CN-224204571-U - Three-jaw clamping type assembly device for narrow space electric connector of fire control system

Abstract

The utility model relates to a three-jaw clamping type assembly device for a fire control system narrow space electric connector, and belongs to the technical field of assembly device design. The device relies on three bayonet sockets that are located the boss embedding ring nut that each other is 120 of device tip to accomplish locking operation, and three claw width and length size all carry out accurate design and experimental verification, carry out material selection type and surface treatment simultaneously to device application scene, have further promoted rigidity and the corrosion resistance of device. The device can realize accurate clamping and efficient fastening of the electric connector of the fire control system by 1 operator under the conditions of limited assembly operation space and insufficient light in the cabinet. The device can replace the traditional assembly mode of using the nipper pliers to install, thereby realizing the installation effects of accurate clamping and firm locking and realizing the double promotion of assembly efficiency and assembly quality.

Inventors

• SUN HUAN
• LI YINGJIE
• HOU ZEXIONG
• LIU DONGQING
• JIA KAI
• LIANG GUANG
• TU CHANG
• GAO YULIN
• LIU DONG
• JI MIN

Assignees

• 北方自动控制技术研究所

Dates

Publication Date

20260505

Application Date

20250530

Claims (10)

1. 1. A three-jaw clamping type assembly device for a fire control system narrow space electric connector is characterized by comprising three jaws (1) and a cavity (2), wherein the three jaws (1) are three bosses extending out of one end face of the cavity (2) and are uniformly distributed on the cavity (2) at circumferential intervals of 120 degrees, weight-reducing grooves (3) are formed in the outer wall of the cavity (2), and the other end of the cavity (2) is a handheld end (4).
2. 2. The device according to claim 1, characterized in that the surface of the hand-held end (4) is knurled.
3. 3. The device according to claim 1, characterized in that the surface of the three jaws (1) is nitrided.
4. 4. The device according to claim 1, characterized in that the three jaws (1) have a width smaller than the width of the ring nut bayonet of the electrical connector and a height smaller than the depth of the ring nut bayonet.
5. 5. The device according to claim 4, wherein the three jaws (1) have a width of 0.2mm less than the width of the annular nut bayonet of the electrical connector and a height of 0.1mm less than the depth of the annular nut bayonet.
6. 6. The device according to claim 1, characterized in that the wall thickness of the cavity (2) is 2mm.
7. 7. The device according to claim 1, characterized in that the outer wall of the cavity (2) is provided with 3 sets of weight-reducing grooves (3).
8. 8. The device according to claim 1, wherein the three claws (1) and the cavity (2) are made of 06Cr19Ni10 stainless steel.
9. 9. The apparatus of claim 1, wherein the electrical connector is a circular electrical connector.
10. 10. The device of any one of claims 1 to 9, wherein the device is used in a fire control system.

Description

Three-jaw clamping type assembly device for narrow space electric connector of fire control system Technical Field The utility model belongs to the technical field of assembly device design, and particularly relates to a three-jaw clamping type assembly device for a fire control system narrow space electric connector. Background At present, no matched screwing tool is used for installing the fire control system electric connector in the market, and the existing assembly mode is to assemble a circular electric connector by means of a nipper pliers. The method has three defects of the requirement of two persons for cooperative operation, poor accessibility of tools, difficult operation and low efficiency, and quality defect caused by easy scratching of the paint surface of the cabinet. Disclosure of utility model First, the technical problem to be solved The utility model aims to solve the technical problem of designing an assembly device for a fire control system narrow space electric connector, and realizing double improvement of the assembly efficiency and the assembly quality of the electric connector. (II) technical scheme In order to solve the technical problems, the utility model provides a three-jaw clamping type assembly device for a fire control system narrow space electric connector, which comprises three jaws 1 and a cavity 2, wherein the device is integrally formed by machining, the three jaws 1 are three bosses extending out of one end face of the cavity 2 and are uniformly distributed on the cavity 2 at 120-degree intervals in the circumferential direction, weight reducing grooves 3 are formed in the outer wall of the cavity 2, and the other end of the cavity 2 is a handheld end 4. Preferably, the surface of the hand-held end 4 is knurled. Preferably, the surface of the three claws 1 is subjected to nitriding treatment. Preferably, the three claws 1 have a smaller width than the width of the annular nut bayonet of the electric connector and a smaller height than the depth of the annular nut bayonet. Preferably, the three claws 1 have a width of 0.2mm less than the width of the annular nut bayonet matched with the electric connector and a height of 0.1mm less than the depth of the annular nut bayonet. Preferably, the wall thickness of the cavity 2 is 2mm. Preferably, the outer wall of the cavity 2 is provided with 3 groups of weight-reducing grooves 3. Preferably, the three claws 1 and the cavity 2 are made of 06Cr19Ni10 stainless steel. Preferably, the electrical connector is a circular electrical connector. Preferably, the device is used in a fire control system. (III) beneficial effects The utility model provides a three-jaw clamping type assembly device for a fire control system narrow space electric connector, which completes locking operation by means of three bayonets, wherein three bosses which are 120 degrees away from each other and are embedded into an annular nut, are positioned at the end part of the device, the width and length dimensions of the three jaws are accurately designed and tested and verified, and meanwhile, the material selection and the surface treatment are carried out according to the application scene of the device, so that the rigidity and the corrosion resistance of the device are further improved. The device can realize accurate clamping and efficient fastening of the electric connector of the fire control system by 1 operator under the conditions of limited assembly operation space and insufficient light in the cabinet. The device can replace the traditional assembly mode of using the nipper pliers to install, thereby realizing the installation effects of accurate clamping and firm locking and realizing the double promotion of assembly efficiency and assembly quality. Drawings FIG. 1a is a front view of the device of the present utility model and FIG. 1b is a side view of the device of the present utility model; FIG. 2 is a schematic diagram of the operation of the device of the present utility model; fig. 3 is an enlarged view of a portion of the principle of operation of the device of the present utility model. Detailed Description For the purposes of clarity, content, and advantages of the present utility model, a detailed description of the embodiments of the present utility model will be described in detail below with reference to the drawings and examples. When the electric connector of the box type rocket gun fire control system is installed in a narrow space of a cabinet, difficulties such as unmatched tools and poor accessibility are faced, and quality problems such as falling off caused by incomplete locking, and the fact that the tools scratch the paint surface of the cabinet are easy to occur. The utility model relates to a mounting device for an electric connector of a box type rocket gun fire control system in narrow space assembly. The background of the method is derived from the assembly site of the electric connector, and is a technical improvem