CN215632422U - Anti-seismic welding-free civil air defense door frame with opening and closing limiting function - Google Patents
Anti-seismic welding-free civil air defense door frame with opening and closing limiting function Download PDFInfo
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- CN215632422U CN215632422U CN202121244988.8U CN202121244988U CN215632422U CN 215632422 U CN215632422 U CN 215632422U CN 202121244988 U CN202121244988 U CN 202121244988U CN 215632422 U CN215632422 U CN 215632422U
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Abstract
The utility model discloses an anti-seismic welding-free civil air defense door frame with an opening and closing limiting function, which comprises a door frame and a door main body and is characterized in that: the door comprises a door body, and is characterized in that meshing teeth are welded below the door body, a gear box is installed on the right side of the door frame, a driving motor is arranged in the gear box, a transmission shaft is coaxially installed in the center of the driving motor, a driving gear is coaxially installed on the transmission shaft, a driven gear is installed below the driving gear, a base is arranged below the driven gear, a transmission rack is installed above the base, a damping air bag is fixedly installed on the right side of the door frame, a pipeline is fixedly installed above the damping air bag, the other end of the pipeline is fixedly connected with the upper portion of the door frame, a sliding plate is slidably connected in the pipeline, an opening and closing limiting structure is arranged below the damping air bag, and a pressing block is slidably connected between the left side of the opening and closing limiting structure and the door frame.
Description
Technical Field
The utility model relates to the technical field of civil air defense doors, in particular to an anti-seismic welding-free civil air defense door frame with an opening and closing limiting function.
Background
The civil air defense door is a door of an entrance and an exit of civil protection engineering, has more distinct classification, and comprises a plurality of civil air defense devices such as a common protection single door, a double-leaf protection airtight door, a movable threshold single door, a double-leaf protection airtight door and the like, and is a door used by government mobilization and organization masses in the process of taking disaster-resistant and relief measures to implement rescue and disaster-relieving activities.
The volume and the quality of people's air defense door self are all great, so have huge inertia when the switch door, can cause vibrations to the door frame, if do not implement the buffering shock attenuation to the door frame, can shorten the life of people's air defense door, because of huge inertia when the switch door, can make people's air defense door can't close tightly.
Therefore, it is necessary to design an anti-seismic welding-free civil air defense door frame with strong practicability, buffering and shock absorption functions and an opening and closing limiting function.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide an anti-seismic welding-free civil air defense door frame with an opening and closing limiting function, so as to solve the problems in the background technology.
In order to solve the technical problems, the utility model provides the following technical scheme: the utility model provides a welding people's air defense door frame is exempted from to antidetonation type with limit function opens and shuts, includes door frame, gate main part, its characterized in that: the lower part of the gate main body is welded with meshing teeth, the right side of the door frame is provided with a gear box, a driving motor is arranged in the gear box, the center of the driving motor is coaxially provided with a transmission shaft, the transmission shaft is coaxially provided with a driving gear, a driven gear is arranged below the driving gear, a base is arranged below the driven gear, and a transmission rack is arranged above the base;
according to the technical scheme, a damping air bag is fixedly arranged on the right side of the door frame, a pipeline is fixedly arranged above the damping air bag, the other end of the pipeline is fixedly connected with the upper part of the door frame, and a sliding plate is connected in the pipeline in a sliding manner;
according to the technical scheme, an opening and closing limiting structure is arranged below the damping air bag, a pressing block is connected to the left side of the door frame in a sliding mode, a supporting block is fixedly installed at the right end of the opening and closing limiting structure, a limiting rod is arranged above the supporting block, and a compression spring is arranged on one side of the supporting block;
according to the technical scheme, the lower end of the limiting rod is welded with the limiting cylindrical block;
according to the technical scheme, the left end and the right end of the gate main body are welded with the protection plates;
according to the technical scheme, the corners of the door frame are of the integrated type of the section steel, and an inlet is formed in the left side of the door frame.
