Sealing type gate valve with protective cover

Abstract

The utility model relates to a sealing type gate valve with a protective cover. The sealing type gate valve comprises a valve body, a valve element, a liquid inlet pipe, a liquid outlet pipe, an adjusting handle, a micro air guide pump, an air guide pipe, a mounting device, a telescopic air bag and a flow shielding plate. By arranging the mounting device, a transmission rod is manually rotated, so that the transmission rod can drive a transmission screw rod to rotate, the transmission screw rod can be in threaded fit with a transmission threaded sleeve, it is guaranteed that the transmission screw rod can rotate along with the transmission threaded sleeve, and a mounting cover can be fixed to the top of the valve body through a clamping plate; according to the mounting device for the valve body, it is guaranteed that a worker can quickly complete dismounting and mounting work on the mounting cover, and then the mounting device is assembled on the top of the valve body, so that the mounting device can fix the protective cover to the top of the valve body, and the valve body is protected; therefore, the problem of complicated operation due to the fact that a worker needs to contact an operation tool to disassemble and assemble the protection cover in the original equipment is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to the related technical field of sealing gate valve, concretely to a sealing gate valve with protective cover. BACKGROUND

[0002] The gate valve belongs to the stop valve, and its function is to connect or cut off the medium in the pipeline, and it mainly has two working conditions of complete closing or complete opening. The sealing performance between the valve core and the valve seat is the most important technical performance index of this type of valve, and under normal circumstances, leakage is not allowed, so the hard sealing structure is usually used between the valve seat and the valve plate, that is, the metal sealing surface is used between the valve seat and the valve plate.

[0003] Through the continuous extrusion of the valve plate on the air-tight baffle, the high sealing gate valve ensures that there is no gas leakage after the gate valve is closed, avoids the problem that the sealing performance of the gate valve is poor, and avoids the problem that the edge of the gate valve is easily corroded by corrosive gas or solution, and finally leads to poor sealing performance.

[0004] In the related field of the protective cover of the existing sealing gate valve, the internal structure of the gate valve protective cover is improved in most cases to better protect the sealing gate valve, thereby causing limitations on the fixing structure of part of the gate valve protective cover, and the protective cover usually needs to be contacted with an operating tool to be disassembled, which is complicated. In order to solve the above technical problems, the utility model improves the fixing structure of the traditional sealing gate valve protective cover. UTILITY MODEL CONTENTS

[0005] (I) Technical problem solved

[0006] To solve the above technical problems, the utility model provides a sealing gate valve with a protective cover.

[0007] (II) Technical scheme

[0008] Based on this, the utility model provides the following technical scheme: a sealing gate valve with a protective cover, including valve body, valve core, liquid inlet pipe, liquid outlet pipe, adjusting handle, micro air pump, air guide pipe, mounting device, telescopic air bag, flow shielding plate, the inside installation of valve body has the valve core, the valve core is connected with the bottom of adjusting handle, the liquid inlet pipe is linked with the left end of valve body, the liquid outlet pipe sets up in the right end of valve body, adjusting handle and the top of valve body are screwed, micro air pump and the top of valve body are fixed, micro air pump and the top of air guide pipe are communicated, air guide pipe and the top of telescopic air bag are communicated, mounting device and the top of valve body are movably connected, telescopic air bag and the inside of valve body are connected, flow shielding plate and the bottom of telescopic air bag are fixed.

[0009] Preferably, the mounting device comprises a mounting cover, a transmission threaded sleeve, a transmission rod, a transmission screw, a guide block, a clamping plate and a limiting groove, the right end of the mounting cover is provided with the transmission threaded sleeve, the transmission rod is arranged at the right end of the transmission screw, the transmission screw is in threaded transmission with the inside of the transmission threaded sleeve, the transmission screw is in threaded cooperation with the top of the clamping plate, the clamping plate is in sliding connection with the front end of the guide block, the guide block is arranged in the inside of the mounting cover, the clamping plate is in movable cooperation with the top of the valve body, and the limiting groove is arranged at the bottom of the mounting cover.

