Door lock for pet cage

By designing a simple door lock structure on the pet cage, the combination of hinges and limit column lock tongues solves the cumbersome problem of using existing pet cage door locks, convenient opening and closing operations are achieved, and user experience is improved.

CN222976601UActive Publication Date: 2025-06-13ZHOUSHAN ZHICHUANG TECH DEV CO LTD
View PDF 0 Cites 0 Cited by

Patent Information

Application Number
CN202421739967.7
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-22
Publication Date
2025-06-13
Estimated Expiration
2034-07-22

AI Technical Summary

Technical Problem

The existing pet cage door locks are complex in design and cumbersome in use, which makes it inconvenient for users to open the door lock.

Method used

A door lock for pet cage is designed, and the door lock is opened and closed through the hinged structure between the door body and the cage body, the coordination of the limiting column and the locking tongue. The user only needs to lift the lock body and unlock the limit of the lock tongue to the limit column, so that the door body can be opened freely.

Benefits of technology

It realizes convenient opening and closing of door locks, saves user operation time and improves user experience.

✦ Generated by Eureka AI based on patent content.

Smart Images

  • Figure CN222976601U_ABST
    Figure CN222976601U_ABST
Patent Text Reader

Abstract

The utility model discloses a door lock for a pet cage, which relates to the technical field of pet supplies, and is characterized in that the pet cage comprises a cage body and a door body, the cage body is provided with an opening, the door body is provided with a free end and a connecting end, the connecting end of the door body is hinged with the cage body, the door body can cover the opening, and a limiting column is fixed at the free end of the door body. The door lock comprises a fixing seat and a lock body, the fixing seat is fixed to the opening and provided with a limiting groove allowing the limiting column to enter, the lock body is hinged to the fixing seat, the side edge of the lock body is provided with a positioning part abutting against the upper end of the fixing seat, the lower end of the lock body is provided with a spring bolt capable of stretching into the limiting groove, and the outer side of the spring bolt is provided with a guide arc face. And the inner side of the spring bolt can limit the limiting column. The opening and closing mode of the door lock is simple, time is saved, and therefore the purpose that the door lock is convenient to use is achieved.
Need to check novelty before this filing date? Find Prior Art

Description

Technical Field

[0001] The utility model relates to the technical field of pet supplies, in particular to a door lock for a pet cage. Background Art

[0002] With the improvement of people's economic level, more and more people like to raise pets, such as animals like cats, dogs and rabbits. Therefore, it has driven the development of the pet supplies industry, among which there is the pet cage industry for pets to rest or be isolated.

[0003] To prevent pets from slipping out of the pet cage, a door lock is generally installed on the pet cage. In order to ensure the air permeability of the pet cage itself, most of the pet cages are made of iron cages. In order to prevent pets from opening the door lock from inside the pet cage, the design of some door locks is relatively complicated, resulting in a cumbersome way for users to open the door lock, which brings inconvenience to users. Content of the Utility Model

[0004] Aiming at the deficiencies of the prior art, the purpose of the utility model is to provide a door lock for a pet cage, which has the advantage of convenient use.

[0005] The above technical purpose of the utility model is achieved through the following technical solutions: A door lock for a pet cage, the pet cage includes a cage body and a door body. The cage body has an opening. The door body has a free end and a connecting end. The connecting end of the door body is hinged to the cage body, and the door body can cover the opening. A limiting column is fixed at the free end of the door body. The door lock includes a fixed seat and a lock body. The fixed seat is fixed at the opening. The fixed seat has a limiting groove for the limiting column to enter. The lock body is hinged to the fixed seat. A positioning part that abuts against the upper end of the fixed seat is arranged on the side of the lock body. And a lock tongue that can extend into the limiting groove is arranged at the lower end of the lock body. A guiding arc surface is arranged on the outer side of the lock tongue, and the inner side of the lock tongue can limit the limiting column.

[0006] Through the above technical solutions, the door body is hinged to the cage body, so that the door body can rotate around the opening of the cage body. When the door body rotates to cover the opening of the cage body, the door body is in a closed state; during the process of closing the door body, the limiting column rotates synchronously with the door body. After the limiting column contacts the guiding arc surface on the outer side of the lock tongue, the rotating limiting column pushes the lock tongue and the whole lock body to turn downwards, so that the lock tongue moves upwards away from the limiting groove. After the limiting column smoothly enters the limiting groove, the lock body falls back to its original position under its own gravity. At this time, the limiting column is limited by the inner side of the lock tongue and the limiting groove together; when the user opens this door lock, only need to lift the lock body upwards, so as to release the limitation of the lock tongue on the limiting column, and the door body can be freely opened; the opening and closing method of this door lock is relatively simple and time-saving, thus achieving the purpose of convenient use of this door lock.

[0007] Preferably, a relief hole communicating with the limiting groove is formed in the fixed seat, and a hinge hole is formed in a side of the fixed seat close to the cage body. A hinge bolt is detachably connected in the hinge hole.

[0008] Through the above technical solution, the arrangement of the relief hole facilitates the installation of the lock body on the hinge bolt.

[0009] Preferably, the limiting post includes a fixing portion and a limiting portion. The fixing portion is fixedly connected to the free end of the door body, and the limiting portion is used for extending into the limiting groove.

[0010] Through the above technical solution, the limiting post is fixed to the door body through the fixing portion, and the limiting portion is used for extending into the limiting groove. After the lock tongue limits the limiting post, the door body can be indirectly limited to realize the locking of the door body.

[0011] Preferably, the lock body includes a hinge portion and a movable portion. The hinge portion is hinged to the hinge bolt. The positioning portion is arranged on a side of the movable portion. The lock tongue is located on the lower end face of the movable portion, and the lock tongue can extend into the relief hole.

[0012] Through the above technical solution, the user can drive the lock body to rotate around the hinge bolt by holding the free end, so that the lock tongue moves upward away from the limiting post, thereby releasing the limitation of the lock tongue on the limiting post. The positioning portion ensures the relative position of the lock body on the fixed seat, so that the lock body will not continue to turn downward.

[0013] Preferably, a relief gap is provided between the hinge portion and the cage body.

[0014] Through the above technical solution, the arrangement of the relief gap enables the lock body not to be affected by the cage body during the rotation process.

[0015] Preferably, a first installation groove is formed in the lower end face of the positioning portion, and a first magnetic block is arranged in the first installation groove; a second installation groove corresponding to the first installation groove is formed in the upper end face of the fixed seat, and a second magnetic block is arranged in the second installation groove. The magnetic force between the second magnetic block and the first magnetic block is an attractive force.

[0016] Through the above technical solution, the setting of the first magnetic block and the second magnetic block further increases the reset speed of the lock body; at the same time, the positioning portion can be more stably pressed against the upper end face of the fixed seat, thereby ensuring the limiting effect of the lock tongue on the limiting post.

[0017] Preferably, a third installation groove is formed in the lower end face of the positioning portion, and a third magnetic block is arranged in the third installation groove; the fixed seat is made of a metal material capable of being attracted by a magnet.

[0018] Through the above technical solution, the third magnetic block can be adsorbed on the upper end face of the fixed seat, thereby ensuring the limiting effect of the lock tongue on the limiting post.

[0019] Preferably, an installation groove four is formed in the lower end surface of the positioning portion, and a counterweight is arranged in the installation groove four.

[0020] Through the above technical solution, the arrangement of the counterweight accelerates the reset speed of the lock body and also increases the positioning portion on the lock body to be able to press tightly on the upper end surface of the fixed seat, thereby ensuring the limiting effect of the lock tongue on the limiting column. Description of the Drawings

[0021] Figure 1 It is a schematic diagram of the external structure of the cage body in the first embodiment;

[0022] Figure 2 It is a schematic diagram of the external structure of the cage body in the first embodiment (the door body is in the open state);

[0023] Figure 3 It is Figure 2 The enlarged view of part A in

[0024] Figure 4 It is a schematic diagram of the exploded structure of the first embodiment;

[0025] Figure 5 It is Figure 4 The schematic diagram of the other side structure of

[0026] Figure 6 It is a schematic diagram of the open state of the lock body in the first embodiment;

[0027] Figure 7 It is a schematic diagram of the closed state of the lock body in the first embodiment;

[0028] Figure 8 It is a schematic diagram of the external structure of the lock body in the second embodiment;

[0029] Figure 9 It is a schematic diagram of the assembled structure of the second embodiment;

[0030] Figure 10 It is a schematic diagram of the external structure of the lock body in the third embodiment;

[0031] Figure 11 It is a schematic diagram of the assembled structure of the third embodiment.

