Sight glass valve

Abstract

The sight glass valve comprises a connecting plate, a dustproof cover and a fixing device, mounting holes are formed in the upper end, the lower end, the front end and the rear end of the connecting plate, a cavity pipe is fixedly connected to the middle of the inner side of the connecting plate, a front plate is fixedly connected to the middle of the front side of the cavity pipe, and stabilizing bolts are in threaded connection with the four corners of the front plate. The top end of the front side of the front plate is rotationally connected with a dust cover, the middle of the front plate is fixedly connected with a visual window, the left end of the front side face of the visual window is fixedly connected with a flow dial gauge, the bottom end of the front side of the front plate is provided with a storage groove, and the bottom end of the rear side of the dust cover is fixedly connected with a connecting block. A fixing device is fixedly connected to the front side of the bottom end of the front plate, a vertical rod is fixedly connected to the top end in the middle section of the cavity pipe through screws, and a floating ball is connected to the outer side of the vertical rod in a penetrating mode. According to the sight glass valve, the water flow can be checked conveniently, and dust prevention treatment can be conducted on the sight glass valve conveniently.

Description

Technical Field

[0001] The utility model relates to the technical field related to valves, in particular to a sight glass valve. Background Art

[0002] Sight glass valve is a commonly used equipment in industry, such as the observation port of some equipment, some production that requires sealing, but also requires regular observation of the internal reaction of the equipment. The sight glass is a window for producers to understand the product production and equipment operation status. Whether the actual situation can be clearly observed and the production conditions of the product can be accurately adjusted according to the actual situation is the main factor affecting the product qualification rate.

[0003] The Chinese utility model patent with reference authorization announcement number CN217355808U discloses a flow-visible sight glass valve, which relates to the valve-related technical field, including a valve body with a cavity, wherein the two ends of the valve body are respectively provided with a water inlet and a water outlet connected to the cavity, and the two sides of the valve body are respectively provided with flange-sealed glass sight glasses, and the cavity of the valve body is also provided with a flow monitoring component, wherein the flow monitoring component includes a fixed ring, a drive cover, and a water inlet pipe arranged at the water inlet, the fixed ring is sleeved at the end of the water inlet pipe, a connecting block is provided at the upper end of the fixed ring, the drive cover covers the water outlet of the water inlet pipe, and the upper end of the drive cover is hinged on the connecting block, and an extension block is provided at the lower end of the drive cover, and an indicator rod extending to the glass sight glasses on both sides of the valve body is provided at the bottom of the extension block, and a flow scale matched with the indicator rod is provided on the glass sight glass. The practical sight glass valve can observe the real-time flow in the valve through the flow scale provided on the glass sight glass, thereby improving the safety of production;

[0004] However, the existing technology has the problem that the sight glass valve can see the internal situation of the pipeline, which is not convenient for checking the water flow rate, and the visual window is prone to dust accumulation, which is not convenient for dust prevention;

[0005] For this reason, we propose a sight glass valve to solve the above problems. Utility Model Content

[0006] The purpose of the utility model is to provide a sight glass valve to solve the problems in the prior art proposed in the above background technology that the sight glass valve can see the internal situation of the pipeline, which is not convenient for checking the water flow rate, and the visual window is prone to dust accumulation and is not convenient for dust prevention.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a sight glass valve, comprising a connecting plate, a dust cover and a fixing device, wherein the upper and lower front and rear ends of the connecting plate are provided with mounting holes, and the middle part of the inner side of the connecting plate is fixedly connected with a cavity tube, and the middle part of the front side of the cavity tube is fixedly connected with a front plate, the four corners of the front plate are threadedly connected with fixing bolts, and the top end of the front side of the front plate is rotatably connected with the dust cover, and the middle part of the front plate is fixedly connected with a visual window, and the left end of the front side of the visual window is fixedly connected with a flow scale;

[0008] A storage groove is provided at the front bottom end of the front plate, a connecting block is fixedly connected to the rear bottom end of the dust cover, a fixing device is fixedly connected to the front side of the bottom end of the front plate, a vertical rod is fixedly connected to the top end of the middle section of the hollow tube by screws, and a floating ball is passed through the outer side of the vertical rod.

[0009] Preferably, connecting plates are fixedly connected to both left and right sides of the cavity tube.

[0010] Preferably, the rear end of the stabilizing bolt is threadedly connected to the front side of the middle portion of the cavity tube.

[0011] Preferably, the connecting block is snap-connected to the storage slot.

[0012] Preferably, the fixing device is composed of a first circular ring, a fixing plate, a second circular ring, a movable rod, a handle and a baffle, a fixing plate is installed on the right side of the first circular ring, a second circular ring is installed on the right side of the fixing plate, and the movable rod is slidably connected inside the second circular ring, a handle is fixedly connected to the middle part of the outer side of the movable rod, and a baffle is fixedly connected to the right side of the handle.

[0013] Preferably, the first ring and the fixing plate are both fixedly connected to the bottom end of the front plate.

[0014] Preferably, the second ring is fixedly connected to the rear side of the bottom end of the dust cover.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the sight glass valve is convenient for checking the water flow rate and for carrying out dust prevention treatment on the sight glass valve;

[0016] 1. A flow scale is fixedly connected to the left end of the front side of the viewing window. A vertical rod is fixedly connected to the top of the middle section of the cavity tube by screws. A floating ball is slidably connected to the outside of the vertical rod. When water flows through the cavity tube, the floating ball will float on the upper end of the water flow. The water flow rate can be determined by the flow scale, which is convenient for checking the water flow rate;

[0017] 2. A dust cover is rotatably connected to the front side of the front plate, and a connecting block fixedly connected to the rear side of the bottom end of the dust cover is snap-connected to the storage groove at the bottom end of the front side of the front plate. The bottom end of the dust cover is fixed to the front plate by a fixing device, which is convenient for dustproofing the sight glass valve. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 This is a perspective structural diagram of the utility model;

[0019] Figure 2 This is a schematic diagram of the front view structure of the utility model;

[0020] Figure 3 It is a side view cutaway structural schematic diagram of the utility model;

[0021] Figure 4 For this utility model Figure 1 Enlarged structural diagram at A in the middle.

[0022] In the figure: 1. connecting plate; 2. mounting hole; 3. cavity tube; 4. front plate; 5. fixing bolt; 6. dust cover; 7. visual window; 8. flow scale; 9. storage slot; 10. connecting block; 11. fixing device; 1101. first ring; 1102. fixing plate; 1103. second ring; 1104. moving rod; 1105. handle; 1106. baffle; 12. vertical rod; 13. floating ball. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] See also Figure 1-4 The utility model provides a technical solution: a sight glass valve, including a connecting plate 1, a mounting hole 2, a cavity tube 3, a front plate 4, a fixing bolt 5, a dust cover 6, a visual window 7, a flow scale 8, a storage slot 9, a connecting block 10, a fixing device 11, a first ring 1101, a fixing plate 1102, a second ring 1103, a moving rod 1104, a handle 1105, a baffle 1106, a vertical rod 12 and a floating ball 13.

[0025] The upper and lower front and rear ends of the connecting plate 1 are provided with mounting holes 2, the middle part of the inner side of the connecting plate 1 is fixedly connected with a cavity tube 3, the left and right sides of the cavity tube 3 are fixedly connected with the connecting plate 1, the middle front side of the cavity tube 3 is fixedly connected with a front plate 4, the upper and lower left and right ends of the front plate 4 are threadedly connected with fixing bolts 5, the rear end of the fixing bolts 5 is threadedly connected to the middle front side of the cavity tube 3, the top front side of the front plate 4 is fixedly connected with a hinge, the other end of the hinge is fixedly connected with a dust cover 6, the dust cover 6 is rotatably connected to the front side of the front plate 4 through the hinge, the middle part of the front plate 4 is fixedly connected with a visual window 7, the front left end of the visual window 7 is fixedly connected with a flow scale 8, the front bottom end of the front plate 4 is provided with a storage groove 9, the rear bottom end of the dust cover 6 is fixedly connected with a connecting block 10, when the dust cover 6 is closed on the front side of the front plate 4, the connecting block 10 is snap-connected in the storage groove 9;

[0026] The front side of the bottom end of the front plate 4 is fixedly connected with a fixing device 11, which is composed of a first ring 1101, a fixing plate 1102, a second ring 1103, a moving rod 1104, a handle 1105 and a baffle 1106. The first ring 1101 is fixedly connected to the front side of the bottom end of the front plate 4, and a fixing plate 1102 is installed on the right side of the first ring 1101. A protruding block is provided at the bottom end of the front side of the fixing plate 1102. A hole is provided at the front end of the protruding block, and the fixing plate 1102 is also fixedly connected to the front side of the bottom end of the front plate 4. A second ring 1103 is installed on the right side of the fixing plate 1102, and the second ring 1103 is fixedly connected to the rear side of the bottom end of the dust cover 6. A moving rod 1104 is slidably connected inside the second ring 1103, and a handle 1105 is fixedly connected to the middle of the outer side of the moving rod 1104. A hole is provided in the middle of the bottom end of the handle 1105. The handle 1105 The right side of the front plate 4 is fixedly connected with a baffle 1106, and the second ring 1103 is installed on the inner side of the handle 1105 and the baffle 1106. The handle 1105 and the baffle 1106 can prevent the moving rod 1104 from being separated from the second ring 1103 when moving. When the dust cover 6 covers the front side of the front plate 4, hold the handle 1105, first move the moving rod 1104 to the rightmost end, and then align the left end of the moving rod 1104 with the first ring 1101 and move it to the left. Rod 1104, after the moving rod 1104 is moved to a suitable position, the moving rod 1104 is rotated downward so that the hole at the bottom end of the handle 1105 passes through the protruding block at the bottom end of the front side of the fixing plate 1102, and the rear side of the handle 1105 fits with the front side of the fixing plate 1102. An empty lock or other device can be inserted into the hole opened at the front end of the protruding block at the bottom end of the front side of the fixing plate 1102 to fix the handle 1105 on the fixing plate 1102 to prevent the dust cover 6 from being opened;

[0027] The top of the middle inner part of the cavity tube 3 is fixedly connected with a vertical rod 12 by screws, and the bottom surface of the vertical rod 12 fits with the inner bottom surface of the cavity tube 3. The outer side of the vertical rod 12 is slidably connected with a floating ball 13. When water flows in the cavity tube 3, the water flow will lift the floating ball 13. The floating ball 13 is at the upper end of the water flow. By comparing the position of the floating ball 13 on the flow scale 8, the water flow rate can be judged. The above completes a series of operations of the sight glass valve. The contents not described in detail in this description belong to the existing technology known to professional and technical personnel in this field.

[0028] The standard parts used in the utility model can all be purchased from the market, and special-shaped parts can be customized according to the instructions and the drawings. The specific connection methods of each part adopt the conventional means such as mature bolts, rivets, welding, etc. in the existing technology. The machinery, parts and equipment all adopt the conventional models in the existing technology, and the circuit connection adopts the conventional connection method in the existing technology, which will not be described in detail here.

[0029] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A sight glass valve, comprising a connecting plate (1), a dust cover (6) and a fixing device (11), characterized in that: The upper and lower front and rear ends of the connecting plate (1) are both provided with mounting holes (2), and the middle part of the inner side of the connecting plate (1) is fixedly connected to a cavity tube (3), and the middle part of the front side of the cavity tube (3) is fixedly connected to a front plate (4), the four corners of the front plate (4) are all threadedly connected to fixing bolts (5), and the front top end of the front plate (4) is rotatably connected to a dust cover (6), and the middle part of the front plate (4) is fixedly connected to a viewing window (7), and the left end of the front side of the viewing window (7) is fixedly connected to a flow scale (8); A storage groove (9) is provided at the front bottom end of the front plate (4), a connecting block (10) is fixedly connected to the rear bottom end of the dust cover (6), a fixing device (11) is fixedly connected to the front side of the bottom end of the front plate (4), a vertical rod (12) is fixedly connected to the top end of the middle section of the hollow tube (3) by screws, and a floating ball (13) is connected to the outside of the vertical rod (12).

2. A sight glass valve according to claim 1, characterized in that: The left and right sides of the hollow tube (3) are both fixedly connected with connecting plates (1).

3. A sight glass valve according to claim 1, characterized in that: The rear end of the stabilizing bolt (5) is threadedly connected to the front side of the middle part of the cavity tube (3).

4. A sight glass valve according to claim 1, characterized in that: The connecting block (10) is snap-connected with the storage groove (9).

5. The sight glass valve according to claim 1, characterized in that: The fixing device (11) is composed of a first circular ring (1101), a fixing plate (1102), a second circular ring (1103), a moving rod (1104), a handle (1105) and a baffle (1106); the fixing plate (1102) is installed on the right side of the first circular ring (1101), the second circular ring (1103) is installed on the right side of the fixing plate (1102), and the moving rod (1104) is slidably connected inside the second circular ring (1103); the handle (1105) is fixedly connected to the middle part of the outer side of the moving rod (1104), and the baffle (1106) is fixedly connected to the right side of the handle (1105).

6. A sight glass valve according to claim 5, characterized in that: The first circular ring (1101) and the fixing plate (1102) are both fixedly connected to the bottom end of the front plate (4).

7. The sight glass valve according to claim 5, characterized in that: The second circular ring (1103) is fixedly connected to the rear side of the bottom end of the dust cover (6).

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