Quantitative and stable conveying high-precision gear pump

Abstract

The invention discloses a quantitative and stable conveying high-precision gear pump which comprises a base, a protective shell arranged on the upper portion of the base, a gear pump fixedly installed on the upper portion of the base, a motor arranged on the upper portion of the base, a connecting shaft arranged on one side of the gear pump, a feeding pipe arranged on one side of the gear pump in a communicating mode and a connecting assembly arranged on the upper portion of the base. The connecting assembly comprises a protection mechanism arranged on the upper portion of the base, a dismounting and mounting mechanism is arranged on the upper portion of the base, a filtering mechanism is arranged on the upper portion of the base, the output end of a motor is fixedly connected with a connecting shaft through a coupler, the outer end of a second spring is fixedly connected with a pull rod, and a clamping rod and a first clamping groove are arranged in a clamped mode. The problems that an existing device does not have a damping effect, after the device is used for a long time, all parts may loosen, meanwhile, internal parts may be damaged, and therefore the service life of the device is affected are solved.

Description

Technical Field

[0001] The invention relates to the technical field of gear pumps, in particular to a high-precision gear pump for quantitative and stable delivery. Background Art

[0002] A gear pump is a rotor pump that pushes liquid (fluid) through the meshing of gears. It is mainly composed of two parts: a pump body and a motor. Gear pumps are divided into external gear pumps and internal gear pumps. External gear pumps achieve transportation by meshing two sets of identical gears to form a change in sealed volume.

[0003] According to the high-precision gear pump for quantitative and smooth delivery disclosed in patent announcement No. CN 216198946 U, the device is provided with a driving motor, a partition, a protective plate and a pump housing. The motor driving shaft and the connecting shaft extending from the pump housing are fixedly connected by a coupling, and a partition is provided outside the connection between the two to form protection to prevent accidental collision during operation, thereby solving the problem of poor driving stability; however, the device does not have a shock-absorbing effect. After the device is used for a long time, the components may become loose, and the internal components may be damaged, thereby affecting the service life of the device.

[0004] To this end, we proposed a high-precision gear pump with quantitative and smooth delivery to solve the problem. Summary of the invention

[0005] The object of the present invention is to provide a high-precision gear pump for quantitative and smooth delivery, so as to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a high-precision gear pump for quantitative and stable delivery, comprising a base; A protective shell arranged on the upper part of the base; A gear pump fixedly mounted on the upper part of the base; A motor arranged on the upper part of the base; A connecting shaft arranged on one side of the gear pump; Connected to a feed pipe arranged on one side of the gear pump; And a connecting component arranged on the upper part of the base, the connecting component includes a protective mechanism arranged on the upper part of the base, a disassembly and assembly mechanism is arranged on the upper part of the base, a filtering mechanism is arranged on the upper part of the base, and the output end of the motor is fixedly connected to the connecting shaft through a coupling.

[0007] According to the above technical solution, the protective mechanism includes a first movable groove opened on the upper part of the base, the inner wall of the first movable groove is slidably connected with a movable block, the base is rotatably connected with a bidirectional threaded rod through a bearing, the upper part of the movable block is movably connected with a support rod through a pin, a support plate is provided on the upper part of the support rod, the bottom of the support plate is fixedly connected with a fixed block, a convex groove is opened on the upper part of the support plate, a convex column is slidably connected with the inner wall of the convex groove, a first clamping groove is opened on the front part of the convex column, the upper part of the convex column is fixedly connected with a connecting plate, and the upper part of the connecting plate is fixedly connected A shock-absorbing plate is connected, and the motor is fixedly installed on the upper part of the shock-absorbing plate, a first sliding groove is opened at the front part of the support plate, a first sliding rod is fixedly connected to the inner wall of the first sliding groove, a first sliding block is slidably connected to the outer wall of the first sliding rod, a first spring is fixedly connected to the inner wall of the first sliding groove, a limiting plate is fixedly connected to the front part of the first sliding block, a clamping rod is movably connected to one end of the limiting plate, a pulling rod is fixedly connected to the outer end of the clamping rod, a second spring is fixedly connected to the outer side of the limiting plate, a second movable groove is opened at the upper part of the base, and the limiting rod is fixedly connected to the inner wall of the second movable groove.

[0008] According to the above technical solution, the disassembly and assembly mechanism includes a mounting groove provided on the upper part of the base, an inner groove is provided inside the base, a mounting block is slidably connected to the inner wall of the inner groove, a clamping block is fixedly connected to one side of the mounting block, a third spring is fixedly connected to the inner wall of the inner groove, a connecting rod is fixedly connected to the side of the mounting block away from the clamping block, the outer end of the connecting rod is rotatably connected to a rotating rod through a bearing, a positioning rod is fixedly connected to the inner side of the rotating rod, a positioning hole is provided on the side wall of the base, a limiting groove is provided on the side wall of the base, a sound-absorbing cotton is fixedly connected to the inner wall of the protective shell, a reserved hole is provided at the bottom of the protective shell, a second clamping groove is provided on the side wall of the protective shell, a cooling fan is fixedly connected to the output end of the motor, and a dustproof plate is fixedly installed on one side of the protective shell.

[0009] According to the above technical scheme, the filter mechanism includes a mounting cylinder sleeved inside the feed pipe, the outer wall of the mounting cylinder is fixedly connected with a connecting block, the connecting block is threadedly connected with a bolt, the outer end of the feed pipe is provided with a groove, the inner wall of the groove is provided with a threaded hole, the inner wall of the mounting cylinder is fixedly connected with a mounting rod, the mounting rod is rotatably connected with a rotating shaft through a bearing, the outer end of the rotating shaft is fixedly connected with a propeller, the inner wall of the mounting cylinder is fixedly connected with an inclined surface pressing block, the inner end of the mounting cylinder is fixedly connected with a filter plate, the inner wall of the feed pipe is fixedly connected with a mounting ring, the outer side of the mounting ring is fixedly connected with a sealing ring, the outer wall of the inner end of the rotating shaft is provided with a second slide groove, the inner wall of the second slide groove is fixedly connected with a second slide rod, the outer wall of the second slide rod is slidably connected with a second slider, the inner wall of the second slide groove is fixedly connected with a fourth spring, and the outer side of the second slider is fixedly connected with a cleaning brush.

[0010] According to the above technical solution, the outer end of the second spring is fixedly connected to the pull rod, the clamping rod is clamped with the first clamping groove, one end of the first spring is fixedly connected to the first slider, the inner side of the limiting plate is fitted with the outer side of the convex column, and the shock-absorbing plate is provided to achieve a shock-absorbing effect, thereby protecting the device and reducing the wear between the components, thereby extending the service life of the device. At the same time, through the cooperation of the convex groove, convex column, first clamping groove, connecting plate, first slide groove, first slide rod, first slider, first spring, limiting plate, clamping rod and second spring, it is convenient for manual replacement of the shock-absorbing plate with larger wear in time, thereby achieving a better shock-absorbing effect on the motor.

[0011] According to the above technical solution, there are four movable blocks in number, two in a group, one group is threadedly connected to the outer wall of the bidirectional threaded rod, and the other group is slidably connected to the outer wall of the limit rod, the top end of the support rod is movably connected to the fixed block by a pin, and the outer end of the bidirectional threaded rod is fixedly connected with an adjusting disk, and the height of the motor can be fine-tuned through the cooperation of the first movable groove, the movable block, the bidirectional threaded rod, the support rod, the fixed block, the support plate, the second movable groove, and the limit rod, so that gear pumps of different heights can be installed, thereby increasing the applicability of the device.

[0012] According to the above technical solution, the size of the mounting groove is adapted to that of the protective shell, the card block movably passes through the base and is clamped in the second card slot, one end of the third spring is fixedly connected to the mounting block, and the outer end of the connecting rod is movably connected to the base. Through the cooperation of the protective shell, the heat dissipation fan, the dustproof plate, and the sound-absorbing cotton, the motor and the connection between the motor and the connecting shaft can be protected, and the heat dissipation and noise reduction effects can be achieved, thereby increasing the applicability of the device. At the same time, through the cooperation of the mounting groove, the inner groove, the mounting block, the card block, the third spring, the connecting rod, the rotating rod, the positioning rod, and the positioning hole, it is convenient for manual disassembly of the protective shell, thereby facilitating manual disassembly and assembly of the motor and the connecting shaft, and at the same time, it is convenient for manual replacement of the protective shell with severe damage in time, thereby achieving a better protection effect on the device.

[0013] According to the above technical solution, the positioning rod is movably connected in the positioning hole, and the positioning rod is adapted to the limiting groove.

[0014] According to the above technical solution, the bolt is adapted to the threaded hole, and one end of the fourth spring is fixedly connected to the second slider. Through the cooperation of the mounting cylinder, the connecting block, the bolt, the groove, the mounting rod, the rotating shaft, the propeller, the inclined surface pressure block, the mounting ring, the sealing ring, the second slide groove, the second slide rod, the second slider, the fourth spring, the cleaning brush, and the filter plate, impurities in the feed liquid can be prevented from causing wear to the gears in the gear pump, thereby extending the service life of the parts.

[0015] According to the above technical solution, there are three bolts, which are evenly distributed on the outer wall of the mounting tube, and the connecting block is adapted to the size of the groove.

[0016] Compared with the prior art, the beneficial effects achieved by the present invention are: (1) The present invention, by providing a protective mechanism and a shock-absorbing plate, can achieve a shock-absorbing effect, thereby achieving a protective effect on the device, reducing the wear between the components, thereby extending the service life of the device. At the same time, under the action of the convex groove, the convex column, the first clamping groove, the connecting plate, the first sliding groove, the first sliding rod, the first sliding block, the first spring, the limit plate, the clamping rod, and the second spring, it is convenient for manual replacement of the shock-absorbing plate with greater wear in a timely manner, thereby achieving a better shock-absorbing effect on the motor.

[0017] (2) The present invention is provided with a protective mechanism. Under the action of the first movable groove, the movable block, the bidirectional threaded rod, the support rod, the fixed block, the support plate, the second movable groove and the limit rod, the height of the motor can be finely adjusted, so that gear pumps of different heights can be installed, thereby increasing the applicability of the device.

[0018] (3) The present invention, by providing a disassembly and assembly mechanism, can protect the motor and the connection between the motor and the connecting shaft under the action of the protective shell, the heat dissipation fan, the dustproof plate and the silencer cotton, and can also achieve heat dissipation and noise reduction effects, thereby increasing the applicability of the device. At the same time, under the action of the mounting groove, the inner groove, the mounting block, the clamping block, the third spring, the connecting rod, the rotating rod, the positioning rod and the positioning hole, it is convenient for manual disassembly of the protective shell, thereby facilitating manual disassembly and assembly of the motor and the connecting shaft, and at the same time, it is convenient for manual replacement of the protective shell that is severely damaged, thereby achieving a better protection effect on the device.

[0019] (4) The present invention, by providing a filtering mechanism, can prevent impurities in the feed liquid from causing wear to the gears in the gear pump under the action of the mounting cylinder, the connecting block, the bolt, the groove, the mounting rod, the rotating shaft, the propeller, the inclined surface pressing block, the mounting ring, the sealing ring, the second slide groove, the second slide rod, the second slider, the fourth spring, the cleaning brush and the filter plate, thereby extending the service life of the parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings: Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the overall cross-sectional structure of the present invention; Figure 3It is a schematic diagram of the structure of the protection mechanism of the present invention; Figure 4 It is a partial structural schematic diagram of the protection mechanism of the present invention; Figure 5 It is a schematic diagram of the disassembly and assembly mechanism structure of the present invention; Figure 6 It is a partial structural schematic diagram of the disassembly and assembly mechanism of the present invention; Figure 7 It is a schematic diagram of the structure of the filtering mechanism of the present invention; Figure 8 It is a partial structural schematic diagram of the filtering mechanism of the present invention; In the figure: 1, base; 2, protective shell; 3, connecting assembly; 31, protective mechanism; 311, first movable groove; 312, movable block; 313, bidirectional threaded rod; 314, support rod; 315, fixed block; 316, support plate; 317, convex groove; 318, convex column; 319, first clamping groove; 3110, connecting plate; 3111, shock absorbing plate; 3112, first slide groove; 3113, first slide rod; 3114, first slide block; 3115, first spring; 3116, limit plate; 3117, clamping rod; 3118, second spring; 3119, second movable groove; 3120, limit rod; 32, disassembly and assembly mechanism; 321, installation groove; 322, inner groove; 323, installation block; 324, clamping block; 32 5. Third spring; 326. Connecting rod; 327. Rotating rod; 328. Positioning rod; 329. Positioning hole; 3210. Silencing cotton; 3211. Second card slot; 3212. Reserved hole; 3213. Cooling fan; 3214. Dustproof plate; 33. Filter mechanism; 331. Mounting cylinder; 332. Connecting block; 333. Bolt; 334. Groove; 335. Mounting rod; 336. Rotating shaft; 337. Propeller; 338. Inclined pressure block; 339. Mounting ring; 3310. Sealing ring; 3311. Second slide slot; 3312. Second slide rod; 3313. Second slide block; 3314. Fourth spring; 3315. Cleaning brush; 3316. Filter plate; 4. Gear pump; 5. Motor; 6. Connecting shaft; 7. Feed pipe. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0022] Example 1: Figure 1-8As shown, the present invention provides a technical solution: a high-precision gear pump for quantitative and smooth delivery, comprising a base 1, a protective shell 2 arranged on the upper part of the base 1, a gear pump 4 fixedly installed on the upper part of the base 1, a motor 5 arranged on the upper part of the base 1, a connecting shaft 6 arranged on one side of the gear pump 4, a feed pipe 7 connected to the one side of the gear pump 4, and a connecting component 3 arranged on the upper part of the base 1, the connecting component 3 comprises a protective mechanism 31 arranged on the upper part of the base 1, a disassembly mechanism 32 is arranged on the upper part of the base 1, a filtering mechanism 33 is arranged on the upper part of the base 1, the output end of the motor 5 is fixedly connected to the connecting shaft 6 through a coupling, the protective mechanism 31 comprises a first movable groove 311 opened on the upper part of the base 1, a movable block 312 is slidably connected to the inner wall of the first movable groove 311, the base 1 is rotatably connected to a bidirectional threaded rod 313 through a bearing, the upper part of the movable block 312 is movably connected to a support rod 314 through a pin, a support plate 316 is arranged on the upper part of the support rod 314, a fixed block 315 is fixedly connected to the bottom of the support plate 316, and the support plate A convex groove 317 is provided on the upper part of the support plate 316, and a convex column 318 is slidably connected to the inner wall of the convex groove 317. A first slot 319 is provided on the front of the convex column 318. A connecting plate 3110 is fixedly connected to the upper part of the convex column 318. A damping plate 3111 is fixedly connected to the upper part of the connecting plate 3110, and the motor 5 is fixedly installed on the upper part of the damping plate 3111. A first slide groove 3112 is provided on the front part of the support plate 316, and a first slide rod 3113 is fixedly connected to the inner wall of the first slide groove 3112. The first slide rod 3113 is fixedly connected to the inner wall of the first slide groove 3112. The outer wall of the first slide block 3114 is slidably connected to the first slide groove 3112, the inner wall of the first slide groove 3112 is fixedly connected to the first spring 3115, the front part of the first slide block 3114 is fixedly connected to the limiting plate 3116, one end of the limiting plate 3116 is movably connected to the clamping rod 3117, the outer end of the clamping rod 3117 is fixedly connected to the pull rod, the outer side of the limiting plate 3116 is fixedly connected to the second spring 3118, the upper part of the base 1 is provided with a second movable groove 3119, and the inner wall of the second movable groove 3119 is fixedly connected to the limiting rod 3120.

[0023] The cam 3118 is a block diagram of a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention, wherein the cam 3118 is a block diagram of a first embodiment of the present invention

[0024] Furthermore, there are four movable blocks 312, which are arranged in groups of two. One group is threadedly connected to the outer wall of the two-way threaded rod 313, and the other group is slidably connected to the outer wall of the limit rod 3120. The top of the support rod 314 is movably connected to the fixed block 315 through a pin, and the outer end of the two-way threaded rod 313 is fixedly connected with an adjusting disk. Through the cooperation of the first movable groove 311, the movable block 312, the two-way threaded rod 313, the support rod 314, the fixed block 315, the support plate 316, the second movable groove 3119, and the limit rod 3120, the height of the motor 5 can be fine-tuned, so that the gear pumps 4 of different heights can be installed, thereby increasing the applicability of the device.

[0025] When the device is in use, the gear pump 4 is first installed on the upper part of the base 1 manually, and then the bidirectional threaded rod 313 is driven to rotate by manually turning the adjusting disk, so that the movable block 312 threadedly connected to the outer wall of the bidirectional threaded rod 313 can move in the first movable groove 311, and under the action of the support rod 314 and the fixed block 315, the height of the support plate 316 can be adjusted, and then the motor 5 is installed on the upper part of the shock absorbing plate 3111 manually, and the output end of the motor 5 is adjusted to a position with the same height as the connecting shaft 6, and then the two are connected by a coupling, and the installation operation is completed. Furthermore, when the shock-absorbing plate 3111 needs to be disassembled, it is only necessary to manually pull the clamping rod 3117 outward to separate the clamping rod 3117 from the first clamping groove 319, and then the first slide groove 3112 can be used to move the first slide rod 3113 in the first slide groove 3112 under the action of elastic force, so that the limit plate 3116 can stay in a position away from the convex column 318, and then the connecting plate 3110 can be manually taken out, so that the shock-absorbing plate 3111 with greater wear can be replaced manually in time, thereby achieving a better shock-absorbing effect on the motor 5.

[0026] Embodiment 2: Based on Embodiment 1, a preferred embodiment of a high-precision gear pump for quantitative and stable delivery provided by the present invention is as follows: Figure 1-8As shown: the disassembly and assembly mechanism 32 includes a mounting groove 321 provided on the upper part of the base 1, an inner groove 322 is provided inside the base 1, a mounting block 323 is slidably connected to the inner wall of the inner groove 322, a clamping block 324 is fixedly connected to one side of the mounting block 323, a third spring 325 is fixedly connected to the inner wall of the inner groove 322, a connecting rod 326 is fixedly connected to the side of the mounting block 323 away from the clamping block 324, the outer end of the connecting rod 326 is rotatably connected to a rotating rod 327 through a bearing, a positioning rod 328 is fixedly connected to the inner side of the rotating rod 327, a positioning hole 329 is provided on the side wall of the base 1, a limiting groove is provided on the side wall of the base 1, a sound-absorbing cotton 3210 is fixedly connected to the inner wall of the protective shell 2, a reserved hole 3212 is provided at the bottom of the protective shell 2, a second clamping groove 3211 is provided on the side wall of the protective shell 2, a cooling fan 3213 is fixedly connected to the output end of the motor 5, and a dustproof plate 3214 is fixedly installed on one side of the protective shell 2.

[0027] In this embodiment, the mounting groove 321 is adapted to the size of the protective shell 2, the clamping block 324 is movably inserted into the base 1 and clamped with the second clamping groove 3211, one end of the third spring 325 is fixedly connected to the mounting block 323, and the outer end of the connecting rod 326 is movably connected to the base 1. Through the cooperation of the protective shell 2, the heat dissipation fan 3213, the dustproof plate 3214, and the sound-absorbing cotton 3210, the motor 5 and the connection between the motor 5 and the connecting shaft 6 can be protected, and the heat dissipation and noise reduction effects can be achieved, thereby increasing the applicability of the device. At the same time, through the cooperation of the mounting groove 321, the inner groove 322, the mounting block 323, the clamping block 324, the third spring 325, the connecting rod 326, the rotating rod 327, the positioning rod 328, and the positioning hole 329, it is convenient for manual disassembly of the protective shell 2, thereby facilitating manual disassembly and assembly of the motor 5 and the connecting shaft 6, and at the same time, it is convenient for manual replacement of the protective shell 2 with severe damage in time, thereby achieving a better protection effect on the device.

[0028] Furthermore, the positioning rod 328 is movably connected in the positioning hole 329, and the positioning rod 328 is adapted to the limiting groove.

[0029] When the protective shell 2 needs to be installed, it is only necessary to manually match the protective shell 2 with the mounting groove 321, and then press the protective shell 2 downward. When the bottom of the protective shell 2 contacts the block 324, since the upper part of the block 324 is an inclined surface, the block 324 can move into the inner groove 322. Then, when the bottom of the protective shell 2 is fully matched with the mounting groove 321, the third spring 325 can drive the mounting block 323 to move inward under the action of the elastic force, so that the block 324 can be engaged with the second slot 3211. Then, under the action of the protective shell 2, the cooling fan 3213, the dustproof plate 3214, and the sound-absorbing cotton 3210, the motor 5 and the connection between the motor 5 and the connecting shaft 6 can be protected, and the heat dissipation and noise reduction effects can be achieved, thereby increasing the applicability of the device. Further, when the protective shell 2 needs to be disassembled, it is only necessary to manually hold the rotating rod 327 outward When the locking cam 328 is in the closed position, the locking cam 324 is in the closed position, and ...

[0030] Embodiment 3: Based on Embodiment 1, a preferred embodiment of a high-precision gear pump for quantitative and stable delivery provided by the present invention is as follows: Figure 1-8As shown: the filtering mechanism 33 includes a mounting cylinder 331 sleeved inside the feed pipe 7, the outer wall of the mounting cylinder 331 is fixedly connected to a connecting block 332, the connecting block 332 is threadedly connected to a bolt 333, the outer end of the feed pipe 7 is provided with a groove 334, the inner wall of the groove is provided with a threaded hole, the inner wall of the mounting cylinder 331 is fixedly connected to a mounting rod 335, the mounting rod 335 is rotatably connected to a rotating shaft 336 through a bearing, the outer end of the rotating shaft 336 is fixedly connected to a propeller 337, the inner wall of the mounting cylinder 331 is fixedly connected to an inclined surface pressing block 338, the mounting A filter plate 3316 is fixedly connected to the inner end of the cylinder 331, a mounting ring 339 is fixedly connected to the inner wall of the feed pipe 7, a sealing ring 3310 is fixedly connected to the outer side of the mounting ring 339, a second slide groove 3311 is opened on the outer wall of the inner end of the rotating shaft 336, a second slide rod 3312 is fixedly connected to the inner wall of the second slide groove 3311, a second slide bar 3313 is slidably connected to the outer wall of the second slide bar 3312, a fourth spring 3314 is fixedly connected to the inner wall of the second slide groove 3311, and a cleaning brush 3315 is fixedly connected to the outer side of the second slide bar 3313.

[0031] In this embodiment, the bolt 333 is adapted to the threaded hole, and one end of the fourth spring 3314 is fixedly connected to the second slider 3313. Through the cooperation of the mounting cylinder 331, the connecting block 332, the bolt 333, the groove 334, the mounting rod 335, the rotating shaft 336, the propeller 337, the inclined surface pressing block 338, the mounting ring 339, the sealing ring 3310, the second slide groove 3311, the second slide rod 3312, the second slider 3313, the fourth spring 3314, the cleaning brush 3315, and the filter plate 3316, impurities in the feed liquid can be prevented from causing wear to the gears in the gear pump 4, thereby extending the service life of the parts.

[0032] Furthermore, there are three bolts 333 equidistantly distributed on the outer wall of the mounting tube 331 , and the connecting block 332 and the groove 334 are adapted in size.

[0033] When the liquid passes through the mounting cylinder 331, the filter plate 3316 can prevent the impurities in the liquid from causing wear to the gears in the gear pump 4, thereby extending the service life of the parts. Furthermore, under the action of the liquid flow, the propeller 337 can be rotated, so that the rotating shaft 336 can be rotated synchronously. Under the action of the second slide bar 3312, the second slider 3313, and the fourth spring 3314, the cleaning brush 3315 fixedly connected to the outer side of the second slider 3313 can be rotated synchronously, so that the filter plate 3316 can be self-cleaned, which can prevent the filter plate 3316 from being damaged. The filter holes 16 are clogged, which affects the filtering effect. When the cleaning brush 3315 is pressed against the inclined pressing block 338 during rotation, the cleaning brush 3315 can be moved away from the filter plate 3316 under the action of the second sliding bar 3312 and the second sliding block 3313, so that the impurities attached between the cleaning brush 3315 and the filter plate 3316 can be detached, thereby making the cleaning effect of the cleaning brush 3315 better. Under the action of the bolt 333, the mounting cylinder 331 is easy to be disassembled manually, so that the filter plate 3316 can be taken out manually for deep cleaning.

[0034] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0035] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-precision gear pump for quantitative and smooth delivery, comprising a base (1); A protective shell (2) arranged on the upper part of the base (1); A gear pump (4) fixedly mounted on the upper portion of the base (1); A motor (5) disposed on the upper portion of the base (1); A connecting shaft (6) disposed on one side of the gear pump (4); Connected to a feed pipe (7) disposed on one side of the gear pump (4); and a connecting assembly (3) arranged on the upper part of the base (1), characterized in that: The connection assembly (3) comprises a protection mechanism (31) arranged on the upper part of the base (1), a disassembly mechanism (32) is arranged on the upper part of the base (1), a filtering mechanism (33) is arranged on the upper part of the base (1), and the output end of the motor (5) is fixedly connected to the connection shaft (6) via a coupling.

2. A high-precision gear pump for quantitative and smooth delivery according to claim 1, characterized in that: The protection mechanism (31) comprises a first movable groove (311) provided on the upper part of the base (1); a movable block (312) is slidably connected to the inner wall of the first movable groove (311); the base (1) is rotatably connected to a bidirectional threaded rod (313) via a bearing; the upper part of the movable block (312) is movably connected to a support rod (314) via a pin; a support plate (316) is provided on the upper part of the support rod (314); a fixed block (315) is fixedly connected to the bottom of the support plate (316); a convex groove (317) is provided on the upper part of the support plate (316); a convex column (318) is slidably connected to the inner wall of the convex groove (317); a first clamping groove (319) is provided on the front part of the convex column (318); a connecting plate (3110) is fixedly connected to the upper part of the convex column (318); a shock absorbing plate (3111) is fixedly connected to the upper part of the connecting plate (3110); and The motor (5) is fixedly mounted on the upper part of the damping plate (3111); a first sliding groove (3112) is provided at the front of the support plate (316); a first sliding rod (3113) is fixedly connected to the inner wall of the first sliding groove (3112); a first sliding block (3114) is slidably connected to the outer wall of the first sliding rod (3113); a first spring (3115) is fixedly connected to the inner wall of the first sliding groove (3112); a limiting plate (3116) is fixedly connected to the front of the first sliding block (3114); a clamping rod (3117) is movably connected to one end of the limiting plate (3116); a pulling rod is fixedly connected to the outer end of the clamping rod (3117); a second spring (3118) is fixedly connected to the outer side of the limiting plate (3116); a second movable groove (3119) is provided at the upper part of the base (1); a limiting rod (3120) is fixedly connected to the inner wall of the second movable groove (3119).

3. A high-precision gear pump for quantitative and stable delivery according to claim 1, characterized in that: The disassembly and assembly mechanism (32) comprises a mounting groove (321) provided on the upper part of the base (1); an inner groove (322) is provided inside the base (1); a mounting block (323) is slidably connected to the inner wall of the inner groove (322); a clamping block (324) is fixedly connected to one side of the mounting block (323); a third spring (325) is fixedly connected to the inner wall of the inner groove (322); a connecting rod (326) is fixedly connected to the side of the mounting block (323) away from the clamping block (324); an outer end of the connecting rod (326) is rotatably connected to a rotating rod (326) via a bearing. 27), a positioning rod (328) is fixedly connected to the inner side of the rotating rod (327), a positioning hole (329) is provided on the side wall of the base (1), a limiting groove is provided on the side wall of the base (1), a sound-absorbing cotton (3210) is fixedly connected to the inner wall of the protective shell (2), a reserved hole (3212) is provided on the bottom of the protective shell (2), a second slot (3211) is provided on the side wall of the protective shell (2), a heat dissipation fan (3213) is fixedly connected to the output end of the motor (5), and a dustproof plate (3214) is fixedly installed on one side of the protective shell (2).

4. A high-precision gear pump for quantitative and stable delivery according to claim 1, characterized in that: The filtering mechanism (33) comprises a mounting cylinder (331) sleeved inside the feed pipe (7); a connecting block (332) is fixedly connected to the outer wall of the mounting cylinder (331); a bolt (333) is threadedly connected to the connecting block (332); a groove (334) is provided at the outer end of the feed pipe (7); a threaded hole is provided on the inner wall of the groove; a mounting rod (335) is fixedly connected to the inner wall of the mounting cylinder (331); the mounting rod (335) is rotatably connected to a rotating shaft (336) via a bearing; a propeller (337) is fixedly connected to the outer end of the rotating shaft (336); an inclined surface pressing block (338) is fixedly connected to the inner wall of the mounting cylinder (331); A filter plate (3316) is fixedly connected to the inner end of the mounting cylinder (331), a mounting ring (339) is fixedly connected to the inner wall of the feed pipe (7), a sealing ring (3310) is fixedly connected to the outer side of the mounting ring (339), a second slide groove (3311) is provided on the outer wall of the inner end of the rotating shaft (336), a second slide bar (3312) is fixedly connected to the inner wall of the second slide groove (3311), a second slider (3313) is slidably connected to the outer wall of the second slider bar (3312), a fourth spring (3314) is fixedly connected to the inner wall of the second slide groove (3311), and a cleaning brush (3315) is fixedly connected to the outer side of the second slider (3313).

5. A high-precision gear pump for quantitative and smooth delivery according to claim 2, characterized in that: The outer end of the second spring (3118) is fixedly connected to the pull rod, the clamping rod (3117) is clamped with the first clamping groove (319), one end of the first spring (3115) is fixedly connected to the first sliding block (3114), and the inner side of the limiting plate (3116) is fitted with the outer side of the convex column (318).

6. A high-precision gear pump for quantitative and stable delivery according to claim 2, characterized in that: There are four movable blocks (312) in number, arranged in groups of two, one group being threadedly connected to the outer wall of the bidirectional threaded rod (313), and the other group being slidably connected to the outer wall of the limit rod (3120); the top end of the support rod (314) is movably connected to the fixed block (315) via a pin, and the outer end of the bidirectional threaded rod (313) is fixedly connected to an adjustment disk.

7. A high-precision gear pump for quantitative and stable delivery according to claim 3, characterized in that: The size of the mounting groove (321) is adapted to that of the protective shell (2); the clamping block (324) movably penetrates the base (1) and is clamped with the second clamping groove (3211); one end of the third spring (325) is fixedly connected to the mounting block (323); and the outer end of the connecting rod (326) is movably connected to the base (1).

8. A high-precision gear pump for quantitative and stable delivery according to claim 3, characterized in that: The positioning rod (328) is movably connected in the positioning hole (329), and the positioning rod (328) is adapted to the limiting groove.

9. A high-precision gear pump for quantitative and stable delivery according to claim 4, characterized in that: The bolt (333) is adapted to fit the threaded hole, and one end of the fourth spring (3314) is fixedly connected to the second sliding block (3313).

10. A high-precision gear pump for quantitative and stable delivery according to claim 4, characterized in that: There are three bolts (333) which are equidistantly distributed on the outer wall of the mounting tube (331), and the connecting block (332) and the groove (334) are adapted in size.

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