CN222721244U

CN222721244U - Plunger pump

Info

Publication number: CN222721244U
Application number: CN202421364158.2U
Authority: CN
Inventors: 方涛
Original assignee: Jiaxing Hongmin Machinery Co ltd
Current assignee: Jiaxing Hongmin Machinery Co ltd
Priority date: 2024-06-15
Filing date: 2024-06-15
Publication date: 2025-04-04
Anticipated expiration: 2034-06-15

Abstract

The utility model discloses a plunger pump which comprises a plunger pump body, a shell mounting connecting frame, a speed reducing motor and a motor junction box, wherein a shell support is mounted on the shell of the speed reducing motor, the motor junction box is fixedly arranged on one side of the speed reducing motor, two symmetrical wiring mounting holes are formed in one side of the motor junction box, a wiring limiting plate is arranged at the top of one side of the motor junction box, U-shaped connecting frames are arranged at two hole positions of the wiring limiting plate, stud sections are arranged at two ends of each U-shaped connecting frame, and the two stud sections respectively penetrate through corresponding hole positions and are provided with connecting nuts. According to the utility model, the wiring limiting plate is arranged at the top of one side of the motor junction box, the U-shaped connecting frames are arranged at the two hole positions of the wiring limiting plate, the stud sections are arranged at the two ends of the U-shaped connecting frames, and pass through the corresponding hole positions and are provided with the connecting nuts, so that the power supply wiring can be limited, the stability of the power supply wiring is improved, the loosening of the wiring is prevented, and poor contact is avoided.

Description

Plunger pump

Technical Field

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

Background

Plunger pumps are an important device of hydraulic systems. The plunger reciprocates in the cylinder body to change the volume of the sealed working cavity, so as to realize oil absorption and pressure oil. The utility model discloses a plunger pump, which solves the defect that the plunger pump is unstable and accurate when in use, and is characterized by comprising a driving motor, a pump body fixedly connected with the driving motor, a supporting seat fixedly connected with the driving motor along the length direction of the driving motor, a mounting part welded on a shell of the driving motor and extending at two sides of the driving motor, a through hole formed in the mounting part, a rubber pad for supporting embedded in the through hole, and a mounting hole concentric with the through hole for mounting.

The plunger pump disclosed by the above has the defects that when a power line is externally connected to a junction box of a motor, the power line cannot be well limited, and the loosening phenomenon of the line is easy to cause.

Disclosure of utility model

The present utility model is directed to a plunger pump, which solves the above-mentioned problems.

In order to achieve the above purpose, the plunger pump comprises a plunger pump body, a shell mounting connecting frame, a gear motor and a motor junction box, wherein one side of the shell mounting connecting frame is provided with a connecting cushion block, one end of the connecting cushion block is in threaded connection with the plunger pump body, the other side of the shell mounting connecting frame is provided with a shell support, the shell support is mounted with a shell of the gear motor, the motor junction box is fixedly arranged on one side of the gear motor, one side of the motor junction box is provided with two symmetrical wiring mounting holes, the top of one side of the motor junction box is provided with a wiring limiting plate, two hole positions of the wiring limiting plate are provided with U-shaped connecting frames, two ends of each U-shaped connecting frame are respectively provided with stud segments, and the two stud segments respectively penetrate through the corresponding hole positions and are provided with connecting nuts.

Preferably, an annular mounting sleeve is arranged at the center of the other side of the shell mounting connecting frame, and a silencing cotton ring is arranged on the outer ring of the annular mounting sleeve. The purpose of this arrangement is to provide better installation while reducing the noise of the rotation of the gear motor

Preferably, the oil inlet and outlet of the plunger pump body are provided with sealing flanges, and one ends of the two sealing flanges are provided with sealing sleeves. The inside of sealed plug bush is provided with the metal and filters the fender net, the thickness of metal filters the fender net and equals with the diameter of sealed plug bush. The purpose that sets up like this is for better connecting, improves the precision of connecting the leakproofness and connecting, possesses good filter effect, reduces impurity and enters into the plunger pump body.

Preferably, one end of the gear motor is provided with a sealing end cover, and one side of the sealing end cover is provided with a heat dissipation ventilation plate. The purpose of setting like this is better dispel the heat to gear motor, improves gear motor's heat dispersion for gear motor has good heat conductivity in the operation in-process.

Preferably, a soft rubber pad is arranged at the beam of the U-shaped connecting frame. The purpose of this arrangement is to reduce the impact of the U-connector stiffness on the wiring.

The utility model has the technical effects and advantages that:

(1) The plunger pump is characterized in that a wiring limit plate is arranged at the top of one side of a motor junction box, U-shaped connecting frames are arranged at two hole positions of the wiring limit plate, stud sections are arranged at two ends of each U-shaped connecting frame, the stud sections penetrate through corresponding hole positions and are provided with connecting nuts, power wiring can be limited, stability of the power wiring is improved, loosening of the wiring is prevented, poor contact is avoided, a sealing flange is arranged at an oil inlet and outlet of a plunger pump body, one end of the sealing flange is provided with a sealing plug bush, a metal filtering baffle net is arranged inside the sealing plug bush, the thickness of the metal filtering baffle net is equal to the diameter of the sealing plug bush, and the metal filtering baffle net is arranged for better connection, improving connection tightness and connection accuracy, and has good filtering effect, and impurities are reduced from entering the plunger pump body.

Drawings

Fig. 1 is a schematic perspective view of the present utility model.

Fig. 2 is a schematic perspective view of a housing mounting connection frame according to the present utility model.

Fig. 3 is a schematic perspective view of a motor junction box according to the present utility model.

In the figure, 1, a plunger pump body; 2, a shell mounting connecting frame, 3, a gear motor, 4, a shell bracket, 5, a sealing plug bush, 6, a motor junction box, 7, a sealing flange, 8, a metal filtering baffle net, 9, a heat dissipation and ventilation plate, 10, a sealing end cover, 11, a wiring limiting plate, 12, a connecting nut, 13, a U-shaped connecting frame, 14, a soft rubber cushion, 15, a stud section, 16, a wiring mounting hole, 17, an annular mounting sleeve, 18, a noise reduction cotton ring, 19 and a connecting cushion block.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The present utility model provides a plunger pump as shown in fig. 1-3;

The embodiment of the plunger pump comprises a plunger pump body 1, a shell mounting connecting frame 2, a gear motor 3 and a motor junction box 6, wherein one side of the shell mounting connecting frame 2 is provided with a connecting cushion block 19, one end of the connecting cushion block 19 is in threaded connection with the plunger pump body 1, the other side of the shell mounting connecting frame 2 is provided with a shell support 4, the shell support 4 is mounted with the shell of the gear motor 3, the motor junction box 6 is fixedly arranged on one side of the gear motor 3, one side of the motor junction box 6 is provided with two symmetrical wiring mounting holes 16, the top of one side of the motor junction box 6 is provided with a wiring limiting plate 11, two hole positions of the wiring limiting plate 11 are provided with U-shaped connecting frames 13, and two ends of each U-shaped connecting frame 13 are provided with stud segments 15, and the two stud segments 15 respectively penetrate through corresponding hole positions and are provided with connecting nuts 12.

In this embodiment, for better installation while reducing the noise of rotation of the reduction motor 3, an annular installation sleeve 17 is provided at the center of the other side of the housing installation connection frame 2, and an outer ring of the annular installation sleeve 17 is provided with a noise-deadening cotton ring 18.

In this embodiment, in order to better connect, improve the connection tightness and the connection precision, set up metal filtration screen 8 simultaneously, possess good filter effect, reduce impurity and enter into plunger pump body 1, the business turn over hydraulic fluid port department of plunger pump body 1 all is provided with sealing flange 7, and the one end of two sealing flanges 7 all is provided with sealed plug bush 5, and the inside of sealed plug bush 5 is provided with metal filtration screen 8, and metal filtration screen 8's thickness equals with sealed plug bush 5 diameter.

In this embodiment, in order to better radiate heat of the gear motor 3, the heat radiation performance of the gear motor 3 is improved, so that the gear motor 3 has good heat conductivity in the operation process, one end of the gear motor 3 is provided with a sealing end cover 10, and one side of the sealing end cover 10 is provided with a heat radiation ventilation plate 9.

In this embodiment, in order to reduce the influence of the rigidity of the U-shaped link 13 on the wiring, and avoid breakage of the wiring, a soft rubber pad 14 is provided at the cross member of the U-shaped link 13.

The plunger pump comprises a plunger pump body 1, a shell mounting connecting frame 2, a gear motor 3, a motor junction box 6 and other structures, wherein the plunger pump body 1 is a straight-shaft inclined disc type in the prior art, a connecting cushion 19 is arranged on one side of the shell mounting connecting frame 2 and is in threaded connection with the plunger pump body 1, a shell support 4 is arranged on the other side of the shell mounting connecting frame 2, the shell support 4 is mounted with the shell of the gear motor 3, the motor junction box 6 is fixedly arranged on one side of the gear motor 3, two symmetrical wiring mounting holes 16 are formed in one side of the motor junction box 6, a wiring limiting plate 11 is arranged at the top of one side of the motor junction box 6, U-shaped connecting frames 13 are arranged at two hole positions of the wiring limiting plate 11, stud sections 15 are arranged at two ends of the U-shaped connecting frame 13, and the two stud sections 15 respectively penetrate through corresponding hole positions and are provided with connecting nuts 12, so that the stability of power wiring can be limited, the wiring is improved, the wiring is prevented from loosening, and poor contact is avoided.

Further, as shown in fig. 1 and 2, sealing flanges 7 are arranged at oil inlet and outlet of the plunger pump body 1, sealing sleeves 5 are arranged at one ends of the two sealing flanges 7, metal filtering baffle nets 8 are arranged inside the sealing sleeves 5, the thickness of each metal filtering baffle net 8 is equal to the diameter of each sealing sleeve 5, connection tightness and connection accuracy are improved, meanwhile, the metal filtering baffle nets 8 are arranged, good filtering effect is achieved, and impurities are reduced from entering the plunger pump body 1.

What is not described in detail in this specification is prior art known to those skilled in the art. The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Claims

1. The utility model provides a plunger pump, includes plunger pump body (1), casing installation link (2), gear motor (3) and motor terminal box (6), its characterized in that, one side of casing installation link (2) is provided with connection cushion (19), the one end and the plunger pump body (1) threaded connection of connection cushion (19), the opposite side of casing installation link (2) is provided with casing support (4), the casing support (4) is installed with the casing of gear motor (3), motor terminal box (6) is fixed to be set up in one side of gear motor (3), one side of motor terminal box (6) is provided with wiring mounting hole (16) of two symmetries, the top of motor terminal box (6) one side is provided with wiring limiting plate (11), two hole sites departments of wiring limiting plate (11) are provided with U nature link (13), the both ends of U nature link (13) all are provided with double-screw bolt section (15), two double-screw bolt section (15) are passed respectively and are provided with coupling nut (12) in the hole site that corresponds.

2. A plunger pump according to claim 1, characterized in that an annular mounting sleeve (17) is arranged in the center of the other side of the housing mounting connection frame (2), and an outer ring of the annular mounting sleeve (17) is provided with a noise-reducing cotton ring (18).

3. The plunger pump according to claim 1, wherein sealing flanges (7) are arranged at oil inlet and outlet positions of the plunger pump body (1), and sealing inserts (5) are arranged at one ends of the two sealing flanges (7).

4. A plunger pump according to claim 3, characterized in that the inside of the sealing insert (5) is provided with a metal filtering screen (8), the thickness of the metal filtering screen (8) being equal to the diameter of the sealing insert (5).

5. A plunger pump according to claim 1, characterized in that one end of the gear motor (3) is provided with a sealing end cap (10), and one side of the sealing end cap (10) is provided with a heat-dissipating and air-permeable plate (9).

6. A plunger pump according to claim 1, characterized in that a soft rubber pad (14) is provided at the cross beam of the U-shaped connecting frame (13).