Engine valve dismounting and mounting tool

Abstract

The utility model belongs to the technical field of engine valve mounting, and provides an engine valve dismounting and mounting tool which comprises a lead screw. The connecting seat is fixedly connected to the top of the screw rod; the dismounting and mounting assembly comprises a threaded rod rotationally connected to the connecting base, the threaded rod is sleeved with a first sleeve, the first sleeve is provided with a downward pressing component, the downward pressing component comprises a lantern ring and a U-shaped base, the lantern ring is rotationally connected to the first sleeve, and the lantern ring is rotationally connected with a base; by rotating the first sleeve, the first sleeve moves on the threaded rod, the length can be adjusted, the lantern ring is rotated, the positions of the two downward pressing components on the first sleeve can be adjusted, the two downward pressing components correspond to the two valve springs, the two valve springs are compressed, and therefore the valve can be conveniently mounted or dismounted. The valve spring compression device can adapt to valve springs of different engines through simple adjustment and act on the two valve springs at the same time, rapid and accurate compression is achieved, and the working efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to engine valve installation technical field, concretely is a kind of engine valve dismounting and installing tool. BACKGROUND

[0002] In armored equipment, armored equipment needs to carry out engine valve replacement and engine maintenance and other work, and maintenance detachment needs to replace or check engine valve before and after engine repair, and this work generally needs 3-4 people to complete by using different tools to cooperate with each other, leading to long maintenance time and low efficiency, when armored equipment valve special dismounting tool needs to be used, for armored vehicle engine valve maintenance and dismounting, it is crucial to ensure the normal operation and maintenance of armored vehicle engine, ensure that engine performance reaches the best state, improve maintenance efficiency and quality.

[0003] However, armored equipment valve special dismounting tool in reality, by adjusting the position of lead screw and nut, engine valve spring is compressed to facilitate the installation or dismounting of valve, in the operation process, different models of engine may need to be adjusted frequently, operation is tedious, and valve spring needs to be compressed in turn, work efficiency is low, and existing armored equipment valve special dismounting tool, if tool is unstable or improperly operated during the compression of engine valve spring, spring may pop out and injure people.

[0004] Therefore, the person skilled in the art proposes an engine valve dismounting and installing tool to solve the problems in the background art.

[0005] The above information disclosed in the background art is only used to increase the understanding of the background art of the utility model, therefore, it can include prior art known by those skilled in the art. CONTENT OF UTILITY MODEL

[0006] To solve the above technical problems, the utility model provides an engine valve dismounting and installing tool to solve the problems in the prior art, such as frequent adjustment of different models of engine in the operation process, compression of valve spring in turn and unstable connection of tool on engine or improper operation.

[0007] In order to achieve the above object, the utility model provides a kind of engine valve dismounting and mounting tool, including screw rod;Connecting seat, the connecting seat is fixedly connected at screw rod top;Dismounting and mounting component, the dismounting and mounting component includes screw rod rotationally connected on connecting seat, first sleeve is set on the screw rod, lower pressure component is arranged on the first sleeve, the lower pressure component includes collar, U-shaped seat, the collar is rotationally connected on first sleeve, base is rotationally connected on the collar, the U-shaped seat is set on engine valve spring;Stable component, the stable component includes the triangular plate of fixedly connected at the bottom of the screw rod, the triangular plate covers engine smoke outlet.

[0008] Preferably, a spiral groove is formed in the inner wall of the first sleeve, and the threaded rod is threadedly connected in the spiral groove.

[0009] Preferably, a fixed rod is fixedly connected to the bottom of the base, a second sleeve is threadedly connected to the fixed rod, and a circular groove is formed in the U-shaped seat.

[0010] Preferably, the second sleeve is rotationally connected between the end of the second sleeve and the top of the U-shaped seat, and the collar, the base, the connecting rod, the second sleeve, the U-shaped seat and the circular groove are all provided with two and symmetrically arranged.

[0011] Preferably, a bolt is provided at each end of the triangular plate, and a nut is threadedly connected to the bolt.

[0012] Preferably, the ends of the bolts are arranged at the edge of the engine smoke outlet.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] 1、The utility model discloses a first sleeve is moved on screw rod by rotating first sleeve, so that the length is adjustable, and two lower pressure components can be adjusted in position on first sleeve by rotating collar, corresponding two valve springs, two valve springs are compressed, so as to install or dismount valve, through simple adjustment, it can adapt to the valve spring of different engine, and simultaneously act on two valve springs, realize fast and accurate compression, greatly improve work efficiency.

[0015] 2、The utility model discloses that triangular plate is moved on multiple bolts by rotating multiple nuts, so that the triangular plate can be closely attached to the side of engine, and the smoke outlet is completely covered, and the overall stability of the tool when compressing valve spring can be improved, so that the spring does not pop out accidentally during compression, and the phenomenon that the spring pops out and hurts people is prevented.

[0016] The above summary is intended to illustrate the present application and is not intended to be limiting thereof. Further aspects, embodiments and features of the present application will become apparent from the detailed description provided herein below in conjunction with the accompanying drawings and figures. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 Fig. 1 is a schematic diagram of the overall structure of an engine valve dismounting and mounting tool according to an embodiment of the present application;

[0018] Figure 2 Fig. 2 is a sectional view of the engine valve dismounting and mounting tool according to an embodiment of the present application;

[0019] Figure 3 Fig. 3 is a schematic diagram of a lower pressing member of the engine valve dismounting and mounting tool according to an embodiment of the present application;

[0020] Figure 4 Fig. 4 is a schematic diagram of the structure of the lower pressing member of the engine valve dismounting and mounting tool according to an embodiment of the present application; Figure 2 Fig. 5 is a schematic diagram of the structure of the lower pressing member of the engine valve dismounting and mounting tool according to an embodiment of the present application;

[0021] Fig. 6 is a schematic diagram of the structure of the lower pressing member of the engine valve dismounting and mounting tool according to an embodiment of the present application;

[0022] 1, screw rod;

[0023] 2, connecting seat;

[0024] 3, dismounting and mounting assembly; 31, threaded rod; 32, first sleeve; 33, helical groove; 34, lower pressing member; 341, sleeve ring; 342, base; 343, connecting rod; 344, second sleeve; 345, U-shaped seat; 346, circular groove;

[0025] 4, stabilizing assembly; 41, triangular plate; 42, bolt; 43, nut. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the present application will be apparently and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. It should be pointed out that the drawings are schematic and not drawn in proportion. The relative sizes and proportions of the parts shown in the drawings are exaggerated or reduced for clarity and convenience in the drawings, and any size is only exemplary, rather than limiting.

[0027] Embodiment one:

[0028] Please refer to Figure 1 - Figure 4As shown in the figure, an engine valve dismounting and mounting tool comprises a screw rod 1, a connecting seat 2 fixedly connected at the top of the screw rod 1, the screw rod 1 being used to provide support force for the connecting seat 2, and the connecting seat 2 being used to receive a dismounting and mounting assembly 3;

[0029] The dismounting and mounting assembly 3 comprises a threaded rod 31 rotatably connected to the connecting seat 2, a first sleeve 32 sleeved on the threaded rod 31, a pressing member 34 provided on the first sleeve 32, the pressing member 34 comprising a sleeve ring 341 and a U-shaped seat 345, the sleeve ring 341 being rotatably connected to the first sleeve 32, a base 342 rotatably connected to the sleeve ring 341, the U-shaped seat 345 being sleeved on an engine valve spring, the threaded rod 31 being used to receive the first sleeve 32, the first sleeve 32 being used to receive the pressing member 34, the sleeve ring 341 being rotatable to drive the pressing member 34 to move, and the U-shaped seat 345 being used to compress the engine valve spring, the base 342 being used to receive the pressing member 34.

[0030] Specifically, please refer to Figure 2 As shown in the figure, a helical groove 33 is formed on the inner side wall of the first sleeve 32, the threaded rod 31 is threadedly connected in the helical groove 33, the first sleeve 32 can move on the threaded rod 31 through the helical groove 33, and the size of the opening of the first sleeve 32 is matched with the size of the threaded rod 31.

[0031] Further, please refer to Figure 3 As shown in the figure, a fixed rod is fixedly connected at the bottom of the base 342, a second sleeve 344 is threadedly connected on the fixed rod, a circular groove 346 is formed on the U-shaped seat 345, the fixed rod is used to receive the second sleeve 344, the second sleeve 344 can move on the fixed rod by rotating, the valve spring passes through the circular groove 346, and the opening of the circular groove 346 is larger than the size of the valve spring.

[0032] Further, please refer to Figure 3 As shown in the figure, the second sleeve 344 is rotatably connected between the end portion and the top portion of the U-shaped seat 345, the sleeve ring 341, the base 342, the connecting rod 343, the second sleeve 344, the U-shaped seat 345 and the circular groove 346 are all provided with two and symmetrically arranged, and two valve springs can be compressed at the same time.

[0033] As can be seen, when the engine valve spring needs to be compressed for the installation or removal of the valve, the first sleeve 32 is rotated, the first sleeve 32 moves on the threaded rod 31 under the guidance of the spiral groove 33 formed on the inner wall of the first sleeve 32, so as to realize the adjustable length, and the two sleeve rings 341 are rotated respectively, the two sleeve rings 341 are adjusted in position on the first sleeve 32, because the base 342 is rotationally connected with the sleeve ring 341, so under the gravity of the pressing member 34, the connecting rod 343, the second sleeve 344 and the U-shaped seat 345 are always in a vertical state, the two U-shaped seats 345 are aligned with the two valve springs respectively, and the second sleeve 344 drives the U-shaped seat 345 to be adjusted up and down by rotating the second sleeve ring 341, so as to adapt to the different positions of the two valve springs, the first sleeve 32 is manually pressed to drive the threaded rod 31 to rotate on the connecting seat 2, and the two valve springs are compressed for the installation or removal of the valve, which can adapt to the valve springs of different engines through simple adjustment, and simultaneously acts on the two valve springs, realizes rapid and accurate compression, and greatly improves the work efficiency.

[0034] Embodiment two:

[0035] Please refer to Figure 4 The embodiment is basically the same as the previous embodiment, and the difference lies in that the stabilizing assembly 4 comprises a triangular plate 41 fixedly connected at the bottom of the screw rod 1, the triangular plate 41 covers the engine exhaust port, and the triangular plate 41 has good stability and is used to drive the whole to be installed on the engine.

[0036] Specifically, please refer to Figure 4 The ends of the triangular plate 41 are provided with bolts 42, the bolts 42 are threadedly connected with nuts 43, the bolts 42 are used to position the position of the whole tool to prevent deviation, and the nuts 43 are used to drive the triangular plate 41 to tightly fit on the engine exhaust port.

[0037] Further, please refer to Figure 4 The ends of the triangular plate 41 are provided with bolts 42, the bolts 42 are threadedly connected with nuts 43, the bolts 42 are used to position the position of the whole tool to prevent deviation, and the nuts 43 are used to drive the triangular plate 41 to tightly fit on the engine exhaust port.

[0038] As can be seen, the plurality of nuts 43 moves on the bolts 42 and extrudes the triangular plate 41, which drives the triangular plate 41 to move on the plurality of bolts 42, so that the triangular plate 41 can tightly fit on the side of the engine and completely cover the exhaust port, and the triangular structure can improve the overall stability of the tool when compressing the valve spring, so as to ensure that the spring will not be accidentally ejected during the compression process, and prevent the phenomenon of spring ejection.

[0039] The standard parts used in the utility model can be purchased from the market, the special-shaped parts can be ordered according to the description and the drawings, the specific connection mode of each part adopts the conventional means such as bolt, rivet and welding in the prior art, the mechanical, part and equipment adopt the conventional type in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, and the details are not described herein. The contents not described in detail in the description all belong to the prior art known by the person skilled in the art.

[0040] In the description of the utility model, the terms "first", "second" are only used for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of indicated technical features. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. The meaning of "a plurality of" is two or more than two, unless otherwise specifically limited.

[0041] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0042] In the utility model, unless otherwise specifically defined and limited, the first feature is "on" or "under" the second feature. The first and second features can be in direct contact, or the first and second features can be in indirect contact through an intermediate medium. Moreover, the first feature "above", "above" and "above" the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0043] In the description of the present specification, the description of the terms "one embodiment", "some embodiments", "an example", "a specific example" or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0044] The present application discloses the embodiments in the drawings, only relate to the structure involved in the embodiments of the present application, other structures can refer to the usual design, in the case of no conflict, the same embodiment and different embodiments of the present application can be combined with each other.

[0045] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacements to some of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. An engine valve removal and installation tool characterized by: The utility model relates to a kind of engine valve spring disassembling and assembling device, including, Screw rod (1); Connecting seat (2) is fixedly connected at the top of screw rod (1); Disassembling and assembling component (3) includes threaded rod (31) rotatably connected on connecting seat (2), threaded rod (31) is sleeved with first sleeve (32), first sleeve (32) is provided with pressing member (34), pressing member (34) includes sleeve ring (341), U-shaped seat (345), sleeve ring (341) is rotatably connected on first sleeve (32), base (342) is rotatably connected on sleeve ring (341), U-shaped seat (345) is sleeved on engine valve spring; Stable component (4) includes triangular plate (41) fixedly connected at the bottom of the screw rod (1), and the triangular plate (41) covers engine exhaust port.

2. The engine valve dismounting and mounting tool according to claim 1, characterized in that: Spiral groove (33) is formed in the inner wall of the first sleeve (32), and the threaded rod (31) is threadedly connected in the spiral groove (33).

3. The engine valve installation and removal tool of claim 2, wherein: Base (342) is fixedly connected with fixed rod at the bottom, second sleeve (344) is threadedly connected on the fixed rod, and circular groove (346) is formed in the U-shaped seat (345).

4. The engine valve installation and removal tool of claim 3, wherein: The second sleeve (344) is rotatably connected between the end and the top of the U-shaped seat (345), and the sleeve ring (341), the base (342), the connecting rod (343), the second sleeve (344), the U-shaped seat (345) and the circular groove (346) are provided with two and symmetrically arranged.

5. The engine valve installation and removal tool of claim 4 wherein: Screw (42) is penetrated in each end of the triangular plate (41), and nut (43) is threadedly connected on the screw (42).

6. The engine valve installation and removal tool of claim 5 wherein: The end of the screw (42) is arranged at the edge of the engine exhaust port.

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