Novel lubricating pump oil outlet structure capable of adjusting oil outlet quantity

Abstract

The utility model discloses a novel lubricating pump oil outlet structure capable of adjusting the oil outlet amount, and relates to the technical field of lubricating pumps. The pump body is in threaded fit with the adjusting valve element seat, and the adjusting valve element seat is fixedly connected with the hexagon nut, so that after the hexagon nut is rotated, the valve element is driven to rotate clockwise or anticlockwise so as to adjust the size of the quantitative cavity, and the requirement for flexible adjustment of the oil outlet amount is met; according to the oil pump, the motor drives the cam to rotate and drives the pump core to do reciprocating motion, when the pump core moves rightwards, oil in the quantitative cavity is pushed, so that the valve element is pushed, finally, the oil in the quantitative cavity reaches an oil outlet channel through a through hole of an oil receiving groove of the valve element to be discharged, and when the cam is far away from the pump core, a reset spring of the pump core resets the pump core. And meanwhile, the valve element spring is adjusted to reset the valve element, at the moment, the oil inlet of the pump body sucks oil from the oil tank to fill the quantitative cavity, and the next oil outlet action of the pump element continues to be waited.

Description

TECHNICAL FIELD

[0001] The utility model belongs to lubrication pump technical field, especially, relate to a new type lubrication pump oil outlet structure of adjustable oil output. BACKGROUND

[0002] Lubrication pump oil outlet structure is composed of pump core, oil suction port, one-way check structure, oil outlet, is rotated through motor drive cam (motor cam is not in structure), cam pushes and reciprocates pump core, when pump core spring resets, oil suction port absorbs oil from oil tank, oil will fill up the fixed amount chamber, when cam pushes pump core, pump core pushes the oil in fixed amount chamber and opens one-way check structure, the oil in fixed amount chamber reaches oil outlet from one-way check structure, when cam is far from pump core, pump core resets through spring, one-way check structure resets through spring, oil suction port absorbs oil, and single oil outlet process ends.

[0003] But fixed amount chamber is fixed, the stroke of pump core reciprocating motion is fixed, the stroke of one-way check structure is fixed, these factors lead to the defect that the oil output of lubrication pump oil outlet structure cannot be adjusted.

[0004] Therefore, we propose a new type lubrication pump oil outlet structure of adjustable oil output. Utility model content

[0005] The utility model is aimed at providing a new type lubrication pump oil outlet structure of adjustable oil output, solves the problem that the oil output of existing lubrication pump oil outlet structure cannot be adjusted.

[0006] To solve the above technical problem, the utility model is realized by the following technical schemes:

[0007] The utility model discloses a novel adjustable oil output lubricating pump oil outlet structure, including the pump body, the pump body columnar structure, the movable cavity is established in the right end surface middle part of pump body, the piston cavity is established in the movable cavity, the movable cavity is linked with the piston cavity, the piston cavity runs through the left end surface of pump body, the left end of pump body is equipped with a plurality of oil inlet, the piston cavity is installed with the pump core and the valve core, the left end of pump core is fixed with the step, the right end surface contact installation of step has the valve core spring seat, the left end surface of pump body is equipped with spring step, the spring step is connected with the valve core spring seat through reset spring, the reset spring is set to the pump core circumferential surface, the left end of pump body is fixed with the hexagonal projection in the middle part, the right end circumferential surface of pump body is equipped with two sealing grooves and an oil delivery groove, the oil delivery groove is located between two sealing grooves, the inner circumferential surface of oil delivery groove is equipped with a plurality of oil delivery ports, and the oil delivery groove is communicated with the movable cavity through the oil delivery port, the O type sealing ring A is installed in two sealing grooves, the right end circumferential surface of pump body is equipped with articulated joint, and the left end surface of articulated joint is opposite with the right end surface of hexagonal projection, the right end surface of articulated joint is flush with the right end surface of pump body, the articulated joint circumferential surface is provided with the oil outlet channel, and the oil outlet channel is communicated with the oil delivery groove, the movable cavity is screwed with the adjusting valve core seat, the adjusting valve core seat circumferential surface is sequentially provided with external thread, oil delivery groove, inner sealing groove and hexagon nut from left to right, the inner sealing groove is provided with O type sealing ring B, the adjusting valve core seat is fixedly connected with the hexagon nut, the position of oil delivery groove is adapted to the oil delivery port, the oil delivery groove is provided with oil delivery through -hole, the left end surface of adjusting valve core seat is provided with spring groove, the adjusting valve core spring is fixed in spring groove, one end of adjusting valve core spring is opposite with the right end of valve core, the valve core circumferential surface is nested and is provided with adjusting valve core nut, and the adjusting valve core nut circumferential surface is screwed with the spring groove inner wall of adjusting valve core seat.

[0008] In one embodiment, the shape and size of the pump core are adapted to the piston groove, and the pump core and the piston groove form a piston structure.

[0009] In one embodiment, the left end surface of the valve core is provided with an oil receiving groove, the circumferential surface of the oil receiving groove is provided with a through hole, and the valve core and the piston cavity are slidingly connected.

[0010] In one embodiment, the circumferential surface of the valve core is provided with a limiting ring at the right end, and the left end surface of the limiting ring is opposite to the right end surface of the adjusting valve core nut.

[0011] In one embodiment, the inner thread is arranged on the left inner wall of the movable cavity, the inner thread of the movable cavity is matched with the outer thread of the adjusting valve core seat, and the pump body and the adjusting valve core seat are screwed.

[0012] In one of the embodiments, the O-shaped sealing ring B is in abutment with the right side of the movable cavity of the pump body to form a sealing structure.

[0013] The utility model has the advantages of the following:

[0014] In the utility model, the motor drives the cam to rotate, and drives the pump core to make reciprocating motion, when the pump core moves to the right, the oil in the quantitative chamber is pushed, thereby pushing the valve core, and finally the oil in the quantitative chamber reaches the oil outlet channel through the through hole of the oil receiving groove of the valve core, and the oil is discharged, when the cam is away from the pump core, the reset spring of the pump core resets the pump core, and the valve core spring resets the valve core, at this time, the oil inlet of the pump body sucks oil from the oil tank to fill the quantitative chamber, and the next pump core oil discharge operation is continuously waited.

[0015] In the utility model, the pump body is in threaded cooperation with the adjusting valve core seat, and the adjusting valve core seat is fixedly connected with the hexagon nut, by rotating the hexagon nut, the valve core is driven to rotate clockwise or counterclockwise to adjust the size of the quantitative chamber, thereby meeting the flexible adjustment of the oil discharge amount.

[0016] Of course, any product implementing the utility model does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0018] Figure 1 It is a whole structure schematic view of a novel lubricating pump oil outlet structure with adjustable oil discharge amount;

[0019] Figure 2 It is a right view of a novel lubricating pump oil outlet structure with adjustable oil discharge amount;

[0020] Figure 3 It is Figure 2 A-A section view.

[0021] In the drawings, the component list represented by each sign is as follows:

[0022] 1, pump body;2, valve core;3, adjusting valve core seat;4, adjusting valve core nut;5, hinged joint;6, adjusting valve core spring;7, pump core;8, valve core spring seat;9, reset spring;10, hexagon nut;11, oil inlet;12, O-shaped sealing ring A;13, O-shaped sealing ring B;14, oil outlet channel;15, sealing groove;16, oil delivery groove;17, oil delivery port;18, oil receiving groove. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the present application.

[0024] In the description of the present application, it should be understood that the terms "upper", "middle", "outer", "inner" and the like indicate the orientation or positional relationship, and are only used to facilitate the description of the present application and simplify the description, and do not indicate or imply that the components or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation of the present application.

[0025] In the description of the present application, it should be noted that, unless otherwise explicitly specified and limited, the terms "mounting", "provided with", "connected" and the like should be understood in a broad sense, for example, "connected" can be fixedly connected, or can be detachably connected, or integrally connected; can be mechanically connected, or can be electrically connected; can be directly connected, or can be indirectly connected through an intermediate medium; can be internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0026] Please refer to Figures 1-3As shown, the utility model is a novel lubricating pump oil outlet structure of adjustable oil output, including pump body 1, pump body 1 columnar structure, the middle part of the right end surface of pump body 1 is equipped with movable cavity, movable cavity is equipped with piston cavity, movable cavity is connected with piston cavity, and piston cavity penetrates the left end surface of pump body 1;Pump body 1 left end circumferential surface is equipped with several oil inlets 11, and pump core 7 and valve core 2 are installed in piston cavity, the left end of pump core 7 is fixed with step, and valve core spring seat 8 is installed in the right end surface of step, spring step is equipped in the left end surface of pump body 1, and spring step is connected with valve core spring seat 8 through reset spring 9;Reset spring 9 is sleeved on the circumferential surface of pump core 7;Pump body 1 circumferential surface middle part is fixed with hexagonal projection, and two sealing grooves 15 and an oil delivery groove 16 are equipped in the circumferential surface of the right end of pump body 1, and the oil delivery groove 16 is located between the two sealing grooves 15, a plurality of oil delivery ports 17 are formed in the inner circumferential surface of oil delivery groove 16, and the oil delivery groove 16 is communicated with movable cavity through oil delivery port 17;Two sealing grooves 15 are all installed with O-shaped sealing ring A12, and the circumferential surface of the right end of pump body 1 is sleeved with articulated joint 5, and the left end surface of articulated joint 5 is abutted with the right end surface of hexagonal projection;The right end surface of articulated joint 5 is flush with the right end surface of pump body 1;The circumferential surface of articulated joint 5 is symmetrically provided with oil outlet channel 14, and the oil outlet channel 14 is communicated with oil delivery groove 16;Adjusting valve core seat 3 is threadedly connected in movable cavity, and the circumferential surface of adjusting valve core seat 3 is sequentially provided with external thread, oil delivery groove, inner sealing groove and hexagonal nut 10 from left to right;O-shaped sealing ring B13 is arranged in inner sealing groove;Adjusting valve core seat 3 is fixedly connected with hexagonal nut 10, and the position of oil delivery groove is adapted to oil delivery port 17;Oil delivery through-hole is formed in oil delivery groove;Spring groove is formed in the left end surface of adjusting valve core seat 3, adjusting valve core spring 6 is fixed in spring groove, one end of adjusting valve core spring 6 is abutted with the right end of valve core 2, and the stroke of adjusting valve core is influenced by the tightness of adjusting spring;Adjusting valve core nut 4 is nested on the circumferential surface of valve core 2, and the circumferential surface of adjusting valve core nut 4 is threadedly matched with the inner wall of spring groove of adjusting valve core seat 3.

[0027] Wherein, the shape and size of pump core 7 are adapted to piston groove, and piston structure is formed between pump core 7 and piston groove.

[0028] Wherein, the middle part of the left end surface of valve core 2 is equipped with oil receiving groove 18, and through hole is formed in the circumferential surface of oil receiving groove 18, and valve core 2 is slidably fitted between piston cavity.

[0029] Wherein, the right end of the circumferential surface of valve core 2 is provided with limit ring, and the left end surface of limit ring is abutted with the right end surface of adjusting valve core nut 4.

[0030] Wherein, the inner thread is arranged on the left inner wall of movable cavity, and the inner thread of movable cavity is matched with the external thread of adjusting valve core seat 3, and the thread cooperation is formed between pump body 1 and adjusting valve core seat 3.

[0031] Wherein, O-shaped sealing ring B13 is abutted with the right inner part of movable cavity of pump body 1 to form sealing structure.

[0032] Please refer to Figures 1-3 As shown in the figure, the working principle of the lubricating pump oil outlet structure of the embodiment is as follows: when the cam is rotated by the motor (not in the patent), the pump core 7 moves reciprocally, when the pump core 7 moves to the right, the oil in the quantitative chamber is pushed, thereby pushing the valve core 2, and finally the oil in the quantitative chamber reaches the oil outlet channel 14 through the through hole of the oil receiving groove 18 of the valve core 2 to be discharged, when the cam is away from the pump core 7, the reset spring 9 of the pump core 7 resets the pump core 7, and the valve core spring 6 resets the valve core 2, at this time, the oil inlet 11 of the pump body 1 sucks oil from the oil tank to fill the quantitative chamber, and the next pump core 7 oil discharge action is continued to wait.

[0033] It needs to be further explained that the chamber between the pump core 7 and the valve core 2 is a quantitative chamber, after loosening the hexagonal nut 10, the valve core 2 is rotated clockwise or counterclockwise (rotated by the right end of the hexagonal wrench) to adjust the size of the quantitative chamber.

[0034] In the description of the specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in combination with the embodiment or example are contained in at least one embodiment or example of the utility model. In the specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0035] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details, nor limit the utility model to the specific embodiments described. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and describes these embodiments in order to better explain the principles and practical application of the utility model, so that the skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the whole scope and equivalents thereof.

Claims

1. A novel adjustable oil output structure of a lubricating pump, comprising a pump body (1), characterized in that: The pump body (1) is columnar structure, the middle part of the right end surface of the pump body (1) is provided with a movable cavity, the movable cavity is provided with a piston cavity, the movable cavity is communicated with the piston cavity, and the piston cavity penetrates the left end surface of the pump body (1); a plurality of oil inlet ports (11) are formed in the left end surface of the pump body (1), the piston cavity is provided with a pump core (7) and a valve core (2), the left end of the pump core (7) is fixedly provided with a step, the right end surface of the step is in contact with a valve core spring seat (8), the left end surface of the pump body (1) is provided with a spring step, the spring step is connected with the valve core spring seat (8) through a reset spring (9); the reset spring (9) is sleeved on the peripheral surface of the pump core (7); the middle part of the peripheral surface of the pump body (1) is fixedly provided with a hexagonal protrusion, the right end peripheral surface of the pump body (1) is provided with two sealing grooves (15) and an oil conveying groove (16), the oil conveying groove (16) is located between the two sealing grooves (15), the inner peripheral surface of the oil conveying groove (16) is provided with a plurality of oil conveying ports (17), and the oil conveying groove (16) is communicated with the movable cavity through the oil conveying ports (17); the two sealing grooves (15) are both provided with O-shaped sealing rings A (12), the right end peripheral surface of the pump body (1) is sleeved with a hinged joint (5), and the left end surface of the hinged joint (5) is in abutment with the right end surface of the hexagonal protrusion; the right end surface of the hinged joint (5) is flush with the right end surface of the pump body (1); the peripheral surface of the hinged joint (5) is symmetrically provided with oil outlet channels (14), the oil outlet channels (14) are communicated with the oil conveying groove (16); the movable cavity is threadedly connected with an adjusting valve core seat (3), the peripheral surface of the adjusting valve core seat (3) is sequentially provided with an external thread, an oil conveying groove, an inner sealing groove and a hexagonal nut (10) from left to right; the inner sealing groove is provided with an O-shaped sealing ring B (13); the adjusting valve core seat (3) is fixedly connected with the hexagonal nut (10), the position of the oil conveying groove is adapted to the oil conveying port (17); the oil conveying groove is provided with an oil conveying through hole; the left end surface of the adjusting valve core seat (3) is provided with a spring groove, the spring groove is fixedly provided with an adjusting valve core spring (6), one end of the adjusting valve core spring (6) is in abutment with the right end of the valve core (2), the peripheral surface of the valve core (2) is nested with an adjusting valve core nut (4), and the peripheral surface of the adjusting valve core nut (4) is threadedly matched with the inner wall of the spring groove of the adjusting valve core seat (3).

2. A novel lubricating pump oil outlet structure with adjustable oil outlet amount according to claim 1, characterized in that, The shape and size of the pump core (7) are adapted to the piston groove, and the pump core (7) and the piston groove form a piston structure.

3. A novel lubricating pump oil outlet structure with adjustable oil outlet amount according to claim 1, characterized in that, The middle part of the left end surface of the valve core (2) is provided with an oil receiving groove (18), the peripheral surface of the oil receiving groove (18) is provided with a through hole, and the valve core (2) is slidably connected with the piston cavity.

4. The novel lubricating pump oil outlet structure with adjustable oil outlet amount according to claim 1, characterized in that, The right end of the peripheral surface of the valve core (2) is provided with a limiting ring, and the left end surface of the limiting ring is in abutment with the right end surface of the adjusting valve core nut (4).

5. A novel lubricating pump oil outlet structure with adjustable oil outlet amount according to claim 1, characterized in that, The left inner wall of the movable cavity is provided with an internal thread, the internal thread of the movable cavity is matched with the external thread of the adjusting valve core seat (3), and the pump body (1) is threadedly connected with the adjusting valve core seat (3).

6. A novel lubricating pump oil outlet structure with adjustable oil outlet amount according to claim 1, characterized in that, The O-shaped sealing ring B (13) is in abutment with the right side of the movable cavity of the pump body (1) to form a sealing structure.

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