CN203483358U - Retractable pipe - Google Patents
Retractable pipe Download PDFInfo
- Publication number
- CN203483358U CN203483358U CN201320520889.7U CN201320520889U CN203483358U CN 203483358 U CN203483358 U CN 203483358U CN 201320520889 U CN201320520889 U CN 201320520889U CN 203483358 U CN203483358 U CN 203483358U
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- CN
- China
- Prior art keywords
- joint
- tube
- outer tube
- switch
- groove
- 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 - Lifetime
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Abstract
The utility model relates to a retractable pipe. The retractable pipe comprises an inner pipe, a joint, a switch base and a switch casing and an outer pipe. The joint is in a sleeve shape, the outer diameter of the joint is inserted inside the inner diameter of one end of the outer pipe and fixed inside the outer pipe, and the inner diameter of the inner pipe, which is inserted inside the joint, extends inside the outer pipe and moves axially inside the joint and the inner diameter of the outer pipe. The retractable pipe has the advantages of being convenient to operate and use, attractive in appearance and capable of improving the locking force of the retractable pipe.
Description
Technical field
The utility model belongs to dust catcher parts, relates in particular to a kind of telescoping tube.
Background technology
Dust collector expansion pipe is the pipeline that connects dust collector suction pipe and suction nozzle, and existing flexible aluminum pipe exists coupling mechanism force defect on the low side, and coupling mechanism force only has 25kg conventionally; When stretching operation, cover for switch only has unclamping of single direction and locking operation.
Summary of the invention
The purpose of this utility model is the technical scheme that proposes a kind of telescoping tube, makes telescoping tube easy to operate and improve the coupling mechanism force of telescoping tube.
To achieve these goals, the technical solution of the utility model is: a kind of telescoping tube, comprises inner tube, joint, switch pedestal, cover for switch and outer tube; Described joint is sleeve-shaped, and sleeve-shaped joint inserts described outer tube one end and is fixed in outer tube, and described inner tube is inserted into outer tube, also can in outer tube, pulls and pushes vertically movement from sleeve-shaped joint;
On the outer wall of inner tube, be provided with vertically gathering sill, in gathering sill, be equidistantly provided with vertically a plurality of location notch holes, on the barrel of joint, be provided with vertically the groove of inner and outer wall under all concaving, described joint barrel negative area embeds in the gathering sill of described inner tube, in groove on the barrel of joint, be provided with locating holes corresponding to location notch hole position in the gathering sill with inner tube, in described locating holes, be provided with cylindrical alignment pin, the axis of described alignment pin is vertical with the axis of inner tube; Inner tube stretches in the gathering sill of outer tube one end also punching Anti-extrusion boss, and when inner tube reaches maximum position from outer tube, described Anti-extrusion boss and joint end face are collided;
Described outer tube with joint barrel on groove correspondence position be provided with switch opening; Described switch pedestal is arranged in the groove of described joint external diameter and slides in the groove of joint external diameter through described switch opening, the bottom surface that switch pedestal contacts with the groove of joint external diameter is provided with the cotter way that both sides are half arc on slope, and the radius of described cotter way is corresponding to the radius of described alignment pin; Described cover for switch is the housing of half arc, cover for switch is sleeved on the outer wall of outer tube, two sides of cover for switch snap in the chute that is located at outer tube two side, the inwall of cover for switch is by dop connecting valve base, and cover for switch is reciprocatingly slided vertically and driven switch pedestal synchronizing moving by described chute guiding on outer tube.
Further, in one end of described inner tube insertion outer tube diameter, be provided with sealing ring; Between the external diameter of described sealing ring and the internal diameter of outer tube, be being slidably matched of sealing.
Further, between the two ends of described switch pedestal and the two ends of the switch opening of outer tube, be respectively provided with one for cushioning the stage clip of reset.
Further, be provided with two locating holes in the groove on the barrel of joint, the spacing of described two locating holes equals the spacing in the middle of the location notch hole in inner tube gathering sill, is provided with an alignment pin in each locating holes.
Further, be provided with joint draw-in groove on the tube wall of described outer tube, be provided with joint dop on the outer wall of described joint, joint is fixed on outer tube by described joint dop and joint draw-in groove.
Further, described inner tube, joint, outer tube are that cross sectional shape is tetragonal body.
The beneficial effects of the utility model are: easy for operation, good looking appearance, has improved the coupling mechanism force of telescoping tube, makes coupling mechanism force reach 30kg; When stretching operation, cover for switch can carry out unclamping and locking operation of twocouese.
Below in conjunction with drawings and Examples, the utility model is described in detail.
Accompanying drawing explanation
Fig. 1 is the utility model outline drawing;
Fig. 2 is the utility model broken away view;
Fig. 3 is that the A of Fig. 1 is to enlarged drawing;
Fig. 4 is that the A of Fig. 1 is to cutaway view.
