CN221464824U - Airtight detection tool for sleeve assembly - Google Patents
Airtight detection tool for sleeve assembly Download PDFInfo
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- CN221464824U CN221464824U CN202322893516.0U CN202322893516U CN221464824U CN 221464824 U CN221464824 U CN 221464824U CN 202322893516 U CN202322893516 U CN 202322893516U CN 221464824 U CN221464824 U CN 221464824U
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- sleeve assembly
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- 238000001514 detection method Methods 0.000 title claims abstract description 41
- 238000012360 testing method Methods 0.000 claims abstract description 36
- 238000007789 sealing Methods 0.000 claims abstract description 16
- 230000001105 regulatory effect Effects 0.000 claims description 16
- 210000003437 trachea Anatomy 0.000 claims description 5
- 239000002184 metal Substances 0.000 claims description 4
- 238000000034 method Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 2
- 239000003921 oil Substances 0.000 description 12
- 230000009286 beneficial effect Effects 0.000 description 5
- 239000010687 lubricating oil Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
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- Examining Or Testing Airtightness (AREA)
Abstract
The utility model relates to the technical field of tightness testing devices, in particular to a sleeve assembly airtight detection tool, which comprises a base body, a detection part detachably connected to the base body, an air pipe communicated with the detection part and a control part communicated with the air pipe, wherein the detection part is connected with the base body in a detachable manner; the detection part comprises a plurality of air cylinders detachably connected to the base body and a plurality of test rods connected to the air cylinders in a threaded manner, and the test rods comprise a positioning section, a sealing section and a connecting section which are integrally formed from top to bottom; the test rod is provided with an axial air hole, the axial air hole extends into the positioning section from the bottom center of the connecting section, and the outer circle of the positioning section is provided with a radial air hole communicated with the axial air hole; an annular groove is formed in the outer circle of the sealing section, and a rubber ring is embedded in the annular groove. The detection device can simulate the working condition of a product in actual installation and test, so that the detection result is more realistic, and the tool can detect a plurality of sleeves at the same time, thereby effectively improving the detection efficiency.
Description
Technical Field
The utility model relates to the technical field of tightness testing devices, in particular to an airtight detection tool for a sleeve assembly.
Background
An odometer for an automobile is a device for recording the distance travelled by the automobile. The odometer assembly system comprises a vehicle speed sensor which is usually arranged beside an output shaft of the gearbox, the sensor is arranged in a sleeve in a penetrating way when being arranged, the sleeve can fix the sensor on the gearbox shell, a contact of the sensor stretches into the interior of the gearbox shell, a rotating signal of the output shaft of the gearbox is sensed through the contact, the signal is converted through the odometer assembly system, and the driving mileage of an automobile is displayed on an instrument panel; because the sensor contact stretches into the gearbox shell, there is lubricating oil in the gearbox, in order to prevent that lubricating oil from revealing from the clearance between sensor pole portion and the sleeve, the sleeve is inside to be provided with the oil blanket, and the sleeve must detect the leakproofness of the inside oil blanket of every sleeve after actual production and processing.
The tightness detection of the sleeve usually adopts a special detection device, the prior art 'an inflation detection device for testing the tightness of a container' (publication number: CN 206488906) discloses a device for detecting the tightness of a container, the detection mode is that a product container is sleeved on a jig, compressed air flows into the jig from an air pipe and finally fills into the product container, after inflation is completed, an air source pipeline is disconnected by an electromagnetic valve, a closed space is formed between the electromagnetic valve and the product container, and whether the air pressure value of the closed space meets a set value is detected by an electronic air pressure meter, so that whether the container leaks air is judged, but the prior art still has the following technical problems:
In the prior art, when detecting a product container, the product container needs to be sleeved on a jig, compressed air filled into the container can leak from a gap between the outer circle of the jig and the inner circle of the container, so that the air pressure value detected by an electronic air pressure meter cannot accurately reflect the actual air pressure in the container after inflation, and whether the tightness of the container is qualified cannot be judged.
Disclosure of utility model
The utility model provides a sleeve assembly airtight detection tool, which can solve the problem that the existing airtight detection device cannot accurately judge whether the tightness of a product is qualified or not.
