CN215255790U - Limiting structure of protective door - Google Patents
Limiting structure of protective door Download PDFInfo
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- CN215255790U CN215255790U CN202120949963.1U CN202120949963U CN215255790U CN 215255790 U CN215255790 U CN 215255790U CN 202120949963 U CN202120949963 U CN 202120949963U CN 215255790 U CN215255790 U CN 215255790U
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- worm
- sleeve
- limit structure
- protective door
- wall
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Abstract
The utility model discloses a limit structure of guard gate, including mounting panel and gag lever post: the one end of gag lever post extends to telescopic inner wall and the lift that sets up on the mounting panel are removed, another pot head of gag lever post is equipped with the sleeve pipe, and sheathed tube inner wall is provided with the transfer line, still including setting up the speed reduction subassembly on the guard gate, the inside of speed reduction subassembly is provided with the rocking handle, and in the rocking handle extends to the speed reduction subassembly to it is rotatory to drive the first worm on the transfer line. The utility model discloses in, this limit structure adopts the speed reduction drive mode of rocking handle cooperation speed reduction subassembly, and required manpower is paid out when can effectual reduction user of service operation, ensures that user of service can drive limit structure with less dynamics and carry out spacing protection to improve the spacing protecting effect to sealing door switching state, ensured the operational flexibility of airtight guard gate.
Description
Technical Field
The utility model relates to a guard gate technical field especially relates to a limit structure of guard gate.
Background
The protective door is a door capable of resisting various shock waves or heavy object collision, is generally made of steel materials, can be used for carrying out safety protection treatment on important equipment and materials in the current civil air defense buildings, factory warehouses and construction heavy places, and also needs to be limited in the use process so as to ensure that the protective door can be installed and operated in a specific range and realize the protection effect.
When the existing protective door limiting structure is operated to be opened and closed, the mode of direct rigid connection is adopted, and a user needs to pay more strength to open or close the protective door limiting structure, so that the operation burden of the user is increased, the quick, flexible and labor-saving operation effect on the protective door limiting structure cannot be realized, and the practicability of the limiting structure is reduced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and propose can be fast, nimble and laborsaving operation, improve the limit structure of a guard gate of limit structure practicality.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a limit structure of guard gate, includes mounting panel and gag lever post:
one end of the limiting rod extends to the inner wall of a sleeve arranged on the mounting plate and moves up and down;
the other end of the limiting rod is sleeved with a sleeve, and the inner wall of the sleeve is provided with a transmission rod;
the speed reduction assembly is arranged on the protective door, a rocking handle is arranged inside the speed reduction assembly, extends into the speed reduction assembly, and drives a first worm on the transmission rod to rotate.
As a further description of the above technical solution:
the vertical end of rocking handle is provided with the second worm, and the cover is equipped with the bearing frame on the second worm, and the bearing frame inlays and establishes the inner wall at speed reduction subassembly.
As a further description of the above technical solution:
the speed reduction assembly comprises a shell arranged on the protective door, the inner wall of the shell is rotatably connected with a connecting shaft, and the outer wall of the connecting shaft is sleeved with a worm wheel.
As a further description of the above technical solution:
the second worm is meshed with the worm wheel, and the worm wheel is meshed with the first worm and drives the first worm to rotate.
As a further description of the above technical solution:
one end of the sleeve is connected with the end part of the transmission rod through a pin shaft penetrating through the sleeve.
As a further description of the above technical solution:
the other end of the sleeve is connected with the end part of the limiting rod through a penetrating fastening bolt.
As a further description of the above technical solution:
the end part of the limiting rod is provided with an external thread, and the inner wall of the sleeve is provided with an internal groove;
the limiting rod is connected with the sleeve through the threaded connection of the external thread and the internal thread groove.
As a further description of the above technical solution:
the length of the first worm rod is greater than the depth of the sleeve.
The utility model provides a limit structure of guard gate. The method has the following beneficial effects:
this limit structure adopts the speed reduction drive mode of rocking handle cooperation speed reduction subassembly, and required manpower is paid out when can effectual reduction user of service operation, ensures that user of service can drive limit structure with less dynamics and carry out spacing protection to improve the spacing protective effect to guard gate open and close state, ensured the operation flexibility of guard gate.
Drawings
Fig. 1 is a schematic structural view of a limiting structure of a protective door according to the present invention;
FIG. 2 is a schematic structural view of the rocking handle of the present invention;
fig. 3 is a schematic view of a local structure of a joint of the middle rocking handle, the speed reducing assembly and the first worm.
Illustration of the drawings:
1. mounting a plate; 2. a sleeve; 3. a limiting rod; 4. a sleeve; 5. fastening a bolt; 6. a pin shaft; 7. a transmission rod; 8. a first worm; 9. a speed reduction assembly; 91. a connecting shaft; 92. a worm gear; 93. a housing; 10. a rocking handle; 101. a bearing seat; 102. a second worm.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
As shown in fig. 1, a limiting structure of a protective door comprises a mounting plate 1 and a limiting rod 3:
one end of the limiting rod 3 extends to the inner wall of the sleeve 2 arranged on the mounting plate 1 and moves up and down;
the other end of the limiting rod 3 is sleeved with a sleeve 4, and the inner wall of the sleeve 4 is provided with a transmission rod 7;
the safety door is characterized by further comprising a speed reducing assembly 9 arranged on the safety door, a rocking handle 10 is arranged inside the speed reducing assembly 9, the rocking handle 10 extends into the speed reducing assembly 9, and the first worm 8 on the transmission rod 7 is driven to rotate.
In this embodiment, when clockwise turning rocking handle 10, the part that rocking handle 10 extends to in the speed reduction subassembly 9 can be connected with the speed reduction unit, and drive speed reduction unit makes it drive first worm 8 rotatory, first worm 8 can drive transfer line 7 synchronous revolution this moment, and promote transfer line 7 and move down, combine the connecting action of sleeve pipe 4, drive gag lever post 3 moves down and enters into in the sleeve 2, can realize limit structure's closed spacing effect, thereby play spacing effect to the coupling mechanism of guard gate, on the contrary, when anticlockwise turning rocking handle 10, can drive gag lever post 3 and move up and shift out in the sleeve 2, can break off the spacing coupling mechanism of guard gate, make operating personnel can nimble freedom and laborsaving operate limit structure, the operation burden is reduced.
As shown in fig. 2 and 3, a second worm 102 is arranged at the vertical end of the rocking handle 10, a bearing seat 101 is sleeved on the second worm 102, the bearing seat 101 is embedded in the inner wall of the speed reducing assembly 9, the speed reducing assembly 9 comprises a shell 93 arranged on the protective door, the inner wall of the shell 93 is rotatably connected with a connecting shaft 91, the outer wall of the connecting shaft 91 is sleeved with a worm wheel 92, the second worm 102 is connected with the worm wheel 92 in an engaged manner, and the worm wheel 92 is connected with the first worm 8 in an engaged manner and drives the first worm 8 to rotate;
when the rocking handle 10 is rotated clockwise, the rocking handle 10 drives the second worm 102 to rotate clockwise under the action of the bearing seat 101, at the moment, the second worm 102 is meshed with the worm gear 92, so that the worm gear 92 rotates anticlockwise under the action of the connecting shaft 91, at the moment, the worm gear 92 is meshed with the first worm 8 and drives the transmission rod 7 to move downwards, the closing limit of the limit structure is realized, otherwise, when the rocking handle 10 is rotated anticlockwise, the transmission rod 7 is driven to move upwards, and the separation of the limit structure is realized.
As shown in fig. 1, one end of the sleeve 4 is connected with the end of the transmission rod 7 through a pin shaft 6, so that the sleeve 4 and the transmission rod 7 can be conveniently connected in a dismounting way.
As shown in fig. 1, the other end of the sleeve 4 is connected with the end of the stop rod 3 through a fastening bolt 5, which increases the stability between the sleeve 4 and the stop rod 3.
As shown in fig. 1, the end of the limiting rod 3 is provided with an external thread, the inner wall of the sleeve 2 is provided with an internal groove, the limiting rod 3 is connected with the sleeve 2 by screwing the external thread with the internal groove, and the connection tightness between the limiting rod 3 and the sleeve 2 can be increased by screwing the external thread, so that the limiting stability of the limiting structure is further improved.
As shown in fig. 1, the length of the first worm 8 is greater than the depth of the sleeve 2, so that when the limiting rod 3 is completely embedded into the sleeve 2, the first worm 8 is still engaged with the worm gear 92, and the phenomenon that the speed reduction unit falls off after the limiting structure is closed is prevented.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (8)
1. The utility model provides a limit structure of guard gate, includes mounting panel (1) and gag lever post (3), its characterized in that:
one end of the limiting rod (3) extends to the inner wall of the sleeve (2) arranged on the mounting plate (1) and moves up and down;
the other end of the limiting rod (3) is sleeved with a sleeve (4), and the inner wall of the sleeve (4) is provided with a transmission rod (7);
the safety door is characterized by further comprising a speed reducing assembly (9) arranged on the protective door, a rocking handle (10) is arranged inside the speed reducing assembly (9), the rocking handle (10) extends into the speed reducing assembly (9), and the first worm (8) on the transmission rod (7) is driven to rotate.
2. The limit structure of a protective door according to claim 1, wherein: the vertical end of rocking handle (10) is provided with second worm (102), and the cover is equipped with bearing frame (101) on second worm (102), and bearing frame (101) inlays and establishes the inner wall at speed reduction subassembly (9).
3. The limit structure of a protective door according to claim 1, wherein: the speed reduction assembly (9) comprises a shell (93) arranged on the protective door, the inner wall of the shell (93) is rotatably connected with a connecting shaft (91), and the outer wall of the connecting shaft (91) is sleeved with a worm wheel (92).
4. The limit structure of a protective door according to claim 2, wherein: the second worm (102) is connected with the worm wheel (92) in an occlusion way, and the worm wheel (92) is connected with the first worm (8) in an occlusion way and drives the first worm (8) to rotate.
5. The limit structure of a protective door according to claim 1, wherein: one end of the sleeve (4) is connected with the end part of the transmission rod (7) through a pin shaft (6) which penetrates through the sleeve.
6. The limit structure of a protective door according to claim 1, wherein: the other end of the sleeve (4) is connected with the end part of the limiting rod (3) through a through fastening bolt (5).
7. The limit structure of a protective door according to claim 1, wherein: the end part of the limiting rod (3) is provided with an external thread, and the inner wall of the sleeve (2) is provided with an internal groove;
the limiting rod (3) is connected with the sleeve (2) through the threaded connection of the external thread and the internal thread groove.
8. The limit structure of a protective door according to claim 1, wherein: the length of the first worm (8) is greater than the depth of the sleeve (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120949963.1U CN215255790U (en) | 2021-05-06 | 2021-05-06 | Limiting structure of protective door |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120949963.1U CN215255790U (en) | 2021-05-06 | 2021-05-06 | Limiting structure of protective door |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215255790U true CN215255790U (en) | 2021-12-21 |
Family
ID=79454099
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120949963.1U Active CN215255790U (en) | 2021-05-06 | 2021-05-06 | Limiting structure of protective door |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215255790U (en) |
-
2021
- 2021-05-06 CN CN202120949963.1U patent/CN215255790U/en active Active
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