Instrument mounting bracket

Abstract

The utility model discloses an instrument installation support which comprises a conveying pipe, a stop valve is installed on the top of the conveying pipe, a supporting shell is fixedly connected to the top of the stop valve, an installation pipe is installed on the inner side of the supporting shell, an instrument detection pipe is fixedly connected to the inner side of the installation pipe, and a pressure instrument body is installed on the top of the instrument detection pipe. The beneficial effects of the utility model are that by adding the sealing frame and the sealing groove, the sealing frame enters the sealing groove, the sealing frame and the sealing groove are sealed and the internal installation is stabilized when the external fixing frame is attached to the top of the supporting shell, and by adding the top plate and the fixing clamping groove, the top plate is prevented from entering the fixing clamping groove when the top plate enters the fixing clamping groove. The mounting pipe and the instrument detection pipe are fixed on the inner side of the supporting shell, and the instrument detection pipe and the pressure instrument body are connected with the supporting shell and the stop valve.

Description

Technical Field

[0001] The utility model relates to the technical field of instrument installation, in particular to an instrument installation bracket. Background Art

[0002] The petrochemical industry, referred to as petrochemicals, refers to the processing industry that uses oil and natural gas as raw materials to produce petroleum products and petrochemical products. It is an important part of the chemical industry. Petrochemical instruments refer to instruments that automatically detect, display and control various variables (such as temperature, pressure, liquid level, flow, composition, etc.) in the production process of chemical industry and oil refining. Petrochemical instruments are usually installed on the surface of petrochemical pipelines or containers through mounting brackets. Most petrochemical instruments are directly installed on the connecting pipes and directly connected to the conveying pipes to perform measurement work. However, the existing installation of petrochemical instruments is relatively cumbersome. It is not convenient to install petrochemical instruments in some small spaces, and the installation and positioning effect is not good. Utility Model Content

[0003] The purpose of the utility model is to provide an instrument mounting bracket to solve the problem that most of the petrochemical instruments proposed in the above background technology are directly installed on the connecting pipe and directly communicated with the conveying pipe to perform measurement work, but the existing installation of petrochemical instruments is relatively cumbersome, it is not convenient to install the petrochemical instruments in some small spaces, and the installation positioning effect is not good.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: an instrument mounting bracket, comprising a delivery pipe, a stop valve is installed on the top of the delivery pipe, the top of the stop valve is fixedly connected (for example, welded) to a support shell, the top opening of the stop valve is connected to the support shell, a mounting pipe is installed on the inner side of the support shell, the inner side wall of the support shell and the outer side wall of the mounting pipe are sealed, an instrument detection tube is fixedly connected to the inner side of the mounting pipe, the inner side wall of the mounting pipe and the instrument detection tube are fixedly connected without a gap, the mounting pipe and the instrument detection tube are both connected to the stop valve, located in the cavity of the support shell, the pressure is detected through the instrument detection tube, and the pressure instrument body is installed on the top of the instrument detection tube.

[0005] Preferably, the instrument detection tube and the pressure instrument body are integrated, the pressure instrument body is detected through the instrument detection tube, and the instrument detection tube at the bottom of the pressure instrument body is a detection probe to detect the pressure.

[0006] Furthermore, a plurality of fixing slots, for example two, three or four, or even five or six, preferably three or four, are provided at intervals (preferably at equal intervals) on the outer circumferential side of the mounting tube. For example, the distance between the horizontal plane where the fixing slots are located and the top plane of the mounting tube may be 2 / 3 of the height of the mounting tube, but is not limited thereto.

[0007] Further, a movable opening is provided on one side of the support shell, for example, the height of the movable opening can be 1 / 6 of the support shell, but is not limited thereto. The movable opening penetrates the side wall of one side of the support shell, and the movable opening is movably connected to a top plate matched with a fixed card slot inside the movable opening, and the purpose of installation can be achieved by fixing one of the fixed card slots to the top plate, and the remaining fixed card slots serve the purpose of easy installation angle control (limiting effect), the top plate can slide up and down inside the movable opening (the top plate can slide up and down inside the movable opening to achieve sealing between the upper sealing frame and the sealing slot), the outer side of the top plate is movably connected (preferably rotatably and slidably connected) with a sliding block, the top plate penetrates the sliding block and enters the movable opening, one side of the sliding block is slidably connected to the support shell (limited sliding), the inner side of the support shell is fixedly connected to a limiting block, the lower bottom surface of the limiting block is fixedly connected to the inner cavity of the support shell, and the limiting block limits the installation position of the installation tube and the instrument detection tube in the support shell.

