Air escape valve and sphygmomanometer

Abstract

The air release valve comprises a cylindrical valve body, a blind hole is formed in the valve body, an air outlet micropore is formed in the blocking end of the blind hole, an air inlet communicated with the blind hole is formed in the end, away from the blind hole, of the valve body, and an air outlet communicated with the blind hole is formed in the end, away from the blind hole, of the valve body. A blocking block is arranged on the outer surface of the side, close to the blocking end, of the valve body, a groove is formed in the end, away from the blocking end, of the blocking block, the air outlet micropores are located in the bottom of the groove, and at least one production positioning clamping groove is formed in the side face of the blocking block. The air outlet micropore can be effectively prevented from being collided, scratched, abraded and blocked by mucilage glue in the production, processing, assembling and using processes, it is guaranteed that the air outlet micropore is smooth in air leakage at a constant speed, positioning can be carried out in the production process, more accurate production positioning of automatic equipment is achieved, and the yield efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of air release valves, in particular to an air release valve and a sphygmomanometer. Background Art

[0002] The currently known relief valve uses the opening of the opening and closing parts in the control valve body to adjust the flow of the medium, reduce the pressure of the medium, and at the same time use the effect of the pressure behind the valve to adjust the opening of the opening and closing parts to keep the pressure behind the valve within a certain range. When the inlet pressure is constantly changing, the outlet pressure is maintained within the set range to protect the subsequent life and production equipment.

[0003] The utility model patent with the patent publication number "CN 206708484 U" and the name "An Exhaust Valve" is a patent in which a blocking block is arranged on the outer surface of the valve body near its blocking end to ensure that the air pipe can be fixed in position when the air pipe and the exhaust valve are assembled. The assembly requirements are met when the end face of the air pipe conflicts with the side face of the blocking block.

[0004] The air vent of this patent is in the same plane as the end of the blocking block, and the air vent is exposed at one end of the valve body close to the blocking block. It is easy to be bumped, scratched, abraded, and blocked by adhesives during production, processing, assembly and use, causing the air vent to leak unsmoothly.

[0005] In addition, since the blocking block is circular, it is easy to rotate during the production process, which makes it inconvenient to position, affecting the product production quality and production efficiency. Utility Model Content

[0006] The main purpose of the utility model is to provide an air release valve and a sphygmomanometer, aiming to avoid the situation of unsmooth air release during use, thereby improving product quality reliability and production efficiency.

[0007] To achieve the above-mentioned purpose, the utility model proposes a gas relief valve, including a cylindrical valve body, a blind hole is arranged in the valve body, an air outlet micropore is arranged on the blocking end of the blind hole, an air inlet connected to the blind hole is arranged at the end of the valve body away from the blind hole, a blocking block is arranged on the outer surface of the side of the valve body close to the blocking end, a groove is provided at the end of the blocking block away from the blocking end, the air outlet micropore is located at the bottom of the groove, and at least one production positioning slot is provided on the side of the blocking block.

[0008] A further technical solution of the utility model is that it also includes a filter element arranged in the blind hole.

[0009] A further technical solution of the utility model is that a mounting groove for arranging the filter element is circumferentially opened on the inner wall of the valve body, and the top of the mounting groove is spaced apart from the air outlet micropores.

[0010] A further technical solution of the utility model is that the filter element is filter cotton.

[0011] A further technical solution of the utility model is that the top surface of the blocking block is a smooth plane.

[0012] A further technical solution of the utility model is that a smooth chamfer is arranged on the top of the blocking block.

[0013] A further technical solution of the utility model is that the air outlet microhole is coaxially arranged with the blind hole.

[0014] A further technical solution of the utility model is that the valve body and the blocking block are made of silicone, rubber or plastic.

[0015] To achieve the above object, the utility model also provides a sphygmomanometer, which includes the air release valve as described above.

[0016] The beneficial effects of the air release valve and the sphygmomanometer of the utility model are:

[0017] The utility model, through the above technical scheme, includes a cylindrical valve body, a blind hole is arranged in the valve body, an air outlet micropore is arranged on the blocking end of the blind hole, an end of the valve body away from the blind hole is provided with an air inlet connected with the blind hole, a blocking block is arranged on the outer surface of the side of the valve body close to the blocking end, a groove is provided at the end of the blocking block away from the blocking end, the air outlet micropore is located at the bottom of the groove, and at least one production positioning slot is provided on the side of the blocking block, which can effectively protect the air outlet micropore from being hit, scratched, abraded and blocked by adhesives during production, processing, assembly and use, ensure that the air outlet micropore is released smoothly at a uniform speed, can be positioned in the production process, realize more accurate production positioning of automated equipment, and improve production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0019] Figure 1 It is a schematic diagram of the overall structure of a preferred embodiment of the utility model air relief valve;

[0020] Figure 2 This is a schematic diagram of the overall structure of a preferred embodiment of the utility model of the air release valve from another angle;

[0021] Figure 3 This is a front view of a preferred embodiment of the utility model air relief valve;

[0022] Figure 4 yes Figure 3 Cross-sectional view along the AA direction.

[0023] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0024] 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 of 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.

[0025] The utility model proposes a deflation valve, please refer to Figures 1 to 4 The preferred embodiment of the utility model air release valve comprises a valve body 1, which is cylindrical, and has a blind hole 2 disposed therein, and a gas outlet micro-hole 3 disposed at the blocked end of the blind hole 2. The gas outlet micro-hole 3 is coaxially disposed with the blind hole 2.

[0026] A blocking block 5 is provided on the outer surface of the valve body 1 on one side close to the blocking end, a groove 6 is provided on the end of the blocking block 5 away from the blocking end, the air outlet micropore 3 is located at the bottom of the groove 6, and at least one production positioning slot 7 is provided on the side of the blocking block 5.

[0027] It should be noted that the air release valve of this embodiment can be applied to fields such as sphygmomanometers, and the valve body 1 and the blocking block 5 can be integrally formed, which is simple to process and can greatly reduce the defective rate. In this embodiment, the end of the valve body 1 away from the blind hole 2 is provided with an air inlet 4 connected to the blind hole 2. During assembly, the valve body 1 can be directly connected to the air pipe. The blocking block 5 can ensure that the air pipe can be fixed in place when the air pipe is assembled with the exhaust valve, and the assembly requirements are met when the cross section of the air pipe abuts against the side of the blocking block 5.

[0028] In this embodiment, since the air outlet micropores 3 are located at the bottom of the groove 6, the air outlet micropores 3 can be effectively protected from being hit, scratched, abraded, or blocked by adhesives during production, processing, assembly, and use, ensuring that the air outlet micropores 3 release air smoothly and at a uniform speed.

[0029] In addition, in this embodiment, by providing the production positioning slot 7 on the side of the blocking block 5, positioning can be performed during the production process, so that the production positioning of the automated equipment is more accurate and the production efficiency is improved.

[0030] Furthermore, in this embodiment, the air release valve further includes a filter (not shown) disposed in the blind hole 2 to produce a positioning slot 7. The filter can be a filter cotton net (such as fiber, foam), and the filter is installed in the blind hole 2 to effectively filter dust and hair carried in the incoming gas, thereby ensuring that the air outlet micropores 3 are evenly and smoothly released without being blocked by debris such as dust and hair.

[0031] In this embodiment, a mounting groove 8 for setting the filter element is circumferentially opened on the inner wall of the valve body 1, and the top of the mounting groove 8 is spaced apart from the air outlet micropore 3, which can effectively prevent the filter element from blocking the air outlet micropore 3 and ensure that the air outlet micropore 3 remains unobstructed.

[0032] Furthermore, in this embodiment, the top surface of the blocking block 5 is a smooth plane 9, and smooth chamfers 10 are arranged around the top of the blocking block 5. In this embodiment, the top surface of the blocking block 5 is set as a smooth plane 9, and smooth chamfers 10 are arranged around the top, which can achieve smooth and smooth production in the automated equipment production process and improve production efficiency.

[0033] In this embodiment, the valve body 1 and the blocking block 5 are made of silicone, rubber or plastic.

[0034] The beneficial effects of the utility model air release valve are:

[0035] The utility model, through the above technical scheme, includes a cylindrical valve body, a blind hole is arranged in the valve body, an air outlet micropore is arranged on the blocking end of the blind hole, an end of the valve body away from the blind hole is provided with an air inlet connected with the blind hole, a blocking block is arranged on the outer surface of the side of the valve body close to the blocking end, a groove is provided at the end of the blocking block away from the blocking end, the air outlet micropore is located at the bottom of the groove, and at least one production positioning slot is provided on the side of the blocking block, which can effectively protect the air outlet micropore from being hit, scratched, abraded and blocked by adhesives during production, processing, assembly and use, ensure that the air outlet micropore is released smoothly at a uniform speed, can be positioned in the production process, realize more accurate production positioning of automated equipment, and improve production efficiency.

[0036] To achieve the above objectives, the utility model further provides a sphygmomanometer, which includes an air release valve as described in the above embodiment. The structure and working principle of the air release valve have been described in detail above and will not be repeated here.

[0037] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the concept of the utility model, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A deflation valve, characterized in that: It comprises a cylindrical valve body, wherein a blind hole is arranged in the valve body, an air outlet micropore is arranged on the blocking end of the blind hole, an air inlet connected to the blind hole is arranged at the end of the valve body away from the blind hole, a blocking block is arranged on the outer surface of the side of the valve body close to the blocking end, a groove is arranged at the end of the blocking block away from the blocking end, the air outlet micropore is located at the bottom of the groove, and at least one production positioning slot is arranged on the side of the blocking block.

2. The air release valve according to claim 1, characterized in that: Also included is a filter element disposed in the blind hole.

3. The air release valve according to claim 2, characterized in that: An installation groove for arranging the filter element is circumferentially formed on the inner wall of the valve body, and the top of the installation groove is spaced apart from the air outlet micropores.

4. The air release valve according to claim 2, characterized in that: The filter element is filter cotton.

5. The air release valve according to claim 1, characterized in that: The top surface of the blocking block is a smooth plane.

6. The air release valve according to claim 5, characterized in that: The top of the blocking block is provided with a smooth chamfer.

7. The air release valve according to claim 1, characterized in that: The air outlet microhole is coaxially arranged with the blind hole.

8. The air release valve according to any one of claims 1 to 7, characterized in that: The valve body and the blocking block are made of silicone, rubber or plastic.

9. A sphygmomanometer, characterized in that: The sphygmomanometer comprises the deflation valve according to any one of claims 1 to 7.

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