CN210461037U

CN210461037U - Ultra-precise hydraulic variable plunger pump shell

Info

Publication number: CN210461037U
Application number: CN201921555733.6U
Authority: CN
Inventors: 阮思群; 田潇雅
Original assignee: Wenling City Public Precision Machinery Co ltd
Current assignee: Wenling City Public Precision Machinery Co ltd
Priority date: 2019-09-18
Filing date: 2019-09-18
Publication date: 2020-05-05
Anticipated expiration: 2029-09-18

Abstract

The utility model relates to a plunger pump technical field just discloses an ultra-precise hydraulic pressure variable plunger pump shell, including shock-absorbing support, spacing bolt, spacing seat, support column, threaded rod, gim peg, pump case base member, damping device, internal connection screw thread seat one and internal connection screw thread seat two, damping device is located shock-absorbing support's inboard, and damping device's top is connected with the bottom of support column, and the bottom inner wall of support column and the surface connection of gim peg, the inside at spacing seat is connected at the top of support column, and the inner wall of spacing seat and support column all is connected with the surface of spacing bolt, and the top of spacing seat is connected with the bottom of pump case base member. The utility model provides a current valve body too complicated on the dismouting, the operating personnel of being not convenient for replaces the maintenance to inside operation part, as long as the check valve of one side appears damaging, just so can not guarantee by the continuity of the outer liquid of discharge housing, leads to liquid to be detained when the problem that the interior liquid of shell too much easily caused the plunger pump to damage.

Description

Ultra-precise hydraulic variable plunger pump shell

Technical Field

The utility model relates to a plunger pump technical field specifically is an ultra-precision hydraulic pressure variable plunger pump shell.

Background

The plunger pump mainly comprises two check valves in opposite directions, negative pressure occurs in the cylinder when the plunger moves towards one direction during working, the check valve opens liquid to be sucked into the cylinder, when the plunger moves towards the other direction, the other check valve is opened, the sucked liquid is discharged out of the shell, the existing valve body is too complicated in disassembly and assembly, operators cannot replace and maintain internal operation parts conveniently, as long as the one check valve of one side is damaged, the continuity of the liquid outside the discharged shell cannot be guaranteed, and the liquid is retained in the shell and is too much liquid to cause damage to the plunger pump.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an ultra-precision hydraulic pressure variable plunger pump shell reaches the operating personnel of being convenient for and carries out the dismouting to the plunger pump shell, and the maintenance is replaced to the internal part of casing more convenient, guarantees by the continuity of the outer liquid of discharge casing to embody the precision of plunger pump shell superelevation, make the purpose that inside work part stability obtained the guarantee.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an ultra-precise hydraulic pressure variable plunger pump casing, includes shock-absorbing support, spacing bolt, spacing seat, support column, threaded rod, gim peg, pump case base member, damping device, internal connection screw thread seat one and internal connection screw thread seat two, damping device is located shock-absorbing support's inboard, and damping device's top is connected with the bottom of support column, and the bottom inner wall of support column and the surface connection of gim peg, the inside at spacing seat is connected at the top of support column, and the inner wall of spacing seat and support column all is connected with the surface of spacing bolt, and the top of spacing seat is connected with the bottom of pump case base member, and the outer wall of pump case base member is connected with the lateral wall of internal connection screw thread seat one and internal connection screw thread seat two respectively, and the inner wall of internal connection screw thread.

Preferably, the pump casing base body comprises an upper body casing and a lower body casing, the bottom of the upper body casing is connected with a projection, the top of the lower body casing is provided with a groove, and the inner wall of the groove is connected with the outer wall of the projection.

Preferably, two sides of the upper body shell are respectively connected with two opposite surfaces of the internally-connected threaded seats at two sides, and two sides of the lower body shell are respectively connected with two opposite surfaces of the internally-connected threaded seats at two sides.

Preferably, damping device includes damping spring, telescopic link, supporting seat, slider and fixing base, and damping spring connects at the surface of telescopic link, and the output pole of telescopic link is connected with the base of supporting seat, and the both sides of supporting seat are connected with the face that the slider is relative of both sides respectively, and the top of supporting seat is connected with the bottom of fixing base.

Preferably, the bottom of the supporting column is connected to the inside of the fixing seat, and one end of the fixing bolt far away from the supporting column is connected with the inner wall of the fixing seat.

Preferably, the inner wall of the damping support is provided with a sliding groove, and the inner wall of the sliding groove is connected with the outer surface of the sliding block.

The utility model provides an ultra-precise hydraulic pressure variable plunger pump shell. The method has the following beneficial effects:

(1) the utility model discloses a divide into upper part of the body shell and lower part of the body shell with the pump case base member, and the bottom fixedly connected with lug of upper part of the body shell, the top of lower part of the body shell is seted up flutedly, the inner wall of recess and the outer wall joint of lug, consequently, can accomplish upper part of the body shell and lower part of the body shell butt joint, after that through shifting over to the inside of internal thread seat one and internal thread seat two in proper order with the threaded rod, thereby pump case casing connection compactness has been ensured, also be convenient for carry out the dismouting to the plunger pump casing simultaneously, more convenient replaces the maintenance to the internal part of casing, guarantee by the continuity of the liquid outside the discharge casing, thereby embody the precision of plunger.

(2) The utility model discloses a plunger pump can produce vibrations in the course of the work, long-time vibrations can lead to the life of casing to shorten and can lead to the life shortening rather than the external device who is connected simultaneously, the bottom of pump case base member and the top welding of spacing seat, consequently, only need peg graft the inside at spacing seat and fixing base respectively with the both ends of support column, after that through spacing bolt and gim peg to the support column, spacing seat and fixing base carry out the deadlock, thereby the plunger pump is when carrying out the operation, the cooperation of damping spring and telescopic link, make the slider can drive the supporting seat and be reciprocating motion in the inside of spout, thereby play absorbing effect when operating the plunger pump.

Drawings

FIG. 1 is a perspective view of the pump casing base body of the present invention;

fig. 2 is a side view of the present invention;

figure 3 is the structural schematic diagram of the utility model discloses shock-absorbing support.

In the figure: 1 damping support, 2 limiting bolts, 3 limiting seats, 4 supporting columns, 5 threaded rods, 6 fixing bolts, 7 pump shell substrates, 8 damping devices, 9 internally-connected threaded seats I and 10 internally-connected threaded seats II, 701 upper body shells, 702 lower body shells, 801 damping springs, 802 telescopic rods, 803 supporting seats, 804 sliding grooves, 805 sliding blocks and 806 fixing seats.

Detailed Description

As shown in fig. 1-3, the utility model provides a technical solution: an ultra-precise hydraulic variable plunger pump shell comprises a damping support 1, a limit bolt 2, a limit seat 3, a support column 4 and a threaded rod 5, the gim peg 6, pump case base member 7, damping device 8, inscription screw thread seat 9 and inscription screw thread seat two 10, damping device 8 is located damping support 1's inboard, damping device 8's top and the bottom threaded connection of support column 4, the bottom inner wall of support column 4 and the surface threaded connection of gim peg 6, the inside at spacing seat 3 is pegged graft at the top of support column 4, spacing seat 3 and support column 4's inner wall all with spacing 2 outer surface threaded connection of tieing, spacing seat 3's top and the bottom fixed connection of pump case base member 7, the outer wall of pump case base member 7 respectively with inscription screw thread seat 9 and inscription screw thread seat two 10's lateral wall fixed connection, inscription screw thread seat 9 and inscription screw thread seat two 10's inner wall all with the surface threaded connection of threaded rod.

Further, the pump casing base 7 includes an upper casing 701 and a lower casing 702, a bump is fixedly connected to the bottom of the upper casing 701, a groove is formed in the top of the lower casing 702, and the inner wall of the groove is clamped with the outer wall of the bump.

Furthermore, two sides of the upper body shell 701 are fixedly connected with the surfaces of the two internal connection threaded seats 10 on the two sides respectively, and two sides of the lower body shell 702 are fixedly connected with the surfaces of the two internal connection threaded seats 9 on the two sides respectively.

Further, the damping device 8 includes a damping spring 801, an expansion link 802, a support seat 803, a slider 805 and a fixing seat 806, the damping spring 801 is sleeved on the outer surface of the expansion link 802, the output rod of the expansion link 802 is fixedly connected with the base of the support seat 803, two sides of the support seat 803 are respectively fixedly connected with the opposite surfaces of the slider 805 on the two sides, and the top of the support seat 803 is fixedly connected with the bottom of the fixing seat 806.

Further, the bottom of the supporting column 4 is inserted into the fixing seat 806, and the fixing bolt 6 is in threaded connection with the inner wall of the fixing seat 806 at the end far away from the supporting column 4.

Further, the inner wall of the shock absorption support 1 is provided with a sliding groove 804, and the inner wall of the sliding groove 804 is movably connected with the outer surface of the sliding block 805.

In use, by dividing the pump casing base 7 into the upper body casing 701 and the lower body casing 702, and the bottom of the upper body shell 701 is fixedly connected with a convex block, the top of the lower body shell 702 is provided with a groove, the inner wall of the groove is clamped with the outer wall of the convex block, therefore, the butt joint of the upper body shell 701 and the lower body shell 702 can be completed, then the threaded rod 5 is sequentially rotated into the inner parts of the inner threaded seat I9 and the inner threaded seat II 10, the assembly of the ultra-precise hydraulic variable plunger pump shell is completed, the bottom of the pump shell base body 7 is welded with the top of the limiting seat 3, therefore, only two ends of the supporting column 4 need to be respectively inserted into the limiting seat 3 and the fixing seat 806, then the support column 4, the limit seat 3 and the fixed seat 806 are locked by the limit bolt 2 and the fixed bolt 6, therefore, when the plunger pump is operated, the damping spring 801 and the telescopic rod 802 are matched, so that the sliding block 805 can drive the supporting seat 803 to reciprocate in the sliding groove 804.

To sum up, the utility model divides the pump case base 7 into the upper body casing 701 and the lower body casing 702, the bottom of the upper body casing 701 is fixedly connected with a convex block, the top of the lower body casing 702 is provided with a groove, the inner wall of the groove is connected with the outer wall of the convex block, therefore, the butt joint of the upper body casing 701 and the lower body casing 702 can be completed, then the threaded rod 5 is sequentially transferred into the internal connection screw thread seat I9 and the internal connection screw thread seat II 10, thereby ensuring the connection tightness of the pump case shell, simultaneously being convenient for assembling and disassembling the plunger pump shell, replacing and maintaining the internal parts of the shell more conveniently, ensuring the continuity of the liquid discharged out of the shell, thereby embodying the ultrahigh precision of the plunger pump shell, the utility model can generate vibration during the working process through the plunger pump, the long-time vibration can lead the service life of the shell to be shortened and simultaneously lead the service life of the external device connected with the plunger, the bottom of pump case base member 7 and the top welding of spacing seat 3, consequently only need to peg graft the both ends of support column 4 in the inside of spacing seat 3 and fixing base 806 respectively, after that through spacing bolt 2 and gim peg 6 to support column 4, spacing seat 3 and fixing base 806 lock and die, thereby the plunger pump is when carrying out the operation, damping spring 801 and telescopic link 802's cooperation, make slider 805 can drive supporting seat 803 and be reciprocating motion in the inside of spout 804, thereby play absorbing effect when the plunger pump operation.

Claims

1. The utility model provides an ultra-precise hydraulic pressure variable plunger pump casing, includes shock-absorbing support (1), spacing bolt (2), spacing seat (3), support column (4), threaded rod (5), gim peg (6), pump case base member (7), damping device (8), internal connection screw thread seat (9) and internal connection screw thread seat two (10), its characterized in that: damping device (8) are located the inboard of shock mount (1), the top and the bottom of support column (4) of damping device (8) are connected, the bottom inner wall of support column (4) is connected with the surface of gim peg (6), the inside at spacing seat (3) is connected at the top of support column (4), the inner wall of spacing seat (3) and support column (4) all is connected with the surface of gim peg (2), the top and the bottom of pump case base member (7) of spacing seat (3) are connected, the outer wall of pump case base member (7) is connected with the lateral wall of inscription screw thread seat one (9) and inscription screw thread seat two (10) respectively, the inner wall of inscription screw thread seat one (9) and inscription screw thread seat two (10) all is connected with the surface of threaded rod (5).

2. The ultra-precision hydraulic variable displacement plunger pump housing of claim 1, wherein: the pump shell base body (7) comprises an upper body shell (701) and a lower body shell (702), the bottom of the upper body shell (701) is connected with a lug, the top of the lower body shell (702) is provided with a groove, and the inner wall of the groove is connected with the outer wall of the lug.

3. The ultra-precision hydraulic variable displacement plunger pump housing of claim 2, wherein: two sides of the upper body shell (701) are respectively connected with the opposite surfaces of the internally-connected threaded seats II (10) on the two sides, and two sides of the lower body shell (702) are respectively connected with the opposite surfaces of the internally-connected threaded seats I (9) on the two sides.

4. The ultra-precision hydraulic variable displacement plunger pump housing of claim 1, wherein: damping device (8) include damping spring (801), telescopic link (802), supporting seat (803), slider (805) and fixing base (806), and damping spring (801) are connected at the surface of telescopic link (802), and the output pole of telescopic link (802) is connected with the base of supporting seat (803), and the both sides of supporting seat (803) are connected with the face that slider (805) of both sides are relative respectively, and the top of supporting seat (803) is connected with the bottom of fixing base (806).

5. The ultra-precision hydraulic variable displacement plunger pump housing of claim 4, wherein: the bottom of the supporting column (4) is connected to the inside of the fixing seat (806), and one end, far away from the supporting column (4), of the fixing bolt (6) is connected with the inner wall of the fixing seat (806).

6. The ultra-precision hydraulic variable displacement plunger pump housing of claim 4, wherein: the inner wall of the shock absorption support (1) is provided with a sliding groove (804), and the inner wall of the sliding groove (804) is connected with the outer surface of the sliding block (805).