The specific embodiment
Embodiment mono-,
As Fig. 1, a kind of telescoping tube, comprises inner tube 10, joint 80, switch pedestal 50, cover for switch 40 and outer tube 20; Described joint is sleeve-shaped, and sleeve-shaped joint inserts described outer tube one end and is fixed in outer tube, and described inner tube is inserted into outer tube, also can in outer tube, pulls and pushes vertically movement from sleeve-shaped joint;
On the outer wall of inner tube, be provided with vertically gathering sill 11, in gathering sill, be equidistantly provided with vertically a plurality of location notch holes 12, on the barrel of joint, be provided with vertically the groove 81 of inner and outer wall under all concaving, described joint barrel negative area embeds in the gathering sill of described inner tube, in groove on the barrel of joint, be provided with locating holes 82 corresponding to location notch hole position in the gathering sill with inner tube, in described locating holes, be provided with cylindrical alignment pin 60, the axis of described alignment pin is vertical with the axis of inner tube; Inner tube stretches in the gathering sill of outer tube one end also punching Anti-extrusion boss 14, and when inner tube reaches maximum position from outer tube, described Anti-extrusion boss and joint end face are collided;
Described outer tube with joint barrel on groove correspondence position be provided with switch opening 21; Described switch pedestal is arranged in the groove of described joint external diameter and slides in the groove of joint external diameter through described switch opening, the bottom surface that switch pedestal contacts with the groove of joint external diameter is provided with the cotter way 51 that both sides are half arc on slope, and the radius of described cotter way is corresponding to the radius of described alignment pin;
Described cover for switch is the housing of half arc, cover for switch is sleeved on the outer wall of outer tube, two sides of cover for switch snap in the chute interior 22 that is located at outer tube two side, the inwall of cover for switch is by dop 41 connecting valve bases, and cover for switch is reciprocatingly slided vertically and driven switch pedestal synchronizing moving by described chute guiding on outer tube.
The one end of inserting outer tube diameter in described inner tube is provided with sealing ring 30, and described sealing ring is fixing on inner pipe by dop 31 and draw-in groove 13; Between the external diameter of described sealing ring and the internal diameter of outer tube, be being slidably matched of sealing.
Between the two ends of described switch pedestal and the two ends of the switch opening of outer tube, be respectively provided with one for cushioning the stage clip 70 of reset.
On the tube wall of described outer tube, be provided with joint draw-in groove 23, be provided with joint dop 83 on the outer wall of described joint, joint is fixed on outer tube by described joint dop and joint draw-in groove.
In the present embodiment, be provided with two locating holes in the groove on the barrel of joint, the spacing of described two locating holes equals the spacing in the middle of the location notch hole in inner tube gathering sill, is provided with an alignment pin in each locating holes.
Inner tube, joint, outer tube are that cross sectional shape is tetragonal body.
Principle of the present utility model and the course of work are:
By inner tube, joint, switch pedestal, cover for switch and outer tube sleeve, be connected together and formed telescoping tube, inner tube afterbody port is provided with sealing ring, and sealing ring effect is anti-gas-leak and protects positive inner tube and outer coaxial tube.Inner tube stretches in the gathering sill of outer tube one end also punching Anti-extrusion boss, and when inner tube reaches maximum position from outer tube, described Anti-extrusion boss and joint end face are collided, and to limit inner tube, are drawn out.On the outer wall of inner tube, be provided with gathering sill, and in gathering sill the equidistant groove shape locating hole that is provided with at least more than one vertically, on the head joint of telescoping tube, be provided with locking mechanism, this locking mechanism coordinates for flexible location with the locating hole in inner tube.Locking mechanism is arranged on joint, comprises and is arranged on outside cover for switch, inner switch pedestal, spacer pin, joint and back-moving spring.Spacer pin is in joint square hole.Under stationary state, back-moving spring is in original position, back-moving spring pull switch base, because the bottom surface of switch pedestal is provided with the cotter way that both sides are half arc on slope, its slope is pressed on spacer pin, force spacer pin to press to inner tube, spacer pin is stuck in the locating hole of inner tube, locking mechanism is in the lock state.In the time need to adjusting the length of telescoping tube, catch on the other hand cover for switch, one pull, contracting inner tube, compression reseting spring, moving switch base, is not stressed spacer pin, can be in the locating holes of joint freely upper and lower motion, now inner tube is slided in outer tube and joint, selects suitable locating hole gear, trip switch overcoat, back-moving spring reduction, switch pedestal is also reduced, and locking mechanism relocks, and completes whole telescopic process; Realized unclamping and locking operation of twocouese, made flexible easy to operate.
Claims (6)
1. a telescoping tube, comprises inner tube, joint, switch pedestal, cover for switch and outer tube; It is characterized in that, described joint is sleeve-shaped, and sleeve-shaped joint inserts described outer tube one end and is fixed in outer tube, and described inner tube is inserted into outer tube, also can in outer tube, pulls and pushes vertically movement from sleeve-shaped joint;
On the outer wall of inner tube, be provided with vertically gathering sill, in gathering sill, be equidistantly provided with vertically a plurality of location notch holes, on the barrel of joint, be provided with vertically the groove of inner and outer wall under all concaving, described joint barrel negative area embeds in the gathering sill of described inner tube, in groove on the barrel of joint, be provided with locating holes corresponding to location notch hole position in the gathering sill with inner tube, in described locating holes, be provided with cylindrical alignment pin, the axis of described alignment pin is vertical with the axis of inner tube; Inner tube stretches in the gathering sill of outer tube one end also punching Anti-extrusion boss, and when inner tube reaches maximum position from outer tube, described Anti-extrusion boss and joint end face are collided;
Described outer tube with joint barrel on groove correspondence position be provided with switch opening; Described switch pedestal is arranged in the groove of described joint external diameter and slides in the groove of joint external diameter through described switch opening, the bottom surface that switch pedestal contacts with the groove of joint external diameter is provided with the cotter way that both sides are half arc on slope, and the radius of described cotter way is corresponding to the radius of described alignment pin; Described cover for switch is the housing of half arc, cover for switch is sleeved on the outer wall of outer tube, two sides of cover for switch snap in the chute that is located at outer tube two side, the inwall of cover for switch is by dop connecting valve base, and cover for switch is reciprocatingly slided vertically and driven switch pedestal synchronizing moving by described chute guiding on outer tube.
2. a kind of telescoping tube according to claim 1, is characterized in that, the one end of inserting outer tube diameter in described inner tube is provided with sealing ring; Between the external diameter of described sealing ring and the internal diameter of outer tube, be being slidably matched of sealing.
3. a kind of telescoping tube according to claim 1, is characterized in that, between the two ends of described switch pedestal and the two ends of the switch opening of outer tube, is respectively provided with one for cushioning the stage clip of reset.
4. a kind of telescoping tube according to claim 1, it is characterized in that, in groove on the barrel of joint, be provided with two locating holes, the spacing of described two locating holes equals the spacing in the middle of the location notch hole in inner tube gathering sill, is provided with an alignment pin in each locating holes.
5. a kind of telescoping tube according to claim 1, is characterized in that, is provided with joint draw-in groove on the tube wall of described outer tube, is provided with joint dop on the outer wall of described joint, and joint is fixed on outer tube by described joint dop and joint draw-in groove.
6. a kind of telescoping tube according to claim 1, is characterized in that, described inner tube, joint, outer tube are that cross sectional shape is tetragonal body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520889.7U CN203483358U (en) | 2013-08-26 | 2013-08-26 | Retractable pipe |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320520889.7U CN203483358U (en) | 2013-08-26 | 2013-08-26 | Retractable pipe |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203483358U true CN203483358U (en) | 2014-03-19 |
Family
ID=50254231
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320520889.7U Expired - Lifetime CN203483358U (en) | 2013-08-26 | 2013-08-26 | Retractable pipe |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203483358U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172989A (en) * | 2014-08-25 | 2014-12-03 | 苏州市春菊电器有限公司 | Vacuum cleaner elbow pipe |
| CN104577735A (en) * | 2014-12-07 | 2015-04-29 | 国网山东齐河县供电公司 | Wrong power transmission short-circuit preventing device for meter box vacancy |
| CN105065981A (en) * | 2015-07-29 | 2015-11-18 | 江苏达伦电子股份有限公司 | LED lamp with lighting areas capable of being increased |
-
2013
- 2013-08-26 CN CN201320520889.7U patent/CN203483358U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104172989A (en) * | 2014-08-25 | 2014-12-03 | 苏州市春菊电器有限公司 | Vacuum cleaner elbow pipe |
| CN104577735A (en) * | 2014-12-07 | 2015-04-29 | 国网山东齐河县供电公司 | Wrong power transmission short-circuit preventing device for meter box vacancy |
| CN105065981A (en) * | 2015-07-29 | 2015-11-18 | 江苏达伦电子股份有限公司 | LED lamp with lighting areas capable of being increased |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Tanchong Inventor before: Sun Minghui |
|
| COR | Change of bibliographic data | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 100101 Beijing Beiyuan Road, No. 169, building 6, floor 1, Chaoyang District Patentee after: PUPPY ELECTRONIC APPLIANCES INTERNET TECHNOLOGY (BEIJING) Co.,Ltd. Address before: 100101 Beijing Beiyuan Road, No. 169, building 6, floor 1, Chaoyang District Patentee before: XIAOGOU ELECTRICAL APPLIANCE (BEIJING) CO.,LTD. |
|
| CP03 | Change of name, title or address |
Address after: 7-605, 6th floor, building 1, yard a, Guanghua Road, Chaoyang District, Beijing 100026 Patentee after: Beijing dog vacuum cleaner Group Co.,Ltd. Address before: 100101 6, 1 building, 169 Beiyuan Road, Chaoyang District, Beijing. Patentee before: PUPPY ELECTRONIC APPLIANCES INTERNET TECHNOLOGY (BEIJING) Co.,Ltd. |
|
| CP03 | Change of name, title or address | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140319 |
|
| CX01 | Expiry of patent term |