CN217927317U

CN217927317U - Civil air defense ventilation closed valve

Info

Publication number: CN217927317U
Application number: CN202221895091.6U
Authority: CN
Inventors: 严法仁
Original assignee: Jiangsu Suifeng Civil Air Defense Equipment Co ltd
Current assignee: Jiangsu Suifeng Civil Air Defense Equipment Co ltd
Priority date: 2022-07-21
Filing date: 2022-07-21
Publication date: 2022-11-29
Anticipated expiration: 2032-07-21

Abstract

The utility model discloses a people's air defense ventilation airtight valve belongs to airtight valve technical field, including valve body and the bull stick of setting on the valve body, valve body outside level is equipped with the bearing frame, the coaxial bearing that is equipped with in the bull stick outside, the bearing outside and the coaxial fixed connection of bearing frame inner wall, the one end that the bull stick is close to the bearing extends the bearing frame, the coaxial sleeve that is equipped with in the extension end outside of bull stick, the vertical driving lever that is equipped with in the sleeve outside, be equipped with on the sleeve and hold the fastener of locking the extension of bull stick inside the sleeve, its advantage of this structure lies in, is convenient for install the driving lever on the bull stick.

Description

Civil air defense ventilation closed valve

Technical Field

The utility model belongs to the technical field of the airtight valve, especially, people's air defense ventilation airtight valve.

Background

The airtight valve of civil air defense engineering is used for converting a ventilation mode in a ventilation system during civil air defense war to change an air flow path, is suitable for a ventilation and exhaust pipeline taking air as a medium, and is used as a one-way closed-loop mechanism on the pipeline taking air as the medium, the airtight valve has certain shock wave residual pressure resistance, the direction of the medium flow (the direction of the shock wave) is required to be consistent with the direction of an arrow marked on a valve body during installation, at present, when the transportation work of the civil air defense airtight valve is carried out, a deflector rod is usually fixed on a rotating rod in the valve body through a binding wire, and then the deflector rod is installed on the rotating rod of a sealing valve on site, and the installation is very inconvenient.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model provides a civil air defense ventilation airtight valve to solve the above-mentioned problem that prior art exists.

The technical scheme is as follows: the utility model provides a people's air defense ventilation airtight valve, includes the valve body and sets up the bull stick on the valve body, valve body outside level is equipped with the bearing frame, the coaxial bearing that is equipped with in the bull stick outside, the bearing outside and the coaxial fixed connection of bearing frame inner wall, the one end that the bull stick is close to the bearing extends the bearing frame, the extension of bull stick holds the coaxial sleeve that is equipped with in the outside, the vertical driving lever that is equipped with in the sleeve outside, be equipped with the fastener of holding the extension of bull stick at sleeve inside with the locking on the sleeve.

Through adopting above-mentioned technical scheme, cup joint the sleeve and serve at the extension of bull stick, promote the sleeve this moment towards the direction of valve body and hold outside horizontal slip at the extension of bull stick for the extension of bull stick is held inconsistent with telescopic inner wall, locks the extension of bull stick inside the sleeve through the fastener this moment, and then is convenient for install the driving lever on the bull stick.

Preferably, the fastener is including setting up the mounting groove in the sleeve inside, the inside vertical sliding of mounting groove is connected with the push pedal, the vertical spring that is equipped with in push pedal top, the top and the mounting groove cell wall fixed connection of spring, the vertical stopper that is equipped with in push pedal bottom, be equipped with logical groove on the sleeve inner wall, it is inside to lead to the groove to be located the mounting groove, the bull stick outside is equipped with the spacing groove, the stopper deviates from the one end of push pedal and passes logical groove and extend to spacing inslot portion.

Preferably, the top end of the push plate is vertically provided with a connecting rod, the connecting rod is located inside the spring, a through hole is formed in the outer side of the sleeve and located inside the mounting groove, the top end of the connecting rod penetrates through the through hole to extend out of the mounting groove, a pulling block is arranged at the extending end of the connecting rod, and a pulling ring is arranged on the pulling block.

Preferably, the outer side of the rotating rod is horizontally provided with a guide groove, the inner wall of the sleeve is horizontally provided with a guide block, and the guide block is matched with the guide groove.

Preferably, the one end that the bearing frame deviates from the valve body is coaxial flange connection with fixed cover, fixed cover inner wall is rotated with the sleeve outside and is connected, coaxial threaded connection has the baffle between fixed cover and the bearing frame, be equipped with the hole of stepping down on the baffle, the hole of stepping down is located the bull stick outside, one side that the baffle deviates from fixed cover is inconsistent with the bearing.

Preferably, be equipped with the rubber pad on the sleeve inner wall, the rubber pad deviates from one side of sleeve inner wall and contradicts with the extension end of bull stick.

