Universal fixing device for pressure sensor

Abstract

The utility model relates to the technical field of fixing devices, and discloses a universal fixing device of a pressure sensor, which comprises an infusion support, a fixing plate is arranged on the outer wall of the infusion support, a clamping ring is fixedly assembled on the outer wall of the fixing plate, an L-shaped plate is movably sleeved in an inner cavity of the fixing plate, a pull rod is fixedly assembled on the outer wall of the L-shaped plate, and a pressure sensor is arranged on the pull rod. And a fixed bin is fixedly assembled on the outer wall of the fixed plate, and a movable rod is movably connected to an inner cavity of the fixed bin in a sleeving mode. According to the universal fixing device of the pressure sensor, through the arrangement of the fixing plate and the L-shaped plate arranged on the outer wall of the fixing plate, the L-shaped plate is pulled, the movable rod is made to retract into the inner cavity of the fixing bin, when pulling of the L-shaped plate is stopped, the outer wall of the movable rod enters the inner cavity of the L-shaped plate, and locking of the L-shaped plate is achieved; therefore, the sensor body is fixed, and a medical adhesive tape is prevented from being used for fixing the sensor body.

Description

Technical Field

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

[0002] Arterial pressure sensor, arterial blood pressure monitoring is a method of placing an arterial catheter into a peripheral artery, connecting it to a pressure sensor, and using a monitor to continuously measure blood pressure. It can directly, promptly, accurately, and continuously monitor changes in arterial blood pressure, directly obtain the physiological parameter of blood pressure, and provide an objective basis for clinical diagnosis, treatment, and prognosis of diseases.

[0003] Traditional arterial pressure sensors lack a fixing device for the pressure sensor when in use. After puncture and access to the arterial pressure sensor, the pressure sensor is often fixed using medical tape, so that the pressure sensor is fixed on the infusion stand. When using medical tape for fixing, due to the limited adhesive fixing effect of the medical tape, the pressure sensor cannot be fixed well, which affects subsequent use. Utility Model Content

[0004] In view of the shortcomings of the existing technology, the present invention provides a universal fixing device for a pressure sensor, which has the advantages of good fixing effect and easy use, and solves the problems raised by the above-mentioned background technology.

[0005] The utility model provides the following technical solution: a universal fixing device for a pressure sensor, comprising an infusion stand, wherein a fixing plate is installed on the outer wall of the infusion stand, a retaining ring is fixedly assembled on the outer wall of the fixing plate, an L-shaped plate is movably sleeved on the inner cavity of the fixing plate, a pull rod is fixedly assembled on the outer wall of the L-shaped plate, a fixing bin is fixedly assembled on the outer wall of the fixing plate, a movable rod is movably sleeved on the inner cavity of the fixing bin, a driving spring is installed on the inner cavity of the fixing bin, a push rod is fixedly assembled on the outer wall of the movable rod, and a sensor body is installed on the outer wall of the fixing plate.

[0006] As a preferred technical solution of the present invention: a movable groove is provided on the outer wall of the fixed plate, and the shape of the inner wall of the movable groove matches the shape and size of the outer wall of the L-shaped plate.

[0007] As a preferred technical solution of the present invention: both ends of the outer wall of the driving spring are respectively connected to the outer wall of the movable rod and the inner wall of the fixed bin, and the driving spring is made of high carbon steel.

[0008] As a preferred technical solution of the present invention: a sliding groove is provided on the outer wall of the fixed bin, and the distance between the inner walls of the sliding groove is equal to the diameter of the outer wall of the push rod.

[0009] As an optimal technical solution of the present invention: the outer wall of the movable rod away from the push rod end is an oblique section, the outer wall of the L-shaped plate is provided with a limiting groove, and the inner wall diameter of the limiting groove matches the outer wall diameter of the movable rod.

[0010] As a preferred technical solution of the present invention: the clamping ring is made of ABS plastic, and a rubber anti-slip pad is installed on the inner wall of the clamping ring.

[0011] Compared with the prior art, the present invention has the following beneficial effects:

[0012] 1. The universal fixing device of the pressure sensor is provided with a fixing plate and an L-shaped plate provided on the outer wall of the fixing plate. By pulling the L-shaped plate, the movable rod is retracted into the inner cavity of the fixing chamber. When the L-shaped plate is stopped, the outer wall of the movable rod enters the inner cavity of the L-shaped plate, thereby locking the L-shaped plate, thereby fixing the sensor body and avoiding the use of medical tape to fix the sensor body.

