Anti-break differential pressure transmitter

Abstract

The utility model relates to the technical field of differential pressure transmitters, in particular to an anti-break differential pressure transmitter, which comprises a differential pressure transmitter body. A fixing plate; the two buffer structures are used for supporting a pipeline connected to the differential pressure transmitter body through the two buffer structures; the device is fixed at a corresponding position through the fixing structure; according to the differential pressure transmitter, differential pressure transmitting work is carried out through the differential pressure transmitter body, after a pipeline is connected to the differential pressure transmitter body, the pipeline is supported through the U-shaped plate, when the pipeline is subjected to acting force, the sliding block slides in the sliding opening, meanwhile, the rotating rod rotates in the rotating hole, buffering of the acting force is achieved, and the pipeline is prevented from being damaged. The sliding block is limited by the two positioning plates, and the rotating rod is limited by the two limiting rods; according to the device, direct collision is avoided to counteract acting force borne by the pipeline, the acting force is buffered in a buffering mode, and damage to the device caused by long-term action of different forces in the using process is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of differential pressure transmitters, in particular to an anti-break differential pressure transmitter. Background Art

[0002] The differential pressure transmitter is used to prevent the medium in the pipeline from directly entering the transmitter. The pressure-sensitive diaphragm and the transmitter are connected by a capillary filled with fluid. The liquid level, flow rate and pressure of the liquid, gas or steam are measured by the differential pressure transmitter, and converted into signal data output. During the use of the differential pressure transmitter, it is necessary to connect pipelines to the input and output ends of the differential pressure transmitter. In order to avoid disconnection between the pipeline and the differential pressure transmitter, the application discloses an anti-disconnection differential pressure transmitter, which is used to provide a differential pressure transmitter that is not easily disconnected.

[0003] According to the application of patent publication number CN112378567A, an anti-break differential pressure transmitter is disclosed, including a transmitter, a connecting plate is provided on the top of the transmitter, a junction box is provided on the top of the connecting plate, a cable fixing block is provided in the middle of one side of the junction box, ear plates are provided on both sides of the cable fixing block, bolt holes are provided on the ear plates, fixing bolts are provided in the bolt holes, and the fixing bolts fix the ear plates and the junction box together, a wire cavity is provided at the center of the cable fixing block away from the junction box, a plurality of first extrusion blocks are provided on the inner wall of the wire cavity, a wiring tube is provided at the center of the wire cavity, and a cable tie is provided inside the wiring tube.

[0004] At the same time, according to the application disclosed in patent publication number CN110595675A, a break-proof differential pressure transmitter includes a transmitter body, a junction box and a cable fixing plate. The junction box is fixedly connected to the upper end of the transmitter body, and the rear side of the transmitter body is connected to the cable fixing plate by fixing bolts, and a wiring tube is fixed to the rear side of the fixing plate.

[0005] Although both of the above-mentioned two devices propose devices to prevent the pipeline from being broken by hard squeezing during the use of the differential pressure transmitter, both devices buffer the reaction force of the squeezing force to avoid breakage. During long-term use, the device may be damaged due to the uneven mutual force on the device for a long time. Utility Model Content

[0006] 1. Technical issues to be solved

[0007] In view of the deficiencies of the prior art, the utility model provides an anti-break differential pressure transmitter to solve the problem that the device proposed in the background technology may be damaged during the process of being subjected to hard extrusion force and reverse buffer force for a long time.

[0008] (II) Technical solution

[0009] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a kind of anti-break differential pressure transmitter, comprising: a differential pressure transmitter body; a fixed plate: the fixed plate is fixedly connected to the differential pressure transmitter body; a buffer structure: there are two buffer structures, both of which are installed on the fixed plate, the buffer structure comprises a sliding block, a fixed rod, a rotating rod and a U-shaped plate, the fixed plate is provided with two sliding openings, the sliding block is slidably connected in the corresponding sliding openings, the fixed rod is fixedly connected to the sliding block, a rotating hole is provided on the fixed rod, the rotating rod is rotatably connected in the rotating hole, the U-shaped plate is fixedly connected to the rotating rod, and the pipeline connected to the differential pressure transmitter body is supported by the two buffer structures; a fixed structure: the fixed structure is installed on the fixed plate, and the device is fixed in the corresponding position by the fixed structure.

[0010] By adopting the above technical solution, the two buffer structures and the fixed structure are installed through the fixed plate. After the fixed plate is fixed at the corresponding position by the fixed structure, the installation of the differential pressure transmitter body is realized. After the pipeline is connected to the differential pressure transmitter, the pipeline is supported by the buffer structure so that it can buffer the force applied to the pipeline. During use, when the pipeline is subjected to the force, the sliding block slides in the sliding port to make it follow the direction of the stress, and the rotating rod rotates in the rotating hole to buffer the force.

[0011] Optionally, the fixing structure includes a plurality of connecting plates and a plurality of bolts, the plurality of connecting plates are fixedly connected to the fixing plate, the plurality of connecting plates are provided with screw holes, and the plurality of bolts are respectively threadedly connected in the plurality of screw holes.

[0012] By adopting the above technical solution, multiple bolts are respectively installed through multiple screw holes opened on multiple connecting plates, and the device can be easily fixed at the corresponding position through the multiple bolts.

[0013] Optionally, the buffer structure also includes two limit rods, two limit grooves are provided on the fixed rod, the two limit rods are fixedly connected to the rotating rod, the two limit rods are respectively slidably connected in the two limit grooves, and the two limit rods are both provided with limit rings.

[0014] By adopting the above technical solution, when the rotating rod rotates in the rotating hole, the two limit rods slide in the two limit grooves respectively to limit the rotating rod, thereby preventing the rotating rod from falling off in the rotating hole. The limit rod is limited by the limit ring to reduce the shaking of the limit rod.

[0015] Optionally, an anti-slip pad is fixedly connected inside the U-shaped plate.

[0016] By adopting the above technical solution, the anti-slip pad is in contact with the pipeline, thereby reducing the shaking of the pipeline during use.

[0017] Optionally, two positioning plates are fixedly connected to the sliding block.

[0018] By adopting the above technical solution, the sliding block is limited by two positioning plates, so as to prevent the sliding block from falling off from the sliding opening during the sliding process.

[0019] Optionally, two adhesive plates are fixedly connected to the fixed plate.

[0020] By adopting the above technical solution, the stability of the fixing plate is improved by using two adhesive plates.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the utility model provides an anti-break differential pressure transmitter, which has the following beneficial effects:

[0023] The anti-break differential pressure transmitter performs differential pressure transmission through the differential pressure transmitter body. During use, the fixing plate is fixed at the corresponding position by multiple bolts to achieve installation of the differential pressure transmitter. After the pipeline is connected to the differential pressure transmitter body, the pipeline is supported by the U-shaped plate. When the pipeline is subjected to a force, the force causes the sliding block to slide in the sliding port, and at the same time, the rotating rod rotates in the rotating hole, thereby achieving buffering of the force. The sliding block is limited by two positioning plates and the rotating rod is limited by two limiting rods. The device avoids direct collision to offset the force applied to the pipeline, and achieves buffering of the force by a buffering method, thereby reducing damage caused by the long-term application of different forces to the device during use. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a schematic diagram of the three-dimensional structure of the main view of the utility model;

[0025] Figure 2 It is a three-dimensional structural schematic diagram of the utility model from the rear;

[0026] Figure 3 It is a schematic diagram of the three-dimensional structure of the utility model from the side;

[0027] Figure 4 For this utility model Figure 3 A schematic diagram of the three-dimensional structure enlarged at the A mark in the middle;

[0028] In the figure: 1. differential pressure transmitter body; 2. fixed plate; 3. sliding block; 4. fixed rod; 5. rotating rod; 6. U-shaped plate; 7. connecting plate; 8. bolt; 9. limit rod; 10. limit ring; 11. anti-slip pad; 12. positioning plate; 13. adhesive plate. DETAILED DESCRIPTION

[0029] 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. 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.

