Dynamic pressure sensor dismounting device

Abstract

The utility model discloses a dynamic pressure sensor dismounting device comprising a cylindrical main body which is provided with a first end and a second end in the axial direction; the first end of the columnar main body is provided with a clamping part which is used for being mutually clamped with the compression nut, and the second end of the columnar main body is provided with a connecting part which is used for being mutually connected with the operating pieces; the columnar body is further provided with a long-strip-shaped cable groove, one end of the cable groove is communicated with the clamping part, and the other end of the cable groove is not communicated with the connecting part. When the dynamic pressure sensor is mounted and dismounted, the columnar main body can extend into a narrow space, the clamping part is clamped with the compression nut, the connecting part is connected with the operating part, and when the operating part drives the columnar main body to rotate, the columnar main body transmits torque to the clamping part, and the clamping part drives the compression nut to move, so that the dynamic pressure sensor is mounted and dismounted. The dynamic pressure sensor assembling and disassembling device is relatively simple and convenient to operate, relatively simple in structure, relatively low in manufacturing cost and beneficial to popularization.

Description

Technical Field

[0001] The utility model relates to the field of tools and instruments, in particular to a dynamic pressure sensor disassembly and assembly device. Background Art

[0002] In the fields of nuclear power engineering, aerospace, railway transportation, etc., it is often necessary to use a dynamic pressure sensor 100 to measure some pressures with high frequency of change. The dynamic pressure sensor 100 is a special pressure measuring instrument, and the installation method is also relatively special. By tightening the compression nut 300, the sealing gasket 400 on the top of the dynamic pressure sensor 100 is squeezed to achieve fastening and sealing installation, and the cable 200 connected to the dynamic pressure sensor 100 passes through the compression nut 300.

[0003] Normally, the operator can use a torque wrench to tighten and loosen the compression nut 300 of the dynamic pressure sensor 100 to complete the installation and removal of the dynamic pressure sensor 100. However, under special working conditions, due to the small internal space of the installation structure 500 (such as the small internal space of the pipeline, etc.), Figure 1 As shown, the compression nut 300 cannot be operated directly using a torque wrench. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a dynamic pressure sensor disassembly and assembly device.

[0005] The technical solution adopted by the utility model to solve the technical problem is: construct a dynamic pressure sensor disassembly and assembly device, including a columnar body, wherein the columnar body has an axial first end and a second end;

[0006] The first end of the columnar body is provided with a clamping portion for mutually clamping with a clamping nut, and the second end of the columnar body is provided with a connecting portion for mutually connecting operating members;

[0007] The columnar body is further provided with a long cable groove, one end of which is communicated with the clamping portion, and the other end of which is not communicated with the connecting portion.

[0008] In some embodiments, the columnar body is cylindrical in shape.

[0009] In some embodiments, the cross-section of the clamping portion is triangular, quadrilateral, pentagonal or hexagonal.

[0010] In some embodiments, the clamping portion has a first opening, and the first opening passes through at least one circumferential side surface of the clamping portion.

[0011] In some embodiments, the cable trough has a second opening, the second opening passes through at least one circumferential side surface of the cable trough, and the second opening is connected to the first opening.

[0012] In some embodiments, the cross-sectional shape of the cable trough is U-shaped, C-shaped or V-shaped.

[0013] In some embodiments, the connecting portion is a groove structure.

[0014] In some embodiments, the connecting portion includes a square groove and a C-shaped groove connected to four corners of the square groove.

[0015] In some embodiments, the connecting portion is a convex columnar structure.

[0016] In some embodiments, the dynamic pressure sensor disassembly and assembly device is an integrated structure.

[0017] The implementation of the utility model has the following beneficial effects: the dynamic pressure sensor disassembly and assembly device comprises a columnar body, a clamping portion is provided at the first end of the columnar body, and a connecting portion is provided at the second end of the columnar body. When the dynamic pressure sensor is installed and disassembled, the columnar body can be extended into a narrow space, and the clamping portion and the clamping nut are clamped with each other, and the connecting portion can be connected with the operating member. When the operating member drives the columnar body to rotate, the columnar body transmits the torque to the clamping portion, and the clamping portion can drive the clamping nut to move, thereby installing or disassembling the dynamic pressure sensor. The operation is relatively simple, the dynamic pressure sensor disassembly and assembly device has a relatively simple structure, a low manufacturing cost, and is conducive to promotion. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solution of the utility model, the utility model will be further described below in conjunction with the accompanying drawings and embodiments. It should be understood that the following drawings only show certain embodiments of the utility model, and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without creative work. In the drawings:

[0019] Figure 1 is a schematic diagram of the installation environment of the dynamic pressure sensor in some embodiments of the utility model;

[0020] Figure 2 is a side view of a dynamic pressure sensor disassembly and assembly device in some embodiments of the utility model;

[0021] Figure 3 is a bottom view of a dynamic pressure sensor disassembly and assembly device in some embodiments of the utility model;

[0022] Figure 4is a top view of a dynamic pressure sensor disassembly and assembly device in some embodiments of the utility model;

[0023] Figure 5 It is a partial structural stereogram of a dynamic pressure sensor disassembly and assembly device in some embodiments of the utility model. DETAILED DESCRIPTION

[0024] In order to have a clearer understanding of the technical features, purposes and effects of the present invention, the specific implementation methods of the present invention are now described in detail with reference to the accompanying drawings. In the following description, it should be understood that the directions or positional relationships indicated by "front", "back", "up", "down", "left", "right", "longitudinal", "horizontal", "vertical", "horizontal", "top", "bottom", "inside", "outside", "head", "tail", etc. are based on the directions or positional relationships shown in the accompanying drawings, are constructed and operated in a specific direction, and are only for the convenience of describing the present technical solution, rather than indicating that the device or element referred to must have a specific direction, and therefore cannot be understood as a limitation to the present invention.

[0025] It should also be noted that, unless otherwise clearly specified and limited, the terms such as "installed", "connected", "connected", "fixed", "set" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral one; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. When an element is referred to as being "on" or "under" another element, the element can be "directly" or "indirectly" located on the other element, or there may be one or more intermediate elements. The terms "first", "second", "third", etc. are only for the convenience of describing the present technical solution, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second", "third", etc. can explicitly or implicitly include one or more of the features. For those of ordinary skill in the art, the specific meanings of the above terms in the present utility model can be understood according to the specific circumstances.

[0026] In the following description, specific details such as specific system structures and technologies are provided for the purpose of illustration rather than limitation, so as to provide a thorough understanding of the embodiments of the present invention. However, it should be clear to those skilled in the art that the present invention can also be implemented in other embodiments without these specific details. In other cases, detailed descriptions of well-known systems, devices, circuits, and methods are omitted to avoid unnecessary details that hinder the description of the present invention.

[0027] See also Figures 2 to 5The utility model shows a dynamic pressure sensor disassembly and assembly device, which can solve the problem that under the current high temperature and high pressure working conditions, the dynamic pressure sensor 100 cannot be directly operated using a torque wrench because the pipeline wall is thick and the installation space is small.

[0028] Among them, Figure 2 : is a side view of the dynamic pressure sensor disassembly and assembly device. Figure 3 It is a bottom view of the dynamic pressure sensor disassembly and assembly device, mainly showing the structure of the connecting part 12. Figure 4 It is a top view of the dynamic pressure sensor disassembly and assembly device, mainly showing the structure of the clamping part 11. Figure 5 It is a partial structural stereoscopic diagram of the dynamic pressure sensor disassembly and assembly device, mainly showing the relationship between the clamping portion 11 and the cable groove 13.

[0029] like Figure 2 As shown, in some embodiments, the dynamic pressure sensor disassembly and assembly device may include a columnar body 10 having an axial first end 10a and a second end 10b.

[0030] The first end 10a of the columnar body 10 is provided with a clamping portion 11 for clamping with a clamping nut, and the second end 10b of the columnar body 10 is provided with a connecting portion 12 for connecting operating parts to each other.

[0031] The columnar body 10 is further provided with a long cable groove 13 , which is extended along the axial direction of the columnar body 10 , and one end of the cable groove 13 is connected to the clamping portion 11 , and the other end of the cable groove 13 is not connected to the connecting portion 12 .

[0032] It can be understood that when installing and disassembling the dynamic pressure sensor 100, the columnar body 10 can be extended into a narrow space, and the clamping portion 11 and the clamping nut 300 are clamped with each other, and the connecting portion 12 can be connected with the operating member. When the operating member drives the columnar body 10 to rotate, the columnar body 10 transmits the torque to the clamping portion 11, and the clamping portion 11 can drive the clamping nut to move, thereby installing or disassembling the dynamic pressure sensor 100. The operation is relatively simple, the dynamic pressure sensor disassembly and assembly device has a relatively simple structure, and the manufacturing cost is low, which is conducive to promotion.

[0033] In some embodiments, the columnar body 10 is cylindrical in shape, and the axial dimensions of the columnar body 10 are uniformly arranged. It can be understood that the cylindrical structure makes it easier to process the columnar body 10, and when the columnar body 10 extends into the mounting structure 500 (such as a pipe), the columnar body 10 is not likely to interfere with the internal structure of the mounting structure 500 during rotation, so that the columnar body 10 can rotate more smoothly.