[0008] Further, the top of the mounting tube extends out of the top of the supporting shell, for example, the height difference between the top of the mounting tube and the top of the supporting shell can be 1 / 5 of the height of the mounting tube, the upper outer portion of the mounting tube is fixedly connected with an outer fixing frame, the bottom of the outer fixing frame is fixedly connected with a sealing frame, the top of the supporting shell is provided with a sealing groove that matches the sealing frame, and the sealing frame can be snapped into the inside of the sealing groove, for example, the distance between the vertical surface where the sealing groove is located and the outer side wall of the supporting shell can be 2 / 3 of the distance between the inner side wall and the outer side wall of the supporting shell, but not limited thereto. The outer fixing frame on the outer side of the mounting tube is sealed between the sealing frame at the bottom and the sealing groove, which ensures the stability of the installation between the mounting tube, the instrument detection tube and the pressure instrument body and the supporting shell, and the delivery pipe is the pipeline to be detected, which is used to deliver liquid.

[0009] Furthermore, the internal thread of the sliding block is connected with an adjusting screw, and one side of the supporting shell is fixedly connected with two No. 2 fixing plates, and the two No. 2 fixing plates are both rotatably connected with the two ends of the adjusting screw, and the adjusting screw passes through the No. 2 fixing plates, and the position of the adjusting screw is supported by the two No. 2 fixing plates. For example, the No. 2 fixing plates can be rectangular and can be made of stainless steel. There is a No. 2 fixing plate above and below the sliding block, and the top of one of the No. 2 fixing plates (the No. 2 fixing plate above) is rotatably connected with a rotating screw block, and one end of the adjusting screw is fixedly connected with the rotating screw block, and the adjusting screw is rotated by rotating the screw block, and the moving position of the sliding block is adjusted by the adjusting screw, and the adjusting screw is threadedly connected with the sliding block, and when the adjusting screw rotates, the sliding block moves and adjusts along the thread on the outside of the adjusting screw, and the rotating screw block can be a hexagonal structure and can be made of stainless steel.

[0010] Furthermore, a No. 1 fixing plate is fixedly connected to one side of the sliding block, and a limiting bolt is connected to the internal thread of the No. 1 fixing plate. Two limiting grooves that are spaced apart and cooperate with the limiting bolts are provided on the top of the top plate. The two limiting grooves are provided to facilitate adjustment of the position of the top plate and to facilitate installation and removal of the top plate in the fixing slot. The limiting bolt can be clamped in the limiting groove, and the position of the top plate is limited by the limiting groove, and the top plate and the fixing slot are fixed and separated. For example, the No. 1 fixing plate can be a rectangular parallelepiped and can be made of stainless steel. The fixing and separation are for realizing the installation and removal of the installation pipe and the instrument detection pipe.

[0011] A limit plate is fixedly connected to one side of the top plate, and the moving position of the top plate is limited by the limit plate, and the inward pressing position of the limit plate and the top plate is limited. The limit plate can be a rectangular parallelepiped and can be made of stainless steel.

[0012] In one embodiment, the delivery pipe is cylindrical and made of stainless steel. The external structure of the support shell is cylindrical and made of stainless steel. The mounting tube is used to assist the installation and positioning of the instrument detection tube for detection processing. The mounting tube is cylindrical and made of stainless steel. The instrument detection tube is used to detect pressure. The fixed card slot is a rectangular structure. The movable port is used for the up and down sliding and inward and outward movement of the top plate, which is convenient for disassembly and installation and fixing. The limiting block is used to limit the up and down movement of the mounting tube inside the support shell. The outer fixing frame is annular, and the sealing frame is annular. The inner diameter of the delivery pipe is 20 cm, the wall thickness of the delivery pipe is 24 mm, and the diameter of the support shell is 20 cm and the height is 45 cm. The length of the installation pipe is 15cm, the wall thickness is 1.2cm, and the inner diameter is 5cm. The height of the instrument detection tube is 17cm. The length of the sliding block 13 is 2cm, the width is 1.8cm, and the height is 5.5cm. The length of the limit block is 1.5cm, the width is 3cm, and the height is 3.5cm. The outer diameter of the outer fixed frame is 16cm, and the outer diameter of the sealing frame is 12cm. The length of the second fixed plate is 2.5cm, the width is 1.2cm, and the height is 0.6cm. The length of the rotating screw block is 1cm, the width is 1cm, and the height is 0.5cm. The length of the first fixed plate is 1cm, the width is 1cm, and the height is 0.4cm. The length of the limit plate 16 is 0.4cm, the width is 2cm, and the height is 2.5cm. The present application is not limited to the above implementation scheme.

[0013] When in use, when disassembling the pressure instrument body, by rotating the rotating screw block, the rotating screw block drives the adjusting screw to rotate, and the adjusting screw drives the sliding block to move upward for adjustment. When the sliding block moves, it drives the top plate to move upward, and drives the fixed card slot and the mounting tube to move upward through the top plate, and the mounting tube drives the pressure instrument body to move upward. The outer fixed frame outside the mounting tube drives the bottom sealing frame to leave the seal between the sealing slot, and then rotate the limiting bolt upward, the limiting bolt leaves one of the limiting slots, and the top plate can be pulled through the limit plate. The top plate leaves the fixed card slot, and the mounting tube, the instrument detection tube and the pressure instrument body can be disassembled and separated from the supporting shell, and then the sliding block and the top plate are moved downward to reset, which is convenient for the next installation. When testing, open the switch of the stop valve, and the liquid to be tested enters the pressure instrument body through the channel, and contacts the probe of the pressure instrument body to complete the test.

[0014] Advantages of the utility model:

[0015] Compared with the prior art, the utility model has the following beneficial effects: the utility model adds a sealing frame and a sealing groove, so that when the external fixed frame is attached to the top of the supporting shell, the sealing frame enters the sealing groove, and the sealing frame and the sealing groove are sealed to stabilize the internal installation; and by adding a top plate and a fixing groove, when the top plate enters the fixing groove, the installation tube and the instrument detection tube are fixed at the position inside the supporting shell, and the instrument detection tube and the pressure instrument body are connected to the supporting shell and the shut-off valve, which is convenient for staff to operate and avoids the inconvenience of staff to fix the measuring instrument due to the small space. At the same time, it is avoided that the measuring element in the measuring instrument may be damaged when the measuring instrument is fixed, thereby affecting the service life. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 This is a schematic diagram of the internal structure of the utility model;

[0017] Figure 2 For this utility model Figure 1 Enlarged view of point A in the middle;

[0018] Figure 3 This is a left view of the sliding block of the utility model;

[0019] Figure 4 This is a schematic diagram of the external structure of the installation pipe of the utility model;

[0020] Figure 5 This is a bottom view of the sealing frame of the utility model.

[0021] In the figure: 1. delivery pipe; 2. stop valve; 3. support shell; 4. installation pipe; 5. instrument detection tube; 6. outer fixing frame; 7. sealing frame; 8. sealing groove; 9. pressure instrument body; 10. top plate; 11. fixing slot; 12. No. 1 fixing plate; 13. sliding block; 14. limiting bolt; 15. limiting slot; 16. limit plate; 17. No. 2 fixing plate; 18. adjusting screw; 19. rotating screw block; 20. limiting block; 21. movable port. DETAILED DESCRIPTION

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. The specific shapes, sizes and other data given are only for illustration and not for limitation, and are intended to facilitate implementation by those skilled in the art. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] See also Figures 1 to 5The utility model provides a technical solution: an instrument mounting bracket, including a delivery pipe 1, a stop valve 2 is installed on the top of the delivery pipe 1, a support shell 3 is welded and fixed on the top of the stop valve 2, the top opening of the stop valve 2 is connected with the support shell 3, a mounting pipe 4 is installed on the inner side of the support shell 3, there is no gap between the inner side wall of the support shell 3 and the outer side wall of the mounting pipe 4, and they are in a sealed state, an instrument detection pipe 5 is fixedly connected to the inner side of the mounting pipe 4, the inner side wall of the mounting pipe 4 and the instrument detection pipe 5 are fixedly connected without a gap, the mounting pipe 4 and the instrument detection pipe 5 are both connected with the stop valve 2, and are in the cavity of the support shell 3, the pressure is detected through the instrument detection pipe 5, a pressure instrument body 9 is installed on the top of the instrument detection pipe 5, the instrument detection pipe 5 and the pressure instrument body 9 are integrated, and the pressure instrument body 9 is detected through the instrument detection pipe 5. The instrument detection pipe 5 at the bottom of the pressure instrument body 9 is a detection probe for detecting pressure.

[0024] The outer circumferential side of the mounting tube 4 is provided with a plurality of, for example, two, three or four, or even five or six fixed slots 11 at intervals (preferably at equal intervals), preferably 3 or 4 fixed slots. For example, the distance between the horizontal plane where the fixed slots 11 are located and the top plane of the mounting tube 4 can be 2 / 3 of the height of the mounting tube 4, but is not limited to this. A movable opening 21 is provided on one side of the supporting shell 3. For example, the height of the movable opening 21 can be 1 / 6 of the supporting shell 3, but is not limited to this. The movable opening 21 passes through the side wall of one side of the supporting shell 3. The interior of the movable opening 21 is movably connected to a top plate 10 that cooperates with the fixed slots 11. The purpose of installation can be achieved by fixing one of the fixed slots 11 to the top plate 10, and the remaining fixed slots 11 serves the purpose of easy installation and controllable angle (limiting effect), the top plate 10 can slide up and down inside the movable opening 21 (the top plate 10 can slide up and down inside the movable opening 21 to achieve sealing between the upper sealing frame 7 and the sealing groove 8), the outer side of the top plate 10 is movably connected (preferably rotatably and slidably connected) with a sliding block 13, the top plate 10 passes through the sliding block 13 and then enters the movable opening 21, one side of the sliding block 13 is slidably connected to the support shell 3 (limited sliding), the inner side of the support shell 3 is fixedly connected with a limiting block 20, the lower bottom surface of the limiting block 20 is fixedly connected to the inner cavity of the support shell 3, and the limiting block 20 limits the installation position of the installation tube 4 and the instrument detection tube 5 in the support shell 3.

[0025] The top of the mounting tube 4 extends out of the top of the supporting shell 3. For example, the height difference between the top of the mounting tube 4 and the top of the supporting shell 3 may be 1 / 5 of the height of the mounting tube 4. An outer fixing frame 6 is fixedly connected to the upper outer side of the mounting tube 4. A sealing frame 7 is fixedly connected to the bottom of the outer fixing frame 6. A sealing groove 8 cooperating with the sealing frame 7 is provided on the top of the supporting shell 3. The sealing frame 7 can be snapped into the inside of the sealing groove 8. For example, the distance between the vertical plane where the sealing groove 8 is located and the outer side wall of the supporting shell 3 may be 2 / 3 of the distance between the inner side wall and the outer side wall of the supporting shell 3. The outer fixing frame 6 on the outer side of the mounting tube 4 is sealed between the sealing frame 7 and the sealing groove 8 at the bottom, thereby ensuring the stability of the installation between the mounting tube 4, the instrument detection tube 5 and the pressure instrument body 9 and the supporting shell 3. The delivery pipe 1 is the pipeline to be detected, which is used to transport liquid.

[0026] The internal thread of the sliding block 13 is connected to an adjusting screw 18, and two No. 2 fixing plates 17 are fixedly connected to one side of the supporting shell 3. The two No. 2 fixing plates 17 are rotatably connected to both ends of the adjusting screw 18. The adjusting screw 18 passes through the No. 2 fixing plates 17, and the position of the adjusting screw 18 is supported by the two No. 2 fixing plates 17. For example, the No. 2 fixing plate 17 can be a rectangular parallelepiped and can be made of stainless steel. There is a No. 2 fixed plate 17 above and below the sliding block 13, and the top of one of the No. 2 fixed plates 17 (the No. 2 fixed plate above) is rotatably connected with a rotating screw block 19, and one end of the adjusting screw rod 18 is fixedly connected to the rotating screw block 19. The adjusting screw rod 18 is rotated by rotating the screw block 19, and the moving position of the sliding block 13 is adjusted by adjusting the screw rod 18. The adjusting screw rod 18 is threadedly connected to the sliding block 13. When the adjusting screw rod 18 rotates, the sliding block 13 is moved and adjusted along the thread on the outside of the adjusting screw rod 18. The rotating screw block 19 can be a hexagonal structure and can be made of stainless steel.

[0027] A No. 1 fixing plate 12 is fixedly connected to one side of the sliding block 13, and a limiting bolt 14 is connected to the internal thread of the No. 1 fixing plate 12. Two limiting grooves 15 that cooperate with the limiting bolt 14 are provided at intervals on the top of the top plate 10. The two limiting grooves 15 are provided to facilitate the adjustment of the position of the top plate 10 and the installation and removal of the top plate 10 in the fixed card slot 11. The limiting bolt 14 can be clamped in the limiting groove 15, and the position of the top plate 10 is limited by the limiting groove 15. The top plate 10 and the fixed card slot 11 are fixed and separated. The No. 1 fixing plate 12 can be a rectangular parallelepiped and can be made of stainless steel. The fixing and separation are to realize the installation and removal of the installation tube 4 and the instrument detection tube 5.

[0028] A limit plate 16 is fixedly connected to one side of the top plate 10 to limit the moving position of the top plate 10 and to limit the inward pressing position of the limit plate 16 and the top plate 10. The limit plate 16 can be a rectangular parallelepiped and can be made of stainless steel.

[0029] In one embodiment, the delivery pipe 1 is cylindrical and made of stainless steel. The external structure of the support shell 3 is cylindrical and made of stainless steel. The mounting tube 4 is used to assist the installation and positioning of the instrument detection tube 5 for detection processing. The mounting tube 4 is cylindrical and made of stainless steel. The instrument detection tube 5 is used to detect pressure. The fixed card slot 11 is a rectangular structure. The movable port 21 is used for the up and down sliding and inward and outward movement of the top plate 10, which is convenient for disassembly and installation and fixation. The limiting block 20 is used to limit the up and down movement of the mounting tube 4 inside the support shell 3. The outer fixing frame 6 is annular, and the sealing frame 7 is annular. The inner diameter of the delivery pipe 1 is 20 cm, the wall thickness of the delivery pipe 1 is 24 mm, and the diameter of the support shell 3 is 20 cm and the height is 45cm, the length of the installation tube 4 is 15cm, the wall thickness is 1.2cm, and the inner diameter is 5cm, the height of the instrument detection tube 5 is 17cm, the length of the sliding block 13 is 2cm, the width is 1.8cm, and the height is 5.5cm, the length of the limit block 20 is 1.5cm, the width is 3cm, and the height is 3.5cm, the outer diameter of the outer fixing frame 6 is 16cm, the outer diameter of the sealing frame 7 is 12cm, the length of the second fixing plate 17 is 2.5cm, the width is 1.2cm, and the height is 0.6cm, the length of the rotating screw block 19 is 1cm, the width is 1cm, and the height is 0.5cm, the length of the first fixing plate 12 is 1cm, the width is 1cm, and the height is 0.4cm, and the length of the limit plate 16 is 0.4cm, the width is 2cm, and the height is 2.5cm. The present application is not limited to the above implementation scheme.

[0030] When in use, when disassembling the pressure meter body 9, by rotating the rotating screw block 19, the rotating screw block 19 drives the adjusting screw rod 18 to rotate, and the adjusting screw rod 18 drives the sliding block 13 to move upward for adjustment. When the sliding block 13 moves, it drives the top plate 10 to move upward, and drives the fixing slot 11 and the mounting tube 4 to move upward through the top plate 10, and the mounting tube 4 drives the pressure meter body 9 to move upward, and the outer fixing frame 6 outside the mounting tube 4 drives the sealing frame 7 at the bottom to leave the seal between the sealing slot 8, and then rotate the limiting bolt 14 upward, and the limiting bolt 14 leaves one of the limiting slots 15, and the top plate 10 can be pulled through the limiting plate 16, and the top plate 10 leaves the fixing slot 11, and the mounting tube 4, the instrument detection tube 5 and the pressure meter body 9 can be disassembled and separated from the supporting shell 3, and then the sliding block 13 and the top plate 10 are moved downward to reset, which is convenient for the next installation. When testing, open the switch of the stop valve 2, and the liquid to be tested enters the pressure meter body 9 through the channel, and contacts the probe of the pressure meter body 9 to complete the test.

[0031] In the description of the present invention, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "the other end", "upper", "one side", "top", "inside", "front", "center", "both ends" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore should not be understood as a limitation on the present invention.

[0032] In addition, the terms "first", "second", "third" and "fourth" are used for descriptive purposes only and are not to be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, the features defined as "first", "second", "third" and "fourth" may explicitly or implicitly include at least one of such features.

[0033] In the present utility model, unless otherwise clearly stipulated and limited, the terms such as "installation", "setting", "connection", "fixation" and "screw-on" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integrated connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. Unless otherwise clearly defined, ordinary technicians in this field can understand the specific meanings of the above terms in the utility model according to the specific circumstances.

