CN210071514U - Pressure testing device with continuously adjustable pressure - Google Patents
Pressure testing device with continuously adjustable pressure Download PDFInfo
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- CN210071514U CN210071514U CN201920866474.2U CN201920866474U CN210071514U CN 210071514 U CN210071514 U CN 210071514U CN 201920866474 U CN201920866474 U CN 201920866474U CN 210071514 U CN210071514 U CN 210071514U
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- lubricating sleeve
- continuously adjustable
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Abstract
The utility model discloses a pressure testing device with continuously adjustable pressure, which comprises a loading base, wherein a stand column is arranged on the loading base, a screw rod is arranged in the stand column, two ends of the screw rod are respectively arranged at the top ends of the loading base and the stand column through rotating shafts, a lifting adjusting nut is also arranged at the top end of the stand column, and the lifting adjusting nut is fixedly connected with the screw rod; the screw rod is in threaded connection with a movable cross beam, a guide sleeve is mounted on the movable cross beam, an upper self-lubricating sleeve and a lower self-lubricating sleeve are mounted at the upper end and the lower end of the guide sleeve respectively, a spring is arranged in the guide sleeve, an ejector rod sequentially penetrates through the upper self-lubricating sleeve, the spring and the lower self-lubricating sleeve, a round table is arranged between the spring and the lower self-lubricating sleeve on the guide rod, a pressure adjusting nut and a fastening nut are mounted on the upper self-lubricating sleeve on the guide rod through threads, and a pressure head is mounted at the lower end of the guide rod. The utility model has the characteristics of simple structure, but pressure range continuous regulation, convenient operation, the stable performance is reliable.
Description
Technical Field
The utility model relates to an electronic product quality testing technical field, a pressure measurement equipment for electronic product button specifically says so.
Background
Products such as mobile phones, computers, automobile center consoles, electronic watches, game consoles, remote controllers or control panels of various electric appliances and the like are the most frequently used electronic products in daily life. In using these products, various buttons such as a silicone key and a metal dome key are frequently used, and therefore, the pressing life of the key becomes the most important performance index. The press test must be verified under the specified pressure, the pressure required by the test of different keys is different, the traditional method is realized by additionally installing weights with different weights, the use is inconvenient, the load adjusting range is limited, and the continuous adjustment and test of the pressure cannot be realized.
SUMMERY OF THE UTILITY MODEL
The task of the utility model is to provide a pressure test device that pressure adjustment is convenient, and can realize pressure continuity and adjust to above-mentioned technical problem exactly.
The technical means is as follows: the utility model discloses a pressure testing device with continuously adjustable pressure, which comprises a loading base, wherein a stand column is arranged on the loading base, a height reference dividing ruler is arranged on the stand column, a screw rod is arranged in the stand column, two ends of the screw rod are respectively arranged at the top ends of the loading base and the stand column through rotating shafts, a lifting adjusting nut is also arranged at the top end of the stand column, and the lifting adjusting nut is fixedly connected with the screw rod; a movable cross beam is connected to the screw in a threaded manner, a pointer is arranged on the movable cross beam at a position corresponding to the height reference scale, and a pressure testing head is mounted on the movable cross beam; the pressure testing head comprises a guide sleeve, the guide sleeve is arranged on a cross beam, an upper self-lubricating sleeve and a lower self-lubricating sleeve are respectively arranged at the upper end and the lower end of the guide sleeve, a spring is arranged in the guide sleeve, an ejector rod sequentially penetrates through the upper self-lubricating sleeve, the spring and the lower self-lubricating sleeve, a round table is arranged on the guide rod between the spring and the lower self-lubricating sleeve, a pressure adjusting nut and a fastening nut are arranged on the guide rod in a threaded manner above the upper self-lubricating sleeve, and a pressure head is arranged at the lower end of the guide rod;
wherein, horizontal foot cups are arranged below four corners of the carrying base; the lifting adjusting nut is connected with the top surface of the upright column through a rolling bearing, and an electronic scale used for adjusting and verifying whether the applied pressure meets the requirement is arranged, and the electronic scale is placed on the carrying platform during use.
Has the advantages that: the utility model discloses a but pressure continuous regulation's pressure test device simple structure can realize the pressure range continuous regulation, convenient operation, the stable performance is reliable.
Drawings
Fig. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic structural diagram of the middle pressure testing head of the present invention.
