CN217304029U

CN217304029U - Hand-wearing type hot shooting monitoring and early warning device

Info

Publication number: CN217304029U
Application number: CN202221196842.5U
Authority: CN
Inventors: 张俊红; 解立新; 江波; 郭少华; 迟晨阳; 苏天娇; 陈肖肖; 洪剑
Original assignee: 8th Medical Center of PLA General Hospital
Current assignee: 8th Medical Center of PLA General Hospital
Priority date: 2022-05-18
Filing date: 2022-05-18
Publication date: 2022-08-26
Anticipated expiration: 2032-05-18

Abstract

The utility model discloses a hand-wearing type hot shooting monitoring and early warning device relates to medical equipment technical field, including accomodating the frame, the upper surface of accomodating the frame has been seted up and has been accomodate the chamber, the internally mounted who accomodates the chamber has analytical equipment, first fixed plate is installed to analytical equipment's top, LCD is installed to the top of first fixed plate, the last fixed surface who accomodates the frame is connected with the glass apron, accomodate the front of frame and install temperature sensing device, accomodate the front of frame and install humidity sensing device, the left surface of accomodating the frame is provided with first coupling mechanism. It can be through setting up first coupling mechanism, second coupling mechanism, first connection wrist strap, second connection wrist strap, locking mechanism, can make this device carry in wrist department, has solved the inconvenient problem of carrying when going on a journey, has alleviateed the burden of going on a journey, has realized the convenience that this device carried.

Description

Hand-wearing type hot shooting monitoring and early warning device

Technical Field

The utility model relates to the technical field of medical equipment, specifically a hand-wearing type hot shooting monitoring and early warning device.

Background

The heat-shooting disease is commonly called heatstroke, and refers to the damage of nerve organs caused by the excessive accumulation of heat in the body and the disorder of the body temperature regulation function of the human body caused by high temperature. The heat stroke is a serious heatstroke in the classification of heatstroke, is a fatal disease, is mostly a young healthy person, is attacked after a plurality of hours of physical labor or strenuous exercise, has high fatality rate, and can leave sequelae even if the patient is out of life. The disease usually occurs in summer with high temperature accompanied by high humidity weather. In the humid and hot summer in the south, the period of high incidence of the heat shooting disease is, at the moment, a large batch of young people carry out long-time physical training under the burning sun while the students in various schools train military training and the officers and soldiers in the army train, the heat shooting disease is very easy to be caused, and a large number of cases are caused every year. Therefore, how to prevent the heat radiation disease becomes a problem to be solved in schools and new camps every year.

At present, a portable device for preventing heat stroke is disclosed in the prior art, and the patent numbers thereof are as follows: CN214173405U, which combines a temperature monitoring device and a humidity monitoring device with a thermal index board to visually display the incidence probability of the current environmental heat shooting disease, does not need too many electronic devices to perform logic judgment, only visually displays data, and is judged by an observer, thereby saving the cost of the device, and simultaneously, the device can be integrated on a body to be moved and carried, but the device needs to be carried by hand and is inconvenient to carry when going out, thereby increasing the burden of going out; therefore, the hand-wearing type hot-shooting disease monitoring and early warning device is provided to solve the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a hand-wearing type hot shooting monitoring and early warning device in order to make up the deficiency of the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a hand-worn type fever monitoring and early warning device, includes accomodates the frame, accomodate the upper surface of frame and seted up and accomodate the chamber, the internally mounted in accomodating the chamber has analytical equipment, first fixed plate is installed to analytical equipment's top, LCD is installed to the top of first fixed plate, accomodate the last fixed surface of frame and be connected with glass apron, accomodate the front of frame and install temperature-sensing device, accomodate the front of frame and install humidity induction system, the left surface of accomodating the frame is provided with first coupling mechanism, first coupling mechanism's inside articulates there is first connecting wrist strap, the right flank of accomodating the frame is provided with second coupling mechanism, second coupling mechanism's inside articulates there is the second connecting wrist strap, the lower extreme of second connecting wrist strap is provided with locking mechanism.

Furthermore, the first connecting mechanism comprises two third fixing plates which are symmetrical to each other and two first circular plates which are symmetrical to each other, one side face, close to the containing frame, of each of the two third fixing plates is fixedly connected to the right side face of the containing frame, and a third through hole is formed in one side face, far away from each other, of each of the two third fixing plates.

Further, the inside wall sliding connection of third through-hole has first connecting column, first connecting column runs through the back of second connection wrist strap and extends to the positive the place ahead of second connection wrist strap, first connecting column is close to the equal fixedly connected with first thread head of one end of two mutual symmetry third fixed plates, two first screw hole has all been seted up to the side that first plectane is close to each other, first thread head threaded connection is in the inside of first screw hole.

Furthermore, the second connecting mechanism comprises two mutually symmetrical fourth fixing plates and two mutually symmetrical second circular plates, the four fourth fixing plates are close to one side face of the containing frame and are fixedly connected to the left side face of the containing frame, and the four fourth through holes are formed in one side face, far away from each other, of the four fourth fixing plates.

Further, the inside wall sliding connection of fourth through-hole has the second spliced pole, the second spliced pole runs through the back of first connecting wrist strap and extends to the positive the place ahead of first connecting wrist strap, the second spliced pole is close to the first screw thread head of the equal fixedly connected with of one end of two mutual symmetry fourth fixed plates, two the second screw hole has all been seted up to the side that the second plectane is close to each other, second screw thread head threaded connection is in the inside of second screw hole.

Further, the locking mechanism comprises a connecting frame, a containing cavity, a movable plate, two first elastic parts which are symmetrical mutually and two fixing columns which are symmetrical mutually, the left side face of the connecting frame is fixedly connected to the lower end of the first connecting wrist strap, the containing cavity is formed in the left side face of the connecting frame, two first through holes which are symmetrical mutually are formed in the inner side wall of the containing cavity, a cover plate is fixedly connected to the right side face of the connecting frame, and a second through hole is formed in the right side face of the cover plate.

Further, two inserted bars of two mutual symmetries of left surface fixedly connected with of movable plate, two the draw-in groove has all been seted up to the side that the inserted bar is close to each other, two the equal fixedly connected with second fixed plate of the one end that first elastic component is close to each other, two the equal fixedly connected with plug in a side of keeping away from each other of first elastic component, the plug upper surface is close to one side fixedly connected with third spliced pole of first elastic component, the upper portion fixedly connected with slide bar that the third spliced pole is close to second fixed plate side.

Further, two the spout has all been seted up to the side that the fixed column kept away from each other, the surface of slide bar and the inside wall sliding connection of spout, the upper portion fixedly connected with that the second fixed plate side was kept away from to the third spliced pole presses the depression bar, the one end that the third spliced pole was kept away from to the movable plate runs through first through-hole, and extends to the outside of link frame, the inserted bar runs through the second through-hole and extends to the inside that holds the chamber, the inside of plug joint and draw-in groove.

Compared with the prior art, this hand-worn type fever monitoring and early warning device possesses following beneficial effect:

1. the utility model discloses a set up first coupling mechanism, second coupling mechanism, first connecting wrist strap, second connecting wrist strap, locking mechanism, can make this device carry in wrist department, solved the inconvenient problem of carrying when going on a journey, alleviateed the burden of going on a journey, realized the convenience that this device carried.

2. The utility model discloses a temperature sensing device, humidity induction system, LCD can be with the accurate detection of the temperature and the humidity of environment of locating, and it is right through analytical equipment whether the analysis is made to the environment and heat is penetrated the disease easily, if the environment of locating heat is penetrated the disease easily, accessible LCD sends the early warning, has realized the high efficiency of this device.

Drawings

Fig. 1 is a schematic view of a three-dimensional front view structure of the present invention;

FIG. 2 is a perspective front view of the present invention;

FIG. 3 is a perspective front exploded view of the locking mechanism of the present invention;

fig. 4 is a three-dimensional front view structure split view of the first connecting mechanism of the present invention;

fig. 5 is a perspective front view structure separating view of the second connecting mechanism of the present invention.

In the figure: 1. an accommodating frame; 2. a receiving cavity; 3. an analysis device; 4. a first fixing plate; 5. a liquid crystal display; 6. a glass cover plate; 7. a temperature sensing device; 8. a humidity sensing device; 9. a first connecting mechanism; 901. a third fixing plate; 902. a third through hole; 903. a first connecting column; 904. a first thread start; 905. a first circular plate; 906. a first threaded hole; 10. a second connecting mechanism; 1001. a fourth fixing plate; 1002. a fourth via hole; 1003. a second connecting column; 1004. a second thread start; 1005. a second circular plate; 1006. a second threaded hole; 11. a first connecting wristband; 12. a second connecting wristband; 13. a locking mechanism; 1301. a connecting frame; 1302. an accommodating chamber; 1303. a first through hole; 1304. a cover plate; 1305. a second through hole; 1306. moving the plate; 1307. inserting a rod; 1308. a card slot; 1309. a second fixing plate; 1310. a first elastic member; 1311. a plug; 1312. a third connecting column; 1313. a slide bar; 1314. fixing a column; 1315. a chute; 1316. the lever is pressed.

Detailed Description

The principles and features of the present invention are described below in conjunction with the following drawings, the examples given are only intended to illustrate the present invention and are not intended to limit the scope of the present invention.

This embodiment provides a hand-worn heat radiation disease monitoring and early warning device, and this early warning device is arranged in the monitoring process of heat radiation disease to easily take place the early warning of heat radiation disease environment, through the first coupling mechanism 9, second coupling mechanism 10, the locking mechanical system 13 that sets up, and this device of messenger that can be quick is fixed in wrist department for the portability of the device is more ideal, can guarantee heat radiation disease early warning device's convenience.

Referring to fig. 1-5, a hand-wearing type hot shooting monitoring and early warning device comprises a storage frame 1, wherein a storage cavity 2 is formed in the upper surface of the storage frame 1, an analysis device 3 is installed inside the storage cavity 2, a first fixing plate 4 is installed above the analysis device 3, a liquid crystal display 5 is installed above the first fixing plate 4, a glass cover plate 6 is fixedly connected to the upper surface of the storage frame 1, a temperature sensing device 7 is installed on the front surface of the storage frame 1, a humidity sensing device 8 is installed on the front surface of the storage frame 1, and a first connecting mechanism 9 is arranged on the left side surface of the storage frame 1.

The analyzer 3 is fixed on the inner bottom wall of the receiving cavity 2, the first fixing plate 4 is located above the analyzer 3 and fixed on the inner sidewall of the receiving cavity 2, and the lcd 5 is fixed on the upper surface of the first fixing plate 4 and has the same length and width as the receiving cavity 2.

Temperature and humidity through

temperature sensing device

7 and 8 detection ring border of humidity sensing device, then give analytical equipment 3 with the information transmission who gathers, through analytical equipment 3's analysis, whether the conclusion of easily taking place the heat-shooting disease, then transmit the conclusion for LCD 5, show for the user through LCD 5, if this environment easily takes place heat-shooting disease LCD 5 and shows red and explode and dodge, if this environment can not take place heat-shooting disease LCD 5 and show green, the early warning purpose of this device has been realized.

The first connecting mechanism 9 includes two mutually symmetrical third fixing plates 901 and two mutually symmetrical first circular plates 905, one side of the two third fixing plates 901 close to the storage frame 1 is fixedly connected to the right side of the storage frame 1, and one side of the two third fixing plates 901 away from each other is provided with a third through hole 902.

Where the length of the first connecting post 903 corresponds to the width of the second connecting wristband 12.

The inside wall sliding connection of third through-hole 902 has first connecting column 903, and first connecting column 903 runs through the back of second connection wrist strap 12 and extends to the positive the place ahead of second connection wrist strap 12, and first connecting column 903 is close to the equal fixedly connected with first thread head 904 of one end of two mutual symmetry third fixed plates 901, and first screw hole 906 has all been seted up to the side that two first plectanes 905 are close to each other, first thread head 904 threaded connection in the inside of first screw hole 906.

Where the length of the first thread start 904 corresponds to the length of the first threaded bore 906.

Drive first screw thread head 904 through first spliced pole 903 and run through third through hole 902 and second connection wrist strap 12, and extend to the place ahead of third fixed plate 901, then drive first screw hole 906 and first screw thread head 904 threaded connection through first plectane 905, realized second connection wrist strap 12 and accomodate being connected of frame 1.

The first connecting mechanism 9 is hinged with a first connecting wrist strap 11, and the right side surface of the containing frame 1 is provided with a second connecting mechanism 10.

The second connecting mechanism 10 includes two symmetrical fourth fixing plates 1001 and two symmetrical second circular plates 1005, one side of the two fourth fixing plates 1001 close to the storage frame 1 is fixedly connected to the left side of the storage frame 1, and one side of the two fourth fixing plates 1001 away from each other is provided with a fourth through hole 1002.

Where the length of the second attachment post 1003 corresponds to the width of the first attachment wristband 11.

The inside wall sliding connection of fourth through hole 1002 has second spliced pole 1003, and second spliced pole 1003 runs through the back of first connecting wrist strap 11 and extends to the positive the place ahead of first connecting wrist strap 11, and second spliced pole 1003 is close to the equal fixedly connected with first screw head 904 of one end of two mutual symmetry fourth fixed plates 1001, and second screw hole 1006 has all been seted up to the side that two second plectanes 1005 are close to each other, and second screw head 1004 threaded connection is in the inside of second screw hole 1006.

Where the length of the second threaded head 1004 corresponds to the length of the second threaded bore 1006.

Drive second screw thread head 1004 through second spliced pole 1003 and run through fourth through hole 1002 and first connecting wrist strap 11, and extend to the place ahead of fourth fixed plate 1001, then drive second screw hole 1006 and second screw thread head 1004 threaded connection through second plectane 1005, realized first connecting wrist strap 11 with accomodate being connected of frame 1.

The second connecting mechanism 10 is hinged with a second connecting wrist strap 12 inside, and the lower end of the second connecting wrist strap 12 is provided with a locking mechanism 13.

The locking mechanism 13 includes a connecting frame 1301, a containing cavity 1302, a moving plate 1306, two first elastic members 1310 that are symmetrical to each other, and two fixing columns 1314 that are symmetrical to each other, the left side surface of the connecting frame 1301 is fixedly connected to the lower end of the first connecting wrist strap 11, the containing cavity 1302 is formed on the left side surface of the connecting frame 1301, two first through holes 1303 that are symmetrical to each other are formed in the inner side wall of the containing cavity 1302, a cover plate 1304 is fixedly connected to the right side surface of the connecting frame 1301, and a second through hole 1305 is formed in the right side surface of the cover plate 1304.

Here, the connecting frame 1301 and the moving plate 1306 directly contact with the wrist, and the corners should be rounded during the production process to avoid scratching the skin.

Two symmetrical inserting rods 1307 are fixedly connected to the left side surface of the moving plate 1306, a clamping groove 1308 is formed in one side surface, close to each other, of each of the two inserting rods 1307, a second fixing plate 1309 is fixedly connected to one end, close to each other, of each of the two first elastic pieces 1310, a plug 1311 is fixedly connected to one side surface, far away from each other, of each of the two first elastic pieces 1310, a third connecting column 1312 is fixedly connected to one side surface, close to each of the first elastic pieces 1310, of the upper surface of each of the plugs 1311, and a sliding rod 1313 is fixedly connected to the upper portion, close to one side surface of each of the second fixing plates 1309, of each of the third connecting columns 1312.

The first resilient member 1310 is preferably a spring, and the second aperture 1305 has a length and width that are substantially equal to the length and width of the stem 1307, so that the slot 1308 and the plug 1311 are positioned at the same level when the stem 1307 is maximally inserted into the second aperture 1305.

One side surface of each of the two fixing posts 1314, which is far away from each other, is provided with a sliding groove 1315, the outer surface of the sliding rod 1313 is slidably connected with the inner side wall of the sliding groove 1315, the upper part of the third connecting post 1312, which is far away from one side surface of the second fixing plate 1309, is fixedly connected with a pressing rod 1316, one end of the moving plate 1306, which is far away from the third connecting post 1312, penetrates through the first through hole 1303 and extends to the outside of the connecting frame 1301, the inserting rod 1307 penetrates through the second through hole 1305 and extends to the inside of the accommodating cavity 1302, and the plug 1311 is clamped and connected with the inside of the clamping groove 1308.

The sliding rod 1313 is here also in sliding connection with the sliding groove 1315 when not under force.

The moving plate 1306 drives the plug 1307 to penetrate through the second through hole 1305 and extend to the inside of the accommodating cavity 1302, meanwhile, the slope surface of the plug 1311 is pressed by the plug 1307, the plug 1311 is moved towards one end close to the first elastic piece 1310 under the action of the pressure of the plug 1307, and the first elastic piece 1310 is compressed, when the plug 1307 is inserted into the chute 1315 to the maximum extent, the card slot 1308 and the plug 1311 are in the same horizontal plane, so that the force for compressing the first elastic piece 1310 is relieved, the plug 1311 is driven to be quickly returned under the action of the elasticity of the first elastic piece 1310 and inserted into the card slot 1308, and the connection of the first connecting wrist strap 11 and the second connecting wrist strap 12 is realized.

The working principle is as follows: when the first connecting mechanism 9 is installed, the first connecting rod 903 drives the first threaded head 904 to penetrate through the third through hole 902 and the second connecting wrist strap 12 and extend to the front of the third fixing plate 901, then the first circular plate 905 drives the first threaded hole 906 to be in threaded connection with the first threaded head 904, so that the second connecting wrist strap 12 is connected with the containing frame 1, when the second connecting mechanism 10 is installed, the second connecting rod 1003 drives the second threaded head 1004 to penetrate through the fourth through hole 1002 and the first connecting wrist strap 11 and extend to the front of the fourth fixing plate 1001, then the second circular plate 1005 drives the second threaded hole 1006 to be in threaded connection with the second threaded head 1004, so that the first connecting wrist strap 11 is connected with the containing frame 1, when the device is used, the containing frame 1, the first connecting wrist strap 11 and the second connecting wrist strap 12 are firstly wrapped, the moving plate 1306 drives the inserting rod 1307 to penetrate through the second through hole 1305, and extends to the inside of the accommodating cavity 1302, and the slope of the plug 1311 is pressed by the plunger 1307, so that the plug 1311 moves towards the end close to the first elastic element 1310 under the pressure of the plunger 1307, and the force for compressing the first elastic element 1310 is given, when the plunger 1307 is inserted into the chute 1315 to the maximum extent, the slot 1308 and the plug 1311 are on the same horizontal plane, and then the force for compressing the first elastic element 1310 is released, the plug 1311 is driven to fast return to and be inserted into the inside of the slot 1308 under the elastic action of the first elastic element, so that the connection between the first connection wrist strap 11 and the second connection wrist strap 12 is realized, when the device needs to be taken off from the wrist, by pressing the pressing rod 1316, and then the third connection column 1312 is driven to move towards the side close to the sliding rod 1313, and the sliding rod 1313 slides towards the end far from the third connection column 1312 in the inside of the chute 1315, and simultaneously drives the plug 1311 to move towards the end close to the first elastic element 1310, and the first elastic element 1310 is applied with a compressive force, so that the plug 1311 is disengaged from the slot 1308, and then the moving plate 1306 is pulled towards the side far away from the cover plate 1304, so as to drive the inserting rod 1307 to be pulled out of the second through hole 1305, so that the connection between the first connecting wrist strap 11 and the second connecting wrist strap 12 is released, and the purpose that the device is removed from the wrist is achieved.

The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. The utility model provides a disease monitoring and early warning device is penetrated to hand-wearing formula heat, is including accomodating frame (1), its characterized in that: the upper surface of the containing frame (1) is provided with a containing cavity (2), an analysis device (3) is arranged in the containing cavity (2), a first fixing plate (4) is arranged above the analysis device (3), a liquid crystal display (5) is arranged above the first fixing plate (4), the upper surface of the containing frame (1) is fixedly connected with a glass cover plate (6), a temperature sensing device (7) is arranged on the front surface of the containing frame (1), a humidity sensing device (8) is arranged on the front surface of the containing frame (1), a first connecting mechanism (9) is arranged on the left side surface of the containing frame (1), a first connecting wrist strap (11) is hinged in the first connecting mechanism (9), a second connecting mechanism (10) is arranged on the right side surface of the containing frame (1), a second connecting wrist strap (12) is hinged in the second connecting mechanism (10), the lower end of the second connecting wrist strap (12) is provided with a locking mechanism (13).

2. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 1, characterized in that: the first connecting mechanism (9) comprises two mutually symmetrical third fixing plates (901) and two mutually symmetrical first circular plates (905), one side face, close to the containing frame (1), of each of the two third fixing plates (901) is fixedly connected to the right side face of the containing frame (1), and a third through hole (902) is formed in one side face, far away from each other, of each of the two third fixing plates (901).

3. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 2, characterized in that: the inside wall sliding connection of third through-hole (902) has first connecting column (903), first connecting column (903) run through the back of second connection wrist strap (12) and extend to the positive the place ahead of second connection wrist strap (12), first connecting column (903) are close to the equal fixedly connected with first screw head (904) of one end of two mutual symmetry third fixed plates (901), two first screw hole (906) have all been seted up to the side that first plectane (905) are close to each other, first screw head (904) threaded connection is in the inside of first screw hole (906).

4. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 1, characterized in that: the second connecting mechanism (10) comprises two symmetrical fourth fixing plates (1001) and two symmetrical second circular plates (1005), one side face, close to the containing frame (1), of each fourth fixing plate (1001) is fixedly connected to the left side face of the containing frame (1), and the other side face, far away from the fourth fixing plates (1001), of each fourth fixing plate is provided with a fourth through hole (1002).

5. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 4, characterized in that: the inside wall sliding connection of fourth through-hole (1002) has second spliced pole (1003), second spliced pole (1003) run through the back of first connecting wrist strap (11) and extend to the front of first connecting wrist strap (11) front, the equal fixedly connected with first screw head (904) of one end that second spliced pole (1003) is close to two mutual symmetry fourth fixed plates (1001), two second screw hole (1006) have all been seted up to a side that second plectane (1005) are close to each other, and second screw head (1004) threaded connection is in the inside of second screw hole (1006).

6. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 1, characterized in that: the locking mechanism (13) comprises a connecting frame (1301), an accommodating cavity (1302), a moving plate (1306), two first elastic pieces (1310) which are symmetrical to each other and two fixing columns (1314) which are symmetrical to each other, the left side face of the connecting frame (1301) is fixedly connected to the lower end of a first connecting wrist strap (11), the accommodating cavity (1302) is formed in the left side face of the connecting frame (1301), two first through holes (1303) which are symmetrical to each other are formed in the inner side wall of the accommodating cavity (1302), a cover plate (1304) is fixedly connected to the right side face of the connecting frame (1301), and a second through hole (1305) is formed in the right side face of the cover plate (1304).

7. The hand-wearing type hot-shooting disease monitoring and early-warning device according to claim 6, characterized in that: the movable plate is characterized in that two symmetrical inserting rods (1307) are fixedly connected to the left side face of the movable plate (1306), a clamping groove (1308) is formed in one side face, close to each other, of the two inserting rods (1307), a second fixing plate (1309) is fixedly connected to one end, close to each other, of each first elastic piece (1310), a plug (1311) is fixedly connected to one side face, far away from each other, of each first elastic piece (1310), a third connecting column (1312) is fixedly connected to one side, close to each first elastic piece (1310), of the upper surface of each plug (1311), and a sliding rod (1313) is fixedly connected to the upper portion, close to one side face of each second fixing plate (1309), of each third connecting column (1312).

8. The hand-wearing type heat-shooting disease monitoring and early-warning device according to claim 7, characterized in that: sliding grooves (1315) are formed in one side face, away from each other, of each of the two fixing columns (1314), the outer surface of each sliding rod (1313) is in sliding connection with the inner side wall of each sliding groove (1315), the upper portion, away from one side face of the second fixing plate (1309), of the third connecting column (1312) is fixedly connected with a pressing rod (1316), one end, away from the third connecting column (1312), of the moving plate (1306) penetrates through the first through hole (1303) and extends to the outer portion of the connecting frame (1301), the inserting rod (1307) penetrates through the second through hole (1305) and extends to the inner portion of the accommodating cavity (1302), and the plug (1311) is clamped with the clamping groove (1308).