CN219840762U - Axial plunger pump - Google Patents

Abstract

The utility model relates to the technical field of automobile chassis, in particular to an axial plunger pump which comprises a sealing shell, a protective shell and an auxiliary mechanism, wherein the auxiliary mechanism comprises a first fixed ring, a second fixed ring, a first screw rod, a second screw rod and a threaded body, the first fixed ring is fixedly connected with a damping spring, the first fixed ring is also in threaded connection with the first screw rod, the second fixed ring is fixedly connected with the damping spring, the second fixed ring is also in threaded connection with the second screw rod, the first screw rod is fixedly connected with a guide post, the second screw rod is fixedly connected with a damping sleeve, the threaded body is in threaded connection with the protective shell, the threaded body is also fixedly connected with an upper bottom plate, and the damping spring is taken out through a through hole for replacement, so that the problem that a plurality of components inside the whole protective shell are required to be disassembled when the damping spring is required to be replaced, and the replacement of the damping spring can be completed.

Description

Axial plunger pump

Technical Field

The utility model relates to the technical field of automobile chassis, in particular to an axial plunger pump.

Background

The axial plunger pump is an internal circular array cylinder body with a plurality of pistons of positive displacement pumps, and can be used as an independent pump, a hydraulic motor or an automobile chassis, an air conditioner compressor and the like, the swash plate axial plunger pump consists of a swash plate, a plunger, a group body, a valve plate and a transmission shaft, an inclination angle gamma is formed between the cylinder body and the swash plate, the plungers are uniformly distributed in the cylinder body, the heads of the plungers are tightly pressed on the swash plate through the action of a spring return mechanism and oil pressure, the transmission shaft drives the cylinder body to rotate through a spline, the swash plate and the valve plate are fixed, when the transmission shaft can rotate in the anticlockwise direction, the plunger rotates along with the cylinder body and moves in a reciprocating straight line in the cylinder body plunger hole, when the swash plate axial plunger pump is used at high strength continuously, larger vibration and higher heat can be generated, if the swash plate axial plunger pump cannot be processed in time, the violent vibration can lead parts on the pump body to loose vibration, the constituent members arranged in an inner cavity can be damaged, the parts on the pump body can be heated at high temperature, the same, the working efficiency is low, and elements in the inner cavity are easy to burn out.

Prior art patent CN210714956U discloses a sloping cam plate type axial plunger pump, the pump body inner chamber is pegged graft and is had the transmission shaft, pump body outside cover is equipped with seal shell, seal shell upper and lower lateral wall symmetry is provided with the base, lower plate top fixedly connected with basin, the basin top is sealing structure, first guide post bottom fixed connection rubber floating disc, damping spring one end and snubber block fixed connection, snubber block bottom and second guide post top fixed connection, the water pipe lateral wall intercommunication has two inlet tubes, inlet tube one end is connected with the basin lateral wall, the protecting crust is connected through coupling mechanism with pump body and seal shell outer wall, and this prior art has realized the pump body simultaneously at the function of cooling heat dissipation shock attenuation of during operation, has reduced the possibility of pump body damage, has guaranteed the work efficiency of the pump body, has improved the life of the pump body.

But among the above-mentioned prior art, because damping spring sets up in the interior top of protecting crust, when needs change damping spring, need dismantle a plurality of subassemblies inside whole protecting crust, just can accomplish the change to damping spring.

Disclosure of Invention

The utility model aims to provide an axial plunger pump, which aims to solve the technical problem that in the prior art, as a damping spring is arranged at the inner top of a protective shell, when the damping spring needs to be replaced, a plurality of components in the whole protective shell need to be disassembled to complete the replacement of the damping spring.

In order to achieve the above purpose, the axial plunger pump comprises a sealing shell, a protecting shell and an auxiliary mechanism, wherein a pump body is arranged in the sealing shell, two water guide components are arranged on the sealing shell, two guide posts are arranged on one side of the sealing shell, two through holes are formed in the inner top of the protecting shell, a thread groove is formed in the inner diameter of each through hole, an upper bottom plate is arranged in each through hole, a damping sleeve is arranged at one end of each upper bottom plate, a damping spring is arranged in each damping sleeve, the sealing shell is arranged in the protecting shell, the guide posts abut against the damping springs, the auxiliary mechanism is respectively arranged on the guide posts, the damping springs and the upper bottom plate, the auxiliary mechanism comprises a first fixing ring, a second fixing ring, a first screw rod, a second screw rod and a threaded body, the first fixing ring is fixedly connected with the damping springs, is located at one end of the damping springs, the first fixing ring is in threaded connection with the first screw rod, the guide rings abut against the first screw rod, the second fixing ring is connected with the first screw rod, the guide posts are also located at the other end of the guide posts, the guide rings are fixedly connected with the first screw rod, the guide posts are located at the other end of the guide posts, and the guide posts are fixedly connected with the first screw rods, and the guide posts are also located at the other end of the guide posts, and the guide posts are fixedly connected with the first screw rods.

The auxiliary mechanism further comprises a rotating block, the end face of the threaded body is provided with a containing groove, two ends of the containing groove are provided with sliding grooves, two sides of the containing groove are provided with semicircular grooves, and the rotating block is connected with the threaded body in a drawing mode and located in the containing groove.

The rotating block comprises two sliding blocks and a block body, wherein the two sliding blocks are respectively fixedly connected with the block body and are positioned at two ends of the block body, the two sliding blocks are respectively connected with the threaded body in a sliding manner and are positioned in the corresponding sliding grooves, and the block body is connected with the threaded body in a drawing manner.

The axial plunger pump further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is communicated with the water guide assembly and is positioned at one side of the corresponding water guide assembly, and the water outlet pipe is communicated with the protective shell and is positioned at the inner bottom of the protective shell.

The water guide assembly comprises a connecting pipe head and a water guide pipe, wherein the connecting pipe head is fixedly connected with the water guide pipe and is positioned at one end of the water guide pipe, the water guide pipe is communicated with the sealing shell, and the water inlet pipe is communicated with the water guide pipe.

According to the axial plunger pump disclosed by the utility model, the threaded body is moved out of the threaded groove by rotating the threaded body, the first fixing ring and the first screw rod are simultaneously rotated and moved out of the threaded groove, the first fixing ring and the first screw rod are simultaneously rotated, the damping spring is brought out by the threaded body, the damping spring is rotated by a maintenance personnel, the second fixing ring is rotated on the second screw rod and moved out of the second screw rod, so that the damping spring can be replaced, when the damping spring is required to be installed, the damping spring is placed into the damping sleeve, the second fixing ring and the second screw rod are rotated, the threaded body is placed into the threaded groove, the threaded body and the threaded groove are simultaneously rotated, and the first fixing ring and the first screw rod are simultaneously rotated, so that the damping spring is fixed on the first screw rod and the second screw rod.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a side view of a first embodiment of the present utility model.

Fig. 2 is a cross-sectional view of the utility model taken along line A-A of fig. 1.

Fig. 3 is a partial enlarged view of the present utility model at B in fig. 2.

Fig. 4 is a cross-sectional view of the utility model taken along line C-C of fig. 2.

Fig. 5 is a partial enlarged view of the present utility model at D in fig. 4.

Fig. 6 is a side view of a second embodiment of the present utility model.

Fig. 7 is a cross-sectional view of the utility model taken along line E-E of fig. 6.

101-sealing shell, 102-protective shell, 103-pump body, 104-water guide assembly, 105-block, 106-guide post, 107-through hole, 108-thread groove, 109-upper bottom plate, 110-damping sleeve, 111-damping spring, 112-first fixed ring, 113-second fixed ring, 114-first screw, 115-second screw, 116-thread body, 117-accommodation groove, 118-chute, 119-semicircular groove, 120-slide block, 201-water inlet pipe, 202-water outlet pipe, 203-connecting tube head, 204-water guide pipe.

Detailed Description

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.

First embodiment:

referring to fig. 1 to 5, wherein fig. 1 is a side view of a first embodiment of the present utility model, fig. 2 is a cross-sectional view of the present utility model taken along line A-A in fig. 1, fig. 3 is a partially enlarged view of the present utility model taken along line B in fig. 2, fig. 4 is a cross-sectional view of the present utility model taken along line C-C in fig. 2, and fig. 5 is a partially enlarged view of the present utility model taken along line D in fig. 4.

The utility model provides an axial plunger pump, which comprises a sealed shell 101, a protective shell 102 and an auxiliary mechanism, wherein the auxiliary mechanism comprises a first fixed ring 112, a second fixed ring 113, a first screw 114, a second screw 115, a threaded body 116 and a rotating block, and the rotating block comprises two sliding blocks 120 and a block body 105.

For this embodiment, be provided with the pump body 103 in the seal housing 101, be provided with two water guide component 104 on the seal housing 101, one side of seal housing 101 is provided with two guide posts 106, the interior top of shield housing 102 has two through-holes 107, have screw thread groove 108 on the internal diameter of through-hole 107, be provided with upper plate 109 in the through-hole 107, the one end of upper plate 109 is provided with shock attenuation sleeve 110, be provided with damping spring 111 in the shock attenuation sleeve 110, seal housing 101 set up in the shield housing 102, just guide posts 106 support and hold damping spring 111, through the seal housing 101 can be convenient for install the pump body 103, the shield housing 102 can protect the pump body 103, water guide component 104 can be convenient for the flow of liquid, damping spring 111 can be right the pump body 103 is damped.

The auxiliary mechanism is respectively disposed on the guide post 106, the damping spring 111 and the upper base plate 109, the first fixing ring 112 is fixedly connected with the damping spring 111 and is disposed at one end of the damping spring 111, the first fixing ring 112 is further in threaded connection with the first screw 114 and abuts against the guide post 106, the second fixing ring 113 is fixedly connected with the damping spring 111 and is disposed at the other end of the damping spring 111, the second fixing ring 113 is further in threaded connection with the second screw 115 and is disposed in the damping sleeve 110, the first screw 114 is fixedly connected with the guide post 106 and is disposed at one end of the guide post 106, the second screw 115 is fixedly connected with the damping sleeve 110 and is disposed in the damping sleeve 110, the threaded body 116 is in threaded connection with the protecting shell 102 and is disposed in the corresponding threaded groove 108, the threaded body 116 is further fixedly connected with the upper base plate 109 and is further fixedly connected with the first screw 112 and the second screw 114, and the first screw 114 can be conveniently replaced by the first screw 112 and the second screw 114.

Secondly, the end face of the screw body 116 is provided with a containing groove 117, both ends of the containing groove 117 are provided with sliding grooves 118, both sides of the containing groove 117 are provided with semicircular grooves 119, the rotating block is connected with the screw body 116 in a drawing way and is positioned in the containing groove 117, the screw body 116 can be conveniently rotated through the rotating block, and the semicircular grooves 119 can be conveniently pulled out of the containing groove 117.

And the two sliding blocks 120 are fixedly connected with the block 105 respectively and are positioned at two ends of the block 105, the two sliding blocks 120 are also slidably connected with the threaded bodies 116 respectively and are positioned in the corresponding sliding grooves 118, the block 105 is connected with the threaded bodies 116 in a drawing way, and the moving distance of the block 105 can be limited through the sliding blocks 120.

When the utility model is used for replacing the damping spring 111, the threaded body 116 is moved out of the threaded groove 108 by rotating the threaded body 116, the first fixing ring 112 and the first screw 114 are simultaneously rotated and moved out of the threaded groove 108, the threaded body 116 brings the damping spring 111 out together, a serviceman rotates the damping spring 111, the second fixing ring 113 is rotated on the second screw 115 and is moved out of the second screw 115, so that the damping spring 111 can be replaced, when the installation is needed, the second fixing ring 113 and the second screw 115 are rotated, the threaded body 116 is placed into the threaded groove 108, the threaded body 116 and the threaded groove 108 are simultaneously rotated, the first fixing ring 112 and the first screw 114 are rotated, the damping spring 111 is fixed on the first screw 115, and the second screw 115 is fixed on the second screw 115, so that the damping spring 111 can be replaced, and when the installation is needed, the damping spring 111 and the protection shell 102 are replaced, and the vibration protection assembly is completely replaced by the vibration protection shell 102.

The second embodiment is:

on the basis of the first embodiment, please refer to fig. 6-7, wherein fig. 6 is a side view of a second embodiment of the present utility model, and fig. 7 is a cross-sectional view of the present utility model taken along line E-E in fig. 6.

The utility model provides an axial plunger pump further comprising a water inlet pipe 201 and a water outlet pipe 202, wherein the water guide assembly 104 comprises a connecting pipe head 203 and a water guide pipe 204.

For this embodiment, the water inlet pipe 201 is connected to the water guiding component 104 and is located at one side of the corresponding water guiding component 104, and the water outlet pipe 202 is connected to the protecting shell 102 and is located at the inner bottom of the protecting shell 102, so that the flow of the liquid can be facilitated by the water inlet pipe 201 and the water outlet pipe 202.

The connecting pipe head 203 is fixedly connected with the water conduit 204 and is located at one end of the water conduit 204, the water conduit 204 is connected with the sealed housing 101, the water inlet pipe 201 is connected with the water conduit 204, and the liquid can flow conveniently through the water conduit 204 and the connecting pipe head 203.

With the axial plunger pump of the present embodiment, the flow of the liquid is facilitated by the water inlet pipe 201 and the water outlet pipe 202, and the flow of the liquid is facilitated by the water guide pipe 204 and the connection pipe head 203.

The above disclosure is only a preferred embodiment of the present utility model, and it should be understood that the scope of the utility model is not limited thereto, and those skilled in the art will appreciate that all or part of the procedures described above can be performed according to the equivalent changes of the claims, and still fall within the scope of the present utility model.

Claims (5)

1. The axial plunger pump comprises a sealing shell and a protective shell, wherein a pump body is arranged in the sealing shell, two water guide components are arranged on the sealing shell, two guide posts are arranged on one side of the sealing shell, two through holes are formed in the inner top of the protective shell, a thread groove is formed in the inner diameter of each through hole, an upper bottom plate is arranged in each through hole, a damping sleeve is arranged at one end of each upper bottom plate, a damping spring is arranged in each damping sleeve, the sealing shell is arranged in the protective shell, the guide posts support against the damping springs,

the device also comprises an auxiliary mechanism;

the auxiliary mechanism is arranged on the guide post, the damping spring and the upper bottom plate respectively, the auxiliary mechanism comprises a first fixed ring, a second fixed ring, a first screw rod, a second screw rod and a threaded body, the first fixed ring is fixedly connected with the damping spring and is positioned at one end of the damping spring, the first fixed ring is also in threaded connection with the first screw rod and abuts against the guide post, the second fixed ring is fixedly connected with the damping spring and is positioned at the other end of the damping spring, the second fixed ring is also in threaded connection with the second screw rod and is positioned in the damping sleeve, the first screw rod is fixedly connected with the guide post and is positioned at one end of the guide post, the second screw rod is fixedly connected with the damping sleeve and is positioned in the damping sleeve, the threaded body is in threaded connection with the protecting shell and is positioned in the corresponding threaded groove, and the threaded body is also in fixed connection with the upper bottom plate.

2. The axial plunger pump as set forth in claim 1, wherein,

the auxiliary mechanism further comprises a rotating block, the end face of the threaded body is provided with a containing groove, both ends of the containing groove are provided with sliding grooves, both sides of the containing groove are provided with semicircular grooves, and the rotating block is connected with the threaded body in a drawing mode and located in the containing groove.

3. The axial plunger pump as set forth in claim 2, wherein,

the rotating block comprises two sliding blocks and a block body, wherein the two sliding blocks are respectively and fixedly connected with the block body and are positioned at two ends of the block body, the two sliding blocks are respectively and slidably connected with the threaded body and are positioned in the corresponding sliding grooves, and the block body is connected with the threaded body in a drawing mode.

4. The axial piston pump as in claim 3, wherein,

the axial plunger pump further comprises a water inlet pipe and a water outlet pipe, wherein the water inlet pipe is communicated with the water guide assembly and is positioned at one side of the corresponding water guide assembly, and the water outlet pipe is communicated with the protective shell and is positioned at the inner bottom of the protective shell.

5. The axial piston pump as in claim 4, wherein,

the water guide assembly comprises a connecting pipe head and a water guide pipe, wherein the connecting pipe head is fixedly connected with the water guide pipe and is positioned at one end of the water guide pipe, the water guide pipe is communicated with the sealing shell, and the water inlet pipe is communicated with the water guide pipe.