CN214533241U - Valve collet protector, engine and equipment - Google Patents
Valve collet protector, engine and equipment Download PDFInfo
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- CN214533241U CN214533241U CN202022814211.2U CN202022814211U CN214533241U CN 214533241 U CN214533241 U CN 214533241U CN 202022814211 U CN202022814211 U CN 202022814211U CN 214533241 U CN214533241 U CN 214533241U
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- collet
- spring seat
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Abstract
The utility model provides a valve collet protector, engine and equipment, wherein, valve collet protector includes: valve, valve spring holder and two valve collet bodies, two valve collet body symmetries are located the valve with between the valve spring holder, the inside wall of valve spring holder has the recess, and valve collet protector still includes: the elastic check ring is located in the groove and abuts against the valve lock clamp body. The utility model provides a valve collet protector, engine and equipment have solved the problem that current well valve collet drops easily.
Description
Technical Field
The utility model relates to the technical field of engines, especially, relate to a valve collet protector, engine and equipment.
Background
The valve collet, also called valve protector, is two curved section bushings, its function is to connect valve and valve spring seat, and fix the valve spring seat on the valve, in order to transmit the force and movement required when the valve opens and closes, wherein, the pressure equipment and dismantlement of the valve collet are an important step in the engine assembly process, in the course of assembling the valve collet, need compress the valve spring seat at first, press the valve collet into the recess of the valve afterbody at the same time, in order to fix the valve spring seat, in addition, when dismantling the valve collet, exert the downward pressure to the valve spring seat, make the valve spring seat move downward, so as to release the packing force that the valve collet received, thus finish the dismantlement of the engine valve collet.
However, with the continuous operation of the engine and the continuous enhancement of the performance of the engine, the valve collet is easy to wear and even fall off, so that the engine generates abnormal sound, the valve falls off and breaks and other faults, and the wear of the valve collet is often reduced by controlling the design key fit size of the valve collet and the valve in the prior art.
However, valve bending, friction and eccentric wear between the valve and the valve guide, etc. also cause wear and tear of the valve collet.
SUMMERY OF THE UTILITY MODEL
The utility model provides a valve collet protector, an engine and equipment, the utility model provides a valve collet protector, through set up the annular groove at the inside wall of valve spring holder, place the circlip in this annular groove, and the circlip is supported on the valve collet body, when with the continuous intensification of engine performance and the promotion of explosion pressure, the collet receives the impact force increase, easy wearing and tearing drop off, higher explosion pressure simultaneously, to the valve impact force grow, easily lead to the valve bending, the valve pipe breaks off the grade etc. trouble, can also make the collet receive very big impact force equally, thereby produce wearing and tearing and drop, wherein, after the valve collet drops off, the valve can fall into the cylinder liner and strike the piston, cause serious engine trouble, therefore, can play the effect of stopping the valve collet to drop through setting up the circlip, and then solved the problem that current well valve collet drops easily.
In a first aspect, the utility model provides a valve collet protector, include: the valve locking clamp comprises a valve, a valve spring seat and two valve locking clamp bodies, wherein the two valve locking clamp bodies are symmetrically positioned between the valve and the valve spring seat, and the inner side wall of the valve spring seat is provided with a groove;
further comprising: the elastic check ring is located in the groove and abuts against the valve lock clamp body.
In an alternative implementation, the groove is an annular structure arranged along the circumferential direction of the inner side wall of the valve spring seat;
or the groove is one or more arc-shaped sections arranged at intervals along the circumferential direction of the inner side wall of the valve spring seat.
In an alternative implementation, the circlip is an annular circlip located in the annular groove, or,
the elastic retainer rings are a plurality of arc-shaped retainer rings positioned in the annular groove, and the arc-shaped retainer rings and the valve collet body are at least partially overlapped in the axial direction of the valve.
In an alternative implementation, the top end of the groove is not higher than the top end surface of the valve spring seat.
In an alternative implementation manner, the outer wall of the valve opposite to the valve collet body is provided with a clamping groove for the two valve collets to be embedded in.
In an optional implementation manner, the two valve collet bodies are provided with three annular bosses protruding outwards, and the annular bosses are adapted to clamping grooves formed in the valves.
In an alternative implementation, the valve spring seat is a seat made of a rigid material.
In an optional implementation manner, the method further includes: the valve spring is in contact with the bottom end of the valve spring seat and used for exerting reaction tension on the valve spring seat so as to compress the valve spring seat and the valve locking clamp.
In a second aspect, the present invention provides an engine comprising a valve collet guard as described in any of the above.
In a third aspect, the present invention provides an apparatus comprising an engine as described above.
The utility model provides a valve collet protector, engine and equipment, wherein, the valve collet protector includes valve, valve spring seat and two valve collet bodies, the two valve collet bodies are symmetrically located between the valve and the valve spring seat, the inside wall of the valve spring seat has a groove;
further comprising: the elastic check ring is located in the groove and abuts against the valve lock clamp body.
Compared with the prior art, the problem that the valve collet is abraded and even falls off is often reduced by controlling the design key fit size of the valve collet and the valve, however, when the valve is bent or friction or eccentric wear occurs between the valve and a valve guide pipe, the valve collet is abraded and even falls off. Therefore, the application provides a valve collet protective device, an engine and equipment, wherein, an annular groove is arranged on the inner side wall of a valve spring seat, an annular retainer ring is arranged in the annular groove, and the annular retainer ring is abutted against the valve lock clamp body, when the performance of the engine is continuously strengthened and the explosion pressure is increased, the lock clamp is subjected to impact force increase, is easy to wear and fall off and has higher explosion pressure, the lock clamp can be subjected to great impact force to cause abrasion and falling off when the impact force on the valve is increased, the faults such as valve bending, valve guide eccentric wear and the like are easily caused, wherein, when the valve lock clamp falls off, the valve falls into the cylinder sleeve and impacts the piston to cause serious engine failure, therefore, the elastic retainer ring can play a role in blocking the valve collet from falling off, and the problem that the valve collet easily falls off in the prior art is solved.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
Fig. 1 is a schematic structural view of a valve collet protector according to an embodiment of the present invention;
fig. 2 is a schematic structural view of another valve collet guard provided in an embodiment of the present invention;
fig. 3 is a schematic structural view of another valve collet guard according to an embodiment of the present invention;
fig. 4 is a schematic structural view of the valve collet protective device and the valve spring provided by the embodiment of the present invention.
Description of reference numerals:
10-valve;
11-a card slot;
20-a valve spring seat;
21-a groove;
30-a valve collet body;
31-annular boss;
40-elastic retainer ring;
50-valve spring.
Detailed Description
In the assembly process of the existing engine, the press fitting and the disassembly of a valve collet are important steps, wherein when the valve collet is assembled, a valve spring seat is firstly compressed, the valve spring seat moves downwards under the acting force of a valve spring, meanwhile, the valve collet is pressed into a groove at the tail part of a valve, and the valve spring is restored to the original position, so that the valve spring seat is fixed.
The valve collet is continuously subjected to impact force generated by the working of the engine along with the continuous operation of the engine and the continuous strengthening of the performance of the engine, and under the action of the impact force, the valve is easy to bend, the valve guide pipe is eccentric and worn, and the collet is also subjected to great impact force, so that the valve is worn and falls off, wherein after the valve collet falls off, the valve falls into the cylinder sleeve and impacts the piston, the engine is further caused to generate abnormal sound, and the valve falls off and breaks.
In some implementations, the problem of wear and even falling off of the valve collet is often reduced by controlling the design critical fit dimension of the valve collet and the valve, however, when the valve bends or friction or eccentric wear occurs between the valve and the valve guide, the wear and even falling off of the valve collet can also result.
In order to solve the technical problem, the utility model provides a valve collet protector, engine and equipment, wherein, valve collet protector includes: the valve locking clamp comprises a valve, a valve spring seat and two valve locking clamp bodies, wherein the two valve locking clamp bodies are symmetrically positioned between the valve and the valve spring seat, and a groove is formed in the inner side wall of the valve spring seat.
Further comprising: the elastic check ring is positioned in the groove and abuts against the valve lock clamp body.
Like this when the valve collet appears wearing and tearing even the valve collet drops, can play the effect that blocks the valve collet and drop through setting up circlip, and then solved the problem that current well valve collet drops easily.
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Example one
Fig. 1 is the embodiment of the utility model provides a valve collet protector's that provides structural schematic diagram, fig. 2 is the utility model provides another kind of valve collet protector's that embodiment provides structural schematic diagram, fig. 3 is the utility model provides a further valve collet protector's that provides structural schematic diagram, fig. 4 is the utility model provides a valve collet protector and valve spring's that embodiment provides a structural schematic diagram.
As shown in fig. 1 and 2, the present embodiment provides a valve collet protective device, which may include a valve 10, a valve spring seat 20, and two valve collet bodies 30, as shown in fig. 1, the two valve collet bodies 30 are symmetrically located between the valve 10 and the valve spring seat 20, and connect the valve 10 and the valve spring seat 20, and an inner side wall of the valve spring seat 20 has a groove 21.
Wherein, in this embodiment, still include circlip 40, circlip 40 is located recess 21, and circlip 40 supports on valve collet body 30, like this through set up recess 21 on the inside wall at valve spring seat 20, and place circlip 40 in recess 21, when the valve collet is constantly receiving impact, the valve collet wears gradually, deviate from even between valve 10 and the valve spring seat 20, at this moment through setting up circlip 40, and support circlip 40 on valve collet body 30, can play the effect of blockking that valve collet body 30 deviates from between valve 10 and the valve spring seat 20, and avoided leading to the engine to produce the abnormal sound because of the valve collet drops, the valve drops scheduling problem that splits.
In this embodiment, the opening depth of the groove 21 is not further limited in this embodiment, because the opening depth of the groove 21 can be specifically set according to different types of valves 10 and valve spring seats 20, and it belongs to the protection scope of this application as long as the valve collet body 30 is prevented from coming off from between the valve 10 and the valve spring seat 20 by its own structure.
Wherein, in this embodiment, through setting up the retaining ring into elasticity, elastic material's elasticity is good, can guarantee the elasticity of retaining ring to through elastic transition between retaining ring and the valve collet, can not lead to the fish tail of valve collet like this in the use, and then improve the life of valve collet.
In addition, the check ring is made of rigid materials, so that the problem that the check ring is damaged due to overlarge impact force can be avoided by arranging the check ring made of rigid materials along with the continuous improvement of the running temperature of the engine and the continuous increase of the impact force in the running process of the engine, and the safety and the stability of the device are improved.
In addition, do not further limit to the size of circlip 40 yet, as long as can block the valve collet to drop can, through propping circlip 40 on valve collet body 30 simultaneously, circlip 40 and the shape looks adaptation of valve collet are favorable to improving the stability of device like this when the assembly to reduce the wearing and tearing of valve collet.
Therefore, the valve collet protective device provided by the embodiment includes the valve 10, the valve spring seat 20 and the two valve collet bodies 30, the two valve collet bodies 30 are symmetrically located between the valve 10 and the valve spring seat 20, the inner side wall of the valve spring seat 20 is provided with the groove 21, the valve collet protective device further includes the elastic retainer ring 40, the elastic retainer ring 40 is located in the groove 21, and the elastic retainer ring 40 abuts against the valve collet body 30.
Compared with the prior art, the problem that the valve collet is abraded and even falls off is often reduced by controlling the design key matching size of the valve collet and the valve 10, however, when the valve is bent or friction or eccentric wear occurs between the valve and a valve guide pipe, the abrasion and even the fall off of the valve collet can also be caused. Therefore, the present application provides a valve collet protection device, by forming a groove 21 on the inner side wall of a valve spring seat 20, placing a circlip 40 in the groove 21, and the circlip 40 abuts against a valve collet body 30, when the collet is subjected to an impact force which increases with the continuous strengthening of the engine performance and the rising of an explosion pressure, the collet is easily worn and falls off, and simultaneously, a higher explosion pressure increases the impact force on a valve 10, which easily causes the bending of the valve 10, and the eccentric wear of a valve 10 conduit and other failures, the collet is also subjected to a great impact force, thereby causing wear and falling off, wherein, when the valve collet falls off, the valve 10 falls into a cylinder sleeve and impacts a piston, which causes a serious engine failure, at this time, by arranging the circlip 40 and abutting the circlip 40 against the valve collet body 30, the valve collet body 30 can be prevented from falling out from between the valve 10 and the valve spring seat 20, avoided because of the valve collet drops and lead to the engine to produce the abnormal sound, the valve fracture scheduling problem that drops, consequently, the utility model provides a valve collet protector, engine and equipment have solved the problem that current well valve collet drops easily.
In a mode that probably realizes, recess 21 can be for the annular structure that the circumference of the inside wall along valve spring seat 20 set up, and recess 21 sets up the round along the circumference of the inside wall of valve spring seat 20 promptly, sets up recess 21 like this and is the annular structure to place circlip 40 in the annular groove, can the omnidirectional stop the valve collet, and then avoid the problem that the valve collet drops.
Of course, in another possible implementation manner, the groove 21 may further include a plurality of arc-shaped segments arranged at intervals, wherein the plurality of arc-shaped segments are arranged around the inner side wall of the valve spring seat 20, and the plurality of arc-shaped segments are arranged along the circumferential direction of the inner side wall of the valve spring seat 20, so that the elastic retainer rings 40 are placed in the plurality of arc-shaped segment grooves 21, and the valve collet can be blocked similarly, and the problem that the valve collet falls off is avoided.
In this embodiment, the number of the arc segments is not further limited, and may be set according to specific requirements.
In a possible implementation manner, the elastic retainer ring 40 may be an annular elastic retainer ring located in an annular groove, so that when the groove 21 is set to be an annular structure arranged along the circumferential direction of the inner side wall of the valve spring seat 20, the annular elastic retainer ring 40 is in an annular shape, and the annular elastic retainer ring 40 is matched with the annular groove 21 in shape, so that during assembly, the stability of the device is improved, and the abrasion of the valve locking clamp is reduced.
Of course, in another possible implementation, the circlip 40 may also be a plurality of arc segment circlips located in the annular groove 21, wherein the plurality of arc segment circlips are located in the annular groove 21 and the plurality of arc segment circlips are arranged along the annular groove 21.
In the present embodiment, as shown in fig. 1, the elastic retainer ring 40 and the valve collet body 30 are at least partially overlapped in the axial direction of the valve 10, so that the elastic retainer ring 40 can be ensured to contact with the valve collet body 30 during assembly, and the problem of falling off of the valve collet is avoided.
In this embodiment, the overlapping area between the circlip 40 and the valve collet body 30 in the axial direction of the valve 10 is not specifically limited, and the present application is within the protection scope as long as the valve collet can be prevented from coming off.
In one possible implementation, as shown in fig. 2, the top end of the recess 21 is not higher than the top end surface of the valve spring seat 20.
Through the top that sets up recess 21 being less than the top terminal surface of valve spring seat 20, can avoid on the one hand the too big problem that leads to the valve collet to deviate from easily of distance between recess 21 and the valve collet, on the other hand places circlip 40 in recess 21, can ensure that circlip 40 and valve collet body 30 contact, and then blocks that valve collet body 30 deviates from between valve 10 and the valve spring seat 20.
Further, in order to facilitate the connection between the valve collet and the valve spring seat 20, in one possible implementation, as shown in fig. 3, the outer wall of the valve 10 opposite to the valve collet body 30 is provided with a clamping groove 11 for the two valve 10 to be inserted into.
The clamping grooves 11 for the two valve collet bodies 30 to be embedded are formed in the outer wall of the valve 10, so that the valve collet bodies 30 are clamped into the clamping grooves 11 during assembly, the valve collet bodies 30 are connected with the valve spring seat 20 in a clamping mode, and the stability of the device is improved.
In a possible implementation manner, two valve collet bodies 30 may have three outwardly protruding annular bosses 31, where the annular bosses 31 are adapted to fit with the slots 11 formed on the valve 10.
As shown in fig. 3, in this embodiment, three annular bosses 31 may be provided, two annular bosses 31 may be provided, and a plurality of annular bosses 31 may also be provided, or the number of annular bosses 31 may also be set according to actual needs, which is not specifically limited in this embodiment.
In this embodiment, the upper end surface of the annular boss 31 may be flush with the upper end surface of the valve collet body 30, and the lower section of the annular boss 31 may be flush with the lower section of the valve collet body 30, so that the problems of carbon deposition and dust deposition between the valve collet body 30 and the valve 10 may be avoided on the one hand, and on the other hand, the structural strength of the valve collet body 30 may also be increased.
In one possible implementation, the valve spring seat 20 is a seat made of a rigid material, which helps to avoid the problem that the valve 10 is not sealed due to the bounce of the valve when the engine vibrates.
