CN109915611B

CN109915611B - Gate valve with automatic height adjusting function

Info

Publication number: CN109915611B
Application number: CN201910312102.XA
Authority: CN
Inventors: 姜建清
Original assignee: Changzhou College of Information Technology CCIT
Current assignee: Changzhou College of Information Technology CCIT
Priority date: 2019-04-17
Filing date: 2019-04-17
Publication date: 2020-06-23
Anticipated expiration: 2039-04-17
Also published as: CN109915611A

Abstract

The invention relates to the technical field of valves, in particular to a gate valve with an automatic height adjusting function. According to the gate valve with the automatic height adjusting function, the lifting gate plate consisting of the external gate plate and the internal gate plate is connected inside the main fixing frame in a sliding mode, the internal gate plate and the external gate plate are driven to lift through the main lifting motor, the electromagnet is controlled by the fact that the pressing control switch on the inner bottom surface of the bottom control cylinder is matched with the bottom extrusion floating block inside the bottom control cylinder, and therefore the internal gate plate and the external gate plate are automatically separated according to the water level, the height of the whole gate plate is controlled, and the applicability of the gate plate is greatly improved.

Description

Gate valve with automatic height adjusting function

Technical Field

The invention relates to the technical field of valves, in particular to a gate valve with an automatic height adjusting function.

Background

The gate valve is a shutter plate, the moving direction of which is perpendicular to the fluid direction, and the gate valve can only be fully opened and fully closed, but cannot be adjusted and throttled. Gate valves are sealed by the contact of the valve seat and gate plate, and the sealing surface is usually welded with metal materials to increase wear resistance, such as 1Cr13, STL6, stainless steel, etc. The gate plate is divided into a rigid gate plate and an elastic gate plate according to the difference of the gate plate. The control mechanism of traditional gate valve simple structure, it is simple to control inside flow through single valve lift, leads to damming highly very fixed, leads to the suitability more single.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: in order to solve the problems existing in the background technology, an improved gate valve with an automatic height adjusting function is provided, and the problems that the control mechanism of the traditional gate valve is simple in structure, the interception height is very fixed, and the applicability is single are solved.

The technical scheme adopted by the invention for solving the technical problems is as follows: a gate valve with an automatic height adjusting function comprises a main fixed frame arranged on the inner wall of a water channel, a main lifting motor fixed at the top end of the main fixed frame through bolts, a lifting gate plate connected to a sliding rail on the inner wall of the main fixed frame in a sliding way, and an electromagnet arranged on the lifting gate plate, wherein the lifting gate plate comprises an L-shaped external gate plate and an L-shaped internal gate plate, a longitudinal adjusting internal screw hole with an internal external thread lifting screw rod is formed in the central position of the upper surface of the external gate plate, the upper end of the external thread lifting screw rod is axially and fixedly connected with a rotating shaft at the lower end of the main lifting motor through a coupler, the lifting gate plate is driven to lift in the main fixed frame through the matching of the main lifting motor and the external thread lifting screw rod, a lateral assembling groove is formed in the position, close to the upper end of the side wall of the internal gate, the side direction assembly groove inside be located outside open position and be provided with the side direction fixture block, the side direction fixture block pass through extrusion spring and electromagnet lateral surface elastic connection, the side direction fixture block pass through electromagnet control and stretch out and draw back in the side direction assembly groove, built-in gate board openly correspond side direction assembly groove position and seted up side direction locking groove, external gate board upper surface fixedly connected with n style of calligraphy structure external control frame, the external control frame be located built-in gate board right side fixed connection lower extreme open-ended bottom control section of thick bamboo, bottom control section of thick bamboo inside be provided with bottom extrusion floating block, bottom control section of thick bamboo in on the top surface integrative press control switch who moulds plastics fixedly connected with and be used for controlling the electro-magnet.

Furthermore, for convenience of control, a bottom threading pipe with a built-in signal connecting wire is welded and fixed on the inner bottom surface of the external control frame, and the press control switch is electrically connected with the electromagnet control end through the signal connecting wire in the bottom threading pipe.

Furthermore, in order to conveniently transmit signals, the upper surface of the external gate plate is fixedly welded with a vertical threading pipe of an internal power supply circuit protruding upwards.

Furthermore, in order to improve the lifting stability, the upper surface of the main fixed frame is provided with a guide through hole matched with the longitudinal threading pipe, and the built-in gate plate is inserted into the guide through hole through the longitudinal threading pipe and is movably connected with the main fixed frame.

Furthermore, in order to improve the internal safety, the inner side surface of the bottom control cylinder is in threaded connection with a detachable external thread filter frame at the position of the lower end opening.

Furthermore, in order to avoid collision, a gap is reserved between the inner side of the external control frame and the outer side face of the built-in gate plate.

The gate valve with the automatic height adjusting function has the advantages that the lifting gate plate consisting of the external gate plate and the internal gate plate is connected inside the main fixing frame in a sliding mode, the internal gate plate and the external gate plate are driven to lift through the main lifting motor, the electromagnet is controlled by the aid of the pressing control switch on the inner bottom surface of the bottom control cylinder and the bottom extrusion floating block inside the bottom control cylinder, the internal gate plate and the external gate plate are separated automatically according to water level, the height of the whole gate plate is controlled, and applicability of the gate plate is greatly improved.

Drawings

The invention is further illustrated with reference to the following figures and examples.

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic view of the internal structure of the lateral mounting groove position in the present invention.

In the drawing, 1, a main fixed frame, 2, a main lifting motor, 3, a lifting gate plate, 4, an electromagnet, 5, an external gate plate, 6, an internal gate plate, 7, an external thread lifting screw rod, 8, a lateral assembly groove, 9, a lateral fixture block, 10, an extrusion spring, 11, a lateral locking groove, 12, an external control frame, 13, a bottom control cylinder, 14, a bottom extrusion floating block, 15, a press control switch, 16, a bottom threading pipe, 17, a longitudinal threading pipe, 18, a guide through hole and 19, an external thread filter frame.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.

FIG. 1 and FIG. 2 show a gate valve with automatic height adjustment, which comprises a main fixing frame 1 installed on the inner wall of a water channel, a main lifting motor 2 fixed on the top end of the main fixing frame 1 through bolts, a lifting gate plate 3 slidably connected on a slide rail on the inner wall of the main fixing frame 1, and an electromagnet 4 installed on the lifting gate plate 3, wherein the lifting gate plate 3 comprises an L-shaped external gate plate 5 and an L-shaped internal gate plate 6, a longitudinal adjusting internal screw hole with an internal external thread lifting screw 7 is formed in the central position of the upper surface of the external gate plate 5, the upper end of the external thread lifting screw 7 is axially and fixedly connected with a rotating shaft at the lower end of the main lifting motor 2 through a shaft coupling, the lifting gate plate 3 is driven to lift up and down inside the main fixing frame 1 through the main lifting motor 2 in cooperation with the external thread lifting screw 7, a lateral assembly groove 8 is, electromagnet 4 passes through bolt fixed mounting at 8 medial surfaces of side direction assembly groove, 8 inside outside open positions that are located of side direction assembly groove are provided with side direction fixture block 9, side direction fixture block 9 passes through extrusion spring 10 and 4 outside face elastic connection of electromagnet, side direction fixture block 9 is flexible in 8 inside side direction assembly grooves through electromagnet 4 control, built-in gate panel 6 openly corresponds 8 positions of side direction assembly groove and has seted up side direction locking groove 11, fixed surface is connected with n style of calligraphy structure external control frame 12 on external gate panel 5, external control frame 12 is located 6 right side fixed connection lower extreme open-ended bottom control section of thick bamboo 13 of built-in gate panel, the inside bottom extrusion floater 14 that is provided with of bottom control section of thick bamboo 13, the integrative press control switch 15 that is used for controlling electromagnet 4 of moulding plastics fixedly connected with on the top.

Further, for convenience of control, a bottom threading pipe 16 with a built-in signal connecting wire is welded and fixed on the inner bottom surface of the external control frame 12, a press control switch 15 is electrically connected with a control end of the electromagnet 4 through the signal connecting wire in the bottom threading pipe 16, further, for convenience of signal transmission, a longitudinal threading pipe 17 of a built-in power supply circuit protruding upwards is welded and fixed on the upper surface of the external gate plate 5, further, for the purpose of improving the lifting stability, a guide through hole 18 matched with the longitudinal threading pipe 17 is formed on the upper surface of the main fixing frame 1, the internal gate plate 6 is inserted into the guide through hole 18 through the longitudinal threading pipe 17 and movably connected with the main fixing frame 1, further, for the purpose of improving the internal safety, a detachable external thread filtering frame 19 is connected to the inner side surface of the bottom control cylinder 13 at the lower end opening position through threads, in order to avoid collision, a gap is reserved between the inner side of the external control frame 12 and the outer side of the internal gate plate 6, the gate valve with the automatic height adjusting function is characterized in that a lifting gate plate 3 consisting of an external gate plate 5 and the internal gate plate 6 is connected inside a main fixed frame 1 in a sliding mode, the internal gate plate and the external gate plate are driven to lift through a main lifting motor 2, a pressing control switch 15 on the inner bottom surface of a bottom control cylinder 13 is matched with a bottom extrusion floating block 14 inside the bottom control cylinder 13 to control an electromagnet 4, and therefore the internal gate plate and the external gate plate are automatically separated according to the water level, the height of the whole gate plate is controlled, and the applicability of the gate plate is greatly improved.

In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. The utility model provides a gate valve with automatic height control function, is including installing main fixed frame (1) on the water course inner wall, through main elevator motor (2) of bolt fastening on main fixed frame (1) top, sliding connection lift gate board (3) on main fixed frame (1) inner wall slide rail and install electro-magnet (4) on lift gate board (3), characterized by: the lifting gate plate (3) comprises an L-shaped structure external gate plate (5) and an L-shaped structure internal gate plate (6), a longitudinal adjusting internal screw hole with an internal external thread lifting screw rod (7) is formed in the central position of the upper surface of the external gate plate (5), the upper end of the external thread lifting screw rod (7) is axially and fixedly connected with a rotating shaft at the lower end of a main lifting motor (2) through a coupler, the lifting gate plate (3) is driven to lift in a main fixing frame (1) through the main lifting motor (2) in a way of being matched with the external thread lifting screw rod (7), a lateral assembling groove (8) is formed in the upper end of the side wall of the external gate plate (5) close to the internal gate plate (6), an electromagnet (4) is fixedly installed on the inner side surface of the lateral assembling groove (8) through a bolt, and a lateral clamping block (9) is arranged in the lateral assembling groove (8), the lateral clamping block (9) is elastically connected with the outer side face of the electromagnet (4) through an extrusion spring (10), the lateral clamping block (9) is controlled to stretch out and draw back in the lateral assembling groove (8) through the electromagnet (4), the lateral locking groove (11) is formed in the position, corresponding to the lateral assembling groove (8), of the front face of the built-in gate plate (6), the outer control frame (12) is fixedly connected with the n-shaped structure outer control frame (12) on the upper surface of the external gate plate (5), the outer control frame (12) is located on the right side of the built-in gate plate (6) and fixedly connected with a bottom control cylinder (13) with an opening at the lower end, a bottom extrusion floating block (14) is arranged inside the bottom control cylinder (13), and a pressing control switch (15) used for controlling the electromagnet (4) is integrally and fixedly connected to the inner top face of.

2. The gate valve with automatic height adjusting function according to claim 1, wherein: and a bottom threading pipe (16) with a built-in signal connecting wire is welded and fixed on the inner bottom surface of the external control frame (12), and the press control switch (15) is electrically connected with the control end of the electromagnet (4) through the signal connecting wire in the bottom threading pipe (16).

3. The gate valve with automatic height adjusting function according to claim 1, wherein: the upper surface of the external gate plate (5) is fixedly welded with a vertical threading pipe (17) of an internal power supply circuit which protrudes upwards.

4. The gate valve with automatic height adjusting function according to claim 3, wherein: the upper surface of the main fixed frame (1) is provided with a guide through hole (18) matched with the longitudinal threading pipe (17), and the built-in gate plate (6) is inserted into the guide through hole (18) through the longitudinal threading pipe (17) and is movably connected with the main fixed frame (1).

5. The gate valve with automatic height adjusting function according to claim 1, wherein: the inner side surface of the bottom control cylinder (13) is in threaded connection with a detachable external thread filter frame (19) at the position of the lower end opening.

6. The gate valve with automatic height adjusting function according to claim 1, wherein: and a gap is reserved between the inner side of the external control frame (12) and the outer side surface of the built-in gate plate (6).