CN220525221U

CN220525221U - Mole airtight testing device

Info

Publication number: CN220525221U
Application number: CN202321781034.XU
Authority: CN
Inventors: 刘志敏; 张红粉; 惠晓铭; 耿嘉民; 崔啸峰
Original assignee: Zhongqin Taikang Technology Energy Group Puyang Co ltd
Current assignee: Zhongqin Taikang Technology Energy Group Puyang Co ltd
Priority date: 2023-07-07
Filing date: 2023-07-07
Publication date: 2024-02-23
Anticipated expiration: 2033-07-07

Abstract

The utility model provides a molar air tightness testing device, which belongs to the technical field of air tightness detection and comprises a supporting mechanism for supporting a battery, and a clamping mechanism arranged on the supporting mechanism and used for clamping the battery. The utility model has the beneficial effects that: the drive unit drives two first bevel gears to rotate through the rotating shaft, so that the first bevel gears drive the connecting rod on the threaded plate to slide in the chute through the lead screw on the second bevel gear, and the clamping plate is close to the battery along with the connecting rod at the moment so as to clamp the battery in four directions simultaneously, thereby increasing the clamping point positions of the battery and improving the clamping effect on the battery.

Description

Mole airtight testing device

Technical Field

The utility model belongs to the technical field of air tightness detection, and particularly relates to a molar air tightness testing device.

Background

A hydrogen fuel cell is a power generation device that directly converts chemical energy of hydrogen and oxygen into electric energy. The basic principle is that the reverse reaction of electrolyzed water supplies hydrogen and oxygen to the anode and the cathode respectively, after hydrogen diffuses outwards through the anode and reacts with electrolyte, electrons are released to reach the cathode through external load, and at present, in the production process of the hydrogen fuel cell, air tightness detection equipment is needed.

The air tightness detection device for the hydrogen fuel cell disclosed in the Chinese patent application publication No. CN217878245U can conveniently realize clamping and fixing of the hydrogen fuel cell, is suitable for clamping and fixing the hydrogen fuel cells with different sizes, has wide application range and high reliability, but has the structural design of the prior art:

in the process of the air tightness detection, although the battery can be clamped, the clamping plate can be clamped at two sides of the battery, when the two sides of the motor are provided with some bumps, the clamping plate can be contacted with the bumps, so that the clamping points of the hydrogen fuel battery are fewer, and the clamping effect of the battery is affected.

We have therefore proposed a molar air tightness testing device in order to solve the problems set out above.

Disclosure of Invention

The utility model aims to provide a molar air tightness testing device, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: a molar air tightness testing device comprising:

a support mechanism to support the battery;

the clamping mechanism is arranged on the supporting mechanism and used for clamping the battery, the clamping mechanism comprises a driving unit and a rotating shaft connected to the driving unit, two clamping assemblies are connected to the outer side of the rotating shaft, and the driving unit drives the rotating shaft to rotate so that the two clamping assemblies clamp four sides of the battery;

the detection mechanism is arranged at the top of the supporting mechanism to detect the air tightness of the battery;

and the lifting mechanism is connected to the top of the detection mechanism to drive the detection mechanism to lift.

Preferably, the supporting mechanism comprises a supporting seat, a first sealing groove is formed in the top of the supporting seat, and a first sealing strip is installed in the first sealing groove.

Preferably, the clamping assembly comprises a first bevel gear and two second bevel gears connected to the first bevel gear in a meshing manner, wherein screw rods are arranged in the two second bevel gears, and the outer sides of the screw rods are connected with screw plates in a threaded manner.

Preferably, a connecting rod is installed at the top of the threaded plate, and a clamping plate is installed at the top of the connecting rod.

Preferably, the top of supporting seat has seted up the spout, connecting rod sliding connection is in the inside of spout.

Preferably, the top of supporting seat installs the link, elevating system installs the top at the link.

Preferably, the lifting mechanism comprises a telescopic unit, and the bottom end of the telescopic unit is provided with a mounting frame.

Preferably, the detection mechanism comprises a detection assembly and a sealing assembly arranged outside the detection assembly, the detection assembly comprises a sealing cover, and a display screen is connected to the front side of the sealing cover.

