CN216207351U

CN216207351U - Air tightness detection device

Info

Publication number: CN216207351U
Application number: CN202122577250.XU
Authority: CN
Inventors: 范艇海
Original assignee: ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY CO LTD
Current assignee: ZHUHAI YINGCHENG ELECTRONIC TECHNOLOGY CO LTD
Priority date: 2021-10-25
Filing date: 2021-10-25
Publication date: 2022-04-05
Anticipated expiration: 2031-10-25

Abstract

The utility model provides an air tightness detection device which comprises a cabinet body, a sliding seat and a lifting seat, wherein the sliding seat is arranged in the cabinet body and can move to the outside of the cabinet body; the lifting seat is arranged above the lower die in a lifting mode, the lifting seat is provided with the connecting air faucet and the upper die, the periphery of the upper die is connected with the periphery of the flexible rubber part in a sealing mode, the upper die is provided with the avoiding groove, the avoiding groove is communicated with the one-level accommodating groove, the connecting air faucet penetrates through the upper die and is communicated with the avoiding groove, the connecting air faucet can inflate the avoiding groove, or the connecting air faucet can take out air in the avoiding groove. The utility model can detect the air tightness of the semi-finished remote controller so as to improve the production efficiency.

Description

Air tightness detection device

Technical Field

The utility model relates to the field of detection devices, in particular to an air tightness detection device.

Background

In actual engineering places, more and more engineering vehicles, such as pump trucks, motor cars, fire fighting trucks and the like, adopt a remote control technology to operate and control the engineering vehicles through a remote controller. Because the engineering place is outdoor place mostly, receives weather and on-the-spot construction environment influence, in order to prevent that dust or rainwater from getting into the remote controller, require higher to the leakproofness of remote controller, consequently need carry out the leakproofness to the remote controller in process of production and detect. The remote controller generally comprises a shell, a sealing rubber sheet, a circuit board and a plurality of keys, wherein the circuit board is arranged in the shell, the keys are arranged on the shell and electrically connected with the circuit board, and the sealing rubber sheet is arranged on the keys and the shell to block gaps between the keys and the shell and prevent dust or water from entering the shell.

Traditional detection device generally carries out the gas tightness to the finished product remote controller and detects, need disassemble one by one and change or maintain each part of remote controller to detecting unqualified product, carries out the leakproofness again after the reassembly and detects, and this process operation is loaded down with trivial details, complicated, be unfavorable for improving work efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide an air tightness detection device capable of detecting the air tightness of a semi-finished remote controller.

In order to achieve the purpose, the utility model provides an air tightness detection device which comprises a cabinet body, a sliding seat and a lifting seat, wherein the sliding seat is arranged in the cabinet body and can move to the outside of the cabinet body; the lifting seat is arranged in the cabinet body in a liftable mode and located above the lower die, the lifting seat is provided with a connecting air faucet and an upper die, the periphery of the upper die is connected with the periphery of the flexible rubber part in a sealing mode, one side, facing the flexible rubber part, of the upper die is provided with a dodging groove, the dodging groove is communicated with the one-level accommodating groove, the connecting air faucet penetrates through the upper die and is communicated with the dodging groove, the connecting air faucet can inflate in the dodging groove, or the connecting air faucet can take out air in the dodging groove.

According to the scheme, the flexible rubber piece is arranged on the lower die, the semi-finished workpiece with the keys and the sealing rubber piece is placed on the flexible rubber piece, the periphery of the semi-finished workpiece is connected with the flexible rubber piece in a sealing mode through the pressing of the upper die, the semi-finished workpiece is divided into the upper cavity and the lower cavity between the upper die and the lower die, the two cavities are separated through the sealing rubber piece, then the upper cavity is inflated through the connecting air nozzle, the air pressure of the upper cavity is detected, and air tightness detection can be achieved. According to the utility model, the unqualified semi-finished workpieces with poor sealing performance can be found in time by performing air tightness detection on the semi-finished workpieces, so that the unqualified workpieces are convenient to repair in time, the assembly process of the unqualified semi-finished workpieces is omitted, and the production efficiency is improved.

The width of the avoiding groove is smaller than that of the primary accommodating groove, and the width of the avoiding groove is larger than that of the secondary accommodating groove; the length of the avoiding groove is smaller than that of the first-stage accommodating groove, and the length of the avoiding groove is larger than that of the second-stage accommodating groove.

The further scheme is that the second exhaust hole is arranged at the joint of the first-level accommodating groove and the second-level accommodating groove, and the second exhaust hole simultaneously penetrates through the groove bottom of the first-level accommodating groove and the groove bottom of the second-level accommodating groove.

The further scheme is that the second grade holding tank includes first groove section and second groove section, and first groove section and second groove section are arranged along second grade holding tank length direction and are arranged, are provided with the bellying between first groove section and the second groove section, and the notch of bellying protrusion second grade holding tank extends to the one-level holding tank, and a plurality of bar grooves have been seted up to the one end that the second groove section was kept away from to first groove section, bar groove and first groove section intercommunication.

The further proposal is that the flexible rubber part is made of rubber material or silica gel material.

The cabinet body comprises a bottom plate, a top plate and at least two side plates, the bottom plate and the top plate are arranged oppositely, one end of the bottom plate exceeds the end face of the top plate, the two side plates are respectively arranged on two sides of the bottom plate, and the side plates are connected between the bottom plate and the top plate.

Drawings

FIG. 1 is a block diagram of an embodiment of the present invention.

Fig. 2 is a cross-sectional view of an embodiment of the present invention.

Fig. 3 is an enlarged view at a in fig. 2.

Fig. 4 is a structural diagram of a flexible adhesive member and a workpiece in an embodiment of the utility model.

Fig. 5 is a structural view of a flexible adhesive member in the embodiment of the present invention.

The utility model is further explained with reference to the drawings and the embodiments.

Detailed Description

Referring to fig. 1 to 3, the air tightness detecting device provided in this embodiment includes a cabinet 1, a sliding seat 2, a lifting seat 3, and a lifting driving device 4. The cabinet body 1 includes a bottom plate 11, a top plate 12 and two side plates 13, the two side plates 13 are oppositely disposed on two sides of the bottom plate 11, the side plates 13 are connected between the bottom plate 11 and the top plate 12, a chamber 14 is formed between the bottom plate 11, the top plate 12 and the two side plates 13, the chamber 14 has an inlet and an outlet forward, the top plate 12 and the two side plates 13 are flush with one forward end face, and the forward end of the bottom plate 11 exceeds the forward end face of the top plate 12 and extends out of the chamber 14. Two guide rails are provided on the base plate 11, the guide rails extending from inside the chamber 14 to outside the chamber 14. The sliding seat 2 is arranged in the chamber 14 and can move towards the inlet and outlet, i.e. the sliding seat 2 can enter and exit the chamber 14 from the inlet and outlet. Specifically, the bottom of sliding seat 2 is provided with the slider with the guide rail complex, and sliding seat 2 can move along the extending direction of guide rail, for the convenience of staff's pull-out or push-in sliding seat 2, preferably sets up the handle at sliding seat 2's front end.

Be provided with lower mould 21 and flexible glue 22 on sliding seat 2, the middle part of lower mould 21 is provided with mounting groove 211, and flexible glue 22 sets up in mounting groove 211, and the protruding roof in lower mould 21 in the upper portion of flexible glue 22. The lower die 21 is provided with a first exhaust hole 212 penetrating the bottom of the mounting groove 211, that is, the first exhaust hole 212 penetrates the bottom wall of the lower die 21 and communicates with the outside. One-level holding tank 221 has been seted up to flexible glue piece 22, second grade holding tank 222 and second exhaust hole 223, second grade holding tank 222 is from the tank bottom middle part undercut of one-level holding tank 221, promptly in vertical direction, the tank bottom of second grade holding tank 222 is less than the tank bottom of one-level holding tank 221, one-level holding tank 221 and second grade holding tank 222 intercommunication, the both ends of second exhaust hole 223 communicate with second grade holding tank 222 and first exhaust hole 212 respectively for with the air discharge external world in the second grade holding tank 222.

The lifting seat 3 is arranged in the chamber 14 in a lifting manner and is located above the sliding seat 2, the lifting driving device 4 is arranged on the top plate 12 and is connected with the lifting seat 3 for driving the lifting seat 3 to move along the vertical direction, and the lifting driving device 4 can be a pneumatic driving device or a hydraulic driving device. The lifting seat 3 is provided with a connecting air nozzle 31 and an upper die 32, and the upper die 32 is arranged corresponding to the lower die 21. The flexible rubber part 22 is made of rubber material or silica gel material, and after the lifting seat 3 descends to the upper die 32 and the flexible rubber part 22, the periphery of the upper die 32 is hermetically connected with the periphery of the flexible rubber part 22.

An avoiding groove 321 is formed in one side, facing the lower die 21, of the upper die 32, and the avoiding groove 321 is communicated with the first-stage accommodating groove 221 and the second-stage accommodating groove 222 respectively. Specifically, the width of the avoiding groove 321 is smaller than that of the primary accommodating groove 221, and the width of the avoiding groove 321 is larger than that of the secondary accommodating groove 222; the length of the avoiding groove 321 is smaller than that of the first-stage accommodating groove 221, and the length of the avoiding groove 321 is greater than that of the second-stage accommodating groove 222. The upper die 32 is further provided with a through hole, and the connecting air nozzle 31 is communicated with the avoiding groove 321 through the through hole.

In an embodiment, the connection nozzle 31 is connected to an external air supply device, and is used for inflating the avoidance groove 321, and detecting the air pressure in the avoidance groove 321 by an external detection device, so as to achieve air tightness detection.

In another embodiment, the connection nozzle 31 is connected to an external vacuum pumping device for pumping air out of the avoiding groove 321, and the external detection device detects the vacuum degree in the avoiding groove 321 to achieve air tightness detection.

During detection, the workpiece 5 is reversely buckled in the primary accommodating groove 221, the peripheral edge of the workpiece 5 is supported on the groove bottom of the primary accommodating groove 221, when the upper die 32 descends, the peripheral edge of the avoiding groove 321 is in contact with the workpiece 5 and presses the workpiece 5 downwards, the periphery of the workpiece 5 is in sealing connection with the flexible rubber part 22, meanwhile, the upper die 32 is in contact with the top wall of the flexible rubber part 22 and presses the flexible rubber part 22 downwards, the periphery of the upper die 32 is in sealing connection with the periphery of the flexible rubber part 22, an upper cavity is formed among the avoiding groove 321, the upper surface of the workpiece 5 and the primary accommodating groove 221, a lower cavity is formed between the lower part of the workpiece 5 and the secondary accommodating groove 222, and the upper cavity and the lower cavity are separated by a sealing rubber sheet of the workpiece 5; when in detection, the tightness of the workpiece 5 can be detected only by carrying out air tightness detection on the upper cavity. Taking inflation detection as an example, when gas is filled in the upper cavity, the air pressure of the upper cavity is greater than that of the lower cavity, and at the moment, the sealant sheet protrudes downwards and extrudes the air in the lower cavity, so that the air in the lower cavity can be exhausted outside through the first exhaust hole 212 and the second exhaust hole 223, smooth detection is ensured, and the workpiece 5 cannot be damaged.

Referring to fig. 4 and 5, second grade holding tank 222 includes first groove section and second groove section, and first groove section and second groove section are arranged along second grade holding tank 222 length direction and are arranged, are provided with bellying 224 between first groove section and the second groove section, and bellying 224 upwards protrudes the notch of second grade holding tank 222 and extends to one-level holding tank 221, and a plurality of bar grooves 225 have been seted up to the one end that second groove section was kept away from to first groove section, bar groove 225 and first groove section intercommunication for dodge the protruding structure of work piece 5.

The second exhaust hole 223 is located in the second groove section, the second exhaust hole 223 is disposed at the connection of the first-stage receiving groove 221 and the second-stage receiving groove 222, and the second exhaust hole 223 penetrates through the groove bottom of the first-stage receiving groove 221 and the groove bottom of the second-stage receiving groove 222 at the same time.

