Glasses valve with sealing ring convenient to replace

Abstract

The utility model discloses a glasses valve convenient to replace a sealing ring, which comprises two adjacent square frames which are fixedly connected, round frames are arranged in the square frames, a blocking plate is arranged in one of the round frames, tripods are arranged at four corners in the square frames, nuts are fixedly arranged on the tripods, and the glasses valve further comprises a positioning frame. The round frame is fixed to a proper position through the positioning frame sliding on the tripod, so that the round frame can rotate under the abutting connection of the positioning wheel and the round frame, a sealing ring at the high position can be installed by rotating the round frame, and high-altitude operation of workers is avoided; through the arrangement of the supporting frame and the connecting frame, the two tripods at the top are hardly stressed after the round frame is changed from fixing to rotating, and under the matched pulling of the supporting frame and the connecting frame, when the two tripods at the lower part are stressed greatly, the two tripods at the upper part can be pulled downwards and the two tripods at the lower part can be pulled mutually to balance stress; therefore, the overall stability of the glasses valve is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to glasses valve of convenient replacement sealing ring technical field, especially a glasses valve of convenient replacement sealing ring. BACKGROUND

[0002] A large amount of blast furnace gas and converter gas is generated in the smelting process of blast furnace and converter, the two kinds of gas are recovered and delivered to hot blast stove, coal injection flue gas furnace, sintering machine, shaft furnace and steel heating furnace as fuel, and the glasses valve is used as a partition device in the process of gas recovery, delivery and use. The large blast furnace and converter gas generation is large, and the gas pipeline diameter is large, and the diameter of part of the gas pipeline is even more than 3 meters, and the diameter of the matched glasses valve is also more than 3 meters.

[0003] The glasses valve is a double valve plate structure, one valve plate is provided with a baffle for partition, and the other valve plate is a hollow structure for connecting the pipelines on both sides of the glasses valve. Circular grooves are formed on both sides of the valve plate frame of the glasses valve, and rubber rings are arranged in the grooves for sealing to prevent gas leakage into the environment.

[0004] The larger glasses valve in the prior art is still a traditional fixed type, that is, the circular frame and the square frame are welded together through a tripod at four corners, so that the replacement of the sealing ring of the large-diameter glasses valve involves high-altitude operation, and there is a risk of falling from a high place during the replacement process. UTILITY MODEL CONTENTS

[0005] Therefore, it is necessary to provide a glasses valve with a sealing ring convenient to replace in view of the above technical problems.

[0006] In order to achieve the above purpose, the utility model provides a glasses valve with a sealing ring convenient to replace, which comprises two adjacent and fixedly connected square frames, circular frames are arranged in the square frames, a baffle is arranged in one of the circular frames, three-legged frames are arranged at four corners in the square frames, nuts are fixedly arranged on the three-legged frames, a positioning frame is arranged, a screw rod is rotatably arranged on the positioning frame, the screw rod is threadedly connected with the nut, a clamping block is arranged on the three-legged frame, a clamping groove is arranged on the positioning frame, the clamping block is slidably clamped in the clamping groove, a plurality of positioning wheels are rotatably arranged on the positioning frame, an annular groove is arranged on the circular frame, the positioning wheels abut against the bottom of the annular groove, a supporting frame is arranged in the three-legged frame, a connecting frame is arranged on the supporting frame, and the adjacent connecting frames in the same square frame are connected through supporting bolts.

[0007] Preferably, the connecting frame is arranged on the supporting frame through a fixing bolt.

[0008] Preferably, a fixing block is arranged on the three-legged frame, the clamping block is arranged on the fixing block, and a through hole is arranged on the fixing block for the screw rod to pass through.

[0009] Preferably, clamping blocks are arranged on the front and rear sides of the fixing block, the number of the clamping blocks is preferably two, and the clamping blocks are preferably cylindrical.

[0010] Preferably, the positioning frame can be composed of two parts by welding.

[0011] Preferably, the number of support bolts is preferably four evenly distributed.

[0012] Compared with the prior art, the technical scheme has at least one of the following beneficial effects:

[0013] The positioning frame sliding on the tripod fixes the round frame in the appropriate position, so that the round frame can rotate under the abutment of the positioning wheel and the round frame, so that the installation of the sealing ring at a high place can be realized by rotating the round frame, avoiding the high-altitude operation of workers.

[0014] By the setting of the support frame and the connecting frame, when the round frame is changed from fixed to rotating, the top two tripods are almost not stressed, and when the lower two tripods are stressed more, the upper two tripods can be pulled downward and the lower two tripods can be pulled to balance the stress, thereby improving the stability of the whole spectacle valve. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 is a perspective view of an embodiment of the present application;

[0016] Fig. 2 is a perspective view of one of the square frames of an embodiment of the present application;

[0017] Fig. 3 is an exploded view of one of the tripods of an embodiment of the present application;

[0018] Fig. 4 is an exploded view of one of the positioning frames of an embodiment of the present application;

[0019] In the figure, 1 is a square frame; 2 is a round frame; 3 is a square frame; 4 is a tripod; 5 is a nut; 6 is a positioning frame; 7 is a screw rod; 8 is a clamping block; 9 is a clamping groove; 10 is a positioning wheel; 11 is an annular groove; 12 is a support frame; 13 is a connecting frame; 14 is a support bolt; 15 is a fixing bolt; and 16 is a fixing block. DETAILED DESCRIPTION

[0020] In order to make the above-mentioned purposes, features and advantages of the present application more obvious and easy to understand, the specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, many specific details are set forth in order to provide a thorough understanding of the present application. However, the present application can be implemented in many other ways different from those described herein, and those skilled in the art can make similar improvements without departing from the connotation of the present application, so the present application is not limited by the specific embodiments disclosed below.

[0021] Please refer to Figs. 1 to 4 The embodiment of the application provides a spectacle valve with a sealing ring convenient to replace, which comprises two adjacent and fixedly connected square frames 1, the square frame 1 is internally provided with a circular frame 2, one of the circular frames 2 is fixedly installed with a blanking plate 3, the square frame 1 is fixedly installed with a tripod 4 at four corners, preferably welding, the tripod 4 is fixedly installed with a nut 5, preferably welding, further comprising a positioning frame 6, the positioning frame 6 is rotatably installed with a screw rod 7, the screw rod 7 is threadedly connected with the nut 5, the tripod 4 is fixedly installed with a clamping block 8, the positioning frame 6 is provided with a clamping groove 9, the clamping block 8 is slidably clamped in the clamping groove 9, the positioning frame 6 is rotatably installed with a plurality of positioning wheels 10, the positioning wheels 10 are arranged in an arc line, the arc line is concentrically arranged with the circular frame 2, the circular frame 2 is provided with an annular groove 11, the positioning wheels 10 abut against the inner bottom of the annular groove 11, the tripod 4 is internally installed with a support frame 12, the support frame 12 is installed with a connecting frame 13, the connecting frames 13 between adjacent connecting frames 13 in the same square frame 1 are connected through support bolts 14.

[0022] In the embodiment, the circular frames 2 in the two square frames 1, one of which is installed with the blanking plate 3, whether the pipeline is closed is controlled by pulling the square frame 1, when installation, the screw rod 7 on the positioning frame 6 is rotated, the screw rod 7 is threadedly connected with the nut 5 on the tripod 4, so that the screw rod 7 can drive the positioning frame 6 to move relative to the circular frame 2, so that the positioning wheels 10 abut in the annular groove 11, so that the positioning frames 6 at four corners can limit and fix the circular frame 2 at a suitable position, then when the sealing ring is replaced, the circular frame 2 can be rotated, when rotating, because the positioning wheels 10 are clamped in the annular groove 11, the positioning wheels 10 can still abut against and rotate with the circular frame 2, so that the replacement of the sealing ring does not have to be high-altitude operation, the clamping block 8 on the tripod 4 is slidably clamped in the clamping groove 9 on the positioning frame 6, so that when the positioning frame 6 is driven to move by the screw rod 7, the positioning frame 6 can only slide and cannot rotate with the screw rod 7. After the positioning frame 6 is installed, the support frame 12 can be welded on the tripod 4, then the connecting frame 13 is installed on the support frame 12, and the connecting frames 13 are connected through the support bolts 14, so that when the bottom tripods 4 are offset downward by most of the gravity of the circular frame 2, the force can be balanced to the top two tripods 4 through the connecting frame 13 to pull down and balance, when the two sides are offset by force, the two connecting frames 13 at the bottom are pulled to balance, so that the spectacle valve is more stable.

[0023] In some embodiments, in order to facilitate the installation of the connecting frame 13 on the support frame 12, the connecting frame 13 is installed on the support frame 12 through the fixed bolt 15.

[0024] In some embodiments, in order to facilitate the setting of the clamping block 8, the tripod 4 is fixedly installed with a fixed block 16, the clamping block 8 is fixedly installed on the fixed block 16, and the fixed block 16 is provided with a through hole through which the screw rod 7 passes.

[0025] In some embodiments, in order to facilitate positioning of the positioning frame 6, the clamping blocks 8 are arranged on both sides of the fixing block 16, the number of the clamping blocks 8 is preferably two, and the clamping blocks 8 are preferably cylindrical. Thus, the direction in which the positioning frame 6 is driven to move by the screw rod 7 is limited and fixed, and the cylindrical arrangement of the clamping blocks 8 reduces the friction between the clamping blocks 8 and the positioning frame 6.

[0026] In some embodiments, in order to facilitate installation of the positioning frame 6 on the tripod 4, the positioning frame 6 is arranged to be composed of two parts that are welded together.

[0027] In some embodiments, in order to improve the stability of the connecting frame 13 when transmitting force, the number of the supporting bolts 14 is preferably four that are evenly distributed.

[0028] The technical features of the above embodiments can be combined in any manner. In order to make the description concise, all possible combinations of the technical features in the above embodiments are not described, but as long as the combinations of the technical features do not contradict, they should be considered within the scope of the present application.

[0029] The above embodiments only express several implementation manners of the present application, and the description is relatively specific and detailed, but it should not be understood as a limitation on the scope of the present application. It should be noted that, for those skilled in the art, without departing from the concept of the present application, a number of modifications and improvements can be made, which are all within the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the appended claims.

[0030] In the description of the present application, it should be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.

[0031] In addition, the terms "first" and "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0032] In the utility model, unless another explicit stipulation and limitation, the terms "mount", "link", "connect", "fix" and so on terms should do broad sense understanding, for example, can be fixed connection, also can be detachable connection, or be integrated;Can be mechanical connection, also can be electric connection;Can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside's intercommunication or two element's interaction relation, unless another explicit limitation. For ordinary skilled person in the art, can understand the concrete meaning of above -mentioned term in the utility model according to specific circumstances.

Claims

1. A spectacle valve with a conveniently replaceable sealing ring, comprising two adjacent and fixedly connected square frames (1), wherein a circular frame (2) is provided inside the square frame (1), and a blocking plate (3) is installed inside one of the circular frames (2), characterized in that, Tripods (4) are installed at the four corners of the square frame (1). Nuts (5) are fixedly installed on the tripods (4). The frame also includes a positioning frame (6). A screw (7) is rotatably installed on the positioning frame (6). The screw (7) is threadedly connected to the nut (5). A locking block (8) is installed on the tripod (4). A slot (9) is provided on the positioning frame (6). The locking block (8) is slidably engaged in the slot (9). Several positioning wheels (10) are rotatably installed on the positioning frame (6). An annular groove (11) is provided on the circular frame (2). The positioning wheel (10) abuts against the bottom of the annular groove (11). A support frame (12) is installed inside the tripod (4). A connecting frame (13) is installed on the support frame (12). Adjacent connecting frames (13) in the same square frame (1) are connected by support bolts (14).

2. The spectacle valve with easily replaceable sealing ring according to claim 1, characterized in that, The connecting frame (13) is mounted on the support frame (12) by fixing bolts (15).

3. The spectacle valve with a conveniently replaceable sealing ring according to claim 1, characterized in that, The tripod (4) is equipped with a fixing block (16), and a locking block (8) is installed on the fixing block (16). The fixing block (16) has a through hole for the screw (7) to pass through.

4. The spectacle valve with a conveniently replaceable sealing ring according to claim 3, characterized in that, The fixing block (16) has two locking blocks (8) installed on both the front and rear sides. The locking blocks (8) are cylindrical.

5. The spectacle valve with a conveniently replaceable sealing ring according to claim 1, characterized in that, The positioning frame (6) can be composed of two welded parts.

6. The spectacle valve with a conveniently replaceable sealing ring according to claim 1, characterized in that, The number of the support bolts (14) is four, evenly distributed.

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