Air escape valve and sphygmomanometer
By designing the vent valve body and related structures, the problem of precise control of the pressure relief valve was solved, achieving uniform venting and reducing airflow noise, thus improving the accuracy and efficiency of blood pressure measurement.
Patent Information
- Application Number
- CN202520509558.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-21
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-03-21
AI Technical Summary
The pressure relief valves of existing mercury sphygmomanometers and electronic sphygmomanometers are difficult to control precisely, which affects measurement efficiency and accuracy, especially for inexperienced users.
Design a vent valve body that controls the venting speed by moving the position of the baffle. Combined with a structure including sound-absorbing cotton, spring, guide rod, and sealing ring, it achieves uniform venting and improves measurement accuracy.
It achieves precise control of the venting speed, reduces airflow noise interference, and improves the accuracy and efficiency of blood pressure measurement.
Smart Images

Figure CN223806662U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a deflation valve technical field, concretely is a deflation valve and sphygmomanometer. BACKGROUND
[0002] The pressure relief valve is usually a small valve device, in the mercury sphygmomanometer, the pressure relief valve is generally located on the rubber pipe between the air bag and the rubber ball, and is usually a small valve of rotation or pressing type, in the electronic sphygmomanometer, the pressure relief valve is generally integrated in the module where the air pump and control circuit are located, and can be a solenoid controlled valve, and its specific structure cannot be seen from outside generally, and it is connected with the air path system to realize pressure control.
[0003] The manual rotation or pressing type pressure relief valve used in the mercury sphygmomanometer and the like depends on the operation skill and experience of the user for the pressure relief speed, and it is difficult for the unskilled person to accurately control the force and amplitude of rotation or pressing, and the pressure relief speed can be too fast or too slow. For example, the relationship between the rotation angle of the rotation type pressure relief valve and the pressure relief speed is not intuitive, and the novice can hardly grasp it, and it is either too much deflation at one time or too slow deflation, which influences the measurement efficiency and accuracy, and therefore, the utility model provides a deflation valve and sphygmomanometer. SUMMARY
[0004] The utility model discloses a deflation valve and sphygmomanometer to solve the problem in the above background.
[0005] In order to achieve the above object, the utility model provides the following technical scheme: a deflation valve and sphygmomanometer, including deflation valve body, the deflation valve body is equipped with valve body, one end of valve body is connected with the air pipe, the other end of valve body is connected with the air inlet pipe, the surface of valve body is equipped with the deflation pipe, the circular arc surface of deflation pipe is equipped with a plurality of round holes, the circular arc surface of deflation pipe is equipped with a plurality of rectangular holes, the surface of deflation pipe is slidably inserted with rectangular rod, the surface of rectangular rod is equipped with a plurality of positioning holes, one end of rectangular rod in deflation valve is fixedly connected with baffle, the baffle is slid with the inner wall of deflation valve, the surface of deflation pipe is slidably inserted with the bolt, the bolt is through positioning hole.
[0006] The effect reached by the above-mentioned components is that by setting the deflation valve body, the position of the baffle is moved to control the deflation of the deflation valve body, thereby facilitating the control of the deflation speed, ensuring that the deflation valve body can uniformly deflate, and further improving the accuracy of blood pressure measurement.
[0007] Preferably, the inner wall of the deflation pipe is provided with a groove, the groove is communicated with the plurality of round holes, and the inner wall of the groove is provided with sound-absorbing cotton.
[0008] The effect achieved by the above-mentioned components is that the gas is discharged from the circular hole through the sound-absorbing cotton, the sound-absorbing cotton reduces the airflow sound of the gas discharge, thereby avoiding that the airflow sound is too large to affect the accuracy of blood pressure measurement by the user.
[0009] Preferably, the circular arc surface of the plug is sleeved with a spring, and two ends of the spring are fixedly connected with the plug and the air release pipe respectively.
[0010] The effect achieved by the above-mentioned components is that the plug is inserted into the positioning hole by the contraction force of the spring, and the spring improves the stability of the plug inserted into the positioning hole, thereby avoiding that the plug shakes and falls off from the positioning hole.
[0011] Preferably, a plug is slidably arranged on the surface of the guide rod, and the guide rod is fixedly connected with the air release pipe.
[0012] The effect achieved by the above-mentioned components is that the plug slides along the surface of the guide rod when moving, and the guide rod limits the moving path of the plug, thereby avoiding that the plug is inclined after falling off from the positioning hole and is inconvenient to insert back.
[0013] Preferably, the end of the rectangular rod away from the air release pipe is fixedly connected with a pull ring.
[0014] The effect achieved by the above-mentioned components is that the movement of the pull ring drives the movement of the rectangular rod, and the pull ring facilitates pulling the rectangular rod.
[0015] Preferably, the circular arc surface of the baffle is fixedly connected with two sealing rings, and the sealing rings are made of rubber.
[0016] The effect achieved by the above-mentioned components is that the movement of the baffle drives the sliding of the sealing rings along the inner wall of the air release pipe, and the sealing rings improve the sealing property of the baffle 409 and the inner wall of the air release pipe.
[0017] Preferably, the sphygmomanometer comprises the air release valve body of any one of claims 1 to 8, the air inlet pipe of the air release valve body is communicated with a balloon, the air outlet pipe is communicated with a sphygmomanometer host, and the surface of the sphygmomanometer host is communicated with a cuff.
[0018] Compared with the prior art, the sphygmomanometer has the following beneficial effects:
[0019] The sphygmomanometer has the following beneficial effects: the position of the baffle is moved to control the air release of the air release valve body, thereby facilitating the control of the air release speed, ensuring that the air release valve body can uniformly release air, and improving the accuracy of blood pressure measurement. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The figure is a schematic diagram of the overall structure of the sphygmomanometer;
[0021] Figure 2This is a schematic diagram of the structure of the vent valve of this utility model;
[0022] Figure 3 This is a screenshot of the valve body structure of this utility model;
[0023] Figure 4 This is a structural schematic diagram of the rectangular rod of this utility model;
[0024] Figure 5 This utility model Figure 2 Enlarged view of point A in the image.
[0025] In the diagram: 1. Blood pressure monitor main unit; 2. Cuff; 3. Balloon; 4. Deflator body; 401. Valve body; 402. Outlet pipe; 403. Inlet pipe; 404. Deflator pipe; 405. Round hole; 406. Rectangular hole; 407. Rectangular rod; 408. Positioning hole; 409. Baffle; 410. Pin; 411. Sound-absorbing cotton; 412. Spring; 413. Guide rod; 414. Pull ring; 415. Sealing ring. Detailed Implementation
[0026] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.
[0027] Please see Figures 1-5 This utility model provides a technical solution: a vent valve and a blood pressure monitor, including a vent valve body 4, a valve body 401, one end of the valve body 401 connected to an outlet pipe 402, the other end of the valve body 401 connected to an inlet pipe 403, a vent pipe 404 on the surface of the valve body 401, a plurality of circular holes 405 on the arc surface of the vent pipe 404, a plurality of rectangular holes 406 on the arc surface of the vent pipe 404, and a rectangular rod 407 slidably inserted into the surface of the vent pipe 404. The surface of the 07 has several positioning holes 408. A baffle 409 is fixedly connected to one end of the rectangular rod 407 inside the vent valve. The baffle 409 slides against the inner wall of the vent valve. A pin 410 is slidably inserted into the surface of the vent pipe 404. The pin 410 passes through the positioning holes 408. By setting the vent valve body 4, the position of the baffle 409 is moved to control the vent valve body 4 to vent, thereby facilitating the control of the venting speed and ensuring that the vent valve body 4 can vent evenly, thus improving the accuracy of blood pressure measurement.
[0028] Reference Figure 2 - Figure 5As shown, in the embodiment, the inner wall of the air release pipe 404 is provided with a groove, the groove is communicated with a plurality of round holes 405, the inner wall of the groove is provided with sound-absorbing cotton 411, the gas will pass through the sound-absorbing cotton 411 and be discharged from the round hole 405, the sound-absorbing cotton 411 reduces the airflow sound of the gas discharge, thereby avoiding that the airflow sound is too large to affect the accuracy of blood pressure measurement of the user. The circular arc surface of the plug 410 is sleeved with a spring 412, the two ends of the spring 412 are fixedly connected with the plug 410 and the air release pipe 404 respectively, the plug 410 will be inserted into the positioning hole 408 by the contraction force of the spring 412, the spring 412 improves the stability of the plug 410 inserted into the positioning hole 408, and avoids that the plug 410 shakes and falls off from the positioning hole 408. The surface of the guide rod 413 is slidably penetrated by the plug 410, the guide rod 413 is fixedly connected with the air release pipe 404, the plug 410 will slide along the surface of the guide rod 413 when moving, and the guide rod 413 limits the movement path of the plug 410, thereby avoiding that the plug 410 is inclined after being pulled out of the positioning hole 408 and is inconvenient to be inserted back. The end of the rectangular rod 407 away from the air release pipe 404 is fixedly connected with a pull ring 414, the pull ring 414 moves to drive the rectangular rod 407 to move, and the pull ring 414 facilitates pulling of the rectangular rod 407. The circular arc surface of the baffle 409 is fixedly connected with two sealing rings 415, the sealing rings 415 are made of rubber, the baffle 409 moves to drive the sealing rings 415 to slide along the inner wall of the air release pipe 404, and the sealing rings 415 improve the sealing performance of the baffle 409 and the inner wall of the air release pipe 404.
[0029] Referring to Figure 1 As shown, specifically, the sphygmomanometer comprises the air release valve body 4 according to any one of claims 1 to 13, the air inlet pipe 403 of the air release valve body 4 is communicated with the balloon 3, the air outlet pipe 402 is communicated with the sphygmomanometer host 1, and the surface of the sphygmomanometer host 1 is communicated with the cuff 2.
[0030] Working principle: when deflating, first pull the plug 410, the plug 410 moves gradually from the positioning hole 408 out, when the plug 410 is out of the positioning hole 408, pull the pull ring 414, the pull ring 414 moves and drives the rectangular rod 407 to move, the rectangular rod 407 moves gradually from the deflation pipe 404 out, the rectangular rod 407 moves and drives the baffle 409 to move, the baffle 409 moves and drives the sealing ring 415 to slide along the inner wall of the deflation pipe 404, the sealing ring 415 improves the sealing of the baffle 409 and the inner wall of the deflation pipe 404, when the baffle 409 moves above the circular hole 405, at this time the circular hole 405 is connected with the valve body 401 through the deflation pipe 404, the gas in the valve body 401 will enter the deflation pipe 404, the gas will pass through the sound-absorbing cotton 411 and be discharged from the circular hole 405, the sound-absorbing cotton 411 reduces the airflow sound of the gas discharge, so as to avoid that the airflow sound is too large to affect the accuracy of the blood pressure measurement of the user, when the blood pressure detection is completed, continue to move the baffle 409, so that the baffle 409 moves above the rectangular hole 406, loosen the plug 410, the plug 410 will be inserted into the positioning hole 408 through the contraction force of the spring 412, the plug 410 will slide along the surface of the guide rod 413 when moving, the guide rod 413 limits the movement path of the plug 410, so as to avoid that the plug 410 is inclined after being out of the positioning hole 408 and is not convenient to insert back, at this time the rectangular hole 406 will be connected with the valve body 401 through the deflation pipe 404 at the same time, the gas will be discharged from the circular hole 405 and the rectangular hole 406 at the same time, thereby facilitating the rapid discharge of the gas.
[0031] It should be noted that the relational terms herein such as first and second and the like are used solely to distinguish one from another entity or action without necessarily requiring or implying that the entities or actions are in any way mutually exclusive or directional.
[0032] Although the embodiments of the present application have been shown and described, it is understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.
Claims
1. A deflation valve comprising a deflation valve body (4) provided with a valve body (401), characterized in that: One end of the valve body (401) is communicated with the air outlet pipe (402), the other end of the valve body (401) is communicated with the air inlet pipe (403), the surface of the valve body (401) is provided with the air exhaust pipe (404), the circular arc surface of the air exhaust pipe (404) is provided with a plurality of round holes (405), the circular arc surface of the air exhaust pipe (404) is provided with a plurality of rectangular holes (406), the surface of the air exhaust pipe (404) is slidably provided with a rectangular rod (407), the surface of the rectangular rod (407) is provided with a plurality of positioning holes (408), one end of the rectangular rod (407) located in the air exhaust valve is fixedly connected with a baffle (409), the baffle (409) is in sliding connection with the inner wall of the air exhaust valve, the surface of the air exhaust pipe (404) is slidably provided with a latch (410), the latch (410) penetrates the positioning hole (408).
2. A valve according to claim 1, wherein: The inner wall of the air exhaust pipe (404) is provided with a groove, the groove is in communication with a plurality of round holes (405), and the inner wall of the groove is provided with sound-absorbing cotton (411).
3. A valve according to claim 1, wherein: The circular arc surface of the latch (410) is sleeved with a spring (412), and the two ends of the spring (412) are fixedly connected with the latch (410) and the air exhaust pipe (404) respectively.
4. A valve according to claim 1, wherein: The surface of the latch (410) is slidably penetrated by a guide rod (413), and the guide rod (413) is fixedly connected with the air exhaust pipe (404).
5. A valve according to claim 1, wherein: One end of the rectangular rod (407) away from the air exhaust pipe (404) is fixedly connected with a pull ring (414).
6. A valve according to claim 1, wherein: The circular arc surface of the baffle (409) is fixedly connected with two sealing rings (415), and the sealing rings (415) are made of rubber.
7. A sphygmomanometer characterized by The sphygmomanometer comprises the air exhaust valve body (4) according to any one of claims 1 to 6, the air inlet pipe (403) of the air exhaust valve body (4) is communicated with a balloon (3), the air outlet pipe (402) is communicated with a sphygmomanometer host (1), and the surface of the sphygmomanometer host (1) is communicated with a cuff (2).