CN213516194U

CN213516194U - Battery gas tightness detects connecting device and check out test set

Info

Publication number: CN213516194U
Application number: CN202022858312.XU
Authority: CN
Inventors: 黄俊航; 李镜威; 谭秀强; 李小明
Original assignee: GAC Aion New Energy Automobile Co Ltd
Current assignee: GAC Aion New Energy Automobile Co Ltd
Priority date: 2020-12-01
Filing date: 2020-12-01
Publication date: 2021-06-22
Anticipated expiration: 2030-12-01

Abstract

The application provides a battery gas tightness detection connecting device and detection equipment, belongs to battery manufacturing technical field. The battery airtightness detection connecting device comprises an installation frame, a connecting cover and a driving rod. The mounting bracket is for connection to a connector of a battery, the connector having a port. Connect the movably setting in the mounting bracket of lid, connect the lid and be provided with the air inlet. The driving rod is arranged on the mounting frame in a position-adjustable mode along the axis direction of the driving rod, and the driving rod is used for pushing the connecting cover to move relative to the mounting frame so that the connecting cover is sealed and sealed on the port. The battery air tightness detection connecting device adopting the structure can adjust the tightness degree of the port of the connecting cover covering the connector by adjusting the position of the driving rod in the axis direction of the driving rod so as to adjust the tightness degree of sealing, thereby avoiding the phenomenon of incomplete sealing when the connecting cover is worn, and the battery air tightness detection connecting device adopting the structure has simple structure and is convenient to install.

Description

Battery gas tightness detects connecting device and check out test set

Technical Field

The application relates to the technical field of battery manufacturing, in particular to a battery airtightness detection connecting device and detection equipment.

Background

The battery is used as a core component on the new energy automobile, the air tightness of the battery is also important, and the safety of the whole automobile is directly influenced. In terms of the research and development technology of batteries, the design requirements on the strength, rigidity, heat dissipation, water resistance, insulation and the like of the batteries are very high, so that the air tightness test and the air tightness detection of a battery box body are very important, and the connection device of the air tightness detection equipment is used as a tie for connecting the air tightness detection equipment and a connector of the batteries, so that the installation convenience and the connection stability of the connection device are particularly important. The connecting device of the existing air tightness detection equipment is complex in structure, inconvenient to install and single in functionality, so that the phenomenon that the sealing is not in place easily occurs when the sealing ring is worn, the tightness degree of sealing cannot be adjusted, and the air tightness detection effect of the battery box body is poor.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a battery airtightness detection connecting device and detection equipment, and aims to solve the problems that the structure of the existing connecting device of the airtightness detection equipment is complex and the functionality is single.

In a first aspect, an embodiment of the present application provides a connection device for detecting air tightness of a battery, which includes a mounting frame, a connection cover, and a driving rod; the mounting bracket is used for connecting to a connector of the battery, and the connector is provided with a port; the connecting cover is movably arranged on the mounting frame and is provided with an air inlet; the driving rod is arranged on the mounting frame in a position-adjustable mode along the axis direction of the driving rod, and the driving rod is used for pushing the connecting cover to move relative to the mounting frame so that the connecting cover is sealed and closed on the port.

In the technical scheme, after the mounting frame is connected to the connector of the battery, the driving rod is adjusted to push the connecting cover to cover the port of the connector in the axial direction of the driving rod, so that the connecting cover covers the port of the connector in a sealing manner, and the air tightness of the battery can be detected by inflating the air inlet of the connecting cover. In addition, the tightness degree of the port of the connector covered by the connecting cover can be adjusted by adjusting the position of the driving rod in the axis direction of the driving rod, so that the tightness degree of sealing is adjusted, the phenomenon that the sealing is not in place easily occurs when the connecting cover is abraded is avoided, and the battery airtightness detection connecting device with the structure is simple in structure and convenient to install.

In addition, the battery airtightness detection connecting device provided by the embodiment of the application also has the following additional technical characteristics:

in some embodiments, the mounting bracket is provided with a threaded hole; and the driving rod is provided with an external thread matched with the threaded hole.

