CN2646209Y - Flashboard gate valve for ditch - Google Patents

Abstract

The utility model relates to flashboard type gate valve technology in water and electricity engineering, and is a flashboard gate valve for ditch. The utility model comprises a groove gate, a gate frame, a top girder, a gate on-off device; the upper end of the gate frame is fixed on the top girder; one end of the on-off device is fixed on the top girder, the other end of the on-off device is connected to the gate; the lower end of the gate frame is fixed to the bottom gate groove. The utility model is characterized in that the gate frame is of a pentacle structure, the gate frame facing to the water is tilted to the gate; side sealing rubber is connected with the water-facing face of the gate frame; the outside of the side sealing rubber is tightly stuck to the gate. The utility model is of simple structure, small start force, convenient and flexible operation, convenient manufacturing; one end of the side sealing rubber is fixed on the water-facing face of the gate frame and is tightly stuck to the water-facing face of the gate; without the help of water pressure, good side sealing can be formed because of the extrusion action of water pressure even if the water pressure difference is very small.

Description

A kind of canal plate gate valve

Technical field

The utility model relates to the medium and small water channel of hydraulic engineering board plug type gate valve technology.

Background technology

Traditional water channel steel gate valve, doorframe are generally " Contraband " shape, and at the land side of door body caulking gum are set, and make caulking gum be adjacent to doorframe by water pressure or wedging mechanism, seal., water little when water channel pressure reduction after a little while, sealing effectiveness is not good.

Technical scheme

The purpose of this utility model provide a kind of at little water channel or hydraulic pressuring difference hour, use light, that sealing effectiveness is good a kind of canal plate gate valve.

The purpose of this utility model is achieved in that and comprises lock groove door body, doorframe, back timber, door body headstock gear, its doorframe upper end is affixed with back timber, and headstock gear one end is fixed on the back timber, and the other end is connected with the door body, fixedly connected with end lock groove in the doorframe lower end, characteristics are that doorframe is The shape structure, the doorframe of the side that meets water tilts towards the door body, continued access side seal rubber on the upstream face of doorframe, this side seal is close to a body as the outer end of glue.

The utility model is simple in structure, and hoisting capacity is little, and is flexible to operation, easily manufactured, side seal rubber one end is fixed on the upstream face of doorframe, and is close to a body upstream face, need not by water pressure, even when differential water pressures is very little, also can form good side seal owing to the squeezing action of hydraulic pressure.

The utility model forms no gap with end caulking gum and cooperates owing to be provided with end caulking gum at the lock trench bottom when the door body falls, sealing effectiveness is good.

Description of drawings

Fig. 1 is the utility model structural representation;

Fig. 2 is that Figure 1A-A is to amplifying cut-away view;

Fig. 3 is that Figure 1B-B is to amplifying cut-away view.

Among the figure, the 1st, a body, the 2nd, doorframe, the 3rd, back timber, the 4th, headstock gear, the 5th, screw mandrel, the 6th, side seal rubber, the 7th, lock groove, the 8th, end caulking gum.

Specific embodiment

Doorframe 2 of the present utility model is fixedlyed connected with back timber 3, and headstock gear 4 is fixed on the back timber 3, and headstock gear 4 is provided with screw mandrel 5, and screw mandrel 5 is connected with door body 1, is provided with reinforcing rib on door body 1.The structure of doorframe 2 is Shape, 2 sections on upstream face doorframe tilts towards door body 1, and side seal rubber 6 fixedly continued access and is close to the upstream face of a body 1 along the inclined-plane of doorframe 2 on the inclined-plane of doorframe 2, reach good sealing.Fixedly connected with lock groove 7 in the lower end of doorframe 2, end caulking gum 8 is arranged in the end lock groove 7, when door body 1 falls, utilizes the deadweight of door body 1 to cooperate with the no gap of end caulking gum 8 formation, reaches the purpose of excellent sealing.

Claims (2)

1, a kind of canal plate gate valve comprises lock groove door body, doorframe, back timber, door body headstock gear, and its doorframe upper end is affixed with back timber, headstock gear one end is fixed on the back timber, the other end is connected with the door body, and fixedlying connected with end lock groove in the doorframe lower end, it is characterized in that doorframe is

The shape structure, the doorframe of the side that meets water tilts towards the door body, continued access side seal rubber on the upstream face of doorframe, this side seal is close to a body as the outer end of glue.

2, a kind of canal plate gate according to claim 1 is characterized in that being provided with end caulking gum at the lock trench bottom.

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