CN218347567U - Plunger pump with replaceable pump head - Google Patents
Plunger pump with replaceable pump head Download PDFInfo
- Publication number
- CN218347567U CN218347567U CN202222212927.4U CN202222212927U CN218347567U CN 218347567 U CN218347567 U CN 218347567U CN 202222212927 U CN202222212927 U CN 202222212927U CN 218347567 U CN218347567 U CN 218347567U
- Authority
- CN
- China
- Prior art keywords
- pump
- hole
- body cavity
- pump head
- column
- 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
Images
Landscapes
- Details Of Reciprocating Pumps (AREA)
Abstract
The utility model provides a plunger pump of removable pump head that trades, include: the pump head seat is internally provided with a pump cavity; a piston slidably disposed within the pump chamber; the pump body is detachably connected with the pump head base, and a body cavity communicated with the pump cavity is formed in the pump body; the body cavity column is arranged in the body cavity in a sliding mode and is detachably connected with the piston; and the driving assembly is connected with the body cavity column and is used for driving the body cavity column to move along the body cavity. The utility model discloses with pump head seat and piston design for removable module, when the user needs the plunger pump of different power, only need to change pump head seat and piston can, reduce the replacement cost.
Description
Technical Field
The utility model belongs to the technical field of medical instrument, especially, relate to a plunger pump of removable pump head that trades.
Background
The plunger pump is a power device which changes the volume of a sealed working cavity by means of the reciprocating motion of a piston so as to convert mechanical energy into hydraulic energy. Plunger pump on the existing market is integrated design, when the user need use the plunger pump of different power, can only purchase corresponding plunger pump in addition, extravagant money.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a plunger pump of removable pump head is for removable module with pump head seat and piston design, when the user needs the plunger pump of different power, only need to change pump head seat and piston can, reduce the replacement cost.
The utility model discloses a realize through following technical scheme:
a removable pump head plunger pump comprising:
the pump head seat is internally provided with a pump cavity;
a piston slidably disposed within the pump chamber;
the pump body is detachably connected with the pump head base, and a body cavity communicated with the pump cavity is formed in the pump body;
the body cavity column is arranged in the body cavity in a sliding mode and is detachably connected with the piston;
and the driving assembly is connected with the body cavity column and is used for driving the body cavity column to move along the body cavity.
Furthermore, a plurality of first threaded holes are formed in one end, facing the pump head seat, of the pump body, first through holes in one-to-one correspondence with the first threaded holes are formed in the pump head seat, and the pump head seat is arranged on the pump body in a threaded connection with the corresponding first threaded holes after penetrating through the first through holes through bolts.
Furtherly, still include sealing washer and clamping ring, the pump chamber is close to first step hole and second step hole have been seted up on the inner wall of pump body one end, the sealing washer sets up on the first step hole, and with the piston contact, the clamping ring sets up on the second step hole, and respectively with the sealing washer with the pump body butt.
Furthermore, a connecting column is arranged on the piston, a first inserting hole for inserting the connecting column is formed in the body cavity column, and the connecting column is inserted into the first inserting hole and detachably connected with the body cavity column.
Furthermore, be equipped with on the body cavity post with the second screw hole of first patchhole intercommunication, second screw hole threaded connection has and is used for the top tightly the locking bolt of spliced pole, offer on the pump body and be used for dismantling or install the second through-hole of locking bolt, be equipped with on the second through-hole and be used for the shutoff the stopple of second through-hole.
Further, drive assembly is the motor, one of body cavity post towards the motor serves and is equipped with the second patchhole, the drive end of motor inserts in the second patchhole, and with second patchhole threaded connection, be equipped with spacing post on the outer wall of body cavity post, first rectangular hole has been seted up on the pump body, spacing post inserts first rectangular downthehole.
Furthermore, a guide rail nut is arranged in the insertion hole and is in threaded connection with the driving end of the motor.
