CN210830217U

CN210830217U - Sealing protection coupling capable of preventing foreign matter from being involved

Info

Publication number: CN210830217U
Application number: CN201921906946.9U
Authority: CN
Inventors: 鄂家承
Original assignee: Zhenjiang Jinjiang Machinery Manufacturing Co ltd
Current assignee: Zhenjiang Jinjiang Machinery Manufacturing Co ltd
Priority date: 2019-11-07
Filing date: 2019-11-07
Publication date: 2020-06-23
Anticipated expiration: 2029-11-07

Abstract

The utility model discloses a prevent shaft coupling of sealing protection that foreign matter is drawn into, including first axle sleeve and bolt, first draw-in groove has been seted up to first axle sleeve right-hand member, and the inside plum blossom shape elastic component that is provided with of first draw-in groove, first axle sleeve right-hand member sets up inside the sleeve, and the sleeve fixes in second axle sleeve left side, and the second axle sleeve sets up right-hand at first axle sleeve simultaneously, the inside fixture block that is provided with of sleeve, and the fixture block setting is inside first draw-in groove, spout and screw have been seted up to the sleeve inner wall, and the screw runs through the sleeve and is connected with the spout. This prevent shaft coupling of sealing protection that foreign matter is drawn into is provided with sleeve and brush, and first axle sleeve sets up inside the sleeve, and the first draw-in groove, the quincunx elastic component and the fixture block of first axle sleeve right-hand member all set up inside the sleeve, and first axle sleeve is provided with the brush with muffjoint department simultaneously, avoids foreign matters such as dust to get into first draw-in groove inside, pollutes the lubricating oil in the first draw-in groove, plays sealed dirt-proof effect.

Description

Sealing protection coupling capable of preventing foreign matter from being involved

Technical Field

The utility model relates to a shaft coupling technical field specifically is a prevent shaft coupling of sealing protection that foreign matter was drawn into.

Background

A coupling, also known as a shaft coupling, is a mechanical component used to couple two shafts for rotation together and to transmit motion and torque.

The existing couplings are various in types, wherein the quincunx couplings are mainly used for flexible connection, but the two ends of the existing quincunx couplings are not sealed tightly enough, foreign matters such as dust and the like easily enter the joints at the two ends of the quincunx couplings to pollute lubricating oil therein, the two ends of the existing quincunx couplings are usually connected in a fitting mode for reserving buffer allowance, the connection mode is not stable enough, when the quincunx couplings generate axial displacement, the two ends of the quincunx couplings are easily separated, and aiming at the problems, the existing equipment needs to be improved.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent shaft coupling of sealing protection that foreign matter is drawn into, present shaft coupling variety is various in solving above-mentioned background art and proposed, wherein plum blossom shape shaft coupling mainly used flexible connection, but present plum blossom shape shaft coupling both ends are sealed inseparable enough, foreign matters such as dust get into the junction at plum blossom shape shaft coupling both ends easily, pollute lubricating oil wherein, and present plum blossom shape shaft coupling both ends are for leaving the buffering surplus, connect through the mode of agreeing with usually, this kind of connected mode is firm inadequately, when the axial displacement takes place for the plum blossom shape shaft coupling, lead to the problem of plum blossom shape shaft coupling both ends separation easily.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a prevent shaft coupling of sealing protection that foreign matter is drawn into, includes first axle sleeve and bolt, first draw-in groove has been seted up to first axle sleeve right-hand member, and the inside quincunx elastic component that is provided with of first draw-in groove, first axle sleeve right-hand member sets up inside the sleeve, and the sleeve fixes in second axle sleeve left side, and the second axle sleeve sets up at first axle sleeve right-hand simultaneously, the inside fixture block that is provided with of sleeve, and the fixture block setting is inside first draw-in groove, spout and screw have been seted up to the sleeve inner wall, and the screw runs through the sleeve and is connected with the spout, the bolt runs through the screw and is connected with the locating part, and the locating part setting is inside the spout, the one end setting that the locating part is close to first axle sleeve is inside the second draw-in groove, and the second draw.

Preferably, the first shaft sleeve is connected with the sleeve in a sliding manner, and the outer end of the first shaft sleeve is attached to the brush.

Preferably, the quincunx elastic element is arranged between the first clamping groove and the clamping block, and the clamping block is rotatably connected with the first clamping groove.

Preferably, the number of the sliding grooves is three, and the three sliding grooves are arranged in a shape like a Chinese character 'pin' by taking the center of the sleeve as the center.

Preferably, the bolt is connected with the screw hole in a threaded manner, and the bolt is connected with the limiting part in a rotating manner.

Preferably, the connection mode of the limiting part and the sliding groove is sliding connection, and the connection mode of the limiting part and the second clamping groove is sliding connection.

Compared with the prior art, the beneficial effects of the utility model are that: the sealing protection shaft coupling for preventing foreign matters from being involved,

(1) the sealing ring is more convenient to disassemble and assemble than a sealing ring, foreign matters such as dust are prevented from entering the first clamping groove to pollute lubricating oil in the first clamping groove, and the sealing and dust prevention effects are achieved;

(2) the limiting part and the second clamping groove are arranged, the first shaft sleeve slides into the sleeve, the bolt pushes the limiting part to slide towards the first shaft sleeve along the sliding groove until the limiting part is arranged in the second clamping groove, the limiting part is connected with the second clamping groove in a sliding mode, the first shaft sleeve and the sleeve are convenient to circumferentially displace, and meanwhile, the axial positioning effect is achieved between the first shaft sleeve and the sleeve.

Drawings

FIG. 1 is a schematic view of the cross-sectional structure of the present invention;

FIG. 2 is a schematic view of the left side view of the cross-section of the present invention;

fig. 3 is a schematic diagram of the right side view of the cross-sectional structure of the present invention.

In the figure: 1. the brush comprises a first shaft sleeve, a second shaft sleeve, a first clamping groove, a quincunx elastic piece, a sleeve, a second shaft sleeve, a second clamping groove, a first shaft sleeve, a second clamping groove.

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. 1-3, the present invention provides a technical solution: a shaft coupling with sealing protection for preventing foreign matters from being involved is disclosed, as shown in figures 1 and 3, a first clamping groove 2 is arranged at the right end of a first shaft sleeve 1, a quincunx elastic part 3 is arranged inside the first clamping groove 2, the first shaft sleeve 1 is connected with a sleeve 4 in a sliding mode, a brush 12 is attached to the outer end of the first shaft sleeve 1, the right end of the first shaft sleeve 1 can conveniently slide into the sleeve 4, the quincunx elastic part 3 is arranged between the first clamping groove 2 and a clamping block 6, the clamping block 6 is connected with the first clamping groove 2 in a rotating mode, the first shaft sleeve 1 is connected with a second shaft sleeve 5 through the clamping block 6 in a matching mode with the first clamping groove 2, when the clamping block 6 and the first clamping groove 2 rotate in a non-synchronous circumferential mode, the quincunx elastic part 3 plays a buffering role, the right end of the first shaft sleeve 1 is arranged inside the sleeve 4, the sleeve 4 is fixed at the left side of the second shaft sleeve 5, and the second, the inside fixture block 6 that is provided with of sleeve 4, and fixture block 6 sets up inside first draw-in groove 2.

As shown in fig. 1 and fig. 2, the inner wall of the sleeve 4 is provided with three sliding slots 7 and three screw holes 8, the screw holes 8 penetrate through the sleeve 4 and are connected with the sliding slots 7, the three sliding slots 7 are arranged in a shape like a Chinese character pin with the center of the sleeve 4 as the center, the limiting member 10 is arranged inside the sliding slots 7, the three limiting members 10 arranged in a shape like a Chinese character pin enable the first sleeve 1 to be fixed more stably, the bolt 9 penetrates through the screw hole 8 and is connected with the limiting member 10, the limiting member 10 is arranged inside the sliding slots 7, the bolt 9 is connected with the screw holes 8 in a threaded manner, the bolt 9 is connected with the limiting member 10 in a rotating manner, the bolt 9 can push the limiting member 10 to slide along the sliding slots 7, the limiting member 10 is connected with the sliding slots 7 in a sliding manner, the limiting member 10 is connected with the second slot 11 in a sliding manner, the limiting member 10 is arranged inside the, meanwhile, the first shaft sleeve 1 is convenient to rotate circumferentially, one end, close to the first shaft sleeve 1, of the limiting part 10 is arranged inside the second clamping groove 11, the second clamping groove 11 is arranged on the outer side of the first shaft sleeve 1, the inner wall surface of the sleeve 4 is provided with the brush 12, and the brush 12 is arranged on the right side of the limiting part 10.

The working principle is as follows: when the sealing protection shaft coupling capable of preventing foreign matter from being involved is used, firstly, the quincunx elastic piece 3 is placed into the first clamping groove 2, the right end of the first shaft sleeve 1 is placed into the sleeve 4 in a sliding mode until the clamping block 6 is placed into the first clamping groove 2, the bolt 9 is rotated, the bolt 9 rotates along the screw hole 8 and moves towards the first shaft sleeve 1, the bolt 9 pushes the limiting piece 10 to slide along the sliding groove 7 until one end, close to the first shaft sleeve 1, of the limiting piece 10 is arranged inside the second clamping groove 11 to play a role in fixing axial displacement of the first shaft sleeve 1, the first shaft sleeve 1 is connected with the driven shaft, the second shaft sleeve 5 is connected with the driving shaft, the second shaft sleeve 5 is connected with the first shaft sleeve 1 through the matching of the first clamping groove 2 and the clamping block 6, the driving shaft drives the driven shaft to rotate through the quincunx shaft coupling, when the driving shaft and the driven shaft rotate asynchronously in the circumferential direction, the quincunx elastic element 3 contracts to absorb kinetic energy to play a role of buffering, meanwhile, the first shaft sleeve 1 rotates in the sleeve 4, the brush 12 in the sleeve 4 is attached to the outer side of the first shaft sleeve 1 to play a role of sealing and dust prevention, and therefore all work is completed, and the content which is not described in detail in the specification belongs to the prior art which is well known by a person skilled in the art.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a prevent sealed shaft coupling of protection that foreign matter is drawn in, includes first axle sleeve (1) and bolt (9), its characterized in that: the right end of the first shaft sleeve (1) is provided with a first clamping groove (2), a quincunx elastic part (3) is arranged in the first clamping groove (2), the right end of the first shaft sleeve (1) is arranged in a sleeve (4), the sleeve (4) is fixed on the left side of a second shaft sleeve (5), the second shaft sleeve (5) is arranged on the right side of the first shaft sleeve (1), a clamping block (6) is arranged in the sleeve (4), the clamping block (6) is arranged in the first clamping groove (2), the inner wall of the sleeve (4) is provided with a sliding groove (7) and a screw hole (8), the screw hole (8) penetrates through the sleeve (4) and is connected with the sliding groove (7), the bolt (9) penetrates through the screw hole (8) and is connected with a limiting part (10), the limiting part (10) is arranged in the sliding groove (7), one end, close to the first shaft sleeve (1), of the limiting part (10) is arranged in the second clamping groove, and the second clamping groove (11) is arranged at the outer side of the first shaft sleeve (1), the inner wall surface of the sleeve (4) is provided with a brush (12), and the brush (12) is arranged at the right side of the limiting part (10).

2. A sealing-protected coupling against entanglement of foreign matter according to claim 1, wherein: the first shaft sleeve (1) is connected with the sleeve (4) in a sliding mode, and the outer end of the first shaft sleeve (1) is attached to the hairbrush (12).

3. A sealing-protected coupling against entanglement of foreign matter according to claim 1, wherein: the quincunx elastic piece (3) is arranged between the first clamping groove (2) and the clamping block (6), and the clamping block (6) is rotatably connected with the first clamping groove (2).

4. A sealing-protected coupling against entanglement of foreign matter according to claim 1, wherein: the number of the sliding grooves (7) is three, and the three sliding grooves (7) are arranged in a shape like the Chinese character 'pin' by taking the center of the sleeve (4) as the center.

5. A sealing-protected coupling against entanglement of foreign matter according to claim 1, wherein: the bolt (9) is connected with the screw hole (8) in a threaded manner, and the bolt (9) is connected with the limiting piece (10) in a rotating manner.

6. A sealing-protected coupling against entanglement of foreign matter according to claim 1, wherein: the limiting piece (10) is connected with the sliding groove (7) in a sliding manner, and the limiting piece (10) is connected with the second clamping groove (11) in a sliding manner.