CN221322694U - Mechanical automatic piston withdrawing device of fine stone pump - Google Patents
Mechanical automatic piston withdrawing device of fine stone pump Download PDFInfo
- Publication number
- CN221322694U CN221322694U CN202323403553.5U CN202323403553U CN221322694U CN 221322694 U CN221322694 U CN 221322694U CN 202323403553 U CN202323403553 U CN 202323403553U CN 221322694 U CN221322694 U CN 221322694U
- Authority
- CN
- China
- Prior art keywords
- connecting piece
- piston
- fine stone
- water tank
- movable block
- 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
- 239000004575 stone Substances 0.000 title claims abstract description 22
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 29
- 230000006835 compression Effects 0.000 claims description 21
- 238000007906 compression Methods 0.000 claims description 21
- 238000006073 displacement reaction Methods 0.000 description 6
- 238000010276 construction Methods 0.000 description 3
- 238000001125 extrusion Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Reciprocating Pumps (AREA)
Abstract
The utility model relates to the technical field of fine stone pumps, in particular to a mechanical automatic piston withdrawing device of a fine stone pump, which comprises a hydraulic cylinder main body, wherein a water tank is arranged on the outer side of the hydraulic cylinder main body, a hydraulic rod is arranged in the hydraulic cylinder main body, the hydraulic rod is arranged at one end far away from the hydraulic cylinder main body and is positioned in the water tank, a moving part is arranged in the hydraulic rod, a piston is arranged at one end of the moving part far away from the hydraulic rod, a connecting piece is rotatably connected at one end of the piston close to the moving part, a fixing piece is arranged at one end of the moving part and one end of the connecting piece, a connecting groove is formed in the fixing piece, a containing cavity is formed in the connecting groove, a moving block is connected in the containing cavity in a sliding mode, and one end of the connecting groove far away from the containing cavity is formed in the fixing piece.
Description
Technical Field
The utility model relates to the technical field of fine stone pumps, in particular to a mechanical automatic piston withdrawing device of a fine stone pump.
Background
The fine stone pump is specially developed mortar conveying equipment aiming at the characteristics of floor heating construction, is suitable for large-area and efficient construction of a fine stone concrete filling layer or a mortar filling layer in floor heating engineering, and is also suitable for conveying fine stone concrete in various engineering constructions and pressure grouting of various foundation piles.
Through retrieval, bulletin number CN212535960U discloses a mechanical automatic piston withdrawing device of a fine stone pump, which relates to the field of fine stone concrete conveying equipment and comprises a hydraulic cylinder, a water tank, a conveying cylinder, a semicircular pipe, an oil cylinder leaning disc, a connecting two section, a piston and a proximity switch, wherein the hydraulic cylinder is arranged at the rear end of the water tank, and the conveying cylinder is arranged at the front end of the water tank and is communicated with the water tank; the hydraulic rod of the hydraulic cylinder extends into the water tank and is connected with the oil cylinder leaning disc, and the oil cylinder leaning disc is connected with the piston through a connecting two section; the semicircular tube is fixedly arranged in the water tank through a bolt, the semicircular tube is arranged on the outer side of the hydraulic rod in a surrounding mode, the proximity switch is arranged in the water tank, and the proximity switch is matched with the oil cylinder leaning disc; the defects are that: the piston is connected with the two sections of connection through the bolt, when needs change the piston, need use appurtenance, rotate the bolt, dismantle the bolt, just can make to dismantle the change to the piston, it is comparatively troublesome, when not carrying appurtenance around, just can't change it, consequently to the improvement of current piston device that moves back, design a novel fine stone pump mechanical type automatic piston device that moves back in order to solve above-mentioned technical defect, improve whole piston device's practicality that moves back, it is particularly important.
Disclosure of utility model
The utility model aims to provide a mechanical automatic piston withdrawing device of a fine stone pump, which can be conveniently replaced when a piston is replaced, does not need to be disassembled by an auxiliary tool, improves the overall practicability of the piston withdrawing device and solves the problems in the background technology.
In order to achieve the above purpose, the present utility model provides the following technical solutions:
the utility model provides a mechanical type automatic piston device that moves back of fine stone pump, includes the pneumatic cylinder main part, the outside of pneumatic cylinder main part is equipped with the water tank, just the inside that the pneumatic cylinder main part extends to the water tank is equipped with the hydraulic stem, the one end that the pneumatic cylinder main part was kept away from to the hydraulic stem just is located the inside of water tank is equipped with the moving part, the one end that the hydraulic stem was kept away from to the moving part is equipped with the piston, the one end that the piston is close to the moving part rotates and is connected with the connecting piece, the moving part is equipped with the mounting with the one end of connecting piece, the spread groove has been offered to the inside of mounting and has been held the chamber, the one end that holds the chamber and have been offered the holding groove to the inside that the holding groove was kept away from to the holding groove sliding connection has two sets of limit pieces.
As a preferable scheme of the utility model, a fixed rod is arranged in the connecting piece, the external structure size of the fixed rod is designed correspondingly to the internal structure size of the connecting groove, and the fixed rod is connected with the moving block and the limiting block through the connecting groove.
As a preferable scheme of the utility model, the end, far away from the fixed rod, of the movable block extends to the outer side of the fixed piece, the inside of the fixed piece is provided with the rubber connecting ring, and the movable block is connected with the rubber connecting ring through the extruding plate.
As a preferable scheme of the utility model, the moving block is fixedly connected with a first compression spring in the inner part extending to the accommodating cavity, the limiting block is fixedly connected with a second compression spring in the inner part extending to the accommodating groove, and the limiting block and the moving block are respectively in limiting connection with the fixed rod through the second compression spring and the first compression spring.
As a preferable scheme of the utility model, the connecting piece and one end of the fixing piece, which are close to each other, are respectively provided with a clamping piece, and the connecting piece is connected with the rubber connecting ring through the clamping pieces.
As a preferable scheme of the utility model, one end of the connecting piece and one end of the fixing piece, which are close to each other, are provided with first thread grooves, and the two groups of first thread grooves are connected with each other in a threaded manner.
As a preferable scheme of the utility model, two groups of driving screws are connected with the inner thread of the water tank, the driving screws extend to the inner part of the water tank and are connected with a limiting plate in a rotating way, and the driving screws are connected with a hydraulic rod through the limiting plate.
Compared with the prior art, the utility model has the beneficial effects that:
1. According to the utility model, through the design of the connecting piece and the fixing piece, the fixing rod is pulled out from the inside of the connecting groove, the moving block is driven to move through the first compression spring, so that the extruding plate can be reset, the connecting piece is rotated to disconnect the two groups of first thread grooves, so that the connection between the two groups of clamping pieces can be disconnected at the same time, the connecting piece is disconnected through the connection between the clamping piece and the rubber connecting ring, the friction force between the piston and the fixing piece is reduced, the piston can be replaced, and when the piston is replaced, the piston can be replaced conveniently without auxiliary tools.
2. According to the utility model, through the design of the limiting plate, when the piston needs to be replaced, the driving screw is rotated to drive the limiting plate to displace, so that the connection between the limiting plate and the hydraulic rod can be disconnected, and the hydraulic rod is driven to displace through the hydraulic cylinder main body, so that the piston can displace to the inside of the water tank, and the piston can be replaced.
Drawings
FIG. 1 is a schematic diagram of the overall structure of the present utility model;
FIG. 2 is a schematic view of the enlarged structure of FIG. 2A according to the present utility model;
fig. 3 is a schematic view of the internal structure of the water tank of the present utility model.
In the figure: 1. a hydraulic cylinder main body; 2. a water tank; 3. a hydraulic rod; 4. a moving member; 5. a piston; 6. a connecting piece; 7. a fixing member; 8. a connecting groove; 9. a receiving chamber; 10. a moving block; 11. a receiving groove; 12. a limiting block; 13. an extrusion plate; 14. a rubber connecting ring; 15. a first compression spring; 16. a second compression spring; 17. a clamping piece; 18. driving a screw; 19. and a limiting plate.
Detailed Description
The technical solutions of the embodiments of the present utility model will be clearly and completely described below in conjunction with the embodiments of the present utility model, and it is apparent that the described embodiments are only some embodiments of the present utility model, but not all embodiments, and all other embodiments obtained by those skilled in the art without making any inventive effort based on the embodiments of the present utility model are within the scope of protection of the present utility model.
Examples:
Referring to fig. 1-3, the present utility model provides a technical solution:
The utility model provides a mechanical type automatic piston device that moves back of fine stone pump, including pneumatic cylinder main part 1, the outside of pneumatic cylinder main part 1 is equipped with water tank 2, and the inside that pneumatic cylinder main part 1 extends to water tank 2 is equipped with hydraulic stem 3, hydraulic stem 3 keeps away from the one end of pneumatic cylinder main part 1 and is located the inside of water tank 2 and is equipped with moving part 4, moving part 4 is kept away from hydraulic stem 3's one end and is equipped with piston 5, piston 5 is close to moving part 4's one end rotation and is connected with connecting piece 6, moving part 4 is equipped with mounting 7 with connecting piece 6's one end, connecting groove 8 has been seted up to the inside of mounting 7, holding chamber 9's inside sliding connection has movable block 10, holding groove 8 is kept away from holding chamber 9's one end and is extended to mounting 7's inside and has been seted up holding groove 11, holding groove 11's inside sliding connection has two sets of limit pieces 12.
Further, the inside of connecting piece 6 is equipped with the dead lever, and the external structure size of dead lever is corresponding design with the internal structure size of spread groove 8, and the dead lever passes through spread groove 8 and is connected with movable block 10 and stopper 12, is connected the dead lever with spread groove 8 for connecting piece 6 can be connected with spread groove 8, and the displacement is to the dead lever, carries out the displacement in the inside of spread groove 8, makes the dead lever can be connected with movable block 10 and stopper 12.
Wherein, the one end that the dead lever was kept away from to movable block 10 extends to the outside of mounting 7 and is equipped with stripper plate 13, and the inside of mounting 7 is equipped with rubber go-between 14, and movable block 10 passes through stripper plate 13 and is connected with rubber go-between 14, when movable block 10 is connected with the dead lever, can drive movable block 10 through the dead lever and carry out the displacement for stripper plate 13 can carry out the displacement through movable block 10, contacts with rubber go-between 14.
Secondly, the movable block 10 extends to the first compression spring 15 of inside fixedly connected with of holding chamber 9, stopper 12 extends to the inside fixedly connected with second compression spring 16 of holding tank 11, and stopper 12 and movable block 10 are connected with the dead lever spacing through second compression spring 16 and first compression spring 15 respectively, when the dead lever is connected with movable block 10 and stopper 12, through first compression spring 15 and second compression spring 16, can drive movable block 10 and stopper 12 respectively and displace, make movable block 10 and stopper 12 can carry out spacing connection with the dead lever, thereby can be with the dead lever spacing in the inside of spread groove 8, consequently, make connecting piece 6 can carry out spacing connection with mounting 7, drive piston 5 and movable piece 4 and be connected.
Furthermore, the connecting piece 6 and the one end that the mounting 7 is close to each other all are equipped with joint spare 17, and the connecting piece 6 is connected with rubber go-between 14 through joint spare 17, when connecting piece 6 is connected with the mounting 7 for two sets of joint spare 17 can interconnect, and joint spare 17 in the connecting piece 6 outside can contact with rubber go-between 14 simultaneously, and cooperation stripper plate 13 can extrude rubber go-between 14 to can increase the frictional force between piston 5 and the mounting 7, prevent that piston 5 from appearing the skew.
Still further, the first thread groove has all been seted up to the one end that connecting piece 6 and mounting 7 are close to each other, two sets of first thread groove interconnect threaded connection, with two sets of first thread groove interconnect threaded connection, make connecting piece 6 can with mounting 7 threaded connection, when connecting piece 6 and mounting 7 are connected, can increase the connection stability between them, prevent to appear the skew, when needs change piston 5, pull out the dead lever from the inside of spread groove 8, drive movable block 10 through first compression spring 15 and carry out the displacement, make squeeze plate 13 can reset, rotate the connection disconnection between connecting piece 6 and two sets of first thread grooves, make the connection between two sets of joint pieces 17 can be disconnected simultaneously, consequently, make connecting piece 6 pass through the connection disconnection between joint piece 17 and the rubber go-between 14, reduce the frictional force between piston 5 and the mounting 7, thereby make and change piston 5.
Still further, the inside threaded connection of water tank 2 has two sets of drive screw 18, and drive screw 18 extends to the inside rotation of water tank 2 and is connected with limiting plate 19, and drive screw 18 passes through limiting plate 19 and is connected with hydraulic stem 3, when needs change piston 5, rotates drive screw 18, drives limiting plate 19 and displaces for the connection between limiting plate 19 and the hydraulic stem 3 can be disconnected, drives hydraulic stem 3 through hydraulic cylinder main part 1 and displaces, makes piston 5 can displace to the inside of water tank 2, changes piston 5.
In this embodiment, the implementation scenario specifically includes: in actual use, the fixed rod is connected with the connecting groove 8, the connecting piece 6 can be connected with the connecting groove 8, the displacement is carried out to the fixed rod, the inside of the connecting groove 8 is displaced, the fixed rod can be connected with the movable block 10 and the limiting block 12, when the movable block 10 is connected with the fixed rod, the movable block 10 can be driven to displace through the fixed rod, the extruding plate 13 can be displaced through the movable block 10 and be contacted with the rubber connecting ring 14, when the fixed rod is connected with the movable block 10 and the limiting block 12, the movable block 10 and the limiting block 12 can be driven to displace respectively through the first compression spring 15 and the second compression spring 16, the movable block 10 and the limiting block 12 can be in limiting connection with the fixed rod, the fixed rod can be limited inside the connecting groove 8, the connecting piece 6 can be in limiting connection with the fixed piece 7, the piston 5 is driven to be connected with the moving part 4, when the connecting part 6 is connected with the fixing part 7, two groups of clamping parts 17 can be connected with each other, meanwhile, the clamping parts 17 at the outer side of the connecting part 6 can be contacted with the rubber connecting ring 14, the matched extrusion plate 13 can extrude the rubber connecting ring 14, so that the friction force between the piston 5 and the fixing part 7 can be increased, the piston 5 is prevented from deviating, when the piston 5 needs to be replaced, the driving screw 18 is rotated, the limiting plate 19 is driven to displace, the connection between the limiting plate 19 and the hydraulic rod 3 can be disconnected, the hydraulic rod 3 is driven to displace through the hydraulic cylinder main body 1, the piston 5 can be displaced to the inside of the water tank 2, the piston 5 is replaced, the fixing rod is pulled out from the inside of the connecting groove 8, the moving block 10 is driven to displace through the first compression spring 15, the extrusion plate 13 can be reset, the connection between the two groups of first thread grooves is disconnected by rotating the connecting piece 6, and the connection between the two groups of clamping pieces 17 can be disconnected simultaneously, so that the connecting piece 6 is disconnected through the connection between the clamping pieces 17 and the rubber connecting ring 14, the friction force between the piston 5 and the fixing piece 7 is reduced, the piston 5 can be replaced, and compared with the existing automatic piston withdrawing device, the automatic piston withdrawing device disclosed by the utility model can be used for improving the overall practicability of the automatic piston withdrawing device through design.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a mechanical type automatic piston withdrawing device of fine stone pump, includes pneumatic cylinder main part (1), its characterized in that: the outside of pneumatic cylinder main part (1) is equipped with water tank (2), just the inside that pneumatic cylinder main part (1) extends to water tank (2) is equipped with hydraulic stem (3), the one end that pneumatic cylinder main part (1) was kept away from to hydraulic stem (3) just is located the inside of water tank (2) and is equipped with movable part (4), the one end that hydraulic stem (3) was kept away from to movable part (4) is equipped with piston (5), the one end that piston (5) is close to movable part (4) rotates and is connected with connecting piece (6), the one end of movable part (4) and connecting piece (6) is equipped with mounting (7), spread groove (8) have been seted up to the inside of mounting (7), the inside sliding connection of holding chamber (9) has movable block (10), the one end that holding chamber (9) was kept away from to connecting groove (8) and the inside that extends to mounting (7) has been seted up holding groove (11), the inside sliding connection of holding groove (11) has two limit groups of blocks (12).
2. A mechanical automatic piston retracting device for a fine stone pump according to claim 1, wherein: the inside of connecting piece (6) is equipped with the dead lever, the external structure size of dead lever is corresponding design with the internal structure size of spread groove (8), the dead lever passes through spread groove (8) and is connected with movable block (10) and stopper (12).
3. A mechanical automatic piston retracting device for a fine stone pump according to claim 2, wherein: the one end that dead lever was kept away from to movable block (10) extends to the outside of mounting (7) and is equipped with stripper plate (13), the inside of mounting (7) is equipped with rubber go-between (14), movable block (10) are connected with rubber go-between (14) through stripper plate (13).
4. A mechanical automatic piston retracting device for a fine stone pump according to claim 2, wherein: the movable block (10) extends to the inner part of the accommodating cavity (9) and is fixedly connected with a first compression spring (15), the limiting block (12) extends to the inner part of the accommodating groove (11) and is fixedly connected with a second compression spring (16), and the limiting block (12) and the movable block (10) are in limiting connection with the fixed rod through the second compression spring (16) and the first compression spring (15) respectively.
5. A mechanical automatic piston retracting device for a fine stone pump according to claim 3, wherein: one ends of the connecting piece (6) and the fixing piece (7) which are close to each other are respectively provided with a clamping piece (17), and the connecting piece (6) is connected with the rubber connecting ring (14) through the clamping pieces (17).
6. A mechanical automatic piston retracting device for a fine stone pump according to claim 1, wherein: the connecting piece (6) and the fixing piece (7) are close to each other, and one end of each connecting piece is provided with a first thread groove, and the two groups of first thread grooves are connected with each other in a threaded mode.
7. A mechanical automatic piston retracting device for a fine stone pump according to claim 1, wherein: the internal thread connection of water tank (2) has two sets of drive screw (18), drive screw (18) extend to the inside rotation of water tank (2) and are connected with limiting plate (19), just drive screw (18) are connected with hydraulic rod (3) through limiting plate (19).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323403553.5U CN221322694U (en) | 2023-12-13 | 2023-12-13 | Mechanical automatic piston withdrawing device of fine stone pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323403553.5U CN221322694U (en) | 2023-12-13 | 2023-12-13 | Mechanical automatic piston withdrawing device of fine stone pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221322694U true CN221322694U (en) | 2024-07-12 |
Family
ID=91791611
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323403553.5U Active CN221322694U (en) | 2023-12-13 | 2023-12-13 | Mechanical automatic piston withdrawing device of fine stone pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221322694U (en) |
-
2023
- 2023-12-13 CN CN202323403553.5U patent/CN221322694U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN110700796A (en) | Intelligent carbon fiber continuous flexible sucker rod long-stroke large-pump deep pumping oil production system | |
| CN221322694U (en) | Mechanical automatic piston withdrawing device of fine stone pump | |
| CN213808859U (en) | Sealing element for environment-friendly water pump | |
| CN219366248U (en) | Plunger pump convenient to overhaul | |
| CN213479432U (en) | Pipeline connecting device for water supply and drainage | |
| CN212578190U (en) | Extension rod of internal grinding machine | |
| CN213016270U (en) | Connectable radial well mouth sealer | |
| CN220891034U (en) | Oil drain device for oil pumping unit speed reducer | |
| CN220869347U (en) | Alloy sucker rod rotary device | |
| CN219472991U (en) | Hydraulic pipeline connecting device for hydraulic engineering | |
| CN221169971U (en) | High-pressure pump capable of being connected with pipeline rapidly | |
| CN216342732U (en) | Slurry pump aligning pull rod | |
| CN220336865U (en) | Packer expansion type expansion pipe patch tool | |
| CN114541328B (en) | Ecological slope protection supporting structure for hydraulic engineering | |
| CN216201365U (en) | Municipal water supply and drainage pipeline connecting structure simple to install and good in sealing performance | |
| CN216009108U (en) | Rear vertical oil cylinder for crane | |
| CN221748111U (en) | Electric push rod | |
| CN221169978U (en) | Plunger pump head and plunger pump convenient to dismantle | |
| CN212144020U (en) | Oil field casing pipe restoration shaping device | |
| CN218665176U (en) | Hydraulic jack with replaceable inner cavity | |
| CN117927444B (en) | Screw rod piston pump | |
| CN214118622U (en) | Hydraulic driving device | |
| CN219588424U (en) | PVC drainage pipe | |
| CN221373036U (en) | Hydraulic static force dismantling device for concrete column | |
| CN215596810U (en) | Monitoring device for monitoring building safety |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |