CN208443531U - Seal gas leakage test fixture - Google Patents

Abstract

The utility model discloses a kind of sealing gas leakage test fixtures to be equipped with handle, pull rod and push rod including bottom plate, the mounting base being fixed on bottom plate and support base in mounting base, and when handle is swung, pull rod pulls push rod flexible；It is provided with mounting hole on support base, is fixed with hexagonal (hexagon)nut far from one end of mounting base in mounting hole, hexagonal (hexagon)nut is equipped with the closed closure of screw hole, and via hole is provided in closure；Air inlet pipe is fitted in mounting hole, jacking block is fixed in the inner end of air inlet pipe, rubber mat is lined between jacking block and hexagonal (hexagon)nut closure, via hole is provided on jacking block and rubber mat, when rubber mat is pressed to hexagonal (hexagon)nut closure by jacking block, rubber mat is squeezed itself via hole and closes and block closure via hole；And the outer end nozzle of air inlet pipe is closed and is fixed with push rod, is equipped with suction nozzle in air inlet pipe outer end.To provide a kind of sealing gas leakage test fixture, test result is relatively reliable, and structure is simple, more convenient to use, production cost is lower.

Description

Seal gas leakage test fixture

Technical field

The utility model provides a kind of sealing gas leakage test fixture, in particular, being mainly used for cooperation sews test machine Gas leakage test is sealed to resin hollow pipe.

Background technique

Currently, resin hollow pipe is sealed gas leakage test using test machine collocation jig is sewed, wherein jig is by cylinder Power transmission of the piston as movement, for by the closed at one end of resin hollow pipe；Then from test machine is sewed to resin hollow Pipe is sent into gas, if resin hollow pipe is air tight, just has gas outflow, to realize that the sealing gas leakage of resin hollow pipe is surveyed Examination.The motion-promotion force transmission mode of existing cylinder piston has that air pressure deficiency and air pressure are unstable, causes resin hollow pipe Corresponding end sealing it is unreliable, make gas leakage test result it is unreliable；And cylinder piston is at high cost, is unfavorable for production cost Control.

Utility model content

The technical problem to be solved by the utility model is to provide a kind of results reliably to seal gas leakage test fixture.

The technical solution of the utility model is as follows: a kind of sealing gas leakage test fixture, including bottom plate, solid on the bottom plate Surely there are spaced apart mounting base and support base, handle is installed in the mounting base, the lower part of the handle passes through fixation Axis is hinged in mounting base, is hinged with one end of pull rod in the lower end of the handle, in the mounting base towards the one of support base End is fitted with push rod, and the inner end of the push rod and the other end of pull rod are hinged, and when handle is swung, pull rod pulls push rod flexible； It is provided with mounting hole on the support base, is fixed with the hexagonal spiral shell of prominent support base far from one end of mounting base in the mounting hole Cap, the hexagonal (hexagon)nut are equipped with far from one end of mounting base by the closed closure of screw hole, are provided with via hole in the closure； It is fitted with air inlet pipe in the mounting hole, jacking block is fixed in the inner end nozzle of the air inlet pipe, in the jacking block and hexagonal Be lined with rubber mat between nut closure, be provided with via hole on the jacking block and rubber mat, the air inlet pipe orifice, jacking block via hole, Rubber mat via hole is connected to closure via hole；The outer end nozzle of the air inlet pipe is closed and is fixed with push rod, in air inlet pipe outer end It is additionally provided with suction nozzle, the suction nozzle is connected to air inlet pipe orifice；When the air inlet pipe under push rod effect to mounting hole expert Into when, rubber mat is pressed to hexagonal (hexagon)nut closure by jacking block, and rubber mat is squeezed itself via hole and closes and block closure via hole.

The utility model is by being arranged mounting base and support base, installing push rod, air inlet respectively in mounting base and support base Pipe and hexagonal (hexagon)nut, and jacking block and rubber mat are set between air inlet pipe and hexagonal (hexagon)nut, in actual use, hexagonal (hexagon)nut is passed through Corresponding interfacing part is docked with resin hollow pipe, and resin hollow pipe, which is mounted on, sews on test machine, first with suction nozzle to air inlet Inflation, makes gas enter resin hollow pipe from the via hole of hexagonal (hexagon)nut closure in pipe, after the completion of inflating, driving handle, rush It stretches out push rod, air inlet pipe and jacking block is pushed to go deep into support base mounting hole, compressed rubber mat using jacking block, to close hexagonal Nut closure via hole and rubber mat via hole cut off gas source, then supply gas from test machine is sewed to resin hollow pipe, if resin is empty Heart pipe is air tight, just has gas outflow, to realize the sealing gas leakage test of resin hollow pipe.Pass through handle, pull rod in this way Mechanical linkage between push rod is that can ensure that the closing of hexagonal (hexagon)nut closure via hole, the cutting of gas source is realized, relative to gas The mode of the cylinder piston, is not influenced by air pressure, keeps test result more reliable and more stable；Also, pure mechanical structure, does not need Pneumatic system is set, and structure is simpler, operation is more convenient, is conducive to the control of production cost；Moreover jacking block and glue are set Pad cooperates with the closure of hexagonal (hexagon)nut, and making to inflate and hold one's breath, it is simpler to operate, more convenient to use.

Bearing is installed in one end of the support base towards mounting base, the bearing is located at the correspondence end of mounting hole, And bearing holder (housing, cover) is in air inlet pipe.Easier for installation, the stabilization of air inlet pipe.

The support base forms protruding portion far from one end protrusion of mounting base, and the hexagonal (hexagon)nut is threaded in protruding portion On.The mounting structure of hexagonal (hexagon)nut is simple.

Internal screw thread is equipped on the suction nozzle.More convenient connection gas source.

The mounting base includes pedestal and side plate, is equipped with notch, the notch far from one end of support base in the pedestal Upper end run through the top surface of pedestal, pan frontward end is run through in the front side of notch, and the fixing axle is fixed in notch, the handle Lower part is located in notch, and the side plate is fixedly connected on the front side of notch, and the front side of notch is covered.The structure letter of mounting base Single, production is easy；The charge and discharge operations of handle and pull rod are convenient.

Preferably, the rubber mat uses silica gel material.

The utility model has the advantages that the utility model is installed respectively by setting mounting base and support base, in mounting base and support base Push rod, air inlet pipe and hexagonal (hexagon)nut, and jacking block and rubber mat are set between air inlet pipe and hexagonal (hexagon)nut, to provide a kind of close Leak sealing gas test fixture, do not influenced by air pressure stability, test result it is more reliable and more stable, pure mechanical structure is simpler It is single, more convenient to use, production cost is lower.

Detailed description of the invention

It, below will be right in order to illustrate more clearly of specific embodiment of the present invention or technical solution in the prior art Specific embodiment or attached drawing needed to be used in the description of the prior art are briefly described.In all the appended drawings, similar Element or part are generally identified by similar appended drawing reference.In attached drawing, each element or part might not be according to actual ratios It draws.

Fig. 1 is the structural schematic diagram of the utility model embodiment.

Fig. 2 is the schematic diagram of internal structure of Fig. 1.

Fig. 3 is the working principle diagram of the utility model embodiment

Appended drawing reference: bottom plate 1, mounting base 2, notch 2a, pedestal 211, side plate 212, support base 3, mounting hole 3a, protruding portion 3b, hexagonal (hexagon)nut 4, air inlet pipe 5, suction nozzle 5a, bearing 6, push rod 7, handle 8, rubber mat 9, jacking block 10, fixing axle 11, pull rod 12.

Specific embodiment

It is described in detail below in conjunction with embodiment of the attached drawing to technical solutions of the utility model.Following embodiment is only For clearly illustrating the technical solution of the utility model, therefore it is only used as example, and it is originally practical to cannot be used as a limitation limitation Novel protection scope.

In the description of the present application, it is to be understood that term " on ", "lower", "front", "rear", "top", "bottom" "inner", The orientation or positional relationship of the instructions such as "outside" is to be based on the orientation or positional relationship shown in the drawings, and is merely for convenience of describing this reality It is described with novel with simplified, rather than the device or element of indication or suggestion meaning must have a particular orientation, with specific Orientation construction and operation, therefore should not be understood as limiting the present invention.

In this application unless specifically defined or limited otherwise, term " installation ", " connected ", " connection ", " fixation " etc. Term shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integral；It can be mechanical connect It connects, is also possible to be electrically connected；It can be directly connected, can also can be in two elements indirectly connected through an intermediary The interaction relationship of the connection in portion or two elements.It for the ordinary skill in the art, can be according to specific feelings Condition understands the concrete meaning of above-mentioned term in the present invention.

As shown in Figure 1, Figure 2 and Figure 3, the present embodiment includes horizontally disposed rectangular base plate 1, fixed on the bottom plate 1 There are spaced apart mounting base 2 and support base 3.Handle 8 is installed in the mounting base 2, the lower part of the handle 8 passes through solid Dead axle 11 is hinged in mounting base 2, and is hinged with one end of pull rod 12 in the lower end of the handle 8.In 2 court of mounting base Horizontal push rod 7 is fitted with to one end of support base 3, the inner end of the push rod 7 and the other end of pull rod 12 are hinged, when handle 8 When swing, pull rod 12 pulls push rod 7 flexible.

As shown in Figure 1, Figure 2 and Figure 3, the mounting base 2 includes pedestal 211 and side plate 212, separate in the pedestal 211 One end of support base 3 is equipped with notch 2a, and the top surface of pedestal 211 is run through in the upper end of the notch 2a, and bottom is run through in the front side of notch 2a 211 front ends of seat.The fixing axle 11 is fixed in notch 2a, and the lower part of the handle 8 and pull rod 12 are respectively positioned in notch 2a, and And the inner end of push rod 7 is protruded into notch 2a.The side plate 212 is fixedly connected on the front side of notch 2a, thus by before notch 2a Side masking.

As shown in Figure 1, Figure 2 and Figure 3, it is provided with mounting hole 3a on the support base 3, in the mounting hole 3a far from installation One end of seat 2 is fixed with the hexagonal (hexagon)nut 4 of prominent support base 3.The preferably described support base 3 of the present embodiment far from mounting base 2 one Distal process rises and forms protruding portion 3b, and the hexagonal (hexagon)nut 4 is threaded on protruding portion 3b.The hexagonal (hexagon)nut 4 is far from mounting base 2 One end be equipped with by the closed closure of screw hole, via hole is provided in the closure, closure is by the corresponding end of hexagonal (hexagon)nut 4 It is extended to form into hole.

As shown in Figure 1, Figure 2 and Figure 3, it is fitted with air inlet pipe 5 in the mounting hole 3a, in the inner end of the air inlet pipe 5 Nozzle is fixed with jacking block 10, is lined with rubber mat 9 between 4 closure of the jacking block 10 and hexagonal (hexagon)nut.In the jacking block 10 and glue Via hole is provided on pad 9,5 inner hole of air inlet pipe, the via hole of 4 closure of 10 via hole of jacking block, 9 via hole of rubber mat and hexagonal (hexagon)nut are equal Connection.The rubber mat 9 uses silica gel material.The outer end nozzle of the air inlet pipe 5 is closed and, true upper air fixed with push rod 7 Pipe 5 and push rod 7 are the structure of circular cross-section, and air inlet pipe 5 and push rod 7 are coaxially arranged.Mounting hole 3a on the support base 3 In the round hole matched with air inlet pipe 5, bearing 6 is installed in one end of support base 3 towards mounting base 2, the bearing 6 is located at The correspondence end of mounting hole 3a, and 6 sets of bearing in air inlet pipe 5.Suction nozzle 5a, institute are additionally provided in 5 outer end of air inlet pipe It states suction nozzle 5a to be connected to the inner hole of air inlet pipe 5, internal screw thread is equipped on the suction nozzle 5a.

As shown in figure 3, jacking block 10 is by rubber mat 9 when the air inlet pipe 5 is advanced under the effect of push rod 7 into mounting hole 3a The closure of hexagonal (hexagon)nut 4 is pressed to, rubber mat 9 is squeezed itself via hole and closes and block up the via hole in 4 closure of hexagonal (hexagon)nut Firmly.

Finally, it should be noted that the above various embodiments is only to illustrate the technical solution of the utility model, rather than it is limited System；Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should Understand: it is still possible to modify the technical solutions described in the foregoing embodiments, or to some or all of Technical characteristic is equivalently replaced；And these are modified or replaceed, it does not separate the essence of the corresponding technical solution, and this is practical new The range of each embodiment technical solution of type, should all cover in the claim of the utility model and the range of specification.

Claims (6)

1. a kind of sealing gas leakage test fixture, it is characterised in that: including bottom plate, spaced apart peace is fixed on the bottom plate Seat and support base are filled, handle is installed in the mounting base, the lower part of the handle is hinged in mounting base by fixing axle, It is hinged with one end of pull rod in the lower end of the handle, is fitted with push rod in one end of the mounting base towards support base, it is described The inner end of push rod and the other end of pull rod are hinged, and when handle is swung, pull rod pulls push rod flexible；

It is provided with mounting hole on the support base, is fixed with the six of prominent support base far from one end of mounting base in the mounting hole Angle nut, the hexagonal (hexagon)nut are equipped with the closed closure of screw hole far from one end of mounting base, are provided in the closure Via hole；Be fitted with air inlet pipe in the mounting hole, be fixed with jacking block in the inner end nozzle of the air inlet pipe, the jacking block with It is lined with rubber mat between hexagonal (hexagon)nut closure, via hole, the air inlet pipe orifice, jacking block mistake are provided on the jacking block and rubber mat Hole, rubber mat via hole are connected to closure via hole；The outer end nozzle of the air inlet pipe is closed and is fixed with push rod, outside air inlet pipe End is additionally provided with suction nozzle, and the suction nozzle is connected to air inlet pipe orifice；

When the air inlet pipe is advanced under push rod effect into mounting hole, rubber mat is pressed to hexagonal (hexagon)nut closure, glue by jacking block Pad is squeezed itself via hole and closes and block closure via hole.

2. sealing gas leakage test fixture according to claim 1, it is characterised in that: in the support base towards mounting base One end is equipped with bearing, and the bearing is located at the correspondence end of mounting hole, and bearing holder (housing, cover) is in air inlet pipe.

3. sealing gas leakage test fixture according to claim 1 or 2, it is characterised in that: the support base is far from mounting base One end protrusion form protruding portion, the hexagonal (hexagon)nut is threadedly coupled over the projections.

4. sealing gas leakage test fixture according to claim 3, it is characterised in that: be equipped with interior spiral shell on the suction nozzle Line.

5. sealing gas leakage test fixture according to claim 4, it is characterised in that: the mounting base includes pedestal and side Plate is equipped with notch far from one end of support base in the pedestal, and the top surface of pedestal, the front side of notch are run through in the upper end of the notch Through pan frontward end, the fixing axle is fixed in notch, and the lower part of the handle is located in notch, and the side plate is fixedly connected In the front side of notch, the front side of notch is covered.

6. sealing gas leakage test fixture according to claim 5, it is characterised in that: the rubber mat uses silica gel material.