High-sealing-performance connecting pump valve assembly

Abstract

The utility model relates to the technical field of pump valves, in particular to a high-sealing-performance connecting pump valve assembly which comprises a valve body and connecting pipelines, the connecting pipelines are arranged on the left side and the right side of the valve body, and connecting flanges are fixedly connected to the ends of the valve body and the connecting pipelines. According to the sealing device, through the arrangement of the connecting flanges, the first sealing sleeve, the second sealing sleeve, the positioning block and the metal core, the sealing performance between the adjacent connecting flanges is guaranteed through the first sealing sleeve and the second sealing sleeve which can be combined and are in a semi-circular ring shape, and therefore the sealing performance of the valve body is improved. Through clamping of the clamping block and the clamping groove and clamping of the positioning block and the positioning hole, quick assembly and disassembly of the sealing piece are achieved, when the first sealing sleeve and the second sealing sleeve are replaced, only the first locking sleeve and the second locking sleeve need to be disassembled, the connecting pump valve assembly does not need to be completely disassembled, and time and labor are saved through the mode.

Description

TECHNICAL FIELD

[0001] The utility model relates to pump valve door technical field, concretely is a kind of high sealing property connecting pump valve door assembly. BACKGROUND

[0002] Valve is used to open and close pipeline, control flow direction, adjust and control the parameter of pipeline accessory of conveying medium, with the functions of cut-off, diversion, regulating flow, preventing reverse flow, stabilizing pressure, shunting or overflow pressure relief.

[0003] Connecting pump valve door assembly is generally sealed using circular rubber sealing ring, and the sealing ring loses elasticity after being used for a long time, so that the sealing property is insufficient. In the existing connecting pump valve door assembly, the sealing ring is clamped between adjacent connecting flanges. When the sealing ring is replaced, the connecting pump valve door assembly must be completely disassembled, and then reinstalled after the replacement of the sealing ring is completed. This method is time-consuming and laborious. Therefore, the high sealing property connecting pump valve door assembly is proposed to solve the above problems. SUMMARY

[0004] The utility model discloses a kind of high sealing property connecting pump valve door assembly, to solve the sealing ring of existing part connecting pump valve door assembly Clamping between adjacent connecting flanges, when the sealing ring is replaced, the connecting pump valve door assembly must be completely disassembled, and then reinstalled after the replacement of the sealing ring is completed. This method is time-consuming and laborious.

[0005] To achieve the above object, the utility model provides the following technical scheme:

[0006] A kind of high sealing property connecting pump valve door assembly, including valve body and connecting pipeline, the left and right sides of the valve body are all equipped with connecting pipeline, the end of the valve body and connecting pipeline is all fixedly connected with connecting flange, the connecting flange of valve body end and the connecting flange of connecting pipeline end are bolted, the opposite sides of adjacent two connecting flanges are all equipped with sealing groove and a group of positioning holes, the outside of every two adjacent connecting flanges is equipped with a pair of first sealing sleeve, the inside of the first sealing sleeve is all fixedly connected with second sealing sleeve, the end of the first sealing sleeve is all fixedly connected with clamping block, the end of the second sealing sleeve is all equipped with clamping groove, the clamping block is all located in clamping groove, the inside of the second sealing sleeve is all fixedly connected with a group of positioning block, the inside of the positioning block is all fixedly connected with metal core, every group of metal core is fixedly connected with second sealing sleeve, the outside of every two adjacent connecting flanges is equipped with first locking sleeve and second locking sleeve, the first locking sleeve is all bolted with second locking sleeve, the inside of the first locking sleeve and second locking sleeve is all equipped with limiting groove.

[0007] Preferably, the connecting flanges are provided with bolt holes, and the sealing grooves are circular grooves.

[0008] Preferably, the positioning holes are uniformly distributed in the axial direction, and the positioning holes are communicated with the sealing grooves.

[0009] Preferably, the first sealing sleeve and the second sealing sleeve are semicircular rubber sleeves, the clamping blocks and the metal cores are stainless steel blocks, and the positioning blocks are hollow rubber blocks.

[0010] Preferably, the limiting grooves are semicircular grooves, the lower halves of the first sealing sleeves are located in the limiting grooves of the first locking sleeves, and the upper halves of the first sealing sleeves are located in the limiting grooves of the second locking sleeves.

[0011] Compared with the prior art, the utility model has the advantages that:

[0012] In the utility model, the connecting flanges, the first sealing sleeve, the second sealing sleeve, the positioning block and the metal core are arranged, the semicircular first sealing sleeve and the second sealing sleeve can be combined to ensure the sealing property between the adjacent connecting flanges, the clamping block and the clamping groove are clamped, and the positioning block and the positioning hole are clamped, so that the sealing member can be quickly assembled and disassembled. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole structure schematic view of the utility model;

[0014] Figure 2 It is a connecting flange installation structure schematic view of the utility model;

[0015] Figure 3 It is a connecting pipeline installation structure schematic view of the utility model;

[0016] Figure 4 It is a first sealing sleeve structure schematic view of the utility model;

[0017] Figure 5 It is a second sealing sleeve structure schematic view of the utility model;

[0018] Figure 6 It is a positioning block installation structure sectional view of the utility model;

[0019] Figure 7 It is a metal core installation structure sectional view of the utility model;

[0020] Figure 8 The utility model discloses a locking sleeve structure section view.

[0021] In the drawing: 1, valve body;2, connecting pipeline;3, connecting flange;4, sealing groove;5, positioning hole;6, first sealing sleeve;7, second sealing sleeve;8, clamping block;9, clamping groove;10, positioning block;11, metal core;12, first locking sleeve;13, second locking sleeve;14, limiting groove. DETAILED DESCRIPTION

[0022] 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 in the utility model, all the other embodiments obtained by the person skilled in the art without creative labor fall within the protection scope of the utility model.

[0023] In the description of the utility model, it is understood that the orientation words such as 'front, back, top, bottom, left, right', 'transverse, vertical, perpendicular, horizontal' and 'top, bottom' indicate the orientation or position relationship shown in the drawing, and are only for the convenience of describing the utility model and simplifying the description, and in the absence of the opposite statement, these orientation words do not indicate and imply that the indicated device or element must have a particular orientation or be constructed and operated in a particular orientation, so it cannot be understood as the limitation on the protection scope of the utility model;The orientation words 'inner, outer' refer to the inner and outer of the contour of each component.

[0024] In addition, it needs to be explained that the words 'first','second' and the like are used to limit the parts, and are only for the convenience of distinguishing the corresponding parts, and the above words do not have special meanings in the absence of further declaration, so it cannot be understood as the limitation on the protection scope of the utility model.

[0025] Please refer to Figures 1-8 The utility model provides a technical scheme:

[0026] The utility model provides a kind of high sealing connection pump valve door assembly, including valve body 1 and connecting pipeline 2, both sides of valve body 1 are equipped with connecting pipeline 2, the end of valve body 1 and connecting pipeline 2 is fixedly connected with connecting flange 3, the connecting flange 3 of valve body 1 end and the connecting flange 3 of connecting pipeline 2 end bolt connection, the opposite sides of adjacent two connecting flanges 3 are equipped with sealing groove 4 and a group of positioning holes 5, the outside of every two adjacent connecting flanges 3 is equipped with a pair of first sealing sleeve 6, the inside of first sealing sleeve 6 is fixedly connected with second sealing sleeve 7, the end of first sealing sleeve 6 is fixedly connected with engaging block 8, the end of second sealing sleeve 7 is equipped with engaging groove 9, engaging block 8 is located in engaging groove 9, the inside of second sealing sleeve 7 is fixedly connected with a group of positioning block 10, the inside of positioning block 10 is fixedly connected with metal core 11, every group of metal core 11 is fixedly connected with second sealing sleeve 7, the outside of every two adjacent connecting flanges 3 is equipped with first locking sleeve 12 and second locking sleeve 13, first locking sleeve 12 is bolted with second locking sleeve 13, the inside of first locking sleeve 12 and second locking sleeve 13 is equipped with limiting groove 14.

[0027] Connecting flange 3 is equipped with bolt connection hole, sealing groove 4 is circular groove, the left half and right half of second sealing sleeve 7 are located in the sealing groove 4 of two connecting flanges 3 respectively, the sealing property of the connecting place of adjacent two connecting flanges 3 can be guaranteed by second sealing sleeve 7;Every group of positioning holes 5 is evenly distributed in axial direction, every group of positioning holes 5 is communicated with sealing groove 4, the left half and right half of positioning block 10 are located in the positioning hole 5 of two connecting flanges 3 respectively, second sealing sleeve 7 can be positioned by positioning block 10;First sealing sleeve 6 and second sealing sleeve 7 are semicircular rubber sleeve, engaging block 8 and metal core 11 are stainless steel metal block, positioning block 10 is hollow rubber block, first sealing sleeve 6 and second sealing sleeve 7 can be prevented from rotating relative to connecting flange 3 by positioning block 10 and metal core 11;Limiting groove 14 is semicircular recess, the lower half of every pair of first sealing sleeve 6 is located in the limiting groove 14 of first locking sleeve 12, the upper half of every pair of first sealing sleeve 6 is located in the limiting groove 14 of second locking sleeve 13, first sealing sleeve 6 and second sealing sleeve 7 can be locked by first locking sleeve 12 and second locking sleeve 13.

[0028] Work flow: check whether the device is intact before use, the connecting flange 3 of the device is welded on the valve body 1 or the connecting pipe 2 in advance, the first sealing sleeve 6, the second sealing sleeve 7, the clamping block 8, the positioning block 10 and the metal core 11 are a group of pre-fixed components, when using the device, first, the connecting flanges 3 at the ends of the valve body 1 and the connecting pipe 2 are bolted, that is, the valve body 1 and the connecting pipe 2 are fixed, then a pair of first sealing sleeves 6 are placed outside the two adjacent connecting flanges 3, the second sealing sleeve 7 is clamped into the two adjacent sealing grooves 4, the positioning block 10 is clamped into the two adjacent positioning holes 5, the metal core 11 supports the positioning block 10, the positioning block 10 positions the second sealing sleeve 7, and the first sealing sleeve 6 and the second sealing sleeve 7 are prevented from rotating relative to the connecting flange 3, then the clamping block 8 is clamped into the clamping groove 9, that is, a pair of first sealing sleeves 6 form an outer ring and a pair of second sealing sleeves 7 form an inner ring, then the first locking sleeve 12 and the second locking sleeve 13 are sleeved outside the first sealing sleeve 6, the first locking sleeve 12 and the second locking sleeve 13 are bolted, the first sealing sleeve 6 is clamped into the limiting groove 14, that is, the first sealing sleeve 6 and the second sealing sleeve 7 are locked, the sealing of the connecting position of the two adjacent connecting flanges 3 is ensured through the first sealing sleeve 6 and the second sealing sleeve 7, when the first sealing sleeve 6 and the second sealing sleeve 7 need to be replaced, the first locking sleeve 12 and the second locking sleeve 13 are removed, the second sealing sleeve 7 and the positioning block 10 are taken out of the sealing groove 4 and the positioning hole 5, and the first sealing sleeve 6 and the second sealing sleeve 7 can be replaced; the device ensures the sealing between the adjacent connecting flanges 3 through the combinable semicircular ring-shaped first sealing sleeve 6 and the second sealing sleeve 7, the clamping of the clamping block 8 and the clamping groove 9 and the clamping of the positioning block 10 and the positioning hole 5, the quick assembly and disassembly of the sealing element are realized, when the first sealing sleeve 6 and the second sealing sleeve 7 are replaced, only the first locking sleeve 12 and the second locking sleeve 13 need to be disassembled, and the connecting pump valve assembly does not need to be disassembled, which is more time-saving and labor-saving.

[0029] The contents not described in detail in the specification belong to the prior art known to those skilled in the art. The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, and the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the machinery, parts and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, which will not be described in detail here.

[0030] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A high-sealing connection pump valve assembly, comprising a valve body (1) and a connecting pipe (2), characterized in that: The valve body (1) has connecting pipes (2) on both the left and right sides. Connecting flanges (3) are fixedly connected to the ends of both the valve body (1) and the connecting pipes (2). The connecting flanges (3) at the ends of the valve body (1) and the connecting flanges (3) at the ends of the connecting pipes (2) are bolted together. Each pair of adjacent connecting flanges (3) has a sealing groove (4) and a set of positioning holes (5) on their opposing sides. A pair of first sealing sleeves (6) are provided on the outer side of each pair of adjacent connecting flanges (3). A second sealing sleeve (7) is fixedly connected to the inner side of each first sealing sleeve (6). A locking block (8) is fixedly connected to the end of each first sealing sleeve (6). The end of the second sealing sleeve (7) is provided with a locking groove (9), and the locking block (8) is located in the locking groove (9). A set of positioning blocks (10) is fixedly connected to the inner side of the second sealing sleeve (7). A metal core (11) is fixedly connected inside the positioning block (10). Each set of metal cores (11) is fixedly connected to the second sealing sleeve (7). A first locking sleeve (12) and a second locking sleeve (13) are provided on the outer side of each pair of adjacent connecting flanges (3). The first locking sleeve (12) and the second locking sleeve (13) are bolted together. The inner side of the first locking sleeve (12) and the second locking sleeve (13) is provided with a limiting groove (14).

2. The high-sealing connection pump valve assembly according to claim 1, characterized in that: The connecting flanges (3) are all provided with bolt connection holes, and the sealing grooves (4) are all annular grooves. The left and right halves of the second sealing sleeve (7) are located in the sealing grooves (4) of the two connecting flanges (3) respectively.

3. The high-sealing connection pump valve assembly according to claim 1, characterized in that: Each set of positioning holes (5) is evenly distributed axially, and each set of positioning holes (5) is connected to the sealing groove (4). The left and right halves of the positioning block (10) are located in the positioning holes (5) of the two connecting flanges (3), respectively.

4. A high-sealing connection pump valve assembly according to claim 1, characterized in that: The first sealing sleeve (6) and the second sealing sleeve (7) are both semi-circular rubber sleeves, the locking block (8) and the metal core (11) are both stainless steel metal blocks, and the positioning block (10) is a hollow rubber block.

5. A high-sealing connection pump valve assembly according to claim 1, characterized in that: The limiting grooves (14) are all semi-circular annular grooves. The lower half of each pair of first sealing sleeves (6) is located in the limiting groove (14) of the first locking sleeve (12), and the upper half of each pair of first sealing sleeves (6) is located in the limiting groove (14) of the second locking sleeve (13).

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