Stadium identification spray head and spray painting device thereof

Abstract

The utility model belongs to the technical field of spray painting equipment, and particularly relates to a stadium identification spray head and a spray painting device thereof, which comprise a hose, a connecting piece and a nozzle, the hose is fixedly connected with the connecting piece, the inner wall of the connecting piece is provided with a chute, one end of the connecting piece far away from the hose is provided with two clamping grooves, and the clamping grooves are communicated with the chute. Two first inserting holes are formed in the positions, located at the sliding grooves, of the outer side of the connecting piece, the two first inserting holes are symmetrically formed, and an inserting assembly is installed at each first inserting hole; the two side ends of the nozzle are fixedly connected with clamping blocks, the clamping blocks are matched with the clamping grooves, the clamping blocks are matched with the sliding grooves, the side end of each clamping block is provided with a second inserting hole, the connecting piece is detachably connected with the nozzle, and a discharging opening is formed in the lower end of the nozzle. A special detachable connection mode is adopted between the nozzle and the connecting piece, so that the nozzle and the connecting piece are convenient to mount and dismount, and the sealing performance between the nozzle and the connecting piece cannot be influenced by repeated dismounting.

Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of spray equipment, and specifically relates to a sports ground marking spray head and a spray device thereof. BACKGROUND

[0002] It is known that sports ground is the training basis and competition site of various competitive sports, and with the continuous enhancement of the national fitness consciousness, the sports ground becomes an important place for national fitness and social communication, and the sports ground is divided into different sports areas according to different sports items, and the marking lines of different sports areas are different, for example, the marking lines of a basketball sports ground include sidelines, end lines and a center circle, and the marking lines of a football sports ground include goal lines and a center line.

[0003] When the spray equipment is used to spray marking lines on the sports ground, the marking lines are of different lengths and widths, so different caliber spray heads need to be frequently replaced, currently, the spray nozzle and the connecting piece are connected in a threaded connection mode, the threaded connection mode is used to replace the spray nozzle for multiple times, the threads on the connecting piece are abraded, the sealing between the spray nozzle and the connecting piece is affected, and thus the paint can seep out from the connection between the spray nozzle and the connecting piece during spraying, affecting the spraying effect, in order to facilitate the replacement of the spray head of the spray device, the utility model provides a sports ground marking spray head and a spray device thereof. CONTENT OF THE UTILITY MODEL

[0004] In view of the defects in the prior art, the purpose of the present disclosure is to provide a sports ground marking spray head and a spray device thereof.

[0005] The purpose of the present disclosure can be achieved by the following technical solutions:

[0006] A sports ground marking spray head comprises a hose, a connecting piece and a spray nozzle, the hose is fixedly connected with the connecting piece, the connecting piece is in a hollow circular structure, the two side ends of the connecting piece are in an open state, a sliding groove is formed in the inner wall of the connecting piece, two clamping grooves are formed in the end of the connecting piece away from the hose, the clamping grooves are communicated with the sliding groove, two first insertion holes are formed in the outer side of the connecting piece at the sliding groove, the two first insertion holes are arranged in a symmetrical state, and an insertion assembly is arranged at each first insertion hole; clamping blocks are fixedly connected to the two side ends of the spray nozzle, the clamping blocks are matched with the clamping grooves, and the clamping blocks are matched with the sliding groove, a second insertion hole is formed in the side end of each clamping block, the connecting piece and the spray nozzle are detachably connected, and a discharge port is formed in the lower end of the spray nozzle.

[0007] Preferably, the hose, the connecting piece and the spray nozzle are communicated with each other.

[0008] Preferably, the plug-in assembly comprises a connecting plate, a plug pin and a first spring, the connecting plate is fixedly connected to the side end of the connecting piece by two first springs, a plug pin is fixedly installed on one end of the connecting plate close to the connecting piece, the plug pin is located in the middle of the two first springs, and the end of the plug pin away from the connecting plate is located in the first insertion hole.

[0009] Preferably, the hole diameters of the first insertion hole and the second insertion hole are equal, and the diameter of the plug pin is equal to the hole diameter of the first insertion hole.

[0010] Preferably, a sealing gasket is fixedly installed on the end of the nozzle away from the discharge port, and the discharge port of the nozzle has a plurality of different diameters.

[0011] Preferably, when the connecting piece is connected with the nozzle, the clamping block at the side end of the nozzle passes through the clamping groove and is located in the sliding groove, and the end of the plug pin away from the connecting plate passes through the first insertion hole and is located in the second insertion hole.

[0012] Preferably, a sports field marking nozzle comprises the sports field marking nozzle.

[0013] Preferably, the spray device further comprises a mobile vehicle body, a storage tank is installed on the upper end of the mobile vehicle body, the nozzle is installed on the lower end of the storage tank, and the nozzle passes through the mobile vehicle body and is located below the mobile vehicle body.

[0014] Preferably, a limiting plate is installed on the lower end of the mobile vehicle body, the limiting plate is connected with the mobile vehicle body by two second springs, a limiting groove is formed in the middle of the upper end of the limiting plate, the limiting groove is matched with the nozzle, and the nozzle is threadedly connected with the limiting plate.

[0015] Based on the above technical solutions, the use principle and the generated technical effects are as follows:

[0016] The nouns, conjunctions or adjective parts involved in the above technical solutions are explained as follows:

[0017] Fixed connection: refers to the connection of parts or components after being fixed, without any relative movement. It is divided into two types: detachable connection and non-detachable connection.

[0018] (1) Detachable connection: use of screw, spline, wedge pin, etc. to fix the parts together. This connection mode can be disassembled during maintenance, and the parts will not be damaged. However, the specifications of the connecting pieces used must be correct (such as the length of the bolt, key, and wedge pin), and the fastening should be appropriate.

[0019] (2) Non-detachable connection: mainly refers to welding, riveting and over mortise fitting, etc. Since maintenance or replacement requires forging, sawing or oxygen cutting to disassemble, the parts generally cannot be used twice. At the same time, attention should be paid to the process quality, technical detection and remedial measures (such as correction, polishing, etc.) during connection.

[0020] The special detachable connection between the nozzle and the connecting piece, that is, the clamping block is arranged on the nozzle, the clamping groove and the sliding groove matched with the clamping block are arranged in the connecting piece, the first insertion hole is arranged at the side end of the clamping block, and the second insertion hole is arranged at the side end of the connecting piece, so that when the nozzle and the connecting piece are connected, the clamping block at the side end of the nozzle is only needed to be arranged in the sliding groove through the clamping groove, and then the pin is sequentially inserted into the first insertion hole and the second insertion hole, so that the nozzle and the connecting piece can be fixed together; when the nozzle and the connecting piece are detached, the pin is only needed to be pulled out of the first insertion hole and the second insertion hole, and then the nozzle is twisted to be detached from the connecting piece, so that the nozzle and the connecting piece are convenient to install and detach, and the sealing property between the nozzle and the connecting piece is not affected after being detached for many times. BRIEF DESCRIPTION OF DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present disclosure or the prior art, the following will briefly introduce the drawings needed to be used in the embodiments or the prior art description. Obviously, for those skilled in the art, other drawings can also be obtained from these drawings without any creative effort.

[0022] Figure 1 is a structural schematic diagram of the nozzle of the present utility model;

[0023] Figure 2 is a structural schematic diagram of the nozzle of the present utility model Figure 1 ;

[0024] Figure 3 is a structural schematic diagram of the nozzle of the present utility model Figure 2 ;

[0025] Figure 4 is a structural schematic diagram of the connecting piece of the present utility model;

[0026] Figure 5 is a sectional view of the connecting piece and the nozzle of the present utility model when they are connected;

[0027] Figure 6 is a structural schematic diagram of the spray device of the present utility model;

[0028] Figure 7 is a structural schematic diagram of the limiting plate of the present utility model.

[0029] In the drawings: 1, hose; 2, connecting piece; 3, nozzle; 4, sliding groove; 5, clamping groove; 6, first insertion hole; 7, clamping block; 8, second insertion hole; 9, discharge port; 10, connecting plate; 11, pin; 12, first spring; 13, sealing gasket; 14, moving vehicle body; 15, storage tank; 16, limiting plate; 17, second spring; 18, limiting groove. DETAILED DESCRIPTION

[0030] The technical solutions of the embodiments of this disclosure will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of this disclosure, and not all embodiments. Based on the embodiments of this disclosure, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of this disclosure.

[0031] A type of sports venue marking nozzle, such as Figures 1-5 As shown, the device includes: a flexible hose 1, a connector 2, and a nozzle 3. The flexible hose 1 is fixedly connected to the connector 2. The connector 2 has an internally hollow circular structure, with both ends open. A groove 4 is formed on the inner wall of the connector 2. Two slots 5 are formed at the end of the connector 2 away from the flexible hose 1, and the slots 5 communicate with the groove 4. Two first insertion holes 6 are formed on the outer side of the connector 2 at the groove 4, and the two first insertion holes 6 are symmetrically arranged. A plug-in component is installed at each first insertion hole 6. A snap-fit ​​block 7 is fixedly connected to both ends of the nozzle 3. The snap-fit ​​block 7 is adapted to the slot 5, and the snap-fit ​​block... 7 is adapted to the slide groove 4. Each snap-fit ​​block 7 has a second insertion hole 8 on its side end. The connector 2 is detachably connected to the nozzle 3. The lower end of the nozzle 3 has a discharge port 9. In this device, the nozzle 3 and the connector 2 are detachably connected, mainly to facilitate the replacement of the nozzle 3. When connecting the nozzle 3 and the connector 2, first align the snap-fit ​​block 7 on the nozzle 3 with the snap groove 5 on the connector 2. Then, pass the snap-fit ​​block 7 through the snap groove 5 and place it in the slide groove 4 on the connector 2. Then, rotate the nozzle 3 so that the second insertion hole 8 on the snap-fit ​​block 7 is aligned with the first insertion hole 6 on the side end of the connector 2. Finally, use the plug-in assembly to fix the nozzle 3 and the connector 2.

[0032] As a technical optimization solution of this utility model, such as Figure 1 As shown, the hose 1, connector 2, and nozzle 3 are internally connected.

[0033] As a technical optimization solution of this utility model, such as Figure 4 As shown, the plug-in assembly includes a connecting plate 10, a pin 11, and a first spring 12. The connecting plate 10 is fixedly connected to the side end of the connector 2 by two first springs 12. The pin 11 is fixedly installed at the end of the connecting plate 10 near the connector 2. The pin 11 is located between the two first springs 12. The end of the pin 11 away from the connecting plate 10 is located in the first socket 6.

[0034] It should be noted that the diameters of the first socket 6 and the second socket 8 are equal, and the diameter of the pin 11 is equal to the diameter of the first socket 6.

[0035] As a technical optimization scheme of the utility model, as shown in Figure 2 , Figure 3 the end of the nozzle 3 away from the discharge port 9 is fixedly installed with a sealing gasket 13; the discharge port 9 of the nozzle 3 has multiple different diameters; the sealing gasket 13 is arranged to realize sealing when the connecting piece 2 is connected with the nozzle 3, and the discharge port 9 is used to spray paint, and multiple different diameters of the discharge port 9 are arranged to adapt to different requirements when spraying in the sports field, that is, when a wider mark needs to be sprayed in the sports field, the nozzle 3 with a large diameter is used, and when a narrower mark needs to be sprayed in the sports field, the nozzle 3 with a small diameter is used.

[0036] As a technical optimization scheme of the utility model, as shown in Figure 5 when the connecting piece 2 is connected with the nozzle 3, the clamping block 7 at the side end of the nozzle 3 passes through the clamping groove 5 and is located in the sliding groove 4, and the end of the bolt 11 away from the connecting plate 10 passes through the first insertion hole 6 and is located in the second insertion hole 8.

[0037] As shown in Figure 6 a kind of spray device includes the sports field mark spray head.

[0038] As a technical optimization scheme of the utility model, as shown in Figure 6 the spray device further includes a mobile vehicle body 14, the upper end of the mobile vehicle body 14 is installed with a storage tank 15, the spray head is installed at the lower end of the storage tank 15, and the nozzle 3 passes through the mobile vehicle body 14 and is located below the mobile vehicle body 14; in the device, the storage tank 15 is used to store paint for spraying, the mobile vehicle body 14 is used to install the storage tank 15 and the spray head, and the storage tank 15 and the spray head are moved by the mobile vehicle body 14, so that the mark is sprayed and moved at the same time when the mark is sprayed in the sports field.

[0039] As a technical optimization scheme of the utility model, as shown in Figure 7 the lower end of the mobile vehicle body 14 is installed with a limiting plate 16, the limiting plate 16 is connected with the mobile vehicle body 14 through two second springs 17, a limiting slot 18 is formed in the middle position of the upper end of the limiting plate 16, the limiting slot 18 is matched with the nozzle 3, and the nozzle 3 is threadedly connected with the limiting plate 16; the limiting plate 16 is arranged to limit and fix the spray head, when the spray head is installed at the lower end of the mobile vehicle body 14, the hose 1 on the spray head is sealingly connected with the outlet at the lower end of the storage tank 15, the nozzle 3 on the spray head is threadedly connected with the limiting plate 16, so as to fix the spray head at the lower end of the mobile vehicle body 14.

[0040] The working principle and use process of the utility model: when the nozzle 3 on the spray head needs to be replaced, the clamping block 7 on the nozzle 3 is aligned with the connecting piece 2 clamping slot 5, then the clamping block 7 is placed in the connecting piece 2 sliding slot 4 through the clamping slot 5, then the nozzle 3 is rotated, the second jack 8 on the clamping block 7 is aligned with the first jack 6 on the side end of the connecting piece 2, then the end of the latch 11 away from the connecting plate 10 is placed in the second jack 8 through the first jack 6, so that the nozzle 3 and the connecting piece 2 are fixed; it should be noted here: when installing the nozzle 3, the latch 11 on the plug-in assembly is pulled out from the first jack 6, otherwise the end of the latch 11 away from the connecting plate 10 through the first jack 6 placed in the sliding slot 4 will block the clamping block 7 on the side end of the nozzle 3 sliding in the sliding slot 4.

[0041] In the description of the present specification, the description referring to the terms "one embodiment", "an example", "a specific example" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present disclosure. In the present specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] The basic principles, main features and advantages of the present disclosure are shown and described above. It should be understood by those skilled in the art that the present disclosure is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present disclosure. Without departing from the spirit and scope of the present disclosure, various changes and improvements can be made to the present disclosure, and these changes and improvements all fall within the scope of the claimed present disclosure.

Claims

1. A sports venue marking nozzle, characterized in that, include: The hose (1), connector (2), and nozzle (3) are provided. The hose (1) is fixedly connected to the connector (2). The connector (2) has a hollow circular structure. Both ends of the connector (2) are open. The inner wall of the connector (2) is provided with a sliding groove (4). Two slots (5) are provided at the end of the connector (2) away from the hose (1). The slots (5) are connected to the sliding groove (4). Two additional slots are provided on the outer side of the connector (2) at the sliding groove (4). One insertion hole (6), two first insertion holes (6) are arranged symmetrically, and each first insertion hole (6) is equipped with a plug-in component; the nozzle (3) is fixedly connected to two sides with snap-fit ​​blocks (7), the snap-fit ​​blocks (7) are adapted to the slot (5), and the snap-fit ​​blocks (7) are adapted to the slide (4), and each snap-fit ​​block (7) has a second insertion hole (8) on its side. The connector (2) is detachably connected to the nozzle (3), and the lower end of the nozzle (3) has a discharge port (9).

2. The sports field marking nozzle according to claim 1, characterized in that, The hose (1), connector (2) and nozzle (3) are internally connected.

3. A sports field marking nozzle according to claim 1, characterized in that, The plug assembly includes a connecting plate (10), a pin (11), and a first spring (12). The connecting plate (10) is fixedly connected to the side end of the connector (2) by two first springs (12). The pin (11) is fixedly installed on the end of the connecting plate (10) near the connector (2). The pin (11) is located between the two first springs (12). The end of the pin (11) away from the connecting plate (10) is located in the first socket (6).

4. A sports field marking nozzle according to claim 3, characterized in that, The first socket (6) and the second socket (8) have the same diameter, and the diameter of the pin (11) is the same as the diameter of the first socket (6).

5. A sports field marking nozzle according to claim 1, characterized in that, A sealing gasket (13) is fixedly installed at the end of the nozzle (3) away from the outlet (9); the outlet (9) of the nozzle (3) has a variety of different diameters.

6. A sports field marking nozzle according to claim 4, characterized in that, When the connector (2) is connected to the nozzle (3), the snap block (7) on the side of the nozzle (3) passes through the slot (5) and is located in the slide groove (4), and the end of the pin (11) away from the connecting plate (10) passes through the first socket (6) and is located in the second socket (8).

7. A printing device, characterized in that, The printing device includes the sports field signage printhead as described in any one of claims 1-6.

8. A printing device according to claim 7, characterized in that, The inkjet printing device also includes a mobile vehicle body (14), on the upper end of which a storage tank (15) is installed, and the nozzle is installed on the lower end of the storage tank (15), with the nozzle (3) passing through the mobile vehicle body (14) and located below the mobile vehicle body (14).

9. A printing device according to claim 8, characterized in that, A limiting plate (16) is installed at the lower end of the mobile vehicle body (14). The limiting plate (16) is connected to the mobile vehicle body (14) by two second springs (17). A limiting groove (18) is opened at the middle position of the upper end of the limiting plate (16). The limiting groove (18) is adapted to the nozzle (3), and the nozzle (3) is threadedly connected to the limiting plate (16).

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