Opening double-shaft structure of invisible fire hydrant door

Abstract

The utility model discloses an invisible fire hydrant door opening double-shaft structure, which relates to the technical field of fire-fighting instruments and comprises a box body, one side of the box body is rotatably provided with a fire hydrant door body through a double-shaft assembly, one side of the fire hydrant door body is provided with two contraction grooves, the inner wall of each contraction groove is provided with an installation groove, and the installation grooves are connected with the box body. By pulling the handle, the handle drives the two sliding blocks to move, the two sliding blocks drive the two steel ropes to move respectively, the steel ropes drive the sliding rod to move under the action of the guide wheel, the sliding rod drives the limiting ring to move, the limiting ring is driven by the sliding rod to move, and the bolt is fixedly mounted on one side of the limiting ring. The limiting ring drives the bolt to move, so that the bolt is contracted into the contraction groove to unlock the connection between the fire hydrant door body and the box body, at the moment, the two sliding blocks drive the handle to move through the secondary spring, the handle drives the fire hydrant door body to be opened, and the effect of quickly locking or unlocking the sealing of the fire hydrant door body is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fire-fighting equipment, in particular to a double-axis opening structure of an invisible fire hydrant door. Background Art

[0002] A fire hydrant door refers to a door installed on a fire hydrant facility, which is mainly used to protect fire hydrant equipment and facilitate the quick opening and use of fire hydrants in emergency situations.

[0003] In the prior art, such as publication number CN205964798U, a stone fire hydrant hidden door structure is disclosed, which includes a fire hydrant box, a water gun compartment, a water delivery device and a rotating shaft door, wherein the fire hydrant box and the water gun compartment are connected through the water gun compartment connection end and the water gun compartment installation end, the water delivery device and the fire hydrant box are connected through the water outlet cavity and the water delivery device interface, and the rotating shaft door and the fire hydrant box are connected through the rotating shaft connection shell. The door of the fire hydrant is connected and works by double-axis rotation, which is flexible and convenient to open, and the opening angle can reach 180 degrees, which is convenient for fire fighting and improves the efficiency of fire fighting.

[0004] However, the device still has some problems. Among them, it utilizes a dual-axis rotation connection and operation, which makes it flexible and convenient to open, and the opening angle can reach 180 degrees, which is convenient for fire fighting. In actual use, the fire hydrant door should be kept in a normally closed and sealed state when not in use. The dual-axis opening structure is adopted in the device, but the corresponding closed locking structure is not provided for the opening of the door body, which may cause the fire hydrant door to be unable to be normally closed. Therefore, we disclose an invisible fire hydrant door opening dual-axis structure to meet people's needs. Utility Model Content

[0005] The purpose of the present application is to provide a dual-axis structure for opening an invisible fire hydrant door, so as to solve the problem proposed in the above-mentioned background technology that the fire hydrant door should be kept in a normally closed and sealed state when not in use. The dual-axis opening structure is adopted in the device, but no corresponding closed locking structure is provided for the opening of the door body, which may cause the fire hydrant door to be unable to be in a normally closed state.

[0006] To achieve the above-mentioned objectives, the present application provides the following technical solutions: an invisible fire hydrant door opening dual-axis structure, comprising a box body, a fire hydrant door body being rotatably installed on one side of the box body through a dual-axis assembly, two contraction grooves being provided on one side of the fire hydrant door body, an installation groove being provided on the inner wall of the contraction groove, a limit ring being slidably installed in the installation groove, a latch being fixedly installed on one side of the limit ring, a slot being provided on one side of the box body, the slot being adapted to the latch, a sliding rod being fixedly installed on the limit ring, a limit cover being fixedly installed in the installation groove, the sliding rod being slidably installed on the limit cover, and a primary spring being sleeved on the surface of the sliding rod.

[0007] Preferably, a movable groove is provided on the surface of the fire hydrant door body, the movable groove is connected to the installation groove, a guide wheel is rotatably installed in the movable groove, and a steel rope is installed at the other end of the slide rod, and the steel rope corresponds to the guide wheel.

[0008] Preferably, a handle is fixedly mounted on the surface of the fire hydrant door body, adjustment grooves are provided on the inner walls on both sides of the handle, sliding blocks are slidably mounted in the two adjustment grooves, and the other end of the steel rope is fixedly mounted on one side of the sliding block.

[0009] Preferably, a secondary spring is fixedly mounted on the other side of the sliding block, the other end of the secondary spring is fixedly mounted on the inner wall of the adjusting groove, and the same handle is fixedly mounted on the opposite surfaces of the two sliding blocks.

[0010] Preferably, the dual-axis assembly includes a primary rotating shaft, which is fixedly mounted on the inner wall of the box body through two mounting ears, a connecting block is rotatably mounted on the surface of the primary rotating shaft, a secondary rotating shaft is rotatably mounted on the inner wall of the connecting block, and two fixed blocks are rotatably mounted on the surface of the secondary rotating shaft, and one side of the two fixed blocks is fixedly connected to one side of the fire hydrant door body.

[0011] Preferably, a secondary sealing strip is installed on one side of the fire hydrant door body, and a sealing groove is opened on the inner wall of the box body, and the sealing groove corresponds to the secondary sealing strip.

[0012] Preferably, a primary sealing strip is fixedly installed in the sealing groove, and the primary sealing strip corresponds to the secondary sealing strip.

[0013] In summary, the technical effects and advantages of the utility model are:

[0014] In the utility model, by pulling the handle, the handle drives two sliding blocks to move, and the two sliding blocks respectively drive two steel ropes to move, and the steel rope drives the sliding rod to move under the action of the guide wheel, and the sliding rod drives the limiting ring to move, and the limiting ring drives the latch to move, so that the latch shrinks into the shrinkage groove to unlock the connection between the fire hydrant door body and the box body. At this time, the two sliding blocks drive the handle to move through the secondary spring, and the handle drives the fire hydrant door body to open. When the fire hydrant door body needs to be closed, the handle is pushed, and the handle drives the fire hydrant door body to move, and the fire hydrant door body drives the two latches to squeeze the inner wall of the box body to shrink the latch, and when the latch moves into the slot, the limiting ring is driven to move by the primary spring, and the limiting ring drives the latch, and the latch is inserted into the slot to complete the locking of the fire hydrant door body, thereby achieving the effect of quickly locking or releasing the seal of the fire hydrant door body. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0017] Figure 2 This is a schematic diagram of the fire hydrant door body and its related structures of the utility model;

[0018] Figure 3 It is a schematic diagram of the cutaway structure of the fire hydrant door body of the utility model;

[0019] Figure 4 It is a partial structural schematic diagram of the box body of the utility model.

[0020] In the figure: 1. Box body; 2. Fire hydrant door body; 3. Handle; 4. Limit ring; 5. Latch; 6. Limit cover; 7. Primary spring; 8. Guide wheel; 9. Steel rope; 10. Sliding block; 11. Secondary spring; 12. Handle; 13. Slot; 14. Primary sealing strip; 15. Secondary sealing strip; 16. Primary rotating shaft; 17. Connecting block; 18. Secondary rotating shaft; 19. Fixed block; 20. Sliding rod. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 , the utility model provides embodiments:

[0023] The invisible fire hydrant door opens with a double-axis structure, including a box body 1, a fire hydrant door body 2 is rotatably installed on one side of the box body 1 through a double-axis assembly, two contraction grooves are provided on one side of the fire hydrant door body 2, and an installation groove is provided on the inner wall of the contraction groove. A limit ring 4 is slidably installed in the installation groove, and a latch 5 is fixedly installed on one side of the limit ring 4. A slot 13 is provided on one side of the box body 1, and the slot 13 is adapted to the latch 5. A slide rod 20 is fixedly installed on the limit ring 4, a limit cover 6 is fixedly installed in the installation groove, the slide rod 20 is slidably installed on the limit cover 6, and a primary spring 7 is sleeved on the surface of the slide rod 20.

[0024] Based on the above structure, two contraction grooves are provided in the contact area between the fire hydrant door body 2 and the box body 1, and are evenly spaced up and down. Pins 5 are installed in the contraction grooves. When the device is in use, by pushing the fire hydrant door body 2, the fire hydrant door body 2 drives the two pins 5 to squeeze the inner wall of the box body 1, so that the pins 5 shrink. When the pins 5 move into the slot 13, the limiting ring 4 is driven to move by the primary spring 7, and the limiting ring 4 drives the pin 5 to be inserted into the slot 13, thereby completing the locking of the fire hydrant door body 2.

[0025] like Figure 2 and 3 As shown, a movable groove is provided on the surface of the fire hydrant door body 2, and the movable groove is connected with the installation groove. A guide wheel 8 is rotatably installed in the movable groove. A steel rope 9 is installed at the other end of the slide rod 20, and the steel rope 9 corresponds to the guide wheel 8. The steel rope 9 realizes vertical angle movement under the action of the guide wheel 8. When the steel rope 9 is pulled, one end of the slide rod 20 can be pulled out in parallel, saving the force required for pulling.

[0026] like Figure 3 As shown, a handle 3 is fixedly installed on the surface of the fire hydrant door body 2, and adjustment grooves are opened on the inner walls on both sides of the handle 3. Sliding blocks 10 are slidably installed in the two adjusting grooves, and the other end of the steel rope 9 is fixedly installed on one side of the sliding block 10.

[0027] like Figure 3 As shown, a secondary spring 11 is fixedly installed on the other side of the sliding block 10, and the other end of the secondary spring 11 is fixedly installed on the inner wall of the adjusting groove. The same handle 12 is fixedly installed on the opposite surfaces of the two sliding blocks 10. The secondary spring 11 is used to limit the sliding block 10 to prevent it from moving and pulling the steel rope 9 by itself.

[0028] Pull the handle 12, the handle 12 drives the two sliding blocks 10 to move, the two sliding blocks 10 respectively drive the two steel ropes 9 to move, the steel ropes 9 drive the slide bar 20 to move under the action of the guide wheel 8, the slide bar 20 drives the limit ring 4 to move, the limit ring 4 drives the latch 5 to move, so that the latch 5 shrinks into the shrinkage groove to unlock the connection between the fire hydrant door body 2 and the box body 1, at this time, the two sliding blocks 10 drive the handle 3 to move through the secondary spring 11, and the handle 3 drives the fire hydrant door body 2 to open

[0029] like Figure 1As shown, the double-axis assembly includes a primary rotating shaft 16, which is fixedly installed on the inner wall of the box body 1 through two mounting ears, a connecting block 17 is rotatably installed on the surface of the primary rotating shaft 16, and a secondary rotating shaft 18 is rotatably installed on the inner wall of the connecting block 17, and two fixed blocks 19 are rotatably installed on the surface of the secondary rotating shaft 18, one side of the two fixed blocks 19 is fixedly connected to one side of the fire hydrant door body 2. When the fire hydrant door body 2 is opened, the connecting block 17 will be driven to rotate by the primary rotating shaft 16 first, so that the fire hydrant door body 2 and the box body 1 are opened at 90°, and the fire hydrant door body 2 is continued to be pulled, and the two fixed blocks 19 are driven to rotate by the secondary rotating shaft 18 on the connecting block 17, and the fixed block 19 drives the fire hydrant door body 2 to continue to rotate 90°, thereby achieving the effect of opening the fire hydrant door body 2 180°.

[0030] like Figure 1 As shown, a secondary sealing strip 15 is installed on one side of the fire hydrant door body 2, and a sealing groove is opened on the inner wall of the box body 1, and the sealing groove corresponds to the secondary sealing strip 15.

[0031] like Figure 4 As shown, a primary sealing strip 14 is fixedly installed in the sealing groove, and the primary sealing strip 14 corresponds to the secondary sealing strip 15. When the fire hydrant door body 2 is closed, the secondary sealing strip 15 will be squeezed into the sealing groove and fit with the primary sealing strip in the sealing groove, thereby sealing the interior of the box body 1 to prevent dust from entering.

[0032] Finally, it should be noted that the above are only preferred embodiments of the present invention and are not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. The invisible fire hydrant door opening double-axis structure comprises a box body (1), characterized in that: A fire hydrant door body (2) is rotatably mounted on one side of the housing (1) via a dual-axis assembly. Two contraction grooves are provided on one side of the fire hydrant door body (2). An installation groove is provided on the inner wall of the contraction groove. A limit ring (4) is slidably mounted in the installation groove. A latch (5) is fixedly mounted on one side of the limit ring (4). A slot (13) is provided on one side of the housing (1). The slot (13) is compatible with the latch (5). A slide rod (20) is fixedly mounted on the limit ring (4). A limit cover (6) is fixedly mounted in the installation groove. The slide rod (20) is slidably mounted on the limit cover (6). A primary spring (7) is sleeved on the surface of the slide rod (20).

2. The double-axis opening structure of the invisible fire hydrant door according to claim 1 is characterized in that: A movable groove is provided on the surface of the fire hydrant door body (2), the movable groove is connected to the mounting groove, a guide wheel (8) is rotatably mounted in the movable groove, a steel rope (9) is mounted on the other end of the slide rod (20), and the steel rope (9) corresponds to the guide wheel (8).

3. The double-axis opening structure of the invisible fire hydrant door according to claim 2 is characterized by: A handle (3) is fixedly mounted on the surface of the fire hydrant door body (2), and adjustment grooves are provided on the inner walls on both sides of the handle (3). Sliding blocks (10) are slidably mounted in the two adjusting grooves, and the other end of the steel rope (9) is fixedly mounted on one side of the sliding block (10).

4. The double-axis opening structure of the invisible fire hydrant door according to claim 3 is characterized by: A secondary spring (11) is fixedly mounted on the other side of the sliding block (10), and the other end of the secondary spring (11) is fixedly mounted on the inner wall of the adjustment slot. The same handle (12) is fixedly mounted on the opposite surfaces of the two sliding blocks (10).

5. The double-axis opening structure of the invisible fire hydrant door according to claim 1 is characterized in that: The double-axis assembly comprises a primary rotating shaft (16), the primary rotating shaft (16) being fixedly mounted on the inner wall of the box body (1) via two mounting ears, a connecting block (17) being rotatably mounted on the surface of the primary rotating shaft (16), a secondary rotating shaft (18) being rotatably mounted on the inner wall of the connecting block (17), two fixing blocks (19) being rotatably mounted on the surface of the secondary rotating shaft (18), one side of the two fixing blocks (19) being fixedly connected to one side of the fire hydrant door body (2).

6. The double-axis opening structure of the invisible fire hydrant door according to claim 1 is characterized by: A secondary sealing strip (15) is installed on one side of the fire hydrant door body (2), and a sealing groove is provided on the inner wall of the box body (1), the sealing groove corresponding to the secondary sealing strip (15).

7. The double-axis opening structure of the invisible fire hydrant door according to claim 6 is characterized in that: A primary sealing strip (14) is fixedly installed in the sealing groove, and the primary sealing strip (14) corresponds to the secondary sealing strip (15).

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