In the technical scheme, the structure of adoption spiro union is connected the actuating lever on the mounting bracket to realize that the actuating lever sets up in the mounting bracket along its axis direction position adjustably, this kind of stable in structure, the regulation of being convenient for, and the actuating lever of this kind of structure has self-locking function, thereby avoided the actuating lever to appear the phenomenon of relative sliding with the mounting bracket when the promotion is connected the lid and is removed, and then prevented that the port lid of connecting lid and connector from closing not in place.

In some embodiments, the drive rod is axially locked and circumferentially rotatably connected to the connecting cover.

In the technical scheme, the driving rod is axially locked and is circumferentially and rotatably connected to the connecting cover, so that the driving rod can push the connecting cover to cover the port of the connector, and meanwhile, the connecting cover can be driven to reset.

In some embodiments, the connection cover has a mounting portion; the mounting part is provided with a mounting hole; one end of the driving rod, which is close to the connecting cover, is provided with a shaft boss, and the shaft boss is rotatably inserted into the mounting hole; the shaft boss is connected with a limiting part, and the installation part is limited between the driving rod and the limiting part so as to limit the driving rod to move axially relative to the connecting cover.

In above-mentioned technical scheme, the one end of actuating lever is provided with the axon, and rotationally insert the axon in the mounting hole of locating the installation department, it is rotatable to connect lid circumference relatively in order to realize the actuating lever, connect the locating part simultaneously on the axon, in order to restrict the installation department between actuating lever and locating part, that is to say, the both sides of installation department are used for leaning on the terminal surface in locating part and actuating lever respectively, cover axial locking is connected relatively in order to realize the actuating lever, thereby realized actuating lever axial locking and circumference rotationally connect in connecting the lid through this kind of structure, moreover, the steam generator is simple in structure, and the realization is.

In some embodiments, the connector has protrusions on opposite sides; two clamping grooves are formed in the mounting frame, and each protrusion is used for being clamped in one clamping groove to limit the connector to move relative to the mounting frame in the direction away from the connecting cover.

In above-mentioned technical scheme, the draw-in groove of going into is gone into through the protruding card that sets up the confession connector on the mounting bracket, remove to the direction of keeping away from the connection lid with the relative mounting bracket of restriction connector, thereby when the drive lever drive connection lid fits the port of connector, the port through the connector can fasten the connector on the mounting bracket to the reaction force of connecting the lid, break away from with the connector in order to prevent mounting bracket, adopt this kind of structure to be convenient for to install and dismantle battery gas tightness detection connecting device, can guarantee the fastness between mounting bracket and the connector simultaneously.

In some embodiments, the battery hermeticity detection connection further comprises an adjustment assembly; the adjusting component is arranged on the mounting rack and used for adjusting the covering angle of the connecting cover.

In the technical scheme, the battery airtightness detection connecting device is further provided with the adjusting assembly, the posture of the connecting cover can be adjusted through the adjusting assembly arranged on the mounting frame, the cover closing angle of the connecting cover after the cover is closed on the port of the connector can be adjusted, the cover closing gap existing on the port of the connector due to the fact that the connecting cover is obliquely closed can be avoided, and the sealing performance between the ports of the connecting cover and the connector is further guaranteed.

In some embodiments, the adjustment assembly comprises two adjustment rods; the mounting frame is provided with two adjusting holes, the two adjusting holes are respectively arranged on two sides of the driving rod, and the adjusting rods correspond to the adjusting holes one to one; the adjusting rod comprises a rod part and a head part connected to one end of the rod part, the rod part penetrates through the adjusting hole, and one end, far away from the head part, of the rod part is in threaded connection with the connecting cover.

In the technical scheme, the two sides of the driving rod are respectively provided with the adjusting rod, the rod parts of the two adjusting rods are all screwed with the connecting cover, so that the cover of the connecting cover can be adjusted to be in a closed angle by unscrewing or screwing the adjusting rods on the two sides of the driving rod, and the adjusting assembly with the structure is simple in structure and convenient to adjust.

In some embodiments, the adjustment assembly further comprises two resilient members; the elastic piece and the adjusting rod correspond to each other one by one, the elastic piece is sleeved on the outer side of the rod part, and two ends of the elastic piece are respectively abutted against the head part and the mounting rack.

In the technical scheme, the elastic piece is sleeved outside the rod part of the adjusting rod, and the two ends of the elastic piece are respectively abutted against the mounting frame and the head of the adjusting rod, so that the elastic piece can play a role in buffering the adjusting rod, and the head of the adjusting rod is prevented from being in rigid contact with the mounting frame. In addition, when not using battery gas tightness to detect connecting device, the elastic component can provide elasticity tensile force for adjusting the pole to make regulation pole and mounting bracket be in the tensioning state all the time, thereby avoided battery gas tightness to detect connecting device and caused the regulation pole to rock relative mounting bracket easily at the in-process that removes, and then accelerated the wearing and tearing speed between battery gas tightness detection connecting device's the accessory easily.

In some embodiments, the mounting frame comprises a frame body and connecting plates connected to both sides of the frame body; the driving rod is arranged on the frame body along the axial direction of the driving rod in a position-adjustable manner, and the connecting plate is used for being connected to the connector; the connecting cover is movably arranged on the connecting plates, the connecting cover is located between the two connecting plates, guide structures are arranged between the two connecting plates and the connecting cover, and the guide structures are used for limiting the moving direction of the connecting cover.

In the above technical scheme, the mounting bracket is provided with two connecting plates, connects the movably setting between two connecting plates of lid, and every connecting plate all is provided with guide structure with being connected between the lid to play the guide effect to connecting the lid, thereby make and connect the lid and can follow the stable removal of the axis direction of actuating lever, in order to guarantee to connect the lid and accurately cover on fitting the port of connector.

In a second aspect, an embodiment of the present application further provides a detection apparatus, which includes a detection device and the above-mentioned battery airtightness detection connection device; the detection device is used for being in butt joint with the air inlet.

In the technical scheme, when the detection equipment adopting the structure detects the air tightness of the battery, the tightness degree of the port of the connector covered by the connecting cover can be adjusted by adjusting the position of the driving rod in the axis direction of the detection equipment, so that the tightness degree of the seal is adjusted, the phenomenon that the seal is not in place easily occurs when the connecting cover is abraded is avoided, the tightness between the ports of the connecting cover and the connector is ensured, and the accuracy of the air tightness detection of the battery is further ensured.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a connection device for detecting airtightness of a battery according to an embodiment of the present application;

FIG. 2 is a schematic view showing the connection of the battery airtightness detection connecting apparatus shown in FIG. 1 with a connector of a battery;

fig. 3 is a front view of the battery airtightness detecting connection apparatus shown in fig. 1;

fig. 4 is a partial sectional view of the battery airtightness detecting connection apparatus shown in fig. 3;

fig. 5 is a partially enlarged view of the battery airtightness detecting connection apparatus shown in fig. 4 at a point a;

fig. 6 is a bottom view of the battery airtightness detecting connection apparatus shown in fig. 1.

Icon: 100-battery airtightness detection connection device; 10-a mounting frame; 11-a frame body; 12-a connecting plate; 121-card slot; 20-a connecting cover; 21-an air inlet; 22-a mounting portion; 221-mounting holes; 23-a cover body; 231-an abutment surface; 24-connecting blocks; 30-a drive rod; 31-a drive end; 311-axial convex; 32-an adjustment end; 321-a rotating handle; 40-a connector; 41-bulge; 50-a guide structure; 51-a guide post; 52-a guide groove; 60-a stop; 70-an adjustment assembly; 71-adjusting rod; 711-a shaft portion; 712-a head; 72-a resilient member; 80-sealing ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some embodiments of the present application, but not all embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the embodiments of the present application, it should be noted that the indication of orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship which is usually placed when the product of the application is used, or the orientation or positional relationship which is conventionally understood by those skilled in the art, is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present application.

Examples

The embodiment of the application provides a battery gas tightness detects connecting device 100, it can improve the comparatively complicated and functional singleness of connecting device's of current gas tightness check out test set structure to lead to connecting device to appear sealing the phenomenon that does not target in place easily when the sealing washer appears wearing and tearing, and sealed inseparable degree can't be adjusted, thereby cause the relatively poor problem of effect of the gas tightness detection of battery box, the following concrete structure that combines the drawing to detect connecting device 100 to the battery gas tightness explains in detail.

