CN204878719U - Pressure controller fabrication hole seal structure for water pump - Google Patents
Pressure controller fabrication hole seal structure for water pump Download PDFInfo
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- CN204878719U CN204878719U CN201520571784.3U CN201520571784U CN204878719U CN 204878719 U CN204878719 U CN 204878719U CN 201520571784 U CN201520571784 U CN 201520571784U CN 204878719 U CN204878719 U CN 204878719U
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Abstract
The utility model discloses a pressure controller fabrication hole seal structure for water pump, including the shell that is equipped with the technology through -hole, the technology through -hole is the step hole of closed hole and fixed orifices constitution, the closed hole forms annular sealed face with the step department of fixed orifices, be equipped with sealed end cap in the fixed orifices, sealed end cap includes front end and the seal section of fixed orifices adaptation and rear end and fixed orifices threaded connection's canned paragraph, be equipped with the sealing washer between the preceding terminal surface of seal section and sealed face, the back end face centre of seal section is equipped with the joint hole, the preceding end face centre of canned paragraph is equipped with the joint at the downthehole link of joint, the terminal surface is the sphere and supports the joint hole bottom face that leans on before the link, the clearance has between the preceding terminal surface of canned paragraph and the rear end face of seal section, the back end face centre of canned paragraph is equipped with interior hexagonal recess. The utility model discloses a sealed end cap is both easy to assemble, and dismouting adjustment many times again is favorable to improving sealed effect simultaneously.
Description
Technical field
The utility model relates to water pump electronics and to exert oneself controller, is specifically related to the sealing configuration of the auxiliary hole on a kind of water pump electronic pressure controller shell.
Background technique
In order to realize the normal work of water pump, usually except the pump housing of water pump, also need the additional device configuring such as safety check, electronic pressure controller etc., electronic pressure controller comprises a control panel, the centre of control panel is provided with the reset button of push type, can be reset reset when going wrong with the program of convenient electronic pressure controller by pressing reset button.During water pump water supply start, electronic pressure controller can monitor the pressure of water; When water supply puts in place, the water pressure of its inside rises thereupon, and namely electronic pressure controller controls water pump after hydraulic pressure being detected stops supplying water.Owing to being connected with the water supply of water pump in the housing of controller, therefore, the whole shell of electronic pressure controller needs to arrange corresponding sealing configuration, to avoid leaking of internal pressure water.The shell of pressure controller needs usually arrange corresponding technique through hole in the position of the inner push-rod assembly of correspondence, after pressure controller completes assembly and adjustment, then need with corresponding plug plugging technology through hole to realize sealing.Shown in Figure of description 5 is a kind of sealing configuration of existing electronic pressure controller envelope process through hole, is pressed into a columniform seal plug 2, adopts interference fit between seal plug and technique through hole in the technique through hole 3 of shell 1.But above-mentioned sealing configuration there are the following problems: first, seal plug needs powerful press-in, and therefore it installs difficulty; Secondly, be hard contact between seal plug and technique through hole, therefore its sealability is difficult to ensure; Finally, seal plug is disposablely to press-fit, and when there is the problems such as sealing, seal plug cannot take out and carry out adjustment reparation, thus can cause scrapping of whole pressure controller.
Model utility content
The purpose of this utility model be in order to solve existing for existing water pump electronic pressure controller envelope process through hole sealing configuration installation difficulty, poor sealing performance and install after cannot carry out secondary adjustment repair problem, a kind of water pump pressure controller fabrication hole sealing structure is provided, both convenient installation, repeatedly can adjust again, be conducive to improving sealing effect simultaneously.
To achieve these goals, the utility model is by the following technical solutions:
A kind of water pump pressure controller fabrication hole sealing structure, comprise the shell being provided with technique through hole, described technique through hole comprises inner closed hole and outside fixed hole, the aperture of fixed hole is greater than the aperture of closed hole, thus make the step hole that technique through hole becomes inner small and outside big, the step place of closed hole and fixed hole forms the sealing surface of annular, seal plug is provided with in described fixed hole, seal plug comprises the holding part that front end is threaded with fixed hole with seal section and the rear end of fixed hole adaptation, seal ring is provided with between the front-end face and sealing surface of seal section, the ear end face center of seal section is provided with blocked hole, the front-end face center of holding part is provided with connecting end, described connecting end is connected in the blocked hole of seal section, connecting end front-end face is sphere and against blocked hole bottom surface, between the front-end face of holding part and the ear end face of seal section, there is gap, the ear end face center of holding part is provided with interior hexagonal groove.
Seal plug of the present utility model can utilize inner hexagon spanner to be threaded in fixed hole by hexagonal groove in holding part rear end by holding part when plugging technology through hole, the seal section then crush seal circle of seal plug front end, thus realize the sealing of technique through hole.Particularly, connecting end due to seal plug holding part is connected in the blocked hole of seal section, and connecting end is sphere against the front-end face of blocked hole bottom surface, therefore, between connecting end with blocked hole bottom surface, the points of proximity contact, thus the surface friction drag that can greatly reduce between the two, like this, when rotation holding part is so that when being tightened in fixed hole, seal section can not be driven to rotate together, thus can effectively avoid the rotation because of seal section to cause the torsional deformation of seal ring, and then be conducive to improving sealing effect, avoid seal ring to occur because of distortion damaging.Adopt between holding part with technique through hole and be threaded, be conducive to it and repeat dismounting, facilitate follow-up adjustment reparation.
As preferably, the front edge of described seal section and the inward flange of sealing surface are respectively equipped with chamfering, thus make sealing surface be conial ring shape, the conical surface of seal section chamfering is provided with annular groove, described seal ring is connected in annular groove, and the conical surface of described seal section chamfering and the sealing surface of conial ring shape are fitted.
Because seal ring is connected in the annular groove on seal section chamfering conical surface, therefore the installation of seal ring had both been convenient to, the front end that when being conducive to installing, seal section is provided with seal ring simultaneously enters in the sealing surface of conial ring shape, and the chamfering of seal section front end can be fitted tightly with sealing surface.
As preferably, the opening of described blocked hole is provided with reducing, thus make blocked hole form young inner large shoulder hole, the ear end face of seal section is provided with the deformation groove of some radial directions, deformation groove equidistantly distributes at the circumferencial direction of seal section, through blocked hole inside deformation groove, through seal section outer side wall outside deformation groove, described connecting end is spherical.
The rear end of seal section is separated into some pieces of sector units of annular decile by deformation groove, and when spherical connecting end clamp-ons blocked hole, the sector unit of the rear end of seal section can outwards strut, thus is convenient to connecting end and enters in blocked hole.Namely inwardly when connecting end enters in blocked hole completely, sector unit resets, thus is connected in blocked hole by connecting end, avoids being separated of holding part and seal section.
As preferably, the opening of described blocked hole is provided with reducing, thus make blocked hole form young inner large shoulder hole, what described connecting end comprised the attachment post that is coaxially connected with holding part and was arranged on attachment post end compresses ball, described attachment post and reducing suitable, connecting end is provided with the cross bath extended vertically.
Connecting end is separated into 4 pieces of annular decile by cross bath, when connecting end compress ball clamp-on blocked hole time, the connecting end being separated into 4 pieces inwardly shrinks and diminishes, thus the ball that compresses being convenient to connecting end enters in blocked hole, and attachment post then fits in reducing.When connecting end enters in blocked hole completely, namely the connecting end reduced outwards opens reset, thus is connected in blocked hole by connecting end, avoids being separated of holding part and seal section.
Therefore, the utility model has following beneficial effect: both convenient installations, can adjust by being dismounted for multiple times again, are conducive to improving sealing effect simultaneously.
Accompanying drawing explanation
Fig. 1 is a kind of structural representation of the present utility model.
Fig. 2 is the structural representation of seal section in Fig. 1.
Fig. 3 is another kind of structural representation of the present utility model.
Fig. 4 is the structural representation of holding part in Fig. 3.
Fig. 5 is a kind of sealed structural representation of existing pressure controller envelope process through hole.
In figure: 1, shell 2, seal plug 21, seal section 211, blocked hole 212, reducing 213, deformation groove 214, annular groove 22, holding part 221, interior hexagonal groove 222, connecting end 223, attachment post 224, compress ball 225, cross bath 3, technique through hole 31, closed hole 32, fixed hole 33, sealing surface 4, seal ring.
Embodiment
Below in conjunction with accompanying drawing and embodiment, the utility model is further described.
As shown in Figure 1 and Figure 2, a kind of water pump pressure controller fabrication hole sealing structure, comprises the shell 1 of injection-moulding plastic, and the push-rod assembly position of shell in corresponding housing arranges corresponding technique through hole 3, so that assembling and debugging detect.Corresponding seal plug 2 is then set in technique through hole to realize the sealing of technique through hole.Particularly, technique through hole comprises near the closed hole 31 of case inside and the hull outside fixed hole 32 coaxial with closed hole, the aperture of fixed hole is greater than the aperture of closed hole, thus making the step hole that technique through hole becomes inner small and outside big, the step place of closed hole and fixed hole then forms the sealing surface 33 of annular.Seal plug is positioned at fixed hole, seal plug comprises the seal section 21 of front end and the holding part 22 of rear end, seal section is with fixed hole adaptive near closed hole, holding part is near hull outside and be threaded with fixed hole, and arrange the seal ring 4 of annular between the front-end face and sealing surface of seal section, the ear end face center of holding part arranges interior hexagonal groove 221.Like this, when holding part is by being tightened in fixed hole with the inner hexagon spanner of interior hexagonal groove adaptation, the seal section of seal plug front end and crush seal circle, make seal ring compress and be fitted on the sealing surface of technique through hole, realize the effective sealing of technique through hole.And seal plug can be removed at any time so that the push-rod assembly adjusted in housing or replacing seal ring are to guarantee good sealability.
In addition, we can arrange blocked hole 211 at the ear end face center of seal section, and correspondingly, the front-end face center of holding part arranges connecting end 222.The opening of blocked hole arranges reducing 212, thus make blocked hole form young inner large shoulder hole, the ear end face of seal section arranges 4 radial deformation grooves 213 again, article 4, deformation groove equidistantly distributes thus decussate at the circumferencial direction of seal section, deformation groove extends along the axis of seal section, its degree of depth is identical with the degree of depth of blocked hole, deformation groove is the through blocked hole in inner side diametrically, outside is through seal section outer side wall then, thus the rear end of seal section is separated into 4 pieces of sector units of annular decile.In addition, connecting end is spherical, and is connected with holding part one.Like this, the connecting end on holding part can be aimed at blocked hole by us, and firmly push, 4 sector units of seal section rear end can outwards strut, thus is convenient to connecting end and enters in blocked hole.Namely inwardly when connecting end enters in blocked hole completely, 4 each sector units reset, thus are connected in blocked hole by connecting end, avoid being separated of holding part and seal section.Be understandable that, the diameter of connecting end should be greater than the diameter of reducing on blocked hole and be less than the aperture of blocked hole.In addition, the front end of connecting end is resisted against on blocked hole bottom surface, then need between the front-end face of holding part and the ear end face of seal section to leave gap, thus guarantee when tightening the holding part of fixing seal plug, only have between holding part and linkage section between the front end of connecting end and blocked hole bottom surface and form point cantact, therefore greatly can reduce the surface friction drag between meeting, avoid seal section to follow holding part and rotate together, and then prevent the rotation because of seal section from causing the torsional deformation of seal ring and losing efficacy.
Certainly, as shown in Figure 3, Figure 4, the interface arrangment between holding part 22 and seal section 21 also can adopt following structure: first arrange reducing 212 at the opening of blocked hole 211, thus makes blocked hole form young inner large shoulder hole.Secondly, what the connecting end 222 of holding part front end comprised the attachment post 223 that is coaxially connected with holding part and was arranged on attachment post end compresses ball 224, certainly, the diameter compressing ball should be greater than the diameter of reducing and be less than the aperture of blocked hole, and attachment post and reducing suitable.In addition, connecting end arranges the cross bath 225 extending to the end face of holding part vertically, thus connecting end is separated into 4 pieces of annular decile.Like this, the connecting end on holding part can be aimed at blocked hole by us, and firmly pushes, and the connecting end being separated into 4 pieces inwardly shrinks and diminishes, thus the ball that compresses being convenient to connecting end enters in blocked hole.When connecting end enters in blocked hole completely, namely the connecting end reduced outwards opens reset, thus is connected in blocked hole by the ball that compresses of connecting end, and attachment post then fits in reducing, avoids being separated of holding part and seal section.Be understandable that, the front end of connecting end should be resisted against on blocked hole bottom surface, then need between the front-end face of holding part and the ear end face of seal section to leave gap, thus guarantee when tightening the holding part of fixing seal plug, only have between holding part and linkage section between the front end of connecting end and blocked hole bottom surface and form point cantact, therefore the surface friction drag between meeting can greatly be reduced, avoid seal section to follow holding part to rotate together, and then prevent the rotation because of seal section from causing the torsional deformation of seal ring and losing efficacy.
Finally, as shown in Figure 1 and Figure 2, for the ease of installing, we can arrange chamfering at the front edge place of seal section, thus form a conical surface, then on this conical surface, arrange annular groove 214, seal ring 4 is then connected in annular groove, thus seal ring is connected, to facilitate the installation of seal ring with seal plug.Correspondingly, we need to arrange chamfering at the inside edge of sealing surface, thus make sealing surface 4 in the conial ring shape with the chamfering adaptation of seal section front end.Like this, when install seal plug time, seal section under the effect of holding part progressively near sealing surface, until the sealing surface of the conical surface of seal section chamfering and conial ring shape is fitted, seal ring is now squeezed, thus between seal plug and technique through hole, form sealing reliably.
Claims (4)
1. a water pump pressure controller fabrication hole sealing structure, comprise the shell being provided with technique through hole, it is characterized in that, described technique through hole comprises inner closed hole and outside fixed hole, the aperture of fixed hole is greater than the aperture of closed hole, thus make the step hole that technique through hole becomes inner small and outside big, the step place of closed hole and fixed hole forms the sealing surface of annular, seal plug is provided with in described fixed hole, seal plug comprises the holding part that front end is threaded with fixed hole with seal section and the rear end of fixed hole adaptation, seal ring is provided with between the front-end face and sealing surface of seal section, the ear end face center of seal section is provided with blocked hole, the front-end face center of holding part is provided with connecting end, described connecting end is connected in the blocked hole of seal section, connecting end front-end face is sphere and against blocked hole bottom surface, between the front-end face of holding part and the ear end face of seal section, there is gap, the ear end face center of holding part is provided with interior hexagonal groove.
2. a kind of water pump pressure controller fabrication hole sealing structure according to claim 1, it is characterized in that, the front edge of described seal section and the inward flange of sealing surface are respectively equipped with chamfering, thus make sealing surface be conial ring shape, the conical surface of seal section chamfering is provided with annular groove, described seal ring is connected in annular groove, and the conical surface of described seal section chamfering and the sealing surface of conial ring shape are fitted.
3. a kind of water pump pressure controller fabrication hole sealing structure according to claim 1, it is characterized in that, the opening of described blocked hole is provided with reducing, thus make blocked hole form young inner large shoulder hole, the ear end face of seal section is provided with the deformation groove of some radial directions, and deformation groove equidistantly distributes at the circumferencial direction of seal section, through blocked hole inside deformation groove, through seal section outer side wall outside deformation groove, described connecting end is spherical.
4. a kind of water pump pressure controller fabrication hole sealing structure according to claim 1, it is characterized in that, the opening of described blocked hole is provided with reducing, thus make blocked hole form young inner large shoulder hole, what described connecting end comprised the attachment post that is coaxially connected with holding part and was arranged on attachment post end compresses ball, described attachment post and reducing suitable, connecting end is provided with the cross bath extended vertically.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571784.3U CN204878719U (en) | 2015-07-31 | 2015-07-31 | Pressure controller fabrication hole seal structure for water pump |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520571784.3U CN204878719U (en) | 2015-07-31 | 2015-07-31 | Pressure controller fabrication hole seal structure for water pump |
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| CN204878719U true CN204878719U (en) | 2015-12-16 |
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| CN201520571784.3U Active CN204878719U (en) | 2015-07-31 | 2015-07-31 | Pressure controller fabrication hole seal structure for water pump |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096797A (en) * | 2018-01-24 | 2018-06-01 | 安吉县良朋文体用品厂 | A kind of detachable air charging system |
| CN108867603A (en) * | 2018-06-21 | 2018-11-23 | 招商局重工（江苏）有限公司 | A kind of cylindrical type spud leg jack-up unit rushes staking mouth |
-
2015
- 2015-07-31 CN CN201520571784.3U patent/CN204878719U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108096797A (en) * | 2018-01-24 | 2018-06-01 | 安吉县良朋文体用品厂 | A kind of detachable air charging system |
| CN108867603A (en) * | 2018-06-21 | 2018-11-23 | 招商局重工（江苏）有限公司 | A kind of cylindrical type spud leg jack-up unit rushes staking mouth |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 215104 Wuzhong District, Suzhou, Vietnam, the town of Guandu Creek Road, No. 15, No. Patentee after: Jiangsu science and Technology Development Co., Ltd. Address before: 215104 Wuzhong District, Suzhou, Vietnam, the town of Guandu Creek Road, No. 15, No. Patentee before: Jiangsu Huanli Technology and Development Co., Ltd. |
|
| CP01 | Change in the name or title of a patent holder |