Foreign matter discharging structure of alcohol lock

By employing a card slot structure and an inner large and outer small air groove design in the alcohol lock, the problems of complicated filter cotton replacement and poor drainage are solved, enabling convenient replacement and smooth drainage, thus improving the ease of use and safety of the equipment.

CN223602198UActive Publication Date: 2025-11-28HANLIN AUTOMOTIVE TECH (JIANGSU) CO LTD +1
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Patent Information

Application Number
CN202422937010.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-29
Publication Date
2025-11-28
Estimated Expiration
2034-11-29

AI Technical Summary

Technical Problem

The existing alcohol lock filter cotton is complicated to replace and has poor drainage, which affects the normal use and safety performance of the equipment.

Method used

An alcohol lock foreign matter discharge structure was designed. The filter cotton is easily disassembled by using a locking block and a locking groove. A sealing ring and a protective cover are set on the blower body. The lower housing has an air groove with a larger inner diameter and a smaller outer diameter to facilitate the discharge of water vapor and prevent impurities from entering.

Benefits of technology

It enables convenient replacement of filter cotton and unobstructed drainage, reducing user time costs and the risk of impurities entering, and protecting the normal operation and safety performance of the equipment.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223602198U_ABST
Patent Text Reader

Abstract

The utility model provides a foreign matter discharging structure of an alcohol lock, which relates to the technical field of alcohol locks and comprises a main body mechanism and a blowing head mechanism, the blowing head mechanism comprises a blowing head body, the appearance of the blowing head body is a flat-head cone, a second sealing ring is arranged on the inner wall of the blowing head body in a clamped mode, a set of clamping blocks and limiting blocks are installed on the inner wall of the blowing head body, filter cotton is arranged on one side of the limiting blocks, and the clamping blocks are arranged on the outer surface wall of the filter cotton; according to the blowing head, the clamping block is connected with the clamping groove in a clamping mode, when foreign matter enters the blowing head body, only the blowing head body and the filter cotton need to be detached and replaced, the clamping mode is simple in structure and easy to operate, the time cost of a user is reduced, meanwhile, the problem that gaps exist in the clamping portion is solved through the arrangement of the second sealing ring, and the blowing head is convenient to use. And the protective cover is arranged on the outer surface wall of the blowing head body in a sleeving manner, so that the blowing head body is protected when not used, and dust is prevented from polluting the blowing head body.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of alcohol lock, especially to an alcohol lock foreign matter discharging structure. BACKGROUND

[0002] With the continuous development of automobile technology, alcohol lock as an important safety equipment is widely used in the automobile. Alcohol lock usually uses filter cotton to filter the air entering the alcohol lock to avoid impurities, dust and other foreign matters from entering the alcohol detection system, which affects the normal work and safety performance of the system.

[0003] In the prior art, the filtering performance of the filter cotton will decrease after long-term use of the alcohol lock, and the filter cotton needs to be replaced regularly. The traditional replacement method is complicated to operate, which brings inconvenience to the user. At the same time, the drainage and air groove structure inside the alcohol lock also has certain defects, which easily causes poor drainage and affects the normal use of the equipment. UTILITY MODEL CONTENTS

[0004] The utility model mainly provides an alcohol lock foreign matter discharging structure which is convenient to replace and has smooth drainage.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: an alcohol lock foreign matter discharging structure, comprising: a main body mechanism and a blowing head mechanism; the blowing head mechanism comprises a blowing head body, the shape of the blowing head body is a flat head cone, a second sealing ring is clamped on the inner wall of the blowing head body, a group of clamping blocks and limiting blocks are respectively installed on the inner wall of the blowing head body, filter cotton is arranged on one side of the group of limiting blocks, a group of clamping blocks are arranged on the outer surface wall of the filter cotton, and a protective cover is sleeved on the outer surface wall of the blowing head body.

[0006] Preferably, the main body mechanism comprises a lower shell, the top of the lower shell is clamped with an upper shell, and a first sealing ring is fixedly sleeved on the outer surface wall of the upper shell.

[0007] Preferably, a sealing gasket and a PCBA circuit board are arranged in the lower shell, and the PCBA circuit board is arranged on the top of the sealing gasket.

[0008] Preferably, a filter screen is fixedly installed on one end of the lower shell, and a group of clamping grooves are formed in one end of the lower shell.

[0009] Preferably, a through hole is formed in the upper shell, a display end of the PCBA circuit board is arranged in the through hole, and a control button is installed on the top of the upper shell.

[0010] Preferably, the bottom of the control button is movably connected with a control end of the PCBA circuit board, a gas groove is formed in the bottom of the lower shell, and the gas groove is formed in an inner large and outer small mode.

[0011] Preferably, a group of the clamping blocks are clamped with the clamping grooves, and the filter cotton is arranged on one side of the filter screen.

[0012] Compared with the prior art, the advantages and positive effects of the utility model lie in,

[0013] 1、The utility model discloses, through clamping block and clamping groove clamping, when having foreign matter entering blow head body, only need to replace after disassembling blow head body and filter cotton, and the structure of clamping mode is simple, easy operation reduces the time cost of user, and the setting of second sealing ring also avoids the problem that there is gap in clamping part, and the protective cover is set on the outer surface wall of blow head body, and the blow head body is protected when not using, and dust pollution blow head body is avoided.

[0014] 2、The utility model discloses, through setting the air groove of inside big and outside small in the bottom of lower shell, it is convenient to discharge the water vapor of entering the shell inside, and also reduce the risk that the external impurity enters from the air groove. DRAWINGS

[0015] Figure 1 A three-dimensional structure schematic diagram of the foreign matter discharge structure of the alcohol lock is provided for the utility model;

[0016] Figure 2 A three-dimensional structure sectional view of the foreign matter discharge structure of the alcohol lock is provided for the utility model;

[0017] Figure 3 A three-dimensional structure split schematic diagram of the main body mechanism in the foreign matter discharge structure of the alcohol lock is provided for the utility model;

[0018] Figure 4 A three-dimensional structure split schematic diagram of the blow head mechanism in the foreign matter discharge structure of the alcohol lock is provided for the utility model.

[0019] Legend: 1, main body mechanism;101, lower shell;102, upper shell;103, first sealing ring;104, sealing gasket;105, PCBA circuit board;106, filter screen;107, clamping groove;108, through hole;109, control button;110, air groove;2, blow head mechanism;201, blow head body;202, second sealing ring;203, clamping block;204, limiting block;205, filter cotton;206, protective cover. DETAILED DESCRIPTION

[0020] In order to enable the above-mentioned purpose, features and advantages of the utility model to be more clearly understood, the utility model is further explained below in connection with the drawings and embodiments. It should be explained that the embodiments of the application and the features in the embodiments can be combined with each other without conflict.

[0021] Many specific details are set forth in the following description in order to provide a thorough understanding of the present application. However, the present application can be practiced according to other ways not described herein, and the present application is not limited to the specific embodiments described in this specification.

[0022] Referring to Figures 1-4 The present application provides a technical solution: an alcohol lock foreign matter discharging structure, comprising: a main body mechanism 1 and a blow head mechanism 2; the blow head mechanism 2 comprises a blow head body 201, the shape of the blow head body 201 is a flat head cone, a second sealing ring 202 is clamped on the inner wall of the blow head body 201, a group of clamping blocks 203 and limiting blocks 204 are respectively installed on the inner wall of the blow head body 201, a filter cotton 205 is arranged on one side of the group of limiting blocks 204, the group of clamping blocks 203 is arranged on the outer surface wall of the filter cotton 205, and a protective cover 206 is sleeved on the outer surface wall of the blow head body 201; the second sealing ring 202 is clamped in the blow head body 201, the clamping blocks 203 and the limiting blocks 204 are fixedly installed on the inner wall of the blow head body 201, the filter cotton 205 is arranged on one side of the limiting blocks 204, the filter cotton 205 is arranged between the group of clamping blocks 203, the clamping blocks 203 are connected with the clamping grooves 107, the blow head body 201 can be easily disassembled, the blow head body 201 and the filter cotton 205 can be replaced after foreign matter enters the blow head body 201, the clamping connection mode is simple and easy to operate, the time cost of the user is reduced, the second sealing ring 202 is arranged to avoid the gap problem of the clamping connection part, and the protective cover 206 is sleeved on the outer surface wall of the blow head body 201 to protect the blow head body 201 when not in use, so that dust pollution of the blow head body 201 is avoided.

[0023] As Figure 3 shown, the main body mechanism 1 comprises a lower shell 101, the upper shell 102 is connected with the lower shell 101, and the outer surface wall of the upper shell 102 is fixedly sleeved with a first sealing ring 103; the upper shell 102 and the lower shell 101 are connected, and the first sealing ring 103 is used for sealing the connection part, so that the electronic elements in the cavity can be easily maintained.

[0024] As Figure 3 shown, the lower shell 101 is internally provided with a sealing gasket 104 and a PCBA circuit board 105, and the PCBA circuit board 105 is arranged on the top of the sealing gasket 104; the sealing gasket 104 is used for protecting the PCBA circuit board 105, so that the water vapor blown in does not enter the circuit board to cause rust.

[0025] As Figure 3As shown, one end of the lower shell 101 is fixedly installed with a filter screen 106, and a plurality of clamping grooves 107 are formed at one end of the lower shell 101; the filter screen 106 is used for blocking to prevent impurities, dust and other foreign matters from entering the alcohol detection system, thereby affecting the normal operation and safety performance of the system; the clamping grooves 107 are formed to facilitate the connection of the blowing head body 201, so that the device has the overall use function.

[0026] As shown in Figure 3 , a through hole 108 is formed in the upper shell 102, the display end of the PCBA circuit board 105 is arranged in the through hole 108, and a control button 109 is arranged on the top of the upper shell 102; the display end of the PCBA circuit board 105 is arranged in the through hole 108, so as to facilitate the display and broadcast of the values detected by each sensor, and the control button 109 is used to control the opening and closing of the alcohol lock.

[0027] As shown in Figure 2 and 3, the bottom of the control button 109 is movably connected with the control end of the PCBA circuit board 105, and a gas groove 110 is formed in the bottom of the lower shell 101, and the gas groove 110 is formed in an inner large and outer small manner; the gas groove 110 formed in the bottom of the lower shell 101 in an inner large and outer small manner facilitates the discharge of water vapor entering the shell body, and also reduces the risk of external impurities entering the gas groove 110.

[0028] As shown in Figures 1-4 , a plurality of clamping blocks 203 are clamped with the clamping grooves 107, and a filter cotton 205 is arranged on one side of the filter screen 106; the clamping blocks 203 are clamped with the clamping grooves 107, so as to facilitate the replacement of the filter cotton 205 by disassembling the blowing head body 201, thereby reducing the time cost.

[0029] The method for using and working principle of the device: when the alcohol lock is used, first, the first sealing ring 103 is fixedly sleeved on the outer wall of the upper shell 102 by setting the lower shell 101 and the upper shell 102, the upper shell 102 is clamped with the lower shell 101, the sealing part is protected by the first sealing ring 103, and gaps in the connecting part are avoided to prevent water vapor, dust and the like from entering; secondly, the sealing gasket 104 is arranged in the lower shell 101, the PCBA circuit board 105 is arranged on the top of the sealing gasket 104, the PCBA circuit board 105 is protected by the sealing gasket 104, and the blown-in water vapor is prevented from entering the circuit board to cause rust, the filter screen 106 is fixedly installed at one end of the lower shell 101, a group of clamping grooves 107 are formed at one end of the lower shell 101, the filter screen 106 is used for blocking, impurities, dust and the like are prevented from entering the alcohol detection system, the normal work and safety performance of the system are affected; then, the through hole 108 is formed in the upper shell 102, the control button 109 is fixedly installed at the top of the upper shell 102, the display end of the PCBA circuit board 105 is arranged in the through hole 108, the values detected by each sensor are displayed and broadcasted, the control button 109 is used for controlling the opening and closing of the alcohol lock, and the air groove 110 is formed in the bottom of the lower shell 101, the air groove 110 is formed in a shape that the inside is large and the outside is small, water vapor entering the inside of the shell body is conveniently discharged, and the risk that external impurities enter from the air groove 110 is reduced; finally, the second sealing ring 202 is clamped in the inside of the blowing head body 201, the clamping block 203 and the limiting block 204 are fixedly installed on the inner wall of the blowing head body 201, the filter cotton 205 is arranged on one side of the limiting block 204, the filter cotton 205 is arranged between a group of clamping blocks 203, the clamping blocks 203 are clamped with the clamping grooves 107, the blowing head body 201 is conveniently disassembled, when foreign matters enter the blowing head body 201, the blowing head body 201 and the filter cotton 205 only need to be disassembled and replaced, the clamping mode is simple in structure and easy to operate, the time cost of the user is reduced, the setting of the second sealing ring 202 also avoids the problem that gaps exist in the clamping part, and the protective cover 206 is sleeved on the outer wall of the blowing head body 201 to protect the blowing head body 201 when not in use, and dust pollution of the blowing head body 201 is avoided.

[0030] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. An alcohol-lock foreign matter discharge structure, characterized in that, Include: Main body mechanism (1) and blow head mechanism (2); The blow head mechanism (2) comprises a blow head body (201), the outer shape of the blow head body (201) is flat head cone, the inner wall of the blow head body (201) is clamped with a second sealing ring (202), the inner wall of the blow head body (201) is respectively installed a set of clamping blocks (203) and limit blocks (204), one side of a set of the limit blocks (204) is provided with filter cotton (205), a set of the clamping blocks (203) is arranged on the outer surface wall of the filter cotton (205), the outer surface wall of the blow head body (201) is sleeved with a protective cover (206).

2. An alcohol lock foreign object ejection structure according to claim 1, characterized by: The main body mechanism (1) comprises a lower shell (101), the top of the lower shell (101) is clamped with an upper shell (102), the outer surface wall of the upper shell (102) is fixedly sleeved with a first sealing ring (103).

3. An alcohol lock foreign object ejection structure according to claim 2, characterized by: The inside of the lower shell (101) is provided with a sealing gasket (104) and a PCBA circuit board (105), the PCBA circuit board (105) is arranged on the top of the sealing gasket (104).

4. An alcohol lock foreign object ejection structure according to claim 2, characterized by: One end of the lower shell (101) is fixedly installed with a filter screen (106), one end of the lower shell (101) is provided with a set of clamping grooves (107).

5. An alcohol lock foreign object ejection structure according to claim 3, characterized by: The inside of the upper shell (102) is provided with a through hole (108), the display end of the PCBA circuit board (105) is arranged in the inside of the through hole (108), the top of the upper shell (102) is installed with a control button (109).

6. An alcohol lock foreign object ejection structure according to claim 5, characterized by: The bottom of the control button (109) is movably connected with the control end of the PCBA circuit board (105), the bottom of the lower shell (101) is provided with a gas groove (110), the gas groove (110) is provided in an inside large and outside small mode.

7. An alcohol lock foreign object ejection structure according to claim 4, characterized by: A set of the clamping blocks (203) is clamped with the clamping grooves (107), the filter cotton (205) is arranged on one side of the filter screen (106).