Valve flange protective cover

Abstract

The utility model relates to the technical field of valves, in particular to a valve flange protective cover. Comprising a limiting pressing ring, a sealing gasket and multiple sets of fastening modules, the sealing gasket is fixedly connected with the limiting pressing ring, each fastening module comprises a mounting rod, a fixing frame, a fastening spring, a clamping block and a fastening piece, the mounting rods are fixedly connected with the limiting pressing ring and located on the outer side wall of the limiting pressing ring, and the fixing frames are fixedly connected with the mounting rods and located on the outer side wall of the mounting rods; the fastening spring is arranged in the fixing frame, the two ends of the fastening spring are connected with the fixing frame and the clamping block correspondingly, the fastening piece is fixedly connected with the clamping block and located on the outer side wall of the clamping block, and through the structure, the effects that the stability when the sealing gasket is connected with the valve is improved, the sealing gasket and the valve are prevented from falling off in the transportation process, and the protection performance is affected are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of valves, in particular to a valve flange protection cover. Background Technique

[0002] Valves are widely used in industrial production, and their flange joints are key parts that are easily damaged and accumulate dust. In the prior art, a valve flange protection cover is disclosed in a patent application with the publication number of CN210716194U. A sealing gasket is used to block the valve port, and a limit retaining ring is used to limit the sealing gasket so as to take out the sealing gasket.

[0003] However, in the above structure, only the friction between the sealing gasket itself and the valve is relied on to achieve connection with the valve, and the stability is not good. The sealing gasket is likely to fall off from the valve during transportation, affecting the protection performance. Content of the Utility Model

[0004] The purpose of the utility model is to provide a valve flange protection cover, which solves the problem that the sealing gasket is likely to fall off from the valve during transportation, affecting the protection performance.

[0005] To achieve the above purpose, a valve flange protection cover adopted by the utility model includes a limit retaining ring, a sealing gasket and a plurality of fastening modules. The sealing gasket is fixedly connected to the limit retaining ring. The fastening module includes a mounting rod, a fixed frame, a fastening spring, a clamping block and a fastener. The mounting rod is fixedly connected to the limit retaining ring and is located on the outer side wall of the limit retaining ring. The fixed frame is fixedly connected to the mounting rod and is located on the outer side wall of the mounting rod. The fastening spring is arranged inside the fixed frame, and two ends of the fastening spring are respectively connected to the fixed frame and the clamping block. The fastener is fixedly connected to the clamping block and is located on the outer side wall of the clamping block.

[0006] Wherein, the fastening module further includes a limit cylinder and a limit rod. The limit cylinder is fixedly connected to the fixed frame and is located inside the fixed frame. One end of the limit rod is slidably connected to the fixed frame, and the other end of the limit rod is fixedly connected to the clamping block.

[0007] Wherein, the fastening module further includes a guiding arc block. The guiding arc block is fixedly connected to the clamping block and is located on the outer side wall of the clamping block.

[0008] Wherein, the valve flange protection cover further includes a taking module. The limit retaining ring has an engaging groove, and the taking module is arranged in the engaging groove.

[0009] Among them, the taking module includes a fitting post, a moving rod, a return spring and a handle. The two ends of the handle are respectively connected with the moving rod. The moving rod is slidably connected with the fitting post. The two ends of the return spring are respectively connected with the fitting post and the moving rod.

[0010] Among them, the taking module further includes a limiting block. The fitting post has a limiting groove. The limiting block is fixedly connected with the moving rod and is located on the outer side wall of the moving rod. And the limiting block is slidably arranged in the limiting groove.

[0011] For a valve flange protection cover of the present utility model, a sealing gasket is used to block the valve port, and a limiting pressing ring is used to limit the sealing gasket. At the same time, multiple groups of the fastening modules are used to clamp the outer side wall of the valve port. During the connection process, the clamping block is squeezed. At this time, the fastening spring is compressed. After connecting the sealing gasket with the valve port, under the action of the fastening spring, the fastener closely adheres to the outer side wall of the valve port. The clamping blocks in multiple groups of the fastening modules simultaneously clamp the outer side wall of the valve port, so as to improve the stability when connecting with the valve and prevent the sealing gasket from falling off the valve during transportation, thus affecting the protection performance. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is a schematic structural diagram of the whole of the first embodiment of the present utility model.

[0014] Figure 2 It is a front view of the whole of the first embodiment of the present utility model.

[0015] Figure 3 It is a side view of the whole of the first embodiment of the present utility model.

[0016] Figure 4 It is of the present utility model Figure 3 Structural sectional view taken along line A-A.

[0017] Figure 5 It is a schematic structural diagram of the whole of the second embodiment of the present utility model.

[0018] Figure 6 It is a structural sectional view of the whole of the second embodiment of the present utility model.

