panel takes up a lot of space when opened, and the curtain does not have a rotating function, which can obstruct pets' entry and exit. Therefore, a pet door with a rotating curtain that makes full use of space can be designed to solve these problems. Utility Model Content
[0004] (a) Technical problems to be solved
[0005] To address the shortcomings of existing technologies, this utility model provides an entry-level pet door that features a rotating curtain and efficient use of space. It solves the problems of conventional door panels taking up space when opened and conventional curtains not having a rotating function, which can obstruct pets from entering and exiting.
[0006] (II) Technical Solution
[0007] To achieve the aforementioned goals of rotating door curtains and maximizing space utilization, this utility model provides the following technical solution: an entry-type pet door, comprising a front door and a rear door installed on one side of the front door, wherein a slidably connected sheet metal door is installed on the front side of the front door, a door curtain is installed inside the front door, and the upper end of the door curtain is rotatably connected to the inner wall of the front door, and a door lock is installed on the upper right corner of the front side of the front door, and the door lock is connected to the front side of the sheet metal door. The entire unit mainly consists of two parts: a front door and a rear door. The front door is installed on one side of the interior / exterior door, and the rear door is installed on the other side. By opening a doorway of the appropriate size in the door, a pet door device is installed on the inside and outside of the door, facilitating pets' entry and exit. This device is widely versatile, suitable for various door sizes with a thickness between 2.7 and 5.1 cm. The door curtain is made of soft PVC and can be rotated at a certain angle to fix it on the front door, making it easier and more convenient for pets to enter and exit. At the same time, it can reduce the curvature of the door curtain and improve its service life during long-term opening and closing. The sheet metal door moves vertically, which not only allows pets to enter and exit freely but also reduces space occupation. Rotating and pulling out the door lock pin can open the door lock, lift the sheet metal door and fix it to the door lock, allowing pets to enter and exit freely. Rotating and pulling out the door lock again can lower the sheet metal door and fix it inside the frame, preventing pets from entering or exiting.
[0008] Preferably, a profile frame is fixedly installed on the inner wall of the front door, and the door curtain is installed on the inner wall of the profile frame. The upper end of the door curtain is rotatably connected to the inner wall of the upper end of the profile frame. The profile frame is the mounting support for the entire front door, and the door curtain is a soft PVC door curtain, which is fixedly hung on the profile frame. The door curtain can be rotated at a certain angle to facilitate pets to enter and exit more easily.
[0009] Preferably, sealing strips are installed on both sides of the door curtain, and the sealing strips are set on the inner wall of the profile frame. The sealing strips achieve a seal between the door curtain and the profile frame when the door curtain is closed, reducing the convection of hot and cold air into the indoor environment and playing a certain role in heat preservation.
[0010] Preferably, an attractive magnet is fixedly installed at the lower end of the curtain, and an attractive magnet is also installed at the bottom inside the frame. The two attractive magnets are magnetically connected. The attractive magnets are used to seal the curtain and the frame, reduce air convection, and prevent hot and cold air from entering the indoor environment. Part of the attractive magnet is fixed at the lower end of the curtain, and part is fixed inside the frame and can move freely. When the curtain is in a natural vertical downward state, the part of the attractive magnet fixed in the frame moves upward under the action of magnetic force and attracts the magnet fixed at the lower end of the curtain, thereby achieving a seal at the lower end of the curtain and the frame. The magnetic connection allows pets, from puppies to adult pets, to be separated normally.
[0011] Preferably, a rotating bracket is installed at the upper end inside the profile frame, and the upper end of the door curtain is fixedly connected to the rotating bracket. The rotating bracket passes through the mounting slot of the profile frame and can rotate 60° forward and backward inside the slot of the profile frame. The door curtain is fixed on the rotating bracket, and when a pet enters or exits, it rotates together with the rotating bracket and its own soft deformation warps to allow the pet to enter or exit.
[0012] Preferably, a front and rear clamping plate is fixedly installed on one side of the rotating bracket, and the upper end of the door curtain is fixedly installed on the inner wall of the front and rear clamping plate. The front and rear clamping plates are the front and rear clamping mechanisms for fixing the door curtain, and play a clamping and fixing role.
