CN217712862U - Bottom sealing mechanism of inflator - Google Patents

Abstract

The utility model belongs to the technical field of inflater structure technique and specifically relates to an inflater bottom sealing mechanism is equipped with barrel and base, and the bottom of barrel is equipped with the bobbin base, and bobbin base middle part is equipped with the base mounting hole that the diameter is less than the barrel internal diameter, its characterized in that the base include integrated into one piece's joint hook, the insert and keep off the ring, insert upper end circumferencial direction equipartition joint hook, the upper end gib head of joint hook is towards outside protrusion, joint hook is towards the lateral tilt, the gib head of joint hook passes through the slope stress joint of joint hook and in the annular joint inslot that base mounting hole upper end edge was equipped with, the lower extreme outer fringe of the insert is connected and is kept off the ring, keep off ring and joint hook with the base card on the bobbin base of barrel, have simple structure, installation effectiveness is high, sealed effectual, cost of manufacture low grade advantage.

Description

Bottom sealing mechanism of inflator

Technical Field

The utility model belongs to the technical field of inflater structure technique and specifically relates to a simple structure, installation effectiveness are high, sealed effectual, the inflater bottom sealing mechanism that the cost of manufacture is low.

Background

As is well known, air pumps, also called air pumps, are used to inject or supplement air required by various tires and balls, and are mainly classified into manual air pumps, pedal air pumps and electric air pumps.

At present, the barrel of current inflater generally all forms through moulding plastics, the inflater of moulding plastics formation is the tube-shape, its bottom is the opening form, it is follow-up generally all to increase the base in order to seal the inflater and seal, the base is generally just connected through the mode of glue solution and bolt with being connected of inflating the bobbin bottom like this, bolted connection's mode can increase the accessory structure, installation procedure is loaded down with trivial details, cause the packaging efficiency to be low, the cost of manufacture increase, and in case the bolt takes off the silk will influence sealing performance, also can't change.

Disclosure of Invention

The utility model aims at solving the not enough of above-mentioned prior art, provide a simple structure, installation effectiveness height, sealed effectual, the cost of manufacture low inflater bottom sealing mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

the utility model provides an inflater bottom sealing mechanism, is equipped with barrel and base, and the bottom of barrel is equipped with the bobbin base, and the bobbin base middle part is equipped with the pedestal mounting hole that the diameter is less than the barrel internal diameter, its characterized in that the base include integrated into one piece's joint hook, the insert and keep off the ring, insert upper end circumferencial direction equipartition joint hook, the upper end gib head of joint hook is towards outside protrusion, the joint hook inclines towards outside, inclination is 1-10, the gib head of joint hook passes through the slope stress joint of joint hook and in the annular joint inslot that pedestal mounting hole upper end edge was equipped with, the lower extreme outer fringe of insert is connected and is kept off the ring, keep off ring and joint hook and block the base on the bobbin base of barrel.

Keep off ring top be equipped with the sealing washer, the sealing washer cover is realized sealedly in the inserting body outside through the sealing washer, simultaneously through the elastic action of sealing washer with the tight card of joint hook in the joint inslot.

The lower extreme circumference of bobbin base on be equipped with the ring channel, in the ring channel was arranged in to the sealing washer, through ring channel restriction sealing washer, it was effectual to make sealed.

The joint hook on the upper end circumference of the insertion body is provided with at least 3, and the structural connection is stable.

Keep off the ring circumference on be connected through glue solution and bobbin base, further guarantee the compactness that base and barrel are connected, guarantee sealed effect.

The utility model discloses owing to adopt above-mentioned structure, have simple structure, installation effectiveness height, sealed effectual, cost of manufacture low grade advantage.

Drawings

Fig. 1 is a partial enlarged view of the connection relationship between the cylinder and the base.

Fig. 2 is a schematic structural view of the base in fig. 1.

Fig. 3 is a side view of fig. 2.

Detailed Description

The present invention is further described with reference to the accompanying drawings:

as shown in the attached drawing, the inflator bottom sealing mechanism is provided with a barrel body 1 and a base 2, the bottom of the barrel body 1 is provided with a barrel bottom 3, the middle of the barrel bottom 3 is provided with a base mounting hole 4 with the diameter smaller than the inner diameter of the barrel body 1, the inflator bottom sealing mechanism is characterized in that the base 2 comprises a clamping hook 5, an insertion body 6 and a blocking ring 7 which are integrally formed, the clamping hook 5 is uniformly distributed in the circumferential direction of the upper end of the insertion body 6, an upper end hook head 8 of the clamping hook 5 protrudes towards the outer side, the clamping hook 5 inclines towards the outer side, the inclination angle is 1-10 degrees, the hook head 8 of the clamping hook 5 is clamped in an annular clamping groove 9 arranged at the upper end edge of the base mounting hole 4 through the inclination stress of the clamping hook, the blocking ring 7 is connected to the outer edge of the lower end of the insertion body 6, and the blocking ring 7 and the clamping hook 5 clamp the base 2 on the barrel bottom 3 of the barrel body 1.

Further, keep off ring 7 top be equipped with sealing washer 10, sealing washer 10 cover is in the body 6 outside of inserting, realizes sealed through sealing washer 10, tightly blocks joint hook 5 in joint groove 9 through the elastic action of sealing washer 10 simultaneously.

Furthermore, the circumference of the lower end of the cylinder bottom 3 is provided with an annular groove 11, the sealing ring 10 is arranged in the annular groove 11, and the sealing ring 10 is limited by the annular groove 11, so that the sealing effect is good.

Furthermore, the clamping hooks 5 on the circumference of the upper end of the insertion body 6 are at least 3, so that the stable structural connection is ensured.

Furthermore, the circumference of the baffle ring 7 is connected with the cylinder bottom 3 through glue solution, so that the tightness of the connection between the base 2 and the cylinder body 1 is further ensured, and the sealing effect is ensured.

In the structure, the insert body 6 is of a cylindrical structure with an opening at the upper end and a closed lower end, the arc-shaped weight reducing grooves 12 are formed in the insert body between the adjacent clamping hooks, the counter weight is reduced through the arc-shaped weight reducing grooves, and meanwhile, the production cost can be reduced.

The utility model discloses when the preparation, base 2 and barrel 1 are all through the mechanism integrated into one piece that moulds plastics, when the equipment, because there is not screw structure on base 2 and the barrel 1, therefore, need not the screw thread installation at the installation, only need embolia sealing washer 10 on the insert 6 of base 2, then insert base mounting hole 4 with base 2 whole, sealing washer 10 is arranged in ring channel 11 and extrudes sealing washer 10, 2 top joint hook 5's gib head 8 card of base is in the joint inslot after the extrusion, because the elastic action of sealing washer 10, with joint hook 5's gib head 8 below pulling, and then realized that joint hook 5's gib head 8 tightly blocks in the joint inslot, can not take place to become flexible, then with the 7 circumferencial directions of fender ring of base 2 below through the glue solution bonding, further realize sealed, the utility model is owing to need not to install the screw rod, the cost is saved, the installation only need press down the joint can, simultaneously owing to in the inflater practical in-process, the increase of a section of thick bamboo internal pressure, withstand base 2 is towards the atress downwards, through the gib head 8 of joint hook 5, the atress is gone on the basis, the utility model has the advantages of the simple structure of the utility model, the above-mentioned advantages of the utility model has the high installation efficiency, the sealing efficiency of the sealing effect.

Claims (6)

1. The utility model provides an inflater bottom sealing mechanism, is equipped with barrel and base, and the bottom of barrel is equipped with the bobbin base, and the bobbin base middle part is equipped with the pedestal mounting hole that the diameter is less than the barrel internal diameter, its characterized in that the base include integrated into one piece's joint hook, the inserted body and keep off the ring, inserted body upper end circumferencial direction equipartition joint hook, the upper end gib head of joint hook is towards outside protrusion, the joint hook inclines towards the outside, the gib head of joint hook passes through the slope stress joint of joint hook and in the annular joint inslot that pedestal mounting hole upper end edge was equipped with, the lower extreme outer fringe of the inserted body is connected and is kept off the ring, keep off ring and joint hook with the base card on the bobbin base of barrel.

2. The bottom sealing mechanism of the inflator according to claim 1, wherein a sealing ring is disposed above the stop ring, the sealing ring is sleeved outside the insertion body, sealing is achieved through the sealing ring, and meanwhile the clamping hook is tightly clamped in the clamping groove through elastic action of the sealing ring.

3. The bottom sealing mechanism of the inflator according to claim 1, wherein an annular groove is formed on a circumference of a lower end of the cylinder bottom, and the sealing ring is disposed in the annular groove and is restricted by the annular groove.

4. The bottom sealing mechanism for the inflator according to claim 1, wherein at least 3 snap hooks are provided on the upper end circumference of the insertion body.

5. The bottom sealing mechanism of the inflator according to claim 1, wherein the stop ring is circumferentially connected to the bottom of the inflator through glue.

6. The bottom sealing mechanism of the inflator according to claim 1, wherein the clamping hook is inclined at an angle of 1-10 °.

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