CN210252849U

CN210252849U - Container sealing cover, screw cap and spray gun container connecting mechanism

Info

Publication number: CN210252849U
Application number: CN201921120639.8U
Authority: CN
Inventors: 肖云
Original assignee: Qingdao Hanbai Plastic Technology Co ltd
Current assignee: Qingdao Hanbai Plastic Technology Co ltd
Priority date: 2019-05-05
Filing date: 2019-07-17
Publication date: 2020-04-07
Anticipated expiration: 2029-07-17
Also published as: CN110252563A

Abstract

The utility model relates to a container closing cap, nut and spray gun container coupling mechanism. The reservoir cap includes: the side wall of the spout is convexly provided with at least one locking bulge, the locking bulge is provided with or forms a catching area which is used for limiting the axial displacement of the nut relative to the sealing cover after being connected with the screwing part of the nut together with the sealing cover body, the top surface of the catching area is a stopping surface, and the stopping surface is provided by a transverse stopping arm of the locking bulge. On one hand, the convenient use requirement of a left hand and a right hand can be met simultaneously, on the one hand, the demoulding is convenient, and on the other hand, the joint of the spout and the sealing cover body is not easy to break.

Description

Container sealing cover, screw cap and spray gun container connecting mechanism

Technical Field

The utility model relates to a container closing cap, nut and spray gun container coupling mechanism.

Background

The existing connecting mechanism of the spray gun storage device can not meet the requirement of a left used hand and a right used hand for convenient use of a user at the same time. Furthermore, when the screw cap is connected to the container closure, the vertical stop arm is stressed to cause the joint of the spout and the closure body to be subjected to shear force, which is prone to fracture.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the above problem, a container closing cap, nut and spray gun container coupling mechanism is provided, it can satisfy simultaneously on the one hand that the left side is used to hand and the right side is used to the demand that uses with the hand user and facilitates the use, the drawing of patterns of being convenient for on the one hand, spout and this body coupling department of closing cap are difficult for the fracture on the other hand again, the technical scheme of its adoption as follows:

a reservoir cap comprising: the side wall of the spout is convexly provided with at least one locking bulge, the locking bulge is provided with or forms a catching area which is used for limiting the axial displacement of the nut relative to the sealing cover after being connected with the screwing part of the nut together with the sealing cover body, the top surface of the catching area is a stopping surface, and the stopping surface is provided by a transverse stopping arm of the locking bulge.

On the basis of the technical scheme, the catching areas are divided into a first catching area and a second catching area according to the screwing direction of the screwing part of the nut, and the screwing direction of the screwing part of the nut provided by the first catching area is opposite to that of the screwing part of the nut provided by the second catching area.

On the basis of the technical scheme, the first capture areas and the second capture areas are alternately distributed in the circumferential direction of the nozzle one by one.

On the basis of the technical scheme, the top surface of the first capture area and/or the second capture area is an inclined surface.

On the basis of the technical scheme, the top surfaces of the first capture area and the second capture area are both inclined surfaces, and the inclined direction of the top surface of the first capture area is opposite to that of the top surface of the second capture area.

On the basis of the technical scheme, the first capture area and the second capture area on the locking protrusion are symmetrical to each other.

Optionally, the catching region is provided at its leading end with a vertical stop arm formed on the locking protrusion and/or on the spout sidewall and/or on the top surface of the closure body.

On the basis of the technical scheme, the joint of the spout and the sealing cover body is thickened to form an annular thickened area.

A nut is matched with the container sealing cover and comprises a nut body and a screwing part matched with a capturing area of the container sealing cover, wherein the screwing part is formed at the bottom of the nut body, a penetrating area for inserting a transverse stopping arm of a locking protrusion is formed between the screwing part and the nut body, and the screwing part and the nut body are connected into a whole through a connecting part.

On the basis of the technical scheme, the capturing area is divided into a first capturing area and a second capturing area, the direction for screwing the screwing part of the screw cap into the first capturing area is opposite to the direction for screwing the screwing part of the screw cap into the second capturing area, and the screwing part is a first screwing part matched with the first capturing area and a second screwing part matched with the second capturing area.

