Gate valve for easy installation

Abstract

The utility model belongs to the technical field of gate valve, specifically is a kind of gate valve of being convenient for installation, including gate valve body;Gate valve body end portion is fixedly connected with flange plate;The outer side wall of flange plate is equipped with flange positioning assembly;Flange plate is connected with bolt positioning assembly by flange positioning assembly;Flange plate is equipped with clamping assembly by bolt positioning assembly;This step is positioned by the setting of gate valve body, flange plate, flange positioning assembly and bolt positioning assembly, and the positioning structure of gate valve connection is formed, the function of positioning connection of flange plate and pipeline end flange is realized, the situation that flange plate middle bolt hole and pipeline end flange misregistration are caused by the shaking of gate valve body installation is solved, the convenience of gate valve body installation is improved, the accuracy of flange plate and pipeline end flange positioning is improved, and the operation steps of gate valve body installation are simplified.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of gate valve, specifically a gate valve convenient to install. BACKGROUND

[0002] Gate valve is a kind of valve for controlling fluid flow, mainly through the lifting of gate to control the opening and closing of valve.

[0003] The main structure of gate valve includes valve body, valve cover, valve stem, gate, valve seat and transmission device etc., gate is perpendicular to fluid direction, changes the relative position between gate and valve seat can change the size of passage, gate valve has the advantages of small fluid resistance, relatively labor-saving opening and closing, medium flow direction is not limited, does not reduce pressure, simple shape and short structure length etc.

[0004] In the prior art of gate valve, gate valve is connected between pipe by flange plate, uses fixed bolt to fix gate valve in pipe, when installing, uses gourd or crane to move gate valve to the end of pipe and fixes, the flange plate of gate valve needs to correspond with the flange plate of pipe, and when hoisting, it is prone to shake, resulting in that the positioning step is relatively complicated.

[0005] Therefore, the utility model provides a kind of gate valve convenient to install. UTILITY MODEL CONTENTS

[0006] In order to make up for the deficiencies of the prior art, at least one technical problem raised in the background art is solved.

[0007] The technical scheme adopted by the utility model to solve its technical problems is: the utility model discloses a kind of gate valve convenient to install, including gate valve body;The flange plate is fixedly connected at the end of the gate valve body;The outer side wall of the flange plate is provided with flange positioning assembly;The flange plate is connected with bolt positioning assembly by flange positioning assembly;The flange plate is provided with clamping assembly by bolt positioning assembly;This step is set by gate valve body, flange plate, flange positioning assembly and bolt positioning assembly, and the gate valve connection positioning structure is formed, the function of positioning and connecting the flange plate and the flange at the end of pipe is realized, the situation that the middle bolt hole of flange plate is misaligned with the flange at the end of pipe due to shaking when gate valve body is installed is solved, the convenience when gate valve body is installed is improved, the accuracy of positioning the flange plate and the flange at the end of pipe is improved, and the operation steps of gate valve body installation are simplified.

[0008] Preferably, the flange positioning assembly comprises a pair of guide rings and sliding grooves; the outer side wall of the flange plate is fixedly connected with guide blocks; a pair of the guide rings are connected through fixing screws; the guide rings are slidingly connected on the outer side wall of the flange plate; the sliding grooves are provided with inner side walls of the guide rings and are provided in multiple groups; the sliding grooves are in sliding fit with the guide blocks of the outer side wall of the flange plate; this step, through the arrangement of the guide rings and the sliding grooves, constitutes the function of positioning and guiding of the flange plate and the end flange of the pipeline, realizes the function of aligning the bolt holes of the flange plate and the end flange of the pipeline, solves the misalignment of the flange plate and the end flange of the pipeline caused by the shaking of the gate valve body during installation, reduces the misalignment of the bolt holes, improves the convenience during the installation of the gate valve body, and improves the accuracy of the position during the connection of the flange plate and the end flange of the pipeline.

[0009] Preferably, the bolt positioning assembly comprises rotating shells, fixing blocks and clamping blocks; the rotating shells are rotatably connected to the side walls of the guide rings close to the gate valve body; a pair of the rotating shells are arranged on the side walls of the guide rings and are symmetrically arranged; a pair of the rotating shells are fixedly connected through the clamping blocks; the clamping blocks are fixedly connected to the inner side walls of the rotating shells; the clamping blocks are provided in multiple groups on the inner side walls of the rotating shells; this step, through the arrangement of the rotating shells, the fixing blocks and the clamping blocks, constitutes a bolt positioning structure, realizes the function of synchronously inserting multiple fixing bolts into the bolt holes in the middle part of the flange plate, improves the convenience of inserting the fixing bolts into the bolt holes, and simplifies the operation steps of inserting the fixing bolts into the bolt holes.

[0010] Preferably, the clamping assembly comprises jacks and springs; the jacks are slidingly connected to the middle parts of the fixing blocks; a pair of the jacks are arranged in the middle parts of the fixing blocks and are symmetrically arranged; the springs are sleeved on the outer side walls of the jacks close to the guide rings; this step, through the arrangement of the jacks and the springs, constitutes a fixing bolt clamping structure, realizes the function of clamping and fixing the fixing bolts in the middle parts of the fixing blocks, and improves the stability of the fixing bolts placed in the middle parts of the fixing blocks.

[0011] Preferably, the outer side wall of the guide ring is fixedly connected with a handle; the outer side wall of the handle is fixedly connected with anti-skid strips; the anti-skid strips are provided in multiple groups on the outer side wall of the handle and are uniformly distributed on the outer side wall of the handle; this step, through the arrangement of the handle and the anti-skid strips, constitutes a guide ring moving structure, realizes the function of moving the guide ring, improves the convenience of moving the guide ring, and reduces the slipping of the guide ring when moving through the handle.

[0012] Preferably, the inner side wall of the rotating shell close to the fixing block is fixedly connected with a magnet; the magnet is provided in multiple groups on the inner side wall of the rotating shell; this step, through the arrangement of the magnet, constitutes a fixing bolt adsorption structure, realizes the function of adsorbing and fixing the fixing bolts in the middle parts of the fixing blocks, and improves the stability of the fixing bolts placed in the middle parts of the fixing blocks.

[0013] Preferably, the ends of the top rods close to each other are fixedly connected with clamping blocks; the clamping blocks are made of rubber material; the clamping blocks are in contact with the fixing bolts when the top rods clamp and fix the fixing bolts, so that the contact area of the top rods and the fixing bolts is increased, and the stability of the fixing bolts when clamped in the middle of the fixing block is improved.

[0014] The utility model discloses the beneficial effect is as follows:

[0015] 1. A gate valve convenient to install, the setting of gate valve body, flange disc, flange positioning assembly and bolt positioning assembly, the positioning of flange disc and pipeline end flange is connected, the function that the flange disc and pipeline end flange bolt hole are aligned is realized, the flange disc and pipeline end flange misalignment caused by the shaking of gate valve body installation is solved, the convenience of gate valve body installation is improved, the accuracy of flange disc and pipeline end flange positioning is improved, and the operation steps of gate valve body installation are simplified.

[0016] 2. A gate valve convenient to install, the setting of guide ring and sliding groove, the positioning of flange disc and pipeline end flange is guided, the flange disc and pipeline end flange bolt hole are aligned, the flange disc and pipeline end flange misalignment caused by the shaking of gate valve body installation is solved, the bolt hole is not reduced the situation of alignment, the convenience of gate valve body installation is improved, and the accuracy of flange disc and pipeline end flane connection position is improved. BRIEF DESCRIPTION OF DRAWINGS

[0017] The utility model makes further explanation in combination with the drawings.

[0018] Figure 1 It is the perspective drawing of the utility model;

[0019] Figure 2 It is the structural schematic diagram of guide ring and gate valve body cooperation in the utility model;

[0020] Figure 3 It is the structural schematic diagram of magnet and fixed block cooperation in the utility model;

[0021] Figure 4 It is the structural schematic diagram of top rod and fixed block cooperation in the utility model.

[0022] In the drawing: 1, gate valve body;11, guide ring;12, sliding groove;13, flange disc;2, rotating shell;21, fixed block;22, clamping block;3, top rod;31, spring;4, handle;41, antiskid strip;5, magnet;6, clamping block. DETAILED DESCRIPTION

[0023] In order to make the technical means, creation characteristics, achieve purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.

[0024] As Figures 1 to 4 shown, the utility model discloses a gate valve convenient to install, including gate valve body 1, the flange plate 13 is fixedly connected to the end of gate valve body 1, the flange positioning assembly is equipped with on the outer lateral wall of flange plate 13, the bolt positioning assembly is connected to flange plate 13 through flange positioning assembly, the clamping assembly is equipped with to flange plate 13 through bolt positioning assembly, in working, flange positioning assembly is installed in the outer lateral wall of flange plate 13, fixed bolt is put into bolt positioning assembly, uses crane to hoist and moves to the between pipe of gate valve body 1 to be installed, the flange of pipe end is roughly aligned with flange plate 13, the outer lateral wall of flange positioning assembly is slid to the flange of pipe end, flange plate 13 is aligned with the flange of pipe end and keeps still each other, when sliding flange positioning assembly, drives the fixed bolt in bolt positioning assembly to insert the bolt hole in flange plate 13, bolt positioning assembly is taken down fixed bolt and is left in the middle part of flange plate 13, then guide ring 11 is taken down, and fixed bolt is tightened, and the other end of gate valve body 1 repeats this step, and the installation of gate valve is completed, this step is through the setting of gate valve body 1, flange plate 13, flange positioning assembly and bolt positioning assembly, and the gate valve connecting positioning structure is formed, the function of positioning and connecting flange plate 13 and the flange of pipe end is realized, the situation that the middle part bolt hole of flange plate 13 and the flange of pipe end are misaligned when gate valve body 1 is installed is solved, the convenience when gate valve body 1 is installed is improved, the accuracy of the positioning of flange plate 13 and the flange of pipe end is improved, and the operation steps of the installation of gate valve body 1 are simplified.

[0025] As Figure 2 and Figure 3As shown, the flange positioning assembly comprises a pair of guide rings 11 and sliding grooves 12; the outer side wall of the flange plate 13 is fixedly connected with guide blocks; the pair of guide rings 11 are connected through fixing screws; the guide rings 11 are slidingly connected on the outer side wall of the flange plate 13; the sliding grooves 12 are provided with the inner side wall of the guide rings 11, and multiple groups are arranged; the sliding grooves 12 are slidingly matched with the guide blocks on the outer side wall of the flange plate 13; in work, after the flange plate 13 approaches the flange at the end of the pipeline, the sliding guide ring 11 approaches the flange at the end of the pipeline, the flange at the end of the pipeline is inserted into the guide ring 11, the outer side wall of the flange at the end of the pipeline is also provided with guide blocks, when the guide blocks at the end of the pipeline are not inserted into the sliding grooves 12, the gate valve body 1 is rotated to make the guide blocks inserted into the sliding grooves 12, the guide blocks slide in the sliding grooves 12, the flange plate 13 is contacted with the flange at the end of the pipeline and the bolt holes are aligned, the gate valve body 1 and the pipeline keep a relative static state; through the arrangement of the guide rings 11 and the sliding grooves 12, the flange plate 13 and the flange positioning and guiding function of the end of the pipeline are formed, the function of aligning the flange plate 13 and the flange bolt holes of the end of the pipeline is realized, the situation that the flange plate 13 and the flange at the end of the pipeline are misaligned due to the shaking of the gate valve body 1 during installation is solved, the situation that the bolt holes are not aligned is reduced, the convenience of the installation of the gate valve body 1 is improved, and the accuracy of the position of the flange plate 13 and the flange at the end of the pipeline during connection is improved.

[0026] As shown in Figure 2 and Figure 3 , the bolt positioning assembly comprises a rotating shell 2, a fixed block 21 and a clamping block 22; the rotating shell 2 is rotatably connected on the side wall of the guide ring 11 close to the gate valve body 1; a pair of rotating shells 2 are arranged on the side wall of the guide ring 11, and are symmetrically arranged; the pair of rotating shells 2 are fixedly connected through the clamping block 22; the clamping block 22 is fixedly connected on the inner side wall of the rotating shell 2; multiple groups of clamping blocks 22 are arranged on the inner side wall of the rotating shell 2; in work, the guide ring 11 is installed on the outer side wall of the flange plate 13, the fixing bolt is put into the fixed block 21, the rotating shell 2 is in an open state, during the positioning process of the flange plate 13 and the flange at the end of the pipeline, the pair of rotating shells 2 are combined together and temporarily fixed through the clamping block 22, when the guide ring 11 slides towards the pipeline, the rotating shell 2 drives the fixed block 21 and the fixing bolt to approach the flange plate 13, the fixing bolt is inserted into the bolt hole in the middle of the flange plate 13, the clamping block 22 is removed, the fixed block 21 is opened, and the fixing bolt falls off from the side wall of the fixed block 21 and remains in the bolt hole in the middle of the flange plate 13; through the arrangement of the rotating shell 2, the fixed block 21 and the clamping block 22, a bolt positioning structure is formed, the function of synchronously inserting multiple groups of fixing bolts into the bolt hole in the middle of the flange plate 13 is realized, the convenience of inserting the fixing bolt into the bolt hole is improved, and the operation steps of inserting the fixing bolt into the bolt hole are simplified.

[0027] As shown in Figure 3As shown, the clamping assembly includes a top rod 3 and a spring 31; the top rod 3 is slidingly connected in the middle of the fixed block 21; the top rod 3 is provided in pairs in the middle of the fixed block 21 and is symmetrically arranged; the spring 31 is sleeved on the outer side wall of the top rod 3 close to the guide ring 11; in work, when the fixed bolt is put into the fixed block 21, the fixed bolt is put between the pair of top rods 3, the spring 31 drives the top rod 3 to approach the fixed bolt and clamps the fixed bolt in the fixed block 21, when the rotating shell 2 rotates outward, the fixed bolt is separated from the middle of the fixed block 21, and the spring 31 drives the top rod 3 to reset; this step forms a fixed bolt clamping structure by the arrangement of the top rod 3 and the spring 31, realizes the function of clamping and fixing the fixed bolt in the middle of the fixed block 21, and improves the stability of the fixed bolt when placed in the middle of the fixed block 21.

[0028] As shown in Figure 2 to and Figure 3 As shown, the outer side wall of the guide ring 11 is fixedly connected with a handle 4; the outer side wall of the handle 4 is fixedly connected with an anti-skid strip 41; the anti-skid strip 41 is provided in multiple groups on the outer side wall of the handle 4 and is uniformly distributed on the outer side wall of the handle 4; in work, when the guide ring 11 is moved, the handle 4 is held, the anti-skid strip 41 increases the friction between the handle 4 and the hand, and the handle 4 is pulled to drive the guide ring 11 to move; this step forms a guide ring 11 moving structure by the arrangement of the handle 4 and the anti-skid strip 41, realizes the function of moving the guide ring 11, improves the convenience of moving the guide ring 11, and reduces the slipping when moving the guide ring 11 through the handle 4.

[0029] As shown in Figure 4 As shown, the inner side wall of the rotating shell 2 close to the fixed block 21 is fixedly connected with a magnet 5; the magnet 5 is provided in multiple groups on the inner side wall of the rotating shell 2; in work, when the fixed bolt is placed in the middle of the fixed block 21, the magnet 5 adsorbs the fixed bolt; this step forms a fixed bolt adsorption structure by the arrangement of the magnet 5, realizes the function of adsorbing and fixing the fixed bolt in the middle of the fixed block 21, and improves the stability of the fixed bolt when placed in the fixed block 21.

[0030] As shown in Figure 4 As shown, the end of the top rod 3 close to each other is fixedly connected with a clamping block 6; the clamping block 6 is made of rubber material; in work, the clamping block 6 contacts the fixed bolt when the top rod 3 clamps and fixes the fixed bolt, increases the contact area between the top rod 3 and the fixed bolt, and improves the stability of the fixed bolt when clamped in the middle of the fixed block 21.

[0031] In operation, the flange positioning assembly is installed on the outer wall of the flange plate 13, the fixing bolts are put into the bolt positioning assembly, the gate valve body 1 is lifted and moved to the position between the pipelines to be installed by using a crane, the flanges at the ends of the pipelines are roughly aligned with the flange plate 13, the flange positioning assembly is slid so that the flange positioning assembly slides to the outer wall of the flange at the end of the pipeline, the flange plate 13 is aligned with the flange at the end of the pipeline and kept stationary, the flange positioning assembly is slid, the fixing bolts in the bolt positioning assembly are inserted into the bolt holes in the flange plate 13, the bolt positioning assembly is removed, the fixing bolts are left in the middle of the flange plate 13, the guide ring 11 is removed, the fixing bolts are tightened, the other end of the gate valve body 1 repeats the above steps, and the installation of the gate valve is completed; after the flange plate 13 approaches the flange at the end of the pipeline, the guide ring 11 is slid to approach the flange at the end of the pipeline, the flange at the end of the pipeline is inserted into the guide ring 11, the outer wall of the flange at the end of the pipeline is also provided with a guide block, when the guide block at the end of the pipeline is not inserted into the sliding groove 12, the guide block is inserted into the sliding groove 12 by rotating the gate valve body 1, the guide block slides in the sliding groove 12, the flange plate 13 contacts the flange at the end of the pipeline and the bolt holes are aligned, and the gate valve body 1 keeps a relatively stationary state with the pipeline; the guide ring 11 is installed on the outer wall of the flange plate 13, the fixing bolts are put into the fixing block 21, the rotating shell 2 is in an open state, during the positioning of the flange plate 13 and the flange at the end of the pipeline, a pair of rotating shells 2 are combined together and temporarily fixed by the clamping block 22, when the guide ring 11 slides to the pipeline, the rotating shell 2 drives the fixing block 21 and the fixing bolts to approach the flange plate 13, the fixing bolts are inserted into the bolt holes in the middle of the flange plate 13, the clamping block 22 is removed, the fixing block 21 is opened, and the fixing bolts fall off from the sidewall of the fixing block 21 and are left in the bolt holes in the middle of the flange plate 13; when the fixing bolts are put into the fixing block 21, the fixing bolts are put between a pair of the top rods 3, the spring 31 drives the top rods 3 to approach the fixing bolts and clamps the fixing bolts in the fixing block 21, when the rotating shell 2 rotates outward, the fixing bolts are separated from the middle of the fixing block 21, and the spring 31 drives the top rods 3 to reset; when the guide ring 11 is moved, the handle 4 is held, the anti-skid strip 41 increases the friction between the handle 4 and the hand, and the handle 4 drives the guide ring 11 to move; when the fixing bolts are placed in the middle of the fixing block 21, the magnet 5 attracts the fixing bolts; when the top rods 3 clamp and fix the fixing bolts, the clamping block 6 contacts the fixing bolts, the contact area between the top rods 3 and the fixing bolts is increased, and the stability of the fixing bolts when clamped in the middle of the fixing block 21 is improved.

[0032] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A gate valve for easy installation comprising a gate valve body (1); characterized in that: The gate valve body (1) end fixedly connected with flange plate (13); the flange plate (13) outer wall is equipped with flange positioning assembly; the flange plate (13) is connected with bolt positioning assembly through flange positioning assembly; the flange plate (13) is equipped with clamping assembly through bolt positioning assembly.

2. A gate valve for easy installation according to claim 1, characterized in that: The flange positioning assembly includes a pair of guide rings (11) and sliding grooves (12); the flange plate (13) outer wall is fixedly connected with a guide block; a pair of the guide ring (11) is connected through fixed screw; the guide ring (11) is slidingly connected on the outer wall of the flange plate (13); the sliding groove (12) is provided with a plurality of groups of inner side walls of the guide ring (11), and the sliding groove (12) and the guide block of the outer wall of the flange plate (13) are in sliding fit.

3. A gate valve for easy installation according to claim 1, characterized in that: The bolt positioning assembly includes a rotating shell (2), a fixed block (21) and a clamping block (22); the rotating shell (2) is rotatably connected to the side wall of the guide ring (11) close to the gate valve body (1); the rotating shell (2) is provided with a pair of symmetrically arranged side walls on the guide ring (11); a pair of the rotating shell (2) is fixedly connected through the clamping block (22); the clamping block (22) is fixedly connected to the inner side wall of the rotating shell (2); the clamping block (22) is provided with a plurality of groups of inner side walls of the rotating shell (2).

4. A gate valve for ease of installation according to claim 3 wherein: The clamping assembly includes a top rod (3) and a spring (31); the top rod (3) is slidingly connected in the middle of the fixed block (21); the top rod (3) is provided with a pair of symmetrically arranged middle parts of the fixed block (21); the spring (31) is sleeved on the outer side wall of the top rod (3) close to the guide ring (11).

5. A gate valve for easy installation according to claim 2, characterized in that: The outer side wall of the guide ring (11) is fixedly connected with a handle (4); the outer side wall of the handle (4) is fixedly connected with an anti-skid strip (41); the anti-skid strip (41) is provided with a plurality of groups of outer side walls of the handle (4), and is evenly distributed on the outer side wall of the handle (4).

6. A gate valve for easy installation according to claim 3, characterized in that: The inner side wall of the rotating shell (2) close to the fixed block (21) is fixedly connected with a magnet (5); the magnet (5) is provided with a plurality of groups of inner side walls of the rotating shell (2).

7. A gate valve for easy installation according to claim 4, characterized in that: The ends of the top rods (3) close to each other are fixedly connected with clamping blocks (6); the clamping blocks (6) are made of rubber material.

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