In summary, the utility model has the advantages that the flexible rubber piece is arranged on the lower die, the semi-finished workpiece with the keys and the sealing rubber sheet is placed on the flexible rubber piece, the periphery of the semi-finished workpiece is connected with the flexible rubber piece in a sealing mode by pressing down the upper die, so that the semi-finished workpiece is divided into the upper cavity and the lower cavity between the upper die and the lower die, the two cavities are separated by the sealing rubber sheet, then the upper cavity is inflated through the connecting air nozzle, the air pressure of the upper cavity is detected, and the air tightness detection can be realized. According to the utility model, the unqualified semi-finished workpieces with poor sealing performance can be found in time by performing air tightness detection on the semi-finished workpieces, so that the unqualified workpieces are convenient to repair in time, the assembly process of the unqualified semi-finished workpieces is omitted, and the production efficiency is improved.

Finally, it should be emphasized that the above-described preferred embodiments of the present invention are merely examples of implementations, not limitations, and various changes and modifications may be made by those skilled in the art, without departing from the spirit and scope of the utility model, and any changes, equivalents, improvements, etc. made within the spirit and scope of the present invention are intended to be embraced therein.

Claims

1. An airtightness detection apparatus, comprising:

a cabinet body;

the sliding seat is arranged in the cabinet body and can move to the outside of the cabinet body, a lower die and a flexible rubber part are arranged on the sliding seat, the flexible rubber part is arranged on the lower die and protrudes out of the top wall of the lower die, a first exhaust hole is formed in the lower die in a penetrating mode, a primary accommodating groove, a secondary accommodating groove and a second exhaust hole are formed in the flexible rubber part, the secondary accommodating groove is sunken downwards from the groove bottom of the primary accommodating groove, the primary accommodating groove is communicated with the secondary accommodating groove, and the second exhaust hole penetrates through the groove bottom of the secondary accommodating groove and is communicated with the first exhaust hole;

the lifting seat, the lifting seat sets up liftably the cabinet is internal and lie in the top of lower mould, the lifting seat is provided with connects the air cock and goes up the mould, go up around the mould with sealing connection all around of flexible gluey piece, go up the mould orientation one side of flexible gluey piece is provided with dodges the groove, dodge the groove with one-level holding tank intercommunication, connect the air cock and pass go up the mould with dodge the groove intercommunication, connect the air cock can to dodge the inslot and aerify, perhaps, connect the air cock and can take out dodge the air of inslot.

2. The airtightness detection apparatus according to claim 1, wherein:

the width of the avoiding groove is smaller than that of the primary accommodating groove, and the width of the avoiding groove is larger than that of the secondary accommodating groove;

the length of the avoiding groove is smaller than that of the first-stage accommodating groove, and the length of the avoiding groove is larger than that of the second-stage accommodating groove.

3. The airtightness detection apparatus according to claim 1, wherein:

the second exhaust hole sets up the one-level holding tank with the junction of second grade holding tank, the second exhaust hole runs through simultaneously the tank bottom of one-level holding tank with the tank bottom of second grade holding tank.

4. The airtightness detection apparatus according to claim 1, wherein:

the second grade holding tank includes first groove section and second groove section, first groove section with the second groove section is followed second grade holding tank length direction arranges and arranges, first groove section with be provided with the bellying between the second groove section, the bellying protrusion the notch of second grade holding tank and to the one-level holding tank extends, first groove section is kept away from a plurality of bar grooves have been seted up to the one end of second groove section, the bar groove with first groove section intercommunication.

5. The airtightness detection apparatus according to any one of claims 1 to 4, wherein:

the flexible rubber part is made of rubber materials or silica gel materials.

6. The airtightness detection apparatus according to any one of claims 1 to 4, wherein:

the cabinet body includes bottom plate, roof and two at least curb plates, the bottom plate with the roof is arranged relatively, the one end of bottom plate surpasss the terminal surface of roof, two the curb plate is established respectively the both sides of bottom plate, the curb plate is connected the bottom plate with between the roof.