CN208257591U - A kind of electric pushrod inner tube disconnecting prevention structure - Google Patents
A kind of electric pushrod inner tube disconnecting prevention structure Download PDFInfo
- Publication number
- CN208257591U CN208257591U CN201820814959.2U CN201820814959U CN208257591U CN 208257591 U CN208257591 U CN 208257591U CN 201820814959 U CN201820814959 U CN 201820814959U CN 208257591 U CN208257591 U CN 208257591U
- Authority
- CN
- China
- Prior art keywords
- screw rod
- anticreep
- block
- inner tube
- electric pushrod
- 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 - Fee Related
Links
Abstract
The utility model discloses a kind of electric pushrod inner tube disconnecting prevention structure, belong to electric up-down equipment technical field, including screw rod, the adjustable pipe being set in outside screw rod, be threadedly engaged on screw rod for drive adjustable pipe in axial sliding nut and be arranged on the outside of nut be used for slide guide guide sleeve, the screw rod includes driving end and anticreep end, the driving end is driven by motor to rotate, it is characterized in that: the inside of the adjustable pipe is fixedly connected with anti-drop block, the anticreep block for stopping anti-drop block is provided on the anticreep end, the anticreep block is connect by bolt with screw rod, gasket is provided between the anticreep block and bolt, buffer substrate tablet is provided between the anticreep block and screw rod.The utility model is designed reasonably, structure novel, push rod integral strength is high, and stability is good, can prevent inner tube from falling off, and considerably increases the safety of push rod.
Description
Technical field
The utility model discloses a kind of electric pushrod inner tube disconnecting prevention structure, belongs to electric up-down equipment technical field.
Background technique
In all kinds of electromechanical complete set of equipments and its automatic control device, electric pushrod is widely used as realization reciprocating sliding
It is required that Direct Travel actuator, the intensity and security performance of electric pushrod directly influence electric pushrod service life and the machine
The operation stability of electric equipment.Nut, screw rod and inner tube are the key mechanism inside electric pushrod, the connection knot of nut and screw rod
Structure directly affects the operation stability of electric pushrod, and the slide construction of inner tube directly affects the safety and stationarity of push rod.But
Existing push rod is easy to happen the case where nut is detached from screw rod when in use, and when push rod external load is excessive, nut is easy to happen disconnected
It splits, inner tube is caused to be detached from inside push rod, and generate the safety issue of mechanical equipment, these problems have seriously affected electricity
The technology development of dynamic push rod.
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 electric pushrod inner tube anticreep
Structure, to solve the problems mentioned in the above background technology.
To achieve the above object, the utility model provides following technical solution to realize:
A kind of electric pushrod inner tube disconnecting prevention structure including screw rod, the adjustable pipe being set in outside screw rod, is threadedly engaged in spiral shell
On bar for drive adjustable pipe in axial sliding nut and be arranged on the outside of nut be used for slide guide guide sleeve, the screw rod include drive
Moved end and anticreep end, the driving end by motor drive rotate, it is characterized in that: the inside of the adjustable pipe be fixedly connected with it is anti-
Block is taken off, the anticreep block for stopping anti-drop block is provided on the anticreep end, the anticreep block is connected by bolt and screw rod
It connects, gasket is provided between the anticreep block and bolt, buffer substrate tablet is provided between the anticreep block and screw rod, it is described slow
The outer of punching is provided with buffer structure, and the buffer structure, which extends outwardly, is coated on the side outer of screw rod.
As preferred: the nut includes close to the metal segments at driving end and close to the plastics section at anticreep end, the metal
It is fixedly connected between section and plastics section, the metal segments and plastics Duan Jun are threadedly engaged in the outside of screw rod.
As preferred: being provided with reinforcement structure between the metal segments and plastics section.
As preferred: the adjustable pipe is fixedly connected with nut, and the adjustable pipe screw thread is set in metal segments and plastics section
Outside.
As preferred: the guide sleeve is mounted in metal segments.
As preferred: the metal segments are made of copper.
As preferred: the anti-drop block is provided with elastic ring close to the side of anticreep block.
The utility model has the beneficial effects that
1. anti-drop block is fixedly connected on the inside of adjustable pipe, when adjustable pipe and spiral shell by setting anti-drop block and anticreep block
When being broken off between mother, anticreep block can stop anti-drop block, to prevent adjustable pipe from falling off from push rod.
2. all having good cushion performance by setting buffer structure and elastic ring, buffer structure and elastic ring, can inhale
Anti-drop block is received, the impact that the collision of anticreep block generates, so that push rod operation is more stable.
3. nut includes metal segments and plastics section, the structure of half plastics of semimetal can increase the structural strength of nut entirety,
And guide sleeve is mounted in metal segments, to increase the structural strength between nut, screw rod and guide sleeve, nut is prevented to be broken and generate
The danger that adjustable pipe falls off.
The utility model is designed reasonably, structure novel, push rod integral strength is high, and stability is good, can prevent inner tube from falling off, greatly
The safety of push rod is increased greatly.
Detailed description of the invention
Fig. 1 is a kind of electric pushrod inner tube disconnecting prevention structure structural schematic diagram of the utility model.
Fig. 2 is the structural schematic diagram of the anticreep block of the utility model.
Appended drawing reference: 1, screw rod；2, adjustable pipe；3, nut；4, metal segments；5, plastics section；6, guide sleeve；7, anti-drop block；8,
Anticreep block；9, bolt；10, reinforcement structure；11, end is driven；12, anticreep end；13, gasket；14, buffer substrate tablet；15, buffering knot
Structure；16, elastic ring.
Specific embodiment
A kind of electric pushrod inner tube disconnecting prevention structure of the utility model is described further referring to Figures 1 and 2.
A kind of electric pushrod inner tube disconnecting prevention structure including screw rod 1, the adjustable pipe being set in outside screw rod 12, is threadedly engaged
On screw rod 1 for drive adjustable pipe 2 in axial sliding nut 3 and be arranged on the outside of nut 3 be used for slide guide guide sleeve 6, it is described
Screw rod 1 includes driving end 11 and anticreep end 12, and the driving end 11 is driven by motor to rotate, it is characterized in that: the adjustable pipe 2
Inside be fixedly connected with anti-drop block 7, be provided with the anticreep block 8 for stopping anti-drop block 7 on the anticreep end 12, it is described anti-
Off-gear block 8 is connect by bolt 9 with screw rod 1, and gasket 13, the anticreep block are provided between the anticreep block 8 and bolt 9
Buffer substrate tablet 14 is provided between 8 and screw rod 1, the outer of the buffer substrate tablet 14 is provided with buffer structure 15, the buffer structure 15
Extend outwardly and is coated on the side outer of screw rod 1.
The nut 3 includes close to the metal segments 4 at driving end 11 and close to the plastics section 5 at anticreep end 12, the metal segments 4
It is fixedly connected between plastics section 5, the metal segments 4 and plastics section 5 are threadedly engaged in the outside of screw rod 1.The metal segments 4
Reinforcement structure 10 is provided between plastics section 5.The adjustable pipe 2 is fixedly connected with nut 3, and 2 screw thread of adjustable pipe is arranged
In the outside of metal segments 4 and plastics section 5.The guide sleeve 6 is mounted in metal segments 4.The metal segments 4 are made of copper.It is described anti-
De- block 7 is provided with elastic ring 16 close to the side of anticreep block 8.
The utility model is designed reasonably, structure novel, push rod integral strength is high, and stability is good, can prevent inner tube from falling off, greatly
The safety of push rod is increased greatly.
By setting anti-drop block 7 and anticreep block 8, anti-drop block 7 be fixedly connected on the inside of adjustable pipe 2, when adjustable pipe 2 with
When being broken off between nut 3, anticreep block 8 can stop anti-drop block 7, to prevent adjustable pipe 2 from falling off from push rod.
Good resiliency is all had by setting buffer structure 15 and elastic ring 16, buffer structure 15 and elastic ring 16
Can, anti-drop block 7 can be absorbed, the impact that the collision of anticreep block 8 generates, so that push rod operation is more stable.
Nut 3 includes metal segments 4 and plastics section 5, and it is strong that the structure of half plastics of semimetal can increase the whole structure of nut 3
Degree, and guide sleeve 6 is mounted in metal segments 4, to increase the structural strength between nut 3, screw rod 1 and guide sleeve 6, prevents nut 3
It is broken and generates the danger that adjustable pipe 2 falls off.
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 (7)
1. a kind of electric pushrod inner tube disconnecting prevention structure including screw rod, the adjustable pipe being set in outside screw rod, is threadedly engaged in screw rod
On for drive adjustable pipe in axial sliding nut and be arranged on the outside of nut be used for slide guide guide sleeve, the screw rod include driving
End and anticreep end, the driving end is driven by motor to rotate, it is characterized in that: the inside of the adjustable pipe is fixedly connected with anticreep
Block is provided with the anticreep block for stopping anti-drop block on the anticreep end, and the anticreep block is connect by bolt with screw rod,
It is provided with gasket between the anticreep block and bolt, buffer substrate tablet, the buffering are provided between the anticreep block and screw rod
The outer of piece is provided with buffer structure, and the buffer structure, which extends outwardly, is coated on the side outer of screw rod.
2. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 1, it is characterized in that: the nut includes close to drive
The metal segments of moved end and close to anticreep end plastics section, be fixedly connected between the metal segments and plastics section, the metal segments and
Plastics Duan Jun is threadedly engaged in the outside of screw rod.
3. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 2, it is characterized in that: the metal segments and plastics section
Between be provided with reinforcement structure.
4. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 2, it is characterized in that: the adjustable pipe and nut are solid
Fixed connection, the adjustable pipe screw thread are set in the outside of metal segments and plastics section.
5. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 2, it is characterized in that: the guide sleeve is mounted on metal
Duan Shang.
6. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 2, it is characterized in that: the metal segments are by copper
At.
7. a kind of electric pushrod inner tube disconnecting prevention structure according to claim 1, it is characterized in that: the anti-drop block is close to anticreep
The side of block is provided with elastic ring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814959.2U CN208257591U (en) | 2018-05-29 | 2018-05-29 | A kind of electric pushrod inner tube disconnecting prevention structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820814959.2U CN208257591U (en) | 2018-05-29 | 2018-05-29 | A kind of electric pushrod inner tube disconnecting prevention structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208257591U true CN208257591U (en) | 2018-12-18 |
Family
ID=64652447
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820814959.2U Expired - Fee Related CN208257591U (en) | 2018-05-29 | 2018-05-29 | A kind of electric pushrod inner tube disconnecting prevention structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208257591U (en) |
-
2018
- 2018-05-29 CN CN201820814959.2U patent/CN208257591U/en not_active Expired - Fee Related
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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 | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20181218 |