CN219200737U

CN219200737U - Air tightness detection device for pneumatic element

Info

Publication number: CN219200737U
Application number: CN202222773208.XU
Authority: CN
Inventors: 阮光明; 阮振轩
Original assignee: Ji'nan Yize Zhante Machinery Co ltd
Current assignee: Ji'nan Yize Zhante Machinery Co ltd
Priority date: 2022-10-20
Filing date: 2022-10-20
Publication date: 2023-06-16
Anticipated expiration: 2032-10-20

Abstract

The application relates to the technical field of air tightness detection and discloses an air tightness detection device for a pneumatic element, which comprises a support and a detection box arranged in the support in a drawing manner, wherein the top of the detection box is provided with an opening, a pressing rod positioned at the top of the detection box is connected to the support in a threaded manner, and a positioning assembly used for positioning the pneumatic element is arranged in the detection box. This application is through setting up support, detection case, pressure application pole and locating component, reduces the condition that the support influences the staff and installs pneumatic element in the detection case and take place, has reduced the staff promptly and has installed pneumatic element to the required time in the detection case, and then reaches the effect that conveniently carries out the gas tightness to pneumatic element.

Description

Air tightness detection device for pneumatic element

Technical Field

The application relates to the technical field of air tightness detection, in particular to an air tightness detection device for a pneumatic element.

Background

Pneumatic elements are elements that work by the force produced by the pressure or expansion of a gas, i.e. a machine that converts the elastic energy of compressed air into kinetic energy, most commonly a cylinder and a pneumatic motor. Air tightness is a very important index for pneumatic components, and the quality of air tightness directly influences the performance of the pneumatic components.

In the related art, chinese patent publication No. CN213632564U discloses an airtight detection device for a pneumatic element, which comprises a detection box, two supporting screws are fixedly connected to two sides of the detection box, one end of each supporting screw, which is far away from the detection box, is connected with an extension screw in a threaded manner, one end of each extension screw, which is far away from each supporting screw, is fixedly connected with a supporting block, two groups of fixing springs are fixedly connected to the bottom of the inner side wall of the detection box, two groups of fixing springs are fixedly connected with a clamping plate at one end, which is far away from the detection box, of each fixing spring, a fixing frame is fixedly connected to the top of the detection box, a fixing ring is fixedly connected to the top of the fixing frame, an auxiliary frame is fixedly connected to the top of the fixing ring, a detection screw, which extends to the inner side of the auxiliary ring and is in threaded connection with the auxiliary ring, is fixedly connected to the top of the detection screw, a rotating handle is fixedly connected to the bottom of the detection screw, and balls are embedded in the bottom of the fixing block.

When the air tightness of the pneumatic element is detected, the pneumatic element passes through the fixing frame and the auxiliary frame to be placed in the detection box, then the pneumatic element is clamped by the two clamping plates, the pneumatic element is positioned under the detection screw, the detection screw is screwed, the detection screw moves towards the direction where the pneumatic element is positioned, the detection screw presses the pneumatic element, if the air tightness of the pneumatic element is poor, bubbles can appear in the detection box, and if the air tightness of the pneumatic element is strong, the bubbles can not be generated in the detection box.

With respect to the related art, the inventor considers that when the pneumatic element is placed in the detection box, the fixing frame and the auxiliary frame can block the arm of the worker, so that the worker is inconvenient to install the pneumatic workpiece in the detection box, and the defect that the tightness of the pneumatic workpiece is inconvenient to detect exists.

Disclosure of Invention

In order to conveniently detect the air tightness of the pneumatic element, the application provides an air tightness detection device for the pneumatic element.

The application provides an airtight detection device for pneumatic element adopts following technical scheme:

the utility model provides a pneumatic element is with gas tightness detection device, includes support and pull setting detection case in the support, the top of detection case is uncovered setting, threaded connection has to be located on the support the pressure bar of detection case top, be provided with the locating component that is used for carrying out the location to pneumatic element in the detection case.

