CN206072029U - A kind of anti-back buckle hoop - Google Patents
A kind of anti-back buckle hoop Download PDFInfo
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- CN206072029U CN206072029U CN201621040806.4U CN201621040806U CN206072029U CN 206072029 U CN206072029 U CN 206072029U CN 201621040806 U CN201621040806 U CN 201621040806U CN 206072029 U CN206072029 U CN 206072029U
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- bolt
- lower catch
- catch hoop
- front band
- bolt hole
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Abstract
The utility model discloses a kind of anti-back buckle hoop, belongs to clip technical field.The clip includes:Lower catch hoop body, front band body and bolt;Semi-circular recesses are respectively arranged with the lower surface of the upper surface and front band body of lower catch hoop body, on lower catch hoop body and front band body, bolt hole is also correspondingly arranged on;The axis of bolt hole is vertical with the axis of semi-circular recesses;The clip also includes:Crown nut and square key;The afterbody of bolt sequentially passes through the bolt hole of the bolt hole of lower catch hoop body and front band body, and crown nut is arranged on the afterbody of bolt;The afterbody of bolt is provided with for installing the first rectangle keyway of square key along the axial direction of bolt, and the axial direction between the two neighboring gear teeth of crown nut along crown nut is provided with for installing the second rectangle keyway of square key.Using the anti-back buckle hoop, can be prevented effectively from and detain and the loosening of caused clip because screw thread is moved back, it is to avoid accessory is damaged, so as to reduce maintenance cost.
Description
Technical field
This utility model is related to clip technical field, more particularly to a kind of anti-back buckle hoop.
Background technology
Plunger and connecting rod in the reciprocating plunger pump that oil field uses passes through clamp connection.
The existing clip for connecting plunger and connecting rod includes:The upper and lower two clip sheets for vertically arranging
Body, is respectively arranged with semicircular groove, the semi-circular recesses of two clip bodies on the surface that two clip bodies fit
The box cupling head for being combined to form manhole, plunger and connecting rod is located in above-mentioned manhole.It is also right on two clip bodies
The bolt hole vertical with semi-circular recesses should be provided with, with common six after the bolt hole of two clip bodies of screw bolt passes
Angle nut is fixed, so that plunger and connecting rod connection.
During this utility model is realized, designer has found that prior art at least has problems with:Plunger displacement pump is transported
The pulsed vibration produced during row can make nut loosening move back button so that clip loosens, so as to cause the box cupling of plunger and connecting rod
Head is produced in clip and clashes into friction, is caused accessory to damage, is increased maintenance cost.
Utility model content
Based on the above, this utility model embodiment technical problem to be solved is to provide a kind of anti-back buckle
Hoop, when preventing plunger pump operation, clip loosens.
Specifically, including following technical scheme:
This utility model embodiment provides a kind of anti-back buckle hoop, including:Lower catch hoop body, front band body and spiral shell
Bolt;Semi-circular recesses are respectively arranged with the lower surface of the upper surface of the lower catch hoop body and the front band body, it is described
The semi-circular recesses of the semi-circular recesses of lower catch hoop body and the front band body are combined to form manhole;The lower catch hoop
Bolt hole be correspondingly arranged on body and the front band body also, the axle of the axis of the bolt hole and the semi-circular recesses
Line is vertical;Wherein, the clip also includes:Crown nut and square key;The afterbody of the bolt sequentially passes through the lower card
The bolt hole of the bolt hole and the front band body of hoop body, the crown nut are arranged on the afterbody of the bolt;It is described
The afterbody of bolt is provided with for installing the first rectangle keyway of the square key, the crown along the axial direction of the bolt
Axial direction between the two neighboring gear teeth of nut along the crown nut is provided with for installing the second of the square key
Rectangle keyway.
Further, the square key and the first rectangle keyway and the second rectangle keyway interference fit.
Further, the lower surface of the lower catch hoop body is provided with and consolidating that the matching form of the head of the bolt is closed
Determine groove, the fixed groove is coaxial with the bolt hole of the lower catch hoop body.
Further, the fixed groove is hexagonal along the section of the axial direction perpendicular to the fixed groove.
Further, the head of the bolt and the fixed groove interference fit.
Further, the quantity of the bolt hole of the lower catch hoop body is 2, and is symmetrically distributed in the lower catch hoop body
Semi-circular recesses both sides;The quantity of the bolt hole of the front band body is also 2, and is symmetrically distributed in the front band
The both sides of the semi-circular recesses of body.
