Large-diameter rubber-lined ball valve convenient to connect

Abstract

The utility model discloses a large-diameter rubber-lined ball valve convenient to connect, and relates to the technical field of design and processing of industrial instruments. The device comprises a valve body, connecting pieces are arranged on the two sides of the valve body, each connecting piece comprises a first connecting disc and a second connecting disc, a quick dismounting mechanism is arranged in each connecting piece, a rotating rod in each mechanism is rotationally connected into the corresponding second connecting disc, a clamping block is arranged on one side of each rotating rod, and each clamping block is movably clamped into the corresponding first connecting disc. The rotating rods and the clamping blocks are distributed in an annular array mode, the first clamping hoop and the second clamping hoop are connected to the outer surface of the connecting piece in a sleeving mode, the fastening bolt is arranged at one end of the first clamping hoop and one end of the second clamping hoop, and the first clamping hoop and the second clamping hoop are in threaded connection with the fastening bolt. According to the device, original bolts are replaced by the rotating rods and the clamping blocks for fixing, the connecting piece can be quickly disassembled and assembled, the clamping effect on the connecting piece due to stress loss is avoided, normal use of the device is guaranteed, and the requirements of users are met.

Description

TECHNICAL FIELD

[0001] The utility model relates to industrial appliance design and processing technical field, concretely is a big -bore rubber -lined ball valve convenient to connect. BACKGROUND

[0002] Big -bore rubber -lined ball valve is a kind of valve with special structure and function, and the valve body cavity surface is covered with rubber or other corrosion -resistant material ball valve, it is mainly used to guide flow, regulation, throttling etc.

[0003] The existing ball valve is connected with pipeline through flange, but flange connection is usually fastened by bolt, and the existing dismounting mode is to dismount one by one by tool, which reduces the dismounting efficiency, and the demand for tool is higher, stress is generated in the operation process of pipeline, which can cause flange deformation or bolt loosening when dismounting flange, thereby affecting the smooth dismounting, and there is limitation.

[0004] The reason for this problem is that when dismounting flange, a large number of bolts need to be dismounted and installed one by one using professional tools, which increases the complexity of dismounting and reduces the efficiency of dismounting, and the flange generates thermal stress due to the change of medium temperature in the working process, which causes thermal expansion and cold shrinkage of the flange material when the temperature changes greatly, thereby causing deformation, and the stress state of the bolt changes when the flange deforms, so the bolt is more likely to loosen, therefore we propose a big -bore rubber -lined ball valve convenient to connect to solve the above problems. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a big -bore rubber -lined ball valve convenient to connect, which solves the problems that the existing ball valve is connected with pipeline through flange, flange connection is usually fastened by bolt, the existing dismounting mode is to dismount one by one by tool, which reduces the dismounting efficiency, and the demand for tool is higher, stress is generated in the operation process of pipeline, which can cause flange deformation or bolt loosening when dismounting flange, thereby affecting the smooth dismounting, and there is limitation.

[0006] To achieve the above purpose, the utility model is realized by the following technical scheme: a big -bore rubber -lined ball valve convenient to connect, comprising a valve body, the two sides of the valve body are provided with connecting pieces, the connecting piece comprises a first connecting disc and a second connecting disc, a quick dismounting mechanism is arranged in the connecting piece, the quick dismounting mechanism comprises a rotating rod, a clamping block, a first clamping hoop, a second clamping hoop and a fastening bolt;

[0007] The rotating rod is rotationally connected to the inside of the second connecting disc, the clamping block is arranged on one side of the rotating rod, the clamping block is movably clamped in the inside of the first connecting disc, the rotating rod and the clamping block are arranged in an annular array, the first clamping hoop and the second clamping hoop are sleeved on the outer surface of the connecting piece, the fastening bolt is arranged at one end of the first clamping hoop and the second clamping hoop, and the first clamping hoop, the second clamping hoop and the fastening bolt are screw-connected.

[0008] Preferably, the connecting piece further comprises a sealing ring and a sealing groove.

[0009] The sealing ring is fixedly connected to one side of the first connecting disc, the sealing groove is arranged in the inside of the second connecting disc, and the sealing ring is movably clamped in the inside of the sealing groove.

[0010] Preferably, the inside of the second connecting disc is fixedly connected with a fixing seat, and the rotating rod is rotationally connected to the inside of the fixing seat.

[0011] Preferably, one side of the rotating rod is rotationally connected with a supporting rod, and the supporting rod is fixedly connected with the clamping block.

[0012] Preferably, a rotating shaft is rotationally connected to the inside of the rotating rod, the rotating shaft penetrates through the supporting rod, the outer surface of the rotating shaft is wound with a torsional spring, one end of the torsional spring is fixedly connected with the rotating rod, and the other end of the torsional spring is fixedly connected with the supporting rod.

[0013] Preferably, a clamping groove is arranged in one side of the first connecting disc, and the clamping groove is arranged in an annular array, and the clamping block is movably clamped in the inside of the clamping groove.

[0014] Preferably, one end of the first clamping hoop and the second clamping hoop is hingedly connected, the other end of the first clamping hoop and the second clamping hoop is fixedly connected with a supporting block, the fastening bolt penetrates through the supporting block, and the fastening bolt is screw-connected with the supporting block.

[0015] The utility model discloses a big -caliber rubber -lined ball valve convenient to connect, and it has the beneficial effect as follows: the device replaces the original bolt and is fixed through the rotating rod and clamping block, can quickly dismouting connecting piece, and will not because stress loss to the clamping effect of connecting piece, guarantee the normal use of device, satisfy the demand of user. ACCURATE DRAWINGS

[0016] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or prior art, the following will briefly introduce the drawings needed to be used in the embodiment or prior art description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0017] Figure 1The utility model discloses a whole structure schematic diagram.

[0018] Figure 2 The utility model discloses a first clamp, second clamp and connecting piece schematic diagram.

[0019] Figure 3 The utility model discloses a sealing ring schematic diagram.

[0020] Figure 4 The utility model discloses a sealing groove schematic diagram.

[0021] Figure 5 The utility model discloses a quick dismounting mechanism explosion schematic diagram.

[0022] In the drawing: 1, valve body;2, connecting piece;21, first connecting disc;22, second connecting disc;23, sealing ring;24, sealing groove;3, quick dismounting mechanism;31, rotating rod;32, clamping block;33, first clamp;34, second clamp;35, fastening bolt;36, fixed seat;37, support rod;38, rotating shaft;39, torsional spring;310, clamping groove;311, support block. DETAILED DESCRIPTION

[0023] In order to make the utility model embodiment's purpose, technical scheme and advantage more clear, to the technical scheme in the utility model embodiment of the present application, clear, complete, obviously, the described embodiment is the part embodiment of the utility model, instead of all the embodiment. Based on the embodiment in the utility model, all other embodiments that the person skilled in the art obtains without making creative labor belong to the scope of the utility model protection.

[0024] The embodiment of the application provides a large-diameter rubber-lined ball valve convenient to connect, solves the problem that the existing ball valve is connected with a pipeline through a flange, the flange connection is usually fastened through bolts, the existing dismounting mode is to dismount one by one through a tool, the efficiency of dismounting is reduced, the demand for the tool is high, stress is generated in the pipeline during operation, and the stress can cause the flange to deform or the bolts to loosen when the flange is dismounted, thereby affecting the smooth dismounting and existing limitations.

[0025] In order to better understand the above technical scheme, the above technical scheme will be described in detail in combination with the drawings of the specification and specific embodiments.

[0026] The utility model embodiment discloses a large-diameter rubber-lined ball valve convenient to connect.

[0027] According to the drawings Figures 1-5As shown, including the valve body 1, both sides of the valve body 1 are provided with connecting piece 2, connecting piece 2 includes first connecting disc 21 and second connecting disc 22, the inside of connecting piece 2 is provided with quick release mechanism 3, quick release mechanism 3 includes rotating rod 31, clamping block 32, first clamp 33, second clamp 34 and fastening bolt 35;

[0028] When the device needs to disassemble the valve body 1, unscrew the fastening bolt 35 counterclockwise, pull the first clamp 33 and the second clamp 34 to both sides and take off, grab the support rod 37 to one side and overturn, so that the clamping block 32 is separated from the inside of the clamping groove 310, at the same time, the rotating rod 31 is turned to one side, the fixing of the first connecting disc 21 and the second connecting disc 22 is released, at this time, the valve body 1 can be removed, when installing, turn the rotating rod 31 to one side, grab the support rod 37 to one side and overturn, loosen the hand under the reaction force of torsional spring 39, the clamping block 32 is clamped into the inside of the clamping groove 310, finally, the first clamp 33 and the second clamp 34 are sleeved on the outer surface of the first connecting disc 21 and the second connecting disc 22, so that the end of the rotating rod 31 abuts against the inner wall of the first clamp 33 and the second clamp 34, finally, screw the fastening bolt 35 clockwise, complete the fixing of the device, meet the needs of the user.

[0029] The rotating rod 31 is rotatably connected in the inside of the second connecting disc 22, the clamping block 32 is arranged on one side of the rotating rod 31, the clamping block 32 is movably connected in the inside of the first connecting disc 21, the rotating rod 31 and the clamping block 32 are arranged in an annular array, the first clamp 33 and the second clamp 34 are sleeved on the outer surface of the connecting piece 2, the fastening bolt 35 is arranged on one end of the first clamp 33 and the second clamp 34, the first clamp 33, the second clamp 34 and the fastening bolt 35 are threadedly connected, the first clamp 33 and the second clamp 34 are sleeved on the outer surface of the first connecting disc 21 and the second connecting disc 22, so that the end of the rotating rod 31 abuts against the inner wall of the first clamp 33 and the second clamp 34, so that the first clamp 33 and the second clamp 34 can assist in fixing the rotating rod 31 when fixed, at the same time, the support rod 37 also abuts against the inner wall of the first clamp 33 and the second clamp 34, which ensures that the clamping block 32 will not exit from the clamping groove 310, meeting the needs of the user.

[0030] The connecting piece 2 further comprises a sealing ring 23 and a sealing groove 24; the sealing ring 23 is fixedly connected on one side of the first connecting disc 21, the sealing groove 24 is opened in the inside of the second connecting disc 22, the sealing ring 23 is movably connected in the inside of the sealing groove 24, the inside of the second connecting disc 22 is fixedly connected with a fixed seat 36, the rotating rod 31 is rotatably connected in the inside of the fixed seat 36, the support rod 37 is rotatably connected on one side of the rotating rod 31, the support rod 37 is fixedly connected with the clamping block 32, the combination of the sealing ring 23 and the sealing groove 24 can ensure that the liquid will not flow out through the gap between the connecting piece 2, avoiding the pollution of the environment by the strong corrosive liquid, affecting the normal use of the device, meeting the needs of the user.

[0031] The inside of the rotating lever 31 is rotatably connected with a rotating shaft 38, the rotating shaft 38 penetrates the supporting lever 37, the outer surface of the rotating shaft 38 is wound with a torsion spring 39, one end of the torsion spring 39 is fixedly connected with the rotating lever 31, the other end of the torsion spring 39 is fixedly connected with the supporting lever 37, one side of the first connecting disc 21 is provided with a clamping groove 310, the clamping groove 310 is arranged in an annular array, the clamping block 32 is movably clamped in the inside of the clamping groove 310, the first clamping hoop 33 is hingedly connected with one end of the second clamping hoop 34, the other end of the first clamping hoop 33 and the second clamping hoop 34 is fixedly connected with a supporting block 311, the fastening bolt 35 penetrates the supporting block 311, the fastening bolt 35 is threadedly connected with the supporting block 311, one end of the torsion spring 39 is fixedly connected with the rotating lever 31, the other end of the torsion spring 39 is fixedly connected with the supporting lever 37, the function of the torsion spring 39 is to ensure that the clamping block 32 can be clamped into the inside of the clamping groove 310 and cannot be separated out, thereby ensuring the normal use of the device.

[0032] The basic principle and main features of the present application and the advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above-mentioned embodiments, and the above-mentioned embodiments and descriptions in the specification are only to illustrate the principle 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 present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A large-diameter rubber-lined ball valve with convenient connection, comprising a valve body (1), both sides of the valve body (1) are provided with a connecting piece (2), the connecting piece (2) comprises a first connecting disc (21) and a second connecting disc (22), characterized in that, The inside of the connecting piece (2) is provided with a quick release mechanism (3), which comprises a rotating rod (31), a clamping block (32), a first clamping hoop (33), a second clamping hoop (34) and a fastening bolt (35); The rotating rod (31) is rotatably connected in the inside of the second connecting disc (22), the clamping block (32) is arranged on one side of the rotating rod (31), the clamping block (32) is movably clamped in the inside of the first connecting disc (21), the rotating rod (31) and the clamping block (32) are arranged in an annular array, the first clamping hoop (33) and the second clamping hoop (34) are sleeved on the outer surface of the connecting piece (2), the fastening bolt (35) is arranged at one end of the first clamping hoop (33) and the second clamping hoop (34), and the first clamping hoop (33), the second clamping hoop (34) and the fastening bolt (35) are threadedly connected.

2. A large-bore rubber-lined ball valve for easy connection according to claim 1, characterized in that: The connecting piece (2) further comprises a sealing ring (23) and a sealing groove (24); The sealing ring (23) is fixedly connected to one side of the first connecting disc (21), and the sealing groove (24) is formed in the inside of the second connecting disc (22).

3. A large bore rubber lined ball valve for easy connection as claimed in claim 1 wherein: The inside of the second connecting disc (22) is fixedly connected with a fixing seat (36), and the rotating rod (31) is rotatably connected in the inside of the fixing seat (36).

4. A large bore rubber lined ball valve for easy connection as claimed in claim 1 wherein: One side of the rotating rod (31) is rotatably connected with a supporting rod (37), and the supporting rod (37) is fixedly connected with the clamping block (32).

5. A large bore rubber lined ball valve for easy connection as claimed in claim 1 wherein: A rotating shaft (38) is rotatably connected in the inside of the rotating rod (31), the rotating shaft (38) penetrates through the supporting rod (37), the outer surface of the rotating shaft (38) is wound with a torsional spring (39), one end of the torsional spring (39) is fixedly connected with the rotating rod (31), and the other end of the torsional spring (39) is fixedly connected with the supporting rod (37).

6. A large bore rubber lined ball valve for easy connection as claimed in claim 1 wherein: One side of the first connecting disc (21) is provided with a clamping groove (310), and the clamping groove (310) is arranged in an annular array.

7. A large bore rubber lined ball valve for easy connection as claimed in claim 1 wherein: One end of the first clamping hoop (33) and the second clamping hoop (34) is hingedly connected, the other end of the first clamping hoop (33) and the second clamping hoop (34) is fixedly connected with a supporting block (311), the fastening bolt (35) penetrates through the supporting block (311), and the fastening bolt (35) is threadedly connected with the supporting block (311).

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