Through adopting above-mentioned technical scheme, when detecting pneumatic element, take out the detection case from the support earlier, install pneumatic element in the locating component again, make locating component carry out the location to pneumatic element, then pour water in the detection case, make water not pass the top of pneumatic element, then promote the detection case in the frame, pneumatic element is located under the pressure bar this moment, twist the pressure bar again, the relative rotation takes place for pressure bar and support, thereby make the one end that is close to pneumatic element of pressure bar and pneumatic element contact and exert pressure to pneumatic element, if can produce the bubble in the detection case, the gas tightness of explanation pneumatic element is relatively poor, if the bubble does not appear in the detection case, it is better to indicate pneumatic element's gas tightness, realize the detection to pneumatic element gas tightness promptly, reduce the support in this process and influence the condition emergence that pneumatic element was installed to the detection case to pneumatic element, the staff's required time is installed to the detection case promptly, and then reach the effect that conveniently carries out gas tightness detection to pneumatic element.

Optionally, the positioning assembly includes a plurality of positioning tubes with different diameters, and a plurality of positioning tubes are all slidably connected in the detection box.

Through adopting above-mentioned technical scheme, when carrying out the gas tightness to the pneumatic component of different models, select the locating tube of corresponding size earlier according to the model of pneumatic component, then slide suitable locating tube, the locating tube takes place the relative slip with the detection case, then make suitable locating tube move to the central point who detects the case put, thereby make the detection case that installs pneumatic component insert in the support in, pneumatic component is located the whole below of exerting the depression bar, increase the flexibility of gas tightness detection device on the one hand, on the other hand make things convenient for the staff to aim at pneumatic component and exerting the depression bar.

Optionally, the bottom wall of the detection box is provided with a ring groove and a communication groove communicated with the ring groove, and the bottom of each positioning tube is fixedly connected with a sliding shaft in sliding fit with the ring groove and the communication groove.

Through adopting above-mentioned technical scheme, when carrying out the gas tightness to pneumatic element of different models, confirm suitable registration arm according to pneumatic element's model earlier, then slide suitable registration arm, the registration arm is driving the sliding shaft motion, and the sliding shaft takes place relative slip with the annular, makes the sliding shaft slide to the intercommunication groove through the position of annular and intercommunication groove intercommunication in, and makes suitable registration arm be located the intermediate position of detecting the case, accomplishes promptly and adjusts suitable registration arm.

Optionally, the slot opening of the ring groove and the communicating groove perpendicular to the opening direction of the communicating groove is of a T shape, and the bottom of each sliding shaft is fixedly connected with a connecting sheet positioned in the ring groove and the communicating groove.

Through adopting above-mentioned technical scheme, when sliding the registration arm, the registration arm is driving the sliding shaft motion, and the sliding shaft is driving the connection piece motion, and the connection piece takes place relative slip with annular or intercommunication groove, can make the condition of registration arm and detection case separation take place through setting up the connection piece, increases the connection stability of registration arm and detection case promptly.

Optionally, a handle convenient for the operation of staff is fixedly connected with one side of the detection box.

Through adopting above-mentioned technical scheme, when operating the detection box, the staff can directly operate the handle, makes the handle drive the detection box motion then, has reduced promptly and has led to the inconvenient condition emergence that carries out the pull to the detection box of staff because of detection box surface smoothness, and then reaches the effect of being convenient for the staff to carry out the pull to the detection box.

Optionally, a guide plate positioned at the top of the detection box is fixedly connected in the bracket, and the pressure applying rod is in threaded connection with the guide plate.

Through adopting above-mentioned technical scheme, when twisting the pole that applies pressure, the pole that applies pressure takes place relative rotation with the deflector, makes the pole that applies pressure towards the direction motion that is close to the detection case then, through setting up the deflector, can increase the stability of the pole that applies pressure, reduces the circumstances emergence of the pole skew that applies pressure.

