Pressure sensor

Abstract

The utility model discloses a pressure sensor, which relates to the technical field of pressure sensors, and adopts the technical scheme that the pressure sensor comprises a pressure sensor body, connecting blocks are fixedly connected to the front side and the rear side of the pressure sensor body, slots are formed in the two connecting blocks, and protective shells are arranged on the front side and the rear side of the pressure sensor body. The pressure sensor body is provided with two protective shells, the two protective shells are provided with through grooves, the two connecting blocks penetrate through the two through grooves respectively, the two sides of the pressure sensor body are provided with protective assemblies, and the two protective assemblies are arranged on the outer sides of the two protective shells. According to the pressure sensor, the pressure sensor body can be protected through the protection assembly, meanwhile, threaded connection is not needed, in this way, the situation of rusting or thread slipping can be well avoided, the pressure sensor body can be effectively fixed through cooperation of the protection assembly and the fixing assembly, and the whole device is easy and convenient to operate.

Description

Technical Field

[0001] The utility model relates to the technical field of pressure sensors, in particular to a pressure sensor. Background Art

[0002] A pressure sensor is a device that can sense pressure signals and convert them into usable output electrical signals according to certain rules. Pressure sensors are the most commonly used sensors in industrial practice and are widely used in various industrial automatic control environments, involving water conservancy and hydropower, railway transportation, intelligent buildings, production automatic control, aerospace, military industry, petrochemicals, oil wells, electric power, ships, machine tools, pipelines and many other industries.

[0003] During long-term use, it is found that the existing pressure sensors have a threaded connection between the sensor body and the outer shell, and the threads will rust or strip after long-term use, making it difficult to disassemble the sensor body, resulting in a certain amount of additional workload. Summary of the Invention

[0004] To this end, the present invention provides a pressure sensor that solves the above-mentioned existing problems through the coordination of various structures.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a pressure sensor comprising a pressure sensor body, wherein the front and rear sides of the pressure sensor body are fixedly connected to connection blocks, each of the two connection blocks is provided with a slot, and the front and rear sides of the pressure sensor body are provided with a protective shell;

[0006] Both protective shells are provided with through slots, and the two connecting blocks pass through the two through slots respectively. Both sides of the pressure sensor body are provided with protective components, and the two protective components are arranged on the outside of the two protective shells. The two protective shells are provided with fixing components on the opposite sides.

[0007] Preferably, the protection assembly includes two fixing frames, a round rod is fixedly provided inside the two fixing frames, and two sliding blocks are sleeved on the outer side of the round rod.

[0008] Preferably, the two sliders are slidably connected to the fixed frame, and the two sliders are slidably connected to the round rod. A spring is provided between the two sliders, and a set of the springs is provided on the outside of the round rod.

[0009] Preferably, one end of the spring is fixedly connected to the opposite sides of the two sliders, one side of the two sliders is fixedly connected to a connecting plate, and one side of the two connecting plates is fixedly connected to one side of the two protective shells.

[0010] Preferably, two pressing plates are provided between the two fixing frames, and the tops and bottoms of the two pressing plates are fixedly connected to the opposite sides of the two corresponding upper and lower sliding blocks respectively.

[0011] Preferably, the fixing assembly includes a connecting frame, a connecting groove is provided on the front side of the connecting frame, a push block is embedded in the connecting frame, the push block is slidably connected to the connecting frame, and a circular groove is provided on the bottom of the connecting frame.

[0012] Preferably, a second spring is fixedly connected to the bottom of the push block, one end of the second spring is fixedly connected to the inner wall of the connection frame, and an insertion rod is fixedly connected to the bottom of the push block.

[0013] Preferably, the insertion rod passes through the circular groove and the slot, the insertion rod is slidably connected to the connecting frame and the connecting block, the front side of the push block is fixedly connected to a moving block, and the moving block passes through the connecting groove and is slidably connected to the connecting frame.

[0014] Preferably, two mounting plates are provided on the back sides of the two protective shells, mounting holes are opened on the two mounting plates, two support rods are fixedly connected to the two mounting plates, and one end of the two support rods is fixedly connected to the two adjacent fixing frames on the left and right.

[0015] The beneficial effects of the utility model are:

[0016] The utility model provides a protective component and a fixing component. The protective component can not only protect the pressure sensor body, but also eliminate the need for threaded connection, thus effectively avoiding rust or thread slippage. The protective component can be used in conjunction with the fixing component to effectively fix the pressure sensor body, and the entire device is simple and convenient to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the overall structure provided by the utility model;

[0018] Figure 2 A three-dimensional diagram of the protective shell provided by the present invention;

[0019] Figure 3 A three-dimensional diagram of the connection frame provided by the present utility model;

[0020] Figure 4 A three-dimensional diagram of the connecting block provided by the utility model;

[0021] In the figure: 1 pressure sensor body, 2 connecting block, 3 slot, 4 protective shell, 5 through slot, 6 round rod, 7 fixing frame, 8 spring 1, 9 slider, 10 connecting plate, 11 pressure plate, 12 connecting frame, 13 push block, 14 insertion rod, 15 spring 2, 16 mounting plate. DETAILED DESCRIPTION

[0022] The preferred embodiments of the present invention are described below in conjunction with the accompanying drawings. It should be understood that the preferred embodiments described herein are only used to illustrate and explain the present invention and are not used to limit the present invention.

[0023] Refer to the attached Figure 1 - Attachment Figure 4 The utility model provides a pressure sensor, comprising a pressure sensor body 1, a connection block 2 fixedly connected to the front and rear sides of the pressure sensor body 1, a slot 3 being provided on each of the two connection blocks 2, and a protective shell 4 being provided on the front and rear sides of the pressure sensor body 1;

[0024] The two protective shells 4 are each provided with a through slot 5, and the two connecting blocks 2 pass through the two through slots 5 respectively. Protective components are provided on both sides of the pressure sensor body 1. The two protective components are arranged on the outside of the two protective shells 4. The two protective shells 4 are provided with fixing components on the opposite sides.

[0025] In this embodiment, the provision of the protection component in the present invention can provide good protection for the pressure sensor body 1, and at the same time, cooperate with the fixing component to effectively and stably fix it;

[0026] Among them, in order to achieve the purpose of protecting the pressure sensor, the present device is implemented by the following technical solutions: the protection component includes two fixed frames 7, the inside of the two fixed frames 7 are fixedly provided with a round rod 6, the outside of the round rod 6 is provided with two sliders 9, the two sliders 9 are slidably connected to the fixed frame 7, the two sliders 9 are slidably connected to the round rod 6, a spring 8 is provided between the two sliders 9, the spring 8 is sleeved on the outside of the round rod 6, the two ends of the spring 8 are respectively fixedly connected to the opposite sides of the two sliders 9, one side of the two sliders 9 is fixedly connected to a connecting plate 10, one side of the two connecting plates 10 is respectively fixedly connected to one side of the two protective shells 4, two pressing plates 11 are provided between the two fixed frames 7, and the top and bottom of the two pressing plates 11 are respectively fixedly connected to the opposite sides of the two sliders 9 corresponding to the upper and lower sides;

[0027] Among them, in order to achieve the purpose of fixing the pressure sensor, the present device adopts the following technical solutions: the fixing component includes a connecting frame 12, a connecting groove is provided on the front side of the connecting frame 12, a push block 13 is embedded in the inside of the connecting frame 12, the push block 13 is slidably connected to the connecting frame 12, a circular groove is provided at the bottom of the connecting frame 12, a spring 2 15 is fixedly connected to the bottom of the push block 13, one end of the spring 2 15 is fixedly connected to the inner wall of the connecting frame 12, a plug rod 14 is fixedly connected to the bottom of the push block 13, the plug rod 14 passes through the circular groove and the slot 3, the plug rod 14 is slidably connected to the connecting frame 12 and the connecting block 2, a moving block is fixedly connected to the front side of the push block 13, the moving block passes through the connecting groove and is slidably connected to the connecting frame 12, two mounting plates 16 are provided on the back sides of the two protective shells 4, two mounting plates 16 are provided with mounting holes, two mounting plates 16 are fixedly connected to two support rods, and one end of the two support rods is fixedly connected to the two adjacent fixed frames 7 on the left and right.

[0028] The usage process of the present utility model is as follows: first, place the pressure sensor body 1 between the two protective shells 4, and then press the two pressure plates 11 together. The movement of the pressure plate 11 will move the slider 9. The movement of the slider 9 will squeeze the spring 1 8 and drive the connecting plate 10 to move. The movement of the connecting plate 10 will drive the protective shell 4 to move. When the two protective shells 4 are in contact, the two connecting blocks 2 will also pass through the through slot 5. Then pull the moving block, and the movement of the moving block will drive the push block 13 to move. The movement of the push block 13 will compress the spring 2 15. The movement of the push block 13 will also move the insertion rod 14. When the insertion rod 14 corresponds to the slot 3, release the moving block, and the spring 2 15 will also rebound, driving the push rod and the insertion rod 14 to move at the same time, and pushing the insertion rod 14 into the slot 3, thereby performing pressure sensor body 1.

[0029] The above description is merely a preferred embodiment of the present invention. Anyone skilled in the art may utilize the above-described technical solutions to modify the present invention or create equivalent technical solutions. Therefore, any simple modification or equivalent replacement based on the technical solutions of the present invention falls within the scope of protection claimed by the present invention.

Claims

1. A pressure sensor, comprising a pressure sensor body (1), characterized in that: The front and rear sides of the pressure sensor body (1) are both fixedly connected to a connecting block (2), and both connecting blocks (2) are provided with a slot (3). The front and rear sides of the pressure sensor body (1) are both provided with a protective shell (4); The two protective shells (4) are each provided with a through slot (5), the two connecting blocks (2) respectively pass through the two through slots (5), both sides of the pressure sensor body (1) are provided with protective components, the two protective components are arranged on the outside of the two protective shells (4), and the two protective shells (4) are each provided with a fixing component on the opposite sides thereof.

2. A pressure sensor according to claim 1, characterized in that: The protection assembly comprises two fixed frames (7), a round rod (6) is fixedly provided inside the two fixed frames (7), and two sliding blocks (9) are sleeved on the outside of the round rod (6).

3. A pressure sensor according to claim 2, characterized in that: The two sliders (9) are slidably connected to the fixed frame (7), and the two sliders (9) are slidably connected to the round rod (6). A spring (8) is provided between the two sliders (9), and the spring (8) is sleeved on the outside of the round rod (6).

4. A pressure sensor according to claim 3, characterized in that: The two ends of the spring (8) are fixedly connected to the opposite sides of the two sliders (9), one side of the two sliders (9) is fixedly connected to a connecting plate (10), and one side of the two connecting plates (10) is fixedly connected to one side of the two protective shells (4).

5. The pressure sensor according to claim 2, wherein: Two pressing plates (11) are provided between the two fixing frames (7), and the tops and bottoms of the two pressing plates (11) are fixedly connected to the opposite sides of the two corresponding upper and lower sliding blocks (9) respectively.

6. The pressure sensor according to claim 1, wherein: The fixing assembly comprises a connecting frame (12), a connecting groove is provided on the front side of the connecting frame (12), a push block (13) is embedded in the connecting frame (12), the push block (13) is slidably connected to the connecting frame (12), and a circular groove is provided on the bottom of the connecting frame (12).

7. The pressure sensor according to claim 6, characterized in that: The bottom of the push block (13) is fixedly connected to a second spring (15), one end of the second spring (15) is fixedly connected to the inner wall of the connection frame (12), and the bottom of the push block (13) is fixedly connected to an insertion rod (14).

8. The pressure sensor according to claim 7, characterized in that: The insertion rod (14) passes through the circular groove and the slot (3), and the insertion rod (14) is slidably connected to the connecting frame (12) and the connecting block (2). The front side of the push block (13) is fixedly connected to a moving block, and the moving block passes through the connecting groove and is slidably connected to the connecting frame (12).

9. The pressure sensor according to claim 1, wherein: Two mounting plates (16) are provided on opposite sides of the two protective shells (4), mounting holes are provided on the two mounting plates (16), two support rods are fixedly connected to the two mounting plates (16), and one end of the two support rods is fixedly connected to two adjacent fixing frames (7) on the left and right.

Images