In a possible implementation manner, as shown in fig. 4, the valve spring 50 is further included, the valve spring 50 is in contact with the bottom end of the valve spring seat 20, so that when the valve collet is assembled, the valve spring seat 20 is firstly compressed, the valve spring seat 20 moves downward when being squeezed, meanwhile, the valve collet is pressed into a clamping groove 11 formed in the valve 10, the valve spring 50 applies a reaction tension to the valve spring seat 20, so as to fix the valve spring seat 20 and the valve collet body 30, and in addition, when the valve collet is disassembled, a downward pressure is applied to the valve spring seat 20, so that the valve spring seat 20 moves downward, so as to release a pressing force applied to the valve collet, thereby completing the disassembly of the engine valve collet.
Example two
The second embodiment provides an engine, which comprises a valve collet protection device, and the engine can lock the valve 10 and the valve spring seat 20 through the valve collet protection device, so as to prevent the valve collet from falling off and the valve spring seat 20 from bouncing, and further ensure the normal operation of the engine.
The valve collet guard in this embodiment has the same structure as the valve collet guard provided in the first embodiment, and can bring about the same or similar technical effects, and details are not repeated here, and specific reference may be made to the description of the above embodiments.
EXAMPLE III
The third embodiment further provides a device comprising an engine.
In this embodiment, the device may be a vehicle, such as an automobile, and the device may also be a train, a motor car, an airplane, or the like.
In the description of the present invention, it is to be understood that the terms "top," "bottom," "upper," "lower" (if present), and the like, are used in the orientation or positional relationship shown in the drawings for convenience in describing the present invention and to simplify the description, and are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be construed as limiting the present invention.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.
The terms "first" and "second" in the description and claims of the present application and the description of the above-described figures are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the application described herein are, for example, capable of operation in sequences other than those illustrated or otherwise described herein.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (10)
1. A valve collet guard, comprising: the valve locking clamp comprises a valve, a valve spring seat and two valve locking clamp bodies, wherein the two valve locking clamp bodies are symmetrically positioned between the valve and the valve spring seat, and the inner side wall of the valve spring seat is provided with a groove;
further comprising: the elastic check ring is located in the groove and abuts against the valve lock clamp body.
2. The valve collet guard of claim 1 wherein the groove is an annular structure disposed circumferentially along an inner sidewall of the valve spring seat;
or the groove is one or more arc-shaped sections arranged at intervals along the circumferential direction of the inner side wall of the valve spring seat.
3. A valve lock clamp guard according to claim 2, wherein the circlip is an annular circlip located in the groove, or,
the elastic retainer rings are a plurality of arc-shaped retainer rings positioned in the grooves, and the arc-shaped retainer rings and the valve collet body are at least partially overlapped in the axial direction of the valve.
4. A valve collet guard according to any one of claims 1 to 3 wherein the top of the recess is no higher than the top end face of the valve spring seat.
5. A valve collet guard according to any of claims 1 to 3 wherein the outer wall of the valve opposite the body of the valve collet has a slot into which the two valve collets fit.
6. A valve collet guard according to any of claims 1 to 3 wherein the two valve collet bodies have three outwardly projecting annular bosses adapted to engage with slots provided in the valve.
7. A valve collet guard according to any of claims 1 to 3 wherein the valve spring seat is a seat of rigid material.
8. A valve lock clamp guard according to any one of claims 1 to 3, further comprising: the valve spring is in contact with the bottom end of the valve spring seat and used for exerting reaction tension on the valve spring seat so as to tightly press the valve spring seat and the valve locking clamp.
9. An engine comprising a valve lock clamp guard according to any one of claims 1 to 8.
10. An apparatus comprising the engine of claim 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814211.2U CN214533241U (en) | 2020-11-27 | 2020-11-27 | Valve collet protector, engine and equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022814211.2U CN214533241U (en) | 2020-11-27 | 2020-11-27 | Valve collet protector, engine and equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214533241U true CN214533241U (en) | 2021-10-29 |
Family
ID=78288651
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022814211.2U Active CN214533241U (en) | 2020-11-27 | 2020-11-27 | Valve collet protector, engine and equipment |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214533241U (en) |
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2020
- 2020-11-27 CN CN202022814211.2U patent/CN214533241U/en active Active
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