In summary, the present application includes at least one of the following beneficial technical effects:

1. by arranging the bracket, the detection box, the pressure applying rod and the positioning assembly, the occurrence of the condition that the bracket influences the worker to install the pneumatic element in the detection box is reduced, namely the time required by the worker to install the pneumatic element in the detection box is reduced, and the effect of conveniently detecting the air tightness of the pneumatic element is achieved;

2. by arranging a plurality of positioning pipes with different diameters, on one hand, the flexibility of the air tightness detection device is improved, and on the other hand, the pneumatic element and the pressurizing rod are aligned conveniently by a worker;

3. through setting up annular, intercommunication groove and slide shaft, when carrying out the gas tightness to pneumatic element of different models, confirm suitable registration arm according to pneumatic element's model earlier, then slide suitable registration arm, the registration arm is driving the slide shaft motion, slide shaft and annular take place the relative slip, then make the slide shaft slide to the intercommunication inslot through the position of annular and intercommunication groove intercommunication to make suitable registration arm be located the intermediate position of detecting the case, accomplish promptly and adjust suitable registration arm.

Drawings

FIG. 1 is a schematic view of the overall structure of an air tightness detection device according to an embodiment of the present application;

FIG. 2 is a schematic view of another view angle structure of the air tightness detecting device according to the embodiment of the present application;

FIG. 3 is a top view of a test box in the air tightness test device according to the embodiment of the present application;

fig. 4 is a sectional view of a detection case in the air tightness detection device of the embodiment of the present application.

Reference numerals illustrate: 100. a bracket; 110. a guide plate; 120. a pressing rod; 121. a hand wheel; 200. a detection box; 210. a handle; 220. a ring groove; 230. a communication groove; 300. a positioning assembly; 310. a positioning tube; 311. a slide shaft; 312. and a connecting sheet.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses an air tightness detection device for a pneumatic element.

Referring to fig. 1 and 2, an air-tightness detecting device for a pneumatic element includes a bracket 100 and a detecting box 200, wherein the top of the detecting box 200 is provided to be opened, and the detecting box 200 is drawn into the bracket 100, thereby allowing a worker to draw the detecting box 200 to the outside of the bracket 100. The guide plate 110 is fixedly connected in the bracket 100, the guide plate 110 is positioned at the top of the detection box 200, the pressing rod 120 is connected to the bracket 100 in a threaded manner, one end of the pressing rod 120 penetrates through the guide plate 110 in a threaded manner, and after the detection box 200 is mounted on the bracket 100, the pressing rod 120 and the detection box 200 are in a coaxial state. The end of the pressurizing rod 120 far away from the detection box 200 is coaxially and fixedly connected with a hand wheel 121. The handle 210 is fixedly connected to the detection box 200, and the positioning assembly 300 is arranged in the detection box 200, and the positioning assembly 300 is used for positioning the pneumatic element, so that the pneumatic element installed in the detection box 200 is located right below the pressure applying rod 120.

When the air tightness of the pneumatic element is checked, the handle 210 is pulled firstly, the handle 210 drives the detection box 200 to move, the detection box 200 moves to the outside of the support 100, then the pneumatic element is installed on the positioning component 300, the positioning component 300 positions the position of the pneumatic element, then water is poured into the detection box 200, the pneumatic element is enabled to be not passed through the pneumatic element, then the detection box 200 is pushed into the support 100, then the pneumatic element is enabled to be located under the pressure applying rod 120, the pressure applying rod 120 is screwed again, the pressure applying rod 120 and the support 100 rotate relatively, the pressure applying rod 120 rotates relatively with the guide plate 110, the pressure applying rod 120 contacts with the pneumatic element and applies pressure to the pneumatic element, if air bubbles are generated in the detection box 200 at this time, the air tightness of the pneumatic element is poor, if the air bubbles are not generated in the detection box 200, the air tightness of the pneumatic element is good, the detection of the pneumatic element is finished, the situation that the pneumatic element is difficult to install in the detection box 200 by workers is reduced in the process, and the effect of being convenient for detecting the pneumatic element is achieved.

Referring to fig. 1, 3 and 4, the positioning assembly 300 includes a plurality of positioning pipes 310 having different diameters, a ring groove 220 is formed in the inner bottom wall of the detection box 200, a communication groove 230 located in the ring groove 220 is formed in the inner bottom wall of the detection box 200, two communication grooves 230 are formed and are perpendicular to each other, and each communication groove 230 is communicated with the ring groove 220. The cross section of each of the communication groove 230 and the ring groove 220 perpendicular to the opening direction thereof is T-shaped. The bottom end of each positioning tube 310 is closed, the bottom of each positioning tube 310 is fixedly connected with a sliding shaft 311 positioned in the ring groove 220 or the communication groove 230, and one end of the sliding shaft 311 away from the positioning tube 310 is fixedly connected with a connecting sheet 312 positioned in the ring groove 220 or the communication groove 230.

When detecting pneumatic elements of different types, firstly, selecting a proper positioning tube 310 according to the type of the pneumatic element, then sliding the proper positioning tube 310, then enabling the proper positioning tube 310 to drive a sliding shaft 311 to move, enabling the sliding shaft 311 to drive a connecting piece 312 to move, namely, enabling the sliding shaft 311 and the connecting piece 312 to slide in a ring groove 220, finally enabling the proper positioning tube 310 to slide into a communicating groove 230 and be in a coaxial state with a detection box 200, then inserting the pneumatic element into the positioning tube 310, enabling the inner wall of the positioning tube 310 to be in contact with the peripheral surface of the pneumatic element, at the moment, enabling the pneumatic element to be in a vertical state, pouring water into the detection box 200 and pushing the detection box 200 into a support 100, and finally screwing a pressurizing rod 120, thus completing the detection of the air tightness of the pneumatic element.

The implementation principle of the air tightness detection device for the pneumatic element in the embodiment of the application is as follows: there are two types of pneumatic elements, one of which is a cylinder and the other is a pneumatic motor. When the air tightness of the air motor is detected, the detection box 200 is pulled out of the bracket 100, then the air motor is placed in the detection box 200, so that the air motor is in contact with the positioning tube 310, water is supplied to the detection box 200, the air motor is supplied with air, and whether air bubbles are generated in the detection box 200 is observed; when the air tightness of the air cylinder is detected, the positioning pipe 310 matched with the air cylinder is adjusted, the cylinder body of the air cylinder is inserted into the positioning pipe 310, water is poured into the detection box 200, the water is enabled to permeate through the air cylinder, the detection box 200 is pushed into the bracket 100, the pressure applying rod 120 is screwed, the pressure applying rod 120 applies pressure to the piston rod of the air cylinder, at the moment, whether air bubbles exist in the detection box 200 or not is observed, and the air tightness detection of the pneumatic element is completed.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. An air tightness detection device for a pneumatic element is characterized in that: including support (100) and pull setting are in detect case (200) in support (100), the top of detecting case (200) is uncovered setting, threaded connection has to be located on support (100) pressure bar (120) at detect case (200) top, be provided with in detect case (200) and be used for carrying out locating component (300) that fix a position pneumatic element, fixedly connected with is located deflector (110) at detect case (200) top in support (100), pressure bar (120) with deflector (110) threaded connection.

2. The air tightness detecting device for a pneumatic element according to claim 1, wherein: the positioning assembly (300) comprises a plurality of positioning pipes (310) with different diameters, and the positioning pipes (310) are all connected in the detection box (200) in a sliding mode.

3. The air tightness detecting device for a pneumatic element according to claim 2, wherein: the bottom wall of the detection box (200) is provided with a ring groove (220) and a communication groove (230) communicated with the ring groove (220), and the bottom of each positioning tube (310) is fixedly connected with a sliding shaft (311) which is in sliding fit with the ring groove (220) and the communication groove (230).

4. A pneumatic element air tightness detecting device according to claim 3, wherein: the groove opening of the ring groove (220) and the communicating groove (230) perpendicular to the opening direction of the groove opening is T-shaped, and the bottom of each sliding shaft (311) is fixedly connected with a connecting sheet (312) positioned in the ring groove (220) and the communicating groove (230).

5. The air tightness detecting device for a pneumatic element according to claim 1, wherein: one side of the detection box (200) is fixedly connected with a handle (210) which is convenient for a worker to operate.