Wear-resistant and easy-to-replace coupling for water supply pump
Technical Field
The invention relates to the technical field of water pump transmission, in particular to a wear-resistant and easily-replaceable coupler for a water supply pump.
Background
The coupling is a mechanical part used for firmly connecting a driving shaft and a driven shaft in different mechanisms to rotate together and transmitting motion and torque, is sometimes used for connecting a shaft and other parts, is usually formed by two halves which are respectively connected by keys or tight fit and fastened at two shaft ends and then connected in a certain mode.
Through retrieval of patents such as patent number CN209354419U, a coupling for a water pump is disclosed, which comprises an inner bearing seat, a deep groove ball bearing, a first coupling and a second coupling; the bearing inner seat comprises a connecting column and an inner seat body, and one end of the connecting column is connected with the inner seat body; the deep groove ball bearing is sleeved on the connecting column and is pressed on the inner seat body through an air pressure press; the first coupling comprises a base and a connecting part, the base is connected with one end of the connecting part, second threaded holes with the number equal to that of the first threaded holes are formed in the base, and the first threaded holes and the second threaded holes are penetrated through by screws so that the first coupling is fixed at the bottom of the inner seat body; the second coupling comprises two identical sub-couplings which are oppositely arranged to form a first cavity and a second cavity, and the two sub-couplings clamp the other end of the connecting part and one end of the water pump shaft, so that the other end of the connecting part is fixed in the first cavity, and one end of the water pump shaft is fixed in the second cavity.
For another example, patent No. CN210423467U discloses a novel sleeve coupling for water pump, including first connecting axle and second connecting axle and middle sleeve, middle sleeve's both ends all are provided with first flange, the fixed orifices has all been seted up to middle sleeve's both ends face, middle sleeve's both ends are provided with fixed sleeve and movable sleeve respectively, fixed sleeve and middle sleeve's inside is provided with first connecting block, movable sleeve and middle sleeve's inside is provided with the second connecting block, first connecting block with first connecting axle looks block, the second connecting block with second connecting axle looks block, be provided with second fixing bolt on the second connecting block. A novel sleeve coupling that water pump was used, can be connected with the connecting axle more accurately, application range is wide more, can increase the intensity of connecting axle and shaft coupling through the connecting block, avoid torsion too big to cause to cut off the condition that connecting key and connecting axle take place great skew.
However, the shaft coupling that uses at present mainly is fixed knot structure, fixes through the key-type connection, and the suitability is not enough, does not possess the suitable function according to the axle quick adjustment adaptation of different grade type, does not possess convenient and fast's wear structure and changes the function, is unfavorable for lasting the shaft coupling, consequently, unsatisfied current demand has proposed a water pump shaft coupling that wear and tear easily changed to this.
Disclosure of Invention
Problem (A)
The invention aims to provide a wear-resistant and easily-replaceable coupler for a water supply pump, and aims to solve the problems that the existing coupler in the background art is mainly of a fixed structure, is fixed through key connection, is insufficient in applicability, does not have an application function of quickly adjusting and adapting according to different types of shafts, does not have a convenient and quick wear structure replacement function, and is not beneficial to continuous shaft coupling.
(II) technical scheme
In order to achieve the purpose, the invention provides the following technical scheme: a wear-resistant and easily replaceable coupling for a water supply pump comprises a main cylinder; six groups of cylinder structures are integrally arranged on the outer side of the main cylinder, and side sliding rods are arranged in the cylinder structures in a sliding mode; the side sliding rod is of a fan-shaped structure; the front end of the main cylinder is fixedly provided with a side ring through a screw; the outer side of the main cylinder is provided with a gear sleeve in a sliding manner through clearance fit; and a connecting shaft sleeve is fixedly arranged on the outer side of the rear end of the main cylinder through a bolt.
