Closed type electric gate valve
A plug-in valve, closed-type technology, applied in the direction of sliding valve, valve details, valve device, etc., can solve the problems of large space occupied, large volume, single installation method on the installation site, etc., to ensure normal use and improve valve performance. Effect
Pending Publication Date: 2022-01-11
YANGQUAN VALVE CO LTD
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Problems solved by technology
It solves the problems of the existing fully enclosed electric slide valve with large volume, single installation method, and large space occupation on the installation site, and provides a horizontal installation method on a vertical pipeline, which is safer and more reliable, and significantly improves valve performance, sealing effect and use. life
Method used
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[0034] Such as Figure 1-8 As shown, a closed electric plug-in valve consists of a foot 1, a small box cover 12, a valve body 2, two side covers, a blind plate 26, a through plate 25, a roller 18, a roller shaft 19, a connecting plate 20, a partition Ring, supporting arm 14, supporting wheel 23, supporting shaft 21, pin shaft 22, bushing 24, clamping shaft 11, clamping nut, square sleeve 16, clamping support 10, manhole cover 4, pull plate shaft 7 , pull plate cover 27, transmission support 6, spring pressing plate, protective device, limit block, bellows and transmission device etc. are formed. The transmission device includes a valve travel device 8 and a clamping transmission device 9. The two side covers are side cover one 3 and side cover two 5. Body tube one can be an upper body tube, and body tube two can be a lower body tube.
[0035] The valve body 2 is provided with an upper body cylinder and a lower body cylinder with coincident axes, the upper body cylinder is fi...
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The invention discloses a closed type electric gate valve which comprises a valve body. A first body cylinder and a second body cylinder are arranged in the valve body, the axes of the first body cylinder and the second body cylinder coincide with each other, and a guide rail is arranged between the first body cylinder and the second body cylinder and is perpendicular to the axis of the first body cylinder. A valve walking device, a blind plate and a through plate are arranged on the valve body. The valve walking device drives the blind plate and the through plate to move on the guide rail. A clamping transmission device, a supporting arm and a supporting shaft are arranged on the valve body. The supporting shaft is rotationally connected with the middle of the supporting arm, the other end of the supporting arm is limited in a limiting groove in the side wall of the second body barrel, the clamping transmission device drives one end of the supporting arm to rotate around the supporting shaft, and the other end of the supporting arm drives the second body cylinder to reciprocate along the axis. When clamping is needed, according to the advantage of horizontal installation, the lever principle is used for loosening and clamping, the lead screw and nut transmission principle is used for switching the through plate and the blind plate, the installation space of the valve is much smaller than that of a common gate valve, and the defects that a closed type electric gate valve is large in friction resistance, large in noise and the like are overcome.
Description
technical field [0001] The invention relates to the technical field of gate valves, in particular to a closed electric gate valve. Background technique [0002] Existing closed electric gate valve is made up of left valve body, middle valve body, right valve body, blind plate, through plate, valve plate traveling mechanism, valve unclamping and clamping mechanism, electric actuator etc. The traveling mechanism is a sprocket chain structure; the unclamping mechanism is a gear ring or pull rod structure. Its specific working principle is as follows: when loosening and clamping, the electric actuator drives the main transmission rod to rotate, the main transmission rod drives the ring gear, the ring gear drives the auxiliary transmission rod to rotate, and at the same time, it rotates forward (or reverse), so that The left and right valve bodies are loosened (or clamped); another electric actuator is used to drive the blind plate to slide, and the sprocket chain mechanism is u...
Claims
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IPC IPC(8): F16K3/02F16K3/30F16K27/04F16K31/04F16K31/50F16K37/00
CPCF16K3/0227F16K3/0281F16K3/30F16K27/044F16K31/04F16K31/50F16K37/00
Inventor 韩晓君梁志宝赵爱花
Owner YANGQUAN VALVE CO LTD