[0030] Example 1

[0031] See also Figures 1 to 4 , a differential pressure transmitter with anti-breakage comprises: a differential pressure transmitter body 1; a fixed plate 2: the fixed plate 2 is fixedly connected to the differential pressure transmitter body 1; a buffer structure: there are two buffer structures, both of which are installed on the fixed plate 2, the buffer structure comprises a sliding block 3, a fixed rod 4, a rotating rod 5 and a U-shaped plate 6, two sliding openings are provided on the fixed plate 2, the sliding block 3 is slidably connected in the corresponding sliding openings, the fixed rod 4 is fixedly connected to the sliding block 3, the fixed rod 4 is provided with a rotating hole, the rotating rod 5 is rotatably connected in the rotating hole, the U-shaped plate 6 is fixedly connected to the rotating rod 5, and the pipeline connected to the differential pressure transmitter body 1 is supported by the two buffer structures; a fixed structure: the fixed structure is installed on the fixed plate 2, the device is fixed in the corresponding position by the fixed structure, the two buffer structures and the fixed structure are installed by the fixed plate 2, and the fixed structure is fixed by the fixed structure After the fixing plate 2 is fixed at the corresponding position by the structure, the installation of the differential pressure transmitter body 1 is realized. After the pipeline is connected to the differential pressure transmitter, the pipeline is supported by the buffer structure so that it can buffer the force acting on the pipeline. During use, when the pipeline is subjected to the force, the sliding block 3 slides in the sliding mouth to make it follow the direction of the stress. At the same time, the rotating rod 5 rotates in the rotating hole to buffer the force. An anti-skid pad 11 is fixedly connected to the U-shaped plate 6, and the anti-skid pad 11 contacts the pipeline to reduce the shaking of the pipeline during use. Two positioning plates 12 are fixedly connected to the sliding block 3. The two positioning plates 12 are used to limit the sliding block 3 to prevent the sliding block 3 from falling off from the sliding mouth during sliding. Two adhesive plates 13 are fixedly connected to the fixed plate 2 to improve the stability of the fixing of the fixed plate 2.

[0032] See also Figures 1 to 3 The fixing structure includes multiple connecting plates 7 and multiple bolts 8. The multiple connecting plates 7 are fixedly connected to the fixing plate 2. Screw holes are opened on the multiple connecting plates 7. The multiple bolts 8 are respectively threadedly connected in the multiple screw holes. The multiple bolts 8 are respectively installed through the multiple screw holes opened on the multiple connecting plates 7. The multiple bolts 8 are used to fix the device in the corresponding position.

[0033] See also Figure 4The buffer structure also includes two limit rods 9. Two limit grooves are provided on the fixed rod 4. The two limit rods 9 are fixedly connected to the rotating rod 5. The two limit rods 9 are respectively slidably connected in the two limit grooves. The two limit rods 9 are both sleeved with limit rings 10. When the rotating rod 5 rotates in the rotating hole, the two limit rods 9 slide in the two limit grooves respectively to limit the rotating rod 5, so as to prevent the rotating rod 5 from falling off in the rotating hole. The limit rod 9 is limited by the limit ring 10 to reduce the shaking of the limit rod 9.

[0034] Example 2

[0035] See also Figures 1 to 4 , a differential pressure transmitter with anti-breakage comprises: a differential pressure transmitter body 1; a fixed plate 2: the fixed plate 2 is fixedly connected to the differential pressure transmitter body 1; a buffer structure: there are two buffer structures, both of which are installed on the fixed plate 2, the buffer structure comprises a sliding block 3, a fixed rod 4, a rotating rod 5 and a U-shaped plate 6, the fixed plate 2 is provided with two sliding openings, the sliding block 3 is slidably connected in the corresponding sliding openings, the fixed rod 4 is fixedly connected to the sliding block 3, the fixed rod 4 is provided with a rotating hole, the rotating rod 5 is rotatably connected in the rotating hole, the U-shaped plate 6 is fixedly connected to the rotating rod 5, and the pipeline connected to the differential pressure transmitter body 1 is supported by the two buffer structures, the buffer structure also comprises two limit rods 9, the fixed rod 4 is provided with two limit grooves, the two limit rods 9 are fixedly connected to the rotating rod 5, the two limit rods 9 are respectively slidably connected in the two limit grooves, and the two limit rods 9 are both sleeved with limit rings 10; fixed structure: the fixed structure is installed It is installed on the fixed plate 2, and the device is fixed in the corresponding position by the fixed structure. The fixed structure includes multiple connecting plates 7 and multiple bolts 8. The multiple connecting plates 7 are fixedly connected to the fixed plate 2. The multiple connecting plates 7 are provided with screw holes. The multiple bolts 8 are respectively threaded in the multiple screw holes. An anti-slip pad 11 is fixedly connected in the U-shaped plate 6. Two positioning plates 12 are fixedly connected to the sliding block 3. Two adhesive plates 13 are fixedly connected to the fixed plate 2. The two buffer structures and the fixed structure are installed through the fixed plate 2. After the fixed plate 2 is fixed in the corresponding position by the fixed structure, the installation of the differential pressure transmitter body 1 is realized. After the pipeline is connected to the differential pressure transmitter, the pipeline is supported by the buffer structure so that it can buffer the force applied to the pipeline. During use, when the pipeline is subjected to a force, the sliding block 3 slides in the sliding port to make it follow the direction of the stress, and the rotating rod 5 rotates in the rotating hole to buffer the force.

[0036] To sum up, the working principle and working process of the anti-break differential pressure transmitter are as follows: when in use, the device is moved to a suitable position, and the differential pressure transmission work is performed through the differential pressure transmitter body 1. During use, the fixing plate 2 is fixed at the corresponding position by multiple bolts 8, thereby realizing the installation of the differential pressure transmitter. After the pipeline is connected to the differential pressure transmitter body 1, the pipeline is supported by the U-shaped plate 6. When the pipeline is subjected to a force, the force causes the sliding block 3 to slide in the sliding port, and at the same time, the rotating rod 5 rotates in the rotating hole to achieve buffering of the force. The sliding block 3 is limited by two positioning plates 12 and the rotating rod 5 is limited by two limiting rods 9.

[0037] The above embodiments only express the specific implementation methods of the utility model, and the description is relatively specific and detailed, but it cannot be understood as limiting the scope of the patent of the utility model. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, which all belong to the protection scope of the utility model.

Claims

1. A break-proof differential pressure transmitter, characterized in that: include: Differential pressure transmitter body (1); Fixed plate (2): the fixed plate (2) is fixedly connected to the differential pressure transmitter body (1); Buffer structures: There are two buffer structures, both of which are mounted on the fixed plate (2). The buffer structures include a sliding block (3), a fixed rod (4), a rotating rod (5) and a U-shaped plate (6). The fixed plate (2) is provided with two sliding openings, the sliding block (3) is slidably connected in the corresponding sliding openings, the fixed rod (4) is fixedly connected to the sliding block (3), a rotating hole is provided on the fixed rod (4), the rotating rod (5) is rotatably connected in the rotating hole, and the U-shaped plate (6) is fixedly connected to the rotating rod (5). The pipeline connected to the differential pressure transmitter body (1) is supported by the two buffer structures; Fixed structure: The fixed structure is installed on the fixed plate (2), and the device is fixed at a corresponding position through the fixed structure.

2. The anti-break differential pressure transmitter according to claim 1, characterized in that: The fixing structure comprises a plurality of connecting plates (7) and a plurality of bolts (8); the plurality of connecting plates (7) are fixedly connected to the fixing plate (2); the plurality of connecting plates (7) are provided with screw holes; and the plurality of bolts (8) are respectively threadedly connected in the plurality of screw holes.

3. The anti-break differential pressure transmitter according to claim 1, characterized in that: The buffer structure also includes two limit rods (9), two limit grooves are provided on the fixed rod (4), the two limit rods (9) are fixedly connected to the rotating rod (5), the two limit rods (9) are respectively slidably connected in the two limit grooves, and the two limit rods (9) are both sleeved with limit rings (10).

4. The anti-break differential pressure transmitter according to claim 1, characterized in that: An anti-slip pad (11) is fixedly connected inside the U-shaped plate (6).

5. The anti-break differential pressure transmitter according to claim 1, characterized in that: Two positioning plates (12) are fixedly connected to the sliding block (3).

6. The anti-break differential pressure transmitter according to claim 1, characterized in that: Two adhesive plates (13) are fixedly connected to the fixed plate (2).

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