CN206123506U - Rotational positioning structure is prevented to deep hole - Google Patents
Rotational positioning structure is prevented to deep hole Download PDFInfo
- Publication number
- CN206123506U CN206123506U CN201621182399.0U CN201621182399U CN206123506U CN 206123506 U CN206123506 U CN 206123506U CN 201621182399 U CN201621182399 U CN 201621182399U CN 206123506 U CN206123506 U CN 206123506U
- Authority
- CN
- China
- Prior art keywords
- deep hole
- location structure
- rotating shaft
- pump shaft
- rotational location
- 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
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Abstract
The utility model provides a rotational positioning structure is prevented to deep hole belongs to mechanical technical field. It has been solved current impeller and has needed when the dismouting reach and prevent the rotatory purpose of pump shaft with holding the pump shaft, exist the power of gripping little, prevent changeing the poor problem of effect. This rotational positioning structure is prevented to deep hole, including having the position sleeve of side wall and bottom plate, the middle part of bottom plate has the through -hole, wear to be equipped with in the through -hole with the pivot of preventing of the coaxial setting of position sleeve, prevent being equipped with the rotatory spacing unit of circumference of restriction pump shaft between pivot and the pump shaft, be equipped with on the side wall and be used for the fixed unit that links firmly with pump body lateral wall, be equipped with on the bottom plate and drive the drive unit who prevents pivot axial motion. The utility model has the advantages of prevent changeing effectual, application scope guangZhou.
Description
Technical field
The utility model belongs to field of mechanical technique, is related to a kind of anti-rotational location structure of deep hole, and particularly one kind is prevented
The location structure of pump shaft rotation.
Background technology
To ensure that impeller preferably can be attached with pump shaft, existing way is to arrange external screw thread in the end of pump shaft,
Internal thread is set in the upper lid of impeller, impeller is subsequently threadedly coupled to the end of pump shaft, the rotation direction of screw thread and turning for impeller
Dynamic direction is identical, is capable of achieving quick connection, connects rear impeller difficult for drop-off.During the assembly or disassembly of impeller, rotate
Impeller will drive pump shaft to rotate together, under impeller is assembled on pump shaft or dismantling from pump shaft.General solution
It is, in assembly or disassembly impeller, to grasp pump shaft so as to limit the rotation of pump shaft, although can be encased in impeller during assembling
On pump shaft.But the method firmly cannot be fixed in impeller, impeller is easy to come off when pump shaft rotates；In dismounting, by
It is connected firmly with impeller in pump shaft, need to be by extra equipment rotary blade, equipment is applied to the power of impeller and is much larger than hand to pump
The curable grip of axle, causes impeller to drive pump shaft to rotate together, impeller is dismantled from pump shaft.
The content of the invention
The purpose of this utility model is there are the problems referred to above for existing technology, it is proposed that a kind of anti-rotational effect is good
The anti-rotational location structure of deep hole.
The purpose of this utility model can be realized by following technical proposal：
The anti-rotational location structure of this deep hole, including the positioning sleeve with gusset and base plate, the middle part of the base plate is with logical
Hole, it is characterised in that be equipped with the anti-rotating shaft being coaxially disposed with positioning sleeve in described through hole, described anti-rotating shaft and pump shaft it
Between be provided with the circumferential position-limiting unit for limiting pump shaft rotation, described gusset is provided with for fixed single with what pump body sidewall was connected
Unit, described base plate is provided with the driver element for driving anti-rotating shaft axially-movable.
In the above-mentioned anti-rotational location structure of deep hole, the end of the pump shaft has a flat recess, described anti-rotating shaft with
Pump shaft is coaxially disposed, and above-mentioned circumferential position-limiting unit is included located at the inner sphenocephaly being equipped with flat recess of anti-rotating shaft.
Flat recess can directly be opened in the end of pump shaft, it is also possible to lock flat recess head screw, a word of screw in the end of pump shaft
Trough can be used as flat recess.The structure of sphenocephaly is identical with the structure of a word screw front end, after snapping onto in flat recess, can
Limit the rotation of pump shaft.
In the above-mentioned anti-rotational location structure of deep hole, above-mentioned driver element includes the cylinder being fixed on base plate, institute
The piston rod and anti-rotating shaft for stating cylinder is coaxially connected.
In the above-mentioned anti-rotational location structure of deep hole, support is fixed with described base plate, described cylinder is inverted and is set
On the support.
In the above-mentioned anti-rotational location structure of deep hole, described fixed cell is 1-4.Fixed cell is evenly distributed on
On gusset, by these fixed cells, positioning sleeve can be fixed on the pump housing.When fixed cell is 1, the internal diameter of positioning sleeve
Match with pump housing external diameter, position adjustments need not be carried out when positioning sleeve is nested on the pump housing, anti-rotating shaft is just same with pump shaft
Axle is arranged, and is capable of achieving to fix positioning sleeve by 1 fixed cell.When fixed cell is 2-4, the internal diameter of positioning sleeve will
More than the external diameter of the pump housing, order operates 2-4 fixed cell, by by 2-4 fixed cell after making anti-rotating shaft coaxial with pump shaft
Positioning sleeve is fixed on the pump housing.
In the above-mentioned anti-rotational location structure of deep hole, described fixed cell is 3.
In the above-mentioned anti-rotational location structure of deep hole, described fixed cell include on the gusset along positioning sleeve footpath
To the screwed hole one for extending, the lock-screw being arranged in screwed hole one and located at the inner briquetting of lock-screw.
In the above-mentioned anti-rotational location structure of deep hole, it is heavy with what lock-screw was coaxially disposed to have on described briquetting
Hole, is equipped with the attachment screw coordinated with counterbore gap in described counterbore, the end of the lock-screw has screwed hole two,
The attachment screw is threadedly coupled with screwed hole two.When lock-screw when rotated, because attachment screw and briquetting are that gap coordinates,
Briquetting will not follow lock-screw to rotate, and only can follow lock-screw along the axially-movable of lock-screw.
In the above-mentioned anti-rotational location structure of deep hole, there is V-groove, the extension side of the V-groove on described briquetting
To with anti-shaft parallel.V-groove can play the cushioning effect to the pump housing, prevent pump housing surface squeezed bad；Simultaneously can also be more preferable
Coordinate with the pump housing, with stronger nonslip properties.
In the above-mentioned anti-rotational location structure of deep hole, have in fan-shaped opening on described positioning sleeve.Opened by this
Mouthful can rapid scan whether be properly inserted in the pump housing to anti-rotating shaft, moreover it is possible to judge whether positioning sleeve coaxial with the pump housing.
During work, positioning sleeve is nested on the pump housing, by open view, centering positioning sleeve, it is ensured that anti-rotating shaft is smoothly inserted
Enter in the pump housing, make anti-rotating shaft coaxial with pump shaft；Respectively lock-screw of the rotation on gusset, drives each briquetting gradually to extrude
To on the pump housing, until by positioning sleeve fixation；Start cylinder, cylinder piston rod stretches out, drive anti-rotating shaft axially-movable；Back and forth
Wheel rotor, drives pump shaft to carry out back rotation, quits work until sphenocephaly is inserted into exhaust hood in flat recess.
Positioning sleeve is circumferentially fixed relative to the pump housing, and cylinder is fixed on positioning sleeve, and anti-rotating shaft is circumferentially solid relative to positioning sleeve
Fixed, reaching makes pump shaft circumferentially fixed relative to the pump housing.
Compared with prior art, the anti-rotational location structure of this deep hole has advantages below：
Because the internal diameter of positioning sleeve is more than the external diameter of the pump housing, the pump housing of the various external diameters less than positioning sleeve internal diameter is applicable to,
It is applied widely；Positioning sleeve is fixed conveniently with the pump housing, fixes rear stability height, can effectively prevent pump shaft from circumferentially rotating, and then
It is convenient impeller to be assembled on pump shaft or the dismounting from pump shaft, good practical effect
Description of the drawings
Fig. 1 is a kind of working state figure of preferred embodiment that the utility model is provided.
Fig. 2 is the structural representation of the location structure that the utility model is provided.
Fig. 3 is the another structural representation of the location structure that the utility model is provided.
Fig. 4 is the sectional view of the fixed cell that the utility model is provided.
In figure, 1, positioning sleeve；2nd, anti-rotating shaft；3rd, sphenocephaly；4th, cylinder；5th, support；6th, lock-screw；7th, briquetting；8th, sink
Hole；9th, attachment screw；10th, V-groove；11st, it is open.
Specific embodiment
The following is specific embodiment of the utility model and combine accompanying drawing, further is made to the technical solution of the utility model
Description, but the utility model is not limited to these embodiments.
The anti-rotational location structure of deep hole as shown in Figures 2 and 3, including the positioning sleeve 1 with gusset and base plate, base plate
Middle part has through hole, and the anti-rotating shaft 2 being coaxially disposed with positioning sleeve 1 is equipped with through hole, and restriction is provided between anti-rotating shaft 2 and pump shaft
The circumferential position-limiting unit of pump shaft rotation, gusset is provided with the fixed cell for being connected with pump body sidewall, and base plate is provided with driving
The driver element of the axially-movable of anti-rotating shaft 2.
The end of pump shaft has flat recess, and anti-rotating shaft 2 is coaxially disposed with pump shaft, as shown in Fig. 2 circumferential position-limiting unit includes
Located at the sphenocephaly 3 being equipped with flat recess of the inner of anti-rotating shaft 2.Flat recess can directly be opened in the end of pump shaft,
Flat recess head screw can be locked in the end of pump shaft, the flat recess head of screw can be used as flat recess.The structure of sphenocephaly 3 and one
The structure of word screw front end is identical, after snapping onto in flat recess, can limit the rotation of pump shaft.
As shown in Figure 1, Figure 2 and Figure 3, driver element includes being fixed on cylinder 4 on base plate, the piston rod of cylinder 4 with it is anti-
Rotating shaft 2 is coaxially connected.
As shown in Figures 2 and 3, support 5 is fixed with base plate, cylinder 4 is inverted on the support 5.
It is 1-4 that fixed cell can be arranged according to actual conditions.
Fixed cell is evenly distributed on gusset, by these fixed cells, positioning sleeve 1 can be fixed on the pump housing.When
When fixed cell is 1, internal diameter and the pump housing external diameter of positioning sleeve 1 match, and need not carry out when positioning sleeve 1 is nested on the pump housing
Position adjustments, anti-rotating shaft 2 has just been coaxially disposed with pump shaft, is capable of achieving to fix positioning sleeve 1 by 1 fixed cell.When
When fixed cell is 2-4, the internal diameter of positioning sleeve 1 is greater than the external diameter of the pump housing, and order operates 2-4 fixed cell, makes anti-rotation
By the way that 2-4 fixed cell is fixed to positioning sleeve 1 on the pump housing after axle 2 is coaxial with pump shaft.
In the present embodiment, fixed cell is 3.
As shown in figure 3, fixed cell includes the screwed hole one radially extended along positioning sleeve 1 on the gusset, is arranged in
Lock-screw 6 and the briquetting 7 located at the inner of lock-screw 6 in screwed hole one.
As shown in figure 4, having the counterbore 8 being coaxially disposed with lock-screw 6 on briquetting 7, it is equipped with and counterbore 8 in counterbore 8
The attachment screw 9 that gap coordinates, the end of lock-screw 6 has screwed hole two, and the attachment screw 9 connects with the screw thread of screwed hole two
Connect.When lock-screw 6 when rotated, because attachment screw 9 and briquetting 7 are that gap coordinates, briquetting 7 will not follow lock-screw 6
Rotation, only can follow lock-screw 6 along the axially-movable of lock-screw 6.
As shown in figure 3, having V-groove 10 on briquetting 7, the bearing of trend of V-groove 10 is parallel with anti-rotating shaft 2.The energy of V-groove 10
The cushioning effect to the pump housing is played, prevents pump housing surface squeezed bad；Preferably can also coordinate with the pump housing simultaneously, prevent with stronger
Sliding characteristic.
As depicted in figs. 1 and 2, have in fan-shaped opening 11 on positioning sleeve 1.By the opening 11 can rapid scan to anti-
Whether rotating shaft 2 is properly inserted in the pump housing, moreover it is possible to judge whether positioning sleeve 1 is coaxial with the pump housing.
During work, as shown in figure 1, positioning sleeve 1 is nested on the pump housing, observed by opening 11, centering positioning sleeve 1, protected
Demonstrate,prove anti-rotating shaft 2 to be successfully inserted in the pump housing, make anti-rotating shaft 2 coaxial with pump shaft；Rotation respectively is located at the lock-screw 6 on gusset,
Each briquetting 7 is driven gradually to be expressed on the pump housing, until by the fixation of positioning sleeve 1；Start cylinder 4, the piston rod of cylinder 4 stretches out,
Drive the axially-movable of anti-rotating shaft 2；Back and forth wheel rotor, drives pump shaft to carry out back rotation, after sphenocephaly 3 is inserted in flat recess
Cylinder 4 quits work.
Positioning sleeve 1 is circumferentially fixed relative to the pump housing, and cylinder 4 is fixed on positioning sleeve 1, and anti-rotating shaft 2 was relative to positioning sleeve 1 week
To fixation, reaching makes pump shaft circumferentially fixed relative to the pump housing.
Specific embodiment described herein is only explanation for example to the utility model spirit.The utility model institute
Category those skilled in the art can make various modifications to described specific embodiment or supplement or using similar
Mode substitute, but without departing from spirit of the present utility model or surmount scope defined in appended claims.
Claims (10)
1. the anti-rotational location structure of a kind of deep hole, including the positioning sleeve (1) with gusset and base plate, the middle part of the base plate has
Through hole, it is characterised in that the anti-rotating shaft (2) being coaxially disposed with positioning sleeve (1), described anti-rotating shaft are equipped with described through hole
(2) the circumferential position-limiting unit for limiting pump shaft rotation is provided with and pump shaft between, described gusset is provided with for solid with pump body sidewall
Fixed cell even, described base plate is provided with the driver element for driving the axially-movable of anti-rotating shaft (2).
2. the anti-rotational location structure of deep hole according to claim 1, it is characterised in that the end of the pump shaft has a word
Groove, described anti-rotating shaft (2) is coaxially disposed with pump shaft, above-mentioned circumferential position-limiting unit include located at anti-rotating shaft (2) it is inner with
The sphenocephaly (3) that flat recess is equipped with.
3. the anti-rotational location structure of deep hole according to claim 1, it is characterised in that above-mentioned driver element includes fixing
Cylinder (4) on base plate, the piston rod of the cylinder (4) is coaxial with anti-rotating shaft (2) to be connected.
4. the anti-rotational location structure of deep hole according to claim 3, it is characterised in that be fixed with support on described base plate
(5), described cylinder (4) is inverted on the support (5).
5. the anti-rotational location structure of deep hole according to claim 1 or 2 or 3 or 4, it is characterised in that described is fixed single
Unit is 1-4.
6. the anti-rotational location structure of deep hole according to claim 5, it is characterised in that described fixed cell is 3.
7. the anti-rotational location structure of deep hole according to claim 6, it is characterised in that described fixed cell includes being located at
The screwed hole one radially extended along positioning sleeve (1) on gusset, the lock-screw (6) being arranged in screwed hole one and located at locking
The inner briquetting (7) of screw (6).
8. the anti-rotational location structure of deep hole according to claim 7, it is characterised in that have on described briquetting (7) with
The counterbore (8) that lock-screw (6) is coaxially disposed, is equipped with the attachment screw coordinated with counterbore (8) gap in described counterbore (8)
(9), the end of the lock-screw (6) has screwed hole two, and the attachment screw (9) is threadedly coupled with screwed hole two.
9. the anti-rotational location structure of deep hole according to claim 8, it is characterised in that there is V-type on described briquetting (7)
Groove (10), the bearing of trend of the V-groove (10) is parallel with anti-rotating shaft (2).
10. the anti-rotational location structure of deep hole according to claim 1, it is characterised in that have on described positioning sleeve (1)
In fan-shaped opening (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182399.0U CN206123506U (en) | 2016-11-03 | 2016-11-03 | Rotational positioning structure is prevented to deep hole |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621182399.0U CN206123506U (en) | 2016-11-03 | 2016-11-03 | Rotational positioning structure is prevented to deep hole |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206123506U true CN206123506U (en) | 2017-04-26 |
Family
ID=58577033
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621182399.0U Expired - Fee Related CN206123506U (en) | 2016-11-03 | 2016-11-03 | Rotational positioning structure is prevented to deep hole |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206123506U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498392A (en) * | 2017-09-08 | 2017-12-22 | 深圳市金洲精工科技股份有限公司 | Bar observes auxiliary mould |
-
2016
- 2016-11-03 CN CN201621182399.0U patent/CN206123506U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107498392A (en) * | 2017-09-08 | 2017-12-22 | 深圳市金洲精工科技股份有限公司 | Bar observes auxiliary mould |
| CN107498392B (en) * | 2017-09-08 | 2023-11-14 | 深圳市金洲精工科技股份有限公司 | Bar material observation auxiliary tool |
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20181103 |