[0010] Preferably, the clamping plate comprises a mounting block, a transmission sleeve, a clamping plate and a heat preservation pad, the inside of the mounting block is provided with the transmission sleeve, the transmission sleeve is in threaded cooperation with the outside of the transmission screw, the clamping plate is fixed to the bottom of the mounting block, the inside of the clamping plate is provided with the heat preservation pad, and the clamping plate is fixed to the top of the valve body.

[0011] Preferably, the transmission rod and the transmission screw are arranged in the inside of the transmission threaded sleeve.

[0012] Preferably, the guide block is in a whole fan-shaped structure, so that the guide block can be fixed in the inside of the mounting cover.

[0013] Preferably, the clamping plate is symmetrically arranged at the front end of the guide block, so that the clamping plate can slide horizontally along the front end of the guide block.

[0014] Preferably, the limiting groove is provided with two groups, and the two groups of limiting grooves are arranged at the bottom of the mounting cover in a same straight line.

[0015] Preferably, the mounting block is provided with two groups, and the inside of the two groups of mounting blocks is provided with the transmission sleeve, so that the mounting block can be in threaded transmission with the outside of the transmission screw through the transmission sleeve.

[0016] (Three) beneficial effects

[0017] Compared with the prior art, the sealing gate valve with the protective cover has the following beneficial effects:

[0018] 1. The sealing type gate valve with a protective cover, through the installation device, the transmission rod is manually rotated, the transmission rod can drive the transmission screw rod to rotate, the transmission screw rod can be screwed with the transmission threaded sleeve, the transmission screw rod can rotate, further, the transmission screw rod and the clamping plate are screwed, the clamping plate can fix the mounting cover on the top of the valve body, the staff can quickly disassemble and assemble the mounting cover, the mounting cover can protect the top of the valve body, the mounting device is assembled on the top of the valve body, the mounting device can fix the protective cover on the top of the valve body, and the valve body is protected, and the original equipment is solved.

[0019] 2. The sealing type gate valve with a protective cover, through the clamping plate, the transmission screw rod and the transmission sleeve are screwed, the transmission sleeve drives the mounting block to slide horizontally through the nesting transmission mode, the mounting block can drive the clamping plate to shrink inward, the clamping plate can clamp and fix the top of the valve body, and the clamping plate is screwed with the transmission screw rod, the clamping plate can fix the mounting cover on the top of the valve body. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is a whole structure schematic view of the utility model;

[0021] Figure 2 It is a plane structure schematic view of the utility model;

[0022] Figure 3 It is a protective device three-dimensional structure schematic view of the utility model;

[0023] Figure 4 It is a plane structure schematic view of the utility model protective device;

[0024] Figure 5 It is a clamping plate structure schematic view of the utility model.

[0025] In the drawing: valve body-1, valve core-2, liquid inlet pipe-3, liquid outlet pipe-4, adjusting handle-5, micro air guide pump-6, air guide pipe-7, installation device-8, telescopic air bag-9, flow shielding plate-10, mounting cover-81, transmission threaded sleeve-82, transmission rod-83, transmission screw rod-84, guide block-85, clamping plate-86, limiting groove-87, mounting block-861, transmission sleeve-862, clamping plate-863, heat preservation pad-864. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.

[0027] Please refer to Figure 1 and Figure 2 A sealing type gate valve with a protective cover, including valve body 1, valve core 2, liquid inlet pipe 3, liquid outlet pipe 4, adjusting handle 5, micro air guide pump 6, air guide pipe 7, mounting device 8, telescopic air bag 9, flow shielding plate 10, the inside of valve body 1 is provided with valve core 2, valve core 2 is connected with the bottom of adjusting handle 5, liquid inlet pipe 3 is communicated with the left end of valve body 1, liquid outlet pipe 4 is arranged at the right end of valve body 1, adjusting handle 5 is screw transmission with the top of valve body 1, micro air guide pump 6 is fixed with the top of valve body 1, micro air guide pump 6 is communicated with the top of air guide pipe 7, air guide pipe 7 is communicated with the top of telescopic air bag 9, mounting device 8 is movably connected with the top of valve body 1, telescopic air bag 9 is connected with the inside of valve body 1, flow shielding plate 10 is fixed with the bottom of telescopic air bag 9.

[0028] Please refer to Figure 3 and Figure 4 A sealing type gate valve with a protective cover, mounting device 8 includes mounting cover 81, transmission thread sleeve 82, transmission rod 83, transmission screw 84, guide block 85, clamping clamp 86, limiting groove 87, the right end of mounting cover 81 is provided with transmission thread sleeve 82, transmission rod 83 is arranged at the right end of transmission screw 84, transmission screw 84 is screw transmission with the inside of transmission thread sleeve 82, transmission screw 84 is screw matched with the top of clamping clamp 86, clamping clamp 86 is slidably connected with the front end of guide block 85, guide block 85 is arranged in the inside of mounting cover 81, clamping clamp 86 is movably matched with the top of valve body 1, limiting groove 87 is arranged at the bottom of mounting cover 81, transmission rod 83 and transmission screw 84 are arranged in the inside of transmission thread sleeve 82, the whole of guide block 85 is the structure of fan-shaped, it is guaranteed that guide block 85 can be fixed in the inside of mounting cover 81, clamping plate 86 is symmetrically arranged at the front end of guide block 85, it is favorable to the horizontal sliding of clamping plate 86 along the front end of guide block 85, limiting groove 87 is provided with two groups, two groups of limiting grooves 87 are arranged at the bottom of mounting cover 81 along a straight line.

[0029] Please refer to Figure 5The sealing type gate valve with a protective cover, the clamping clamp 86 comprises a mounting block 861, a transmission sleeve 862, a clamping plate 863 and a heat preservation pad 864, the inside of the mounting block 861 is provided with the transmission sleeve 862, the transmission sleeve 862 is in threaded cooperation with the outside of the transmission screw rod 84, the clamping plate 863 is fixed with the bottom of the mounting block 861, the inside of the clamping plate 863 is provided with the heat preservation pad 864, the clamping plate 863 is fixed with the top of the valve body 1, the mounting block 861 is provided with two groups, the inside of the two groups of mounting blocks 861 is provided with the transmission sleeve 862, and the mounting block 861 is in threaded transmission with the outside of the transmission screw rod 84 through the transmission sleeve 862.

[0030] Therefore, when in use, the valve body 1 is fixed above the fixing object, the liquid inlet pipe 3 and the liquid outlet pipe 4 can be connected to the connecting end of the liquid supply pipeline and the conveying pipeline respectively, so that the liquid or gaseous material can flow in the valve body 1, when necessary, the valve core 2 can be manually rotated to block the flow of the material, so that the staff can adjust the flow of the liquid or gaseous material according to the requirement;

[0031] When the micro air pump 6 is started to suck the gas into the air guide pipe 7, the gas is provided to the telescopic air bag 9 from the air guide pipe 7, so that the telescopic air bag 9 can be telescoped downward, and the flow shielding plate 10 is driven to move downward, so that the flow shielding plate 10 can shield the water source, and the equipment can quickly cut off the water source;

[0032] Meanwhile, the transmission rod 83 is manually rotated, so that the transmission rod 83 drives the transmission screw rod 84 to rotate, the transmission screw rod 84 is in threaded cooperation with the transmission threaded sleeve 82, the transmission screw rod 84 can be rotated, further, the transmission screw rod 84 is in threaded transmission with the inside of the transmission sleeve 862, the mounting block 861 is horizontally slid by the nested transmission of the transmission sleeve 862, so that the mounting block 861 drives the clamping plate 863 to shrink inward, the clamping plate 863 can clamp and fix the top of the valve body 1, the clamping plate 86 is in threaded cooperation with the transmission screw rod 84, so that the clamping plate 86 can fix the mounting cover 81 on the top of the valve body 1, the staff can quickly disassemble and assemble the mounting cover 81, so that the mounting cover 81 can protect the top of the valve body 1, the mounting device 8 is assembled on the top of the valve body 1, so that the mounting device 8 can fix the protective cover on the top of the valve body 1, and the valve body 1 is protected, so that the staff can disassemble and assemble the protective cover by operating the tool, and the operation is complicated.

[0033] The control mode of the utility model is controlled through manual starting and closing switch, and the wiring diagram of power element and the provision of power supply are the common knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the utility model will not explain the control mode and wiring arrangement in detail.

[0034] The control mode of the utility model is automatically controlled through the controller, and the control circuit of the controller can be realized through simple programming of the technical personnel in the art, and the provision of power supply also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical device, so the utility model will not explain the control mode and circuit connection in detail.

[0035] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A sealed gate valve with a protective cover, comprising a valve body (1), a valve core (2), a liquid inlet pipe (3), a liquid outlet pipe (4), an adjusting handle (5), a micro air pump (6), an air pipe (7), a mounting device (8), a telescopic air bag (9), and a baffle (10), wherein the valve body (1) is internally mounted with a valve core (2), and the valve core (2) is connected to the bottom of the adjusting handle (5); Its characteristics are: The mounting device (8) comprises a mounting cover (81), a transmission threaded sleeve (82), a transmission rod (83), a transmission screw (84), a guide block (85), a clamping plate (86), and a limiting groove (87). The right end of the mounting cover (81) is provided with a transmission threaded sleeve (82). The transmission rod (83) is provided at the right end of the transmission screw (84). The transmission screw (84) is transmitted by the internal thread of the transmission threaded sleeve (82). The transmission screw (84) is threadedly engaged with the top of the clamping plate (86). The clamping plate (86) is slidably connected to the front end of the guide block (85). The guide block (85) is provided inside the mounting cover (81). The clamping plate (86) is movably engaged with the top of the valve body (1). The limiting groove (87) is provided at the bottom of the mounting cover (81).

2. A sealed gate valve with a protective cover according to claim 1, characterized in that: The clamping plate (86) includes a mounting block (861), a transmission sleeve (862), a clamping plate (863), and a heat-insulating pad (864). The mounting block (861) is provided with a transmission sleeve (862) inside, the transmission sleeve (862) is engaged with the outer thread of the transmission screw (84), the clamping plate (863) is fixed to the bottom of the mounting block (861), the heat-insulating pad (864) is installed inside the clamping plate (863), and the clamping plate (863) is fixed to the top of the valve body (1).

3. A sealed gate valve with a protective cover according to claim 1, characterized in that: The transmission rod (83) and the transmission screw (84) are both arranged inside the transmission threaded sleeve (82).

4. A sealed gate valve with a protective cover according to claim 1, characterized in that: The guide block (85) is integrally formed into a fan-shaped structure, which ensures that the guide block (85) can be fixed inside the mounting cover (81).

5. The sealed gate valve with a protective cover according to claim 1, characterized in that: The clamping plate (86) is symmetrically arranged at the front end of the guide block (85).

6. The sealed gate valve with a protective cover according to claim 1, characterized in that: The limiting grooves (87) are provided in two groups, and the two groups of limiting grooves (87) are both arranged in a straight line at the bottom of the mounting cover (81).

7. The sealed gate valve with a protective cover according to claim 2, characterized in that: The mounting blocks (861) are provided in two groups, and transmission sleeves (862) are provided inside the two groups of mounting blocks (861).

8. The sealed gate valve with a protective cover according to claim 1, characterized in that: The liquid inlet pipe (3) is connected to the left end of the valve body (1), the liquid outlet pipe (4) is arranged at the right end of the valve body (1), the regulating handle (5) is threadedly driven with the top of the valve body (1), the micro air pump (6) is fixed to the top of the valve body (1), the micro air pump (6) is connected to the top of the air guide tube (7), the air guide tube (7) is connected to the top of the telescopic air bag (9), the mounting device (8) is movably connected to the top of the valve body (1), the telescopic air bag (9) is connected to the inside of the valve body (1), and the baffle (10) is fixed to the bottom of the telescopic air bag (9).

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