CN216842101U

CN216842101U - Inflating pump

Info

Publication number: CN216842101U
Application number: CN202220386096.XU
Authority: CN
Inventors: 叶东来
Original assignee: Yongkang Xionger Technology Co ltd
Current assignee: Yongkang Xionger Technology Co ltd
Priority date: 2022-02-24
Filing date: 2022-02-24
Publication date: 2022-06-28
Anticipated expiration: 2032-02-24

Abstract

The utility model discloses an inflator pump, which comprises a bracket, driving motor, transmission assembly, cylinder body and connecting rod, driving motor, transmission assembly and cylinder body are all installed on the support, the cylinder body both ends are link up, the level is equipped with the baffle in the cylinder body, the baffle separates the inner chamber of cylinder body for acceping chamber and air outlet channel, be equipped with on the baffle and accept the gas outlet that chamber and air outlet channel all communicate, the one end of connecting rod is provided with the piston, driving motor drives the connecting rod together with the piston in acceping intracavity reciprocating motion through transmission assembly, the detection channel who communicates with air outlet channel has been seted up in air outlet channel's the wall body, install the circuit board on the lateral wall of cylinder body, install the sensor on the circuit board, the sensor correspondence is installed in detection channel. The utility model discloses an inflator pump has reduced the middle transition part of conduction air current, has reduced gas leakage point, uses more reliably to, reduced the installation degree of difficulty, simplified assembly process, greatly reduced manpower and material resources cost.

Description

Inflating pump

Technical Field

The utility model relates to an aerify technical field, in particular, relate to an inflator pump.

Background

The inflator pump is used for inflating equipment, and when the inflator pump works, the motor drives the connecting rod to reciprocate in the cylinder body, and the piston connected with the connecting rod is matched with the cylinder body, so that air is extruded from the air outlet. In order to control the output pressure, a sensor for detecting the pressure needs to be mounted on the inflator. At present, the pump on the market, generally be in the external long tube of gas outlet department, the long tube with atmospheric pressure guide to the sensor on in order to carry out atmospheric pressure and detect, and in the in-service use process, the setting of long tube has increased gas leakage point, uses the reliability low, and has provided higher requirement to assembly technique, greatly increased manpower and material resources cost.

SUMMERY OF THE UTILITY MODEL

The utility model discloses the technical problem that will solve is: to overcome the above-mentioned deficiencies of the prior art, an inflator pump is provided that is reliable and cost effective to use.

The utility model provides a technical scheme that its technical problem adopted is: the utility model provides an inflator pump, includes support, driving motor, drive assembly, cylinder body and connecting rod, driving motor, drive assembly and cylinder body are all installed on the support, the cylinder body both ends are link up, the level is equipped with the baffle in the cylinder body, the baffle will the inner chamber of cylinder body is separated and is acceptd chamber and air outlet channel, be equipped with on the baffle with accept the gas outlet that chamber and air outlet channel all communicate, the one end of connecting rod is provided with the piston, driving motor passes through the drive assembly drive the connecting rod with the piston in accept intracavity reciprocating motion, set up in the wall body of air outlet channel with the detection channel of air outlet channel intercommunication, install the circuit board on the lateral wall of cylinder body, install the sensor on the circuit board, the sensor correspondence is installed in the detection channel.

Further, the outer wall of the cylinder body is inwards sunken to form a positioning groove, a positioning column is arranged on the circuit board in an upwards protruding mode, the positioning column is matched with the positioning groove, and the circuit board is detachably connected with the cylinder body.

Further, a sealing element is arranged on the inner wall of the detection channel, and the sensing end of the sensor penetrates through the sealing element in a sealing mode.

Further, be provided with the heat insulating part on the air outlet channel, seted up the venthole on the lower terminal surface of heat insulating part, the heat insulating part is made by the silica gel material.

Further, a one-way valve is mounted on the air outlet.

Furthermore, the body of the driving motor is fixedly mounted on the support, the transmission assembly comprises a gear fixedly connected to an output shaft of the driving motor and a fluted disc rotatably mounted on the support, the gear is engaged with the fluted disc, an eccentric shaft is connected to the fluted disc, and one end of the connecting rod, which is opposite to the piston, is rotatably sleeved outside the eccentric shaft.

Further, a bearing is arranged between the central shaft of the fluted disc and the support.

Further, the outer diameter of the piston is smaller than the diameter of the containing cavity, a sealing ring is fixedly sleeved outside the piston and is in sliding connection with the wall of the containing cavity in a sealing mode.

Further, the cylinder, the gear and the fluted disc are all made of plastics.

Further, the bracket is integrally formed with the cylinder body.

The utility model has the advantages that: the utility model provides an inflator pump, gaseous through setting up the detection channel on the cylinder body act on the sensor, with the traditional mode that carries out the air current conduction through middle transition parts such as long tube or sensor support, reduced the gas leakage point, use more reliably to, reduced the installation degree of difficulty, simplified assembly process, greatly reduced manpower and material resources cost.

Drawings

The present invention will be further explained with reference to the drawings and examples.

FIG. 1 is a perspective view of the inflator of the present invention;

FIG. 2 is a perspective view of the inflator shown in FIG. 1 from another perspective;

FIG. 3 is a front view of the inflator shown in FIG. 1;

FIG. 4 is a cross-sectional view A-A of the inflator shown in FIG. 3;

FIG. 5 is an enlarged view of a portion of the inflator shown in FIG. 4 at B.

In the figure: 1. the device comprises a support, 2, a driving motor, 3, a transmission assembly, 31, a gear, 32, a fluted disc, 321, an eccentric shaft, 322, a central shaft, 323, a bearing, 4, a cylinder body, 41, a partition plate, 42, a containing cavity, 43, an air outlet channel, 44, an air outlet, 45, a detection channel, 451, a sealing element, 46, a circuit board, 461, a positioning column, 47, a sensor, 48, a positioning groove, 5, a connecting rod, 51, a piston, 511, a sealing ring, 6, a heat insulation element, 61, an air outlet hole, 62 and a one-way valve.

Detailed Description

The present invention will now be described in detail with reference to the accompanying drawings. This figure is a simplified schematic diagram, and merely illustrates the basic structure of the present invention in a schematic manner, and therefore it shows only the constitution related to the present invention.

Referring to fig. 1-5, the present invention provides an inflator pump, which comprises a frame 1, a driving motor 2, and a transmission assembly 3, the cylinder body 4 and the connecting rod 5, the driving motor 2, the transmission assembly 3 and the cylinder body 4 are all installed on the support 1, two ends of the cylinder body 4 are communicated, a partition plate 41 is horizontally arranged in the cylinder body 4, the partition plate 41 divides an inner cavity of the cylinder body 4 into an accommodating cavity 42 and an air outlet channel 43, an air outlet 44 communicated with the accommodating cavity 42 and the air outlet channel 43 is arranged on the partition plate 41, a piston 51 is arranged at one end of the connecting rod 5, the driving motor 2 drives the connecting rod 5 and the piston 51 to reciprocate in the accommodating cavity 42 through the transmission assembly 3, a detection channel 45 communicated with the air outlet channel 43 is formed in a wall body of the air outlet channel 43, a circuit board 46 is installed on the outer side wall of the cylinder body 4, a sensor 47 is installed on the circuit board 46, and the sensor 47 is correspondingly installed in the detection channel 45.

The utility model discloses an inflator pump, during the use, driving motor 2 passes through the activity of 3 drive connecting rods of transmission assembly 5 and then drives piston 51 along the axial reciprocating motion of cylinder body 4, when the space of chamber 42 is acceptd in the compression of piston 51, enters into to gas outlet channel 43 and detecting channel 45 through gas outlet 44 after the gas pressurized in, enters into the gas action in detecting channel 45 and acts on sensor 47, and at this moment, sensor 47 just can detect gas pressure to the convenience is controlled gas outlet pressure. The utility model discloses an inflator pump, the sensor that will be used for gathering atmospheric pressure is integrated to cylinder body 4 on, has reduced middle transition part such as long tube or sensor support among the traditional structure, has reduced gas leakage point, uses more reliably to, reduced the installation degree of difficulty, simplified assembly process, greatly reduced manpower and material resources cost.

Specifically, referring to fig. 5, the outer wall of the cylinder 4 is recessed inward to form a positioning groove 48, the circuit board 46 is protruded with a positioning column 461, the positioning column 461 is matched with the positioning groove 48, and the circuit board 46 is detachably connected with the cylinder 4. When the circuit board 46 is installed, the positioning posts 461 are inserted into the positioning slots 48 in opposite positions, so as to position the installation position of the circuit board 46, and then the circuit board 46 is installed on the cylinder 4, and after the circuit board 46 is installed in place, the sensor 47 is just located in the detection channel 45. In the present embodiment, the circuit board 46 and the cylinder 4 are connected and fixed by bolts. In other embodiments, not shown, the circuit board 46 may also be detachably connected to the cylinder block 4 by means of a snap fit or the like.

In order to avoid gas leakage and influence on the working accuracy of the sensor 47, a sealing element 451 is arranged on the inner wall of the detection channel 45, and the sensing end of the sensor 47 penetrates through the sealing element 451 in a sealing manner. The sealing member 451 is made of silicone or rubber material.

In addition, the air outlet channel 43 is provided with a heat insulation part 6, the heat insulation part 6 is of a sleeve-shaped structure, the lower end face of the heat insulation part 6 is provided with an air outlet 61, and the heat insulation part 6 is made of a silica gel material so as to play a good heat insulation effect and prevent the heat generated when the inflation pipeline is compressed by gas from being damaged.

In the present embodiment, a check valve 62 is mounted on the air outlet 44, and the check valve 62 is used to open or close the air outlet 44. The check valve 62 is opened only when the piston 51 moves upward to allow the air flow through the air outlet 44; when the piston 51 moves downward, the check valve 62 is closed and air flow cannot pass through the air outlet 44. In a particular inflation operation, the piston 51 moves the compressed gas upwardly, the gas first passing through the gas outlet 44, then through the one-way valve 62 and finally out through the gas outlet 61. In addition, in a specific embodiment, in order to realize that the housing chamber 42 sucks in the external air, an air inlet (not shown) is arranged on the side wall of the cylinder 4, the air inlet is positioned between the piston 51 and the air outlet 44, and the air inlet is communicated with the housing chamber 42, an air inlet one-way valve is arranged on the air inlet, when the piston 51 moves downwards, the air inlet one-way valve is pushed open by the external air, the external air can enter into the housing chamber 42, and when the piston 51 moves upwards, the air inlet one-way valve closes the air inlet, and the air in the housing chamber 42 cannot flow out through the air inlet one-way valve.

Referring to fig. 3 and 4, in the present embodiment, the body of the driving motor 2 is fixedly mounted on the bracket 1, the transmission assembly 3 includes a gear 31 fixedly connected to the output shaft of the driving motor 2 and a gear disc 32 rotatably mounted on the bracket 1, the gear 31 is engaged with the gear disc 32, the gear disc 32 is connected to an eccentric shaft 321, and one end of the connecting rod 5 opposite to the piston 51 is rotatably sleeved outside the eccentric shaft 321. When the device works, the driving motor 2 is started to drive the gear 31 to rotate, the gear 31 drives the fluted disc 32 to rotate, and further drives the eccentric shaft 321 to rotate together, and at the moment, the piston 51 reciprocates in the containing cavity 42 under the action of the connecting rod 5.

In order to improve the smooth rotation of the toothed plate 32, a bearing 323 is provided between the central shaft 322 of the toothed plate 32 and the bracket 1.

The outer diameter of the piston 51 is smaller than the diameter of the accommodating chamber 42, a seal ring 511 is fixedly sleeved outside the piston 51, and the seal ring 511 is in sealed slidable connection with the chamber wall of the accommodating chamber 42. The sealing ring 511 is a rubber ring or a silica gel ring. In this embodiment, the piston 51 is fixedly connected to the connecting rod 5, and when the sealing device is used, the connecting rod 5 drives the piston 51 to move, and the sealing ring 511 can deform adaptively according to the movement of the piston 51, so that the sealing performance between the piston 51 and the accommodating cavity 42 is ensured while the movement of the piston 51 is not affected. In other embodiments, not shown, the piston 51 and the connecting rod 5 may also be connected by means of an articulation.

In the present embodiment, the cylinder 4, the gear 31 and the gear plate 32 are made of high-strength plastic, which reduces the cost, weight and heat conduction compared to the conventional metal material. In addition, the bracket 1 and the cylinder body 4 are integrally formed, so that the processing is convenient, and the production cost can be controlled.

The utility model provides an inflator pump, gaseous through setting up on the detection channel 45 on cylinder body 4 acts on sensor 47, with the traditional mode that carries out conduction air current through middle transition parts such as long tube or sensor support, has reduced gas leakage point, uses more reliably to, reduced the installation degree of difficulty, simplified assembly process, greatly reduced manpower and material resources cost.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. An inflator, characterized in that: including support, driving motor, drive assembly, cylinder body and connecting rod, driving motor, drive assembly and cylinder body all install on the support, the cylinder body both ends link up, the level is equipped with the baffle in the cylinder body, the baffle will the inner chamber of cylinder body is separated and is accesss chamber and air outlet channel, be equipped with on the baffle with accept the gas outlet that chamber and air outlet channel all communicate, the one end of connecting rod is provided with the piston, driving motor passes through drive assembly drive the connecting rod with the piston in accept intracavity reciprocating motion, set up in the wall body of air outlet channel with the detection channel of air outlet channel intercommunication, install the circuit board on the lateral wall of cylinder body, install the sensor on the circuit board, the sensor correspondence is installed in the detection channel.

2. The inflator of claim 1, wherein: the circuit board is characterized in that the outer wall of the cylinder body is inwards sunken to form a positioning groove, a positioning column is arranged on the circuit board in an upwards protruding mode, the positioning column is matched with the positioning groove, and the circuit board is detachably connected with the cylinder body.

3. The inflator of claim 2, wherein: and a sealing element is arranged on the inner wall of the detection channel, and the sensing end of the sensor penetrates through the sealing element in a sealing manner.

4. The inflator of claim 1, wherein: the air outlet channel is provided with a heat insulation piece, the lower end face of the heat insulation piece is provided with an air outlet, and the heat insulation piece is made of a silica gel material.

5. The inflator of claim 1, wherein: and the air outlet is provided with a one-way valve.

6. The inflator of claim 1, wherein: the machine body of the driving motor is fixedly arranged on the support, the transmission assembly comprises a gear fixedly connected to an output shaft of the driving motor and a fluted disc rotatably arranged on the support, the gear is meshed with the fluted disc, an eccentric shaft is connected to the fluted disc, and one end, opposite to the piston, of the connecting rod is rotatably sleeved outside the eccentric shaft.

7. The inflator of claim 6, wherein: and a bearing is arranged between the central shaft of the fluted disc and the bracket.

8. The inflator of claim 1, wherein: the external diameter of piston is less than accept the diameter in chamber, the fixed cover in outside of piston is equipped with the sealing washer, the sealing washer with accept sealed slidable connection between the chamber wall in chamber.

9. The inflator of claim 6, wherein: the cylinder body, the gear and the fluted disc are all made of plastics.

10. The inflator of claim 1, wherein: the bracket and the cylinder body are integrally formed.