CN216044365U

CN216044365U - Transmission structure of guide sleeve of plunger pump

Info

Publication number: CN216044365U
Application number: CN202121544478.2U
Authority: CN
Inventors: 曹博; 陈磊; 熊龙江
Original assignee: Wuhan Juweitian Digital Machinery Manufacturing Co ltd
Current assignee: Wuhan Juweitian Digital Machinery Manufacturing Co ltd
Priority date: 2021-07-07
Filing date: 2021-07-07
Publication date: 2022-03-15
Anticipated expiration: 2031-07-07

Abstract

The utility model relates to a transmission structure of a guide sleeve of a plunger pump, which comprises a guide sleeve component, wherein a plunger is connected in the guide sleeve component in a sliding manner, a connecting rod is hinged to the right side of the plunger, a transmission component is hinged to one end, far away from the plunger, of the connecting rod, and a flow guide component is communicated with the left side of the guide sleeve component; the guide sleeve assembly comprises a first guide sleeve and a second guide sleeve which are attached to each other, and positioning blocks are fixedly connected to the upper end and the lower end of the left side of the second guide sleeve. This transmission structure of uide bushing of plunger pump through setting up the uide bushing subassembly, makes its split type setting, and the separation is dismantled to it to the convenience, is favorable to maintaining uide bushing subassembly inside and plunger, improves both life, and is easy and simple to handle, convenient to use, and through being provided with the water conservancy diversion subassembly in uide bushing subassembly left side, can act as the check valve effect, when the plunger is when the repetitive movement, the water conservancy diversion subassembly can inhale oil and press the oil operation, and the cost is lower, and it is convenient to use.

Description

Transmission structure of guide sleeve of plunger pump

Technical Field

The utility model relates to the technical field of plunger pumps, in particular to a transmission structure of a guide sleeve of a plunger pump.

Background

The plunger pump is an important device of a hydraulic system, changes the volume of a sealed working cavity to absorb and press oil by means of reciprocating motion of a plunger in a cylinder body, and has the advantages of high rated pressure, compact structure, high efficiency, convenience in flow regulation and the like.

Plunger and uide bushing are its important component part in the plunger pump, and the transmission structure of the uide bushing of current plunger pump on the market has the shortcoming of being not convenient for maintain at present, and in the use, the plunger slides repeatedly on the uide bushing inner wall, uses for a long time, has certain wearing and tearing, consequently, need change the maintenance to uide bushing and plunger, and traditional uide bushing formula as an organic whole generally, dismantles inconveniently, dismantles inefficiency, is not convenient for use. Patent for application number CN201821773327.2 discloses a horizontal plunger pump, and it is through setting up the guide key in the keyway, sets up the uide bushing on the nut to set up the guide keyway that can slide in the guide keyway in the uide bushing, make the friction of nut and material chamber wall change into the friction between nut, guide key, the uide bushing through the uide bushing that sets up, but the uide bushing dismantles inconveniently in this scheme, the convenient dismouting of the plunger pump of not being convenient for.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides a transmission structure of a guide sleeve of a plunger pump, which has the advantages of convenience in maintenance and the like and solves the problem that the transmission structure of the guide sleeve of the existing plunger pump is inconvenient to maintain.

In order to achieve the purpose, the utility model provides the following technical scheme: a transmission structure of a guide sleeve of a plunger pump comprises a guide sleeve assembly, wherein a plunger is connected inside the guide sleeve assembly in a sliding manner, a connecting rod is hinged to the right side of the plunger, a transmission assembly is hinged to one end, away from the plunger, of the connecting rod, and the left side of the guide sleeve assembly is communicated with a flow guide assembly;

the uide bushing subassembly is including the first uide bushing and the second uide bushing of laminating each other, the equal fixedly connected with locating piece in both ends about the second uide bushing is left, the right side of first uide bushing surface articulates there are four double-screw bolts, the solid fixed ring of right side fixedly connected with of second uide bushing surface, the surface threaded connection of double-screw bolt has stop nut.

Furthermore, four clamping grooves are formed in the fixing ring, the stud is located inside the clamping grooves, and the limiting nut is located on the right side of the fixing ring.

Furthermore, the one end that the draw-in groove is close to solid fixed ring surface is in on the radius of rotation of double-screw bolt, four double-screw bolt and draw-in groove all are symmetrical equidistance and distribute.

Furthermore, the upper end and the lower end on the right side of the first guide sleeve are both provided with a positioning groove, and the positioning block is positioned inside the positioning groove.

Furthermore, the transmission assembly comprises an eccentric wheel hinged with one end, far away from the plunger, of the connecting rod, and a driving rod is fixedly connected to the center of the eccentric wheel.

Further, the flow guide assembly comprises a three-way pipe communicated with the left side of the first guide sleeve, sleeves are communicated with the upper end and the lower end of the three-way pipe, springs are fixedly connected to the tops of inner cavities of the sleeves, steel balls are fixedly connected to the bottoms of the springs, and a guide pipe is communicated with one end, away from the three-way pipe, of each sleeve.

Furthermore, the bottom of the inner cavity of the sleeve is in a conical shape with the diameter gradually reduced downwards, the diameter of the upper part of the conical shape is larger than that of the steel ball, and the diameter of the lower part of the conical shape is smaller than that of the steel ball.

Further, the diameter of the steel ball is larger than that of the three-way pipe, and the diameter of the steel ball is smaller than the inner diameter of the sleeve.

Compared with the prior art, the technical scheme of the application has the following beneficial effects:

1. this transmission structure of uide bushing of plunger pump through setting up the uide bushing subassembly, makes its split type setting, and the separation is dismantled to it to the convenience, is favorable to maintaining inside and the plunger of uide bushing subassembly, improves both life, and is easy and simple to handle, convenient to use.

2. This transmission structure of uide bushing of plunger pump through be provided with the water conservancy diversion subassembly in uide bushing subassembly left side, can act as the check valve effect, and when the plunger when the repetitive motion, the water conservancy diversion subassembly can carry out oil absorption and press the oil operation, and the cost is lower, and it is convenient to use.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of a guide sleeve assembly of the present invention;

FIG. 3 is a schematic side view of the connection between the fixing ring and the screw according to the present invention;

FIG. 4 is a schematic view of the structure of the flow guide assembly of the present invention;

FIG. 5 is a schematic top view of the linkage and transmission assembly of the present invention.

In the figure: the guide sleeve assembly comprises a guide sleeve assembly 1, a first guide sleeve 101, a second guide sleeve 102, a positioning block 103, a stud 104, a fixing ring 105, a limit nut 106, a plunger 2, a connecting rod 3, a transmission assembly 4, a diversion assembly 5, a tee pipe 501, a sleeve 502, a spring 503, a steel ball 504 and a guide pipe 505.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the transmission structure of the guide sleeve of the plunger pump in the embodiment includes a guide sleeve assembly 1, a plunger 2 is slidably connected inside the guide sleeve assembly 1, the plunger 2 slides in the guide sleeve assembly 1 to absorb and press oil, a connecting rod 3 is hinged to the right side of the plunger 2, a transmission assembly 4 is hinged to one end of the connecting rod 3 away from the plunger 2, a flow guide assembly 5 is communicated to the left side of the guide sleeve assembly 1, and the flow guide assembly 5 is arranged to facilitate oil absorption and pressure oil.

Guide sleeve subassembly 1 is including first guide sleeve 101 and the second guide sleeve 102 of laminating each other, the equal fixedly connected with locating piece 103 in both ends about the second guide sleeve 102 left, the constant head tank has all been seted up at the upper and lower both ends on first guide sleeve 101 right side, move to the constant head tank through locating piece 103, fix a position when making things convenient for first guide sleeve 101 and second guide sleeve 102 butt joint installation, the right side of first guide sleeve 101 surface articulates there is four studs 104 that are symmetrical equidistance and distribute, the solid fixed ring 105 of right side fixedly connected with of second guide sleeve 102 surface, the surface threaded connection of stud 104 has the stop nut 106 that is located solid fixed ring 105 right side.

Four clamping grooves are formed in the fixing ring 105, the studs 104 are located in the clamping grooves, one ends of the clamping grooves, close to the outer surface of the fixing ring 105, are located on the rotating radius of the studs 104 and move into the clamping grooves through the studs 104, and after the limiting nuts 106 tightly press the fixing ring 105, the fixing ring 105 can block the positions of the limiting nuts 106 and limit the positions of the studs 104.

In the guide sleeve assembly 1 of this embodiment, the first guide sleeve 101 and the second guide sleeve 102 form the guide sleeve of the plunger pump through a split arrangement, and the first guide sleeve 101 and the second guide sleeve 102 are disassembled and assembled under the matching of the stud 104, the fixing ring 105, the clamping groove and the limit nut 106.

Referring to fig. 1, 4 and 5, in order to improve convenience in use, the flow guiding assembly 5 in this embodiment includes a three-way pipe 501 communicated with the left side of the first guiding sleeve 101, the upper and lower ends of the three-way pipe 501 are both communicated with a sleeve 502, the top of the inner cavity of the sleeve 502 is fixedly connected with a spring 503, the bottom of the spring 503 is fixedly connected with a steel ball 504, the diameter of the steel ball 504 is larger than the inner diameters of the three-way pipe 501 and a conduit 505, and one end of the sleeve 502 away from the three-way pipe 501 is communicated with the conduit 505.

In addition, the transmission assembly 4 includes an eccentric wheel hinged to one end of the connecting rod 3 far away from the plunger 2, a driving rod is fixedly connected to the center of the eccentric wheel and is in transmission connection with an output shaft of an external motor, and the external motor drives the eccentric wheel to rotate, so that the eccentric wheel drives the plunger 2 to repeatedly move in the first guide sleeve 101 and the second guide sleeve 102 through the matching of the connecting rod 3.

It should be noted that the bottom of the inner cavity of the sleeve 502 is tapered with a diameter decreasing downward, the diameter above the taper is larger than the diameter of the steel ball 504, the diameter below the taper is smaller than the diameter of the steel ball 504, and the diameter of the steel ball 504 is smaller than the inner diameter of the sleeve 502, when the steel ball 504 is no longer in the taper in the sleeve 502, the liquid can flow through the gap between the steel ball 504 and the inner wall of the sleeve 502, and the taper is matched with the steel ball 504 to block flow.

The guide assembly 5 in this embodiment is powered by the transmission assembly 4, so that the plunger 2 moves, and provides pressure and suction to drive the steel ball 504 to move, and the steel ball 504 serves as a one-way valve, so that the hydraulic oil and the oil absorption to the liquid are realized, the structure is simple, the convenience in use is improved, and the cost is reduced.

The working principle of the above embodiment is as follows:

(1) the limit nut 106 is rotated to be separated from the stud 104, then the stud 104 is rotated to be separated from a clamping groove in the fixing ring 105, the first guide sleeve 101 and the second guide sleeve 102 are not limited in position any more, the first guide sleeve 101 and the second guide sleeve 102 can be separated, the interior of the first guide sleeve and the plunger 2 can be maintained, otherwise, the positioning block 103 is used for positioning the positioning groove, the first guide sleeve 101 is in butt joint with the second guide sleeve 102, then the stud 104 is rotated to be in a horizontal state to be positioned in the clamping groove, the limit nut 106 is twisted to press the fixing ring 105 tightly, and one end, close to the outer surface of the fixing ring 105, of the clamping groove is positioned on the rotating radius of the stud 104, so that after the fixing ring 105 is pressed by the limit nut 106, the phenomenon that the stud 104 rotates again can be avoided, and butt joint installation of the first guide sleeve 101 and the second guide sleeve 102 is completed.

(2) Drive the eccentric wheel rotation through outside motor, and then drive plunger 2 through connecting rod 3 and move repeatedly in uide bushing subassembly 1, when plunger 2 moves to the left side, plunger 2 provides the extrusion force to the left side, it moves downwards to drive the steel ball 504 that is located bottom sleeve 502, and seal the interior bottom of bottom sleeve 502, steel ball 504 rebound in the top sleeve 502 simultaneously, no longer block the circulation of liquid, realize pressing oil to liquid, when plunger 2 moves to the right side that resets, steel ball 504 rebound in the top sleeve 502, and seal the interior bottom of top sleeve 502, steel ball 504 rebound in the bottom sleeve 502 simultaneously, can realize the oil absorption to liquid.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments 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

1. The utility model provides a transmission structure of uide bushing of plunger pump, includes uide bushing subassembly (1), its characterized in that: a plunger (2) is connected to the inside of the guide sleeve component (1) in a sliding manner, a connecting rod (3) is hinged to the right side of the plunger (2), a transmission component (4) is hinged to one end, far away from the plunger (2), of the connecting rod (3), and a flow guide component (5) is communicated with the left side of the guide sleeve component (1);

the utility model discloses a construction method for the double-screw bolt guide sleeve, including uide bushing subassembly (1) first uide bushing (101) and second uide bushing (102) of laminating each other, the equal fixedly connected with locating piece (103) in both ends about second uide bushing (102) left, the right side of first uide bushing (101) surface articulates there are four double-screw bolts (104), the solid fixed ring (105) of right side fixedly connected with of second uide bushing (102) surface, the surface threaded connection of double-screw bolt (104) has stop nut (106).

2. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 1, wherein: four clamping grooves are formed in the fixing ring (105), the stud (104) is located in the clamping grooves, and the limiting nut (106) is located on the right side of the fixing ring (105).

3. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 2, wherein: one end of the clamping groove, which is close to the outer surface of the fixing ring (105), is located on the rotating radius of the stud (104), and the stud (104) and the clamping groove are distributed symmetrically and equidistantly.

4. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 1, wherein: the upper end and the lower end of the right side of the first guide sleeve (101) are both provided with positioning grooves, and the positioning blocks (103) are located inside the positioning grooves.

5. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 1, wherein: the transmission assembly (4) comprises an eccentric wheel hinged with one end, far away from the plunger (2), of the connecting rod (3), and a driving rod is fixedly connected to the center of the eccentric wheel.

6. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 1, wherein: the flow guide assembly (5) comprises a three-way pipe (501) communicated with the left side of the first guide sleeve (101), sleeves (502) are communicated with the upper end and the lower end of the three-way pipe (501), a spring (503) is fixedly connected to the top of an inner cavity of the sleeve (502), a steel ball (504) is fixedly connected to the bottom of the spring (503), and a guide pipe (505) is communicated with one end, far away from the three-way pipe (501), of the sleeve (502).

7. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 6, wherein: the bottom of the inner cavity of the sleeve (502) is in a conical shape with the diameter gradually reduced downwards, the diameter of the upper part of the conical shape is larger than that of the steel ball (504), and the diameter of the lower part of the conical shape is smaller than that of the steel ball (504).

8. The transmission structure of the guide sleeve of the plunger pump as set forth in claim 6, wherein: the diameter of the steel ball (504) is larger than that of the three-way pipe (501), and the diameter of the steel ball (504) is smaller than the inner diameter of the sleeve (502).