Ceiling-mounted fire extinguishing device

Abstract

The utility model relates to the technical field of fire extinguishing devices, in particular to a ceiling-mounted fire extinguishing device which comprises a shell, an inner cylinder is integrally formed on the inner side of the shell, a mounting disc is mounted at the bottom end of the inner side of the inner cylinder, and a connector is mounted at the top end of the shell; a mounting structure is mounted on the shell and comprises a spring, the spring is arranged on the outer side of the shell in a sleeving mode, the top end of the spring is fixedly connected with an abutting ring, an inner threaded barrel is movably mounted between the shell and the inner barrel through a bearing, and a rotating disc is inserted into the bottom face of the inner threaded barrel; an external threaded rod is movably connected to the interior of the top face of the internal threaded cylinder through threads, and a top ring is fixedly connected to the top end of the external threaded rod. The shell is installed in the preformed hole of the ceiling, the abutting ring and the arc-shaped pressing block can abut against the upper face and the lower face of the preformed hole respectively, the inner cylinder can be fixed to the ceiling, the structure is simple, and installation and operation are convenient, fast and labor-saving.

Description

Technical Field

[0001] This utility model relates to the field of fire extinguishing device technology, specifically a ceiling-mounted fire extinguishing device. Background Technology

[0002] Firefighting equipment refers to equipment used for fire extinguishing, fire prevention, and fire accidents. Most fire extinguishing devices nowadays are ceiling-mounted and installed on the ceiling.

[0003] In response, Chinese patent application number CN202020313879.6 discloses a ceiling-mounted speaker that is easy to install. The speaker body has a connecting block fixedly connected to its upper end. The connecting block has a connecting groove and a storage groove arranged sequentially from top to bottom. A sleeve is provided in the connecting groove, and two bearings are fixedly fitted onto the sleeve. The upper and lower ends of the bearings are respectively fixedly connected to the opposite sidewalls of the connecting groove. Screws are inserted into both ends of the sleeve, and the screws are threadedly connected to the sleeve. Both sides of the connecting block have through holes communicating with the connecting groove. The opposite ends of the two screws pass through the two through holes. A limiting groove is provided on the lower sidewall of the screws, and a limiting block is slidably connected within the limiting groove. The lower end of the limiting block passes through the limiting groove and is fixedly connected to the bottom sidewall of the through hole. This utility model, through the setting of the adjustment mechanism, reduces the installation and disassembly process of the ceiling-mounted speaker, thereby facilitating later maintenance and repair.

[0004] The existing ceiling-mounted devices have a relatively complex installation structure on the ceiling, which makes the manufacturing and maintenance costs of the devices high and makes it difficult to promote their widespread use. Furthermore, when the ceiling is thin, the top block on the installation structure is difficult to contact the bottom surface of the ceiling, which will affect the installation stability of the device.

[0005] Therefore, in order to solve the above problems, a ceiling-mounted fire extinguishing device is proposed. Utility Model Content

[0006] The purpose of this utility model is to provide a ceiling-mounted fire extinguishing device to solve the problems mentioned in the background art, such as the complex installation structure of the existing ceiling-mounted devices on the ceiling, which makes the manufacturing and maintenance costs of the device high and difficult to promote and use widely. Furthermore, when the ceiling is thin, the top block on the installation structure is difficult to contact the bottom surface of the ceiling, which affects the installation stability of the device.

[0007] To achieve the above objectives, this utility model provides the following technical solution: a ceiling-mounted fire extinguishing device, comprising: an outer shell, an inner cylinder integrally formed on the inner side of the outer shell, an installation plate installed at the bottom inner side of the inner cylinder, and a connector installed at the top of the outer shell;

[0008] An installation structure is mounted on the outer shell, the installation structure including a spring, the spring being sleeved on the outside of the outer shell, a retaining ring being fixedly connected to the top end of the spring, an internally threaded cylinder being movably mounted between the outer shell and the inner cylinder via a bearing, a rotating disk being inserted into the bottom surface of the internally threaded cylinder, an externally threaded rod being movably connected to the top surface of the internally threaded cylinder via a thread, a top ring being fixedly connected to the top end of the externally threaded rod, and an arc-shaped pressure block being rotatably mounted on the inner wall of the outer shell, with coil springs fixedly connected to the two side walls of the arc-shaped pressure block.

[0009] Preferably, the bottom end of the spring is fixedly connected to the bottom outer wall of the housing, and the abutment ring is sleeved on the outside of the housing, with the abutment ring located on the upper side of the arc-shaped pressure block.

[0010] Preferably, the bottom surface of the internally threaded cylinder is flush with the bottom surface of the outer shell.

[0011] Preferably, the external threaded rod protrudes from the top surface of the internal threaded cylinder, and the top ring is located between the outer shell and the inner cylinder.

[0012] Preferably, the arc-shaped pressure block is inverted The structure is shaped such that the top of the arc-shaped pressure block penetrates the side wall of the outer shell.

[0013] Preferably, one end of the coil spring is fixedly connected to the inner wall of the housing.

[0014] Compared with the prior art, the beneficial effects of this utility model are: by installing the outer shell in the reserved hole in the ceiling, the abutment ring and the arc-shaped pressure block can respectively abut against the upper and lower sides of the reserved hole, the inner cylinder can be fixed on the ceiling. The structure is simple and the installation operation is convenient and labor-saving.

[0015] This utility model features an installation structure where the top of the top ring is inserted into the bottom surface of the internally threaded cylinder. A rotating disc is held from below, and the upper end of the outer shell is installed in a pre-drilled hole in the ceiling. The rotating disc provides a gripping position for the worker during installation. The top surface of the abutment ring is in contact with the bottom surface of the ceiling. Pushing the outer shell upwards compresses the spring, allowing the outer shell to extend further into the pre-drilled hole. The arc-shaped pressure block follows the outer shell into the upper part of the ceiling. Rotating the two sets of rotating discs causes the internally threaded cylinder to rotate. As the internally threaded cylinder rotates, the externally threaded rod rises inside the outer shell, pushing the top ring upwards. The top ring then contacts the bottom end of the arc-shaped pressure block, causing it to rotate. The top of the arc-shaped pressure block extends from the surface of the outer shell and moves in a circular motion. The top of the arc-shaped pressure block then contacts the top surface of the ceiling. The arc-shaped pressure block, in conjunction with the abutment ring, secures the outer shell in the pre-drilled hole in the ceiling. The structure is simple, and installation is convenient and labor-saving. Attached Figure Description

[0016] Figure 1This is a front view schematic diagram of the structure of this utility model;

[0017] Figure 2 This is a top view schematic diagram of the structure of the mounting plate of this utility model;

[0018] Figure 3 This is a front sectional view of the structure of this utility model;

[0019] Figure 4 This is a front view sectional view of the internal threaded cylinder of this utility model.

[0020] In the diagram: 1. Outer shell; 11. Inner cylinder; 12. Mounting plate; 13. Connector; 2. Mounting structure; 21. Spring; 22. Abutment ring; 23. Internally threaded cylinder; 24. Rotary disc; 25. Externally threaded rod; 26. Top ring; 27. Arc-shaped pressure block; 28. Coil spring. Detailed Implementation

[0021] 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.

[0022] Please see Figure 1-4 One embodiment provided by this utility model:

[0023] The outer shell 1, inner cylinder 11, mounting plate 12 and connector 13 used in this application are products that can be purchased directly from the market. Their principles and connection methods are existing technologies well known to those skilled in the art, so they will not be described in detail here.

[0024] A ceiling-mounted fire extinguishing device includes: an outer shell 1, an inner cylinder 11 integrally formed on the inner side of the outer shell 1, an installation plate 12 installed at the bottom inner side of the inner cylinder 11, and a connector 13 installed at the top of the outer shell 1.

[0025] An installation structure 2 is installed on the outer shell 1. The installation structure 2 includes a spring 21, which is sleeved on the outside of the outer shell 1. A retaining ring 22 is fixedly connected to the top of the spring 21. An internally threaded cylinder 23 is movably installed between the outer shell 1 and the inner cylinder 11 through a bearing. A rotating disk 24 is inserted into the bottom surface of the internally threaded cylinder 23. An externally threaded rod 25 is movably connected to the top surface of the internally threaded cylinder 23 through a thread. A top ring 26 is fixedly connected to the top of the externally threaded rod 25. An arc-shaped pressure block 27 is rotatably installed on the inner wall of the outer shell 1. Coil springs 28 are fixedly connected to the two side walls of the arc-shaped pressure block 27. By installing the outer shell 1 in the reserved hole in the ceiling, the retaining ring 22 and the arc-shaped pressure block 27 can abut against the upper and lower surfaces of the reserved hole respectively, which can fix the inner cylinder 11 to the ceiling. The structure is simple and the installation operation is convenient and labor-saving.

[0026] Furthermore, the bottom end of the spring 21 is fixedly connected to the bottom outer wall of the housing 1, and the abutment ring 22 is sleeved on the outside of the housing 1. The abutment ring 22 is located on the upper side of the arc-shaped pressure block 27. The spring 21 provides power for the abutment ring 22 to abut against the bottom surface of the ceiling. The abutment ring 22 can fit against the bottom surface of the ceiling when the arc-shaped pressure block 27 is installed in the reserved hole in the ceiling.

[0027] Furthermore, the bottom surface of the internal threaded cylinder 23 is flush with the bottom surface of the outer casing 1, and the user can rotate the internal threaded cylinder 23 using the rotating disk 24 on the outside.

[0028] Furthermore, the external threaded rod 25 protrudes from the top surface of the internal threaded cylinder 23, and the top ring 26 is located between the outer shell 1 and the inner cylinder 11. The top ring 26 can move between the outer shell 1 and the inner cylinder 11, and the setting of the top ring 26 will not affect the use of the device.

[0029] Furthermore, the arc-shaped pressure block 27 is inverted The structure is shaped such that the top of the arc-shaped pressure block 27 penetrates the side wall of the outer shell 1. The top of the arc-shaped pressure block 27 can move in an arc-shaped trajectory, protruding from the outer wall of the outer shell 1 and abutting the top surface of the ceiling.

[0030] Furthermore, one end of the coil spring 28 is fixedly connected to the inner wall of the outer casing 1. The coil spring 28 provides power for the reset of the arc-shaped pressure block 27, so that the reverse internal threaded cylinder 23 can release the outer casing 1 from the pre-drilled hole in the ceiling, making it easy to remove the outer casing 1 and making the disassembly and assembly of the device convenient and labor-saving.

[0031] Working principle: During installation, the top of the top ring 26 is inserted into the bottom surface of the internally threaded cylinder 23. The rotating disk 24 is held from below, and the upper end of the outer shell 1 is installed in the pre-drilled hole in the ceiling. The rotating disk 24 provides a position for the worker to hold the outer shell 1 during installation. The top surface of the abutment ring 22 is in contact with the bottom surface of the ceiling. Pushing the outer shell 1 upward causes the spring 21 to contract under pressure, and the outer shell 1 continues to extend into the pre-drilled hole in the ceiling. The arc-shaped pressure block 27 then follows the outer shell 1 into the upper part of the ceiling. Rotating the two sets of rotating disks 24 drives the... When the internal threaded cylinder 23 rotates, the external threaded rod 25 rises inside the outer shell 1. The external threaded rod 25 pushes the top ring 26 upward, and the top ring 26 comes into contact with the bottom end of the arc-shaped pressure block 27, pushing the arc-shaped pressure block 27 and causing it to rotate. The top end of the arc-shaped pressure block 27 extends out from the surface of the outer shell 1 and moves in a circular motion. The top end of the arc-shaped pressure block 27 then comes into contact with the top surface of the ceiling. The arc-shaped pressure block 27, together with the abutment ring 22, can fix the outer shell 1 in the reserved hole in the ceiling. The structure is simple and the installation and operation are convenient and labor-saving.

[0032] The above description is merely a preferred embodiment of this utility model and is not intended to limit the utility model in any way. Those skilled in the art can readily implement this utility model based on the accompanying drawings and the above description. However, any modifications, alterations, or equivalent variations made by those skilled in the art without departing from the scope of the utility model's technical solution, utilizing the disclosed technical content, are considered equivalent embodiments of this utility model. Furthermore, any equivalent changes, alterations, or variations made to the above embodiments based on the essential technology of this utility model are still within the protection scope of this utility model's technical solution.

Claims

1. A ceiling mounted fire extinguishing device comprising: The shell (1) is integrally formed with an inner cylinder (11) on the inner side, the bottom end of the inner cylinder (11) is provided with a mounting disc (12), and the top end of the shell (1) is provided with a connecting head (13); Characterized in that: The shell (1) is provided with a mounting structure (2), the mounting structure (2) comprises a spring (21), the spring (21) is sleeved on the outer side of the shell (1), the top end of the spring (21) is fixedly connected with a resisting ring (22), the shell (1) and the inner cylinder (11) are movably mounted with an inner threaded cylinder (23) through a bearing, the bottom surface of the inner threaded cylinder (23) is inserted with a rotating disc (24), the inner threaded cylinder (23) is movably connected with an outer threaded rod (25) through a thread in the top surface, the top end of the outer threaded rod (25) is fixedly connected with a top ring (26), the inner wall of the shell (1) is rotatably provided with an arc-shaped pressing block (27), and the two side walls of the arc-shaped pressing block (27) are fixedly connected with a coil spring (28).

2. A ceiling mounted fire extinguishing device according to claim 1, characterised in that: The bottom end of the spring (21) is fixedly connected with the bottom end outer wall of the shell (1), the resisting ring (22) is sleeved on the outer side of the shell (1), and the resisting ring (22) is located on the upper side of the arc-shaped pressing block (27).

3. A ceiling mounted fire extinguishing device according to claim 1, wherein: The bottom surface of the inner threaded cylinder (23) is flush with the bottom surface of the shell (1).

4. A ceiling mounted fire extinguishing device according to claim 1, wherein: The outer threaded rod (25) is exposed from the top surface of the inner threaded cylinder (23), and the top ring (26) is located between the shell (1) and the inner cylinder (11).

5. A ceiling mounted fire extinguishing device according to claim 1, wherein: The arc-shaped pressing block (27) is in an inverted "フ” shape, and the top end of the arc-shaped pressing block (27) penetrates the side wall of the shell (1).

6. A ceiling mounted fire extinguishing device according to claim 1, wherein: One end of the coil spring (28) is fixedly connected with the inner wall of the shell (1).

Images