TWM618671U - Multi-purpose pump nozzle structure - Google Patents

Abstract

The present model provides a multi-purpose air pump structure, which comprises a shell, the shell contains a receiving space, an inner wall of the receiving space protrudes with a pressing rib, and the inner diameter defined by the pressing rib is smaller than the diameter of the inner wall Distance, the receiving space contains a receiving set, the receiving set includes a pressing member slidable in the receiving space, the outer wall of the pressing member is recessed with a pressing groove, any inside the pressing groove At least two pressing perforations are provided in the area radially; a pressing member is accommodated in the pressing groove, the pressing member is an elastic body, and the pressing member corresponds to the radial protrusion of each pressing hole There is a pressing section, and one end of each pressing section penetrates into the pressing perforation.

Description

Multi-purpose pump structure

A pump structure, especially a multi-purpose pump nozzle structure.

Bicycles are a common means of transportation in daily life, and the tires of bicycles need to be inflated from time to time to maintain the smooth and comfortable riding of the bicycle. However, depending on the type of bicycle and the brand, most of the air nozzles on the tires that accept the air pump can be classified into American air nozzles and French air nozzles. Because of the structure and pipe diameter of the French air nozzles, the structure and pipe diameter of the French air nozzles are not the same as those of American air pumps. In the same way, an inflator needs to pass through an adapter to convert the structure of the French nozzle or the American nozzle. This inflation method not only requires the use of extra parts, it is not only troublesome to assemble, but also takes up space and is difficult to store, let alone. Reducing the consumption of material costs, therefore, providing a pumping structure that can accept American-style gas nozzles and French-style gas nozzles is an urgent development goal of related manufacturing industries.

In order to develop an air pump structure that can accept American air nozzles and French air nozzles, the present invention provides a multi-purpose air pump structure. At the pressing end, an inner wall in the receiving space in the direction of the receiving end protrudes with a pressing rib, the inner diameter defined by the pressing rib is smaller than the diameter distance of the inner wall; a receiving group, the receiving group is accommodated in In the receiving space, the receiving set includes a pressing member slidable in the receiving space, the pressing member is in the shape of a middle cylinder, and the inside of the pressing member can be defined as a pressing space, and a pressing member located at the closed end of the pressing member Part corresponding to the direction of the pressing end, the outer wall of the pressing part is slidably attached to the inner wall of the pressing end; and a receiving part at the open end of the pressing member corresponds to the direction of the receiving end, and The outer diameter is slightly smaller than the pressing portion, and in the direction of the pressing end and close to the outer wall of the receiving portion of the pressing rib, a ring-shaped recess is provided with a pressing groove, and any area in the pressing groove is radially penetrated There are at least two compression perforations. The receiving portion corresponding to the compression rib radially penetrates an airflow perforation, and the airflow perforation communicates with the pressing space; a compression element is an elastic body, and the compression element can be accommodated in the In the pressing groove, corresponding to each pressing perforation, the pressing member radially protrudes with a pressing section, one end of each pressing section penetrates into the pressing perforation, and the other section of the pressing section protrudes The outer wall of the receiving portion; and, a spring is accommodated in the pressing space, one end of which abuts against the inner wall of the pressing portion, and the other end of the spring continuously provides a mouthpiece toward the receiving end One thrust.

Wherein, the mouthpiece is a middle tube, the inside of which can be defined as an air flow channel, the mouthpiece includes a vent and a mouth, the vent is placed in the direction of the pressing end and its outer wall can slide and The inner wall of the pressing space is attached, the nozzle part is placed in the direction of the receiving end, and the outer wall is smaller than the diameter of the outer wall of the vent.

Wherein, a receiving seat is in the shape of a round block, and a receiving hole is provided in the middle of the receiving seat. The mouthpiece has a thrust toward the receiving end, so that the vent of the mouthpiece can continuously abut against the receiving seat in accordance with the thrust, and the mouthpiece can penetrate the receiving hole.

Wherein, the outer wall of the pressing end of the housing includes a cam pull rod, the cam pull rod includes a cam and a pull rod protruding from the outer wall of the cam, the cam is pivotally connected to the housing at an eccentric position, and the cam outside The ring wall abuts against the outer wall of the pressing portion, a first vertical distance and a second vertical distance are generated between a pivotal joint of the cam and the housing and the outer wall of the pressing portion, and the first vertical distance is smaller than the first vertical distance Two vertical distances. When the cam pull rod is in a static state, the extension direction of the pull rod is perpendicular to the receiving space, and the first vertical distance is generated between the pivotal joint and the outer wall of the pressing portion; rotating the pull rod is in a tight state At this time, the second vertical distance is present between the pivotal joint and the outer wall of the pressing portion.

Among them, two of the pressing ribs protrude from the inner wall correspondingly.

Wherein, the pressing rib protrudes around the inner wall.

Further, the receiving hole includes a small diameter portion located in the direction of the pressing end and a large diameter portion located in the direction of the receiving end. The diameter of the inner wall of the hole of the small diameter portion is smaller than the diameter of the inner wall of the receiving portion.

Further, part of the inner wall of the receiving portion gradually slopes outward toward the open end to form an inclined section, so that the inner diameter of the receiving portion gradually enlarges toward the receiving end; the outer wall of one end of the receiving seat is formed corresponding to the inclined section There is a tapered section, so that the bearing seat can abut against the pressing member through the tapered section.

Further, an outer cover is detachably disposed on the receiving end, the outer cover is a round cover and a socket is penetrated corresponding to the position and size of the large diameter part, and the outer cover prevents the receiving assembly from falling into the receiving space out.

Further, the pressing part and the receiving part are two separate parts, and the pressing member is a plastic ring arranged between the pressing part and the receiving part.

Further, the housing includes an inflatable space, the receiving space and the inflatable space are connected to ventilate through an inflatable interface, and an air flow can enter the receiving space from the gas bottle or the inflator through the inflatable interface.

Further, the shell is presented in a similar L-shape, and the receiving space and the inflatable space are arranged correspondingly at 90 degrees, and the inner diameter cross-sections of the receiving space and the inflatable space 12 are circular.

The multi-purpose air pump structure provided by the present invention allows the mouthpiece to conform to the air nozzles of different lengths for deep and close corresponding engagement through the thrust of the spring; the pushing of the cam pull rod allows the pressing member to protrude from the The pressing space abuts against the outer wall of the nozzle portion, which can ensure that the nozzle piece is not easy to move in the pressing space, and ensure the effect and quality of the multi-purpose pump nozzle structure.

Please refer to Figures 1 and 2, which is a multi-purpose pump structure provided by the present invention, which includes a housing 10, a receiving set 20, an outer cover 30 and a cam rod 40, the housing 10 contains a receiving Space 11 and an inflatable space 12, the receiving space 11 and the inflatable space 12 are selectively ventilated by an inflatable interface 121, when a gas cylinder or an inflator passes through the free end of the inflatable space 12 and the inflatable interface When 121 is connected, an air flow can enter the receiving space 11 from the gas cylinder or the pump through the inflation interface 121. In this embodiment, the housing 10 is presented in a similar L-shape, and the receiving space 11 and the inflatable space 12 are arranged at 90 degrees corresponding to each other. Preferably, the inner diameter section of the receiving space 11 and the inflatable space 12 It is round.

Both ends of the receiving space 11 include a receiving end 111 and a pressing end 112. An inner wall 113 of the receiving space 11 and a place close to the receiving end 111 protrudes a pressing rib 114, preferably, two The urging rib 114 protrudes from the inner wall 113 correspondingly. More preferably, the urging rib 114 protrudes around the inner wall 113 so that the inner diameter defined between the urging ribs 114 is smaller than the diameter of the inner wall 113 distance.

Please refer to FIG. 5 in conjunction. The receiving set 20 is accommodated in the receiving space 11. The receiving set 20 includes a pressing member 21, a pressing member 22, a spring 23, a mouthpiece 24 and a receiving seat 25. The pressing member 21 is cylindrical and slidable in the receiving space 11, the inside of the pressing member 21 may be defined as a pressing space 216, and the pressing member 21 includes a pressing part 211 at the closed end And a receiving part 212 at the open end. Wherein, the position of the pressing portion 211 corresponds to the direction of the pressing end 112, and the outer diameter of the pressing portion 211 slidably fits the inner wall 113 of the pressing end 112; the position of the receiving portion 212 corresponds to the receiving end 111 Direction, and the outer diameter of the receiving portion 212 is smaller than the pressing portion 211, and a gap is left between part of the receiving portion 212 and the pressing portion 211, wherein the outer diameter of the receiving portion 212 is slightly smaller than that of the pressing portion 211. The inner diameter defined by the tightening rib 114 and a partial area of the receiving portion 212 in the direction of the receiving end 111 corresponds to the position of the tightening rib 114.

In the direction of the pressing end 112 and close to the outer diameter of the receiving portion 212 near the pressing rib 114, a ring-shaped recess is provided with a pressing groove 213, and any area in the pressing groove 213 is penetrated at least radially. There is one pressing hole 214. In the present embodiment, two pressing holes 214 are provided at any two corresponding positions in the pressing groove 213. The pressing member 22 is an elastic body and can be accommodated in the pressing groove 213. Preferably, the material of the pressing member 22 can be plastic. In this embodiment, the pressing member 22 is a semicircular ring An elastic body corresponding to each pressing hole 214, the pressing member 22 radially protrudes with at least two pressing sections 221, and one end of each pressing section 221 can penetrate through the pressing holes 214 , And the other section of the pressing section 221 protrudes from the outer wall of the receiving portion 212 and extends in the gap between the inner wall of the pressing end 112 and the outer wall of the receiving portion 212.

Corresponding to the receiving portion 212 of the compression rib 114, an airflow through hole 215 penetrates radially. In this embodiment, two airflow through holes 215 are correspondingly penetrated through the receiving portion 212 and communicate with the pressing space 216. The pressing portion 211 and the receiving portion 212 of the pressing member 21 may also be two separate parts, and the pressing member 22 is a plastic ring disposed between the pressing portion 211 and the receiving portion 212. The spring 23 is accommodated in the pressing space 216, one end of the spring 23 abuts against the inner wall of the pressing portion 211, and the other end of the spring 23 abuts the mouthpiece 24.

The mouthpiece 24 is a hollow tube, and the inside can be defined as an airflow channel 241. The mouthpiece 24 can move movably in the pressing space 216. The mouthpiece 24 includes a vent 242 and a connecting portion. The mouth 243, the vent 242 is located in the direction of the pressing end 112 and its outer wall is slidably attached to the inner wall of the pressing space 216, the mouth 243 is located in the direction of the receiving end 111 and its outer wall is smaller than the The diameter of the outer wall of the vent 242. The pipe wall of the vent 242 is radially provided with an air flow channel 244 that is vertically and alternately communicated with the air channel 241. In this embodiment, the vent 242 is disposed in the middle section of the mouthpiece 24, so that the connection The outer diameter of the two ends of the mouthpiece 24 is smaller than the outer diameter of the middle section of the mouthpiece 24. When the mouthpiece 24 moves to a position corresponding to the receiving portion 212, the two ends of the airflow channel 244 can be connected to two airflow holes 215 Connected.

The receiving seat 25 is in the shape of a round block, and a receiving hole 251 is penetrated in the middle thereof. The receiving seat 25 is disposed in the receiving space 11 and abuts against the receiving portion 212, so that the receiving hole 251 can communicate with the pressing space 216 . In this embodiment, part of the inner wall of the receiving portion 212 gradually slopes outward toward the open end of the receiving portion 212 to form an inclined section, so that the inner diameter of the receiving portion 212 gradually enlarges toward the receiving end 111, and the receiving seat One end of the outer wall of 25 is formed with a tapered section corresponding to the inclined section, so that the receiving seat 25 can abut against the pressing member 21 through the tapered section.

The receiving hole 251 includes a small diameter portion and a large diameter portion. The small diameter portion is placed in the direction of the pressing end 112. The diameter of the inner wall of the hole of the small diameter portion is smaller than the diameter of the inner wall of the receiving portion 212. The size corresponds to the outer diameter of the conventional French air nozzle; and the diameter of the inner wall of the hole of the large diameter part corresponds to the outer diameter of the conventional American air nozzle and is located in the direction of the receiving end 111. Wherein, the spring continuously pushes the mouthpiece 24 toward the receiving end 111 in the pressing space 216, so that the vent 242 of the mouthpiece 24 can continuously abut against the receiving seat in accordance with the thrust force. The outer wall of the small-diameter portion 25, and the nozzle portion 243 can pass through the small-diameter portion and protrude to the large-diameter portion.

The outer cover 30 is a round cover body and is detachably disposed on the receiving end 111, and the cover body of the outer cover 30 is provided with a socket hole corresponding to the position and diameter of the large diameter part. In this embodiment, the outer cover 30 is assembled on the housing 10 in a meshing manner, and the outer cover 30 can prevent the receiving set 20 from falling out into the receiving space 11.

3 and 4, the cam pull rod 40 includes a cam 41 and a pull rod 42 protruding from the outer wall of the cam 41. The cam 41 is aligned with the housing 10 in an eccentric position and the direction of the pressing end 112. The cam 41 is pivotally connected, and the outer ring wall of the cam 41 can rotatably abut against the outer wall of the pressing portion 211 of the pressing member 21. When the cam 41 pivots relative to the housing 10, the cam 41 and a pivot of the housing 10 A first vertical distance r and a second vertical distance R are generated between the joint and the outer wall of the pressing portion 211, wherein the first vertical distance r is smaller than the second vertical distance R. The cam pull rod 40 includes a static state and a pressing state. When in the static state, the extension direction of the pull rod 42 is perpendicular to the receiving space 11. The vertical distance r, at this time, the pressing section 221 protrudes from the outer wall of the receiving portion 212 and is left in the gap.

When the pull rod 42 is rotated so that the extension direction of the pull rod 42 is parallel to the receiving space 11 and presents the tight state, the second vertical distance R appears between the pivotal joint and the outer wall of the pressing portion 211, and the pressing member 21 is pressed by the cam 41 to move toward the receiving end 111. At this time, the pressing section 221 protrudes from the outer wall of the receiving portion 212 and abuts against the pressing rib 114 and is pressed. The pressing member 22 can respond The pressing rib 114 is deformed so that the pressing section 221 is deepened toward the pressing hole 214, and the pressing section 221 penetrates into the pressing hole 214 and protrudes from the pressing space 216 against the outer diameter of the mouthpiece 24 , Clamp and fix the mouthpiece 24 to avoid moving in the pressing space 216. The design of the cam pull rod 40 not only ensures the position of the mouthpiece 24, but also saves effort.

Please refer to Figure 3, which is a schematic diagram of the multi-purpose pump provided by the new model when it accepts a French nozzle A. Since the French nozzle A has a smaller outer diameter and a longer length, the French nozzle A can reach the The socket passes through the receiving hole 251 and penetrates into the pressure space 216 to butt against the mouthpiece 24. At this time, according to the length of the French air nozzle A deep into the pressure space 216, the mouthpiece 24 is displaced At the relative position in the pressing space 216, and at the same time, the spring 23 provided on the pressing portion 211 continuously gives the pushing force to the mouthpiece 24, so that the mouthpiece 24 can be closely connected to the French air nozzle A Butt against pressure, no gaps. When the pull rod 42 is rotated so that the cam pull rod 40 is in the tight state, the pressing section 221 penetrates into the pressing hole 214 and protrudes out of the pressing space 216. At this time, the pressing section 221 can abut the mouth portion 243 to prevent the mouthpiece 24 from moving in the pressing space 216. Preferably, the pressing section 221 can abut the mouthpiece 243 and the outer wall of the French air nozzle A at the same time, so that the mouthpiece 24 The joint between 24 and the French gas nozzle A can be better and tighter. When the airflow enters the receiving space 11 through the inflatable interface 121, the airflow further enters the pressing space 216 through the airflow perforation 215 on the pressing member 21. At this time, the airflow can pass through the spring The air flow channel 241 at the end and the air flow channel 244 enter the mouthpiece 24 to inflate toward the French air nozzle A.

Please refer to Figure 4, which is a schematic diagram of the multi-purpose pump structure provided by the new model when it accepts an American gas nozzle B. Since the American gas nozzle B has a larger outer diameter, when the American gas nozzle B reaches the socket, The end of the American air nozzle B is blocked by the small diameter part and can only be accommodated in the large diameter part. At this time, the mouthpiece 24 is squeezed by the pushing force of the spring 23 so that the mouthpiece 24 passes through the small diameter part Butt and butt against the American gas nozzle B. When the pull rod 42 is rotated to make the cam pull rod 40 present the pressing state, the pressing section 221 penetrates into the pressing hole 214 and protrudes from the pressing space 216 against the direction of the mouthpiece 24 close to the pressing end 112 The outer wall can prevent the mouthpiece 24 from moving in the pressing space 216. When the airflow enters the receiving space 11 through the air inflation interface 121, the airflow further directly communicates with the airflow channel 244 through the airflow perforation 215 to enter the mouthpiece 24 and inflate toward the American air nozzle B.

The multi-purpose air pump structure provided by the present invention allows the mouthpiece 24 to adapt to the air nozzles of different lengths to be deeply and closely correspondingly engaged through the squeezing of the spring 23; the pushing of the cam pull rod 40 makes the pressing member 22 It can protrude from the pressing space 216 and abut against the outer wall of the mouthpiece portion 243 to prevent the mouthpiece 24 from being easily displaced by the pressing space 216, and also prevent the connection between the mouthpiece 24 and the gas nozzle from being misaligned, ensuring the Multi-purpose pump nozzle structure effect and quality.

10: Shell 11: Acceptance space 111: Socket 112: Pressure End 113: Inner Wall 114: squeeze 12: Inflatable space 121: Inflatable interface 20: Undertaking group 21: Pressure piece 211: Pressure Department 212: Acceptance Department 213: Pressure Groove 214: Pressing piercing 215: Airflow perforation 216: Pressure Space 22: Compression 221: Urgent Section 23: spring 24: mouthpiece 241: Air Channel 242: Ventilation Department 243: mouth 244: Airflow Channel 25: Socket 251: Undertake Piercing 30: Outer cover 40: Cam lever 41: Cam 42: lever r: first vertical distance R: second vertical distance A: French valve B: American gas nozzle

Figure 1 is a side view of the new preferred embodiment Figure 2 is a cross-sectional view of the new preferred embodiment Figure 3 is a diagram of the first use state of the preferred embodiment of the new type Figure 4 is a diagram of the second use state of the preferred embodiment of the new type Figure 5 is a partial structural diagram of the new preferred embodiment

10: Shell

40: Cam lever

42: lever

Claims (10)

