CN211260191U - High-efficient roots blower - Google Patents

Abstract

The utility model relates to the technical field of gas conveying auxiliary devices, in particular to a high-efficiency Roots blower, the use height of the blower body of which can be conveniently adjusted according to the use needs of the current environment, thereby improving the practicability and reducing the use limitation; comprises a fan body and four groups of supporting legs; still include the regulating plate, two sets of fixed columns, two sets of supports, two sets of travellers, change the handle, the turning block, rotate post and bottom plate, it all is provided with the screw thread to rotate the first region in the left side of the post outside and the first region in right side, still include three auxiliary blocks of group, and the inside first logical groove that transversely all is provided with of three auxiliary blocks of group, three first logical inslot lateral walls of group all can rotate and be fixed with first ball group, still include two sets of fixed plates, two sets of lead screws and two sets of clamp splice, the outer end of two sets of lead screws all is provided with the stopper, it is equipped with the position circle to rotate the fixed cover in.

Description

High-efficient roots blower

Technical Field

The utility model relates to a gas delivery auxiliary device's technical field especially relates to a high-efficient roots blower.

Background

As is known, a high-efficiency Roots blower belongs to a volume rotary blower, and is a rotary compressor for compressing and conveying gas by utilizing relative motion of two or three blade-shaped rotors in a cylinder, and the blower has a simple structure, is convenient to manufacture and is suitable for gas conveying in low-pressure occasions; the existing high-efficiency Roots blower comprises a blower body and four groups of supports, wherein the top ends of the four groups of supports are respectively arranged on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the blower body; when the existing high-efficiency Roots blower is used, the blower body is integrally placed on a plane and is used for conveying gas by the aid of the blower body, the blower body is a common electric device in the market, the blower body can be used only by being electrically connected according to a purchased use specification when bought for use, and connecting wires can be reasonably wired as long as the connecting wires can work, so that the details are not repeated; the high-efficient roots blower that has now finds in using, and its fan body uses highly fixed, can not conveniently adjust according to environment use needs now to lead to its practicality relatively poor, use the limitation higher.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides a its fan body uses highly can conveniently adjust according to the environmental use needs now to improve its practicality, reduce the high-efficient roots blower who uses the limitation.

The utility model relates to a high-efficiency Roots blower, which comprises a blower body and four groups of supporting legs; the adjustable sliding column device comprises an adjusting plate, two groups of fixing columns, two groups of supports, two groups of sliding columns, a rotating handle, a rotating block, a rotating column and a bottom plate, wherein the top ends of the two groups of fixing columns are respectively arranged on the left side and the right side of the bottom end of the adjusting plate, the top ends of the two groups of supports are respectively rotatably connected with the two groups of fixing columns, the bottom ends of the two groups of supports are respectively rotatably connected with the two groups of sliding columns, the rotating handle is rotatably arranged on the right side of the rotating block, the left half area and the right half area outside the rotating column are respectively provided with threads, the two groups of threads are opposite in rotating direction, the two groups of sliding columns are respectively sleeved on the left half area and the right half area outside the rotating column in a threaded manner, the right end of the rotating column is connected with the center of the left end of the rotating block, the adjustable sliding column device, rotate the post left end and pass the first ball group that is located the right side in proper order and be located the middle part and insert to being located left first ball group inside, still include two sets of fixed plates, two sets of lead screws and two sets of clamp blocks, two sets of fixed plates are installed respectively on the auxiliary block right side and the bottom plate right side that are located the right side, the inner of two sets of lead screws is threaded respectively and is passed two sets of fixed plate outsides and all wears out to two sets of fixed plate inboards and be connected with two sets of clamp blocks respectively with the spiral shell, the outer end of two sets of lead screws all is provided with the stopper, the turning block is located between two sets of clamp blocks, the fixed cover in the post outside is rotated and is equipped with the position circle, position circle right side and turning block left side all are provided with the roll wheelset, and be located the right side.

Preferably, fan body top intercommunication is provided with the ventilation hole, still include two sets of first screwed pipes, two sets of first threaded rod and backup pad, the fan body top left and right sides all is provided with the bearing frame, and all can rotate in two sets of bearing frames and be fixed with ball bearing, the bottom of two sets of first screwed pipes is rotatable plug-in card respectively to two sets of ball bearing inside, two sets of first threaded rod bottoms insert respectively and spiral shell dress to two sets of first screwed pipe tops inside, two sets of first threaded rod tops all are connected with the backup pad bottom, the backup pad bottom is provided with the sprue, the sprue is located the ventilation hole directly over, the sprue outside is provided with the rubber seal layer.

Preferably, still include rotor plate, motor and transmission shaft, the motor bottom is installed on the regulating plate top, and the transmission shaft bottom is connected with motor top output, and the transmission shaft top is connected with rotor plate bottom center, and the rotor plate bottom is connected with two sets of gyro wheels, and the bottom of two sets of gyro wheels all pastes tight contact with the regulating plate top.

Preferably, the device also comprises a pulley block, a limiting ring and a limiting rod group, wherein the limiting ring is sleeved on the outer side of the transmission shaft, one end of the limiting rod group is connected with the limiting ring, the other end of the limiting rod group is connected with the top end of the adjusting plate, one end of the pulley block is connected with the inner side of the limiting ring, the other end of the pulley block is tightly contacted with the outer side of the transmission shaft, and a fixing rod group is connected between the motor and the top.

Preferably, the left side and the right side of the front side wall of the adjusting plate and the left side and the right side of the rear side wall of the adjusting plate are both provided with fixing plates, the four groups of fixing plates are longitudinally provided with second through grooves, the inner side walls of the four groups of second through grooves are both rotatably fixed with second ball groups, the adjustable adjusting plate further comprises four groups of positioning frames, the top ends of the four groups of positioning frames respectively penetrate through the four groups of second ball groups and respectively extend to the upper parts of the four groups of second through grooves, and the bottom ends of the four groups of positioning frames are respectively installed on the left front side, the right front side.

Preferably, the left half area and the right half area on the top end of the bottom plate are transversely provided with sliding grooves, sliding pieces are fixed at the positions of the two groups of sliding grooves in a sliding mode, the two groups of sliding pieces are respectively installed at the bottom ends of the two groups of sliding columns, and the right side of the auxiliary block on the right side and the right side of the bottom plate are longitudinally located on the same vertical plane.

Preferably, four groups of supporting legs all include second threaded rod and second screwed pipe, and the top of four groups of second threaded rods is installed respectively at bottom plate bottom left front side, right front side, left rear side and right rear side, and inside four groups of second threaded rod tops were installed to four groups of second screwed pipe tops respectively to four groups of second threaded rod bottoms spiral shell respectively, and four groups of second screwed pipe bottoms all are connected with the weight, and four groups of weight bottoms all are connected with the slipmat.

Preferably, the front side and the rear side of the fan body are both connected with handles, and anti-skid layers are arranged on the outer sides of the two groups of handles.

Compared with the prior art, the beneficial effects of the utility model are that: the rotating column on the rotating block can be driven to rotate by manually rotating the handle, because the two groups of threads are opposite in rotating direction and because the sliding columns are in threaded connection with the rotating column and are matched with the rotatable connection of the bracket, when the rotating column rotates, the two groups of sliding columns slide inwards or outwards simultaneously, and further the adjusting plate can be driven to move upwards or downwards conveniently, the use height of the fan body can be adjusted conveniently according to the use requirement of the current environment, so that the practicability of the fan body is improved, the use limitation is reduced, the rotating column can be rotated conveniently by the first ball group in the three groups of auxiliary blocks, the supporting effect of the rotating column is improved, when the adjusting plate needs to be longitudinally adjusted, the two groups of clamping blocks can be driven to move outwards by manually rotating the two groups of lead screws, so that the rotating block normally rotates, and when the adjusting plate needs to be fixed, the two groups of lead screws are driven to move inwards by, make the turning block press from both sides the dress and fix between two sets of clamp blocks, supplementary regulating plate fixes, makes things convenient for manual wrench movement to drive the lead screw through two sets of stoppers to rotate more, and two sets of rolling wheelsets carry on spacingly to the rotation post, and it is more smooth and easy to make the rotation post be difficult for lateral shifting's rotation simultaneously.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic view of the structure in which the blower body and the vent holes communicate with each other;

FIG. 3 is an enlarged partial view of portion A of FIG. 1;

FIG. 4 is an enlarged view of part B of FIG. 1;

in the drawings, the reference numbers: 1. a fan body; 2. an adjusting plate; 3. fixing a column; 4. a support; 5. a traveler; 6. turning a handle; 7. rotating the block; 8. rotating the column; 9. a base plate; 10. an auxiliary block; 11. a fixing plate; 12. a lead screw; 13. a clamping block; 14. a limiting block; 15. positioning rings; 16. a rolling wheel group; 17. a vent hole; 18. a first threaded pipe; 19. a first threaded rod; 20. a support plate; 21. blocking; 22. a rubber sealing layer; 23. a rotating plate; 24. a motor; 25. a drive shaft; 26. a roller; 27. a pulley block; 28. a limiting ring; 29. a limit rod group; 30. a fixed rod group; 31. a fixing sheet; 32. a positioning frame; 33. sliding blades; 34. a second threaded rod; 35. a second threaded pipe; 36. a weighting block; 37. a non-slip mat; 38. a handle.

Detailed Description

The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

As shown in fig. 1 to 4, the high-efficiency roots blower of the present invention comprises a blower body 1 and four groups of legs; the adjustable sliding column device comprises an adjusting plate 2, two groups of fixing columns 3, two groups of supports 4, two groups of sliding columns 5, a rotating handle 6, a rotating block 7, a rotating column 8 and a bottom plate 9, wherein the top ends of the two groups of fixing columns 3 are respectively arranged on the left side and the right side of the bottom end of the adjusting plate 2, the top ends of the two groups of supports 4 are respectively rotatably connected with the two groups of fixing columns 3, the bottom ends of the two groups of supports 4 are respectively rotatably connected with the two groups of sliding columns 5, the rotating handle 6 is rotatably arranged on the right side of the rotating block 7, the left half area and the right half area outside the rotating column 8 are both provided with threads, the rotating directions of the two groups of threads are opposite, the two groups of sliding columns 5 are respectively screwed and sleeved on the left half area and the right half area outside the rotating column 8, the right end of the rotating column 8 is connected with the center of the left end of the rotating, the inner side walls of the three groups of first through grooves can be rotatably fixed with a first ball group, the left end of a rotating column 8 sequentially penetrates through the first ball group positioned on the right side and the first ball group positioned in the middle and is inserted into the first ball group positioned on the left side, the three groups of first through grooves also comprise two groups of fixed plates 11, two groups of lead screws 12 and two groups of clamping blocks 13, the two groups of fixed plates 11 are respectively arranged on the right side of an auxiliary block 10 positioned on the right side and the right side of a bottom plate 9, the inner ends of the two groups of lead screws 12 respectively penetrate through the outer sides of the two groups of fixed plates 11 in a screw mode and are respectively screwed out to the inner sides of the two groups of fixed plates 11 and are respectively connected with the two groups of clamping blocks 13, the outer ends of the two groups of lead screws 12 are respectively provided with a limiting block 14, the rotating block 7 is positioned between the two groups of clamping blocks 13, the outer side, the rolling wheel set 16 on the left side is closely contacted with the left side of the auxiliary block 10 on the right side, the rotating column 8 on the rotating block 7 is driven to rotate by manually rotating the handle, because the rotating directions of the two sets of threads are opposite, and because the sliding columns 5 are screwed with the rotating column 8 and are matched with the rotatable connection of the bracket 4, when the rotating column 8 rotates, the two sets of sliding columns 5 simultaneously slide towards the inner side or simultaneously slide towards the outer side, so as to drive the adjusting plate 2 to conveniently move upwards or downwards, the use height of the fan body 1 can be conveniently adjusted according to the use requirement of the current environment, thereby improving the practicability and reducing the use limitation, the rotating column 8 can be rotated and the supporting effect of the rotating column 8 can be improved by the first ball set in the three sets of auxiliary blocks 10, when the adjusting plate 2 needs to be longitudinally adjusted, the two sets of lead screws 12 can be manually rotated to drive the, the rotating block 7 is enabled to normally rotate, when the adjusting plate 2 needs to be fixed, two groups of lead screws 12 are manually rotated to drive two groups of clamping blocks 13 to move inwards, the rotating block 7 is clamped and fixed between the two groups of clamping blocks 13, the auxiliary adjusting plate 2 is fixed, the lead screws 12 are more conveniently and manually twisted by two groups of limiting blocks 14 to rotate, two groups of rolling wheel sets 16 limit the rotating column 8, the rotating column 8 is enabled to rotate more smoothly without lateral movement, the top end of the fan body 1 is communicated with a vent hole 17, the fan further comprises two groups of first threaded pipes 18, two groups of first threaded rods 19 and a supporting plate 20, bearing seats are arranged on the left side and the right side of the top end of the fan body 1, ball bearings can be rotatably fixed in the two groups of bearing seats, the bottom ends of the two groups of first threaded pipes 18 can be respectively inserted into the two groups of ball bearings in a rotatable manner, the bottom ends of the two groups of first threaded rods 19 are, the top ends of the two groups of first threaded rods 19 are connected with the bottom end of a supporting plate 20, the bottom end of the supporting plate 20 is provided with a block 21, the block 21 is positioned right above the vent holes 17, the outer side of the block 21 is provided with a rubber sealing layer 22, the larger vent holes 17 perform auxiliary heat dissipation after the blower body 1 is used, when the blower body 1 is used, the block 21 needs to block the larger vent holes 17 so that the output end of the blower body 1 can output better, the rubber sealing layer 22 improves the blocking and sealing effect, the block 21 on the supporting plate 20 can be driven to block or separate the vent holes 17 by synchronously and manually rotating the two groups of first threaded pipes 18, the bearing seat is not communicated with the inner cavity of the blower body 1, namely the bearing seat does not influence the sealing performance of the inner cavity of the blower body 1, the wind-cooling fan further comprises a rotating plate 23, a motor 24 and a transmission shaft 25, the bottom end of a transmission shaft 25 is connected with the top output end of a motor 24, the top end of the transmission shaft 25 is connected with the center of the bottom end of a rotating plate 23, the bottom end of the rotating plate 23 is connected with two groups of rollers 26, the bottom ends of the two groups of rollers 26 are both in close contact with the top end of an adjusting plate 2, the motor 24 is electrically connected with a mains supply, the motor 24 is started, the rotating plate 23 on the transmission shaft 25 can be driven to rotate through the motor 24, and further the blower body 1 is driven to rotate, so that the blowing direction can be conveniently adjusted, the motor 24 is a common electric device in the market and is provided with a speed reducer, the blower can be used after being bought and used only by being electrically connected according to a use instruction which is bought together, so that the two groups of rollers 26 are not repeated to conveniently rotate and improve the supporting effect, the blower further comprises a pulley block 27, a limiting ring 28 and, one end of a pulley block 27 is connected with the inner side of a limiting ring 28, the other end of the pulley block 27 is in close contact with the outer side of a transmission shaft 25, a fixed rod group 30 is connected between a motor 24 and the top end of an adjusting plate 2, the limiting ring 28 plays a certain limiting role in limiting the rotation of the transmission shaft 25, the use reliability is improved, the shaking of the transmission shaft 25 is reduced, the pulley block 27 assists in rotating to be smoother and improve the supporting effect, the fixed rod group 30 improves the installation and fixing effect of the motor 24, fixing pieces 31 are arranged on the left side and the right side of the front side wall of the adjusting plate 2 and the left side and the right side of the rear side wall of the adjusting plate 2, second through grooves are longitudinally formed in the four fixing pieces 31, second ball groups can be rotatably fixed on the inner side walls of the four second through grooves, four positioning frames 32 are further included, the top ends of the four positioning frames 32 respectively penetrate through the, The right front side, the left rear side and the right rear side, the positioning frame 32 is matched with the second through groove to slide so as to conveniently limit the adjusting plate 2, so that the adjusting plate can only longitudinally move, the supporting reliability is improved, the second ball group auxiliary positioning frame 32 slides more smoothly, the left half area and the right half area of the top end of the bottom plate 9 are both transversely provided with sliding grooves, sliding sheets 33 are respectively and slidably fixed at the two groups of sliding grooves, the two groups of sliding sheets 33 are respectively installed at the bottom ends of the two groups of sliding columns 5, the right side of the auxiliary block 10 positioned at the right side and the right side of the bottom plate 9 are longitudinally positioned on the same vertical plane, the sliding sheets 33 transversely slide at the sliding grooves so as to facilitate the sliding columns 5 to rotate along with the rotation of the rotation column 8 when the rotation column 8 rotates, but only transversely move, the right side of the rolling wheel group 16 positioned at the right side is enabled to rotate more smoothly by the right side of the auxiliary block 10 positioned, the top of four groups of second threaded rods 34 is installed respectively at bottom plate 9 bottom left front side, right front side, left rear side and right rear side, inside four groups of second threaded rods 35 tops were assembled to the spiral shell respectively to four groups of second threaded pipes respectively 34 bottoms, four groups of weight 36 bottoms all are connected with slipmat 37, it is when whole the face of placing not enough flat, can make its and four groups of second threaded rods 34 cooperation length adaptation faces of placing through the four groups of second threaded pipes 35 of manual rotation, the practicality is improved, four groups of weight 36 improve whole the stability of placing, four groups of slipmat 37 further improve whole the stability of placing, both sides all are connected with handle 38 around fan body 1, and all be provided with the skid resistant course in two groups of handles 38 outsides, two groups of handles 38 make things convenient for portable the removal, the convenience of slipmat reduces handle 38 hand and skids.

The utility model discloses a high-efficient roots blower, it is above the mounting means of all parts, connected mode or set up the mode and be the welding, riveting or other common mechanical system, wherein can slide/rotate fixedly promptly for slide/not dropping under the rotation state, sealed intercommunication seals when two connecting pieces communicate promptly, and the concrete structure of its all parts, model and coefficient index are its from the area technique, as long as can reach all implementation of its beneficial effect, above-mentioned all with the electric module and with the common electrical part in market, it can use only to need to connect according to the mutual electricity of the instruction manual of buying back together when using back, and control module is its common from taking the module, so all no longer redundantly describe here.

The high-efficiency Roots blower of the utility model, without being stated to the contrary, the directional words included in the terms such as "up, down, left, right, front, back, inner, and vertical and horizontal" only represent the direction of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, 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 also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. A high-efficiency Roots blower comprises a blower body (1) and four groups of supporting legs; it is characterized by also comprising an adjusting plate (2), two groups of fixed columns (3), two groups of brackets (4), two groups of sliding columns (5), a rotating handle (6), a rotating block (7), a rotating column (8) and a bottom plate (9), wherein the top ends of the two groups of fixed columns (3) are respectively arranged at the left side and the right side of the bottom end of the adjusting plate (2), the top ends of the two groups of brackets (4) are respectively rotatably connected with the two groups of fixed columns (3), the bottom ends of the two groups of brackets (4) are respectively rotatably connected with the two groups of sliding columns (5), the rotating handle (6) is rotatably arranged at the right side of the rotating block (7), the left half area and the right half area outside the rotating column (8) are both provided with threads, the rotating directions of the two groups of threads are opposite, the two groups of sliding columns (5) are respectively screwed and sleeved at the left half area and the right half area outside the rotating column, the novel rotary table further comprises three groups of auxiliary blocks (10), wherein the three groups of auxiliary blocks (10) are respectively arranged on the left side, the middle part and the right side of the top end of the bottom plate (9), first through grooves are transversely formed in the three groups of auxiliary blocks (10), the inner side walls of the three groups of first through grooves are rotatably fixed with first ball groups, the left end of the rotary column (8) sequentially penetrates through the first ball group on the right side and the first ball group in the middle part and is inserted into the first ball group on the left side, the novel rotary table further comprises two groups of fixing plates (11), two groups of lead screws (12) and two groups of clamping blocks (13), the two groups of fixing plates (11) are respectively arranged on the right side of the auxiliary block (10) on the right side and the right side of the bottom plate (9), the inner ends of the two groups of lead screws (12) respectively penetrate through the outer sides of the two groups of fixing plates (11) and are respectively screwed to the inner, the rotating block (7) is located between the two groups of clamping blocks (13), the positioning ring (15) is fixedly sleeved on the outer side of the rotating column (8), rolling wheel sets (16) are arranged on the right side of the positioning ring (15) and the left side of the rotating block (7), the rolling wheel set (16) located on the right side is closely contacted with the right side of the auxiliary block (10) located on the right side or the right side of the bottom plate (9), and the rolling wheel set (16) located on the left side is closely contacted with the left side of the auxiliary block (10) located on the right side.

2. The high-efficiency Roots blower according to claim 1, wherein the top end of the blower body (1) is provided with a vent hole (17) in communication therewith, and further comprises two sets of first threaded pipes (18), two sets of first threaded rods (19) and a support plate (20), and bearing seats are provided on both left and right sides of the top end of the blower body (1), and all can rotate in two sets of bearing frames and be fixed with ball bearing, the bottom of two sets of first screwed pipes (18) is inside rotatable plug-in card to two sets of ball bearing respectively, inside two sets of first threaded rod (19) bottoms inserted respectively and spiral shell dress to two sets of first screwed pipes (18) tops, two sets of first threaded rod (19) tops all are connected with backup pad (20) bottom, backup pad (20) bottom is provided with sprue (21), sprue (21) are located ventilation hole (17) directly over, sprue (21) outside is provided with rubber seal layer (22).

3. The efficient Roots blower as claimed in claim 2, further comprising a rotating plate (23), a motor (24) and a transmission shaft (25), wherein the bottom end of the motor (24) is mounted on the top end of the adjusting plate (2), the bottom end of the transmission shaft (25) is connected to the top output end of the motor (24), the top end of the transmission shaft (25) is centrally connected to the bottom end of the rotating plate (23), two sets of rollers (26) are connected to the bottom end of the rotating plate (23), and the bottom ends of the two sets of rollers (26) are in close contact with the top end of the adjusting plate (2).

4. The efficient Roots blower according to claim 3, further comprising a pulley block (27), a limiting ring (28) and a limiting rod set (29), wherein the limiting ring (28) is sleeved outside the transmission shaft (25), one end of the limiting rod set (29) is connected with the limiting ring (28), the other end of the limiting rod set (29) is connected with the top end of the adjusting plate (2), one end of the pulley block (27) is connected with the inner side of the limiting ring (28), the other end of the pulley block (27) is in close contact with the outer side of the transmission shaft (25), and a fixing rod set (30) is connected between the motor (24) and the top end of the adjusting plate (2).

5. The high-efficiency Roots blower according to claim 4, wherein fixing pieces (31) are provided on both left and right sides of the front side wall of the adjusting plate (2) and both left and right sides of the rear side wall of the adjusting plate (2), and second through grooves are provided in four sets of the fixing pieces (31) in the longitudinal direction, and second ball sets are rotatably fixed to inner side walls of the four sets of the second through grooves, and further comprising four sets of positioning brackets (32), top ends of the four sets of positioning brackets (32) respectively passing through the four sets of the second ball sets and respectively protruding above the four sets of the second through grooves, and bottom ends of the four sets of positioning brackets (32) are respectively mounted on the left front side, the right front side, the left rear side and the right rear side of the top end.

6. The high-efficiency Roots blower according to claim 5, wherein the left half area and the right half area of the top end of the bottom plate (9) are transversely provided with sliding grooves, sliding pieces (33) are slidably fixed at the two groups of sliding grooves, the two groups of sliding pieces (33) are respectively installed at the bottom ends of the two groups of sliding columns (5), and the right side of the auxiliary block (10) on the right side and the right side of the bottom plate (9) are longitudinally positioned on the same vertical plane.

7. The high-efficiency Roots blower according to claim 6, wherein the four sets of legs each comprise a second threaded rod (34) and a second threaded tube (35), the top ends of the four sets of second threaded rods (34) are respectively mounted on the left front side, the right front side, the left rear side and the right rear side of the bottom end of the base plate (9), the bottom ends of the four sets of second threaded rods (34) are respectively screwed into the top ends of the four sets of second threaded tubes (35), the bottom ends of the four sets of second threaded tubes (35) are respectively connected with the weight (36), and the bottom ends of the four sets of weight (36) are respectively connected with the non-slip mat (37).

8. The high-efficiency Roots blower according to claim 7, wherein the blower body (1) is connected with the handles (38) at both the front and rear sides thereof, and the outer sides of both the handles (38) are provided with the anti-slip layer.

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