CN216211877U

CN216211877U - Gear pump for VR hydraulic transmission teaching system

Info

Publication number: CN216211877U
Application number: CN202122334363.7U
Authority: CN
Inventors: 李道良; 严景奇; 李祎; 姜亚凤; 刘继忠
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2021-09-26
Filing date: 2021-09-26
Publication date: 2022-04-05
Anticipated expiration: 2031-09-26

Abstract

The utility model discloses a gear pump for a VR hydraulic transmission teaching system, which relates to the field of gear pumps and comprises the following components: a mounting seat; the mounting plate is fixedly connected to the top end of the mounting seat; a first housing mounted to an outer wall of the mounting plate; a second housing connected to a top end of the first housing. According to the gear pump, the dismounting mechanism is arranged, when the second shell is dismounted, the sliding block is pushed to displace, the sliding block displaces to drive the fixing plates to displace, the two fixing plates move out of the fixing grooves, the fixing of the second shell is cancelled, the second shell is dismounted, when the second shell is mounted, the second shell is displaced to be attached to the first shell, the sliding block is loosened, the sliding block is reset under the elastic force of the pushing spring, so that the two fixing plates are driven to displace to enter the fixing grooves, the second shell is fixed, the shell of the gear pump is convenient to dismount, and the inside of the gear pump is convenient to observe.

Description

Gear pump for VR hydraulic transmission teaching system

Technical Field

The utility model relates to the field of gear pumps, in particular to a gear pump for a VR hydraulic transmission teaching system.

Background

The gear pump is a rotary pump which can transfer liquid or pressurize it by means of the change and movement of working volume formed between pump cylinder and meshed gear, and is formed from two gears, pump body and front and rear covers, when the gear is rotated, the volume of space of gear disengagement side is changed from small to large, and formed into vacuum to suck liquid, and the volume of space of gear meshing side is changed from large to small to squeeze liquid into pipeline, and the suction cavity and discharge cavity are separated by means of meshing line of two gears. The pressure of the discharge port of the gear pump is completely dependent on the resistance at the outlet of the pump, and a gear pump model is required to be used in the VR hydraulic transmission teaching system.

However, carrying out individual teaching in-process to the gear pump, need unpack the gear pump apart and demonstrate, make things convenient for the student to observe, need have the mechanism to carry out quick dismantlement to the casing of gear pump, when demonstrating the gear pump simultaneously, need fix the gear pump on the mount pad, the operation is comparatively complicated when fixing, needs have the structure to carry out quick fixed to the gear pump.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: in order to solve the problem that the shell of the gear pump needs to be rapidly disassembled and needs to be structurally fixed, the gear pump for the VR hydraulic transmission teaching system is provided.

In order to achieve the purpose, the utility model provides the following technical scheme: a gear pump for a VR hydraulic drive teaching system, comprising:

a mounting seat;

the mounting plate is fixedly connected to the top end of the mounting seat;

a first housing mounted to an outer wall of the mounting plate;

a second housing connected to a top end of the first housing;

the disassembling mechanism is arranged between the first shell and the second shell and used for quickly installing the second shell;

installation mechanism, installation mechanism set up in the mounting panel with between the first shell, be used for right first shell is fixed.

As a still further scheme of the utility model: the disassembly body includes fixed slot, slider and fixed plate, the fixed slot sets up in the outer wall and the second shell junction of first shell, slider sliding connection is on the top of second shell, fixed plate sliding connection is in the outer wall and the first shell junction of second shell, the one end fixedly connected with of slider promotes the lead screw, the other end fixedly connected with of slider promotes the spring, it is connected with the second shell to promote the spring, the outer wall connection that promotes the lead screw has first gear, the outer wall connection of first gear has the second gear, the one end fixedly connected with fixed lead screw of second gear, fixed lead screw's outer wall is connected with the inner wall of fixed plate.

As a still further scheme of the utility model: installation mechanism includes spliced pole, connecting plate and spread groove, spliced pole fixed connection is in the outer wall of mounting panel, the one end in first shell is connected to the connecting plate, the spread groove sets up in the outer wall of connecting plate, the below sliding connection that the top of mount pad is located the spliced pole has the cardboard, one side rotation that the top of mount pad is located the cardboard is connected with the ratchet, one side rotation that the top of mount pad is located the ratchet is connected with the fixture block, the bottom fixedly connected with activity lead screw of ratchet.

As a still further scheme of the utility model: the outer wall of second shell is provided with the spout, the inner wall of spout and the outer wall of slider are laminated mutually, the inner wall of fixed slot and the outer wall of fixed plate laminate mutually.

As a still further scheme of the utility model: the inner wall of first gear is provided with the internal thread, the external screw thread that promotes the lead screw matches with the internal thread phase-match of first gear, the teeth of a cogwheel of first gear meshes with the tooth's socket of second gear mutually, the inner wall of fixed plate is provided with the internal thread, the external screw thread of fixed lead screw matches with the internal thread of fixed plate.

As a still further scheme of the utility model: the outer wall of spliced pole laminates with the inner wall of spread groove mutually, be connected through the pivot between fixture block and the mount pad, be connected with the torsional spring between fixture block and the mount pad.

As a still further scheme of the utility model: the outer wall fixedly connected with fly leaf of cardboard, the inner wall of fly leaf is provided with the internal thread, the external screw thread of activity lead screw and the internal thread phase-match of fly leaf.

Compared with the prior art, the utility model has the beneficial effects that:

1. through the arrangement of the dismounting mechanism, when the second shell is dismounted, the sliding block is pushed to displace, the sliding block displaces to drive the fixing plates to displace, the two fixing plate positions move out of the fixing grooves, the fixing of the second shell is cancelled, the second shell is dismounted, when the second shell is mounted, the second shell is displaced to be attached to the first shell, the sliding block is loosened, the sliding block is reset under the elastic action of the pushing spring, so that the two fixing plates are driven to displace to enter the fixing grooves, the second shell is fixed, the shell of the gear pump is convenient to dismount, and the inside of the gear pump is convenient to observe;

2. through setting up installation mechanism, when installing first shell, insert the spread groove with the spliced pole, until connecting plate and mounting panel contact, it rotates movable lead screw to rotate the ratchet drive, the movable lead screw rotates and drives the cardboard and carry out the displacement, cardboard displacement and spliced pole and connecting plate contact, fix the connecting plate, thereby fix first shell, when dismantling first shell, promote fixture block and ratchet separation, the cardboard receives the action of gravity displacement and connecting plate separation, thereby the cancellation is fixed to first shell, be convenient for carry out quick installation and dismantlement to gear pump and mount pad.

Drawings

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

FIG. 2 is a schematic view of the installation of a second housing of the present invention;

FIG. 3 is a schematic structural view of a second housing according to the present invention;

FIG. 4 is a schematic view of the mounting of the lead screw of the present invention;

fig. 5 is a schematic view of the installation of the movable lead screw of the present invention.

In the figure: 1. a mounting seat; 2. mounting a plate; 3. a first housing; 4. a second housing; 5. a disassembly mechanism; 501. fixing grooves; 502. a slider; 503. a fixing plate; 504. a push spring; 505. pushing the screw rod; 506. a first gear; 507. a second gear; 508. fixing the screw rod; 6. an installation mechanism; 601. connecting columns; 602. a connecting plate; 603. connecting grooves; 604. clamping a plate; 605. a ratchet wheel; 606. a clamping block; 607. a movable screw rod.

Detailed Description

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

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art. The following describes an embodiment of the present invention based on its overall structure.

Referring to fig. 1 to 5, in an embodiment of the present invention, a gear pump for a VR hydraulic transmission teaching system includes:

a mounting base 1;

the mounting plate 2 is fixedly connected to the top end of the mounting base 1;

the first shell 3, the first shell 3 is mounted on the outer wall of the mounting plate 2;

a second housing 4, the second housing 4 being connected to one end of the top of the first housing 3;

the disassembling mechanism 5 is arranged between the first shell 3 and the second shell 4, and is used for quickly installing the second shell 4;

and the mounting mechanism 6 is arranged between the mounting plate 2 and the first shell 3, and is used for fixing the first shell 3.

Please refer to fig. 1-4, the detaching mechanism 5 includes a fixing groove 501, a sliding block 502 and a fixing plate 503, the fixing groove 501 is disposed at a joint between the outer wall of the first housing 3 and the second housing 4, the sliding block 502 is slidably connected to the top end of the second housing 4, the fixing plate 503 is slidably connected to a joint between the outer wall of the second housing 4 and the first housing 3, one end of the sliding block 502 is fixedly connected with a pushing screw 505, the other end of the sliding block 502 is fixedly connected with a pushing spring 504, the pushing spring 504 is connected to the second housing 4, the outer wall of the pushing screw 505 is connected to a first gear 506, the outer wall of the first gear 506 is connected to a second gear 507, one end of the second gear 507 is fixedly connected to a fixing screw 508, and the outer wall of the fixing screw 508 is connected to the inner wall of the fixing plate 503, which facilitates rapid installation of the second housing 4.

Please refer to fig. 2 and fig. 5, the mounting mechanism 6 includes a connection column 601, a connection plate 602 and a connection groove 603, the connection column 601 is fixedly connected to the outer wall of the mounting plate 2, the connection plate 602 is connected to one end of the first housing 3, the connection groove 603 is disposed on the outer wall of the connection plate 602, the top end of the mounting seat 1 is located below the connection column 601 and is slidably connected to a clamping plate 604, one side of the top end of the mounting seat 1 located at the clamping plate 604 is rotatably connected to a ratchet 605, one side of the top end of the mounting seat 1 located at the ratchet 605 is rotatably connected to a clamping block 606, and the bottom end of the ratchet 605 is fixedly connected to a movable screw 607, so as to fix the first housing 3.

Referring to fig. 1-4, the outer wall of the second housing 4 is provided with a sliding groove, an inner wall of the sliding groove is attached to an outer wall of the sliding block 502, so that the sliding block 502 can slide on the inner wall of the sliding groove, and an inner wall of the fixing groove 501 is attached to an outer wall of the fixing plate 503, so that the fixing plate 503 can move into the fixing groove 501.

Please refer to fig. 1-4, the inner wall of the first gear 506 is provided with an internal thread, the external thread of the pushing screw 505 matches with the internal thread of the first gear 506, the teeth of the first gear 506 are engaged with the teeth grooves of the second gear 507, the inner wall of the fixing plate 503 is provided with an internal thread, the external thread of the fixing screw 508 matches with the internal thread of the fixing plate 503, so that the slider 502 is displaced to drive the pushing screw 505 to displace, the pushing screw 505 is displaced to drive the first gear 506 to rotate, the first gear 506 rotates to drive the second gear 507 to rotate, the second gear 507 rotates to drive the fixing screw 508 to rotate, and the fixing screw 508 rotates to drive the fixing plate 503 to displace.

Please refer to fig. 2 and fig. 5, the outer wall of the connecting column 601 is attached to the inner wall of the connecting groove 603, so that the connecting column 601 can slide in the connecting groove 603, the fastening block 606 is connected to the mounting base 1 through the rotating shaft, and the torsion spring is connected between the fastening block 606 and the mounting base 1, so that the fastening block 606 is attached to the ratchet 605 to fix the ratchet 605.

Please refer to fig. 2 and fig. 5, the outer wall of the clamping plate 604 is fixedly connected with a movable plate, the inner wall of the movable plate is provided with an internal thread, and the external thread of the movable screw 607 is matched with the internal thread of the movable plate, so that the movable screw 607 rotates to drive the clamping plate 604 to displace.

The working principle of the utility model is as follows: firstly, when the second housing 4 is disassembled, the sliding block 502 is pushed to displace, the sliding block 502 displaces to drive the pushing screw rod 505 to displace, the pushing screw rod 505 displaces to drive the first gear 506 to rotate, the first gear 506 rotates to drive the second gear 507 to rotate, the second gear 507 rotates to drive the fixed screw rod 508 to rotate, the fixed screw rod 508 rotates to drive the fixed plates 503 to displace, the two fixed plates 503 displace out of the fixed grooves 501, the fixation of the second housing 4 is cancelled, the second housing 4 is disassembled, when the second housing 4 is assembled, the second housing 4 is displaced to be attached to the first housing 3, the sliding block 502 is released, the sliding block 502 is reset under the elastic force of the pushing spring 504, thereby driving the two fixed plates 503 to displace into the fixed grooves 501, the second housing 4 is fixed, the housing of the gear pump is convenient to disassemble, and the inside is convenient to observe, when installing first shell 3, insert connecting post 601 spread groove 603, until connecting plate 602 and mounting panel 2 contact, it rotates movable lead screw 607 to rotate ratchet 605, movable lead screw 607 rotates and drives cardboard 604 and carry out the displacement, cardboard 604 displacement and connecting post 601 and connecting plate 602 contact, fix connecting plate 602, thereby fix first shell 3, fixture block 606 receives the effect of torsional spring elasticity and laminates with ratchet 605 simultaneously, fix ratchet 605, when dismantling first shell 3, promote fixture block 606 and ratchet 605 separation, cardboard 604 receives the effect of gravity displacement and connecting plate 602 separation, thereby the cancellation is fixed to first shell 3, be convenient for carry out quick installation and dismantlement to gear pump and mount pad 1.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to or changed within the scope of the present invention.

Claims

1. A gear pump for a VR hydraulic teaching system comprising:

a mounting seat (1);

the mounting plate (2), the mounting plate (2) is fixedly connected to the top end of the mounting base (1);

a first housing (3), the first housing (3) being mounted to an outer wall of the mounting plate (2);

a second housing (4), the second housing (4) being connected to a top end of the first housing (3);

the dismounting mechanism (5) is arranged between the first shell (3) and the second shell (4) and is used for quickly mounting the second shell (4);

an installation mechanism (6), the installation mechanism (6) set up in the installation board (2) with between the first shell (3), be used for right first shell (3) are fixed.

2. The gear pump for the VR hydraulic transmission teaching system according to claim 1, wherein the detaching mechanism (5) comprises a fixing groove (501), a sliding block (502) and a fixing plate (503), the fixing groove (501) is arranged at the joint of the outer wall of the first shell (3) and the second shell (4), the sliding block (502) is slidably connected to the top end of the second shell (4), the fixing plate (503) is slidably connected to the joint of the outer wall of the second shell (4) and the first shell (3), one end of the sliding block (502) is fixedly connected with a pushing screw rod (505), the other end of the sliding block (502) is fixedly connected with a pushing spring (504), the pushing spring (504) is connected with the second shell (4), the outer wall of the pushing screw rod (505) is connected with a first gear (506), the outer wall of the first gear (506) is connected with a second gear (507), one end of the second gear (507) is fixedly connected with a fixed screw rod (508), and the outer wall of the fixed screw rod (508) is connected with the inner wall of the fixed plate (503).

3. The gear pump for the VR hydraulic transmission teaching system according to claim 1, wherein the mounting mechanism (6) comprises a connecting column (601), a connecting plate (602) and a connecting groove (603), the connecting column (601) is fixedly connected to the outer wall of the mounting plate (2), the connecting plate (602) is connected to one end of the first housing (3), the connecting groove (603) is arranged on the outer wall of the connecting plate (602), a clamping plate (604) is slidably connected to the top end of the mounting seat (1) below the connecting column (601), a ratchet wheel (605) is rotatably connected to the top end of the mounting seat (1) on one side of the clamping plate (604), a clamping block (606) is rotatably connected to the top end of the mounting seat (1) on one side of the ratchet wheel (605), and a movable lead screw (607) is fixedly connected to the bottom end of the ratchet wheel (605).

4. The gear pump for the VR hydraulic transmission teaching system of claim 2, wherein the outer wall of the second housing (4) is provided with a sliding groove, the inner wall of the sliding groove is attached to the outer wall of the sliding block (502), and the inner wall of the fixing groove (501) is attached to the outer wall of the fixing plate (503).

5. The gear pump for the VR hydraulic transmission teaching system of claim 2, wherein an inner wall of the first gear (506) is provided with an internal thread, an external thread of the push screw (505) is matched with the internal thread of the first gear (506), gear teeth of the first gear (506) are meshed with gear grooves of the second gear (507), an inner wall of the fixing plate (503) is provided with an internal thread, and an external thread of the fixing screw (508) is matched with the internal thread of the fixing plate (503).

6. The gear pump for the VR hydraulic transmission teaching system according to claim 3, wherein an outer wall of the connecting column (601) is attached to an inner wall of the connecting groove (603), the clamping block (606) is connected with the mounting seat (1) through a rotating shaft, and a torsion spring is connected between the clamping block (606) and the mounting seat (1).

7. The gear pump for the VR hydraulic transmission teaching system of claim 3, wherein a movable plate is fixedly connected to an outer wall of the clamping plate (604), an inner wall of the movable plate is provided with an internal thread, and an external thread of the movable screw rod (607) is matched with the internal thread of the movable plate.