Miniature inflator pump machine core with gear box and miniature inflator pump

Abstract

The utility model relates to a miniature inflator pump machine core with a gear box and a miniature inflator pump, the miniature inflator pump machine core with the gear box comprises the gear box, a power assembly and an air cylinder assembly, the gear box comprises a reduction gear, and the reduction gear is rotatably connected to a base plate; the power assembly is installed on the base plate and used for driving the reduction gear to rotate. The air cylinder assembly comprises an air cylinder barrel and a piston connecting rod, the air cylinder barrel is connected with the base plate, one end of the piston connecting rod is connected with the reduction gear, and the other end of the piston connecting rod is inserted into the air cylinder barrel. According to the sizes of the miniature inflator pump machine core with the gear box, the length ranges from 60 mm to 70 mm, the width ranges from 40 mm to 50 mm, and the height ranges from 25 mm to 30 mm. According to the mini-type inflator pump machine core with the gear box, one end of the piston connecting rod is arranged on the air cylinder barrel in a sliding mode along with rotation of the reduction gear, and inflation is achieved; the power assembly drives the reduction gear to rotate, the reduction gear drives the piston connecting rod to operate, high-pressure starting is achieved, and energy consumption is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of inflator pump, especially to a miniature inflator pump movement with gear box and miniature inflator pump. BACKGROUND

[0002] The inflator pump is also called inflator, inflator pump or inflator, which is a kind of electric inflator tool, and has been widely used in the fields of automobile, motorcycle, bicycle, rubber ball and rubber boat. At present, the miniature inflator pump is generally driven by the motor to slide the connecting rod in the cylinder barrel. However, the direct drive mode cannot start the inflator pump at high pressure, and the current is large and the energy consumption is high. UTILITY MODEL CONTENTS

[0003] Therefore, it is necessary to provide a miniature inflator pump movement with gear box and inflator pump for the above problems.

[0004] The miniature inflator pump movement with gear box comprises a gear box, a power assembly and a cylinder assembly. The gear box comprises a base plate and a speed reducer, and the speed reducer is rotatably connected to the base plate. The power assembly is installed on the base plate, and the power assembly is used to drive the speed reducer to rotate. The cylinder assembly comprises a cylinder barrel and a piston connecting rod. The cylinder barrel is connected to the base plate, one end of the piston connecting rod is connected to the speed reducer, and the other end of the piston connecting rod is inserted into the cylinder barrel. The one end of the piston connecting rod slides in the cylinder barrel with the rotation of the speed reducer. The size of the miniature inflator pump movement with gear box is as follows: the length is 60-70mm, the width is 40-50mm, and the height is 25-30mm.

[0005] In one embodiment, the gear box further comprises a support plate, the support plate is installed on the base plate, and the cylinder barrel is installed on the support plate. The base plate and the support plate form a containing cavity to contain the speed reducer.

[0006] In one embodiment, the support plate comprises a bearing part and a plurality of vertical rod parts. One end of each vertical rod part abuts against the bearing part, and the other end abuts against the base plate. The cylinder barrel is installed on the bearing part.

[0007] In one embodiment, the base plate comprises a bottom plate part and a plurality of support column parts. One end of each support column part abuts against the bottom plate part, and the other end abuts against the support plate.

[0008] In one embodiment, the power assembly comprises a power element and a driving wheel. The power element is installed on the side of the base plate away from the support plate, and the power element is used to drive the driving wheel to rotate. The driving wheel is contained in the containing cavity, and the driving wheel is engaged with the speed reducer.

[0009] In one of the embodiments, the power element is a brushless motor.

[0010] In one of the embodiments, the gear box further comprises a cam and a transmission shaft, the cam is rotationally connected to the support plate, the transmission shaft is sequentially arranged through the cam, the support plate, the reduction gear and the base plate; one end of the piston connecting rod is rotationally connected to an eccentric position of the cam.

[0011] In one of the embodiments, one end of the cylinder barrel is provided with a clearance slot for accommodating the cam.

[0012] In one of the embodiments, the cylinder barrel comprises a pad plate part and a cylinder part, the pad plate part is installed on the support plate, and the clearance slot is arranged on the pad plate part; the cylinder part is installed on the pad plate part, and the piston connecting rod is slidably arranged in the cylinder part.

[0013] A miniature inflator pump comprising the above-mentioned miniature inflator pump movement with gear box.