[0032] Reference numerals: 100, cage body; 110, opening;

[0033] 200, door body; 210, free end; 220, connection end;

[0034] 300, limiting column; 310, fixing portion; 320, limiting portion;

[0035] 400, Fixed seat; 410, Limiting groove; 420, Relief hole; 430, Hinge hole; 431, Hinge bolt; 440, Second installation groove; 441, Second magnet block;

[0036] 500, Lock body; 510, Hinge part; 520, Movable part; 521, Positioning part; 5211, First installation groove; 5212, First magnet block; 5213, Third installation groove; 5214, Third magnet block; 5215, Fourth installation groove; 5216, Counterweight block; 522, Lock tongue; 5221, Guide arc surface;

[0037] 600, Relief gap. Detailed implementation mode

[0038] In the description of the present utility model, it should be noted that the orientation or positional relationship indicated by the terms "upper", "lower", "inner", "outer", etc. is based on the orientation or positional relationship shown in the drawings. It is only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying 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 a limitation to the present utility model.

[0039] The present utility model will be further described in detail below with reference to the accompanying drawings.

[0040] Embodiment 1:

[0041] A door lock for a pet cage, as Figures 1 to 7 shown, the pet cage includes a cage body 100 and a door body 200. The cage body 100 has an opening 110, the door body 200 has a free end 210 and a connection end 220. The connection end 220 of the door body 200 is hinged to the cage body 100, and the door body 200 can cover the opening 110;

[0042] A limiting post 300 is fixed to the free end 210 of the door body 200. The door lock includes a fixed seat 400 and a lock body 500. The fixed seat 400 is welded or bolt-fixed at the opening 110. The fixed seat 400 has a limiting groove 410 for the limiting post 300 to enter. The lock body 500 is hinged to the fixed seat 400. A positioning part 521 that abuts against the upper end of the fixed seat 400 is provided on the side of the lock body 500. And a lock tongue 522 that can extend into the limiting groove 410 is provided at the lower end of the lock body 500. A guide arc surface 5221 is provided on the outer side of the lock tongue 522, and the inner side of the lock tongue 522 can limit the limiting post 300.

[0043] Specifically, a relief hole 420 communicating with the limiting groove 410 is opened on the fixed seat 400. A hinge hole 430 is opened on the side of the fixed seat 400 close to the cage body 100, and a hinge bolt 431 is detachably connected in the hinge hole 430.

[0044] The limiting column 300 includes a fixing portion 310 and a limiting portion 320 . The fixing portion 310 is fixed to the free end 210 of the door body 200 by welding, and the limiting portion 320 is used to extend into the limiting groove 410 .

[0045] The lock body 500 includes a hinged portion 510 and a movable portion 520 . The hinged portion 510 is hinged to the hinge bolt 431 . The positioning portion 521 is arranged on the side of the movable portion 520 . The locking tongue 522 is located on the lower end surface of the movable portion 520 , and the locking tongue 522 can extend into the clearance hole 420 .

[0046] like Figure 3 As shown, there is a clearance gap 600 between the hinge portion 510 and the cage body 100 .

[0047] The lower end surface of the positioning portion 521 is provided with an installation groove 5211, and a magnetic block 5212 is bonded to the installation groove 5211 by glue; the upper end surface of the fixing seat 400 is provided with an installation groove 440 corresponding to the installation groove 5211, and a magnetic block 441 is bonded to the installation groove 440 by glue, and the magnetic force between the magnetic block 441 and the magnetic block 5212 is a magnetic attraction force.

[0048] The working principle of a door lock for a pet cage:

[0049] The door body 200 is hinged to the cage body 100, so that the door body 200 can rotate around the opening 110 of the cage body 100. When the door body 200 rotates to cover the opening 110 of the cage body 100, the door body 200 is in a closed state;

[0050] When the locking cam 522 is in the closed position, the locking cam 522 is in the closed position, and ...

[0051] When the user wants to open the door body 200, he only needs to hold the movable part 520 of the lock body 500 and lift it upwards, thereby releasing the limit of the lock tongue 522 on the limit column 300, and the door body 200 can be opened freely. Release the movable part 520 of the lock body 500, the lock body 500 is reset, and the lower end surface of the positioning part 521 is again pressed against the upper end surface of the fixing seat 400.