[0034] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An instrument mounting bracket, characterized in that: The invention comprises a delivery pipe (1), a stop valve (2) is installed on the top of the delivery pipe (1), a support shell (3) is fixedly connected to the top of the stop valve (2), the top opening of the stop valve (2) is connected to the support shell (3), a mounting pipe (4) is installed on the inner side of the support shell (3), the inner side wall of the support shell (3) and the outer side wall of the mounting pipe (4) are sealed, an instrument detection pipe (5) is fixedly connected to the inner side of the mounting pipe (4), the inner side wall of the mounting pipe (4) and the instrument detection pipe (5) are fixedly connected without a gap, the mounting pipe (4) and the instrument detection pipe (5) are both connected to the stop valve (2), are located in the cavity of the support shell (3), the pressure is detected through the instrument detection pipe (5), and a pressure meter body (9) is installed on the top of the instrument detection pipe (5).

2. The instrument mounting bracket according to claim 1, characterized in that: A plurality of fixed slots (11) are provided at intervals on the outer circumferential side of the mounting tube (4); a movable opening (21) is provided on one side of the supporting shell (3); the movable opening (21) penetrates through a side wall of one side of the supporting shell (3); a top plate (10) is movably connected inside the movable opening (21) and matches the fixed slots (11); the top plate (10) can slide up and down inside the movable opening (21); a sliding block (13) is movably connected outside the top plate (10); the top plate (10) penetrates through the sliding block (13) and enters the movable opening (21); one side of the sliding block (13) is slidably connected to the supporting shell (3); a limiting block (20) is fixedly connected inside the supporting shell (3); a lower bottom surface of the limiting block (20) is fixedly connected to an inner cavity of the supporting shell (3); the limiting block (20) limits the installation position of the mounting tube (4) and the instrument detection tube (5) in the supporting shell (3).

3. The instrument mounting bracket according to claim 2, characterized in that: The top of the mounting tube (4) extends out of the top of the supporting shell (3); an outer fixing frame (6) is fixedly connected to the upper outer side of the mounting tube (4); a sealing frame (7) is fixedly connected to the bottom of the outer fixing frame (6); a sealing groove (8) cooperating with the sealing frame (7) is provided at the top of the supporting shell (3); the sealing frame (7) can be snap-fitted into the inside of the sealing groove (8); and the outer fixing frame (6) on the outer side of the mounting tube (4) is sealed between the sealing frame (7) at the bottom and the sealing groove (8).

4. The instrument mounting bracket according to claim 2 or 3, characterized in that: The inner thread of the sliding block (13) is connected with an adjusting screw rod (18). Two No. 2 fixing plates (17) are fixedly connected to one side of the supporting shell (3). The two No. 2 fixing plates (17) are both rotatably connected to the two ends of the adjusting screw rod (18). The adjusting screw rod (18) passes through the No. 2 fixing plates (17). The position of the adjusting screw rod (18) is supported by the two No. 2 fixing plates (17). There is one No. 2 fixing plate (17) above and below the sliding block (13). The top of one of the No. 2 fixing plates (17) is rotatably connected with a rotating screw block (19). One end of the adjusting screw rod (18) is fixedly connected to the rotating screw block (19). The adjusting screw rod (18) is rotated by rotating the screw block (19). The moving position of the sliding block (13) is adjusted by the adjusting screw rod (18).

5. The instrument mounting bracket according to claim 4, characterized in that: A first fixing plate (12) is fixedly connected to one side of the sliding block (13); a limiting bolt (14) is connected to the inner thread of the first fixing plate (12); two limiting grooves (15) are provided at a distance from each other on the top of the top plate (10) and cooperate with the limiting bolt (14); the two limiting grooves (15) are provided to facilitate adjustment of the position of the top plate (10) and to facilitate installation and removal of the top plate (10) in the fixing slot (11); the limiting bolt (14) can be clamped in the limiting groove (15); the position of the top plate (10) is limited by the limiting groove (15); and the fixing and separation operations between the top plate (10) and the fixing slot (11) are performed.

6. The instrument mounting bracket according to claim 5, characterized in that: One side of the top plate (10) is fixedly connected to a limit plate (16), and the movement position of the top plate (10) is limited by the limit plate (16).

7. The instrument mounting bracket according to claim 1, characterized in that: The delivery pipe (1) is cylindrical and made of stainless steel.

8. The instrument mounting bracket according to claim 7, characterized in that: The outer structure of the supporting shell (3) is cylindrical and is made of stainless steel.

9. The instrument mounting bracket according to claim 8, characterized in that: The mounting tube (4) is a cylinder made of stainless steel, the fixing slot (11) is a rectangular structure, the outer fixing frame (6) is a circular ring, and the sealing frame (7) is a circular ring.

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