CN217784356U

CN217784356U - Double-rod type quick-opening fire-fighting gate valve

Info

Publication number: CN217784356U
Application number: CN202122964564.5U
Authority: CN
Inventors: 徐礼转; 徐春花; 徐礼永
Original assignee: Zhengyi Valve Technology Co ltd
Current assignee: Zhengyi Valve Technology Co ltd
Priority date: 2021-11-29
Filing date: 2021-11-29
Publication date: 2022-11-11
Anticipated expiration: 2031-11-29

Abstract

The utility model belongs to the technical field of valves, in particular to double-rod type quick-opening fire-fighting gate valve, the structure of which comprises a valve body, a mounting disc, a valve cover, a valve, a rotating device and a stabilizing device, wherein the rotating device is fixedly arranged outside the valve, and the stabilizing device is fixedly arranged outside the rotating device; through set up stabilising arrangement in gear wheel bottom, support the rotatory third bull stick of gear wheel in the middle of the shell inboard, with the thrust bearing fixed stability of upper and lower position when providing the rotation, encircle the stability of position when fixed with angular contact ball bearing when providing the rotation, improve the stability of hand wheel operation greatly.

Description

Double-rod type quick-opening fire-fighting gate valve

Technical Field

The utility model belongs to the technical field of the valve, in particular to double-rod type opens gate valve for fire control soon.

Background

The gate valve is a flashboard of an opening and closing piece, the movement direction of the flashboard is vertical to the fluid direction, and the gate valve can only be fully opened and fully closed and cannot be adjusted and throttled;

the gate valve also can be used when fire-fighting lock water is used, but the problem of inefficiency is opened to the neotype this gate valve of prior art.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

In order to overcome prior art not enough, now propose double-rod type and open gate valve for fire control soon to solve this gate valve and open the problem of inefficiency, through adopting the commentaries on classics between promoting the structure in order to improve the beneficial effect who opens efficiency.

(II) technical scheme

The utility model discloses a following technical scheme realizes: the utility model provides a double-rod type quick-opening fire-fighting gate valve, which comprises a valve body, an installation disc, a valve cover, a valve, a rotating device and a stabilizing device, wherein the rotating device is fixedly arranged outside the valve, the stabilizing device is fixedly arranged outside the rotating device, the installation disc is symmetrically and fixedly connected with the front end and the rear end of the valve body, the valve cover is fixedly arranged at the top end of the valve body, the valve is arranged in the valve body, and the top end and the bottom end of the valve cover are fixedly penetrated through by the valve;

the rotating device comprises a first rotating rod, a pinion, a gearwheel, a second rotating rod and a hand wheel, the pinion is fixedly connected to the top end of the first rotating rod, the gearwheel is meshed with the outside of the pinion, the second rotating rod is fixedly connected to the top end of the gearwheel, the hand wheel is fixedly connected to the top end of the second rotating rod, and the first rotating rod is fixedly connected to the top end of the valve;

the stabilizing device comprises a shell, a thrust bearing, a third rotating rod and an angular contact ball bearing, wherein the bottom end of the inner wall of the shell is fixedly connected with the thrust bearing, the middle part of the top end of the thrust bearing is fixedly connected with the third rotating rod, the upper part of the inner side of the shell is fixedly connected with the angular contact ball bearing, the third rotating rod penetrates through the middle parts of the two ends of the top of the angular contact ball bearing, the third rotating rod is fixedly connected with the angular contact ball bearing, the top end of the third rotating rod is fixedly connected with a large gear, and the shell is fixedly connected to the top end of a valve cover.

Furthermore, a rubber layer is arranged on the outer surface of the hand wheel, and anti-skid grains are arranged on the outer surface of the rubber layer.

(III) advantageous effects

Compared with the prior art, the utility model, following beneficial effect has:

1) Through set up rotary device on the valve top, attach the hand wheel through the hand grab, exert the turning force again for gear wheel and second bull stick are rotatory, and the gear wheel drives first bull stick and pinion and rotates, and the girth of gear wheel is great, and rotatory a week can drive the pinion rotation more than a week promptly, has reached through adopting to change the beneficial effect who promotes the structure in order to improve opening efficiency between.

2) Through set up stabilising arrangement in the gear wheel bottom, support the rotatory third bull stick of gear wheel in the middle of the shell inboard, with the fixed stability that provides position about when rotatory of footstep bearing, encircle the stability of position when providing the rotation with angular contact ball bearing is fixed, improve the stability of hand wheel operation greatly.

Drawings

Other features, objects and advantages of the invention will become more apparent upon reading of the detailed description of non-limiting embodiments with reference to the following drawings:

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

FIG. 2 is a schematic view of the front view of the partial cross-section structure of the present invention;

in the figure: the valve comprises a valve body-1, a mounting disc-2, a valve cover-3, a valve-4, a rotating device-5, a stabilizing device-6, a first rotating rod-51, a pinion-52, a gearwheel-53, a second rotating rod-54, a hand wheel-55, a shell-61, a thrust bearing-62, a third rotating rod-63 and an angular contact ball bearing-64.

Detailed Description

Referring to fig. 1 and 2, the present invention provides a double-rod quick-opening fire-fighting gate valve: the valve comprises a valve body 1, a mounting disc 2, a valve cover 3, a valve 4, a rotating device 5 and a stabilizing device 6, wherein the rotating device 5 is fixedly arranged on the outer side of the valve 4, and the stabilizing device 6 is fixedly arranged on the outer side of the rotating device 5.

Wherein, both ends symmetry rigid coupling has mounting disc 2 around the valve body 1 for the connection of use position, and valve gap 3 is equipped with admittedly on valve body 1 top, and valve 4 is provided with to valve gap 3 top and bottom both ends are through valve 4 is fixed running through.

Referring to fig. 1 and 2, the rotating device 5 includes a first rotating rod 51, a small gear 52, a large gear 53, a second rotating rod 54 and a hand wheel 55, the small gear 52 is fixedly connected to the top end of the first rotating rod 51, the large gear 53 is engaged with the outer side of the small gear 52, the second rotating rod 54 is fixedly connected to the top end of the large gear 53, the hand wheel 55 is fixedly connected to the top end of the second rotating rod 54, and the first rotating rod 51 is fixedly connected to the top end of the valve 4.

Wherein, the outer surface of the hand wheel 55 is provided with a rubber layer, and a protective material is additionally arranged, so that the protection is improved.

The outer surface of the rubber layer is provided with anti-skid grains, so that friction force is increased, and operation and rotation are facilitated.

Referring to fig. 1 and 2, the stabilizing device 6 includes a housing 61, a thrust bearing 62, a third rotating rod 63 and an angular ball bearing 64, the thrust bearing 62 is fixedly connected to the bottom end of the inner wall of the housing 61, the third rotating rod 63 is fixedly connected to the middle of the top end of the thrust bearing 62 to provide stability of the vertical position during rotation, the angular ball bearing 64 is fixedly connected to the upper portion of the inner side of the housing 61, the third rotating rod 63 penetrates through the middle of the top and bottom ends of the angular ball bearing 64, the third rotating rod 63 is fixedly connected to the angular ball bearing 64 to provide stability of the surrounding position during rotation, the top end of the third rotating rod 63 is fixedly connected to the large gear 53, and the housing 61 is fixedly connected to the top end of the valve cover 3.

The working principle is as follows: firstly, taking out the double-rod type quick-start fire-fighting gate valve, and connecting the gate valve to a using position through an installation plate 2;

then, when the valve is used, the rotating device 5 arranged at the top end of the valve 4 is used for grabbing the hand wheel 55 by hands, and then, a rotating force is applied, so that the large gear 53 and the second rotating rod 54 rotate, the large gear 53 drives the first rotating rod 51 and the small gear 52 to rotate, the circumference of the large gear 53 is larger, namely, the large gear rotates for a circle, the small gear 52 can be driven to rotate for more than one circle, and the beneficial effect of improving the opening efficiency by adopting an intermittent rotation lifting structure is achieved;

then, according to the above, by arranging the stabilizing device 6 at the bottom end of the large gear 53, the third rotating rod 63 supporting the large gear 53 to rotate is fixed with the thrust bearing 62 in the inner side of the housing 61 to provide stability of the up-and-down position during rotation, and is fixed with the angular contact ball bearing 64 to provide stability of the surrounding position during rotation, so that the stability of the operation of the hand wheel 55 is greatly improved;

finally, the first rotating rod 51 drives the valve 4 to open, and the fluid can flow through the valve body 1.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. Two rod-type quick-opening gate valves for fire control, its characterized in that: the valve comprises a valve body (1), an installation disc (2), a valve cover (3), a valve (4), a rotating device (5) and a stabilizing device (6), wherein the rotating device (5) is fixedly arranged on the outer side of the valve (4), and the stabilizing device (6) is fixedly arranged on the outer side of the rotating device (5);

the rotating device (5) comprises a first rotating rod (51), a small gear (52), a large gear (53), a second rotating rod (54) and a hand wheel (55), the small gear (52) is fixedly connected to the top end of the first rotating rod (51), the large gear (53) is meshed to the outer side of the small gear (52), the second rotating rod (54) is fixedly connected to the top end of the large gear (53), the hand wheel (55) is fixedly connected to the top end of the second rotating rod (54), and the first rotating rod (51) is fixedly connected to the top end of the valve (4);

stabilising arrangement (6) are including shell (61), footstep bearing (62), third bull stick (63) and angular contact ball bearing (64), shell (61) inner wall bottom rigid coupling has footstep bearing (62), footstep bearing (62) top middle part rigid coupling has third bull stick (63), shell (61) inboard upper portion rigid coupling has angular contact ball bearing (64), third bull stick (63) run through angular contact ball bearing (64) top bottom both ends middle part, and third bull stick (63) and angular contact ball bearing (64) fixed connection, third bull stick (63) top and gear wheel (53) fixed connection, shell (61) rigid coupling in valve gap (3) top.

2. The double-rod quick-opening fire-fighting gate valve according to claim 1, characterized in that: the valve is characterized in that mounting discs (2) are symmetrically and fixedly connected to the front end and the rear end of the valve body (1), a valve cover (3) is fixedly mounted at the top end of the valve body (1), a valve (4) is arranged inside the valve body (1), and the top end and the bottom end of the valve cover (3) are fixedly penetrated through the valve (4).

3. The gate valve for fire control of double-rod type of opening soon of claim 1, characterized by: and a rubber layer is arranged on the outer surface of the hand wheel (55).

4. The gate valve for fire control of double-rod type of opening soon of claim 3, characterized by: the outer surface of the rubber layer is provided with anti-skid grains.