CN220690349U

CN220690349U - Sealing test fixture structure

Info

Publication number: CN220690349U
Application number: CN202322301556.1U
Authority: CN
Inventors: 何西山; 何西江
Original assignee: Shenzhen Fuminda Precision Ceramics Co ltd
Current assignee: Shenzhen Fuminda Precision Ceramics Co ltd
Priority date: 2023-08-26
Filing date: 2023-08-26
Publication date: 2024-03-29
Anticipated expiration: 2033-08-26

Abstract

The utility model discloses a sealing test fixture structure, which comprises: the bottom plate is adhered with a group of rubber blocks, and a lower die for placing the electric shaver is arranged between the tops of the group of rubber blocks; an L-shaped support plate is welded on the back side of the top of the bottom plate, a lower pressing plate is arranged on the top of the transverse end of the L-shaped support plate, the movable end of the lower pressing plate is positioned below the transverse end of the L-shaped support plate, and the lower pressing plate is arranged, the middle part of the bottom of the lower pressing plate is provided with a buffering cabin for steering, a discharge hole at the bottom of the buffering cabin is provided with a metal hose, and the discharge hole at the bottom of the metal hose is provided with an outlet pipe. This sealing test fixture structure is rigidity straight contact between downward pressure of outlet pipe and the electric shaver, reduces the pressure that the electric shaver received to avoid the shaver self structure to receive the destruction, guarantee the accuracy of leakproofness test result.

Description

Sealing test fixture structure

Technical Field

The utility model relates to the field of sealing test, in particular to a sealing test fixture structure.

Background

Before the electric shaver leaves the factory, the electric shaver needs to be subjected to spot check detection, one of which is the detection of sealing performance.

When the sealing performance of the electric shaver is detected, the detected air outlet/water port is in conflict with the inlet of the electric shaver, and in order to ensure the tight connection with the electric shaver to avoid leakage, larger pressure is used to enable the air outlet/water port to be tightly attached to the electric shaver, and at the moment, the downward pressure is born by an object to be detected, so that the structure of the electric shaver is easy to damage, the connection part of the electric shaver is leaked, and the sealing test result is deviated.

Disclosure of Invention

The utility model aims to provide a sealing test fixture structure for solving the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

a seal test fixture structure comprising:

the bottom plate is adhered with a group of rubber blocks, and a lower die for placing the electric shaver is arranged between the tops of the group of rubber blocks;

an L-shaped support plate is welded on the back side of the top of the bottom plate, a lower pressing plate is arranged on the top of the transverse end of the L-shaped support plate, the movable end of the lower pressing plate is positioned below the transverse end of the L-shaped support plate, the lower pressing plate is arranged, a buffer bin for steering is arranged in the middle of the bottom of the lower pressing plate, a metal hose is arranged at a discharge hole at the bottom of the buffer bin, and an outlet pipe is arranged at a discharge hole at the bottom of the metal hose;

the outer wall of outlet pipe has cup jointed the lantern ring, the curb plate has all been welded on the four sides of lantern ring outer wall, the slide hole has all been seted up at the four corners at holding down plate top, and has T type pole through slide hole sliding connection, and simultaneously, the bottom of T type pole links to each other with the top welding of curb plate, the bulge loop has been cup jointed to the outer wall of T type pole, the spring has been cup jointed between bulge loop and the holding down plate and is located to the outer wall of T type pole.

As a further scheme of the utility model: the extension board has been welded on the left side of buffering storehouse, buffering the bottom slidable mounting in storehouse has the slider, leans on left side two welding strip has been welded between the curb plate, it installs the link arm to rotate between slider and the welding strip, the solid fixed ring has been cup jointed at the middle part of metal collapsible tube outer wall, and installs the connecting rope between the left side of solid fixed ring and the link arm right side.

As still further aspects of the utility model: the front and back positions of the bottom of the sliding block are welded with a bump A, the front and back positions of the top of the welding strip are welded with a bump B, short shafts are rotatably installed between the two bumps A and the two bumps B through bearings, and meanwhile, a linkage arm is installed between the upper short shaft and the lower short shaft.

As still further aspects of the utility model: the bottom of the cache bin and the bottom of the extension plate are positioned on the same horizontal plane, and a sliding rail for sliding the sliding block is arranged between the bottom of the cache bin and the bottom of the extension plate.

As still further aspects of the utility model: an inlet connecting pipe is welded at the feed inlet on the right side of the cache bin, and a sealing ring is bonded at the outlet of the bottom of the outlet pipe.

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

1. the utility model discloses, when the outlet pipe downwards and electric shaver pushes down the contact, at first, the downward pressure that electric shaver received can transmit the rubber piece, absorb the buffering by the elasticity of rubber piece, and, when the outlet pipe pushes down the contact with electric shaver downwards, under the relative state, the lantern ring drives the curb plate and upwards moves, the bulge loop compresses the spring, also cushion the pressure that the outlet pipe was exerted downwards promptly, and then avoid when outlet pipe and electric shaver contact, be the straight contact of rigidity between outlet pipe decurrent pressure and the electric shaver, reduce the pressure that electric shaver received, thereby avoid razor self structure to suffer to destroy, guarantee the accuracy of leakproofness test result.

2. The utility model discloses, when the lantern ring drives curb plate upward movement, can promote the slider left side through the link arm, at this moment, through connecting rope pulling solid fixed ring left side removal, make metal collapsible tube be "<" shape, when avoiding upward movement, to metal collapsible tube compression bending jam, guarantee metal collapsible tube's smoothness.

Drawings

FIG. 1 is a schematic structural view of a seal test fixture;

FIG. 2 is a schematic view of a lower platen in a seal test fixture;

FIG. 3 is a schematic illustration of the connection of the linkage arm to the retaining ring in a seal test fixture configuration.

In the figure: the bottom plate 1, the rubber block 2, the lower die 3, the L-shaped support plate 4, the electric telescopic rod 5, the lower pressure plate 6, the buffer bin 7, the inlet connecting pipe 8, the metal hose 9, the outlet pipe 10, the sealing ring 11, the lantern ring 12, the side plate 13, the T-shaped rod 14, the convex ring 15, the spring 16, the extension plate 17, the sliding block 18, the convex block A19, the linkage arm 20, the convex block B21, the welding strip 22, the fixed ring 23 and the connecting rope 24.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1 to 3, the present utility model proposes a technical solution, a sealing test fixture structure, comprising:

the bottom plate 1, the top of the bottom plate 1 is adhered with a group of rubber blocks 2, the group of rubber blocks 2 is rectangular in top view, downward pressure born by the electric shaver can be transmitted to the rubber blocks 2, absorption and buffering are carried out by elasticity of the rubber blocks 2, a lower die 3 for placing the electric shaver is arranged between the tops of the group of rubber blocks 2, and a die cavity for clamping the electric shaver is arranged at the top of the lower die 3;

an L-shaped support plate 4 is welded on the back side of the top of the bottom plate 1, two triangular support blocks are welded between the vertical end part and the transverse end of the L-shaped support plate 4 and used for supporting the transverse end part of the L-shaped support plate 4 to avoid breakage, a lower pressing plate 6 is arranged on the top of the transverse end of the L-shaped support plate 4, the movable end of the lower pressing plate 6 is positioned below the transverse end of the L-shaped support plate 4 and is provided with the lower pressing plate 6, a buffer bin 7 for steering is arranged at the middle part of the bottom of the lower pressing plate 6, a metal hose 9 is arranged at the discharge hole of the bottom of the buffer bin 7, and an outlet pipe 10 is arranged at the discharge hole of the bottom of the metal hose 9;

the outer wall of outlet pipe 10 has cup jointed lantern ring 12, and the curb plate 13 has all been welded on the four sides of lantern ring 12 outer wall, and slide hole has all been seted up at the four corners at holding down plate 6 top, and has T type pole 14 through slide hole sliding connection, and simultaneously, the bottom of T type pole 14 links to each other with the top welding of curb plate 13, and the bulge loop 15 has been cup jointed to the outer wall of T type pole 14, and the outer wall of T type pole 14 has been cup jointed spring 16 between bulge loop 15 and holding down plate 6.

During detection, the downward pressure applied to the outlet pipe 10 is buffered, so that when the outlet pipe 10 is in contact with the electric shaver, the downward pressure of the outlet pipe 10 is prevented from being in rigid and straight contact with the electric shaver, the pressure received by the electric shaver is reduced, the structure of the shaver is prevented from being damaged, and the accuracy of a sealing test result is ensured

The left side of the buffer bin 7 is welded with an extension plate 17, the bottom of the buffer bin 7 is slidably provided with a sliding block 18, a welding strip 22 is welded between two side plates 13 near the left side, a linkage arm 20 is rotatably arranged between the sliding block 18 and the welding strip 22, the middle part of the outer wall of the metal hose 9 is sleeved with a fixed ring 23, a connecting rope 24 is arranged between the left side of the fixed ring 23 and the right side of the linkage arm 20, when the collar 12 drives the side plates 13 to move upwards, the sliding block 18 is pushed to the left side through the linkage arm 20, at the moment, the fixed ring 23 is pulled to move to the left side through the connecting rope 24, so that the metal hose 9 is in a "<" shape, and when the upward movement is avoided, the metal hose 9 is compressed, bent and blocked, and the smoothness of the metal hose 9 is ensured.

The front and back positions of the bottom of the sliding block 18 are welded with a bump A19, the front and back positions of the top of the welding strip 22 are welded with a bump B21, short shafts are rotatably installed between the two bumps A19 and the two bumps B21 through bearings, and meanwhile, the linkage arm 20 is installed between the upper short shaft and the lower short shaft.

The bottom of the buffer bin 7 and the bottom of the extension plate 17 are positioned on the same horizontal plane, and a sliding rail for sliding the sliding block 18 is arranged between the buffer bin 7 and the bottom of the extension plate 17.

The feed inlet department welding on the right side of buffering storehouse 7 has import connecting pipe 8, and the exit of outlet pipe 10 bottom bonds there is sealing ring 11, and when outlet pipe 10 contradicted with electric shaver, it can compress sealing ring 11, closely laminate between sealing ring 11's the bottom and the electric shaver, avoids there being the gap between outlet pipe 10 and electric shaver's the import, guarantees the accuracy of test result.

The working principle of the utility model is as follows:

when in use, taking the air tightness detection as an example, the inlet connecting pipe 8 is externally connected with an air pump outlet, and meanwhile, a pressure instrument is arranged on a pipeline;

placing the electric shaver in the die cavity of the lower die 3, and driving the lower pressing plate 6 to move downwards by the electric telescopic rod 5, so that the outlet of the outlet pipe 10 is opposite to the inlet of the electric shaver and is in contact with the inlet;

when the outlet pipe 10 is downward in pressing contact with the electric shaver, firstly, the downward pressure applied by the electric shaver is transmitted to the rubber block 2, and absorption and buffering are performed by the elasticity of the rubber block 2;

when the outlet pipe 10 is in downward pressing contact with the electric shaver, the collar 12 drives the side plate 13 to move upwards in a relative state, and the convex ring 15 compresses the spring 16, namely, buffers the downward pressure applied by the outlet pipe 10, so that the contact between the outlet pipe 10 and the electric shaver is avoided;

when the lantern ring 12 drives the side plate 13 to move upwards, the sliding block 18 is pushed to the left side through the linkage arm 20, and at the moment, the fixing ring 23 is pulled to move to the left side through the connecting rope 24, so that the metal hose 9 is in a "<" shape;

when the outlet tube 10 leaves the electric shaver, all the structures are restored under elastic return of the spring 16.

Although the present utility model has been described with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described, or equivalents may be substituted for elements thereof, and any modifications, equivalents, improvements and changes may be made without departing from the spirit and principles of the present utility model.

Claims

1. A sealing test fixture structure which is characterized in that: comprising the following steps:

the electric shaver comprises a bottom plate (1), wherein a group of rubber blocks (2) are adhered to the top of the bottom plate (1), and a lower die (3) for placing the electric shaver is arranged between the tops of the group of rubber blocks (2);

an L-shaped support plate (4) is welded on the back side of the top of the bottom plate (1), a lower pressing plate (6) is mounted on the top of the transverse end of the L-shaped support plate (4), the movable end of the lower pressing plate (6) is located below the transverse end of the L-shaped support plate (4), the lower pressing plate (6) is mounted, a buffer bin (7) for steering is mounted on the middle part of the bottom of the lower pressing plate (6), a metal hose (9) is mounted at the discharge hole of the bottom of the buffer bin (7), and an outlet pipe (10) is mounted at the discharge hole of the bottom of the metal hose (9);

the outer wall of outlet pipe (10) has cup jointed lantern ring (12), all welded in the four sides of lantern ring (12) outer wall has curb plate (13), slide hole has all been seted up at the four corners at holding down plate (6) top, and has T type pole (14) through slide hole sliding connection, simultaneously, the bottom of T type pole (14) links to each other with the top welding of curb plate (13), bulge loop (15) have been cup jointed to the outer wall of T type pole (14), the outer wall of T type pole (14) has cup jointed spring (16) between bulge loop (15) and holding down plate (6).

2. The seal test fixture structure of claim 1, wherein: extension board (17) have been welded in the left side of buffering storehouse (7), the bottom slidable mounting in buffering storehouse (7) has slider (18), leans on left side two weld between curb plate (13) has welding strip (22), rotate between slider (18) and welding strip (22) and install link arm (20), fixed ring (23) have been cup jointed in the middle part of metal collapsible tube (9) outer wall, and install connecting rope (24) between the left side of fixed ring (23) and link arm (20) right side.

3. A seal testing jig structure according to claim 2, wherein: the front and back positions of the bottom of the sliding block (18) are welded with the convex blocks A (19), the front and back positions of the top of the welding strip (22) are welded with the convex blocks B (21), short shafts are rotatably installed between the two convex blocks A (19) and the two convex blocks B (21) through bearings, and meanwhile, the linkage arm (20) is installed between the upper short shaft and the lower short shaft.

4. The seal test fixture structure of claim 1, wherein: the bottom of the cache bin (7) and the bottom of the extension plate (17) are positioned on the same horizontal plane, and a sliding rail for sliding the sliding block (18) is arranged between the bottom of the cache bin (7) and the bottom of the extension plate (17).

5. The seal test fixture structure of claim 1, wherein: an inlet connecting pipe (8) is welded at the feed inlet on the right side of the cache bin (7), and a sealing ring (11) is bonded at the outlet at the bottom of the outlet pipe (10).