Combined gate valve

Abstract

A combined gate valve comprises a lifting gate plate, the lifting gate plate is installed in a frame, a driving assembly and a lifting assembly are installed in the frame, the lifting assembly is connected with the upper end of the lifting gate plate, and the combined gate valve further comprises a fixed gate plate, an installation plate set, a guide plate set and a base. Mounting plate groups are respectively mounted on the inner sides of two sides of the frame, guide plate groups are mounted in the mounting plate groups, and the lifting flashboard is movably inserted in the guide plate groups; the fixed flashboard is installed on a plate body on the water outlet side of the installation plate set, a through hole is formed in the center of the fixed flashboard, and a connecting joint communicated with the through hole is arranged on the back face of the fixed flashboard. According to the utility model, the fixed flashboard with the connecting joint is additionally arranged, so that sealing connection with a pre-buried cement pipeline can be realized, and convenience and rapidness are realized; convex-concave structures of the lifting flashboard and the base are improved, so that impurities are effectively prevented from being gathered in grooves, and the sealing effect of the flashboard is improved; the guide plate group is arranged between the flashboard and the frame to guide the up-and-down movement of the lifting flashboard, so that the movement stability of the lifting flashboard is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a gate valve for farmland irrigation, in particular to a combined gate valve used in cooperation with a cement pipeline. BACKGROUND

[0002] In the conventional gate valve, only one lifting gate plate is generally included, and the control of flow is realized by the lifting height of the lifting gate plate. However, it is found in the actual use that if the gate valve is to be stably installed on the cement pipeline which has been pre-buried, a rectangular sealing pipe needs to be additionally installed on the back of the frame to realize the communication with the cement pipeline. This way is time-consuming and laborious, and cannot well realize the sealing communication. In addition, in the existing gate valve, the lower edge of the lifting gate plate is a convex structure, and the upper surface of the base matched with the lifting gate plate is a groove. In the use process, the impurities in the water are easily accumulated in the groove, which not only affects the sealing effect of the lifting gate plate, but also affects the service life of the lifting gate plate. SUMMARY

[0003] The utility model provides a combined gate valve which is suitable for the sealing connection of the pre-buried cement pipeline and is not easy to accumulate impurities in view of the technical defects mentioned in the background art.

[0004] To achieve the above technical purpose, the utility model adopts the technical scheme of a combined gate valve, which comprises a lifting gate plate, the lifting gate plate is installed in a frame, a driving assembly and a lifting assembly are installed in the frame, the lifting assembly is connected with the upper end of the lifting gate plate, and the combined gate valve further comprises a fixed gate plate, a mounting plate set, a guide plate set and a base.

[0005] The inner sides of the two sides of the frame are respectively provided with the mounting plate set, the guide plate set is installed in the mounting plate set, and the lifting gate plate is movably inserted into the guide plate set.

[0006] As a preferred technical scheme, each mounting plate set comprises two oppositely arranged strip-shaped mounting plates, and the inner side edges of the mounting plates are fixedly connected with the frame.

[0007] As a preferred technical scheme, each guide plate set comprises two oppositely arranged strip-shaped guide plates, the guide plate set is arranged between the mounting plates, the two guide plates are fixedly connected with the mounting plates through connecting pieces to form a guide groove.

[0008] As a preferred technical scheme, the base is fixedly installed on the inner bottom of the frame, and the upper edge of the base is a convex structure which is matched with an inner groove arranged at the lower edge of the lifting gate plate.

[0009] As a preferred technical scheme, the outer edges of the convex structure and the inner groove are provided with guide angles.

[0010] As a preferred technical scheme: the upper part of the frame is provided with a downward extending vertical mounting strip, and an upper stroke limiting part is mounted on the vertical mounting strip; the middle part of the frame is provided with a horizontally extending horizontal mounting strip, and a lower stroke limiting part is mounted on the horizontal mounting strip; the upper stroke limiting part and the lower stroke limiting part are vertically aligned, so that the lifting position of the lifting gate is monitored.

[0011] As a preferred technical scheme: the lifting assembly and the lifting gate are provided with a connecting assembly; the connecting assembly comprises a connecting frame, a connecting disc and connecting bolts; the connecting frame is connected with the lifting gate through the connecting bolts, the connecting disc is fixedly connected on the connecting frame, and the connecting disc is connected with the lower end of the lifting assembly through a connecting piece.

[0012] As a preferred technical scheme: the connecting frame is a frame structure with an open lower surface, and is buckled on the upper surface of the lifting gate; the connecting bolts pass through through holes in the lifting gate and connect the lower end two side plates of the connecting frame.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The fixed gate with the connecting joint is additionally arranged on the back of the traditional lifting gate, can realize sealing connection with the embedded cement pipeline, and is convenient and fast.

[0015] The convex and concave structures of the lifting gate and the base are improved, so that the impurities accumulated in the groove are effectively avoided, and the sealing effect of the gate is improved.

[0016] The guide plate set is arranged between the gate and the frame, the up-down movement of the lifting gate is guided, and the stability of the movement is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a front structure schematic view of the utility model.

[0018] Figure 2 It is a back structure schematic view of the utility model.

[0019] Figure 3 It is a part of the lifting gate lifting structure schematic view of the utility model.

[0020] Figure 4 It is a whole structure schematic view of the utility model.

[0021] Figure 5 It is a connecting joint structure schematic view of the utility model.

[0022] Figure 6 It is a concave and convex structure schematic view between the lifting gate and the base of the utility model.

[0023] Figure 7The utility model discloses a mounting position schematic view of mounting plate group and guide plate group.

[0024] In the drawing: driving assembly 1, frame 2, lifting gate plate 3, mounting plate group 4, guide plate group 5, base 6, fixed gate plate 7, connecting joint 8, lifting assembly 9, connecting assembly 10, solar panel 11, upper stroke limit 12, lower stroke limit 13, connecting frame 14, connecting disc 15, connecting bolt 16, vertical mounting strip 17, horizontal mounting strip 18, battery 19. DETAILED DESCRIPTION

[0025] The utility model will be further explained in connection with the drawings and examples.

[0026] Referring to the drawings Figures 1-7 The utility model discloses a combined gate valve, which is an improved gate valve and comprises a lifting gate plate 3, a frame 2, a driving assembly 1, a lifting assembly 9, a fixed gate plate 7, a mounting plate group 4, a guide plate group 5 and a base 6. The two inner sides of the frame 2 are respectively provided with the mounting plate group 4, the guide plate group 5 is installed in the mounting plate group 4, and the lifting gate plate 3 is movably inserted into the guide plate group 5. The fixed gate plate 7 is installed on the plate body on the water outlet side of the mounting plate group 4, a through hole for water passing is arranged in the center of the fixed gate plate 7, and a connecting joint 8 penetrating the through hole is arranged on the back of the fixed gate plate 7.

[0027] Each mounting plate group 4 comprises two oppositely arranged strip-shaped mounting plates, and the inner side edges of the mounting plates are fixedly connected to the frame 2. Each guide plate group 5 comprises two oppositely arranged strip-shaped guide plates, and the guide plate group 5 is arranged between the two plate bodies of each mounting plate group 4. The two guide plates are fixedly connected to the mounting plates by bolts or other connecting members to form a guide groove. A long strip-shaped hole is arranged on the mounting plate to adjust the up-down position of the guide plate and the mounting plate.

[0028] As a preferred embodiment, the base 6 is fixedly installed on the inner bottom of the frame 2 by a connecting member. The upper edge of the base 6 is a convex structure, which is matched with an inner groove arranged on the lower edge of the lifting gate plate 3. The convex structure on the lower edge of the lifting gate plate 3 is inserted into the groove on the upper edge of the base 6 to realize sealing. As a preferred embodiment, the outer edges of the convex structure and the inner groove are provided with guide angles. In this embodiment, the upper edge of the base is an inner concave curved surface, and the lower edge of the lifting gate plate 3 is an outer convex curved surface matched with the inner concave curved surface.

