Simple gate valve
By using a gate plate and sealing structure design, the problem of poor sealing performance of traditional gate valves is solved, achieving high sealing performance and easy maintenance of the gate valve.
Patent Information
- Application Number
- CN202520330649.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-27
- Publication Date
- 2025-12-16
- Estimated Expiration
- 2035-02-27
AI Technical Summary
Traditional gate valves have poor sealing performance and are inconvenient to maintain.
The gate is made of plates and is driven to rise and fall by the valve stem. Combined with the sealing pair and sealing ring in the valve body, a sealing structure is formed. The sealing edge of the gate and the valve body is designed in a V shape to enhance the sealing effect. During maintenance, the valve stem and gate are removed as an integrated structure by opening the valve cover.
It achieves high sealing performance and easy maintenance of gate valves, with a simple structure and convenient assembly and maintenance.
Smart Images
Figure CN223677055U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to gate valve technical field, concretely relates to a simple gate valve. BACKGROUND
[0002] The gate valve is a gate board, and the movement direction of the gate board is perpendicular to the fluid direction, so that the gate valve is opened and closed. The traditional gate valve comprises a valve body with a fluid passage and a valve rod for opening and closing the fluid passage. One end of the valve rod is located in the valve body, and the other end is located outside the valve body. A hand wheel is arranged at the end of the valve rod outside the valve body. The valve body is moved up and down by rotating the hand wheel, so that the gate valve is opened and closed. The gate valve is widely used in pipelines of tap water, sewage, construction, petroleum, chemical industry, food, medicine, light textile, metallurgy system, etc. as a regulating and intercepting device. At present, most of the gate valves sold on the market have poor sealing performance. SUMMARY
[0003] The utility model discloses a simple gate valve structure, which has the characteristics of simple structure, strong sealing performance, easy disassembly and convenient maintenance.
[0004] In order to achieve the above purpose, the utility model adopts the technical scheme of a simple gate valve, which comprises a valve body, a gate plate arranged in the valve body and a driving unit. The driving unit comprises a valve rod with a spiral groove. An installation groove is arranged on the gate plate. An installation block with a sliding block is arranged in the installation groove. The valve rod penetrates the gate plate. A guide block is arranged in the valve body. A guide groove is arranged on the gate plate. The sliding block slides in the spiral groove. When the valve rod rotates, the gate plate is driven to vertically lift.
[0005] As a further arrangement of the above-mentioned scheme, a sealing pair is arranged on the valve body, and a sealing ring is arranged on the gate plate. The sealing pair and the sealing ring are used to form a sealing isolation between the valve body and the gate plate when the valve is closed.
[0006] As a further arrangement of the above-mentioned scheme, the sealing pair and the sealing ring are inclined relative to the extension direction of the valve rod. The gate plate is arranged in a V-shaped structure matching the valve body.
[0007] As a further arrangement of the above-mentioned scheme, a valve cover and a valve plate cavity are further arranged on the valve body. A sealing structure is arranged between the valve body and the valve cover to form the valve plate cavity by bolt sealing and clamping. The valve plate cavity is used for accommodating the gate plate when the valve is opened.
[0008] As a further arrangement of the above-mentioned scheme, the gate plate is composed of two sheet plates. An empty groove is arranged in the gate plate. One end of the valve rod extends into the empty groove. The gate plate moves up and down along the valve rod.
[0009] Beneficial effects: the gate valve of the utility model is through the gate board of the sheet board, through the lifting of the valve stem drive gate board, cooperation valve body inside sealing pair forms the seal, realizes the cut-off and the conduction to the medium flow channel in the valve body, is provided in the edge middle empty groove of the sealing cooperation of the gate board and the valve body, when V type is pressed down, has certain sealing reverse elastic force and strengthens the sealing effect, the gate board structure of this embodiment is simple, and the gate board is constituted by the sheet board, which is more convenient for assembly production, simple to manufacture, and the valve stem and the gate board can be taken out integrally by opening the valve cover during maintenance, thereby facilitating maintenance and maintenance. BRIEF DESCRIPTION OF DRAWINGS
[0010] Figure 1 It is the gate valve structure schematic diagram of the utility model.
[0011] Figure 2 It is the gate valve internal structure schematic diagram of the embodiment.
[0012] Figure 3 It is the cross section schematic diagram of the gate valve medium flow direction of the embodiment.
[0013] Figure 4 It is the cross section schematic diagram of the gate valve medium transverse of the embodiment.
[0014] Figure 5 It is the cross section schematic diagram of the gate valve inside of the embodiment.
[0015] Reference signs: 1, valve body;11, guide block;2, gate board;21, installation groove;22, sliding block;23, mounting block;24, guide groove;25, empty groove;29, sheet board;3, drive unit;31, valve stem;32, spiral groove;41, sealing pair;42, sealing ring;5, valve cover;51, valve plate cavity. DETAILED DESCRIPTION
[0016] In order to more clearly understand the above-mentioned purposes, features and advantages of the utility model, the utility model is further described in detail below in combination with the drawings and specific embodiments.It should be noted that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.
[0017] As Figures 1-5 shown, a simple gate valve includes a valve body 1 and a gate board 2 and a drive unit 3 arranged in the valve body 1, the drive unit 3 includes a valve stem 31 with a spiral groove 32, the gate board 2 is provided with an installation groove 21, the installation groove 21 is provided with a mounting block 23 with a sliding block 22, the valve stem 31 penetrates the gate board 2, the valve body 1 is provided with a guide block 11, the gate board 2 is provided with a guide groove 24, the sliding block 22 slides in the spiral groove 32, and the gate board 2 is vertically lifted when the valve stem 31 rotates.
[0018] As a further arrangement of the above-mentioned solution, the valve body 1 is provided with a sealing pair 41, and the gate plate 2 is provided with a sealing ring 42, which are used to form a sealing isolation between the valve body 1 and the gate plate 2 when the valve is closed, and the sealing pair 41 and the sealing ring 42 are inclined relative to the extension direction of the valve rod 31, and the gate plate 2 is provided in a V-shaped structure to match the valve body 1.
[0019] As a further arrangement of the above-mentioned solution, the valve body 1 is further provided with a valve cover 5 and a valve plate cavity 51, and a sealing structure is provided between the valve body 1 and the valve cover 5 to form the valve plate cavity 51 by bolt sealing engagement, and the valve plate cavity 51 is used to accommodate the gate plate 2 when the valve is opened.
[0020] As a further arrangement of the above-mentioned solution, the gate plate 2 is composed of two sheet plates 29, and the gate plate 2 is provided with an empty slot 25, and one end of the valve rod 31 extends into the empty slot 25, and the gate plate 2 moves up and down along the valve rod 31.
[0021] Referring to the gate valve of the present embodiment shown in 1-5, it is composed of a valve body 1, a gate plate 2 and a driving unit 3, and the valve rod 31 of the driving unit 3 is rotated by the hand wheel driving of the driving unit 3, and the spiral groove 32 matches the slider 22 in the fixed mounting block 23 of the gate plate 2 when the valve rod 31 is rotated, and based on the setting of the guide groove 24 of the gate plate 2 and the guide block 11 on the valve body 1, the gate plate 2 vertically rises and falls relative to the valve body 1, and in the rising and falling process, the gate plate 2 composed of two sheet plates 29 in a V-shaped structure cooperates with the valve body 1 to seal, and in the sealing process, the part of the gate plate 2 with the sealing ring 42 on the edge abuts against the part of the valve body 1 with the sealing pair 41, and under the pressure of the valve rod 31, the gate plate 2 cooperates with the valve body 1 to seal, and based on the fact that the connection of the gate plate 2 is located at the middle edge with a certain elastic deformation force, the deformation recovery force under pressure can provide elastic countersealing force for the sealing part.
[0022] As a further arrangement of the above-mentioned solution, the valve body 1 is provided with a sealing pair 41, and the gate plate 2 is provided with a sealing ring 42, which are used to form a sealing isolation between the valve body 1 and the gate plate 2 when the valve is closed, and the sealing pair 41 and the sealing ring 42 are inclined relative to the extension direction of the valve rod 31, and the gate plate 2 is provided in a V-shaped structure to match the valve body 1.
[0023] As a further arrangement of the above-mentioned solution, the valve body 1 is further provided with a valve cover 5 and a valve plate cavity 51, and a sealing structure is provided between the valve body 1 and the valve cover 5 to form the valve plate cavity 51 by bolt sealing engagement, and the valve plate cavity 51 is used to accommodate the gate plate 2 when the valve is opened, and the valve plate cavity 51 is provided, which has two functions, one is that the valve rod 31 can remain axially fixed without being exposed outside the valve body 1, and the other is to provide a cavity for the gate plate 2 to rise and fall in communication with the medium flow channel.
[0024] As further arrangement of the above-mentioned scheme, the gate plate 2 is composed of two pieces of plate 29, and the gate plate 2 is provided with an empty slot 25, the valve rod 31 is extended into the empty slot 25, and the gate plate 2 is movable along the valve rod 31, and the empty slot 25 provides space for the extension and retraction of the valve rod 31.
[0025] As the above-mentioned structural arrangement, the gate valve of the utility model is composed of the plate, the gate plate is driven to lift by the valve rod, the sealing is formed by the cooperation of the sealing pair in the valve body, the cut-off and conduction of the medium flow channel in the valve body are realized, the empty slot is arranged in the middle of the edge of the gate plate and the valve body, and the sealing effect is strengthened by the certain reverse elastic force when the V-shaped gate plate is pressed, in addition, as shown in the reference Figures 1-5 The gate plate is composed of the plate, and the gate plate is simple in structure, convenient in assembly and production, simple in manufacture, and convenient in maintenance.
[0026] Obviously, those skilled in the art can make various modifications and variations to the utility model without departing from the spirit and scope of the utility model. Thus, if these modifications and variations of the utility model belong to the scope of the utility model scheme and equivalent technologies, the utility model also intends to include these modifications and variations.
Claims
1. A simple gate valve, characterized by: The utility model relates to a valve body (1) and the gate (2) and drive unit (3) of setting in valve body (1) inside, drive unit (3) includes the valve stem (31) with spiral groove (32), the gate (2) is equipped with the installation groove (21) on, the installation groove (21) is equipped with the installation block (23) with slider (22) in, the valve stem (31) penetrates the gate (2), the valve body (1) is equipped with the guide block (11), and the gate (2) is equipped with the guide groove (24), the slider (22) is located in spiral groove (32) sliding, drives the gate (2) vertical lift when the valve stem (31) rotates.
2. A simple gate valve according to claim 1, characterized in that: The valve body (1) is equipped with a sealing pair (41), and the gate (2) is equipped with a sealing ring (42), and the sealing pair (41) and the sealing ring (42) are used to form a sealed isolation between the valve body (1) and the gate (2) when the valve is closed.
3. A simple gate valve according to claim 2, characterized in that: The sealing pair (41) and the sealing ring (42) are inclined relative to the extension direction of the valve stem (31), and the gate (2) is in V-shaped structure and is matched with the valve body (1).
4. A simple gate valve according to claim 1, characterized in that: The valve body (1) is further equipped with a valve cover (5) and a valve plate cavity (51), and a sealing structure is arranged between the valve body (1) and the valve cover (5) to form the valve plate cavity (51) by bolt sealing buckling, and the valve plate cavity (51) is used for accommodating the gate (2) when the valve is opened.
5. A simple gate valve according to claim 1, characterized in that: The gate (2) is composed of two sheet plates (29), and the gate (2) is provided with an empty groove (25), one end of the valve stem (31) extends into the empty groove (25), and the gate (2) moves up and down along the valve stem (31).