Has the advantages that: cup joint the sleeve and serve in the extension of bull stick, promote the sleeve this moment towards the direction of valve body and hold outside horizontal slip at the extension of bull stick for the extension of bull stick holds and is inconsistent with telescopic inner wall, locks the extension end of bull stick inside the sleeve through the fastener this moment, and then is convenient for install the driving lever on the bull stick.

Drawings

FIG. 1 is a schematic view of the present invention;

fig. 2 is an enlarged view of a in fig. 1 of the present invention.

The reference signs are: 1. a valve body; 11. a rotating rod; 12. a limiting groove; 2. a bearing seat; 21. a bearing; 3. a sleeve; 31. mounting grooves; 32. a through groove; 4. a limiting block; 41. pushing a plate; 42. a connecting rod; 43. a spring; 44. a through hole; 45. pulling the block; 46. a pull ring; 6. a baffle plate; 61. a hole of abdication; 7. a guide block; 71. a guide groove; 8. a rubber pad; 81. a deflector rod; 9. a fixing sleeve.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the present invention.

The utility model provides a people's air defense ventilation airtight valve, as figure 1 and figure 2, including valve body 1 and the bull stick 11 of setting on valve body 1, 1 outside level of valve body is equipped with bearing frame 2, the coaxial bearing 21 that is equipped with in the bull stick 11 outside, the coaxial fixed connection of bearing 21 outside and the 2 inner walls of bearing frame, the one end that the bull stick 11 is close to bearing 21 extends bearing frame 2, the coaxial sleeve 3 that is equipped with in extension end outside of bull stick 11, the vertical driving lever 81 that is equipped with in the sleeve 3 outside, be equipped with on the sleeve 3 and lock the extension end of bull stick 11 at the inside fastener of sleeve 3.

As shown in fig. 1 and 2, the sleeve 3 is sleeved on the extending end of the rotating rod 11, and at this time, the sleeve 3 is pushed towards the valve body 1 to horizontally slide outside the extending end of the rotating rod 11, so that the extending end of the rotating rod 11 is abutted against the inner wall of the sleeve 3, and at this time, the extending end of the rotating rod 11 is locked inside the sleeve 3 through a fastener, thereby facilitating the installation of the shift lever 81 on the rotating rod 11.

As shown in fig. 2, the fastener is including setting up at the inside mounting groove 31 of sleeve 3, the inside vertical sliding of mounting groove 31 is connected with push pedal 41, the vertical spring 43 that is equipped with in push pedal 41 top, the top and the 31 cell wall fixed connection of mounting groove of spring 43, the vertical stopper 4 that is equipped with in push pedal 41 bottom, be equipped with logical groove 32 on the sleeve 3 inner wall, it is inside that logical groove 32 is located mounting groove 31, the bull stick 11 outside is equipped with spacing groove 12, stopper 4 deviates from the one end of push pedal 41 and passes logical groove 32 and extend to spacing groove 12 inside, utilize spring 43's elasticity to promote push pedal 41 and slide in the inside vertical lapse of mounting groove 31, push pedal 41 drives stopper 4 joint in spacing groove 12 this moment, can lock the extension end of bull stick 11 inside sleeve 3 this moment.

As shown in fig. 2, the vertical connecting rod 42 that is equipped with in push pedal 41 top, connecting rod 42 is located inside spring 43, the sleeve 3 outside is equipped with through-hole 44, through-hole 44 is located inside mounting groove 31, the connecting rod 42 top is passed through-hole 44 and is extended mounting groove 31, the extension end of connecting rod 42 is equipped with draws piece 45, be equipped with pull ring 46 on drawing piece 45, vertical pulling pull ring 46 that upwards stimulates, pull ring 46 drives and draws the vertical rebound of piece 45 this moment, draw piece 45 to drive push pedal 41 through connecting rod 42 and inside vertical upwards slide in mounting groove 31 this moment, push pedal 41 drives stopper 4 and extracts spacing groove 12 this moment, and then be convenient for serve the dismantlement with fixed cover 9 from the extension of bull stick 11.

As shown in fig. 2, the outer side of the rotating rod 11 is horizontally provided with a guide groove 71, the inner wall of the sleeve 3 is horizontally provided with a guide block 7, the guide block 7 is matched with the guide groove 71, and the sleeve 3 is prevented from rotating when being installed to cause the limiting block 4 to be clamped in the limiting groove 12 through the matching between the guide groove 71 and the guide block 7.

If fig. 2, the one end coaxial flange that the bearing frame 2 deviates from the valve body 1 is connected with fixed cover 9, the inner wall of fixed cover 9 is connected with the rotation of the sleeve 3 outside, coaxial threaded connection has baffle 6 between fixed cover 9 and the bearing frame 2, be equipped with the hole 61 of stepping down on the baffle 6, the hole 61 of stepping down is located the bull stick 11 outside, one side that baffle 6 deviates from fixed cover 9 is inconsistent with bearing 21, support bearing 21's side tightly through baffle 6, improve bearing 21 and install the stability in the bearing frame 2 inside.

As shown in fig. 2, a rubber pad 8 is disposed on the inner wall of the sleeve 3, one side of the rubber pad 8 away from the inner wall of the sleeve 3 abuts against the extending end of the rotating rod 11, and the rubber pad 8 prevents the extending end of the rotating rod 11 from colliding with the inner wall of the sleeve 3 to cause abrasion.

The working principle is as follows: cup joint sleeve 3 and serve in the extension of bull stick 11, promote sleeve 3 at the extension of bull stick 11 outside horizontal slip towards the direction of valve body 1 this moment, sleeve 3 drives stopper 4 and holds outside horizontal slip to spacing groove 12 directly over in the extension of bull stick 11 this moment, utilize spring 43's elasticity to promote push pedal 41 at the inside vertical lapse of mounting groove 31 this moment, push pedal 41 drives stopper 4 joint in spacing groove 12 this moment, can lock the extension end of bull stick 11 inside sleeve 3 this moment, and then be convenient for install driving lever 81 on bull stick 11, only need vertical upwards to stimulate pull ring 46 during the dismantlement, pull ring 46 drives pull block 45 vertical rebound this moment, pull block 45 drives push pedal 41 through connecting rod 42 at the inside vertical lapse of mounting groove 31 this moment, push pedal 41 drives stopper 4 and extracts spacing groove 12 this moment, can serve the dismantlement from the extension of bull stick 11 with fixed cover 9, and be simple and convenient.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the details of the above embodiments, and the technical solutions of the present invention can be subjected to various equivalent transformations within the scope of the technical idea of the present invention, and these equivalent transformations all belong to the protection scope of the present invention.

Claims

1. The utility model provides a closed valve of people's air defense ventilation, includes valve body (1) and bull stick (11) of setting on valve body (1), its characterized in that, valve body (1) outside level is equipped with bearing frame (2), the coaxial bearing (21) that is equipped with in bull stick (11) outside, the coaxial fixed connection of bearing (21) outside and bearing frame (2) inner wall, the one end that bull stick (11) are close to bearing (21) extends bearing frame (2), the extension end outside coaxial sleeve (3) that are equipped with of bull stick (11), the vertical driving lever (81) that is equipped with in sleeve (3) outside, be equipped with the fastener of locking the extension end of bull stick (11) in sleeve (3) inside on sleeve (3).

2. The civil air defense ventilation sealing valve according to claim 1, characterized in that the fastener comprises a mounting groove (31) arranged inside the sleeve (3), a push plate (41) is connected inside the mounting groove (31) in a vertical sliding manner, a spring (43) is vertically arranged at the top end of the push plate (41), the top end of the spring (43) is fixedly connected with the wall of the mounting groove (31), a limiting block (4) is vertically arranged at the bottom end of the push plate (41), a through groove (32) is arranged on the inner wall of the sleeve (3), the through groove (32) is located inside the mounting groove (31), a limiting groove (12) is arranged outside the rotating rod (11), and one end of the limiting block (4) departing from the push plate (41) penetrates through the through groove (32) and extends into the limiting groove (12).

3. The civil air defense ventilation closed valve according to claim 2, characterized in that a connecting rod (42) is vertically arranged at the top end of the push plate (41), the connecting rod (42) is positioned inside a spring (43), a through hole (44) is arranged at the outer side of the sleeve (3), the through hole (44) is positioned inside the mounting groove (31), the top end of the connecting rod (42) penetrates through the through hole (44) and extends out of the mounting groove (31), a pull block (45) is arranged at the extending end of the connecting rod (42), and a pull ring (46) is arranged on the pull block (45).

4. The civil air defense ventilation closed valve according to claim 1, characterized in that a guide groove (71) is horizontally arranged on the outer side of the rotating rod (11), a guide block (7) is horizontally arranged on the inner wall of the sleeve (3), and the guide block (7) is matched with the guide groove (71).

5. The civil air defense ventilation closed valve according to claim 1, characterized in that, the one end coaxial flange that the bearing frame (2) deviates from the valve body (1) is connected with fixed cover (9), fixed cover (9) inner wall and sleeve (3) outside are rotated and are connected, coaxial threaded connection has baffle (6) between fixed cover (9) and the bearing frame (2), be equipped with the hole of stepping down (61) on baffle (6), the hole of stepping down (61) is located the bull stick (11) outside, one side that baffle (6) deviates from fixed cover (9) offsets with bearing (21).

6. The civil air defense ventilation closed valve according to claim 1, characterized in that a rubber pad (8) is arranged on the inner wall of the sleeve (3), and one side of the rubber pad (8) departing from the inner wall of the sleeve (3) is abutted against the extending end of the rotating rod (11).