Fire-fighting spraying positioning device
By designing a fire sprinkler positioning device with a sliding connection positioning plate and trapezoidal screw rod, the problem of low applicability of existing devices is solved, and precise fixing of keels with different spacing is achieved, reducing construction costs and improving aesthetics.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- YUNNAN NO 5 CONSTR ENG
- Filing Date
- 2025-05-09
- Publication Date
- 2026-04-28
AI Technical Summary
Existing fire sprinkler positioning devices are only applicable to keel spacing of specific dimensions, resulting in low applicability, inaccurate installation, and high costs.
A fire sprinkler positioning device was designed, which uses a slidably connected positioning plate and trapezoidal screw rod. Through the adjustment groove and positioning ring, it can fix the keel with different spacing, and the clamping effect is enhanced by the elastic reset component.
The applicability of the fire sprinkler positioning device has been improved, enabling it to be used for installation on keels with different spacing, reducing construction costs and improving installation accuracy and aesthetics.
Smart Images

Figure CN224166774U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of building decoration technology, specifically to a fire sprinkler positioning device. Background Technology
[0002] In building decoration, to ensure the accurate installation of fire sprinkler heads, the traditional technique involves fabricating a temporary gypsum board and fixing it to the secondary joists of the grid. Holes are drilled at the designated sprinkler head locations on the gypsum board, the sprinkler head is installed in the holes, and then a fire branch pipe is routed to the sprinkler head using a rocker arm bend, connecting and securing the sprinkler head. Afterward, the gypsum board is removed, and ceiling work continues. This gypsum board hole positioning method has the following drawbacks: First, gypsum board is only used once, resulting in significant waste and increased construction costs; second, the positioning accuracy of the installation holes is low, leading to non-standard sprinkler head installations and poor aesthetics; third, the installation and removal of gypsum board takes a long time, affecting concurrent work.
[0003] To solve the above problems, fire sprinkler positioning devices subsequently appeared on the market. These fire sprinkler positioning devices are roughly a frame with sprinkler heads installed on the frame and first positioning plates on both sides of the frame. The first positioning plates can be quickly installed into the frame using screws.
[0004] However, this device has a significant drawback: the position of the first positioning plate is fixed, and it can only be used for installation between two keel spacings of a specific size, resulting in low applicability.
[0005] Therefore, it is necessary to propose a fire sprinkler positioning device that can be used for installation between two keels with different spacing and different sizes, thereby greatly improving its applicability. Utility Model Content
[0006] The purpose of this utility model is to overcome the shortcomings of the existing technology and propose a fire sprinkler positioning device that can be used for installation between two keels with different spacing, thereby greatly improving its applicability.
[0007] The purpose of this utility model is achieved through the following technical solution: a fire sprinkler positioning device, including a plate body, an opening on the plate body, a positioning ring provided at the opening, adjustment grooves with one side opening on the upper side and a lead screw rotatably arranged in the adjustment groove, a first positioning plate slidably arranged at both ends of the plate body, the lead screw and the first positioning plate being threadedly rotatably connected, and a first handle for driving the lead screw to rotate is provided on the plate body.
[0008] The positioning ring has positioning blocks at both ends, and positioning bolts that are detachably installed on the plate are mounted on the positioning blocks.
[0009] The lead screw is a trapezoidal lead screw.
[0010] The positioning ring is detachably threadedly connected to the fire sprinkler head.
[0011] It also includes a second positioning plate that is slidably disposed at both ends of the plate. The second positioning plate is threadedly connected to the lead screw. When the lead screw rotates, the first positioning plate and the second positioning plate move closer to each other or further away from each other.
[0012] The positioning plate is hollow inside, with openings on the side away from the plate body and on one side wall. A positioning part is provided at the opening on one side wall of the positioning plate. A pushing part is slidably provided inside the positioning plate. A wedge block is slidably provided on the pushing part. The side of the wedge block near the opening on the side wall of the positioning plate is inclined. A slider is slidably provided at the lower end of the wedge block. An elastic reset component is provided on the inner wall of the positioning plate. One end of the elastic reset component is connected to the slider.
[0013] The positioning plate is threaded with a second handle, the end of which is rotatably connected to the push plate.
[0014] The elastic reset assembly includes a hollow mother rod with a daughter rod slidably passing through one end of the mother rod. A reset spring is provided on the inner wall of the mother rod and is connected to the daughter rod.
[0015] The pushing part is provided with a T-shaped groove, and the wedge block is provided with a T-shaped block that matches the size, position and shape of the T-shaped groove and is slidably installed on the T-shaped groove.
[0016] The beneficial effects of this utility model are: by setting a first positioning plate that can be slidably connected, this utility model can abut against keels with different spacings and thus be fixed on the keel. Compared with the prior art, which is only applicable to keels with two specific spacings, this utility model greatly improves its applicability. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of Embodiment 1 of the present utility model;
[0018] Figure 2 This is a cross-sectional view of the first positioning plate in Embodiment 2 of this utility model;
[0019] Figure 3 This is a cross-sectional view of the T-block connection in Embodiment 2 of this utility model;
[0020] Figure 4 This is a schematic diagram of the elastic reset component in Embodiment 2 of this utility model;
[0021] In the diagram, 1. Plate; 2. Through-hole; 3. Positioning ring; 4. Adjustment groove; 5. Lead screw; 6. First positioning plate; 7. First handle; 8. Positioning block; 9. Positioning bolt; 10. Second positioning plate; 11. Positioning part; 12. Pushing part; 13. Wedge block; 14. Slider; 15. Elastic reset assembly; 16. Second handle; 17. Mother rod; 18. Daughter rod; 19. Reset spring; 20. T-slot; 21. T-block. Detailed Implementation
[0022] The technical solution of this utility model will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of this utility model, and not all embodiments. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.
[0023] It should be noted that the directional concepts of "left", "right", "up", "down", "front", "back", "inner", and "outer" in the following scheme are all relative directions, and will not be listed one by one here.
[0024] A fire sprinkler positioning device, reference Figure 1 The system includes a plate body 1. A through-hole 2 is located at the center of plate body 1. A detachable positioning ring 3 is installed at through-hole 2. The fire sprinkler head is detachably connected to the positioning ring 3 via a threaded rotation. Positioning blocks 8 are provided at both the upper and lower ends of the positioning ring 3. Positioning bolts 9 are detachably threaded through the positioning blocks 8 and mounted on plate body 1, thereby fixing the positioning ring 3 at through-hole 2.
[0025] Two adjusting grooves 4 are respectively located at both ends of the opening 2 on the upper side of the plate 1. A lead screw 5 is rotatably installed in the adjusting groove 4. The lead screw 5 is a trapezoidal lead screw with self-locking properties. The lead screw 5 is threaded through the first positioning plate 6 and the second positioning plate 10. The first positioning plate 6 and the second positioning plate 10 are provided with sliding blocks that are slidably installed in the adjusting groove 4. The lead screw 5 is threaded through the sliding blocks, thereby realizing the threaded rotation of the lead screw 5 through the first positioning plate 6 and the second positioning plate 10, and making the first positioning plate 6 and the second positioning plate 10 slidably connected to the upper side of the plate 1. A first handle 7 is rotatably installed at both ends of the plate 1. The first handle 7 is connected to the lead screw 5. When the first handle 7 is rotated, the first positioning plate 6 and the second positioning plate 10 move closer to each other or further away from each other.
[0026] In the initial state, the distance between the first positioning plate 6 and the second positioning plate 10 is adjusted to the maximum. After the plate 1 is installed in the appropriate position, the first handle 7 is turned to make the first positioning plate 6 and the second positioning plate 10 move closer to each other. Thus, the first positioning plate 6 and the second positioning plate 10 cooperate to firmly clamp the keel, thereby fixing the relative position between the plate 1 and the keel.
[0027] As a further improvement to this utility model, based on the above-mentioned cases, further extensions can be made to provide a variety of novel embodiments.
[0028] As a second embodiment of this utility model, based on embodiment 1, and referring to... Figures 2-4 The first positioning plate 6 and the second positioning plate 10 are both open on their upper sides and on the side closest to each other. The first positioning plate 6 and the second positioning plate 10 are provided with a positioning part 11 on the side close to each other. When the first positioning plate 6 and the second positioning plate 10 move closer to each other to clamp the keel, the positioning part 11 is mainly responsible for clamping the keel.
[0029] A pushing part 12 is slidably disposed inside the positioning plate. A wedge block 13 is slidably disposed up and down on the side of the pushing part 12 near the positioning part 11. The side of the wedge block 13 near the positioning part 11 is inclined. The lower side of the wedge block 13 is flat and a slider 14 is slidably disposed thereon. An elastic reset member 15 is disposed on the bottom wall of the positioning plate, and the upper end of the elastic reset member 15 is connected to the slider 14. A second handle 16 is threaded through the side wall of the positioning plate, and the end of the second handle 16 is rotatably connected to the pushing part 12.
[0030] When the first positioning plate 6 and the second positioning plate 10 clamp the keel, the second handle 16 rotates to push the pushing part 12 to move, thereby driving the wedge block 13 to move. When the inclined surface of the wedge block 13 contacts the keel, since the height of the keel is higher than the height of the wedge block 13 at this time, the wedge block 13 moves upward along with the pushing part 12, and the elastic reset member 15 elongates and deforms. When the pushing part 12 moves to the leftmost end, the lower plane of the wedge block 13 is in close contact with the surface of the keel. Under the restoring force of the elastic reset member 15, the lower plane of the wedge block 13 cooperates with the plate 1 to firmly clamp the keel.
[0031] The elastic reset assembly 15 includes a hollow female rod 17. A male rod 18 slides through the upper end of the female rod 17. A reset spring 19 is provided on the inner wall of the female rod 17, and the upper end of the reset spring 19 is connected to the male rod 18.
[0032] A T-slot 20 extending downwards is provided on one side of the pushing part 12. A T-block 21 matching the shape and size of the T-slot 20 is provided on the wedge block 13. The T-block 21 is slidably installed in the T-slot 20, thereby realizing the slidable installation of the wedge block 13 on the pushing part 12. The connection method of the slider 14 and the wedge block 13 is also the same as the connection method of the wedge block 13 and the pushing part 12, and will not be described in detail here.
[0033] The above description is merely a preferred embodiment of this utility model. It should be understood that this utility model is not limited to the form disclosed herein and should not be construed as excluding other embodiments. It can be used in various other combinations, modifications, and environments, and can be altered within the scope of the concept described herein through the above description or the technology or knowledge in related fields. Modifications and variations made by those skilled in the art that do not depart from the spirit and scope of this utility model should be protected within the scope of the appended claims.
Claims
1. A fire sprinkler positioning device, comprising a plate body, wherein an opening is provided on the plate body, and a positioning ring is provided at the opening, characterized in that, The plate has adjustment grooves with an upper opening on one side at both ends. A lead screw is rotatably installed in the adjustment groove. A first positioning plate is slidably installed at both ends of the plate. The lead screw is threadedly connected to the first positioning plate. A first handle for driving the lead screw to rotate is provided on the plate.
2. The fire sprinkler positioning device according to claim 1, characterized in that: The positioning ring has positioning blocks at both ends, and positioning bolts that are detachably installed on the plate are mounted on the positioning blocks.
3. A fire sprinkler positioning device according to claim 1, characterized in that: The lead screw is a trapezoidal lead screw.
4. A fire sprinkler positioning device according to claim 1, characterized in that: The positioning ring is detachably threadedly connected to the fire sprinkler head.
5. A fire sprinkler positioning device according to claim 1, characterized in that: It also includes a second positioning plate that is slidably disposed at both ends of the plate. The second positioning plate is threadedly connected to the lead screw. When the lead screw rotates, the first positioning plate and the second positioning plate move closer to each other or further away from each other.
6. A fire sprinkler positioning device according to any one of claims 1-5, characterized in that: The positioning plate is hollow inside, with openings on the side away from the plate body and on one side wall. A positioning part is provided at the opening on one side wall of the positioning plate. A pushing part is slidably provided inside the positioning plate. A wedge block is slidably provided on the pushing part. The side of the wedge block near the opening on the side wall of the positioning plate is inclined. A slider is slidably provided at the lower end of the wedge block. An elastic reset component is provided on the inner wall of the positioning plate. One end of the elastic reset component is connected to the slider.
7. A fire sprinkler positioning device according to claim 6, characterized in that: The positioning plate is threaded with a second handle, the end of which is rotatably connected to the push plate.
8. A fire sprinkler positioning device according to claim 6, characterized in that: The elastic reset assembly includes a hollow mother rod with a daughter rod slidably passing through one end of the mother rod. A reset spring is provided on the inner wall of the mother rod and is connected to the daughter rod.
9. A fire sprinkler positioning device according to claim 6, characterized in that: The pushing part is provided with a T-shaped groove, and the wedge block is provided with a T-shaped block that matches the size, position and shape of the T-shaped groove and is slidably installed on the T-shaped groove.