CN220647153U - Bonding device - Google Patents

Abstract

The utility model relates to a jointing device, which comprises a device body with an annular clamping groove and a protective ring matched with the annular clamping groove, and is characterized by further comprising a display module, wherein the display module comprises a display device, the display device is arranged in the annular clamping groove, the protective ring is sleeved in the annular clamping groove, the display device is positioned at the inner side of the protective ring, and at least the part of the protective ring corresponding to the display device can transmit light; the joint device not only can rapidly identify and distinguish pipe networks so as to rapidly overall and schedule, but also can enable on-site staff to rapidly find the required pipe network so as to rapidly and efficiently change, add and the like the pipe network, and the efficiency is remarkably improved.

Description

Bonding device

Technical Field

The utility model relates to the technical field of jointing apparatuses, in particular to a jointing device.

Background

The engagement means generally refers to an intermediate connection for communicating at least two delivery devices, primarily for connection and communication in a network of pipes. The joint device commonly used in the prior art comprises an interface (or called a joint), a water separator, a water collector, a joint and the like, wherein the interface comprises a water hose interface for connecting a water hose and a water hose or a water hose and equipment together, a special-shaped interface for realizing transitional connection of two different types of interfaces and the like, the water hose interface has various forms, such as a two-way interface, a three-way interface and the like commonly used in daily life, and an internal buckle interface, a clip interface, a threaded interface and the like commonly used in the fire protection field; the water separator is mainly used for connecting a water supply trunk line with a plurality of water outlet branch lines to realize the effect of diversion; the water collector is mainly used for connecting a plurality of water supply branch lines with a water supply main line to play a role of converging. The joint device is widely applied in daily life and industrial production, and is also widely used in the fire-fighting field. In order to protect the bonding device, some existing bonding devices are generally configured with a ring-shaped clamping groove, an elastic protecting ring is sleeved in the ring-shaped clamping groove, and the outer surface of the protecting ring is generally protruded outwards from the surface of the bonding device, so that the bonding device can be contacted or collided with other devices through the protecting ring, the elasticity of the protecting ring is utilized to play a role in buffering and damping, the bonding device can be effectively protected, and the service life of the bonding device is prolonged.

In a fire rescue, a plurality of fire-fighting teams are usually started, each fire-fighting team usually lays a respective fire-fighting pipe network on site, each fire-fighting pipe network usually comprises a plurality of water bands and a plurality of joint devices (the joint devices usually comprise interfaces, water splitters, water collectors and the like), so that the water band pipe network laid on site is intricate, on one hand, the whole water band laying line is unclear, and quick overall planning and scheduling are difficult; on the other hand, on-site firefighters cannot easily distinguish the fire-fighting pipe network laid by each fire-fighting team, so that not only can the corresponding fire-fighting team be difficult to find quickly, but also the work of changing, adding and the like of the fire-fighting pipe network can be difficult to complete quickly, and the efficiency is very low. In order to solve the technical problems, through research and development, an effective technical means is to configure a display device on a joint device, so that the joint devices of each fire department can respectively display different contents, thereby forming effective distinction, being convenient for on-site overall planning and scheduling and being convenient for quickly and accurately adding or changing fire pipe networks of the corresponding fire departments. However, in practical application, the display device is a vulnerable device, and under the conditions of the severe environment of a fire rescue site and the pursuing of speed and efficiency by firefighters, the problems of crashing, crashing and the like are very easy to occur, so that the reliability is low and the service life is not long. In addition, the display device is configured on the joint device, and related accessories are needed to be constructed to fix the display device, so that the display device is prevented from falling off, and the whole technical scheme is complex in structure and high in cost, so that the problem needs to be solved.

Disclosure of Invention

The utility model aims to solve the problems of quick identification and distinguishing of a pipe network with low cost, reliability and durability, and provides a joint device which is convenient for distinguishing, and the joint device not only can quickly identify and distinguish the pipe network so as to quickly integrate and dispatch, but also has the characteristics of low cost, high reliability, durability and the like, and is mainly conceived as follows:

an engagement device comprising a device body configured with an annular clamping groove and a guard ring adapted to the annular clamping groove,

the display device is arranged in the annular clamping groove, the protection ring is sleeved in the annular clamping groove, the display device is positioned on the inner side of the protection ring, and at least the part of the protection ring corresponding to the display device can transmit light. In the scheme, the display module with the display device is configured in the joint device so as to display the required information by using the display device, so that the displayed information can be used as a distinguishing mark of the pipe network, on one hand, the problem that the on-site pipe network is intricate and difficult to distinguish quickly can be solved, the laying line of the pipe network is clear, the on-site personnel can quickly find the required pipe network, the on-site personnel can quickly and efficiently change, add and the like the pipe network, the efficiency can be obviously improved, and on the other hand, the information displayed by the display device is used as the distinguishing mark of the pipe network, the interference problem of environmental factors can be effectively solved, and on the other hand, the on-site personnel can also clearly see the information displayed by the display device in the non-illumination environment, the environment with poor light, the smoke cage environment, the occasion at night and the like, and the on the other hand, the on-site personnel can be particularly suitable for the field of fire rescue; the display device is arranged in the annular clamping groove of the joint device, and the protection ring is sleeved in the annular clamping groove, so that the display device is just positioned at the inner side of the protection ring, on one hand, the display device can be effectively prevented from being in direct contact with and colliding with an external object in the use process, the protection ring at the outer side can play roles of buffering, damping and the like, the protection ring can be used for effectively protecting the display device at the inner side, the reliability and the service life of the display device can be obviously improved, and the display module is more durable; on the other hand, the protective ring can also play a role in restraining and fixing the display device on the inner side, and can effectively prevent the display device from falling off, so that other accessories are not required to be configured for fixing the display device, and the structure of the existing device body is not required to be improved in a complex manner, thereby remarkably reducing the production cost and the use cost; at least the part of the protective ring corresponding to the display device is constructed to be transparent, so that the protective ring does not influence the display content and the display effect of the display device, and on-site personnel can still clearly see the information displayed by the display device, thereby achieving the purpose of rapid identification and distinction.

Preferably, the protective ring is a light-transmitting protective ring. The assembly is convenient, and the better display effect is realized.

Preferably, the display device is arranged along a circumferential direction of the annular clamping groove. The display device is convenient to arrange, the area of the display device can be effectively increased, and the display area is improved.

Preferably, the protective ring covers the display device on the inside. That is, the display device is completely accommodated within the range of the guard ring, and the display device on the inner side can be better protected.

In order to further improve the stability and reliability of the display device, further, a circle of annular grooves are formed on the inner side face of the protective ring, and the display device is accommodated in the annular grooves. Through the annular groove of round of medial surface structure at the guard ring, on the one hand, after the guard ring snare is located annular draw-in groove, can form the space that is used for holding display device at least between the bottom of guard ring and annular draw-in groove, both be convenient for the assembly of display device, can effectively reduce even eliminate the pressure between guard ring and the display device again for display device's atress is littleer, is favorable to protecting display device. On the other hand, the processing of annular recess for the edge of the inboard of guard ring can form two annular archs, after the guard ring snare is located annular draw-in groove, this arch supports in the bottom of annular draw-in groove, on the one hand, can play the effect of supporting the guard ring, on the other hand, when the guard ring bumps or collides with the foreign object in the use, the collision force can be via protruding dispersion to the device body in, thereby can greatly reduced the collision force that the display device bore, and then can further protect the display device, prevent the display device damage, reach the purpose that further improves display device stability and reliability. In addition, the design has better sealing effect, can play roles in waterproof, dampproof, dustproof and the like, and can further improve the stability and reliability of the display device.

Further, the display device is bonded to the device body and/or the device body is bonded to the guard ring. So as to strengthen the fixing effect on the display device and effectively prevent the display device from falling off in the using process.

Further, the display module further comprises a control unit adapted to the display device, and the control unit is electrically connected with the display device. The control unit is configured to ensure that the display device can normally display information.

Preferably, the control unit includes a controller electrically connected with the display device.

Preferably, the control unit is disposed in the annular clamping groove and located at the inner side of the protection ring. That is, the display device and the control unit adapted to the display device are both disposed inside the guard ring, which is convenient for rapid assembly, and can reduce the space between the display device and the control unit, thereby facilitating wiring and making an integrated structure, and further facilitating cost reduction and reliability improvement.

Further, the display device further comprises a power supply for supplying power, wherein the power supply is arranged on the device body and is electrically connected with the display module. The power supply is configured on the device body, and the power supply is utilized to supply power to the display module, so that the display module does not need external power supply in the actual use process, and the joint device is more convenient and efficient to use.

Preferably, the charging device further comprises a charging interface for charging, and the charging interface is electrically connected with the power supply. The power supply is charged by the charging interface, so that the electric quantity of the power supply can be ensured, the display module is ensured to have the required display duration, and the display module can be repeatedly and circularly used together with the joint device, thereby being beneficial to reducing the use cost.

Preferably, the display device adopts a display screen or a luminous lamp strip. The method can display the needed information as the distinguishing mark, and can overcome the interference of environmental factors, so that good distinguishing effect can be achieved in the places such as non-illumination environment, environment with poor light, smoke covering environment, night and the like.

Preferably, the display screen is an LED display screen. Low cost, high reliability and good display effect.

Compared with the prior art, the joint device provided by the utility model can be used for rapidly identifying and distinguishing the pipe network so as to rapidly carry out overall planning and scheduling, and can be used for rapidly finding out the required pipe network by on-site staff so as to rapidly and efficiently carry out work such as changing and adding the pipe network, so that the efficiency is obviously improved, and in addition, the joint device has the characteristics of low cost, high reliability, durability and the like.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic structural diagram of a conventional connector, specifically a KDK female connector with an annular slot.

Fig. 2 is a partial cross-sectional view of fig. 1.

Fig. 3 is a schematic structural view of another conventional joint device, specifically a fire-fighting cartridge type water separator equipped with an annular clamping groove.

Fig. 4 is a schematic structural diagram of a connector according to embodiment 1 of the present utility model, in which a KDK female connector with an annular slot is used as a device body.

Fig. 5 is a cross-sectional view at A-A in fig. 4.

FIG. 6 is a partial cross-sectional view of a guard ring according to embodiment 1 of the present utility model.

FIG. 7 is a partial cross-sectional view of the prior art guard ring of FIG. 4 replaced with the guard ring of FIG. 6.

Fig. 8 is a schematic diagram of a display module in a ring arrangement according to embodiment 1 of the present utility model.

FIG. 9 is a cross-sectional view at A-A in FIG. 4 after replacing the display module shown in FIG. 8 with the protective collar shown in FIG. 6.

Description of the drawings

Device body 1, internal flow channel 11, port 12, annular clamping groove 13

Guard ring 2, annular groove 21, projection 22

A display device 31, a control unit 32.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by a person skilled in the art without making any inventive effort, are intended to be within the scope of the present utility model.

Example 1

In this embodiment, there is provided a bonding device including a device body 1, a guard ring 2, and a display module, wherein,

as shown in fig. 1-3, the device body 1 comprises at least one internal flow channel 11 and at least two ports 12 in communication with the internal flow channel 11, the two ports 12 being adapted, in use, to be connected to other delivery means (such as a hose or the like), respectively. Meanwhile, in the present embodiment, the device body 1 is further configured with at least one annular clamping groove 13 for disposing the protection ring 2, the inner flow channel 11 is generally disposed inside the annular clamping groove 13, and in some special cases, the central axis of the annular clamping groove 13 may coincide with the central axis of the inner flow channel 11, as shown in fig. 2 or fig. 4.

In this embodiment, the display module includes a display device 31, where the display device 31 is disposed in the annular slot 13, and the protection ring 2 is also sleeved in the annular slot 13, so that the display device 31 is located inside the protection ring 2, that is, the display device 31 is sandwiched between the device body 1 and the protection ring 2, as shown in fig. 4, and accordingly, at least a portion of the protection ring 2 corresponding to the display device 31 is configured to be capable of transmitting light so as not to shade information displayed by the display device 31.

In implementation, the device body 1 has various embodiments, the device body 1 may be a joint device provided with an annular clamping groove 13 in the prior art, for example, in the first embodiment, the device body 1 may be an interface provided with an annular clamping groove 13 in the prior art, the interface may be a water hose interface for connecting a water hose and a water hose or a device together, a special-shaped interface for realizing transitional connection of two different types of interfaces, for example, the interface may be a two-way interface, a three-way interface, a female interface, a clip-type interface, a screw-type interface, etc. commonly used in the fire protection field, and in this embodiment, the device body 1 is a female interface in the female interface, as shown in fig. 1 and 4, the model may be a KDK type, and of course, the device body 1 may also preferably adopt a KYK type female tube interface, a KJK type reducing interface, etc.

In the second embodiment, the device body 1 may also be a water separator configured with an annular clamping groove 13 in the prior art, and the water separator may be a fire-fighting water separator, in particular, a fire-fighting clamping water separator (as shown in fig. 3), a fire-fighting clamping water trisector, a fire-fighting clamping water tetrastearer, and the like, which are configured with an annular clamping groove 13 for providing the protection ring 2.

By directly adopting the jointing device provided with the annular clamping groove 13 in the prior art as the device body 1, the annular clamping groove 13 of the device can be fully utilized, only the display device 31 and the protective ring 2 which is matched with the annular clamping groove 13 and has the light transmission function are required to be arranged, the design and processing work of the annular clamping groove 13 are not required, the jointing device with the display function can be realized under the condition that the structure of the existing jointing device is unchanged, and therefore, the production and assembly process can be simplified, and the cost is obviously reduced.

The device body 1 may be a conventional device without the annular clamping groove 13, and the conventional device without the annular clamping groove 13 may be processed with the annular clamping groove 13, and the annular clamping groove 13 may be processed near one of the ports 12 in the conventional device and located outside the internal flow channel 11, so as to facilitate the protection ring 2 to be sleeved into the annular clamping groove 13 from the port 12. At this time, the device body 1 may adopt an interface and a water separator, etc. in which the annular clamping groove 13 is not configured in the prior art, and the device body 1 may also adopt a water collector in the prior art, and the water collector may preferably adopt a fire-fighting water collector. The device body 1 may also be an adapter in the prior art, such as a fire pump adapter commonly used in the fire-fighting field.

In this embodiment, the annular clamping groove 13 includes a bottom surface and two side surfaces located at two sides of the bottom surface, so that the cross section of the annular clamping groove 13 may form a U-shape or a trapezoid or a similar structure, as shown in fig. 2-4, so as to better constrain the display device 31, prevent the display device 31 from falling off, and also better cooperate with the protection ring 2.

In this embodiment, the guard ring 2 is preferably made of an elastic material so as to have the effect of buffering and shock absorption, and may be preferably made of a material such as rubber, silicone rubber, or the like. In implementation, the part of the protective ring 2 corresponding to the display device 31 can be made of a light-transmitting material, such as light-transmitting rubber, so that the display content and the display effect of the display device 31 are not affected by the protective ring 2, and information displayed by the display device 31 can still be clearly seen by field personnel, thereby achieving the purpose of rapid identification and distinction. Of course, the protective ring 2 can also be integrally made of the light-transmitting protective ring 2, namely, the whole protective ring 2 can also be made of light-transmitting materials, so that the assembly is convenient, the better display effect is realized, the integral forming of the protective ring 2 is facilitated, and the cost is reduced.

In practice, the size of the guard ring 2 is adapted to the annular clamping groove 13, and the specific size of the guard ring may be determined according to practical requirements, however, generally, the inner diameter of the guard ring 2 should be smaller than the diameter of the outer contour of the side surface of the annular clamping groove 13, so that the guard ring 2 is not easy to fall off from the annular clamping groove 13, and the inner diameter of the guard ring 2 may be larger than, smaller than or equal to the diameter of the bottom surface in the annular clamping groove 13. It will be appreciated that the relative sizes are different and the effects achieved are slightly different.

In implementation, the display device 31 may be a display screen or a light-emitting strip, where the display screen may preferably be an LED display screen, and may specifically be an LED flexible display screen. Of course, in implementation, the display screen may also be an existing curved screen, and when the display device 31 is a display screen, information such as characters, numbers, graphics, coincidence, etc. may be preferentially displayed on the display screen so as to be distinguished from each other; the display mode can be scroll display or static continuous display. When the display device 31 employs the light-emitting lamp strips, different information can be formed by the colors of the light-emitting lamp strips, the patterns or designs formed by the light-emitting lamp strips, and the like, and the purpose of distinguishing from each other can also be achieved.

When in assembly, the display device 31 can be arranged along the circumferential direction of the annular clamping groove 13, so that the display device 31 is convenient to arrange, the area of the display device 31 can be effectively increased, and the display area is increased. For example, the display device 31 may employ an elongated LED flexible display screen having a width smaller than the width of the bottom surface of the annular clamping groove 13, so that the display device 31 may be arranged in the circumferential direction of the annular clamping groove 13, as shown in fig. 5.

In practice, the protective ring 2 can press the display device 31 on the bottom surface of the annular clamping groove 13, so as to achieve the purpose of restraining the display device 31. In order to enhance the restraining effect on the display device 31, in a further scheme, the display device 31 may be adhered to the device body 1 by an adhesive, and in particular may be adhered to the bottom surface of the annular clamping groove 13 by the adhesive, so as to play a role in assisting in fixing the device body 1. Similarly, the display device 31 may be adhered to the protection ring 2 by an adhesive, and specifically may be adhered to the inner side surface of the protection ring 2 by an adhesive, so as to achieve the effect of assisting in fixing the device body 1. It will be appreciated that in practice, the display device 31 may be bonded to both the device body 1 and the guard ring 2 by an adhesive, thereby effectively preventing the display device 31 from falling off during use.

Furthermore, in a more sophisticated solution, the protective ring 2 may also cover the inner display device 31, i.e. the protective ring 2 may cover the inner display device 31 completely, so that the display device 31 is accommodated completely within the protective ring 2, which may better protect the inner display device 31. Thus, in a further embodiment, the inner side surface of the protection ring 2 is further configured with a ring-shaped groove 21, and as shown in fig. 6 and 7, the cross section of the ring-shaped groove 21 may be formed into a U shape or a trapezoid shape or a similar combination. Accordingly, the display device 31 can be accommodated in the annular recess 21 at the time of assembly, as shown in fig. 6 and 7. In this embodiment, by constructing the annular groove 21 on the inner side surface of the guard ring 2, on one hand, after the guard ring 2 is sleeved in the annular clamping groove 13, a space for accommodating the display device 31 can be formed between the guard ring 2 and the bottom of the annular clamping groove 13, which is convenient for assembling the display device 31, and can effectively reduce or even eliminate the pressure between the guard ring 2 and the display device 31, so that the stress of the display device 31 is smaller, and the display device 31 is protected. On the other hand, the processing of the annular groove 21 makes the edge of the inner side of the protection ring 2 form two annular protrusions 22, as shown in fig. 6 and 7, when the protection ring 2 is sleeved in the annular clamping groove 13, the protrusions 22 can abut against the bottom of the annular clamping groove 13, on the one hand, the protection ring 2 can be supported, on the other hand, when the protection ring 2 collides with an external object or collides with the external object in the use process, the collision force can be dispersed into the device body 1 through the protrusions 22, so that the collision force born by the display device 31 can be greatly reduced, the display device 31 can be further protected, the display device 31 is prevented from being damaged, and the purposes of further improving the stability and reliability of the display device 31 are achieved. In addition, the design has better sealing effect, can play roles of water resistance, moisture resistance, dust resistance and the like, and can further improve the stability and the reliability of the display device 31.

In a more sophisticated version, the display module further comprises a control unit 32 adapted to the display device 31, said control unit 32 being electrically connected to the display device 31 in order to ensure that the display device 31 is able to display information normally by the control unit 32. In operation, the control unit 32 includes a circuit board, a controller, etc., and the controller is disposed on the circuit board and electrically connected to the display device 31. In implementation, the control unit 32 may be disposed outside the annular clamping groove 13, for example, the control unit 32 may be embedded in the device body 1, and the control unit 32 may be electrically connected with the display device 31 through a wire, for example, the control unit 32 may be disposed in the annular clamping groove 13 and located inside the protective ring 2, as shown in fig. 8 and 9, that is, the display device 31 and the control unit 32 adapted to the display device 31 may be disposed inside the protective ring 2, which is convenient for rapid assembly, and may reduce the interval between the display device 31 and the control unit 32, thereby facilitating the reduction of cost and the improvement of reliability. As an example, as shown in fig. 8, the display device 31 and the control unit 32 may be made in a unitary structure.

In more perfect scheme, this joint device still includes the power that is used for supplying power, the power can set up in device body 1, and the power with the display module electricity is connected to utilize the power to supply power for the display module, make the display module need not the external power supply in the in-service use, thereby make this joint device's use more convenient, high-efficient. In practice, the power supply may be embedded in the device body 1. In addition, the power supply can also be an independent device, and at this time, the power supply is usually arranged in a shell, the shell plays a role in protecting the power supply, and the shell of the power supply is arranged on the device body 1, for example, the power supply can preferably adopt a power supply module in a water hose connector disclosed in Chinese patent CN 218944228U, and the power supply can be adhered to the device body 1, can be connected to the device body 1 through bolts, can be welded to the device body 1, and can also be held tightly on the device body 1. When the method is implemented, the power supply can preferably adopt a storage battery, a lithium battery and the like, and correspondingly, the method further comprises a charging interface for charging, wherein the charging interface is electrically connected with the power supply, so that the power supply is charged by using the charging interface, the electric quantity of the power supply can be ensured, the display module is ensured to have the required display duration, and the display module can be repeatedly and circularly used together with the joint device, thereby being beneficial to reducing the use cost. In implementation, the charging interface may be disposed on the device body 1 when the power supply is embedded in the device body 1, and the charging interface may be disposed on the housing of the power supply when the power supply is mounted on the device body 1.

In the jointing device provided by the embodiment, the display module with the display device 31 is configured in the jointing device so as to display the required information by using the display device 31, so that the displayed information can be used as a distinguishing mark of the pipe network, on one hand, the problem that the on-site pipe network is complicated and difficult to distinguish quickly can be solved, the laying line of the pipe network is clear, the on-site personnel can conveniently and quickly arrange and dispatch the required pipe network, the on-site personnel can quickly and efficiently change, add and other works on the pipe network, the efficiency can be greatly improved, and on the other hand, the interference problem of environmental factors can be effectively solved by adopting the information displayed by the display device 31 as the distinguishing mark of the pipe network, so that on-site personnel can clearly see the information displayed by the display device 31 in the situations of no-illumination environment, environment with poor light, smoke cage environment, night and the like, and the on the other occasions, and the jointing device is particularly suitable for the fire rescue field; the display device 31 is arranged in the annular clamping groove 13 of the joint device, and the protective ring 2 is sleeved in the annular clamping groove 13, so that the display device 31 is just positioned at the inner side of the protective ring 2, on one hand, the display device 31 can be effectively prevented from being in direct contact with and colliding with external objects in the use process, the protective ring 2 at the outer side can play roles of buffering, damping and the like, the display device 31 at the inner side can be effectively protected by the protective ring 2, the reliability and the service life of the display device 31 can be obviously improved, and the display module is more durable; on the other hand, the protective ring 2 can also play a role in restraining and fixing the display device 31 on the inner side, and can effectively prevent the display device 31 from falling off, so that other accessories are not required to be configured to fix the display device 31, and the structure of the existing device body 1 is not required to be improved in a complex manner, thereby remarkably reducing the production cost and the use cost.

The foregoing is merely illustrative of the present utility model, and the present utility model is not limited thereto, and any person skilled in the art will readily recognize that variations or substitutions are within the scope of the present utility model.

Claims (10)

1. The joint device comprises a device body provided with an annular clamping groove and a protective ring matched with the annular clamping groove, and is characterized by further comprising a display module, wherein the display module comprises a display device, the display device is arranged in the annular clamping groove, the protective ring is sleeved in the annular clamping groove, the display device is positioned on the inner side of the protective ring, and at least the part of the protective ring corresponding to the display device can transmit light.

2. The bonding device according to claim 1, wherein the display device employs a display screen or a light-emitting strip.

3. The bonding device according to claim 2, wherein the display screen is an LED display screen;

and/or the display devices are arranged along the circumferential direction of the annular clamping groove.

4. The bonding device according to claim 1, wherein the guard ring is a light transmissive guard ring.

5. The bonding device according to claim 1, wherein the guard ring encloses the display device on the inside.

6. The engagement device of claim 5, wherein the inner side of the guard ring is further configured with a ring-shaped recess, the display device being received in the ring-shaped recess.

7. The bonding device according to claim 1, wherein the display device is bonded to the device body and/or the device body is bonded to the guard ring.

8. The bonding device according to claim 1, wherein the display module further comprises a control unit adapted to the display device, the control unit being electrically connected to the display device.

9. The bonding device according to claim 8, wherein the control unit comprises a controller electrically connected to the display device;

and/or the control unit is arranged in the annular clamping groove and is positioned at the inner side of the protective ring.

10. The bonding device according to claim 1, further comprising a power supply for supplying power, the power supply being provided to the device body, the power supply being electrically connected to the display module;

and/or the device body adopts an interface or a water separator or a water collector or a connector.