CN221056027U - Testing arrangement suitable for ISOFIX connector - Google Patents

Abstract

The utility model relates to the field of fatigue testing machines and discloses a testing device suitable for an ISOFIX connector, which comprises a workbench, wherein a locking assembly for locking detection is arranged on the workbench, and a fixing assembly for fixing a seat is arranged on one side of the locking assembly; two positioning assemblies for fixing the connector are oppositely arranged between the fixing assembly and the locking assembly, and an unlocking assembly for releasing the locking state of the connector is arranged on the outer side of each positioning assembly; the connector which cannot be detached can be fixed on the workbench together with the seat for testing through the fixing assembly, the locking assembly and the unlocking assembly, or the connector which is detached can be fixed through the positioning assembly and then tested through the locking assembly; the device has solved the single problem of function of current accredited testing organization, and it not only can test alone to the connector, can also test connector and seat together.

Description

Testing arrangement suitable for ISOFIX connector

Technical Field

The utility model relates to the field of fatigue testing machines, in particular to a testing device suitable for an ISOFIX connector.

Background

ISOFIX (International Standards Organization FIX) is a system for connecting a child restraint system to a vehicle, wherein the child seat can perform an open-close cycle endurance test on its connection device before shipment. In order to test the fatigue service life of the ISOFIX connector, the problem of each part of the ISOFIX connector is found in time, an ISOFIX fatigue life tester is adopted by an existing child safety seat manufacturer to test the ISOFIX connector, an unlocking mechanism and a locking mechanism are usually arranged on ISOFIX assembly durability test equipment in the prior art, a child safety seat or a detachable connecting piece is placed on the ISOFIX assembly durability test equipment, and the durability of the ISOFIX assembly of the child safety seat is tested through repeated unlocking and locking of the ISOFIX assembly.

The existing test samples are numerous in types, some connectors can be detached for testing alone, and some connectors can only be fixedly installed on a seat for testing; the unlocking buttons of the ISOFIX connectors are not identical, and are pushed on one side and pushed on two sides; the ISOFIX assemblies with different specifications are different, so that the ISOFIX assemblies placed on the test equipment cannot be locked with ISOFIX fixed points on the test equipment, the universality is poor, and the test efficiency is low; meanwhile, different manufacturers have different requirements on unlocking force and testing frequency of products.

Aiming at the problems, a more general test machine is needed to be designed so as to meet the test of more types of connectors as much as possible, and meanwhile, the connection and unlocking of the connectors are simulated to carry out the open-close cycle test according to the normal operation flow and the real use condition.

Disclosure of utility model

The utility model aims to solve the problem of providing a testing device suitable for an ISOFIX connector, wherein a connector and a non-detachable connector are respectively fixed through a positioning component and a fixing component, and then fatigue testing is carried out on the connector and the non-detachable connector through a locking component.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

The testing device suitable for the ISOFIX connector comprises a workbench, wherein a locking assembly for locking detection is arranged on the workbench, and a fixing assembly for fixing a seat is arranged on one side of the locking assembly; two positioning assemblies for fixing the connector are oppositely arranged between the fixing assembly and the locking assembly, and unlocking assemblies for releasing the locking state of the connector are arranged on the outer sides of the positioning assemblies.

In a preferred embodiment of the present utility model, the locking assembly includes a locking bracket, on which a locking lever is provided, the locking lever being capable of entering the front end of the connector; the locking rod and the locking support can move along the X-axis direction, a tension spring for resetting the locking rod is further arranged between the locking rod and the locking support, and one side of the locking support is further provided with an inductive switch corresponding to the locking rod.

In a preferred embodiment of the present utility model, the locking assembly further includes a first telescopic member mounted on the workbench, an output end of the first telescopic member is connected to a push plate, and the locking bracket and the inductive switch are both mounted on the push plate.

In a preferred embodiment of the utility model, the fixing assembly comprises two sliding rails which are parallel to the X axis and are arranged on the workbench, a sliding block is arranged on the sliding rails in a sliding manner, a dental bar perpendicular to the workbench is arranged on the sliding block, a pressing plate is movably sleeved on the two dental bars, and the pressing plate can be lifted along the axial direction of the dental bar.

In a preferred embodiment of the present utility model, nuts are disposed on both the upper and lower sides of the pressing plate, and the nuts are screwed and sleeved on the dental bars.

In a preferred embodiment of the present utility model, the positioning assembly includes a retaining support, and a retaining rod parallel to the X axis is mounted on the retaining support;

A fixed seat is arranged on one side of the retaining rod, the front end of the connector can pass through the fixed seat, and a pressing handle is arranged on the top of the fixed seat in a penetrating manner;

The anti-return rod is characterized in that a side baffle is further arranged on one side, adjacent to the fixing seat, of the anti-return rod, a clamping head is arranged on one side of the fixing seat, and one end of the clamping head can penetrate through the workbench to move along the direction perpendicular to the X axis.

In a preferred embodiment of the present utility model, the unlocking assembly includes two clamping jaws capable of being opened and closed relatively, and both clamping jaws can move along the directions of the X axis and the Y axis.

In a preferred embodiment of the utility model, a clamping plate is arranged on the inner side of the clamping jaw, and a pressure spring is arranged between the clamping plate and the clamping jaw corresponding to the clamping plate.

In a preferred embodiment of the present utility model, a stop block is fixedly installed on the workbench near the locking component, an auxiliary component and a through hole are further provided on the workbench, and the through hole is located at one side of the stop block.

In a preferred embodiment of the utility model, the auxiliary assembly comprises a portal frame crossing the through hole, the portal frame can move along the X-axis direction, a third telescopic component is arranged at the top of the portal frame, the output end of the third telescopic component is connected with a chain, and the tail end of the chain is provided with a clamp.

Advantageous effects

(1) According to the utility model, the connector which cannot be detached and the seat can be fixed on the workbench together for testing under the combined action of the fixing component, the locking component and the unlocking component, and the connector which is detached can be independently tested after being fixed by the positioning component; the device has solved the problem of current accredited testing organization's function singleness, and it not only can test alone to the connector, can also test connector and seat together, and then the application scope and the detection efficiency that improve greatly.

(2) According to the unlocking mechanism, the connector can be unlocked through the unlocking component, and the two clamping jaws which are relatively opened and closed can unlock the buttons pushed by two sides and can unlock the buttons pushed by one side.

(3) To above-mentioned unblock subassembly, two clamping jaws are kneaded to the centre during the unblock, press the unblock piece to provide final pressure through the pressure spring, simultaneously to different strokes, splint and pressure spring can also buffer unnecessary stroke, avoid damaging the sample of waiting to test.

Drawings

FIG. 1 is a schematic view of the construction of a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the auxiliary assembly of the preferred embodiment of the present utility model;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is an enlarged view of a portion of FIG. 2 at C;

FIG. 5 is a schematic top view of a preferred embodiment of the present utility model;

FIG. 6 is a partial enlarged view at D in FIG. 5;

FIG. 7 is an enlarged view of a portion of FIG. 5 at E;

FIG. 8 is a schematic view of the structure of a workbench in a preferred embodiment of the utility model;

FIG. 9 is a schematic view of the structure of the fixing assembly of the preferred embodiment of the present utility model;

Wherein, 1, a workbench; 3. a locking assembly; 301. a first telescopic member; 302. a push plate; 303. a locking bracket; 304. a locking lever; 306. a tension spring; 311. an inductive switch; 321. a fixing seat; 322. pressing down the handle; 323. a stop block; 324. a clamping head; 325. a second telescopic member; 4. unlocking the assembly; 401. a finger cylinder; 402. a clamping jaw; 403. a clamping plate; 404. a pressure spring; 412. a sliding table; 413. a slide; 421. a backstop support; 422. a stop rod; 423. side baffles; 5. an auxiliary component; 501. a portal frame; 502. a third telescopic member; 503. a chain; 504. a clamp; 6. a fixing assembly; 601. a slide rail; 602. a slide block; 603. a pressing plate; 604. a dental stem; 7. and (3) a sample.

Detailed Description

The utility model will now be described in further detail with reference to the drawings and examples, which are simplified schematic illustrations of the basic structure of the utility model, which are presented only by way of illustration, and thus show only the structures that are relevant to the utility model.

As shown in fig. 1, a testing device suitable for an ISOFIX connector comprises a workbench 1, wherein a locking component 3, a positioning component, a fixing component 6, an unlocking component 4 and a PLC control component for controlling the device to work are arranged on the workbench 1; the locking component 3 is used for locking and detecting the ISOFIX connector, the positioning component is used for fixing the detachable connector, the fixing component 6 is used for fixing the non-detachable connector on the workbench 1 together with the seat, the unlocking component 4 is located on the outer side of the positioning component, and the locking component is used for unlocking the connector after being fixed through the positioning component or the fixing component 6, namely the locking component 3 locks the ISOFIX connector, the unlocking component 4 unlocks the ISOFIX connector, and the durability of the opening and closing cycle of the connector is measured by circulating the unlocking component.

As shown in fig. 3 and 6, the locking assembly 3 includes a locking bracket 303, the locking bracket 303 has a U-shaped structure, a locking rod 304 is transversely disposed on the locking bracket, the locking rod 304 can enter the front end of the connector, and a sensing switch 311 corresponding to the locking rod 304 is further disposed on one side of the locking bracket 303.

Specifically, a chute parallel to the X-axis direction is formed in the locking bracket 303, two ends of the locking rod 304 are located in the chute, a tension spring 306 is arranged between the locking rod 304 and the locking bracket 303, the tension spring 306 is located in the locking bracket 303, namely one end of the tension spring 306 is fixed on the locking bracket 303, and the other end of the tension spring is connected with the locking rod 304 for resetting the locking rod 304.

Further, the locking assembly 3 further comprises a first telescopic component 301 installed on the workbench 1, the output end of the first telescopic component 301 is connected with a push plate 302, and the locking bracket 303 and the induction switch 311 are both installed on the push plate 302; the lock lever 304 and the lock bracket 303 are both movable in the X-axis direction by the first telescopic member 301.

The X-axis direction is the length direction of the workbench 1, that is, the expansion direction of the first expansion member 301, and the first expansion member 301 adopts an air cylinder; the inductive switch 311 is preferably a proximity switch, which is a position switch that can be operated without mechanical direct contact with a moving component, and when the inductive surface of the object proximity switch reaches the action distance, the switch can be actuated without mechanical contact and any pressure application, so as to drive a direct current electric appliance or provide a control instruction for a PLC device; the number of the locking brackets 303 is set to two and corresponds to the number and positions of the connectors on the seat.

As shown in fig. 1-2 and fig. 9, the fixing component 6 is located at one side of the locking component 3, the fixing component 6 includes two sliding rails 601 parallel to the X axis, the sliding rails 601 are mounted on the workbench 1, a sliding block 602 is slidably mounted on the sliding rails 601, a dental bar 604 perpendicular to the workbench 1 is disposed on the sliding block 602, and a pressing plate 603 is movably sleeved on the two dental bars 604.

Specifically, two ends of the pressing plate 603 are respectively sleeved on the two dental bars 604, and can be lifted along the axial direction of the dental bars 604; nuts are arranged on the upper side and the lower side of the pressing plate 603, and the nuts are sleeved on the tooth bars 604 in a screwing mode; and the position on the workbench 1 close to the locking component 3 is fixedly provided with a stop block 323, the stop block 323 is preferably made of nylon materials into a long strip shape, and is used as a standard for placing a seat, one side of the stop block 323 is provided with a through hole, a supporting leg is arranged below the safety seat, the through hole enables the bottom of the seat to be attached to the working surface of the workbench 1, the action directions of the seat unlocking button and the unlocking component 4 are ensured to be parallel, and the torsion unlocking button is prevented.

As shown in fig. 2-3 and 7, the positioning assembly is located between the fixing assembly 6 and the locking assembly 3, and the positioning assembly comprises a retaining support 421 and a retaining rod 422, wherein the retaining rod 422 is slidably mounted on the retaining support 421, and the retaining rod 422 is parallel to the X axis; one side of the retaining rod 422 is provided with a fixing seat 321, and the top of the fixing seat 321 is provided with a pressing handle 322 in a penetrating way. Specifically, the pressing handle 322 is screwed and penetrates through the top of the fixing base 321, the fixing base 321 adopts a shape-like structure, after the front end of the connector passes through the fixing base 321, the pressing handle 322 is screwed and moves downwards to fix the front end of the connector in the fixing base 321, the retaining rod 422 extends into the shell of the retaining rod to support the connector, and the retaining rod 422 is provided with a scale to ensure that samples on the left side and the right side are placed at the same position; wherein, the retaining rod 422 can be fixed on the retaining support 421 by bolts after the retaining rod 422 is adjusted in position.

The side baffle 423 is further disposed on the side of the retaining rod 422 adjacent to the fixing seat 321, and the side baffle 423 is used for positioning the housing of the connector.

Further, a clamping head 324 is disposed on one side of the fixing base 321, and one end of the clamping head 324 can move along a direction perpendicular to the X-axis through the workbench 1 (as shown in fig. 8). A guide groove is formed in one side of the workbench 1, which is positioned on the fixing seat 321, the clamping head 324 is positioned in the guide groove, the bottom of the clamping head 324 is connected with the output end of the second telescopic part 325, the second telescopic part 325 adopts a double-rod air cylinder, and the clamping head 324 can be driven to extrude the connector so as to enable the connector to stably lean against the side baffle 423; for the above-mentioned seat, because the connecting device is not detachable, the inner side of the seat is supported and has a fixing effect.

As shown in fig. 1, 4, 5 and 7, the unlocking assembly 4 comprises two clamping jaws 402 which can be opened and closed relatively, the two clamping jaws 402 can move along the directions of an X axis and a Y axis, a clamping plate 403 is arranged on the inner side of the clamping jaw 402, and a pressure spring 404 is arranged between the clamping plate 403 and the clamping jaw 402 corresponding to the clamping plate; during unlocking, the two clamping jaws 402 are clamped in the middle, the unlocking piece is pressed, final pressure is provided through the pressure spring 404, and meanwhile, for different strokes, the clamping plate 403 and the pressure spring 404 can buffer redundant strokes, so that the sample 7 to be tested is prevented from being damaged.

Specifically, two clamping jaws 402 which are opened and closed relatively are installed at the output end of a finger cylinder 401, the finger cylinder 401 is installed on a sliding seat 413, the sliding seat 413 is sleeved on a sliding table 412 in a sliding manner, the sliding table 412 is parallel to the X-axis direction, and the sliding table 412 is installed on a workbench 1 through a sliding groove seat, so that the finger cylinder 401 can move along the X-axis direction, and the unlocking component 4 is driven to move along the X-axis direction; the chute seat is horizontally provided with a guide groove vertical to the X axis, and a screw penetrates through the guide groove from top to bottom and is fixedly connected with the sliding table 412, so that the sliding table 412 can move along the direction of the guide groove; that is, the clamping jaw 402 can adjust the position along the X axis and the direction vertical to the X axis so as to adapt to different samples and simultaneously facilitate sample replacement; wherein, the direction vertical to the X axis and parallel to the guide groove is the Y axis direction.

As shown in fig. 1-2, some special seats require a button (button in the form of an upward button) to be pulled on the end of the seat to unlock the connection device, on the basis of which an auxiliary assembly 5 is also provided on the table 1, which auxiliary assembly 5 can be used for auxiliary positioning of the seat, so as to be suitable for the fixing action for the special seat.

The auxiliary assembly 5 includes a gantry 501 crossing the through hole, the gantry 501 can move along the X-axis direction, a third telescopic member 502 is installed on the top of the gantry 501, an output end of the third telescopic member 502 is connected with a chain 503, and a clamp 504 is disposed at an end of the chain 503.

Specifically, a sliding component is installed at the bottom of the portal frame 501, the sliding component comprises two guide rods which are parallel to the X axis and are located on the outer side of the sliding rail 601, a base is slidably connected to the guide rods, and the base is used for supporting the portal frame 501 so that the portal frame 501 can move along the X axis direction to adjust the position.

Working principle:

During operation, the sample 7 is placed on the workbench 1, the crocodile clamp at the front end of the sample 7 stretches into the back-shaped fixing seat 321, the shell leans against the side baffle 423, then the clamping head 324 extrudes the side surface of the sample 7 under the pushing of the double-rod cylinder, the pressing handle 322 is rotated to press the sample 7, meanwhile, the retaining rod 422 stretches into the shell of the sample 7 to support the sample 7, so that the connector is fixed, and the retaining rod 422 is provided with a scale to ensure that the sample 7 at the left side and the right side is placed at the same position.

Then the first telescopic part 301 is pushed out, the locking rod 304 is pushed into the crocodile mouth of the sample 7 through the action of the push plate 302 and the locking bracket 303 to complete locking action, then the first telescopic part 301 is retracted, the locking rod 304 is left in the crocodile mouth, the inductive switch 311 is separated from the locking rod 304, the disconnection induction indicates that the locking function of the sample 7 is normal, (if the locking rod 304 is not separated from the inductive switch 311, the abnormal locking function of the connector is indicated, the control system can stop counting abnormal edges, and if both edges are abnormal, the system can alarm and stop); then the finger cylinder 401 at the side can act, so that the clamping jaws 402 at the two sides pinch towards the middle, the unlocking piece is pressed, the final pressing force is provided by the pressure spring 404, meanwhile, the clamping plate 403 and the pressure spring 404 can buffer redundant strokes, and the finger cylinder 401 can be used for unilateral pressing assemblies at the same time, so that the sample 7 is prevented from being clamped by the finger cylinder 401.

The finger cylinder 401 is kneaded (kneading time can be set) to unlock the connector, the locking rod 304 is pulled back to the original position under the action of the tension spring 306, and after the induction switch 311 senses again, the unlocking function of the connector is normal; (if the inductive switch 311 does not sense again, the abnormal function is indicated, the abnormal edge stops counting, and the double-side abnormal edge alarms to stop).

As shown in fig. 9, when some ISOFIX connectors are not detachable from the child safety seat, the whole seat can be placed on the workbench 1, the front end of the seat is abutted against the stop 323, and other actions and sequences are the same, but the seat only needs to be fixed in an auxiliary manner by the pressing plate 603. There are other samples 7 that require retraction of the clamp 504 to assist in unlocking.

To sum up, the device can carry out the individual detection to detachable connector, also can carry out integrative test to the connector of fixing on the seat, can be applicable to the ISOFIX subassembly of different specifications simultaneously, including unilateral and bilateral push the unblock, and can also adjust the position of unblock subassembly 4 in order to correspond different ISOFIX connectors, and the commonality is strong, and test efficiency is high.

The above-described preferred embodiments according to the present utility model are intended to suggest that, from the above description, various changes and modifications can be made by the person skilled in the art without departing from the scope of the technical idea of the present utility model. The technical scope of the present utility model is not limited to the description, but must be determined according to the scope of claims.

