CN207915373U - Piston tool for loading and unloading plunger in chromatograph - Google Patents
Piston tool for loading and unloading plunger in chromatograph Download PDFInfo
- Publication number
- CN207915373U CN207915373U CN201721864681.1U CN201721864681U CN207915373U CN 207915373 U CN207915373 U CN 207915373U CN 201721864681 U CN201721864681 U CN 201721864681U CN 207915373 U CN207915373 U CN 207915373U
- Authority
- CN
- China
- Prior art keywords
- plunger
- chromatograph
- loading
- recessed portion
- unloading
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Abstract
The utility model provides a kind of piston tool for loading and unloading plunger in chromatograph, and seal assembly is set on plunger, and piston tool includes ontology and connecting seat, and ontology is arranged on connecting seat；Connecting seat is equipped with recessed portion and positioning plate away from the surface of ontology, and recessed portion matches with seal assembly shape and be used to accommodate seal assembly, and positioning plate extends in the opposite direction along the recess side with recessed portion；It is equipped with locating piece on positioning plate, location hole is provided on seal assembly, locating piece passes through location hole.Piston tool provided by the utility model for loading and unloading plunger in chromatograph can quickly complete the loading and unloading of seal assembly and plunger without damaging plunger, ensure the sealing effect after seal assembly is ressembled.
Description
Technical field
The utility model is related to chromatograph technical field, more particularly to a kind of plunger works for loading and unloading plunger in chromatograph
Tool.
Background technology
In chromatograph, the cleaning of plunger is more frequently and important, around plunger, is often connected with sealing group
Part, this just gives the work of dismounting plunger to increase difficulty, and one will prevent from bending plunger in disassembly process, and two will prevent clear
When washing plunger and ressembling, the sealing effect of seal assembly goes wrong, it is therefore desirable to a kind of piston tool, to simplify plunger
Loading and unloading, ensure the sealing effect after seal assembly has been ressembled.
Utility model content
The technical problems to be solved in the utility model is to overcome plunger loading and unloading in the prior art to be easy to cause column
The defect for filling in damage provides a kind of piston tool for loading and unloading plunger in chromatograph.
The utility model is to solve above-mentioned technical problem by following technical proposals：
It is a kind of for loading and unloading the piston tool of plunger in chromatograph, be set with seal assembly, the plunger on the plunger
Tool includes ontology and connecting seat, and the ontology is arranged on the connecting seat；The connecting seat deviates from the surface of the ontology
It is equipped with recessed portion and positioning plate, the recessed portion matches with the seal assembly shape and is used to accommodate the seal assembly,
The positioning plate extends in the opposite direction along the recess side with the recessed portion；Positioning is equipped on the positioning plate
Part, location hole is provided on the seal assembly, and the locating piece passes through the location hole.
Preferably, having in the ontology for loading and unloading in chromatograph in the piston tool of plunger in the utility model
The cavity being connected to the recessed portion, the plunger pass through the recessed portion and stretch into the cavity, and the internal diameter of the cavity is big
In the outer diameter of the plunger.By this preferred embodiment, ensure that recessed portion and seal assembly complete connection, piston tool exits
When chromatograph, plunger will not be encountered and cause plunger bending damage.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, the cavity is described in
Ontology extending direction penetrates through the ontology, and end of the cavity far from the recessed portion has holding section, set on the plunger
There are auxiliary section, the holding section to be connected together with the auxiliary section.By this preferred embodiment, one of piston tool is used for
Load and unload seal assembly, other end is for loading and unloading plunger so that piston tool can dual-use material, while saving cost, moreover it is possible to
Facilitate the work of staff.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, the shape of the holding section
Shape is interior hexagonal configuration, and the shape of the auxiliary section is outer-hexagonal shape, the holding section matched with the auxiliary section shape and
Interference fit.By this preferred embodiment so that when piston tool loads and unloads plunger, connection is more secured.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, the axial direction of the cavity
Length is more than the axial length of the plunger.By this preferred embodiment, the long stretching cavity of plunger can be avoided to be worked
The accident that personnel surprisingly touch and bending is caused to be damaged occurs.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, the positioning plate is pairs of
It is arranged around the recessed portion.By this preferred embodiment, when loading and unloading seal assembly, in determining for seal assembly both ends
Position part, which is applied to active force on seal assembly, to offset each other, and the component without will produce other directions makes seal assembly
Displacement causes to damage plunger.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, in the recessed portion
In the radial direction, there is drop between the inner wall of the positioning plate and the inner wall of the recessed portion.By this preferred embodiment,
One can increase opplied moment of the locating piece with positioning plate bearing for seal assembly, and piston tool is facilitated to load and unload sealing group
Part, two come at the chromatographic position being inserted in piston tool near seal assembly, and positioning plate can play pre-determined bit
Effect.
Preferably, being opened on the connecting seat in the utility model for loading and unloading in chromatograph in the piston tool of plunger
Equipped with mounting hole, fixing piece is connect across the mounting hole with the chromatograph, for the connecting seat to be fixed on the color
On spectrometer.By this preferred embodiment, when piston tool is inserted into, due to piston tool its own gravity factor, it is easy
It moves in staff's operating process, therefore after piston tool is inserted into position, is now fixed piston tool by screw
It is connect with seal assembly on chromatograph, then by positioning plate, finally exits screw, seal assembly is pulled out, complete dismantlement work.
Preferably, in the utility model for loading and unloading in chromatograph in the piston tool of plunger, the seal assembly
Structure is cylindrical structure, and the structure of the recessed portion is cylinder shape groove.By this preferred embodiment, recess can be reduced
Gap when portion is connected with seal assembly so that connection is more secured.
On the basis of common knowledge of the art, above-mentioned each optimum condition, can arbitrarily combine to get the utility model respectively compared with
Good example.
The positive effect of the utility model is：
Piston tool provided by the utility model for loading and unloading plunger in chromatograph can quickly complete seal assembly
Loading and unloading with plunger ensures the sealing effect after seal assembly is ressembled without damaging plunger.
Description of the drawings
Fig. 1 is the structural schematic diagram for loading and unloading the piston tool of plunger in chromatograph of one embodiment of the utility model.
Fig. 2 is to dismantle the schematic diagram before seal assembly in one embodiment of the utility model using piston tool.
Fig. 3 is schematic diagram when dismantling seal assembly in one embodiment of the utility model using piston tool.
Reference sign：
Piston tool 1
Ontology 11
Cavity 111
Holding section 112
Connecting seat 12
Recessed portion 121
Positioning plate 122
Mounting hole 123
Plunger 2
Seal assembly 3
Location hole 31
Locating piece 4
Specific implementation mode
A preferred embodiment is named, and completely illustrates the utility model in conjunction with attached drawing to become apparent from.
In the description of the present invention, it should be understood that term "upper", "lower", "front", "rear", "left", "right",
The orientation or positional relationship of the instructions such as "vertical", "horizontal", "top", "bottom", "inner", "outside" be orientation based on ... shown in the drawings or
Position relationship is merely for convenience of describing the present invention and simplifying the description, and does not indicate or imply the indicated device or member
Part must have a particular orientation, with specific azimuth configuration and operation, therefore should not be understood as limiting the present invention.
As shown in Figure 1 to Figure 3, the embodiments of the present invention disclose a kind of column for loading and unloading plunger 2 in chromatograph
Plug tool 1 is set with seal assembly 3 on plunger 2, and piston tool 1 includes ontology 11 and connecting seat 12, and the setting of ontology 11 is connecting
On seat 12；Connecting seat 12 is equipped with recessed portion 121 and positioning plate 122, recessed portion 121 and seal assembly away from the surface of ontology 11
3 shapes match and are used to accommodate seal assembly 3, positioning plate 122 extend in the opposite direction along the recess side with recessed portion 121 and
Go out；It is equipped with locating piece 4 on positioning plate 122, location hole 31 is provided on seal assembly 3, locating piece 4 passes through location hole 31.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, there is the cavity 111 being connected to recessed portion 121, plunger 2 to pass through recessed portion 121 and stretch into cavity in ontology 11
111, the internal diameter of cavity 111 is more than the outer diameter of plunger 2.By this preferred embodiment, ensure recessed portion 121 and seal assembly 3
Connection is completed, when piston tool 1 exits chromatograph, plunger 2 will not be encountered and cause the bending damage of plunger 2.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, cavity 111 penetrates through ontology 11 along 11 extending direction of ontology, and end of the cavity 111 far from recessed portion 121 has
Holding section 112, plunger 2 are equipped with auxiliary section, and holding section 112 is connected together with auxiliary section.Pass through this preferred embodiment, plunger
One of tool 1 is for loading and unloading seal assembly 3, and other end is for loading and unloading plunger 2 so that piston tool 1 can dual-use material, section
While cost-saving, moreover it is possible to facilitate the work of staff.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, the shape of holding section 112 is interior hexagonal configuration, and the shape of auxiliary section is outer-hexagonal shape, holding section 112 with
Auxiliary section shape matching and interference fit.By this preferred embodiment so that when piston tool 1 loads and unloads plunger 2, connection is more firm
Gu.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, the axial length of cavity 111 is more than the axial length of plunger 2.By this preferred embodiment, can avoid
The long cavity 111 that stretches out of plunger 2 is occurred by the accident that staff surprisingly touches and bending is caused to be damaged.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, positioning plate 122 is arranged in pairs in around recessed portion 121.By this preferred embodiment, sealed in handling
When component 3, the locating piece 4 at 3 both ends of seal assembly is applied to active force on seal assembly 3 and can offset each other, without producing
The component in other raw directions, which makes seal assembly 3 be subjected to displacement, to be caused to damage plunger 2.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, recessed portion 121 in the radial direction, have between the inner wall and the inner wall of recessed portion 121 of positioning plate 122
Drop.By this preferred embodiment, one can increase work of the locating piece 4 with 122 bearing of positioning plate for seal assembly 3
With torque, piston tool 1 is facilitated to load and unload seal assembly 3, two come in the chromatograph being inserted in piston tool 1 near seal assembly 3
Position when, positioning plate 122 can play the role of one pre-determined bit.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, mounting hole 123 is offered on connecting seat 12, fixing piece is connect across mounting hole 123 with chromatograph, and being used for will
Connecting seat 12 is fixed on chromatograph.By this preferred embodiment, when piston tool 1 is inserted into, due to piston tool 1 from
Body gravity factor is easy to move in staff's operating process, therefore after piston tool 1 is inserted into position, now passes through
Piston tool 1 is fixed on chromatograph by screw, then positioning plate 122 is connect with seal assembly 3, finally exits screw, will be close
Sealing assembly 3 pulls out, and completes dismantlement work.
As a preferred embodiment of the utility model, in the present embodiment for loading and unloading plunger 2 in chromatograph
In piston tool 1, the structure of seal assembly 3 is cylindrical structure, and the structure of recessed portion 121 is cylinder shape groove.It is excellent by this
Embodiment is selected, gap when recessed portion 121 and the connection of seal assembly 3 can be reduced so that connection is more secured.
Piston tool 1 provided by the utility model for loading and unloading plunger 2 in chromatograph can quickly complete sealing group
The loading and unloading of part 3 and plunger 2 ensures the sealing effect after seal assembly 3 is ressembled without damaging plunger 2.
Although the foregoing describe specific embodiment of the present utility model, it will be appreciated by those of skill in the art that
This is merely illustrative of, and the scope of protection of the utility model is defined by the appended claims.Those skilled in the art
Under the premise of without departing substantially from the principles of the present invention and essence, many changes and modifications may be made,
But these change and modification each fall within the scope of protection of the utility model.
Claims (9)
1. it is a kind of for loading and unloading the piston tool of plunger in chromatograph, it is set with seal assembly on the plunger, it is characterised in that：
The piston tool includes ontology and connecting seat, and the ontology is arranged on the connecting seat；
The connecting seat is equipped with recessed portion and positioning plate, the recessed portion and the seal assembly away from the surface of the ontology
Shape matches and is used to accommodate the seal assembly, and the positioning plate prolongs in the opposite direction along the recess side with the recessed portion
It stretches；
It is equipped with locating piece on the positioning plate, location hole is provided on the seal assembly, the locating piece passes through the positioning
Hole.
2. the piston tool as described in claim 1 for loading and unloading plunger in chromatograph, which is characterized in that have in the ontology
There are the cavity being connected to the recessed portion, the plunger to pass through the recessed portion and stretch into the cavity, the internal diameter of the cavity
More than the outer diameter of the plunger.
3. the piston tool as claimed in claim 2 for loading and unloading plunger in chromatograph, which is characterized in that the cavity is along institute
It states ontology extending direction and penetrates through the ontology, end of the cavity far from the recessed portion has a holding section, on the plunger
Equipped with auxiliary section, the holding section is connected together with the auxiliary section.
4. the piston tool as claimed in claim 3 for loading and unloading plunger in chromatograph, which is characterized in that the holding section
Shape is interior hexagonal configuration, and the shape of the auxiliary section is outer-hexagonal shape, and the holding section is matched with the auxiliary section shape
And it is interference fitted.
5. the piston tool for loading and unloading plunger in chromatograph as claimed in claim 2 or claim 3, which is characterized in that the cavity
Axial length be more than the plunger axial length.
6. the piston tool for loading and unloading plunger in chromatograph as described in claim 1, which is characterized in that the positioning plate at
To being arranged around the recessed portion.
7. the piston tool as described in claim 1 for loading and unloading plunger in chromatograph, which is characterized in that in the recessed portion
In the radial direction, there is drop between the inner wall of the positioning plate and the inner wall of the recessed portion.
8. the piston tool as described in claim 1 for loading and unloading plunger in chromatograph, which is characterized in that on the connecting seat
Mounting hole is offered, fixing piece is connect across the mounting hole with the chromatograph, described for the connecting seat to be fixed on
On chromatograph.
9. the piston tool as described in claim 1 for loading and unloading plunger in chromatograph, which is characterized in that the seal assembly
Structure be cylindrical structure, the structure of the recessed portion is cylinder shape groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864681.1U CN207915373U (en) | 2017-12-27 | 2017-12-27 | Piston tool for loading and unloading plunger in chromatograph |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721864681.1U CN207915373U (en) | 2017-12-27 | 2017-12-27 | Piston tool for loading and unloading plunger in chromatograph |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207915373U true CN207915373U (en) | 2018-09-28 |
Family
ID=63607768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721864681.1U Expired - Fee Related CN207915373U (en) | 2017-12-27 | 2017-12-27 | Piston tool for loading and unloading plunger in chromatograph |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207915373U (en) |
-
2017
- 2017-12-27 CN CN201721864681.1U patent/CN207915373U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180928 Termination date: 20201227 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |