CN217539382U

CN217539382U - Corrugated pipe coupling

Info

Publication number: CN217539382U
Application number: CN202222274874.9U
Authority: CN
Inventors: 崔丽; 李忠有
Original assignee: Xiberui Shenyang Heavy Mining Equipment Co ltd
Current assignee: Xiberui Shenyang Heavy Mining Equipment Co ltd
Priority date: 2022-08-29
Filing date: 2022-08-29
Publication date: 2022-10-04
Anticipated expiration: 2032-08-29

Abstract

The utility model discloses a corrugated pipe coupling, include: two half-couplings, and two mutual symmetry settings of half-coupling, two the backing plate is installed respectively to one side that the half-coupling is relative, is equipped with the bellows between two backing plates, the outer wall of half-coupling still is equipped with a plurality of set screw, two slots have been seted up to one side outer wall symmetry that the backing plate is relative with the bellows, the one end of first lead screw is installed through the bearing to the inner wall of backing plate, and the other end of first lead screw runs through the outer wall of backing plate. This corrugated pipe coupling relates to shaft coupling technical field, in-service use, can dismantle fast and change the bellows, and the staff's operation of being convenient for can also stretch out or return by quick convenient messenger's spline, realizes carrying out the fast switch over between having or not the spline, saves equipment cost, can support spacingly to equipment principal simultaneously, avoids taking place to damage because of external force leads to equipment when expanding rapidly.

Description

Corrugated pipe coupling

Technical Field

The utility model relates to a shaft coupling technical field specifically is a bellows shaft coupling.

Background

The corrugated pipe coupling is used for transferring motion by directly welding or bonding a thin-walled pipe (corrugated pipe) with a corrugated shape with two half couplings, has simple structure, small outline size, convenient processing and installation and high transmission precision, and is mainly used in small-power precision machinery and control mechanisms with compact structure and higher transmission precision; when the corrugated pipe coupling used in the current stage is used, the metal corrugated pipe part needs to be continuously stretched and retracted to perform compensation operation, so that the corrugated pipe coupling is easy to age and damage, however, the corrugated pipe part and the half coupling of the common corrugated pipe coupling are fixedly connected in modes such as welding and the like, the corrugated pipe coupling is inconvenient to disassemble and replace, if the corrugated pipe coupling is integrally discarded, the equipment cost is wasted, in addition, when the load demand of the coupling is increased, the corrugated pipe coupling with the spline can be replaced, the existing corrugated pipe coupling cannot be switched between modes without the spline, and meanwhile, the equipment cost can be increased by preparing two couplings.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a corrugated pipe coupling to solve the unable quick replacement corrugated pipe part that provides in the above-mentioned background art and can't carry out the problem of switching between the mode that has or not the spline.

In order to achieve the above object, the utility model provides a following technical scheme: a bellows coupling comprising: the corrugated pipe coupling comprises two half couplings, wherein the two half couplings are symmetrically arranged, a base plate is respectively installed on one side, opposite to the two half couplings, of each of the two half couplings, a corrugated pipe is assembled between the two base plates, a plurality of positioning screws are further arranged on the outer walls of the two opposite sides of the base plates, two slots are symmetrically formed in the outer walls of the two opposite sides of the corrugated pipe, one end of a first lead screw is installed on the inner wall of each base plate through a bearing, the other end of the first lead screw penetrates through the outer wall of each base plate, two limiting grooves are symmetrically formed in the inner cavities of the base plates, first through holes are symmetrically formed in the left side and the right side of each inner wall of each slot respectively, plug blocks are screwed in the left side and the right side of the outer wall of each first lead screw respectively, the top ends of the outer walls of the plug blocks are slidably embedded in the inner cavities of the limiting grooves, two clamping blocks are symmetrically installed at the upper ends and the lower ends of the corrugated pipe respectively, the clamping blocks are plugged in the inner cavities of the slots, second through holes are formed in the outer walls of the clamping blocks, limiting assemblies are plugged in the inner cavities of the second through holes, and two telescopic mechanisms are symmetrically assembled in the inner cavities of the half couplings.

Preferably, the threads on the left side and the right side of the outer wall of the first lead screw are positive and negative threads.

Preferably, the limiting assembly comprises: two extension boards are symmetrically installed on the front side and the rear side of the outer wall of the half coupling respectively, the two extension board inner cavities corresponding to the outer wall of the half coupling are respectively embedded with the upper end and the lower end of the outer wall of the limiting rod in a slidable mode, springs are sleeved at the upper end and the lower end of the outer wall of the limiting rod respectively, and the two ends of each spring are fixedly installed on the outer wall of the limiting rod and the outer wall of the extension board respectively.

Preferably, the telescopic mechanism includes: the stopper, and the stopper install in the inner chamber bottom of half-coupling, the one end that has the second lead screw is embedded to the inner chamber slidable of stopper, and the other end spiro union of second lead screw and run through the outer wall top of half-coupling, the sleeve is installed through the bearing to the outer wall of second lead screw, the one end of bull stick is installed through the round pin axle to telescopic outer wall, the spline is installed through the bearing to the other end of bull stick, and the spline runs through the inner wall of half-coupling, two limiting plates are installed to the inner wall left side symmetry of half-coupling, just spline slidable is embedded in the clearance of two limiting plates.

Preferably, the rotating rod is obliquely arranged from bottom to top towards the center of the half coupling.

Compared with the prior art, the beneficial effects of the utility model are that: this corrugated pipe coupling, make two inserted blocks keep away from each other through rotatory first lead screw, after the outer wall of inserted block leaves the inner chamber of second through-hole, the bellows breaks away from by spacing state can take out it and change, make its rebound through rotatory second lead screw, and then utilize the rotation of bull stick to make the spline extend to the central blind hole of half-coupling, otherwise then can make it return and contract, through the gag lever post, the mutually supporting of extension board, and utilize the self elasticity of spring to counter and cushion external force, avoid excessive inflation, in the in-service use, can dismantle fast and change the bellows, the staff's operation of being convenient for, can also be fast convenient make the spline stretch out or contract, realize having and carry out fast switch-over between the no spline, save equipment cost, can support spacing equipment principal simultaneously, avoid because of the equipment takes place to damage when external force leads to rapid inflation.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a front sectional view of the cushion plate of the present invention.

Fig. 3 is a schematic structural view of the corrugated tube of the present invention.

Fig. 4 is a front view sectional view of the stopper of the present invention.

In the figure: 1. half-coupling, 2, backing plate, 3, bellows, 4, set screw, 5, slot, 6, first lead screw, 7, spacing groove, 8, first through-hole, 9, inserted block, 10, fixture block, 11, second through-hole, 12, extension board, 13, gag lever post, 14, spring, 15, stopper, 16, second lead screw, 17, sleeve, 18, bull stick, 19, limiting plate, 20, spline.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a bellows coupling technical solution: a bellows coupling comprising: the corrugated pipe type clutch comprises half couplers 1, backing plates 2, corrugated pipes 3, positioning screws 4, slots 5, a first lead screw 6, a limiting groove 7, a first through hole 8, an inserting block 9, a clamping block 10 and a second through hole 11, wherein the two half couplers 1 are symmetrically arranged, the backing plates 2 are respectively arranged on one opposite sides of the two half couplers 1, the corrugated pipe 3 is assembled between the two backing plates 2, the corrugated pipe 3 is existing equipment and comprises a foldable metal element, displacement is compensated through self expansion and contraction, the outer wall of the half couplers 1 is also provided with the plurality of positioning screws 4, the positioning screws 4 are the existing equipment, a rotating shaft of the external equipment can be tightly held by rotating the positioning screws, the two slots 5 are symmetrically arranged on the outer wall of one opposite side of the backing plate 2 and the corrugated pipe 3, one end of the first lead screw 6 is arranged on the inner wall of the backing plate 2 through a bearing, and the other end of the first lead screw 6 penetrates through the outer wall of the backing plate 2, the inner cavity of the backing plate 2 is also symmetrically provided with two limiting grooves 7, the left side and the right side of the inner wall of the slot 5 are respectively symmetrically provided with a first through hole 8, the left side and the right side of the outer wall of the first lead screw 6 are respectively screwed with an insert block 9, when the first lead screw 6 rotates, the two insert blocks 9 can be close to each other and far away, the top end of the outer wall of the insert block 9 can be slidably embedded in the inner cavity of the limiting groove 7, the insert block 9 can be kept stable by utilizing the limiting of the limiting groove 7, the outer wall of the insert block 9 corresponds to the shape of the first through hole 8, therefore, the insert block 9 can penetrate through the first through hole 8 and extend into the inner cavity of the slot 5 after moving, the upper end and the lower end of the corrugated pipe 3 are respectively and symmetrically provided with two fixture blocks 10, the fixture blocks 10 are inserted in the inner cavity of the slot 5, the outer wall of the fixture block 10 is provided with a second through hole 11, the outer wall of the insert block 9 is inserted in the inner cavity of the second through hole 11, the outer side of the half coupler 1 is provided with a limiting component, the inner cavity of the half coupling 1 is symmetrically provided with two telescopic mechanisms.

As preferred scheme, further, the screw thread of the left and right sides of the outer wall of the first lead screw 6 is positive and negative screw thread, and the two inserting blocks 9 can be enabled to be close to or far away from each other synchronously when the first lead screw 6 rotates.

As a preferred scheme, furthermore, the limiting assembly comprises: extension board 12, gag lever post 13 and spring 14, two extension boards 12 are installed to both sides symmetry respectively around the outer wall of half-coupling 1, both ends about the outer wall that gag lever post 13 is embedded to the corresponding extension board 12 inner chamber of two half-coupling 1 outer walls slidable respectively, spring 14 has been cup jointed respectively at both ends about the outer wall of gag lever post 13, and spring 14's both ends are fixed mounting respectively in the outer wall of gag lever post 13 and the outer wall of extension board 12, spring 14 is coil spring, receive tensile or extrusion production elastic deformation, resume initial state after removing external force, when extension board 12 removes along gag lever post 13, can order about spring 14 deformation, utilize spring 14 self elasticity or pulling force, can cushion external force.

Preferably, the telescopic mechanism further comprises: the limiting block 15, the second lead screw 16, the sleeve 17, the rotating rod 18, the limiting plate 19 and the spline 20, the limiting block 15 is installed at the bottom end of the inner cavity of the half-coupling 1, one end of the second lead screw 16 is embedded into the inner cavity of the limiting block 15 in a slidable mode, the other end of the second lead screw 16 is in threaded connection with and penetrates through the top end of the outer wall of the half-coupling 1, when the second lead screw 16 rotates, the second lead screw 16 can move upwards, meanwhile, the limiting block 15 is used for limiting, the second lead screw 16 is kept stable and is prevented from deflecting, the sleeve 17 is installed on the outer wall of the second lead screw 16 through a bearing, it is guaranteed that the sleeve 17 can only move upwards and downwards without rotating when the second lead screw 16 rotates, one end of the rotating rod 18 is installed on the outer wall of the sleeve 17 through a pin shaft, the spline 20 is installed on the other end of the rotating rod 18 through a bearing, the spline 20 penetrates through the inner wall of the half-coupling 1, the two limiting plates 19 are symmetrically installed on the left side of the inner wall of the half-coupling 1, the spline 20 is embedded into gaps of the two limiting plates 19 in a slidable mode, and the spline 20 can be slidably embedded into the gaps of the two limiting plates 19 when the rotating rod 18 rotates, and the spline 20 is guaranteed to be stable.

Preferably, the rotating rod 18 is inclined from bottom to top toward the center of the coupling half 1, so that when the second lead screw 16 moves upward, the rotating rod 18 can drive the spline 20 to extend into the central blind hole of the coupling half 1, and otherwise, the spline can be retracted into the inner cavity of the coupling half 1.

The detailed connection means is a known technology in the art, and a person in the art connects all the electrical components in the present case with a power supply adapted to the electrical components through a lead, and should select a suitable controller according to actual conditions to meet control requirements, and the detailed connection and control sequence should be described in the following working principle, in which the electrical components are electrically connected in sequence.

When the corrugated pipe 3 needs to be replaced, the first lead screw 6 is rotated by the screwdriver, the two inserting blocks 9 can be far away from each other when the first lead screw 6 rotates, after the outer wall of the inserting block 9 leaves the inner cavity of the second through hole 11, the clamping block 10 is separated from a limited state, the corrugated pipe 3 can be taken out at the moment, the other corrugated pipe 3 is placed between the two half couplings 1, the clamping block 10 is inserted into the inner cavity of the slot 5, the first lead screw 6 can be reversely rotated, the two inserting blocks 9 can be reinserted into the inner cavity of the second through hole 11 by the reverse rotation of the first lead screw 6, the clamping block 10 and the corrugated pipe 3 are fixed, the other corrugated pipe 3 can be placed between the two half couplings 1, the clamping block 10 can be further inserted into the inner cavity of the slot 5, the spline shaft 16 can be rapidly replaced, the spline shaft coupling can be rapidly, the spline shaft 16 can be rapidly replaced, the spline shaft 16 can be rapidly connected with the second lead screw when the corrugated pipe 3 is required to be replaced, the spline shaft coupling, the corrugated pipe can be rapidly, the spline 16 can be rapidly replaced, the spline shaft can be rapidly, when the corrugated pipe 3 is used, the spline shaft coupling is rapidly, the spline 16, the spline shaft coupling can be replaced, the spline 16, the spline shaft can be rapidly, the spline 16, the corrugated pipe 16 can be rapidly, the corrugated pipe 16 can be rapidly, the corrugated pipe can be replaced, the spline shaft coupling can be rapidly, the spline shaft coupling can be used in the device, the universality is high.

In the description of the present invention, it is to be understood that the terms "bottom", "one end", "top", "center position", "the other end", "up", "one side", "top", "inside", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation; also, unless expressly stated or limited otherwise, the terms "snap-fit," "plug-in," "weld," "mount," "set," "interference fit," "screw-on," "pin-on," and the like are to be construed broadly, e.g., as a fixed connection, a removable connection, or an integral whole; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate medium, and may be used for communicating the inside of two elements or for interacting with each other, unless otherwise specifically defined, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to the specific circumstances.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A bellows coupling comprising: the two half-couplings (1) are symmetrically arranged, backing plates (2) are respectively arranged on one opposite sides of the two half-couplings (1), a corrugated pipe (3) is assembled between the two backing plates (2), a plurality of positioning screws (4) are further arranged on the outer wall of each half-coupling (1), the two half-couplings are characterized in that two slots (5) are symmetrically formed in the outer wall of one opposite side of each backing plate (2) and the corrugated pipe (3), one end of a first lead screw (6) is arranged on the inner wall of each backing plate (2) through a bearing, the other end of the first lead screw (6) penetrates through the outer wall of each backing plate (2), two limiting grooves (7) are further symmetrically formed in the inner cavity of each backing plate (2), first through holes (8) are respectively and symmetrically formed in the left and right sides of the inner wall of each slot (5), plug blocks (9) are respectively screwed on the left and right sides of the outer wall of each first lead screw (6), the top ends of the outer walls of the plug blocks (9) are slidably embedded in the inner cavities of the limiting grooves (7), two fixture blocks (10) are respectively and symmetrically installed at the upper and the lower ends of the corrugated pipe (3), and the second through holes (11) are formed in the second through holes (11) of the plug blocks (11), the outer side of the half coupling (1) is provided with a limiting assembly, and the inner cavity of the half coupling (1) is symmetrically provided with two telescopic mechanisms.

2. A bellows coupling according to claim 1, wherein: the left and right threads of the outer wall of the first lead screw (6) are positive and negative threads.

3. A bellows coupling according to claim 1, wherein: the spacing subassembly includes: two extension boards (12) are symmetrically installed to both sides respectively around the outer wall of half-coupling (1), two the corresponding extension board (12) inner chamber of half-coupling (1) outer wall has both ends about the outer wall that slidable embedded gag lever post (13) respectively, spring (14) have been cup jointed respectively at both ends about the outer wall of gag lever post (13), and the both ends of spring (14) respectively fixed mounting in the outer wall of gag lever post (13) and the outer wall of extension board (12).

4. A bellows coupling according to claim 1, wherein: the telescopic mechanism comprises: stopper (15), and stopper (15) install in the inner chamber bottom of half-coupling (1), the inner chamber slidable of stopper (15) is embedded to have the one end of second lead screw (16), and the other end spiro union of second lead screw (16) and run through the outer wall top of half-coupling (1), sleeve (17) are installed through the bearing to the outer wall of second lead screw (16), the one end of bull stick (18) is installed through the round pin axle to the outer wall of sleeve (17), spline (20) are installed through the bearing to the other end of bull stick (18), and spline (20) run through the inner wall of half-coupling (1), two limiting plates (19) are installed to the inner wall left side symmetry of half-coupling (1), just spline (20) slidable is embedded in the clearance of two limiting plates (19).

5. A bellows coupling according to claim 4, wherein: the rotating rod (18) is obliquely arranged from bottom to top towards the center direction of the half coupling (1).