[0029] As a preferred technical solution, a vertical mounting strip 17 extending downward is arranged on the top of the frame 2, and an upper stroke limit 12 is arranged on the vertical mounting strip 17. A horizontal mounting strip 18 extending horizontally is arranged in the middle of the frame, and a lower stroke limit 13 is arranged on the horizontal mounting strip 18. The upper stroke limit 12 and the lower stroke limit 13 are vertically aligned to monitor the lifting position of the lifting gate plate.

[0030] In this embodiment, the lifting rod of the lifting assembly 9 is a screw rod, the upper end of which is connected with the output end of the driving assembly 1 through a gear to realize transmission. The lower end of the screw rod is connected with the connecting assembly 10 between the lifting gate 3. The connecting assembly 10 comprises a connecting frame 14, a connecting disc 15 and connecting bolts 16; the connecting frame 14 is connected with the upper part of the lifting gate 3 through the connecting bolts 16, the connecting disc 15 is fixed on the upper part of the connecting frame 14 and connected with the flange plate at the lower end of the screw rod in the lifting assembly 1 through bolts and other connecting members. After the driving assembly 1 is driven, the lifting assembly 9 moves upward and drives the lifting gate to move upward, and the middle and lower parts of the lifting gate freely move in the guide groove formed by the guide plate group.

[0031] As a preferred technical solution, the solar panel 11 is installed on the top outside the frame 2, the solar panel 11 is connected with the battery 19 inside the frame, the battery 19 is connected with the driving assembly 1, and the driving assembly 1 is provided with electric energy.

Claims

1. A combined gate valve comprising a gate lift, the gate lift being mounted in a frame, a drive assembly and a lift assembly being mounted in the frame, the lift assembly being connected to an upper end of the gate lift, characterized in that: It also includes fixed gate, mounting plate group, guide plate group and base; The frame is provided with mounting plate group on both sides of the inner side, and the guide plate group is installed in the mounting plate group, and the lifting gate is movably installed in the guide plate group; the fixed gate is installed on the plate body on the water outlet side of the mounting plate group, the central part of the fixed gate is provided with a through hole, and the back surface is provided with a connecting joint penetrating the through hole.

2. The combination gate valve of claim 1, wherein: Each mounting plate group includes two oppositely arranged strip-shaped mounting plates, and the inner side edges of the mounting plates are fixedly connected with the frame.

3. The combination gate valve of claim 2, wherein: Each guide plate group includes two oppositely arranged strip-shaped guide plates, and the guide plate group is arranged between the mounting plates, and the two guide plates are fixedly connected with the mounting plates through connecting members to form a guide groove.

4. The combination gate valve of claim 1, wherein: The base is fixedly installed on the inner bottom of the frame, the upper edge of the base is a convex structure, and the convex structure is matched with the inner groove arranged on the lower edge of the lifting gate.

5. The combination gate valve of claim 4, wherein: The outer edges of the convex structure and the inner groove are provided with guide angles.

6. The combination gate valve of claim 2, wherein: A vertical mounting strip extending downward is arranged on the inner top of the frame, and an upper stroke limiting part is mounted on the vertical mounting strip; a horizontal mounting strip extending horizontally is arranged on the middle part of the frame, and a lower stroke limiting part is mounted on the horizontal mounting strip; the upper stroke limiting part and the lower stroke limiting part are vertically aligned to monitor the lifting position of the lifting gate.

7. The combination gate valve of claim 1, wherein: A connecting assembly is arranged between the lifting assembly and the lifting gate; the connecting assembly includes a connecting frame, a connecting disc and connecting bolts; the connecting frame is connected with the lifting gate through the connecting bolts, the connecting disc is fixedly connected on the upper surface of the connecting frame, and the lower end of the lifting assembly is connected with the connecting disc through the connecting member.

8. The combination gate valve of claim 7, wherein: A solar panel is installed on the top of the frame, the solar panel is connected with the battery in the frame, and the battery is connected with the driving assembly.

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