A multi-purpose air pump structure, comprising: a shell, the shell contains a receiving space, the two ends of the receiving space are a receiving end and a pressing end, the receiving space protrudes from an inner wall in the direction of the receiving end There is a compression rib, the inner diameter defined by the compression rib is smaller than the diameter distance of the inner wall; a bearing group, the bearing group is accommodated in the bearing space, the bearing group includes a bearing group slidable in the bearing space A pressing piece, the pressing piece is close to the outer wall of the pressing rib, and an annular recess is provided with a pressing groove, and any area in the pressing groove is radially penetrated with at least one pressing hole; one pressing piece is one An elastic body, the pressing member can be accommodated in the pressing groove, corresponding to each pressing hole, the pressing member radially protrudes with a pressing section, and one end of each pressing section penetrates the pressing section In the perforation, another section of the pressing section protrudes from the outer wall of the pressing member; and one end of a spring abuts against the pressing member, and the other end of the spring continuously provides a mouthpiece with a thrust toward the receiving end . The multi-purpose pump structure according to claim 1, wherein: the pressing member is in the shape of a middle cylinder, and the inside of the pressing member can be defined as a pressing space, and a pressing part located at the closed end of the pressing member corresponds to the direction of the pressing end , The outer wall of the pressing portion is slidably attached to the inner wall of the pressing end; a receiving portion at the open end of the pressing member corresponds to the direction of the receiving end, and the outer diameter of the receiving portion is slightly smaller than the pressing portion , In the direction of the pressing end and close to the outer wall of the receiving portion of the pressing rib, the pressing groove is recessed in a ring shape, and the receiving portion corresponding to the pressing rib radially penetrates an airflow perforation, and the airflow perforation Communicating with the pressing space; and two pressing holes corresponding to each other and radially penetrated in the pressing groove. Multi-purpose pump structure as described in claim 1 or 2, including A mouthpiece is a middle tube, the inside of which can be defined as an airflow channel, the mouthpiece includes a vent and a mouth, the vent is placed in the direction of the pressing end and its outer wall can slide against the abutment The inner wall of the pressure space fits, the nozzle part is placed in the direction of the receiving end, and its outer wall is smaller than the diameter of the outer wall of the vent; a receiving seat is a round block, and a receiving hole is provided in the middle, and the receiving seat is arranged at The receiving end abuts against the receiving portion, so that the receiving hole can communicate with the pressing space, and the spring continuously pushes the mouthpiece toward the receiving end, so that the vent of the mouthpiece can conform to The thrust force continuously abuts the socket, and the mouthpiece can penetrate into the socket; and the outer wall of the pressing end of the housing includes a cam pull rod, the cam pull rod includes a cam and protrudingly arranged on the cam outer ring wall A pull rod, the cam is pivotally connected to the housing at an eccentric position, and the outer ring wall of the cam abuts against the outer wall of the pressing portion, a pivotal connection between the cam and the housing and the outer wall of the pressing portion are generated A first vertical distance and a second vertical distance, and the first vertical distance is smaller than the second vertical distance. When the cam pull rod is in a stationary state, the extension direction of the pull rod is perpendicular to the receiving space, and the pivot point is connected to The first vertical distance is generated between the outer walls of the pressing portion; when the pull rod is rotated to be in a tight state, the second vertical distance is present between the pivotal joint and the outer wall of the pressing portion. According to the multi-purpose pump structure described in claim 3, the two compression ribs respectively protrude from the inner wall. In the multi-purpose pump structure described in claim 3, the urging rib protrudes around the inner wall. In the multi-purpose pump structure described in claim 3, the receiving hole includes a small diameter portion located in the direction of the pressing end and a large diameter portion located in the direction of the receiving end, and the diameter of the inner wall of the hole of the small diameter portion It is smaller than the inner wall diameter of the receiving part. According to the multi-purpose pump structure described in claim 6, part of the inner wall of the receiving portion gradually slopes outward toward the open end to form an inclined section, so that the inner diameter of the receiving portion gradually enlarges toward the receiving end; the receiving seat One end of the outer wall is formed with a tapered section corresponding to the inclined section, so that the receiving seat can abut against the pressing member through the tapered section. According to the multi-purpose pump structure described in claim 7, an outer cover is detachably arranged on the receiving end, the outer cover is a round cover body and a socket is penetrated corresponding to the position and size of the large diameter part, and the outer cover prevents The undertaking group falls out into the undertaking space. According to the multi-purpose pump structure described in claim 8, the housing includes an inflatable space, the receiving space and the inflatable space are connected to ventilate by an inflatable interface, and an airflow can pass from a gas cylinder or an inflator through the inflatable interface Enter the receiving space. For the multi-purpose pump structure described in claim 9, the shell is presented in an L-like manner, and the receiving space and the inflatable space are arranged at 90 degrees corresponding to each other. The inner diameter section of the receiving space and the inflatable space is Round.

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