CN208953205U - Block head, blocking component and plugging device - Google Patents
Block head, blocking component and plugging device Download PDFInfo
- Publication number
- CN208953205U CN208953205U CN201821447253.3U CN201821447253U CN208953205U CN 208953205 U CN208953205 U CN 208953205U CN 201821447253 U CN201821447253 U CN 201821447253U CN 208953205 U CN208953205 U CN 208953205U
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- China
- Prior art keywords
- positioning tube
- block head
- pedestal
- guide rod
- rod
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Abstract
The utility model discloses a kind of block head, blocking component and plugging devices.Block head includes: pedestal, and pedestal is formed with the positioning tube with receiving channel；Guide rod, guide rod can be slidably received in receiving channel and be provided with elastomer between receiving channel, the part that guide rod is stretched out out of positioning tube is formed as stretching out the closure circle for being provided with stop flange in rod segment and being set between stop flange and positioning tube for extending by plugging hole or the stretching rod segment blocked in channel；Guide rod can slide with compresses elastomeric towards positioning tube and make closure circle axial compression and radial outward expansion, to realize that device to hole or channel are especially the closure of tubular thin-wall part to carry out leak test, use plane compared with the existing technology blocks more secure and reliable, it is not easy to leak, and it is smaller to take up space, and replacement is easy, and cost is lower, time-consuming less.
Description
Technical field
It is the utility model relates to hole or the blocking technology field in channel, in particular to a kind of for plugging hole or the envelope in channel
Plug, a kind of blocking component and a kind of plugging device.
Background technique
In general, the cavity of engine, gearbox needs to carry out leak test test, this leak test tests the closure side generallyd use
Formula is that plane blocks, and in the closure for tubular structures such as water pipe, oil pipe nozzles, plane blocks and is not only easy leakage, and
The biggish pressure for being applied to nozzle is easy to make the pipeline of thin-walled to be deformed, or even makes scrap of the product.
In addition, the block head of leak test test belongs to vulnerable part, it is often necessary to replace, common integral type plug and screw thread
The plug of connection not only needs mating extracting tool in replacement, increases cost, and replacement speed is slow, cumbersome.
Utility model content
In view of this, the utility model is directed to a kind of block head, to realize that device to hole or channel are especially tubular thin-walled
To carry out leak test, use plane compared with the existing technology blocks more secure and reliable, it is not easy to leak, and institute for the closure of part
It takes up space smaller, and replaces and be easy, cost is lower, time-consuming less.
In order to achieve the above objectives, the technical solution of the utility model is achieved in that
A kind of block head, the block head include:
Pedestal, the pedestal are formed with the positioning tube with receiving channel；
Guide rod, the guide rod can be slidably received in the receiving channel and between the receiving channel
It is provided with elastomer, the part that the guide rod is stretched out out of described positioning tube is formed as extending by plugging hole or being sealed
Stretching rod segment in stifled channel is provided with stop flange in the stretching rod segment and is set with positioned at the stop flange and described
Closure circle between positioning tube；
Wherein, the guide rod can be slided towards the positioning tube to compress the elastomer and enclose the closure
Axial compression and radial outward expansion.
Through the above technical solutions, since guide rod can be slidably received in the receiving channel of positioning tube, and lead
The part for stretching out positioning tube to bar is formed as stretching out rod segment, in this way, in use, which may be coupled to cylinder or oil cylinder
Etc. on the drive rod of driving devices, and stretching out rod segment can extend into hole or channel, such as tubular thin-wall part, driving device
Drive rod applies axial thrust, and the cavity etc. that the front end due to stretching out rod segment can abut to engine, gearbox needs to carry out
In the component of leak test test, stretching out rod segment will slide towards positioning tube, so that the closure circle axis between stop flange and positioning tube
Radial outward expansion squeezes contact hole or channel to compression, realize device to hole or channel be especially the closure of tubular thin-wall part so as to
Leak test is carried out, use plane compared with the existing technology blocks more secure and reliable, it is not easy to it leaks, and it is smaller to take up space,
When needing to dismantle, driving device release axial thrust, guide rod can under the action of elastomer remotely located cylinder and to seal
Stifled circle restores to the original state, and can will stretch out rod segment and take out out of hole or channel, and when closure circle needs replacing, it is only necessary under disassembly
Guide rod, replacement are easy, and cost is lower, time-consuming less.
Further, the circle that blocks is multiple and is separated by spacer of the sliding sleeve in the stretching rod segment.
Further, the closure circle is two, and a closure circle is between the spacer and the positioning tube, separately
One closure circle is between the positioning tube and the stop flange.
Further, it is formed with axially directed slot on the barrel of the positioning tube, is provided with guide pin on the guide rod,
The guide pin can axially slidably cooperate with the axially directed slot.
Further, it is provided with limited block on the pedestal, limit sleeve, the limit sleeve are set on the positioning tube
Axial initial gap is formed between the limited block, the guide rod drives the limit when sliding towards the positioning tube
Set is moved to the position for contacting the limited block towards the limited block.
Further, the guide pin is radially pierced by from the axially directed slot and is connected to the limit sleeve.
In addition, the front end face for stretching out rod segment is provided with resilient pressure pad.
In addition, the pedestal is formed with installation pillar or installation counterbore for block head installation positioning, the installation
The side of pillar or the installation counterbore is formed with mounting pin plug-in opening.
In addition, the utility model provides a kind of blocking component, the blocking component includes connection pedestal and any of the above institute
The block head stated, wherein the pedestal and the connection pedestal are detachably connected.
In this way, connection pedestal can be connected with the drive rod of driving device, when needing replacing, i.e., replaceable block head is
It can.
Finally, the utility model provides a kind of plugging device, the plugging device includes the driving with flexible drive rod
Block head described in device and any of the above, wherein the pedestal and the flexible drive rod are detachably connected；Alternatively, described
Plugging device includes driving device and above-described blocking component with flexible drive rod, wherein the connection pedestal with
The flexible drive rod connection.
In this way, as described above, which can be realized device to hole or channel be especially the closure of tubular thin-wall part with
Just leak test is carried out, use plane compared with the existing technology blocks more secure and reliable, it is not easy to leak, and take up space more
It is small, and replace and be easy, cost is lower, time-consuming less.
Other features and advantages of the utility model will the following detailed description will be given in the detailed implementation section.
Detailed description of the invention
The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new
The exemplary embodiment and its explanation of type are not constituteed improper limits to the present invention for explaining the utility model.
In the accompanying drawings:
Fig. 1 is a kind of schematic perspective view of plugging device described in specific embodiment of the present invention；
Fig. 2 is the schematic cross-sectional view at a visual angle of the plugging device of Fig. 1.
Specific embodiment
It should be noted that in the absence of conflict, the spy in embodiment and embodiment in the utility model
Sign can be combined with each other.
The utility model is described in detail below with reference to the accompanying drawings and in conjunction with embodiment.
Structure as depicted in figs. 1 and 2, block head provided by the utility model include pedestal 1 and guide rod 4, wherein seat
Body 1 is formed with the positioning tube 3 with receiving channel 2；Guide rod 4 can be slidably received in receiving channel 2 and and accommodate
Elastomer 5 is provided between channel 2, the part that guide rod 4 is stretched out out of positioning tube 3 is formed as stretching out rod segment 6, in the block head
In actual use, rod segment 6 is stretched out for extending by plugging hole or being blocked in channel, it is convex to be provided with blocking in stretching rod segment 6
Edge 7 and the closure circle 8 being set between stop flange 7 and positioning tube 3；Wherein, guide rod 4 can be sliding towards positioning tube 3
It moves with compresses elastomeric 5 and makes closure 8 axial compressions of circle and radial outward expansion.
In the technical scheme, it since guide rod can be slidably received in the receiving channel of positioning tube, and is oriented to
The part that bar stretches out positioning tube is formed as stretching out rod segment, in this way, in use, which may be coupled to cylinder or oil cylinder etc.
On the drive rod of driving device, and stretching out rod segment can extend into hole or channel, such as tubular thin-wall part, the drive of driving device
Lever applies axial thrust, and the cavity etc. that the front end due to stretching out rod segment can abut to engine, gearbox is tried
In the component of test leakage examination, stretching out rod segment will slide towards positioning tube, so that the closure circle between stop flange and positioning tube is axial
Be pressurized and radial outward expansion squeezes contact hole or channel, realize device to hole or channel be especially the closure of tubular thin-wall part so as into
Row leak test, use plane compared with the existing technology block more secure and reliable, it is not easy to leak, and it is smaller to take up space, need
When dismantling, driving device release axial thrust, guide rod can under the action of elastomer remotely located cylinder and to block
Circle restores to the original state, and can will stretch out rod segment and take out out of hole or channel, and when closure circle needs replacing, it is only necessary to it is led under disassembly
To bar, replacement is easy, and cost is lower, time-consuming less.
Elastomer 5 can be rubber block, or can be the spring of diagram.
Certainly, in the block head, the quantity for blocking circle 8 can select according to actual needs, for example, blocking circle 8 can
One is thought, alternatively, the quantity of closure circle 8 can be for multiple such as 2 or 3 and by sliding sleeve in stretching rod segment 6
Spacer 9 separate, in this way, multiple closure are enclosed 8 and will positioned when guide rod 4 is slided towards positioning tube 3 with compresses elastomeric 5
Cylinder, stop flange and spacer interaction under axial compression and radial outward expansion.
Further, in order to simplify structure while realize more stable and reliable closure, it is preferable that as shown in Fig. 1 and Fig. 2
, blocking circle 8 is two, and between spacer 9 and positioning tube 3, another blocks circle and is located at positioning tube 3 and resistance a closure circle
It keeps off between flange 7.In this way, multiple closure circles 8 will position when guide rod 4 is slided towards positioning tube 3 with compresses elastomeric 5
Cylinder, stop flange and spacer interaction under axial compression and radial outward expansion.
In addition, on the basis of block head described in any of the above, it is reliable in axial sliding in order to promote guide rod 4
Property and stability, avoid guide rod 4 relative to positioning tube 3 rotate, it is preferable that be formed on the barrel of positioning tube 3 axially directed
Slot (not shown) is provided with guide pin 10 on guide rod 4, and guide pin 10 can axially slidably match with axially directed slot
It closes.In this way, being slidably matched by guide pin 10 and axially directed slot, can guide guide rod 4 smoothly to move axially.
Certainly, guide pin 10 directly through axially directed slot and can be connected to guide rod 4 from the outside of positioning tube 3,
When disassembly, guide pin 10 need to only be dismantled from guide rod 4 lower.Alternatively, guide pin 10 passes through elastic component such as spring energy
Enough to be telescopically arranged in the radial hole of guide rod 4, under the action of the spring, guide pin 10 is extend into axially directed slot, is torn open
When unloading, guide pin 10 only need to radially-inwardly be squeezed to the axially directed slot of disengaging can be by guide rod 4 under positioning tube disassembly.
Certainly, 8 radially outer swell incremenies of circle are blocked in order to accurately control, it is, above-mentioned driving device is to pedestal 1
The amount of movement of guide rod 4 when applying thrust, it is preferable that as depicted in figs. 1 and 2, it is provided with limited block 11 on pedestal 1, positions
It is set with limit sleeve 12 on cylinder 3, is formed with axial initial gap between limit sleeve 12 and limited block 11, guide rod 4 is towards positioning
Limit sleeve 12 is driven to be moved to the position of contact limited block 11 towards limited block 11 when cylinder 3 slides.In this way, when guide rod 4 slides
Limit sleeve 12 is driven to be moved to the position of contact limited block 11, the resistance due to limited block 11 to limit sleeve 12 towards limited block 11
Gear, driving device will stop applying axial thrust, at this point, blocking 8 radial outward expansions of circle is up to swell increment appropriate, with suitable
Hole or channel to be blocked for required aperture.
Certainly, the axial initial gap formed between limit sleeve 12 and limited block 11 is adjustable, such as adjustment limit sleeve
12 and guide rod 4 axially coupled position, and/or, adjust limited block 11 relative to the axially mounted position on pedestal 1.
Certainly, the connection of limit sleeve 12 and guide rod 4 can be realized in several ways, for example, the stretching of guide rod 4
The front end of rod segment is connect by connecting rod with the end of limit sleeve 12；
Alternatively, guide pin 10 can be made full use of, it is, guide pin 10 is radially pierced by and is connected to from axially directed slot
Limit sleeve 12.It is then attached to for example, guide pin 10 can be penetrated from the jacket wall of limit sleeve 12 and pass through axially directed slot
Guide rod 4, in this way, axially guide groove, guide rod 4 can drive 12 synchronizing moving of limit sleeve.
In addition, as described above, the front end due to stretching out rod segment can abut to the needs such as the cavity of engine, gearbox
In the component for carrying out leak test test, therefore, in order to avoid stretching out the front end of rod segment to the components interior surface for carrying out leak test test
It causes to damage, it is preferable that as depicted in figs. 1 and 2, the front end face for stretching out rod segment 6 is provided with resilient pressure pad 13.In this way, elastic
Pressure pad 13 can play the role of protective buffering.
Certainly, resilient pressure pad 13 can be connected to the front end for stretching out rod segment 6 by various ways such as screw or snap fits
On face.
In addition, for the ease of block head connection, and it is conveniently replaceable block head, it is preferable that as depicted in figs. 1 and 2, seat
Body 1 is formed with installation pillar 14 or installation counterbore for block head installation positioning, installs pillar 14 or installs the side of counterbore
Portion is formed with mounting pin plug-in opening.In this way, as shown in the figure, it can be cooperated by the inserting of mounting pin 18 and mounting pin spliced eye
And block head is connected on connection pedestal.And when needed, it is only necessary to dismantle lower mounting pin 18, can both replace envelope as needed
Plug or maintenance block head.
In addition, as depicted in figs. 1 and 2, the utility model provides a kind of blocking component, which includes linker
Block head described in seat 15 and any of the above, wherein pedestal 1 and connection pedestal 15 are detachably connected.In this way, can will connect
Pedestal is connected with the drive rod of driving device, when needing replacing, i.e., replaceable block head.
Finally, the utility model provides a kind of plugging device, which includes the driving with flexible drive rod 16
Block head described in device 17 and any of the above, wherein pedestal 1 and flexible drive rod 16 are detachably connected；
Alternatively,
Plugging device includes driving device and above-described blocking component with flexible drive rod 16, wherein connection
Pedestal 15 and flexible drive rod 16 connect.
In this way, as above, which can be realized device to hole or channel be especially the closure of tubular thin-wall part so as into
Row leak test, use plane compared with the existing technology block more secure and reliable, it is not easy to it leaks, and it is smaller to take up space, and
And compared with the existing technology in threaded connection for replace and be easy, cost is lower, time-consuming less.
The above is only the better embodiments of the utility model, are not intended to limit the utility model, all in this reality
Within novel spirit and principle, any modification, equivalent replacement, improvement and so on should be included in the utility model
Within protection scope.
Claims (10)
1. a kind of block head, which is characterized in that the block head includes:
Pedestal (1), the pedestal (1) are formed with the positioning tube (3) with receiving channel (2)；
Guide rod (4), the guide rod (4) can be slidably received in the receiving channel (2) and lead to described accommodate
It is provided between road (2) elastomer (5), the part that the guide rod (4) is stretched out out of the positioning tube (3) is formed as stretching
Enter to by plugging hole or the stretching rod segment (6) blocked in channel, is provided with stop flange (7) simultaneously on the stretching rod segment (6)
The closure circle (8) being set between the stop flange (7) and the positioning tube (3)；
Wherein, the guide rod (4) can be slided towards the positioning tube (3) to compress the elastomer (5) and make described
Block circle (8) axial compression and radial outward expansion.
2. block head according to claim 1, which is characterized in that the closure circle (8) is multiple and by sliding suit
Spacer (9) on stretching rod segment (6) separates.
3. block head according to claim 2, which is characterized in that the closure circle (8) is two, and a closure circle is located at
Between the spacer (9) and the positioning tube (3), another blocks circle and is located at the positioning tube (3) and the stop flange (7)
Between.
4. block head according to claim 1, which is characterized in that be formed with axial lead on the barrel of the positioning tube (3)
It to slot, is provided with guide pin (10) on the guide rod (4), the guide pin (10) can axially slidably lead with the axial direction
Cooperate to slot.
5. block head according to claim 4, which is characterized in that it is provided with limited block (11) on the pedestal (1), it is described
It is set with limit sleeve (12), is formed between the limit sleeve (12) and the limited block (11) axial initial on positioning tube (3)
Interval, the guide rod (4) drive the limit sleeve (12) towards the limited block (11) when sliding towards the positioning tube (3)
It is moved to the position for contacting the limited block (11).
6. block head according to claim 5, which is characterized in that the guide pin (10) is radial from the axially directed slot
It is pierced by and is connected to the limit sleeve (12).
7. block head according to claim 1, which is characterized in that the front end face setting for stretching out rod segment (6) is flexible
Pressure pad (13).
8. block head according to claim 1, which is characterized in that the pedestal (1) is formed with installs for the block head
The side of the installation pillar (14) or installation counterbore of positioning, installation pillar (14) or the installation counterbore is formed with mounting pin
Plug-in opening.
9. a kind of blocking component, which is characterized in that the blocking component includes connecting in pedestal (15) and according to claim 1-8
Block head described in any one, wherein the pedestal (1) and the connection pedestal (15) are detachably connected.
10. a kind of plugging device, which is characterized in that the plugging device includes the driving device with flexible drive rod (16)
(17) and according to claim 1 block head described in any one of -8, wherein the pedestal (1) and the flexible drive rod
(16) it is detachably connected；Alternatively,
The plugging device includes driving device and closure group according to claim 9 with flexible drive rod (16)
Part, wherein the connection pedestal (15) and the flexible drive rod (16) connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447253.3U CN208953205U (en) | 2018-09-04 | 2018-09-04 | Block head, blocking component and plugging device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821447253.3U CN208953205U (en) | 2018-09-04 | 2018-09-04 | Block head, blocking component and plugging device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208953205U true CN208953205U (en) | 2019-06-07 |
Family
ID=66737005
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821447253.3U Active CN208953205U (en) | 2018-09-04 | 2018-09-04 | Block head, blocking component and plugging device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208953205U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839449A (en) * | 2023-02-15 | 2023-03-24 | 南京泰普森自动化设备有限公司 | Expansion plug sealing device |
-
2018
- 2018-09-04 CN CN201821447253.3U patent/CN208953205U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115839449A (en) * | 2023-02-15 | 2023-03-24 | 南京泰普森自动化设备有限公司 | Expansion plug sealing device |
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