CN217311464U

CN217311464U - Counter housing for dispensing medicament

Info

Publication number: CN217311464U
Application number: CN202220154694.4U
Authority: CN
Inventors: 牛德昭; 王刚
Original assignee: Shandong Heqi Pharmaceutical Co ltd
Current assignee: Shandong Heqi Pharmaceutical Co ltd
Priority date: 2022-01-20
Filing date: 2022-01-20
Publication date: 2022-08-30
Anticipated expiration: 2032-01-20

Abstract

The utility model discloses a counter shell for medicament distribution, which comprises a shell body, a boss of a first accommodating part, a limit part of a pawl driving device and a lower guide groove; the first accommodating part boss is arranged in the shell body, and a space formed by enclosing the first accommodating part boss is used for accommodating a first ratchet wheel of the counter; the first accommodating part boss is provided with an opening; the pawl driving device limiting parts are at least provided in two groups and are respectively arranged at two ends of the opening; the lower guide groove is arranged below the opening and is arranged along the length direction of the shell body; the lower guide groove and the upper guide groove are mutually matched, so that the pawl driving device of the counter moves along the length direction of the shell body. The counter housing can accurately define the direction of movement of the pawl driver.

Description

Counter housing for dispensing medicament

Technical Field

The present invention relates to a counter housing for dispensing a medicament, and more particularly to a counter housing for an actuator of an inhaler.

Background

Inhalers, such as Metered Dose Inhalers (MDIs), are medical devices that eject a medicament under pressure and pass the medicament through the respiratory tract into the body for therapeutic purposes. Most patients feel anxiety about not knowing the amount of medicine remaining in the inhaler and believe that the amount of medicine in the inhaler can be changed in a timely manner if it is known, preventing a drug break. Currently, the amount of medicament remaining in the inhaler is presented visually to the patient, primarily by a counting device carried on the actuator. Such counting devices are mainly classified into mechanical counting devices and electronic counting devices. The electronic counting device is high in price and has high influence on the use environment.

CN110559528A discloses an aerosol dispenser push button with a counter, which comprises a push button, a cap body, a counter and a counter housing. The counter comprises a counter base, a gear, a unit disc and a tens disc. The counter base comprises a cantilever beam and an actuation rod below the cantilever beam, and a connecting arm connecting the cantilever beam and the actuation rod, wherein the tail end of the actuation rod is provided with an end part protruding outwards, one end of the cantilever beam is connected to the counter base, the other end of the cantilever beam is arranged in a suspension manner, and an actuation pawl is arranged at the cantilever beam at the suspension end. The push button is internally provided with a guide rib, and the actuating rod is provided with a guide reverse buckle matched with the guide rib, so that the actuating rod is urged to move up and down. The actuating rod and the counter base of the aerosol administration device push button are of an integral structure, the same material is required to be adopted by the actuating rod and the counter base during molding, and the shell and the actuating rod cannot meet good mechanical properties at the same time.

CN1998010A discloses a counter for use in medicament dispensing. The counter includes a housing having first, second and third shaft mounts and a circumferential arm. Each pedestal can define an axis of rotation and the circumferential arms define a circular area. The first counter wheel is housed for rotation in a circular baffle, the second counter wheel is housed in an internal annular space defined by the annular first counter wheel and the first shaft, and a gap is present between the first counter wheel and the second counter wheel. The driving wheel is received and rotated by the second shaft frame, and the driving tooth group of the driving wheel is meshed with the secondary driving tooth group of the second counting wheel, so that the rotation of the second counting wheel is caused by the movement of the driving wheel. The counter is provided with a driving wheel so as to cause the rotation of the second counting wheel, and the structure is more complex, large in occupied space and not compact.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a counter casing is used in medicament distribution, its direction of motion that can accurately inject pawl driver part. Further, the utility model discloses a shell structure is compact, and shared space is little.

