CN217002491U - Shielding test does not have metal power pneumatic mechanism - Google Patents
Shielding test does not have metal power pneumatic mechanism Download PDFInfo
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- CN217002491U CN217002491U CN202123107597.4U CN202123107597U CN217002491U CN 217002491 U CN217002491 U CN 217002491U CN 202123107597 U CN202123107597 U CN 202123107597U CN 217002491 U CN217002491 U CN 217002491U
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Abstract
The utility model discloses a metal-free power pneumatic mechanism for shielding test, which comprises a glass fiber fixing seat, a glass cylinder body, a plastic cover plate, a plastic piston rod and a sealing ring, wherein the glass cylinder body is arranged in the glass fiber fixing seat in a penetrating mode, the plastic cover plate is pressed at the rear end of the glass cylinder body and is fixed with the rear end of the glass fiber fixing seat, the plastic piston rod is arranged in the glass cylinder body in a penetrating mode, the sealing ring is sleeved on the periphery of the plastic piston rod and is in contact with the inner wall of the glass cylinder body, a closed cavity is formed between the rear end of the plastic piston rod and the glass cylinder body as well as between the rear end of the plastic piston rod and the plastic cover plate, the front end of the plastic piston rod extends out of the front end of the glass cylinder body, an open cavity formed between the middle of the plastic piston rod and the glass cylinder body is communicated with the outside, a sealing ring is arranged between the plastic cover plate and the rear end of the glass cylinder body, an air hole is formed in the plastic air hole, and a plastic air pipe joint is arranged in the air hole. All parts of the utility model are made of nonmetal so as to meet the working requirement of the shielding box test, ensure the stable plugging and unplugging test of the USB interface of the product and avoid the abnormal shielding test.
Description
The technical field is as follows:
the utility model relates to the technical field of mechanical automation, in particular to a metal-free power pneumatic mechanism for shielding test.
Background art:
in the existing shielding box test, the USB interface of a product needs to be plugged and unplugged, but a metal power actuator is not allowed to exist in the shielding box, otherwise, the test is abnormal, and a set of non-metal power pneumatic mechanism is developed to drive the USB to realize automatic plugging and unplugging aiming at the condition.
In view of the above, the present inventors propose the following.
The utility model has the following contents:
the utility model aims to overcome the defects in the prior art and provides a metal-free power pneumatic mechanism for shielding test.
In order to solve the technical problems, the utility model adopts the following technical scheme: the shielding test metal-free power comprises a glass fiber fixing seat, a glass cylinder body penetrating through the glass fiber fixing seat and extending out of the end face of the glass fiber fixing seat, a plastic cover plate pressed at the rear end of the glass cylinder body and fixed with the rear end of the glass fiber fixing seat, a plastic piston rod penetrating through the glass cylinder body and a sealing ring sleeved on the periphery of the plastic piston rod and contacting with the inner wall of the glass cylinder body, wherein a closed cavity is formed between the rear end of the plastic piston rod and the glass cylinder body as well as between the rear end of the plastic piston rod and the plastic cover plate, the front end of the plastic piston rod extends out of the front end of the glass cylinder body, the open cavity formed between the middle part of the plastic piston rod and the glass cylinder body is communicated with the outside, a sealing ring is further arranged between the plastic cover plate and the rear end of the glass cylinder body, an air hole is formed in the middle part of the plastic cover plate, and a plastic air pipe joint is arranged in the air hole.
Furthermore, in the above technical scheme, the rear end of the glass cylinder body is formed with an outward convex edge, the front end face of the plastic cover plate is in contact with the convex edge, and the sealing ring is extruded between the front end face of the plastic cover plate and the convex edge.
Furthermore, in the above technical scheme, four corners of the plastic cover plate are fixed at the rear end of the glass fiber fixing seat through plastic screws.
Further, in the above technical scheme, the glass fiber fixing base is provided with a mounting hole, and the front and rear ports of the mounting hole are provided with inclined chamfers; the glass cylinder body penetrates through the mounting hole.
Furthermore, in the above technical scheme, an annular groove is formed in the front end face of the plastic cover plate, the sealing ring is embedded in the annular groove, and part of the sealing ring also extends out of the annular groove.
Furthermore, in the above technical solution, the number of the metal-free power pneumatic mechanisms is two, and the two metal-free power pneumatic mechanisms are installed on two sides of the bottom plate in a left-right mirror symmetry manner, and the bottom plate is provided with a slide rail and a slide seat which is arranged on the slide rail and can slide relative to the slide rail; the end part of a plastic piston rod of the first metal-free pneumatic mechanism is connected with the left side of the sliding seat, and the end part of a plastic piston rod of the second metal-free pneumatic mechanism is connected with the right side of the sliding seat; the right side of bottom plate is provided with a mounting bracket, is provided with the USB data line on this mounting bracket, and this sliding seat has the year groove that bears the weight of the product, and the outside of this sliding seat is provided with the intercommunication and carries the groove and supply the USB plug male opening in the USB data line.
Further, in the above technical solution, a first bolt and a second bolt are arranged on the end face of the sliding seat, and a rubber band is connected between the first bolt and the second bolt; the end part of the plastic piston rod is formed with a convex disc which protrudes outwards, the front end of the convex disc is contacted with the end surface of the sliding seat, and the rubber band is sleeved on the end part of the plastic piston rod and is arranged at the rear end of the convex disc, so that the convex disc is arranged between the rubber band and the end surface of the sliding seat.
Furthermore, in the above technical solution, a sliding groove is provided inside the sliding rail, and a sliding flange formed outside the sliding seat is embedded into the sliding groove.
After adopting the technical scheme, compared with the prior art, the utility model has the following beneficial effects: all parts of the metal-free power pneumatic mechanism are made of nonmetal so as to meet the working requirement of the shielding box test, ensure the stable plugging and unplugging test of the USB interface of the product and avoid abnormal shielding test; the utility model adopts the glass cylinder body, and the sliding condition of the plastic piston rod can be observed at any time, so that the maintenance is convenient.
Description of the drawings:
FIG. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
FIG. 3 is an assembly view of the present invention;
fig. 4 is an assembly view from another perspective of the present invention.
The specific implementation mode is as follows:
the utility model is further illustrated below with reference to specific embodiments and the accompanying drawings.
As shown in fig. 1-4, the metal-free power pneumatic mechanism for shielding test comprises a glass fiber fixing base 11, a glass cylinder 12 penetrating the glass fiber fixing base 11 and extending out of the end surface of the glass fiber fixing base 11, a plastic cover plate 13 press-fitted at the rear end of the glass cylinder 12 and fixed to the rear end of the glass fiber fixing base 11, a plastic piston rod 14 penetrating the glass cylinder 12, and a sealing ring 15 sleeved around the plastic piston rod 14 and contacting with the inner wall of the glass cylinder 12, wherein a sealed cavity 101 is formed between the rear end of the plastic piston rod 14 and the glass cylinder 12 and between the plastic cover plate 13, the front end of the plastic piston rod 14 extends out of the front end of the glass cylinder 12, an open cavity formed between the middle part of the plastic piston rod 14 and the glass cylinder 12 is communicated with the outside, and a sealing ring 16 is further arranged between the plastic cover plate 13 and the rear end of the glass cylinder 12, and the middle part of the plastic cover plate 13 is provided with an air hole 131, and a plastic air pipe joint 17 is arranged in the air hole 131. All parts of the metal-free power pneumatic mechanism are made of nonmetal so as to meet the working requirement of the shielding box test, ensure the stable plugging and unplugging test of the USB interface of the product and avoid abnormal shielding test; the present invention employs a glass cylinder 12 which allows the sliding of a plastic piston rod 14 to be observed at all times for ease of maintenance.
The rear end of the glass cylinder 12 is formed with a convex edge 121 protruding outwards, the front end face of the plastic cover plate 13 contacts with the convex edge 121, and the sealing ring 16 is extruded between the front end face of the plastic cover plate 13 and the convex edge 121, so that the glass cylinder 12 is ensured to be stably mounted on the glass fiber fixing seat 11, and the sealing performance is improved. Wherein, four bights of plastic cover plate 13 are all fixed in this fine fixing base 11 rear end of glass through plastic screw 132, guarantee that this plastic cover plate 13 steadily presses in chimb 121 outside, improve the stability of assembly.
The glass fiber fixing seat 11 is provided with a mounting hole 111, the glass cylinder body 12 is arranged in the mounting hole 111 in a penetrating mode, and inclined chamfers are arranged at front and rear ports of the mounting hole 111, so that the glass cylinder body 12 can smoothly penetrate into the mounting hole 111 of the glass fiber fixing seat 11, and assembly is more convenient.
The front end face of the plastic cover plate 13 is provided with an annular groove 133, the sealing ring 16 is embedded in the annular groove 133, and part of the sealing ring 16 extends out of the annular groove 133, so that the sealing ring 16 is stably arranged between the plastic cover plate 13 and the convex edge 121, and the troublesome performance is improved.
The quantity of the metal-free power pneumatic mechanisms 11 is two, the metal-free power pneumatic mechanisms are installed on two sides of the bottom plate 2 in a left-right mirror symmetry mode, the plastic air pipe connectors 17 of the two metal-free power pneumatic mechanisms 11 are connected with two-position five-way electromagnetic valves through pipelines, and the two metal-free power pneumatic mechanisms 11 are controlled to work by supplying air to the two metal-free power pneumatic mechanisms 11 through the two-position five-way electromagnetic valves.
The bottom plate 2 is provided with a slide rail 21 and a slide seat 22 which is arranged on the slide rail 21 and can slide relative to the slide rail 21; the end part of a plastic piston rod 14 of the first metal-free power pneumatic mechanism 1 is connected with the left side of the sliding seat 22, and the end part of a plastic piston rod 14 of the second metal-free power pneumatic mechanism 1 is connected with the right side of the sliding seat 22; the right side of the bottom plate 2 is provided with a mounting frame 3, the mounting frame 3 is provided with a USB data line 4, the sliding seat 22 is provided with a loading groove 221 for loading a product, and the outer side of the sliding seat 22 is provided with an opening 222 which is communicated with the loading groove 221 and is used for inserting the USB plug 41 in the USB data line 4. When the device works, the first metal-free power pneumatic mechanism 1 positioned on the left side extends out of the glass cylinder body 12 through the plastic piston rod 14 to push the sliding seat 22 to move rightwards, so that the USB interface of a product loaded by the loading groove 221 in the sliding seat 22 is oppositely inserted with the USB plug 41 in the USB data line 4; at this time, the plastic piston rod 14 of the second metal-free power pneumatic mechanism 1 retracts into the glass cylinder 12. When the USB plug 41 in the USB data line 4 needs to be pulled out relative to the USB interface of the product, the second metal-free pneumatic mechanism 1 on the right side extends out of the glass cylinder 12 through the plastic piston rod 14 to push the sliding seat 22 to move left, so that the USB plug 41 is pulled out relative to the USB interface of the product, thereby implementing the plug-in test of the USB structure.
The inner side of the slide rail 21 is provided with a slide groove 211, and a slide flange 220 formed on the outer side of the slide seat 22 is embedded in the slide groove 211.
A first bolt 223 and a second bolt 224 are arranged on the end face of the sliding seat 22, and a rubber band 5 is connected between the first bolt 223 and the second bolt 224; the end of the plastic piston rod 14 is formed with a convex disc 141 protruding outwards, the front end of the convex disc 141 is in contact with the end face of the sliding seat 22, and the rubber band 5 is sleeved on the end of the plastic piston rod 14 and is arranged at the rear end of the convex disc 141, so that the convex disc 141 is arranged between the rubber band 5 and the end face of the sliding seat 22, the plastic piston rod 14 and the sliding seat 22 realize floating contact, and the stress on the plastic piston rod 14 caused by abnormal sliding of the sliding seat 22 can be reduced, thereby ensuring the service life of the metal-free pneumatic mechanism, and particularly better protecting the glass cylinder body 12.
In summary, all parts of the metal-free power pneumatic mechanism are made of nonmetal, so that the working requirement of the shielding box test is met, the stable plugging and unplugging test of the USB interface of the product is ensured, and the shielding test is not abnormal; the present invention employs a glass cylinder 12 which allows the sliding of a plastic piston rod 14 to be observed at all times for ease of maintenance.
It should be understood that the above description is only exemplary of the present invention, and is not intended to limit the scope of the present invention, which is defined by the appended claims.
Claims (8)
1. The utility model provides a shielding test does not have metal power pneumatic mechanism which characterized in that: the metal-free power pneumatic mechanism (1) comprises a glass fiber fixing seat (11), a glass cylinder body (12) which is arranged in the glass fiber fixing seat (11) in a penetrating way and extends out of the end surface of the glass fiber fixing seat (11), a plastic cover plate (13) which is arranged at the rear end of the glass cylinder body (12) in a pressing way and is fixed with the rear end of the glass fiber fixing seat (11), a plastic piston rod (14) which is arranged in the glass cylinder body (12) in a penetrating way and a sealing ring (15) which is sleeved on the periphery of the plastic piston rod (14) and is contacted with the inner wall of the glass cylinder body (12), a closed cavity (101) is formed between the rear end of the plastic piston rod (14) and the glass cylinder body (12) as well as the plastic cover plate (13), the front end of the plastic piston rod (14) extends out of the front end of the glass cylinder body (12), and an open cavity formed between the middle part of the plastic piston rod (14) and the glass cylinder body (12) is communicated with the outside, a sealing ring (16) is arranged between the plastic cover plate (13) and the rear end of the glass cylinder body (12), an air hole (131) is arranged in the middle of the plastic cover plate (13), and a plastic air pipe joint (17) is arranged in the air hole (131).
2. The metal-free power pneumatic mechanism for the shielding test according to claim 1, wherein: the rear end of the glass cylinder body (12) is formed with a convex edge (121) protruding outwards, the front end face of the plastic cover plate (13) is in contact with the convex edge (121), and the sealing ring (16) is extruded between the front end face of the plastic cover plate (13) and the convex edge (121).
3. The metal-free power pneumatic mechanism for shielding test according to claim 2, wherein: four corners of the plastic cover plate (13) are fixed at the rear end of the glass fiber fixing seat (11) through plastic screws (132).
4. The metal-free power pneumatic mechanism for the shielding test according to claim 1, wherein: the glass fiber fixing seat (11) is provided with a mounting hole (111), and the front and rear ports of the mounting hole (111) are provided with inclined chamfers; the glass cylinder body (12) is arranged in the mounting hole (111) in a penetrating mode.
5. The metal-free power pneumatic mechanism for shielding test according to claim 3, wherein: the front end face of the plastic cover plate (13) is provided with an annular groove (133), the sealing ring (16) is embedded in the annular groove (133), and the local part of the sealing ring (16) also extends out of the annular groove (133).
6. The metal-free power pneumatic mechanism for shielding test according to any one of claims 1 to 5, wherein: the metal-free power pneumatic mechanisms (1) are two in number, are arranged on two sides of the bottom plate (2) in a left-right mirror symmetry mode, and are provided with slide rails (21) and slide seats (22) which are arranged on the slide rails (21) and can slide relative to the slide rails (21) on the bottom plate (2); the end part of a plastic piston rod (14) of the first metal-free pneumatic mechanism (1) is connected with the left side of the sliding seat (22), and the end part of the plastic piston rod (14) of the second metal-free pneumatic mechanism (1) is connected with the right side of the sliding seat (22); the right side of the bottom plate (2) is provided with a mounting rack (3), the mounting rack (3) is provided with a USB data line (4), the sliding seat (22) is provided with a loading groove (221) for loading a product, and the outer side of the sliding seat (22) is provided with an opening (222) which is communicated with the loading groove (221) and is used for inserting a USB plug (41) in the USB data line (4).
7. The metal-free power pneumatic mechanism for shielding test according to claim 6, wherein: a first bolt (223) and a second bolt (224) are arranged on the end face of the sliding seat (22), and a rubber band (5) is connected between the first bolt (223) and the second bolt (224); the end part of the plastic piston rod (14) is formed with a convex disc (141) which protrudes outwards, the front end of the convex disc (141) is contacted with the end surface of the sliding seat (22), and the rubber band (5) is sleeved on the end part of the plastic piston rod (14) and is arranged at the rear end of the convex disc (141), so that the convex disc (141) is arranged between the rubber band (5) and the end surface of the sliding seat (22).
8. The metal-free power pneumatic mechanism for shielding test according to claim 6, wherein: a sliding groove (211) is formed in the inner side of the sliding rail (21), and a sliding flange (220) formed on the outer side of the sliding seat (22) is embedded into the sliding groove (211).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107597.4U CN217002491U (en) | 2021-12-08 | 2021-12-08 | Shielding test does not have metal power pneumatic mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123107597.4U CN217002491U (en) | 2021-12-08 | 2021-12-08 | Shielding test does not have metal power pneumatic mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217002491U true CN217002491U (en) | 2022-07-19 |
Family
ID=82383203
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202123107597.4U Active CN217002491U (en) | 2021-12-08 | 2021-12-08 | Shielding test does not have metal power pneumatic mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217002491U (en) |
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2021
- 2021-12-08 CN CN202123107597.4U patent/CN217002491U/en active Active
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