阅读说明：本技术 剖分式套筒联轴器 (Split sleeve coupling ) 是由 李春林 余樊 张先鑫 于 2019-10-31 设计创作，主要内容包括：一种剖分式套筒联轴器,其特征在于：包括套筒、弹簧、卡闩和减震块,套筒包括沿该联轴器中心轴线左右镜像对称设置的左半圆柱套筒与右半圆柱套筒；该左半圆柱套筒和右半圆柱套筒的上下两个侧壁各有一条梯形卡槽和梯形卡条；该左半圆柱套筒和该右半圆柱套筒通过相嵌合的梯形卡槽与梯形卡条连接；该左半圆柱套筒沿内壁周向排布有若干个用于安装所述弹簧和卡闩的圆孔槽；弹簧安装在圆孔槽底壁与卡闩之间；在套筒连接两根轴时,两根轴上有周向排列的孔槽,与套筒上卡闩位置相对应,卡闩插入轴上的孔槽,固定两根轴；两根轴的端部位于套筒中,在两端中间安置一个减震块；本发明由多个零部件组成,现场组装便捷,维护方便。(Split type sleeve coupling is characterized by comprising a sleeve, a spring, a latch and a shock absorption block, wherein the sleeve comprises a left semi-cylindrical sleeve and a right semi-cylindrical sleeve which are arranged in a left-right mirror symmetry mode along the central axis of the coupling, the upper side wall and the lower side wall of the left semi-cylindrical sleeve and the right semi-cylindrical sleeve are respectively provided with trapezoidal clamping grooves and trapezoidal clamping strips, the left semi-cylindrical sleeve and the right semi-cylindrical sleeve are connected with the trapezoidal clamping strips through the trapezoidal clamping grooves which are embedded with each other, a plurality of circular hole grooves used for installing the spring and the latch are circumferentially arranged on the inner wall of the left semi-cylindrical sleeve, the spring is installed between the bottom wall of the circular hole groove and the latch, when the sleeve is connected with the two shafts, the two shafts are provided with circumferentially arranged hole grooves which correspond to the positions of the latches on the sleeve, the latches are inserted into the hole grooves on the shafts to fix the two shafts, the end portions of the two shafts are located in the sleeve, and shock absorption blocks are arranged in the middle of the two ends.)

The split sleeve coupling is characterized by comprising a sleeve (1), a spring (2), a clamping bolt (3) and a damping block (4), wherein the sleeve comprises a left semi-cylindrical sleeve (11) and a right semi-cylindrical sleeve (12) which are arranged in a left-right mirror symmetry mode along the central axis of the coupling, trapezoidal clamping grooves (5) and trapezoidal clamping strips (6) are respectively arranged on the upper side wall and the lower side wall of the left semi-cylindrical sleeve and the right semi-cylindrical sleeve, the left semi-cylindrical sleeve and the right semi-cylindrical sleeve are connected with the trapezoidal clamping strips through the trapezoidal clamping grooves which are embedded with each other, a plurality of circular hole grooves (7) used for installing the spring and the clamping bolt are circumferentially distributed on the inner wall of the left semi-cylindrical sleeve, the spring is installed between the bottom wall of the circular hole grooves and the clamping bolt, when the sleeve is connected with the two shafts, the two shafts are provided with circumferentially arranged hole grooves which correspond to the positions of the clamping bolt on the sleeve, the clamping bolt is inserted into the hole grooves on the shafts to fix the two shafts, the end parts of the two shafts are located in the in the middle of the sleeve, and the damping block is.

2. The split sleeve coupling as claimed in claim 1, wherein the left semi-cylindrical sleeve has trapezoidal grooves on its upper side wall with a radial cross section larger than the upper bottom, and trapezoidal grooves on its lower side wall with a radial cross section larger than the upper bottom, and the trapezoidal grooves are engaged with the trapezoidal grooves.

3. The split sleeve coupling of claim 1, wherein said left semi-cylindrical sleeve has 3 circular holes arranged circumferentially along each end of the inner wall, each of said circular holes is formed by two coaxial cylindrical holes, and the diameter of the outer cylindrical hole of each of said circular holes is not smaller than the diameter of said latch, and springs are received in the inner cylindrical hole of each of said circular holes.

4. The split sleeve coupling of claim 1, wherein: the main body of the clamping bolt is a cylinder, and the free end of the clamping bolt is in a semi-arc shape; the clamping bolt is arranged in the circular hole groove, the bottom end of the clamping bolt is connected with the spring, the free end of the clamping bolt protrudes out of the circular hole groove, and the cambered surface of the free end is opposite to the direction in which the shaft is inserted.

5. The split sleeve coupling as claimed in claim 1, wherein the slot wall of the circular slot is extended radially outward to form symmetrical limit slots (71), the bottom end of the latch has limit rods (31), when the latch is inserted into the circular slot, the limit rods are inserted into the limit slots, and when the latch is inserted into the slot bottom of the circular slot, the latch is rotated to disengage the limit rods from the limit slots and is locked in the inner cylindrical hole of the circular slot.

6. The split sleeve coupling of claim 5, wherein: the diameter of the cylindrical hole in the circular hole groove is larger than or equal to the length of the limiting rod.

7. The split sleeve coupling of claim 5, wherein said latch bottom end extends downward to form truncated cone segments tapering radially from top to bottom, and said truncated cone segments are sleeved in said spring.

8. The split sleeve coupling as claimed in claim 1, wherein the damping block has damping bodies and plug sections extending axially outward along both ends of the damping bodies, the body section is located between the two damping bodies, and the plug section has a diameter smaller than that of the body section and is inserted into the shaft.

9. The split sleeve coupling of claim 8, wherein: the shock absorption block is an elastic body shock absorption block made of rubber materials.

Technical Field

The invention belongs to the field of mechanical equipment, particularly relates to the technical field of couplers, and particularly relates to couplers convenient for connection with a shaft.

Background

The sleeve coupling uses a common sleeve and realizes the connection of two shafts through rigid connecting pieces such as screws or taper pins. But because the buffer and vibration damping function is not provided, the axial alignment of the two shafts is required to be good, and the manufacturing requirement is high. The common sleeve coupling is inconvenient to assemble and disassemble, a shaft needs to move axially, axial limiting measures are not arranged at two ends of the coupling, and axial movement caused by poor installation or manufacturing precision cannot be avoided. Therefore, the existing coupling is difficult to manufacture and install and high in use and maintenance cost; and the coupler with a simpler structure can not well ensure that the two shafts to be installed are coaxial or have no axial damping structure.

Disclosure of Invention

The invention mainly solves the technical problem of providing split sleeve couplings, fixing two shafts by using springs and latches without fixing parts such as screws and the like, and being convenient and fast to assemble on site.

technical schemes adopted by the invention include a sleeve, a spring, a clamping bolt and a damping block, wherein the sleeve comprises a left semi-cylindrical sleeve and a right semi-cylindrical sleeve which are arranged in a left-right mirror symmetry mode along the central axis of the coupler, trapezoidal clamping grooves and trapezoidal clamping strips are respectively arranged on the upper side wall and the lower side wall of the left semi-cylindrical sleeve and the right semi-cylindrical sleeve, the left semi-cylindrical sleeve and the right semi-cylindrical sleeve are connected with the trapezoidal clamping strips through the trapezoidal clamping grooves which are embedded, a plurality of circular hole grooves used for installing the spring and the clamping bolt are circumferentially distributed on the inner wall of the left semi-cylindrical sleeve, the spring is installed between the bottom wall of the circular hole grooves and the clamping bolt, when the sleeve is connected with the two shafts, the two shafts are provided with circumferentially arranged hole grooves which correspond to the positions of the clamping bolt on the sleeve, the clamping bolt is inserted into the hole grooves on the shafts to fix the two shafts, the end parts of the two shafts are positioned in the sleeve, and damping blocks are arranged between the two ends.

The technical scheme adopted by the invention for solving the technical problem is , and the technical scheme is that trapezoidal clamping grooves with radial sections of which the bottoms are larger than the upper bottom are arranged on the upper side wall of the left semi-cylindrical sleeve, trapezoidal clamping strips with radial sections of which the bottoms are larger than the upper bottom are arranged on the lower side wall of the left semi-cylindrical sleeve, and the trapezoidal clamping strips are clamped in the trapezoidal clamping grooves.

, the left semi-cylindrical sleeve has 3 circular holes arranged circumferentially along two ends of the inner wall, each circular hole is composed of an inner cylindrical hole and an outer cylindrical hole, the diameter of the outer cylindrical hole of each circular hole is not less than that of the latch, and springs are placed in the inner cylindrical hole of each circular hole.

the main body of the latch is a cylinder and the free end of the latch is semi-arc, the latch is arranged in the circular hole groove and the bottom end of the latch is connected with the spring, the free end of the latch protrudes out of the circular hole groove, the arc surface of the free end is opposite to the insertion direction of the shaft.

, symmetrical limiting grooves radially extend outwards from the wall of the circular hole groove, limiting rods are arranged at the bottom end of the latch, when the latch is inserted into the circular hole groove, the limiting rods are inserted into the limiting grooves, and when the latch is inserted to the bottom of the circular hole groove, the latch is rotated to enable the limiting rods to be separated from the limiting grooves and be clamped in the inner cylindrical hole of the circular hole groove.

, the diameter of the cylindrical hole in the circular hole groove is greater than or equal to the length of the limiting rod.

, the bottom end of the latch extends downward to form circular truncated cone section which tapers radially from top to bottom, and the circular truncated cone end is sleeved in the spring.

the damping block has a main damping body and an inserting section extending axially outwards from both ends of the main damping body, the main section is located between the main bodies, and the diameter of the inserting section is smaller than that of the main section and is inserted into the shaft.

, the damper block is an elastomeric damper block formed of a rubber material.

The invention has the following beneficial effects:

1. the split sleeve coupling assembly comprises four simple assemblies, namely a sleeve, a spring, a clamping bolt and a damping block, and is convenient to manufacture and maintain.

2. The sleeve is connected with the positioning slide bar through the guide sliding groove by the two semi-cylindrical sleeves, and the sleeve is not fixed by screws and other parts, so that the whole sleeve is more stable and stable.

3. The sleeve and the shaft are assembled into the coupler through the spring and the clamping bolt, the installation is simple, and the clamping bolt plays a role in fixing the coupler, so that the coupler is prevented from moving axially, and is safer and more stable. And the spring at the bottom of the latch provides a buffer function for the shaft in motion, so that the motion abrasion is reduced, and the service life of the coupler is prolonged.

4. The shock absorption block in the middle of the coupler also buffers the abrasion of relative motion of the two shafts, so that the service life of the shafts is prolonged, and the safety and the stability of the whole coupler are improved.

Drawings

Fig. 1 is a schematic view of the coupling of the present invention in connection with a shaft.

Fig. 2 is a sectional view taken along line a-a in fig. 1.

Fig. 3 is a schematic end view of a sleeve of the present invention.

Fig. 4 is a sectional view taken along line B-B in fig. 3.

Fig. 5 is a front elevational view of the latch and spring arrangement of the present invention.

FIG. 6 is a structural side view of the latch and spring; the direction indicated by the arrow is the shaft insertion direction.

FIG. 7 is a top view of the latch.

FIG. 8 is a schematic cross-sectional view of the structure of the sleeve of the present invention.

Figure 9 is a side view of the damper block of the present invention.

Figure 10 is a top view of the damper block of the present invention.

Figure 11 is a front view of the damper block of the present invention.

The parts in the drawings are marked as follows:

sleeve 1, left semicircle column sleeve 11, right semicircle column sleeve 12, spring 2, card bolt 3, gag lever post 31, snubber block 4, trapezoidal draw-in groove 5, trapezoidal card strip 6, round hole groove 7, spacing groove 71.

Detailed Description

The following detailed description of the preferred embodiments of the present invention, taken in conjunction with the accompanying drawings, will make the advantages and features of the invention easier to understand by those skilled in the art, and thus will clearly and clearly define the scope of the invention.

In the embodiment, split sleeve couplings are shown in fig. 1-10, split sleeve couplings are characterized by comprising a sleeve 1, a spring 2, a clamping bolt 3 and a damping block 4, wherein the sleeve comprises a left semi-cylindrical sleeve 11 and a right semi-cylindrical sleeve 12 which are arranged in a left-right mirror symmetry mode along the central axis of the coupling, trapezoidal clamping grooves 5 and trapezoidal clamping strips 6 are respectively arranged on the upper side wall and the lower side wall of the left semi-cylindrical sleeve 11 and the right semi-cylindrical sleeve 12, the left semi-cylindrical sleeve 11 and the right semi-cylindrical sleeve 12 are connected with the trapezoidal clamping strips 6 through the trapezoidal clamping grooves 5 which are embedded with each other, a plurality of circular hole grooves 7 used for installing the spring and the clamping bolt are circumferentially distributed on the inner wall of the left semi-cylindrical sleeve 11, the spring 2 is installed between the bottom wall of the circular hole grooves 7 and the clamping bolt 3, when the sleeve is connected with two shafts, the two shafts are provided with circumferentially arranged hole grooves corresponding to the position of the clamping bolt 3 on the sleeve, the clamping bolt 3 is inserted into the hole grooves on the shafts, the two shafts are fixed, and the two ends of the sleeve are arranged in the middle ends of the two shafts, and 364 of the sleeve.

The lateral wall has radial trapezoidal draw-in grooves 5 that are less than the upper base in the bottom of being of radially being on the left side semicircle column sleeve 11, and the lateral wall has radial cross-sections to be less than the trapezoidal draw-in groove 6 of upper base in the bottom, and this trapezoidal draw-in groove 6 card is located in trapezoidal draw-in groove 5.

The left semi-cylindrical sleeve 11 is provided with 3 circular hole grooves 7 which are arranged circumferentially along two ends of the inner wall, each circular hole groove 7 is composed of an inner cylindrical hole and an outer cylindrical hole which are coaxial, the diameter of the outer cylindrical hole of each circular hole groove 7 is not smaller than that of the latch 3, and springs 2 are placed in the inner cylindrical hole of each circular hole groove 7.

The main body of the clamping bolt 3 is a cylinder, and the free end of the clamping bolt 3 is in a semi-arc shape; the clamping bolt 3 is arranged in the circular hole groove 7, the bottom end of the clamping bolt 3 is connected with the spring 2, the free end of the clamping bolt 3 protrudes out of the circular hole groove 7, and the cambered surface of the free end is just opposite to the insertion direction of the shaft.

The wall of the circular hole groove 7 radially extends outwards to form symmetrical limiting grooves 71, limiting rods 31 are arranged at the bottom end of the latch 3, when the latch 3 is inserted into the circular hole groove 7, the limiting rods 31 are inserted into the limiting grooves 71, and when the latch 3 is inserted into the bottom of the circular hole groove 7, the latch 3 is rotated to enable the limiting rods 31 to be separated from the limiting grooves 71 and be clamped in the inner cylindrical hole of the circular hole groove 7.

The diameter of the cylindrical hole in the circular hole groove 7 is larger than or equal to the length of the stop rod 31.

The bottom end of the latch 3 extends downwards to form sections of truncated cone which are reduced from top to bottom along the radial direction, and the truncated cone end is sleeved in the spring 2.

The damping block 4 is provided with damping main bodies and plug-in sections axially and outwards extending along two ends of the damping main bodies, wherein the main body section is positioned between the two main bodies, and the diameter of the plug-in sections is smaller than that of the main body section and is inserted into the shaft.

The damper block 4 is an elastomer damper block made of rubber. The stress on the two shafts during relative movement can be buffered, the shafts are better protected, and the service life of the shafts is prolonged.

The working principle of the invention is as follows:

the head of axle is put in the bumper shock absorber and inserted from the sleeve both ends, the free end face of the latch in the sleeve is half arc to the axle insertion direction, when the axle is inserted, the free end arc surface atress makes the latch move down smoothly that moves backward, the axle continues to insert, when the latch aligns with epaxial hole groove, the spring rebounds, the latch moves upward and inserts epaxial corresponding hole groove, realize fixing, and the other face of free end is the straight face, after the axle inserts, can not withdraw from so can the fixed axle, make stable in structure, and the spring can cushion the power that receives when the shaft coupling moved, better protection shaft coupling.

The damping block between the two shafts is made of rubber, so that the force applied when the two shafts move relatively can be buffered, the shafts can be better protected, and the service life of the shafts can be prolonged.

The above description is only an embodiment of the present invention, and not intended to limit the scope of the present invention, and all equivalent structural changes made by using the contents of the present specification and the drawings, or applied directly or indirectly to other related technical fields, are included in the scope of the present invention.