Further, the motor is installed on the pump body, and a second gasket is arranged between the motor and the pump body.
Furthermore, be equipped with first gasket on the outer wall of body cavity post, the rectangular hole of second has been seted up on the pump body, first gasket inserts the rectangular downthehole of second.
Further, a circle of bulges are arranged on the inner wall of the body cavity, the body cavity column comprises a first cylindrical section and a second cylindrical section which are connected with each other, and the first cylindrical section is connected with the bulges in a sliding mode.
Compared with the prior art, the beneficial effects of the utility model are that: the pump head seat and the piston are designed into replaceable modules, the pump head seat is detachably mounted on the pump body, the piston is detachably mounted on the cavity column, and when a user needs plunger pumps with different powers, only different pump head seats and different pistons need to be replaced, so that the replacement cost is reduced; for manufacturers, pump head seats and pistons of different models can be produced, or pistons of different sizes can be respectively matched in the same pump head seat to form plunger pumps with different powers, so that the production cost can be reduced, and the product competitiveness can be improved.
Drawings
Fig. 1 is a schematic structural view of a plunger pump with a replaceable pump head according to the present invention;
FIG. 2 is a front view of a plunger pump with a removable pump head according to the present invention;
FIG. 3 isbase:Sub>A cross-sectional view A-A of FIG. 2;
FIG. 4 is a top view of a pump body of the plunger pump with a replaceable pump head according to the present invention;
fig. 5 is an exploded view of the plunger pump with the replaceable pump head according to the present invention.
In the figure, 1-a pump head seat, 11-a pump cavity, 12-a first through hole, 2-a piston, 21-a connecting column, 3-a pump body, 31-a body cavity, 32-a first threaded hole, 33-a second through hole, 34-a first strip hole, 35-a second strip hole, 36-a bulge, 4-a body cavity column, 41-a first insertion hole, 42-a second threaded hole, 43-a second insertion hole, 44-a limiting column, 45-a guide rail nut, 46-a first gasket, 47-a first cylindrical section, 48-a second cylindrical section, 5-a driving component, 6-a sealing ring, 7-a pressing ring and 8-a second gasket.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1, fig. 2 and fig. 3, fig. 1 isbase:Sub>A schematic structural diagram ofbase:Sub>A plunger pump withbase:Sub>A detachable pump head according to the present invention, fig. 2 isbase:Sub>A front view of the plunger pump with the detachable pump head according to the present invention, and fig. 3 isbase:Sub>A sectional view of fig. 2base:Sub>A-base:Sub>A. A kind of removable plunger pump which trades the pump head, including the pump head seat 1, piston 2, pump body 3, coelom column 4 and drive assembly 5; be equipped with pump chamber 11 in the pump head seat 1, piston 2 slides and sets up in pump chamber 11, and pump body 3 can be dismantled with pump head seat 1 and be connected, and the inside body cavity 31 that is equipped with pump chamber 11 intercommunication of pump body 3, and the body cavity post 4 slides and sets up in body cavity 31, and the body cavity post 4 can be dismantled with piston 2 and be connected, and drive assembly 5 is connected with body cavity post 4 for drive body cavity post 4 moves along body cavity 31.
Referring to fig. 4 and 5, fig. 4 is a top view of the pump body of the plunger pump with the removable pump head of the present invention, and fig. 5 is an exploded view of the plunger pump with the removable pump head of the present invention. In an embodiment, a plurality of first threaded holes 32 are formed in one end of the pump body 3 facing the pump head base 1, first through holes 12 corresponding to the plurality of first threaded holes 32 one to one are formed in the pump head base 1, and the pump head base 1 is disposed on the pump body 3 by passing bolts through the first through holes 12 and then being in threaded connection with the corresponding first threaded holes 32. The pump body 3 and the pump head seat 1 can be detachably connected in a bolt connection mode, and the pump is convenient to disassemble and assemble, high in applicability, simple in structure and convenient to process. In order to enable the pump body 3 to be connected with the pump head base 1 more stably, the number of the first threaded holes 32 and the number of the first through holes 12 are at least two, in an embodiment, the number of the first threaded holes 32 is four, and correspondingly, the number of the first through holes 12 is also four, and the four bolts respectively penetrate through the four first through holes 12 and then are in threaded connection with the corresponding first threaded holes 32, so that the pump head base 1 is installed on the pump body 3. In an embodiment, a first receiving hole for receiving a bolt is opened on an inner wall of an end of the first through hole 12 away from the first threaded hole 32. The arrangement enables the bolt for connecting the pump body 3 and the pump head base 1 to be inserted into the first accommodating hole, so that the bolt is hidden in the first accommodating hole, and the influence of the bolt on external parts is avoided.
Referring to fig. 3 and 5, in order to ensure the sealing performance between the piston 2 and the pump cavity 11, in an embodiment, the utility model discloses the plunger pump of the removable pump head still includes sealing washer 6 and clamping ring 7, and pump cavity 11 has been seted up first step hole and second step hole on being close to the inner wall of the 3 one end of the pump body, and sealing washer 6 sets up on first step hole to contact with piston 2, and clamping ring 7 sets up on the second step hole, and respectively with sealing washer 6 and the 3 butts of the pump body. The sealing ring 6 is pressed on the first stepped hole through the pressing ring 7, so that the sealing between the sealing ring 6 and the pump cavity 11 and the sealing between the sealing ring 6 and the piston 2 are realized, and when each outlet of the pump cavity 11 is plugged, a closed space is formed in the space between the pump cavity 11 and the piston 2. When the driving component 5 drives the piston 2 to move linearly along the direction away from the pump head seat 1 through the cavity column 4, negative pressure is generated in the pump cavity 11; when the driving component 5 drives the piston 2 to move linearly along the direction entering the pump head seat 1 through the cavity column 4, positive pressure is generated in the pump cavity 11; the liquid suction hole and the liquid outlet hole which are communicated with the pump cavity 11 are formed in the pump head seat 1, the liquid suction hole and the liquid outlet hole are respectively provided with an electromagnetic valve for opening and closing, when liquid needs to be sucked, the electromagnetic valve on the liquid suction hole is opened, the electromagnetic valve on the liquid outlet hole is closed, the driving assembly 5 drives the piston 2 to move through the body cavity column 4, negative pressure is generated in the pump cavity 11, and liquid is sucked into the pump cavity 11 through the liquid suction hole; when liquid needs to be discharged, the electromagnetic valve on the liquid suction hole is closed, the electromagnetic valve on the liquid discharge hole is opened, the driving assembly 5 drives the piston 2 to move through the body cavity column 4, positive pressure is generated in the pump cavity 11, and liquid in the pump cavity 11 is discharged through the liquid discharge hole. Preferably, the liquid suction hole is arranged at one end of the pump head base 1 far away from the pump body 3, and the liquid outlet hole is arranged on the side wall of the pump head base 1.
Referring to fig. 3 and 5, in order to facilitate the detachable connection of the piston 2 with the body cavity column 4, in an embodiment, the piston 2 is provided with a connection column 21, the body cavity column 4 is provided with a first insertion hole 41 for inserting the connection column 21, and the connection column 21 is inserted into the first insertion hole 41 and detachably connected with the body cavity column 4. In an embodiment, the body cavity column 4 is provided with a second threaded hole 42 communicated with the first insertion hole 41, the second threaded hole 42 is in threaded connection with a locking bolt for tightly pushing the connection column 21, the pump body 3 is provided with a second through hole 33 for detaching or installing the locking bolt, and the second through hole 33 is provided with a hole plug for plugging the second through hole 33. The second through hole 33 is generally plugged by a plug, when the locking bolt needs to be disassembled or assembled, the plug is pulled out, then the driving assembly 5 drives the body cavity column 4 to move, so that the second threaded hole 42 in the body cavity column 4 corresponds to the second through hole 33, at the moment, the locking bolt can be screwed down or disassembled after a tool such as a wrench passes through the second through hole 33, and the locking bolt is disassembled or assembled. In order to make the connection between the connection column 21 and the body cavity column 4 more stable, in an embodiment, a plane is disposed on the side surface of the connection column 21, and the locking bolt abuts against the plane to increase the contact area, so that the connection between the connection column 21 and the body cavity column 4 is more stable. Further, in order to make the connection between the connection column 21 and the body cavity column 4 more stable, in an embodiment, the number of the second threaded holes 42 is two, the two second threaded holes 42 are disposed on two opposite sides of the body cavity column 4, the number of the second through holes 33 is also two, and the two second through holes 33 are respectively disposed on the side wall of the pump body 3 corresponding to the two second threaded holes 42, for detaching or installing the locking bolts in the two second threaded holes 42.
Referring to fig. 3 and 5, in an embodiment, the driving component 5 is a motor, a second insertion hole 43 is disposed on one end of the body cavity column 4 facing the motor, a driving end of the motor is inserted into the second insertion hole 43 and is in threaded connection with the second insertion hole 43, a limiting column 44 is disposed on an outer wall of the body cavity column 4, a first elongated hole 34 is disposed on the pump body 3, and the limiting column 44 is inserted into the first elongated hole 34. The principle of the linear movement of the motor-driven cavity column 4 is similar to screw rod transmission, the driving end of the motor is in threaded connection with the second insertion hole 43, and the limiting column 44 is matched with the first long hole 34, so that the rotary movement of the driving end of the motor is converted into linear movement, the motor-driven cavity column 4 is driven to linearly move along the body cavity 31, and the piston 2 is driven to linearly move along the pump cavity 11 through the body cavity column 4. In one embodiment, a guide nut 45 is arranged in the insertion hole, and the guide nut 45 is in threaded connection with the driving end of the motor. This setting adopts the drive end threaded connection of track nut and motor to need not to carry out female thread machining to second patchhole 43, reduce the processing degree of difficulty and processing cost, and then reduce the utility model discloses the cost of manufacture of the plunger pump of removable pump head that trades.
Referring to fig. 3 and 5, in an embodiment, the motor is mounted on the pump body 3, and a second gasket 8 is disposed between the motor and the pump body 3. The motor can be connected and installed on the pump body 3 by bolts, so that two ends of the body cavity 31 are closed, and dust and impurities are prevented from entering the body cavity 31. The second gasket 8 can play a role in protecting the motor and the pump body 3. In an embodiment, a plurality of third threaded holes are formed in one end of the motor facing the pump body 3, third through holes corresponding to the third threaded holes one to one are formed in the pump body 3, and the pump body 3 is disposed on the motor by penetrating through the third through holes by bolts and then being in threaded connection with the corresponding third threaded holes. The pump body 3 and the motor are connected through bolts, so that the pump is convenient to disassemble and assemble, high in applicability, simple in structure and convenient to process. For making the pump body 3 be connected more firm with the motor, the quantity of third screw hole and third through-hole is two at least, and in an embodiment, the quantity of third screw hole is four, and correspondingly, the quantity of third through-hole also is four, passes four third through-holes respectively through four bolts after with the third screw hole threaded connection that corresponds to install the pump body 3 on the motor. In an embodiment, a second accommodating hole for accommodating the bolt is formed in an inner wall of one end, away from the third threaded hole, of the third through hole. This setting makes the bolt that connects pump body 3 and motor insert in the second accommodation hole to make the bolt hide in the second accommodation hole, avoid this bolt to cause the influence to outside spare part.
Referring to fig. 3, in an embodiment, a ring of protrusions 36 is disposed on an inner wall of the body cavity 31, the body cavity pillar 4 includes a first cylindrical section 47 and a second cylindrical section 48 connected to each other, and the first cylindrical section 47 is slidably connected to the protrusions 36. The protrusion 36 is annular to divide the body cavity 31 into a first body cavity 31 and a second body cavity 31, the first body cavity 31 is communicated with the pump cavity 11, the second cylindrical section 48 is slidably disposed in the second body cavity 31, and the first cylindrical section 47 passes through the protrusion 36, is disposed in the first body cavity 31, and is detachably connected with the piston 2.
Referring to fig. 1, 3 and 5, in order to monitor the moving position of the piston 2, in an embodiment, the outer wall of the body cavity pillar 4 is provided with a first gasket 46, the pump body 3 is provided with a second elongated hole 35, and the first gasket 46 is inserted into the second elongated hole 35. The first spacer 46 is used to cooperate with an external photoelectric sensor, which may be disposed at a reset point of the piston 2, so as to monitor the position of the piston 2 via a signal of the photoelectric sensor, and determine whether the piston 2 returns to the reset point, thereby implementing automation.
The following simple description the utility model discloses removable use of plunger pump who trades the pump head:
the pump head seat 1 and the piston 2 are selected according to the required power, and then the pump head seat 1 and the piston 2 are respectively arranged on the pump body 3 and the body cavity column 4. The motor drives the body cavity column 4 to move linearly along the body cavity 31, and the piston 2 is driven to move linearly along the pump cavity 11 by the body cavity column 4, so that negative pressure or positive pressure is generated in the pump cavity 11.
Compared with the prior art, the beneficial effects of the utility model are that: the pump head seat 1 and the piston 2 are designed into replaceable modules, the pump head seat 1 is detachably mounted on the pump body 3, the piston 2 is detachably mounted on the body cavity column 4, when a user needs plunger pumps with different powers, only the different pump head seats 1 and the different pistons 2 need to be replaced, and replacement cost is reduced; for manufacturers, pump head bases 1 and pistons 2 of different models can be produced, or pistons 2 of different sizes can be respectively matched in the same pump head base 1, so that plunger pumps with different strokes and different power can be produced, and the production cost can be reduced and the product competitiveness can be improved.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any form, so that any simple modification, equivalent change and modification made by the technical entity of the present invention to the above embodiments without departing from the technical solution of the present invention all fall within the scope of the technical solution of the present invention.
Claims (10)
1. A plunger pump with a replaceable pump head, comprising:
the pump head seat is internally provided with a pump cavity;
a piston slidably disposed within the pump chamber;
the pump body is detachably connected with the pump head base, and a body cavity communicated with the pump cavity is formed in the pump body;
the body cavity column is arranged in the body cavity in a sliding mode and is detachably connected with the piston;
and the driving assembly is connected with the body cavity column and is used for driving the body cavity column to move along the body cavity.
2. A plunger pump with a detachable pump head as claimed in claim 1, wherein the pump body has a first plurality of threaded holes formed at an end thereof facing the pump head base, the pump head base has a first plurality of through holes corresponding to the first plurality of threaded holes, and the pump head base is disposed on the pump body by passing bolts through the first plurality of through holes and then being threaded into the corresponding first plurality of threaded holes.
3. A plunger pump with a replaceable pump head as claimed in claim 1, further comprising a sealing ring and a pressing ring, wherein a first stepped hole and a second stepped hole are formed in the inner wall of the pump cavity near one end of the pump body, the sealing ring is disposed in the first stepped hole and contacts with the piston, and the pressing ring is disposed in the second stepped hole and abuts against the sealing ring and the pump body respectively.
4. A plunger pump with a detachable pump head as claimed in claim 1, wherein the piston has a connecting post thereon, the body cavity post has a first insertion hole for inserting the connecting post therein, and the connecting post is inserted into the first insertion hole and detachably connected to the body cavity post.
5. A plunger pump with a detachable pump head as claimed in claim 4, wherein the body cavity column is provided with a second threaded hole communicated with the first insertion hole, the second threaded hole is in threaded connection with a locking bolt for pushing against the connection column, the pump body is provided with a second through hole for detaching or installing the locking bolt, and the second through hole is provided with a hole plug for plugging the second through hole.
6. A plunger pump with a detachable pump head as claimed in claim 1, wherein the driving assembly is a motor, a second insertion hole is provided on an end of the body cavity column facing the motor, a driving end of the motor is inserted into the second insertion hole and is screwed into the second insertion hole, a position-limiting column is provided on an outer wall of the body cavity column, a first elongated hole is provided on the pump body, and the position-limiting column is inserted into the first elongated hole.
7. A plunger pump with a removable pump head as claimed in claim 6, wherein a guide nut is disposed in the insertion hole and is threadedly connected to the drive end of the motor.
8. A plunger pump with a removable pump head as claimed in claim 6, wherein the motor is mounted on the pump body, and a second gasket is provided between the motor and the pump body.
9. A plunger pump with a detachable pump head as claimed in claim 1, wherein the outer wall of the body cavity column is provided with a first gasket, the pump body is provided with a second elongated hole, and the first gasket is inserted into the second elongated hole.
10. A plunger pump with a detachable pump head as claimed in claim 1, wherein a circle of protrusion is provided on an inner wall of the body cavity, the body cavity column comprises a first cylindrical section and a second cylindrical section connected to each other, and the first cylindrical section is slidably connected to the protrusion.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222212927.4U CN218347567U (en) | 2022-08-22 | 2022-08-22 | Plunger pump with replaceable pump head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222212927.4U CN218347567U (en) | 2022-08-22 | 2022-08-22 | Plunger pump with replaceable pump head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218347567U true CN218347567U (en) | 2023-01-20 |
Family
ID=84917075
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222212927.4U Active CN218347567U (en) | 2022-08-22 | 2022-08-22 | Plunger pump with replaceable pump head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218347567U (en) |
-
2022
- 2022-08-22 CN CN202222212927.4U patent/CN218347567U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN218347567U (en) | Plunger pump with replaceable pump head | |
| CN213419314U (en) | Booster pump head and diaphragm pump using same | |
| CN215719507U (en) | Energy-saving oil injection screw rod host casing | |
| CN213420226U (en) | Locking structure that moves of drive flange | |
| CN217462513U (en) | Double-end plunger casing | |
| CN2429266Y (en) | Elastic sprayer | |
| CN201891584U (en) | Miniature direct current diaphragm diving pump | |
| CN110529459A (en) | A kind of Quick cylinder | |
| CN221003110U (en) | Full-clamping assembled tooth-flushing device water pump | |
| CN115206674B (en) | High-power servo driver capacitor box | |
| CN219765681U (en) | Lithium electric water gun | |
| CN217380811U (en) | Cleaning machine disjunctor pump | |
| CN218971424U (en) | Air compressor machine with dustproof construction | |
| CN218991865U (en) | Miniature gear pump convenient to firm connection | |
| CN113757087A (en) | Diaphragm pump with backflow structure | |
| CN220320248U (en) | Gear with replaceable gear teeth | |
| CN220890334U (en) | Speed regulator shell | |
| CN207634284U (en) | A kind of high pressure water outlet pump and cleaning machine | |
| CN214403977U (en) | High-efficient screw air compressor machine | |
| CN217908049U (en) | Tooth washing device | |
| CN220814128U (en) | Flushing assembly and toilet | |
| CN214464749U (en) | Valve plate of compressor | |
| CN216278436U (en) | Plunger pump head | |
| CN215635983U (en) | Bearingless hydraulic motor | |
| CN213808141U (en) | Vacuum pump convenient for dismounting and replacing parts |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |