阅读说明：本技术 一种人防门闭门结构制作方法 (Manufacturing method of civil air defense door closing structure ) 是由 张彬 吴昊 张涛 张友春 翟冰冰 赵毅 孟飞 任越 曹善青 于 2020-07-17 设计创作，主要内容包括：发明公开了一种人防门闭门结构,将钢材经过高温处理后直接用冷镦机镦成大致形状和尺寸的坯料；用数控车床或小型车床对轴盖坯料进行深加工,分别加工出第一端盖、挡板、齿条、外壳、第二端盖和齿轮；将合格尺寸的第一端盖和第二端盖放在滚丝机上加工出螺纹；将挡板焊接固定在齿条的两端,并将弹簧的一端与齿条一侧的挡板焊接固定；将弹簧背离挡板的一端卡接安装在第二端盖的卡接槽内；将第一端盖安装在外壳的一端,并将连接有弹簧和齿条的第二端盖安装在外壳的另一端；将齿轮通过转动密封插接安装在外壳内齿条的下方；向外壳内灌注液压油,并安装密封塞。发明具备优先将内部组件组装为一个整体,使其模块化,进而增加闭门器组装效率的优点。(The invention discloses a civil air defense door closing structure, which is characterized in that steel is directly upset into blanks with approximate shapes and sizes by a cold header after being subjected to high-temperature treatment; deep processing is carried out on the shaft cover blank by using a numerical control lathe or a small lathe, and a first end cover, a baffle, a rack, a shell, a second end cover and a gear are respectively processed; putting the first end cover and the second end cover with qualified sizes on a thread rolling machine to machine threads; fixing the baffle plates at two ends of the rack in a welding manner, and fixing one end of the spring and the baffle plate at one side of the rack in a welding manner; clamping and mounting one end of the spring, which is far away from the baffle plate, in a clamping groove of the second end cover; mounting a first end cap at one end of the housing and a second end cap connected with a spring and a rack at the other end of the housing; the gear is inserted and installed below the rack in the shell in a rotating and sealing manner; and filling hydraulic oil into the shell, and installing a sealing plug. The door closer has the advantages that the internal components are preferentially assembled into a whole and modularized, so that the assembling efficiency of the door closer is improved.)

1. The utility model provides a people's air defense door structure of closing, includes rack (3), spring (4), shell (6) and gear (10), its characterized in that: first end cover (1) and second end cover (7) are installed at the both ends of shell (6), joint groove (8) have been seted up on second end cover (7), there is spring (4) through joint groove (8) joint on second end cover (7), the one end welding that spring (4) deviates from second end cover (7) has rack (3), the both ends welding of rack (3) has baffle (2), shell (6) are located the below of rack (3) and install gear (10), oil circuit pipeline (9) have been run through to the bottom of shell (6), just install sealing plug (11) on oil circuit pipeline (9).

2. A civil air defense door closing structure according to claim 1, wherein: the rack (3) and the gear (10) are provided with clamping teeth matched with each other, and the rack (3) and the gear (10) are in meshing transmission through the clamping teeth.

3. A civil air defense door closing structure according to claim 1, wherein: the shell (6) is filled with hydraulic oil (5).

4. A civil air defense door closing structure according to claim 1, wherein: the outer sides of the first end cover (1) and the second end cover (7) are both provided with threads, and the first end cover (1) and the second end cover (7) are fixedly connected with the shell (6) through the threads.

5. A manufacturing method of a civil air defense door closing structure is characterized by comprising the following steps:

s1, directly upsetting the steel into a blank with approximate shape and size by a cold header after high-temperature treatment;

s2, deep processing is carried out on the shaft cover blank by using a numerical control lathe or a small lathe, and a first end cover (1), a baffle (2), a rack (3), a shell (6), a second end cover (7) and a gear (10) are respectively processed;

s3, placing the first end cover (1) and the second end cover (7) with qualified sizes on a thread rolling machine to machine threads, and turning a clamping groove (8) on the second end cover (7) through a lathe;

s4, welding and fixing the baffle (2) at two ends of the rack (3), and welding and fixing one end of the spring (4) and the baffle (2) at one side of the rack (3);

s5, clamping and installing one end, deviating from the baffle (2), of the spring (4) in a clamping groove (8) of the second end cover (7);

s6, installing the first end cover (1) at one end of the shell (6) through threads, and installing the second end cover (7) connected with the spring (4) and the rack (3) at the other end of the shell (6) through threads;

s7, the gear (10) is installed below the rack (3) in the shell (6) in a rotating and sealing manner in an inserting manner;

s8, filling hydraulic oil into the shell (6), and installing a sealing plug (11);

and S9, detecting, packaging and warehousing.

6. The manufacturing method of the door closing structure of the civil air defense door as claimed in claim 5, characterized in that: the temperature of the high-temperature treatment of the steel material in the S1 is 900-1200 ℃.

7. The manufacturing method of the door closing structure of the civil air defense door as claimed in claim 5, characterized in that: and S3, galvanization is carried out on the first end cover (1), the baffle plate (2), the rack (3), the shell (6), the second end cover (7) and the gear (10) by using an electroplating process.

Technical Field

The invention relates to the technical field of door closing structures, in particular to a manufacturing method of a civil air defense door closing structure.

