CN221210214U

CN221210214U - Protective equipment

Info

Publication number: CN221210214U
Application number: CN202322856556.8U
Authority: CN
Inventors: 陈胜来; 祁剑; 赵志伟; 王刚; 苏鸿儒; 黄国辉
Original assignee: CRRC Datong Co Ltd
Current assignee: CRRC Datong Co Ltd
Priority date: 2023-10-24
Filing date: 2023-10-24
Publication date: 2024-06-25
Anticipated expiration: 2033-10-24

Abstract

The utility model provides protective equipment, and relates to the technical field of protective equipment. The protective equipment comprises a protective frame and a purifying component; the protective frame is provided with an operation space; the purification component comprises a purification box, a filter screen, an air inlet pipeline, an exhaust pipeline and a fan; the filter screen is arranged in the purifying box and is used for purifying harmful gas, the filter screen divides the inner cavity of the purifying box into a first cavity and a second cavity, and the purifying box is provided with an exhaust port for exhausting the purified gas; one end of the air inlet pipeline is connected with the purifying box, and the other end of the air inlet pipeline extends into the operation space; one end of the exhaust pipeline is connected with the purifying box, and the other end of the exhaust pipeline is connected with the fan; the operation space, the inner cavity of the air inlet pipeline, the first cavity, the second cavity, the air outlet, the inner cavity of the air outlet pipeline and the air inlet of the fan are sequentially communicated. The utility model can purify the harmful gas in the welding fume in the purifying box through the filter screen, reduces the harm of the harmful gas to human bodies and plays a role in protection.

Description

Protective equipment

Technical Field

The utility model relates to the technical field of protective equipment, in particular to protective equipment.

Background

Welding, also known as fusion welding, is a process and technique for joining metals or other thermoplastic materials (e.g., plastics) by heat, high temperature or high pressure. In the welding construction process, high temperature, sparks and harmful gases are easy to generate, and the human body is extremely easy to be injured. Therefore, the welding equipment can be used for protecting in welding engineering so as to protect human bodies and improve the safety of welding operation.

The protection devices in the prior art mostly use electric welding masks to protect the face of a user. However, the welding mask cannot absorb harmful gases generated during welding, and the welding mask is used for welding for a long time, so that the welding mask is harmful to human health.

It should be noted that the information disclosed in the above background section is only for enhancing understanding of the background of the utility model and thus may include information that does not form the prior art that is already known to those of ordinary skill in the art.

Disclosure of utility model

The utility model aims to overcome the defects of the prior art and provide protective equipment so as to absorb harmful gases during welding operation and reduce the harm of the harmful gases to staff.

According to an aspect of the present utility model, there is provided a protective apparatus including a protective frame and a purifying assembly for purifying a harmful gas;

the protective frame is provided with an operation space for welding operation of workers;

the purification assembly comprises a purification box, a filter screen, an air inlet pipeline, an exhaust pipeline and a fan;

The filter screen is arranged in the purifying box and used for purifying harmful gas, the filter screen divides the inner cavity of the purifying box into a first cavity and a second cavity, and the purifying box is provided with an exhaust port for exhausting the purified gas;

One end of the air inlet pipeline is connected with the purifying box, and the other end of the air inlet pipeline extends into the operation space;

One end of the exhaust pipeline is connected with the purification box, and the other end of the exhaust pipeline is connected with the fan;

The operation space, the inner cavity of the air inlet pipeline, the first cavity, the second cavity, the exhaust port, the inner cavity of the exhaust pipeline and the air inlet of the fan are sequentially communicated.

In one embodiment of the present utility model, the purifying assembly further includes at least one dust collecting cover, one end of the air inlet pipe extending into the operation space is connected with the dust collecting cover, and the inner cavity of the dust collecting cover is communicated with the inner cavity of the air inlet pipe.

In one embodiment of the utility model, the protective apparatus further comprises an adjusting assembly for adjusting the height of the dust hood;

the adjusting assembly comprises an adjusting plate, an adjusting screw and a guide piece;

The dust collection cover is connected with a connecting rod, one end, far away from the dust collection cover, of the connecting rod is connected with the adjusting plate, and the connecting rod penetrates through the top of the protection frame and is in sliding connection with the protection frame;

The adjusting screw rod is vertically arranged and can rotate, penetrates through the adjusting plate and is in threaded connection with the adjusting plate;

The guide piece is used for guiding the adjusting plate to move along the axis direction of the adjusting screw.

In one embodiment of the utility model, the guide element comprises at least one guide rod, which is arranged parallel to the adjusting screw and which extends through the adjusting plate and is connected in a sliding manner to the adjusting plate.

In one embodiment of the utility model, the adjusting assembly further comprises an adjusting box, the adjusting box is arranged at the top of the protective frame, and the adjusting plate and the guide piece are both arranged in the inner cavity of the adjusting box;

One end of the adjusting screw rod is rotatably connected with the inner bottom wall of the adjusting box, and the other end of the adjusting screw rod extends out of the top of the adjusting box and is rotatably connected with the top of the adjusting box.

In one embodiment of the utility model, a driving piece is arranged at the top of the adjusting box and is used for driving the adjusting screw rod to rotate.

In one embodiment of the utility model, the adjustment assembly further comprises a battery for powering the drive member.

In one embodiment of the utility model, the filter screen is detachably connected to the purification cartridge.

In one embodiment of the utility model, a fixed frame is fixedly connected to one side of the purifying box, a containing groove is formed in the fixed frame, and an inserting block is connected in the containing groove in a sliding manner;

The filter screen is in sliding connection with the purifying box, one side of the filter screen is fixedly connected with a mounting plate, and one side of the mounting plate is provided with a slot for inserting the inserting block;

and a locking piece for locking the insert block is arranged in the fixed frame.

In one embodiment of the present utility model, the locking member includes a locking lever and a compression spring;

The locking rod is fixedly connected with one side, far away from the slot, of the insert block, extends out of the accommodating groove and can move in the accommodating groove;

The compression spring is sleeved on the locking rod, one end of the compression spring is abutted with the insertion block, and the other end of the compression spring is abutted with the bottom of the accommodating groove;

One end of the locking rod, which is far away from the insertion block, is provided with a stop block, and the stop block is in butt joint with the outer side of the fixed frame.

According to the protective device, when a worker performs welding operation, the fan sucks welding fume and harmful gas into the inner cavity of the purifying box, and the harmful gas in the welding fume is purified through the filter screen, so that the harm of the harmful gas to a human body is reduced, and the protective effect is achieved.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the utility model as claimed.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the utility model and together with the description, serve to explain the principles of the utility model. It is evident that the drawings in the following description are only some embodiments of the present utility model and that other drawings may be obtained from these drawings without inventive effort for a person of ordinary skill in the art.

Fig. 1 is a schematic view showing the overall structure of a protective apparatus in one embodiment of the present utility model.

Fig. 2 is a cross-sectional view of a protective apparatus in one embodiment of the utility model.

Fig. 3 is an enlarged view of portion a of fig. 2 in one embodiment of the utility model.

Reference numerals illustrate:

1. A protective frame; 11. an operation space; 2. a purification assembly; 21. a purification box; 211. a first cavity; 212. a second cavity; 213. a fixed frame; 214. a receiving groove; 215. inserting blocks; 216. a locking lever; 217. a compression spring; 218. a stop block; 22. a filter screen; 221. a mounting plate; 222. a bracelet; 223. a slot; 23. an air intake duct; 24. an exhaust duct; 25. a blower; 26. a dust collection cover; 27. a connecting rod; 3. an adjustment assembly; 31. an adjustment box; 32. an adjusting plate; 33. adjusting a screw; 34. a guide rod; 35. a servo motor; 36. and a storage battery.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. However, the exemplary embodiments can be embodied in many forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of the example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus detailed descriptions thereof will be omitted. Furthermore, the drawings are merely schematic illustrations of the present utility model and are not necessarily drawn to scale.

Although relative terms such as "upper" and "lower" are used in this specification to describe the relative relationship of one component of an icon to another component, these terms are used in this specification for convenience only, such as in terms of the orientation of the examples described in the figures. It will be appreciated that if the device of the icon is flipped upside down, the recited "up" component will become the "down" component. When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure through another structure.

The terms "a," "an," "the," "said" and "at least one" are used to indicate the presence of one or more elements/components/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. in addition to the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and do not limit the number of their objects.

The embodiment of the utility model provides a protective device, as shown in fig. 1, which comprises a protective frame 1 and a purifying component 2 for purifying harmful gases; the protective frame 1 is provided with an operation space 11 for a worker to perform a welding operation.

In one embodiment of the present utility model, as shown in fig. 1, the protective frame 1 has a cubic structure, and the protective frame 1 lacks a bottom surface and one side surface, so that a worker can perform a welding operation of a work in the operation space 11. In other embodiments of the present utility model, one side of the protective frame 1 may be made of a dark-colored lens material, for example, a material of a helmet of an electric welding helmet, and the lens material may be lifted up and down, so as to open and close the operation space 11, and reduce the possibility of welding fume being discharged from the operation space 11; meanwhile, eyes of workers can be protected from being damaged by welding arcs.

The staff puts into the operating space 11 with work piece and hand, when carrying out welding operation in operating space 11, the welding cigarette that produces purifies through purifying component 2 with harmful gas to the injury that harmful gas caused the human body is reduced.

In one embodiment of the present utility model, as shown in fig. 2, the purification assembly 2 includes a purification cartridge 21, a filter screen 22, and an air intake duct 23; the purifying box 21 is arranged on one side of the protecting frame 1, the filter screen 22 is horizontally arranged inside the purifying box 21, the filter screen 22 is used for purifying harmful gas, the filter screen 22 divides the inner cavity of the purifying box 21 into a first cavity 211 and a second cavity 212, the first cavity 211 is positioned right above the second cavity 212, the purifying box 21 is provided with an exhaust port for exhausting purified gas, the exhaust port is arranged at the bottom of the purifying box 21, and correspondingly, the top of the purifying box 21 is provided with an air inlet which is communicated with the first cavity 211; one end of the air inlet pipeline 23 is connected with the purifying box 21, and the other end of the air inlet pipeline extends into the operating space 11; the operation space 11, the inner cavity of the air inlet pipe 23, the air inlet, the first cavity 211, the second cavity 212 and the air outlet are sequentially communicated.

In this embodiment, the principle of purifying the harmful gas is physical adsorption, and the material of the filter screen 22 is one or more of activated carbon, activated alumina, silica gel and molecular sieve, so as to facilitate the purification of the harmful gas.

Further, as shown in fig. 2, the purifying assembly 2 further includes an exhaust duct 24 and a fan 25; one end of the exhaust pipeline 24 is connected with the purifying box 21, the other end is connected with the fan 25, and the exhaust port, the inner cavity of the exhaust pipeline 24 and the air inlet of the fan 25 are sequentially communicated.

Further, as shown in fig. 2, a dust collecting cover 26 is arranged at one end of the air inlet pipe 23 extending into the operation space 11, and the inner cavity of the dust collecting cover 26 is communicated with the inner cavity of the air inlet pipe 23.

So, when welding operation in-process produces and welds cigarette and harmful gas, fan 25 can be with welding cigarette and harmful gas and pass through dust cage 26 inner chamber, air inlet pipe 23, air inlet suction first cavity 211 in proper order, then adsorb harmful gas and welding cigarette through filter screen 22, the gas after the purification passes through filter screen 22 and gets into second cavity 212, the gas passes through the gas vent in proper order, exhaust pipe 24 inner chamber, finally be discharged by the air outlet of fan 25, so that remove welding cigarette and harmful gas, external environment and health are protected.

In one embodiment of the present utility model, as shown in fig. 2, the number of the air inlet pipes 23 is two, the two air inlet pipes 23 are connected to the same purifying box 21, and a dust hood 26 is disposed at an end of each air inlet pipe 23 extending into the operation space 11, and air inlets of the two dust hoods 26 are correspondingly disposed, so as to improve air inlet efficiency of the harmful gas entering the first cavity 211.

To facilitate replacement of the filter 22, the filter 22 is detachably connected to the purification cartridge 21. In one embodiment of the present utility model, as shown in fig. 2 and 3, a fixing frame 213 is welded on one side of the purifying box 21, the fixing frame 213 is a rectangular frame, a containing groove 214 is provided at the bottom of the fixing frame 213, an insert 215 is slidably connected in the containing groove 214, and the sliding direction is a vertical direction; the filter screen 22 is in sliding connection with the purifying box 21, an opening is formed in one side of the purifying box 21, where the fixing frame 213 is provided, the inner cavity of the fixing frame 213 is communicated with the opening, and the filter screen 22 can slide out through the opening and the inner cavity of the fixing frame 213, so that the filter screen 22 is dismounted; a mounting plate 221 is adhered to one side of the filter screen 22 away from the protective frame 1, the mounting plate 221 can be abutted against the side wall of the purification box 21, the mounting plate 221 can be contacted with the inner peripheral wall of the fixed frame 213, a bracelet 222 for applying force to a human hand is arranged on one side of the mounting plate 221 away from the filter screen 22, and a slot 223 for inserting the inserting block 215 is arranged at the bottom of the mounting plate 221; a locking member for locking the insert block 215 is provided in the fixing frame 213.