The application provides the following technical scheme: the utility model provides a sleeve assembly airtight detection frock, includes base member, can dismantle the detection part of connecting on the base member, with the trachea of detection part intercommunication and the control division on the trachea; the detection part comprises a plurality of air cylinders detachably connected to the base body and a plurality of test rods connected to the air cylinders in a threaded manner, and the test rods comprise a positioning section, a sealing section and a connecting section which are integrally formed from top to bottom; the test rod is provided with an axial air hole, the axial air hole extends into the positioning section from the bottom center of the connecting section, and the outer circle of the positioning section is provided with a radial air hole communicated with the axial air hole; an annular groove is formed in the outer circle of the sealing section, and a rubber ring is embedded in the annular groove.
The beneficial effects are that: when the tightness of the sleeve is detected, the sleeve is sleeved into the sealing section from the positioning section of the test rod, the upper end of the positioning section is propped against the oil seal opening part in the sleeve, and the rubber ring of the sealing section can seal the contact gap between the inner wall of the sleeve and the outer circular surface of the sealing section of the test rod, so that a closed space is formed between the rubber ring and the oil seal in the sleeve, and after the gas is introduced into the closed space, the gas is prevented from leaking from the gap between the inner wall of the sleeve and the sealing section of the test rod, thereby influencing the detection result; whether observe the oil blanket from sleeve top oral area and whether emit the oil bubble can judge whether the oil blanket leaks gas, and then detect unqualified product, and this frock can detect a plurality of sleeves in the same time, has effectively promoted detection efficiency.
Further, the connecting section of test rod is equipped with the location step, and the connecting section threaded connection of location step below is equipped with the gasket on the gas receiver between the lower terminal surface of location step and the gas receiver up end.
The beneficial effects are that: the test rod is sleeved repeatedly through a large number of sleeves and taken out, the outer circle of the test rod can be worn, the test rod is more favorable to being replaced by adopting a threaded connection mode, and when the test rod is screwed up on the air storage cylinder, the gasket is tightly pressed on the upper surface of the air storage cylinder by the positioning step, so that the sealing effect is achieved on the threaded connection position of the test rod and the air storage cylinder.
Further, the base body comprises a rectangular bottom frame formed by fixing two bottom cross beams and two longitudinal beams by bolts, two vertical beams are vertically fixed at two ends of one bottom cross beam, and a top cross beam is horizontally fixed between the top ends of the two vertical beams; a middle cross beam is further fixed above the two longitudinal beams, and a plurality of air cylinders are respectively fixed on the bottom frame cross beam and the middle cross beam through metal binding belts.
The beneficial effects are that: adopt the screw to constitute the support frame of device with several crossbeam, longeron and vertical beam to be convenient for install gas receiver and trachea, and because can erect a plurality of middle part crossbeams between the longeron, make on the middle part crossbeam again can set up a plurality of gas receiver and testlever, thereby increase every batch and detect telescopic quantity simultaneously, improve detection efficiency.
Further, the air pipe comprises a pressure regulating valve, a main pipeline communicated with the pressure regulating valve and a plurality of branch pipelines communicated with the main pipeline; the pressure regulating valve is connected to the top cross beam through screws, and the branch pipeline is used for completely communicating all the air cylinders.
The beneficial effects are that: the pressure regulating valve can regulate the air pressure of the main pipeline according to the detection requirement, so that the air pressure in each air storage cylinder and the test rod communicated with the branch pipeline meets the test requirement.
Further, the control part comprises a power supply, a time relay, an electromagnetic valve and an indicator lamp which are electrically connected in sequence, wherein the electromagnetic valve is arranged on a main pipeline before gas enters the pressure regulating valve.
The beneficial effects are that: the time relay sets the duration of circuit communication, after the switch of the time relay is started, the time relay starts to time, the circuit communication enables the valve of the electromagnetic valve to be opened, gas enters into each air reservoir and the test rod from the main pipeline, the air tightness of the sleeve is detected, and meanwhile, the indicator light is lightened to prompt an operator that the device is in a detection state; after timing is finished, the circuit is disconnected, so that the valve of the electromagnetic valve is automatically closed, and the indicator lamp is extinguished to remind an operator of detection completion. The time relay limits the inflation time, simulates the working condition of the product in the actual installation test, and enables the detection result to be more realistic, thereby ensuring the quality of the product.
Drawings
Fig. 1 is a front view of the present utility model.
Fig. 2 is a left side view of fig. 1.
Fig. 3 is a front view of the test stick of fig. 1.
Detailed Description
The following is a further detailed description of the embodiments:
the labels in the drawings of this specification include: vertical beam 1, branch pipe 2, middle beam 3, gas receiver 4, bottom beam 5, test rod 6, radial air hole 61, location section 62, sealing section 63, rubber ring 64, axial air hole 65, connecting section 66, location step 67, main pipe 7, pressure regulating valve 8, longeron 9, top beam 10.
Example 1
As shown in fig. 1 to 3, a sleeve assembly airtight detection tool comprises a base body, a detection part fixed on the base body by a metal ribbon, an air pipe communicated with the detection part and a control part communicated with the air pipe.
As shown in fig. 1 and 2, the base body comprises a rectangular underframe formed by mutually fixing two bottom cross beams 5 and two longitudinal beams 9 by screws, two vertical beams 1 which are vertically upwards are fixed at two ends of the bottom cross beam 5 on the left side in fig. 2 by screws, and a top cross beam 10 shown in fig. 1 is fixed between the top ends of the two vertical beams 1 by screws; the middle cross beams 3 are further fixed above the two longitudinal beams 9 through screws, and the middle cross beams 3 can be arranged on the longitudinal beams 9 in parallel according to actual needs.
As shown in fig. 1, the detecting portion includes a plurality of air cylinders 4 fixed on the bottom beam 5 and the middle beam 3 by metal bands and a plurality of test bars 6 screwed on the air cylinders 4, the air cylinders 4 are rectangular with hollow inside, and cylinder covers are buckled at the left and right ends of the air cylinders 4, and can seal the inside of the air cylinders 4. As shown in fig. 3, the test lever 6 includes a positioning section 62, a sealing section 63, and a connecting section 66 integrally formed from top to bottom; the test rod 6 is internally provided with an axial air hole 65, the axial air hole 65 extends into the positioning section 62 from the bottom center of the connecting section 66, and the outer circle of the positioning section 62 is provided with a radial air hole 61 communicated with the axial air hole 65; the diameter of the outer circle of the sealing section 63 is smaller than that of the outer circle of the positioning section 62, an annular groove is formed in the middle of the outer circle of the sealing section 63, and a rubber ring 64 is embedded in the annular groove; the outer circle of the connecting section 66 is provided with a positioning step 67, the connecting section 66 below the positioning step 67 is provided with external threads, the upper surface of the air storage cylinder 4 is provided with internal threads matched with the external threads, the test rod 6 can be connected onto the air storage cylinder 4 in a threaded mode, a rubber gasket used for sealing is arranged between the lower end face of the positioning step 67 and the upper end face of the air storage cylinder 4, and the gasket can prevent air in the air storage cylinder 4 from leaking from a gap at the threaded connection position of the test rod 6 and the air storage cylinder 4.
As shown in fig. 1, the air pipe includes a pressure regulating valve 8, a main pipe 7 communicating with the pressure regulating valve 8, and a plurality of branch pipes 2 communicating with the main pipe 7; the pressure regulating valve 8 is connected on the top cross beam 10 by screws, the connection point of the main pipeline 7 and the branch pipelines 2 is connected by pipe joints, and the branch pipelines 2 are also communicated with cylinder covers at two ends of the air cylinder 4 by the pipe joints, so that air can enter the air cylinder 4 from the branch pipelines 2.
The control part comprises a power supply, a time relay, an electromagnetic valve and an indicator lamp, and the power supply, the time relay, the electromagnetic valve and the indicator lamp are electrically connected in series; the solenoid valve is arranged on the main line 7 before the gas enters the pressure regulating valve 8.