As shown in fig. 1 and 2 in conjunction, the battery airtightness detection connection apparatus 100 includes a mounting bracket 10, a connection cover 20, and a driving rod 30. The mounting 10 is for connection to a connector 40 of a battery, the connector 40 having a port. The connection cover 20 is movably provided to the mounting frame 10, and the connection cover 20 is provided with an air inlet 21. The driving rod 30 is adjustably disposed on the mounting frame 10 along an axial direction thereof, and the driving rod 30 is used for pushing the connection cover 20 to move relative to the mounting frame 10, so that the connection cover 20 is sealed and covered on the port of the connector 40.

After the mounting bracket 10 is coupled to the connector 40 of the battery, the connection cover 20 can be pushed to cover the port of the connector 40 by adjusting the position of the driving rod 30 in the axial direction thereof, so that the connection cover 20 can be hermetically covered on the port of the connector 40, and thus the airtightness of the battery can be detected by inflating the air inlet 21 of the connection cover 20. In addition, the tightness degree of the port of the connector 40 covered by the connecting cover 20 can be adjusted by adjusting the position of the driving rod 30 in the axial direction thereof, so as to adjust the tightness degree of the seal, thereby avoiding the phenomenon that the seal is not in place easily when the connecting cover 20 is worn, and the battery airtightness detecting and connecting device 100 with the structure has a simple structure and is convenient to install.

As shown in fig. 1, the mounting bracket 10 includes a bracket body 11 and connecting plates 12 connected to two sides of the bracket body 11, and the bracket body 11 and the two connecting plates 12 are U-shaped. The driving rod 30 is provided to the housing 11 with a position adjustable along its axial direction, and the connecting plate 12 is adapted to be connected to the connector 40. The connection cover 20 is movably disposed on the connection plates 12, the connection cover 20 is located between the two connection plates 12, and a guide structure 50 is disposed between each of the two connection plates 12 and the connection cover 20, wherein the guide structure 50 is used for limiting a moving direction of the connection cover 20.

The mounting bracket 10 is provided with two connecting plates 12, the connecting cover 20 is movably disposed between the two connecting plates 12, and a guide structure 50 is disposed between each connecting plate 12 and the connecting cover 20 to guide the connecting cover 20, so that the connecting cover 20 can stably move along the axial direction of the driving rod 30, and the connecting cover 20 is accurately covered on the port of the connector 40.

Exemplarily, two connecting plates 12 all are in support body 11 through C type buckle joint to in dismouting and later stage maintenance. It should be noted that in other embodiments, the connecting plate 12 may be connected to the frame body 11 by other methods, for example, the connecting plate 12 is connected to the frame body 11 by bolting, welding or bonding.

Further, with continued reference to fig. 1, the guide structure 50 includes a guide post 51 and a guide slot 52. One of the guide post 51 and the guide groove 52 is provided to the connection plate 12, and the other is provided to the connection cover 20, and the guide post 51 is movably inserted into the guide groove 52.

Illustratively, the guide post 51 is a screw, the guide post 51 is screwed to one side of the connection cover 20, the guide slot 52 is opened on the connection plate 12, and the guide post 51 is movably inserted into the guide slot 52. In other embodiments, the guide posts 51 may be connected to the connecting plate 12, and the guide slots 52 may be opened on the side wall of the connecting cover 20.

Alternatively, as shown in connection with fig. 1 and 2, the connector 40 has protrusions 41 on opposite sides. Two clamping grooves 121 are formed in the mounting frame 10, one clamping groove 121 is formed in each connecting plate 12, and each protrusion 41 is used for being clamped in one clamping groove 121 to limit the connector 40 from moving relative to the mounting frame 10 in a direction away from the connecting cover 20.

Through set up the draw-in groove 121 that the arch 41 that supplies connector 40 blocked on mounting bracket 10 to restriction connector 40 moves to the direction of keeping away from connecting cover 20 relative to mounting bracket 10, thereby when actuating lever 30 drive connecting cover 20 covers the port of connector 40, the reaction force to connecting cover 20 through the port of connector 40 can fasten connector 40 on mounting bracket 10, in order to prevent mounting bracket 10 and connector 40 from breaking away from, adopt this kind of structure to be convenient for install and dismantle battery gas tightness detection connecting device 100, can guarantee the fastness between mounting bracket 10 and the connector 40 simultaneously.

It should be noted that, in other embodiments, the mounting bracket 10 may be connected to the connector 40 through other structures, for example, two snap hooks are provided on two sides of the connector 40, the mounting bracket 10 is provided with two snap hooks, and each connecting plate 12 is provided with one snap hook, and each snap hook is used for being snapped into one snap hook to connect the mounting bracket 10 to the connector 40.

In this embodiment, as shown in fig. 1 and 3, a threaded hole is formed in the frame body 11 of the mounting frame 10. The driving rod 30 is provided with an external thread matched with the threaded hole. Adopt the structure of spiro union to connect actuating lever 30 on support body 11 to realize that actuating lever 30 sets up in mounting bracket 10 along its axis direction position adjustably, this kind of stable in structure, be convenient for adjust, and the actuating lever 30 of this kind of structure has self-locking function, thereby avoided actuating lever 30 to appear the phenomenon of relative slip when promoting to connect lid 20 to remove with support body 11, and then prevented that the port lid of connecting lid 20 and connector 40 from closing not in place.

As shown in fig. 3, the driving rod 30 has a driving end 31 and an adjusting end 32 opposite to each other in the axial direction, that is, the driving end 31 is at the end of the driving rod 30 close to the connecting cover 20, and the adjusting end 32 is at the end of the driving rod 30 far from the connecting cover 20. The driving end 31 is used for pushing the connecting cover 20 to move relative to the mounting frame 10. The adjustment end 32 is connected to a rotation handle 321, and rotating the rotation handle 321 can tighten or loosen the driving rod 30 to push the connection cover 20 to move relative to the mounting frame 10.

Optionally, the drive rod 30 is axially locked and circumferentially rotatably connected to the connecting cover 20. The driving rod 30 is axially locked and circumferentially and rotatably connected to the connecting cover 20, so that the driving rod 30 can push the connecting cover 20 to cover the port of the connector 40, and can also drive the connecting cover 20 to reset.

Further, as shown in fig. 4 and 5, the connection cover 20 has a mounting portion 22, and a mounting hole 221 is opened in the mounting portion 22. The driving end 31 of the driving lever 30 is provided with a boss 311, and the boss 311 is rotatably inserted into the mounting hole 221. The boss 311 is connected with the stopper 60, and the mounting portion 22 is limited between the driving end 31 and the stopper 60 to limit the axial movement of the driving rod 30 relative to the connecting cover 20. Through being provided with the boss 311 at the drive end 31 of actuating lever 30, and rotationally insert boss 311 and locate the mounting hole 221 of installation department 22 in to realize that actuating lever 30 is rotatable in the circumference relative to connecting cover 20, connect the locating part 60 on boss 311 simultaneously, in order to restrict installation department 22 between drive end 31 and locating part 60, that is to say, the both sides of installation department 22 are used for leaning on in locating part 60 and drive end 31 respectively, in order to realize actuating lever 30 and connect cover 20 axial locking relatively, thereby realized actuating lever 30 axial locking and rotationally connect in connecting cover 20 in the circumference through this kind of structure, moreover, the steam generator is simple in structure, and easy to realize.

The connection cover 20 includes a cover 23 and a connection block 24, and the air inlet 21 is disposed on the cover 23. The connecting block 24 is detachably attached to the cover 23, and the connecting portion has the attaching portion 22.

Illustratively, the connecting block 24 is screwed on the upper surface of the cover 23 by bolts, and in other embodiments, the connecting block 24 may be connected to the cover 23 by fastening or snapping.

Alternatively, as shown in fig. 5, the stopper 60 is a bolt screwed to the boss 311, and the mounting portion 22 of the connecting block 24 is restricted between the driving end 31 of the driving lever 30 and the head of the bolt. It should be noted that, in other embodiments, the limiting member 60 may also be in other structures, for example, the limiting member 60 is in a T-shaped rod structure, the shaft protrusion 311 is provided with a clamping hole, one free end of the T-shaped rod structure is clamped in the clamping hole of the shaft protrusion 311, and the other two free ends of the T-shaped rod structure respectively abut against the mounting portion 22, so as to limit the mounting portion 22 between the T-shaped rod structure and the driving end 31 of the driving rod 30, so as to achieve that the driving rod 30 is axially locked and circumferentially and rotatably connected to the connecting cover 20.

In this embodiment, as shown in fig. 1 and 3, the battery airtightness detecting and connecting apparatus 100 further includes an adjusting member 70. The adjusting assembly 70 is disposed on the mounting frame 10, and the adjusting assembly 70 is used for adjusting the covering angle of the connecting cover 20. The posture of the connection cover 20 can be adjusted by the adjusting component 70 arranged on the mounting rack 10, so that the cover angle of the connection cover 20 after covering the port of the connector 40 can be adjusted, the cover gap of the connection cover 20 caused by the inclined cover of the port of the connector 40 can be avoided, and the sealing performance between the ports of the connection cover 20 and the connector 40 is further ensured.

Wherein the adjustment assembly 70 comprises two adjustment bars 71. Two adjusting holes are formed in the frame body 11 of the mounting frame 10, the two adjusting holes are respectively arranged on two sides of the driving rod 30, and the adjusting rods 71 correspond to the adjusting holes one to one. The adjusting rod 71 includes a rod 711 and a head 712 connected to one end of the rod 711, the rod 711 is inserted into the adjusting hole, and one end of the rod 711 far from the head 712 is screwed to the cover 23 of the connecting cover 20.

The adjusting rods 71 are respectively arranged on two sides of the driving rod 30, and the rod parts 711 of the two adjusting rods 71 are screwed on the cover body 23, so that the cover closing angle of the connecting cover 20 can be adjusted by loosening or tightening the adjusting rods 71 on two sides of the driving rod 30, and the adjusting assembly 70 with the structure is simple in structure and convenient to adjust.

Further, as shown in continued reference to fig. 1 and 3, the adjustment assembly 70 further includes two resilient members 72. The elastic members 72 correspond to the adjusting rods 71 one by one, the elastic members 72 are sleeved outside the rod 711, and two ends of the elastic members 72 respectively abut against the head 712 and the frame 11.

The elastic member 72 is sleeved outside the rod portion 711 of the adjusting rod 71, and two ends of the elastic member 72 respectively abut against the frame body 11 of the mounting frame 10 and the head portion 712 of the adjusting rod 71, so that the elastic member 72 can buffer the adjusting rod 71 and prevent the head portion 712 of the adjusting rod 71 from being in rigid contact with the frame body 11. In addition, when the battery air tightness detecting and connecting device 100 is not used, the elastic member 72 can provide an elastic tension force for the adjusting rod 71, so that the adjusting rod 71 and the mounting frame 10 are always in a tension state, thereby preventing the adjusting rod 71 from shaking relative to the mounting frame 10 easily in the moving process of the battery air tightness detecting and connecting device 100, and further easily accelerating the wear speed between accessories of the battery air tightness detecting and connecting device 100.

Illustratively, the elastic member 72 is a spring, the spring is sleeved outside the rod portion 711, and two ends of the spring respectively abut against the frame body 11 and the head portion 712. In other embodiments, the elastic member 72 may also have other structures, for example, the elastic member 72 is a V-shaped elastic sheet, through holes are formed at two free ends of the V-shaped elastic sheet, the rod 711 of the adjusting rod 71 sequentially passes through the through holes at the two free ends of the V-shaped elastic sheet, and the two free ends of the V-shaped elastic sheet respectively abut against the frame body 11 and the head 712.

In this embodiment, as shown in fig. 6, the battery airtightness detecting and connecting device 100 further includes a seal ring 80. The cap 23 has an abutting surface 231 for abutting against the port of the connector 40, the seal ring 80 is connected to the abutting surface 231 of the cap 23, and when the connection cap 20 is fitted to the port of the connector 40, the seal ring 80 is positioned between the connection cap 20 and the port of the connector 40.

Illustratively, the sealing ring 80 is bonded to the abutting surface 231 by glue, so that the sealing ring 80 can be replaced when the sealing ring 80 is worn or damaged, thereby reducing the post-maintenance cost of the battery airtightness detection connecting device 100.

Illustratively, the seal ring 80 is of an O-ring configuration.

In addition, the embodiment of the application also provides a detection device, which comprises a detection device and the battery airtightness detection connecting device 100. The detection device has an air feed pipe for interfacing with the air inlet 21.

When the detection equipment adopting the structure is used for detecting the air tightness of the battery, the tightness degree of the port of the connector 40 covered by the connecting cover 20 can be adjusted by adjusting the position of the driving rod 30 in the axis direction of the driving rod, so that the tightness degree of sealing is adjusted, the phenomenon that the connecting cover 20 is not in place in sealing easily when being worn is avoided, the tightness between the ports of the connecting cover 20 and the connector 40 is ensured, and the accuracy of the air tightness detection of the battery is further ensured.

The above description is only a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, improvement and the like made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. A battery airtightness detection connecting device is characterized by comprising:

a mounting for connecting to a connector of the battery, the connector having a port;

the connecting cover is movably arranged on the mounting frame and is provided with an air inlet; and

the driving rod is arranged on the mounting frame in a position-adjustable mode along the axis direction of the driving rod, and the driving rod is used for pushing the connecting cover to move relative to the mounting frame so that the connecting cover is sealed and closed on the port.

2. The battery airtightness detection connection apparatus according to claim 1, wherein the mounting frame is provided with a threaded hole;

and the driving rod is provided with an external thread matched with the threaded hole.

3. The battery airtightness detection connection apparatus according to claim 2, wherein the drive rod is axially locked and circumferentially rotatably connected to the connection cover.

4. The battery airtightness detection connection apparatus according to claim 3, wherein the connection cover has a mounting portion;

the mounting part is provided with a mounting hole;

one end of the driving rod, which is close to the connecting cover, is provided with a shaft boss, and the shaft boss is rotatably inserted into the mounting hole;

the shaft boss is connected with a limiting part, and the installation part is limited between the driving rod and the limiting part so as to limit the driving rod to move axially relative to the connecting cover.

5. The battery airtightness detection connection apparatus according to claim 1, wherein the connectors have protrusions on opposite sides thereof;

two clamping grooves are formed in the mounting frame, and each protrusion is used for being clamped in one clamping groove to limit the connector to move relative to the mounting frame in the direction away from the connecting cover.

6. The battery airtightness detection connection apparatus according to any one of claims 1 to 5, further comprising an adjustment member;

the adjusting component is arranged on the mounting rack and used for adjusting the covering angle of the connecting cover.

7. The battery airtightness detection connection apparatus according to claim 6, wherein the adjustment assembly includes two adjustment rods;

the mounting frame is provided with two adjusting holes, the two adjusting holes are respectively arranged on two sides of the driving rod, and the adjusting rods correspond to the adjusting holes one to one;

the adjusting rod comprises a rod part and a head part connected to one end of the rod part, the rod part penetrates through the adjusting hole, and one end, far away from the head part, of the rod part is in threaded connection with the connecting cover.

8. The battery airtightness detection connection apparatus according to claim 7, wherein the adjustment assembly further comprises two elastic members;

the elastic piece and the adjusting rod correspond to each other one by one, the elastic piece is sleeved on the outer side of the rod part, and two ends of the elastic piece are respectively abutted against the head part and the mounting rack.

9. The connection device for detecting the airtightness of the battery according to claim 1, wherein the mounting frame comprises a frame body and connection plates connected to both sides of the frame body;

the driving rod is arranged on the frame body along the axial direction of the driving rod in a position-adjustable manner, and the connecting plate is used for being connected to the connector;

the connecting cover is movably arranged on the connecting plates, the connecting cover is located between the two connecting plates, guide structures are arranged between the two connecting plates and the connecting cover, and the guide structures are used for limiting the moving direction of the connecting cover.

10. A test device comprising a test device and a battery hermeticity test connection device according to any one of claims 1 to 9;

the detection device is used for being in butt joint with the air inlet.