The utility model discloses a counter casing for medicament distribution, which comprises a shell body, a boss of a first accommodating part, a limit part of a pawl driving device and a lower guide groove;

the first accommodating part boss is arranged in the shell body, and a space formed by enclosing the first accommodating part boss is used for accommodating a first ratchet wheel of the counter; the first accommodating part boss is provided with an opening;

the pawl driving device limiting parts are at least provided in two groups and are respectively arranged at two ends of the opening; one end of the pawl driving device limiting part is connected with the first accommodating part boss, the pawl driving device limiting part extends along the width direction of the shell body, and the other end of the pawl driving device limiting part is a free end; a gap is arranged between the free ends of the pawl driving device limiting parts arranged at the two ends of the opening, so that an upper guide groove is formed;

the lower guide groove is arranged below the opening and is arranged along the length direction of the shell body; the lower guide groove and the upper guide groove are mutually matched, so that the pawl driving device of the counter moves along the length direction of the shell body.

According to the counter housing of the present invention, preferably, the pawl driving device limiting part includes a connecting portion and a limiting portion;

one end of the connecting part is connected with the first accommodating part boss, the connecting part is arranged along the width direction of the shell body, and the width of one end of the connecting part, which is connected with the first accommodating part boss, is larger than that of the other end of the connecting part;

the limiting portion is a protrusion formed at one end, away from the boss of the first accommodating portion, of the connecting portion, and the connecting portion and the limiting portion are of an integrally formed structure.

According to the utility model discloses a counter casing, preferably, lower guide way is the recess of seting up on the shell body and/or the cell body that is formed by separating the shelves part.

According to the utility model discloses a counter casing, preferably, the counter casing still includes second container portion baffle and first ratchet and lifts up the boss;

the second receptacle partition is disposed on the first receptacle boss, the second receptacle partition being disposed to define a position of a second ratchet of the counter;

the first ratchet lifting boss is arranged in a space formed by enclosing the first accommodating part boss, and the first ratchet lifting boss is arranged for lifting the first ratchet so as to enable the first ratchet to be meshed with the second ratchet.

According to the utility model discloses a counter casing, preferably, the projection that the boss was lifted up to first ratchet on the horizontal plane is approximate triangle-shaped, arc transitional coupling between the adjacent both sides.

According to the present invention, the counter housing preferably further comprises a first ratchet stop member and/or a second ratchet stop member;

the first ratchet wheel stopping component is connected with the shell body, arranged in a space formed by enclosing the boss of the first accommodating part and arranged to limit the rotating direction of the first ratchet wheel of the counter;

the second ratchet wheel stopping component is connected with the shell body, at least one part of the second ratchet wheel stopping component is arranged in a space formed by the second containing part partition board in a surrounding mode, and the second ratchet wheel stopping component is arranged to limit the rotating direction of a second ratchet wheel of the counter.

According to the utility model discloses a counter casing, preferably, first ratchet locking part is the non return claw, second ratchet locking part is the non return claw.

According to the counter housing of the present invention, preferably, a middle positioning hole is provided in the housing body;

the middle positioning hole is arranged in a space formed by the boss of the first accommodating part in a surrounding manner and is arranged in the middle of the space formed by the boss of the first accommodating part in a surrounding manner, and the middle positioning hole is arranged for fixing the position of the first ratchet wheel of the counter.

According to the utility model discloses a counter casing, preferably, this internal adapting unit that is provided with of shell, adapting unit sets up to the upper cover of connecting the counter, adapting unit is buckle and/or draw-in groove.

According to the counter housing of the present invention, preferably, a lower positioning hole is provided in the housing body;

the number of the lower positioning holes is at least two, and the lower positioning holes are respectively arranged on two sides of the lower guide groove; the lower positioning hole is arranged at the position of an upper cover of the positioning counter.

The utility model discloses a counter casing passes through the last guide way that pawl drive arrangement spacing part formed and the direction of motion of restricting pawl drive arrangement accurately, steadily down the guide way for the medicament distribution. Therefore, the counter can be suitable for the counter with the ratchet driving part and the shell which are not integrally formed, and the problems of inconvenience in forming and material selection of the ratchet driving part and the counter shell can be overcome. According to the utility model discloses preferred technical scheme, the technical device casing is provided with first ratchet and lifts up the boss, and first ratchet lifts up the boss and can lift up first ratchet to make first ratchet and second ratchet meshing, make first ratchet drive second ratchet and rotate, such design can save the part, makes the overall arrangement compacter.

Drawings

Fig. 1 is a schematic structural view of a counter housing for dispensing a medicine according to the present invention.

Fig. 2 is a perspective view of the medicine dispensing counter housing shown in fig. 1.

Fig. 3 is a partially enlarged view of a portion a shown in fig. 2.

Fig. 4 is a partially enlarged view of a portion B shown in fig. 2.

Fig. 5 is a partially enlarged view of the portion C shown in fig. 2.

Fig. 6 is a partially enlarged view of a portion D shown in fig. 2.

The reference numbers are as follows:

101-a housing body; 102-a first receptacle boss; 103-a second container partition; 104-pawl driving device limit part; 105-a lower guide groove; 106-first ratchet wheel lifting boss; 107-first ratchet stop member; 108-a second ratchet stop; 109-middle positioning hole; 110-a connecting member; 111-lower positioning holes; 112-shearing short rib positions.

Detailed Description

The present invention will be described in more detail below, but the present invention is not limited thereto.

The utility model discloses in "casing body length direction" be the Y direction in the description attached drawing 1 promptly.

The utility model discloses in "casing body width direction" be the X direction in the description attached drawing 1 promptly.

The utility model discloses a counter casing is used in medicament distribution is applicable to the counter of mechanical count, especially drives the ratchet through the pawl to reach the counter of count purpose. The pawl may be driven in motion by a drive means. The pawl driving means may be a drive rod. The counter may be applied to a metered-dose inhaler, in particular to an actuator for a metered-dose inhaler.

The utility model discloses a counter casing for medicament distribution includes shell body, first portion's boss, the spacing part of pawl drive arrangement and lower guide way. In some embodiments, the counter housing further comprises one or more of a second receptacle partition, a first ratchet lift tab, a first ratchet stop member, and a second ratchet stop member. The utility model discloses a counter casing can be integrated into one piece structure.

< housing body >

The utility model discloses do not limit to the shape of shell body. In certain embodiments, the housing body is a rectangular parallelepiped structure.

The utility model discloses a locating hole in the middle of can being provided with in the shell body, middle locating hole sets up to the position of the first ratchet of fixed counter. The middle positioning hole is arranged in a space formed by the boss of the first accommodating part in a surrounding mode. Preferably, the middle positioning hole is arranged in the middle of a space formed by the boss of the first accommodating part in a surrounding mode.

The utility model discloses a can be provided with adapting unit in the shell body. The connecting part is used for fixedly connecting the counter shell with the upper cover of the counter. The connecting part can be a buckle and/or a clamping groove. In some embodiments, the connecting member snaps. In other embodiments, the connection component is a card slot. The connecting member may be provided in plural, for example 4, 6 or 8. In some embodiments, the connecting members are disposed adjacent to both long sides of the case body, respectively. Preferably, the connection members are dispersedly disposed along a length direction of the case body.

The utility model discloses a locating hole under can being provided with in the shell body. The lower positioning hole is arranged to position the upper cover of the counter. Therefore, the connecting device on the upper cover of the counter is matched with the connecting part on the shell body in position, and the upper cover of the counter is fixedly connected with the counter shell. The number of the lower positioning holes can be multiple; preferably two. Therefore, the positioning is convenient, and the positioning accuracy can be ensured. In some embodiments, the lower positioning holes are respectively disposed at both sides of the lower guide groove. According to an embodiment of the present invention, the lower positioning hole is a cylindrical positioning hole protruding outward of the housing body.

The utility model discloses a can be provided with in the shell body and cut short muscle position. The shearing rib is arranged in a space formed by enclosing the boss of the first accommodating part. The shearing rib is not in contact with the first accommodating part boss, and a certain distance is reserved between the shearing rib and the first accommodating part boss, so that the rotation of the ratchet wheel is not hindered.

< first accommodation part boss >

The boss of the first accommodating part of the utility model is arranged in the shell body; preferably, the first receiving portion boss is provided at an upper portion of the case body. The space formed by enclosing the boss of the first accommodating part is used for accommodating a first ratchet wheel of the counter. The first receiving portion boss may be a continuous boss or may be formed by combining a plurality of discrete bosses. The projection of the space defined by the bosses of the first accommodating part on the horizontal plane can be circular. The center of the space formed by enclosing the boss of the first accommodating part can coincide with the center of the middle positioning hole.

The utility model discloses a first portion boss that holds is provided with at least one opening. The opening is arranged along the width direction of the shell body.

< pawl drive means Limit Member >

The utility model discloses a pawl drive arrangement spacing part sets up two sets ofly at least, and it sets up the open-ended both ends at first portion of holding boss respectively. One end of the pawl driving device limiting part is connected with the first accommodating part boss. The pawl driving device limiting component extends along the width direction of the shell body. The other end of the pawl driving device limiting part is a free end. A gap is formed between the free ends of the pawl driving device limiting parts at the two ends of the opening of the first accommodating part boss, so that an upper guide groove is formed. The upper guide groove can be matched with the lower guide groove, so that the pawl driving device of the counter is limited to move along the length direction of the shell body.

In some embodiments, the pawl driver limiting member includes a connecting portion and a limiting portion. One end of the connecting part is connected with the opening end of the first accommodating part boss. The connecting portion is provided along the width direction of the housing body. The other end of the connecting part is connected with the limiting part. The width of the connecting part close to one end of the boss opening of the first accommodating part is larger than the width of the connecting part close to the limiting part. The connecting portion may be a rod-like structure. The limiting part is a bulge formed at one end, far away from the first accommodating boss, of the connecting part. The protrusions may have a rectangular parallelepiped structure, a square structure, or a spherical structure. The connecting part and the limiting part can be of an integrally formed structure.

< lower guide groove >

The utility model discloses a lower guide way sets up in the opening below of first portion of holding boss, and sets up along the length direction of shell body. The lower guide groove and the upper guide groove are matched with each other, so that the pawl driving device of the counter moves along the length direction of the shell body. In some embodiments, the axis of symmetry of the lower guide slot coincides with the axis of symmetry of the upper guide slot.

The lower guide groove can be a groove formed on the shell body or a groove body formed by a baffle component. The barrier component can be a barrier plate.

In some embodiments, a groove is formed on the housing body below the opening of the boss of the first accommodating portion, and the groove is arranged along the length direction of the housing body. The edge of at least one part of the groove along the length direction of the shell body is connected with a baffle component. The baffle parts are arranged into two groups and are respectively arranged on two opposite edges of the groove along the length direction of the shell body. The barrier member extends outwardly of the recess. The space formed between the two groups of baffle parts and the groove form a lower guide groove together. Preferably, the symmetry axis of the groove coincides with the symmetry axis of the upper guide groove. The barrier member may be a barrier plate.

< second housing partition >

The utility model discloses a second accommodation part baffle sets up on first accommodation part boss. The space that second container portion baffle encloses to close forms sets up to hold the second ratchet. The second receptacle partition is configured to define a position of a second ratchet of the counter. This enables the first ratchet of the counter to be positioned below the second ratchet. In certain embodiments, the second receptacle partition is disposed proximate an outer edge of the first receptacle boss. According to the utility model discloses an embodiment, the second accommodation portion baffle comprises a plurality of baffles, and a plurality of baffles dispersion sets up on first accommodation portion boss.

The projection of the space enclosed by the second accommodating part partition plates on the horizontal plane can be circular or approximately circular. The center of the projection of the space defined by the bosses of the first accommodating part on the horizontal plane can coincide with the center of the projection of the space defined by the partition board of the second accommodating part on the horizontal plane.

< first ratchet raising boss >

The utility model discloses a first ratchet lifts up the boss and links to each other with shell body, and sets up in the space that first portion boss that holds encloses and close formation. The first ratchet wheel lifting boss is configured to lift the first ratchet wheel so that the first ratchet wheel is engaged with the second ratchet wheel.

According to the utility model discloses an embodiment, the projection that first ratchet uplifted the boss on the horizontal plane is approximately triangle-shaped, and arc transitional coupling between two adjacent limits of approximately triangle-shaped. This can reduce the resistance, be convenient for lift first ratchet.

< ratchet stopper >

The ratchet stopping component of the utility model comprises a first ratchet stopping component and/or a second ratchet stopping component.

The first ratchet wheel stopping component is arranged in a space formed by the first accommodating boss in a surrounding mode. The first ratchet stop member may be connected to the housing body. The first ratchet stop member may be provided in one or more number. The first ratchet stop member is arranged to define a rotational direction of a first ratchet of the counter. The first ratchet stop member may be a non-return pawl.

The second ratchet wheel stopping component is arranged in the shell body, and at least one part of the second ratchet wheel stopping component is arranged in a space formed by the second containing partition board. The second ratchet stop member is arranged to define a direction of rotation of the second ratchet. The second ratchet stop member may be provided in one or more. According to an embodiment of the present invention, the second ratchet stop member is provided in two, and the two second ratchet stop members are provided oppositely. The second ratchet stop member may be a non-return pawl.

Example 1

Fig. 1 is a schematic structural view of a medicine dispensing counter housing according to the present invention. Fig. 2 is a schematic perspective view of the counter housing shown in fig. 1. FIGS. 3 to 6 are partially enlarged views of portions A to D in FIG. 2, respectively. As shown in fig. 1 and 2, the counter housing for dispensing medicine of the present invention includes a housing body 101, a first receiving portion boss 102, a second receiving portion partition plate 103, a pawl driving device stopper 104, a lower guide groove 105, a first ratchet lifting boss 106, a first ratchet stopper 107, and a second ratchet stopper 108.

The projection of the outer contour of the housing body 101 on the horizontal plane is approximately rectangular.

The first receiving portion boss 102 is provided in the housing body 101 and at an upper portion of the housing body 101. The space enclosed by the first receiving portion boss 102 is used for receiving the first ratchet wheel of the counter. The projection of the space on the horizontal plane is approximately circular. The first receiver boss 102 has an opening. The opening is provided along the width direction of the casing body 101.

A middle positioning hole 109 is provided in the case body 101. The intermediate positioning hole 109 is provided at the center of the space surrounded by the first accommodation portion boss 102. The middle positioning hole 109 fixes the position of the first ratchet of the counter.

A shearing rib position 112 is arranged in the shell body 101. So that the rotation of the ratchet is not hindered.

The first ratchet stopper 107 is connected to the housing body 101 and is disposed in a space surrounded by the first receiving portion boss 102. The first ratchet stop member 107 defines the direction of rotation of the first ratchet of the counter. The first ratchet stop member 107 is a pawl.

A second receiving portion partition 103 is provided on the first receiving portion boss 102, and is provided near an outer edge of the first receiving portion boss 102. The second receiving portion partition 103 is composed of a plurality of partitions, which are dispersedly disposed on the first receiving portion boss 102. The space enclosed by the second container partition 103 is used for containing the second ratchet. The second receptacle partition 103 defines the position of the second ratchet of the counter. Such an arrangement allows the first ratchet of the counter to be disposed below the second ratchet.

The first ratchet lifting boss 106 is disposed in a space surrounded by the first receiving portion boss 102. The first ratchet lifting boss 106 lifts the first ratchet of the counter, thereby engaging the first ratchet with the second ratchet of the counter. As shown in fig. 3, the projection of the first ratchet lifting boss 106 on the horizontal plane is approximately triangular, and two adjacent sides are connected in an arc transition manner.

The second ratchet stopper 108 is disposed in the outer case 101, and at least a part thereof is disposed in a space surrounded by the second receiving portion partition 103. The second ratchet stop members 108 are provided in two, and the two second ratchet stop members 108 are provided oppositely. The second ratchet stop member 108 defines the direction of rotation of the second ratchet. The second ratchet stopping component is a non-return claw.

The pawl driving device stopper members 104 are provided in two sets, respectively provided at both ends of the opening of the first accommodation portion boss 102. As shown in fig. 1 and 4, the pawl driving device stopper member 104 includes a connecting portion and a stopper portion. The connecting part is of a rod-shaped structure. One end of the connecting portion is connected with the first accommodating portion boss 102, the connecting portion is arranged along the width direction of the shell body 101, the other end of the connecting portion is connected with the limiting portion, and the other end of the limiting portion is a free end. The width of one end of the connecting portion connected to the first receiving portion boss 102 is greater than the width of the other end of the connecting portion. The limiting part is a protrusion formed at one end of the connecting part far away from the first accommodating part boss 102. The protrusions may have a rectangular parallelepiped structure, a square structure, or a spherical structure. The connecting part and the limiting part are of an integrally formed structure. A gap is formed between the free ends of the limiting parts arranged at the two ends of the opening, so that an upper guide groove is formed.

As shown in fig. 1 and 5, a groove is formed in the case body 101 below the opening of the first receiving portion boss 102, and the groove is formed along the length direction of the case body 101. The symmetry axis of the groove is coincident with the symmetry axis of the upper guide groove. A barrier member is attached to the edge of at least a portion of the groove along the length of the housing body 101. The barrier components are arranged in two groups, which are respectively arranged on two opposite edges of the groove along the length direction of the shell body 101. The barrier component is arranged along the edge of the groove and extends towards the outside of the groove. The space formed between the two sets of barrier members and the groove together form a lower guide groove 105. The upper and lower guide grooves 105 cooperate with each other to move the pawl driving means of the counter in the length direction of the housing body 101.

The housing body 101 has a plurality of connecting members 110, for example, 6 connecting members 110. The connection members 110 are respectively disposed along the longitudinal direction of the housing body 101 in a dispersed manner, and are respectively disposed near the two long sides of the housing body 101. The connection part 110 is used to connect an upper cover of the counter. The connecting member 110 may be a snap or a slot.

A lower positioning hole 111 is provided in the case body 101. The lower positioning holes 111 may be provided in two. Lower positioning holes 111 are respectively provided at both sides of the lower guide groove 105. As shown in fig. 6, the lower positioning hole 111 may be a cylindrical positioning hole protruding outward of the case body 101. The lower positioning hole 111 is used for positioning the upper cover of the counter, so that the connecting device on the upper cover is matched with the connecting part 110 on the shell body 101, and the upper cover of the counter is fixedly connected with the counter shell.

The present invention is not limited to the above embodiments, and any variations, modifications, and substitutions that may occur to those skilled in the art may be made without departing from the spirit of the present invention.

Claims

1. A counter shell for dispensing a medicament is characterized by comprising a shell body, a boss of a first accommodating part, a limiting part of a pawl driving device and a lower guide groove;

the first accommodating part boss is arranged in the shell body, and a space formed by enclosing the first accommodating part boss is a first ratchet wheel for accommodating the counter; the first accommodating part boss is provided with an opening;

the pawl driving device limiting parts are at least provided in two groups and are respectively arranged at two ends of the opening; one end of the pawl driving device limiting component is connected with the first accommodating part boss, the pawl driving device limiting component extends along the width direction of the shell body, and the other end of the pawl driving device limiting component is a free end; a gap is arranged between the free ends of the pawl driving device limiting parts arranged at the two ends of the opening, so that an upper guide groove is formed;

2. The counter housing of claim 1, wherein the pawl driving means limiting member comprises a connecting portion and a limiting portion;

3. The counter housing of claim 1, wherein the lower guide groove is a groove formed in the housing body and/or a groove formed by a barrier member.

4. The counter housing of claim 1, further comprising a second receptacle partition and a first ratchet lift tab;

5. The counter housing of claim 4, wherein the first ratchet lifting protrusion has a substantially triangular shape in a horizontal plane with an arc-shaped transition connection between adjacent sides.

6. The counter housing of claim 4, further comprising a first ratchet stop member and/or a second ratchet stop member;

7. The counter housing of claim 6, wherein the first ratchet stop member is a non-return pawl and the second ratchet stop member is a non-return pawl.

8. The counter housing of claim 1, wherein a central locating hole is provided in the housing body;

9. The counter casing according to any one of claims 1 to 8, wherein a connecting part is arranged in the casing body, the connecting part is arranged to be connected with an upper cover of the counter, and the connecting part is a buckle and/or a clamping groove.

10. The counter housing of claim 9, wherein a lower locating hole is provided in the housing body;

the number of the lower positioning holes is at least two, and the lower positioning holes are respectively arranged on two sides of the lower guide groove; the lower positioning hole is arranged for positioning the upper cover of the counter.