CN110451421A - Hand retracting cylinder - Google Patents
Hand retracting cylinder Download PDFInfo
- Publication number
- CN110451421A CN110451421A CN201910887780.9A CN201910887780A CN110451421A CN 110451421 A CN110451421 A CN 110451421A CN 201910887780 A CN201910887780 A CN 201910887780A CN 110451421 A CN110451421 A CN 110451421A
- Authority
- CN
- China
- Prior art keywords
- outer tube
- inner sleeve
- crank
- tube
- retracting cylinder
- 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.)
- Pending
Links
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 238000012856 packing Methods 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims 1
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 4
- 241001417527 Pempheridae Species 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
- B66F3/08—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated
- B66F3/10—Devices, e.g. jacks, adapted for uninterrupted lifting of loads screw operated with telescopic sleeves
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
- E01H5/00—Removing snow or ice from roads or like surfaces; Grading or roughening snow or ice
Abstract
The invention discloses a kind of hand retracting cylinders, and including outer tube and the components equipped with crank for installing outer tube, outer tube is equipped with location hole in top；Components include that the top being inserted into outer tube is equipped with the inner sleeve of nut portions, an axial channel are equipped on the outer tube wall of inner sleeve, inner sleeve is equipped with the stretching cannula portion for stretching out the bottom of outer tube；A screw rod is equipped in inner sleeve, screw rod has the screw thread rod segment being threadedly coupled with nut portions and the positioning column being located in outer tube connecting with screw thread rod segment, positioning column is connected with the mandril section being connected with crank outside the location hole for stretching out outer tube, at the top of the positioning column and outer tube between mandril section on be equipped with bearing；The anti-turn bolt that the axial channel of inner sleeve is protruded into across tube wall is equipped on outer tube.Compared with the prior art, the present invention can solve existing hand retracting cylinder maintenance hardly possible and the small problem of intensity load.
Description
Technical field
It is especially a kind of standby to be stretched in hand on snow sweeper the present invention relates to snow removing equipment cutfit manufacturing technology field
Contracting cylinder.
Background technique
Hand retracting cylinder is also referred to as hand-operated jack, is tool indispensable on snow sweeper；Existing hand retracting cylinder packet
The components for including outer tube and being installed in the outer tube, the components are equipped with crank in top.It is this hand to stretch
There are the following problems in use for contracting cylinder: 1, structure is complicated for existing components, difficult to install, so that maintenance is inconvenient；
2, since the tube wall of outer tube is thin, and the cooperation of outer tube and components more loosens, it is difficult to guarantee in the presence of a harsh environment
Axial direction, radial load i.e. intensity load are small, need that set pipe sleeve is helped to be shaken on crank outside, inconvenient to use.
Summary of the invention
It is existing hand to solve technical problem to be solved by the invention is to provide a kind of hand retracting cylinder easy to use
Retracting cylinder maintenance hardly possible and the small problem of intensity load.
The technical proposal for solving the technical problem of the invention are as follows: this hand retracting cylinder includes outer tube and installed
The components equipped with crank of the outer tube, the outer tube are equipped with location hole in top；The components include inserting
Top in the outer tube is equipped with the inner sleeve of nut portions, and an axial direction is equipped on the outer tube wall of the inner sleeve and is led
Slot, the inner sleeve are equipped with the stretching cannula portion for stretching out the bottom of the outer tube；A screw rod is equipped in the inner sleeve,
The screw rod has the screw thread rod segment being threadedly coupled with the nut portions and is located in outer tube with what the screw thread rod segment was connect
Positioning column, the positioning column is connected with the mandril section being connected with the crank outside the location hole for stretching out the outer tube,
Bearing is equipped in the mandril section between at the top of the positioning column and the outer tube；On the outer tube be equipped with across
Tube wall protrudes into the anti-turn bolt of the axial channel of the inner sleeve.
In above-mentioned hand retracting cylinder technical solution, more specific technical solution may also is that the outer tube includes outer cylinder
Tube body and the plug for being welded on the outer bobbin bodies top, the location hole are located on the plug, and the location hole is
Centralized positioning circular hole.
It is further: the round tube that the wall thickness of the outer cylinder tube body is 4.5 millimeters~8 millimeters.
Further: the bearing is thrust bearing.
Further: the crank includes the crank set for being set in mandril section end, and crank set is shaken by passing across
Grip and the ball screw nut of the mandril section are connect with the mandril section, and rocking bar is equipped in the crank set.
It is further: to be arranged with copper packing in the mandril section between the crank set and the plug.
By adopting the above-described technical solution, compared with prior art, the present invention has the following advantages: 1, due to this
The components of hand retracting cylinder include the inner sleeve being inserted into outer tube, and a screw rod is equipped in inner sleeve, and screw rod is logical
The mandril section for the positioning column connection crossing screw thread rod segment to be threadedly coupled with the nut portions of inner sleeve, and connecting with positioning column is from outer tube
The location hole at top is protruding and is connected with crank, the nut portions of inner sleeve and the screw thread rod segment energy accurate fit of screw rod；
Simultaneously because the outer tube wall of inner sleeve is equipped with an axial channel, freely stretching for screw rod axial direction can be realized by shaking crank
Contracting；And it is located at the bearing in the mandril section between at the top of positioning column and outer tube, it is ensured that axial, radial load in the presence of a harsh environment
The intensity of lotus；It is easy to operate, without additional means, screw rod can be rotated freely by crank and the cooperation with inner/outer tube
Realize upper and lower free extension；In addition it is equipped with anti-turn bolt between inner sleeve and outer tube and carries out axial lock, it is ensured that screw rod and outer
Casing mutually rotates；2, structure is simple, installation, maintenance, conveniently；3, since the wall thickness of outer cylinder tube body is 4.5 millimeters~8 millis
Rice, it is ensured that intensity needed for having demonstrate,proved this hand retracting cylinder.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the embodiment of the present invention.
Fig. 2 is the scheme of installation of the embodiment of the present invention.
Fig. 3 is the structural schematic diagram of the outer tube of the embodiment of the present invention.
Fig. 4 is the structural schematic diagram of the inner sleeve of the embodiment of the present invention.
Fig. 5 is the structural schematic diagram of the screw rod of the embodiment of the present invention.
Specific embodiment
Below in conjunction with attached drawing, the invention will be further described:
Embodiment 1:
Hand retracting cylinder as depicted in figs. 1 and 2 includes outer tube 4 and inner core of the top equipped with crank 1 for installing outer tube
The outer tube 4 of component, the present embodiment is equipped with location hole in top, and outer tube 4 includes outer cylinder tube body 4-2 and is welded on outer cylinder
The location hole of plug 4-1 at the top of tube body 4-2,4 top of outer tube are provided on plug 4-1, fixed centered on the location hole
Circle of position hole；The wall thickness of the outer cylinder tube body 4-2 of the present embodiment is 4.5 millimeters；As shown in Figure 3；The components packet of the present embodiment
The inner sleeve 6-2 that the top being inserted into outer tube 4 is equipped with nut portions 6-1 is included, is equipped on the outer tube wall of inner sleeve 6-2
One axial channel, inner sleeve 6-2 is equipped with the stretching cannula portion for stretching out the bottom bobbin ontology 4-2 of outer tube, such as Fig. 4 institute
Show；A screw rod 5 is equipped in inner sleeve 6-2, screw rod 5 as shown in Figure 5 has the nut portions 6-1 screw thread with outer tube 4
Positioning column in the screw thread rod segment 5-3 of connection and the outer cylinder tube body 4-2 for being located at outer tube 4 being connect with screw thread rod segment 5-3
5-2, positioning column 5-2 are connected with the mandril being connected with crank 1 outside the location hole on the plug 4-1 for stretching out outer tube 4
Section 5-1, the crank 1 of the present embodiment include the crank set 1-1, crank set 1-1 for being set in the end mandril section 5-1 of screw rod 5
By passing across the ball screw nut 1-2 of the side wall of crank set 1-1 and the mandril section 5-1 of screw rod 5 and the mandril section 5- of screw rod 5
1 connection is equipped with rocking bar on crank set 1-1, is arranged with copper packing 2 on the mandril section 5-1 between crank set 1-1 and plug；
Be arranged with bearing 3 in mandril section between the top positioning column 5-2 and outer tube 4 of screw rod 5, that is, the positioning in screw rod 5
It is arranged with bearing 3 on mandril section 5-1 between the plug 4-1 at 4 top column 5-2 and outer tube, the bearing 3 of the present embodiment is to push away
Power bearing；The anti-turn bolt that the axial channel of inner sleeve 4 is protruded into across tube wall is equipped on the outer cylinder tube body 4-2 of outer tube 4
7。
Embodiment 2:
The wall thickness of outer cylinder tube body 4-2 is 8 millimeters, other are same as Example 1.
Since the components of this hand retracting cylinder include the inner sleeve being inserted into outer tube, one is equipped in inner sleeve
Root screw rod, the positioning column connection that screw rod is threadedly coupled with the nut portions of inner sleeve by screw thread rod segment, and connect with positioning column
Mandril section is protruding from the location hole at the top of outer tube and is connected with crank, the nut portions of inner sleeve and the threaded rod of screw rod
Section can accurate fit；Simultaneously because the outer tube wall of inner sleeve is equipped with an axial channel, screw rod can be realized by shaking crank
Axial free extension；And it is located at the bearing in the mandril section between at the top of positioning column and outer tube, it is ensured that in the presence of a harsh environment
Axial direction, the intensity of radial load；It is easy to operate, without additional means, screw rod can be rotated freely by crank and
Upper and lower free extension is realized in cooperation with inner/outer tube；In addition it is equipped with anti-turn bolt between inner sleeve and outer tube and carries out axial lock
It is fixed, it is ensured that screw rod is mutually rotated with outer tube.
Claims (6)
1. a kind of hand retracting cylinder, including outer tube and the components equipped with crank for installing the outer tube, feature
Be: the outer tube is equipped with location hole in top；The components include that the top being inserted into the outer tube is equipped with
The inner sleeve of nut portions, is equipped with an axial channel on the outer tube wall of the inner sleeve, and the inner sleeve is equipped with described in stretching
The stretching cannula portion of the bottom of outer tube；A screw rod is equipped in the inner sleeve, the screw rod has and the nut portions
The screw thread rod segment of threaded connection and the positioning column being located in outer tube connecting with the screw thread rod segment, the positioning column are connected with
The mandril section being connected with the crank outside the location hole of the outer tube is stretched out, in the positioning column and the housing tube top
The mandril section between portion is equipped with bearing；The axis that the inner sleeve is protruded into across tube wall is equipped on the outer tube
To the anti-turn bolt of guide groove.
2. hand retracting cylinder according to claim 1, it is characterised in that: the outer tube includes outer cylinder tube body and welding
In the plug of the outer bobbin bodies top, the location hole is located on the plug, and the location hole is center positioning round orifice.
3. hand retracting cylinder according to claim 2, it is characterised in that: the wall thickness of the outer cylinder tube body is 4.5 millimeters
~8 millimeters of round tube.
4. hand retracting cylinder according to claim 2 or 3, it is characterised in that: the bearing is thrust bearing.
5. hand retracting cylinder according to claim 4, it is characterised in that: the crank includes being set in the mandril Duan Duan
The crank set of head, crank set is connect by passing across the ball screw nut of crank set and the mandril section with the mandril section, in institute
Crank set is stated equipped with rocking bar.
