CN207906046U - A kind of microswitch on high pressure cleaning pump - Google Patents
A kind of microswitch on high pressure cleaning pump Download PDFInfo
- Publication number
- CN207906046U CN207906046U CN201820316527.9U CN201820316527U CN207906046U CN 207906046 U CN207906046 U CN 207906046U CN 201820316527 U CN201820316527 U CN 201820316527U CN 207906046 U CN207906046 U CN 207906046U
- Authority
- CN
- China
- Prior art keywords
- upper body
- microswitch
- hole
- high pressure
- stroke groove
- 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.)
- Active
Links
Landscapes
- Switches Operated By Changes In Physical Conditions (AREA)
Abstract
A kind of microswitch on high pressure cleaning pump, including upper body, the bolted joint set on upper body upper end, the upper body lower end are bolted with lower body；Bolted joint upper surface center is equipped with a water inlet；It is equipped with the inlet opening to connect with water inlet in the bolted joint, the movable span to connect with inlet opening is equipped in upper body, movable bore dia is more than water inlet bore dia；Matched sealing column is installed in the movable span；The upper body lower surface is equipped with the stroke groove to connect with movable span, and stroke groove diameter is more than movable bore dia；The lower body upper end is equipped with the slot that is spirally connected with upper body lower end bolt.The utility model can effectively avoid mandril both ends from eccentric situation occur for the microswitch on high pressure cleaning pump, ensure the contact normal operation of mandrel ends, and can ensure that contact has enough ejection strokes, can effectively turn off the power switch.
Description
Technical field
The utility model is related to a kind of microswitches on high pressure cleaning pump.
Background technology
Jetting machine is a kind of efficient high-pressure, energy-efficient cleaning equipment, and the operation of jetting machine rely primarily in
High pressure cleaning pump, existing high pressure cleaning pump, which mostly uses, closes rifle arresting gear, is carried out to power supply using the contact on microswitch
It is turned on and off, to realize the effect closed rifle and shut down, microswitch is set on the pump housing of high pressure cleaning pump, using in the pump housing
Flowing water stream realizes the flexible of contact, and when staff closes rifle, hydraulic pressure improves suddenly in the pump housing, and flow can be to microswitch
Contact pushed, so that power switch is closed, when staff shoots, the flow in the pump housing is constantly output to the external world,
Hydraulic pressure declines therewith, forms reflux by the inclined hole in the pump housing, is no longer pushed to the contact of microswitch, contact contracts therewith
It returns, power supply opening.
The contact of microswitch is then set to the end position of its mandril, and the mandril of traditional microswitch is integrally formed knot
Structure in the case of long-term be under pressure easily leads to that eccentric problem occurs between the contact of mandril and mandril tail end, once
There is bias, can not only influence the performance of microswitch, and being bent and in microswitch inner wall but will occur in mandril shaft
It rubs, microswitch inner wall is caused to wear, influence its leakproofness, and in the case where mandril shaft is bent serious situation,
Will appear the stuck situation of mandril, cause mandril contact that can not be pushed when hydraulic pressure improves, finally cause power switch without
Method is closed, and there are some potential safety problemss.
The mandril of microswitch realizes the reciprocating movement of mandril by spring, to control pushing and resetting for contact, and
The mandril of traditional microswitch and the spring being placed on outside mandril share a mounting hole, and this assembly method causes spring to reach
When compression limit, the height that spring contraction is formed can then limit the movement of mandril, cause the stroke that mandril can move to reduce, enable
The ejection stroke of contact is reduced therewith, if contact ejection stroke is too short, contact easily can not be turned off the power switch really.
Invention content
The technical problem to be solved by the present invention is to provide a kind of microswitches on high pressure cleaning pump, it can
It effectively avoids mandril both ends from eccentric situation occur, ensures the contact normal operation of mandrel ends, and can ensure that contact has
Enough ejection strokes can be turned off the power switch effectively.
The technical scheme in the invention for solving the above technical problem is：
The utility model discloses a kind of microswitch on high pressure cleaning pump, including upper body, is set in upper body
The bolted joint at end, it is characterised in that：The upper body lower end is bolted with lower body；Bolted joint upper surface center is equipped with
One water inlet；It is equipped with the inlet opening to connect with water inlet in the bolted joint, is equipped in upper body and connects with inlet opening
Movable span, movable bore dia are more than water inlet bore dia；Matched sealing column is installed in the movable span；It is described upper
Body lower surface is equipped with the stroke groove to connect with movable span, and stroke groove diameter is more than movable bore dia；The lower body upper end is set
There is the slot that is spirally connected with upper body lower end bolt；Described be spirally connected between slot slot bottom and stroke groove inner wall forms a limited step；Institute
It states lower body lower surface center and is equipped with ejection hole；The ejection hole is connected by a reset hole with stroke groove, and hole is ejected
Diameter, which is less than, resets bore dia, resets bore dia and is less than stroke groove diameter；Matched top is installed in the ejection hole
Bar；Described mandril one end is pierced by ejection hole and is equipped with contact, and the other end passes through reset hole and being connected with to match with stroke groove
Extrusion head；The extrusion head upper surface fits with sealing column lower surface；Matched bullet is installed in the reset hole
Spring；The spring one end contacts at reset hole bottom hole, and the other end contacts at extrusion head lower surface.
The sealing column outer wall is equipped with several seal grooves in genesis analysis；It is equipped in the seal groove and its phase
The sealing ring matched.
The water inlet funnel-form with a narrow upper and lower width.
The upper body is equipped with outer-hexagonal head.
The utility model has the beneficial effects that：
Compared with prior art, tradition is pushed up for the microswitch on high pressure cleaning pump using the utility model structure
Bar is divided into mandril and sealing column, forms split structure, with mandril and sealing post separation, extrusion head and the sealing column phase of mandril
The position of contact can then form a buffer point, and the power of traditional mandril bending can originally be caused then automatically to delay through the buffer point
Punching can effectively avoid mandril bias from causing mandril stuck the case where causing contact that can not eject, and stroke groove diameter is more than and lives
Dynamic bore dia, the extrusion head diameter to match with stroke groove are then more than the sealing column diameter to match with movable span, even if sealing
There is eccentric situation in column, and extruding force can be applied to extrusion head upper surface, be ultimately applied to mandril outer end by sealing column always
Contact on, make the transmission of hydraulic pressure will not be hindered, ensure the sensitivity of contact.
Compared with prior art, only using the spring for the microswitch on high pressure cleaning pump of the utility model structure
It is erected in reset hole, therefore when extrusion head is moved to limited step under the extruding of sealing column, spring can be squeezed completely
It is pressed in reset hole, compressed spring will not occupy any space in stroke groove, and extrusion head can then occur with limited step
Fitting, therefore extrusion head can completely complete the stroke representated by stroke groove deep, avoid since contact ejection stroke is too short
The case where causing contact not turn off the power switch really, and the presence of limited step equally can effectively limit the ejection of mandril
Stroke avoids contact ejection from excessively causing to damage to power switch.
Description of the drawings
Fig. 1 is structural schematic diagram of the utility model for the microswitch on high pressure cleaning pump.
Specific implementation mode
The present invention will be further described in detail below with reference to the accompanying drawings and specific embodiments：
Referring to Fig. 1, the utility model provides a kind of microswitch on high pressure cleaning pump, including upper body 1, set
Bolted joint 2 in 1 upper end of upper body, 1 lower end of the upper body are bolted with lower body 3；2 upper surface center of the bolted joint
Equipped with a water inlet 4；It is equipped with the inlet opening 5 to connect with water inlet 4 in the bolted joint 2, is equipped in upper body 1 and inlet opening
5 movable spans 6 to connect, 6 diameter of movable span are more than 5 diameter of inlet opening；It is equipped in the movable span 6 matched close
Seal column 7；1 lower surface of the upper body is equipped with the stroke groove 8 to connect with movable span 6, and it is straight that 8 diameter of stroke groove is more than movable span 6
Diameter；3 upper end of the lower body is equipped with the slot 9 that is spirally connected with 1 lower end bolt of upper body；It is described to be spirally connected in 9 slot bottom of slot and stroke groove 8
A limited step 10 is formed between wall；3 lower surface center of the lower body is equipped with ejection hole 11；The ejection hole 11 passes through
One reset hole 12 connects with stroke groove 8, and ejection 11 diameter of hole is less than 12 diameter of reset hole, and 12 diameter of reset hole is less than stroke groove
8 diameters；Matched mandril 13 is installed in the ejection hole 11；13 one end of the mandril is pierced by ejection hole 11 and is equipped with
Contact 14, the other end pass through reset hole 12 and are connected with the extrusion head 15 to match with stroke groove 8；15 upper surface of the extrusion head
It fits with 7 lower surface of sealing column；Matched spring 16 is installed in the reset hole 12；16 one end of the spring is supported
It touches in 12 bottom hole of reset hole, the other end contacts at 15 lower surface of extrusion head.
7 outer wall of the sealing column is equipped with several seal grooves 17 in genesis analysis；Be equipped in the seal groove 17 with
Its sealing ring 18 to match.
4 funnel-form with a narrow upper and lower width of the water inlet.
The upper body 1 is equipped with outer-hexagonal head 19.
The application method of the utility model is as follows：
First pass through bolted joint 2 microswitch is bolted on high pressure cleaning pump, make water inlet 4 with it is defeated in high pressure cleaning pump
Water lines connect, and when the hydraulic pressure in high pressure cleaning pump increases, high pressure water flow will enter inlet opening 5 by water inlet 4
It is interior, and then the sealing column 7 in movable span 6 is squeezed, it at this time then can be to squeezing by the sealing column of water pressure pushing 7
First 15 are squeezed, and make mandril 13 towards ejecting outside ejection hole 11, to enable the contact 14 of 13 outer end of mandril to power switch into
Row pushes, and power switch is made to be closed, and is set in reset hole 12 since spring 16 is independent, when extrusion head 15 is in sealing column
When being moved to limited step 10 under 7 extruding, spring 16 can be completely extruded in reset hole 12, and compressed spring 16 is not
Any space in stroke groove 8 can be occupied, extrusion head 15 can be then bonded with limited step 10, therefore extrusion head 15 can be complete
Stroke representated by whole 8 groove depth of completion stroke groove avoids causing contact 14 real since 14 ejection stroke of contact is too short
The case where turning off the power switch, and the presence of limited step 10 equally can effectively limit the ejection stroke of mandril 13, avoid touching
First 14 ejection excessively causes to damage to power switch.
Relative to the integrated formed structure of traditional mandril, traditional mandril is divided into mandril 13 and sealing column 7 by the utility model,
Split structure is formed, as mandril 13 is detached with sealing column 7, position that the extrusion head 15 of mandril 13 is in contact with sealing column 7
A buffer point can be then formed, can originally cause the power of traditional mandril bending then can be through the buffer point automatic buffer, this practicality is new
The mandril 13 of type can then remain concentric under the guide and limit in ejection hole 11, and sealing column 7 is under the guide and limit of movable span 6
It can equally keep concentric, 13 bias of mandril can effectively be avoided to lead to mandril 13 stuck the case where causing contact that can not eject, and
8 diameter of stroke groove is more than 6 diameter of movable span, and 15 diameter of extrusion head to match with stroke groove 8 is then more than to match with movable span 6
7 diameter of sealing column, even if eccentric situation occurs in sealing column 7, extruding force can be applied to extrusion head 15 by sealing column 7 always
Upper surface is ultimately applied on the contact 14 of 13 outer end of mandril, makes the transmission of hydraulic pressure will not be hindered, ensures the spirit of contact 14
Quick property.
7 outer wall of sealing column is equipped with several seal grooves 17 in genesis analysis, is equipped in seal groove 17 and matches with it
Sealing ring 18, the presence of sealing ring 18 can effectively improve the leakproofness between sealing column 7 and movable span 6, avoid the occurrence of by
In the situation that leak causes hydraulic pressure inaccurate.
4 funnel-form with a narrow upper and lower width of water inlet can effectively reduce energy consumption caused by flow flows into inlet opening in the process,
The decrease for avoiding hydraulic pressure ensures the stability of hydraulic pressure.
Upper body 1 is equipped with outer-hexagonal head 19, can be pulled by the external turret head of external spanner 19, be opened conducive to fine motion
The dismounting of pass, replaces or is repaired convenient for staff.
Claims (4)
1. a kind of microswitch on high pressure cleaning pump, including upper body, the bolted joint set on upper body upper end, feature
It is：The upper body lower end is bolted with lower body；Bolted joint upper surface center is equipped with a water inlet；It is described to be spirally connected
It is equipped with the inlet opening to connect with water inlet in head, the movable span to connect with inlet opening, movable bore dia are equipped in upper body
More than water inlet bore dia；Matched sealing column is installed in the movable span；The upper body lower surface is equipped with and work
The stroke groove that dynamic hole connects, stroke groove diameter are more than movable bore dia；The lower body upper end is equipped with and upper body lower end phase
The slot that is spirally connected being spirally connected；Described be spirally connected between slot slot bottom and stroke groove inner wall forms a limited step；In the lower body lower surface
Heart position is equipped with ejection hole；The ejection hole is connected by a reset hole with stroke groove, and it is straight that ejection bore dia is less than reset hole
Diameter resets bore dia and is less than stroke groove diameter；Matched mandril is installed in the ejection hole；It wears described mandril one end
Go out to eject hole and be equipped with contact, the other end passes through reset hole and is connected with the extrusion head to match with stroke groove；The extrusion head
Upper surface fits with sealing column lower surface；Matched spring is installed in the reset hole；The spring one end supports
It touches in reset hole bottom hole, the other end contacts at extrusion head lower surface.
2. a kind of microswitch on high pressure cleaning pump according to claim 1, it is characterised in that：The sealing column
Outer wall is equipped with several seal grooves in genesis analysis；Matched sealing ring is installed in the seal groove.
3. a kind of microswitch on high pressure cleaning pump according to claim 1, it is characterised in that：The water inlet
Funnel-form with a narrow upper and lower width.
4. a kind of microswitch on high pressure cleaning pump according to claim 1, it is characterised in that：The upper body
It is equipped with outer-hexagonal head.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316527.9U CN207906046U (en) | 2018-03-08 | 2018-03-08 | A kind of microswitch on high pressure cleaning pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820316527.9U CN207906046U (en) | 2018-03-08 | 2018-03-08 | A kind of microswitch on high pressure cleaning pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207906046U true CN207906046U (en) | 2018-09-25 |
Family
ID=63558818
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820316527.9U Active CN207906046U (en) | 2018-03-08 | 2018-03-08 | A kind of microswitch on high pressure cleaning pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207906046U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486251A (en) * | 2020-04-20 | 2020-08-04 | 黄新 | Start-stop switch for high-pressure cleaning machine |
-
2018
- 2018-03-08 CN CN201820316527.9U patent/CN207906046U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111486251A (en) * | 2020-04-20 | 2020-08-04 | 黄新 | Start-stop switch for high-pressure cleaning machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104563938A (en) | Continuous shocking tool | |
| CN201386526Y (en) | Plunger capture device used for plunger gas-lift well mouth | |
| CN207906046U (en) | A kind of microswitch on high pressure cleaning pump | |
| CN209294163U (en) | Automatic reciprocal cylinder for roadmarking | |
| CN204371613U (en) | A kind of pumping-assistant pump for oil well pump | |
| CN113279732A (en) | Compression type diameter-variable plunger | |
| CN204804766U (en) | Oil horizontal well presses in area multistage fracturing and reforms transform operation valve | |
| CN201613208U (en) | Novel plunger type glue gun | |
| CN203297087U (en) | Efficient protective oil pumping device | |
| CN211174070U (en) | Injection-production blowout-prevention oil well pump | |
| CN204024572U (en) | Pit shaft spraying prevention switch device and oil extraction pump assembly | |
| CN204511860U (en) | Fracturing pump fluid end assembly | |
| CN204267418U (en) | Large diameter, short stroke hydraulic cylinder | |
| CN103953308B (en) | Blowout prevention device and method for well repair of pumping well | |
| CN206320019U (en) | Injection region Special oil pump | |
| CN206931445U (en) | A kind of transformer noise reduction components | |
| CN205172495U (en) | Automatic bowling of liquid accuse in pit connects | |
| CN103485994B (en) | Hydraulic air-free pump | |
| CN203463242U (en) | Hydraulic airless pump | |
| CN214403532U (en) | Expanding type variable-diameter plunger | |
| CN204002694U (en) | Novel total accepted way of doing sth Underwell anti-injection oil discharger | |
| CN203770103U (en) | Feedback type steam injection oil pump | |
| CN204532798U (en) | A kind of oil-well pump oil inlet valve | |
| CN204344085U (en) | Little pump oil pumping operating system | |
| CN211397844U (en) | Hydraulic feedback oil well pump for shallow horizontal well |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |