Micro-miniature gear double pump structure

Abstract

The utility model discloses a micro gear double pump structure, and relates to the technical field of gear double pumps. Comprising a pair of installation plates, a pump body is installed at the second end between the installation plates, a linkage assembly is arranged at the first end between the installation plates, the linkage assembly comprises a first support, and the first support is fixed to the top of the first side of the first end between the installation plates. The self-locking motor is started to drive the first reciprocating screw rod and the belt wheel to rotate, the belt wheel drives the second reciprocating screw rod to rotate synchronously, the first reciprocating screw rod and the second reciprocating screw rod drive the moving plate to slide along the mounting plate, and meanwhile the moving plate pushes the sliding rod in the sliding groove to drive the inclined sliding block to move synchronously. When the inclined sliding blocks drive the clamping rods and the clamping grooves to move, the clamping rods are gradually pulled to be far away from or close to each other by means of the slopes, so that the distance between the clamping grooves is changed, the clamping operation of liquid outlet pipes with different diameters is completed, and the applicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of gear double pumps, in particular to a micro-sized gear double pump structure. Background Art

[0002] A gear pump is a rotary pump that relies on the change and movement of the working volume formed between the pump cylinder and the meshing gears to transport liquid or increase its pressure. The existing micro-gear double pump structure (Announcement No.: CN217634262U) has at least the following defects in use:

[0003] When the device is in use, although the liquid outlet pipe of the double gear pump can be supported by the annular frame, since the size of the annular frame is fixed, it can only be used for liquid outlet pipes of fixed size. It cannot be used when the diameter of the liquid outlet pipe changes, which reduces the applicability of the device. Utility Model Content

[0004] The main purpose of the utility model is to provide a micro-sized gear double pump structure, which can effectively solve the problems in the background technology.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] A micro-gear double pump structure comprises a pair of mounting plates, a pump body is mounted on the second end between the mounting plates, a linkage assembly is arranged on the first end between the mounting plates, the linkage assembly comprises a first bracket, the first bracket and the top of the first side of the first end between the mounting plates are fixed to each other, a second bracket is fixedly connected to the bottom of the first side of the first end between the mounting plates, a self-locking motor is fixedly connected to the top of the second end inside the first bracket, a first reciprocating screw is fixedly connected to the output end of the self-locking motor, a second reciprocating screw is rotatably connected to the bottom of the second end inside the second bracket, the first ends of the first reciprocating screw and the second reciprocating screw respectively pass through the first bracket and the second bracket and are fixedly connected to pulleys, and the pulleys are transmission connected to each other.

[0007] Preferably, a slope is provided at the bottom of the first bracket and the top of the second bracket, and a slide is provided inside the slope.

[0008] Preferably, a clamping rod is slidably connected inside the slideway, and clamping grooves are provided in adjacent directions of the clamping rods.

[0009] Preferably, an inclined sliding block is fixedly connected in the opposite direction of the clamping rod, and the inclined sliding block is slidably connected to the surface of the slope.

[0010] Preferably, the inclined sliding block is fixedly connected with a sliding rod in opposite directions, and a spring is provided on the outer wall of the sliding rod.

[0011] Preferably, a movable plate is provided in a direction opposite to the spring, the first reciprocating screw rod and the second reciprocating screw rod penetrate the movable plate and are threadedly connected thereto, and the movable plate is slidably connected to the mounting plate in a direction opposite to the spring.

[0012] Preferably, a sliding groove is provided in a direction adjacent to the movable plate, and the sliding rod is arranged inside the sliding groove and is slidably connected thereto.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model starts a self-locking motor to drive the first reciprocating screw and the pulley to rotate, and the pulley drives the second reciprocating screw to rotate synchronously. The first reciprocating screw and the second reciprocating screw drive the movable plate to slide along the mounting plate, and the movable plate pushes the sliding rod inside the sliding groove to drive the inclined sliding block to move synchronously. At this time, the inclined sliding block drives the clamping rod and the clamping groove to move, and gradually pulls the clamping rods away from (or closer to) each other with the help of the slope, so that the distance between the clamping grooves is changed, thereby completing the clamping and supporting operation of liquid outlet pipes with different diameters, thereby improving the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is an axial view of the utility model;

[0016] Figure 2 It is a partial bottom view of the utility model;

[0017] Figure 3 It is an exploded shaft view of the linkage assembly of the utility model;

[0018] Figure 4 It is an exploded bottom view of the linkage assembly of the utility model.

[0019] In the figure: 1, mounting plate; 2, pump body; 3, linkage assembly; 301, first bracket; 302, second bracket; 303, self-locking motor; 304, first reciprocating screw; 305, second reciprocating screw; 306, pulley; 307, ramp; 308, slide; 309, clamping rod; 310, clamping groove; 311, inclined slider; 312, slide rod; 313, spring; 314, moving plate; 315, slide groove. DETAILED DESCRIPTION

[0020] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0021] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0022] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0023] It should be emphasized that this application is designed for announcement number: CN217634262U and is applied to gear duplex pump technology.

[0024] Among them, in this application, the mounting plate 1 and the pump body 2 are the prior art disclosed in the announcement number: CN217634262U.

[0025] The self-locking motor 303 of the utility model is purchased on the market, and technicians in the industry only need to install and operate it according to the accompanying instruction manual.

[0026] Example

[0027] See also Figure 1-Figure 4 , the utility model provides a technical solution:

[0028] A micro-gear double pump structure includes a pair of mounting plates 1, a pump body 2 is installed at the second end between the mounting plates 1, a linkage assembly 3 is arranged at the first end between the mounting plates 1, the linkage assembly 3 includes a first bracket 301, the first bracket 301 and the top of the first side of the first end between the mounting plates 1 are fixed to each other, the bottom of the first side of the first end between the mounting plates 1 is fixedly connected to the second bracket 302, the top of the second end inside the first bracket 301 is fixedly connected to a self-locking motor 303, the output end of the self-locking motor 303 is fixedly connected to a first reciprocating screw rod 304, the bottom of the second end inside the second bracket 302 is rotatably connected to a second reciprocating screw rod 305, the first ends of the first reciprocating screw rod 304 and the second reciprocating screw rod 305 respectively penetrate the first bracket 301 and the second bracket 302 and are fixedly connected to pulleys 306, and the pulleys 306 are transmission connected to each other.

[0029] In this embodiment, the self-locking motor 303 is started to drive the first reciprocating screw 304 and the pulley 306 to rotate, and the pulley 306 drives the second reciprocating screw 305 to rotate synchronously, without manual separate adjustment, thereby improving the adjustment efficiency of the device.

[0030] The bottom of the first bracket 301 and the top of the second bracket 302 are both provided with a slope 307, a slideway 308 is opened inside the slope 307, a clamping rod 309 is slidably connected inside the slideway 308, a clamping groove 310 is opened in the direction adjacent to the clamping rod 309, an inclined sliding block 311 is fixedly connected in the direction opposite to the clamping rod 309, the inclined sliding block 311 is slidably connected to the surface of the slope 307, a sliding bar 312 is fixedly connected in the direction opposite to the inclined sliding block 311, a spring 313 is set on the outer wall of the sliding bar 312, a moving plate 314 is set in the direction opposite to the spring 313, the first reciprocating screw rod 304 and the second reciprocating screw rod 305 penetrate the moving plate 314 and are threadedly connected thereto, the moving plate 314 is slidably connected to the mounting plate 1 in the direction opposite to the moving plate 314, a sliding groove 315 is opened in the direction adjacent to the moving plate 314, and the sliding bar 312 is set inside the sliding groove 315 and is slidably connected thereto.

[0031] In this embodiment, the first reciprocating screw 304 and the second reciprocating screw 305 drive the movable plate 314 to slide along the mounting plate 1, and the movable plate 314 pushes the slide bar 312 inside the slide groove 315 to drive the inclined slide block 311 to move synchronously. At this time, the inclined slide block 311 drives the clamping rod 309 and the clamping groove 310 to move, and gradually pulls the clamping rod 309 away (or closer) with the help of the slope 307, so that the distance between the clamping grooves 310 changes, thereby completing the clamping and supporting operation of liquid outlet pipes with different diameters, thereby improving the applicability of the device.

[0032] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. A miniature gear double pump structure, comprising a pair of mounting plates (1), a pump body (2) being mounted at the second end between the mounting plates (1), characterized in that: A linkage assembly (3) is provided at the first end between the mounting plates (1), the linkage assembly (3) comprising a first bracket (301), the first bracket (301) and the top of the first side of the first end between the mounting plates (1) are fixed to each other, the bottom of the first side of the first end between the mounting plates (1) is fixedly connected to a second bracket (302), the top of the second end inside the first bracket (301) is fixedly connected to a self-locking motor (303), the output end of the self-locking motor (303) is fixedly connected to a first reciprocating screw rod (304), the bottom of the second end inside the second bracket (302) is rotatably connected to a second reciprocating screw rod (305), the first ends of the first reciprocating screw rod (304) and the second reciprocating screw rod (305) respectively penetrate the first bracket (301) and the second bracket (302) and are fixedly connected to pulleys (306), and the pulleys (306) are transmission-connected to each other.

2. A micro-gear double pump structure according to claim 1, characterized in that: A slope (307) is provided at the bottom of the first bracket (301) and the top of the second bracket (302), and a slideway (308) is provided inside the slope (307).

3. A miniature gear double pump structure according to claim 2, characterized in that: A clamping rod (309) is slidably connected inside the slideway (308), and a clamping groove (310) is provided in a direction adjacent to the clamping rod (309).

4. A micro-gear double pump structure according to claim 3, characterized in that: An inclined sliding block (311) is fixedly connected in the opposite direction of the clamping rod (309), and the inclined sliding block (311) is slidably connected to the surface of the slope (307).

5. A micro-gear double pump structure according to claim 4, characterized in that: The inclined sliding block (311) is fixedly connected to a sliding rod (312) in the opposite direction, and a spring (313) is arranged on the outer wall of the sliding rod (312).

6. A micro-gear double pump structure according to claim 5, characterized in that: A movable plate (314) is provided in a direction opposite to the spring (313); the first reciprocating screw rod (304) and the second reciprocating screw rod (305) penetrate the movable plate (314) and are threadedly connected thereto; and the movable plate (314) is slidably connected to the mounting plate (1) in a direction opposite to the spring (313).

7. A miniature gear double pump structure according to claim 6, characterized in that: A sliding groove (315) is provided in a direction adjacent to the movable plate (314), and the sliding rod (312) is arranged inside the sliding groove (315) and is slidably connected thereto.

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