The using method of the tool comprises the following steps: according to the actual detection requirement of the product, setting the time delay of the time relay, and adjusting the pressure regulating valve 8 to enable the air pressure entering the test rod 6 from the main pipeline 7 to reach the preset requirement, taking the sleeve product in the embodiment as an example, setting the pressure regulating valve 8 at 0.05MPa, and setting the time delay of the time relay to be 20s; after the setting is completed, the test rod 6 is filled with the sleeve to be detected, the starting switch of the time relay is started, a circuit of the control part forms a passage, the valve of the electromagnetic valve is opened, the indicator lamp is lightened, gas enters from the main pipeline 7 and fills into the sleeve, the valve of the electromagnetic valve can maintain the opening state of 20s under the action of the time relay, an operator can observe the oil seal in the inner hole right above the sleeve, lubricating oil exists in the oil seal, the operator can judge that the oil seal leaks if oil bubbles are emitted, the operator can select unqualified products, and the sleeve assembly is qualified if the oil seal is not emitted in the time. After the 20s time is over, the time relay is disconnected from the circuit, the valve of the electromagnetic valve is closed, the indicator light is extinguished, and an operator can take down the detected sleeve and replace a new batch of sleeves to be detected for detection.
The above is merely an embodiment of the present utility model, and the present utility model is not limited to the field of the present embodiment, but the specific structure and characteristics of the present utility model are not described in detail. It should be noted that modifications and improvements can be made by those skilled in the art without departing from the structure of the present utility model, and these should also be considered as the scope of the present utility model, which does not affect the effect of the implementation of the present utility model and the utility of the patent. The protection scope of the present utility model is subject to the content of the claims, and the description of the specific embodiments and the like in the specification can be used for explaining the content of the claims.
Claims (5)
1. The utility model provides a sleeve assembly airtight detection frock, includes base member, can dismantle the detection part of connecting on the base member, with the trachea of detection part intercommunication and the control division on the trachea; the method is characterized in that: the detection part comprises a plurality of air cylinders detachably connected to the base body and a plurality of test rods connected to the air cylinders in a threaded manner, and the test rods comprise a positioning section, a sealing section and a connecting section which are integrally formed from top to bottom; the test rod is provided with an axial air hole, the axial air hole extends into the positioning section from the bottom center of the connecting section, and the outer circle of the positioning section is provided with a radial air hole communicated with the axial air hole; an annular groove is formed in the outer circle of the sealing section, and a rubber ring is embedded in the annular groove.
2. The sleeve assembly airtight detection tool according to claim 1, wherein: the connecting section of test rod is equipped with the location step, and the connecting section threaded connection of location step below is equipped with the gasket on the gas receiver between the lower terminal surface of location step and the gas receiver up end.
3. The sleeve assembly airtight detection tool according to claim 2, wherein: the base body comprises a rectangular bottom frame formed by fixing two bottom cross beams and two longitudinal beams by bolts, two vertical beams are vertically fixed at two ends of one bottom cross beam, and a top cross beam is horizontally fixed between the top ends of the two vertical beams; a middle cross beam is further fixed above the two longitudinal beams, and a plurality of air cylinders are respectively fixed on the bottom frame cross beam and the middle cross beam through metal binding belts.
4. A sleeve assembly air tightness detection tool according to claim 3, wherein: the air pipe comprises a pressure regulating valve, a main pipeline communicated with the pressure regulating valve and a plurality of branch pipelines communicated with the main pipeline; the pressure regulating valve is connected to the top cross beam through screws, and the branch pipeline is used for completely communicating all the air cylinders.
5. The sleeve assembly airtight detection tool according to claim 4, wherein: the control part comprises a power supply, a time relay, an electromagnetic valve and an indicator lamp which are electrically connected in sequence, and the electromagnetic valve is arranged on a main pipeline before gas enters the pressure regulating valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893516.0U CN221464824U (en) | 2023-10-26 | 2023-10-26 | Airtight detection tool for sleeve assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322893516.0U CN221464824U (en) | 2023-10-26 | 2023-10-26 | Airtight detection tool for sleeve assembly |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221464824U true CN221464824U (en) | 2024-08-02 |
Family
ID=92345898
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322893516.0U Active CN221464824U (en) | 2023-10-26 | 2023-10-26 | Airtight detection tool for sleeve assembly |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221464824U (en) |
-
2023
- 2023-10-26 CN CN202322893516.0U patent/CN221464824U/en active Active
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