Optionally, the width of the connecting portion is narrower than that of the screwing portion, one end of the connecting portion is connected with the top surface of the screwing portion into a whole, and the other end of the connecting portion is connected with the nut body into a whole.

Optionally, the connecting portion is arc-shaped or annular, an inner side face of one end of the connecting portion is connected with an outer side face of the screwing portion into a whole, and the other end of the connecting portion is connected with the nut body into a whole.

Optionally, the connecting portion mainly comprises a first connecting portion and a second connecting portion, the second connecting portion is arc-shaped or annular, an inner side surface of one end of the connecting portion is integrally connected with an outer side surface of the screwing portion, and the other end of the connecting portion is integrally connected with the nut body; the width of the first connecting part is narrower than that of the screwing part, and the first connecting part is directly connected with the screwing part, the nut body and/or the second connecting part to provide stopping force for screwing termination of the screwing part.

A spray gun reservoir connection mechanism characterized by: including a reservoir cap and a screw cap, the reservoir cap comprising: the sealing cover comprises a sealing cover body and a nozzle formed on the sealing cover body, wherein at least one locking protrusion is formed on the side wall of the nozzle in a protruding mode, the locking protrusion is provided with or forms a capturing area which is used for limiting axial displacement of the nut relative to the sealing cover after being handed over with a screw-in portion of the nut together with the sealing cover body, the top surface of the capturing area is a stopping surface, the stopping surface is provided by a transverse stopping arm of the locking protrusion, the nut comprises a nut main body and a screw-in portion matched with the capturing area of the container sealing cover, the screw-in portion is formed at the bottom of the nut main body, a penetrating area for inserting the transverse stopping arm of the locking protrusion is formed between the screw-in portion and the nut main body, and the screw-in portion and the nut main body are connected into a whole through.

On the basis of the technical scheme, the first capture areas correspond to the first screwing parts one by one, and the second capture areas correspond to the second screwing parts one by one.

The utility model has the advantages of as follows: on one hand, the requirement of convenient use of a left hand and a right hand can be met simultaneously, on the one hand, demoulding is convenient, and on the other hand, the joint of the nozzle and the sealing cover body is not easy to break.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It is obvious that the drawing in the following description is only an embodiment of the invention, and that for a person skilled in the art, other embodiments can be derived from the drawing provided without inventive effort.

Fig. 1a is a partial front view schematic structural view (cut through the closure body) of the first form of embodiment 1;

FIG. 1b is a schematic top view of the locking protrusions and the trapping region of example 1;

fig. 1c is a schematic front view (cut-away cover body) of embodiment 1 in the second embodiment;

FIG. 2 is a schematic top view of the locking projections and the catching regions in example 2;

FIG. 3a is a schematic top view of a first embodiment of the present invention;

fig. 3b is a partial front view schematic diagram (cut the closure body) of embodiment 3 in the second form;

FIG. 3c is a schematic top view of a locking protrusion and a catching region according to the second embodiment;

FIG. 3d is a schematic top view of a second embodiment of the locking protrusion and the catching region of the second embodiment of the present invention;

FIG. 3e is a schematic top view of a third embodiment of the locking protrusion and the catching region;

FIG. 4a is a schematic structural view of a first locking projection described in embodiment 4;

FIG. 4b is a schematic structural view of a second locking projection form described in embodiment 4;

FIG. 4c is a schematic structural view of a third locking projection form described in embodiment 4;

FIG. 4d is a schematic structural view of a fourth form of the locking projection described in embodiment 4;

FIG. 5 is a schematic front view of the structure of example 5 (with the closure body cut away);

FIG. 6 is a partial front view schematic diagram (cut the closure body) of embodiment 6;

FIG. 7 is a schematic front view showing the structure of embodiment 7;

FIG. 8 is a schematic front view of the structure of example 8 (with the closure body cut away);

FIG. 9 is a schematic front view of the structure of example 9 (with the closure body cut away);

FIG. 10a is a schematic front view of the structure of example 10;

FIG. 10b is a schematic perspective view of the preferred embodiment 10;

FIG. 11 is a schematic partial front view showing the structure of example 11

FIG. 12 is a perspective view of the nut of embodiment 12;

FIG. 13 is a perspective view of the nut of embodiment 13;

Detailed Description

The invention will be further described with reference to the following figures and examples:

reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example 1

As shown in fig. 1, a reservoir cap comprises: the cap comprises a cap body 1 and a spout 2 formed on the cap body 1, wherein two locking protrusions 3 are convexly formed on the side wall of the spout 2, the locking protrusions 3 are provided with catching areas (the catching areas do not need to be two types, only one type, of a first catching area and a second catching area) which are connected with a screwed-in part of a nut to limit the axial displacement of the nut relative to the cap, the top surface of the catching area is a stopping surface 3a, and the stopping surface 3a is provided by a transverse stopping arm 3-1 of the locking protrusions 3.

As shown in fig. 1a and 1b, wherein the capture zone may be of the type of the first capture zone 30 only; it will of course be appreciated that the capture zone may also be of the type of the second capture zone 31 only;

as shown in fig. 1c, the catching region can also be formed by the locking protrusion 3 and the closure body 1 together, i.e. the region sandwiched between the locking protrusion 3 and the closure body 1 is the catching region.

Example 2

As shown in fig. 2, a reservoir cap comprises: the sealing cap comprises a sealing cap body 1 and a spout 2 formed on the sealing cap body 1, wherein a locking bulge 3 is convexly formed on the side wall of the spout 2, the locking bulge 3 and the sealing cap body 1 form a catching area which is used for limiting the axial displacement of the nut relative to the sealing cap after being connected with a screwed-in part of the nut, the top surface of the catching area is a stopping surface 3a, and the stopping surface 3a is provided by a transverse stopping arm 3-1 of the locking bulge 3.

Example 3

A reservoir cap comprising: the sealing cap comprises a sealing cap body 1 and a spout 2 formed on the sealing cap body 1, wherein at least one locking protrusion 3 is convexly formed on the side wall of the spout 2, the locking protrusion 3 and the sealing cap body 1 form a catching area which is used for limiting the axial displacement of the nut relative to the sealing cap after being connected with a screwed-in part of the nut, the top surface of the catching area is a stopping surface, the stopping surface is provided by a transverse stopping arm 3-1 of the locking protrusion 3, the catching area is divided into a first catching area 30 and a second catching area 31 according to the screwing-in direction which the catching area can provide for the screwed-in part of the nut, and the screwing-in direction which the first catching area 30 provides for the screwed-in part of the nut is opposite to the screwing-in direction which the second catching area 31 provides for the screwed-in part of the nut. That is, the locking protrusion 3 is provided with one catching region or two catching regions, and when there are two catching regions, the two catching regions are symmetrically disposed on the locking protrusion 3, and the first catching regions 30 and the second catching regions 31 are alternately arranged in the circumferential direction of the nozzle 2 one by one. That is, the locking projection 3 may have the following three forms:

as shown in FIG. 3a, a part of the locking projections 3 has only the first catching region 30, and the remaining locking projections 3 have only the second catching region 31;

as shown in fig. 3b, 3c and 3d, form two, all locking projections 3 have both a first capture area 30 and a second capture area 31; as shown in FIG. 3b, the two capture zones are connected, i.e., the first capture zone 30 is connected to the second capture zone 31;

as shown in FIG. 3e, a part of the locking projections 3 has only the first catching region 30, a part of the locking projections 3 has only the second catching region 31, and the remaining part of the locking projections 3 has both the first catching region 30 and the second catching region 31.

Preferably, the number of first capture zones 30 is the same as and corresponds to one with the number of second capture zones 31.

Example 4

On the basis of embodiment 3, the top surfaces of the first capture area 30 and the second capture area 31 are both inclined and the top surface of the first capture area 30 is inclined in the opposite direction to the top surface of the second capture area 31. The locking projection 3 may have a variety of manifestations including, but not limited to, the following: as shown in fig. 4a to 4d, the overall shape of the locking protrusion 3 may be i-shaped, T-shaped, triangular, trapezoidal, pentagonal, hexagonal, or the like.

Example 5

As shown in fig. 5, on the basis of embodiment 1, the catching area is one, and the leading end of the catching area is provided with a vertical stopping arm 3-2, and the vertical stopping arm 3-2 is formed on the locking protrusion 3 and the side wall of the spout 2 and the top surface of the closure body 1. The vertical stop arm 3-2 and the lateral stop arm 3-1 are connected together.

Example 6

As shown in fig. 6, the catching area is one type based on embodiment 1, and a vertical stopping arm 3-2 is provided at a leading end of the catching area, and the vertical stopping arm 3-2 is formed on the locking protrusion 3 and the sidewall of the spout 2.

Example 7

As shown in fig. 7, on the basis of embodiment 1, the catching area is one, and the leading end of the catching area is provided with a vertical stopping arm 3-2, and the vertical stopping arm 3-2 is formed on the side wall of the spout 2 and the top surface of the closure body 1. The vertical stopper arm 3-2 is separated from the lateral stopper arm 3-1.

Example 8

As shown in fig. 8, on the basis of the embodiment 2, the catching areas are two kinds, and the leading-in end of the catching area is provided with a vertical stopping arm 3-2, and the vertical stopping arm 3-2 is formed on the locking protrusion 3 and the side wall of the spout 2 and the top surface of the closure body 1. The vertical stop arm 3-2 and the lateral stop arm 3-1 are connected together.

Example 9

As shown in fig. 9, on the basis of the embodiment 2, the catching areas are two kinds, and the leading end of the catching area is provided with a vertical stopping arm 3-2, and the vertical stopping arm 3-2 is formed on the locking protrusion 3 and the side wall of the spout 2.

Example 10

As shown in fig. 10a and 10b, in the case of embodiment 2, the catching regions are two kinds, and the leading end of the catching region is provided with a vertical stopping arm 3-2, and the vertical stopping arm 3-2 is formed on the side wall of the spout 2 and the top surface of the closure body 1. The vertical stopper arm 3-2 is separated from the lateral stopper arm 3-1. Preferably, as shown in fig. 10b, the bottom end of the vertical stop arm 3-2 and the joint (annular region) of the spout 2 and the closure body 1 are thickened to form a thickened region 3A, so that the joint of the spout and the closure body is not easily broken.

Example 11

In any of embodiments 5 to 10, it is preferable that, as shown in fig. 11, curved transition portions 36 are formed at the bottom ends of the vertical stopper arms 3-2 so as to extend to the left and right. The transition portion 36 increases the contact surface between the vertical stop arm 3-2 and the spout, the closure body, and the thickened region 3A, so that the joint of the spout and the closure body is not easily broken.

In the description of the present embodiment, it is to be understood that the terms "left", "right", etc. indicate orientations or positional relationships based on those shown in fig. 11, which are only for convenience of describing the present embodiment and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.

Example 12

As shown in fig. 12, a screw cap, which is adapted to the reservoir cap of embodiments 3 to 10, includes a screw cap body 5 and a screw-in portion 6 adapted to a catching region of the reservoir cap, the screw-in portion 6 being formed at a bottom of the screw cap body 5, a penetration region 6a into which the lateral stopper arm 3-1 of the locking protrusion 3 is inserted being formed between the screw-in portion 6 and the screw cap body 5, and the screw-in portion 6 and the screw cap body 5 being connected as a whole by a connecting portion 7.

Preferably, the catching region is divided into a first catching region 30 and a second catching region 31, the direction of screwing the screw-in part of the nut in the first catching region 30 is opposite to the direction of screwing the screw-in part of the nut in the second catching region 31, and the screw-in part 6 is divided into a first screw-in part 60 matched with the first catching region 30 and a second screw-in part 61 matched with the second catching region 31.

Preferably, the connecting portion 7 is annular, an inner side surface of one end of the connecting portion 7 is integrally connected with an outer side surface of the screwing portion 6, and the other end of the connecting portion 7 is integrally connected with the nut body 5.

Example 13

As shown in fig. 13, a screw cap, which is adapted to the reservoir cap of embodiments 3 to 10, includes a screw cap body 5 and a screw-in portion 6 adapted to a catching region of the reservoir cap, the screw-in portion 6 being formed at a bottom of the screw cap body 5, a penetration region 6a into which the lateral stopper arm 3-1 of the locking protrusion 3 is inserted being formed between the screw-in portion 6 and the screw cap body 5, and the screw-in portion 6 and the screw cap body 5 being connected as a whole by a connecting portion 7.

Preferably, the connecting portion 7 mainly comprises a first connecting portion 70 and a second connecting portion 71, the second connecting portion 71 is annular, an inner side surface of one end of the connecting portion 7 is integrally connected with an outer side surface of the screwing portion 6, and the other end of the connecting portion is integrally connected with the nut body 5; the width of the first connecting portion 70 is narrower than that of the screwing portion 6, and the first connecting portion 70 is directly connected with the screwing portion 6, the nut body 5 and/or the second connecting portion 71 to provide a stopping force for the screwing termination of the screwing portion 6.

It will be understood that the vertical stop arm 3-2 and the first connecting portion 70 may or may not be provided, and the vertical stop arm 3-2 is used to provide a stopping force (stop limit) for the screw-in end of the screw-in portion, and the stopping force can also be provided by the first connecting portion 70, or when the top surface of the catching region is a slope, the catching region is a tapered wedge-shaped catching region, and the wedge-shaped catching region provides the stopping force.

Example 14

A spray gun reservoir connection mechanism comprising a reservoir cap and a screw cap, the reservoir cap comprising: a closure body 1 and a spout 2 formed on the closure body 1, at least one locking protrusion 3 is convexly formed on a side wall of the spout 2, the locking protrusion 3 is provided with or forms a catching area with the sealing cover body 1 for limiting the axial displacement of the screw cap relative to the sealing cover after connecting with the screwing part of the screw cap, the top surface of the catching zone is a stop surface, which is provided by a transverse stop arm 3-1 of the locking projection 3, the nut comprises a nut body 5 and a screw-in portion 6 adapted to fit into a catch area of the reservoir cap, the screw-in part 6 is formed at the bottom of the nut body 5, a penetration area 6a for inserting the transverse stop arm 3-1 of the locking protrusion 3 is formed between the screw-in part 6 and the nut body 5, and the screw-in part 6 and the nut body 5 are connected into a whole through a connecting part 7.

Example 15

Preferably, the first catching regions 30 correspond to the first screwing parts 60 one by one, and the second catching regions 31 correspond to the second screwing parts 61 one by one.

The present invention has been described above by way of example, but the present invention is not limited to the above-mentioned embodiments, and any modification or variation based on the present invention is within the scope of the present invention.

Claims

1. A reservoir cap, comprising: the sealing cover comprises a sealing cover body (1) and a spout (2) formed on the sealing cover body (1), wherein at least one locking protrusion (3) is convexly formed on the side wall of the spout (2), the locking protrusion (3) is provided with or forms a catching area which is used for limiting the axial displacement of the nut relative to the sealing cover after being connected with a screwing part of the nut together with the sealing cover body (1), the top surface of the catching area is a stopping surface, and the stopping surface is provided by a transverse stopping arm (3-1) of the locking protrusion (3).

2. A reservoir cap according to claim 1, wherein: the catching areas are divided into a first catching area (30) and a second catching area (31) according to the screwing direction of the screw-in part of the screw cap, wherein the screwing direction of the screw-in part of the screw cap provided by the first catching area (30) is opposite to the screwing direction of the screw-in part of the screw cap provided by the second catching area (31).

3. A reservoir cap according to claim 2, wherein: the first catching areas (30) and the second catching areas (31) are alternately distributed in the circumferential direction of the nozzle (2).

4. A reservoir cap according to claim 2, wherein: the top surface of the first capture area (30) and/or the second capture area (31) is sloped.

5. A reservoir cap according to claim 4, wherein: the top surfaces of the first capture area (30) and the second capture area (31) are inclined, and the inclined direction of the top surface of the first capture area (30) is opposite to the inclined direction of the top surface of the second capture area (31).

6. A reservoir cap according to claim 2, wherein: the first capture region (30) and the second capture region (31) are symmetrical to each other with respect to the locking projection (3) having both the first capture region (30) and the second capture region (31).

7. A reservoir cap according to claim 1, wherein: the leading-in end of the catching area is provided with a vertical stop arm (3-2), and the vertical stop arm (3-2) is formed on the locking projection (3) and/or on the side wall of the spout (2) and/or on the top surface of the cover body (1).

