CN202411254U - Locking device of pipe expander - Google Patents
Locking device of pipe expander Download PDFInfo
- Publication number
- CN202411254U CN202411254U CN2011205759513U CN201120575951U CN202411254U CN 202411254 U CN202411254 U CN 202411254U CN 2011205759513 U CN2011205759513 U CN 2011205759513U CN 201120575951 U CN201120575951 U CN 201120575951U CN 202411254 U CN202411254 U CN 202411254U
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- CN
- China
- Prior art keywords
- fixture block
- clamping part
- locking device
- pedestal
- opening
- 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
本实用新型公开了一种胀管机的锁紧装置，包括基座，基座顶部设有可置入U型管的固定槽，固定槽侧面设有开口，一夹块通过转轴与基座铰接，夹块转动端设有夹持部，夹持部随夹块的转动在一穿过开口进入固定槽勾住U形管的锁定位置和一经开口从固定槽中退出的解锁位置之间来回转换，夹块与基座之间设有复位机构，夹持部在复位机构的作用下处于解锁位置，基座上设有一可向夹块滑移的推杆，推杆驱使夹块克服复位机构的阻力转动以将夹持部转入锁定位置。当推杆松开夹块，由于复位机构作用，夹持部经开口从固定槽中退出，自动松开U型管。结构简单，减少发生故障的几率，且所占的体积较小，节约空间，提高了胀管机的工作效能。
The utility model discloses a locking device for a tube expander, including a base, a fixing groove for inserting a U-shaped tube is provided on the top of the base, an opening is provided on the side of the fixing groove, a clamping block is hinged with the base through a rotating shaft, a clamping part is provided at the rotating end of the clamping block, and the clamping part switches back and forth between a locking position where the clamping block passes through the opening to enter the fixing groove and hook the U-shaped tube and an unlocking position where the clamping part withdraws from the fixing groove through the opening as the clamping block rotates, a reset mechanism is provided between the clamping block and the base, and the clamping part is in the unlocking position under the action of the reset mechanism, and a push rod that can slide toward the clamping block is provided on the base, and the push rod drives the clamping block to overcome the resistance of the reset mechanism and rotate to transfer the clamping part to the locking position. When the push rod releases the clamping block, due to the action of the reset mechanism, the clamping part withdraws from the fixing groove through the opening, and the U-shaped tube is automatically released. The structure is simple, the probability of failure is reduced, and the volume occupied is small, which saves space and improves the working efficiency of the tube expander.
Description
(1) technical field:
The utility model relates to a kind of locking device of electric tube expander.
(2) background technology:
In electric tube expander,, use the fixedly bottom of U type pipe of locking device usually at present in order to fix U type copper pipe; The structure of this locking device such as my department are 200810029888.6 in the patent No.; Patent name: described in " a kind of U type pipe locking device ": comprise pedestal, be provided with the U type groove that cooperates with U type pipe in seat head, pedestal is provided with locating shaft; Be hinged with the left and right fixture block of two symmetries on the locating shaft; Left and right fixture block head is respectively equipped with the groove that cooperates with U type pipe, tilts to be provided with left and right track groove in the opposite direction respectively on the left and right fixture block, and the pedestal both sides are provided with straight trough; The pedestal afterbody also is provided with push rod; The push rod head is connected with a shifting axle, and this shifting axle passes the oblique track groove of left and right fixture block and the straight trough of pedestal slidably respectively, also is set with one on the push rod and can makes left and right fixture block realize the spring of tension self-locking.This locking device structure is complicated, and owing to need all reserve the movable room of left and right fixture block in the both sides of locking device during assembling, institute takes up space big, can't adapt to the development trend that copper pipe is more and more, volume is more and more compacter that the electric tube expander needs are installed.
(3) utility model content:
In order to overcome the deficiency of prior art, the purpose of the utility model provides a kind of simple in structure, locking device that the little efficient of volume is high.
The utility model is to realize through following technical scheme:
A kind of locking device of electric tube expander, wherein: comprise pedestal, the pedestal top is provided with the holddown groove that can insert U type pipe; The holddown groove side is provided with opening; One fixture block is hinged through rotating shaft and pedestal, and fixture block rotates end and is provided with clamping part, and clamping part passes opening entering holddown groove with the rotation of fixture block one and catch on the latched position of U-shaped pipe and transition back and forth between the unlocked position that opening withdraws from from holddown groove; Be provided with resetting-mechanism between fixture block and the pedestal; Clamping part is in the unlocked position under the effect of resetting-mechanism, and pedestal is provided with one can be to the push rod of fixture block slippage, and push rod orders about the resistance that fixture block overcomes resetting-mechanism and rotates to change clamping part over to latched position.
Compared with prior art, the utility model upwards promotes fixture block through push rod, and the clamping part of fixture block passes opening entering holddown groove with the fixture block rotation and catches on the U-shaped pipe; When push rod unclamped fixture block, because the resetting-mechanism action, clamping part withdrawed from from holddown groove through opening, unclamps U type pipe automatically.Simple in structure, reduce the probability break down, and shared volume is less, conserve space has improved the task performance of electric tube expander.
Above-mentioned described resetting-mechanism is a spring, and spring one end is connected with the clamping part middle part is inboard, and the other end is connected with pedestal.
Above-mentioned said pedestal sidepiece is provided with cavity, and base bottom is provided with through hole and is communicated with cavity, and said fixture block is installed in the cavity; Said push rod comprises the interconnective pushing block and the body of rod; Pushing block is positioned at cavity, and the pushing block end face cooperates with the fixture block bottom surface, and the body of rod passes through hole and reaches outside the pedestal.More compact structure.
Above-mentioned described clamping part inboard is provided with the U type groove that cooperates with U type pipe arc sections.U type groove can increase the contact area of clamping part and U type pipe arc sections, makes grip better.
Above-mentioned said holddown groove is a slot, and described opening is located on the side of slot bottom.
Inboard, above-mentioned described fixture block bottom surface is protruding with limited block, and said pushing block end face is provided with stopper slot, and when locking device was in locking state, described limited block was embedded on the stopper slot.
Above-mentioned said fixture block is inboard, the clamping part below is provided with a groove, and said spring is installed in the groove, and an end of spring is pressed on the fixture block, and the other end is pressed on the madial wall of said cavity.
(4) description of drawings:
Fig. 1 is the structural representation of the utility model;
Front view when Fig. 2 is the utility model releasing orientation;
Fig. 3 is the cut-away view of Fig. 2;
Cut-away view when Fig. 4 is the utility model locking shape shape;
Fig. 5 is the structural representation of fixture block in the utility model.
(5) specific embodiment:
Below in conjunction with accompanying drawing the utility model is done detailed explanation:
As shown in the figure, the utility model comprises pedestal 1, and pedestal 1 top is provided with the holddown groove 2 that can insert U type pipe, and holddown groove 2 sides are provided with opening 3, and pedestal 1 sidepiece is provided with cavity 4, and pedestal 1 bottom is provided with through hole 5 and is communicated with cavity 4; One fixture block 6 is installed in the said cavity 4; Fixture block 6 is hinged through rotating shaft 7 and pedestal 1, and fixture block 6 rotates end and is provided with clamping part 8, and clamping part 8 passes opening 3 entering holddown grooves 2 with the rotation of fixture block 6 one and catch on the latched position of U-shaped pipe and transition back and forth between the unlocked position that opening 3 withdraws from from holddown groove 2; Be provided with resetting-mechanism between fixture block 6 and the pedestal 1; Clamping part 8 is in the unlocked position under the effect of resetting-mechanism, and pedestal 1 is provided with one can be to the push rod 9 of fixture block 6 slippages, and push rod 9 comprises the interconnective pushing block 10 and the body of rod 11; Pushing block 10 is positioned at cavity 4 bottoms, and the body of rod 11 passes through hole 5 and reaches outside the pedestal 1.Pushing block 10 orders about the resistance that fixture block 6 overcomes resetting-mechanism and rotates to change clamping part 8 over to latched position.
The operation principle of the utility model is following: under the state, the clamping part 8 of fixture block 6 is positioned at outside the holddown groove 1 usually, and locking device is in released state, and pushing block 10 is positioned at cavity 4 bottoms; In U type pipe got into holddown groove 2, the controller of electric tube expander upwards applied certain force to push rod 9, and at this moment pushing block 10 tops promote fixture block 6, and clamping part 8 passes opening 3 entering holddown grooves 2 and catches on the U-shaped pipe, and locking device is in latched position; After external force disappeared, because the effect of resetting-mechanism, clamping part 8 withdrawed from from holddown groove 2 through opening 3, unclamps U type pipe, and simultaneously, pushing block 10 leaves fixture block 6 and drops to cavity 4 bottoms, and the base angle, the outside of fixture block 6 is against on the end face of pushing block 10.
As preference, above-mentioned said holddown groove 2 is a slot, and the slot bottom sides is provided with opening 3, and said clamping part 8 stretches in the holddown groove 2 from opening 3.The design of slot can make the fixing more convenient firm of U type pipe.Described clamping part 8 inboards are provided with the U type groove 12 that cooperates with U type pipe arc sections.U type groove 12 can increase the contact area of clamping part 8 and U type pipe arc sections, makes grip better.Said fixture block 6 inboards, clamping part 8 belows are provided with a groove 13, and said resetting-mechanism is one to be installed in the spring 14 in the groove 13, and an end of spring 14 is pressed on the fixture block 6, and the other end is pressed on the madial wall of said cavity 4.
The fixture block bottom surface is better with cooperating of pushing block end face when making locking state; Inboard, above-mentioned described fixture block 6 bottom surface is protruding with limited block 15; Said pushing block 10 end faces are provided with stopper slot 16, and when locking device was in locking state, described limited block 15 was embedded on the stopper slot 16.
The foregoing description is the preferred embodiments of the utility model; But the embodiment of the utility model is not limited thereto; Other are any not to deviate from change, the modification done under spirit and the principle of the utility model, substitute, combination, simplify; Be the substitute mode of equivalence, be included within the protection domain of the utility model.
Claims (7)
1. the locking device of an electric tube expander; It is characterized in that: comprise pedestal; The pedestal top is provided with the holddown groove that can insert U type pipe, and the holddown groove side is provided with opening, and a fixture block is hinged through rotating shaft and pedestal; Fixture block rotates end and is provided with clamping part; Clamping part with the rotation of fixture block one pass that opening gets into that holddown groove catches on the latched position of U-shaped pipe and between the unlocked position that opening withdraws from from holddown groove transition back and forth, be provided with resetting-mechanism between fixture block and the pedestal, clamping part is in the unlocked position under the effect of resetting-mechanism; Pedestal is provided with one can be to the push rod of fixture block slippage, and push rod orders about the resistance that fixture block overcomes resetting-mechanism and rotates to change clamping part over to latched position.
2. the locking device of a kind of electric tube expander according to claim 1, it is characterized in that: described resetting-mechanism is a spring, and spring one end is connected with the clamping part middle part is inboard, and the other end is connected with pedestal.
3. the locking device of a kind of electric tube expander according to claim 2; It is characterized in that: said pedestal sidepiece is provided with cavity, and base bottom is provided with through hole and is communicated with cavity, and said fixture block is installed in the cavity; Said push rod comprises the interconnective pushing block and the body of rod; Pushing block is positioned at bottom, and the pushing block end face cooperates with the fixture block bottom surface, and the body of rod passes through hole and reaches outside the pedestal.
4. according to the locking device of claim 1,2 or 3 described a kind of electric tube expanders, it is characterized in that: described clamping part inboard is provided with the U type groove that cooperates with U type pipe arc sections.
5. according to the locking device of claim 1,2 or 3 described a kind of electric tube expanders, it is characterized in that: said holddown groove is a slot, and described opening is located on the side of slot bottom.
6. the locking device of a kind of electric tube expander according to claim 3, it is characterized in that: inboard, described fixture block bottom surface is protruding with limited block, and said pushing block end face is provided with stopper slot, and when locking device was in locking state, described limited block was embedded on the stopper slot.
7. the locking device of a kind of electric tube expander according to claim 3; It is characterized in that: said fixture block is inboard, the clamping part below is provided with a groove; Said spring is installed in the groove, and an end of spring is pressed on the fixture block, and the other end is pressed on the madial wall of said cavity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205759513U CN202411254U (en) | 2011-12-31 | 2011-12-31 | Locking device of pipe expander |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011205759513U CN202411254U (en) | 2011-12-31 | 2011-12-31 | Locking device of pipe expander |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202411254U true CN202411254U (en) | 2012-09-05 |
Family
ID=46736050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011205759513U Expired - Lifetime CN202411254U (en) | 2011-12-31 | 2011-12-31 | Locking device of pipe expander |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202411254U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896240A (en) * | 2011-12-31 | 2013-01-30 | 中山市奥美森工业有限公司 | A locking device for a tube expander |
| CN105855412A (en) * | 2016-05-30 | 2016-08-17 | 常州市常蒸热交换器科技有限公司 | Pipe expander for condenser |
| CN108772493A (en) * | 2018-06-19 | 2018-11-09 | 格力电器（芜湖）有限公司 | Expansion head structure, expansion head unit and pipe expander |
-
2011
- 2011-12-31 CN CN2011205759513U patent/CN202411254U/en not_active Expired - Lifetime
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102896240A (en) * | 2011-12-31 | 2013-01-30 | 中山市奥美森工业有限公司 | A locking device for a tube expander |
| CN102896240B (en) * | 2011-12-31 | 2015-01-28 | 中山市奥美森工业有限公司 | Locking device of pipe expander |
| CN105855412A (en) * | 2016-05-30 | 2016-08-17 | 常州市常蒸热交换器科技有限公司 | Pipe expander for condenser |
| CN105855412B (en) * | 2016-05-30 | 2018-01-09 | 常州市常蒸热交换器科技有限公司 | Condenser electric tube expander |
| CN108772493A (en) * | 2018-06-19 | 2018-11-09 | 格力电器（芜湖）有限公司 | Expansion head structure, expansion head unit and pipe expander |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 528400 Guangdong province Zhongshan City, New Road No. 01 of Patentee after: Aomei gloomy intelligence equipment limited company Address before: 528400 Guangdong province Zhongshan City, New Road No. 01 of Patentee before: Zhongshan Aomeisen Industrial Co., Ltd. |
|
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20120905 |