CN218094249U - Double-connecting-rod transmission efficient pressure protection device - Google Patents
Double-connecting-rod transmission efficient pressure protection device Download PDFInfo
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- CN218094249U CN218094249U CN202221490607.9U CN202221490607U CN218094249U CN 218094249 U CN218094249 U CN 218094249U CN 202221490607 U CN202221490607 U CN 202221490607U CN 218094249 U CN218094249 U CN 218094249U
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- protection device
- air door
- pressure protection
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Abstract
The utility model discloses a high-efficient pressure protection device of double link transmission, including PMKD, telescoping device, support, air door executor, auxiliary switch, PMKD has seted up the wind gap, the PMKD both sides are equipped with the bracing piece, the support passes through the bolt fastening on the bracing piece, support mid portion is equipped with the opening, and support one side is equipped with the baffle, auxiliary switch and air door executor setting are at the baffle dorsal part, the support opening is equipped with the telescoping device, the telescoping device includes double-link structure, rotation axis, expansion plate, double-link structure below is through rotating base swing joint expansion plate, double-link structure one end linking stop is connected to rotation axis one end, auxiliary switch output shaft rotation axis, the utility model discloses the structure adopts double-link structure, bears big, the difficult wearing and tearing of workable, switching that can be good, ensures the air door internal pressure, has very strong practicality.
Description
Technical Field
The utility model belongs to the technical field of motor car air conditioning equipment, concretely relates to high-efficient pressure protection device of double link transmission.
Background
The top of a common train carriage is provided with a pressure protection device to regulate and control the pressure of the carriage, so that passengers are prevented from feeling uncomfortable due to too large pressure difference in the process of passing through a tunnel or accelerating a motor train. And the used pressure protection device of present train generally adopts the cylinder to inflate and makes the carriage air door close, and isolated ambient pressure is to the influence of carriage internal pressure, but the too big long-time use of the inflated pressure of cylinder can make the device wearing and tearing, and the more complicated maintenance of dismantling of current pressure protection device structure is also more difficult.
Disclosure of Invention
In order to solve the problem, the utility model discloses a high-efficient pressure protection device of two-link transmission adopts two-link transmission, bears big workable, and difficult wearing and tearing, novel structure is practical convenient to detach simultaneously, can the totally enclosed carriage of lifting unit isolated car external pressure, and whole process is automatic convenient.
In order to achieve the above purpose, the technical scheme of the utility model is as follows:
the utility model provides a high-efficient pressure protection device of double link transmission which characterized in that: including PMKD, telescoping device, support, air door executor, auxiliary switch, the wind gap has been seted up to PMKD, the PMKD both sides are equipped with the bracing piece, the support passes through the bolt fastening on the bracing piece, support mid portion is equipped with the opening, and support one side is equipped with the baffle, auxiliary switch sets up at the baffle dorsal part with the air door executor, the support opening is equipped with the telescoping device, the telescoping device includes double-link structure, rotation axis, expansion plate, double-link structure below is through rotating base swing joint expansion plate, double-link structure one end linking stop is connected to rotation axis one end, auxiliary switch output shaft rotation axis.
As an improvement of the utility model, the double-connecting-rod structure includes movable rod, connecting rod, revolving fragment, movable rod quantity is two, the connecting rod passes through the connecting piece and connects two movable rods, the connecting rod dorsal part passes through connecting piece swing joint revolving fragment.
As an improvement of the utility model, the expansion plate is the same with wind gap shape size, is convex, wind gap edge parcel round rubber seal strip.
As an improvement of the utility model, two telescopic links of expansion plate still fixedly connected with, the support is equipped with the telescopic link and corresponds the through-hole, in the telescopic link inserted the through-hole, telescopic link top cover had fixed gum cover.
As an improvement of the present invention, the damper actuator model is a G47H000 damper actuator.
The utility model has the advantages that:
1. the structure is simple and practical, the double-connecting-rod structure is adopted, the bearing capacity is large, the processing is easy, the abrasion is not easy, and the subsequent maintenance is simple and the cost is reduced.
2. The auxiliary switch is arranged, the installation is simple, the service life is long, the mechanical corner is adjusted by mechanical limiting, and the position can be effectively transmitted to the output shaft.
3. The shape and size of the expansion plate are the same as those of the air opening, the edge of the air opening is wrapped by a circle of rubber sealing strip, and the air opening can be effectively sealed after the expansion plate is completely descended, so that the carriage is prevented from being influenced by the change of the external pressure of the carriage.
4. The air door actuator and the auxiliary switch are fixed on the support, and the support can be detached, so that the maintenance is convenient.
5. The telescopic rod is arranged, and when the air door actuator or the auxiliary switch breaks down, the telescopic plate is zoomed through manual operation for emergency.
Drawings
Fig. 1 is a front view of the present invention.
Fig. 2 is a rear view of the present invention.
Fig. 3 is a top view of the present invention.
List of reference symbols:
1. fixed baseplate, 2, telescoping device, 3, support, 4, air door executor, 5, auxiliary switch, 6, wind gap, 7, bracing piece, 8, baffle, 9, two-link structure, 10, telescopic link, 201, rotation axis, 202, expansion plate, 203, rotating base, 901, movable rod, 902, connecting rod, 903, revolving fragment.
