CN-224215970-U - Contact chamber sealing safety mechanism

Abstract

The utility model relates to a contact chamber sealing safety mechanism which comprises a fuse body, wherein a safety pin cavity and a sealing cavity are arranged in the fuse body, a safety pin is arranged in the safety pin cavity, a sealing cap is arranged at the top of the sealing cavity, a gasket is arranged under the sealing cap, and a sealing screw is arranged in the sealing cavity.

Inventors

• LIU GUOFENG
• WANG FENG
• LI JIAZHENG
• YUAN XINGXING

Assignees

• 南京威翔科技有限公司

Dates

Publication Date

20260508

Application Date

20250731

Claims (7)

1. 1. A contact chamber sealing safety mechanism is characterized by comprising, Fuse body (3), be provided with insurance round pin chamber (33) and seal chamber (34) in fuse body (3), be provided with insurance round pin (1) in insurance round pin chamber (33), seal chamber (34) top is provided with sealed cap (4), be provided with gasket (5) under sealed cap (4), be provided with seal screw (6) in seal chamber (34).
2. 2. The contact chamber sealing safety mechanism according to claim 1, wherein the safety pin (1) comprises a jacking column (12) and a step plate (13) arranged on the jacking column (12), and a safety pin cap (11) is arranged at the top of the safety pin (1).
3. 3. The contact chamber sealing safety mechanism according to claim 2, wherein the top column (12) is sleeved with a safety pin spring (2), and the safety pin spring (2) is connected with the step plate (13) and the top surface of the safety pin cavity (33).
4. 4. The contact chamber sealing safety mechanism according to claim 3, wherein a bottom cavity (37) is further arranged in the fuse body (3), and a first pin hole (35) penetrating through the bottom cavity (37) is arranged on the side face of the fuse body (3).
5. 5. The contact chamber sealing safety mechanism according to claim 4, wherein a bottom limiting body (9) is arranged in the bottom cavity (37), an inner cavity (92) is arranged in the bottom limiting body (9), an inner column (91) is arranged in the inner cavity (92), and a second pin hole (94) is formed in the bottom limiting body (9) in a penetrating mode from the side face.
6. 6. The contact chamber seal safety mechanism according to claim 5, further comprising a process assembly pin (8), the process assembly pin (8) disposed through the first pin bore (35) and the second pin bore (94).
7. 7. The contact chamber sealing safety mechanism according to claim 6, wherein a conical spring (7) is arranged in the inner cavity (92), a small end face of the conical spring (7) is contacted with an inner cavity end face (93) of the bottom limiting body (9), and a large end face of the conical spring (7) is contacted with a bottom end face of the sealing screw (6).

Description

Contact chamber sealing safety mechanism Technical Field The utility model belongs to the technical field of fuse insurance, and particularly relates to a contact chamber sealing insurance mechanism. Background The safety mechanism for throwing bullet and guiding messenger has the operation principle that the action of changing environmental force during throwing ammunition releases the constraint of the action part of the safety mechanism, and through the physical action of the action part, the safety mechanism is converted into the switching action of electronic part or makes the mechanical structure in some required state to reach the requirement. Disclosure of utility model This section is intended to outline some aspects of embodiments of the utility model and to briefly introduce some preferred embodiments. Some simplifications or omissions may be made in this section as well as in the description of the utility model and in the title of the utility model, which may not be used to limit the scope of the utility model. In view of the technical problems in the prior art that the sealing performance is difficult to maintain before and after the disassembly in the prior art. In order to solve the technical problems, the utility model provides the technical scheme that the contact chamber sealing safety mechanism comprises a fuze body, wherein a safety pin cavity and a sealing cavity are arranged in the fuze body, a safety pin is arranged in the safety pin cavity, a sealing cap is arranged at the top of the sealing cavity, a gasket is arranged under the sealing cap, and a sealing screw is arranged in the sealing cavity. As a preferable technical scheme of the contact chamber sealing safety mechanism, the safety pin comprises a jacking column and a step plate arranged on the jacking column, and a safety pin cap is arranged at the top of the safety pin. As a preferable technical scheme of the contact chamber sealing safety mechanism, the ejector post is sleeved with a safety pin spring, and the safety pin spring is connected with the step plate and the top surface of the safety pin cavity. As an optimized technical scheme of the contact chamber sealing safety mechanism, a bottom cavity is further formed in the fuse body, and a first pin hole penetrating through the bottom cavity is formed in the side face of the fuse body. As an optimized technical scheme of the contact chamber sealing safety mechanism, a bottom limiting body is arranged in the bottom cavity, an inner cavity is arranged in the bottom limiting body, an inner column is arranged in the inner cavity, and a second pin hole is formed in the bottom limiting body in a penetrating mode from the side face. As a preferable technical scheme of the contact chamber sealing safety mechanism, the contact chamber sealing safety mechanism further comprises a procedure assembly pin, wherein the procedure assembly pin penetrates through the first pin hole and the second pin hole. As an optimized technical scheme of the contact chamber sealing safety mechanism, a conical spring is arranged in the inner cavity, the small end face of the conical spring is contacted with the inner cavity end face of the bottom limiting body, and the large end face of the conical spring is contacted with the bottom end face of the sealing screw. The utility model has the beneficial effects that the utility model can release the insurance at the moment of the ammunition flying out of the capsule, has short releasing time, can maintain the sealing performance before and after releasing, and has simple structure and high reliability. Drawings In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. Wherein: FIG. 1 is a schematic view of a contact chamber seal safety mechanism of the present utility model; FIG. 2 is a schematic diagram of a fail-safe state of a contact chamber seal fail-safe mechanism according to the present utility model; FIG. 3 is a schematic view of a contact chamber seal safety mechanism safety pin of the present utility model; FIG. 4 is a schematic view of the assembled position of a fuse body of a contact chamber seal safety mechanism according to the present utility model; fig. 5 is a schematic view of a bottom limit of a contact chamber seal safety mechanism according to the present utility model. Reference numeral 1, a safety pin; 2, a safety pin spring, 3, a fuse body, 4, a sealing cap, 5, a gasket, 6, a sealing screw, 7, a conical spring, 8, a process assembling pin, 9, a bottom limiting body, 11, a safety pin cap, 12, a top column, 13, a step plate, 14, a bottom end