[0013] (III) Beneficial Effects
[0014] Compared with the prior art, this utility model provides an entry-type pet door with the following beneficial effects: This entry-type pet door has a front door installed on one side of the indoor and outdoor door body, and a rear door installed on the other side of the indoor and outdoor door body. Then, a door opening of the appropriate size is made in the door, and the curtain is installed on the inner and outer sides of the door body. The curtain can be rotated at a certain angle by fixing it to the front door, making it easier and more convenient for pets to enter and exit. At the same time, the curvature of the curtain can be reduced. The door lock can be opened by rotating and pulling out the door lock pin. The sheet metal door can be lifted and fixed to the door lock, allowing pets to enter and exit freely. The door lock can be lowered and fixed inside the profile frame by rotating and pulling out the door lock again, thus preventing pets from entering and exiting. This achieves the effect of rotating the curtain and making full use of space. Attached Figure Description
[0015] Figure 1 This is the main view of the structure of this utility model;
[0016] Figure 2 This is an exploded isometric view of the present invention.
[0017] Figure 3 This is a side view structural diagram of the door curtain of this utility model.
[0018] In the diagram: 1. Front door; 2. Rear door; 3. Sheet metal door; 4. Door lock; 5. Sealing strip; 6. Door curtain; 7. Profile frame; 8. Attracting magnet; 9. Rotating bracket; 10. Front and rear clamping plates. Detailed Implementation
[0019] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0020] Example: Please refer to Figure 1-3 An entry-type pet door includes a front door 1 and a rear door 2 installed on one side of the front door 1. A sheet metal door 3 with a sliding connection is installed on the front side of the front door 1. A door curtain 6 is installed inside the front door 1, and the upper end of the door curtain 6 is rotatably connected to the inner wall of the front door 1. A door lock 4 is installed on the upper right corner of the front side of the front door 1, and the door lock 4 is connected to the front side of the sheet metal door 3.
[0021] The entire unit mainly consists of two parts: a front door 1 and a rear door 2. The front door 1 is installed on one side of the indoor and outdoor door body, and the rear door 2 is installed on the other side. By opening a doorway of the appropriate size on the door, a pet door device is installed on the inner and outer sides of the door body to facilitate pets' entry and exit. This device is widely applicable, and the front and rear doors are suitable for installation and use on various door specifications with a door thickness between 2.7 and 5.1 cm. The door curtain 6 is a soft PVC door curtain 6. The door curtain 6 can be rotated at a certain angle when fixed on the front door 1, making it easier and more convenient for pets to enter and exit. At the same time, it can reduce the curvature of the door curtain 6 and improve its service life during long-term opening and closing. The sheet metal door 3 moves vertically, which not only allows pets to enter and exit freely but also reduces the space occupied. Rotating and pulling out the lock pin of the door lock 4 can open the door lock 4, lift the sheet metal door 3 and fix it on the door lock 4, allowing pets to enter and exit freely. Rotating and pulling out the door lock 4 again can lower the sheet metal door 3 and fix it inside the profile frame 7 to prevent pets from entering and exiting.
[0022] A profile frame 7 is fixedly installed on the inner wall of the front door 1, and the door curtain 6 is installed on the inner wall of the profile frame 7. The upper end of the door curtain 6 is rotatably connected to the inner wall of the upper end of the profile frame 7.
[0023] Among them, the profile frame 7 is the installation support for the entire front door 1, and the door curtain 6 is a soft PVC door curtain that is fixedly hung on the profile frame 7. The door curtain 6 can be rotated at a certain angle on the profile frame 7 to make it easier for pets to enter and exit.
[0024] Sealing strips 5 are installed on both sides of the door curtain 6, and the sealing strips 5 are set on the inner wall of the profile frame 7.
[0025] Among them, the sealing strip 5 is used to seal the door curtain 6 and the profile frame 7 when the door curtain 6 is closed, reducing the convection of hot and cold air into the indoor environment and playing a certain role in heat preservation of the indoor environment.
[0026] A magnet 8 is fixedly installed at the lower end of the curtain 6, and a magnet 8 is also installed at the bottom inside the frame 7. The two magnets 8 are magnetically connected.
[0027] The magnetic magnet 8 is used to seal the curtain 6 and the frame 7, reducing air convection and preventing hot and cold air from entering the indoor environment. Part of the magnetic magnet 8 is fixed to the lower end of the curtain 6, and part of it is fixed inside the frame 7 and can move freely. When the curtain 6 is in a natural vertical downward state, the part of the magnetic magnet 8 fixed in the frame 7 moves upward under the action of magnetic force and attracts the magnetic magnet fixed at the lower end of the curtain 6, thereby achieving the sealing effect of the lower part between the curtain 6 and the frame 7. The magnetic connection between them allows pets to be separated normally, from small puppies to adult pets.
[0028] A rotating bracket 9 is installed at the upper end inside the profile frame 7, and the upper end of the door curtain 6 is fixedly connected to the rotating bracket 9.
[0029] The rotating bracket 9 runs through the mounting slot of the profile frame 7 and can rotate 60° forward and backward inside the slot of the profile frame 7. The door curtain 6 is fixed on the rotating bracket 9. When the pet enters or exits, it rotates together with the rotating bracket 9 and its own soft deformation warps to allow the pet to enter or exit.
