CN220726499U - High-precision high-pressure liquid injection horizontal manual pump - Google Patents

Abstract

The utility model relates to a high-precision high-pressure liquid injection horizontal manual pump which comprises a cylinder barrel, a support seat, a pump seat and a piston, wherein the support seat and the pump seat are respectively supported at two ends of the cylinder barrel; the magnetic displacement sensor is arranged between the screw rod assembly and the pump seat. According to the high-precision high-pressure liquid injection horizontal manual pump, quick operation is realized through the screw rod assembly, the discharge capacity is high, time is saved, and high-precision liquid injection can be realized.

Description

High-precision high-pressure liquid injection horizontal manual pump

Technical Field

The utility model relates to the technical field of manual pumps, in particular to a high-precision high-pressure liquid injection horizontal manual pump.

Background

The manual pump works on the principle that liquid is compressed and high pressure is generated by the up-and-down motion of a piston by using the force of manpower or machinery. When the piston of the manual pump moves downwards, the liquid in the pump cavity is compressed, the pressure is gradually increased, and when the pressure reaches a certain value, the liquid flows out through the outlet pipeline to drive an executing element in the hydraulic system; when the piston of the manual pump moves upwards, liquid in the pump cavity is sucked in to form a low-pressure state, and the manual pump can compress again.

The manual pump in the prior art is mostly a vertical liquid injection manual pump, and the manual pump operation is generally realized through lifting or pressing down the handle, so that the single-stroke displacement is small, and the time and the labor are wasted.

Disclosure of Invention

In order to solve the problems, the utility model provides the high-precision high-pressure liquid injection horizontal manual pump which can realize quick operation through the screw rod assembly, has high discharge capacity, saves time and can realize high-precision liquid injection.

The technical scheme adopted by the utility model is as follows: a high-precision high-pressure liquid injection horizontal manual pump comprises a cylinder barrel, a support seat and a pump seat which are respectively supported at two ends of the cylinder barrel, and a piston which is slidably arranged in the cylinder barrel; the magnetic displacement sensor is arranged between the screw rod assembly and the pump seat.

As a further limitation to the above technical solution, the screw assembly includes a trapezoidal screw nut installed in the support, a shoulder formed on an outer circumferential surface of the trapezoidal screw nut, a trapezoidal screw screwed on the trapezoidal screw nut, one end of which is connected with the piston, and the other end of which extends out of the support, a thrust bearing and a tapered roller bearing which are respectively arranged on two sides of the shoulder and are sleeved on the trapezoidal screw nut, and an end cover is installed on the outer side of the thrust bearing.

As a further limitation to the above technical solution, a hexagonal operation section is formed at one end of the trapezoidal screw extending outwards from the support.

As a further limitation to the above technical solution, the magnetic displacement sensor includes an electronic bin installed in the pump seat, and a stainless steel measuring rod with one end connected with the electronic bin and the other end extending into the trapezoidal screw rod through the piston; the stainless steel measuring rod is sleeved with the magnetic ring, and the baffle is arranged on the outer side of the electronic bin.

As a further limitation to the above technical solution, a digital display screen in electrical signal communication with the magneto-displacement sensor is mounted on the pump seat.

As a further limitation to the above technical solution, a pedal is connected to the support via a hinge.

As a further limitation of the above technical solution, the pedals are two of the pedals arranged on both sides of the support.

According to the high-precision high-pressure liquid injection horizontal manual pump, through the arrangement of the screw rod assembly, quick operation can be realized, the displacement is high, time is saved, and meanwhile, through the arrangement of the magneto-induced displacement sensor, high-precision liquid injection can be realized.

Drawings

FIG. 1 is a schematic diagram of an assembly structure of a high-precision high-pressure liquid injection horizontal manual pump according to the utility model;

FIG. 2 is a front view of a high-precision high-pressure horizontal manual pump according to the present utility model;

FIG. 3 is a cross-sectional view taken along A-A of FIG. 2;

FIG. 4 is an enlarged view of a portion of FIG. 3 at B;

fig. 5 is a partial enlarged view at C of fig. 3.

In the figure:

the device comprises a 1-cylinder barrel, a 2-support, a 3-pump seat, a 4-piston, a 51-trapezoidal screw nut, a 511-retaining shoulder, a 52-trapezoidal screw, a 521-hexagonal operation section, a 53-thrust bearing, a 54-tapered roller bearing, a 55-end cover, a 61-electronic bin, a 62-stainless steel measuring rod, a 63-magnetic ring, a 64-baffle, a 7-pedal, an 8-hinge and a 9-digital display screen.

Detailed Description

The utility model will be described in further detail with reference to the accompanying drawings and specific examples.

Examples

The high-precision high-pressure liquid injection horizontal manual pump is shown in fig. 1 to 3, and the whole structure of the high-precision high-pressure liquid injection horizontal manual pump comprises a cylinder barrel 1, a support 2 and a pump seat 3 which are respectively supported at two ends of the cylinder barrel 1, a piston 4 which is slidably arranged in the cylinder barrel 1, a screw rod assembly and a magnetic displacement sensor.

Specifically, one end of the cylinder 1 is supported with a support 2, the other end is supported with a pump seat 3, as shown in fig. 1, the left side of the cylinder 1 is supported by the support 2, the right side of the cylinder 1 is supported by the pump seat 3, a cylinder hole is formed in the cylinder 1, a piston 4 is slidably arranged in the cylinder hole formed in the cylinder 1, a screw rod assembly is connected with the piston 4 and can convert rotary motion into reciprocating motion of the piston 4 under the driving of external force, and a magnetic displacement sensor is arranged between the screw rod assembly and the pump seat 3.

In this embodiment, through the setting of lead screw subassembly, can realize quick operation, the discharge capacity is high, and is more labour saving and time saving, and through the setting of magnetocaloric displacement sensor, can realize the high accuracy annotating the liquid.

Specifically, as shown in fig. 3 and 4, the screw assembly includes a trapezoidal screw nut 51 installed in the support 2, a shoulder 511 formed on an outer circumferential surface of the trapezoidal screw nut 51, a trapezoidal screw 52 screwed on the trapezoidal screw nut 51, one end of the trapezoidal screw 52 connected to the piston 4, and the other end of the trapezoidal screw 52 extending out of the support 2, a thrust bearing 53 and a tapered roller bearing 54 respectively arranged on both sides of the shoulder 511 and sleeved on the trapezoidal screw nut 51, and an end cover 55 installed on the outer side of the thrust bearing 53.

When the thrust bearing 53 is used for injecting liquid, the axial force transmitted by the piston 4 is transmitted to the trapezoidal screw nut 51 through the trapezoidal screw 52 and then acts on the bearing, and the tapered roller bearing 54 provides thrust and radial force on the other side so as to ensure concentric rotation, specifically, the connection mode of the trapezoidal screw 52 is that a threaded hole is formed in one end of the piston 4, the trapezoidal screw 52 is provided with a groove for positioning, and the trapezoidal screw 52 is inserted into the piston 4 and then clamps the groove of the trapezoidal screw 52 through a fixing pin so as to form positioning connection of the trapezoidal screw and the tapered screw.

For convenience of manual operation, a hexagonal operation section 521 is formed at one end of the acme screw 52 extending outward from the support 2 to apply force to the acme screw 52 via an elongated wrench to rotate it relative to the acme screw nut 51. For convenient operation, be connected with footboard 7 on support 2 via hinge 8, footboard 7 is two in the support 2 both sides, and the setting of hinge 8 can be convenient for the accomodate of footboard 7.

In this embodiment, in order to facilitate real-time calculation of the volume of the oil, a magneto-displacement sensor is provided, and specifically, the magneto-displacement sensor includes an electronic bin 61 installed in the pump seat 3, and a stainless steel measuring rod 62 with one end connected to the electronic bin 61 and the other end extending into the trapezoidal screw 52 through the piston 4; the device also comprises a magnetic ring 63 arranged on the piston 4, wherein the magnetic ring 63 is sleeved on the stainless steel measuring rod 62, and the outside of the electronic bin 61 is provided with a baffle plate 64.

The piston 4 is driven to move by the trapezoidal screw 52, so that the magnetic ring 63 moves on the stainless steel measuring rod 62 to calculate the volume of oil in real time, and in this embodiment, as shown in fig. 1, in order to facilitate measurement and observation, a digital display screen 9 in electrical signal communication with the magneto-displacement sensor is mounted on the pump seat 3.

In a specific operation, the pedal 7 is turned over, the pedal 7 is stepped on by foot, the trapezoidal screw 52 is manually forced by the lengthened wrench, the trapezoidal screw 52 is rotated relative to the trapezoidal screw nut 51, and the reciprocating movement of the piston 4 is converted, and the magnetic ring 63 moves on the stainless steel measuring rod 62 to calculate the volume of oil in real time while operating, and is displayed by the digital display screen 9.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should substitute or change the technical solution according to the technical concept of the present utility model, to cover the scope of the present utility model.

Claims (7)

1. A high-precision high-pressure liquid injection horizontal manual pump is characterized in that: the device comprises a cylinder barrel, a support seat, a pump seat and a piston, wherein the support seat and the pump seat are respectively supported at two ends of the cylinder barrel, and the piston is slidably arranged in the cylinder barrel; the magnetic displacement sensor is arranged between the screw rod assembly and the pump seat.

2. The high-precision high-pressure liquid injection horizontal manual pump according to claim 1, wherein: the screw assembly comprises a trapezoidal screw nut arranged in the support, a retaining shoulder is formed on the outer peripheral surface of the trapezoidal screw nut, the screw assembly further comprises a trapezoidal screw, a thrust bearing and a tapered roller bearing, wherein one end of the trapezoidal screw nut is in threaded connection with the piston, the other end of the trapezoidal screw extends out of the support, the thrust bearing and the tapered roller bearing are respectively arranged on two sides of the retaining shoulder and sleeved on the trapezoidal screw nut, and an end cover is arranged on the outer side of the thrust bearing.

3. The high-precision high-pressure liquid injection horizontal manual pump according to claim 2, wherein: one end of the trapezoid screw rod extending outwards from the support is provided with a hexagonal operation section.

4. The high-precision high-pressure liquid injection horizontal manual pump according to claim 2, wherein: the magnetic displacement sensor comprises an electronic bin arranged in the pump seat, and a stainless steel measuring rod, wherein one end of the stainless steel measuring rod is connected with the electronic bin, and the other end of the stainless steel measuring rod penetrates through the piston and stretches into the trapezoidal screw rod; the stainless steel measuring rod is sleeved with the magnetic ring, and the baffle is arranged on the outer side of the electronic bin.

5. The high-precision high-pressure liquid injection horizontal manual pump according to claim 4, wherein: and a digital display screen which is communicated with the electric signal of the magneto-displacement sensor is arranged on the pump seat.

6. The high-precision high-pressure liquid injection horizontal manual pump according to claim 1, wherein: and the support is connected with a pedal through a hinge.

7. The high-precision high-pressure liquid injection horizontal manual pump according to claim 6, wherein: the pedals are respectively arranged on two sides of the support.