Pressure self-relief type pipeline pressure stabilizing device for fire fighting
By introducing a protective box and a threaded rod worm gear structure into the fire pipeline pressure stabilizing device, the problems of easy wear and lack of protection of the transmission belt are solved, thus simplifying replacement and improving operational stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- TIANJIN ZIMUYUANSHENG TECH CO LTD
- Filing Date
- 2025-07-08
- Publication Date
- 2026-05-15
AI Technical Summary
The drive belts in existing fire pipeline pressure stabilizing devices are prone to wear and require regular replacement. The replacement process is complex, which increases the difficulty of maintenance. At the same time, the lack of protection affects the operational stability of the device.
A protective structure including a protective box and a cover plate was designed to enclose the large pulley, small pulley and drive belt. The combination of threaded rod and worm gear structure simplifies the replacement process of the drive belt. The protective box is fixed by a U-shaped frame and fixing blocks to prevent dust and debris from entering.
It simplifies the replacement process of the drive belt, reduces maintenance difficulty, improves maintenance efficiency, and ensures the stability of water pressure in fire pipelines.
Smart Images

Figure CN224245367U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of fire protection technology, specifically a self-releasing pipeline pressure stabilizing device for fire protection. Background Technology
[0002] Fire protection pipelines refer to pipeline materials used in fire protection to connect fire protection equipment and materials, and to transport fire-fighting water, gas or other media.
[0003] In the prior art, the authorized announcement number CN215214832U discloses a water pressure stabilizing device for fire pipelines with automatic water pressure adjustment, which includes a base. The base is equipped with a clamping part and a deceleration part. The clamping part includes a pipe body fixed to the top side of the base. A round pipe is fixedly installed on one side of the pipe body. The round pipe is interconnected with the pipe body. An annular groove is formed on the inner wall of the round pipe.
[0004] While the device can automatically regulate water pressure, it also has some drawbacks: the large and small pulleys are connected by a transmission belt, which is prone to wear and tear during long-term use and needs to be replaced regularly. The replacement process is complicated and increases the difficulty of maintenance. In addition, the large and small pulleys and the transmission belt are exposed and lack effective protection, making them susceptible to interference from external dust and debris, which may affect the normal operation of the device and thus the stability of the water pressure in the fire pipeline. Utility Model Content
[0005] The purpose of this utility model is to provide a pressure-relieving pipeline stabilizing device for fire protection, in order to solve the problem in the prior art that the transmission belt is prone to wear during long-term use and needs to be replaced regularly. The process of replacing the transmission belt is relatively complicated, which increases the difficulty of maintenance for personnel.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a pressure-relieving pipeline stabilizing device for fire protection, comprising a base, a pipeline body fixedly connected to the top of the base, a large belt pulley and a small belt pulley on the top of the pipeline body, the large belt pulley and the small belt pulley being connected by a transmission belt, a cross block fixedly connected to the bottom of the large belt pulley, a mounting seat on the outside of the cross block, a protective structure between the large belt pulley and the small belt pulley, a cross groove on one side of the mounting seat, the cross block being slidably disposed inside the cross groove, an installation groove formed on the inner side of the mounting seat, a threaded rod rotatably disposed on one side inside the installation groove, one end of the threaded rod passing through the inner side of the installation groove and rotatably connected to the threaded rod, the cross block being threadedly connected to the outside of the threaded rod, a rotating structure on the outside of the threaded rod, a spherical structure at the bottom of the mounting seat, a fixed shaft fixedly connected to the bottom of the small belt pulley, and a clamping assembly between the fixed shaft and the pipeline body.
[0007] Preferably, the protective structure includes a protective box, which is disposed on the top of the pipe body. The large belt pulley, small belt pulley, transmission belt and mounting base are all disposed inside the protective box, and slots are provided on both sides inside the protective box.
[0008] Preferably, the protective structure further includes a cover plate, which is disposed on the top of the protective box. The bottom of the cover plate has two L-shaped grooves, and two fixing rods and an L-shaped block are disposed inside the L-shaped grooves. The two fixing rods pass through the L-shaped blocks and are slidably connected to the L-shaped blocks. Both ends of the two fixing rods are fixedly connected to the cover plate. Springs are sleeved on the outside of the two fixing rods. Both ends of the two springs are fixedly connected to the L-shaped block and the cover plate, respectively. The L-shaped block is disposed inside the slot. Through the arrangement of the protective box and the cover plate, the large pulley, small pulley, transmission belt and mounting base and other components can be wrapped inside, effectively preventing external dust and debris from falling on their surface.
[0009] Preferably, a T-shaped handle is provided inside the L-shaped groove. One end of the T-shaped handle is fixedly connected to the L-shaped block, and the other end of the T-shaped handle passes through the inner side of the L-shaped groove and extends to the outer side of the cover plate. The T-shaped handle is slidably connected to the cover plate. The T-shaped handle provides a convenient operating component for disassembling the cover plate.
[0010] Preferably, a threaded groove is provided on one side of the cross block, and one end of the threaded rod extends into the threaded groove.
[0011] Preferably, the rotating structure includes a worm gear, a worm, and an open slot. The worm gear and the worm are both disposed inside the mounting slot. The worm gear is fixedly connected to the outside of the threaded rod, and the worm is meshed with the outside of the worm gear. The open slot is formed on a large pulley. The two ends of the worm pass through the top and bottom of the mounting slot respectively and are rotatably connected to the mounting base. The top of the worm passes through the open slot, and a throttle handle is installed on the top of the worm.
[0012] Preferably, the spherical structure includes a rotating shaft, which is fixedly connected to the bottom of the mounting base. The bottom end of the rotating shaft passes sequentially through the bottom of the protective box and the top of the pipe body. The rotating shaft is rotatably connected to both the protective box and the pipe body. A spherical block body is fixedly connected to the bottom end of the rotating shaft and is disposed inside the pipe body. A U-shaped frame is rotatably connected to the outside of the rotating shaft. The U-shaped frame is fixedly connected to the top of the base. Multiple fixing blocks are fixedly connected to the top of the U-shaped frame, and all of the multiple fixing blocks are fixedly connected to the protective box.
[0013] Preferably, the fixed shaft is disposed inside the protective box, the bottom end of the fixed shaft passes through the bottom of the protective box and extends to the bottom of the protective box, and the fixed shaft is rotatably connected to the protective box.
[0014] Compared with the prior art, the beneficial effects of this utility model are:
[0015] 1. This application utilizes the rotation of the threaded rod to cause the cross block to slide outward from the cross groove. Since the cross block is fixedly connected to the large pulley, the movement of the cross block can drive the large pulley to move, thereby loosening the transmission belt so that personnel can remove it. When replacing the new transmission belt, after placing the new transmission belt on the large and small pulleys, rotating the handle in the forward direction will drive the worm gear to rotate, thereby resetting the large pulley and tightening the transmission belt, thus completing the installation of the transmission belt. This structural design facilitates personnel operation, reduces the workload and difficulty of maintenance personnel replacing transmission belts, and improves maintenance efficiency.
[0016] 2. This application utilizes a protective box that is fixedly connected to the top of the U-shaped frame by multiple fixing blocks. The cooperation between the protective box and the cover plate can protect the large pulley, small pulley, and transmission belt, preventing dust and debris from falling onto them, thereby ensuring the normal operation of the large pulley, small pulley, and transmission belt, and thus ensuring the stability of the water pressure in the fire pipeline. Attached Figure Description
[0017] Figure 1 This is a schematic diagram of the overall structure of a fire-fighting pressure self-releasing pipeline pressure stabilizing device according to the present invention;
[0018] Figure 2This is a cross-sectional view of the protective box of a fire-fighting pressure self-releasing pipeline pressure stabilizing device according to this utility model;
[0019] Figure 3 This is a sectional view of the mounting base of a self-releasing pipeline pressure stabilizing device for fire protection according to this utility model;
[0020] Figure 4 This is a cross-sectional view of a self-releasing pressure stabilizing pipeline device for fire protection according to this utility model.
[0021] Figure 5 This is a cross-sectional view of the cover plate of a self-releasing pipeline pressure stabilizing device for fire protection according to this utility model. Detailed Implementation
[0022] 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.
[0023] Example: Figure 1 - Figure 5As shown, this utility model provides a technical solution for a self-releasing pressure stabilizing device for fire protection pipelines, including a base 1. A pipeline body 2 is fixedly connected to the top of the base 1. A large belt pulley 9 and a small belt pulley 15 are provided on the top of the pipeline body 2. The large belt pulley 9 and the small belt pulley 15 are connected by a transmission belt 16. A cross block 11 is fixedly connected to the bottom of the large belt pulley 9. A mounting seat 10 is provided on the outside of the cross block 11. A protective structure is provided between the large belt pulley 9 and the small belt pulley 15. A cross groove 100 is opened on one side of the mounting seat 10. The cross block 11 is slidably disposed inside the cross groove 100. An installation groove 101 is formed on the inner side of the mounting seat 10. A threaded rod 12 is rotatably disposed on one side of the installation groove 101. One end of the threaded rod 12 passes through the inner side of the installation groove 101 and is rotatably connected to the threaded rod 12. A threaded groove is opened on one side of the cross block 11. One end of the threaded rod 12 extends into the threaded groove. The cross block 11 is threadedly connected to the outside of the threaded rod 12. The threaded rod 12 has a rotating structure on its outer side, and the mounting base 10 has a spherical structure at its bottom. The spherical structure includes a rotating shaft 6, which is fixedly connected to the bottom of the mounting base 10. The bottom end of the rotating shaft 6 passes through the bottom of the protective box 4 and the top of the pipe body 2 in sequence. The rotating shaft 6 is rotatably connected to the protective box 4 and the pipe body 2 respectively. The bottom end of the rotating shaft 6 is fixedly connected to a spherical block body 7, which is located inside the pipe body 2. The outside of the rotating shaft 6 is rotatably connected to a U-shaped frame 3, which is fixedly connected to the top of the base 1. The top of the U-shaped frame 3 is fixedly connected to multiple fixing blocks 5, which are all fixedly connected to the protective box 4. The bottom of the small belt pulley 15 is fixedly connected to a fixing shaft 150, which is located inside the protective box 4. The bottom end of the fixing shaft 150 passes through the bottom of the protective box 4 and extends to the bottom of the protective box 4. The fixing shaft 150 is rotatably connected to the protective box 4. A clamping assembly 200 is provided between the fixing shaft 150 and the pipe body 2.
[0024] The rotating structure includes a worm gear 13, a worm 14, and an opening slot 900. Both the worm gear 13 and the worm 14 are located inside the mounting slot 101. The worm gear 13 is fixedly connected to the outside of the threaded rod 12, and the worm 14 is meshed with the outside of the worm gear 13. The opening slot 900 is opened on the large pulley 9. The two ends of the worm 14 pass through the top and bottom of the mounting slot 101 respectively and are rotatably connected to the mounting base 10. The top of the worm 14 passes through the opening slot 900, and a throttle handle is installed on the top of the worm 14.
[0025] Specifically, rotating the throttle in the reverse direction causes the worm gear 14 to rotate. Since the worm gear 14 meshes with the worm wheel 13, the worm wheel 13 drives the threaded rod 12 to rotate on the mounting base 10. The threaded rod 12 is located in the threaded groove and is threadedly connected to the cross block 11. Therefore, the rotation of the threaded rod 12 causes the cross block 11 to slide outward from inside the cross groove 100. Since the cross block 11 is fixedly connected to the large pulley 9, the movement of the cross block 11 can drive the large pulley 9 to move, thereby loosening the transmission belt 16 so that personnel can remove the transmission belt 16. When replacing the new transmission belt 16, after putting the new transmission belt 16 on the large pulley 9 and the small pulley 15, rotating the throttle in the forward direction causes the worm gear 14 to rotate, thereby resetting the large pulley 9 and tightening the transmission belt 16, thus completing the installation of the transmission belt 16. This structural design facilitates personnel operation, reduces the workload and difficulty of maintenance personnel replacing the transmission belt 16, and improves maintenance efficiency.
[0026] Furthermore, the clamping component 200 is existing technology, which has been described in the announcement number CN215214832U, a water pressure stabilizing device for fire pipeline with automatic water pressure adjustment, and will not be elaborated on here.
[0027] Example: Figure 1 , Figure 2 and Figure 5 As shown, the protective structure includes a protective box 4, which is located on top of the pipe body 2. A large belt pulley 9, a small belt pulley 15, a transmission belt 16, and a mounting base 10 are all located inside the protective box 4. Slots 400 are provided on both sides of the interior of the protective box 4. The protective structure also includes a cover plate 8, which is located on top of the protective box 4. Two L-shaped grooves 17 are provided at the bottom of the cover plate 8. Two fixing rods 19 and an L-shaped block 18 are located inside the L-shaped grooves 17. Both fixing rods 19 pass through the L-shaped block 18 and... The L-shaped block 18 is slidably connected to the cover plate 8 at both ends. The two fixed rods 19 are fixedly connected to the cover plate 8 at both ends. The two fixed rods 19 are fitted with springs 20 on their outer sides. The two springs 20 are fixedly connected to the L-shaped block 18 and the cover plate 8 at both ends respectively. The L-shaped block 18 is set inside the slot 400. The L-shaped slot 17 is provided with a T-shaped handle 21 inside. One end of the T-shaped handle 21 is fixedly connected to the L-shaped block 18. The other end of the T-shaped handle 21 passes through the inner side of the L-shaped slot 17 and extends to the outer side of the cover plate 8. The T-shaped handle 21 is slidably connected to the cover plate 8.
[0028] Specifically, the protective box 4 is fixedly connected to the top of the U-shaped frame 3 by multiple fixing blocks 5. The cooperation between the protective box 4 and the cover plate 8 can protect the large belt pulley 9, the small belt pulley 15 and the transmission belt 16, preventing dust and debris from falling on them, thereby ensuring the normal operation of the large belt pulley 9, the small belt pulley 15 and the transmission belt 16, and thus ensuring the stability of the water pressure in the fire pipeline.
[0029] Furthermore, when maintenance is required on the components inside the protective box 4, the two T-shaped handles 21 are pressed in opposite directions, and the two L-shaped blocks 18 move in opposite directions under the push of the two T-shaped handles 21. At this time, the multiple springs 20 are elastically compressed, thereby allowing the two L-shaped blocks 18 to be removed from the two slots 400, so that the cover plate 8 can be disassembled so that personnel can maintain the components inside the protective box 4.
[0030] It will be apparent to those skilled in the art that this invention is not limited to the details of the exemplary embodiments described above, and that it can be implemented in other specific forms without departing from the spirit or essential characteristics of this invention. Therefore, the embodiments should be considered illustrative and non-limiting in all respects, and the scope of this invention is defined by the appended claims rather than the foregoing description. Thus, it is intended that all variations falling within the meaning and scope of equivalents of the claims be included within this invention. No reference numerals in the claims should be construed as limiting the scope of the claims.
Claims
1. A self-releasing pipeline pressure stabilizing device for fire fighting, characterized in that: The system includes a base (1), on which a pipe body (2) is fixedly connected. The top of the pipe body (2) is provided with a large belt pulley (9) and a small belt pulley (15). The large belt pulley (9) and the small belt pulley (15) are connected by a transmission belt (16). A cross block (11) is fixedly connected to the bottom of the large belt pulley (9). A mounting seat (10) is provided on the outside of the cross block (11). A protective structure is provided between the large belt pulley (9) and the small belt pulley (15). A cross groove (100) is opened on one side of the mounting seat (10), and the cross block (11) is slidably disposed in the cross groove (100). Inside the mounting base (10), an mounting groove (101) is formed on the inner side. A threaded rod (12) is rotatably provided on one side of the mounting groove (101). One end of the threaded rod (12) passes through the inner side of the mounting groove (101) and is rotatably connected to the threaded rod (12). The cross block (11) is threadedly connected to the outer side of the threaded rod (12). A rotating structure is provided on the outer side of the threaded rod (12). A spherical structure is provided at the bottom of the mounting base (10). A fixed shaft (150) is fixedly connected to the bottom of the small pulley (15). A clamping assembly (200) is provided between the fixed shaft (150) and the pipe body (2).
2. The self-releasing pressure stabilizing device for fire protection according to claim 1, characterized in that: The protective structure includes a protective box (4), which is located on the top of the pipe body (2). The large belt pulley (9), small belt pulley (15), transmission belt (16) and mounting base (10) are all located inside the protective box (4). The protective box (4) has slots (400) on both sides inside.
3. A self-releasing pressure stabilizing pipeline device for fire fighting according to claim 2, characterized in that: The protective structure also includes a cover plate (8), which is located on the top of the protective box (4). The bottom of the cover plate (8) has two L-shaped grooves (17). The L-shaped grooves (17) are provided with two fixing rods (19) and an L-shaped block (18). The two fixing rods (19) pass through the L-shaped block (18) and are slidably connected to the L-shaped block (18). Both ends of the two fixing rods (19) are fixedly connected to the cover plate (8). Springs (20) are sleeved on the outside of the two fixing rods (19). Both ends of the two springs (20) are fixedly connected to the L-shaped block (18) and the cover plate (8) respectively. The L-shaped block (18) is located inside the slot (400).
4. A self-releasing pressure stabilizing pipeline device for fire fighting according to claim 3, characterized in that: The L-shaped groove (17) is provided with a T-shaped handle (21). One end of the T-shaped handle (21) is fixedly connected to the L-shaped block (18), and the other end of the T-shaped handle (21) passes through the inside of the L-shaped groove (17) and extends to the outside of the cover plate (8). The T-shaped handle (21) is slidably connected to the cover plate (8).
5. A self-releasing pressure stabilizing device for fire fighting as described in claim 1, characterized in that: The cross block (11) has a threaded groove on one side, and one end of the threaded rod (12) extends into the threaded groove.
6. A self-releasing pressure stabilizing device for fire fighting as described in claim 1, characterized in that: The rotating structure includes a worm wheel (13), a worm (14), and an opening slot (900). The worm wheel (13) and the worm (14) are both located inside the mounting slot (101). The worm wheel (13) is fixedly connected to the outside of the threaded rod (12). The worm (14) is meshed with the outside of the worm wheel (13). The opening slot (900) is opened on the large pulley (9). The two ends of the worm (14) pass through the top and bottom of the mounting slot (101) respectively and are rotatably connected to the mounting base (10). The top of the worm (14) passes through the opening slot (900). A throttle is installed on the top of the worm (14).
7. A self-releasing pressure stabilizing pipeline device for fire fighting according to claim 2, characterized in that: The spherical structure includes a rotating shaft (6), which is fixedly connected to the bottom of the mounting base (10). The bottom end of the rotating shaft (6) passes through the bottom of the inner end of the protective box (4) and the top of the pipe body (2) in sequence. The rotating shaft (6) is rotatably connected to the protective box (4) and the pipe body (2) respectively. A spherical block body (7) is fixedly connected to the bottom end of the rotating shaft (6). The spherical block body (7) is set inside the pipe body (2). A U-shaped frame (3) is rotatably connected to the outside of the rotating shaft (6). The U-shaped frame (3) is fixedly connected to the top of the base (1). Multiple fixing blocks (5) are fixedly connected to the top of the U-shaped frame (3). All of the multiple fixing blocks (5) are fixedly connected to the protective box (4).
8. A self-releasing pressure stabilizing pipeline device for fire fighting according to claim 2, characterized in that: The fixed shaft (150) is disposed inside the protective box (4). The bottom end of the fixed shaft (150) passes through the bottom end of the protective box (4) and extends to the bottom of the protective box (4). The fixed shaft (150) is rotatably connected to the protective box (4).