CN213393438U

CN213393438U - Shell fixing structure of reduction gearbox

Info

Publication number: CN213393438U
Application number: CN202022388696.3U
Authority: CN
Inventors: 王风忠; 王成林
Original assignee: QINGDAO SHENGRUNTAI ELECTRICAL MANUFACTURING CO LTD
Current assignee: QINGDAO SHENGRUNTAI ELECTRICAL MANUFACTURING CO LTD
Priority date: 2020-10-23
Filing date: 2020-10-23
Publication date: 2021-06-08
Anticipated expiration: 2030-10-23

Abstract

The utility model belongs to the technical field of the reducing gear box, especially, relate to a casing fixed knot of reducing gear box constructs. The upper shell and the lower shell are convenient to fix, free of tool installation, automatically aligned and good in sealing performance. The fixing device comprises an upper shell and a lower shell, wherein the upper shell and the lower shell are connected through a fixing mechanism, the fixing column comprises a fixing sleeve arranged in the lower shell, a fixing column body is arranged in the fixing sleeve, a fixing column thread is arranged on the outer peripheral wall of the fixing column body, a rotating handle is arranged at the end part of the fixing column body, a fixing sleeve thread is arranged on the inner peripheral wall of a mounting hole I of the fixing sleeve, and the fixing sleeve thread is matched with the fixing column thread to realize the rotation of the fixing column body in the; the upper shell is provided with an operation cavity penetrating through the upper shell and used for containing the rotating handle, and the operation cavity is communicated with the mounting hole II of the fixing hole.

Description

Shell fixing structure of reduction gearbox

Technical Field

The utility model belongs to the technical field of the reducing gear box, especially, relate to a casing fixed knot of reducing gear box constructs.

Background

The power driving reduction gearbox for the household sweeper and the electric mop provides power with low rotating speed and high torque, and converts the rotating speed of the driving motor 5300RPM into the low-speed high torque of only 220RPM, so that the purpose of providing power for the used products is achieved. Place various gear accessories through the gear box, but traditional casing cooperatees through epitheca and inferior valve, carries out the connection between the two with the screw fixed, and the screw use needs to cooperate the screwdriver to use, and screw calibration location is also inconvenient simultaneously, has produced great trouble to the alignment between epitheca and the inferior valve, and the screw time of having a specified duration of time of being inferior simultaneously influences the dismantlement easily, produces the unnecessary damage to the casing, no matter the installation with dismantle great reduction the convenience of using. The space to some assembly parts in the casing guarantees the leakproofness as required, often just the epitheca aligns with the inferior valve, reaches the sealed effect of casing through the screw fastening. However, the sealing mode of the butt joint surface of the upper shell and the lower shell only has high flatness processing requirement on the butt joint surface, and meanwhile, the positioning and the installation are inconvenient, so that the installation difficulty is high.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims to solve the technical problem that a casing fixed knot who goes up the casing and the fixed swift facility of inferior valve, exempt from instrument installation, automatic alignment of inferior valve, the while leakproofness is good constructs.

In order to solve the technical problem, the utility model discloses the technical scheme who takes is: the fixing mechanism comprises a fixing hole arranged in the upper shell and a fixing column arranged in the lower shell; the fixing column comprises a fixing sleeve arranged in the lower shell, a fixing column body is arranged in the fixing sleeve, a fixing column thread is arranged on the outer peripheral wall of the fixing column body, a rotating handle is arranged at the end part of the fixing column body, a fixing sleeve thread is arranged on the inner peripheral wall of an installation hole I of the fixing sleeve, and the fixing sleeve thread is matched with the fixing column thread to realize the rotation of the fixing column body in the fixing sleeve; the upper shell is provided with an operation cavity penetrating through the upper shell and used for accommodating a rotating handle, and the operation cavity is communicated with the mounting hole II of the fixing hole; the diameter of the operation cavity is larger than that of the mounting hole II, the diameter of the mounting hole II is equal to that of the mounting hole I of the fixed sleeve, and the width of the lower mounting part of the rotating handle is larger than that of the mounting hole II and smaller than that of the operation cavity; the symmetry is equipped with the breach portion that extends towards the fixed orifices peripheral direction on the mounting hole II of fixed orifices, breach portion and mounting hole II are linked together and are formed with the passageway that supplies the twist grip to pass through.

In the above-mentioned casing fixing structure of the reduction gearbox, the mounting part on the rotating handle is in a planar shape.

In the above casing fixing structure of the reduction gearbox, the upper casing and the lower casing are respectively provided with an upper sealing part and a lower sealing part, and the upper sealing part and the lower sealing part are clamped; go up the sealing, the tip is equipped with the attaching plate, goes up the laminating groove, the sealing tip is equipped with down attaching plate, lower laminating groove down, go up attaching plate card and go into down the laminating inslot, lower attaching plate card is gone up the laminating inslot into.

The casing fixed knot of foretell reducing gear box constructs, it is equipped with the sealing strip with last rigging board meeting right angle department to go up the laminating groove, be equipped with on the plywood down and cooperate with the sealing strip and be used for realizing the strip pressing portion that the sealing strip compressed tightly.

In the casing fixing structure of the reduction gearbox, the upper attaching plate is provided with the clamping blocks at equal intervals, and the lower attaching groove is provided with the clamping grooves matched with the clamping blocks at equal intervals.

The utility model discloses casing fixed knot of reducing gear box constructs's advantage is:

1. the utility model discloses the casing fixed knot of reducing gear box constructs, and the epitheca has replaced traditional screw fixation mode through the fixed establishment who sets up with the inferior valve. The fixed column body can realize going up and down in fixed cover screw-thread fit, and after the fixed column body height had been adjusted, turning handle and breach portion and mounting hole II aligned, the epitheca falls down naturally, and the epitheca is aligned the contact by fixed column body and fixed orifices cooperation automatic completion with the inferior valve this moment, realizes locking fixedly with epitheca and inferior valve through rotating turning handle. The installation need not to borrow external instrument and install during the installation for it is more convenient to install, and the result of use is better.

2. The utility model discloses casing fixed knot of reducing gear box constructs, turning handle runs through the epitheca, and the epitheca has the operation chamber that holds the turning handle action, after the casing locking, turning handle is arranged in the operation chamber, the last installation department because of turning handle is higher than the epitheca, in order to prevent accident, give personnel and cause the damage, specially will go up the installation department and set up to the plane shape, personnel's security when having guaranteed operation turning handle, the last installation department of plane shape can be used to paste to the label or do other signs and use simultaneously, when for later maintenance, make things convenient for follow-up personnel's operation to guide. Although the design of the upper mounting part is a small improvement, the practical use effect is good, and the popularization is facilitated.

3. The utility model discloses casing fixed knot of reducing gear box constructs, and structural design is simple reasonable, through setting up the upper seal portion in the epitheca, sets up lower seal portion in the inferior valve, realizes the leakproofness between upper seal portion and the lower seal portion through the joint by upper seal portion and lower seal portion. Specifically through cooperation between last attaching plate and the lower attaching groove, cooperation between lower attaching plate and the last attaching groove for it is more convenient to install the location between epitheca and the inferior valve, has guaranteed the leakproofness, and easy operation has improved the overall efficiency and the stability of casing installation, cooperates the casing fixed knot structure in this application, can realize that upper seal portion, lower seal portion are automatic to be looked for and are aimed at and align, need not artificial intervention and align.

4. The utility model discloses the casing fixed knot of reducing gear box constructs, and last laminating groove and last attaching plate meet right angle department and be equipped with the sealing strip, be equipped with on the lower attaching plate and cooperate with the sealing strip and be used for realizing the pressure strip portion that the sealing strip compressed tightly, through the extrusion of pressure strip portion to the sealing strip, guarantee that upper seal portion and lower seal portion dock back seamless leakage, better improvement the leakproofness. Through the cooperation between block and the block groove for be connected more firmly between upper seal portion and the lower seal portion, whole sealing stability is good.

Drawings

FIG. 1 is a schematic view of the upper case structure of the present invention;

FIG. 2 is a schematic view of the lower case structure of the present invention;

FIG. 3 is an exploded view of the fixing mechanism of the present invention;

FIG. 4 is a schematic view of the combined structure of the fixing mechanism of the present invention;

FIG. 5 is a schematic view of the fixing hole structure of the present invention;

FIG. 6 is a schematic view of a partial fitting structure of the upper sealing portion and the lower sealing portion of the present invention;

fig. 7 is a schematic view of the engagement structure of the engaging block and the engaging groove of the present invention.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Embodiment 1, as shown in fig. 1, 2, 3, 4, and 5, a casing fixing structure of a reduction gearbox includes an upper casing 1 and a lower casing 2, where the upper casing 1 and the lower casing 2 are connected by a fixing mechanism, and the fixing mechanism includes a fixing hole 3 installed in the upper casing 1 and a fixing column 4 installed in the lower casing 2; the fixing column 4 comprises a fixing sleeve 41 arranged in the lower shell 2, a fixing column body 42 is arranged in the fixing sleeve 41, a fixing column thread 421 is arranged on the outer peripheral wall of the fixing column body 42, a rotating handle 43 is arranged at the end part of the fixing column body 42, a fixing sleeve thread 441 is arranged on the inner peripheral wall of an installation hole I44 of the fixing sleeve 41, and the fixing sleeve thread 441 is matched with the fixing column thread 421 to realize the rotation of the fixing column body 42 in the fixing sleeve 41; the upper shell 1 is provided with an operation cavity 11 which penetrates through the upper shell 1 and is used for accommodating a rotating handle 43, and the operation cavity 11 is communicated with the mounting hole II 31 of the fixing hole 3; the diameter of the operation cavity 11 is larger than that of the mounting hole II 31, the diameter of the mounting hole II 31 is equal to that of the mounting hole I44 of the fixing sleeve 41, and the width of the lower mounting part 431 of the rotating handle 43 is larger than that of the mounting hole II 31 and smaller than that of the operation cavity 11; notch parts 32 extending towards the peripheral direction of the fixing hole 3 are symmetrically arranged on the mounting hole II 31 of the fixing hole 3, and the notch parts 32 are communicated with the mounting hole II 31 to form a channel for the rotating handle 43 to pass through.

In embodiment 2, as shown in fig. 3 and 4, in embodiment 1, the mounting portion 432 of the swing handle 43 has a planar shape.

Embodiment 3, as shown in fig. 6, in addition to embodiment 1, an upper sealing part 12 and a lower sealing part 21 are respectively arranged in the upper shell 1 and the lower shell 2, and the upper sealing part 12 is clamped with the lower sealing part 21; the end of the upper sealing part 12 is provided with an upper attaching plate 121 and an upper attaching groove 122, the end of the lower sealing part 21 is provided with a lower attaching plate 211 and a lower attaching groove 212, the upper attaching plate 121 is clamped into the lower attaching groove 212, and the lower attaching plate 211 is clamped into the upper attaching groove 122.

Embodiment 4, as shown in fig. 6, on the basis of embodiment 3, a sealing strip 123 is arranged at a right angle where the upper attaching groove 122 and the upper attaching plate 121 are connected, and a pressing strip portion 213, which is matched with the sealing strip 123 to press the sealing strip 123, is arranged on the lower attaching plate 211.

In embodiment 5 and as shown in fig. 7, in addition to embodiment 4, the upper bonding plate 121 is provided with engaging blocks 1211 at equal intervals, and the lower bonding groove 212 is provided with engaging grooves 2121 at equal intervals, which are engaged with the engaging blocks 1211.

When the shell fixing device is used, the upper shell 1 and the lower shell 2 are fixed through the fixing mechanism. Place inferior valve 2 butt joint one side orientation on, the high position has been adjusted through the screw thread mode to twist grip 43 in fixed cover 41, then 1 butt joint one side of epitheca orientation inferior valve 2, then twist grip 43 aims at the passageway that supplies twist grip 43 that breach portion 32 and II 31 of mounting hole formed and pass through, the epitheca 1 falls down naturally, fixed orifices 3 passes through twist grip 43 in proper order this moment, fixed column body 42, until the bottom surface of fixed orifices 3 and the contact of fixed cover 41 top surface, for the epitheca 1 is accomplished with inferior valve 2 butt joint face. After the above process, the upper sealing portion 12 and the lower sealing portion 21 are automatically clamped, specifically: through the cooperation between last attaching plate 121 and the lower attaching groove 212, the cooperation between lower attaching plate 211 and the last attaching groove 122 for it is more convenient to install the location between epitheca 1 and the inferior valve 2, has guaranteed the leakproofness, and easy operation has improved the overall efficiency and the stability of casing installation, cooperates the casing fixed knot structure in this application, can realize that upper seal portion 12, lower seal portion 21 are automatic to be looked for the alignment, need not artificial intervention and aligns. The sealing strip 123 is arranged at the right angle position where the upper laminating groove 122 and the upper laminating plate 121 are connected, the lower laminating plate 211 is provided with the pressing strip portion 213 which is matched with the sealing strip 123 and used for realizing the pressing of the sealing strip 123, and the sealing strip 123 is extruded by the pressing strip portion 213, so that the upper sealing portion 12 and the lower sealing portion 21 are enabled to be in butt joint without gap leakage, and the sealing performance is better improved. The engagement between the engagement block 1211 and the engagement groove 2121 makes the connection between the upper sealing portion 12 and the lower sealing portion 21 more secure, and the overall sealing stability is better. Finally, the upper shell 1 and the lower shell 2 are locked by rotating the rotating handle 43 to realize firm fixation, and the installation is carried out without using external tools, so that the installation is more convenient and the use effect is better; during the rotation locking process of the rotating handle 43, the pressing strip portion 213 continuously presses the sealing strip 123. Through the above process, the fixing of the shell can be completed.

The present invention has been described above by way of example with reference to the accompanying drawings, and it is to be understood that the specific implementations of the present invention are not limited to the above-described embodiments. The present invention can be modified or modified by those skilled in the art without departing from the technical idea of the present invention, and such modifications or modifications naturally fall within the scope of the present invention.

Claims

1. A casing fixed knot of reducing gear box constructs which characterized in that: the device comprises an upper shell (1) and a lower shell (2), wherein the upper shell (1) is connected with the lower shell (2) through a fixing mechanism, and the fixing mechanism comprises a fixing hole (3) arranged in the upper shell (1) and a fixing column (4) arranged in the lower shell (2); the fixing column (4) comprises a fixing sleeve (41) arranged in the lower shell (2), a fixing column body (42) is arranged in the fixing sleeve (41), a fixing column thread (421) is arranged on the outer peripheral wall of the fixing column body (42), a rotating handle (43) is arranged at the end part of the fixing column body (42), a fixing sleeve thread (441) is arranged on the inner peripheral wall of a mounting hole I (44) of the fixing sleeve (41), and the fixing sleeve thread (441) is matched with the fixing column thread (421) to realize the rotation of the fixing column body (42) in the fixing sleeve (41); the upper shell (1) is provided with an operation cavity (11) which penetrates through the upper shell (1) and is used for accommodating a rotating handle (43), and the operation cavity (11) is communicated with a mounting hole II (31) of the fixing hole (3); the diameter of the operation cavity (11) is larger than that of the mounting hole II (31), the diameter of the mounting hole II (31) is equal to that of the mounting hole I (44) of the fixing sleeve (41), and the width of the lower mounting part (431) of the rotating handle (43) is larger than that of the mounting hole II (31) and smaller than that of the operation cavity (11); the mounting hole II (31) of fixed orifices (3) is gone up the symmetry and is equipped with breach portion (32) that extend towards fixed orifices (3) peripheral direction, breach portion (32) are linked together with mounting hole II (31) and are formed with the passageway that supplies twist grip (43) to pass through.

2. The casing fixing structure of the reduction gearbox according to claim 1, characterized in that: the upper mounting part (432) of the rotating handle (43) is in a plane shape.

3. The casing fixing structure of the reduction gearbox according to claim 1, characterized in that: an upper sealing part (12) and a lower sealing part (21) are respectively arranged in the upper shell (1) and the lower shell (2), and the upper sealing part (12) is clamped with the lower sealing part (21); go up sealing portion (12) tip and be equipped with rigging board (121), go up laminating groove (122), sealing portion (21) tip is equipped with down rigging board (211), lower laminating groove (212), go up in rigging board (121) card goes into lower laminating groove (212), lower rigging board (211) card goes into in laminating groove (122).

4. The casing fixing structure of the reduction gearbox according to claim 3, wherein: go up laminating groove (122) and last laminating board (121) and meet right angle department and be equipped with sealing strip (123), be equipped with on lower laminating board (211) and cooperate with sealing strip (123) and be used for realizing pressing strip portion (213) that sealing strip (123) compressed tightly.

5. The casing fixing structure of the reduction gearbox according to claim 4, wherein: the upper attaching plate (121) is provided with clamping blocks (1211) at equal intervals, and the lower attaching groove (212) is provided with clamping grooves (2121) matched with the clamping blocks (1211) at equal intervals.