Sealing anti-seepage structure of fire valve

Abstract

The sealing anti-leakage structure comprises a valve body and a water pipe, the left side and the right side of the valve body are fixedly connected with second flange plates, the water pipe is provided with a first flange plate, the left end and the right end of the upper face and the right end of the lower face of the valve body are fixedly connected with shells, and grooves are formed in inner cavities of the shells. A threaded rod is rotationally connected to an inner cavity of the groove through a bearing, a threaded sleeve is in threaded connection to the outer surface of the threaded rod, a connecting plate is fixedly connected to the side face of the threaded sleeve, and a semicircular clamping plate is fixedly connected to the bottom of the connecting plate. By means of the motor, the semicircular clamping plate, the threaded rod, the threaded sleeve, the guide groove and the guide block, the sealing and leakage preventing effects can be achieved, water leakage in the long-time using process is avoided, the sealing effect can be further improved through the installation groove, the sealing gasket, the insertion groove and the insertion block, and the first flange plate and the second flange plate can be fixedly connected.

Description

Technical Field

[0001] The utility model relates to the technical field of fire valves, in particular to a sealing and anti-leakage structure of a fire valve. Background Art

[0002] Fire valve is an important accessory for industrial and building pipeline control. It is mainly composed of valve body, opening and closing mechanism, and valve cover, and has the characteristics of simple structure and reliable sealing. There are many types of fire valves, including but not limited to fire extinguishing gate valves, butterfly valves, automatic exhaust valves, automatic pressure relief valves, alarm valve groups, safety valves, etc. The application of these valves in fire protection systems is very critical because they can effectively control the flow of water or other fire extinguishing media in emergency situations, thereby protecting the safety of personnel and property. However, the current fire valves have poor sealing and anti-leakage effects, which leads to easy leakage during use. For this reason, we propose a sealing and anti-leakage structure for fire valves. Utility Model Content

[0003] The utility model aims to provide a sealing and anti-leakage structure for a fire valve, which has the advantage of good sealing and anti-leakage effect, and solves the problem that the sealing and anti-leakage effect of existing fire valves is poor, resulting in easy leakage during use.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sealing and anti-leakage structure of a fire valve, comprising a valve body and a water pipe, the left and right sides of the valve body are fixedly connected with a second flange, the water pipe is provided with a first flange, the left and right ends of the upper and lower surfaces of the valve body are fixedly connected with a shell, the inner cavity of the shell is provided with a groove, the inner cavity of the groove is rotatably connected with a threaded rod through a bearing, the outer surface of the threaded rod is threadedly connected with a threaded sleeve, the side of the threaded sleeve is fixedly connected with a connecting plate, the bottom of the connecting plate is fixedly connected with a semicircular clamping plate, the top of the shell is fixedly connected with a motor, and the output shaft of the motor is fixedly connected to the threaded rod.

[0005] Preferably, slots are provided on the first flange and the second flange, plug blocks are fixedly connected to the left and right ends of the inner wall of the semicircular clamp, the plug blocks are fixedly connected to the inner cavity of the slots, an installation groove is provided at the middle end of the inner wall of the semicircular clamp, a sealing gasket is provided in the inner cavity of the installation groove, and the sealing gasket is located at the joint of the first flange and the second flange.

[0006] Preferably, a turning handle is provided on the top of the valve stem of the valve body, and an outer surface of the turning handle is provided with anti-slip patterns.

[0007] Preferably, a battery box is fixedly connected to the front side of the valve body, and a storage battery is fixedly connected to the inner cavity of the battery box.

[0008] Preferably, a guide groove is provided on the side of the inner cavity of the groove, a guide block is fixedly connected to the side of the threaded sleeve, and the guide block is slidably connected to the inner cavity of the guide groove.

[0009] Preferably, a PLC controller is fixedly connected to the right end of the front side of the valve body, and the output end of the PLC controller is electrically connected to the input end of the motor.

[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0011] 1. The utility model can achieve the effect of sealing and anti-leakage through the motor, semicircular clamping plate, threaded rod, threaded sleeve, guide groove and guide block, thereby avoiding water leakage during long-term use.

[0012] 2. The utility model can further improve the sealing effect and can fix the first flange and the second flange together by installing the groove, the sealing gasket, the slot and the insert. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a schematic diagram of the structure of the utility model;

[0014] Figure 2 This is a schematic diagram of the main cross-sectional structure of the utility model;

[0015] Figure 3 It is a schematic diagram of the enlarged structure of point A of the utility model.

[0016] In the figure: 1. valve body; 2. shell; 3. handle; 4. motor; 5. groove; 6. connecting plate; 7. semicircular clamping plate; 8. water pipe; 9. PLC controller; 10. battery box; 11. threaded rod; 12. threaded sleeve; 13. guide groove; 14. guide block; 15. mounting groove; 16. sealing gasket; 17. slot; 18. plug-in block; 19. first flange; 20. second flange. DETAILED DESCRIPTION

[0017] 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.

[0018] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure or characteristic that may be included in at least one implementation of the present invention. The term "in one embodiment" that appears in different places in this specification does not necessarily refer to the same embodiment, nor does it refer to a separate or selective embodiment that is mutually exclusive with other embodiments.

[0019] Embodiment 1:

[0020] See also Figure 1-3 As shown, the utility model provides a sealing and anti-leakage structure of a fire valve, including a valve body 1 and a water pipe 8, the left and right sides of the valve body 1 are fixedly connected with a second flange 20, the water pipe 8 is provided with a first flange 19, the left and right ends of the upper and lower surfaces of the valve body 1 are fixedly connected with a shell 2, the inner cavity of the shell 2 is provided with a groove 5, the inner cavity of the groove 5 is rotatably connected with a threaded rod 11 through a bearing, the outer surface of the threaded rod 11 is threadedly connected with a threaded sleeve 12, the side of the threaded sleeve 12 is fixedly connected with a connecting plate 6, the bottom of the connecting plate 6 is fixedly connected with a semicircular clamping plate 7, the top of the shell 2 is fixedly connected with a motor 4, the output shaft of the motor 4 is fixedly connected to the threaded rod 11, the side of the inner cavity of the groove 5 is provided with a guide groove 13, the side of the threaded sleeve 12 is fixedly connected with a guide block 14, and the guide block 14 is slidably connected to the inner cavity of the guide groove 13.

[0021] The technical solution is provided with a motor 4, which can drive the threaded rod 11 to rotate, and with the cooperation of the guide groove 13 and the guide block 14, the threaded sleeve 12 can be moved up and down, and with the cooperation of the connecting plate 6, the semicircular clamping plate 7 can clamp and seal the first flange 19 and the second flange 20, thereby playing a role in sealing and preventing leakage.

[0022] Embodiment 2:

[0023] On the basis of embodiment 1, the present invention is as follows Figure 1-3 As shown, a slot 17 is disclosed on the first flange 19 and the second flange 20, and plug blocks 18 are fixedly connected to the left and right ends of the inner wall of the semicircular clamp 7, and the plug blocks 18 are fixedly connected to the inner cavity of the slot 17. A mounting groove 15 is provided at the middle end of the inner wall of the semicircular clamp 7, and a sealing gasket 16 is provided in the inner cavity of the mounting groove 15. The sealing gasket 16 is located at the joint of the first flange 19 and the second flange 20. A turning handle 3 is provided on the top of the valve stem of the valve body 1, and the outer surface of the turning handle 3 is provided with anti-slip grooves. A battery box 10 is fixedly connected to the front of the valve body 1, and a battery is fixedly connected to the inner cavity of the battery box 10. A PLC controller 9 is fixedly connected to the right end of the front of the valve body 1, and the output end of the PLC controller 9 is electrically connected to the input end of the motor 4.

[0024] The technical solution is provided with an insert block 18, which can be inserted into the slot 17 when the semicircular clamp 7 clamps and seals the first flange 19 and the second flange 20, so as to play a fixing role and fix the first flange 19 and the second flange 20. The sealing gasket 16 is used to block the joint between the first flange 19 and the second flange 20, so as to further improve the sealing and anti-leakage effect.

[0025] The working principle of the utility model is as follows: a motor 4 is provided to drive the threaded rod 11 to rotate, and with the cooperation of the guide groove 13 and the guide block 14, the threaded sleeve 12 can be moved up and down, and with the cooperation of the connecting plate 6, the semicircular clamping plate 7 can clamp and seal the first flange 19 and the second flange 20, thereby playing a role of sealing and anti-leakage, and an insert block 18 is provided, which can be inserted into the slot 17 when the semicircular clamping plate 7 clamps and seals the first flange 19 and the second flange 20, thereby playing a fixing role, and the first flange 19 and the second flange 20 can be fixed, and a sealing gasket 16 can be used to block the joint between the first flange 19 and the second flange 20, thereby further improving the sealing and anti-leakage effect.

[0026] Importantly, it should be noted that the construction and arrangement of the present application shown in a number of different exemplary embodiments are only exemplary. Although only a few embodiments are described in detail in this disclosure, it should be readily understood by those who refer to this disclosure that many modifications are possible (e.g., the size, scale, structure, shape and proportion of various elements, and parameter values ​​(e.g., temperature, pressure, etc.), mounting arrangements, use of materials, color, directional changes, etc.) without substantially departing from the novel teachings and advantages of the subject matter described in the application. For example, an element shown as integrally formed may be composed of multiple parts or elements, the position of the element may be inverted or otherwise changed, and the nature or number or position of the discrete element may be changed or changed. Therefore, all such modifications are intended to be included in the scope of the present utility model. The order or sequence of any process or method steps may be changed or reordered according to alternative embodiments. In the claims, any "device plus function" clause is intended to cover the structure described herein that performs the function, and is not only structurally equivalent but also an equivalent structure. Without departing from the scope of the present invention, other substitutions, modifications, changes and omissions may be made in the design, operating conditions and arrangement of the exemplary embodiments. Therefore, the present invention is not limited to a specific embodiment, but extends to various modifications that still fall within the scope of the appended claims.

[0027] Additionally, in order to provide a concise description of example embodiments, all features of an actual embodiment may not be described (ie, those features that are not relevant to the best mode presently contemplated for carrying out the invention or those that are not relevant to implementing the invention).

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A sealing and anti-leakage structure for a fire valve, comprising a valve body (1) and a water pipe (8), characterized in that: The left and right sides of the valve body (1) are fixedly connected to second flanges (20), the water pipe (8) is provided with a first flange (19), the left and right ends of the upper and lower surfaces of the valve body (1) are fixedly connected to a housing (2), the inner cavity of the housing (2) is provided with a groove (5), the inner cavity of the groove (5) is rotatably connected to a threaded rod (11) through a bearing, the outer surface of the threaded rod (11) is threadedly connected to a threaded sleeve (12), the side of the threaded sleeve (12) is fixedly connected to a connecting plate (6), the bottom of the connecting plate (6) is fixedly connected to a semicircular clamping plate (7), the top of the housing (2) is fixedly connected to a motor (4), and the output shaft of the motor (4) is fixedly connected to the threaded rod (11).

2. The sealing and anti-leakage structure of a fire valve according to claim 1, characterized in that: The first flange (19) and the second flange (20) are both provided with slots (17), the left and right ends of the inner wall of the semicircular clamp (7) are fixedly connected with plug blocks (18), the plug blocks (18) are fixedly connected to the inner cavity of the slots (17), the middle end of the inner wall of the semicircular clamp (7) is provided with a mounting groove (15), the inner cavity of the mounting groove (15) is provided with a sealing gasket (16), and the sealing gasket (16) is located at the joint between the first flange (19) and the second flange (20).

3. The sealing and anti-leakage structure of a fire valve according to claim 1, characterized in that: A turning handle (3) is provided at the top of the valve stem of the valve body (1), and an outer surface of the turning handle (3) is provided with anti-slip patterns.

4. The sealing and anti-leakage structure of a fire valve according to claim 1, characterized in that: The front surface of the valve body (1) is fixedly connected to a battery box (10), and the inner cavity of the battery box (10) is fixedly connected to a storage battery.

5. The sealing and anti-leakage structure of a fire valve according to claim 1, characterized in that: A guide groove (13) is provided on the side of the inner cavity of the groove (5), a guide block (14) is fixedly connected to the side of the threaded sleeve (12), and the guide block (14) is slidably connected to the inner cavity of the guide groove (13).

6. The sealing and anti-leakage structure of a fire valve according to claim 1, characterized in that: A PLC controller (9) is fixedly connected to the right end of the front face of the valve body (1), and an output end of the PLC controller (9) is electrically connected to an input end of the motor (4).

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