As shown in fig. 3, the locking member includes a locking rod 216 and a compression spring 217, the locking rod 216 is integrally connected with the side of the insert block 215 away from the insert groove 223, the locking rod 216 is vertically arranged, the locking rod 216 is arranged to extend out of the accommodating groove 214, and the locking rod 216 can move up and down in the accommodating groove 214; in the present embodiment, one compression spring 217 is provided, however, in other embodiments, a plurality of compression springs 217 may be provided, the compression springs 217 are fitted around the lock lever 216, one end of each compression spring 217 abuts against the insert 215, and the other end abuts against the bottom of the accommodating groove 214. The retaining rod 216 is kept away from the one end of inserted block 215 and is equipped with dog 218, dog 218 and the outside butt of fixed frame 213, so, on the one hand can make inserted block 215 and slot 223 separation through pulling dog 218, realizes spacing to mounting panel 221 contact, on the other hand, when inserted block 215 cooperates with slot 223 under compression spring 217's effect, dog 218 and fixed frame 213 outer bottom wall butt to prevent inserted block 215 from leaving holding tank 214.

Further, the bottom of the insert block 215 is provided with a flaring boss, and the notch of the slot 223 is closed, so that the insert block 215 is further prevented from sliding off the accommodating groove 214, and the reliability of the whole structure is improved.

By pulling down the stop 218 by a person, the insert 215 is moved away from the slot 223, and then the hand pulls the bracelet 222, so that the filter screen 22 slides out of the fixed frame 213 and the opening, thereby facilitating the disassembly of the filter screen 22; then push new filter screen 22 into purifying box 21 through fixed frame 213 inner chamber and opening for mounting panel 221 and purifying box 21 outside butt, then the people's hand releases dog 218, compression spring 217 resumes deformation, makes inserted block 215 insert in slot 223, until dog 218 and fixed frame 213 diapire butt realizes the fixed of mounting panel 221, the installation of filter screen 22 of being convenient for.

In one embodiment of the utility model, as shown in fig. 1 and 2, the protective apparatus further comprises an adjusting assembly 3 for adjusting the height of the dust hood 26; the adjusting assembly 3 comprises an adjusting box 31, an adjusting plate 32, an adjusting screw 33 and a guide; the dust collection cover 26 is fixedly connected with a connecting rod 27, one end, far away from the dust collection cover 26, of the connecting rod 27 is fixedly connected with an adjusting plate 32, the connecting rod 27 is vertically arranged, the connecting rod 27 penetrates through the top of the protection frame 1 and the inner bottom wall of the adjusting box 31, and the connecting rod 27 is respectively connected with the top of the protection frame 1 and the inner bottom wall of the adjusting box 31 in a sliding mode.

The adjusting box 31 is arranged at the top of the protective frame 1, the adjusting plate 32 and the guide piece are both arranged in the inner cavity of the adjusting box 31, wherein the adjusting plate 32 is horizontally arranged, the adjusting screw 33 is vertically arranged, one end of the adjusting screw 33 is rotationally connected with the inner bottom wall of the adjusting box 31, the other end of the adjusting screw 33 extends out of the top of the adjusting box 31 and is rotationally connected with the top of the adjusting box 31, and the adjusting screw 33 penetrates through the adjusting plate 32 and is in threaded connection with the adjusting plate 32; the guide is used for guiding the adjusting plate 32 to move along the axis direction of the adjusting screw 33.

In this embodiment, as shown in fig. 2, the number of the guide rods 34 is two, the two guide rods 34 are symmetrically distributed about the axis of the adjusting screw 33, the guide rods 34 are parallel to the adjusting screw 33, the top ends of the guide rods 34 are fixedly connected with the inner top wall of the adjusting box 31, the bottom ends of the guide rods 34 are fixedly connected with the inner bottom wall of the adjusting box 31, and the guide rods 34 penetrate through the adjusting plate 32 and are slidably connected with the adjusting plate 32.

Further, as shown in fig. 2, a driving member is disposed on the top of the adjusting box 31, the driving member is used for driving the adjusting screw 33 to rotate, in this embodiment, the driving member includes a servo motor 35, the servo motor 35 is disposed on the top of the adjusting box 31, and an output shaft of the servo motor 35 is coaxially and fixedly connected with the adjusting screw 33 through a coupling. Thus, the adjusting screw 33 can be driven to rotate instead of hands, so that the height of the dust hood 26 can be conveniently adjusted, and time and labor are saved.