[0034] Of course, the columnar body 10 can also be an elliptical columnar structure, a square columnar structure, etc.

[0035] The radial diameter of the columnar body 10 is slightly smaller than the inner diameter of the narrow installation space of the mounting structure 500, so that the compression nut 300 can be easily inserted and aligned when out of sight. The axial length of the columnar body 10 is greater than the length of the narrow space of the mounting structure 500.

[0036] In some embodiments, the clamping portion 11 can be a groove structure, whose inner diameter and depth dimensions match the dimensions of the clamping nut 300. The groove depth of the clamping portion 11 is equal to the height of the force-bearing part of the clamping nut 300. If the groove depth of the clamping portion 11 is too shallow, the dynamic pressure sensor disassembly and assembly device cannot effectively clamp the clamping nut 300, which may easily cause the dynamic pressure sensor disassembly and assembly device to slip; if the depth of the clamping portion 11 is too deep, the clamping nut 300 is entirely inside the dynamic pressure sensor disassembly and assembly device and cannot be installed.

[0037] Furthermore, the cross section of the clamping portion 11 is triangular, quadrilateral, pentagonal or hexagonal. In the present embodiment, the force-bearing structure of the clamping nut 300 is hexagonal, therefore, the cross section of the clamping portion 11 may be hexagonal, that is, the clamping portion 11 may be a hexagonal groove, wherein the depth of the hexagonal groove is equal to the height of the hexagonal force-bearing part of the clamping nut 300. If the depth of the hexagonal groove is too shallow, the dynamic pressure sensor disassembly and assembly device cannot effectively clamp the clamping nut 300, which may easily cause the dynamic pressure sensor disassembly and assembly device to slip; if the depth of the hexagonal groove is too deep, the clamping nut 300 is completely inside the dynamic pressure sensor disassembly and assembly device and cannot be installed. In some embodiments, the clamping portion 11 may also be defined as a "compression nut interface".

[0038] like Figure 5 As shown, in some embodiments, the clamping portion 11 has a first opening 111, and the first opening 111 passes through at least one circumferential side of the clamping portion 11. The clamping portion 11 can be inserted into the force-bearing structure of the clamping nut 300 from one side of the first opening 111. The first opening 111 also facilitates the routing of the cable 200.

[0039] like Figure 5 As shown, in some embodiments, the cable trough 13 has a second opening 131, the second opening 131 passes through at least one circumferential side of the cable trough 13, and the second opening 131 is connected to the first opening 111 to facilitate the routing of the cable 200. Preferably, the cross-sectional shape of the cable trough 13 is U-shaped, C-shaped or V-shaped.

[0040] Specifically, the cable groove 13 can be used to pass the cable 200 of the dynamic pressure sensor 100, and the cable groove 13 is opened in the axial middle position of the columnar body 10, and the radial depth of the cable groove 13 can be greater than the radial radius of the columnar body 10, that is, the axis of the columnar body 10 can be located in the inner cavity of the cable groove 13. Further, the width of the cable groove 13 is greater than the diameter of the cable 200 of the dynamic pressure sensor 100.

[0041] See again Figure 4 The connection part 12 is a groove structure. The connection part 12 can be a groove structure opened at the center of the second end 10b of the columnar body 10. The side length, depth and other dimensions of the groove structure match the dimensions of the operating member (such as a torque wrench). By using the dynamic pressure sensor disassembly and assembly device, the operating member (such as a torque wrench) can indirectly achieve the torque operation of the compression nut 300.

[0042] Further, the connection portion 12 may include a square groove 121 and a C-shaped groove 122 connected to four corners of the square groove 121. The connection portion 12 is mainly used to connect to the torque output end of an operating member (such as a torque wrench).

[0043] In some embodiments, the connecting portion 12 is a convex columnar structure, such as a rectangular columnar structure or a hexagonal columnar structure, so as to be suitable for a torque wrench with a cylindrical structure at the driving end.

[0044] Of course, the structure of the connecting portion 12 can be appropriately adjusted according to the type and specification of the operating member that matches it, and no specific limitation is made here.

[0045] In some embodiments, the dynamic pressure sensor disassembly and assembly device is an integrated structure and can be integrally cast by a mold.

[0046] In some embodiments, the dynamic pressure sensor disassembly and assembly device is a detachable structure, which may include the following forms: (1) The clamping portion 11 may be detachably connected to the columnar body 10, such as a threaded connection, and the connecting portion 12 may be an integral structure with the columnar body 10. (2) The clamping portion 11 may be an integral structure with the columnar body 10, and the connecting portion 12 may be detachably connected to the columnar body 10, such as a threaded connection. (3) The clamping portion 11 may be an integral structure with the columnar body 10, detachably connected, such as a threaded connection. At the same time, the connecting portion 12 may be detachably connected to the columnar body 10, such as a threaded connection.

[0047] It is understandable that components of different specifications and sizes can be replaced through the detachable connection.

[0048] In some embodiments, the columnar body 10, the clamping portion 11 and the connecting portion 12 are metal parts, such as stainless steel, aluminum or aluminum alloy. Preferably, the dynamic pressure sensor disassembly and assembly device is made of stainless steel, such as stainless steel 316L, which has a stable structure, is not easily deformed, and is easy to process.

[0049] Wherein, when the dynamic pressure sensor disassembly device is not used, the dynamic pressure sensor 100 in a narrow space cannot be installed or disassembled. After the dynamic pressure sensor disassembly device is used, the dynamic pressure sensor 100 in a narrow space can be installed or disassembled smoothly.

[0050] During the installation operation, the clamping nut 300 of the dynamic pressure sensor 100 is clamped on the clamping part 11, the cable 200 is placed in the cable groove 13, and then the dynamic pressure sensor disassembly and assembly device with the clamping nut 300 is extended into the narrow space of the space structure 500. When the clamping nut 300 is aligned with the installation port, the operating part (such as a torque wrench) is installed on the connecting part 12. The dynamic pressure sensor disassembly and assembly device can be rotated clockwise to drive the clamping nut 300 to tighten. When the required set torque value is reached, the dynamic pressure sensor 100 is installed.

[0051] When performing the disassembly operation, first extend the clamping portion 11 side of the dynamic pressure sensor disassembly and assembly device into the narrow space where the dynamic pressure sensor 100 is located, and put the cable 200 of the dynamic pressure sensor 100 into the cable groove 13, and then gradually extend the dynamic pressure sensor disassembly and assembly device into the narrow space until the clamping portion 11 clamps the clamping nut 300, and then the dynamic pressure sensor disassembly and assembly device can be rotated counterclockwise so that the clamping nut 300 of the dynamic pressure sensor 100 is removed, and finally pull out the dynamic pressure sensor 300 along the cable 200, and the disassembly is completed.

[0052] It can be understood that the dynamic pressure sensor 100 can be properly installed and disassembled in a small space through the dynamic pressure sensor disassembly and assembly device, and the operation is relatively simple. The dynamic pressure sensor disassembly and assembly device has a relatively simple structure and a low manufacturing cost, which is conducive to promotion.

[0053] It can be understood that the above embodiments only express the preferred implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the patent scope of the utility model. It should be pointed out that, for ordinary technicians in this field, without departing from the concept of the utility model, the above-mentioned technical features can be freely combined, and several deformations and improvements can be made, which all belong to the protection scope of the utility model. Therefore, all equivalent changes and modifications made to the scope of the claims of the utility model should fall within the scope of the claims of the utility model.

Claims

1. A dynamic pressure sensor disassembly and assembly device, characterized in that: It comprises a columnar body (10), wherein the columnar body (10) has an axial first end (10a) and a second end (10b); The first end (10a) of the columnar body (10) is provided with a clamping portion (11) for clamping with a clamping nut, and the second end (10b) of the columnar body (10) is provided with a connecting portion (12) for connecting operating parts to each other; The columnar body (10) is also provided with a long cable groove (13), one end of the cable groove (13) is connected to the clamping portion (11), and the other end of the cable groove (13) is not connected to the connecting portion (12).

2. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The columnar body (10) is cylindrical in shape.

3. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The cross section of the clamping portion (11) is triangular, quadrilateral, pentagonal or hexagonal.

4. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The clamping portion (11) has a first opening (111), and the first opening (111) passes through at least one circumferential side surface of the clamping portion (11).

5. The dynamic pressure sensor disassembly and assembly device according to claim 4, characterized in that: The cable trough (13) has a second opening (131), the second opening (131) passes through at least one circumferential side surface of the cable trough (13), and the second opening (131) is connected to the first opening (111).

6. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The cross-sectional shape of the cable trough (13) is U-shaped, C-shaped or V-shaped.

7. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The connecting portion (12) is a groove structure.

8. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The connecting portion (12) comprises a square groove (121) and a C-shaped groove (122) connected to four corners of the square groove (121).

9. The dynamic pressure sensor disassembly and assembly device according to claim 1, characterized in that: The connecting portion (12) is a convex columnar structure.

10. The dynamic pressure sensor disassembly and assembly device according to any one of claims 1 to 9, characterized in that: The dynamic pressure sensor disassembly and assembly device is an integrated structure.

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