Preferably, an air pump is installed in the middle of the rear side of the sealing cover, an air supply pipe is installed at one end of the air pump, and a gas detector is arranged in the sealing cover.

Compared with the prior art, the utility model has the beneficial effects that:

1. according to the utility model, the driving unit drives the two first bevel gears to rotate through the rotating shaft, so that the first bevel gears drive the connecting rod on the threaded plate to slide in the sliding groove through the lead screw on the second bevel gear, and the clamping plate is close to the battery along with the connecting rod, so that the battery is clamped in four directions at the same time, the clamping point positions of the battery are increased, and the clamping effect on the battery is improved.

2. According to the utility model, when the sealing cover descends to the bottommost part, the second sealing strip is positioned in the first sealing groove, and the first sealing strip is positioned in the second sealing groove, so that the bottom of the sealing cover is sealed, the sealing effect of the sealing cover is improved, and the interference of external air flow in the process of detecting the air tightness is avoided.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:

fig. 1 is a schematic overall structure of an embodiment of the present utility model.

Fig. 2 is a schematic structural diagram of a support base according to an embodiment of the utility model.

Fig. 3 is a schematic cross-sectional view of a support base according to an embodiment of the utility model.

Fig. 4 is a schematic structural view of a clamping assembly according to an embodiment of the present utility model.

Fig. 5 is a schematic structural diagram of a detection mechanism according to an embodiment of the present utility model.

FIG. 6 is a schematic structural view of a seal housing according to an embodiment of the present utility model.

In the figure: 1. a support mechanism; 11. a support base; 12. a first seal groove; 13. a first sealing strip; 14. a chute; 2. a connecting frame; 3. a clamping mechanism; 31. a driving unit; 32. a rotation shaft; 33. a clamping assembly; 331. a first bevel gear; 332. a second bevel gear; 333. a screw rod; 334. a thread plate; 335. a connecting rod; 336. a clamping plate; 4. a lifting mechanism; 41. a telescoping unit; 42. a mounting frame; 5. a detection mechanism; 51. a detection assembly; 511. a sealing cover; 512. a display screen; 513. an air pump; 514. an air supply pipe; 515. a gas detector; 52. a seal assembly; 521. a second sealing strip; 522. and a second seal groove.

Detailed Description

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions: the utility model provides a mole airtight testing device, including supporting mechanism 1, in order to support the battery, be provided with fixture 3 on the supporting mechanism 1, be used for carrying out the centre gripping to the battery, the top of supporting mechanism 1 is provided with elevating system 4, in order to drive detection mechanism 5 and go up and down, the bottom of elevating system 4 is connected with detection mechanism 5, in order to detect the battery gas tightness, after the battery is placed supporting mechanism 1, after holding the battery through fixture 3, drive detection mechanism 5 through elevating system 4 and cover the battery, in order to detect the battery gas tightness;

the clamping mechanism 3 comprises a driving unit 31, the top end of the driving unit 31 is connected with a rotating shaft 32, two clamping assemblies 33 which are arranged up and down and have a certain distance are connected to the outer side of the rotating shaft 32, and the driving unit 31 drives the rotating shaft 32 to rotate, so that the two clamping assemblies 33 clamp four sides of a battery, and the clamping effect on the battery is improved.

As shown in fig. 1-3, the supporting mechanism 1 includes a supporting seat 11, the supporting seat 11 is hollow, four supporting legs are installed at the bottom of the supporting seat 11, the top end of a driving unit 31 is installed at the bottom of the supporting seat 11, and it needs to be specifically explained that, in this embodiment, the driving unit 31 is a servo motor, two ends of a rotating shaft 32 are respectively connected to the middle part of the inner top wall and the inner bottom wall of the supporting seat 11 in a rotating manner, a first sealing groove 12 is provided at the top of the supporting seat 11, a first sealing strip 13 is installed in the first sealing groove 12, a sliding groove 14 is provided at the top of the supporting seat 11 and located at the inner side of the first sealing groove 12, four groups of sliding grooves 14 are provided, and two or more sliding grooves 14 are symmetrical, and it needs to be specifically explained that, in this embodiment, at least two sliding grooves 14 are provided in each group, the first sealing groove 12 and the first sealing strip 13 can seal the bottom of the detecting mechanism 5, thereby improving the tightness of the detecting mechanism 5 during detection.

As shown in fig. 1, the connection frame 2 is mounted on the top of the support base 11, the connection frame 2 is U-shaped, and the telescopic unit 41 in the lifting mechanism 4 is mounted on the top of the connection frame 2 to support the telescopic unit 41.

As shown in fig. 3 to 4, the clamping assembly 33 includes a first bevel gear 331, two second bevel gears 332 are engaged and connected to two sides of the first bevel gear 331, a screw 333 is installed in the middle of each of the two second bevel gears 332, one end of the screw 333 is rotatably connected to an inner wall of the supporting seat 11, a threaded plate 334 is screwed on an outer side of the screw 333, a connecting rod 335 is installed at a top of the threaded plate 334, it is to be noted that in this embodiment, at least two connecting rods 335 are provided, the number of sliding grooves 14 is the same as that of the connecting rods 335, a clamping plate 336 is installed at a top of the connecting rod 335, the clamping plate 336 is disposed at a top of the supporting seat 11, wherein the two second bevel gears 332 in the upper clamping assembly 33 are disposed left and right, the two second bevel gears 332 in the lower clamping assembly 33 are disposed front and back, and the length of connecting rod 335 in being arranged in below clamping assembly 33 is greater than the length of connecting rod 335 in Fang Gachi subassembly 33, and the top of all connecting rods 335 all runs through supporting seat 11 and is located the coplanar, all connecting rods 335 all sliding connection is in the inside of spout 14, so that spout 14 carries out spacing to connecting rod 335, prevent that connecting rod 335 from following screw 333 and rotating, drive unit 31 passes through rotation axis 32 and drives two first bevel gear 331 rotatory, two first bevel gear 331 drive screw 333 rotation in the second bevel gear 332 respectively, screw 333 passes through screw plate 334 simultaneously and drives connecting rod 335 in the inside slip of spout 14, so that splint 336 simultaneously carry out the centre gripping to four positions of battery, thereby improved the centre gripping effect to the battery.

As shown in fig. 1, the lifting mechanism 4 includes a telescopic unit 41, in this embodiment, the telescopic unit 41 may be a hydraulic cylinder, an air cylinder or an electric telescopic rod, a mounting frame 42 is connected to a telescopic shaft of the telescopic unit 41 through a fixing ring, the mounting frame 42 is mounted on two sides of the sealing cover 511, and the telescopic unit 41 can move up and down through the mounting frame 42 by using the electric sealing cover 511 to drive the sealing cover 511 to cover the battery.

As shown in fig. 5 to 6, the detecting mechanism 5 includes a detecting member 51, a sealing member 52 is installed at the outer side of the detecting member 51, the detecting member 51 includes a sealing cap 511, a display screen 512 is installed at the middle of the front side of the sealing cap 511, the display screen 512 is electrically connected with a controller to display air tightness detecting data, an air pump 513 is installed at the middle of the rear side of the sealing cap 511 to supply air to the inside of a battery, an air outlet end of the air pump 513 is connected with an air supply pipe 514, an air supply nozzle is connected to the end of the air supply pipe 514, a gas detector 515 is installed at one side of the inner wall of the sealing cap 511, when the sealing cap 511 is capped to the battery, the air supply pipe 514 is connected with the battery, then the air pump 513 delivers a certain gas to the inside of the battery through the air supply pipe 514, and meanwhile the gas detector 515 detects the inside of the sealing cap 511 to realize detection of the air tightness of the battery.

As shown in fig. 2 and 5, the sealing assembly 52 includes a second sealing strip 521, the second sealing strip 521 is mounted at the bottom of the outer side of the sealing cover 511, a second sealing groove 522 is formed at the bottom of the second sealing strip 521, the second sealing strip 521 is matched with the first sealing groove 12, the second sealing groove 522 is matched with the first sealing strip 13, when the sealing cover 511 descends to the bottommost position, the second sealing strip 521 is inserted into the first sealing groove 12, and the first sealing strip 13 is inserted into the second sealing groove 522, so that the bottom of the sealing cover 511 is sealed, the sealing effect of the sealing cover 511 is improved, and interference of external air flow in the process of detecting air tightness is avoided.

It should be noted that, this embodiment is a molar airtight testing device, during detection, place the battery at the top of supporting seat 11, then start driving unit 31, at this moment driving unit 31 improves rotation axis 32 and drives two first bevel gears 331 and rotate, two first bevel gears 331 drive lead screw 333 in the second bevel gears 332 respectively and rotate, lead screw 333 drives connecting rod 335 through screw plate 334 and slides in the inside of spout 14 simultaneously, splint 336 is close to the battery along connecting rod 335 this moment, in order to centre gripping four positions of battery simultaneously, the centre gripping point position to the battery has been increased, thereby the centre gripping effect to the battery has been improved, then start telescopic unit 41, the bottom of telescopic unit 41 drives sealed cowling 511 downwardly moving and covers to the battery through the mounting bracket 42 on the telescopic shaft, when sealed cowling 511 descends to the bottommost, second sealing strip 521 is located first seal groove 12, first sealing strip 13 is located second seal groove 522, thereby seal the bottom to sealed cowling 511, the sealed effect of sealed cowling 511 has been improved, avoid having the interference of external air current in the course of detecting the gas tightness.

Claims

1. A molar air tightness testing device, comprising:

a support mechanism (1) for supporting the battery;

the clamping mechanism (3) is arranged on the supporting mechanism (1) and used for clamping the battery, the clamping mechanism (3) comprises a driving unit (31) and a rotating shaft (32) connected to the driving unit (31), two clamping assemblies (33) are connected to the outer side of the rotating shaft (32), and the driving unit (31) drives the rotating shaft (32) to rotate so that the two clamping assemblies (33) clamp four sides of the battery;

the detection mechanism (5) is arranged at the top of the supporting mechanism (1) so as to detect the air tightness of the battery;

the lifting mechanism (4) is connected to the top of the detection mechanism (5) to drive the detection mechanism (5) to lift.

2. The molar air tightness test device according to claim 1, wherein: the supporting mechanism (1) comprises a supporting seat (11), a first sealing groove (12) is formed in the top of the supporting seat (11), and a first sealing strip (13) is installed in the first sealing groove (12).

3. The molar air tightness test device according to claim 2, wherein: the clamping assembly (33) comprises a first bevel gear (331) and two second bevel gears (332) which are connected to the first bevel gear (331) in a meshing mode, screw rods (333) are arranged in the two second bevel gears (332), and thread plates (334) are connected to the outer sides of the screw rods (333) in a threaded mode.

4. A molar air tightness testing device according to claim 3, characterized in that: the top of screw thread board (334) is installed connecting rod (335), splint (336) are installed at the top of connecting rod (335).

5. The molar air tightness test device according to claim 4, wherein: the top of the supporting seat (11) is provided with a sliding groove (14), and the connecting rod (335) is connected inside the sliding groove (14) in a sliding way.

6. The molar air tightness test device according to claim 2, wherein: the top of supporting seat (11) is installed link (2), elevating system (4) are installed at the top of link (2).

7. The molar air tightness test device according to claim 1, wherein: the lifting mechanism (4) comprises a telescopic unit (41), and a mounting frame (42) is mounted at the bottom end of the telescopic unit (41).

8. The molar air tightness test device according to claim 1, wherein: the detection mechanism (5) comprises a detection assembly (51) and a sealing assembly (52) arranged outside the detection assembly (51), the detection assembly (51) comprises a sealing cover (511), and a display screen (512) is connected to the front side of the sealing cover (511).

9. The molar air tightness test device according to claim 8, wherein: an air pump (513) is installed in the middle of the rear side of the sealing cover (511), an air supply pipe (514) is installed at one end of the air pump (513), and a gas detector (515) is arranged inside the sealing cover (511).

10. The molar air tightness test device according to claim 8, wherein: the sealing assembly (52) comprises a second sealing strip (521), and a second sealing groove (522) is formed in the bottom of the second sealing strip (521).