[0013] 2. The universal fixing device of the pressure sensor uses a push rod provided on the outer wall of the movable rod. When the sensor body needs to be released, it is only necessary to push the push rod. Under the action of the push rod, the movable rod is retracted into the inner cavity of the fixing chamber. At this time, the movable rod can be released very conveniently, so that the L-shaped plate leaves the outer wall of the sensor body, and through the clamping ring provided on the outer wall of the fixing plate, the fixing plate can be installed on the infusion stand under the action of the clamping ring, making the use of the equipment very convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 This is a schematic diagram of the structure of the sensor body of the utility model;

[0016] Figure 3 This is a schematic diagram of the fixed plate structure of the utility model;

[0017] Figure 4 This is a schematic diagram of the L-shaped plate structure of the utility model;

[0018] Figure 5 This is a schematic diagram of the fixed warehouse structure of the utility model.

[0019] In the figure: 1. IV stand; 2. Fixed plate; 3. Snap ring; 4. L-shaped plate; 5. Pull rod; 6. Fixed compartment; 7. Movable rod; 8. Drive spring; 9. Push rod; 10. Sensor body. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] See also Figure 1 - Figure 5 A universal fixing device for a pressure sensor includes an infusion stand 1, a fixing plate 2 is installed on the outer wall of the infusion stand 1, a clamping ring 3 is fixedly assembled on the outer wall of the fixing plate 2, an L-shaped plate 4 is movably sleeved on the inner cavity of the fixing plate 2, a pull rod 5 is fixedly assembled on the outer wall of the L-shaped plate 4, a fixing bin 6 is fixedly assembled on the outer wall of the fixing plate 2, a movable rod 7 is movably sleeved on the inner cavity of the fixing bin 6, a driving spring 8 is installed on the inner cavity of the fixing bin 6, a push rod 9 is fixedly assembled on the outer wall of the movable rod 7, and a sensor body 10 is installed on the outer wall of the fixing plate 2.

[0022] By installing the L-shaped plate 4 on the outer wall of the fixing plate 2 and the pull rod 5 on the outer wall of the L-shaped plate 4, when the fixing plate 2 is needed to fix the sensor body 10, it is only necessary to pull the pull rod 5. Under the action of the pull rod 5, the outer wall of the L-shaped plate 4 is fitted onto the outer wall of the sensor body 10, and the position of the L-shaped plate 4 is restricted under the action of the driving spring 8 and the movable rod 7, so that the position of the L-shaped plate 4 will not be offset, thereby achieving stable fixation of the sensor body 10.

[0023] In a preferred embodiment, a movable groove is formed on the outer wall of the fixed plate 2 , and the shape of the inner wall of the movable groove matches the shape and size of the outer wall of the L-shaped plate 4 .

[0024] By opening a movable groove on the outer wall of the fixed plate 2 and pulling the pull rod 5, the outer wall of the L-shaped plate 4 is fit with the outer wall of the sensor body 10 under the action of the pull rod 5, and the position of the outer wall of the L-shaped plate 4 is restricted under the action of the movable rod 7 and the drive spring 8, so that the position of the L-shaped plate 4 is fixed, thereby fixing the sensor body 10.

[0025] In a preferred embodiment, two ends of the outer wall of the driving spring 8 are respectively connected to the outer wall of the movable rod 7 and the inner wall of the fixed compartment 6, and the driving spring 8 is made of high carbon steel.

[0026] By arranging the driving spring 8 and the movable rod 7 in the inner cavity of the fixed bin 6, the movable rod 7 can enter the inner cavity of the L-shaped plate 4 under the action of the driving spring 8, thereby locking the position of the L-shaped plate 4. When the sensor body 10 needs to be released, the push rod 9 is pushed, and the movable rod 7 is retracted into the inner cavity of the fixed bin 6 under the action of the push rod 9, and the driving spring 8 is compressed, so that the lock of the L-shaped plate 4 can be released to realize the release of the sensor body 10.

[0027] In a preferred embodiment, a sliding groove is provided on the outer wall of the fixed bin 6 , and the distance between the inner walls of the sliding groove is equal to the diameter of the outer wall of the push rod 9 .

[0028] Through the sliding groove opened on the outer wall of the fixed bin 6, when the movable rod 7 moves back and forth in the inner cavity of the fixed bin 6, the outer wall of the push rod 9 can move back and forth in the inner cavity of the sliding groove, thereby pushing the movable rod 7 so that the movable rod 7 can move out of the inner cavity of the L-shaped plate 4.

[0029] In a preferred embodiment, the outer wall of the movable rod 7 away from the push rod 9 is beveled, the outer wall of the L-shaped plate 4 is provided with a limiting groove, and the inner wall diameter of the limiting groove matches the outer wall diameter of the movable rod 7.

[0030] By opening a limiting groove on the outer wall of the L-shaped plate 4, the outer wall of the movable rod 7 can enter the limiting groove. When the sensor body 10 is fixed, the pull rod 5 can be directly pulled toward the side close to the retaining ring 3, so that the outer wall of the L-shaped plate 4 moves in the inner cavity of the fixed plate 2. Since the outer wall of the movable rod 7 presents an oblique surface, the movable rod 7 can be retracted into the inner cavity of the fixed chamber 6 under the action of the outer wall of the L-shaped plate 4, and will not cause any obstruction to the movement of the L-shaped plate 4.

[0031] In a preferred embodiment, the clamping ring 3 is made of ABS plastic, and a rubber anti-slip pad is installed on the inner wall of the clamping ring 3 .

[0032] By providing a snap ring 3 on the outer wall of the fixing plate 2 and a rubber anti-slip pad on the inner wall of the snap ring 3, when the fixing plate 2 needs to be installed on the outer wall of the infusion stand 1, it is only necessary to press the fixing plate 2 to deform the outer wall of the snap ring 3, so that the outer wall of the snap ring 3 can be clamped on the outer wall of the infusion stand 1, thereby fixing the fixing plate 2 to the outer wall of the infusion stand 1.

[0033] Working principle: During the use of the above-mentioned device, when the sensor body 10 needs to be fixed, the outer wall of the fixing plate 2 is fitted with the outer wall of the sensor body 10, and the outer wall of the L-shaped plate 4 is overlapped with the outer wall of the sensor body 10. At this time, the pull rod 5 can be pulled, and the L-shaped plate 4 is driven to move under the action of the pull rod 5. At this time, since the outer wall of the movable rod 7 is in the shape of a bevel, the pull rod 5 can be smoothly pulled so that the outer wall of the L-shaped plate 4 is tightly attached to the sensor body 10, thereby achieving the fixation of the sensor body 10. After pulling the L-shaped plate 4 to achieve the fixation of the sensor body 10, the outer wall of the movable rod 7 will enter the limiting hole on the outer wall of the L-shaped plate 4. Under the locking action of the outer wall of the movable rod 7, the outer wall of the L-shaped plate 4 cannot move in the direction close to the sensor body 10, thereby achieving the locking of the sensor body 10, so that the sensor body 10 can be fixed to the outer wall of the fixing plate 2, and fixed to the outer wall of the infusion stand 1 under the action of the snap ring 3 on the outer wall of the fixing plate 2.

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

Claims

1. A universal fixing device for a pressure sensor, comprising an infusion stand (1), characterized in that: The outer wall of the infusion stand (1) is installed with a fixed plate (2), the outer wall of the fixed plate (2) is fixedly equipped with a clamping ring (3), the inner cavity of the fixed plate (2) is movably sleeved with an L-shaped plate (4), the outer wall of the L-shaped plate (4) is fixedly equipped with a pull rod (5), the outer wall of the fixed plate (2) is fixedly equipped with a fixed bin (6), the inner cavity of the fixed bin (6) is movably sleeved with a movable rod (7), the inner cavity of the fixed bin (6) is installed with a driving spring (8), the outer wall of the movable rod (7) is fixedly equipped with a push rod (9), and the outer wall of the fixed plate (2) is installed with a sensor body (10).

2. The universal fixing device for a pressure sensor according to claim 1, characterized in that: The outer wall of the fixed plate (2) is provided with a movable groove, and the shape of the inner wall of the movable groove matches the shape and size of the outer wall of the L-shaped plate (4).

3. The universal fixing device for a pressure sensor according to claim 1, characterized in that: The two ends of the outer wall of the driving spring (8) are respectively connected to the outer wall of the movable rod (7) and the inner wall of the fixed bin (6), and the driving spring (8) is made of high carbon steel.

4. The universal fixing device for a pressure sensor according to claim 1, characterized in that: The outer wall of the fixed bin (6) is provided with a sliding groove, and the distance between the inner walls of the sliding groove is equal to the diameter of the outer wall of the push rod (9).

5. The universal fixing device for a pressure sensor according to claim 1, characterized in that: The outer wall of the movable rod (7) away from the push rod (9) is in a beveled section, and the outer wall of the L-shaped plate (4) is provided with a limiting groove, and the inner wall diameter of the limiting groove matches the outer wall diameter of the movable rod (7).

6. The universal fixing device for a pressure sensor according to claim 1, characterized in that: The clamping ring (3) is made of ABS plastic, and a rubber anti-slip pad is installed on the inner wall of the clamping ring (3).

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