CN208827124U - A kind of plastics tube end determines mouth fixture - Google Patents
A kind of plastics tube end determines mouth fixture Download PDFInfo
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- CN208827124U CN208827124U CN201821343976.9U CN201821343976U CN208827124U CN 208827124 U CN208827124 U CN 208827124U CN 201821343976 U CN201821343976 U CN 201821343976U CN 208827124 U CN208827124 U CN 208827124U
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- claw
- chuck
- ratchet wheel
- hole
- guide post
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Abstract
The utility model discloses a kind of plastics tube ends to determine mouth fixture, including circular chuck, and what the center of chuck was axially fixed is extended with guide post to fore side, and adaptation is socketed with ratchet wheel in guide post；Ratchet wheel at least with the dynamic cooperation in the operating side of 3 claws, be respectively a circumference with the virtual line of chalaza spatially, the center of circle of the circumference moves up dynamic with movement of the ratchet wheel in guide post in chuck axis；Chuck be equipped with the consistent claw hole of claw quantity, claw hole be the long hole for penetrating through chuck, and in the circumference spaced at equal angles around of chuck, length direction is the radial direction of chuck, and width is adapted to claw width, and the material end of claw is across claw hole；The fore side of chuck is equipped with claw hinge joint, and the middle part of claw is hingedly point articulated with claw, and the both ends of claw and middle part is made to constitute lever mechanism.The beneficial effects of the utility model are: the complexity of clamp operation is greatly decreased under the premise of ensuring concentricity by the way of synchronous clamping.
Description
Technical field
The utility model belongs to plastic pipe manufacture field, the plastics tube end of specifically a kind of plastic pipe for short neck
Determine mouth fixture.
Background technique
It is directed to the plastic pipe of short neck, such as the ring flange of plastics at present, lacks proper fixture.Chinese patent text
CN103568319A is offered to disclose on 2 12nd, 2014 " a kind of process equipment and method of plastic conduit connecting piece ", including
Operating platform, operating platform, which is provided centrally with, can fix or discharge the first fixture of supervisor, positioned at the multiple of the first fixture periphery
Can fix or discharge the second fixture of branched pipe, make the second fixture along the driving mechanism that operating platform radially moves and can on
The heating element of lower movement is fixed multiple branched pipes with the second fixture, branch its advantage is that being fixed supervisor with the first fixture
The port of pipe is aligned with the connecting hole of supervisor, and heating element moves down the connecting hole for making the medial surface of heating element be close to supervisor, is driven
Dynamic mechanism urges branched pipe is extremely close to the lateral surface of heating element；Heating element fever is simultaneously by connecting hole outside and branched pipe
Inner face fusing；After removing heating element, driving mechanism continues to press on branched pipe and makes the inner face and connecting hole pair of branched pipe
Fusion is connect, sewer pipe completes.The applicant declares that the invention is welded one by one relative to traditional craft, has efficiency
The advantages of height, high yield rate.Being used to clamp the fixture of pipe fitting on the market at present is largely chute-type, and four are provided on chuck
A symmetrical sliding slot to center and clamps pipe fitting by individually adjusting the position of sliding block, in this way there are four nonsynchronous sliding block
Difficult tune very troublesome is operated, clamping effect is also unsatisfactory, causes operating efficiency relatively low, welding quality is also affected.
Summary of the invention
Based on problem above, the utility model provides a kind of plastics tube end and determines mouth fixture, using the side of synchronous clamping
The complexity of clamp operation is greatly decreased in formula under the premise of ensuring concentricity.
In order to realize goal of the invention, the utility model adopts the following technical solution: a kind of plastics tube end determines mouth fixture, wraps
Circular chuck is included, what the center of chuck was axially fixed is extended with guide post to fore side, and adaptation is socketed with pawl in guide post
Wheel；Ratchet wheel at least with the dynamic cooperation in the operating side of 3 claws, be respectively a circumference with the virtual line of chalaza spatially, should
The center of circle of circumference moves up dynamic with movement of the ratchet wheel in guide post in chuck axis；Chuck is equipped with consistent with claw quantity
Claw hole, claw hole are the long hole for penetrating through chuck, and in the circumference spaced at equal angles around of chuck, length direction is the radial direction of chuck,
Width is adapted to claw width, and the material end of claw passes through claw hole；The fore side of chuck is equipped with claw hinge joint, in claw
Portion is hingedly point articulated with claw, and the both ends of claw and middle part is made to constitute lever mechanism.
The plastics tube end of this programme design determines mouth fixture, and design has a circular chuck, and the chuck of working condition is vertical
To placement, axis horizontal, the side of chuck is fore side, the other side is material side close to plastic tube close to operator.
What the center of chuck was axially fixed is extended with guide post to fore side, a ratchet wheel is socketed in guide post, ratchet wheel can edge
The axial movement of guide post.That cooperation is moved on ratchet wheel is connected with claw, and quantity is at least 3, and respectively matches chalaza spatially
Virtual line be a circumference, the center of circle of the circumference moves up dynamic with movement of the ratchet wheel in guide post in chuck axis.Card
What is penetrated through on disk is provided with claw hole, and arrangement form is the circumference spaced at equal angles around of chuck, and length direction is the diameter of chuck
To width is adapted to claw width.The operating side of claw and the dynamic cooperation of ratchet wheel, material end passes through claw hole, is exposed to chuck
Material side.And the fore side design of chuck has claw hinge joint, by the hinged relationship with claw hinge joint, ratchet wheel is made to drive card
The movement of pawl operating side influences grabbing, putting movement for claw material end.Claw hole is angularly arranged, the material of each claw
The line in end its space at any time is also a circumference, and shifting of the center of circle of the circumference equally with ratchet wheel in guide post
It moves and is moved up in chuck axis dynamic.After designing in this way, make axial movement ratchet wheel of the operator in fore side along guide post, so that it may
With the opening of each claw of synchronous drive in gathering, during opening or gathering, although the circle that claw material end surrounds is straight
Diameter is changing, but center location is always positioned on chuck axis.It is possible thereby to easily clamp plastics tube end, and easily
The center location of plastics tube end is determined, thus by the center of circle face of two plastics tube ends.In general, this programme is more applicable
, rigidity stronger plastic straighttube shorter in length, such as plastic flange.
Preferably, the guide post is screw rod, ratchet wheel is threadedly coupled on screw rod；The lateral wall of the ratchet wheel is equipped with
The extending direction of claw limiting slot, claw limiting slot is circle, and the center of circle is located on chuck axis；The operating side of claw is ball
The cross sectional shape mouth underbelly of shape, claw limiting slot is big, and being set in claw limiting slot for operating side adaptation of claw can be rotated.Operation
The movement of person's direct pull ratchet wheel is very inconvenient, therefore guide post and ratchet wheel are designed as being threadedly coupled by this programme, and in ratchet wheel
On devise a circle claw limiting slot, the section of the claw limiting slot is designed to the big form of mouthful underbelly, and the operation of claw
End is designed to spherical shape, by the limit end equipment of claw in claw limiting slot, on the one hand can make the positive stop end of claw
It is moved with the axial movement of ratchet wheel, on the one hand in ratchet wheel when being rotated about axis, the positive stop end of claw can be in claw
Sliding in limiting slot.The grasping movement of claw can be thus adjusted by rotation ratchet wheel.
Preferably, being equipped with the handle of rotatable ratchet wheel on ratchet wheel.Handle can make the rotation of ratchet wheel lighter.
Preferably, each claw hole is isometric, and the inner end in each claw hole is equidistant away from the center of chuck.It is set using such
Meter, can be facilitated line up and be formed good grab with each claw of considered critical being equidistant in claw hole away from chuck hub
Take movement.
Preferably, the material end of claw is cylinder, it is covered with anti-skid chequer on cylindrical surface；The axis of cylinder and the axis of chuck
Line is vertical.When nozzle of the claw with different open configuration crawl different-diameters, the contact point of claw material end and tube wall is
Different, therefore the material end of claw is cylinder by this programme, to adapt to different contact angles.Further, in order to mention
Frictional force when height crawl, devises anti-skid chequer on cylindrical surface.
Preferably, the shape of claw is L shape or C-shaped of the aperture position towards chuck axis.The shape of claw is designed
For L shape or C-shaped, aperture position, can be under the premise of keeping maximum crawl caliber, as far as possible towards chuck axis direction
Shorten claw length, facilitates manufacture and operation.
Preferably, being equipped with the lightening hole of perforation chuck between adjacent claw hole.Weight can be mitigated in this way, conveniently taken
Band and use, to saving, material cost is also helpful.
In conclusion the beneficial effects of the utility model are: by the way of synchronous clamping, before ensuring concentricity
Put the complexity that clamp operation is greatly decreased.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model.
Fig. 2 is the side view of the utility model.
Fig. 3 is the structural schematic diagram when claw of the utility model is in maximum deployed position.
Fig. 4 is the structural schematic diagram when claw of the utility model is in minimum curling position.
Wherein: 1 chuck, 2 guide posts, 3 ratchet wheels, 4 claws, 5 claw holes, 6 claw hinge joints, 7 claw limiting slots, 8 handles,
9 fastening nuts, 10 lightening holes.
Specific embodiment
The utility model is further described with specific embodiment with reference to the accompanying drawing.
Embodiment as shown in Figure 1 and Figure 2 determines mouth fixture for a kind of plastics tube end.This plastics tube end determines mouth fixture packet
Circular chuck 1 is included, the left side of chuck is material side, and right side is fore side.The stretching to the right that chuck hub is axially fixed
There is guide post 2.The guide post of this example is screw rod, and left end is fixed by fastening nut 9 with chuck.Pawl is threaded in guide post
Wheel 3.Ratchet wheel lateral wall is equipped with claw limiting slot 7, and the extending direction of claw limiting slot is the circle around ratchet wheel lateral wall,
The center of circle is located on chuck axis.Chuck is equipped with 3 claw holes 5, and claw hole is the long hole for penetrating through chuck, on the circumference of chuck
It is angularly distributed, length direction is the radial direction of chuck, and the inner end in each claw hole is equidistant away from the center of chuck.Each claw hole
Fore side is nearby equipped with an articulated structure, which is one to fore side positioning table outstanding, and positioning table is equipped with card
Pawl hinge joint 6.The quantity of claw is 3, and shape is L shape of the aperture position towards chuck axis.Correspondingly, claw
Material end passes through claw hole and extend out to material side, and the turning point in the middle part of L shape is hinged by claw hinge joint and positioning table, operating side
For spherical shape.The cross sectional shape mouth underbelly of claw limiting slot is big, and being set in claw limiting slot for operating side adaptation of claw can be rotated.
The material end of claw is cylinder, is covered with anti-skid chequer on cylindrical surface；The axis of cylinder and the axis of chuck are vertical.It is installed on ratchet wheel
There is the handle 8 of rotatable ratchet wheel, so that operator can easily rotate ratchet wheel.Perforation is equipped between adjacent claw hole
The lightening hole 10 of chuck.
The plastics tube end of this example determines mouth fixture, and operator can rotate ratchet wheel by handle, by driving ratchet wheel to exist
Movement in guide post.The virtual line of claw operating side spatially is a circumference, and the center of circle of the circumference is being led with ratchet wheel
Movement on column and moved up in chuck axis it is dynamic, therewith step-less adjustment claw operating side before claw hinge joint at a distance from.
Since the middle part of claw is hingedly point articulated with claw, make claw both ends and middle part constitute lever mechanism, claw operating side it is past
The opening and closing movement at synchronous drive claw material end is made in double action.It as shown in Figure 3 and Figure 4, is that claw is opened and collapsed in this example respectively
Extreme position, various calibers between these two positions can be determined by this plastics tube end mouth fixture clamping.Clamping
Mode, which can be, to be clipped in outside tube wall, is also possible to support in tube wall.Mouth fixture is determined using this plastics tube end, it can be with step-less adjustment
To adapt to the diameter of different clamping objects, the complexity of clamp operation can be greatly decreased under the premise of ensuring concentricity.
Claims (7)
1. a kind of plastics tube end determines mouth fixture, including circular chuck (1), characterized in that the center of chuck is axially fixed
Be extended with guide post (2) to fore side, in guide post adaptation be socketed with ratchet wheel (3)；Ratchet wheel at least with 3 claws (4)
The dynamic cooperation in operating side, is respectively a circumference with the virtual line of chalaza spatially, the center of circle of the circumference is with ratchet wheel in guide post
On movement and moved up in chuck axis dynamic；Chuck, which is equipped with, to be blocked with the consistent claw hole (5) of claw quantity, claw hole for perforation
The long hole of disk, in the circumference spaced at equal angles around of chuck, length direction is the radial direction of chuck, and width is adapted to claw width, is blocked
The material end of pawl passes through claw hole；The fore side of chuck is equipped with claw hinge joint (6), and the middle part of claw and claw hinge joint are cut with scissors
It connects, the both ends of claw and middle part is made to constitute lever mechanism.
2. a kind of plastics tube end according to claim 1 determines mouth fixture, characterized in that the guide post is screw rod, pawl
Wheel is threadedly coupled on screw rod；The lateral wall of the ratchet wheel is equipped with claw limiting slot (7), and the extending direction of claw limiting slot is
Circle, the center of circle are located on chuck axis；The operating side of claw is spherical shape, and the cross sectional shape mouth underbelly of claw limiting slot is big, card
Being set in claw limiting slot for operating side adaptation of pawl can be rotated.
3. a kind of plastics tube end according to claim 2 determines mouth fixture, characterized in that be equipped with rotatable pawl on ratchet wheel
The handle (8) of wheel.
4. a kind of plastics tube end according to claim 1 or 2 or 3 determines mouth fixture, characterized in that each claw hole is isometric,
And the inner end in each claw hole is equidistant away from the center of chuck.
5. a kind of plastics tube end according to claim 1 or 2 or 3 determines mouth fixture, characterized in that the material end of claw is
Cylinder is covered with anti-skid chequer on cylindrical surface；The axis of cylinder and the axis of chuck are vertical.
6. a kind of plastics tube end according to claim 1 or 2 or 3 determines mouth fixture, characterized in that the shape of claw is to open
Mouth is positioned against the L shape or C-shaped of chuck axis.
7. a kind of plastics tube end according to claim 1 or 2 or 3 determines mouth fixture, characterized in that adjacent claw hole it
Between be equipped with perforation chuck lightening hole (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343976.9U CN208827124U (en) | 2018-08-20 | 2018-08-20 | A kind of plastics tube end determines mouth fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821343976.9U CN208827124U (en) | 2018-08-20 | 2018-08-20 | A kind of plastics tube end determines mouth fixture |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208827124U true CN208827124U (en) | 2019-05-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821343976.9U Active CN208827124U (en) | 2018-08-20 | 2018-08-20 | A kind of plastics tube end determines mouth fixture |
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| Country | Link |
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| CN (1) | CN208827124U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644519A (en) * | 2020-06-15 | 2020-09-11 | 上海诺玛液压系统有限公司 | Jet pipe servo valve armature component closing tool |
-
2018
- 2018-08-20 CN CN201821343976.9U patent/CN208827124U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111644519A (en) * | 2020-06-15 | 2020-09-11 | 上海诺玛液压系统有限公司 | Jet pipe servo valve armature component closing tool |
| CN111644519B (en) * | 2020-06-15 | 2022-04-01 | 上海诺玛液压系统有限公司 | Jet pipe servo valve armature component closing tool |
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