Preferably, the main cylinder further comprises a key seat groove and a clamping flange; a key seat groove is formed in the position, close to the rear, of the top of the main barrel, and a protruding structure is arranged in the middle of the front end of the key seat groove; an assembly key seat is fixedly arranged in the key seat groove, and the shape of the assembly key seat is matched with that of the key seat groove; a circular groove is formed in the middle of the rear end of the assembling key seat; the middle of the outer side of the main cylinder is integrally provided with a clamping flange, and two ends of the gear sleeve are attached to the clamping flange and the side ring.
Preferably, the assembling key seat further comprises a square groove, a pressing block and a fixed key; the square groove has been seted up in the middle of the top of assembly key seat, and the square inslot slides and is provided with the briquetting, and the bottom of briquetting is provided with the bars structure, and the bars structure passes the square groove and is provided with the fixed key.
Preferably, the side sliding rod further comprises a clamping piece and a side sliding roller; clamping parts are fixedly arranged at one ends of the side sliding rods, which are positioned in the main cylinder, and the adjacent surfaces of the six groups of clamping parts are of a longitudinal double-semicircular-roller structure; the two sides of one end of the side sliding rod, which is positioned outside the main cylinder, are uniformly provided with side sliding rollers in a whole type, and the side sliding rollers are transversely arranged.
Preferably, the side ring further comprises an L-shaped frame, an adjusting shaft and a transmission gear; an L-shaped frame is integrally arranged on one side of the side ring, an adjusting shaft is rotatably arranged between the turning edge side of the L-shaped frame and the side ring, and a knob structure is integrally arranged at the outer end of the adjusting shaft; a transmission gear is fixedly arranged on the outer side of the middle of the adjusting shaft; the top end of the L-shaped frame is provided with a jackscrew.
Preferably, the gear sleeve further comprises a fluted disc; the outer part of the gear sleeve is of a threaded structure; a fluted disc is integrally arranged on the front end edge side of the tooth sleeve, and the front side of the fluted disc is of a bevel gear structure; the transmission gear is meshed with the fluted disc; the outer side of the gear sleeve is provided with a conical sleeve through threaded connection.
Preferably, the conical sleeve further comprises a strip-shaped hole and a guide groove; six groups of strip-shaped holes are formed in the conical structure at the rear end of the conical sleeve, and guide grooves are formed in two sides of the interior of each strip-shaped hole; the side sliding rollers are arranged in the guide grooves in a sliding mode.
Preferably, the connecting shaft sleeve further comprises an assembling and connecting arc plate; the rear side edge of the connecting shaft sleeve is arranged to be of a corrugated structure, and the connecting shaft sleeve can be matched with the other group of connecting shaft sleeves; the inner side of the connecting shaft sleeve is provided with an assembling and connecting arc plate in a split mode, and the front side of the top of the assembling and connecting arc plate is provided with a notch; the assembling and connecting arc plate is a semicircular ring structure; screw holes are formed in the outer sides of the assembling and connecting arc plates at equal intervals; round holes are arranged on the outer side of the connecting shaft sleeve at equal intervals; the connecting shaft sleeve can penetrate through a round hole in the outer side of the connecting shaft sleeve through a bolt to be inserted into a screw hole in the outer side of the assembling and connecting arc plate to be fixedly connected with the other group of connecting shaft sleeves.
(III) advantageous effects
The invention provides a wear-resistant and easily-replaceable coupler for a water supply pump, which is provided with side sliding rods and a clamping piece, and provides an application function of quickly adjusting and adapting the coupler according to different types of shafts.
Secondly, the setting of assembly key seat provides the key function of trading fast for the shaft coupling, predetermines the fixed key of unidimensional in the assembly key seat, changes different assembly key seats according to the pivot type, selects corresponding fixed key to assemble according to the width at the keyway when installing the shaft coupling, can be connected shaft coupling and pivot transmission, has increased the suitability of shaft coupling.
Moreover, the arrangement of the connecting shaft sleeves provides a convenient and rapid wear structure replacement function for the coupler, the two groups of connecting shaft sleeves are sleeved together, the assembling and connecting arc plates are buckled together to realize guide assembly, and the two groups of connecting shaft sleeves are further fixed by bolts to be connected in a combined manner; after the connecting shaft sleeve is abraded, the connecting shaft sleeve can be replaced by loosening the bolt, a convenient and fast replacing function is provided for the connecting shaft sleeve, and the connecting shaft sleeve can be maintained fast after being abraded.
Drawings
FIG. 1 is a schematic perspective view of an embodiment of the present invention;
FIG. 2 is a schematic axial side view of an embodiment of the present invention;
FIG. 3 is a schematic view of a partially disassembled structure in an embodiment of the present invention;
FIG. 4 is a partial bottom view of an embodiment of the present invention;
FIG. 5 is a schematic perspective exploded view of an embodiment of the present invention;
FIG. 6 is a schematic perspective view of a conical sleeve according to an embodiment of the present invention;
FIG. 7 is a perspective view of a gear sleeve according to an embodiment of the present invention;
FIG. 8 is an enlarged partial structural view of part A in the embodiment of the present invention;
in fig. 1 to 8, the correspondence between the part names or lines and the reference numbers is:
1. a main barrel; 101. a key base groove; 102. a clamping flange; 2. assembling a key seat; 201. a square groove; 202. briquetting; 203. a fixed key; 3. a side slide bar; 301. a clamping piece; 302. a side slip roller; 4. an edge ring; 401. an L-shaped frame; 402. an adjustment shaft; 403. a transmission gear; 5. a gear sleeve; 501. a fluted disc; 6. a conical sleeve; 601. a strip-shaped hole; 602. a guide groove; 7. connecting the shaft sleeve; 701. and assembling and connecting the arc plates.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are only for convenience in describing and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed in a particular orientation, and be operated, and thus, should not be construed as limiting the invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, e.g., as being fixed or detachable or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
Referring to fig. 1 to 8, an embodiment of the present invention includes: a wear-resistant and easily replaceable coupling for a water supply pump comprises a main cylinder 1; six groups of cylinder structures are integrally arranged on the outer side of the main cylinder 1, and side sliding rods 3 are arranged in the cylinder structures in a sliding mode; the side sliding rod 3 is of a fan-shaped structure; the front end of the main cylinder 1 is fixedly provided with a side ring 4 through a screw; the outer side of the main cylinder 1 is provided with a gear sleeve 5 in a sliding way through clearance fit; the outer side of the rear end of the main cylinder 1 is fixedly provided with a connecting shaft sleeve 7 through a bolt; the main cylinder 1 also comprises a key seat groove 101 and a clamping flange 102; a key seat groove 101 is formed in the position, close to the rear, of the top of the main barrel 1, and a protruding structure is arranged in the middle of the front end of the key seat groove 101; an assembly key seat 2 is fixedly arranged in the key seat groove 101, and the assembly key seat 2 is matched with the key seat groove 101 in shape; a circular groove is formed in the middle of the rear end of the assembling key seat 2; the middle of the outer side of the main cylinder 1 is integrally provided with a clamping flange 102, and two ends of the gear sleeve 5 are attached to the clamping flange 102 and the side ring 4; the assembly key seat 2 also comprises a square groove 201, a pressing block 202 and a fixed key 203; a square groove 201 is formed in the middle of the top of the assembly key seat 2, a pressing block 202 is arranged in the square groove 201 in a sliding mode, a grid structure is arranged at the bottom of the pressing block 202, and a fixing key 203 is arranged on the grid structure through penetrating through the square groove 201; the side sliding rod 3 also comprises a clamping piece 301 and a side sliding roller 302; clamping pieces 301 are fixedly arranged at one ends of the side sliding rods 3 positioned in the main barrel 1, and the adjacent surfaces of the six groups of clamping pieces 301 are of a longitudinal double-semicircular-roller structure; the two sides of one end of the side sliding rod 3 positioned outside the main cylinder 1 are uniformly provided with side sliding rollers 302, and the side sliding rollers 302 are transversely arranged; the side ring 4 further comprises an L-shaped frame 401, an adjusting shaft 402 and a transmission gear 403; an L-shaped frame 401 is integrally arranged on one side of the side ring 4, an adjusting shaft 402 is rotatably arranged between the turning edge side of the L-shaped frame 401 and the side ring 4, and a knob structure is integrally arranged at the outer end of the adjusting shaft 402; a transmission gear 403 is fixedly arranged on the outer side of the middle of the adjusting shaft 402; the top end of the L-shaped frame 401 is provided with a jackscrew; the gear sleeve 5 also comprises a fluted disc 501; the outer part of the gear sleeve 5 is of a threaded structure; a fluted disc 501 is integrally arranged on the front end edge side of the toothed sleeve 5, and the front side of the fluted disc 501 is of a bevel gear structure; the transmission gear 403 is meshed with the fluted disc 501; the outer side of the gear sleeve 5 is provided with a conical sleeve 6 through threaded connection.
Wherein, the conical sleeve 6 also comprises a strip-shaped hole 601 and a guide groove 602; six groups of strip-shaped holes 601 are formed in the conical structure at the rear end of the conical sleeve 6, and guide grooves 602 are formed in two sides of the interior of each strip-shaped hole 601; the side-sliding rollers 302 are slidably disposed in the guide grooves 602.
Wherein, the connecting shaft sleeve 7 also comprises an assembling connecting arc plate 701; the rear side edge of the connecting shaft sleeve 7 is arranged to be of a corrugated structure, and the connecting shaft sleeve 7 can be matched with another group of connecting shaft sleeves 7; an assembly connecting arc plate 701 is integrally arranged on the inner side of the connecting shaft sleeve 7, and a notch is formed in the front side of the top of the assembly connecting arc plate 701; the assembling and connecting arc plate 701 is a semicircular ring structure; screw holes are formed in the outer sides of the assembling and connecting arc plates 701 at equal intervals; round holes are arranged on the outer side of the connecting shaft sleeve 7 at equal intervals; the connecting shaft sleeve 7 can penetrate through a round hole in the outer side of the connecting shaft sleeve 7 through a bolt to be inserted into a screw hole in the outer side of the assembling and connecting arc plate 701 to be fixedly connected with the other group of connecting shaft sleeve 7.
The working principle is as follows: when the device is used, the two groups of main cylinders 1 are respectively sleeved outside rotating shafts of a water pump and a motor, jackscrews at the top of the L-shaped frame 401 are loosened, the adjusting shaft 402 is rotated to drive the transmission gear 403 to rotate, the transmission gear 403 drives the fluted disc 501 to rotate, the fluted disc 501 drives the toothed sleeve 5 to rotate to push the conical sleeve 6 backwards, the side sliding rods 3 are retracted inwards and closed by the guide groove 602 matched with the side sliding rollers 302, the side sliding rollers 302 are provided to fix the rotating shafts, the position of the main cylinder 1 is fixed, and then the jackscrews at the top of the L-shaped frame 401 are screwed to fix the adjusting shaft 402.
Different assembly key bases 2 are replaced according to the types of the rotating shafts, fixing keys 203 with different sizes are preset in the assembly key bases 2, corresponding fixing keys 203 are selected according to the width of the key grooves to be assembled when the coupler is installed, the coupler is in transmission connection with the rotating shafts, and the applicability of the coupler is improved.
Sleeving the two groups of connecting shaft sleeves 7 together, buckling the two groups of connecting shaft sleeves together by using an assembling and connecting arc plate 701 to realize guide assembly, further fixing by using bolts, and combining and connecting the two groups of connecting shaft sleeves 7; after the connecting shaft sleeve 7 is abraded, the connecting shaft sleeve 7 can be replaced by loosening the bolt, a convenient and fast replacing function is provided for the connecting shaft sleeve 7, and the connecting shaft sleeve 7 can be maintained fast after being abraded.
It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.