Background

The door closing structure is a hydraulic device similar to a spring on the door head, and can be released after being compressed after the door is opened, so that the door can be automatically closed, the spring-like door has the effect of ensuring that the door is accurately and timely closed to the initial position after being opened. The modern hydraulic door closer is different from the traditional door closer and achieves the buffering effect by throttling the liquid in the door closer. The core of the design idea of the hydraulic door closer is to realize the control of the door closing process, so that various functional indexes of the door closing process can be adjusted according to the requirements of people. However, in the existing door closer, the components are sequentially mounted in the shell one by one during assembly, so that the operation is complicated, a large amount of time is required during assembly, and the working efficiency is further reduced.

Disclosure of Invention

The invention aims to provide a manufacturing method of a door closing structure of a civil air defense door, which has the advantages that internal components are preferentially assembled into a whole and modularized, so that the assembling efficiency of the door closing structure is improved, and the problems that the components are sequentially arranged in a shell when the door closing device at the current stage is assembled, the operation is complex, a large amount of time is needed during the assembling, and the working efficiency is reduced are solved.

In order to realize the purpose, the invention provides the following technical scheme: the utility model provides a people's air defense door structure of closing, includes rack, spring, shell and gear, first end cover and second end cover are installed to the both ends of shell, the joint groove has been seted up on the second end cover, there is the spring through joint groove joint on the second end cover, the one end welding that the spring deviates from the second end cover has the rack, the both ends welding of rack has the baffle, the shell is located the below of rack and installs the gear, the bottom of shell runs through and has seted up the oil circuit pipeline, just install the sealing plug on the oil circuit pipeline.

Preferably, the rack and the gear are provided with clamping teeth matched with each other, and the rack and the gear are in meshing transmission through the clamping teeth.

Preferably, the shell is filled with hydraulic oil.

Preferably, the outer sides of the first end cover and the second end cover are both provided with threads, and the first end cover and the second end cover are fixedly connected with the shell through threads.

A manufacturing method of a civil air defense door closing structure comprises the following steps:

s1, directly upsetting the steel into a blank with approximate shape and size by a cold header after high-temperature treatment;

s2, deep processing is carried out on the shaft cover blank by using a numerical control lathe or a small lathe, and a first end cover, a baffle, a rack, a shell, a second end cover and a gear are respectively processed;

s3, placing the first end cover and the second end cover with qualified sizes on a thread rolling machine to be processed into threads, and turning a clamping groove on the second end cover through a lathe;

s4, fixing the baffle plates at two ends of the rack in a welding manner, and fixing one end of the spring and the baffle plate at one side of the rack in a welding manner;

s5, clamping and installing one end of the spring, which is far away from the baffle plate, in a clamping groove of the second end cover;

s6, mounting the first end cover at one end of the shell through threads, and mounting the second end cover connected with the spring and the rack at the other end of the shell through threads;

s7, installing the gear below the rack in the shell in a rotating and sealing manner;

s8, filling hydraulic oil into the shell, and installing a sealing plug;

and S9, detecting, packaging and warehousing.

Preferably, the temperature of the high-temperature treatment of the steel material in S1 is 900 ℃ to 1200 ℃.

Preferably, the first end cap, the baffle, the rack, the housing, the second end cap and the gear are galvanized using an electroplating process after S3.

Compared with the prior art, the invention has the beneficial effects that: the inner parts of the door closing structure are assembled to be connected into a whole to form modularization, and then the door closing structure is installed in the shell, so that the time spent by the door closer during assembling is reduced, the assembling efficiency of the door closer is improved, the galvanizing operation is performed on the inner parts of the door closer, and the attractiveness and the rust resistance of the door closer are improved.

Drawings

Fig. 1 is a schematic front view of the present invention.

In the figure: 1. a first end cap; 2. a baffle plate; 3. a rack; 4. a spring; 5. hydraulic oil; 6. a housing; 7. A second end cap; 8. a clamping groove; 9. an oil line conduit; 10. a gear; 11. and (4) sealing the plug.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of describing the invention and simplifying the description, but do not indicate or imply that the device or the element to which the description refers must have a specific orientation, be configured in a specific orientation, and operate, and thus, cannot be construed as limiting the invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, such as "connected," which may be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1, an embodiment of the present invention:

the utility model provides a people's air defense door structure of closing, includes rack 3, spring 4, shell 6 and gear 10, and first end cover 1 and second end cover 7 are installed at the both ends of shell 6, have seted up joint groove 8 on the second end cover 7, have spring 4 through 8 joints in joint groove 8 on the second end cover 7, and the screw thread has all been seted up in the outside of first end cover 1 and second end cover 7, and first end cover 1 and second end cover 7 are connected fixedly through screw thread and shell 6.

The one end welding that spring 4 deviates from second end cover 7 has rack 3, baffle 2 has been welded at the both ends of rack 3, gear 10 is installed to shell 6 below that is located rack 3, set up the latch of looks adaptation on rack 3 and the gear 10, rack 3 and gear 10 are through latch meshing transmission, oil circuit pipeline 9 has been seted up in running through to the bottom of shell 6, and install sealing plug 11 on the oil circuit pipeline 9, hydraulic oil 5 has been filled in the shell 6, through assembling the door closing structure internals, make it link into a whole, form the modularization, later, in the casing 6 is gone into again, and then reduce the required cost time of door closer when the assembly, increase the assembly efficiency of door closer, and carry out the galvanizing operation to door closer internals, increase the pleasing to the eye and the rust resistance of door closer.