CN216666831U - Connecting device for quickly replacing sealing head - Google Patents

Abstract

The utility model relates to a connecting device for quickly replacing a sealing head, which comprises a pressing rod, an elastic device and a sealing head, wherein the sealing head can be fixed on the pressing rod under the action of the elastic device, and the sealing head can be replaced after the elastic device is driven. In the scheme of this application, this sealed first connecting device of quick replacement includes the depression bar, resilient means and sealed head, under resilient means's effect, make sealed head fix on the depression bar, the operator can drive resilient means simultaneously, and then realize the change of sealed head, make the operator when the sealed head of needs frequent change, only need drive resilient means, can take off sealed head from the depression bar, and change other sealed heads, the speed of changing sealed head has been improved, and then realize the purpose of the sealed head of quick replacement.

Description

Connecting device for quickly replacing sealing head

Technical Field

The utility model relates to the technical field of sealing heads, in particular to a connecting device for quickly replacing a sealing head.

Background

To the sealed head of inflation inlet department, need frequently change sealed head usually to speed when changing sealed head is slower at present, makes operating personnel be difficult to carry out quick replacement to sealed head, and then makes when operating personnel need frequently change sealed head, be difficult to reach the purpose of quick with changing sealed head.

Therefore, in view of the above problems, it is desirable to design a quick-change sealing head connecting device to achieve the purpose of quick-change sealing head.

Disclosure of Invention

The utility model aims to: to the above-mentioned not enough that present sealed head exists at the change in-process, provide a quick replacement sealed first connecting device to reach the sealed first purpose of quick replacement.

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

the utility model provides a quick replacement seals first connecting device, includes depression bar, resilient means and sealed head, sealed head is in resilient means's effect can be fixed down on the depression bar, the drive behind the resilient means, can realize sealed head's change.

As the prior technical scheme of this application, be provided with the standing groove on the lateral wall of depression bar, be provided with on the sealing head with the protruding piece of standing groove looks adaptation the protruding piece with the standing groove cooperatees the back, resilient means can to protruding piece is exerted pressure and is made the depression bar with sealing head looks block is fixed, just resilient means can relieve right the exerting pressure of protruding piece makes protruding piece can be followed take out in the standing groove, makes sealing head with the depression bar breaks away from mutually.

As the prior technical scheme, the elastic device comprises the spring sleeve and the spring, the spring sleeve is arranged on the pressure rod, the spring is used for providing elastic force to enable the spring sleeve to support the sealing head, the spring sleeve can move along the axis direction of the pressure rod, and the protruding block is enabled to be separated from the placing groove.

As the preferential technical scheme of the application, the spring is sleeved in the area, matched with the spring sleeve, on the compression bar.

As the prior technical scheme of this application, be provided with first contact mesa on the protruding piece, first contact mesa be used for with the spring housing offsets the spring housing with after the first contact mesa offsets, can prevent sealed head to keeping away from the axis direction of depression bar with the depression bar breaks away from mutually.

As the prior technical scheme of this application, be provided with first inclined plane on the standing groove, be provided with the second inclined plane on the protruding piece the spring housing with when first contact mesa offseted, first inclined plane with the second inclined plane cooperatees, in order to realize sealed head from returning the well.

As the preferential technical scheme of this application, be provided with the retaining ring on the depression bar, the retaining ring is used for right the spring housing is spacing, is used for preventing the spring housing is followed break away from on the depression bar.

As the prior technical scheme of the application, the end part of the pressure rod facing the sealing head is in a convex cambered surface shape.

As the preferential technical scheme of this application, the standing groove is for encircleing the annular structure of depression bar.

As the preferential technical scheme of the application, the convex block is of a semicircular arc structure around the axis of the sealing head.

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

according to the scheme, the quick-replacement sealing head connecting device comprises a pressing rod, an elastic device and a sealing head, the sealing head is fixed on the pressing rod under the action of the elastic device, meanwhile, an operator can drive the elastic device to further realize replacement of the sealing head, so that when the sealing head needs to be frequently replaced, the operator can take the sealing head down from the pressing rod only by driving the elastic device and replace other sealing heads, the speed of replacing the sealing head is improved, and the purpose of quickly replacing the sealing head is further realized;

the side wall of the pressure rod is provided with a placing groove, and the sealing head is provided with a convex block matched with the placing groove, so that after the convex block is matched with the placing groove, the elastic device applies pressure to the convex block, the convex block is in contact with one or more regions of the placing groove after being stressed, the pressure rod and the sealing head are clamped and relatively fixed, the stability of the sealing head on the pressure rod is improved, meanwhile, the elastic device can relieve the pressure applied to the convex block by the elastic device, so that the convex block can be taken out of the placing groove, the restraint of the placing groove on the convex block is further relieved, the sealing head is separated from the pressure rod, and the sealing head is convenient to replace;

the elastic device comprises a spring sleeve and a spring, the spring sleeve is sleeved on the pressure rod, the stability of the spring sleeve arranged on the pressure rod is improved, the spring is used for providing elastic force to enable the spring sleeve to abut against the sealing head so as to fix the sealing head, the spring sleeve can move along the axial direction of the pressure rod, the spring is provided with different deformation amounts in the moving process of the spring sleeve, so that an operator can manually control the spring sleeve to enable the spring sleeve to move towards the direction far away from the sealing head, the abutting of the spring sleeve against the sealing head is removed, the sealing head is convenient to take out, meanwhile, when the sealing head is arranged on the pressure rod, the operator can manually operate the spring sleeve to enable the spring sleeve to move towards the direction far away from the sealing head, the spring is deformed, the blocking of the sealing head by the spring sleeve when the raised block is placed in the placing groove can be avoided in the next process, and the raised block is easy to be matched with the placing groove, after an operator cancels the control on the spring sleeve, the spring deforms again and applies elastic force to the spring sleeve, so that the spring sleeve supports the sealing head and the sealing head is fixed on the pressure rod;

set up first inclined plane on the standing groove, set up the second inclined plane simultaneously on protruding piece for when spring housing offsets with first contact mesa, first inclined plane and second inclined plane mutually support and extrude each other, make sealed head under the pressure effect that relies on tapering direction and spring, do benefit to the axis position department that sealed head is in the depression bar, in order to realize returning of sealed head, be convenient for be the sealed head and incline the form and place the sealed head behind the standing groove positive with protruding piece.

Description of the drawings:

FIG. 1 is a schematic view of one embodiment of a quick-change sealing head attachment of the present application;

FIG. 2 is a cross-sectional view of one embodiment of a quick-change seal head attachment of the present application;

FIG. 3 is an enlarged view of portion A of the quick-change sealing head attachment of the present application;

the following are marked in the figure: 1-a pressure bar, 2-an elastic device, 3-a sealing head, 4-a placing groove, 5-a convex block, 6-a spring sleeve, 7-a spring, 8-a first contact table surface, 9-a first inclined surface, 10-a second inclined surface and 11-a retainer ring.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings. It is to be understood that the embodiments described are only a few embodiments of the present invention, and not all embodiments.

Thus, the following detailed description of the embodiments of the utility model is not intended to limit the scope of the utility model as claimed, but is merely representative of some embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that the embodiments of the present invention and the features and technical solutions thereof may be combined with each other without conflict.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "upper", "lower", and the like refer to orientations or positional relationships based on those shown in the drawings, or orientations or positional relationships that are conventionally arranged when the products of the present invention are used, or orientations or positional relationships that are conventionally understood by those skilled in the art, and such terms are used for convenience of description and simplification of the description, and do not refer to or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows: as shown with reference to figures 1-3,

the embodiment provides a 3 connecting device of quick replacement sealing head, including depression bar 1, resilient means 2 and sealed head 3, sealed head 3 is in resilient means 2's effect can be fixed down on the depression bar 1, the drive behind the resilient means 2, can realize sealed head 3's change.

This 3 connecting device of quick replacement sealing head includes depression bar 1, elastic device 2 and sealing head 3, under elastic device 2's effect, make sealing head 3 fix on depression bar 1, the operator can drive elastic device 2 simultaneously, and then realize sealing head 3's change, make the operator when needing frequent change sealing head 3, only need drive elastic device 2, can take off sealing head 3 from depression bar 1, and change other sealing head 3, the speed of changing sealing head 3 has been improved, and then realize the purpose of quick replacement sealing head 3.

In a preferred embodiment, in addition to the above-mentioned embodiment, a placement groove 4 is provided on a side wall of the press rod 1, a projection 5 adapted to the placement groove 4 is provided on the seal head 3, and after the projection 5 is fitted to the placement groove 4, the elastic means 2 can press the projection 5 to engage and fix the press rod 1 and the seal head 3, and the elastic means 2 can release the pressing of the projection 5 to allow the projection 5 to be taken out of the placement groove 4 and separate the seal head 3 from the press rod 1.

Set up standing groove 4 on the lateral wall of depression bar 1, set up the protruding piece 5 with standing groove 4 looks adaptation simultaneously on sealed head 3, make protruding piece 5 and standing groove 4 cooperate the back, resilient means 2 exerts pressure to protruding piece 5, make protruding piece 5 contact with one or more of standing groove 4 region after the atress, and make depression bar 1 and sealed head 3 looks block and relatively fixed, the stability of sealed head 3 dress on depression bar 1 has been improved, resilient means 2 can relieve the exerting pressure of resilient means 2 to protruding piece 5 simultaneously, make protruding piece 5 take out from standing groove 4, and then relieve standing groove 4 to protruding piece 5 restraint, make sealed head 3 break away from with depression bar 1 mutually, be convenient for the change to sealed head 3.

As a preferred embodiment, in addition to the above manner, the elastic device 2 further includes a spring housing 6 and a spring 7, the spring housing 6 is sleeved on the compression bar 1, the spring 7 is used for providing an elastic force so that the spring housing 6 can abut against the sealing head 3, and the spring housing 6 can move along the axial direction of the compression bar 1 so that the protruding block 5 is separated from the placing groove 4.

The elastic device 2 comprises a spring sleeve 6 and a spring 7, the spring sleeve 6 is sleeved on the pressure rod 1, the stability of the spring sleeve 6 arranged on the pressure rod 1 is improved, the spring 7 is used for providing elastic force to enable the spring sleeve 6 to abut against the sealing head 3 and further fix the sealing head 3, the spring sleeve 6 can move along the axial direction of the pressure rod 1, the spring 7 has different deformation amounts in the moving process of the spring sleeve 6, so that an operator can manually control the spring sleeve 6 to enable the spring sleeve 6 to move towards the direction far away from the sealing head 3, the abutting of the spring sleeve 6 against the sealing head 3 is removed, the sealing head 3 is convenient to take out, meanwhile, when the sealing head 3 is arranged on the pressure rod 1, the operator can manually operate the spring sleeve 6 to enable the spring sleeve 6 to move towards the direction far away from the sealing head 3, the spring 7 deforms, and the blocking of the spring sleeve 6 against the sealing head 3 when the convex block 5 is placed in the placing groove 4 can be avoided in the next process, easily protruding piece 5 and standing groove 4 mutually support, cancel the control back to spring housing 6 at operating personnel, spring 7 takes place deformation once more, and exert elastic force to spring housing 6, make spring housing 6 support sealed head 3 and hold and make sealed head 3 fix on depression bar 1, in this scheme, through the removal route of control spring housing 6 along depression bar 1's axis direction, can improve smooth and easy nature and convenience when changing sealed head 3, do benefit to sealed head 3's quick replacement.

In a preferred embodiment, in addition to the above, the spring 7 is a region fitted to the spring housing 6 and fitted to the pressure lever 1.

The spring 7 is arranged on the compression bar 1 in a set in the area matched with the spring sleeve 6, so that the stability of the spring 7 arranged on the compression bar 1 can be improved.

In a preferred embodiment, in addition to the above-mentioned embodiment, the protruding block 5 is further provided with a first contact surface 8, the first contact surface 8 is configured to abut against the spring housing 6, and the seal head 3 is prevented from being separated from the pressure lever 1 in an axial direction away from the pressure lever 1 after the spring housing 6 abuts against the first contact surface 8.

Set up first contact mesa 8 on protruding piece 5, first contact mesa 8 is used for offseting with spring housing 6 for when fixing sealed head 3, spring housing 6 exerts pressure and offsets with first contact mesa 8 to protruding piece 5, and spring housing 6 carries on spacingly to sealed head 3, prevents that sealed head 3 from breaking away from in depression bar 1 to the axis direction of keeping away from depression bar 1, has further improved the steadiness when sealed head 3 fixes on depression bar 1.

The second embodiment: as shown in reference to figures 2 and 3,

on the basis of the technical solution of the embodiment, further, a first inclined plane 9 is arranged on the placing groove 4, a second inclined plane 10 is arranged on the protruding block 5, and when the spring housing 6 abuts against the first contact table 8, the first inclined plane 9 and the second inclined plane 10 are matched to realize self-centering of the sealing head 3.

Set up first inclined plane 9 on standing groove 4, set up second inclined plane 10 simultaneously on protruding piece 5, make when spring housing 6 offsets with first contact mesa 8, first inclined plane 9 and second inclined plane 10 mutually support and extrude each other, make sealed head 3 under the pressure effect that relies on tapering direction and spring 7, do benefit to sealed head 3 and be located the axis position department of depression bar 1, in order to realize the self-centering of sealed head 3, be convenient for be sealed head 3 and incline the form and place sealed head 3 behind standing groove 4 with protruding piece 5 the returning of just.

In a preferred embodiment, in addition to the above-mentioned embodiment, a stop ring 11 is further provided on the pressure lever 1, and the stop ring 11 is used for limiting the position of the spring housing 6 and preventing the spring housing 6 from being separated from the pressure lever 1.

Set up retaining ring 11 on depression bar 1, retaining ring 11 can carry on spacingly to spring housing 6 simultaneously to prevent that spring housing 6 from breaking away from depression bar 1, improved the stability of spring housing 6 setting on depression bar 1, improved this sealed first 3 connecting device of quick replacement simultaneously and carried out the stability of quick with sealed first 3 of trading.

In a preferred embodiment, in addition to the above aspect, the end of the pressure rod 1 facing the sealing head 3 is shaped as a convex arc surface.

Set the tip shape of the sealed head 3 of orientation on the depression bar 1 to bellied cambered surface, can reduce the edge distance standing groove 4's of the sealed head 3's of orientation distance on the depression bar 1 distance to be convenient for sealed head 3 is the slope form and places protruding piece 5 in standing groove 4, can greatly reduced avoid the sealed head 3's of orientation on the depression bar 1 tip to sealed head 3's that stops even.

As a preferred embodiment, in addition to the above-mentioned mode, further, the placing groove 4 is a ring-shaped structure surrounding the pressing rod 1.

Set up standing groove 4 into the loop configuration who encircles depression bar 1, the sealed head 3 of being convenient for can make protruding piece 5 and standing groove 4 phase-match on the sealed head 3 from the orientation of a plurality of differences for the operation can carry out the quick change to sealed head 3 from a plurality of orientations, has improved the convenience of changing sealed head 3.

In a preferred embodiment, in addition to the above, the protruding block 5 has a semicircular arc structure around the axis of the sealing head 3.

The convex block 5 is set to be in a semicircular arc structure around the axis of the sealing head 3, so that when the sealing head 3 is fixed on the compression bar 1, the contact area and the matched area of the sealing head 3 and the compression bar 1 can be greatly improved, and the stability of the sealing head 3 on the compression bar 1 is further improved.

The above embodiments are only used for illustrating the utility model and not for limiting the technical solutions described in the utility model, and although the present invention has been described in detail in the present specification with reference to the above embodiments, the present invention is not limited to the above embodiments, and therefore, any modification or equivalent replacement of the present invention is made; all such modifications and variations are intended to be included herein within the scope of this disclosure and the appended claims.

Claims (10)

1. The utility model provides a quick replacement sealing head connecting device which characterized in that: the sealing device comprises a pressing rod, an elastic device and a sealing head which are sequentially connected, wherein the sealing head is fixed on the pressing rod under the action of the elastic device.

2. The quick-change sealing head attachment of claim 1, wherein: the side wall of the pressure lever is provided with a placing groove, and the sealing head is provided with a convex block matched with the placing groove.

3. The quick-change sealing head attachment of claim 2, wherein: the elastic device comprises a spring sleeve and a spring, the spring sleeve is sleeved on the compression bar, and the spring sleeve can move along the axis direction of the compression bar.

4. The quick-change sealing head attachment of claim 3, wherein: the spring is sleeved in an area matched with the spring sleeve on the pressure lever.

5. The quick-change sealing head attachment of claim 3, wherein: the protruding block is provided with a first contact table-board which is propped against the spring sleeve.

6. The quick-change sealing head attachment of claim 3, wherein: the placing groove is provided with a first inclined plane, the protruding block is provided with a second inclined plane, and the first inclined plane is matched with the second inclined plane.

7. The quick-change sealing head attachment of claim 3, wherein: and the compression bar is provided with a check ring for limiting the spring sleeve.

8. The quick-change sealing head attachment of claim 2, wherein: the end part of the pressure lever facing the sealing head is a convex cambered surface.

9. The quick-change sealing head attachment of claim 2, wherein: the standing groove is an annular structure surrounding the pressure rod.

10. The quick-change sealing head attachment of claim 9, wherein: the annular structure is a semicircular arc structure.

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