[0019] 101 - Limit pressing ring, 102 - Sealing gasket, 103 - Installation rod, 104 - Fixed frame, 105 - Tightening spring, 106 - Clamping block, 107 - Fastener, 108 - Limit cylinder, 109 - Limit rod, 110 - Guiding arc block, 201 - Fitting column, 202 - Limit groove, 203 - Moving rod, 204 - Return spring, 205 - Handle, 206 - Limit block, 207 - Fitting groove. Detailed implementation manners

[0020] The embodiments of the present utility model will be described in detail below. Examples of the embodiments are shown in the accompanying drawings, where the same or similar reference numerals denote the same or similar elements or elements having the same or similar functions throughout. The embodiments described below by referring to the accompanying drawings are exemplary and are intended to explain the present utility model, and should not be construed as a limitation to the present utility model.

[0021] First embodiment

[0022] Please refer to Figures 1 to 4 , wherein Figure 1 is the overall structural schematic diagram of the first embodiment, Figure 2 is the front view of the overall structure of the first embodiment, Figure 3 is the side view of the overall structure of the first embodiment, Figure 4 is Figure 3 the sectional view of the A - A line structure of

[0023] The present utility model provides a valve flange protection cover: including a limit pressing ring 101, a sealing gasket 102 and multiple groups of fastening modules. The fastening modules include an installation rod 103, a fixed frame 104, a tightening spring 105, a clamping block 106, a fastener 107, a limit cylinder 108, a limit rod 109 and a guiding arc block 110.

[0024] For this specific implementation manner, the sealing gasket 102 is fixedly connected to the limit pressing ring 101. The sealing gasket 102 is used to block the valve port, and the limit pressing ring 101 is used to limit the sealing gasket 102. At the same time, multiple groups of the fastening modules are used to clamp the outer side wall of the valve port, so as to improve the stability when connecting to the valve and prevent the sealing gasket 102 from falling off the valve during transportation, thus affecting the protection performance.

[0025] Among them, the mounting rod 103 is fixedly connected to the limiting pressure ring 101 and is located on the outer side wall of the limiting pressure ring 101. The fixed frame 104 is fixedly connected to the mounting rod 103 and is located on the outer side wall of the mounting rod 103. The fastening spring 105 is arranged inside the fixed frame 104. Both ends of the fastening spring 105 are connected to the fixed frame 104 and the clamping block 106 respectively. The fastener 107 is fixedly connected to the clamping block 106 and is located on the outer side wall of the clamping block 106. During the connection process, the clamping block 106 is squeezed. At this time, the fastening spring 105 is compressed. After connecting the sealing gasket 102 to the valve port, under the action of the fastening spring 105, the fastener 107 closely adheres to the outer side wall of the valve port. The clamping blocks 106 in multiple groups of the fastening modules simultaneously clamp the outer side wall of the valve port, obtaining the effect of improving the stability when connecting to the valve and preventing the sealing gasket 102 from falling off the valve during transportation, which affects the protection performance.

[0026] Secondly, the limiting cylinder 108 is fixedly connected to the fixed frame 104 and is located inside the fixed frame 104. One end of the limiting rod 109 is slidably connected to the fixed frame 104, and the other end of the limiting rod 109 is fixedly connected to the clamping block 106. The fastening spring 105 respectively surrounds the outer side walls of the limiting cylinder 108 and the limiting rod 109. The limiting rod 109 slides inside the limiting cylinder 108, and the limiting rod 109 cooperates with the limiting cylinder 108 to improve the stability of the fastening spring 105.

[0027] At the same time, the guiding arc block 110 is fixedly connected to the clamping block 106 and is located on the outer side wall of the clamping block 106. During the connection process, the arc surface of the guiding arc block 110 contacts the valve port, and the guiding arc block 110 is stressed and squeezes the clamping block 106. At this time, the fastening spring 105 is compressed.

[0028] When using the present utility model, the gasket 102 is used to block the valve port, and the limiting retaining ring 101 is used to limit the gasket 102. At the same time, multiple groups of the fastening modules are used to clamp the outer wall of the valve port. During the connection process, the arc surface of the guiding arc block 110 contacts the valve port, and the guiding arc block 110 is stressed, squeezing the clamping block 106. At this time, the fastening spring 105 is compressed. After connecting the gasket 102 to the valve port, the fastener 107 is made of rubber material. Under the action of the fastening spring 105, the clamping block 106 slides in the fixed frame 104, and the fastener 107 closely adheres to the outside of the valve port. The fastening spring 105 respectively surrounds the outer walls of the limiting cylinder 108 and the limiting rod 109. The limiting rod 109 slides in the limiting cylinder 108, and the limiting rod 109 cooperates with the limiting cylinder 108 to improve the stability of the fastening spring 105. The clamping blocks 106 in multiple groups of the fastening modules simultaneously clamp the outer wall of the valve port, obtaining the effect of improving the stability when connecting to the valve and preventing the gasket 102 from falling off the valve during transportation, affecting the protection performance.

[0029] Second Embodiment

[0030] Please refer to Figure 5 and Figure 6 wherein Figure 5 is the overall structural schematic diagram of the second embodiment, Figure 6 is the overall structural sectional view of the second embodiment.

[0031] Based on the first embodiment, a valve flange protection cover of the present utility model further includes a taking module. The taking module includes a fitting column 201, a moving rod 203, a return spring 204, a handle 205, and a limiting block 206.

[0032] The limiting retaining ring 101 has a fitting groove 207, and the taking module is arranged in the fitting groove 207. Using the taking module facilitates splitting the limiting retaining ring 101 from the valve port.

[0033] Both ends of the handle 205 are respectively connected with the moving rod 203. The moving rod 203 is slidably connected with the fitting column 201. Both ends of the return spring 204 are respectively connected with the fitting column 201 and the moving rod 203. When separating the limiting retaining ring 101 from the valve port or moving the limiting retaining ring 101, hold the handle 205 and apply force. At this time, the moving rod 203 and the fitting column 201 slide relative to each other until the handle 205 is completely exposed. The limiting retaining ring 101 can be separated from the valve port or the limiting retaining ring 101 can be moved through the handle 205.

[0034] The fitting column 201 has a limit groove 202. The limit block 206 is fixedly connected to the moving rod 203 and is located on the outer side wall of the moving rod 203. The limit block 206 is slidably arranged in the limit groove 202. The limit block 206 slides in the limit groove 202. The limit block 206 cooperates with the limit groove 202 to limit the length formed between the moving rod 203 and the fitting column 201.

[0035] Under normal circumstances, under the action of the return spring 204, the moving rod 203 and the fitting column 201 are both arranged in the fitting groove 207, so that the handle 205 is placed in the fitting groove 207 for transportation. When separating the limit pressing ring 101 from the valve port or moving the limit pressing ring 101, hold the handle 205 and apply force. At this time, the moving rod 203 and the fitting column 201 slide relative to each other. The limit block 206 slides in the limit groove 202. The limit block 206 cooperates with the limit groove 202 to limit the length formed between the moving rod 203 and the fitting column 201 until the handle 205 is completely exposed. The limit pressing ring 101 can be separated from the valve port or the limit pressing ring 101 can be moved through the handle 205.

[0036] The above-disclosed are only two preferred embodiments of the present invention. Of course, the scope of the rights of the present invention cannot be limited thereby. Those of ordinary skill in the art can understand all or part of the processes of implementing the above embodiments, and the equivalent changes made according to the claims of the present invention still fall within the scope covered by the present invention.

Claims

1. A valve flange protection cover, comprising a limiting pressure ring and a sealing gasket, the sealing gasket is fixedly connected to the limiting pressure ring, and is characterized in that, it further comprises a plurality of fastening modules, each fastening module includes a mounting rod, a fixing frame, a fastening spring, a clamping block and a fastener, the mounting rod is fixedly connected to the limiting pressure ring and is located on the outer side wall of the limiting pressure ring, the fixing frame is fixedly connected to the mounting rod and is located on the outer side wall of the mounting rod, the fastening spring is arranged inside the fixing frame, two ends of the fastening spring are respectively connected to the fixing frame and the clamping block, and the fastener is fixedly connected to the clamping block and is located on the outer side wall of the clamping block.

2. The valve flange protection cover according to claim 1, characterized in that, the fastening module further comprises a limiting cylinder and a limiting rod, the limiting cylinder is fixedly connected to the fixing frame and is located inside the fixing frame, one end of the limiting rod is slidably connected to the fixing frame, and the other end of the limiting rod is fixedly connected to the clamping block.

3. The valve flange protection cover according to claim 1, characterized in that, the fastening module further comprises a guiding arc block, the guiding arc block is fixedly connected to the clamping block and is located on the outer side wall of the clamping block.

4. The valve flange protection cover according to claim 1, characterized in that, the valve flange protection cover further comprises a taking module, the limiting pressure ring has a fitting groove, and the taking module is arranged in the fitting groove.

5. The valve flange protection cover according to claim 4, characterized in that, the taking module includes a fitting post, a moving rod, a return spring and a handle, both ends of the handle are respectively connected with the moving rod, the moving rod is slidably connected to the fitting post, and two ends of the return spring are respectively connected to the fitting post and the moving rod.

6. The valve flange protection cover according to claim 5, characterized in that, the taking module further comprises a limiting block, the fitting post has a limiting groove, the limiting block is fixedly connected to the moving rod and is located on the outer side wall of the moving rod, and the limiting block is slidably arranged in the limiting groove.

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