Fixing device for sensor

Abstract

The utility model relates to the technical field of sensor installation, in particular to a fixing device for a sensor, which comprises a bottom plate, two supporting blocks, a driving piece and a fixing mechanism, the two supporting blocks are respectively arranged on two opposite sides of the bottom plate in a sliding mode, fixing belts are arranged on the two supporting blocks, and fixing spaces are formed between the fixing belts and the supporting blocks. The driving piece is arranged on the bottom plate and connected with the two supporting blocks, the driving piece is used for adjusting the distance between the two supporting blocks, the fixing mechanism is fixedly arranged on the bottom plate and located between the two supporting blocks, the fixing mechanism comprises a fixing block fixedly arranged on the bottom plate and two clamping pieces, a mounting cavity is formed in the fixing block, and an opening is formed in the top of the fixing block; the two clamping pieces are connected with the fixing block, and the sensor can be fixed in the installation cavity through the two clamping pieces. The problems that in the prior art, a sensor is not firmly fixed, and arms of patients with different body types are inconvenient to wear are solved.

Description

Technical Field

[0001] The utility model relates to the technical field of sensor installation, in particular to a fixing device for a sensor. Background Art

[0002] Medical pressure sensors are special medical pressure sensors, that is, special medical sensors that can sense pressure and convert it into a usable output signal. Because commonly used pressure sensors are mainly made using the piezoelectric effect, pressure sensors can also be called piezoelectric sensors. They are generally used to monitor various pressures of the human body, such as invasive blood pressure, central venous pressure, pulmonary artery pressure, left coronary artery pressure, etc.

[0003] For example, in the patent document with the existing patent application number 202122383181.9, a medical pressure sensor fixing device is disclosed, and specifically discloses an arm clamp and a sensor clamp, the arm clamp includes two coaxially arranged first clamps, and the two first clamps are fixedly connected by a connecting rod, and each first clamp is provided with a first notch in the same angle direction; the sensor clamp includes two second clamps, and the outer arc surfaces of the two second clamps are respectively fixedly connected to the outer arc surface of a first clamp, the two second clamps are coaxially arranged, and each second clamp is provided with a second notch; through the above scheme, although a variety of different types of sensors can be fixed, due to the different lengths and thicknesses of the arms of patients of different body shapes, if the fixing device is inconvenient to adjust, it will cause discomfort to the user, making the sensor not firmly fixed, and the sensor is prone to reduced stability in contact with the user's skin, affecting the accuracy of the detection data. Utility Model Content

[0004] The purpose of the utility model is to overcome the above technical deficiencies and provide a sensor fixing device to solve the problems in the prior art that the sensor is not firmly fixed and is not convenient to wear on the arms of patients with different body shapes.

[0005] In order to achieve the above technical purpose, the utility model adopts the following technical solutions:

[0006] The utility model provides a fixing device for a sensor, comprising a base plate, two support blocks, a driving member and a fixing mechanism, wherein the two support blocks are respectively slidably arranged on opposite sides of the base plate, and the two support blocks are provided with fixing belts, a fixed space is formed between the fixing belts and the support blocks, the driving member is arranged on the base plate and connected to the two support blocks, the driving member is used to adjust the distance between the two support blocks, the fixing mechanism is fixedly arranged on the base plate and located between the two support blocks, the fixing mechanism comprises a fixing block fixedly arranged on the base plate, and two clamping members, the fixing block is provided with an installation cavity and has a top opening, the two clamping members are connected to the fixing block, and the sensor can be fixed in the installation cavity by the two clamping members.

[0007] In one embodiment, two slide grooves are provided on the bottom plate, and the bottoms of the two support blocks are provided with sliders slidably arranged in the slide grooves;

[0008] The driving member includes a bidirectional screw rod rotatably disposed in the base plate, the bidirectional screw rod includes two threaded parts with opposite thread directions, and the two sliding blocks are respectively threadedly rotatably connected to the two threaded parts.

[0009] In one embodiment, the driving member further includes a rotating handwheel fixedly mounted on one end of the bidirectional screw rod.

[0010] In one embodiment, connecting rings are provided on opposite sides of the top of the support block, and the fixing belt can be connected between the two connecting rings.

[0011] In one embodiment, one end of the fixing belt is fixedly connected to one of the connecting rings, and the other end of the fixing belt is provided with a Velcro.

[0012] In one embodiment, arc-shaped grooves are disposed on the tops of the two supporting blocks and the fixing block.

[0013] In one embodiment, the clamping member includes a locking rod threadably connected to the fixing block, one end of the locking rod extends into the installation cavity, and a buffer block is provided at one end of the locking rod.

[0014] In one embodiment, the clamping member may further include an adjusting block fixed to the other end of the locking rod.

[0015] In one embodiment, the fixing mechanism further includes two pressing plates, and the two pressing plates are both arranged in the installation cavity via an elastic member, and the sensor can be fixed between the two pressing plates.

[0016] In one embodiment, the sensor is a medical sensor.

[0017] Compared with the prior art, the utility model provides a sensor fixing device, which is slidably arranged on opposite sides of a base plate by two support blocks, and both support blocks are provided with fixing belts, a fixed space is formed between the fixing belts and the support blocks, a driving member is arranged on the base plate and connected with the two support blocks, a fixing mechanism is fixedly arranged on the base plate and located between the two support blocks, the fixing mechanism includes a fixing block fixedly arranged on the base plate, and two clamping members, a mounting cavity is arranged in the fixing block and has a top opening, the two clamping members are both connected to the fixing block, and the two clamping members can effectively fix the sensor in the mounting cavity, when the user's arm is placed on the fixing block and contacts the sensor, the distance between the two support blocks can be adjusted by the driving member according to the arm length of users of different body shapes, and the user's arm can be fixed in the two fixed spaces, thereby effectively ensuring the stability of the fixation of the sensor and the user's arm. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of a fixing device for a sensor provided by the utility model;

[0019] Figure 2 It is a top view of a fixing device for a sensor of the utility model;

[0020] Figure 3 yes Figure 2 A is an enlarged schematic diagram;

[0021] Figure 4 It is a partial cross-sectional view of a fixing device for a sensor of the utility model. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical solution and advantages of the utility model more clear, the utility model is further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the utility model and are not used to limit the utility model.

[0023] See also Figures 1 to 4 The utility model provides a fixing device for a sensor. The fixing device can be adjusted according to the arm length of users of different body shapes, and the fixing device is fixedly connected to the user's arm, thereby improving the stability of the contact between the sensor and the user's skin.

[0024] In this specific embodiment, a fixing device for a sensor includes a base plate 1, two support blocks 2, a driving member 3 and a fixing mechanism 4, the two support blocks 2 are respectively slidably arranged on opposite sides of the base plate 1, and the two support blocks 2 are provided with fixing belts 5, a fixed space is formed between the fixing belts 5 and the support blocks 2, the driving member 3 is arranged on the base plate 1 and connected to the two support blocks 2, the driving member 3 is used to adjust the distance between the two support blocks 2, the fixing mechanism 4 is fixed on the base plate 1 and located between the two support blocks 2, the fixing mechanism 4 includes a fixing block 41 fixed on the base plate 1, and two clamping members 42, the fixing block 41 is provided with an installation cavity 411 and has a top opening, the two clamping members 42 are connected to the fixing block 41, and the sensor can be fixed in the installation cavity 411 by the two clamping members 42.

[0025] During actual use, the distance between the two support blocks 2 is adjusted by the driving member 3 according to the user's arm length. The user places his arm on the two support blocks 2 and the fixed block 41, and fixes the arm in a fixed space by the fixing belt 5 to ensure that the arm is in contact with the sensor in the fixed block 41.

[0026] It should be noted that the sensor is a medical sensor. Specifically, the medical sensor may be a blood pressure sensor, a piezoelectric pulse sensor, an infrared pulse sensor, or the like.

[0027] In this specific embodiment, two slide grooves 11 are provided on the base plate 1, and the bottoms of the two support blocks 2 are provided with sliders 21 slidably arranged in the slide grooves 11; the driving member 3 includes a bidirectional screw rod 31 rotatably arranged in the base plate 1, and the bidirectional screw rod 31 includes two threaded parts with opposite thread directions, and the two sliders 21 are respectively threadedly rotatably connected with the two threaded parts.

[0028] On the basis of the above scheme, the driving member 3 further includes a rotating hand wheel 32 fixed to one end of the bidirectional screw rod 31. Specifically, by rotating the bidirectional screw rod 31, the two sliders 21 can be driven to slide along the slide groove 11, so that the two support blocks 2 are brought closer or farther away from each other, and the distance between the two support blocks 2 can be adjusted to suit the arm lengths of users of different body shapes.

[0029] In this specific embodiment, connecting rings 22 are provided on opposite sides of the top of the support block 2, and the fixing belt 5 can be connected between the two connecting rings 22. Specifically, connecting holes are provided in the connecting rings 22. In one embodiment, the fixing belt 5 is passed through the two connecting holes, and the opposite ends of the fixing belt can be tied and fixed.

[0030] In this specific embodiment, one end of the fixing belt 5 is fixedly connected to one of the connecting rings 22, and the other end of the fixing belt 5 is provided with a Velcro, which includes a fleece surface and a hook surface. After the other end of the fixing belt 5 passes through the connecting hole, the fleece surface and the hook surface can be matched.

[0031] On the basis of the above scheme, in order to improve the comfort of the user's arms when placing them on the two support blocks 2 and the fixed block 41, according to ergonomic design, arc-shaped grooves are provided on the tops of the two support blocks 2 and the fixed block 41; further, sponge pads are provided in the arc-shaped grooves of the two support blocks 2.

[0032] In this specific embodiment, the clamping member 42 includes a locking rod 421 threadedly connected to the fixing block 41 , one end of the locking rod 421 extends into the installation cavity 411 , and a buffer block 422 is provided at one end of the locking rod 421 .

[0033] It should be noted that the buffer block 422 is made of elastic rubber material, and the sensor can be fixed in the installation cavity by rotating the two locking rods 421 so that the two buffer blocks 422 are in conflict with the sensor. Specifically, the clamping member 42 may also include an adjustment block 423 fixed to the other end of the locking rod 421, wherein the adjustment block 423 may be a hexagonal nut.

[0034] On the basis of the above scheme, in order to improve the installation strength of the sensor, specifically, the fixing mechanism 4 also includes two pressure plates 43, and the two pressure plates 43 are spaced apart in the installation cavity 411 via elastic members 44, and the sensor can be fixed between the two pressure plates 43.

[0035] The beneficial effects are:

[0036] Compared with the prior art, the utility model provides a sensor fixing device, which is slidably arranged on opposite sides of a base plate by two support blocks, and both support blocks are provided with fixing belts, a fixed space is formed between the fixing belts and the support blocks, a driving member is arranged on the base plate and connected with the two support blocks, a fixing mechanism is fixedly arranged on the base plate and located between the two support blocks, the fixing mechanism includes a fixing block fixedly arranged on the base plate, and two clamping members, a mounting cavity is arranged in the fixing block and has a top opening, the two clamping members are both connected to the fixing block, and the two clamping members can effectively fix the sensor in the mounting cavity, when the user's arm is placed on the fixing block and contacts the sensor, the distance between the two support blocks can be adjusted by the driving member according to the arm length of users of different body shapes, and the user's arm can be fixed in the two fixed spaces, thereby effectively ensuring the stability of the fixation of the sensor and the user's arm.

[0037] The specific implementation methods of the utility model described above do not constitute a limitation on the protection scope of the utility model. Any other corresponding changes and modifications made according to the technical concept of the utility model should be included in the protection scope of the claims of the utility model.

Claims

1. A fixing device for a sensor, comprising a base plate, two support blocks, a driving member and a fixing mechanism, wherein the two support blocks are slidably arranged on opposite sides of the base plate, and both support blocks are provided with fixing belts, and a fixed space is formed between the fixing belts and the support blocks, characterized in that: The driving member is arranged on the base plate and connected to the two support blocks. The driving member is used to adjust the distance between the two support blocks. The fixing mechanism is fixed on the base plate and located between the two support blocks. The fixing mechanism includes a fixing block fixed on the base plate and two clamping members. The fixing block is provided with an installation cavity and has a top opening. Both the clamping members are connected to the fixing block. The sensor can be fixed in the installation cavity by the two clamping members.

2. A fixing device for a sensor according to claim 1, characterized in that: Two slide grooves are provided on the bottom plate, and the bottoms of the two support blocks are provided with sliders that slide in the slide grooves; The driving member includes a bidirectional screw rod rotatably disposed in the base plate, the bidirectional screw rod includes two threaded parts with opposite thread directions, and the two sliding blocks are respectively threadedly rotatably connected to the two threaded parts.

3. A sensor fixing device according to claim 2, characterized in that: The driving member also includes a rotating hand wheel fixedly arranged at one end of the bidirectional screw rod.

4. A sensor fixing device according to claim 1, characterized in that: Connecting rings are arranged on opposite sides of the top of the supporting block, and the fixing belt can be connected between the two connecting rings.

5. A sensor fixing device according to claim 4, characterized in that: One end of the fixing belt is fixedly connected to one of the connecting rings, and the other end of the fixing belt is provided with a Velcro.

6. A sensor fixing device according to claim 1, characterized in that: The tops of the two supporting blocks and the fixing block are both provided with arc-shaped grooves.

7. A sensor fixing device according to claim 1, characterized in that: The clamping member comprises a locking rod which is threadably connected to the fixing block, one end of the locking rod extends into the installation cavity, and a buffer block is arranged at one end of the locking rod.

8. A sensor fixing device according to claim 7, characterized in that: The clamping member may further include an adjusting block fixedly arranged at the other end of the locking rod.

9. A sensor fixing device according to claim 1, characterized in that: The fixing mechanism further comprises two pressing plates, both of which are arranged in the installation cavity via elastic members, and the sensor can be fixed between the two pressing plates.

10. A sensor fixing device according to claim 1, characterized in that: The sensor is a medical sensor.

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