[0052] The opening and closing mode of this door lock is relatively simple and time-saving, thus achieving the purpose of convenient use of this door lock.

[0053] Embodiment 2:

[0054] The difference between Embodiment 2 and Embodiment 1 is that as Figures 8 to 9 shown, an installation groove three 5213 is formed on the lower end surface of the positioning portion 521, and a magnet three 5214 is adhered in the installation groove three 5213; the material of the fixed seat 400 includes a metal material that can be attracted by a magnet, such as a metal with elements such as iron, nickel, and cobalt.

[0055] Embodiment 3:

[0056] The difference between Embodiment 3 and Embodiment 1 is that as Figures 10 to 11 shown, an installation groove four 5215 is formed on the lower end surface of the positioning portion 521, and a counterweight 5216 with a relatively large density is adhered or welded in the installation groove four 5215. The material of the counterweight 5216 is a metal material, and the lower end surface of the counterweight 5216 can abut against the upper end surface of the fixed seat 400.

[0057] The above is only an exemplary implementation mode of the present invention, rather than being used to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

Claims

1. A door lock for a pet cage, the pet cage comprising a cage body (100) and a door body (200), the cage body (100) having an opening (110), the door body (200) having a free end (210) and a connecting end (220), the connecting end (220) of the door body (200) being hinged to the cage body (100), and the door body (200) being capable of covering the opening (110), characterized in that: The free end (210) of the door body (200) is fixed with a limiting column (300), and the door lock comprises a fixing seat (400) and a lock body (500), wherein the fixing seat (400) is fixed at the opening (110), and the fixing seat (400) is provided with a limiting groove (410) for the limiting column (300) to enter, and the lock body (500) is hinged on the fixing seat (400), and the side of the lock body (500) is provided with a positioning portion (521) pressed against the upper end of the fixing seat (400), and the lower end of the lock body (500) is provided with a locking tongue (522) capable of extending into the limiting groove (410), and the outer side of the locking tongue (522) is provided with a guiding arc surface (5221), and the inner side of the locking tongue (522) can limit the limiting column (300).

2. The door lock for a pet cage according to claim 1, characterized in that: The fixing seat (400) is provided with a clearance hole (420) connected to the limiting groove (410), and the fixing seat (400) is provided with a hinge hole (430) on the side close to the cage body (100), and a hinge bolt (431) is detachably connected in the hinge hole (430).

3. The door lock for a pet cage according to claim 1, characterized in that: The limiting column (300) comprises a fixing portion (310) and a limiting portion (320), wherein the fixing portion (310) is fixedly connected to the free end (210) of the door body (200), and the limiting portion (320) is used to extend into the limiting groove (410).

4. The door lock for a pet cage according to claim 2, characterized in that: The lock body (500) comprises a hinged portion (510) and a movable portion (520), the hinged portion (510) being hinged to the hinge bolt (431), the positioning portion (521) being arranged on the side of the movable portion (520), the locking tongue (522) being located on the lower end surface of the movable portion (520), and the locking tongue (522) being able to extend into the clearance hole (420).

5. The door lock for a pet cage according to claim 4, characterized in that: A clearance gap (600) is provided between the hinge portion (510) and the cage body (100).

6. The door lock for a pet cage according to claim 4, characterized in that: The lower end surface of the positioning portion (521) is provided with an installation groove 1 (5211), and a magnetic block 1 (5212) is arranged in the installation groove 1 (5211); the upper end surface of the fixing seat (400) is provided with an installation groove 2 (440) corresponding to the installation groove 1 (5211), and a magnetic block 2 (441) is arranged in the installation groove 2 (440), and the magnetic force between the magnetic block 2 (441) and the magnetic block 1 (5212) is an attractive force.

7. The door lock for a pet cage according to claim 4, characterized in that: The lower end surface of the positioning portion (521) is provided with a third installation groove (5213), and a third magnetic block (5214) is arranged in the third installation groove (5213); the material of the fixing seat (400) includes a metal material that can be attracted to a magnet.

8. The door lock for a pet cage according to claim 4, characterized in that: The lower end surface of the positioning portion (521) is provided with a mounting groove four (5215), and a counterweight block (5216) is arranged in the mounting groove four (5215).