Further, the profile of the lower catch hoop body and the front band body is cuboid.
The beneficial effect of technical scheme that this utility model embodiment is provided is:
In the anti-back buckle hoop that this utility model embodiment is provided, existing hex nut is substituted come tight using crown nut
Fixing bolt, meanwhile, the first rectangle keyway is set along the axial direction of bolt in the afterbody of bolt, in adjacent two of crown nut
Axial direction between the gear teeth along crown nut arranges the second rectangle keyway, common by the first rectangle keyway and the second rectangle keyway
With fixed square key, bolt and crown nut are made on the basis of being threaded connection, it is also bonded by rectangle, so as to effective
Prevent screw thread from moving back button and causing clip to loosen.
The anti-back buckle hoop that this utility model embodiment is provided is applied to the occasion of various employing clamp connections, especially suitable
The connection of plunger and connecting rod in plunger displacement pump.
Description of the drawings
For the technical scheme being illustrated more clearly that in this utility model embodiment, below will be to needed for embodiment description
Accompanying drawing to be used is briefly described, it should be apparent that, drawings in the following description are only some realities of the present utility model
Example is applied, for those of ordinary skill in the art, on the premise of not paying creative work, can be with according to these accompanying drawings
Obtain other accompanying drawings.
The structural representation of the anti-back buckle hoop that Fig. 1 is provided for this utility model embodiment;
In the anti-back buckle hoop that Fig. 2 is provided for this utility model embodiment, the structure of bolt, crown nut and square key is shown
It is intended to;
The generalized section of crown nut in the anti-back buckle hoop that Fig. 3 is provided for this utility model embodiment;
The structural representation of lower catch hoop body in the anti-back buckle hoop that Fig. 4 is provided for this utility model embodiment.
Reference in figure is represented respectively:
1- lower catch hoop bodies;
2- front band bodies;
3- semi-circular recesses;
4- bolts;41- the first rectangle keyways;
5- bolts hole;51- fixed grooves;
6- crown nuts;61- the second rectangle keyways;
7- square keys.
Specific embodiment
To make the technical solution of the utility model and advantage clearer, this utility model is implemented below in conjunction with accompanying drawing
Mode is described in further detail.Unless otherwise defined, all technical terms used by this utility model embodiment are respectively provided with
The identical implication being generally understood that with those skilled in the art.
This utility model embodiment provides a kind of anti-back buckle hoop, referring to Fig. 1, and combines Fig. 2 and Fig. 3, the anti-back button
Clip includes:Lower catch hoop body 1, front band body 2 and bolt 4.The upper surface and front band body 2 of lower catch hoop body 1
Be respectively arranged with semi-circular recesses 3 on lower surface, the semi-circular recesses 3 and front band body 2 of lower catch hoop body 1 it is semicircle recessed
Groove 3 is combined to form manhole.Bolt hole 5, the axle of bolt hole 5 are correspondingly arranged on lower catch hoop body 1 and front band body 2 also
Line is vertical with the axis of semi-circular recesses 3.
Clip also includes:Crown nut 6 and square key 7.
Wherein, the afterbody of bolt 4 sequentially passes through the bolt hole 5 of the bolt hole 5 and front band body 2 of lower catch hoop body 1, crown
Shape nut 6 is arranged on the afterbody of bolt 4.
The afterbody of bolt 4 is provided with for installing the first rectangle keyway 41 of square key 7, crown along the axial direction of bolt 4
Axial direction between the two neighboring gear teeth of shape nut 6 along crown nut 6 is provided with for installing the second rectangle of square key 7
Keyway 61.
This utility model embodiment provide anti-back buckle hoop in, using crown nut 6 substitute existing hex nut come
Fastening bolt 4, meanwhile, first rectangle keyway 41 is set along the axial direction of bolt 4 in the afterbody of bolt 4, on crown nut 6
Second rectangle keyway 61 is set, by 61 common fixed square key 7 of the first rectangle keyway 41 and the second rectangle keyway, bolt 4 is made
It is with crown nut 6 on the basis of being threaded connection, also bonded by rectangle, cause so as to effectively prevent screw thread from moving back button
Clip loosens.
Wherein, crown nut 6 is the conventional connector in this area, is mainly used in crank pins is fixed on crank, crown
Shape nut 6 includes the hexagonal nut body of cross sectional shape, one end of nut body along nut body axial direction to
Outer extension is provided with six gear teeth, and the second rectangle keyway 61 is arranged between two adjacent gear teeth of crown nut 6.
It will be appreciated by persons skilled in the art that square key 7 passes through the first rectangle keyway 41 and the second rectangle keyway 61
It is common fixed, then when crown nut 6 is in the state tightened, the center along 4 axial direction of bolt of the first rectangle keyway 41
The centrage along 6 axial direction of crown nut of line and the second rectangle keyway 61 is located at the same diameter parallel with bolt 4
In plane, it is, the state that the first rectangle keyway 41 and the second rectangle keyway 61 should be tightened in crown nut 6 and bolt 4
Lower processing, the second rectangle keyway 61 can be arranged between two gear teeth of 6 arbitrary neighborhood of crown nut.
In this utility model embodiment, the quantity of square key 7 can be 1, or 2.When the quantity of square key 7
For 2 when, two square keys 7 are uniformly distributed along the circumferencial direction of bolt 4, and correspondingly, 2 the first rectangle keyways 41 are along bolt 4
Circumferencial direction be uniformly distributed, the circumferencial direction of 2 the second rectangle keyways 61 then along crown nut 6 is uniformly distributed.
In this utility model embodiment, the afterbody of bolt 4 refers to the one end of screw rod away from the head of bolt 4 of bolt 4.
Used as a kind of optional embodiment of this utility model embodiment, referring to Fig. 1, the width of square key 7 is less than crown
The distance between 6 two neighboring gear teeth of nut.
Further, in this utility model embodiment, square key 7 is equal with the first rectangle keyway 41 and the second rectangle keyway 61
For interference fit, cause effectively prevent screw thread from moving back button to prevent bonded loosening.
Further, referring to Fig. 4, in this utility model embodiment, can the lower surface of lower catch hoop body 1 be provided with
The fixed groove 51 that the matching form of the head of bolt 4 is closed, prevents the bolt 4 when crown nut 6 is fastened from rotating, so as to save
The step of beating back-up tong, simplifies the installation steps of the clip that this utility model embodiment is provided.It is understood that fixed groove 51
It is coaxial with the bolt hole 5 of lower catch hoop body 1.As the head of the bolt 4 commonly used is hexagon, therefore, the shape of fixed groove 51
It is hexagonal along the section of the axial direction perpendicular to fixed groove 51 that shape is preferably hex-shaped recess, i.e. fixed groove 51.
In this utility model embodiment, head and 51 interference fit of fixed groove of bolt 4.
Further, referring to Fig. 1, in this utility model embodiment, the quantity of the bolt hole 5 of lower catch hoop body 1 can be 2
It is individual, and it is symmetrically distributed in the both sides of the semi-circular recesses 3 of lower catch hoop body 1;Meanwhile, the quantity of the bolt hole 5 of front band body 2
Also it is 2, is equally symmetrically distributed in the both sides of the semi-circular recesses 3 of front band body 2.Correspondingly, the quantity of fixed groove 51
Also it is two, it is coaxial with two bolts hole 5 of lower catch hoop body 1 respectively.
Further, in this utility model embodiment, the profile of lower catch hoop body 1 and front band body 2 is not strictly limited
It is fixed, can arrange according to actual needs, for example, can be cuboid.
It should be noted that in this utility model embodiment, two clip bodies are referred to as lower catch hoop body 1 and front band
Body 2, it is only for be easy to description, according to the difference of use occasion, two clip bodies can be upper and lower along vertical direction
Arrange, it is also possible to arrange or arrange in front and back along horizontal direction or so.
This utility model embodiment when in use, the afterbody of bolt 4 is passed through the bolt hole 5 of lower catch hoop body 1 first, so
Lower catch hoop body 1 is enclosed within the connecting portion (the box cupling head of the plunger and connecting rod of such as plunger displacement pump) of two parts to be connected afterwards
Place, makes the connecting portion of two parts to be connected snap in the semi-circular recesses 3 of lower catch hoop body 1, then will be the head of bolt 4 embedding
Enter in fixed groove 51, the bolt hole 5 of front band body 2 is passed through into bolt 4 then, and makes front band body 2 and lower catch hoop sheet
Body 1 is aligned, and is enclosed within bolt 4 and screws up with a wrench crown nut 6 crown nut 6 afterwards, is finally installed square key 7, is made square
Shape key 7 is entered in the second rectangle keyway 61 of the first rectangle keyway 41 and crown nut 6 of 4 afterbody of bolt.
To sum up, the anti-back buckle hoop for being provided using this utility model embodiment, can be prevented effectively from and lead because screw thread moves back button
The clip of cause loosens, it is to avoid accessory is damaged, so as to reduce maintenance cost.And the anti-back buckle that this utility model embodiment is provided
Hoop need not beat back-up tong when crown nut is fastened, and simplify the installation process of clip.
The above is for only for ease of those skilled in the art and understands the technical solution of the utility model, not to
Limit this utility model.It is all it is of the present utility model spirit and principle within, any modification, equivalent substitution and improvements made etc.,
Should be included within protection domain of the present utility model.
Claims (7)
1. a kind of anti-back buckle hoop, including:Lower catch hoop body (1), front band body (2) and bolt (4);The lower catch hoop sheet
Semi-circular recesses (3), the lower catch hoop are respectively arranged with the lower surface of the upper surface of body (1) and the front band body (2)
The semi-circular recesses (3) of the semi-circular recesses (3) and the front band body (2) of body (1) are combined to form manhole;It is described
Also be correspondingly arranged on bolt hole (5) on lower catch hoop body (1) and the front band body (2), the axis of the bolt hole (5) with
The axis of the semi-circular recesses (3) is vertical;
Characterized in that,
The clip also includes:Crown nut (6) and square key (7);
The afterbody of the bolt (4) sequentially passes through the bolt hole (5) and the front band body (2) of the lower catch hoop body (1)
Bolt hole (5), afterbody of the crown nut (6) installed in the bolt (4);
The afterbody of the bolt (4) is provided with for installing the first of the square key (7) along the axial direction of the bolt (4)
Rectangle keyway (41), the axial direction between the two neighboring gear teeth of the crown nut (6) along the crown nut (6) are arranged
Have for installing the second rectangle keyway (61) of the square key (7).
2. clip according to claim 1, it is characterised in that the square key (7) and the first rectangle keyway (41)
With the second rectangle keyway (61) interference fit.
3. clip according to claim 1, it is characterised in that the lower surface of the lower catch hoop body (1) is provided with and institute
State the fixed groove (51) that the matching form of the head of bolt (4) is closed, the fixed groove (51) and the lower catch hoop body (1)
Bolt hole (5) it is coaxial.
4. clip according to claim 3, it is characterised in that the fixed groove (51) is along perpendicular to the fixed groove
(51) section of axial direction is hexagonal.
5. the clip according to claim 3 or 4, it is characterised in that the head and the fixed groove of the bolt (4)
(51) interference fit.
6. clip according to claim 1, it is characterised in that the quantity of the bolt hole (5) of the lower catch hoop body (1) is
2, and it is symmetrically distributed in the both sides of the semi-circular recesses (3) of the lower catch hoop body (1);The spiral shell of the front band body (2)
The quantity of keyhole (5) is also 2, and is symmetrically distributed in the both sides of the semi-circular recesses (3) of the front band body (2).
7. clip according to claim 1, it is characterised in that the lower catch hoop body (1) and the front band body (2)
Profile be cuboid.
Priority Applications (1)
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CN201621040806.4U CN206072029U (en) | 2016-09-06 | 2016-09-06 | A kind of anti-back buckle hoop |
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CN201621040806.4U CN206072029U (en) | 2016-09-06 | 2016-09-06 | A kind of anti-back buckle hoop |
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CN206072029U true CN206072029U (en) | 2017-04-05 |
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CN201621040806.4U Active CN206072029U (en) | 2016-09-06 | 2016-09-06 | A kind of anti-back buckle hoop |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112718383A (en) * | 2020-12-21 | 2021-04-30 | 海宁市华升包装有限公司 | Honeycomb paperboard composite gluing device, gluing method, honeycomb board prepared by using device and honeycomb paperboard tray |
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2016
- 2016-09-06 CN CN201621040806.4U patent/CN206072029U/en active Active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN112718383A (en) * | 2020-12-21 | 2021-04-30 | 海宁市华升包装有限公司 | Honeycomb paperboard composite gluing device, gluing method, honeycomb board prepared by using device and honeycomb paperboard tray |
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