[0030] A front and rear clamping plate 10 is fixedly installed on one side of the rotating bracket 9, and the upper end of the curtain 6 is fixedly installed on the inner wall of the front and rear clamping plate 10.
[0031] Among them, the front and rear clamping plates 10 are the front and rear clamping mechanisms for fixing the door curtain 6, and play a clamping and fixing role.
[0032] Working principle: The front door 1 is mainly composed of sheet metal door 3, door lock 4, side sealing strips 5, door curtain 6, profile frame 7, and upper and lower magnetic magnets 8. The profile frame 7 is the mounting support for the entire front door 1. The door curtain 6 is a soft PVC door curtain 6, which is fixedly hung on the profile frame 7. The door curtain 6 can rotate a certain angle on the profile frame 7, making it easier and more convenient for pets to enter and exit. At the same time, it can reduce the curvature of the door curtain 6 and improve its service life during long-term opening and closing. The sealing strip 5 seals the door curtain 6 and the frame 7 when the door curtain 6 is closed, reducing the convection of hot and cold air into the indoor environment and playing a certain role in heat preservation. The magnetic magnets 8 are used to seal the door curtain 6 and the profile frame 7 to reduce air convection and prevent hot and cold air from entering the indoor environment.
[0033] Rotating and pulling out the locking pin of door lock 4 opens door lock 4, lifting the sheet metal door 3 and fixing it to door lock 4, allowing pets to enter and exit freely. Rotating and pulling out door lock 4 again lowers the sheet metal door 3 and fixes it inside 7, preventing pets from entering or exiting. The rear door 2 can also be equipped with sheet metal door 3, door lock 4, sealing strip 5, door curtain 6, profile frame 7, and upper and lower magnetic magnets 8. With these additional configurations, both the front and rear doors can control pets' entry and exit. At the same time, the door's sealing performance is improved after adding these configurations, which can effectively reduce air convection between the inside and outside of the door, preventing cold air from entering the room in winter and hot air from entering the room in summer, making the indoor environment more pleasant and making it easier for pets to enter and exit.
[0034] The rotating bracket 9 runs through the mounting slot of the profile frame 7, allowing it to rotate 60° forward and backward within the slot. The curtain 6 is fixed to the rotating bracket 9, and when a pet enters or exits, it rotates together with the rotating bracket 9 and undergoes soft deformation and warping to allow the pet to enter or exit. The front and rear clamping plates 10 are used to fix the curtain 6, providing clamping and fixing. Part of the attracting magnet 8 is fixed to the lower end of 6, and part is fixed inside the frame 7 and moves freely. When the curtain 6 is in a natural vertical downward state, the part of 8 fixed in the wire frame 7 moves upward under the action of magnetic force and attracts the magnet fixed to the lower end of the curtain 6, thereby achieving a sealing effect between the lower part of the curtain 6 and the profile frame 7.
[0035] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.
Claims
1. An entry-type pet door, characterized in that: Includes a front door (1) and a rear door (2) installed on one side of the front door (1), and a sliding sheet metal door (3) is installed on the front side of the front door (1). A door curtain (6) is installed inside the front door (1), and the upper end of the door curtain (6) is rotatably connected to the inner wall of the front door (1). A door lock (4) is installed on the upper right corner of the front side of the front door (1), and the door lock (4) is connected to the front side of the sheet metal door (3).
2. The entry-type pet door according to claim 1, characterized in that: The inner wall of the front door (1) is fixedly installed with a profile frame (7), and the door curtain (6) is installed on the inner wall of the profile frame (7). The upper end of the door curtain (6) is rotatably connected to the inner wall of the upper end of the profile frame (7).
3. The entry-type pet door according to claim 2, characterized in that: Sealing strips (5) are installed on both sides of the door curtain (6), and the sealing strips (5) are set on the inner wall of the profile frame (7).
4. The entry-type pet door according to claim 3, characterized in that: The lower end of the curtain (6) is fixedly installed with a magnet (8), and the bottom of the profile frame (7) is also installed with a magnet (8), and the two magnets (8) are magnetically connected.
5. The entry-type pet gate according to claim 2, characterized in that: The upper end of the profile frame (7) is equipped with a rotating bracket (9), and the upper end of the curtain (6) is fixedly connected to the rotating bracket (9).
6. The entry-type pet door according to claim 5, characterized in that: The rotating bracket (9) is fixedly installed with front and rear clamping plates (10) on one side, and the upper end of the curtain (6) is fixedly installed on the inner wall of the front and rear clamping plates (10).