8. A reservoir cap according to claim 1, wherein: the intersection joint of the spout (2) and the seal cover body (1) is thickened to form an annular thickened area (3A).

9. A reservoir cap according to claim 7, wherein: an arc-shaped transition part (36) is formed at the bottom end of the vertical stop arm (3-2) and extends to at least one side of the left side and the right side.

10. A nut, characterized in that: adapted to cooperate with a reservoir closure according to any of claims 1 to 9, comprising a nut body (5) and a screw-in portion (6) adapted to cooperate with a trapping region of the reservoir closure, said screw-in portion (6) being formed at the bottom of the nut body (5), a penetration region (6a) for insertion of a transverse stop arm (3-1) of the locking protrusion (3) being formed between the screw-in portion (6) and the nut body (5), said screw-in portion (6) and the nut body (5) being connected as a whole by means of a connecting portion (7).

11. A nut as defined in claim 10, wherein: the capturing area is divided into a first capturing area (30) and a second capturing area (31), the direction of screwing the screwing part of the screw cap into the first capturing area (30) is opposite to the direction of screwing the screwing part of the screw cap into the second capturing area (31), and the screwing part (6) is divided into a first screwing part (60) matched with the first capturing area (30) and a second screwing part (61) matched with the second capturing area (31).

12. A nut as defined in claim 10, wherein: the width of the connecting part (7) is narrower than that of the screwing part (6), one end of the connecting part (7) is connected with the top surface of the screwing part (6) into a whole, and the other end of the connecting part is connected with the nut body (5) into a whole.

13. A nut as defined in claim 10, wherein: the connecting part (7) is arc-shaped or annular, the inner side face of one end of the connecting part (7) is connected with the outer side face of the screwing part (6) into a whole, and the other end of the connecting part is connected with the nut body (5) into a whole.

14. A nut as defined in claim 10, wherein: the connecting part (7) mainly comprises a first connecting part (70) and a second connecting part (71), the second connecting part (71) is arc-shaped or annular, the inner side surface of one end of the connecting part (7) is connected with the outer side surface of the screwing part (6) into a whole, and the other end of the connecting part is connected with the nut main body (5) into a whole; the width of the first connecting part (70) is narrower than that of the screwing part (6), and the first connecting part (70) is directly connected with the screwing part (6), the nut body (5) and/or the second connecting part (71) to provide stopping force for screwing termination of the screwing part (6).

15. A spray gun reservoir connection mechanism characterized by: including a reservoir cap and a screw cap, the reservoir cap comprising: the sealing cover comprises a sealing cover body (1) and a nozzle (2) formed on the sealing cover body (1), wherein at least one locking protrusion (3) is convexly formed on the side wall of the nozzle (2), the locking protrusion (3) is provided with or forms a catching area which is used for limiting the axial displacement of the nut relative to the sealing cover after being connected with a screwing-in part of the nut together with the sealing cover body (1), the top surface of the catching area is a stopping surface, the stopping surface is provided by a transverse stopping arm (3-1) of the locking protrusion (3), the nut comprises a nut main body (5) and a screwing-in part (6) matched with the catching area of the sealing cover of a storage device, the screwing-in part (6) is formed at the bottom of the nut main body (5), a penetrating area (6a) for inserting the transverse stopping arm (3-1) of the locking protrusion (3) is formed between the screwing-in part (6) and the nut main body (5), the screw-in part (6) and the nut body (5) are connected into a whole through a connecting part (7).

16. A spray gun reservoir connection according to claim 15, wherein: the capturing area is divided into a first capturing area (30) and a second capturing area (31), the direction of screwing the screwing part of the screw cap into the first capturing area (30) is opposite to the direction of screwing the screwing part of the screw cap into the second capturing area (31), and the screwing part (6) is divided into a first screwing part (60) matched with the first capturing area (30) and a second screwing part (61) matched with the second capturing area (31).

17. A spray gun reservoir connection according to claim 16, wherein: the first catching areas (30) correspond to the first screwing parts (60) one by one, and the second catching areas (31) correspond to the second screwing parts (61) one by one.