Compared with the prior art, the utility model has the following beneficial effects: in the utility model, the raw materials are mixed,
(1) the driving motor is started, the transmission shaft starts to rotate to drive the driving gear arranged on the transmission shaft to rotate anticlockwise, the driving gear is in meshing transmission with the driven gear to drive the driven gear to rotate clockwise, the driven gear is in meshing transmission with the transmission rack, the transmission rack moves leftwards, the transmission rack is in meshing transmission with meshing teeth below the gate main body to drive the gate main body to perform feeding movement to the right two sides, and opening and closing of the gate are realized through gear transmission in the gear box and movement of the transmission rack;
(2) by arranging the damping air bag, when the main body of the gate moves rightwards, the closing of the gate is realized, when the main body of the gate moves to the right side of the door frame, the damping air bag on the right side of the door frame is pressed, the pressure inside the damping air bag is increased, the pressure is transmitted to the sliding plate above the door frame through the pipeline, the spring above the sliding plate is pressed down, when the gate is closed, the impact of the gate on the door frame is transferred to the upper side of the door frame, and the damping effect is realized on the door frame;
(3) through being provided with the limit structure that opens and shuts, the briquetting is touched to the gate main part, push the briquetting into the limit structure that opens and shuts, the upper end of gag lever post is pressed to the right side of briquetting, make compression spring pushed down, the gag lever post pops out left, spacing cylinder piece on the gag lever post plays the limiting displacement to the gate, the gate can't be opened left, play the limiting displacement to the gate motion, the problem of can't close tightly because of the huge inertia in gate has been avoided, when the gate main part has moved a bit distance left because of inertia, compression spring is not pushed down, compression spring kick-backs, in retrieving the limit structure that opens and shuts with the gag lever post, the briquetting is promoted to slide left by the gag lever post, the gate main part removes left and realizes opening of gate and has avoided can't close tightly problem because of the huge inertia in gate.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model. In the drawings:
FIG. 1 is a schematic overall elevational view of the present invention;
FIG. 2 is a side schematic view of a door frame of the present invention;
FIG. 3 is an enlarged, fragmentary, schematic view at A of FIG. 1 of the present invention;
FIG. 4 is an enlarged partial schematic view of the utility model at B of FIG. 1;
in the figure: 1. a drive rack; 2. a driven gear; 3. a driving gear; 4. a drive motor; 5. a drive shaft; 6. meshing teeth; 7. a gate main body; 8. a door frame; 9. a sliding plate; 10. a base; 11. a pipeline; 12. a shock-absorbing air bag; 13. briquetting; 14. a compression spring; 15. a limiting rod; 16. a support block; 17. a limiting cylindrical block; 18. a gear case; 19. an open-close limiting structure; 20. an inlet; 21. and (4) a protective plate.
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.
Referring to fig. 1-4, the present invention provides the following technical solutions: the utility model provides a welding people's air defense door frame is exempted from to antidetonation type with limit function opens and shuts, includes door frame 8, gate main part 7, its characterized in that: the lower part of a gate main body 7 is welded with meshing teeth 6, the right side of a door frame 8 is provided with a gear box 18, a driving motor 4 is arranged in the gear box 18, the center of the driving motor 4 is coaxially provided with a transmission shaft 5, the transmission shaft 5 is coaxially provided with a driving gear 3, the lower part of the driving gear 3 is provided with a driven gear 2, the lower part of the driven gear 2 is provided with a base 10, the upper part of the base 10 is provided with a transmission rack 1, the driving motor 4 is started, the transmission shaft 5 starts to rotate to drive the driving gear 3 arranged on the transmission shaft 5 to rotate anticlockwise, the driving gear 3 is in meshing transmission with the driven gear 2 to drive the driven gear 2 to rotate clockwise, the driven gear 2 is in meshing transmission with the transmission rack 1, the transmission rack 1 moves leftwards, the transmission rack 1 is in meshing transmission with the meshing teeth 6 below the gate main body 7 to drive the gate main body 7 to perform feeding movement towards the right side, through the steps, the opening and closing of the gate are realized through the gear transmission in the gear box 18 and the movement of the transmission rack 1;
a damping air bag 12 is fixedly installed on the right side of the door frame 8, a pipeline 11 is fixedly installed above the damping air bag 12, the other end of the pipeline 11 is fixedly connected with the upper side of the door frame 8, a sliding plate 9 is connected in the pipeline 11 in a sliding mode, when the door main body 7 moves rightwards to achieve closing of the door, when the door main body 7 moves to the right side of the door frame 8, the damping air bag 12 on the right side of the door frame 8 is pressed, the damping air bag 12 is compressed, the pressure inside the damping air bag 12 is increased, the pressure is transmitted to the sliding plate 9 above the door frame 8 through the pipeline 11, a spring above the sliding plate 9 is pressed down, and through the steps, when the door is closed, the damping effect on the door frame 8 is achieved;
an opening and closing limiting structure 19 is arranged below the damping air bag 12, a pressing block 13 is connected to the left side of the door frame 8 in a sliding mode, a supporting block 16 is fixedly installed at the right end of the opening and closing limiting structure 19, a limiting rod 15 is arranged above the supporting block 16, a compression spring 14 is arranged on one side of the supporting block 16, the door main body 7 touches the pressing block 13, the pressing block 13 is pushed into the opening and closing limiting structure 19, the upper end of the limiting rod 15 is pressed on the right side of the pressing block 13, the compression spring 14 is pressed down, the limiting rod 15 pops out to the left, and through the steps, the opening and closing limiting structure 19 plays a limiting role in the door;
the lower end of the limiting rod 15 is welded with a limiting cylindrical block 17, the limiting cylindrical block 17 on the limiting rod 15 plays a limiting role on the gate, and the gate cannot be opened leftwards;
the protection plates 21 are welded at the left end and the right end of the gate main body 7, so that the gate is prevented from being damaged when the gate impacts the doorframe 8, the limiting cylindrical block 17 can conveniently limit the gate, and the gate main body 7 is prevented from moving due to inertia;
the corner of door frame 8 is the shaped steel integral type, and door frame 8's left side is provided with entry 20, and shaped steel integral type door frame has firmly, exempts from welded advantage.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that changes may be made in the embodiments and/or equivalents thereof without departing from the spirit and scope of the utility model. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (6)
1. The utility model provides a welding people's air defense door frame is exempted from to antidetonation type with limit function opens and shuts, includes door frame (8), gate main part (7), its characterized in that: the welding of the below of gate main part (7) has meshing tooth (6), gear box (18) are installed on the right side of door frame (8), be provided with driving motor (4) in gear box (18), driving motor (4) center coaxial arrangement has transmission shaft (5), transmission shaft (5) coaxial arrangement driving gear (3), driven gear (2) are installed to the below of driving gear (3), the below of driven gear (2) is provided with base (10), driving rack (1) is installed to base (10) top.
2. The anti-seismic welding-free civil air defense door frame with the opening and closing limiting function according to claim 1, characterized in that: the damping air bag is characterized in that a damping air bag (12) is fixedly mounted on the right side of the door frame (8), a pipeline (11) is fixedly mounted above the damping air bag (12), the other end of the pipeline (11) is fixedly connected with the upper portion of the door frame (8), and a sliding plate (9) is slidably connected in the pipeline (11).
3. The anti-seismic welding-free civil air defense door frame with the opening and closing limiting function according to claim 2, characterized in that: the damping air bag is characterized in that an opening and closing limiting structure (19) is arranged below the damping air bag (12), a pressing block (13) is connected to the left side of the door frame (8) in a sliding mode, a supporting block (16) is fixedly mounted at the right end of the opening and closing limiting structure (19), a limiting rod (15) is arranged above the supporting block (16), and a compression spring (14) is arranged on one side of the supporting block (16).
4. The anti-seismic welding-free civil air defense door frame with the opening and closing limiting function according to claim 3, characterized in that: the lower end of the limiting rod (15) is welded with a limiting cylindrical block (17).
5. The anti-seismic welding-free civil air defense door frame with the opening and closing limiting function according to claim 4, characterized in that: protection plates (21) are welded at the left end and the right end of the gate main body (7).
6. The anti-seismic welding-free civil air defense door frame with the opening and closing limiting function according to claim 5, characterized in that: the corner of door frame (8) is the shaped steel integral type, the left side of door frame (8) is provided with entry (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244988.8U CN215632422U (en) | 2021-06-04 | 2021-06-04 | Anti-seismic welding-free civil air defense door frame with opening and closing limiting function |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121244988.8U CN215632422U (en) | 2021-06-04 | 2021-06-04 | Anti-seismic welding-free civil air defense door frame with opening and closing limiting function |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215632422U true CN215632422U (en) | 2022-01-25 |
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ID=79941487
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121244988.8U Active CN215632422U (en) | 2021-06-04 | 2021-06-04 | Anti-seismic welding-free civil air defense door frame with opening and closing limiting function |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215632422U (en) |
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2021
- 2021-06-04 CN CN202121244988.8U patent/CN215632422U/en active Active
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