6. hand retracting cylinder according to claim 5, it is characterised in that: the institute between the crank set and the plug
It states and is arranged with copper packing in mandril section.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887780.9A CN110451421A (en) | 2019-09-19 | 2019-09-19 | Hand retracting cylinder |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910887780.9A CN110451421A (en) | 2019-09-19 | 2019-09-19 | Hand retracting cylinder |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110451421A true CN110451421A (en) | 2019-11-15 |
Family
ID=68492361
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910887780.9A Pending CN110451421A (en) | 2019-09-19 | 2019-09-19 | Hand retracting cylinder |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110451421A (en) |
Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB851533A (en) * | 1957-04-27 | 1960-10-19 | John Burton | Improvements in or relating to adjustable struts |
| JPH078390U (en) * | 1992-11-19 | 1995-02-07 | 理研化機工業株式会社 | jack |
| JP2000017833A (en) * | 1998-06-30 | 2000-01-18 | Nikko Co Ltd | Long jack for framework scaffolding |
| US6280417B1 (en) * | 1999-02-23 | 2001-08-28 | Needberg Technologies, Inc. | Trocar |
| CN2659010Y (en) * | 2003-06-13 | 2004-11-24 | 华林 | Electrodynamic push rod |
| CN101220854A (en) * | 2008-01-24 | 2008-07-16 | 李芬 | Motor push rod |
| CN202063666U (en) * | 2011-04-07 | 2011-12-07 | 宁波大学 | Mechanical type quick jacking device |
| DE102013101083A1 (en) * | 2013-02-04 | 2014-08-07 | Yakita Metal Industry Co., Ltd. | Auxiliary tool for mounting shock absorber for reducing oscillation in e.g. motor car, has rotary element comprising screw hole with internal thread that is precisely fitted to inner pipe body and rotatably arranged at end section |
| CN206918591U (en) * | 2017-06-09 | 2018-01-23 | 深圳耀天齐技术服务有限公司 | A kind of hand-rail type supporting mechanism |
| CN208378304U (en) * | 2018-06-22 | 2019-01-15 | 杭州恒俊科技有限公司 | A kind of hand square tube jack of heavy type for trailer |
| CN210764109U (en) * | 2019-09-19 | 2020-06-16 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Hand-operated telescopic cylinder |
-
2019
- 2019-09-19 CN CN201910887780.9A patent/CN110451421A/en active Pending
Patent Citations (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB851533A (en) * | 1957-04-27 | 1960-10-19 | John Burton | Improvements in or relating to adjustable struts |
| JPH078390U (en) * | 1992-11-19 | 1995-02-07 | 理研化機工業株式会社 | jack |
| JP2000017833A (en) * | 1998-06-30 | 2000-01-18 | Nikko Co Ltd | Long jack for framework scaffolding |
| US6280417B1 (en) * | 1999-02-23 | 2001-08-28 | Needberg Technologies, Inc. | Trocar |
| CN2659010Y (en) * | 2003-06-13 | 2004-11-24 | 华林 | Electrodynamic push rod |
| CN101220854A (en) * | 2008-01-24 | 2008-07-16 | 李芬 | Motor push rod |
| CN202063666U (en) * | 2011-04-07 | 2011-12-07 | 宁波大学 | Mechanical type quick jacking device |
| DE102013101083A1 (en) * | 2013-02-04 | 2014-08-07 | Yakita Metal Industry Co., Ltd. | Auxiliary tool for mounting shock absorber for reducing oscillation in e.g. motor car, has rotary element comprising screw hole with internal thread that is precisely fitted to inner pipe body and rotatably arranged at end section |
| CN206918591U (en) * | 2017-06-09 | 2018-01-23 | 深圳耀天齐技术服务有限公司 | A kind of hand-rail type supporting mechanism |
| CN208378304U (en) * | 2018-06-22 | 2019-01-15 | 杭州恒俊科技有限公司 | A kind of hand square tube jack of heavy type for trailer |
| CN210764109U (en) * | 2019-09-19 | 2020-06-16 | 中国重汽集团柳州运力科迪亚克机械有限责任公司 | Hand-operated telescopic cylinder |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |