CN223035237U - Plunger pump head and plunger pump - Google Patents
Plunger pump head and plunger pump Download PDFInfo
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- CN223035237U CN223035237U CN202422146695.6U CN202422146695U CN223035237U CN 223035237 U CN223035237 U CN 223035237U CN 202422146695 U CN202422146695 U CN 202422146695U CN 223035237 U CN223035237 U CN 223035237U
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Abstract
本申请涉及料液输送的技术领域，一种柱塞泵泵头及柱塞泵包括泵头本体，泵头本体为不锈钢材质，泵头本体设有进水腔、出水腔和柱塞腔，柱塞腔设有若干个，进水腔和出水腔与柱塞腔相连通。不锈钢材质具有高强度、耐腐蚀和耐高温的特性，泵头本体为不锈钢材质，有助于提高泵头本体结构强度，进而提高泵头本体的使用寿命，设置多个柱塞腔，进水腔和出水腔与多个柱塞腔均相连通，便于多个柱塞同时工作，提高柱塞泵的工作效率。
The present application relates to the technical field of liquid delivery, a plunger pump head and a plunger pump including a pump head body, the pump head body is made of stainless steel, the pump head body is provided with a water inlet chamber, a water outlet chamber and a plunger chamber, and there are several plunger chambers, and the water inlet chamber and the water outlet chamber are connected with the plunger chamber. Stainless steel material has the characteristics of high strength, corrosion resistance and high temperature resistance. The pump head body is made of stainless steel, which helps to improve the structural strength of the pump head body, thereby improving the service life of the pump head body. Multiple plunger chambers are provided, and the water inlet chamber and the water outlet chamber are connected with multiple plunger chambers, which is convenient for multiple plungers to work at the same time, thereby improving the working efficiency of the plunger pump.
Description
Technical Field
The application relates to the technical field of feed liquid conveying, in particular to a plunger pump head and a plunger pump.
Background
Plunger pumps are an important device of hydraulic systems. The oil absorption and the oil pressing are realized by means of the reciprocating motion of the plunger in the cylinder body to change the solvent sealing the working containing cavity. The plunger pump has the advantages of high rated pressure, compact structure, high efficiency, convenient flow adjustment and the like, and is widely applied to occasions requiring high pressure, high flow and flow adjustment, such as hydraulic presses, engineering machinery and ships.
The plunger pump mainly drives the plunger to reciprocate through the rotation of the crankshaft, so that the airtight volume change in the pump head is realized, and the suction and the discharge of liquid are realized. The pump head is the main pressure-bearing member, and pump head department receives alternating pressure to influence for a long time, exists because of pump head structural strength is not enough, leads to the condition of pump head damage, and because the life-span is shorter constitutes the maintenance cost high to be accompanied down time.
Disclosure of utility model
In order to enhance the structural strength of a pump head and prolong the service life of a plunger pump, the application provides the pump head of the plunger pump and the plunger pump.
In a first aspect, the present application provides a pump head of a plunger pump, which adopts the following technical scheme:
The utility model provides a plunger pump head, includes the pump head body, the pump head body is stainless steel material, the pump head body is equipped with inlet chamber, play water cavity and plunger chamber, the plunger chamber is equipped with a plurality of, inlet chamber and play water cavity with the plunger chamber is linked together.
Through adopting above-mentioned technical scheme, stainless steel has high strength, corrosion-resistant and high temperature resistant characteristic, and the pump head body is stainless steel, helps improving pump head body structural strength, and then improves the life of pump head body, sets up a plurality of plunger cavities, and intake chamber and play water cavity and a plurality of plunger cavities homogeneous phase intercommunication, the simultaneous working of a plurality of plungers of being convenient for improves the work efficiency of plunger pump.
Preferably, the pump head body comprises a cylinder body, a drainage body and a water inlet body, the plunger cavity is located in the cylinder body, the water inlet cavity is located in the water inlet body, the water outlet cavity is located in the drainage body, the water inlet body is connected to one side of the cylinder body along the axis direction of the plunger cavity, and the drainage body is connected to one side of the cylinder body along the vertical direction.
Through adopting above-mentioned technical scheme, the pump head body is formed by cylinder body, water inlet body and drainage body combination, is convenient for maintain and change cylinder body, water inlet body and drainage body respectively, improves pump head body and is life, reduction in production cost.
Preferably, the outer wall of the cylinder body is connected with an ear plate, the ear plate is provided with a first fixing hole, the water inlet body is provided with a first connecting hole, the first connecting hole is used for allowing a bolt to pass through and is connected in the first fixing hole in a threaded mode, one side, close to the cylinder body, of the water drainage body is provided with a second fixing hole, the axis of the second fixing hole is vertical, the cylinder body is provided with a second connecting hole, the second connecting hole penetrates through the cylinder body along the axis direction of the second fixing hole, and the second connecting hole is used for allowing the bolt to pass through and is connected in the second fixing hole in a threaded mode.
Through adopting above-mentioned technical scheme, through the fixed connection of bolt drainage body and water inlet body and cylinder body, improve the stability of being connected between drainage body and water inlet body and the cylinder body, when needing to overhaul, loosen the bolt, realize drainage body and water inlet body and cylinder body relative separation, improve work efficiency.
Preferably, the device further comprises a reinforcing rib, wherein the reinforcing rib extends from the lug plate to the outer wall of the cylinder body.
Through adopting above-mentioned technical scheme, the strengthening rib extends to the cylinder body outer wall from the otic placode, improves the structural strength between otic placode and the cylinder body, reduces otic placode and cylinder body junction and leads to cracked possibility because of stress concentration, improves the life of cylinder body.
Preferably, one side of the water inlet body, which is close to the cylinder body, is connected with a plurality of first convex rings, the first convex rings are distributed at intervals along the length direction of the water inlet body, one side of the cylinder body, which is close to the water inlet body, is connected with first positioning rings, the number of the first positioning rings is the same as that of the first convex rings and corresponds to the number of the first convex rings one by one, the first positioning rings are coaxially embedded in the first convex rings, and the outer wall of each first positioning ring is attached to the inner wall of each first convex ring.
Through adopting above-mentioned technical scheme, first positioning ring and first bulge loop cooperate, and the installation to water intaking body and cylinder body is the step positioning action at first for first connecting hole is just right with first fixed orifices, and the bolt of being convenient for passes in first connecting hole back threaded connection is in first fixed orifices, realizes the fixed connection of water intaking body and cylinder body.
Preferably, a first round corner is arranged at the inner wall of the first convex ring, which is close to one end of the cylinder body, and the first round corner is used for the abutting connection of one end, which is close to the water inlet body, of the outer wall of the first positioning ring.
Through adopting above-mentioned technical scheme, first fillet is used for supplying first holding ring outer wall butt, plays the guide effect to first holding ring, and first holding ring of being convenient for inlays in first protruding intra-annular, improves the installation effectiveness of pump head body.
Preferably, one side of the drainage body, which is close to the cylinder body, is connected with a plurality of second convex rings, the second convex rings are distributed at intervals along the length direction of the drainage body, the outer wall of the cylinder body, which is close to the drainage body, is connected with second positioning rings, the number of the second positioning rings is the same as that of the second convex rings and corresponds to that of the second convex rings one by one, the second convex rings are coaxially embedded in the second positioning rings, and the outer walls of the second convex rings are attached to the inner walls of the second positioning rings.
Through adopting above-mentioned technical scheme, second holding ring and second bulge loop cooperate, and the installation to drainage body and cylinder body is the step positioning action initially for the second connecting hole is just right with the second fixed orifices, and the bolt of being convenient for passes in the second fixed orifices of threaded connection behind the second connecting hole, realizes the fixed connection of drainage body and cylinder body.
In a second aspect, the present application provides a plunger pump, which adopts the following technical scheme:
a plunger pump comprising a plunger pump head as claimed in the first aspect.
Through adopting above-mentioned technical scheme, the plunger pump adopts the plunger pump head that structural strength is higher, improves the life of plunger pump head, and then improves the life of plunger pump.
In summary, the present application includes at least one of the following beneficial technical effects:
1. The stainless steel has the characteristics of high strength, corrosion resistance and high temperature resistance, the pump head body is made of the stainless steel, the structural strength of the pump head body is improved, the service life of the pump head body is further prolonged, the plurality of plunger cavities are arranged, the water inlet cavity and the water outlet cavity are communicated with the plurality of plunger cavities, the plurality of plungers can work simultaneously, and the working efficiency of the plunger pump is improved;
2. the pump head body is formed by combining the cylinder body, the water inlet body and the water outlet body, so that the cylinder body, the water inlet body and the water outlet body can be maintained and replaced conveniently, the service life of the pump head body is prolonged, and the production cost is reduced;
3. The first positioning ring is matched with the first convex ring to perform initial step positioning on the installation of the water inlet body and the cylinder body, so that the first connecting hole is opposite to the first fixing hole, a bolt conveniently penetrates through the first connecting hole and then is connected into the first fixing hole in a threaded mode, the fixed connection of the water inlet body and the cylinder body is achieved, the second positioning ring is matched with the second convex ring to perform initial step positioning on the installation of the water outlet body and the cylinder body, so that the second connecting hole is opposite to the second fixing hole, and the bolt conveniently penetrates through the second connecting hole and then is connected into the second fixing hole in a threaded mode, and the fixed connection of the water outlet body and the cylinder body is achieved.
Drawings
Fig. 1 is a schematic diagram of the structure of a pump head of a plunger pump.
Fig. 2 is a cross-sectional view of a plunger pump head.
Fig. 3 is a schematic diagram of the structure of the plunger pump head from another view.
Fig. 4 is an enlarged view at a in fig. 2.
Fig. 5 is a cross-sectional view of a plunger pump head.
Fig. 6 is a schematic structural view of the plunger pump.
Reference numerals illustrate:
1. Pump head body, 11, cylinder body, 111, plunger cavity, 112, lug plate, 1121, first fixing hole, 113, fixing column, 1131, second connecting hole, 114, reinforcing rib, 115, first positioning ring, 116, second positioning ring, 117, connecting plate, 1171, mounting hole, 118, first internal thread section, 119, connecting seat, 1191, caulking groove, 1192, second internal thread section, 1110, first through hole, 1111, water inlet channel, 1112, water outlet channel, 12, water inlet body, 121, water inlet cavity, 122, first connecting hole, 123, first convex ring, 1231, first round angle, 124, second through hole, 125, water inlet pipe, 1251, first external thread section, 126, water inlet, 13, water draining body, 131, water outlet cavity, 132, second fixing hole, 133, second convex ring, 134, third through hole, 135, 136, third internal thread section;
2. 21, a mounting seat, 211 and a third fixing hole;
3. A plunger;
4. A gas cylinder;
5. a pressure regulating valve;
6. A pressure gauge;
7. and a water outlet switch.
Detailed Description
The present application will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, an embodiment of the present application discloses a plunger pump head comprising a pump head body 1. In this embodiment, the pump head body 1 is made of stainless steel. The pump head body 1 comprises a cylinder body 11, a connecting plate 117 is fixedly connected to the outer wall of one end of the cylinder body 11 in the width direction, and one side surface of the connecting plate 117 in the width direction of the cylinder body 11 is flush with the end face of one end, close to the connecting plate 117, of the cylinder body 11. The two connecting plates 117 are arranged, the two connecting plates 117 are symmetrically distributed along the length direction of the cylinder 11, the connecting plates 117 are provided with mounting holes 1171, one connecting plate 117 is provided with two mounting holes 1171, the two mounting holes 1171 are vertically distributed at intervals, and the mounting holes 1171 are used for allowing bolts to pass through and then are in threaded connection with the plunger pump body. The cylinder 11 is provided with a plunger chamber 111 at one end near the connecting plate 117, and the axial direction of the plunger chamber 111 is parallel to the width direction of the cylinder 11. The plunger cavities 111 are provided with a plurality of plunger cavities 111, the plunger cavities 111 are distributed at intervals along the direction perpendicular to the axis of the plunger cavities 111, and two adjacent plunger cavities 111 are not communicated. In this embodiment, three plunger chambers 111 are provided, and the three plunger chambers 111 are uniformly distributed in a direction perpendicular to the axis of the plunger chamber 111.
Referring to fig. 1 and 2, the plunger cavity 111 is provided with a first internally threaded section 118 at the cavity wall near one end of the web 117. The outer wall of the cylinder body 11 is fixedly connected with connecting seats 119, the connecting seats 119 are positioned above the cylinder body 11, the axes of the connecting seats 119 are vertical, and the number of the connecting seats 119 is the same as that of the plunger cavities 111 and corresponds to that of the plunger cavities one by one. The connecting seat 119 is provided with the caulking groove 1191 on the same axis far away from the end of the cylinder body 11, and the groove wall of the caulking groove 1191 is provided with a second internal thread section 1192. The bottom of the caulking groove 1191 is coaxially provided with a first through hole 1110, the first through hole 1110 is communicated with the plunger cavity 111, and the first through hole 1110 is positioned on one side of the first internal thread section 118 away from the connecting plate 117.
Referring to fig. 1 and 3, the pump head body 1 further includes a water inlet body 12, and the water inlet body 12 is fixedly connected to one end of the cylinder 11 remote from the connection plate 117. The outer wall of the cylinder body 11 is fixedly connected with two lug plates 112, and the two lug plates 112 are symmetrically distributed along the length direction of the cylinder body 11. The reinforcing ribs 114 are fixedly connected to one side, far away from the water inlet body 12, of the lug plates 112, the number of the reinforcing ribs 114 is the same as that of the lug plates 112, the reinforcing ribs 114 correspond to the lug plates 112 one by one, and the reinforcing ribs 114 extend from the lug plates 112 to the outer wall of the cylinder body 11. The lug plate 112 is provided with a first fixing hole 1121, and the first fixing hole 1121 penetrates the lug plate 112 in the width direction of the cylinder 11. The water inlet body 12 is provided with first connecting holes 122, the number of the first connecting holes 122 is the same as that of the first fixing holes 1121 and corresponds to that of the first fixing holes 1121 one by one, and the first connecting holes 122 are used for allowing bolts to pass through and then be connected in the first fixing holes 1121 in a threaded mode.
Referring to fig. 2 and 4, a water inlet channel 1111 is coaxially provided at a side of the plunger chamber 111 adjacent to the water inlet body 12, and the water inlet channel 1111 communicates with the outside. The cylinder body 11 is close to one side of the water inlet body 12 and is fixedly connected with a first positioning ring 115, the first positioning ring 115 surrounds the water inlet channels 1111, the number of the first positioning rings 115 is the same as that of the water inlet channels 1111 and corresponds to the number of the water inlet channels 1111 one by one, and the axis of the first positioning ring 115 coincides with the axis of the water inlet channels 1111. The side of the water inlet body 12, which is close to the cylinder body 11, is fixedly connected with first convex rings 123, and the number of the first convex rings 123 is the same as that of the first positioning rings 115 and corresponds to one by one. The first positioning ring 115 is coaxially embedded in the first convex ring 123, the outer wall of the first positioning ring 115 is attached to the inner wall of the first convex ring 123, and one end of the first convex ring 123 close to the cylinder 11 is abutted against one end of the cylinder 11 far away from the connecting plate 117. The inner wall of the first convex ring 123 near one end of the cylinder 11 is provided with a first round angle 1231, and the first round angle 1231 is used for the abutting connection of one end of the outer wall of the first positioning element near the water inlet 12.
Referring to fig. 3 and 4, the water inlet 12 is provided with a water inlet cavity 121, a second through hole 124 is arranged at a cavity wall of the water inlet cavity 121 near one side of the cylinder 11, the axis of the second through hole 124 coincides with that of the first convex ring 123, and the number of the second through holes 124 is the same as that of the first convex ring 123 and corresponds to that of the first convex ring 123 one by one. One side of the water inlet body 12 far away from the cylinder body 11 is fixedly connected with a water inlet pipe 125, the axis of the water inlet pipe 125 is parallel to the axis of the second through hole 124, and the periphery of the water inlet pipe 125 is provided with a first external thread section 1251. The wall of the water inlet cavity 121 far away from one side of the cylinder body 11 is provided with a water inlet 126, the water inlet 126 is communicated with a water inlet pipe 125, and the axis of the water inlet 126 is coincident with the axis of the water inlet pipe 125.
Referring to fig. 2 and 4, the pump head body 1 further includes a drain body 13, and the drain body 13 is fixedly connected to the upper end of the cylinder 11. The plunger cavity 111 is provided with a water outlet channel 1112 at the cavity wall near the drainage body 13 side, and the water outlet channel 1112 is communicated with the outside. The outer wall of the cylinder body 11, which is close to one side of the drainage body 13, is fixedly connected with a second positioning ring 116, the second positioning ring 116 is arranged around the water outlet channels 1112, the number of the second positioning rings 116 is the same as that of the water outlet channels 1112 and corresponds to the number of the water outlet channels 1112 one by one, and the axes of the second positioning rings 116 are coincident with the axes of the water outlet channels 1112. The side of the drainage body 13, which is close to the cylinder body 11, is fixedly connected with second convex rings 133, and the number of the second convex rings 133 is the same as that of the second positioning rings 116 and corresponds to that of the second positioning rings one by one. The second convex ring 133 is coaxially embedded in the second positioning ring 116, the outer wall of the second convex ring 133 is attached to the inner wall of the second positioning ring 116, and one end of the second positioning ring 116 away from the cylinder 11 abuts against one side of the drainage body 13 close to the cylinder 11.
Referring to fig. 3 and 4, the drainage body 13 is provided with a water outlet cavity 131, a third through hole 134 is arranged at a cavity wall of the water outlet cavity 131 near one side of the cylinder 11, the axis of the third through hole 134 coincides with that of the second convex ring 133, and the number of the third through holes 134 is the same as and corresponds to that of the second convex rings 133 one by one. The water outlet cavity 131 is provided with water outlets 135 at the cavity wall near one side of the water inlet body 12, three water outlets 135 are provided, the three water outlets 135 are uniformly distributed along the length direction of the drainage body 13, and a third internal thread section 136 is provided at the inner wall of the water outlet 135.
Referring to fig. 5, the cylinder 11 is fixedly connected with fixing columns 113, the axial direction of the fixing columns 113 is vertical, the fixing columns 113 are provided with a plurality of fixing columns 113, and the fixing columns 113 are distributed at intervals along the length direction of the cylinder 11. In this embodiment, two fixing columns 113 are provided, and one fixing column 113 is provided between two adjacent plunger chambers 111. The fixed column 113 is coaxially provided with a second connection hole 1131, and the second connection hole 1131 penetrates the fixed column 113 along the axial direction of the fixed column 113.
The side of the drainage body 13, which is close to the cylinder body 11, is provided with second fixing holes 132, the number of the second fixing holes 132 is the same as that of the second connecting holes 1131, and the second connecting holes 1131 are used for allowing bolts to pass through and then are connected in the second fixing holes 132 in a threaded manner.
The implementation principle of the plunger pump head of the embodiment of the application is that the connecting plate 117 is attached to the plunger pump body, and bolts penetrate through the mounting holes 1171 and are connected with the plunger pump body in a threaded manner, so that the cylinder body 11 and the plunger pump body are relatively fixed.
The first round corner 1231 is abutted against the outer wall of the first positioning ring 115, so that the first positioning piece is embedded in the first convex ring 123, preliminary fixing of the water inlet body 12 and the cylinder body 11 is realized, the first connecting hole 122 is opposite to the first fixing hole 1121, a bolt passes through the first connecting hole 122 and then is connected into the first fixing hole 1121 in a threaded manner, and relative fixing of the water inlet body 12 and the cylinder body 11 is realized.
The second positioning ring 116 is embedded in the second convex ring 133, so that the drainage body 13 and the cylinder body 11 are preliminarily fixed, the second connecting hole 1131 is opposite to the second fixing hole 132, a bolt passes through the second connecting hole 1131 from the lower part of the cylinder body 11 and then is connected in the second fixing hole 132 in a threaded manner, and the relative fixation of the drainage body 13 and the cylinder body 11 is realized.
The pump head body 1 is made of stainless steel, so that the structural strength of the pump head body 1 is improved, and the service life of the pump head body 1 is prolonged.
Referring to fig. 6, the embodiment of the application also discloses a plunger pump comprising a case 2. The box 2 is fixedly connected to one side of the cylinder body 11, which is far away from the water inlet body 12, one side of the box 2, which is close to the cylinder body 11, is fixedly connected with mounting seats 21, the number of the mounting seats 21 is the same as the number of the connecting plates 117 in one-to-one correspondence, one side surface of the connecting plates 117, which is far away from the water inlet body 12, is attached to one side surface of the mounting seats 21, which is close to the cylinder body 11, the mounting seats 21 are provided with third fixing holes 211, the number of the third fixing holes 211 is the same as the number of the mounting holes 1171 in one-to-one correspondence, and bolts penetrate through the mounting holes 1171 and are connected in the third fixing holes 211 in a threaded manner.
A plunger pump further comprises a plunger 3. The number of the plungers 3 is the same as that of the plunger cavities 111 and corresponds to one by one, and one end, away from the box body 2, of each plunger 3 is coaxially and slidably embedded in the plunger cavity 111.
The plunger pump further comprises a gas cylinder 4, a pressure regulating valve 5 and a pressure gauge 6, wherein the gas cylinder 4, the pressure regulating valve 5 and the pressure gauge 6 are fixedly connected to one side, far away from the cylinder 11, of the drainage body 13.
The plunger pump further comprises a water outlet switch 7. The number of the water outlet switches 7 is the same as that of the water outlets 135 and corresponds to one by one, one end of the water outlet switch 7 is coaxially connected in the water outlets 135 in a threaded manner, and the water outlet switch 7 is communicated with the water outlets 135.
The above embodiments are not intended to limit the scope of the application, so that the equivalent changes of the structure, shape and principle of the application are covered by the scope of the application.
Claims (6)
1. A plunger pump head is characterized by comprising a pump head body (1), wherein the pump head body (1) is made of stainless steel, the pump head body (1) is provided with a water inlet cavity (121), a water outlet cavity (131) and a plunger cavity (111), the plunger cavity (111) is provided with a plurality of plunger cavities, and the water inlet cavity (121) and the water outlet cavity (131) are communicated with the plunger cavity (111);
The pump head body (1) comprises a cylinder body (11), a drainage body (13) and a water inlet body (12);
the water inlet device comprises a cylinder body (11), wherein an ear plate (112) is connected to the outer wall of the cylinder body (11), a first fixing hole (1121) is formed in the ear plate (112), a first connecting hole (122) is formed in the water inlet body (12), the first connecting hole (122) is used for enabling a bolt to pass through and then be connected into the first fixing hole (1121) in a threaded mode, a second fixing hole (132) is formed in one side, close to the cylinder body (11), of the water outlet body (13), the axis of the second fixing hole (132) is vertical, a second connecting hole (1131) is formed in the cylinder body (11), the second connecting hole (1131) penetrates through the cylinder body (11) along the axis direction of the second fixing hole (132), and the second connecting hole (1131) is used for enabling the bolt to pass through and then be connected into the second fixing hole (132) in a threaded mode;
The device also comprises a reinforcing rib (114), wherein the reinforcing rib (114) extends from the lug plate (112) to the outer wall of the cylinder body (11).
2. The plunger pump head according to claim 1, wherein the plunger cavity (111) is located in the cylinder body (11), the water inlet cavity (121) is located in the water inlet body (12), the water outlet cavity (131) is located in the water outlet body (13), the water inlet body (12) is connected to one side of the cylinder body (11) along the axis direction of the plunger cavity (111), and the water outlet body (13) is connected to one side of the cylinder body (11) along the vertical direction.
3. The plunger pump head of claim 1, wherein one side of the water inlet body (12) close to the cylinder body (11) is connected with a plurality of first convex rings (123), the plurality of first convex rings (123) are distributed at intervals along the length direction of the water inlet body (12), one side of the cylinder body (11) close to the water inlet body (12) is connected with first positioning rings (115), the number of the first positioning rings (115) is the same as that of the first convex rings (123) and corresponds to the number of the first convex rings one by one, the first positioning rings (115) are coaxially embedded in the first convex rings (123), and the outer wall of each first positioning ring (115) is attached to the inner wall of each first convex ring (123).
4. The plunger pump head according to claim 3, wherein a first round corner (1231) is arranged at the inner wall of the first convex ring (123) close to one end of the cylinder body (11), and the first round corner (1231) is used for abutting one end of the outer wall of the first positioning ring (115) close to the water inlet body (12).
5. The plunger pump head of claim 1, wherein a plurality of second convex rings (133) are connected to one side, close to the cylinder body (11), of the drainage body (13), the second convex rings (133) are distributed at intervals along the length direction of the drainage body (13), second positioning rings (116) are connected to the outer wall, close to the drainage body (13), of the cylinder body (11), the number of the second positioning rings (116) is the same as that of the second convex rings (133) and corresponds to the number of the second positioning rings (116), the second convex rings (133) are coaxially embedded in the second positioning rings (116), and the outer wall of each second convex ring (133) is attached to the inner wall of each second positioning ring (116).
6. A plunger pump comprising a plunger pump head according to any one of claims 1-5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422146695.6U CN223035237U (en) | 2024-09-02 | 2024-09-02 | Plunger pump head and plunger pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202422146695.6U CN223035237U (en) | 2024-09-02 | 2024-09-02 | Plunger pump head and plunger pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223035237U true CN223035237U (en) | 2025-06-27 |
Family
ID=96124768
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202422146695.6U Active CN223035237U (en) | 2024-09-02 | 2024-09-02 | Plunger pump head and plunger pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223035237U (en) |
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2024
- 2024-09-02 CN CN202422146695.6U patent/CN223035237U/en active Active
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