CN208565464U - A kind of push rod screw rod group - Google Patents
A kind of push rod screw rod group Download PDFInfo
- Publication number
- CN208565464U CN208565464U CN201821100589.2U CN201821100589U CN208565464U CN 208565464 U CN208565464 U CN 208565464U CN 201821100589 U CN201821100589 U CN 201821100589U CN 208565464 U CN208565464 U CN 208565464U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- nut
- link slot
- inner cylinder
- push rod
- 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.)
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Abstract
The utility model discloses a kind of push rod screw rod group, belong to putting technique field, including screw rod, the outside screw of the screw rod is connected with copper nut and plastic nut, the outside screw of the copper nut and plastic nut is connected with sleeve, the inside of the sleeve is equipped with nut link slot, inner cylinder link slot and screw rod perforation, the copper nut includes thread segment and linkage section, the outside of the thread segment and plastic nut is connect with bush whorl, inner cylinder is threaded on the side wall of the inner cylinder link slot, the circumferential outer surface of the linkage section is equipped with several planes.The utility model structure is simple, by the way that sleeve is arranged, can reinforce the bearing strength of copper nut and plastic nut, improve its service life.
Description
Technical field
The utility model discloses a kind of push rod screw rod group, belongs to putting technique field.
Background technique
Electric pushrod is that a kind of straight reciprocating motion that the rotary motion of motor is changed into push rod is driven by electricity dress
Set, can in various simple or complicated process flow as execute it is mechanical using with realize far distance control, centralized control or
It automatically controls, is usually connected with copper nut on the screw rod in existing electric pushrod, but copper nut manufacturing cost and coefficient of friction are all
It is bigger, now design a kind of half bronze medal and partly mould nut, but half bronze medal half mould nut bearing strength it is poor, and copper nut and guide sleeve
Connectivity is poor.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide for a kind of push rod screw rod group, with solution
Certainly the problems mentioned above in the background art.
To achieve the above object, the utility model provides following technical solution to realize:
A kind of push rod screw rod group, including screw rod, it is characterized in that: the outside screw of the screw rod is connected with copper nut and plastics
The outside screw of nut, the copper nut and plastic nut is connected with sleeve, and the inside of the sleeve is equipped with nut link slot, interior
Cylinder link slot and screw rod perforation, the copper nut includes thread segment and linkage section, and the outside of the thread segment and plastic nut is equal
It is connect with bush whorl, inner cylinder is threaded on the side wall of the inner cylinder link slot, the circumferential outer surface of the linkage section is set
There are several planes.
As preferred: the screw rod perforation is between nut link slot and inner cylinder link slot, the screw rod perforation difference
It is connected with nut link slot and inner cylinder link slot, the nut link slot is identical with the diameter of inner cylinder link slot, the screw rod
The diameter of perforation is less than the diameter of nut link slot.
As preferred: the screw rod is perforated across screw rod, and the inside of inner cylinder is arranged in the screw rod, the screw rod perforation
Diameter is greater than the maximum gauge of screw rod.
As preferred: the plane is provided with 2~8, and several planes are angularly distributed.
As preferred: the plane is provided with 6, the length of the plane be equal to the maximum gauge of linkage section 20%~
30%.
As preferred: being equipped with annular groove among the lateral surface of the linkage section.
As preferred: the bottom surface of the annular groove is equipped with several pin holes being arranged symmetrically.
As preferred: the outside of the linkage section is equipped with guide sleeve, and the guide sleeve is equipped with several grooves.
As preferred: being equipped with pin shaft between the linkage section and guide sleeve, the pin shaft is located in pin hole.
As preferred: an end face of the plastic nut and the bottom surface of nut link slot abut against, the plastic nut
The outer end face of other end and thread segment abuts against.
The utility model has the beneficial effects that
The utility model is by setting sleeve, so that copper nut and plastic nut are threaded in the inside of sleeve, guarantees
Copper nut and plastic nut abut against, and avoid the case where producing relative rotation between copper nut and plastic nut, can enhance copper spiral shell
Female and plastic nut bonding strength and bearing strength, improve its service life, and plane is arranged on linkage section, linkage section
Outer surface becomes spaced apart plane and segmental arc from circle, so that its for the guide sleeve and copper nut being moulded on the outside of linkage section
Middle a part is connected by plane, is avoided guide sleeve from circumferentially rotating, is improved the fastness of guide sleeve, to improve its service life.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of push rod screw rod group of the utility model；
Fig. 2 is a kind of structural schematic diagram of push rod screw rod group middle sleeve of the utility model；
Fig. 3 is the cross-sectional view of copper nut in a kind of push rod screw rod group of the utility model；
Fig. 4 is the main view of copper nut in a kind of push rod screw rod group of the utility model；
Fig. 5 is the top view of copper nut in a kind of push rod screw rod group of the utility model；
Fig. 6 is the structural schematic diagram of guide sleeve in a kind of push rod screw rod group of the utility model.
Appended drawing reference: 1, pin shaft；2, guide sleeve；3, copper nut；4, screw rod；5, plastic nut；6, sleeve；7, inner cylinder；8, spiral shell
Female link slot；9, screw rod is perforated；10, inner cylinder link slot；11, annular groove；12, thread segment；13, linkage section；14, pin hole；15, it puts down
Face；16, groove.
Specific embodiment
A kind of push rod screw rod group of the utility model is described further referring to figs. 1 to Fig. 6.
A kind of push rod screw rod group, including screw rod 4, the outside screw of screw rod 4 are connected with copper nut 3 and plastic nut 5, copper spiral shell
The outside screw of mother 3 and plastic nut 5 is connected with sleeve 6, so that copper nut 3 and plastic nut 5 are threaded in the interior of sleeve 6
Side guarantees that copper nut 3 and plastic nut 5 abut against, avoids the case where producing relative rotation between copper nut 3 and plastic nut 5,
The bonding strength and bearing strength that copper nut 3 and plastic nut 5 can be enhanced, improve its service life, can also play position-limiting action,
Screw rod 4 is avoided to deviate from, the inside of sleeve 6 is equipped with nut link slot 8, inner cylinder link slot 10 and screw rod perforation 9, and screw rod is perforated 9
Between nut link slot 8 and inner cylinder link slot 10, screw rod perforation 9 is connected with nut link slot 8 and inner cylinder link slot 10 respectively
Logical, nut link slot 8 is identical with the diameter of inner cylinder link slot 10, and the diameter of screw rod perforation 9 is less than the diameter of nut link slot 8,
So that sleeve 6 forms annular retaining ring at screw rod perforation 9 and is used to abut plastic nut 5, screw thread on the side wall of inner cylinder link slot 10
It is connected with inner cylinder 7, the fixation of inner cylinder 7 is more convenient and secured, can also enhance the bonding strength between inner cylinder 7 and sleeve 6, spiral shell
Bar 4 passes through screw rod perforation 9, and the inside of inner cylinder 7 is arranged in screw rod 4, and the diameter of screw rod perforation 9 is greater than the maximum gauge of screw rod 4, energy
Avoid the friction between screw rod 4 and sleeve 6；
Copper nut 3 includes thread segment 12 and linkage section 13, the outside of thread segment 12 and plastic nut 5 with 6 screw thread of sleeve
Connection, an end face of plastic nut 5 and the bottom surface of nut link slot 8 abut against, the other end of plastic nut 5 and thread segment 12
Outer end face abut against, avoid the case where producing relative rotation between copper nut 3 and plastic nut 5, improve safety, linkage section
13 circumferential outer surface is equipped with several planes 15, and plane 15 is provided with 2~8, and plane 15, linkage section are arranged on linkage section 13
13 outer surfaces become spaced apart plane 15 and segmental arc from circle, so that being moulded in the guide sleeve 2 and copper in 13 outside of linkage section
A portion of nut 3 is connected by plane 15, and guide sleeve 2 is avoided to circumferentially rotate, and the fastness of guide sleeve 2 is improved, to improve
Its service life, several planes 15 are angularly distributed, and increase stationarity, and plane 15 is provided with 6, and the length of plane 15, which is equal to, to be connected
The 20%~30% of the maximum gauge of section 13 is connect, is equipped with annular groove 11 among the lateral surface of linkage section 13, the bottom surface of annular groove 11 is equipped with
Several pin holes 14 being arranged symmetrically are equipped with pin shaft 1 between linkage section 13 and guide sleeve 2, pin shaft 1 is located in pin hole 14, linkage section 13
Outside be equipped with guide sleeve 2, enhance the bonding strength between copper nut 3 and the guide sleeve 2 that the outside of linkage section 13 is set, set on guide sleeve 2
There are several grooves 16, material can be saved and mitigates weight.
The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to
Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to
Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and
Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.
Claims (10)
1. a kind of push rod screw rod group, including screw rod, it is characterized in that: the outside screw of the screw rod is connected with copper nut and plastic spiral
The outside screw of mother, the copper nut and plastic nut is connected with sleeve, and the inside of the sleeve is equipped with nut link slot, inner cylinder
Link slot and screw rod perforation, the copper nut includes thread segment and linkage section, the outside of the thread segment and plastic nut with
Bush whorl connects, and is threaded with inner cylinder on the side wall of the inner cylinder link slot, the circumferential outer surface of the linkage section is equipped with
Several planes.
2. a kind of push rod screw rod group according to claim 1, it is characterized in that: screw rod perforation be located at nut link slot and
Between inner cylinder link slot, the screw rod perforation is connected with nut link slot and inner cylinder link slot respectively, the nut link slot
Identical with the diameter of inner cylinder link slot, the diameter of the screw rod perforation is less than the diameter of nut link slot.
3. a kind of push rod screw rod group according to claim 2, it is characterized in that: the screw rod is perforated across screw rod, the spiral shell
The inside of inner cylinder is arranged in bar, and the diameter of the screw rod perforation is greater than the maximum gauge of screw rod.
4. a kind of push rod screw rod group according to claim 1, it is characterized in that: the plane is provided with 2~8, Ruo Gansuo
Plane is stated angularly to be distributed.
5. a kind of push rod screw rod group according to claim 4, it is characterized in that: the plane is provided with 6, the plane
Length is equal to the 20%~30% of the maximum gauge of linkage section.
6. a kind of push rod screw rod group according to claim 1, it is characterized in that: being equipped with ring among the lateral surface of the linkage section
Slot.
7. a kind of push rod screw rod group according to claim 6, it is characterized in that: the bottom surface of the annular groove is equipped with several symmetrical cloth
The pin hole set.
8. a kind of push rod screw rod group according to claim 7, it is characterized in that: the outside of the linkage section is equipped with guide sleeve, institute
Guide sleeve is stated equipped with several grooves.
9. a kind of push rod screw rod group according to claim 8, it is characterized in that: being equipped with pin between the linkage section and guide sleeve
Axis, the pin shaft are located in pin hole.
10. a kind of push rod screw rod group according to claim 1 a, it is characterized in that: end face of the plastic nut and nut
The bottom surface of link slot abuts against, and the other end of the plastic nut and the outer end face of thread segment abut against.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100589.2U CN208565464U (en) | 2018-07-12 | 2018-07-12 | A kind of push rod screw rod group |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821100589.2U CN208565464U (en) | 2018-07-12 | 2018-07-12 | A kind of push rod screw rod group |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208565464U true CN208565464U (en) | 2019-03-01 |
Family
ID=65492917
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821100589.2U Expired - Fee Related CN208565464U (en) | 2018-07-12 | 2018-07-12 | A kind of push rod screw rod group |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208565464U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307316A (en) * | 2019-07-28 | 2019-10-08 | 无锡市宏霸机电设备有限公司 | A kind of electric pushrod |
-
2018
- 2018-07-12 CN CN201821100589.2U patent/CN208565464U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110307316A (en) * | 2019-07-28 | 2019-10-08 | 无锡市宏霸机电设备有限公司 | A kind of electric pushrod |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190301 Termination date: 20210712 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |