CN220505771U - Pneumatic piston for speed reducer - Google Patents

Abstract

The utility model relates to the technical field of pneumatic pistons and discloses a pneumatic piston for a speed reducer, which comprises a piston shell, wherein the piston shell is connected with an upper cover, the piston shell and the upper cover are connected together to form a rubber ring, a connecting rod is arranged in a cavity of the piston shell, the piston shell is connected with the connecting rod through a connecting pin, a first clamping piece is arranged at one end of the connecting rod, which is far away from the connecting pin, and is connected with a second clamping piece, and the first clamping piece and the second clamping piece are both connected with an arc-shaped clamping block.

Description

Pneumatic piston for speed reducer

Technical Field

The utility model relates to the technical field of pneumatic pistons, in particular to a pneumatic piston for a speed reducer.

Background

The speed reducer plays a role in matching the rotating speed and transmitting the torque between the prime motor and the working machine or the executing mechanism, and is a relatively precise machine. Its purpose is to reduce the rotational speed and increase the torque. It has various kinds and different types and uses. The speed reducer has various kinds and can be classified into a gear speed reducer, a worm speed reducer and a planetary gear speed reducer according to transmission types; the speed reducer can be divided into a single-stage speed reducer and a multi-stage speed reducer according to different transmission stages; the gear shape can be divided into a cylindrical gear reducer, a conical gear reducer and a conical-cylindrical gear reducer; according to the arrangement form of transmission, the speed reducer can be divided into an expansion speed reducer, a split-flow speed reducer and a coaxial speed reducer.

The Chinese patent with the publication number of CN217234358U discloses a pneumatic piston for a speed reducer, friction between a piston connecting pin and a piston group part is reduced through a rubber ring, a connecting shaft cannot loosen when a bearing fixing seat is driven to move through a bearing connecting piece, but after long-time use, a sealing ring on the outer wall of the piston is easy to wear, the using effect is affected, the sealing ring is inconvenient to replace by the pneumatic piston, and the connecting piece is easy to shift in position in the using process, so that the acting efficiency of the piston is affected.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model aims to provide a pneumatic piston for a speed reducer.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a pneumatic piston for speed reducer, includes the piston shell, the upper cover is being connected to the piston shell, the rubber circle is being connected jointly with the upper cover to the piston shell, the piston shell intracavity is provided with the connecting rod the piston shell passes through the connecting pin with the connecting rod and is connected, the one end that the connecting pin was kept away from to the connecting rod is provided with joint spare one, joint spare one has connected joint spare two, arc fixture block is all being connected with joint spare two to joint spare one.

The utility model is further provided with: the piston shell is provided with a mounting ring near the upper cover, the outer diameter of the mounting ring is the same as the inner diameter of the rubber ring, the height of the mounting ring is the same as that of the rubber ring, and the inner side of the mounting ring is provided with internal threads.

The utility model is further provided with: the piston upper cover is provided with the collar near shell department, the diameter of installation piece and collar internal diameter assorted, just highly the same, the installation piece is provided with the external screw thread.

The utility model is further provided with: the first clamping piece and the second clamping piece are semicircular and are spliced into a complete ring through bolts, a first limiting block is arranged at one end of the inner side of the first clamping piece, a second limiting block is arranged at one end of the inner side of the second clamping piece, and the second limiting block is opposite to the first limiting block in position.

The utility model is further provided with: the clamping piece I and the clamping piece II are both provided with clamping grooves, the clamping grooves are respectively connected with the limiting block II and the limiting block I, and the two sides of the clamping grooves are both provided with fixing blocks.

The utility model is further provided with: the arc fixture block is provided with a groove, and the groove is matched with the fixed block.

The utility model has the advantages that:

1. when in installation, the sealing ring is sleeved on the outer side of the installation block, and the upper cover is connected with the piston shell through the external threads and the internal threads; the sealing ring can be replaced by unscrewing the upper cover after the sealing ring is worn, so that the convenience of using the device is improved;

2. the arc-shaped clamping blocks are respectively embedded into the first clamping piece and the second clamping piece along the clamping grooves, the first clamping piece and the second clamping piece are spliced into a circular ring through bolts, the second limiting block and the first limiting block just can limit the arc-shaped clamping blocks from two ends, the arc-shaped clamping blocks are effectively prevented from shifting, and the connecting pieces are firmly and tightly connected with the speed reducer fixing seat when being installed.

Drawings

FIG. 1 is a schematic diagram of one embodiment of the present utility model;

FIG. 2 is a schematic view of a top cover of the present utility model;

FIG. 3 is a schematic view of a piston housing of the present utility model;

FIG. 4 is a schematic view of a clip according to the present utility model;

FIG. 5 is an enlarged view of FIG. 4 at A;

FIG. 6 is a schematic view of an arc-shaped latch according to the present utility model;

in the figure: 1. a piston housing; 101. a mounting ring; 102. an internal thread; 2. an upper cover; 201. a mounting block; 202. an external thread; 3. a rubber ring; 4. a connecting pin; 5. a connecting rod; 6. the clamping piece I; 601. a first limiting block; 7. the clamping piece II; 701. a second limiting block; 8. an arc-shaped clamping block; 801. a groove; 9. a clamping groove; 901. and a fixed block.

Detailed Description

It should be noted that, without conflict, the embodiments and features of the embodiments in the present application may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

It is noted that all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs unless otherwise indicated.

In the present utility model, unless otherwise indicated, the terms "upper" and "lower" are used generally with respect to the directions shown in the drawings, or with respect to the vertical, vertical or gravitational directions; also, for ease of understanding and description, "left, right" is generally directed to the left, right as shown in the drawings; "inner and outer" refer to inner and outer relative to the outline of the components themselves, but the above-described orientation terms are not intended to limit the present utility model.

Referring to fig. 1-6, the present utility model provides the following technical solutions:

the utility model provides a pneumatic piston for speed reducer, including piston housing 1, piston housing 1 is connected upper cover 2, and piston housing 1 is being connected rubber circle 3 jointly with upper cover 2, and piston housing 1 intracavity is provided with connecting rod 5, and piston housing 1 is connected through connecting pin 4 with connecting rod 5, and connecting rod 5 is kept away from the one end of connecting pin 4 and is provided with joint spare one 6, and joint spare one 6 is connected joint spare two 7, and arc fixture block 8 is all being connected with joint spare two 7 to joint spare one 6.

The piston shell 1 is provided with the collar 101 near the upper cover 2 department, the collar 101 external diameter is the same with the internal diameter of rubber circle 3, collar 101 highly is the same with rubber circle 3, the collar 101 inboard is provided with internal thread 102, piston upper cover 2 is provided with the installation piece 201 near shell 1 department, the diameter of installation piece 201 matches with the internal diameter phase-match of collar 101, and highly the same, installation piece 201 is provided with external screw thread 202, during the installation, cup joint sealing washer 3 in the outside of installation 201, be connected upper cover 2 and piston shell 1 through external screw thread 202 and internal thread 102, unscrew upper cover 2 and can change the sealing washer after sealing washer 3 wearing and tearing.

The clamping piece I6 and the clamping piece II 7 are semicircular, the clamping piece I6 and the clamping piece II 7 are spliced into complete circular rings through bolts, clamping grooves 9 are formed in the inner sides of the clamping piece I6 and the clamping piece II 7, the clamping grooves 9 are respectively connected with the limiting block II 701 and the limiting block I601, fixing blocks 901 are arranged on two sides of the clamping grooves 9, grooves 801 are matched with the fixing blocks 901, the arc-shaped clamping blocks 8 are respectively embedded into the clamping piece I6 and the clamping piece II 7 along the clamping grooves 9, the limiting block I601 is arranged at one end of the inner side of the clamping piece I6, the limiting block II 701 is opposite to the limiting block I601, when the clamping piece I6 and the clamping piece II 7 are spliced into circular rings, the limiting block II and the limiting block I601 just can limit the arc-shaped clamping blocks 8 from two ends, the arc-shaped clamping blocks 8 are effectively prevented from being deviated, the connection is more firm and tight when the connecting piece 5 and a speed reducer fixing seat are mounted, and the connection is more stable.

Specifically, when in installation, the sealing ring 3 is sleeved on the outer side of the installation block 201, and the upper cover 2 is connected with the piston housing 1 through the external threads 202 and the internal threads 102; the arc-shaped clamping blocks 8 are respectively embedded into the first clamping piece 6 and the second clamping piece 7 along the clamping grooves 9, the first clamping piece 6 and the second clamping piece 7 are spliced into a circular ring through bolts, the limiting blocks 701 and 601 just can limit the arc-shaped clamping blocks 8 from two ends, the arc-shaped clamping blocks 8 are effectively prevented from being deviated, and the connecting piece 5 and the speed reducer fixing seat are firmer and more compact when being installed.

It will be apparent that the embodiments described above are merely some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the present utility model without making any inventive effort, shall fall within the scope of the present utility model.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments in accordance with the present application. As used herein, the singular is also intended to include the plural unless the context clearly indicates otherwise, and furthermore, it is to be understood that the terms "comprises" and/or "comprising" when used in this specification are taken to specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof.

It should be noted that the terms "first," "second," and the like in the description and claims of the present application and the above figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used may be interchanged where appropriate such that embodiments of the present application described herein may be implemented in sequences other than those illustrated or described herein.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides a pneumatic piston for speed reducer, includes piston housing (1), its characterized in that: the piston shell (1) is connected with the upper cover (2), the piston shell (1) is connected with the upper cover (2) together and is connected with the rubber ring (3), be provided with connecting rod (5) in the piston shell (1) intracavity piston shell (1) is connected through connecting pin (4) with connecting rod (5), one end that connecting pin (4) was kept away from to connecting rod (5) is provided with joint spare one (6), joint spare two (7) are being connected to joint spare one (6), arc fixture block (8) are all being connected with joint spare two (7).

2. The pneumatic piston for a speed reducer according to claim 1, wherein: the piston shell (1) is provided with a mounting ring (101) close to the upper cover (2), the outer diameter of the mounting ring (101) is the same as the inner diameter of the rubber ring (3), the height of the mounting ring (101) is the same as the height of the rubber ring (3), and the inner side of the mounting ring (101) is provided with an internal thread (102).

3. A pneumatic piston for a speed reducer as claimed in claim 2, wherein: the upper cover (2) is provided with a mounting block (201) close to the shell (1), the diameter of the mounting block (201) is matched with the inner diameter of the mounting ring (101) and the height of the mounting block is the same, and the mounting block (201) is provided with external threads (202).

4. A pneumatic piston for a speed reducer as claimed in claim 3, wherein: the clamping piece I (6) and the clamping piece II (7) are semicircular, the clamping piece I and the clamping piece II are spliced into a complete circular ring through bolts, a first limiting block (601) is arranged at one end of the inner side of the clamping piece I (6), a second limiting block (701) is arranged at one end of the inner side of the clamping piece II (7), and the second limiting block (701) is opposite to the first limiting block (601).

5. The pneumatic piston for a speed reducer according to claim 4, wherein: clamping grooves (9) are formed in the inner sides of the first clamping piece (6) and the second clamping piece (7), the clamping grooves (9) are respectively connected with the second limiting block (701) and the first limiting block (601), and fixing blocks (901) are arranged on two sides of the clamping grooves (9).

6. The pneumatic piston for a speed reducer according to claim 5, wherein: the arc-shaped clamping block (8) is provided with a groove (801), and the groove (801) is matched with the fixed block (901).