[0014] Compared with the prior art, the miniature inflator pump movement with gear box has the following beneficial effects:

[0015] The miniature inflator pump movement with gear box has the following beneficial effects: BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The assembly structure diagram of the miniature inflator pump movement with gear box is shown in one of the embodiments of the utility model;

[0017] Figure 2 The Figure 1 The sectional view along line A-A;

[0018] Figure 3 The Figure 1 The exploded view of the miniature inflator pump movement with gear box is shown, wherein the cylinder barrel and the cylinder cover are not shown.

[0019] The meanings of the reference signs in the drawings are as follows:

[0020] 100, miniature inflator pump movement with gear box;

[0021] 10, gear box; 11, base plate; 110, accommodating cavity; 111, bottom plate part; 112, support column part; 12, reduction gear; 13, support plate; 131, bearing part; 132, vertical rod part; 123, limiting part; 14, cam; 15, transmission shaft; 16, first bearing; 17, second bearing;

[0022] 20, power assembly; 21, power element; 22, driving wheel; 30, cylinder assembly; 31, cylinder barrel; 310, accommodating groove; 311, pad portion; 312, barrel portion; 32, piston connecting rod; 33, third bearing; 34, rotating shaft; 35, cylinder cover. DETAILED DESCRIPTION

[0023] In order to make the above objectives, characteristics and advantages of the present application more apparent, specific embodiments of the present application will be described in detail below with reference to the drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application. It will be apparent, however, to one skilled in the art that the present application can be practiced in a variety of ways beyond the specific embodiments described herein without departing from the spirit of the present application. Accordingly, the present application is not limited to the specific embodiments set forth below.

[0024] In the description of the present application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0025] In addition, the terms "first", "second", "third", etc. are only used for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features referred to. Therefore, the features defined with "first", "second", etc. can explicitly or implicitly include at least one of the features. In the description of the present application, the meaning of "a plurality of" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0026] In the present application, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements, unless otherwise specifically limited. 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.

[0027] In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be direct contact between the first and second features, or indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0028] It should be noted that when an element is referred to as "fixed to" or "provided on" another element, it can be directly on another element or there can be a middle element. When an element is considered to be "connected" to another element, it can be directly connected to another element or there can be a middle element. The terms "vertical", "horizontal", "up", "down", "left", "right" and similar expressions used herein are for illustrative purposes only and are not the only embodiment.

[0029] Please refer to Figures 1 to 3 , the utility model discloses a micro air pump of one embodiment, including the micro air pump movement 100 of gear box with, the micro air pump movement 100 of gear box with including gear box 10, power assembly 20 and cylinder assembly 30, gear box 10 includes base plate 11 and reduction gear 12, and reduction gear 12 is rotatably connected to base plate 11;Power assembly 20 is installed on base plate 11, and power assembly 20 is used to drive reduction gear 12 to rotate;Cylinder assembly 30 includes cylinder barrel 31 and piston connecting rod 32, and cylinder barrel 31 is connected to base plate 11, and one end of piston connecting rod 32 is connected to reduction gear 12, and the other end is inserted in cylinder barrel 31, and one end of piston connecting rod 32 is slid in cylinder barrel 31 with the rotation of reduction gear 12;The size of the micro air pump movement 100 of gear box with is as follows: the length is 60mm-70mm, the width is 40mm-50mm, and the height is 25mm-30mm.The micro air pump movement 100 of gear box with is slid in cylinder barrel 31 with the rotation of reduction gear 12 through one end of piston connecting rod 32, realizes inflation;Power assembly 20 drives reduction gear 12 to rotate, and reduction gear 12 drives piston connecting rod 32 to work, realizes high pressure start, and reduces energy consumption.

[0030] As Figures 1 to 3As shown, in the embodiment, the gear box assembly 10 comprises a base plate 11 and a reduction gear 12, the reduction gear 12 is rotatably connected to the base plate 11; optionally, the gear box assembly 10 further comprises a support plate 13, the support plate 13 is installed on the base plate 11, and a containing cavity 110 is formed between the base plate 11 and the support plate 13 to accommodate the reduction gear 12. Further, the base plate 11 comprises a bottom plate portion 111 and a plurality of support column portions 112, one end of each support column portion 112 abuts against the bottom plate portion 111, and the other end abuts against the support plate 13; further, the support plate 13 comprises a bearing portion 131 and a plurality of vertical rod portions 132, one end of each vertical rod portion 132 abuts against the bearing portion 131, and the other end abuts against the base plate 11; in an embodiment, the support plate 13 further comprises a limiting portion 133 connected to one end of the vertical rod portion 132, the limiting portion 133 corresponds to the vertical rod portion 132 one by one, the vertical rod portion 132 abuts against the base plate 11 to play a supporting role, and the limiting portion 133 is inserted into the base plate 11 to facilitate positioning assembly; in an embodiment, the support column portion 112 and the vertical rod portion 132 are arranged in a staggered manner to ensure that sufficient supporting force is provided; one end of the support column portion 112 abuts against the bearing portion 131, and one end of the vertical rod portion 132 abuts against the bottom plate portion 111; the bearing portion 131 and the support column portion 112 are fixed by screws.

[0031] In an embodiment, the gear box assembly 10 further comprises a cam 14 and a transmission shaft 15, the cam 14 is rotatably connected to the support plate 13, and the transmission shaft 15 is sequentially arranged through the cam 14, the support plate 13, the reduction gear 12 and the base plate 11; the transmission shaft 15 is driven to rotate by the reduction gear 12, and then the cam 14 is driven to rotate synchronously by the transmission shaft 15. The gear box assembly 10 further comprises a first bearing 16 and a second bearing 17, the first bearing 16 is installed on the base plate 11, and the second bearing 17 is installed on the support plate 13, and the transmission shaft 15 is arranged through the first bearing 16 and the second bearing 17; optionally, the first bearing 16 is installed on the bottom plate portion 111, and the second bearing 17 is installed on the bearing portion 131.

[0032] Please refer to Figures 1 to 3 , the power assembly 20 is installed on the base plate 11, and the power assembly 20 is used to drive the reduction gear 12 to rotate; optionally, the power assembly 20 comprises a power element 21 and a driving wheel 22, the power element 21 is installed on one side of the base plate 11 away from the support plate 13, and the driving wheel 22 is installed on the output end of the power element 21, the power element 21 is used to drive the driving wheel 22 to rotate, and the driving wheel 22 drives the reduction gear 12 to rotate synchronously; the driving wheel 22 is accommodated in the containing cavity 110, and the driving wheel 22 is engaged with the reduction gear 12. Further, the power element 21 is a brushless motor.

[0033] Please refer to Figures 1 to 3The cylinder assembly 30 comprises a cylinder barrel 31 and a piston connecting rod 32. The cylinder barrel 31 is connected to the base plate 11. One end of the piston connecting rod 32 is connected to the reduction gear 12, and the other end is inserted into the cylinder barrel 31. The one end of the piston connecting rod 32 is slidably arranged in the cylinder barrel 31 along with the rotation of the reduction gear 12, thereby realizing air inflation. Optionally, the cylinder barrel 31 is mounted on the support plate 13. Further, the cylinder barrel 31 is mounted on the bearing part 131. One end of the cylinder barrel 31 is provided with a clearance slot 310 for accommodating the cam 14. Further, the cylinder barrel 31 comprises a pad part 311 and a barrel part 312. The pad part 311 is mounted on the support plate 13, and the clearance slot 310 is arranged on the pad part 311. The barrel part 312 is mounted on the pad part 311, and the piston connecting rod 32 is slidably arranged in the barrel part 312. The pad part 311 and the bearing part 131 are fixed by screws, thereby facilitating assembly. In an embodiment, one end of the piston connecting rod 32 is rotatably connected to an eccentric position of the cam 14. Along with the rotation of the cam 14, the one end of the piston connecting rod 32 reciprocally slides in the barrel part 312. In an embodiment, the cylinder assembly 30 further comprises a third bearing 33 and a rotating shaft 34. The third bearing 33 is mounted on one end of the piston connecting rod 32, and the rotating shaft 34 penetrates the third bearing 33 and the cam 14. The cylinder assembly 30 further comprises a cylinder cover 35 mounted on the air outlet end of the cylinder barrel 31.

[0034] In other embodiments, the reduction gear box assembly 10 does not comprise the cam 14. The rotating shaft 34 penetrates the third bearing 33 and an eccentric position of the reduction gear 12. The support plate 13 does not block the reduction gear 12. The piston connecting rod 32 slides in the cylinder barrel 31 along with the rotation of the reduction gear 12. Optionally, the reduction gear 12 is provided with a plurality of weight-reducing holes, thereby playing a counterweight role.

[0035] The size of the gear box-equipped miniature air pump movement 100 is: length 60-70 mm, width 40-50 mm, and height 25-30 mm, which is compact in structure and small in volume.

[0036] In use, the power element 21 drives the driving wheel 22 to rotate, the driving wheel 22 drives the reduction gear 12 to rotate synchronously, the cam 14 is driven by the transmission shaft 15 to rotate synchronously, with the rotation of the cam 14, one end of the piston connecting rod 32 reciprocatingly slides in the cylinder barrel 312, so that the inflation is realized, the high-pressure starting is realized, and the energy consumption is reduced. The support plate 13 is installed on the base plate 11 to form a layered structure; the power element 21 is installed below the base plate 11, the reduction gear 12 and the driving wheel 22 are contained in the containing cavity 110, and the cylinder barrel 31 is installed on the support plate 13, so that the overall volume is reduced; the overall vibration is reduced through the cam 14, the strut part 112 abuts against the bearing part 131, and the vertical rod part 132 abuts against the bottom plate part 111, so that the structure is firm. The transmission shaft 15 penetrates the support plate 13, the reduction gear 12 and the base plate 11, and the reduction gear 12 is firmly fixed. The base plate 11, the support 12 and the reduction gear 12 are all arranged horizontally.

[0037] The miniature inflator pump movement 100 with the gear box of the utility model realizes the inflation through one end of the piston connecting rod 32 sliding in the cylinder barrel 31 with the rotation of the reduction gear 12; the reduction gear 12 is driven by the power assembly 20 to rotate, the piston connecting rod 32 is driven by the reduction gear 12 to operate, the high-pressure starting is realized, and the energy consumption is reduced; the miniature inflator pump movement 100 with the gear box of the utility model is small in size and low in energy consumption.

[0038] The technical features of the above-described embodiments can be combined in any manner, and to make the description concise, all possible combinations of the technical features in the above-described embodiments are not described, however, as long as the combinations of the technical features do not exist contradictory, it should be considered that the combinations are within the scope of the present application.

[0039] The above-described embodiments only express several implementation manners of the utility model, the description is more specific and detailed, but it should not be understood as the limitation of the utility model patent scope. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of modifications and improvements can be made, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A micro inflator pump movement with a gear box, characterized in that, The gear box comprises a base plate and a reduction gear, the reduction gear is rotationally connected to the base plate; the power assembly is installed on the base plate, and the power assembly is used to drive the reduction gear to rotate; the cylinder assembly comprises a cylinder barrel and a piston connecting rod, the cylinder barrel is connected to the base plate, one end of the piston connecting rod is connected to the reduction gear, and the other end of the piston connecting rod is inserted into the cylinder barrel, and the one end of the piston connecting rod is slidably arranged in the cylinder barrel along with the rotation of the reduction gear; the size of the miniature inflator pump movement with the gear box is: the length is 60-70 mm, the width is 40-50 mm, and the height is 25-30 mm.

2. A micro air pump movement with a gearbox according to claim 1, characterized in that, The gear box further comprises a support plate, the support plate is installed on the base plate, and the cylinder barrel is installed on the support plate; the base plate and the support plate form a containing cavity to contain the reduction gear.

3. A micro air pump movement with a gear box according to claim 2, characterized in that, The support plate comprises a bearing part and a plurality of vertical rod parts, one end of each vertical rod part abuts against the bearing part, and the other end abuts against the base plate; the cylinder barrel is installed on the bearing part.

4. The micro air pump movement with a gear box according to claim 2, characterized in that, The base plate comprises a bottom plate part and a plurality of support column parts, one end of each support column part abuts against the bottom plate part, and the other end abuts against the support plate.

5. The micro air pump movement with a gearbox according to claim 2, characterized in that, The power assembly comprises a power element and a driving wheel, the power element is installed on the side of the base plate away from the support plate, and the power element is used to drive the driving wheel to rotate; the driving wheel is contained in the containing cavity, and the driving wheel is engaged with the reduction gear.

6. A micro air pump movement with a gear box according to claim 5, characterized in that, The power element is a brushless motor.

7. The micro air pump movement with a gear box according to claim 2, characterized in that, The gear box further comprises a cam and a transmission shaft, the cam is rotationally connected to the support plate, the transmission shaft is sequentially arranged through the cam, the support plate, the reduction gear and the base plate; one end of the piston connecting rod is rotationally connected to the eccentric position of the cam.

8. A micro air pump movement with a gearbox according to claim 7, characterized in that, One end of the cylinder barrel is provided with a clearance groove to contain the cam.

9. A micro air pump movement with a gearbox according to claim 8, characterized in that, The cylinder barrel comprises a pad part and a barrel part, the pad part is installed on the support plate, and the clearance groove is arranged on the pad part; the barrel part is installed on the pad part, and the piston connecting rod is slidably arranged in the barrel part.

10. A micro-inflator pump characterized by, The miniature inflator pump movement with the gear box comprises any one of claims 1-9.

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