Detailed Description
As shown in figures 1 and 2, the utility model discloses a pressure testing device with continuously adjustable pressure, which comprises a loading base 1, horizontal foot cups 10 arranged below four corners of the loading base 1, an upright post 2 is arranged on the carrying base 1, a height reference graduated scale 7 is arranged outside the upright post 2, a screw rod 3 is arranged in the upright post 2, a lifting adjusting nut 4 is arranged at the top end of the upright post 2 through a rolling bearing 5, the lifting adjusting nut 4 is fixedly connected with a screw rod 3, the screw rod 3 is in threaded connection with a movable cross beam 6, the lifting adjusting nut 4 is manually rotated to drive the screw rod 3 to rotate, and further drive the cross beam 6 to move up and down along with the screw rod 3, the pointer 8 is arranged at the position, corresponding to the height reference dividing ruler 7, on the movable cross beam 6, and the purpose of arranging the height reference dividing ruler 7 and the pointer 8 is to facilitate the experimenter to refer to the height of the cross beam 6 and quickly debug the pressure. The front end of the movable beam 6 is provided with a pressure testing head 9; the pressure testing head 9 comprises a guide sleeve 96, the guide sleeve 96 is installed on the cross beam 6, an upper self-lubricating sleeve 94 and a lower self-lubricating sleeve 97 are installed at the upper end and the lower end of the guide sleeve 96 respectively, a spring 95 is arranged in the guide sleeve 96, the ejector rod 91 sequentially penetrates through the upper self-lubricating sleeve 94, the spring 95 and the lower self-lubricating sleeve 97, a circular truncated cone 911 is fixedly arranged on the ejector rod and is positioned between the lower self-lubricating sleeve 97 and the spring 95, a pressure adjusting nut 93 and a fastening nut 92 are installed on the guide rod 91 above the upper self-lubricating sleeve 94 in a threaded mode, and a pressure head 98 is installed at the.
The pressure measuring head calibration is completed before use, and the method comprises the following steps: an electronic scale is flatly placed on a loading base 1, a lifting adjusting nut 4 is rotated, a cross beam 6 drives a pressure testing head 9 to press down the electronic scale, an ejector rod 91 moves upwards under the action of pressure, a circular truncated cone 911 extrudes a spring 95, after the pressure to be tested is reached, the lifting adjusting nut 4 is rotated to stop rotating, the pressure adjusting nut 93 rotates downwards until the pressure adjusting nut abuts against an upper self-lubricating sleeve 94, and the force storage of the spring 95 is the pressure to be tested.
After the pressure calibration is completed, the object to be measured is placed on the object carrying base 1, the pressure head 98 is abutted to the object to be measured by rotating the lifting adjusting nut 4, the pressure adjusting nut 93 is lifted, and the force storage of the spring 95 is released.
Claims (5)
1. A pressure testing device with continuously adjustable pressure is characterized in that: the device comprises a carrying base, wherein an upright post is arranged on the carrying base, a screw rod is arranged in the upright post, two ends of the screw rod are respectively arranged at the top ends of the carrying base and the upright post through rotating shafts, and a lifting adjusting nut is also arranged at the top end of the upright post and fixedly connected with the screw rod; a movable cross beam is connected to the screw in a threaded manner, and a pressure testing head is mounted on the movable cross beam;
the pressure testing head comprises a guide sleeve, the guide sleeve is arranged on a cross beam, an upper self-lubricating sleeve and a lower self-lubricating sleeve are respectively arranged at the upper end and the lower end of the guide sleeve, a spring is arranged in the guide sleeve, an ejector rod sequentially penetrates through the upper self-lubricating sleeve, the spring and the lower self-lubricating sleeve, a round table is arranged on the guide rod between the spring and the lower self-lubricating sleeve, a pressure adjusting nut and a fastening nut are arranged on the guide rod in a threaded mode above the upper self-lubricating sleeve, and a pressure head is arranged at the lower end of the guide rod.
2. The pressure continuously adjustable pressure test apparatus of claim 1, wherein: horizontal foot cups are arranged below four corners of the object carrying base.
3. The pressure continuously adjustable pressure test apparatus of claim 1, wherein: and a height reference graduated scale is arranged on the upright post, and a pointer is arranged at the position, corresponding to the height reference graduated scale, on the movable cross beam.
4. The pressure continuously adjustable pressure test apparatus of claim 1, wherein: the lifting adjusting nut is connected with the top surface of the upright post through a rolling bearing.
5. A pressure continuously adjustable pressure test apparatus as claimed in claim 1 or 2 or 3 or 4, wherein: the pressure testing device with the continuously adjustable pressure further comprises an electronic scale, and the electronic scale is placed on the carrying platform and used for adjusting and verifying the pressure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866474.2U CN210071514U (en) | 2019-06-11 | 2019-06-11 | Pressure testing device with continuously adjustable pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920866474.2U CN210071514U (en) | 2019-06-11 | 2019-06-11 | Pressure testing device with continuously adjustable pressure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210071514U true CN210071514U (en) | 2020-02-14 |
Family
ID=69457062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920866474.2U Active CN210071514U (en) | 2019-06-11 | 2019-06-11 | Pressure testing device with continuously adjustable pressure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210071514U (en) |
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2019
- 2019-06-11 CN CN201920866474.2U patent/CN210071514U/en active Active
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