Radial positioning device for diaphragm coupling

Abstract

The utility model discloses a radial positioning device for a diaphragm coupling, and particularly relates to the technical field of couplings, the radial positioning device comprises a center plate, baffles are arranged on both sides of the center plate, a plurality of connecting bolts are arranged in the center plate in a surrounding and penetrating mode, and a transmission gear ring is rotatably connected to the center of one side, away from the center plate, of each baffle. The sides, close to the connecting bolts, of the interiors of the baffles are slidably connected with extrusion blocks. A plurality of arc-shaped grooves are formed in the end, close to the connecting bolt, of the outer wall of the baffle, and sliding grooves corresponding to the extrusion blocks are formed in the side, close to the arc-shaped grooves, of the interior of the baffle. The ends, close to the arc-shaped grooves, of the connecting bolts are in threaded connection with extrusion gear rings, and the ends, away from the center plate, of the extrusion gear rings are fixedly connected with nuts. And the extrusion gear ring is attached to the side face of the center plate. The connecting bolt has the advantages that tight connection and fixation are facilitated, uneven extrusion is avoided, the connecting bolt is conveniently fixed, and looseness is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to a coupling technical field, concretely relates to a radial positioning device for diaphragm coupling. BACKGROUND

[0002] Diaphragm coupling compensates the relative displacement of two shafts by the elastic deformation of diaphragm, is a high-performance metal strong element flexible coupling, does not need to lubricate oil, the structure is relatively compact, high strength, long service life, no rotation gap, is not affected by temperature and oil dirt, has the characteristics of acid resistance, alkali resistance and corrosion resistance, and is suitable for high temperature, high speed and corrosive medium working condition environment shaft transmission.

[0003] The existing diaphragm coupling with radial positioning pipe comprises a mounting plate, fixed mounting sleeves are arranged on the two sides of the mounting plate, a diaphragm coupling body is fixedly arranged on the outer side of the fixed mounting sleeve, and a connecting hole is formed in the diaphragm coupling body.

[0004] The above-mentioned prior art has some defects in actual use. The device only fixes and connects the coupling through two bolts on both sides, which can easily cause insufficient tightness. Meanwhile, the two bolts lack connection with each other, which can easily cause different degrees of tightness during fixing, thereby causing insufficient tightness of connection. Meanwhile, the device fixes the bolt through the clamping structure on both sides during use, and manual operation is required during installation. Moreover, the extrusion structure cannot perfectly adhere to the side surface of the bolt, which can easily cause additional movement of the bolt during extrusion. Moreover, it is not convenient to disassemble and replace. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a radial positioning device for diaphragm coupling, which solves the problems of insufficient tightness of the existing coupling and inconvenient limiting of the bolt.

[0006] To achieve the above object, the utility model provides the following technical scheme: a radial positioning device for diaphragm coupling, including center plate, both sides of center plate are provided with baffle, the inside of center plate is provided with a plurality of connecting bolts around through, the side center of baffle away from center plate is rotatably connected with transmission gear ring, the inside of baffle is close to the side of connecting bolt and is slidably connected with extrusion block,

[0007] The outer wall of the baffle is provided with a plurality of arc-shaped grooves near the connecting bolts, and the inner side of the baffle near the arc-shaped grooves is provided with a sliding groove corresponding to the extrusion block.

[0008] The end of the connecting bolt near the arc-shaped groove is threadedly connected with an extrusion gear ring, and the end of the extrusion gear ring away from the center plate is fixedly connected with a nut.

[0009] The side surface of the extrusion gear ring is attached to the center plate, and the outer wall of one side of the extrusion gear ring is meshingly connected with the transmission gear ring.

[0010] Preferably, the baffle side wall is provided with a through hole corresponding to the connecting bolt, and the baffle side wall is provided with a groove corresponding to the end of the connecting bolt.

[0011] Preferably, the outer wall of the extrusion block is slidably connected with the inner side of the sliding groove, the end of the extrusion block near the inner side of the sliding groove is fixedly connected with a spring piece, and the end of the spring piece away from the extrusion block is fixedly connected with the inner side of the sliding groove.

[0012] Preferably, the teeth of the outer wall of the extrusion gear ring are inclined to one side, and the side of the extrusion block near the extrusion gear ring is provided with teeth corresponding to the extrusion gear ring, and the extrusion gear ring and the extrusion block are connected to form a ratchet structure.

[0013] Preferably, the side surface of the baffle is provided with an annular groove corresponding to the transmission gear ring, the outer wall of the transmission gear ring is provided with a plurality of inclined teeth, and the transmission gear ring is meshingly connected with the plurality of extrusion gear rings through the teeth of the outer wall.

[0014] Preferably, the center of both sides of the center plate is provided with a mounting pipe, the mounting pipe is fixedly connected with the baffle, and the arc-shaped grooves of the side walls of the two baffles do not correspond to each other.

[0015] In the above technical scheme, the utility model provides the technical effect and advantage:

[0016] 1, rotate the nut, so that the nut rotates and drives the extrusion gear ring to rotate, and then the extrusion gear ring drives the transmission gear ring to rotate, which can make the transmission gear ring drive the remaining extrusion gear rings to rotate, so that the connecting bolts can extrude the baffles synchronously, so that the baffles can be closely attached to the center plate, and the baffles can be closely fixed.

[0017] 2、When the rotating nut is rotated, the extrusion tooth ring can be driven to rotate, and because the outer wall of the extrusion tooth ring is provided with inclined teeth, and the extrusion tooth ring is engaged with one end of the extrusion block to form a ratchet structure, the extrusion block can be pushed to move reversely when the extrusion tooth ring rotates to one side, and the spring sheet on one side of the extrusion block can also continuously push the extrusion block to rebound, thereby maintaining the close fit of the extrusion block and the extrusion tooth ring, and effectively blocking the reverse rotation of the extrusion tooth ring by the extrusion block, so that the connection of the connecting bolt can be avoided to be loose, and because the transmission tooth ring is engaged with the plurality of extrusion tooth rings, the transmission tooth ring can synchronously block the reverse movement of the plurality of extrusion tooth rings, without manual adjustment and fixing, which is more convenient. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments described in the present application, and other drawings can also be obtained by those skilled in the art according to these drawings.

[0019] Figure 1 It is a schematic view of the overall structure of the present application.

[0020] Figure 2 It is a side view of the present application.

[0021] Figure 3 It is a top view of the present application.

[0022] Figure 4 It is a schematic view of the internal structure of the baffle plate of the present application.

[0023] Figure 5 It is a schematic view of the structure of the center plate and the external connecting bolt of the present application.

[0024] Explanation of reference signs:

[0025] 1, center plate; 101, mounting pipe; 2, baffle plate; 201, arc-shaped groove; 202, sliding groove; 3, connecting bolt; 301, extrusion tooth ring; 302, nut; 4, transmission tooth ring; 5, extrusion block; 501, spring sheet. DETAILED DESCRIPTION

[0026] In order to make those skilled in the art better understand the technical scheme of the present application, the present application will be further described in detail with reference to the drawings.

[0027] The present application provides a Figures 1-5A radial positioning device for a diaphragm coupling, a radial positioning device for a diaphragm coupling, including a center plate 1, both sides of the center plate 1 are provided with a baffle 2, a plurality of connecting bolts are provided around the inside of the center plate 1, a transmission gear ring 4 is rotatably connected to the center of the side of the baffle 2 away from the center plate 1, and a plurality of extrusion blocks 5 are slidably connected to the side of the inside of the baffle 2 close to the connecting bolts 3; a plurality of arc-shaped grooves 201 are formed in the outer wall of the baffle 2 close to one end of the connecting bolts 3, and a plurality of sliding grooves 202 corresponding to the extrusion blocks 5 are formed in the side of the inside of the baffle 2 close to the arc-shaped grooves 201; an extrusion gear ring 301 is threadedly connected to one end of the connecting bolt 3 close to the arc-shaped groove 201, and a nut 302 is fixedly connected to the end of the extrusion gear ring 301 away from the center plate 1; the extrusion gear ring 301 is in contact with the side surface of the center plate 1, and the side wall of the extrusion gear ring 301 is in meshing connection with the transmission gear ring 4.

[0028] The extrusion gear ring 301 and the nut 302 are threadedly connected to one end of the connecting bolt 3 close to the arc-shaped groove 201, so that the extrusion gear ring 301 can be in meshing connection with the corresponding transmission gear ring 4, and then the nut 302 can be conveniently rotated during fixation, so that the nut 302 rotates to drive the extrusion gear ring 301 to rotate, and then the extrusion gear ring 301 drives the transmission gear ring 4 to rotate, so that the transmission gear ring 4 drives the remaining extrusion gear rings 301 to rotate, so that the connecting bolt 3 can synchronously extrude the baffle 2, and when the extrusion gear ring 301 rotates to one side, the extrusion block 5 can be pushed to move reversely, and the spring sheet 501 on one side of the extrusion block 5 can continuously push the extrusion block 5 to rebound, so that the extrusion block 5 is closely attached to the extrusion gear ring 301, and the extrusion block 5 can effectively block the reverse rotation of the extrusion gear ring 301, so that the connection of the connecting bolt 3 can be avoided to be loose.

[0029] As shown in Figure 1 , Figure 2 , the side wall of the baffle 2 is provided with a through hole corresponding to the connecting bolt 3, the side wall of the baffle 2 is provided with a recess corresponding to the end of the connecting bolt 3, the teeth of the outer wall of the extrusion gear ring 301 are inclined to one side, and the side of the extrusion block 5 close to the extrusion gear ring 301 is provided with teeth corresponding to the extrusion gear ring 301, the extrusion gear ring 301 and the extrusion block 5 are connected to form a ratchet structure, and when the extrusion gear ring 301 rotates to one side, the extrusion block 5 can be pushed to move reversely, and the spring sheet 501 on one side of the extrusion block 5 can continuously push the extrusion block 5 to rebound, so that the extrusion block 5 is closely attached to the extrusion gear ring 301, and the extrusion block 5 can effectively block the reverse rotation of the extrusion gear ring 301, so that the connection of the connecting bolt 3 can be avoided to be loose.

[0030] As shown in Figure 3 , Figure 4As shown, the outer wall of the extrusion block 5 is in sliding connection with the inner part of the sliding groove 202, and the extrusion block 5 is fixedly connected with a spring sheet 501 at one end close to the inner part of the sliding groove 202, and the other end of the spring sheet 501 is fixedly connected with the inner part of the sliding groove 202. When the extrusion tooth ring 301 rotates to one side, the extrusion block 5 can be pushed to move in the opposite direction, and at the same time, the spring sheet 501 on one side of the extrusion block 5 can continuously push the extrusion block 5 to rebound, thereby keeping the extrusion block 5 closely fitted with the extrusion tooth ring 301, and effectively preventing the extrusion tooth ring 301 from rotating in the opposite direction by the extrusion block 5, so as to avoid the loosening of the connecting bolt 3.

[0031] As shown in Figure 2 , Figure 5 , the side of the baffle 2 is provided with an annular groove corresponding to the transmission tooth ring 4, and the outer wall of the transmission tooth ring 4 is provided with a plurality of inclined teeth, and the transmission tooth ring 4 is engagedly connected with a plurality of extrusion tooth rings 301 through the teeth on the outer wall. The end of the connecting bolt 3 close to the arc-shaped groove 201 is threadedly connected with the extrusion tooth ring 301 and the nut 302, so that the extrusion tooth ring 301 can be engagedly connected with the corresponding transmission tooth ring 4, and then the nut 302 can be conveniently rotated during fixing, so that the nut 302 drives the extrusion tooth ring 301 to rotate, and then the extrusion tooth ring 301 drives the transmission tooth ring 4 to rotate, so that the transmission tooth ring 4 drives the remaining extrusion tooth rings 301 to rotate, thereby realizing the synchronous extrusion of the baffle 2 by the connecting bolt 3.

[0032] As shown in Figure 1 , Figure 2 , the center plate 1 is provided with a mounting pipe 101 at the center of each side, and the mounting pipe 101 is fixedly connected with the baffle 2. The arc-shaped grooves 201 in the baffle 2 on both sides of the center plate 1 are staggered, so that the center plate 1 is fixedly connected with the baffle 2 on both sides, and the center plate 1 is connected with the baffle 2 on both sides. The arc-shaped grooves 201 on the side walls of the two baffles 2 do not correspond to each other, so that a plurality of connecting bolts 3 are installed in the center plate 1, and one end of the connecting bolt 3 is clamped with the side wall of the baffle 2.

[0033] In use, the two sides of the center plate 1 can be conveniently connected with the baffle 2, and the arc-shaped grooves 201 on the edges of the two baffles 2 are staggered, so that a plurality of connecting bolts 3 are installed through the center plate 1, one end of the connecting bolt 3 is clamped with the side wall of the baffle 2, and then the end of the connecting bolt 3 close to the arc-shaped groove 201 is threadedly connected with the extrusion tooth ring 301 and the nut 302, so that the extrusion tooth ring 301 can be meshed with the corresponding transmission tooth ring 4, and then the nut 302 can be conveniently rotated during fixing, so that the nut 302 drives the extrusion tooth ring 301 to rotate, and then the extrusion tooth ring 301 drives the transmission tooth ring 4 to rotate, so that the transmission tooth ring 4 drives the remaining extrusion tooth rings 301 to rotate, and the connecting bolt 3 can synchronously extrude the baffle 2, so that the baffle 2 can be closely attached to the center plate 1, and the baffle 2 can be prevented from being unevenly extruded, and the baffle 2 can be fixed tightly.

[0034] When the nut 302 is rotated, the extrusion tooth ring 301 can be driven to rotate, and since the outer wall of the extrusion tooth ring 301 is provided with inclined teeth, and the extrusion tooth ring 301 is meshed with one end of the extrusion block 5 to form a ratchet structure, the extrusion block 5 can be pushed to move reversely when the extrusion tooth ring 301 rotates to one side, and the spring sheet 501 on one side of the extrusion block 5 can continuously push the extrusion block 5 to rebound, so that the extrusion block 5 is closely attached to the extrusion tooth ring 301, and the extrusion block 5 can effectively block the reverse rotation of the extrusion tooth ring 301, so that the connection of the connecting bolt 3 can be prevented from being loose, and since the transmission tooth ring 4 is meshed with the plurality of extrusion tooth rings 301, the transmission tooth ring 4 can synchronously block the reverse movement of the plurality of extrusion tooth rings 301, so that manual adjustment for fixing is not needed, and the operation is more convenient.

[0035] The above only describes some exemplary embodiments of the present application by way of illustration, and it is needless to say that those skilled in the art can modify the described embodiments in various ways without departing from the spirit and scope of the present application. Therefore, the above drawings and description are illustrative in nature and should not be understood as limiting the scope of protection of the claims of the present application.

Claims

1. A radial positioning device for a diaphragm coupling, comprising a center plate (1), characterized in that: Both sides of the central plate (1) are provided with baffles (2), and multiple connecting bolts (3) are arranged around the interior of the central plate (1). A transmission gear ring (4) is rotatably connected at the center of the side of the baffle (2) away from the central plate (1). An extrusion block (5) is slidably connected to the side of the baffle (2) close to the connecting bolts (3). The outer wall of the baffle (2) near the end of the connecting bolt (3) is provided with a plurality of arc-shaped grooves (201), and the inner side of the baffle (2) near the arc-shaped grooves (201) is provided with a sliding groove (202) corresponding to the extrusion block (5); The connecting bolt (3) is threaded with a compression toothed ring (301) at one end near the arc groove (201), and a nut (302) is fixedly connected to the other end of the compression toothed ring (301) away from the center plate (1). The extrusion toothed ring (301) is attached to the side of the center plate (1), and one outer wall of the extrusion toothed ring (301) is engaged with the transmission toothed ring (4).

2. The radial positioning device for a diaphragm coupling according to claim 1, characterized in that: The side wall of the baffle (2) has a through hole corresponding to the connecting bolt (3), and the side wall of the baffle (2) has a groove that is engaged with one end of the connecting bolt (3).

3. The radial positioning device for a diaphragm coupling according to claim 1, characterized in that: The outer wall of the extrusion block (5) is slidably connected to the inside of the sliding groove (202). A spring plate (501) is fixedly connected to one end of the extrusion block (5) near the inside of the sliding groove (202), and the end of the spring plate (501) away from the extrusion block (5) is fixedly connected to the inside of the sliding groove (202).

4. The radial positioning device for a diaphragm coupling according to claim 1, characterized in that: The teeth on the outer wall of the extrusion ring (301) are inclined to one side, and the extrusion block (5) is provided with teeth that are engaged with the extrusion ring (301) on the side close to the extrusion ring (301). The extrusion ring (301) and the extrusion block (5) are connected to form a ratchet structure.

5. A radial positioning device for a diaphragm coupling according to claim 1, characterized in that: The side of the baffle (2) is provided with an annular groove corresponding to the transmission gear ring (4). The outer wall of the transmission gear ring (4) is surrounded by multiple inclined teeth, and the transmission gear ring (4) is engaged with multiple extrusion gear rings (301) through the teeth on the outer wall.

6. A radial positioning device for a diaphragm coupling according to claim 1, characterized in that: The center plate (1) has an installation tube (101) at the center of both sides. The installation tube (101) is fixedly connected to the baffle (2). The arc grooves (201) on the side walls of the two baffles (2) are not in the same position.

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