CN208295060U - The stretcher of component is advised when a kind of - Google Patents
The stretcher of component is advised when a kind of Download PDFInfo
- Publication number
- CN208295060U CN208295060U CN201820917973.5U CN201820917973U CN208295060U CN 208295060 U CN208295060 U CN 208295060U CN 201820917973 U CN201820917973 U CN 201820917973U CN 208295060 U CN208295060 U CN 208295060U
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- China
- Prior art keywords
- plunger
- check valve
- valve assembly
- stretcher
- main body
- Prior art date
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Abstract
The stretcher that component is advised when the utility model provides a kind of, belongs to automobile engine accessory technical field.It solves the problems, such as that existing stretcher can not adjust in time with chain elasticity.The stretcher that this when advises component includes main body and chamber, the plunger of hollow form is provided in chamber, bolt is provided at main body oral area, pressure release support shaft is provided in plunger, check valve assembly is additionally provided in chamber, the bottom of main body is provided with the interface channel matched with check valve assembly, return spring is additionally provided in plunger, one end of return spring acts in pressure release support shaft, the other end of return spring acts on check valve assembly, check valve assembly is by valve seat, steel ball and bonnet composition, pawl block is provided on the lateral wall of plunger, the other end of pawl block is provided with ratchet spring, the other end of ratchet spring is provided with the lock matched with ratchet spring.The utility model has the advantages that adjust chain elasticity in time.
Description
Technical field
The utility model belongs to automobile engine accessory technical field, is related to a kind of stretcher, in particular to advises when a kind of
The stretcher of component.
Background technique
Stretcher is belt, common holding meanss on chain transmission system, its main feature is that belt, chain is kept to be driven
Tensile force appropriate can be possessed in the process, to avoid belt slippage, or synchronous belt is avoided to occur to jump tooth, take off tooth and haul out,
It either prevents chain-loose, fall off, mitigating sprocket wheel, chain wear, as industrial age constantly develops, the need of stretcher
Ask increasing, the stretcher type of commercial type is all kinds of, but there is also big and small problem, influence using.
For example the overhanging length of plunger can not adjust in time, be unable to ensure chain and be in suitable elasticity, long-term
Work in keep the abrasion of chain excessive, reduce the service life of chain, or even cause the accidental damage of stretcher, influence to be tensioned
The service life of device.
Summary of the invention
The purpose of this utility model is to provide one kind for the above-mentioned problems in the prior art and chain is effectively ensured
The stretcher of elasticity.
The purpose of this utility model can be realized by the following technical scheme: the stretcher of component, including master are advised when a kind of
Offer chamber in body and main body, the plunger of hollow form be provided in the chamber, be provided at the main body oral area with
The bolt that plunger matches, which is characterized in that be horizontally arranged with pressure release support shaft in the plunger, be additionally provided in the chamber
Check valve assembly, the bottom of the main body, which is located at the underface of check valve assembly, is provided with the company matched with check valve assembly
Road to be connected, is additionally provided with return spring in the plunger, one end of the return spring acts in pressure release support shaft, and
The other end of return spring acts on check valve assembly, and the check valve assembly is by valve seat, the steel ball being arranged on valve seat
It is formed with the bonnet matched with steel ball, is provided on the lateral wall of the plunger and is matched with plunger and prevent rebound
Pawl block, the other end of the pawl block are provided with the ratchet spring matched with pawl block, the ratchet spring it is another
One end is provided with the lock matched with ratchet spring.
When above-mentioned a kind of in the stretcher of rule component, it is provided with unidirectional valve gasket between the steel ball and valve seat,
One-way valve spring is provided between the steel ball and bonnet.
When above-mentioned a kind of in the stretcher of rule component, it is provided with a pair of of installation wing on the main body lateral wall, two
Mounting hole is provided on a installation wing.
Compared with prior art, the stretcher for component being advised when the utility model automobile engine is horizontally arranged with pressure release in plunger
Support shaft, is additionally provided with check valve assembly in chamber, and the bottom of main body is provided with the interface channel being connected with chamber, in plunger
It is additionally provided with return spring, the pawl block for matching with plunger and preventing rebound is provided on the lateral wall of plunger.It unloads
Bolt makes stretcher enter work, and the spring force that return spring generates stretches out plunger to outside main body, while pawl block and plunger
It being meshed, prevents plunger from bouncing back, it is ensured that the chain on stretcher is in suitable elasticity, after chamber indoor gross pressure decompression,
Pressure release support shaft can play the role of being effectively protected.
Detailed description of the invention
Schematic cross-sectional view in the stretcher of component is advised when Fig. 1 is the utility model automobile engine.
Partial cross-sectional structural diagram in the stretcher of component is advised when Fig. 2 is the utility model automobile engine.
In figure, 1, main body；2, chamber；3, plunger；4, pressure release support shaft；5, check valve assembly；6, bolt；7, connection is logical
Road；8, return spring；9, valve seat；10, steel ball；11, bonnet；12, pawl block；13, ratchet spring；14, it latches；15, check valve
Gasket；16, one-way valve spring；17, the wing is installed；18, mounting hole.
Specific embodiment
It is specific embodiment of the utility model and in conjunction with attached drawing below, the technical solution of the utility model is made further
Description, but the utility model is not limited to these examples.
As shown in Figure 1 and Figure 2, the stretcher for component being advised when the utility model automobile engine includes opening up in main body 1 and main body 1
There is chamber 2, the plunger 3 of hollow form is provided in chamber 2, the bolt 6 matched with plunger 3, plunger are provided at 1 oral area of main body
It is horizontally arranged with pressure release support shaft 4 in 3, check valve assembly 5 is additionally provided in chamber 2, the bottom of main body 1 is located at check valve assembly
It is provided with the interface channel 7 matched with check valve assembly 5 at 5 underface, is additionally provided with return spring 8, return in plunger 3
One end of spring 8 acts in pressure release support shaft 4, and the other end of return spring 8 acts on check valve assembly 5, unidirectional valve group
Part 5 is made of valve seat 9, the steel ball being arranged on valve seat 9 10 and the bonnet 11 matched with steel ball 10, on the lateral wall of plunger 3
It is provided with the pawl block 12 for matching with plunger 3 and preventing plunger 3 from springing back, the other end of pawl block 12 is provided with and pawl block 12
The ratchet spring 13 matched, the other end of ratchet spring 13 are provided with the lock 14 matched with ratchet spring 13.
This when rule component stretcher working principle: first bolt 6 is taken down, plunger 3 under the action of return spring 8 to
Outer stretching, while the machine oil in engine enters rear check valve assembly 5 in chamber 2 by interface channel 7 and check valve assembly 5 and makes
Chamber 2 seals, and the gross pressure that oil pressure and spring force generate makes plunger 3 move to suitable position, makes the chain on stretcher
It is in suitable elasticity, while the pawl block 12 on plunger 3 makes plunger 3 be fixed on suitable position plunger 3 is made not bounce back.
As preferred structure, unidirectional valve gasket 15, the steel ball 10 and bonnet 11 are provided between steel ball 10 and valve seat 9
Between be provided with one-way valve spring 16.It is provided with a pair of of installation wing 17 on 1 lateral wall of main body, is provided on two installation wings 17
Mounting hole 18.
The specific embodiments described herein are merely examples of the spirit of the present invention.The utility model institute
Belonging to those skilled in the art can make various modifications or additions to the described embodiments or using similar
Mode substitute, but without departing from the spirit of the present application or beyond the scope of the appended claims.
Although be used more herein main body 1, chamber 2, plunger 3, pressure release support shaft 4, check valve assembly 5, bolt 6,
Interface channel 7, return spring 8, valve seat 9, steel ball 10, bonnet 11, pawl block 12, ratchet spring 13, lock 14, unidirectional valve gasket
15, the terms such as one-way valve spring 16, the installation wing 17, mounting hole 18, but it does not exclude the possibility of using other terms.Use this
A little terms are used for the purpose of being more convenient to describe and explain the essence of the utility model；It is construed as any additional
Limitation is all contrary to the spirit of the present invention.
Claims (3)
1. advising the stretcher of component when a kind of, including offered chamber (2) in main body (1) and main body (1), the chamber (2)
It is inside provided with the plunger (3) of hollow form, the bolt (6) matched with plunger (3) is provided at the main body (1) oral area,
It is characterized in that, is horizontally arranged with pressure release support shaft (4) in the plunger (3), be additionally provided with check valve assembly in the chamber (2)
(5), the bottom of the main body (1) is located to be provided at the underface of check valve assembly (5) and match with check valve assembly (5)
Interface channel (7), the plunger (3) is interior to be additionally provided with return spring (8), and one end of the return spring (8) acts on
In pressure release support shaft (4), and the other end of return spring (8) acts on check valve assembly (5), the check valve assembly
(5) it is made of valve seat (9), the steel ball (10) being arranged on valve seat (9) and the bonnet (11) matched with steel ball (10), the column
Fill in the pawl block (12) for being provided on the lateral wall of (3) and matching with plunger (3) and preventing plunger (3) from springing back, the pawl
The other end of block (12) is provided with the ratchet spring (13) matched with pawl block (12), the ratchet spring (13) it is another
End is provided with the lock (14) matched with ratchet spring (13).
2. advising the stretcher of component when according to claim 1 a kind of, which is characterized in that the steel ball (10) and valve seat
(9) it is provided between unidirectional valve gasket (15), one-way valve spring (16) is provided between the steel ball (10) and bonnet (11).
3. advising the stretcher of component when according to claim 1 a kind of, which is characterized in that described main body (1) lateral wall
On be provided with a pair of of installation wing (17), be provided with mounting hole (18) on two installation wings (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917973.5U CN208295060U (en) | 2018-06-13 | 2018-06-13 | The stretcher of component is advised when a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820917973.5U CN208295060U (en) | 2018-06-13 | 2018-06-13 | The stretcher of component is advised when a kind of |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208295060U true CN208295060U (en) | 2018-12-28 |
Family
ID=64702132
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820917973.5U Active CN208295060U (en) | 2018-06-13 | 2018-06-13 | The stretcher of component is advised when a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208295060U (en) |
-
2018
- 2018-06-13 CN CN201820917973.5U patent/CN208295060U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |