Integrated fire extinguisher head and fire extinguisher

Abstract

The utility model discloses an integrated fire extinguisher head and a fire extinguisher, and relates to the technical field of fire extinguishers, the integrated fire extinguisher head comprises a head body assembly and a handle assembly, the head body assembly comprises a first interface, a second interface, a third interface and a connecting part; the handle component is connected with the device head body assembly through the connecting part; the first interface, the second interface, the third interface and the connecting part are integrally formed; a first check valve is arranged in the first interface; a second check valve is arranged in the second interface; a valve rod is installed in the third connector. The fire extinguisher comprises an integrated fire extinguisher head and a fire extinguisher body. According to the utility model, the traditional independently arranged one-way valve structure is improved to be integrated into the device head body, and one one-way valve is correspondingly arranged in a plurality of interfaces arranged on the device head body assembly, so that the device head body assembly and the one-way valve form a whole, the cost is reduced, and the working procedures are reduced; meanwhile, waste is reduced, and replacement is more convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of fire extinguishers, in particular to an integrated fire extinguisher head and a fire extinguisher. Background Art

[0002] At present, the management mode of portable fire extinguishers is to regularly check the key indicator of the fire extinguisher, "the pressure of the driving gas", that is, the pointer of the pressure indicator should be in the green area of ​​the dial. When the key indicator of the portable fire extinguisher, "the pressure of the driving gas", leaks to the specified pressure of 1.0MPA or below, and the pointer of the pressure gauge is in the red area of ​​the dial, it should be replaced and inflated in time.

[0003] In addition, the current portable fire extinguishers are mechanically designed. When replacing the pressure indicator on the head of the traditional fire extinguisher, the fire extinguisher needs to be deflated before it can be replaced, which causes waste.

[0004] Therefore, it is necessary to design a fire extinguishing device with an integrated structure, which can reduce the number of replacements and ensure the efficiency of inspection. Utility Model Content

[0005] In order to solve the above problems existing in the prior art, the utility model provides an integrated fire extinguisher head and a fire extinguisher.

[0006] In order to achieve the purpose of the utility model, the technical solution adopted by the utility model is:

[0007] An integrated fire extinguisher head includes a head body assembly and a handle assembly, wherein the head body assembly includes a first interface, a second interface, a third interface and a connecting portion; the handle assembly is connected to the head body assembly via the connecting portion; and the first interface, the second interface, the third interface and the connecting portion are integrally formed; the first interface has a first one-way valve built in, and the second interface has a second one-way valve built in; and a valve stem is installed in the third interface.

[0008] Based on the above technical solution, further, the handle assembly includes an upper handle and a lower handle, the end of the upper handle is provided with two upper protrusions, each of the upper protrusions is respectively provided with a first upper pin hole, the end of the lower handle is provided with two lower protrusions, a mounting gap is provided between the two lower protrusions, and each of the lower protrusions is respectively provided with a first lower pin hole, the connecting part is provided with a mounting hole, and the connecting part is located between the mounting gaps, and the upper handle, the lower handle and the connecting part are connected by passing the pin through the first upper pin hole, the mounting hole and the first lower pin hole.

[0009] Based on the above technical solution, further, it also includes a fourth interface, the head body assembly is provided with a accommodating cavity inside, and the interiors of the first interface, the second interface, the third interface, and the fourth interface are all connected to the interior of the accommodating cavity.

[0010] Based on the above technical solution, further, the top of the valve stem is located between the upper handle and the lower handle, and the bottom of the valve stem extends into the accommodating cavity.

[0011] Based on the above technical solution, further, the first interface is connected to a sensor, wherein the sensor includes but is not limited to a pressure sensor, a temperature sensor and a power sensor, the second interface is connected to a pressure indicator, and the fourth interface is connected to a nozzle.

[0012] Based on the above technical solution, further, it also includes a fifth interface, the interior of the fifth interface is connected to the accommodating cavity, and the exterior of the fifth interface is provided with a threaded structure.

[0013] Based on the above technical solution, further, it also includes a safety pin, the upper protrusion is also provided with a second upper pin hole, the lower protrusion is provided with a second lower pin hole, and the safety pin passes through the second upper pin hole and the second lower pin hole.

[0014] Based on the above technical solution, further, the safety pin includes a ring portion and a rod portion, the ring portion and the rod portion are connected by integral molding or welding, and one end of the rod portion passes through the second upper pin hole and the second lower pin hole to fix the upper handle and the lower handle, and the ring portion is located on the outside of the upper handle.

[0015] A fire extinguisher comprises an integrated fire extinguisher head and a fire extinguisher body. The integrated fire extinguisher head is connected to the fire extinguisher body through a sealing member.

[0016] Based on the above technical solution, further, the sealing member is a sealing ring.

[0017] Compared with the prior art, the beneficial effects of the present invention are specifically embodied in:

[0018] The utility model improves the traditional independently arranged one-way valve structure into one integrated into the head body, and a one-way valve is built into each of the multiple interfaces arranged on the head body assembly, so that the multiple interfaces are integrated into one whole, thereby reducing the cost and process steps, reducing waste and making replacement more convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the assembly structure of the integrated fire extinguisher head of the utility model;

[0020] Figure 2 It is a partial exploded view of the head of the integrated fire extinguisher of the utility model;

[0021] Figure 3 It is a cross-sectional view of the head body of the utility model;

[0022] Figure 4 It is a simple schematic diagram of part of the structure of the fire extinguisher of the utility model;

[0023] Figure numerals: 1. handle assembly; 2. head body assembly; 3. upper handle; 4. lower handle; 5. first interface; 6. second interface; 7. third interface; 8. fourth interface; 9. fifth interface; 10. valve stem; 11. first one-way valve; 12. second one-way valve; 13. sealing member; 14. connecting portion; 15. upper protrusion; 16. lower protrusion; 17. safety pin; 18. pin; 19. fire extinguisher body; 20. sensor; 21. pressure indicator. DETAILED DESCRIPTION

[0024] The present invention is further described and illustrated below in conjunction with the accompanying drawings and specific implementations. The technical features of each implementation of the present invention can be combined accordingly without conflicting with each other.

[0025] In order to make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the specific implementation methods of the utility model are described in detail below in conjunction with the accompanying drawings. In the following description, many specific details are set forth to facilitate a full understanding of the utility model. However, the utility model can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without violating the connotation of the utility model. Therefore, the utility model is not limited by the specific embodiments disclosed below. The technical features in each embodiment of the utility model can be combined accordingly without conflicting with each other.

[0026] In the description of the present utility model, it is necessary to understand that when an element is considered to be "connected" to another element, it can be directly connected to another element or indirectly connected, that is, there are intermediate elements. On the contrary, when an element is said to be "directly" connected to another element, there are no intermediate elements.

[0027] In the description of the present utility model, it should be understood that the terms "first" and "second" are only used for the purpose of distinguishing descriptions, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features.

[0028] Example

[0029] This embodiment provides an integrated fire extinguisher head. Figure 1-Figure 3As shown, the fire extinguisher head includes a head body assembly 2 and a handle assembly 1, wherein the head body assembly 2 includes a first interface 5, a second interface 6, a third interface 7 and a connecting portion 14; the handle assembly 1 is connected to the head body assembly 2 via the connecting portion 14; and the first interface 5, the second interface 6, the third interface 7 and the connecting portion 14 are integrally formed; the first interface 5 has a built-in first check valve 11, and the second interface 6 has a built-in second check valve 12; a valve stem 10 is installed in the third interface 7. Among them, the first check valve 11 and the second check valve 12 have the same structure, specifically, the built-in first check valve and the second check valve both include a fixed part and a movable part, wherein the fixed part is fixed inside the head body by threads. The movable part can be opened and closed inside the fixed part according to different working states to achieve the purpose of opening and closing.

[0030] The handle assembly 1 includes an upper handle 3 and a lower handle 4. Two upper protrusions 15 are provided at the end of the upper handle 3, and each upper protrusion 15 is provided with a first upper pin hole. Two lower protrusions 16 are provided at the end of the lower handle 4. A mounting gap is provided between the two lower protrusions 16, and each lower protrusion 16 is provided with a first lower pin hole. The connecting part 14 is provided with a mounting hole, and the connecting part 14 is located between the mounting gaps. The upper handle 3, the lower handle 4 and the connecting part 14 are connected by passing the pin 18 through the first upper pin hole, the mounting hole and the first lower pin hole.

[0031] The integrated fire extinguisher head also includes a fourth interface 8 and a fifth interface 9. The head body assembly 2 is provided with a receiving chamber. The first interface 5, the second interface 6, the third interface 7, the fourth interface 8, and the fifth interface 9 are all connected to the interior of the receiving chamber, wherein the fifth interface 9, the fourth interface 8, the first interface 5, the second interface 6, and the third interface 7 are also integrally formed, and the fifth interface 9 is provided with a threaded structure on the outside. The threaded interface is provided to facilitate threaded connection with the fire extinguisher body 19, ensuring convenient loading and unloading and sealing. The top of the valve stem 10 is located between the upper handle 3 and the lower handle 4, and the bottom of the valve stem 10 extends to the interior of the receiving chamber. Specifically, the first interface 5 is connected to the sensor 20, wherein the sensor 20 includes but is not limited to a pressure sensor, a temperature sensor, and a power sensor, the second interface 6 is connected to the pressure indicator 21, and the fourth interface 8 is connected to the nozzle.

[0032] The integrated fire extinguisher head also includes a safety pin 17, the upper protrusion 15 is also provided with a second upper pin hole, the lower protrusion 16 is provided with a second lower pin hole, and the safety pin 17 passes through the second upper pin hole and the second lower pin hole. The safety pin 17 includes a ring portion and a rod portion, the ring portion and the rod portion are connected by integral molding or welding, and one end of the rod portion passes through the second upper pin hole and the second lower pin hole to fix the upper handle 3 and the lower handle 4, and the ring portion is located on the outside of the upper handle 3.

[0033] Combination Figure 4As shown, this embodiment provides a fire extinguisher, including an integrated fire extinguisher head and a fire extinguisher body 19, wherein the integrated fire extinguisher head is threadedly connected to the fire extinguisher body 19 through a seal 13. The seal 13 is a sealing ring, which can play a role in sealingly connecting the fire extinguisher head and the fire extinguisher body 19.

[0034] The working principle of this device is:

[0035] Before the sensor 20 is installed, the first one-way valve 11 closes the interface to prevent air leakage; after the sensor 20 is installed, the airway is automatically connected to ensure that the sensor 20 can connect to the pressure in the bottle; when replacing the sensor 20, there is no need to release the driving gas in the bottle.

[0036] Before the pressure indicator 21 is installed, the second one-way valve 12 closes the interface to prevent air leakage; after the pressure indicator is installed, the airway is automatically connected to ensure that the pressure indicator can connect to the pressure in the bottle; when replacing the pressure indicator, there is no need to release the driving gas in the bottle.

[0037] The above is only an implementation method of the utility model, and its description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. An integrated fire extinguisher head, characterized in that: Including the head body assembly and the handle assembly, The head body assembly includes a first interface, a second interface, a third interface and a connecting portion; The handle assembly is connected to the head body assembly through a connecting portion; The first interface, the second interface, the third interface and the connecting portion are integrally formed; The first interface has a built-in first one-way valve, and the second interface has a built-in second one-way valve; A valve stem is installed in the third interface.

2. The integrated fire extinguisher head according to claim 1, characterized in that: The handle assembly includes an upper handle and a lower handle, the end of the upper handle is provided with two upper protrusions, each of which is provided with a first upper pin hole, the end of the lower handle is provided with two lower protrusions, a mounting gap is provided between the two lower protrusions, and each of the lower protrusions is provided with a first lower pin hole, the connecting part is provided with a mounting hole, and the connecting part is located between the mounting gaps, and the upper handle, the lower handle and the connecting part are connected by passing a pin through the first upper pin hole, the mounting hole and the first lower pin hole.

3. The integrated fire extinguisher head according to claim 1, characterized in that: It also includes a fourth interface. A accommodating cavity is provided inside the head body assembly. The interiors of the first interface, the second interface, the third interface, and the fourth interface are all connected to the interior of the accommodating cavity.

4. The integrated fire extinguisher head according to claim 3, characterized in that: The top of the valve stem is located between the upper handle and the lower handle, and the bottom of the valve stem extends into the accommodating cavity.

5. The integrated fire extinguisher head according to claim 3, characterized in that: The first interface is connected to a sensor, the second interface is connected to a pressure indicator, and the fourth interface is connected to a nozzle.

6. The integrated fire extinguisher head according to claim 3, characterized in that: It also includes a fifth interface, the interior of the fifth interface is communicated with the accommodating cavity, and the exterior of the fifth interface is provided with a threaded structure.

7. The integrated fire extinguisher head according to claim 2, characterized in that: It also includes a safety pin, the upper protrusion is further provided with a second upper pin hole, the lower protrusion is provided with a second lower pin hole, and the safety pin passes through the second upper pin hole and the second lower pin hole.

8. The integrated fire extinguisher head according to claim 7, characterized in that: The safety pin includes a ring portion and a rod portion, the ring portion and the rod portion are connected by integral molding or welding, and one end of the rod portion passes through the second upper pin hole and the second lower pin hole to fix the upper handle and the lower handle, and the ring portion is located on the outside of the upper handle.

9. A fire extinguisher, characterized in that: The invention comprises an integrated fire extinguisher head as claimed in any one of claims 1 to 8, and also comprises a fire extinguisher body, wherein the integrated fire extinguisher head is connected to the fire extinguisher body through a sealing member.

10. A fire extinguisher according to claim 9, characterized in that: The sealing member is a sealing ring.

Images