Detailed Description
The present invention will be further elucidated below with reference to the accompanying drawings and embodiments, it being understood that the following embodiments are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.
As shown in the drawing, a high-efficient pressure protection device of double link transmission, including PMKD 1, telescoping device 2, support 3, air door executor 4, auxiliary switch 5, PMKD 1 has seted up wind gap 6, 1 both sides of PMKD are equipped with bracing piece 7, support 3 passes through the bolt fastening on bracing piece 7, 3 mid portions of support are equipped with the opening, and 3 one side of support are equipped with baffle 8, auxiliary switch 5 sets up at 8 dorsal sides of baffle with air door executor 4, 3 openings of support are equipped with telescoping device 2, telescoping device 2 includes double link structure 9, rotation axis 201, expansion plate 202, double link structure 9 below is through rotating base 203 swing joint expansion plate 202, double link structure 9 one end linking stop 8 is connected to rotation axis 201 one end, auxiliary switch 5 output shaft connecting rotation axis 201.
A high-efficient pressure protection device of double link transmission, double link structure 9 includes movable rod 901, connecting rod 902, revolving fragment 903, movable rod 901 quantity is two, connecting rod 902 passes through the connecting piece and connects two movable rods 901, connecting rod 902 dorsal part passes through connecting piece swing joint revolving fragment 903, double link structure bears big transmission soon, low in production cost, simple structure is difficult for wearing and tearing simultaneously, reduces cost of maintenance.
A high-efficient pressure protection device of double link transmission, expansion plate 202 is the same with 6 shape sizes in wind gap, is convex, 6 marginal parcel round rubber seal in wind gap, can seal wind gap 6 effectively after expansion plate 202 descends completely, prevent that carriage outside pressure from changing and influencing the carriage.
A high-efficient pressure protection device of double-link transmission, expansion plate 202 is two telescopic links 10 of still fixedly connected with, support 3 is equipped with telescopic link 10 and corresponds the through-hole, in telescopic link 10 inserted the through-hole, telescopic link 10 top cover has the fixed gum cover, can realize that manual regulation zooms pole adjustment expansion plate state, realizes timely artifical emergent when air door executor 4 or auxiliary switch 5 break down.
A high-efficient pressure protection device of two link drive, the during operation, the motor provides power drive output gear rotation in the air door executor 4 to make 4 transmission actions of air door executor give auxiliary switch 5, auxiliary switch 5 passes through mechanical spacing adjustment machinery corner, with the position transmission to the output shaft, the output shaft drives rotation axis 201 and rotates, thereby makes the 9 rotatory swings of two link structure, and then makes expansion plate 202 stretch out and draw back, thereby closes wind gap 6, maintains carriage internal pressure.
It should be noted that the above only illustrates the technical idea of the present invention, and the protection scope of the present invention cannot be limited thereby, and it will be apparent to those skilled in the art that various modifications and decorations can be made without departing from the principle of the present invention, and all of these modifications and decorations fall within the protection scope of the claims of the present invention.
Claims (5)
1. The utility model provides a high-efficient pressure protection device of double link transmission which characterized in that: including PMKD, telescoping device, support, air door executor, auxiliary switch, PMKD has seted up the wind gap, the PMKD both sides are equipped with the bracing piece, the support passes through the bolt fastening on the bracing piece, support mid portion is equipped with the opening, and support one side is equipped with the baffle, auxiliary switch sets up at the baffle dorsal part with the air door executor, the support opening is equipped with the telescoping device, the telescoping device includes double link structure, rotation axis, expansion plate, through rotating base swing joint expansion plate below the double link structure, double link structure one end linked stop is connected to rotation axis one end, auxiliary switch output shaft rotation axis.
2. The dual link transmission high efficiency pressure protection device of claim 1, wherein: the double-connecting-rod structure comprises two movable rods, two connecting rods and two rotating pieces, wherein the connecting rods are connected with the two movable rods through connecting pieces, and the back sides of the connecting rods are connected with the rotating pieces through the connecting pieces.
3. The dual link transmission high efficiency pressure protection device of claim 1, wherein: the expansion plate and the air port are the same in shape and size and are both arc-shaped, and the edge of the air port is wrapped by a circle of rubber sealing strip.
4. The double-link transmission high-efficiency pressure protection device according to claim 1, characterized in that: the telescopic plate is fixedly connected with two telescopic rods, the support is provided with a through hole corresponding to the telescopic rod, the telescopic rod is inserted into the through hole, and a fixed rubber sleeve is sleeved above the telescopic rod.
5. The dual link transmission high efficiency pressure protection device of claim 1, wherein: the model of the air door actuator is G47H000 air door actuator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490607.9U CN218094249U (en) | 2022-06-15 | 2022-06-15 | Double-connecting-rod transmission efficient pressure protection device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221490607.9U CN218094249U (en) | 2022-06-15 | 2022-06-15 | Double-connecting-rod transmission efficient pressure protection device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218094249U true CN218094249U (en) | 2022-12-20 |
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ID=84475726
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221490607.9U Active CN218094249U (en) | 2022-06-15 | 2022-06-15 | Double-connecting-rod transmission efficient pressure protection device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218094249U (en) |
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2022
- 2022-06-15 CN CN202221490607.9U patent/CN218094249U/en active Active
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