Sealing performance detection table for valve body sealing element

Abstract

The utility model relates to the technical field of valve body sealing detection, in particular to a sealing performance detection platform for a valve body sealing element, which comprises a detection platform and a fixed seat fixed on the detection platform, and further comprises a sliding seat in sliding connection with a sliding chute arranged at the top of the detection platform, and the telescopic cylinder is fixed on the detection table and is used for pushing the sliding seat to be close to or far away from the fixed seat. According to the utility model, through cooperative use of the sliding seat, the fixed seat, the limiting detection part and other structures, a bolt hole in a flange at one port of a valve body to be detected is sleeved on a limiting column on the fixed seat, and then the sliding seat is pushed to be close to the fixed seat through the telescopic cylinder; the limiting column on the movable seat is inserted into the bolt hole in the flange of the other port of the valve body, and the valve body is clamped and fixed between the sliding seat and the fixed seat, so that the fixing operation before the detection of the valve body can be completed, the operation difficulty is low, and the operation steps are simple.

Description

TECHNICAL FIELD

[0001] The utility model relates to valve body sealing detection technical field especially relates to a kind of sealing performance detection platform of valve body sealing member. BACKGROUND

[0002] The sealing property of valve body is one of important parameters for evaluating the quality of valve body. The sealing performance of valve body sealing member needs to be detected after the existing valve body is assembled, and the relevant performance results of the sealing member in the valve body can be inferred from the data obtained by detection.

[0003] Since the number of valve body detection is large, the existing sealing performance detection platform of valve body sealing member needs to tightly connect one end of valve body to gas supply pipe or liquid supply pipe, seal the remaining port of valve body, then fill gas or liquid into valve body, stop gas supply or liquid supply when the gas pressure or liquid pressure in valve body reaches a certain value, stand for a period of time, compare the detected gas pressure or liquid pressure difference with the standard value, and the detected gas pressure or liquid pressure difference within the standard range is qualified, otherwise it is unqualified. The above-mentioned sealing performance detection platform of valve body sealing member is used for detecting valve body, and the fixing and dismounting operation of valve body is complicated, which greatly affects the detection efficiency of large number of valve bodies. SUMMARY

[0004] Therefore, the utility model aims at providing a sealing performance detection platform of valve body sealing member to solve the problem that the fixing and dismounting operation of valve body is complicated when detecting valve body, which greatly affects the detection efficiency of large number of valve bodies.

[0005] In order to achieve the above purpose, the utility model provides a sealing performance detection platform of valve body sealing member, which comprises a detection platform and a fixing seat fixed on the detection platform, and further comprises:

[0006] A sliding seat connected with a chute on the top of the detection platform.

[0007] A telescopic cylinder fixed on the detection platform, which is used to push the sliding seat close to or away from the fixing seat.

[0008] A supply pipe fixed on the sliding seat, which is used to supply gas into valve body.

[0009] Two limit detection parts on the opposite surfaces of the sliding seat and the fixing seat, which are used to clamp and fix valve body.

[0010] Preferably, the sliding seat and the fixing seat are distributed on the detection platform, and the sliding seat is located between the output end of the telescopic cylinder and the fixing seat.

[0011] Preferably, the limit detection part comprises:

[0012] A plurality of limit columns inserted into a plurality of fixed holes arranged on the sliding seat.

[0013] A hard tube in communication with the middle hole arranged on the sliding seat.

[0014] A pressure gauge fixed to one end of the hard tube, which is used to detect the internal pressure value of the middle hole.

[0015] Preferably, the limit detection part further comprises a sealing ring fixed to the ring groove arranged on the sliding seat, which is used to seal the port of the valve body when the valve body is fixed.

[0016] Preferably, the limit detection part further comprises a plurality of placement holes arranged on the sliding seat, which are matched with the limit columns, and the placement holes are used to store the limit columns.

[0017] Preferably, the limit column is matched with the bolt hole on the end face of the valve body, and the outer part of the limit column and the inner wall of the middle hole are both provided with threads.

[0018] Preferably, the sealing performance detection table of the valve body sealing element further comprises a guide arranged in the sliding groove, which is used to limit the movement direction of the sliding seat.

[0019] Preferably, the guide comprises at least one threaded insertion slot arranged in the sliding groove, a limit insertion rod is arranged in the threaded insertion slot, a limit slot is arranged on the sliding seat, and the outer part of the limit insertion rod is slidably sleeved in the limit slot.

[0020] The utility model discloses the beneficial effects: the utility model discloses the cooperation of the use of sliding seat, fixed seat and limit detection part and other structures, only need to be detected the bolt hole of the flange of valve body one port is sleeved on the limit column on fixed seat, can preliminarily fix valve body, then through telescopic cylinder and push the sliding seat close to fixed seat, make the limit column on the moving seat insert into the bolt hole on the flange of another port on valve body, until the valve body is clamped and fixed between the sliding seat and fixed seat, can complete the fixed operation before valve body detection, the operation difficulty is small, and the operation step is simple, and through the detachable design between a plurality of fixed holes and limit columns, can flexibly adjust the number and position according to the bolt hole number on the flange of the valve body port to be detected, expands the application range of valve body detection. BRIEF DESCRIPTION OF DRAWINGS

[0021] To more clearly illustrate the technical solutions in this utility model or the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below. Obviously, the drawings described below are only for this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.

[0022] Figure 1 This is a three-dimensional illustration of the present invention. Figure 1 ;

[0023] Figure 2 This is a three-dimensional illustration of the present invention. Figure 1 ;

[0024] Figure 3 This is a three-dimensional schematic diagram of the testing platform in this utility model;

[0025] Figure 4 This is a three-dimensional schematic diagram of the limit detection part in this utility model.

[0026] The diagram is marked as follows:

[0027] 1. Testing table; 2. Slide groove; 3. Sliding seat; 4. Guide component; 41. Threaded slot; 42. Limiting rod; 43. Limiting groove; 5. Supply pipe; 6. Telescopic cylinder; 7. Limiting detection part; 71. Fixing hole; 72. Limiting post; 73. Central hole; 74. Rigid tube; 75. Pressure gauge; 76. Sealing ring; 77. Placement hole; 78. Annular groove; 8. Fixing seat. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of this utility model clearer, the present utility model will be further described in detail below with reference to specific embodiments.

[0029] It should be noted that, unless otherwise defined, the technical or scientific terms used in this utility model should have the ordinary meaning understood by one of ordinary skill in the art to which this utility model pertains. The terms "first," "second," and similar terms used in this utility model do not indicate any order, quantity, or importance, but are merely used to distinguish different components. Terms such as "comprising" or "including" mean that the element or object preceding the word encompasses the elements or objects listed following the word and their equivalents, without excluding other elements or objects. Terms such as "connected" or "linked" are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. Terms such as "upper," "lower," "left," and "right" are used only to indicate relative positional relationships; when the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0030] likeFigures 1 to 4 As shown in the figure, a sealing performance detection table of valve body sealing element comprises a detection table 1 and a fixed seat 8 fixed on the detection table 1, and further comprises:

[0031] A sliding seat 3 in sliding connection with a sliding groove 2 arranged on the top of the detection table 1.

[0032] A telescopic cylinder 6 fixed on the detection table 1, which is used to push the sliding seat 3 to approach or move away from the fixed seat 8.

[0033] A supply pipe 5 fixed on the sliding seat 3, one end of which is connected with a supply pump, and which is used to supply gas into the valve body.

[0034] Two limit detection parts 7 arranged on the opposite surfaces of the sliding seat 3 and the fixed seat 8, which are used to clamp and fix the valve body.

[0035] In operation, first, one port of the two-port valve body is placed on the limit detection part 7 of the fixed seat 8, then the telescopic cylinder 6 is controlled to extend and push the sliding seat 3 to approach the fixed seat 8 until the limit detection part 7 on the sliding seat 3 tightly abuts against the other port of the valve body, so that the plugging of the two ports of the valve body and the fixing of the valve body are completed, which reduces the difficulty and steps of the fixing operation before the detection of the valve body, so as to improve the overall detection operation efficiency when the detection operation of a large number of valve bodies is performed, and then the supply pump is controlled to supply gas into the valve body through the supply pipe 5, so that the gas pressure of the valve body reaches a certain value, and then the supply is stopped and the valve body is kept still for a period of time, so as to detect the value change of the gas pressure in the valve body.

[0036] As shown in the figures, Figure 1 and Figure 2 The sliding seat 3 and the fixed seat 8 are oppositely distributed on the detection table 1, and the sliding seat 3 is located between the output end of the telescopic cylinder 6 and the fixed seat 8, which is designed so as to keep the coaxial relationship among the sliding seat 3, the fixed seat 8 and the valve body when the valve body is fixed, which can improve the stability of the valve body fixing and the sealing performance of the valve body port, and avoid the misalignment between the sliding seat 3 and the valve body and between the fixed seat 8 and the valve body, so as to affect the data accuracy of the sealing performance detection.

[0037] As shown in the figures, Figure 2 and Figure 4 The limit detection part 7 comprises:

[0038] A plurality of limit columns 72 inserted into a plurality of fixed holes 71 arranged on the sliding seat 3.

[0039] A hard pipe 74 in communication with a middle hole 73 arranged on the sliding seat 3, and the middle hole 73 on the sliding seat 3 is in communication with the supply pipe 5.

[0040] A pressure gauge 75 fixed to one end of the rigid pipe 74 is used to detect the internal pressure value of the middle hole 73.

[0041] The position detection part 7 further comprises a sealing ring 76 fixedly sleeved with the annular groove 78 arranged on the sliding seat 3, which is used to seal the port of the valve body when fixed.

[0042] The position detection part 7 further comprises a plurality of placing holes 77 arranged on the sliding seat 3, which are matched with the position limiting columns 72 and used to store the position limiting columns 72. According to the number of bolt holes on the port flange of the valve body, the position limiting columns 72 matched with the number and position are installed on the opposite surfaces of the sliding seat 3 and the fixed seat 8, so as to improve the positioning effect when the valve body is fixed and expand the application range.

[0043] The position limiting column 72 is matched with the bolt hole on the end surface of the valve body, and the position limiting column 72 and the inner wall of the middle hole are both provided with threads.

[0044] Since the position detection part 7 on the fixed seat 8 and the sliding seat 3 is relatively distributed, before the telescopic cylinder 6 is controlled to push the sliding seat 3 to clamp the valve body, the bolt hole on one port flange of the valve body is corresponded with the position limiting column 72 and sleeved on the position limiting column 72, and then the one port flange of the valve body is abutted against the fixed seat 8. At this time, the bolt hole on the other port flange of the valve body is corresponded with the position limiting column on the sliding seat 3, and then the telescopic cylinder 6 is controlled to extend to push the sliding seat 3 to the fixed seat 8. In this process, the position limiting column 72 on the sliding seat 3 is inserted into the bolt hole on the other port flange of the valve body, until the sliding seat 3 is tightly abutted against the other port flange of the valve body, and the middle hole 73 is communicated with the inside of the valve body. A certain amount of gas can be supplied to the valve body through the middle hole 73 on the sliding seat 3 and the supply pump and the supply pipe 5, so that the gas pressure in the valve body reaches a certain value and is stably maintained. After the gas supply is stopped and a period of time is allowed, the pressure difference value in the period of time can be detected through the two pressure gauges communicated by the two middle holes 73. By comparing the obtained pressure difference value with the standard pressure difference value, it can be known whether the sealing effect of the valve body is qualified or unqualified. The fixing operation before the valve body detection is simple and efficient, and the valve body can also be closed and allowed to stand for a period of time after the gas pressure value in the valve body is stabilized at the required value and the supply is stopped. The pressure difference value of the two cavities in the valve body can be detected respectively, and the sealing effect of the valve body when the valve body is on or off can be known by combining the foregoing operation, so as to improve the precision of the sealing performance detection of the sealing element in the valve body.

[0045] As shown in Figures 2 to 4 , the sealing performance detection table of the valve body sealing element further comprises a guide 4 arranged in the sliding groove 2, which is used to limit the movement direction of the sliding seat 3.

[0046] The guide 4 comprises at least one threaded slot 41 arranged in the sliding groove 2, a limiting plug 42 is arranged in the threaded slot 41, a limiting slot 43 is arranged on the sliding seat 3, and the outer sliding sleeve of the limiting plug 42 is arranged in the limiting slot 43.

[0047] In this way, the freedom of the sliding seat 3 can be constrained, and the sliding seat 3 can be linearly reciprocated in the sliding groove 2 under the pushing or pulling of the telescopic cylinder 6, and the sliding seat 3 can be quickly disassembled and assembled when being maintained, and the maintenance efficiency is improved.

[0048] Working principle: Since the limiting detection parts 7 on the fixed seat 8 and the sliding seat 3 are relatively distributed, before the telescopic cylinder 6 pushes the sliding seat 3 to clamp the valve body, the bolt hole on the flange of one port of the valve body is corresponded with the limiting column 72, and the bolt hole on the flange of one port of the valve body is sleeved on the limiting column 72, then the flange of one port of the valve body is abutted against the fixed seat 8, at this time, the bolt hole on the flange of the other port of the valve body is corresponded with the limiting column on the sliding seat 3, then the telescopic cylinder 6 is controlled to extend to push the sliding seat 3 to the fixed seat 8, in this process, the limiting column 72 on the sliding seat 3 is inserted into the bolt hole on the flange of the other port of the valve body, until the sliding seat 3 is tightly abutted against the flange of the other port of the valve body, and the middle hole 73 is communicated with the inside of the valve body, a certain amount of gas can be supplied to the valve body through the middle hole 73 on the sliding seat 3, the supply pump and the supply pipe 5, so that the gas pressure in the valve body reaches a certain value and is stably maintained, then the gas supply is stopped, and a period of time is waited, through the two pressure gauges connected by the two middle holes 73, the pressure change difference in the period of time can be detected, and the obtained pressure difference value is compared with the standard pressure difference value, so that the sealing effect of the valve body is determined to be qualified or unqualified, the fixing operation before the valve body detection is simple and efficient, and when the gas pressure value in the valve body is stabilized at the required value and the supply is stopped, the valve body is closed and a period of time is waited, the pressure difference of the two cavities in the valve body can be detected, and the sealing effect of the valve body in the on and off states can be known through the foregoing operation, when the valve body sealing detection is completed, the valve body after detection is removed by controlling the telescopic cylinder 6 to contract, and the operation is repeated, so that the detection efficiency is greatly improved when a large number of valve bodies are detected, and the limiting columns 72 matched in number and position with the bolt holes on the flange of the valve body can be arranged on the opposite surfaces of the sliding seat 3 and the fixed seat 8, so as to improve the positioning effect when the valve body is fixed, and expand the application range, and the excess limiting columns 72 can be inserted into the placing holes 77, so as to prevent the limiting columns 72 from being lost.

[0049] It should be understood by those of ordinary skill in the art that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest that the scope of the present application (including the claims) is limited to these examples; the above embodiments or technical features among different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0050] The present application is intended to cover all such alternatives, modifications, and variations as fall within the broad scope of the appended claims. Accordingly, any and all such alternatives, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A sealing performance testing station for valve body seals, comprising a testing station (1) and a fixing seat (8) fixed to the testing station (1), characterized in that, The sealing performance detection table of the valve body sealing element further comprises: A sliding seat (3) slidingly connected with a chute (2) arranged on the top of the detection table (1); A telescopic cylinder (6) fixed on the detection table (1), which is used to push the sliding seat (3) to approach or move away from the fixed seat (8); A supply pipe (5) fixed on the sliding seat (3), which is used to supply gas into the valve body; Two limiting detection parts (7) arranged on the opposite surfaces of the sliding seat (3) and the fixed seat (8), which are used to clamp and fix the valve body.

2. The valve body seal performance testing station of claim 1, wherein, The sliding seat (3) and the fixed seat (8) are oppositely distributed on the detection table (1), and the sliding seat (3) is located between the output end of the telescopic cylinder (6) and the fixed seat (8).

3. The valve body seal performance testing station of claim 1, wherein, The limiting detection part (7) comprises: A plurality of limiting columns (72) inserted into a plurality of fixed holes (71) arranged on the sliding seat (3); A hard pipe (74) in communication with a middle hole (73) arranged on the sliding seat (3); A pressure gauge (75) fixed on one end of the hard pipe (74), which is used to detect the internal pressure value of the middle hole (73).

4. The valve body seal performance testing station of claim 3, wherein, The limiting detection part (7) further comprises a sealing ring (76) fixedly sleeved with a ring groove (78) arranged on the sliding seat (3), which is used to seal the port of the valve body when the valve body is fixed.

5. The valve body seal performance testing station of claim 4, wherein, The limiting detection part (7) further comprises a plurality of placement holes (77) arranged on the sliding seat (3), which are matched with the limiting columns (72), and the placement holes (77) are used to store the limiting columns (72).

6. The valve body seal performance testing station of claim 5, wherein, The limiting column (72) is matched with the bolt hole on the end face of the valve body, and threads are arranged on the outer part of the limiting column (72) and the inner wall of the middle hole.

7. The valve body seal performance testing station of claim 1, wherein, The sealing performance detection table of the valve body sealing element further comprises a guide (4) arranged in the chute (2), which is used to limit and guide the movement direction of the sliding seat (3).

8. The valve body seal performance testing station of claim 7, wherein, The guide (4) comprises at least one threaded slot (41) arranged in the chute (2), a limiting plug (42) is screwed in the threaded slot (41), a limiting groove (43) is arranged on the sliding seat (3), and the outer part of the limiting plug (42) is slidingly sleeved in the limiting groove (43).

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