CN210139112U - Reciprocating saw and reciprocating rod sealing structure thereof - Google Patents
Reciprocating saw and reciprocating rod sealing structure thereof Download PDFInfo
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- CN210139112U CN210139112U CN201920591799.4U CN201920591799U CN210139112U CN 210139112 U CN210139112 U CN 210139112U CN 201920591799 U CN201920591799 U CN 201920591799U CN 210139112 U CN210139112 U CN 210139112U
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- reciprocating
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- mounting sleeve
- housing
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Abstract
The utility model belongs to the technical field of the reciprocating saw, concretely relates to reciprocating saw and reciprocating lever seal structure thereof. The reciprocating saw comprises a shell and a reciprocating rod capable of performing linear reciprocating motion relative to the shell; the reciprocating lever sealing structure includes: the reciprocating rod is connected with the shell through the sliding bearing; the mounting sleeve and the sliding bearing are integrally arranged, and the reciprocating rod penetrates through the mounting sleeve; a first seal disposed between the mounting sleeve and the housing; a seal assembly including a second seal disposed between the mounting sleeve and the reciprocating rod.
Description
Technical Field
The utility model belongs to the technical field of the reciprocating saw, concretely relates to reciprocating saw and reciprocating lever seal structure thereof.
Background
This section provides background information related to the present disclosure only and is not necessarily prior art.
The reciprocating saw is a tool which is driven by a motor and cuts various materials through the reciprocating action of a saw blade, and is more efficient and labor-saving than a manual saw which is used by people in daily life. The reciprocating saw generally comprises a shell, a motor arranged in the shell, a transmission assembly, a reciprocating rod and a saw blade connected to the end of the reciprocating rod. The existing reciprocating saw has poor sealing performance between the reciprocating rod and the shell, so that the phenomenon of oil leakage often occurs, and the waste of lubricating oil is caused.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem that the existing reciprocating saw leads to oil leakage due to poor sealing performance between the reciprocating rod and the shell at least. The purpose is realized by the following technical scheme:
the utility model provides a first aspect of the reciprocating rod sealing structure, which is used for a reciprocating saw, wherein the reciprocating saw comprises a shell and a reciprocating rod which can do linear reciprocating motion relative to the shell; the reciprocating lever sealing structure includes: the reciprocating rod is connected with the shell through the sliding bearing; the mounting sleeve and the sliding bearing are integrally arranged, and the reciprocating rod penetrates through the mounting sleeve; a first seal disposed between the mounting sleeve and the housing; a seal assembly including a second seal disposed between the mounting sleeve and the reciprocating rod.
According to the reciprocating rod sealing structure provided by the embodiment of the utility model, the sealing between the reciprocating rod and the shell can be realized, specifically, the reciprocating rod is connected with the shell through the sliding bearing, so that the reciprocating rod can smoothly and stably perform linear reciprocating motion relative to the shell, the mounting sleeve and the sliding bearing are integrally arranged, and the first sealing element is arranged between the mounting sleeve and the shell, thereby ensuring the sealing between the sliding bearing and the shell, and avoiding the lubricating oil packaged in the shell from leaking out through the gap between the sliding bearing and the shell; in addition, the second sealing member is arranged between the mounting sleeve and the reciprocating rod, so that the sealing property between the reciprocating rod and the sliding bearing can be ensured, the lubricating oil packaged in the shell is prevented from leaking out through a gap between the reciprocating rod and the sliding bearing, and the sealing property between the reciprocating rod and the shell is improved.
In addition, according to the utility model discloses reciprocating lever seal structure, still can have following additional technical characterstic:
in some embodiments of the present invention, the first sealing member is installed in a limiting groove provided at an outlet of the housing.
In some embodiments of the present invention, the first sealing member faces towards one side of the mounting sleeve is provided with an annular opening, and an annular protrusion adapted to the opening is provided on an outer wall of the mounting sleeve.
In some embodiments of the present invention, a retaining ring is fixedly disposed on the inner wall of the mounting sleeve, an end cover is mounted on a position of the inner wall of the mounting sleeve, which is close to the end portion, and the end cover and the sealing cavity for accommodating the sealing assembly are formed between the retaining ring and the end cover.
In some embodiments of the present invention, the sealing assembly further comprises an oil absorption pad having an adsorption effect on the oil.
In some embodiments of the present invention, the oil absorption pad is a wool loop, and the sealing assembly further comprises two gaskets, wherein one of the gaskets is located between the wool loop and the second sealing member, and the other gasket is located between the wool loop and the end cap.
In some embodiments of the present invention, the end cap is connected with the mounting sleeve in an interference fit manner.
In some embodiments of the present invention, the first sealing element and the second sealing element are rubber seals.
A second aspect of the present invention provides a reciprocating saw, comprising: a housing; a reciprocating lever capable of linearly reciprocating with respect to the housing; and the reciprocating rod sealing structure is arranged between the reciprocating rod and the shell, and is the reciprocating rod sealing structure in any embodiment.
According to the reciprocating saw provided by the embodiment of the utility model, the sealing between the reciprocating rod and the shell can be realized through the reciprocating rod sealing structure, specifically, the reciprocating rod is connected with the shell through the sliding bearing, so that the reciprocating rod can smoothly and stably perform linear reciprocating motion relative to the shell, the mounting sleeve and the sliding bearing are integrally arranged, and the first sealing element is arranged between the mounting sleeve and the shell, thereby ensuring the sealing between the sliding bearing and the shell, and avoiding the lubricating oil packaged in the shell from leaking out through the gap between the sliding bearing and the shell; in addition, the second sealing member is arranged between the mounting sleeve and the reciprocating rod, so that the sealing property between the reciprocating rod and the sliding bearing can be ensured, the lubricating oil packaged in the shell is prevented from leaking out through a gap between the reciprocating rod and the sliding bearing, and the sealing property between the reciprocating rod and the shell is improved.
Drawings
Various other advantages and benefits will become apparent to those of ordinary skill in the art upon reading the following detailed description of the preferred embodiments. The drawings are only for purposes of illustrating the preferred embodiments and are not to be construed as limiting the invention. Like reference numerals refer to like parts throughout the drawings. In the drawings:
FIG. 1 is an exploded view of a reciprocating saw according to an embodiment of the present invention;
fig. 2 is a schematic view of a partial structure of a reciprocating saw according to an embodiment of the present invention.
The reference symbols in the drawings denote the following:
100: a reciprocating lever sealing structure;
10: sliding bearing, 20: mounting sleeve, 21: annular projection, 22: retainer ring, 23: end cap, 30: first seal, 40: seal assembly, 41: second seal, 42: oil absorption pad, 43: a gasket;
200: a housing, 201: a limiting groove;
300: a reciprocating lever.
Detailed Description
Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.
It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only, and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" may be intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises," "comprising," "including," and "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and/or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order described or illustrated, unless specifically identified as an order of performance. It should also be understood that additional or alternative steps may be used.
Although the terms first, second, third, etc. may be used herein to describe various elements, components, regions, layers and/or sections, these elements, components, regions, layers and/or sections should not be limited by these terms. These terms may be only used to distinguish one element, component, region, layer or section from another region, layer or section. Terms such as "first," "second," and other numerical terms when used herein do not imply a sequence or order unless clearly indicated by the context. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.
For convenience of description, spatially relative terms, such as "inner", "outer", "lower", "below", "upper", "above", and the like, may be used herein to describe one element or feature's relationship to another element or feature as illustrated in the figures. Such spatially relative terms are intended to encompass different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, elements described as "below" or "beneath" other elements or features would then be oriented "above" or "over" the other elements or features. Thus, the example term "below … …" can include both an orientation of above and below. The device may be otherwise oriented (rotated 90 degrees or at other orientations) and the spatially relative descriptors used herein interpreted accordingly.
As shown in fig. 1 and 2, an embodiment of the first aspect of the present invention provides a reciprocating rod sealing structure 100 for a reciprocating saw, which includes a housing 200 and a reciprocating rod 300 capable of performing a linear reciprocating motion relative to the housing 200. The reciprocating lever seal arrangement 100 includes a plain bearing 10, a mounting sleeve 20, a first seal 30 and a seal assembly. The reciprocating rod 300 is connected to the housing 200 through the sliding bearing 10, the mounting sleeve 20 is integrally disposed with the sliding bearing 10, and the reciprocating rod 300 is disposed through the mounting sleeve 20. The first seal 30 is disposed between the mounting sleeve 20 and the housing 200. The seal assembly 40 includes a second seal 41, the second seal 41 being disposed between the mounting sleeve 20 and the reciprocating rod 300.
According to the reciprocating lever sealing structure 100 of the embodiment of the present invention, the sealing between the reciprocating lever 300 and the housing 200 can be realized, specifically, the reciprocating lever 300 is connected with the housing 200 through the sliding bearing 10, so that the reciprocating lever 300 can smoothly and stably perform the linear reciprocating motion with respect to the housing 200, the mounting sleeve 20 is integrally provided with the sliding bearing 10, and the first sealing member 30 is disposed between the mounting sleeve 20 and the housing 200, thereby ensuring the sealing between the sliding bearing 10 and the housing 200, and preventing the lubricating oil packaged in the housing 200 from leaking out through the gap between the sliding bearing 10 and the housing 200; in addition, the second sealing member 41 is disposed between the mounting sleeve 20 and the reciprocating rod 300, whereby it is possible to secure sealability between the reciprocating rod 300 and the sliding bearing 10, to prevent the lubricating oil encapsulated in the housing 200 from leaking out through a gap between the reciprocating rod 300 and the sliding bearing 10, and to thereby improve sealability between the reciprocating rod 300 and the housing 200.
It will be appreciated that the first seal 30 not only prevents the lubricant oil inside the housing 200 from leaking out, but also prevents external dust from entering the housing 200, thus having the dual function of preventing permeation and dust.
In some embodiments of the present invention, the first sealing element 30 is installed in the limiting groove 201 disposed at the outlet of the housing 200, so that the installation position of the first sealing element 30 is relatively fixed, and the play of the first sealing element in the use process is avoided.
The utility model discloses an in some embodiments, first sealing member 30 is equipped with towards the one side of installation cover 20 and is annular opening, be equipped with on the outer wall of installation cover 20 with the annular arch 21 of opening looks adaptation, through the open-ended cooperation on annular arch 21 and the first sealing member 30, can increase the area of contact of the sealed face between first sealing member 30 and the installation cover 20, thereby reach better sealed effect, in addition, annular arch 21 and open-ended cooperation can also guarantee that first sealing member 30 can not take place the drunkenness for installation cover 20, and then guarantee the stability of sealed effect.
The utility model discloses a some embodiments, fixedly on the inner wall of installing sleeve 20 being provided with fender ring 22, being close to the position of tip at the inner wall of installing sleeve 20 and installing end cover 23, end cover 23 and forming the seal chamber that is used for holding seal assembly 40 between the ring, seal assembly 40 installs in seal chamber, can guarantee seal assembly 40's structural stability, avoids seal assembly 40 to drop from installing sleeve 20.
The utility model discloses an in some embodiments, seal assembly 40 still includes the oil absorption pad 42 that has adsorption to fluid, and oil absorption pad 42 can soak oil to it before the sealed chamber of packing into, makes lubricating oil adsorb on oil absorption pad 42, so, can carry out reciprocating motion's in-process at reciprocating lever 300, lubricate reciprocating lever 300 through oil absorption pad 42 to further to the lubricated effect of reciprocating lever 300.
In some embodiments of the present invention, the oil absorption pad 42 is a wool ring, the wool ring has very good oil absorption, in order to maintain the shape of the wool ring and prevent the wool ring from deforming during the reciprocating motion of the reciprocating rod 300, the sealing assembly 40 further includes two gaskets 43, one gasket 43 is located between the wool ring and the second sealing member 41, and the other gasket 43 is located between the wool ring and the end cover 23, that is, the two gaskets 43 clamp the wool ring therein, thereby maintaining the shape of the wool ring.
In some embodiments of the present invention, the end cap 23 is connected to the mounting sleeve 20 in an interference fit manner, and the connection manner is simple and the structure is stable.
In some embodiments of the present invention, the first sealing element 30 and the second sealing element 41 are rubber sealing rings, which are low in cost and good in sealing effect.
An embodiment of the second aspect of the present invention provides a reciprocating saw, including: the reciprocating lever sealing structure comprises a housing 200, a reciprocating lever 300 capable of performing linear reciprocating motion relative to the housing 200, and a reciprocating lever sealing structure arranged between the reciprocating lever 300 and the housing 200, wherein the reciprocating lever sealing structure is the reciprocating lever sealing structure 100 in any one of the embodiments.
According to the reciprocating saw of the embodiment of the present invention, the sealing between the reciprocating rod 300 and the housing 200 can be realized through the reciprocating rod sealing structure 100, specifically, the reciprocating rod 300 is connected with the housing 200 through the sliding bearing 10, so that the reciprocating rod 300 can smoothly and stably perform the linear reciprocating motion relative to the housing 200, the mounting sleeve 20 is integrally disposed with the sliding bearing 10, and the first sealing member 30 is disposed between the mounting sleeve 20 and the housing 200, thereby ensuring the sealing between the sliding bearing 10 and the housing 200, and preventing the lubricating oil packaged in the housing 200 from leaking out through the gap between the sliding bearing 10 and the housing 200; in addition, the second sealing member 41 is disposed between the mounting sleeve 20 and the reciprocating rod 300, whereby it is possible to secure sealability between the reciprocating rod 300 and the sliding bearing 10, to prevent the lubricating oil encapsulated in the housing 200 from leaking out through a gap between the reciprocating rod 300 and the sliding bearing 10, and to thereby improve sealability between the reciprocating rod 300 and the housing 200.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention should be covered by the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (9)
1. A reciprocating rod sealing structure for a reciprocating saw, the reciprocating saw comprising a housing, a reciprocating rod capable of reciprocating linearly relative to the housing; characterized in that, reciprocating lever seal structure includes:
the reciprocating rod is connected with the shell through the sliding bearing;
the mounting sleeve and the sliding bearing are integrally arranged, and the reciprocating rod penetrates through the mounting sleeve;
a first seal disposed between the mounting sleeve and the housing;
a seal assembly including a second seal disposed between the mounting sleeve and the reciprocating rod.
2. The reciprocating lever seal structure of claim 1, wherein the first seal is mounted in a retaining groove provided at an outlet of the housing.
3. The reciprocating lever seal structure of claim 1, wherein a side of the first sealing member facing the mounting sleeve is provided with an annular opening, and an annular protrusion adapted to the opening is provided on an outer wall of the mounting sleeve.
4. The reciprocating lever seal structure of claim 1, wherein a stop ring is fixedly disposed on an inner wall of the mounting sleeve, an end cap is mounted on the inner wall of the mounting sleeve at a position close to the end, and a seal cavity for accommodating the seal assembly is formed between the end cap and the stop ring.
5. The reciprocating bar seal arrangement of claim 4, wherein the seal assembly further comprises an oil absorption pad having an adsorptive effect on oil.
6. The reciprocating bar seal arrangement of claim 5, wherein the oil suction pad is a wool loop, the seal assembly further comprising two gaskets, one of the gaskets being located between the wool loop and the second seal member and the other gasket being located between the wool loop and the end cap.
7. The reciprocating bar seal arrangement of claim 4, wherein the end cap is connected with the mounting sleeve in an interference fit.
8. The reciprocating bar seal structure of any one of claims 1 to 7, wherein the first and second seals are rubber seals.
9. A reciprocating saw, comprising:
a housing;
a reciprocating lever capable of linearly reciprocating with respect to the housing;
a reciprocating rod sealing structure provided between the reciprocating rod and the housing, the reciprocating rod sealing structure being according to any one of claims 1 to 8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591799.4U CN210139112U (en) | 2019-04-26 | 2019-04-26 | Reciprocating saw and reciprocating rod sealing structure thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920591799.4U CN210139112U (en) | 2019-04-26 | 2019-04-26 | Reciprocating saw and reciprocating rod sealing structure thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210139112U true CN210139112U (en) | 2020-03-13 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920591799.4U Active CN210139112U (en) | 2019-04-26 | 2019-04-26 | Reciprocating saw and reciprocating rod sealing structure thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210139112U (en) |
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2019
- 2019-04-26 CN CN201920591799.4U patent/CN210139112U/en active Active
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