Air tightness testing equipment for labor protection products

Abstract

The utility model discloses an air tightness detection device for labor protection products, including a detection water tank, a side frame fixedly installed on one side of the top of the detection water tank, and a support plate movable at the center of one side of the side frame, the side frame is fixedly installed on one side of the top of the detection water tank by bolts, a motor bracket is fixedly installed at the center of one side of the top of the side frame by bolts, a servo motor is fixedly installed at the center of one side of the top of the motor bracket by bolts, bearings are fixedly installed at the centers of the upper and lower ends of the side frame by bolts, a screw movable in the side frame is fixedly installed between the central movable parts of the bearings by bolts, and a movable block is connected through the thread on the screw. In the field of labor protection products, the movable block drives the head mold under the support plate through the movable plate and the movable groove to perform air tightness detection in the water reservoir, and realizes the detection of multiple groups of breathing masks at one time, with high detection effect, and the air tightness of the breathing mask is judged through the air outlet on the head mold, and the operation is simple and convenient.

Description

Technical Field

[0001] The utility model relates to the technical field related to labor protection products, and in particular to an air tightness detection device for labor protection products. Background Art

[0002] Labor protection supplies refer to a kind of defensive equipment necessary to protect the personal safety and health of workers in the production process, and play a very important role in reducing occupational hazards.

[0003] Among them, respiratory protective equipment is an important protective product for preventing pneumoconiosis and occupational diseases, and is a protective equipment for preventing harmful substances such as hypoxic air and dust from being inhaled into the respiratory tract. It is divided into three categories according to its use, namely dust prevention, poison prevention, and oxygen supply. It is divided into two categories according to its working principle, namely filtering type and isolation type. Among them, the isolation type breathing mask needs to be tested for its airtightness. However, the existing breathing masks can only be tested individually during the testing process, and the testing efficiency is relatively low. In this regard, the utility model provides an airtightness testing device for labor protection products. Utility Model Content

[0004] The purpose of this application is to provide an air tightness detection device for labor protection products to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solutions: an air tightness detection device for labor protection products, comprising a detection water tank, a side frame fixedly installed on one side of the top of the detection water tank, and a support plate movable at the center of one side of the side frame, the side frame is fixedly installed on one side of the top of the detection water tank by bolts, a motor bracket is fixedly installed at the center of one side of the top of the side frame by bolts, a servo motor is fixedly installed at the center of one side of the top of the motor bracket by bolts, bearings are fixedly installed at the centers of the upper and lower ends of the side frame by bolts, a screw rod movable in the side frame is fixedly installed between the central movable parts of the bearings by bolts, a movable block is threadedly connected on the screw rod, a movable plate is fixedly installed at the centers of the two ends of one side of the movable block by bolts, the support plate movable on the outside of the side frame is fixedly installed between the tops of the movable plates by bolts, a plurality of connecting conduits are evenly installed at the center of one side of the support plate by bolts, and the bottom end of the connecting conduit is located at the bottom side of the support plate and is fixedly installed by bolts on a head mold for fixing a gas mask.

[0006] Preferably, support feet are fixedly installed around the bottom of the detection water tank by bolts, and support pads made of rubber material are fixedly installed on one side of the bottom of the support feet by bolts.

[0007] Preferably, a water reservoir is provided on the top of the detection water tank at the center of one side of the side frame, and the head molds are movable in the water reservoir in the detection water tank.

[0008] Preferably, the top end of the screw rod passes through the bearing and extends to the outside of the top of the side frame, and the output end of the servo motor is fixedly mounted on the top end of the screw rod.

[0009] Preferably, in the side frame, limiting rods are fixedly installed at the centers of both sides of the screw rod by bolts, and both ends of the movable block movably penetrate the limiting rods.

[0010] Preferably, movable grooves are provided at the centers of both ends of one side of the side frame, and the movable plate movably passes through the movable grooves.

[0011] Preferably, an air pump is fixedly installed at the center of one side of the top of the support plate by bolts, the output end of the air pump is connected to a conduit, the top of the connecting conduit is located on one side of the top of the support plate and is sealed and connected to a connecting seat by bolts, the other end of the conduit is fixedly installed on the connecting seat, and an air outlet hole connected to the connecting conduit is opened at the oral position of the head mold.

[0012] In summary, the technical effects and advantages of the utility model are:

[0013] 1. In the utility model, the servo motor on the motor bracket drives the screw on the bearing to rotate stably, and the movable block on the screw realizes stable up and down movement under the action of the limit rod and the movable groove. The movable block drives the head mold under the support plate through the movable plate and the movable groove to perform air tightness detection in the water tank, thereby realizing the detection of multiple groups of breathing masks at one time, with high detection effect and simple operation.

[0014] 2. In the utility model, after the arc-shaped mask is put on through the head mold, the servo motor on the side frame is used to immerse the head mold under the connecting pipe into water to judge the airtightness of the breathing mask on the head mold. The air pump inputs gas into the head mold under the connecting pipe through the conduit and the connecting seat, and the airtightness of the breathing mask is judged through the air outlet on the head mold. The operation is simple and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the present application 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 present application. For those skilled in the art, other drawings can be obtained based on these drawings without paying any creative work.

[0016] Figure 1 This is a schematic three-dimensional diagram of the overall structure of an air tightness detection device for labor protection products in an embodiment of the present application;

[0017] Figure 2This is a schematic front view of the internal structure of a side frame of an air tightness detection device for labor protection products in an embodiment of the present application;

[0018] Figure 3 This is a schematic three-dimensional diagram of the head mold connection structure of an air tightness detection device for labor protection products in an embodiment of the present application.

[0019] In the figure: 1. detection water tank; 11. support foot; 12. water reservoir; 2. side frame; 21. motor bracket; 22. servo motor; 23. bearing; 24. screw; 25. limit rod; 26. movable groove; 3. support plate; 31. connecting duct; 32. head mold; 33. air pump; 34. duct; 35. connecting seat; 36. air outlet; 41. movable block; 41. movable plate. DETAILED DESCRIPTION

[0020] 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 in 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.

[0021] Example: Reference Figure 1-3 The air tightness detection equipment of a labor protection product shown in the figure includes a detection water tank 1, a side frame 2 fixedly installed on one side of the top of the detection water tank 1, and a support plate 3 movable at the center of one side of the side frame 2. The side frame 2 is fixedly installed on one side of the top of the detection water tank 1 by bolts, and a motor bracket 21 is fixedly installed at the center of one side of the top of the side frame 2 by bolts to support and fix the servo motor. A servo motor 22 is fixedly installed at the center of the top of one side of the bracket 21 by bolts, and a bearing 23 is fixedly installed at the center of the upper and lower ends of the side frame 2 by bolts, and the central movable part of the bearing 23 is fixed by bolts. A screw rod 24 movable in the side frame 2 is fixedly installed, and a movable block 4 is connected with the screw rod 24 through a thread, driving the screw rod and the movable block to perform synchronous rotational movement, and a movable plate 41 is fixedly installed at the center of both ends of one side of the movable block 4 by bolts to realize the connection movement, and a support plate 3 movable on the outside of the side frame 2 is fixedly installed between the top ends of the movable plates 41 by bolts, and a plurality of connecting conduits 31 are evenly installed at the center of one side of the support plate 3 by bolts, and the bottom end of the connecting conduit 31 is located at the bottom side of the support plate 3 and is fixedly installed with a head mold 32 for fixing the gas mask by bolts for easy detection.

[0022] See also Figure 1 and Figure 3The bottom of the detection water tank 1 is fixed with support feet 11 by bolts, and a rubber support pad is fixed on one side of the bottom of the support foot 11 by bolts. The support structure is simple and stable. A water reservoir 12 is opened at the center of one side of the side frame 2 on the top of the detection water tank 1, and the head mold 32 is movable in the water reservoir 12 in the detection water tank 1 to achieve air tightness detection. The top of the screw 24 passes through the bearing 23 and extends to the outside of the top of the side frame 2. The output end of the servo motor 22 is fixedly installed on the top of the screw 24. The limit rod 25 is fixedly installed at the center of both sides of the screw 24 in the side frame 2 by bolts. The two ends of the movable block 4 are movable. The movable plate 41 movably penetrates the movable groove 26 and movably penetrates the limit rod 25. The limit motion is converted from rotational motion to linear motion. A movable groove 26 is opened at the center of both ends of one side of the side frame 2. The movable plate 41 movably penetrates the movable groove 26 and movably penetrates. An air pump 33 is fixedly installed at the center of one side of the top of the support plate 3 by bolts. The output end of the air pump 33 is connected to a conduit 34. The top of the connecting conduit 31 is located on one side of the top of the support plate 3 and is sealed and connected to a connecting seat 35 by bolts. The other end of the conduit 34 is fixedly installed on the connecting seat 35. An air outlet 36 connected to the connecting conduit 31 is opened at the oral position of the head mold 32 to enter gas for testing the airtightness.

[0023] The working principle of this utility model is: the servo motor on the motor bracket drives the screw on the bearing to rotate stably, and the movable block on the screw realizes stable up and down movement under the action of the limit rod and the movable groove. The movable block will drive the head mold under the support plate through the movable plate and the movable groove to carry out air tightness detection in the water tank, so that multiple groups of breathing masks can be detected at one time, with high detection effect and simple operation.

[0024] After the arc-shaped mask is put on through the head mold, the servo motor on the side frame is used to immerse the head mold under the connecting tube into water to judge the airtightness of the breathing mask on the head mold. The air pump inputs gas into the head mold under the connecting tube through the conduit and the connecting seat, and the airtightness of the breathing mask is judged through the air outlet on the head mold. The operation is simple and convenient.

[0025] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. An air tightness detection device for labor protection products, comprising a detection water tank (1), a side frame (2) fixedly mounted on one side of the top of the detection water tank (1), and a support plate (3) movable at the center of one side of the side frame (2), characterized in that: The side frame (2) is fixedly mounted on one side of the top of the detection water tank (1) by bolts, a motor bracket (21) is fixedly mounted on the center of one side of the top of the side frame (2) by bolts, a servo motor (22) is fixedly mounted on the center of one side of the top of the motor bracket (21) by bolts, bearings (23) are fixedly mounted on the center of the upper and lower ends of the side frame (2) by bolts, and a screw rod (24) movable in the side frame (2) is fixedly mounted between the central movable parts of the bearings (23) by bolts, and the screw rod (24) is fixedly mounted on the side frame (2) by bolts. ) is threadedly connected with a movable block (4), a movable plate (41) is fixedly installed at the center of both ends of one side of the movable block (4) by bolts, the support plate (3) movable on the outside of the side frame (2) is fixedly installed between the top ends of the movable plate (41) by bolts, a plurality of connecting conduits (31) are evenly installed at the center of one side of the support plate (3) by bolts, and the bottom end of the connecting conduit (31) is located at the bottom side of the support plate (3) and is fixedly installed with a head mold (32) for fixing the gas mask by bolts.

2. The air tightness detection device for labor protection products according to claim 1, characterized in that: Support feet (11) are fixedly installed around the bottom of the detection water tank (1) by bolts, and a support pad made of rubber material is fixedly installed on one side of the bottom of the support foot (11) by bolts.

3. The air tightness detection device for labor protection products according to claim 1, characterized in that: A water reservoir (12) is provided on the top of the detection water tank (1) at the center of one side of the side frame (2), and the head mold (32) moves in the water reservoir (12) in the detection water tank (1).

4. The air tightness detection device for labor protection products according to claim 1, characterized in that: The top end of the screw rod (24) passes through the bearing (23) and extends to the top outside of the side frame (2), and the output end of the servo motor (22) is fixedly mounted on the top end of the screw rod (24).

5. The air tightness detection device for labor protection products according to claim 1, characterized in that: Limit rods (25) are fixedly installed in the side frame (2) at the centers of both sides of the screw rod (24) by means of bolts, and both ends of the movable block (4) are movably inserted into the limit rods (25).

6. The air tightness detection device for labor protection products according to claim 1, characterized in that: A movable groove (26) is provided at the center of both ends of one side of the side frame (2), and the movable plate (41) movably passes through the movable groove (26).

7. The air tightness detection device for labor protection products according to claim 1, characterized in that: An air pump (33) is fixedly installed at the center of one side of the top of the support plate (3) by means of bolts, and the output end of the air pump (33) is connected to a conduit (34). The top of the connecting conduit (31) is located at one side of the top of the support plate (3) and is sealed and connected to a connecting seat (35) by means of bolts, and the other end of the conduit (34) is fixedly installed on the connecting seat (35). An air outlet (36) communicating with the connecting conduit (31) is provided at the oral cavity of the head mold (32).

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