CN211422889U - High-pressure cast iron gear pump - Google Patents
High-pressure cast iron gear pump Download PDFInfo
- Publication number
- CN211422889U CN211422889U CN201921846034.7U CN201921846034U CN211422889U CN 211422889 U CN211422889 U CN 211422889U CN 201921846034 U CN201921846034 U CN 201921846034U CN 211422889 U CN211422889 U CN 211422889U
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- CN
- China
- Prior art keywords
- wall
- spring
- cast iron
- bolt
- pressure cast
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 229910001018 Cast iron Inorganic materials 0.000 title claims abstract description 23
- 238000003466 welding Methods 0.000 claims abstract 2
- 238000004804 winding Methods 0.000 claims 1
- 230000000694 effects Effects 0.000 abstract description 2
- 230000035939 shock Effects 0.000 abstract description 2
- 230000006835 compression Effects 0.000 abstract 1
- 238000007906 compression Methods 0.000 abstract 1
- 230000010363 phase shift Effects 0.000 abstract 1
- 238000012423 maintenance Methods 0.000 description 6
- 239000007788 liquid Substances 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000005381 potential energy Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
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- Details And Applications Of Rotary Liquid Pumps (AREA)
- Rotary Pumps (AREA)
Abstract
The utility model discloses a high-pressure cast iron gear pump, including the pump body, front end housing, bolt and driven gear, pump body left end fixed mounting has the front end housing, the inside bolt that has inlayed of front end housing, and the front end housing rear end is provided with the switch, switch front end fixedly connected with head rod, the welding of head rod front end has the lead screw, the movable sleeve has been cup jointed on the lead screw outer wall, movable sleeve top fixedly connected with fly leaf, the fly leaf rear end is connected with the one end of first spring. The utility model discloses a rotary switch can make the lead screw rotate to two sets of movable sleeves that make the lead screw top drive the fly leaf and do the phase shift, can conveniently consolidate the bolt through this setting, first spring initial state is the compression form, makes the fly leaf continuously receive external force to the right, makes device stability stronger, and the second spring can play the shock attenuation effect simultaneously, avoids leading to the bolt to drop owing to the vibrations that receive the motor, hoisting device's stability.
Description
Technical Field
The utility model relates to a gear pump technical field specifically is high pressure cast iron gear pump.
Background
The gear pump makes through two sets of gear engagement back, and the working volume that forms changes and removes the rotary pump that carries liquid or make it pressure boost, and wherein high-pressure cast iron gear pump has that operating pressure is high, and is firm reliable, and the running life is long, characteristics such as efficient adaptation complex work environment, and the wide application is in the removal machinery hydraulic power system in the complex environment, and present high-pressure cast iron gear pump satisfies people's demand basically, but still has some problems.
Present high pressure cast iron gear pump generally drives the inside pivot of the pump body through the motor and rotates to make driving gear wherein rotate, make the pump body can normally work, nevertheless the motor generally is fixed in inserting the nut on the front end housing with the bolt, but long-time the back of using, because the motor work leads to the device vibrations, makes the bolt cause the emergence of the phenomenon of droing, has influenced the normal use of device, has reduced the stability of device.
And the inside driven gear that generally embeds of present high pressure cast iron gear pump, current high pressure cast iron gear pump generally is through bearing connection on the pump body inner wall, but inconvenient the changing after the driven gear appears damaging has reduced the maintenance efficiency of device, consequently the high pressure cast iron gear pump that needs urgently to solve above-mentioned problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a high pressure cast iron gear pump, with the traditional high pressure cast iron gear pump that proposes in solving above-mentioned background art, generally through the pivot rotation that the motor drove the pump body inside, thereby make driving gear wherein rotate, make the pump body can normally work, however the motor generally is through inserting the bolt hole on the front end housing with the bolt, fix, but long-time the back of using, because motor work leads to the device vibrations, make the bolt cause the emergence of the phenomenon of droing, the normal use of device has been influenced, the problem of the stability of device has been reduced.
In order to achieve the above object, the utility model provides a following technical scheme: the high-pressure cast iron gear pump comprises a pump body, a front end cover, a bolt and a driven gear, wherein the left end of the pump body is fixedly provided with the front end cover, the bolt is embedded in the front end cover, the rear end of the front end cover is provided with a switch, the front end of the switch is fixedly connected with a first connecting rod, the front end of the first connecting rod is welded with a lead screw, the outer wall of the lead screw is sleeved with a movable sleeve, the top end of the movable sleeve is fixedly connected with a movable plate, the rear end of the movable plate is connected with one end of a first spring, the other end of the first spring is connected with a baffle, the rear end of the baffle is fixedly connected onto the inner wall of the front end cover, the inner wall of the right end of the pump body is connected with a rotating block through a bearing, the driven gear is, the outer wall of the second connecting rod is wound with a second spring, one end of the second spring is connected with the bottom end of a clamping block, the other end of the second spring is connected with the inner wall of the bottom end of the driven gear, the bottom of the right end of the clamping block is embedded in a clamping groove, and the clamping groove is formed in the bottom end of the rotating block.
Preferably, the inner wall of the movable sleeve is provided with threads matched with the outer wall of the screw rod, and the threads of the inner walls of the two groups of movable sleeves on the screw rod are opposite.
Preferably, the movable plate is arc-shaped, and the radian of the movable plate is matched with that of the outer wall of the bolt.
Preferably, the fixture block is L-shaped, and the maximum moving length of the button is greater than the length of the fixture groove.
Preferably, the bottom of the right end of the clamping block and the clamping groove are rectangular in shape, and the width of the bottom of the right end of the clamping block is smaller than that of the clamping groove.
Preferably, the maximum extension length of the second spring is equal to the length from the button to the outer wall of the bottom end of the driven gear.
Compared with the prior art, the beneficial effects of the utility model are that:
1. the high-pressure cast iron gear pump is provided with a switch, a first connecting rod, a screw rod, movable sleeves, a baffle, a movable plate and a first spring, wherein the screw rod can be rotated by rotating the switch, so that the movable sleeves above the screw rod drive the movable plates to move oppositely;
2. this high pressure cast iron gear pump is provided with driven gear, button, second connecting rod, second spring, fixture block, draw-in groove and turning block, when needs dismantle maintenance driven gear, through pressing down the button, makes the fixture block break away from the draw-in groove, can take out whole driven gear this moment, and the maintenance is dismantled to driven gear to the convenience, has not influenced the normal use of device simultaneously, has improved the maintenance efficiency of device.
Drawings
Fig. 1 is a schematic front view of the present invention;
fig. 2 is a schematic side view of the cross-sectional structure of the present invention;
fig. 3 is a schematic front view of the cross-sectional structure of the present invention;
fig. 4 is an enlarged schematic structural diagram of a in fig. 3 according to the present invention.
In the figure: 1. a pump body; 2. a front end cover; 3. a bolt; 4. a switch; 5. a first connecting rod; 6. a screw rod; 7. a movable sleeve; 8. a baffle plate; 9. a movable plate; 10. a first spring; 11. a driven gear; 12. a button; 13. a second connecting rod; 14. a second spring; 15. a clamping block; 16. a card slot; 17. and (6) rotating the block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides an embodiment: high-pressure cast iron gear pump, including pump body 1, front end housing 2, bolt 3 and driven gear 11, high-pressure cast iron gear pump theory of operation is roughly: the two gears, the pump body 1 and the front and rear end covers form two closed spaces, when the gears rotate, the volume of the space on the gear disengagement side is increased from small to large, vacuum is formed, liquid is sucked in, and the volume of the space on the gear engagement side is decreased from large to small, so that the liquid is squeezed into the pipeline.
A front end cover 2 is fixedly installed at the left end of a pump body 1, a bolt 3 is embedded in the front end cover 2, a switch 4 is arranged at the rear end of the front end cover 2, a first connecting rod 5 is fixedly connected to the front end of the switch 4, a lead screw 6 is welded at the front end of the first connecting rod 5, a movable sleeve 7 is sleeved on the outer wall of the lead screw 6, a movable plate 9 is fixedly connected to the top end of the movable sleeve 7, the movable plate 9 is arc-shaped, the radian of the movable plate 9 is matched with that of the outer wall of the bolt 3, the movable plate 9 is guaranteed not to be limited in the moving process, the movable plate 9 can gradually wrap the outer wall of the bolt 3 after the switch 4 is rotated, so that the clamping effect is achieved, one end of a first spring 10 is connected to the rear end of the movable plate 9, a baffle 8 is connected to the other end, and the screw thread of the inner wall of two groups of movable sleeves 7 on the screw rod 6 is reversed, through setting the reversed screw thread on two groups of movable sleeves 7, after the screw rod 6 rotates in the forward direction, the screw thread of the inner wall of the left end movable sleeve 7 is matched with the screw thread of the outer wall of the screw rod 6, so that the left end movable sleeve 7 moves rightwards, and in the same way, the right end movable sleeve 7 moves leftwards, so that the two groups of movable sleeves 7 move oppositely under the rotation of the screw rod 6, thereby gradually moving the two groups of movable plates 9 in opposite directions, clamping the bolt 3, thereby playing an efficient reinforcing role, vibrating the front end cover 2 after the motor works, and at the moment, the first spring 10 can play a role in shock absorption, thereby improving the stability of the device.
A rotating block 17 is connected to the inner wall of the right end of the pump body 1 through a bearing, a driven gear 11 is embedded in the rotating block 17, a button 12 is arranged at the bottom of the right end of the driven gear 11, a second connecting rod 13 is fixedly connected to the top end of the button 12, a clamping block 15 is welded to the top end of the second connecting rod 13, a second spring 14 is wound on the outer wall of the second connecting rod 13, the bottom end of the clamping block 15 is connected to one end of the second spring 14, the clamping block 15 is L-shaped, the maximum moving length of the button 12 is larger than the length of the clamping groove 16, the clamping block 15 can be completely separated from the inside of the clamping groove 16 when the button 12 is pressed down, the driven gear 11 can be conveniently replaced through the arrangement, the maintenance efficiency of the device is improved, the inner wall of the bottom end of the driven gear 11 is connected to the other end of the second spring 14, the maximum stretching length, second spring 14 can not receive the damage, has guaranteed second spring 14's life, and 15 right-hand members of fixture block bottoms are embedded in draw-in groove 16, and draw-in groove 16 is seted up in the inside bottom of turning block 17, and 15 right-hand members of fixture block bottoms and the same rectangle of draw-in groove 16 shape, and 15 right-hand members of fixture block bottoms width is less than the draw-in groove 16 width, makes inside fixture block 15 can imbed draw-in groove 16, can freely remove, can not receive spacingly when using, guarantees that the device can normally work.
The working principle is as follows: when the device is used, the bolt 3 is inserted into the bolt hole and rotates, the motor can be fixed in advance, then the switch 4 is rotated to drive the first connecting rod 5 and the screw rod 6 to rotate, at the moment, the two groups of movable sleeves 7 move oppositely to enable the two groups of movable plates 9 to move oppositely, and meanwhile, the first spring 10 is always in a compressed state, so that the movable plates 9 always bear the force of moving towards the middle, the bolt 3 can be well reinforced through the arrangement, and the stability of the device can be improved;
when needs are with driven gear 11 maintenance, press two sets of buttons 12 simultaneously, second connecting rod 13 is to 11 inside removals of driven gear this moment, the tensile elastic potential energy that turns into pressure of second spring 14, 15 rebound of fixture block this moment make fixture block 15 break away from inside draw-in groove 16, driven gear 11 no longer receives spacingly this moment, can be with driven gear 11 pulling left, take out driven gear 11 and change, can conveniently change driven gear 11 through this setting, and convenient to use.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (6)
1. High pressure cast iron gear pump, including the pump body (1), front end housing (2), bolt (3) and driven gear (11), its characterized in that: the pump comprises a pump body (1), a front end cover (2) is fixedly installed at the left end of the pump body (1), a bolt (3) is embedded in the front end cover (2), a switch (4) is arranged at the rear end of the front end cover (2), a first connecting rod (5) is fixedly connected to the front end of the switch (4), a lead screw (6) is welded at the front end of the first connecting rod (5), a movable sleeve (7) is sleeved on the outer wall of the lead screw (6), a movable plate (9) is fixedly connected to the top end of the movable sleeve (7), one end of a first spring (10) is connected to the rear end of the movable plate (9), a baffle (8) is connected to the other end of the first spring (10), the rear end of the baffle (8) is fixedly connected to the inner wall of the front end cover (2), a rotating block (17) is connected to a bearing on the inner wall, driven gear (11) right-hand member bottom is provided with button (12), button (12) top fixedly connected with second connecting rod (13), second connecting rod (13) top welding has fixture block (15), the winding has second spring (14) on second connecting rod (13) outer wall, the one end of second spring (14) is connected with fixture block (15) bottom, the other end of second spring (14) is connected with on driven gear (11) bottom inner wall, fixture block (15) right-hand member bottom is embedded in draw-in groove (16), draw-in groove (16) are seted up in the inside bottom of turning block (17).
2. The high pressure cast iron gear pump according to claim 1, characterized in that: the inner wall of the movable sleeve (7) is provided with threads matched with the outer wall of the screw rod (6), and the threads on the inner walls of the two groups of movable sleeves (7) on the screw rod (6) are opposite.
3. The high pressure cast iron gear pump according to claim 1, characterized in that: the movable plate (9) is arc-shaped, and the radian of the movable plate (9) is matched with that of the outer wall of the bolt (3).
4. The high pressure cast iron gear pump according to claim 1, characterized in that: the fixture block (15) is L-shaped, and the maximum moving length of the button (12) is larger than that of the fixture groove (16).
5. The high pressure cast iron gear pump according to claim 1, characterized in that: the bottom of the right end of the clamping block (15) is rectangular as the clamping groove (16), and the width of the bottom of the right end of the clamping block (15) is smaller than that of the clamping groove (16).
6. The high pressure cast iron gear pump according to claim 1, characterized in that: the maximum stretching length of the second spring (14) is equal to the length from the button (12) to the outer wall of the bottom end of the driven gear (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846034.7U CN211422889U (en) | 2019-10-30 | 2019-10-30 | High-pressure cast iron gear pump |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921846034.7U CN211422889U (en) | 2019-10-30 | 2019-10-30 | High-pressure cast iron gear pump |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211422889U true CN211422889U (en) | 2020-09-04 |
Family
ID=72284657
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921846034.7U Expired - Fee Related CN211422889U (en) | 2019-10-30 | 2019-10-30 | High-pressure cast iron gear pump |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211422889U (en) |
-
2019
- 2019-10-30 CN CN201921846034.7U patent/CN211422889U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200904 |