CN207122569U - A kind of novel wear resistant ceramic plunger - Google Patents
A kind of novel wear resistant ceramic plunger Download PDFInfo
- Publication number
- CN207122569U CN207122569U CN201721062155.3U CN201721062155U CN207122569U CN 207122569 U CN207122569 U CN 207122569U CN 201721062155 U CN201721062155 U CN 201721062155U CN 207122569 U CN207122569 U CN 207122569U
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- CN
- China
- Prior art keywords
- mandrel
- plunger
- plunger body
- self
- mounting hole
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Abstract
It the utility model is related to a kind of novel wear resistant ceramic plunger, including plunger body, mandrel, mounting hole is offered in the middle part of the plunger body, the top of the mounting hole is respectively equipped with screw thread with bottom, the middle part of the mounting hole is provided with mat surface, the mandrel is connected by screw thread with plunger body, pass through super glue adhesion between the mat surface and mandrel, upper and lower ends on the mandrel positioned at plunger body are respectively equipped with self-lubricating engineering plastics, and the diameter of the self-lubricating engineering plastics is equal to the diameter of plunger body.
Description
Technical field
It the utility model is related to a kind of novel wear resistant ceramic plunger.
Background technology
The application of existing plunger is more, and due to its special working environment, generally requires special material.In the past
Plunger is all to use specific alloy, but because its cost is higher, is gradually replaced later by ceramic plunger.China Patent No.：
201020576448.5 disclose a kind of ceramic plunger, belong to plunger pump engine fittings, and it includes metal plunger body, its structure
It is to be inlaid in metal plunger body outer surface coated ceramic layer or by metal plunger body in earthenware.This plunger it is wear-resisting
Property is preferable, and service life is also longer, and production cost is relatively low.But the fastness of this connection is poor, and due to ceramic layer
It is relatively thin, also it is easily damaged, particularly after using a period of time, due to factors such as heated, pressure, corrosion, tends to pine
Move, come off.
Utility model content
Therefore, for it is above-mentioned the problem of, the utility model proposes a kind of fastness preferably, stability is relatively strong, service life
Longer novel wear resistant ceramic plunger.
To achieve the above object, the utility model employs following technical scheme：A kind of novel wear resistant ceramic plunger, including
Plunger body, mandrel, mounting hole is offered in the middle part of the plunger body, and top and the bottom of the mounting hole are respectively equipped with spiral shell
Line, the middle part of the mounting hole are provided with mat surface, and the mandrel is connected by screw thread with plunger body, the mat surface and mandrel
Between by super glue adhesion, the upper and lower ends on the mandrel positioned at plunger body are respectively equipped with self-lubricating engineering plastics,
The diameter of the self-lubricating engineering plastics is equal to the diameter of plunger body.
Further, it is be bonded by super glue between the self-lubricating engineering plastics and plunger body.
Further, the self-lubricating engineering plastics positioned at plunger body lower end are connected by screw with mandrel.
Further, the mode and mandrel phase that the self-lubricating engineering plastics positioned at plunger body upper end are connected through a screw thread
Even.
Further, the diameter in the middle part of mounting hole is less than the diameter of mounting hole top and bottom.
By using preceding solution, the beneficial effects of the utility model are：This novel wear resistant ceramic plunger passes through institute
State the top of mounting hole and bottom is respectively equipped with screw thread, middle part is provided with the setting of mat surface so that its stable connection with mandrel
Property it is more preferable, and be respectively equipped with self-lubricating engineering plastics by the upper and lower ends of plunger body, it is possible to achieve good slip needs
Ask and the protection to plunger body；Further, super glue is passed through between the self-lubricating engineering plastics and plunger body
Bonding, it is possible to achieve more firm connection effect；Further, the self-lubricating engineering plastics positioned at plunger body lower end pass through
Screw is connected with mandrel, it is possible to achieve self-lubricating engineering plastics and plunger body and mandrel are connected respectively；Further, it is located at
The mode that the self-lubricating engineering plastics of plunger body upper end are connected through a screw thread is connected with mandrel, it is possible to achieve self-lubricating engineering plastic
Expect to be connected respectively with plunger body and mandrel；Further, the diameter in the middle part of mounting hole is less than mounting hole top and bottom
Diameter, can so ensure the stability of threaded connection, and and can enough ensures gluing good result.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Embodiment
The utility model is further illustrated in conjunction with the drawings and specific embodiments.
With reference to figure 1, the present embodiment provides a kind of novel wear resistant ceramic plunger, including plunger body 1, mandrel 2, the plunger
The middle part of body 1 offers mounting hole 11, and the top 11a and bottom 11c of the mounting hole 11 are respectively equipped with screw thread 111, described
The middle part 11b of mounting hole 11 is provided with mat surface, and the mandrel 2 is connected by screw thread with plunger body 1, the mat surface and mandrel
By the adhesion of super glue 3 between 2, the upper and lower ends on the mandrel 2 positioned at plunger body 1 are respectively equipped with self-lubricating engineering plastic
Material 4, the diameter of the self-lubricating engineering plastics 4 are equal to the diameter of plunger body 1.The self-lubricating engineering plastics 4 and plunger sheet
It is bonded between body 1 by super glue.Self-lubricating engineering plastics 4 positioned at the lower end of plunger body 1 pass through screw 5 and mandrel phase
Even.The mode that self-lubricating engineering plastics 4 positioned at the upper end of plunger body 1 are connected through a screw thread is connected with mandrel 2.In the middle part of mounting hole
11b diameter is less than mounting hole top 11a and bottom 11c diameter.
This novel wear resistant ceramic plunger is respectively equipped with screw thread, middle part provided with coarse by the top of the mounting hole with bottom
The setting in face so that it is more preferable with the connective stability of mandrel, and is respectively equipped with by the upper and lower ends of plunger body from profit
Sliding engineering plastics, it is possible to achieve good slip demand and the protection to plunger body；Further, the self-lubricating engineering
It is be bonded by super glue between plastics and plunger body, it is possible to achieve more firm connection effect；Further, positioned at post
The self-lubricating engineering plastics of plug body lower end are connected by screw with mandrel, it is possible to achieve self-lubricating engineering plastics and plunger body
And the connection respectively of mandrel；Further, the mode that the self-lubricating engineering plastics positioned at plunger body upper end are connected through a screw thread
It is connected with mandrel, it is possible to achieve self-lubricating engineering plastics and plunger body and mandrel are connected respectively；Further, in mounting hole
The diameter in portion is less than the diameter of mounting hole top and bottom, can so ensure the stability of threaded connection, and and can enough ensures
Gluing good result.
Although specifically showing and describing the utility model with reference to preferred embodiment, those skilled in the art should
This is understood, is not departing from the spirit and scope of the present utility model that appended claims are limited, in form and details
On the utility model can be made a variety of changes, be the scope of protection of the utility model.
Claims (5)
- A kind of 1. novel wear resistant ceramic plunger, it is characterised in that：Including plunger body, mandrel, opened in the middle part of the plunger body Provided with mounting hole, top and the bottom of the mounting hole are respectively equipped with screw thread, and the middle part of the mounting hole is provided with mat surface, described Mandrel is connected by screw thread with plunger body, upper by super glue adhesion, the mandrel between the mat surface and mandrel Self-lubricating engineering plastics are respectively equipped with the upper and lower ends of plunger body, the diameter of the self-lubricating engineering plastics is equal to plunger sheet The diameter of body.
- A kind of 2. novel wear resistant ceramic plunger according to claim 1, it is characterised in that：The self-lubricating engineering plastics with It is bonded between plunger body by super glue.
- A kind of 3. novel wear resistant ceramic plunger according to claim 1 or 2, it is characterised in that：Positioned at plunger body lower end Self-lubricating engineering plastics be connected by screw with mandrel.
- A kind of 4. novel wear resistant ceramic plunger according to claim 1 or 2, it is characterised in that：Positioned at plunger body upper end The mode that is connected through a screw thread of self-lubricating engineering plastics be connected with mandrel.
- A kind of 5. novel wear resistant ceramic plunger according to claim 1 or 2, it is characterised in that：Diameter in the middle part of mounting hole Less than the diameter on mounting hole top and bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062155.3U CN207122569U (en) | 2017-08-23 | 2017-08-23 | A kind of novel wear resistant ceramic plunger |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721062155.3U CN207122569U (en) | 2017-08-23 | 2017-08-23 | A kind of novel wear resistant ceramic plunger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207122569U true CN207122569U (en) | 2018-03-20 |
Family
ID=61610848
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721062155.3U Active CN207122569U (en) | 2017-08-23 | 2017-08-23 | A kind of novel wear resistant ceramic plunger |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207122569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077610A1 (en) * | 2020-10-16 | 2022-04-21 | 苏州舍勒智能科技有限公司 | Connecting structure for piston and piston rod of push rod cylinder |
-
2017
- 2017-08-23 CN CN201721062155.3U patent/CN207122569U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2022077610A1 (en) * | 2020-10-16 | 2022-04-21 | 苏州舍勒智能科技有限公司 | Connecting structure for piston and piston rod of push rod cylinder |
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