Explosion-proof bag type dust collector

Abstract

The utility model belongs to the technical field of explosion-proof bag type dust collectors, and particularly relates to an explosion-proof bag type dust collector which comprises a dust collector body, the dust collector body is provided with an auxiliary pressure relief device; the top of the fixed seat is fixedly connected with a fixed cylinder; a telescopic cavity is formed in the fixed cylinder; a fixed rod is fixedly connected to the bottom of the cambered surface of the inner wall of the telescopic cavity; a lifting rod is mounted in the sliding hole in a sliding manner; a lifting plate is fixedly connected to the top end face of the lifting rod. A spring is mounted outside the section of the lifting rod in a sleeving manner; a sliding block is installed in the sliding groove in a sliding mode. The end face of the sliding block is connected to the lifting plate. The top end face of the fixed ring plate is fixedly connected with a supporting rod. The top of the supporting rod is fixedly connected with a dustproof plate. An arc-shaped net plate is mounted between the supporting rods; and through the action of the auxiliary pressure relief device, the effect of quickly relieving the pressure of the structural cavity is achieved, large pressure intensity in the dust collector can be avoided, and potential safety hazards are reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of explosion-proof bag-type dust collectors, in particular to an explosion-proof bag-type dust collector. Background Art

[0002] In dust removal operations, dust collectors are often used to reduce dust or vacuum dust in designated spaces to ensure the environmental quality of the designated spaces and the smooth progress of subsequent processing operations;

[0003] A Chinese patent with publication number CN 207838498 U discloses a portable small-scale universal explosion-proof dust collector with filter bag, including a bottom plate, a dust box is arranged at the upper end of the bottom plate, an insulating layer is arranged in the dust box, a support plate is arranged at the bottom end of the dust box, dust boxes are arranged on both sides of the support plate, filter bags are arranged at the upper end of the support plate, a fixing plate is arranged above the filter bag, air blowing pipes are arranged on both sides of the inner wall of the dust box, a dust suction port is arranged on one side of the dust box, a hair dryer is arranged above the dust suction port, the hair dryer and the air blowing pipe are connected by a duct, a suction port is arranged on the side of the dust box away from the hair dryer, a bellows is arranged below the suction port, an explosion-proof dust suction fan is arranged in the bellows, a motor is arranged at the bottom end of the bottom plate, and the output end of the motor is connected to the rotating shaft in the dust box. The utility model is convenient for installing the filter bag, convenient for cleaning the dust on the surface of the filter bag, improving the dust collection effect, and has good explosion-proof performance and strong applicability.

[0004] When the above-mentioned explosion-proof dust collector is in use, the pressure relief mechanism has a complex structure. When the internal pressure of the dust collector exceeds the predetermined pressure range, it cannot achieve self-pressure relief, resulting in a large safety hazard in the explosion relief process, which is very likely to injure the workshop workers. Therefore, an explosion-proof bag dust collector is proposed to address the above problems. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve some existing problems of explosion-proof bag-type dust collectors, the utility model provides an explosion-proof bag-type dust collector.

[0006] The technical solution adopted by the utility model to solve the technical problem is as follows: the explosion-proof bag dust collector described in the utility model comprises a dust collecting body; an air inlet pipe is installed on the side of the dust collecting body; a fan is installed on the air inlet pipe; an auxiliary pressure relief device is installed on the dust collecting body; the auxiliary pressure relief device comprises a fixing seat; a fixing seat is fixedly connected to the top end surface of the dust collecting body; a fixing cylinder is fixedly connected to the top of the fixing seat; a telescopic cavity is opened inside the fixing cylinder;

[0007] A structural cavity is provided inside the dust collector body; the bottom end of the telescopic cavity passes through the seat body of the fixed seat and is connected to the structural cavity; a fixing rod is fixedly connected to the bottom of the arc surface of the inner wall of the telescopic cavity; a sliding hole is provided on the top of the fixing rod; a lifting rod is slidably installed inside the sliding hole; a lifting plate is fixedly connected to the top end surface of the lifting rod; the effect of rapid pressure relief of the dust collector is achieved.

[0008] Preferably, a spring is sleeved and installed on the outside of the cross section of the lifting rod; the top end of the spring is connected to the bottom end surface of the lifting plate; the bottom of the spring is connected to the fixing rod; so that the lifting plate can operate smoothly.

[0009] Preferably, the spring does not deform when not in action, and at this time the horizontal plane where the top end surface of the lifting plate is located is lower than the horizontal plane where the top end surface of the fixed tube is located; the length of the lifting rod is greater than the height of the fixed tube; the normal operation of the spring is ensured.

[0010] Preferably, sliding grooves are symmetrically provided on the arc surface of the inner wall of the telescopic cavity; the top of the sliding groove is connected to the outside; a slider is slidably installed inside the sliding groove; the end surface of the slider is connected to the lifting plate; the height of the slider is greater than the thickness of the lifting plate; so that the slider can operate smoothly.

[0011] Preferably, a fixing ring plate is fixedly connected to the upper position of the outer arc surface of the fixing cylinder; a support rod is fixedly connected to the top end face of the fixing ring plate; a dustproof plate is fixedly connected to the top of the support rod; and an arc-shaped mesh plate is installed between the support rods, thereby ensuring the normal use of the fixing cylinder.

[0012] Preferably, when the bottom end surface of the lifting plate is higher than the top end surface of the fixing tube, the horizontal plane where the top end surface of the lifting plate is located is lower than the horizontal plane where the bottom end surface of the dustproof plate is located; so that the lifting plate can smoothly achieve the lifting effect.

[0013] The utility model is beneficial in that:

[0014] 1. The utility model adopts the structural design of the auxiliary pressure relief device. The lifting plate inside the telescopic cavity is pushed upward. With the cooperation of the slider and the slide groove, the lifting plate drives the lifting rod to move upward along the sliding hole on the fixed rod. The spring is stretched and generates a reaction force. After the lifting plate is separated from the fixed cylinder, the structural cavity is quickly depressurized, which can avoid the occurrence of a large pressure inside the dust collector, reduce safety hazards, and ensure the safety of the staff. The dustproof plate prevents external dust from accumulating on the fixed cylinder. At the same time, under the action of the support rod and the arc-shaped mesh plate, the operation of the auxiliary pressure relief device is facilitated. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0016] Figure 1 It is an isometric structural diagram;

[0017] Figure 2 It is a structural schematic diagram of a fixed cylinder;

[0018] Figure 3 for Figure 2 A schematic diagram of the enlarged structure at A in the middle;

[0019] Figure 4 It is a schematic diagram of the structure of the fixed ring plate.

[0020] In the figure: 1. dust collector body; 2. air inlet pipe; 3. fan; 401. fixed seat; 402. fixed cylinder; 403. telescopic cavity; 404. fixed rod; 405. sliding hole; 406. lifting rod; 407. lifting plate; 408. spring; 409. slide groove; 410. slider; 411. fixed ring plate; 412. support rod; 413. dustproof plate; 414. arc mesh plate; 415. structural cavity. DETAILED DESCRIPTION

[0021] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] See also Figure 1-4 As shown, an explosion-proof bag dust collector comprises a dust collector body 1; an air inlet pipe 2 is installed on the side of the dust collector body 1; a fan 3 is installed on the air inlet pipe 2; an auxiliary pressure relief device is installed on the dust collector body 1; the auxiliary pressure relief device comprises a fixing seat 401; a fixing seat 401 is fixedly connected to the top end surface of the dust collector body 1; a fixing cylinder 402 is fixedly connected to the top of the fixing seat 401; a telescopic cavity 403 is opened inside the fixing cylinder 402;

[0023] A structural cavity 415 is provided inside the dust collector body 1; the bottom end of the telescopic cavity 403 passes through the body of the fixed seat 401 and is connected to the structural cavity 415; a fixing rod 404 is fixedly connected to the bottom of the arc surface of the inner wall of the telescopic cavity 403; a sliding hole 405 is provided at the top of the fixing rod 404; a lifting rod 406 is slidably installed inside the sliding hole 405; a lifting plate 407 is fixedly connected to the top end surface of the lifting rod 406; a spring 408 is sleeved and installed on the outside of the cross section of the lifting rod 406; the top end of the spring 408 is connected to the bottom end surface of the lifting plate 407; the bottom of the spring 408 is connected to the fixing rod 404; the spring 408 does not deform when it is not in action, and at this time, the horizontal plane where the top end surface of the lifting plate 407 is located is lower than the horizontal plane where the top end surface of the fixing cylinder 402 is located; the length of the lifting rod 406 is greater than the height of the fixing cylinder 402;

[0024] Slide grooves 409 are symmetrically provided on the arc surface of the inner wall of the telescopic cavity 403; the top of the slide groove 409 is connected to the outside; a slider 410 is slidably installed inside the slide groove 409; the end face of the slider 410 is connected to the lifting plate 407; the height of the slider 410 is greater than the thickness of the lifting plate 407; a fixed ring plate 411 is fixedly connected to the upper position of the outer arc surface of the fixed cylinder 402; a support rod 412 is fixedly connected to the top end face of the fixed ring plate 411; a dustproof plate 413 is fixedly connected to the top of the support rod 412; an arc-shaped mesh plate 414 is installed between the support rods 412; when the bottom end face of the lifting plate 407 is higher than the top end face of the fixed cylinder 402, the horizontal plane where the top end face of the lifting plate 407 is located is lower than the horizontal plane where the bottom end face of the dustproof plate 413 is located;

[0025] During operation, in dust removal operations, dust collectors are often used to reduce dust or absorb dust in designated spaces to ensure the environmental quality of the designated spaces and ensure the smooth progress of subsequent processing operations. When the above-mentioned explosion-proof dust collector is in use, the pressure relief mechanism has a complex structure. When the pressure inside the dust collector exceeds a predetermined pressure range, it is unable to achieve self-pressure relief, resulting in a greater safety hazard during the explosion relief process, which is very likely to injure workshop workers. The present application acts through an auxiliary pressure relief device. When the pressure inside the structural cavity 415 exceeds a specified range, the lifting plate 407 inside the telescopic cavity 403 is pushed upward. With the cooperation of the slider 410 and the slide groove 409, the lifting plate 407 drives the lifting rod 406 to move upward along the sliding hole 405 on the fixed rod 404, and the spring 408 is stretched and generates a reaction force. After the lifting plate 407 is separated from the fixed cylinder 402, the structural cavity 415 is quickly depressurized, which can avoid the occurrence of high pressure inside the dust collector, reduce safety hazards, and ensure the safety of the staff. The dustproof plate 413 prevents external dust from accumulating on the fixed cylinder 402. At the same time, under the action of the support rod 412 and the arc-shaped mesh plate 414, the operation of the auxiliary pressure relief device is facilitated.

[0026] Working principle: In dust removal operations, dust collectors are often used to reduce dust or absorb dust in designated spaces to ensure the environmental quality of the designated space and ensure the smooth progress of subsequent processing operations; when the above-mentioned explosion-proof dust collector is in use, the pressure relief mechanism has a complex structure. When the pressure inside the dust collector exceeds the predetermined pressure range, it is impossible to achieve self-pressure relief, resulting in a large safety hazard during the explosion relief process, which is very likely to injure workshop workers. The present application works through an auxiliary pressure relief device. When the pressure inside the structural cavity 415 exceeds the specified range, the lifting plate 407 inside the telescopic cavity 403 is pushed upward. With the cooperation of the slider 410 and the slide groove 409, the lifting plate 407 drives the lifting rod 406 to move upward along the sliding hole 405 on the fixed rod 404, and the spring 408 is stretched and generates a reaction force. After the lifting plate 407 is separated from the fixed cylinder 402, the structural cavity 415 is quickly depressurized, which can avoid a large pressure inside the dust collector, reduce safety hazards, and ensure the safety of the staff. The dustproof plate 413 prevents external dust from accumulating on the fixed cylinder 402. At the same time, under the action of the support rod 412 and the arc-shaped mesh plate 414, the operation of the auxiliary pressure relief device is facilitated.

[0027] In the description of this specification, the description with reference to the terms "one embodiment", "example", "specific example", etc. means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0028] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. An explosion-proof bag dust collector, comprising a dust collector body (1); an air inlet pipe (2) is installed on the side of the dust collector body (1); a fan (3) is installed on the air inlet pipe (2); the dust collector body (1) is installed with an auxiliary pressure relief device; characterized in that: The auxiliary pressure relief device comprises a fixing seat (401); the fixing seat (401) is fixedly connected to the top end surface of the dust collecting body (1); the top of the fixing seat (401) is fixedly connected to a fixing cylinder (402); a telescopic cavity (403) is provided inside the fixing cylinder (402); A structural cavity (415) is provided inside the dust collector body (1); the bottom end of the telescopic cavity (403) passes through the seat body of the fixed seat (401) and is connected to the structural cavity (415); a fixing rod (404) is fixedly connected to the bottom of the arc surface of the inner wall of the telescopic cavity (403); a sliding hole (405) is provided through the top of the fixing rod (404); a lifting rod (406) is slidably installed inside the sliding hole (405); and a lifting plate (407) is fixedly connected to the top end surface of the lifting rod (406).

2. The explosion-proof bag dust collector according to claim 1, characterized in that: A spring (408) is sleeved and installed on the outside of the cross section of the lifting rod (406); the top end of the spring (408) is connected to the bottom end surface of the lifting plate (407); and the bottom of the spring (408) is connected to the fixing rod (404).

3. The explosion-proof bag dust collector according to claim 2, characterized in that: The spring (408) does not deform when not in action, and at this time the horizontal plane where the top end surface of the lifting plate (407) is located is lower than the horizontal plane where the top end surface of the fixed cylinder (402) is located; the length of the lifting rod (406) is greater than the height of the fixed cylinder (402).

4. The explosion-proof bag dust collector according to claim 3, characterized in that: The inner wall arc surface of the telescopic cavity (403) is symmetrically provided with sliding grooves (409); the top of the sliding groove (409) is connected to the outside; a slider (410) is slidably installed inside the sliding groove (409); the end surface of the slider (410) is connected to the lifting plate (407); the height of the slider (410) is greater than the thickness of the lifting plate (407).

5. The explosion-proof bag dust collector according to claim 4, characterized in that: A fixing ring plate (411) is fixedly connected to the upper position of the outer arc surface of the fixing cylinder (402); a support rod (412) is fixedly connected to the top end surface of the fixing ring plate (411); a dustproof plate (413) is fixedly connected to the top of the support rod (412); and an arc-shaped mesh plate (414) is installed between the support rods (412).

6. The explosion-proof bag dust collector according to claim 5, characterized in that: When the bottom end surface of the lifting plate (407) is higher than the top end surface of the fixing tube (402), the horizontal plane where the top end surface of the lifting plate (407) is located is lower than the horizontal plane where the bottom end surface of the dustproof plate (413) is located.

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