CN221037867U - A gas tightness test fixture for fuse box - Google Patents
A gas tightness test fixture for fuse box Download PDFInfo
- Publication number
- CN221037867U CN221037867U CN202322706738.7U CN202322706738U CN221037867U CN 221037867 U CN221037867 U CN 221037867U CN 202322706738 U CN202322706738 U CN 202322706738U CN 221037867 U CN221037867 U CN 221037867U
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- Prior art keywords
- fuse box
- disc
- injection port
- tightness test
- test fixture
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- 238000012360 testing method Methods 0.000 title claims abstract description 23
- 238000002347 injection Methods 0.000 claims abstract description 40
- 239000007924 injection Substances 0.000 claims abstract description 40
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000000694 effects Effects 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 4
- 238000001125 extrusion Methods 0.000 description 5
- 230000003287 optical effect Effects 0.000 description 4
- 239000000243 solution Substances 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000008602 contraction Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012806 monitoring device Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
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- Fuses (AREA)
Abstract
The utility model relates to the technical field of fuse box testing equipment, and particularly discloses an air tightness testing tool for a fuse box. According to the technical scheme, the fuse box can be safely sealed, attached and installed with the first gas injection port and the second gas injection port through the cooperation of the servo electric push rod and the pressure sensor, the tool structure can be used for simultaneously carrying out gas tightness test on the two fuse boxes, the efficiency is high, the situation that the fuse box is damaged due to excessive pressing of the pressure sensor can be avoided, and the problems that the gas tightness test efficiency of the existing fuse box is low and the fuse box is easy to damage in the test process are solved.
Description
Technical Field
The utility model relates to the technical field of fuse box testing equipment, in particular to an air tightness testing tool for a fuse box.
Background
At present, a fuse box is assembled outside the battery pack, and in order to ensure the waterproof performance of the battery pack, the fuse box needs to be subjected to tightness detection. Through retrieving bulletin number (CN 217084072U), a gas tightness test fixture for a fuse box is disclosed, comprising a base, a pressing device and an inflation device. Wherein, closing device installs in the base to closing device has relative motion with the base. The air charging device is provided with an air outlet for supplying air to the fuse box, and the air outlet is provided with a sealing ring.
In the process of realizing the utility model, the inventor finds that at least the following problems in the prior art are not solved; the device adopts the manual extrusion formula structure to carry out the assembly connection with fuse box and inflatable structure, at the in-process that fuse box closely laminates with inflatable structure, lacks extrusion force monitoring devices, appears the fuse box extrusion excessively easily and breaks the circumstances of deformation to above-mentioned frock can only carry out the gas tightness to the holistic half of fuse box to detect, and efficiency is lower, needs to improve, consequently, we propose a gas tightness test fixture for fuse box.
Disclosure of utility model
The utility model aims to provide an air tightness testing tool for a fuse box, which solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions: a gas tightness test fixture for a fuse box comprises a base;
A fuse box;
The pressing structure comprises a fixed seat, a servo electric push rod, a first disc, a second disc and a pressure sensor, wherein the fixed seat is arranged at the top of the base, the pressure sensor is arranged at one side of the second disc, and a singlechip is arranged outside the fixed seat;
The double-station inflatable structure comprises an air pump arranged at the bottom of the base and a hollow seat arranged at the top of the base, wherein a first air injection port and a second air injection port are respectively arranged on two side walls of the hollow seat, the output end of the air pump is communicated with a three-way pipe body, and the three-way pipe body is respectively communicated and connected with the first air injection port and the second air injection port.
As a preferred implementation mode of the technical scheme of the application, square rubber pads are fixedly arranged on two side walls of the hollow seat, through holes are formed in the middle of the square rubber pads, and the first air injection port and the second air injection port are respectively positioned in the through holes of the square rubber pads on the same side.
As a preferred implementation mode of the technical scheme of the application, a push rod of the servo electric push rod is detachably connected with the first disc in a bolt fastening mode, the position of the pressure sensor is positioned between the first disc and the second disc, two polished rod bodies with the same size are fixedly arranged on the surface of one side of the second disc, which faces the first disc, and the polished rod bodies are connected with the surface of the first disc in a penetrating way.
As a preferred implementation mode of the technical scheme of the application, a limit sleeve is arranged at one end of the optical rod body in a threaded manner.
As a preferred implementation mode of the technical scheme of the application, two cushion tables with the same size are integrally formed on the top surface of the base, the two cushion tables are symmetrically arranged relative to the hollow seat, and the fuse box is movably arranged on the surface of the cushion table.
Compared with the prior art, the utility model has the following beneficial effects:
1. according to the technical scheme, the two fuse boxes are respectively covered outside the first gas injection port and the second gas injection port, the servo electric push rod is matched with the pressure sensor to seal and attach the fuse boxes to the first gas injection port and the second gas injection port, the tool structure can be used for simultaneously carrying out gas tightness test on the two fuse boxes, the efficiency is high, the situation that the fuse boxes are damaged due to excessive pressing of the pressure sensor can be avoided, and the problems that the gas tightness test efficiency of the existing fuse boxes is low and the fuse boxes are easy to damage in the test process are solved.
2. According to the technical scheme, the square rubber pads are arranged outside the first gas injection port and the second gas injection port, so that the sealing performance of the fuse box when the fuse box is respectively covered outside the first gas injection port and the second gas injection port is improved, and the pad table is arranged to be beneficial to the sufficient fit contact between the fuse box and the square rubber pads.
Drawings
Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:
FIG. 1 is a front view of an air tightness test fixture for a fuse box according to the present utility model;
FIG. 2 is a schematic view of the hollow seat of the present utility model;
FIG. 3 is a schematic view of the fuse box of the present utility model;
FIG. 4 is a schematic view of a compacting structure of the present utility model;
fig. 5 is a schematic structural view of a dual-station inflatable structure.
In the figure: 1. a base; 2. an air pump; 3. a pad table; 4. a three-way pipe body; 5. a hollow seat; 6. a fixing seat; 7. a servo electric push rod; 8. a first disc; 9. a pressure sensor; 10. a second disc; 11. a fuse box; 12. a first gas injection port; 13. a second gas injection port; 14. square rubber pad; 15. a through hole; 16. and (5) a light rod body.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
Embodiment 1, as shown in fig. 1-5, the present utility model provides a technical solution: the utility model provides a gas tightness test fixture for fuse box, includes base 1;
a fuse box 11;
The pressing structure comprises a fixed seat 6 arranged at the top of the base 1, a servo electric push rod 7, a first disc 8, a second disc 10 and a pressure sensor 9 arranged at one side of the second disc 10, wherein a singlechip is arranged outside the fixed seat 6;
The double-station inflatable structure comprises an air pump 2 arranged at the bottom of a base 1 and a hollow seat 5 arranged at the top of the base 1, wherein a first air injection port 12 and a second air injection port 13 are respectively arranged on two side walls of the hollow seat 5, the output end of the air pump 2 is communicated with a three-way pipe body 4, and the three-way pipe body 4 is respectively communicated and connected with the first air injection port 12 and the second air injection port 13.
In a specific embodiment of the present utility model, the single-chip microcomputer disposed on the surface of the fixing seat 6 includes an electric control component and a controller component, the electric control component can directly and manually control the expansion and contraction of the servo electric push rod 7, the pressure sensor 9 and the controller component perform signal interaction, a threshold value of the pressure sensor 9 is set, when the pressure value of the first disk 8 acting on the pressure sensor 9 exceeds the threshold value of the pressure sensor 9, the controller component of the single-chip microcomputer can automatically control the servo electric push rod 7 to stop moving, when the push rod of the servo electric push rod 7 pushes the second disk 10 to attach the fuse box 11 to the square rubber pad 14 outside the first air injection port 12 or the second air injection port 13, the first disk 8 can continuously press the pressure sensor 9, when the threshold value of the pressure sensor 9 is exceeded, the controller component of the single-chip microcomputer can automatically control the servo electric push rod 7 to stop moving, so as to avoid damage caused by excessive extrusion of the fuse box 11, after the air pump 2 is started, air is discharged from the first air injection port 12 and the second air injection port 13 through the three-way pipe body 4, the surface of the fuse box 11 can be smeared with foam water, and whether the surface of the fuse box 11 is airtight is observed, or not, and the air tightness of the fuse box 11 is detected.
Referring to fig. 1 in some technical solutions, square rubber pads 14 are fixedly mounted on two side walls of the hollow seat 5, through holes 15 are formed in the middle of the square rubber pads 14, the first gas injection ports 12 and the second gas injection ports 13 are respectively located in the through holes 15 of the square rubber pads 14 on the same side, and the square rubber pads 14 can improve the tightness when the fuse box 11 covers the outside of the first gas injection ports 12 and the second gas injection ports 13 respectively.
Referring to fig. 1 in some technical schemes, a push rod of a servo electric push rod 7 is detachably connected with a first disc 8 in a bolt fastening manner, a position of a pressure sensor 9 is located between the first disc 8 and a second disc 10, the pressure sensor 9 is arranged to avoid damage caused by excessively pressing a fuse box 11, two polish rod bodies 16 with the same size are fixedly arranged on one side surface of the second disc 10 facing the first disc 8, the polish rod bodies 16 are in penetrating connection with the surface of the first disc 8, the polish rod bodies 16 can guide the first disc 8 to move towards one side of the second disc 10, gaskets can be adhered on the surface of the second disc 10 according to the specific shape of the fuse box 11, the gaskets on the surface of the second disc 10 are in contact with the outer surface of the fuse box 11, the contact area between the second disc 10 and the fuse box 11 is reduced, and the situation that the air tightness monitoring range is reduced due to overlarge contact area between the second disc 10 and the fuse box 11 is avoided.
Referring to fig. 1 in some technical schemes, two cushion tables 3 with the same size are integrally formed on the top surface of the base 1, the two cushion tables 3 are symmetrically arranged about the hollow seat 5, the fuse box 11 is movably arranged on the surface of the cushion table 3, the thickness of the cushion table 3 is 5mm, and the cushion table 3 can raise the fuse box 11 by 5mm, so that the fuse box 11 is in contact with the square rubber pad 14.
Referring to fig. 1 in some technical schemes, a stop collar is screwed at one end of the optical rod body 16, the stop collar can prevent the optical rod body 16 from being separated from the first disc 8, a through hole is reserved on the surface of the first disc 8, and the optical rod body 16 is located inside the through hole.
Working principle: the servo electric push rod 7 can be automatically controlled to stop moving through the controller component of the singlechip, when the push rod of the servo electric push rod 7 pushes the second disc 10 to attach the fuse box 11 to the square rubber pad 14 on the outer side of the first gas injection port 12 or the second gas injection port 13, the first disc 8 can continuously press the pressure sensor 9, when the threshold value of the pressure sensor 9 is reached, the controller component of the singlechip can automatically control the servo electric push rod 7 to stop moving, so that damage caused by excessive extrusion of the fuse box 11 is avoided, after the air pump 2 is started, air is discharged from the first gas injection port 12 and the second gas injection port 13 through the three-way pipe body 4, foam water can be smeared on the surface of the fuse box 11, and the air tightness of the fuse box 11 is detected by observing whether bubbles appear on the surface of the fuse box 11.
Claims (5)
1. A gas tightness test fixture for fuse box, characterized by comprising
A base (1);
A fuse box (11);
The pressing structure comprises a fixed seat (6) arranged at the top of the base (1), a servo electric push rod (7), a first disc (8), a second disc (10) and a pressure sensor (9) arranged at one side of the second disc (10), wherein a singlechip is arranged outside the fixed seat (6);
the double-station inflation structure comprises an air pump (2) arranged at the bottom of a base (1) and a hollow seat (5) arranged at the top of the base (1), wherein a first air injection port (12) and a second air injection port (13) are respectively arranged on two side walls of the hollow seat (5), a three-way pipe body (4) is installed at the output end of the air pump (2) in a communicating mode, and the three-way pipe body (4) is respectively connected with the first air injection port (12) and the second air injection port (13) in a communicating mode.
2. The tightness test fixture for fuse boxes according to claim 1, wherein: the two side walls of the hollow seat (5) are fixedly provided with square rubber pads (14), through holes (15) are formed in the middle of the square rubber pads (14), and the first gas injection ports (12) and the second gas injection ports (13) are respectively located on the same side inside the through holes (15) of the square rubber pads (14).
3. The tightness test fixture for fuse boxes according to claim 1, wherein: the push rod of the servo electric push rod (7) is detachably connected with the first disc (8) in a bolt fastening mode, the position of the pressure sensor (9) is located between the first disc (8) and the second disc (10), two polished rod bodies (16) with the same size are fixedly installed on one side surface of the second disc (10) facing the first disc (8), and the polished rod bodies (16) are connected with the surface of the first disc (8) in a penetrating mode.
4. A gas tightness test fixture for a fuse box according to claim 3, wherein: and a limit sleeve is arranged at one end of the polish rod body (16) in a threaded manner.
5. The tightness test fixture for fuse boxes according to claim 1, wherein: the integrated forming of base (1) top surface has two unidimensional pad platform (3), two pad platform (3) set up about hollow seat (5) symmetry, fuse box (11) activity sets up in pad platform (3) surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322706738.7U CN221037867U (en) | 2023-10-09 | 2023-10-09 | A gas tightness test fixture for fuse box |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322706738.7U CN221037867U (en) | 2023-10-09 | 2023-10-09 | A gas tightness test fixture for fuse box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221037867U true CN221037867U (en) | 2024-05-28 |
Family
ID=91168074
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322706738.7U Active CN221037867U (en) | 2023-10-09 | 2023-10-09 | A gas tightness test fixture for fuse box |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221037867U (en) |
-
2023
- 2023-10-09 CN CN202322706738.7U patent/CN221037867U/en active Active
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| GR01 | Patent grant |