CN219993935U - Three-blade Roots blower convenient to disassemble - Google Patents

Abstract

The utility model discloses a three-blade Roots blower convenient to disassemble, which comprises a blower housing, wherein end covers are arranged on the outer surfaces of the front end and the rear end of the blower housing, an oil tank cover is arranged on the outer surface of the front end of the end cover, one side of the blower housing is provided with a driving group, a base is arranged on the outer surface of the lower end of the blower housing, a sealing groove is formed on the outer surface of the front end of the end cover, first slots are formed on the two sides of the upper end and the lower end of the outer surface of the front end of the end cover, second lug plates are fixedly arranged on the two sides of the outer wall of the end cover, and a pair of second slots are formed on the outer surface of the front end of the second lug plates. The three-blade Roots blower convenient to disassemble can improve the installation stability of the plugboard, can conveniently and rapidly install and disassemble the fuel tank cover and the end cover, is simple to operate and short in service time, can conveniently limit and align the fuel tank cover and the end cover, and brings better use prospects.

Description

Three-blade Roots blower convenient to disassemble

Technical Field

The utility model relates to the field of three-blade Roots fans, in particular to a three-blade Roots fan convenient to disassemble.

Background

The three-blade Roots blower is a double-impeller synchronous compression machine, each three-blade rotor is supported by two bearings, the relative positions of the two rotors are kept unchanged all the time by utilizing a pair of synchronous gears, the three-blade Roots blower belongs to a positive displacement blower and has the characteristic of forced gas transmission, the existing three-blade Roots blower is installed between an end cover and a fuel tank cover through a plurality of groups of bolts when in use, the operation is complex in the process of disassembling and installing the end cover and the fuel tank cover, the time is wasted, and the three-blade Roots blower is inconvenient to disassemble quickly.

Disclosure of Invention

(one) solving the technical problems

Aiming at the defects of the prior art, the three-blade Roots blower convenient to disassemble is provided by the utility model, has the advantages of improving the installation stability of the plugboard, being capable of conveniently and rapidly installing and disassembling the fuel tank cover and the end cover, being simple in operation, short in service time, being capable of conveniently limiting and aligning the fuel tank cover and the end cover, and the like, and being capable of effectively solving the problems in the background art.

(II) technical scheme

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a three leaf roots fan convenient to disassemble, includes the fan casing, both ends surface all is provided with the end cover around the fan casing, just both ends all are provided with the fuel tank cap around the fan casing, the fuel tank cap is located the front end surface of end cover, one side of fan casing is provided with the drive group, the lower extreme surface of fan casing is provided with the base, the seal groove has been seted up to the front end surface of end cover, first slot has all been seted up to the both sides at both ends about the end cover front end surface, the equal fixed mounting in both sides of end cover outer wall has the second otic placode, even second slot has been seted up to the front end surface of second otic placode, movable chamber has been seted up to one side surface of second otic placode, the inside of movable chamber is provided with T type arm-tie, the front and back both ends surface of T type arm-tie all is provided with first spring, the inside of second slot is provided with the stripper plate, the spacing groove has all been seted up to the rear end of second slot both sides outer surface, the second slot both sides end cover has the second end cover plate, the both sides of the second end cover has the second end insert plate has, the both sides of the second end cover has the outer surface of the second end cover, the second end cover has the seal plate has, the both sides of the case cover has.

Preferably, the plug block is inserted into the first slot.

Preferably, the sealing ring is inserted into the sealing groove.

Preferably, the plugboard is connected with the second slot in a plugging mode.

Preferably, the T-shaped pulling plate, the L-shaped plate and the movable cavity are in sliding connection, and the T-shaped pulling plate is elastically connected with the second lug plate through the first spring.

Preferably, the T-shaped pulling plate is connected with the clamping groove in an inserting mode, the extrusion plate is elastically connected with the second lug plate through the second spring, and the extrusion plate is connected with the limiting groove in a sliding mode.

(III) beneficial effects

Compared with the prior art, the three-blade Roots blower convenient to disassemble has the following beneficial effects:

1. this three leaf roots fan convenient to disassemble can improve picture peg installation stability, can conveniently carry out spacing alignment with fuel tank cap and end cover.

2. This three leaf roots fan convenient to disassemble can conveniently carry out quick installation with fuel tank cap and end cover and disassemble, easy operation, and live time is short.

Drawings

Fig. 1 is a schematic diagram of the overall structure of a three-blade Roots blower with convenient disassembly.

Fig. 2 is a top view of a partial structure of a three-bladed Roots blower according to the present utility model, which is convenient to disassemble.

Fig. 3 is a partial structure diagram of a three-blade Roots blower with easy disassembly.

Fig. 4 is an enlarged view of fig. 2 a of a three-bladed Roots blower according to the present utility model.

In the figure: 1. a fan housing; 2. a drive group; 3. a base; 4. an end cap; 5. a fuel tank cap; 6. a first ear plate; 7. sealing grooves; 8. a first slot; 9. inserting plate; 10. a second slot; 11. a second ear plate; 12. t-shaped pulling plates; 13. a clamping groove; 14. an L-shaped plate; 15. a first spring; 16. a movable cavity; 17. a second spring; 18. an extrusion plate; 19. a limit groove; 20. inserting blocks; 21. and (3) sealing rings.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

The embodiment is a three-blade Roots blower convenient to disassemble.

As shown in fig. 1-4, including fan case 1, the front and back both ends surface of fan case 1 all is provided with end cover 4, and the front and back both ends of fan case 1 all are provided with fuel tank cap 5, fuel tank cap 5 is located the front end surface of end cover 4, one side of fan case 1 is provided with drive group 2, the lower extreme surface of fan case 1 is provided with base 3, seal groove 7 has been seted up to the front end surface of end cover 4, first slot 8 has all been seted up to the both sides at the upper and lower both ends of end cover 4 front end surface, the both sides of end cover 4 outer wall all fixed mounting have second otic placode 11, even second slot 10 has been seted up to the front end surface of second otic placode 11, movable cavity 16 has been seted up to one side surface of second otic placode 11, the inside of movable cavity 16 is provided with T type arm-tie 12, the front and back both ends surface of T type arm 12 all is provided with L14, the outer wall of T type arm-tie 12 is provided with first spring 15, the inside of second slot 10 is provided with the stripper plate 18, spacing groove 19 has all been seted up to the rear end of second slot 10 both sides surface, the both sides of end surface of end cover plate 9 has been provided with the second slot 5, the outer surface of 7 has been set up to the end cover cap 20, the both sides of the end cover plate 5 has been fixed surface of the end cover plate 9 has been set up, the outer surface of the end cover plate 9 has been fixed to the end cover plate 9 has been provided with the front end cover plate surface of the front and cover plate 5.

The plug block 20 is connected with the first slot 8 in a plugging way; the sealing ring 21 is inserted between the sealing groove 7; the plugboard 9 is connected with the second slot 10 in a plugging way; the T-shaped pulling plate 12, the L-shaped plate 14 and the movable cavity 16 are in sliding connection, and the T-shaped pulling plate 12 is elastically connected with the second lug plate 11 through a first spring 15; the T-shaped pulling plate 12 is inserted into the clamping groove 13, the extrusion plate 18 is elastically connected with the second lug plate 11 through the second spring 17, and the extrusion plate 18 is in sliding connection with the limiting groove 19.

It should be noted that, the present utility model is a three-blade Roots blower which is convenient to disassemble, two groups of T-shaped pulling plates 12 are pulled, the L-shaped plates 14 are driven to slide along the movable cavity 16 while the T-shaped pulling plates 12 slide along the movable cavity 16, the first springs 15 are compressed, the T-shaped pulling plates 12 are driven to leave the clamping grooves 13 and enter the movable cavity 16, the fuel tank cap 5 is pulled forward, the insert blocks 20 are driven to slide along the first slot 8, the sealing rings 21 leave the sealing grooves 7, the insert plates 9 slide along the second slot 10, the fuel tank cap 5 and the end cap 4 are disassembled rapidly, after the disassembly is completed and overhauled, the insert blocks 20 are aligned with the first slot 8, the sealing rings 21 are aligned with the sealing grooves 7, after the insert plates 9 are aligned with the second slot 10, the two groups of T-shaped pulling plates 12 are pulled, the L-shaped plates 14 are driven to slide along the movable cavity 16 while the T-shaped pulling plates 12 slide along the movable cavity 16, the first spring 15 is compressed to drive the T-shaped pulling plate 12 to leave the clamping groove 13 and enter the movable cavity 16, the oil tank cover 5 is pushed, the inserting block 20 slides along the first inserting groove 8, the inserting plate 9 extrudes the extrusion plate 18 in the second inserting groove 10 after the sealing ring 21 is driven to be tightly attached to the sealing groove 7, the extrusion plate 18 is driven to slide along the limiting groove 19 and simultaneously compress the second spring 17, the T-shaped pulling plate 12 is loosened, the T-shaped pulling plate 12 is driven to be clamped into the clamping groove 13 under the reset action of the first spring 15, thereby the inserting plate 9 and the second ear plate 11 are installed, the second spring 17 always has reset action force under the extrusion state, so that the second spring is tightly clamped, the installation stability of the inserting plate 9 can be improved, the oil tank cover 5 and the end cover 4 can be conveniently and rapidly installed and disassembled, the operation is simple, the service time is short, the fuel tank cap 5 and the end cap 4 can be conveniently aligned in a limiting manner.

It should be noted that in this document, relational terms such as first and second (first and second), and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising one … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.

The foregoing has shown and described the basic principles and main features of the present utility model and the advantages of the present utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a three leaf roots fan convenient to disassemble, includes fan housing (1), its characterized in that: the utility model discloses a fan shell, including fan shell (1), end cover (4) are all provided with at the front and back both ends surface of fan shell (1), just both ends all are provided with fuel tank cap (5) around fan shell (1), fuel tank cap (5) are located the front end surface of end cover (4), one side of fan shell (1) is provided with drive group (2), the lower extreme surface of fan shell (1) is provided with base (3), seal groove (7) have been seted up to the front end surface of end cover (4), first slot (8) have all been seted up to both sides at both ends about the front end surface of end cover (4), even second slot (10) have all been fixedly installed to the both sides of end cover (4) outer wall, one side surface of second otic placode (11) has been seted up movable chamber (16), the inside of movable chamber (16) is provided with T type arm-tie (12), the front and back both ends surface of T type arm-tie (12) all are provided with L (14), the both sides of end cover (4) surface all have been seted up first slot (10), the both sides of second slot (10) have been set up at the outside spring (18) are all set up to the both sides of second slot (18), the oil tank cover is characterized in that first lug plates (6) are fixedly installed on two sides of the outer wall of the oil tank cover (5), inserting plates (9) are arranged on the outer surface of the rear end of each first lug plate (6), clamping grooves (13) are formed in the outer surface of one side of each inserting plate (9), sealing rings (21) are arranged on the outer surface of the rear end of the oil tank cover (5), and inserting blocks (20) are fixedly installed on two sides of the upper end and the lower end of the outer surface of the rear end of the oil tank cover (5).

2. The easy-to-disassemble three-blade Roots blower according to claim 1, wherein: the plug block (20) is connected with the first slot (8) in a plugging mode.

3. The easy-to-disassemble three-blade Roots blower according to claim 1, wherein: the sealing ring (21) is inserted into the sealing groove (7).

4. The easy-to-disassemble three-blade Roots blower according to claim 1, wherein: the plugboard (9) is connected with the second slot (10) in a plugging mode.

5. The easy-to-disassemble three-blade Roots blower according to claim 1, wherein: the T-shaped pulling plate (12), the L-shaped plate (14) and the movable cavity (16) are in sliding connection, and the T-shaped pulling plate (12) is elastically connected with the second lug plate (11) through a first spring (15).

6. The easy-to-disassemble three-blade Roots blower according to claim 1, wherein: the T-shaped pulling plate (12) is connected with the clamping groove (13) in an inserting mode, the extrusion plate (18) is elastically connected with the second lug plate (11) through the second spring (17), and the extrusion plate (18) is connected with the limiting groove (19) in a sliding mode.