CN206346901U - A kind of double containment plunger pump - Google Patents
A kind of double containment plunger pump Download PDFInfo
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- CN206346901U CN206346901U CN201621452605.5U CN201621452605U CN206346901U CN 206346901 U CN206346901 U CN 206346901U CN 201621452605 U CN201621452605 U CN 201621452605U CN 206346901 U CN206346901 U CN 206346901U
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- plunger
- shaped
- supporting member
- seal component
- pump
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Abstract
The utility model provides a kind of double containment plunger pump, including the pump housing, pump head, plunger and the supporting member between the pump housing and pump head, the plunger is arranged in the supporting member, primary seal component is provided between the plunger and the pump head, secondary seal component is provided between the plunger and the supporting member.The utility model has the advantages that simple in construction, reliability is high, good sealing effect.
Description
Technical field
The utility model is related to hydraulic test, more particularly to a kind of double containment plunger pump.
Background technology
Plunger pump is the important device in hydraulic system, and its operation principle is to be moved back and forth by plunger in cylinder body, is made
The volume of seal operation cavity changes to realize oil suction, force feed.Plunger pump has rated pressure height, compact conformation, efficiency
The advantages of high and Flow-rate adjustment facilitates, using widely.Existing plunger pump sealing property is poor, oil liquid leakage often occurs
Phenomenon, have impact on the further genralrlization of plunger pump.
The content of the invention
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, for a kind of simple in construction, reliability
High, the double containment plunger pump of good sealing effect.
In order to solve the above technical problems, the utility model proposes technical scheme be：
A kind of double containment plunger pump, including the pump housing, pump head, plunger and the supporting member between the pump housing and pump head,
The plunger is arranged in the supporting member, and primary seal component, the plunger are provided between the plunger and the pump head
Secondary seal component is provided between the supporting member.
It is used as the further improvement of above-mentioned technical proposal：
The primary seal component includes the first T-shaped sealing shroud and the first sealing ring, and the first T-shaped sealing shroud is sheathed on
On the plunger, first sealing ring is sheathed in the path section of the described first T-shaped sealing shroud.
The first T-shaped sealing shroud path section outer peripheral face is provided with the first locating slot, and first sealing ring is sheathed on institute
State in the first locating slot.
The pump head is provided with the first T-shaped limit chamber, and along the axial direction of the plunger, the primary seal component is located at
Between the supporting member and the first T-shaped limit chamber bottom surface.
The secondary seal component includes the second T-shaped sealing shroud and the second sealing ring, and the second T-shaped sealing shroud is sheathed on
On the plunger, second sealing ring is sheathed in the described second T-shaped sealing shroud path section.
The second T-shaped sealing shroud path section outer peripheral face is provided with the second locating slot, and second sealing ring is sheathed on institute
State in the second locating slot.
Pad is arranged with the plunger, the pump housing is spacing provided with pad in side of the pad away from the supporting member
Groove, the supporting member is provided with the second T-shaped limit chamber, and along the axial direction of the plunger, the secondary seal component is located at
Between the pad and the second T-shaped limit chamber bottom surface.
Compared with prior art, the utility model has the advantage of：
Double containment plunger pump disclosed in the utility model, between plunger and pump head provided with primary seal component, plunger with
Secondary seal component is provided between supporting member, good sealing function can be formed using the collective effect of two-stage seal assembly,
Ensure the sealing of moving component plunger；When certain one-level seal assembly fails, another grade of seal assembly can still play sealing function,
It is simple in construction, reliable, good sealing effect.
Brief description of the drawings
The utility model will be hereinafter described in more detail based on embodiment and refer to the attached drawing.Wherein：
Fig. 1 is main structure diagram of the present utility model.
Fig. 2 is the enlarged diagram in Fig. 1 A portions.
Each label is represented in figure：
1st, the pump housing；11st, pad stopper slot；2nd, pump head；21st, the first T-shaped limit chamber；3rd, plunger；4th, supporting member；41st,
Two T-shaped limit chambers；5th, primary seal component；51st, the first T-shaped sealing shroud；511st, the first locating slot；52nd, the first sealing ring；6th, two
Level seal assembly；61st, the second T-shaped sealing shroud；611st, the second locating slot；62nd, the second sealing ring；7th, pad.
Embodiment
Under will combine Figure of description and specific embodiment the utility model will be described in further details, but not therefore
And limit protection domain of the present utility model.
As depicted in figs. 1 and 2, the double containment plunger pump of the present embodiment, including the pump housing 1, pump head 2, plunger 3 and be located at
Supporting member 4 between the pump housing 1 and pump head 2, plunger 3 is arranged in supporting member 4, close provided with one-level between plunger 3 and pump head 2
Sealing assembly 5, is provided with secondary seal component 6 between plunger 3 and supporting member 4.Double containment plunger pump of the present utility model is in plunger 3
It is provided between pump head 2 between primary seal component 5, plunger 3 and supporting member 4 and is provided with secondary seal component 6, it is close using two-stage
The collective effect of sealing assembly can form good sealing function, it is ensured that the sealing of moving component plunger 3；When primary seal component 5
Or during the failure of secondary seal component 6, secondary seal component 6 or primary seal component 5 can still play sealing function, simple in construction,
Reliably, good sealing effect.
In the present embodiment, primary seal component 5 includes the first T-shaped sealing ring 52 of sealing shroud 51 and first, the first T-shaped sealing
Set 51 is sheathed on plunger 3, and the first sealing ring 52 is sheathed in the path section of the first T-shaped sealing shroud 51.Primary seal component 5 is wrapped
Include first 52 liang of seal members of T-shaped 51 and first sealing ring of sealing shroud, it is ensured that good seal between plunger 3 and pump head 2.
In the present embodiment, the first T-shaped path section outer peripheral face of sealing shroud 51 is provided with the first locating slot 511, is easy to first close
The positioning of seal 52, the first sealing ring 52 is sheathed in the first locating slot 511.
In the present embodiment, pump head 2 is provided with the first T-shaped limit chamber 21, along the axial direction of plunger 3, primary seal component 5
Located at the T-shaped bottom surface of limit chamber 21 of supporting member 4 and first（The first T-shaped miner diameter end face of limit chamber 21）Between, first is T-shaped spacing
The bottom surface of chamber 21 is the less one end end of T-shaped limit chamber external diameter.When plunger 3 is moved back and forth, using the first T-shaped limit chamber 21
Ensure the accurate positioning of primary seal component 5 with supporting member 4, it is ensured that sealing effectiveness.
In the present embodiment, secondary seal component 6 includes the second T-shaped sealing ring 62 of sealing shroud 61 and second, the second T-shaped sealing
Set 61 is sheathed on plunger 3, and the second sealing ring 62 is sheathed in the second T-shaped path section of sealing shroud 61.Secondary seal component 6 includes
Second 62 liang of seal members of T-shaped 61 and second sealing ring of sealing shroud, it is ensured that good seal between plunger 3 and supporting member 4.
In the present embodiment, the second T-shaped path section outer peripheral face of sealing shroud 61 is provided with the second locating slot 611, is easy to second close
The positioning of seal 62, the second sealing ring 62 is sheathed in the second locating slot 611.
In the present embodiment, pad 7 is arranged with plunger 3, the pump housing 1 is provided with pad stopper slot 11, pad stopper slot 11
In side of the pad 7 away from supporting member 4, supporting member 4 is provided with the second T-shaped limit chamber 41, along the axial direction of plunger 3,
Secondary seal component 6 is located at the T-shaped bottom surface of limit chamber 41 of pad 7 and second（The second T-shaped miner diameter end face of limit chamber 41）Between, the
The two T-shaped bottom surfaces of limit chamber 41 are the less one end end of T-shaped limit chamber external diameter.When plunger 3 is moved back and forth, using pad 7
Ensure the accurate positioning of secondary seal component 6 with supporting member 4, it is ensured that sealing effectiveness.
Although the utility model is described by reference to preferred embodiment, model of the present utility model is not being departed from
In the case of enclosing, various improvement can be carried out to it and part therein can be replaced with equivalent.Especially, as long as not depositing
The every technical characteristic being previously mentioned in structural hazard, each embodiment can combine in any way.The utility model
It is not limited to specific embodiment disclosed herein, but all technical schemes including falling within the scope of the appended claims.
Claims (7)
1. a kind of double containment plunger pump, it is characterised in that：Including the pump housing（1）, pump head（2）, plunger（3）And located at the pump housing（1）
And pump head（2）Between supporting member（4）, the plunger（3）It is arranged in the supporting member（4）In, the plunger（3）With institute
State pump head（2）Between be provided with primary seal component（5）, the plunger（3）With the supporting member（4）Between be provided with secondary seal
Component（6）.
2. double containment plunger pump according to claim 1, it is characterised in that：The primary seal component（5）Including the first T
Type sealing shroud（51）With the first sealing ring（52）, the first T-shaped sealing shroud（51）It is sheathed on the plunger（3）On, described
One sealing ring（52）It is sheathed on the described first T-shaped sealing shroud（51）Path section on.
3. double containment plunger pump according to claim 2, it is characterised in that：The first T-shaped sealing shroud（51）Path section
Outer peripheral face is provided with the first locating slot（511）, first sealing ring（52）It is sheathed on first locating slot（511）It is interior.
4. the double containment plunger pump according to claims 1 to 3 any one, it is characterised in that：The pump head（2）It is provided with
First T-shaped limit chamber（21）, along the plunger（3）Axial direction, the primary seal component（5）Located at the supporting member
（4）With the described first T-shaped limit chamber（21）Between bottom surface.
5. double containment plunger pump according to claim 1, it is characterised in that：The secondary seal component（6）Including the 2nd T
Type sealing shroud（61）With the second sealing ring（62）, the second T-shaped sealing shroud（61）It is sheathed on the plunger（3）On, described
Two sealing rings（62）It is sheathed on the described second T-shaped sealing shroud（61）In path section.
6. double containment plunger pump according to claim 5, it is characterised in that：The second T-shaped sealing shroud（61）Path section
Outer peripheral face is provided with the second locating slot（611）, second sealing ring（62）It is sheathed on second locating slot（611）It is interior.
7. the double containment plunger pump according to claim 1 or 5 or 6, it is characterised in that：The plunger（3）On be arranged with pad
Piece（7）, the pump housing（1）In pad（7）Away from the supporting member（4）Side be provided with pad stopper slot（11）, the branch
Bearing portion part（4）It is provided with the second T-shaped limit chamber（41）, along the plunger（3）Axial direction, the secondary seal component（6）
Located at the pad（7）With the described second T-shaped limit chamber（41）Between bottom surface.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452605.5U CN206346901U (en) | 2016-12-28 | 2016-12-28 | A kind of double containment plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621452605.5U CN206346901U (en) | 2016-12-28 | 2016-12-28 | A kind of double containment plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206346901U true CN206346901U (en) | 2017-07-21 |
Family
ID=59323267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621452605.5U Active CN206346901U (en) | 2016-12-28 | 2016-12-28 | A kind of double containment plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206346901U (en) |
-
2016
- 2016-12-28 CN CN201621452605.5U patent/CN206346901U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 1401-1, building 1, Baiwang R & D building, 5158 xilishahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee after: Shenzhen hengyongda Technology Co.,Ltd. Address before: 1401-1, building 1, Baiwang R & D building, 5158 xilishahe West Road, Nanshan District, Shenzhen City, Guangdong Province Patentee before: SHENZHEN FOREACH TECHNOLOGY Co.,Ltd. |