CN211174908U - Little push rod of pen type that waterproof performance is good - Google Patents
Little push rod of pen type that waterproof performance is good Download PDFInfo
- Publication number
- CN211174908U CN211174908U CN201922031442.3U CN201922031442U CN211174908U CN 211174908 U CN211174908 U CN 211174908U CN 201922031442 U CN201922031442 U CN 201922031442U CN 211174908 U CN211174908 U CN 211174908U
- Authority
- CN
- China
- Prior art keywords
- sealing ring
- push rod
- end cover
- inner tube
- fixedly connected
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 67
- 239000004593 Epoxy Substances 0.000 claims description 3
- 239000003973 paint Substances 0.000 claims description 3
- 238000009434 installation Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 238000000926 separation method Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000002411 adverse Effects 0.000 description 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 239000004519 grease Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000001050 lubricating effect Effects 0.000 description 1
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- Excavating Of Shafts Or Tunnels (AREA)
Abstract
The utility model relates to a little push rod technical field of pen type, and a little push rod of pen type that waterproof performance is good is disclosed, including the outer tube, sliding connection is at the inner tube of outer tube and the end cover of fixed connection on the outer tube top, the end cover is run through and upwards extends on the top of inner tube, and inner tube and end cover sliding connection, annular opening has been seted up to the upper surface of end cover, and it has the sealing ring of matching to peg graft in the annular opening, be connected through latch mechanism between sealing ring and the annular opening, the sealing ring includes two semi-circular bodies that the structure is the same, rotate through the commentaries on classics round pin between two semi-circular bodies and connect, and the equal fixedly connected with installation piece of tip of commentaries on classics round pin is kept. The utility model discloses effectively avoid water to get into the gap between pen type little push rod inner tube and the end cover to make pen type little push rod possess good waterproof performance.
Description
Technical Field
The utility model relates to a little push rod technical field of pen type especially relates to a little push rod of pen type that waterproof performance is good.
Background
Pen type little push rod generally includes outer tube and inner tube, and the inner tube is through the inside reciprocating sliding of actuating structure in the outer tube, and pen type little push rod need guarantee operation precision and inside spare part stationarity, need adopt sealing members such as oil blanket, dust ring to seal the clearance between the inner tube of pen type little push rod and outer tube, the end cover, prevent that lubricating grease from spilling, external moisture and impurity get into, especially in the middle of adverse circumstances such as open air, extremely harsh to sealed dustproof waterproof requirement.
When the inner tube of the small pen push rod is installed upwards, due to the gaps among the end cover, the inner tube and the sealing piece, outdoor moisture is easily accumulated in the sealing piece and cannot be discharged in time, and the sealing piece is soaked in water for a long time, so that the aging of the sealing piece is easily caused, and the service life of the small pen push rod is influenced.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the problem of poor waterproof performance of the pen type small push rod in the prior art and providing the pen type small push rod with good waterproof performance.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pen type small push rod with good waterproof performance comprises an outer tube, an inner tube and an end cover, wherein the inner tube is connected in the outer tube in a sliding mode, the end cover is fixedly connected to the top end of the outer tube, the top end of the inner tube penetrates through the end cover and extends upwards, the inner tube is connected with the end cover in a sliding mode, an annular opening is formed in the upper surface of the end cover, a matched sealing ring is inserted in the annular opening, the sealing ring is connected with the annular opening through a clamping mechanism, the sealing ring comprises two semicircular bodies with the same structure, the two semicircular bodies are connected with each other in a rotating mode through a rotating pin, installation pieces are fixedly connected to the end portions, far away from the rotating pin, of the two semicircular bodies, the two installation pieces are connected with each other through bolts, and waterproof sealing gaskets matched with;
clamping mechanism sets up the sliding tray on annular opening inner wall including the symmetry, the tank bottom fixedly connected with spring of sliding tray, the fixture block that the other end fixedly connected with of spring matches with the sliding tray, set up the draw-in groove that matches with the fixture block on the lateral wall of sealing ring, the one end that the spring was kept away from to the fixture block passes the notch of sliding tray and outwards extends, and extends to in the draw-in groove, the fixture block is close to one side fixedly connected with pull rod of sliding tray tank bottom, the other end of pull rod passes the spring and runs through the tank bottom of sliding tray and outwards extends, and the tank bottom sliding connection of pull rod and sliding tray.
Preferably, the bottom symmetry fixedly connected with locating piece of sealing ring, the constant head tank that matches with the locating piece is seted up to the bottom symmetry of annular opening, and locating piece and constant head tank block set up.
Preferably, a matched sealing ring is arranged at the joint of the sealing ring and the top end of the annular gap.
Preferably, the side walls of the inner pipe and the outer pipe are coated with epoxy waterproof paint which is uniformly distributed.
Preferably, one end of the pull rod, which is far away from the fixture block, is fixedly connected with a pull ring.
Compared with the prior art, the utility model provides a little push rod of pen type that waterproof performance is good possesses following beneficial effect:
this little push rod of pen type that waterproof performance is good, through setting up the outer tube, the inner tube, the end cover, the sealing ring, clamping mechanism, the semicircular body, installation piece and waterproof sealing pad, the sealing ring through installation matching between inner tube and the end cover, the sealing ring comprises two semicircular bodies, and the waterproof sealing pad that the inner wall installation and the inner tube of semicircular body suited, thereby make and possess good leakproofness between inner tube and the sealing ring, lead to the unable gap that gets into between inner tube and the end cover of water, make the little push rod of pen type possess good waterproof performance, clamping mechanism makes things convenient for the dismouting between sealing ring and the end cover, after sealing ring and end cover separation, unscrew the bolt between the installation piece, thereby conveniently open two semicircular bodies of rotation connection, make its separation fast and inner tube, and then conveniently change waterproof sealing pad, effectively guarantee water-proof effects.
The part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses effectively avoid water to get into the gap between pen type little push rod inner tube and the end cover to make pen type little push rod possess good waterproof performance.
Drawings
Fig. 1 is a schematic structural view of a pen-type small push rod with good waterproof performance provided by the utility model;
fig. 2 is a schematic structural view of a pen-type small push rod with good waterproof performance in a overlooking manner, which is provided by the utility model;
fig. 3 is an enlarged view of a portion a in fig. 1.
In the figure: the device comprises an outer pipe 1, an inner pipe 2, an end cover 3, a sealing ring 4, a semicircular body 41, an installation sheet 42, a waterproof sealing gasket 5, a sliding groove 6, a spring 7, a clamping block 8, a clamping groove 9, a pull rod 10, a positioning block 11, a positioning groove 12, a sealing ring 13 and a pull ring 14.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Referring to fig. 1-3, a pen-type small push rod with good waterproof performance comprises an outer tube 1, an inner tube 2 slidably connected in the outer tube 1 and an end cover 3 fixedly connected to the top end of the outer tube 1, wherein the top end of the inner tube 2 penetrates through the end cover 3 and extends upwards, the inner tube 2 is slidably connected with the end cover 3, an annular opening is formed in the upper surface of the end cover 3, a matched sealing ring 4 is inserted in the annular opening, the sealing ring 4 is connected with the annular opening through a clamping mechanism, the sealing ring 4 comprises two semicircular bodies 41 with the same structure, the two semicircular bodies 41 are rotatably connected through a rotating pin, the end parts, far away from the rotating pin, of the two semicircular bodies 41 are fixedly connected with mounting pieces 42, the two mounting pieces 42 are connected through bolts, and waterproof sealing gaskets 5 matched with the inner tube 2 are fixedly mounted on the inner walls of the two semicircular;
the clamping mechanism comprises sliding grooves 6 symmetrically arranged on the inner wall of an annular opening, the bottom of each sliding groove 6 is fixedly connected with a spring 7, the other end of each spring 7 is fixedly connected with a clamping block 8 matched with the corresponding sliding groove 6, the outer side wall of each sealing ring 4 is provided with a clamping groove 9 matched with the corresponding clamping block 8, one end, far away from the corresponding spring 7, of each clamping block 8 penetrates through the notch of the corresponding sliding groove 6 and extends outwards to the corresponding clamping groove 9, one side, close to the bottom of the corresponding sliding groove 6, of each clamping block 8 is fixedly connected with a pull rod 10, the other end of each pull rod 10 penetrates through the corresponding spring 7 and extends outwards through the bottom of the corresponding sliding groove 6, the pull rods 10 are in sliding connection with the bottom of the corresponding sliding groove 6, the inner pipe 2 and the end cover 3 are provided with the corresponding sealing rings 4 through the corresponding mounting, each sealing ring 4 is composed of two semicircular bodies 41, and waterproof sealing gaskets 5 matched with the inner, so that water can not enter the gap between the inner tube 2 and the end cover 3, the pen-type small push rod has good waterproof performance, the pull rod 10 is pulled to drive the clamping block 8 to be separated from the clamping groove 9, the sealing ring 4 can be quickly separated from the end cover 3, the pull rod 10 is pulled to drive the clamping block 8 to slide into the sliding groove 6 and compress the spring 7, the sealing ring 4 is arranged in the annular notch, the pull rod 10 is loosened to rotate the sealing ring 4, when the clamping block 8 corresponds to the clamping groove 9, the spring 7 is reset to eject the clamping block 8 into the clamping groove 9, the connection between the sealing ring 4 and the end cover 3 can be completed, so that the sealing ring 4 and the end cover 3 can be conveniently disassembled, when the sealing ring 4 is separated from the end cover 3, the bolt between the mounting sheets 42 is unscrewed, thereby conveniently open two semicircular bodies 41 that rotate to connect, make its quick and inner tube 2 separation, and then conveniently change waterproof gasket 5, effectively guarantee water-proof effects.
The bottom end of the sealing ring 4 is symmetrically and fixedly connected with a positioning block 11, the bottom of the annular opening is symmetrically provided with a positioning groove 12 matched with the positioning block 11, the positioning block 11 is clamped with the positioning groove 12, and when the positioning block 11 is clamped with the positioning groove 12, the clamping block 8 corresponds to the clamping groove 9. Thereby facilitating the rapid installation and positioning.
And a matched sealing ring 13 is arranged at the joint of the sealing ring 4 and the top end of the annular opening, so that the sealing property between the sealing ring 4 and the annular opening is ensured, and the waterproof effect is improved.
The side walls of the inner pipe 2 and the outer pipe 1 are coated with epoxy waterproof paint which is uniformly distributed, so that the inner pipe 2 and the outer pipe 1 are prevented from being corroded by water, and the service life is ensured.
One end of the pull rod 10 far away from the fixture block 8 is fixedly connected with a pull ring 14, so that the pull rod 10 is conveniently driven to slide.
In the utility model, the sealing ring 4 is installed between the inner tube 2 and the end cover 3 through the sealing ring 4 matched with the inner tube 2, the sealing ring 4 is composed of two semicircular bodies 41, and the inner wall of the semicircular body 41 is provided with the waterproof sealing gasket 5 matched with the inner tube 2, thereby ensuring that the inner tube 2 and the sealing ring 4 have good sealing performance, leading water to be unable to enter the gap between the inner tube 2 and the end cover 3, leading the pen-type small push rod to have good waterproof performance, pulling the pull rod 10 to drive the clamping block 8 to be separated from the clamping groove 9, rapidly separating the sealing ring 4 from the end cover 3, pulling the pull rod 10 to drive the clamping block 8 to slide into the sliding groove 6 and compress the spring 7, placing the sealing ring 4 in the annular gap, loosening the pull rod 10 to rotate the sealing ring 4, when the clamping block 8 corresponds to the position of the clamping groove 9, resetting the spring 7, bouncing the clamping block 8, thereby make things convenient for the dismouting between sealing ring 4 and the end cover 3, after sealing ring 4 and end cover 3 separation, unscrew the bolt between the installation piece 42 to conveniently open two semicircular bodies 41 that rotate to be connected, make its quick and inner tube 2 separation, and then conveniently change waterproof sealing pad 5, effectively guarantee water-proof effects.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (5)
1. The pen type small push rod with good waterproof performance comprises an outer tube (1), an inner tube (2) and an end cover (3), wherein the inner tube (2) is slidably connected into the outer tube (1), the end cover (3) is fixedly connected to the top end of the outer tube (1), the top end of the inner tube (2) penetrates through the end cover (3) and extends upwards, the inner tube (2) is slidably connected with the end cover (3), an annular opening is formed in the upper surface of the end cover (3), a matched sealing ring (4) is inserted into the annular opening, the sealing ring (4) is connected with the annular opening through a clamping mechanism, the sealing ring (4) comprises two semicircular bodies (41) with the same structure, the two semicircular bodies (41) are rotatably connected through a rotating pin, mounting pieces (42) are fixedly connected to the end portions, far away from the rotating pin, of the two semicircular bodies (41), and the two mounting pieces (42) are connected through bolts, the inner walls of the two semicircular bodies (41) are fixedly provided with waterproof sealing gaskets (5) matched with the inner pipe (2);
clamping mechanism sets up sliding tray (6) on annular opening inner wall including the symmetry, tank bottom fixedly connected with spring (7) of sliding tray (6), fixture block (8) that other end fixedly connected with and sliding tray (6) of spring (7) match, draw-in groove (9) that match with fixture block (8) are seted up on the lateral wall of sealing ring (4), the notch and the outside extension of sliding tray (6) are passed to the one end that spring (7) were kept away from in fixture block (8), and extend to in draw-in groove (9), one side fixedly connected with pull rod (10) that fixture block (8) are close to sliding tray (6) tank bottom, the other end of pull rod (10) passes spring (7) and runs through the tank bottom of sliding tray (6) and outwards extends, and the tank bottom sliding connection of pull rod (10) and sliding tray (6).
2. The pen type small push rod with good waterproof performance according to claim 1, characterized in that the bottom end of the sealing ring (4) is symmetrically and fixedly connected with a positioning block (11), the bottom of the annular gap is symmetrically provided with a positioning groove (12) matched with the positioning block (11), and the positioning block (11) is clamped with the positioning groove (12).
3. The small pen push rod with good waterproof performance according to claim 1, characterized in that a matched sealing ring (13) is installed at the joint of the sealing ring (4) and the top end of the annular gap.
4. The small pen push rod with good waterproof performance according to claim 1, characterized in that the side walls of the inner tube (2) and the outer tube (1) are coated with epoxy waterproof paint which is uniformly distributed.
5. The small pen-type push rod with good waterproof performance according to claim 1, characterized in that one end of the pull rod (10) far away from the fixture block (8) is fixedly connected with a pull ring (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031442.3U CN211174908U (en) | 2019-11-22 | 2019-11-22 | Little push rod of pen type that waterproof performance is good |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922031442.3U CN211174908U (en) | 2019-11-22 | 2019-11-22 | Little push rod of pen type that waterproof performance is good |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211174908U true CN211174908U (en) | 2020-08-04 |
Family
ID=71805564
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922031442.3U Expired - Fee Related CN211174908U (en) | 2019-11-22 | 2019-11-22 | Little push rod of pen type that waterproof performance is good |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211174908U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327184A (en) * | 2022-10-17 | 2022-11-11 | 广东电网有限责任公司东莞供电局 | Mobile electricity consumption monitoring device with anti-theft function |
-
2019
- 2019-11-22 CN CN201922031442.3U patent/CN211174908U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115327184A (en) * | 2022-10-17 | 2022-11-11 | 广东电网有限责任公司东莞供电局 | Mobile electricity consumption monitoring device with anti-theft function |
| CN115327184B (en) * | 2022-10-17 | 2023-09-26 | 广东电网有限责任公司东莞供电局 | Portable power consumption monitoring devices with theftproof function |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200804 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |