CN210787789U

CN210787789U - Bag pulling connecting structure for centrifuge

Info

Publication number: CN210787789U
Application number: CN201921355535.5U
Authority: CN
Inventors: 谢美芬
Original assignee: Individual
Current assignee: Individual
Priority date: 2019-08-21
Filing date: 2019-08-21
Publication date: 2020-06-19
Anticipated expiration: 2029-08-21

Abstract

The utility model discloses a bag-pulling connecting structure for a centrifuge, in particular to the field of centrifuge equipment, which comprises a pull rod shaft and a rotary joint, wherein the bottom of the pull rod shaft is fixedly connected with a connecting shaft, the surface of the connecting shaft is provided with an annular clamping groove, and the bottom of the connecting shaft is fixedly connected with a driving rod; the inside of rotary joint is equipped with connects the rotation axis, connect the rotation axis and rotate with rotary joint's inner wall and be connected, the fixed surface who connects the rotation axis is connected with the fixing base. The utility model discloses an at the surperficial nut that rotates from top to bottom of screw thread arc pipe to cooperation activity arc pipe uses the articulated shaft to rotate as the pivot can realize being convenient for to equipment and dismantlement between connecting axle and the joint rotation axis, and the pull rod axle can transmit the rotation through the actuating lever when rotating for a long time, can not produce torsion to the nut, makes the condition that the nut pine fell can not take place for this equipment when using, thereby reaches convenient to use's purpose.

Description

Bag pulling connecting structure for centrifuge

Technical Field

The utility model relates to a centrifuge equipment field, more specifically says, the utility model relates to a centrifuge is with drawing bag connection structure.

Background

The filter bag is installed in the rotary drum of the bag-pulling type centrifuge according to the working principle, after work is completed, the filter bag attached to the inner wall of the rotary drum originally is straightened by the bag-pulling mechanism, materials bonded to the filter bag are loosened and fall through the elasticity of the filter bag, the materials of the centrifuge can be discharged completely and cannot be bonded in the rotary drum, and therefore the maximum amount of the materials of the centrifuge at each time is larger than that of other centrifuges, and meanwhile, the materials are not accumulated, so that the filtering performance is greatly improved. The lower end of a pull rod shaft of the existing bag pulling structure is directly assembled in a rotary joint, the pull rod shaft is installed firstly, and then the rotary joint is installed, wherein the pull rod shaft has a certain sequence during installation. Due to the space problem, the installation and the disassembly are difficult, and the repeated disassembly can cause the damage of the matching surface of the bearing of the pull rod shaft, the inner circle of the bearing runs, and the rotary joint is damaged.

Chinese patent of patent application publication No. CN201820786181.9 discloses a centrifuge is with drawing a bag connection structure and centrifuge, including the tie rod axle lower extreme be equipped with from the cavity that holds that the bottom upwards extends, rotary joint is located the tie rod axle below, and the inside cavity that runs through that extends to the bottom from the top that is equipped with of rotary joint, connects the rotation axis upper end to stretch into hold the intracavity with hold intracavity wall screw-thread fit, connect the rotation axis lower extreme and pass through the bearing and install at the rotary joint middle part, connect the rotation axis bottom and be equipped with the mounting hole, compress tightly fastener one end and support and lean on gland and the other end pass the opening with mounting hole screw-thread fit. Through the centrifuge of above-mentioned optimal design draws a bag connection structure, the inside joint rotation axis that increases of rotary joint, through joint rotation axis and pull rod threaded connection, only need during installation, dismantlement with connect the rotation axis from the pull rod axle screw or screw out can, the convenient dismantlement problem in assembly and the maintenance of having solved.

However, when the device is actually used, the pull rod shaft and the joint rotating shaft are fixed only in a threaded connection mode, so that when the device works for a long time, threads are easy to fall off at the threaded connection part, the pull rod shaft and the joint rotating shaft are accidentally separated, the device is damaged, and the device is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

In order to overcome the above-mentioned defect of prior art, the embodiment of the utility model provides a centrifuge is with drawing bag connection structure, through the nut that rotates from top to bottom at the surface at the screw thread arc tube, and cooperation activity arc tube uses the articulated shaft to rotate as the pivot can realize being convenient for to equipment and dismantlement between connecting axle and the joint rotation axis, and the draw bar axle when rotating for a long time, can transmit the rotation through the actuating lever, can not produce torsion to the nut, make the equipment can not take place the condition that the nut loosens when using, thereby reach the purpose of convenient to use, in order to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a bag pulling connecting structure for a centrifuge comprises a pull rod shaft and a rotary joint, wherein the bottom of the pull rod shaft is fixedly connected with a connecting shaft, the surface of the connecting shaft is provided with an annular clamping groove, and the bottom of the connecting shaft is fixedly connected with a driving rod;

the inside of rotary joint is equipped with the joint rotation axis, the joint rotation axis rotates with rotary joint's inner wall to be connected, the fixed surface of joint rotation axis is connected with the fixing base, the top fixedly connected with location arc piece on fixing base surface, the top fixedly connected with screw thread arc pipe of location arc piece, the top on fixing base surface is equipped with the articulated shaft, the surface of articulated shaft is articulated with the top on fixing base surface, the surface of articulated shaft articulates there is movable arc pipe, the equal swing joint in surface of screw thread arc pipe and activity arc pipe has the nut, the top fixedly connected with arc fixture block of activity arc pipe inner wall.

In a preferred embodiment, a convex ring is fixedly connected to the surface of the connecting shaft, the convex ring is located below the annular clamping groove, an annular groove is formed in the inner wall of the movable arc-shaped pipe, and the width of the annular groove is equal to the diameter of the convex ring.

In a preferred embodiment, the number of the positioning arc-shaped blocks and the number of the threaded arc-shaped pipes are two, and the positioning arc-shaped blocks and the hinge shafts are arranged on the top of the surface of the fixed seat in a mutually staggered mode.

In a preferred embodiment, the positioning arc block has a diameter of a circle larger than a diameter of a circle on which the threaded arc pipe is located, and the threaded arc pipe has a diameter of a circle larger than a diameter of a circle on which the movable arc pipe is located.

In a preferred embodiment, a surface of the threaded arc tube is provided with a thread groove, and the surface of the thread groove is threadedly coupled with an inner wall of the nut.

In a preferred embodiment, the diameter of the circle where the fixing seat is located and the diameter of the pull rod shaft are both larger than the inner diameter of the nut, the size of the arc-shaped clamping block is equal to the size of the annular clamping groove, the arc-shaped clamping block and the annular clamping groove are both obliquely arranged, and the oblique angles of the arc-shaped clamping block and the annular clamping groove are equal.

In a preferred embodiment, a driving rod is fixedly connected to the bottom of the connecting shaft, a driving groove is formed in the joint rotating shaft corresponding to the top of the driving rod, a damping spring is fixedly connected to the top of the joint rotating shaft, the damping spring is movably sleeved on the surface of the driving rod, and one end, far away from the joint rotating shaft, of the damping spring is movably connected to the bottom of the connecting shaft.

In a preferred embodiment, the driving rod and the driving groove are both in a diamond structure, and the size of the driving rod is equal to that of the driving groove, and the driving rod is located right above the driving groove.

The utility model discloses a technological effect and advantage:

1. the nut is vertically rotated on the surface of the threaded arc-shaped pipe, and the movable arc-shaped pipe is matched to rotate by taking the hinge shaft as a rotating shaft, so that the assembly and disassembly between the connecting shaft and the joint rotating shaft can be conveniently realized, and the pull rod shaft can transmit rotation through the driving rod when rotating for a long time, and torsion cannot be generated on the nut, so that the nut can not be loosened when the equipment is used, and the purpose of convenience in use is achieved;

2. through the inside of actuating lever grafting in the drive groove, when the pull rod axle rotated, the pull rod axle can will rotate and transmit to actuating lever department through the connecting axle, and the actuating lever cooperatees with the drive groove for the actuating lever can drive the joint rotation axis through the drive groove and rotate, thereby reaches the purpose of the transmission of being convenient for of rotation, compares with prior art, can not cause the influence to the rotation of equipment.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is an overall structure front view of the present invention.

Fig. 3 is a partial front sectional view of the overall structure of the present invention.

Fig. 4 is a sectional view of the fixing base structure of the present invention.

Fig. 5 is a schematic view of the movable arc-shaped tube structure of the present invention.

Fig. 6 is a schematic view of the structure of the joint rotating shaft of the present invention.

The reference signs are: 1. a pull rod shaft; 2. a rotary joint; 3. a connecting shaft; 4. an annular neck; 5. a convex ring; 6. a drive rod; 7. a joint rotation shaft; 8. a fixed seat; 9. positioning the arc-shaped block; 10. a threaded arced tube; 11. hinging a shaft; 12. a movable arc-shaped tube; 13. a nut; 14. an annular groove; 15. an arc-shaped fixture block; 16. a drive slot; 17. a damping spring.

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.

As shown in fig. 1-6, the utility model provides a bag-pulling connection structure for a centrifuge, which comprises a pull rod shaft 1 and a rotary joint 2, wherein the bottom of the pull rod shaft 1 is fixedly connected with a connecting shaft 3, the surface of the connecting shaft 3 is provided with an annular clamping groove 4, and the bottom of the connecting shaft 3 is fixedly connected with a driving rod 6;

a joint rotating shaft 7 is arranged inside the rotary joint 2, the joint rotating shaft 7 is rotatably connected with the inner wall of the rotary joint 2, a fixed seat 8 is fixedly connected with the surface of the joint rotating shaft 7, a positioning arc block 9 is fixedly connected with the top of the surface of the fixed seat 8, a threaded arc pipe 10 is fixedly connected with the top of the positioning arc block 9, an articulated shaft 11 is arranged on the top of the surface of the fixed seat 8, the surface of the articulated shaft 11 is articulated with the top of the surface of the fixed seat 8, a movable arc pipe 12 is articulated with the surface of the articulated shaft 11, nuts 13 are movably connected with the surfaces of the threaded arc pipe 10 and the movable arc pipe 12, and an arc clamping block 15 is fixedly connected with the top of the inner wall of;

a convex ring 5 is fixedly connected to the surface of the connecting shaft 3, the convex ring 5 is positioned below the annular clamping groove 4, an annular groove 14 is formed in the inner wall of the movable arc-shaped pipe 12, and the width of the annular groove 14 is equal to the diameter of the convex ring 5;

the number of the positioning arc-shaped blocks 9 and the number of the threaded arc-shaped pipes 10 are two, and the positioning arc-shaped blocks 9 and the hinging shafts 11 are arranged on the top of the surface of the fixed seat 8 in a mutually staggered manner;

the diameter of the circle where the positioning arc-shaped block 9 is located is larger than that of the circle where the threaded arc-shaped pipe 10 is located, and the diameter of the circle where the threaded arc-shaped pipe 10 is located is larger than that of the circle where the movable arc-shaped pipe 12 is located;

the surface of the threaded arc-shaped pipe 10 is provided with a thread groove, and the surface of the thread groove is in threaded connection with the inner wall of the nut 13;

the diameter of the circle where the fixed seat 8 is located and the diameter of the pull rod shaft 1 are both larger than the inner diameter of the nut 13, the size of the arc-shaped clamping block 15 is equal to that of the annular clamping groove 4, the arc-shaped clamping block 15 and the annular clamping groove 4 are both obliquely arranged, and the oblique angles of the arc-shaped clamping block 15 and the annular clamping groove 4 are equal;

the bottom of the connecting shaft 3 is fixedly connected with a driving rod 6, a driving groove 16 is formed in the joint rotating shaft 7 corresponding to the top of the driving rod 6, a damping spring 17 is fixedly connected to the top of the joint rotating shaft 7, the damping spring 17 is movably sleeved on the surface of the driving rod 6, and one end, far away from the joint rotating shaft 7, of the damping spring 17 is movably connected with the bottom of the connecting shaft 3;

the driving rod 6 and the driving groove 16 are both in a diamond structure, the size of the driving rod 6 is equal to that of the driving groove 16, and the driving rod 6 is located right above the driving groove 16.

The implementation mode is specifically as follows: when the connector is installed, the rotary joint 2 is moved upwards, the driving rod 6 enters the driving groove 16 until the arc-shaped clamping block 15 moves to the position of the annular clamping groove 4 on the surface of the connecting shaft 3, the movable arc-shaped pipe 12 is rotated by taking the articulated shaft 11 as a rotating shaft, the arc-shaped clamping block 15 enters the inner wall of the annular clamping groove 4, at the moment, the upward movement of the rotary joint 2 is stopped, the connecting shaft 3 is separated from the movable arc-shaped pipe 12 and the inner part of the threaded arc-shaped pipe 10 under the action of the damping spring 17, the connecting shaft 3 cannot be separated from the inner wall of the movable arc-shaped pipe 12 under the vertical state of the movable arc-shaped pipe 12 through the arc-shaped clamping block 15 matched with the annular clamping groove 4, at the moment, the nut 13 is rotated on the surface of the threaded arc-shaped pipe 10, and the nut 13 is moved upwards on the surface of the threaded, thereby fixing the movable arc-shaped pipe 12 through the nut 13, preventing the movable arc-shaped pipe 12 from rotating, and keeping the movable arc-shaped pipe 12 in a vertical state all the time, so that the connecting shaft 3 is stably fixed inside the movable arc tube 12 and the threaded arc tube 10, thereby achieving the purpose of installation, when in need of disassembly, the nut 13 is rotated to move downwards on the surface of the thread arc-shaped pipe 10, the movable arc-shaped pipe 12 is rotated to separate the arc-shaped clamping block 15 from the inner wall of the annular clamping groove 4, under the action of the damping spring 17, the connecting shaft 3 is separated from the joint rotating shaft 7, so that the purpose of disassembly is fulfilled, and when the pull rod shaft 1 rotates for a long time, the rotation is transmitted through the driving rod 6, torsion cannot be generated on the nut 13, so that the nut 13 cannot be loosened when the equipment is used, and the embodiment specifically solves the problem of inconvenience in use in the prior art;

by fixing the coupling shaft 3 to the inner walls of the movable arc tube 12 and the threaded arc tube 10, at this time, the convex ring 5 is positioned on the inner wall of the annular groove 14, thereby better fixing the connecting shaft 3, preventing the connecting shaft 3 from shaking in the movable arc-shaped pipe 12 and the thread arc-shaped pipe 10 to cause inconvenient use, and the driving rod 6 and the driving groove 16 are both in a diamond structure, the size of the driving rod 6 is equal to that of the driving groove 16, so that when the connecting shaft 3 is fixed with the joint rotating shaft 7, the driving rod 6 is inserted into the driving groove 16, when the pull rod shaft 1 rotates, the pull rod shaft 1 transmits the rotation to the driving rod 6 through the connecting shaft 3, and the driving rod 6 is matched with the driving groove 16, so that the driving rod 6 can drive the joint rotating shaft 7 to rotate through the driving groove 16, therefore, the purpose of lossless transmission of rotation is achieved, and the embodiment specifically solves the problem that rotation is inconvenient to transmit in the prior art.

The utility model discloses the theory of operation:

referring to the attached drawings 1-6 of the specification, the nut 13 is vertically rotated on the surface of the threaded arc-shaped pipe 10, and the movable arc-shaped pipe 12 is matched to rotate by taking the hinge shaft 11 as a rotating shaft, so that the assembly and disassembly between the connecting shaft 3 and the joint rotating shaft 7 can be conveniently realized, and the pull rod shaft 1 can transmit rotation through the driving rod 6 when rotating for a long time, and the nut 13 cannot be twisted, so that the nut 13 cannot be loosened when the equipment is used, and the purpose of convenient use is achieved;

referring to fig. 1-6 of the specification, the driving rod 6 is inserted into the driving groove 16, when the pull rod shaft 1 rotates, the rotation of the pull rod shaft 1 is transmitted to the driving rod 6 through the connecting shaft 3, and the driving rod 6 is matched with the driving groove 16, so that the driving rod 6 can drive the joint rotating shaft 7 to rotate through the driving groove 16, and the purpose of facilitating the transmission of the rotation is achieved.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a centrifuge is with drawing bag connection structure, includes pull rod axle (1) and rotary joint (2), its characterized in that: the bottom of the pull rod shaft (1) is fixedly connected with a connecting shaft (3), an annular clamping groove (4) is formed in the surface of the connecting shaft (3), and the bottom of the connecting shaft (3) is fixedly connected with a driving rod (6);

a joint rotating shaft (7) is arranged in the rotating joint (2), the joint rotating shaft (7) is rotatably connected with the inner wall of the rotating joint (2), the surface of the joint rotating shaft (7) is fixedly connected with a fixed seat (8), the top of the surface of the fixed seat (8) is fixedly connected with a positioning arc-shaped block (9), the top of the positioning arc block (9) is fixedly connected with a thread arc pipe (10), the top of the surface of the fixed seat (8) is provided with a hinged shaft (11), the surface of the hinged shaft (11) is hinged with the top of the surface of the fixed seat (8), the surface of the articulated shaft (11) is articulated with a movable arc-shaped pipe (12), the surfaces of the thread arc-shaped pipe (10) and the movable arc-shaped pipe (12) are movably connected with nuts (13), the top of the inner wall of the movable arc-shaped pipe (12) is fixedly connected with an arc-shaped clamping block (15).

2. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: the surface of the connecting shaft (3) is fixedly connected with a convex ring (5), the convex ring (5) is located below the annular clamping groove (4), an annular groove (14) is formed in the inner wall of the movable arc-shaped pipe (12), and the width of the annular groove (14) is equal to the diameter of the convex ring (5).

3. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: the number of the positioning arc-shaped blocks (9) and the number of the thread arc-shaped pipes (10) are two, and the positioning arc-shaped blocks (9) and the hinging shafts (11) are mutually staggered at the top of the surface of the fixed seat (8).

4. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: the diameter of the circle where the positioning arc-shaped block (9) is located is larger than that of the circle where the threaded arc-shaped pipe (10) is located, and the diameter of the circle where the threaded arc-shaped pipe (10) is located is larger than that of the circle where the movable arc-shaped pipe (12) is located.

5. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: the surface of the threaded arc-shaped pipe (10) is provided with a thread groove, and the surface of the thread groove is in threaded connection with the inner wall of the nut (13).

6. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: the diameter of the circle where the fixing seat (8) is located and the diameter of the pull rod shaft (1) are larger than the inner diameter of the nut (13), the size of the arc-shaped clamping block (15) is equal to that of the annular clamping groove (4), the arc-shaped clamping block (15) and the annular clamping groove (4) are arranged in an inclined mode, and the inclined angles of the arc-shaped clamping block (15) and the annular clamping groove (4) are equal.

7. The drawing bag connecting structure for a centrifuge according to claim 1, characterized in that: connect the top of corresponding actuating lever (6) of rotation axis (7) and seted up drive groove (16), the top fixedly connected with damping spring (17) that connects rotation axis (7), and damping spring (17) activity cup joints the surface at actuating lever (6), the one end that connects rotation axis (7) is kept away from in damping spring (17) and the bottom swing joint of connecting axle (3).

8. The draw bag connection structure for a centrifuge according to claim 7, characterized in that: the driving rod (6) and the driving groove (16) are of a diamond structure, the size of the driving rod (6) is equal to that of the driving groove (16), and the driving rod (6) is located right above the driving groove (16).