Handheld eyewash equipment

Abstract

A handheld eyewash device comprises a grip, an inner threaded sleeve is arranged at one end of the grip, a water inlet hose is movably arranged in the grip, the free end of the water inlet hose is communicated with a connector clamped with the inner threaded sleeve, a first sealing ring is arranged on the connector, and a filter screen is placed on the first sealing ring. A valve body communicated with the connector is in threaded fit with the grip through an inner threaded sleeve, a notch for containing a filter screen is formed in the bottom end of the valve body, a valve element for controlling opening and closing of the valve body is arranged in the valve body, a handle matched with the valve element is rotationally arranged on one side of the valve body, and a spray head is arranged on the valve body. And a cleaning assembly for cleaning the interior of the spray head is arranged in the spray head. Through the arrangement of the filter screen, sand grain impurities in the water inlet hose can be filtered, the spray head is prevented from being blocked, the filter screen on the connector can be cleaned after the valve body and the grip are manually detached in the later period, time and labor are saved, and operation is easy.

Description

Technical Field

[0001] The utility model belongs to the field of eye washers, in particular to a handheld eye washer. Background Art

[0002] Eyewash is a kind of safety protection equipment used to quickly minimize the harm when toxic and harmful substances splash onto the body, face and eyes of workers. For the convenience of operation, handheld eyewash can clean the injured eyes or face with one hand. However, the handheld eyewash is filled with clean water, which contains impurities such as sand. After long-term use of the eyewash, the pipeline of the eyewash will be blocked, and it needs to be cleaned manually with tools for a long time, which wastes time. Utility Model Content

[0003] The utility model aims to provide a handheld eyewash to solve the technical problems raised in the above-mentioned background technology.

[0004] In order to achieve the above purpose, the specific technical solution of a handheld eyewash of the utility model is as follows:

[0005] A hand-held eyewash, including a handle, one end of which is provided with an internal thread sleeve, and a water inlet hose is movably provided in the handle, and the free end of the water inlet hose is connected to a connector that is locked with the internal thread sleeve, and a first sealing ring is provided on the connector, and a filter is placed on the first sealing ring. A valve body connected to the connector is threadedly matched with the internal thread sleeve on the handle, a notch for containing the filter is provided at the bottom end of the valve body, a valve core for controlling the opening and closing of the valve body is provided in the valve body, and a handle that is rotatably matched with the valve core is provided on one side of the valve body, a nozzle is provided on the valve body, and a cleaning component for cleaning the interior of the nozzle is provided in the nozzle.

[0006] Furthermore, a first cavity and a second cavity are provided in the valve body, and the first cavity and the second cavity are communicated. The valve core includes a loading shell provided in the valve body, the loading shell penetrates the first cavity and the second cavity, and is sealed at the connection between the first cavity and the second cavity. A stepped hole is provided in the loading shell, a fourth sealing ring is clamped at the connection of the stepped hole, a push rod is slidably provided on the fourth sealing ring, a plug is provided at the inner end of the push rod, and a third sealing ring is clamped around the plug, a pressing rod is threadedly connected to the outer end of the push rod, and a spring is sleeved on the push rod between the fourth sealing ring and the pressing rod.

[0007] Furthermore, the connector includes a first sleeve arranged on the water inlet hose, a mounting groove is opened in the circumference of the first sleeve, and a second sealing ring is arranged in the mounting groove, a second sleeve is interference-fitted on the first sleeve, and a limiting ring is arranged on the outer wall of the second sleeve, and the limiting ring cooperates with the internal thread sleeve. The second sleeve is provided with a first placement groove for placing the first sealing ring and a second placement groove for clamping the filter.

[0008] Furthermore, the nozzle includes a first shell connected to the valve body, and a second shell is disposed on the first shell, a stepped hole is opened in the second shell, and a filter is placed in the stepped hole. A support plate is disposed in the first shell, and the filter and the support plate are connected by fastening nails.

[0009] Furthermore, a dust cover is rotatably provided on the first shell.

[0010] Furthermore, the cleaning assembly includes a connecting tube arranged on the bottom surface of the filter disc, the fastening nails pass through the connecting tube, and a rotating drum is rotatably arranged on the connecting tube, blades are circumferentially distributed at the bottom end of the rotating drum, and support arms are circumferentially distributed at the top end of the rotating drum, and bristles are distributed on the top surface of the support arms.

[0011] Furthermore, a base is provided on the handle.

[0012] The handheld eyewash device of the utility model has the following advantages:

[0013] 1. The utility model can filter sand impurities in the water inlet hose by setting a filter to prevent the nozzle from being blocked. In the later stage, after manually disassembling the valve body and the handle, the filter on the connecting head can be cleaned, which saves time and effort and is simple to operate.

[0014] 2. The utility model can clean the filter in the nozzle by arranging a cleaning component to prevent the formation of bacterial film on the filter. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of a handheld eyewash device of the utility model;

[0016] Figure 2 This is a half-section view of the handheld eyewash station of the utility model;

[0017] Figure 3 For this utility model Figure 2 Enlarged view of point A in the middle;

[0018] Figure 4 It is a schematic diagram of the valve core of the utility model.

[0019] Description of the markings in the figure:

[0020] 1. Handle; 2. Internal thread sleeve; 3. Water inlet hose; 4. Dust cover; 5. First sealing ring; 6. Filter screen; 7. Valve body; 71. First cavity; 72. Second cavity; 8. Spray head; 81. First shell; 82. Second shell; 83. Filter disc; 84. Fastening nail; 85. Support plate; 9. Connector; 91. First sleeve; 92. Mounting groove; 93. Second sealing ring; 94. Second sleeve; 95 , limit ring; 96, first placement groove; 97, second placement groove; 10, valve core; 101, loading shell; 102, push rod; 103, plug; 104, third sealing ring; 105, fourth sealing ring; 106, spring; 107, pressing rod; 11, handle; 12, cleaning assembly; 121, connecting cylinder; 122, rotating cylinder; 123, blades; 124, support arm; 125, bristles; 13, base. DETAILED DESCRIPTION

[0021] In order to better understand the purpose, structure and function of the utility model, the handheld eyewash device of the utility model is further described in detail below in conjunction with the accompanying drawings.

[0022] like Figures 1 to 4 As shown, a hand-held eyewash of the utility model comprises a handle 1, a valve body 7, a valve core 10, a nozzle 8 and a water inlet hose 3, a filter screen 6 is provided at the free end of the water inlet hose 3, and the water inlet hose 3 is connected with the handle 1, and the handle 1 and the nozzle 8 are connected through the valve body 7, and a valve core 10 for controlling the opening and closing of the valve body 7 is provided in the valve body 7. In order to facilitate manual operation of the hand-held eyewash, a handle 11 cooperating with the valve core 10 is rotatably provided on one side of the valve body 7, so that when the hand-held eyewash is used, by pressing the handle 11, the water flowing out of the water inlet hose can pass through the filter screen 6 to filter the sand or impurities in the clean water, and the filtered water enters the nozzle 8 through the valve body 7, and then is sprayed out through the nozzle 8, which has the effect of preventing the nozzle 8 from being blocked.

[0023] Specifically, the handle 1 is provided with a through hole along its axis, and an internal threaded sleeve 2 is provided at one end of the through hole of the handle 1, the valve body 7 is threadedly connected to the internal threaded sleeve 2 on the handle 1, and the nozzle 8 provided on the valve body 7 is also threadedly connected to the valve body 7, so as to facilitate the disassembly and assembly of the handheld eyewash. The water inlet hose 3 is movably arranged in the through hole of the handle 1, and a connector 9 that is stuck with the internal threaded sleeve 2 is connected to the free end of the water inlet hose 3, a first sealing ring 5 is provided on the connector 9, a filter screen 6 is placed on the first sealing ring 5, and a recess for holding the filter screen 6 is provided at the bottom end of the valve body 7. When the valve body 7 is connected to the internal threaded sleeve 2, the filter screen 6 will be located in the recess of the valve body 7, so that the valve body 7 is connected to the connector 9 of the water inlet hose 3. At the same time, the valve body 7 will also press the first sealing ring 5 to achieve a sealing effect between the internal threaded sleeve 2 and the valve body 7.

[0024] Specifically, the connector 9 includes a first sleeve 91 disposed on the water inlet hose 3, and a mounting groove 92 is provided on the circumference of the first sleeve 91, and a second sealing ring 93 is provided inside the mounting groove 92. A second sleeve 94 is interference-fitted on the first sleeve 91, and after the second sleeve 94 is sleeved on the first sleeve 91, the inner wall of the second sleeve 94 cooperates with the second sealing ring 93 to complete the sealing effect between the second sleeve 94 and the first sleeve 91. At the same time, a limiting ring 95 is also provided on the outer wall of the second sleeve 94, and a stop ring is provided at the bottom end of the inner wall of the internal threaded sleeve 2 disposed in the through hole of the handle 1, so that the limiting ring 95 and the stop ring on the internal threaded sleeve 2 are matched and limited. The first sealing ring 5 is placed on the second sleeve 94, and in order to facilitate the positioning of the first sealing ring 5 on the second sleeve 94, a first placement groove 96 for placing the first sealing ring 5 is provided on the second sleeve 94. At the same time, a second placement groove 97 for placing the filter screen 6 is also provided on the second sleeve 94. In this way, when cleaning the filter screen 6, the valve body 7 and the internal threaded sleeve 2 can be directly disassembled first, and then the filter screen 6 placed in the second placement groove 97 can be removed, and the filter screen 6 can be cleaned. The operation is simple and convenient to use.

[0025] like Figure 2 and Figure 4As shown, a first cavity 71 and a second cavity 72 are provided inside the valve body 7, and the first cavity 71 and the second cavity 72 are connected. The valve core 10 is provided on the valve body 7 and penetrates the first cavity 71 and the second cavity 72, and plays a role in controlling the opening and closing of the first cavity 71 and the second cavity 72. Specifically, the valve core 10 includes a loading shell 101 provided in the valve body 7, the loading shell 101 penetrates the first cavity 71 and the second cavity 72, and seals the connection between the first cavity 71 and the second cavity 72. A through hole is provided on the loading shell 101, and the through hole is connected with the second cavity 72. A stepped hole is provided in the loading shell 101, and a fourth sealing ring 105 is clamped at the connection of the stepped hole, and a push rod 102 is slidably provided on the fourth sealing ring 105, a plug 103 is provided at the inner end of the push rod 102, and a third sealing ring 104 is clamped around the plug 103, and the third sealing ring 104 cooperates with the top end of the loading shell 101. A pressing rod 107 is threadedly connected to the outer end of the push rod 102, and a spring 106 is sleeved between the fourth sealing ring 105 and the pressing rod 107 on the push rod 102. The handle 11 arranged on the valve body 7 cooperates with the pressing rod 107. The pressing rod 107 is pressed by the handle 11, and the pressing rod 107 pushes the plug 103 toward the first cavity 71 through the push rod 102. At this time, the pressing rod 107 also compresses the spring 106, and the third sealing ring 104 on the plug 103 is separated from the connection between the first cavity 71 and the second cavity 72. After that, the water flow of the first cavity 71 flows into the loading shell 101 through the gap between the third sealing ring 104 and the loading shell 101, and the water flow entering the loading shell 101 flows into the second cavity 72 through the through hole on the loading shell 101, and the water flow in the second cavity 72 flows into the spray head 8 for spraying. When the water flow needs to be stopped, the handle 11 is released, and the spring 106 applies force to the pressing rod 107. At this time, the plug 103 is reset by pressing the push rod 102 to complete the work of stopping the water flow in the first cavity 71 and the second cavity 72.

[0026] Still Figure 2As shown, the nozzle 8 includes a first shell 81 connected to the valve body 7, and a second shell 82 is provided on the first shell 81, a stepped hole is opened in the second shell 82, a filter 83 is placed in the stepped hole, and a support plate 85 is provided in the first shell 81, and the filter 83 and the support plate 85 are connected by a fastening nail 84. The nozzle 8 is threadedly connected between the first shell 81 and the upper end of the valve body 7, and the filter 83 is formed by a thin sheet and a plurality of water outlet holes distributed on the thin sheet. The water flow entering the first shell 81 and the second shell 82 through the valve body 7 will be sprayed outward through the filter 83. In order to prevent the filter 83 from being left uncleaned for a long time and causing a bacterial film to form on its inner wall, a cleaning component 12 for cleaning the inside of the filter 83 is provided in the nozzle 8. The cleaning assembly 12 includes a connecting tube 121 disposed on the bottom surface of the filter 83, the fastening nail 84 passes through the connecting tube 121, and a rotating drum 122 is rotatably disposed on the connecting tube 121, blades 123 are circumferentially distributed at the bottom end of the rotating drum 122, and a support arm 124 is circumferentially distributed at the top end of the rotating drum 122, and bristles 125 are distributed on the top surface of the support arm 124. When water flows through the blades 123, the blades 123 will drive the support arm 124 to rotate around the central axis of the rotating drum 122 through the rotating drum 122, and the bristles 125 disposed on the support arm 124 will clean the inner wall of the filter 83 to reduce the growth of bacterial film on the inner wall of the filter 83. In order to prevent dust from falling on the filter 83 when the handheld eyewash is not in use, a dust cover 4 is rotatably disposed on the first shell. A base 13 is also provided on the handle 1 for convenient placement of the handheld eyewash.

[0027] Instructions for use: First, open the dust cover 4 on the first shell to expose the filter 83, then hold the handheld eyewasher and aim it at the eyes, press the handle 11, and the handle 11 applies force to the valve core 10, so that the water flows through the filter screen 6 on the connector 9 of the water inlet hose 3 to be filtered, and then enters the first cavity 71, and the water in the first cavity 71 flows into the second cavity 72, and the water in the second cavity 72 flows to the first shell 81 and the second shell 82 and is sprayed out through the water outlet hole on the filter 83.

[0028] It is understood that the present invention is described by some embodiments, and those skilled in the art are aware that various changes or equivalent substitutions may be made to these features and embodiments without departing from the spirit and scope of the present invention. In addition, under the teachings of the present invention, these features and embodiments may be modified to adapt to specific circumstances and materials without departing from the spirit and scope of the present invention. Therefore, the present invention is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the scope of protection of the present invention.

Claims

1. A handheld eyewash station, characterized in that: The invention comprises a handle (1), one end of which is provided with an internal thread sleeve (2), a water inlet hose (3) movably provided inside the handle (1), and a connector (9) which is locked with the internal thread sleeve (2) at the free end of the water inlet hose (3), a first sealing ring (5) being provided on the connector (9), and a filter screen (6) being placed on the first sealing ring (5); A valve body (7) connected to a connector (9) is threadedly engaged with a handle (1) through an internal threaded sleeve (2), a recess for accommodating a filter (6) is provided at the bottom of the valve body (7), a valve core (10) for controlling the opening and closing of the valve body (7) is provided inside the valve body (7), a handle (11) engaged with the valve core (10) is rotatably provided on one side of the valve body (7), a spray head (8) is provided on the valve body (7), and a cleaning component (12) for cleaning the interior of the spray head (8) is provided inside the spray head (8).

2. A handheld eyewash according to claim 1, characterized in that: A first cavity (71) and a second cavity (72) are formed in the valve body (7), and the first cavity (71) and the second cavity (72) are communicated with each other; The valve core (10) comprises a loading shell (101) arranged in the valve body (7); the loading shell (101) penetrates the first cavity (71) and the second cavity (72), and is sealed at the connection between the first cavity (71) and the second cavity (72); A stepped hole is opened in the loading shell (101), a fourth sealing ring (105) is clamped at the connection of the stepped hole, a push rod (102) is slidably arranged on the fourth sealing ring (105), a plug (103) is arranged at the inner end of the push rod (102), and a third sealing ring (104) is clamped around the plug (103), a pressing rod (107) is threadedly connected to the outer end of the push rod (102), and a spring (106) is sleeved on the push rod (102) between the fourth sealing ring (105) and the pressing rod (107).

3. A handheld eyewash according to claim 1, characterized in that: The connector (9) comprises a first sleeve (91) arranged on the water inlet hose (3), a mounting groove (92) is formed in the circumference of the first sleeve (91), a second sealing ring (93) is arranged in the mounting groove (92), a second sleeve (94) is interference-fitted on the first sleeve (91), a limiting ring (95) is arranged on the outer wall of the second sleeve (94), and the limiting ring (95) cooperates with the internal thread sleeve (2); The second sleeve (94) is provided with a first placement groove (96) for placing the first sealing ring (5) and a second placement groove (97) for blocking the filter screen (6).

4. A handheld eyewash according to claim 3, characterized in that: The spray head (8) comprises a first shell (81) connected to the valve body (7), and a second shell (82) is provided on the first shell (81), a stepped hole is opened in the second shell (82), and a filter (83) is placed in the stepped hole; A support plate (85) is provided inside the first housing (81), and the filter plate (83) and the support plate (85) are connected via fastening pins (84).

5. A handheld eyewash according to claim 4, characterized in that ； A dust cover (4) is rotatably provided on the first shell (81).

6. A handheld eyewash according to claim 1, characterized in that ； The cleaning assembly (12) comprises a connecting tube (121) arranged on the bottom surface of the filter disc (83), a fastening nail (84) passing through the connecting tube (121), and a rotating tube (122) rotatably arranged on the connecting tube (121), blades (123) are circumferentially distributed at the bottom end of the rotating tube (122), and supporting arms (124) are circumferentially distributed at the top end of the rotating tube (122), and bristles (125) are distributed on the top surface of the supporting arms (124).

7. A handheld eyewash according to claim 6, characterized in that ； The handle (1) is provided with a base (13).

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