Still further, as shown in fig. 2, the adjusting assembly 3 further includes a battery 36, the battery 36 is used for providing power to the driving member, and the battery 36 is disposed on top of the protective frame 1 so as to provide power to the servo motor 35.

The adjusting screw 33 is driven to rotate by the servo motor 35, the adjusting screw 33 drives the adjusting plate 32 to lift up and down along the guide rod 34, so that the adjusting plate 32 drives the connecting rod 27 to lift up and down with the dust collection cover 26, the position height of the dust collection cover 26 is adjusted, the protection equipment is convenient to be suitable for purifying harmful gases under different welding conditions, and the universality of the protection equipment is improved.

In the embodiment of the present utility model, since the position and the height of the dust hood 26 are adjustable, the air inlet pipe 23 connected to the dust hood 26 is a high temperature resistant hose, and the air inlet pipe 23 is not fixed to the protection frame 1, so as to adjust the height of the dust hood 26 in cooperation with the adjusting unit 3.

When the dust collection device is used, the protection frame 1 is placed at a position to be welded, the servo motor 35 is started, the servo motor 35 drives the adjusting screw 33 to rotate, the adjusting screw 33 drives the adjusting plate 32 to lift up and down along the guide rod 34, so that the adjusting plate 32 drives the connecting rod 27 and the dust collection cover 26 to lift up and down, and the height of the dust collection cover 26 is adjusted; when welding is performed, the fan 25 is started, welding fume generated by welding is adsorbed through the dust hood 26, the adsorbed welding fume enters the first cavity 211 of the purification box 21 through the air inlet pipeline 23, the welding fume is filtered and purified through the filter screen 22, and purified gas is discharged from the fan 25 through the exhaust pipeline 24.

When the filter screen 22 needs to be disassembled and cleaned or replaced, a person pulls down the stop block 218 to enable the insert block 215 to leave the slot 223, and then pulls up the hand ring 222 to enable the filter screen 22 to slide out of the fixed frame 213 and the opening, so that the filter screen 22 is convenient to disassemble; then push new filter screen 22 or filter screen 22 after the clearance into purifying box 21 through fixed frame 213 inner chamber and opening for mounting panel 221 and purifying box 21 outside butt, then the people's hand releases dog 218, compression spring 217 resumes deformation, makes inserted block 215 insert in slot 223, until dog 218 and fixed frame 213 diapire butt realizes the fixed of mounting panel 221, the installation of the filter screen 22 of being convenient for.

Other embodiments of the utility model will be apparent to those skilled in the art from consideration of the specification and practice of the utility model disclosed herein. This utility model is intended to cover any variations, uses, or adaptations of the utility model following, in general, the principles of the utility model and including such departures from the present disclosure as come within known or customary practice within the art to which the utility model pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the utility model being indicated by the following claims.

Claims

1. A protective device, comprising a protective frame and a purifying component for purifying harmful gases;

2. The protective apparatus of claim 1, wherein the purification assembly further comprises at least one dust hood, wherein the dust hood is connected to the air intake conduit at an end extending into the operating space, and wherein the dust hood cavity is in communication with the air intake conduit cavity.

3. The protective apparatus of claim 2, further comprising an adjustment assembly for adjusting a height of the dust hood;

4. A protective apparatus according to claim 3, wherein the guide comprises at least one guide rod arranged parallel to the adjusting screw, the guide rod extending through the adjusting plate and being slidingly connected thereto.

5. The protective apparatus of claim 3, wherein the adjustment assembly further comprises an adjustment box, the adjustment box being disposed on top of the protective frame, the adjustment plate and the guide being disposed within the adjustment box;

6. The protective apparatus according to claim 5, wherein the adjusting box top is provided with a driving member for driving the adjusting screw to rotate.

7. The protective apparatus of claim 6 wherein the adjustment assembly further comprises a battery for powering the drive member.

8. The protective apparatus of claim 1, wherein the filter screen is removably connected to the purification cartridge.

9. The protective device according to claim 8, wherein a fixed frame is fixedly connected to one side of the purifying box, a containing groove is formed in the fixed frame, and an inserting block is slidably connected in the containing groove;

10. The protective apparatus of claim 9, wherein the locking member comprises a locking lever and a compression spring;