Claims (10)

1. A testing arrangement suitable for ISOFIX connector, its characterized in that: the device comprises a workbench (1), wherein a locking assembly (3) for locking detection is arranged on the workbench (1), and a fixing assembly (6) for fixing a seat is arranged on one side of the locking assembly (3); two positioning assemblies for fixing the connector are oppositely arranged between the fixing assembly (6) and the locking assembly (3), and an unlocking assembly (4) for releasing the locking state of the connector is arranged on the outer side of each positioning assembly.

2. The test device for ISOFIX connectors according to claim 1, wherein: the locking assembly (3) comprises a locking bracket (303), wherein a locking rod (304) is arranged on the locking bracket (303), and the locking rod (304) can enter the front end of the connector; the locking rod (304) and the locking bracket (303) can move along the X-axis direction, a tension spring (306) for resetting the locking rod (304) is further arranged between the locking rod and the locking bracket, and one side of the locking bracket (303) is further provided with a sensing switch (311) corresponding to the locking rod (304).

3. The test device for ISOFIX connectors according to claim 2, wherein: the locking assembly (3) further comprises a first telescopic component (301) arranged on the workbench (1), the output end of the first telescopic component (301) is connected with a push plate (302), and the locking support (303) and the inductive switch (311) are arranged on the push plate (302).

4. The test device for ISOFIX connectors according to claim 1, wherein: the fixing component (6) comprises two sliding rails (601) which are parallel to an X axis and are arranged on the workbench (1), sliding blocks (602) are slidably arranged on the sliding rails (601), dental bars (604) perpendicular to the workbench (1) are arranged on the sliding blocks (602), pressing plates (603) are movably sleeved on the dental bars (604), and the pressing plates (603) can be lifted along the axial direction of the dental bars (604).

5. The test device for ISOFIX connectors according to claim 4, wherein: nuts are arranged on the upper side and the lower side of the pressing plate (603), and the nuts are sleeved on the tooth bars (604) in a screwing mode.

6. The test device for ISOFIX connectors according to claim 1, wherein: the positioning assembly comprises a backstop support (421), and a backstop rod (422) parallel to the X axis is arranged on the backstop support (421);

A fixed seat (321) is arranged on one side of the retaining rod (422), the front end of the connector can pass through the fixed seat (321), and a pressing handle (322) is arranged on the top of the fixed seat (321) in a penetrating manner;

The anti-return rod (422) is adjacent to one side of the fixing seat (321) and is further provided with a side baffle (423), one side of the fixing seat (321) is provided with a clamping head (324), and one end of the clamping head (324) can penetrate through the workbench (1) to move along the direction perpendicular to the X axis.

7. The test device for ISOFIX connectors according to claim 1, wherein: the unlocking assembly (4) comprises two clamping jaws (402) which can be opened and closed relatively, and the two clamping jaws (402) can move along the X-axis and the Y-axis directions.

8. The test device for ISOFIX connectors according to claim 7, wherein: the clamping jaw (402) is provided with a clamping plate (403) on the inner side, and a pressure spring (404) is arranged between the clamping plate (403) and the clamping jaw (402) corresponding to the clamping plate.

9. The test device for ISOFIX connectors according to claim 1, wherein: the workbench (1) is fixedly provided with a stop block (323) at a position close to the locking component (3), the workbench (1) is further provided with an auxiliary component (5) and a through hole, and the through hole is positioned on one side of the stop block (323).

10. The test device for ISOFIX connectors according to claim 9, wherein: the auxiliary assembly (5) comprises a portal frame (501) crossing the through hole, the portal frame (501) can move along the X-axis direction, a third telescopic component (502) is installed at the top of the portal frame (501), the output end of the third telescopic component (502) is connected with a chain (503), and the tail end of the chain (503) is provided with a clamp (504).